Method and apparatus for facilitating shale shaker operation

(12) PATENT

<img file="NO341908B1_D0001.tif" />

(11) 341908 (13) B1 (19) NO

NORWAY (51) IntCI.

B01D33 / 03 (2006.01)

NIPO

<td> (21)</td><td>Appln</td><td> 20081667</td><td> (86)</td><td>Entrance date and application no</td><td>2006.10.17 PCT / GB2006 / 050331</td>

<td> (22)</td><td>Inng.dag</td><td> 2008.04.04</td><td> (85)</td><td>Videreføringsdag</td><td> 2008.04.04</td>

<td> (24)</td><td>Løpedag</td><td> 2006.10.17</td><td> (30)</td><td>Priority</td><td>2005.10.20, US, 11 / 255,160</td>

(41) Announcement 2008.07.15 (45) Announced 2018.02.19 (73) Owner (72) Inventor

<td> (74)</td><td>Fullmektig</td>

<td> (54)</td><td>Designation</td>

<td> (56)</td><td>cited publications</td>

<td> (57)</td><td>Summary</td>

National Oilwell Varco LP, 7909 Parkwood Circle Drive, US-TX77036 HOUSTON, USA

Guy Lamont McClung III, 8002 Hertfordshire Circle, US-TX77379 SPRING, USA

Reinhold Kammann, Schaffeld 12, DE-29342 WEINHAUSEN, Germany

Manfred Hermann Worms, Maisfeld 15, DE-29336 NIENHAGEN, Germany

Leon Doyle Blison, 29010 Lazy Pine Drive, US-TX77336 HUFFMAN, USA

Clive Chemo Lamb, 15922Oak Island Drive, US-TX77375 TOMBALL, USA

Eric Scott, 8913 Summerdale Lane, US-TX77302 CONROE, USA

HÅMSØ PATENTBYRÅ AS, PO Box 171.44301 SANDNES, Norway

Procedure and apparatus to simplify operation of a vibrating screen

WO 02092245 A1, WO 02080043 A1, DE 19921409 A1, US 2004/074817 A1

A method of simplifying operation of a vibrating screen, the method comprising the steps of having a computer readable identification unit (795) on a device associated with a separation device, wherein the computer readable identification unit stores information as well as reads the information stored in the computer readable identification unit by means of a reading device .

<img file="NO341908B1_D0002.tif" />

79Θ

PROCEDURE AND APPARATUS FOR SIMPLIFYING OPERATION OF A Vibrant SOLD

This invention relates to a method and apparatus for simplifying operation of a vibrating screen. The invention also relates to a vibrating screen.

When drilling a borehole to build an oil or gas well, a drill bit is provided on the end of a drill string and rotated to drill the borehole. A drilling fluid known as '' drilling mud '' is pumped through the drill string to the drill bit for lubrication of the drill bit. The drilling mud is also used to transport the cuttings and other solids produced by the drill bit to the surface through the annulus formed between the drill string and the borehole. The drilling mud contains expensive synthetic oil-based lubricants and it is therefore common to recover and reuse the used drilling mud, but this requires removing the solids from the drilling mud. This is achieved by processing the drilling mud. The first part of the process is to separate the solid from the solid drilling mud. This is achieved, at least in part, with a vibrating separator, such as the vibrating screens disclosed in US 5,265,730, WO 96/33792 and WO 98/16328.

Vibrating screen usually comprises an open bottom basket having one open outlet end and an ice wall fixed end wall. A number of rectangular screens are provided in the basket, which are held in channel steel rails placed on the walls of the basket, such as those set forth in GB-A-2,176,424. The basket is arranged on springs above a receiver for receiving recovered drilling mud. A ship or trench is arranged below the open outlet end of the basket. An engine is attached to the basket, which has a drive rotor provided with an offset lump weight. In use, the engine rotates the rotor and the offset lump weight, causing the curve and the screens attached to it to vibrate. Solid sludge is introduced at the feed end of the basket and out on the screens. The shaking motion induces the solid to move along the screens toward the open outlet end. Drilling mud passes through the screens. The recovered drilling mud is received in the receiver for further processing, and the solids pass over the outlet end of the basket and into the trench or ship.

Various systems and methods for using surface acoustic wave marking labels (SAWT) or radio frequency identification labels (RFIDTs) in identifying articles, including articles used in the oil and gas industry such as drilling pipes. (See, for example, U.S. Patents 4,698,631, 5,142,128, 5,202,680, 5,360,967, 6,333,699, 6,333,700, 6,347,292, 6,480,811, 7,400,263, 6,581,724, 6,604,063, 6,759,968 and 7,385,523 and application US20030156033). In many of these systems, a radio frequency identification tag or '' RFIDT '' is used on pipes in such a location, either internally or externally on a pipe, that the RFIDT is exposed to extreme temperatures and conditions downhole in a wellbore. Often, an RFIDT that is placed that way and is no longer in use fails. An RFIDT that is positioned this way is also in many cases subject to ground damage due to the difficulties of handling and manipulating.

