Bulk material unloading and loading device

Abstract

The utility model relates to the technical field of graphite electrode production equipment, in particular to a bulk material unloading and feeding device which comprises a Roots blower, the inlet end of the Roots blower is connected with the upper portion of a large particle bin through a pipeline, the upper portion of the large particle bin is further connected with a material suction rubber pipe, and the end, away from the large particle bin, of the material suction rubber pipe is connected with a telescopic material suction steel pipe. During use, collected dust is not mixed with particle raw materials to enter the large storage tank any more, the dust enters the dust bin and can be treated according to requirements in the automatic batching process according to the requirements of a technological formula, the dust removal effect is good, the dust removal effect is good, and the dust removal effect is good. The problems of uniform digestion, utilization and balanced use of the ventilated dust removal powder are solved, the raw materials are prevented from being mixed with impurities and being affected with damp, secondary dust raising is avoided, and raw material loss and environmental pollution are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite electrode production equipment, in particular to a bulk material unloading and feeding device for a car. Background Technique

[0002] Graphite electrodes are a kind of high-temperature-resistant graphite conductive material produced through a series of technological processes such as kneading, forming, roasting, impregnation, graphitization, and machining, using petroleum coke and needle coke as aggregates and coal tar pitch as a binder.

[0003] The raw materials required for graphite electrode production are petroleum coke, needle coke, etc. The consumption of raw materials is large, and the bulk raw materials are transported into the factory by train.

[0004] In the prior art, most carbon enterprises use grab cranes to unload and handle bulk raw materials, store them in corresponding raw material tanks, and according to production requirements, transport them to the feeding system by trucks, and then transport them to the corresponding raw material bins through equipment such as elevators and scraper conveyors. The raw material storage sites are mostly open-air and open, which are easy to mix with sundries and the raw materials are prone to moisture. Moreover, there is no dust removal facility, and secondary dust is generated during the loading, unloading, and transportation of raw materials, resulting in the loss of raw materials and environmental pollution, seriously restricting the development of environmental protection governance in the carbon industry. Content of the Utility Model

[0005] The purpose of the utility model is to provide a bulk material unloading and feeding device for a car, which removes the intermediate transportation link of raw materials, realizes the non-touching ground of raw material unloading, reduces the loss of raw materials, and achieves the effects of dust control at the production site and environmental protection.

[0006] A bulk material unloading and feeding device for a car of the utility model includes a Roots blower and a gantry mobile machine. The inlet end of the Roots blower is connected to the upper part of a large particle bin through a pipeline. The upper part of the large particle bin is also connected to a suction rubber hose. One end of the suction rubber hose far from the large particle bin is connected to a telescopic suction steel pipe. One end of the telescopic suction steel pipe far from the suction rubber hose extends into the railway car body. A universal rotary joint is connected between the suction rubber hose and the large particle bin, and a universal rotary joint is connected between the telescopic suction steel pipe and the suction rubber hose. The gantry mobile machine includes a support, a trolley, a carriage, and a walking track. The walking track is fixedly connected to the top surface of the support. The carriage is slidably connected to the walking track. The trolley is connected to the top surface of the carriage. The telescopic suction steel pipe is connected to the trolley.

[0007] Furthermore, a cyclone separator is connected between the Roots blower and the large particle bin. The cyclone separator is connected to the Roots blower through a pipeline, and the cyclone separator is connected to the large particle bin through a pipeline.

[0008] Furthermore, it includes a raw material feeding bin, which is arranged below the large particle bin and the cyclone separator. The bottom outlet end of the large particle bin is connected with a star-shaped discharger I, and the outlet end of the star-shaped discharger I is connected to the top surface of the raw material feeding bin. The bottom outlet end of the cyclone separator is connected with a star-shaped discharger II through a pipeline, and the star-shaped discharger II is connected to the top surface of the raw material feeding bin.

[0009] Furthermore, it includes an elevator, which is vertically arranged. The inlet end of the elevator is set at the bottom, and the outlet end of the elevator is arranged at the top. The bottom outlet end of the raw material feeding bin is connected to the bottom inlet end of the elevator, and the top outlet end of the elevator is connected with a feeding chute. One end of the feeding chute far away from the elevator is connected with a large storage tank, and the feeding chute is connected to the top surface of the large storage tank. The top of the large storage tank is provided with an outlet end.

[0010] Furthermore, a bag filter is connected between the cyclone separator and the Roots blower. The bag filter is connected with the cyclone separator through a pipeline, and the bag filter is connected with the Roots blower through a pipeline.

[0011] Furthermore, the bottom of the bag filter is connected with a screw conveyor, which is horizontally arranged. The bottom of the bag filter is connected to the inlet end of the screw conveyor, and the outlet end of the screw conveyor is connected with a star-shaped discharger III. The outlet end of the star-shaped discharger III is connected with a dust collection powder bin, and the outlet end of the dust collection powder bin is connected with a powder conveying pump.

[0012] Furthermore, a silencer is connected to the exhaust port of the Roots blower.

