CN213506787U - Coal washing equipment capable of reducing sulfur content - Google Patents

Abstract

The utility model relates to the technical field of coal desulfurization, and discloses a coal washing device for reducing sulfur content, which comprises an ultrasonic desulfurization box and a screening box, the inner cavities of the ultrasonic wave sulfur removal box and the screening box are both fixedly provided with a first conveyor belt, the inner cavity of the screening box is fixedly provided with a second conveyor belt below the first conveyor belt, the inner wall of the ultrasonic wave sulphur removal tank is fixedly provided with an ultrasonic generator, the top of the ultrasonic wave sulphur removal tank is fixedly provided with an air extraction tank, the coal washing equipment for reducing the sulfur content feeds the crushed coal into an ultrasonic wave sulfur removal box through a first conveyor belt, the ultrasonic transmitter starts to work to enable sulfur in coal to react, the air pump pumps the sulfur which becomes gas into the aeration tank from the communicating pipe through the air pumping pipe, the gas reacts with the carbon disulfide in the aeration tank, and the reacted gas is discharged from the gas filtering device through the gas outlet pipe.

Description

Coal washing equipment capable of reducing sulfur content

Technical Field

The utility model relates to a coal desulfurization technical field specifically is a coal washing equipment that reduces sulphur content.

Background

Coal washing is an indispensable procedure for coal deep processing, coal directly mined from a mine is called raw coal, a plurality of impurities are mixed in the raw coal during mining, the quality of the coal is different, and the coal with small inherent ash content and the coal with large inherent ash content are mixed together. Coal washing is an industrial process for removing impurities in raw coal or classifying high-quality coal and low-quality coal.

When the existing coal washing equipment is used, methods such as water desulphurization and ultrasonic desulphurization are generally used, sulfur-containing gas generated by ultrasonic desulphurization is directly discharged into the air, the air is easily polluted and poisoned, most coal washing equipment has a process of removing impurities, stones such as gangue are screened out, coal dust is easily floated in the process, and events such as dust explosion can be generated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a reduce coal washing equipment of sulphur content possesses advantages such as discharging again after the gas treatment who will contain sulphur, dust fall, has solved the gaseous direct emission that the sulphur removal produced, easily produces the problem of dust when screening stones such as waste rock.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a reduce coal washing equipment of sulphur content, includes ultrasonic wave sulphur removal case and screening case, the equal fixed mounting in inner chamber of ultrasonic wave sulphur removal case and screening case has the conveyer belt No. one, the inner chamber of screening case and the below fixed mounting that is located the conveyer belt No. two, the inner wall fixed mounting of ultrasonic wave sulphur removal case has supersonic generator, the top fixed mounting of ultrasonic wave sulphur removal case has the exhaust chamber, the inner chamber fixed mounting of exhaust chamber has the aspiration pump, the right side intercommunication of aspiration pump has the exhaust tube, the bottom of exhaust tube runs through ultrasonic wave sulphur removal case and extends to the inside of ultrasonic wave sulphur removal case, the left side intercommunication of aspiration pump has communicating pipe, the bottom fixed mounting of ultrasonic wave sulphur removal case has the gas reaction case, the inner chamber fixed mounting of gas reaction case has the aeration tank, the bottom of communicating pipe runs through the exhaust chamber in proper order, the aeration tank, the bottom of communicating pipe, Gaseous reaction case and aeration tank and extend to the inside of aeration tank, the top intercommunication of aeration tank has the outlet duct, the right side fixed mounting of gaseous reaction case has gaseous filter equipment, the right-hand member of outlet duct runs through gaseous reaction case and gaseous filter equipment in proper order and extends to gaseous filter equipment's inside, gaseous filter equipment includes chemical fibre non-woven fabrics layer, activated carbon layer and glass fiber layer, the surface on chemical fibre non-woven fabrics layer and the internal fixed surface on activated carbon layer are connected, the surface on activated carbon layer and the internal fixed surface on glass fiber layer are connected.

Preferably, the top fixed mounting of screening case has the dust removal case, the inner chamber fixed mounting of dust removal case has the storage water tank, the inner chamber of dust removal case and the left fixed mounting who is located the storage water tank have the water pump.

Preferably, the right side intercommunication of water pump has the drinking-water pipe, the bottom of drinking-water pipe runs through the storage water tank and extends to the inside of storage water tank, the bottom intercommunication of drinking-water pipe has the outlet pipe.

Preferably, the bottom of outlet pipe runs through the screening case and extends to the inside of screening case, the bottom fixed mounting of outlet pipe has atomizer, the inner chamber of screening case and the below fixed mounting that is located a conveyer belt have the screen cloth.

Preferably, the right side of screen cloth runs through the screening case and extends to the outside of screening case, the bottom fixed mounting of screening case has the guide board, the bottom fixed mounting of guide board has the rose box.

Preferably, a baffle is fixedly installed in an inner cavity of the filter box, a motor is fixedly installed on the left side of the baffle, a rotating shaft is fixedly installed at an output end of the motor through a speed reducer, and a sliding groove is formed in the outer surface of the rotating shaft.