The working principle of a SAW RFIDT is based on the transformation of a radio wave interrogation pulse transmitted from a reader directly into a nano-scale surface acoustic wave on a SAWT surface. The tag's antenna is directly connected to an IDD (InterDigital Transducer) (Interdigital converter) that uses the piezoelectric effect in a lithium niobate carrier material to efficiently convert between radio waves and surface acoustic waves. The surface acoustic wave then travels past a set of coded wave reflectors that interact to produce a unique wave pulse train. These pulses are converted directly into a coded radio wave response signal which is sent back to the reader. The SAW tag (integrated circuit / chip) works by using the piezoelectric power and does not require direct current.

When drilling oil and gas wells, the solid-containing drilling fluid is returned to the ice surface frequently, and the results of the analysis are used to determine an appropriate means of separating the solid from the drilling fluid. The assay is also used to determine whether additives must be added to the drilling fluid. The means for separating solids from the solids-containing drilling fluid which is determined to be used will often involve specification of a particular screen mesh size, type of mesh and screen assembly. It is often difficult to recognize a particular screen type by means of visual inspection. Errors can occur in screen type selection. Furthermore, the determined agent may require specific driving speeds for the vibrating screen having a particular inclination to hold a pond of solid-containing drilling fluid at a certain depth to increase or decrease the height of drilling fluid on the screen to increase or decrease the residence time of the solid drilling fluid at the screen, both of which can be obtained by changing the angle of inclination of the screen from the input end to the outlet end of the screen. The angle of inclination of the screen can be adjusted from downwards (perhaps between 3 and 30 degrees, more preferably 3 and 10 degrees), flat and upwards (with an upward angle from the horizontal of between 3 and 10 degrees, more preferably between 5 and 9 degrees). Certain vibrating soles will be able to do this and others will not.

From the publication WO 02092245 a modular display panel for a vibrating screen is known. A microchip 50 built into the panel. Microchip 50 contains data that will identify the panel and can be read by a scanner so that the panel can be identified and data associated with its manufacture is included in the database. The panel can also be scanned in use to enter information into the panel wear panel to facilitate panel maintenance, repair and replacement.

From the publication WO 02080043 there is known a method for obtaining operative information from a mineral material processing unit. Collected and / or pre-processed data can be further transmitted via radio, and data from a variety of switch units can be collected on a late 341908 tralized server. The operation data is obtained by measuring the unit load at e.g. load gauge or acceleration sensors.

From the publication DE 199221409 there is known automatic detection of various parameters of a screen used in a screening machine, in particular the mesh width of the screen.

From the publication US 2004/074817 there is known a method and apparatus for facilitating operation of a vibrating screen having a screen with an identification tag.

Monitors have different mesh sizes and are of different types. The masks can be unidirectional and require some orientation in the vibrating screen. Using the right type of monitor is extremely important.

In accordance with the present invention, there is provided a method for simplifying operation of a vibrating screen, wherein the vibrating screen has a computer readable, energizable identification tag storing information, a screen assembly having a further computer readable, energizing identification tag storing information, wherein the method includes the steps of, by means of a reader, reading the information stored in the computer readable, the energizable identification tag and the further computer-readable, ice-energizable identification tag, convey the information to a computer apparatus, and the computer apparatus produces an analysis signal indicative of acceptance or rejection of the display assembly based on said information.

The information stored in the additional computer readable identification tag is preferably sufficient to determine the display assembly parameters. It is an advantage if the information stored in the computer-readable identification tag is sufficient to determine parameters of the vibrating screen. In the case of a screen assembly, the information will be at least one of and preferably all of the following: mesh type, mesh size, number of mesh layers, bias or hook strip, frame size (length, width and depth), i.e. all physical parameters in addition to manufacturer, date of manufacture and other information so that the separation equipment can be traced back to the manufacturer. In the case of a vibrating screen: a machine with one, two or three decks, whether there is a scalping screen deck, type of screen fasteners, manufacturer, pre-print size, height, width, number of primary screens that can fit the primary decks, tilt adjustable tires and adjustment range.

It is an advantage if the information stored in the computer-readable, energizable identification tag is an identification code, the method further comprising a step of entering the identification code into a field in a database, which information is sufficient to determine the parameters of the vibrating soldier. is stored in the database that relates to the identification code. The database can simply be a lookup table.