[0013] The beneficial effects of the present utility model are as follows: During the use of the present utility model, the collected dust removal no longer mixes with the granular raw materials and enters the large storage tank. The dust removal enters the dust powder bin and can be processed as required during the automatic batching process according to the process formula requirements. The present utility model not only achieves a good dust removal effect, solves the problems of uniform digestion utilization and balanced use of ventilation dust removal powder, avoids the mixing of sundries and moisture in the raw materials, avoids secondary dust emission, and avoids raw material loss and environmental pollution. Description of the Drawings

[0014] Figure 1 It is a structural schematic diagram of the present utility model;

[0015] In the figure: 1. Roots blower; 2. Silencer; 3. Bag filter; 4. Cyclone separator; 5. Large particle bin; 6. Universal rotary joint; 7. Suction rubber hose; 8. Screw conveyor; 9. Telescopic suction steel pipe; 10. Support; 11. Trolley; 12. Gantry; 13. Traveling track; 14. Railway car; 15. Star-shaped discharger I; 16. Star-shaped discharger II; 17. Raw material feeding bin; 18. Elevator; 19. Feeding chute; 20. Large storage tank; 21. Star-shaped discharger III; 22. Dust collection powder bin; 23. Powder conveying pump. Detailed implementation mode

[0016] As shown Figure 1 in the figure, a bulk material unloading and feeding device of the utility model comprises a Roots blower 1 and a gantry mobile machine. The inlet end of the Roots blower 1 is connected to the upper part of a large particle bin 5 through a pipeline. The upper part of the large particle bin 5 is also connected with a suction rubber hose 7. One end of the suction rubber hose 7 far away from the large particle bin 5 is connected with a telescopic suction steel pipe 9. One end of the telescopic suction steel pipe 9 far away from the suction rubber hose 7 extends into a car body 14. A universal rotary joint 6 is connected between the suction rubber hose 7 and the large particle bin 5. A universal rotary joint 6 is connected between the telescopic suction steel pipe 9 and the suction rubber hose 7. The gantry mobile machine comprises a support 10, a trolley 11, a carriage 12 and a running track 13. The running track 13 is fixedly connected to the top surface of the support 10. The carriage 12 is slidably connected to the running track 13. The trolley 11 is connected to the top surface of the carriage 12. The telescopic suction steel pipe 9 is connected to the trolley 11.

[0017] The Roots blower 1 serves as a suction power source to provide suction for the telescopic suction steel pipe 9 to suck raw materials. After the car body 14 transporting the raw materials enters the site, the gantry mobile machine is controlled to move to the position of the car body 14. Then, the lower end of the telescopic suction steel pipe 9 is extended into the car body 14 through the trolley 11 and the carriage 12. At this time, starting the Roots blower 1 can suck a large amount of bulk raw materials such as petroleum coke and needle coke in the car body 14 into the large particle bin 5.

[0018] A cyclone separator 4 is connected between the Roots blower 1 and the large particle bin 5. The cyclone separator 4 is connected to the Roots blower 1 through a pipeline, and the cyclone separator 4 is connected to the large particle bin 5 through a pipeline.

[0019] The raw materials naturally settle in the large particle bin 5. Those larger than 2 mm settle to the lower part of the large particle bin 5, and the dust and raw material particles smaller than 2 mm are collected by the cyclone separator 4.

[0020] The utility model comprises a raw material feeding bin 17. The raw material feeding bin 17 is arranged below the large particle bin 5 and the cyclone separator 4. The bottom outlet end of the large particle bin 5 is connected with a star-shaped discharger I 15. The outlet end of the star-shaped discharger I 15 is connected to the top surface of the raw material feeding bin 17. The bottom outlet end of the cyclone separator 4 is connected with a star-shaped discharger II 16 through a pipeline. The star-shaped discharger II 16 is connected to the top surface of the raw material feeding bin 17.

[0021] The raw materials settled at the lower part of the large particle bin 5 enter the raw material feeding bin 17 through the star-shaped discharger I 15, and the raw material particles smaller than 2 mm separated in the cyclone separator 4 enter the raw material feeding bin 17 through the star-shaped discharger II 16.

[0022] The utility model comprises an elevator 18 which is vertically arranged. The inlet end of the elevator 18 is arranged at the bottom, and the outlet end of the elevator 18 is arranged at the top. The bottom outlet end of the raw material feeding bin 17 is connected to the bottom inlet end of the elevator 18. The top outlet end of the elevator 18 is connected with a blanking chute 19. One end of the blanking chute 19 far away from the elevator 18 is connected with a large storage tank 20 for materials. The blanking chute 19 is connected to the top surface of the large storage tank 20 for materials. The top of the large storage tank 20 for materials is provided with an outlet end.

[0023] The raw materials in the raw material feeding bin 17 are lifted by the elevator 18 and enter the large storage tank 20 for materials through the blanking chute 19, thus completing the suction and unloading of bulk raw materials from the vehicle.

