Charging car for charging the chambers of a coke oven battery

The invention relates to a coal charging for filling of coking coke oven battery, with<sl><li>a funnel-shaped bottom outlet</li><li>a horizontal screw conveyor below the bottom outlet and</li><li>a Deckelabhebevorrichtung for opening and closing of charging hole lids of the coke oven,</li></sl>wherein the screw conveyor an beschickbares top housing with a lower-side outlet, at least one rotatably mounted in the housing auger and a to having the housing flanged auger drive and being connected to the outlet a telescopic tube is that the outlet with an open Fill hole connects.

The coal charging is guided by rails on the ceiling of the Coking coke oven battery moved. He assumes use coal from a coal tower and transported them to the coking chambers, in which it by is filled fill holes. Modern coal charging point a forced feeding system with a horizontal Screw conveyor to below the bottom outlet. Further they are equipped with an automatic Deckelabhebevorrichtung for opening and closing of Fullochdeckeln and with a telescopic tube, which of the outlet Screw conveyor with the open filling hole connects, to avoid damaging emissions during the filling equipped. require the devices described a large installation height on the underside of a coal charging car. The local conditions of existing coke plants allow the use of advanced coal charging with the described devices often do not.

The invention is based on the object of a coal charging specify the structure described above, the by a low installation height of the screw conveyor and Deckelabhebevorrichtung distinguished.

To achieve this object, the invention teaches that the Housing of the screw conveyor at the bottom of the coal arranged horizontally movable and means an actuator with an unchanged location of the coal between an initial position, in which the Outlet positioned laterally offset to fill hole , and a filling position in which the outlet substantially aligned with the filling hole, is movable. According to a preferred embodiment for the practice of the Screw conveyors aligned in the direction of travel of the coal and carried out the adjusting movement of the screw feeder in the form of an axial movement in the longitudinal direction of the Screw conveyor. The adjustment path of the auger housing is arranged so that in a first working position (Starting position) of Füllochdeckel freely accessible is for Deckelabhebevorrichtung and with unchanged Location of the coal in a second Working position (filling) the outlet substantially aligned with the fill hole. The inventive arrangement makes it possible to arrange the outlet so deep, that through the telescopic tube during the filling only a small distance has to be bridged. The telescopic tube consequently executed with very short overall length. Ancillaries for actuating the telescopic tube are in accordance executable also as compact units.

The housing of the screw conveyor, preferably trough-shaped formed, has in a further expedient refinement the invention to a top-side cover, which in the initial position of the screw conveyor Bottom outlet of the coal closes so far that expire no coal on the ceiling of the coking chambers can. The cover of the screw conveyor fulfilled the function of a slider of the bottom outlet Coal charging closes and the bottom outlet only freely-available, if the filling of a coking occurs and the screw conveyor in the corresponding filling is.

According to a further preferred embodiment of the invention is the outlet of the worm Förderes an obturator, , Arranged for example in the form of a gate valve, which actuated by a secured to the auger assembly is. On the periphery of the outlet is a further arranged actuator by means of which the telescopic tube automatically set up and can be moved downward.

The housing of the screw conveyor is expediently out rails on either side of the auger housing at the steel substructure of the filling carriage are arranged. The rails can raceways any exhibit design.

The Deckelabhebevorrichtung has usual gripping and lifting devices on. Further, a device is required, a recorded cover from the filling area out move. The Deckelabhebevorrichtung can this Purpose be equipped with a separate drive, the a translational motion or a horizontal performs pivot movement. According to a preferred embodiment of the invention is to at Deckelabhebevorrichtung arranged the steel substructure of the filling carriage out rails, the rails parallel extend to the guide rails of said screw conveyor and travel movements of said screw conveyor along the guide rails and the Deckelabhebevorrichtung along the Rails are rigidly coupled. It is understood that the rigid coupling side, the rail guides induced relative movements between the screw conveyor and Deckelabhebevorrichtung during the travel movement allows. Advantageously, a coupling rod with Spherical bearings and pivot pins inserted. The travel motion of the screw conveyor relative to the bottom outlet is in this embodiment of the invention, also used a Füllochdeckel that received by the Deckelabhebevorrichtung has been move, from the work area of ​​the filling hole and after completion of the filling back to back fill hole move back. According to a preferred structural design is at the steel substructure of a coal charging car a hydraulic or electromechanical actuator arranged that the one on to the housing Auger attached support works, and is the Deckelabhebevorrichtung means of a coupling rod also connected to the carrier.

According to a further preferred embodiment of the invention is connected to the outlet of the associated end of the Auger housing a vertically adjustable device for cleaning and Füllochdeckel Füllochrahmen connected which together with the housing between its Initial position and the filling position horizontally is and in the initial position on the frame is filling hole deductible. In this embodiment of the invention is not Deckelabhebevorrichtung with the travel movement coupled the auger, but independently of the horizontal movement of the actuating screw conveyor housing horizontally.

In the following the invention reference being made to a Embodiment drawing depicting explained in detail.

Figures 1 to 5 show a detail of a longitudinal section through the lower part of a coal charging car, the in a coke oven plant appeared out on the coke oven a coke oven battery is moved. The coal charging takes charge coal from a coal tower and conveyed this to the coking chambers of the coke oven battery. The use of coal is there by filling holes into the Coking chambers filled vertically. In Fig. 6 is also in longitudinal section, a further embodiment of the invention Coal charging shown.