Preferably, the method further comprises a step of presenting the information sufficient to determine the parameters of the separation equipment to an operator.

Preferably, the reader supplies energy to the energizable identification tag.

Preferably, the handheld is handheld.

Preferably, the step of reading the information is performed before inserting the screen into a vibrating screen.

Preferably, the method further comprises a step of controlling the reader with a control device.

Preferably, the analysis signal for acceptance or rejection is presented to a user, for example a drill deck man or other worker.

Preferably, the method further comprises a step of inserting appropriate parameters for the separation equipment into a computer program. It is an advantage if the method further comprises a step of analyzing the separation process, formulating appropriate parameters for the separation equipment, and inserting these appropriate parameters into a computer apparatus. If the driller, for example, looks at his instruments or by visual inspection that drilling fluid is flowing across the screen of the soldier, he determines the cause of the problem, such as that the screen is almost clogged with particles. Therefore, the driller sets appropriate parameters for an alternate screen to be inserted, which will reduce the likelihood of nesting of particles. A worker is notified to change the screen. The worker uses a handheld reader to read the identification devices on a variety of screens. The reader will display or otherwise alert the worker when he lets the reader pass over a screen that matches the appropriate parameters that the borer entered into the computer program. The computer program may comprise a database and preferably comprise a lookup table.

Preferably, in the case of a display, the analysis signal is sent to the worker before the display assembly is vibrated.

The present invention also provides an apparatus for operating a vibrating screen, the apparatus comprising a vibrating screen having a computer readable, energizable identification tag storing information, and a display assembly having a further computer readable, energizable identification tag storing information, the display assembly comprising a support, screen material on the support, and the computer readable, energizable identification tag is in contact with the support and a reader for reading information stored in the computer readable, energizable identification tag and the further computer readable, energizable identification tag, and a computer apparatus for generating an analysis signal indicative of acceptance or rejection of information based on the display of rejection or rejection of information. ..

Preferably, the additional computer-readable, energizable identification tag is within the support. It is an advantage if support is a framework. Preferably, the frame includes several interconnected hollow members, the energizable identification apparatus being housed within a hollow member. It is an advantage if the frame has an outside and an inside, and that the energizable identification device is on the inside. Preferably, the support is associated with the side mount construction and the additional computer-readable, energizable identification tag touches the side mount construction. It is advantageous if the energizable identification apparatus is located within the side mounting structure. Preferably, the filtration material is non-flat, with the additional computer-readable, energizable identification tag located below the filtration material. It is an advantage if the filtering material has open ends, where a plug plugs each open end, and where the additional computer-readable, non-energizable identification tag is located in a plug. Preferably, the additional computer-readable, energizable identification tag is taped to the support. It is an advantage if the energizable identification device is adhered to the support.

Preferably, the additional computer-readable, energizable identification tag is within a body of material. It is an advantage if the pulp is stiff. Alternatively, the mass may be flexible. Preferably, the mass is formed for reception in a space within the display apparatus. It is an advantage if the pulp has an opening for insertion of the energizable identification apparatus into the pulp. Preferably, the pulp is made of a material from the group consisting of: plastics, epoxy, fiberglass, gel, aerogel, silica-aerogel, non-magnetic metal, ceramics, cermet, polytetrafluoroethylene, wood, metal and composite. In one particular aspect, one or more RFIDs are covered with heat-resistant and / or shock-proof material on the outside of an article. Preferably, the screen comprises an encapsulation structure which encapsulates the energizable identification apparatus, the encapsulation structure comprising at least one layer of heat-resistant material. Such encapsulation may be made of metal (magnetic or non-magnetic, e.g. aluminum, stainless steel, silver, gold, platinum and titanium), plastic, composite, polytetrafluoroethylene, fiberglass, ceramic and / or cermet. The RFIDT may, in certain aspects, be any known commodity read-only or read / write type of radio frequency identification tag, and any known reading system, manual, fixed and / or automatic, may be used for reading the RFIDT. It is an advantage if the encapsulation structure further comprises at least one layer of impact resistant material. Preferably, the energizable identification apparatus is a radio frequency identification apparatus with an integrated circuit apparatus and an antenna apparatus.

Also disclosed is a display or display assembly for a vibration separator or vibrating screen, wherein the display or display assembly has one, two or more energizing identification devices, for example RFIDTs or SAWTs, where the energizing identification apparatus may be on or inside the display or the screen assembly, either inside a massive section or in a space within a hollow element, for example inside a hollow section of a frame. The RFIDT may be wrapped in heat-resistant and shock-resistant materials; in one aspect located in an area that is 5

- 7.5cm (2 - 3 ”) in length. The RFIDT (or RFIDTs) are protected against shock (pressure, shock, thermal) that can be encountered on a rig.