[0024] A bag filter 3 is connected between the cyclone separator 4 and the Roots blower 1. The bag filter 3 is connected to the cyclone separator 4 and the Roots blower 1 through pipelines respectively. The bottom of the bag filter 3 is connected with a screw conveyor 8 which is horizontally arranged. The bottom of the bag filter 3 is connected to the inlet end of the screw conveyor 8. The outlet end of the screw conveyor 8 is connected with a star-shaped discharger III 21. The outlet end of the star-shaped discharger III 21 is connected with a dust collection bin 22 for dust. The outlet end of the dust collection bin 22 for dust is connected with a powder conveying pump 23.

[0025] The bag filter 3 collects dust. The dust enters the dust collection bin 22 for dust through the screw conveyor 8 and the star-shaped discharger III 21. The dust in the dust collection bin 22 for dust is then conveyed to the production batching system through the powder conveying pump 23.

[0026] A silencer 2 is connected to the air outlet of the Roots blower 1 to eliminate the noise of the exhaust air of the Roots blower 1.

[0027] During the use of the utility model, the collected dust is no longer mixed with granular raw materials and enters the large storage tank 20 for materials. The dust entering the dust collection bin 22 for dust can be processed as required during the automatic batching process according to the process formula requirements. The utility model not only achieves good dust removal effect, solves the problems of uniform digestion, utilization and balanced use of ventilation dust, avoids the mixing of sundries and moisture in the raw materials, avoids secondary dust emission, and also avoids raw material loss and environmental pollution.

Claims

1. A feeding device for a bulk material unloading vehicle, characterized in that: It includes a Roots blower (1) and a gantry mobile machine. The inlet end of the Roots blower (1) is connected to the upper part of a large particle bin (5) through a pipeline. The upper part of the large particle bin (5) is also connected to a suction rubber hose (7). One end of the suction rubber hose (7) away from the large particle bin (5) is connected to a telescopic suction steel pipe (9). One end of the telescopic suction steel pipe (9) away from the suction rubber hose (7) extends into a freight car (14). A universal rotary joint (6) is connected between the suction rubber hose (7) and the large particle bin (5). A universal rotary joint (6) is connected between the telescopic suction steel pipe (9) and the suction rubber hose (7). The gantry mobile machine includes a support (10), a trolley (11), a large vehicle (12), and a walking track (13). The walking track (13) is fixedly connected to the top surface of the support (10). The large vehicle (12) is slidably connected to the walking track (13). The trolley (11) is connected to the top surface of the large vehicle (12). The telescopic suction steel pipe (9) is connected to the trolley (11).

2. The bulk material unloading and feeding device according to claim 1, characterized in that: A cyclone separator (4) is connected between the Roots blower (1) and the large particle bin (5). The cyclone separator (4) is connected to the Roots blower (1) through a pipeline, and the cyclone separator (4) is connected to the large particle bin (5) through a pipeline.

3. The bulk material unloading and feeding device according to claim 2, characterized in that: It includes a raw material feeding bin (17). The raw material feeding bin (17) is arranged below the large particle bin (5) and the cyclone separator (4). The bottom outlet end of the large particle bin (5) is connected to a star-shaped discharger I (15). The outlet end of the star-shaped discharger I (15) is connected to the top surface of the raw material feeding bin (17). The bottom outlet end of the cyclone separator (4) is connected to a star-shaped discharger II (16) through a pipeline. The star-shaped discharger II (16) is connected to the top surface of the raw material feeding bin (17).

4. The bulk material unloading and feeding device according to claim 3, characterized in that: It includes an elevator (18). The elevator (18) is vertically arranged. The inlet end of the elevator (18) is set at the bottom, and the outlet end of the elevator (18) is set at the top. The bottom outlet end of the raw material feeding bin (17) is connected to the bottom inlet end of the elevator (18). The top outlet end of the elevator (18) is connected to a feeding chute (19). One end of the feeding chute (19) away from the elevator (18) is connected to a storage tank (20). The feeding chute (19) is connected to the top surface of the storage tank (20). The top of the storage tank (20) is provided with an outlet end.

5. The bulk material unloading and feeding device according to claim 4, characterized in that: A bag filter (3) is connected between the cyclone separator (4) and the Roots blower (1). The bag filter (3) is connected to the cyclone separator (4) through a pipeline, and the bag filter (3) is connected to the Roots blower (1) through a pipeline.

6. The bulk material unloading and feeding device according to claim 5, characterized in that: The bottom of the bag filter (3) is connected to a screw conveyor (8). The screw conveyor (8) is horizontally arranged. The bottom of the bag filter (3) is connected to the inlet end of the screw conveyor (8). The outlet end of the screw conveyor (8) is connected to a star-shaped discharger III (21). The outlet end of the star-shaped discharger III (21) is connected to a dust removal powder bin (22). The outlet end of the dust removal powder bin (22) is connected to a powder conveying pump (23).

7. A bulk material unloading and feeding device according to any one of claims 1-6, characterized in that: A silencer (2) is connected to the exhaust port of the Roots blower (1).

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