The coal charging shown in the figures has a funnel-shaped bottom outlet 1, a horizontal Screw conveyor 2 and below the bottom outlet 1 a Deckelabhebevorrichtung 3 for opening and closing of charging hole lids 4 of coking on. For basic Construction of the screw conveyor 2 includes a of Top beschickbares housing 5 with a lower-side outlet 6, at least a rotatably mounted in the housing 5 Auger 7 and a eingeflanschter to the housing 5 Auger drive 8. At the outlet 6 is a Telescopic pipe 9 is connected, which the outlet 6 connects with an open filling hole 10th

The housing 5 of the screw conveyor 2 is at the bottom disposed of the coal horizontally movable and by means of an actuator 11 with an unchanged Location of the coal between an initial position, in which the outlet side of the fill hole positioned offset, and a filling position, in which the outlet 6 substantially coincides with the fill hole 10 is aligned, movable. Figs. 1 to 3 show the initial position, FIGS. 4 and 5, the filling of the Screw feeder 2. The housing 5 of the screw feeder 2 is guided on rails 12 on either side of the housing 5 is arranged at the steel substructure 13 of the coal are. The Deckelabhebevorrichtung 3 is on rails 14 is guided, which is also at the steel substructure 13 of the coal are arranged. The running rails 14 extend parallel to the guide rails 12 of the screw conveyor 2. Furthermore, it takes a comparative study of the figures, that the movements of the screw conveyor 2 along the guide rails 12 and the Deckelabhebevorrichtung 3 along the Rails are rigidly coupled. For the adjustment of the screw conveyor 2 is a hydraulic or electromechanical Actuating device 11 is provided, which also at the steel substructure 13 of the coal is arranged. She works in the exemplary embodiment one fastened to the housing 5 of the screw conveyor 2 Carrier 15. These is also the Deckelabhebevorrichtung connected by a coupling rod.

The housing 5 of the screw conveyor 2 includes an upper-side Cover plate 17, which in the initial position the screw conveyor 2 the bottom outlet 1 partially or completely closes. The arrangement is such that, that in the initial position no coal on the ceiling of the may leak coking chambers.

In the outlet 6 of the screw conveyor 2 is a shut-off device, eg in the form of a gate valve 18, disposed this by a fixed to the auger assembly 19 is actuated. On the periphery of the outlet 6 it also recognizes an actuator 20 for the Telescopic tube 9. The suction pipe 9 by means of the actuator 20 automatically up and down movable is. Operation and functioning of the coal invention be from a comparative study of Figures significantly. The coal charging takes in a coal tower the coke plant using coal, goes to Coking and is there one with a Füllochdeckel 4 sealed fill hole 10 is positioned (Fig. 1). During this time, the housing 5 of the screw feeder 2, the initial position shown in FIG. 1 on. After positioning of the coal on to filled coking chamber is automatically Füllochdeckelabhebung means of Deckelabhebevorrichtung 3. The recording and raising the Füllochdeckels 4 is in the 2 and 3. Fig.. It is clear that the area above the Füllochdeckels 4 is freely accessible and Screw conveyor 2 with outlet 6 and telescopic pipe 9 the required manipulation of Deckelabhebevorrichtung 3 not hindered. After the Füllochdeckel 4 raised has been, will be the housing 5 of the screw conveyor 2 and Deckelabhebevorrichtung 3 in a common horizontal travel movement process in translation. Of the Actuating path is arranged so that the outlet 6 of the Screw conveyor 2 finally the position shown in Fig. 4 Filling occupies, in which the outlet 6 in the substantially aligned with the fill hole 10th The telescopic tube 9 is then lowered and a connection between the outlet 6 and the fill hole 10 is made. Finally, the gate valve arranged in the outlet 6 are open 18 and the auger drive 8 put into operation. Keep Kohleeinfüllung starts in the retort by the auger. 7

In the embodiment of the coal shown in Fig. 6 is connected to the discharge nozzle 6 zuordnete end of Auger housing 5 a vertically adjustable device 21 for cleaning and Füllochdeckel Füllochrahmen connected. The device 21 is, together with the housing 5 between the initial position and its Filling position and horizontally in the initial position deductible to the frame of the filling hole 10th The Deckelabhebevorrichtung 3 is independent of the horizontal Actuating movement of the auger housing 5 horizontal traversable.

The various operating positions of the device 21 are, in part, in dashed lines, shown in FIG. 6. The Case 5 of the screw conveyor 2 takes its initial position on. The Füllochdeckel 4 is from the Deckelabhebevorrichtung 3 been received and is in a laterally to fill hole offset position. The device 21 is for cleaning and Füllochdeckel Füllochrahmen from its raised shown in solid lines lowered position on the Füllochrahmen and cleans it. The Deckelabhebevorrichtung 3 moves to the dashed line position before and reduces the filling hole 4 from the cleaning device 21st After Completion of cleaning operations drive the Deckelabhebevorrichtung 3 and the cleaning device 21 in the with solid lines illustrated positions back. subsequently , the screw conveyor 2 in its filling moves and can the processes already described be introduced for Kohleeinfüllung.