The RFIDT may, in certain respects, be (as any one disclosed herein may be) any known trademark read-only or read / write type radio frequency identification tag, and any known read system, manually, permanently and / or can be used automatically to read the RFIDT. Such installation of RFIDTs can be carried out on site, in a factory, on a rig, without any machining required. Optionally, a metal tag label indicating a unique serial number for each article, appliance or drill pipe length placed during the wrap with the RFIDT (s) can ensure that '' Traceability '' is never lost due to the failure of the RFIDT (s). Replacement of accidental RFIDTs can be performed without leaving the site, eliminating costly transport or driving costs. Optionally, the wrap is applied in a distinct and / or strong color for easy identification. Determining whether an article, apparatus or pipe or drill pipe length or drill string is marked with an RFIDT or is not visually clear, for example at a distance as soon as the RFIDTs are in place. Such wrapping can be used to apply an energizable identification device to a display assembly.

The RFIDT may be housed in a recess formed by machining or with laser apparatus or ice during drilling. In certain particular aspects, here, a recess is a cross-sectional shape which is square, rectangular, triangular, semitriangular, circular, semicircular, trapezoidal, dovetail-shaped or rhombic.

A rig with a drill tire that is attached or inserted or housed under it has a tagging system that reads RFIDTs in tubes or other apparatus located on the drill tire over the more rigging system. All such drill-deck reader systems, manually operated reader systems, and other fixed reader systems useful in methods and systems of the present invention may, in certain aspects, be associated with one or more control systems, such as computers, computer-based systems, consoles, and / or control systems located on the rig, on-site and / or remote from the rig, either via lines and / or cables or wirelessly. Such systems25 can handle identification functions, inventory functions and quality assurance functions.

For a better understanding of the present invention, reference will now be made, by way of example, to the accompanying drawings in which:

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5 is a side view of a vibrating screen according to the present invention.

is a top view of the vibrating screen in Figure 1.

is an end view of the vibrating screen in Figure 1.

is a side view of a vibrating screen according to the present invention.

is a perspective view of a screen assembly according to the present disclosure.

<td>Figure 6A</td><td>is a top view of a screen assembly according to the present invention stoppages.</td>

<td>Figure 6B</td><td>is an end view of the screen assembly of Figure 6A.</td>

<td>Figure 6C</td><td>is a side view of the display assembly of Figure 6A.</td>

<td>Figure 6D</td><td>is a perspective view of part of the screen assembly of Figure 6A.</td>

<td>Figure 7A</td><td>is a top view of a screen assembly according to the present invention stoppages.</td>

<td>Figure 7B</td><td>is a top view of a screen assembly according to the present invention stoppages.</td>

<td>Figure 7C</td><td>is an end view of the screen assembly of Figure 7B.</td>

<td>Figure 7D</td><td>is an enlargement of part of the display assembly shown in Figure 7C.</td>

<td>Figure 8</td><td>is an end view of a screen assembly according to the present disclosure.</td>

<td>Figure 9A</td><td>is a top view of a screen assembly according to the present invention</td>

<td> 15</td><td>stoppages.</td>

<td>Figure 9B</td><td>is a view with the parts taken apart of the screen assembly in Figure 9A.</td>

<td>Figure 9C</td><td>is an end view of the screen assembly of Figure 9A.</td>

<td>Figure 9D</td><td>is an enlargement of part of the display assembly in Figure 9C.</td>

<td>Figure 9E</td><td>is an end view of a screen assembly according to the present invention;</td>

<td> 20</td><td>see.</td>

<td>Figure 10A</td><td>is a top view of a screen assembly according to the present invention stoppages.</td>

<td>Figure 10B</td><td>is a sectional view along line 10B-10B of Figure 10A.</td>

<td>Figure 10C</td><td>is a perspective view of an apparatus according to the present invention.</td>

<td>Figure 10D</td><td>is a perspective view of an apparatus according to the present invention.</td>

<td>Figure 10E</td><td>is a perspective view of an apparatus according to the present invention.</td>

Figures 1-3 show a vibrating screen 810 according to the present invention having a screen mounting basket 812 and a bridge 814 on which are mounted two vibration devices 820. The basket 812 has brackets 816 to which coil springs 818 are attached. Each spring 818 is attached to a foundation element 822. As shown in Figure 3, an optional housing 824 can be used on sides of and below the vibrating screen 810. An electronic tracking device 829 is on the housing 824, but may, according to what appears in this document, be within any suitable element or part of a vibrating screen; and, optionally, such a tracking device has a container or housing made of composite material and / or encased in or coated with composite material. Any known tracking device, device or system may be used, including but not limited to known satellite tracking systems.

Brackets 816 are preferably made of composite material, and so are foundation members 822 and housing 824. Optionally, curve 812 (sidewalls 812a, 812b; ends 812c, 812d) is made of composite material. Alternatively, one, some, or all of these components are made of steel encased in composite or composite steel. A composite coating may have thickness as a layer of corn or as two, three, four or more layers of paint. A vibrating screen similar to the vibrating screen 810, but without the teachings, motivation or suggestion of using such composite material for a vibrating screen or parts thereof, is disclosed in U.S. Patent 6,155,428.

Figure 4 shows a vibrating screen 750 according to the present invention. Material to be treated (e.g. solid-state drilling fluid) of the vibrating screen 750 is fed from a tank

751. Material and fluid flow out onto the display devices 752 - 755 mounted in a solar basket

756. Which of the elevators of the display units 752 - 755 can be horizontal (see display unit 752, figure 4) or sloped upwards (see display units 752, 754, 755). Vibration apparatus 757 vibrates curve 756 and display apparatus 752 - 755. A backflow pan 754a below display apparatus 754 receives fluid flowing through display apparatus 754 and flowing down to a container 758 and backflow pan 755a conducts material to display apparatus 755.

Material and / or fluid flowing through the display apparatus 752 - 755 flows into a sump, tank or container 758. Curve 756 is mounted on a frame with springs (not shown). Material that does not flow through the display apparatus, for example, separated solids, flows out over the end of the display apparatus 754 and down onto the display apparatus 755. Material separated by the display apparatus 755 flows on its surface and beyond its end.

The display devices 752 - 755 can be any known displays or display devices used with vibration separators or vibrating screens.

Each display device 752 - 755 has an energizable identification device or devices 753i - 755i respectively in or on and / or the vibrating screen 750 has an energizable identification device or devices 750i in and / or on it. Any energizable identification apparatus disclosed herein may be used for the display apparatus, vibration apparatus, and / or for the vibrating screen (including, for example, RFIDTs and / or SAWTs). Optionally, the vibration apparatus 757 has an energizable identification apparatus 751 in or on and / or then motor weights 757m have an energizable identification apparatus 757p.

As is the case with multiple screens on different vibrating screens, screens 752 slop,

754 and 755 so that material on these must climb "uphill" to get off the end of the screen. It is within the scope of the present invention to use an energizable identification apparatus (any of which is set forth herein) with any such sloping screen, and with any screen on any vibration separator or vibrating screen.

Optionally, the vibrating screen 750 is provided with a reading device 759 (for example, as provided herein or in the prior art) for reading and monitoring the energizable identification devices on screens mounted on the vibrating screen 750 and / or on other parts of the screen 750. Optionally, the reader communicates with a control system 759a (on-site or remote). The control system 759a can monitor all the energizable identification devices. With respect to a particular display assembly, the control system 759a receives signals, including identification signals, from the display assembly and it (or any interconnected computer system 759c, locally or remotely) determines whether the particular display assembly is suitable for use on the vibrating soldier 750. If the control system via sensors 750s determines that the particular display assembly is not suitable for the material to be processed and / or flow rates, the control system and / or computer system may send a signal and / or alarm and / or automatically shut down the vibrating screen. Signals from energizing identification device 757i may indicate, for example, engine manufacturing date, last service date, engine overhaul date, etc. Signals from the energizable identification device 757p may indicate nominal motor marking power so that the control system can ensure correct motor power (operation at the correct frequency and operation with the correct weight (s)).

Figure 5 shows a screen assembly 790 according to the present disclosure having a frame 791 with cross members 793a and cross bars 793b with multiple screen mesh layers 792,

794, 796. Epoxy material connects the mesh layers to the frame 791.

An energizable identification apparatus 795 on an outer portion of the frame 791 with a protective tape, cover or enclosure 798 (which may be encapsulation, layers, material mass, tape, and / or wrap disclosed herein). Optionally, a protective cover, etc., surrounds the portion of the frame 791 which is adjacent to the device 795. Optionally, or in place of the apparatus 795, there is an energizable identification apparatus 797 on an inner portion of the frame 791, and it is protected by an enclosure, tape or protective cover 799 (which may be encapsulation, layers, material, pulp, tape, and / or wrap presented herein). It is within the scope of the present invention to provide one or more apparatus 795 and / or apparatus 797 on or in any portion of any display or display assembly used with a vibration separator or vibrating screen, including , but not limited to, the frames, plates, supports, lips, ledges, cross members, rods, bars, plates, supports, structural parts and sealing structures.

Figures 6A-6D show a screen assembly 840 according to the present invention having a tubular frame 842 made of hollow tubes with ends 844 and joined sides 845. A filtration material layer or combination of layers 850 is attached to the tubular frame 842 with suitable adhesive and / or binder. A plurality of spaced apart cross members 843 extend between, and have ends 844 associated with, pages 845. The screen assembly 840 may, in one particular aspect, have a multilayer combination 850 of layers of filtration material held together with binder or io epoxy, or bonded together with moisture-curing hot-melt adhesive in an adhesive pattern 862. The multilayer combination 860 is attached to the tubular frame 842. for example with cured epoxy.

It is within the scope of the present disclosure to place and / or mount an energizable identification apparatus within any portion of a screen or display assembly for a vibration separator or vibrating screen, including, but not limited to, within a hollow frame member or tube. , inside a hole or recess, or inside a screen or display assembly side mounting structure. The display assembly 840 has an energizable identification apparatus 841 attached to a material amount 846 (e.g., plastic, epoxy, fiberglass, gel, aerogel, silica aerogel, wood, metal, composite) within an end 844 of the display assembly 840 and an energizable identification apparatus 847 in inside a page 845. Energy-identifiable identification devices 848 and 849 are attached by means of binder exterior to portions of frame 842 and / or they have one or more layers of encapsulation or tape 848a, 849a over them.

Identification badges or labels, such as made of plastic or metal, are often used on monitors and display assemblies to provide information about the display or display assembly. It is within the scope of the present disclosure to include on or within such labels or labels one or more energizable identification devices. For example, a label or tag 851 on frame 842 (Figure 6D) has information 852 on screen 840 and on or inside label or tag 851 there is an energizable identification apparatus 853.

Figures 7A-7D show a screen assembly 910 according to the present invention having layers 912 of filtration material and side fittings 914. In one particular aspect there are three layers 912 of stainless steel filtration material having a lower layer of mesh size 20 x 20, a middle layer with 105 x 64 mesh size and a top layer with 170 x 105 mesh size. It is within the scope of this disclosure that layers 912 are any known filtration material that is separated and unrelated to each other, or with layers that are bonded, bonded, fused, sintered, glued together, and / or stitched together on any any known manner, and the filtering material may be made of any material used for such screen assemblies.

In some aspects, the layers 912 are bonded together with the cured heat-melted adhesive which produces flexible filtration material. In some aspects, a screen assembly according to the present invention with flexible material may be folded or rolled.

Each side fitting 914 has a bottom part 921, a side part 922, a top part 923, a top lip 924 and a top lip 925. The layers 912 pass through and are fixed between the bottom part 921 and the top lip 924.

One end of the layers 912 is held between the opposite parts 925a and 925b of the top lip 925. The top lip 924 may optionally be bonded with binder together with and / or welded to the bottom portion 921 with several spaced welds 926 along the lengths of the side fittings 914. Similar binder material and / or welds may optionally be used along the top lip 925. In other aspects, the welds 926 are removed or they are supplemented with glued areas along the fittings 914. Alternatively or additionally, inwardly facing teeth or projections on the top lip 924 and / or the bottom portion 921 may be used to hold the filtration material. The bottom portion 921 has a plurality of spaced apart holes 929 for receiving corresponding upwardly directed projections on a screen mounting structure or apparatus in a vibrating screen or vibration separator. Optionally, the ends 916 of the side fittings 914 are sealed with any suitable sealing material or seal construction. As shown in Figure 7D, a solid plug or amount of cured binder or hot melt adhesive 927 is applied at end aperture 916. An energizable identification apparatus 928 is encapsulated in plug 927. Optionally, such material may encapsulate the edge of filtration material layers 912. plug 927 made of plastic, epoxy, acrylic, steel, stainless steel, fiberglass, composite, aluminum, aluminum alloy 20 ring, zinc, zinc alloy, brass or bronze. Optionally, the top portion 923 is removed and a general "L" shaped side bracket is provided, and it is within the scope of this disclosure to provide such a side bracket with any sealing or handling apparatus described herein.

Optionally, a plurality of screws 931 secure a sealing member 930 to the side portion 922. In one aspect, the sealing member 930 (which may also be the case for any sealing or sealing member of the present invention) is made of neoprene, but it may be made of of nitrile rubber, rubber, plastic, gasket material, polyurethane, or any suitable sealing material. The sealing member 930 has an upper portion 932 having a generally circular cross-section (but, in accordance with the present invention, this cross-section may have any desirable shape including, but not limited to, square, oval, and rectangular). Optionally, the upper part

9 32 hollow and may, for example, have a space 933 of generally circular (or any other shape) cross-section. An elongate portion 934 of the sealing member 930 extends downwardly from the upper portion 932. The sealing member 930 is, in one aspect, positioned so that when the screen assembly 910 is in place on a vibrating screen or vibration separator, the sealing member 930 is interposed between the screen assembly 910 and the side of the basket. or other display mount construction. In another aspect, the sealing member 930 is positioned so that the upper portion 932 is above a top edge of the top lip 925. The sealing member 930 may be secured by binder to a side bracket. An energizable identification apparatus, according to the present disclosure, may be in or on the sealing member 930 or in the hollow portion of the end 932.

Figure 8 shows a screen assembly 940 according to the present invention having side brackets 944 (similar to the side brackets 914, Figure 7D); one or more layers 942 with filtering material (similar to layer (s) 912 in screen assembly 910) and one, two, three or more layers 946 of embossed or corrugated filtering material on and / or associated with layer (s) 942. The filtration material material / agents 946 may be any known wavy or embossed filtration material, including but not limited to that disclosed in U.S. Patents 6,450,345, 5,868,929,

5,720,881, 5,958,236, 5,876,552, 5,636,749, 5,417,858, 5,417,793, 5,417,859 and 5,944,993. In the display assembly 940, a portion of the layers 946 may pass with the layer (s) 942 between the bottom portion and the lower lip of the side brackets 944 and, if desired, into the top lip. Alternatively, only the layer (s) 942 are attached within the side brackets 944. The side fittings 944 may have an energizable identification apparatus 944a similar to the energizable identification apparatus shown and / or described for the embodiment of Figure 7D.

Figure 9A shows a screen 1110 in accordance with the present invention with a lower foundation, support or frame 1112, three wavy mesh screens 1114 (of which any two ice can be removed) on and / or adhered to or connected to frame 1112, and, optionally, an upper netting or screen 1116. The screens 1114 may themselves be sewn, stapled or glued together, for example by means of epoxy, glue, welding and / or sintering. Rubber strips, plastic strips, tape, cushion or pillows 1118 are disposed between the screen 1114 and the upper screen 1116. The strip (s) or pad (s) 1118 are optional. As shown, the strip (s), tape (s), or pad (s) 1118 are attached to screen 1114 (or to its waveguides), but it is within the scope of this disclosure to attach them (or any of them) to screen 1116. To effect such attachment, any suitable adhesive, epoxy, welding and / or sintering can be used. Frame 1112 can be any known foundation, frame or support.

It is within the scope of this disclosure that screen 1114 should be any known screen, mesh, screens, netting, or combinations thereof stapled together, stapled or simply stapled in certain places and of any form viewed from above or from the end (as in Figure 9A). It is within the scope of this disclosure that screen 1116, which is an option, should be any known screen (s), mesh, screens, mesh, or combinations thereof which are stapled together, stapled or simply stapled in certain places and of any form. As shown in Figure 9B, screen 1114 has three mesh screens attached together with coarser mesh width at the bottom, medium mesh width at the center and finer mesh width at the top. The screen 1116 may, as shown, be a scrap screen with a mesh size that is rougher than the finest mesh width of the screen 1114 or one with a multilayer coarser mesh width. In another aspect, the screen 1114 is a single screen with very fine mesh width and made of any suitable material, for example stainless steel and / or plastic material, and the screen 1116 is a single screen with coarser mesh width made of any suitable material ( for example, but not limited to stainless steel and / or plastic), with the screen 1114 on a frame or support of metal or plastic. Alternatively or additionally, any known perforated plate, strip, support or series of straps or strips may be used in place of frame 1112.

In one aspect, the strips 1118 are fused plastic strips arranged with the corrugated fine mesh tops. Such strips may be made of rubber (e.g., nitrile rubber) or plastic, such as polypropylene, to inhibit or prevent wear on the finer meshes. Such strips may be glued to the bottom of screen 1116 and / or screen 1114. Screen 1116 may also be glued to screen 1114.

End plugs 1113 and 1115 (Figure 9D) seal the open ends of the sealing screen 1110. These end plugs can be made of rubber, metal, wood, plastic, Teflon material or urethane. Plugs 1113 10 extend along two sides of the screen along the chamber of the filtration material to completely seal the sides. The plugs are held in place by friction fitting, glue epoxy, welding and / or sintering. Alternatively, the ends may be covered with filtration material.

Fluid flow on the screen 1110 from any end may be from top to bottom as shown in Figure 9A, from bottom to top or from one side to the other.

In one aspect, screen 1116 is a woven steel mesh screen. In another aspect, there is woven mesh of plastic, synthetic or composite. The screen 1116 may have the same mesh width or coarse mesh width as that of the screen 1114 or any of its layers.

In one embodiment, the regions 1117 between the screen 1116 and the screen 1114 are open. The screen 1116 protects the screen 1114 mesh from abrasive particles. When screen 1116 has a coarser mesh than screen 1114, relatively larger particles are retained on screen 1116 and prevented from destroying and / or preventing flow through screen 1114.

With the screen 1110 as shown and with the optional screen 1116, fluid flow through the screen is increased by decreasing the thickness of the finer mesh screens by the separation of larger particles by the screen 1116.

Figure 9E shows an alternate embodiment of the screen 1110 with identical parts (indicated by the same number) but with additional end plugs 1119 between the upper screen 1116 and the screen 1114. Such "double plug" can be used on one or both ends of the screen. A fluid and / or particles introduced into the screen 1110 first meet the screen 1116, and then material flowing through the screen 1116 to the screen 1114. The plugs 1119 can be made of the materials described for the plugs 1113 and 1115 and the plugs 1119 can be installed and / or held in place in similar ways. Any of the plugs 113, 1115, 1119 may be omitted in certain embodiments.

As has been previously described, any previously presented energizable identification apparatus may be applied to any portion of the screen 1110. An energizable identification apparatus 1120 is inserted within a plug 1115 and / or an energizable identification apparatus 1122 is inserted within a plug 1113. Optionally, an energizable identification device 1124 is embedded within a plug 1119 (Figure 9E).

Optionally, an energizable identification apparatus 1126, with an antenna 1127 extending beyond it, is housed within the frame 1112. It is within the scope of the present disclosure when an energizable identification apparatus is used and has an antenna extending therefrom, to adhere the antenna to part of the screen or display assembly and / or to place the antenna inside part of the display or display assembly (e.g. a frame element, hook strip (hookstrip) or side bracket) and / or to place such an antenna in a mass of material.

Figures 10A and 10B show a screen assembly 950 according to the present invention having a lower support plate 952 and one, two, three, four or more layers of filtration material on the plate 952 (three layers 953, 954, 955 shown). Side hook strips 956 on the sides of plate 952 facilitate mounting of the screen assembly on a tire or mounting assembly on a vibration separator or vibrating screen. An energizable identification apparatus 957 is attached to an exterior ice portion of a hook strip 956 and / or an energizable identification apparatus 958 is attached to an interior portion of a hook strip 956. In one particular aspect, the display assembly 950 is similar to a display assembly disclosed in U.S. Patent 4,575,421 modified in accordance with the present invention.

According to the present disclosure, an energizable identification apparatus can be applied, connected to or placed within a display assembly using a solid mass within which the energizable identification apparatus is placed. Figure 10C shows a mass of material 951 within which is an energizable identification apparatus 959. Mass 951 has a size and shape for insertion into a recess, notch, cavity, channel or opening in a display assembly (or other apparatus) to simplify the installation of the energizable identification apparatus.

9 59. The pulp 951 can be held in place by a friction fit, and / or binder, glue, welding and / or tape. The material of mass 951 may be metal, plastic, composite, wood, ceramic, cermet, gel, aerogel, silica-aerogel, fiberglass, non-magnetic metal or polytetrafluoroethylene. The material may be rigid and relatively rigid or it may be soft and / or flexible. An enlarged end 951a of the pulp 951 is an option.

Figure 10D shows a mass 1151 (made, for example, of any material mentioned for the mass 951) with an energizable identification apparatus 1159 in it. The energizable identification apparatus 1159 has an antenna 1158 extending from the energizable identification apparatus 1159 and located within the mass 1151. With a flexible or sufficiently non-rigid mass 1151 (and with the mass 951), a slit or recess 1157, of any length within the mass 1151, can be provided for insertion of the energizable identification apparatus

1159 and the antenna 1158 of the mass 1151 and / or for removable replacement of the energizable identification apparatus 1159.

Figure 10E shows a mass 1141 (for example, equal to masses 951, 1151 and made of the materials mentioned above) with an energizable identification apparatus 1142 (or it may be worn according to the present disclosure). The mass 1141 has a recess 1143 which has a size, location and shape to receive a portion or portion of a screen or screen assembly so that the mass 1141 can be easily installed on the screen or screen assembly. A friction fit between the pulp 1141 and the portion or portion of the screen assembly may hold the pulp 1141 in place (for example, on a display or display assembly frame, plate, bracket, hook strip or support) and / or connecting members, fasteners and / or binders may be used to holding the mass 1141 in place.