Preferably, the right side fixed mounting of baffle has the filter screen, the top movable mounting of filter screen has the scraper blade, the left side fixed mounting of scraper blade has the connecting rod, the left side of connecting rod runs through baffle and spout in proper order and extends to the outside of spout, the right side intercommunication of rose box has the drain pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a reduce coal washing equipment of sulphur content possesses following beneficial effect: the coal washing equipment for reducing the sulfur content can send the crushed coal into an ultrasonic wave sulfur removal box through a first conveyor belt, the ultrasonic transmitter starts to work to enable sulfur in coal to react, the air pump pumps the sulfur which becomes gas into the aeration tank from the communicating pipe through the air pumping pipe, the gas reacts with carbon disulfide in the aeration tank, the reacted gas is discharged from the gas filtering device through the gas outlet pipe, the coal after sulfur removal is transported to the screening tank through a first conveyor belt, coal falls onto the screen mesh, gangue and other stones in the coal are discharged from the screen mesh, the coal with small particles falls onto a second conveyor belt from the screen mesh and is transported out, the water in the water storage tank is sprayed out from the atomizing nozzle through the water pump, the floating coal dust in the screening tank is wetted and falls down, and falls onto the filter screen through the guide plate, the motor drives the rotating shaft to enable the connecting rod to move, and the connecting rod drives the scraper blade to scrape off coal on the filter screen and discharge the coal.

1. This coal washing equipment that reduces sulphur content takes place the reaction with carbon disulfide in the aspiration aeration tank with gas through the aspiration pump, and gas after the reaction discharges away from gas filtering device through the outlet duct to reach and purify the gas that the sulphur removal process produced and discharge away again, realized that the gas that contains sulphur can not the polluted environment, the staff can not inhale excessive toxic gas, has improved the security of during operation.

2. This reduce coal washing equipment of sulphur content, drive rotation axis through the motor and rotate, the rotation axis drives the connecting rod through the spout and moves, the connecting rod drives the scraper blade and clears away the filter screen, spout the water of storage water tank from atomizer through the water pump, the rethread is used with the cooperation of guide board, thereby reach and carry out the dust fall with the buggy in the screening case, the buggy that will fall is collected, the incident of dust explosion can not take place in the realization studio, the security when having improved equipment use.

Drawings

Fig. 1 is a front view of the external structure of the present invention.

Fig. 2 is a front view of the internal structure of the ultrasonic desulfurizing box of the present invention.

Fig. 3 is an exploded view of the gas filtering device of the present invention.

Fig. 4 is a front view of the internal structure of the screening box of the present invention.

Fig. 5 is a side view of the internal structure of the filtering box of the present invention.

In the figure: 1. an ultrasonic wave sulfur removal box; 2. a screening box; 3. a first conveyor belt; 4. a second conveyor belt; 5. an ultrasonic generator; 6. an air extraction box; 7. an air pump; 8. an air exhaust pipe; 9. a communicating pipe; 10. a gas reaction box; 11. an aeration tank; 12. an air outlet pipe; 13. a gas filtering device; 14. a chemical fiber non-woven layer; 15. an activated carbon layer; 16. a glass fiber layer; 17. a dust removal box; 18. a water storage tank; 19. a water pump; 20. a water pumping pipe; 21. a water outlet pipe; 22. an atomizing spray head; 23. screening a screen; 24. a guide plate; 25. a filter box; 26. a baffle plate; 27. a motor; 28. a rotating shaft; 29. a chute; 30. filtering with a screen; 31. a squeegee; 32. a connecting rod; 33. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a coal washing apparatus for reducing sulfur content comprises an ultrasonic desulfurization tank 1 and a screening tank 2, wherein a first conveyor belt 3 is fixedly installed in the inner cavities of the ultrasonic desulfurization tank 1 and the screening tank 2, the first conveyor belt 3 is electrically connected with an external power supply, the first conveyor belt 3 is controlled by a plc programming program, a second conveyor belt 4 is fixedly installed in the inner cavity of the screening tank 2 and below the first conveyor belt 3, the second conveyor belt 4 is electrically connected with the external power supply, the second conveyor belt 4 is controlled by the plc programming program, an ultrasonic generator 5 is fixedly installed on the inner wall of the ultrasonic desulfurization tank 1, the ultrasonic generator 5 is electrically connected with the external power supply, the ultrasonic generator 5 is controlled by the plc programming program, an air extraction tank 6 is fixedly installed on the top of the ultrasonic desulfurization tank 1, a pump 7 is fixedly installed in the inner cavity of the air extraction tank 6, and the air extraction pump 7 is electrically connected with the external power supply, the air pump 7 is controlled by a plc programming program, the right side of the air pump 7 is communicated with an air exhaust pipe 8, the bottom end of the air exhaust pipe 8 penetrates through the ultrasonic desulfurization tank 1 and extends to the inside of the ultrasonic desulfurization tank 1, the left side of the air pump 7 is communicated with a communicating pipe 9, the bottom of the ultrasonic desulfurization tank 1 is fixedly provided with a gas reaction tank 10, the inner cavity of the gas reaction tank 10 is fixedly provided with an aeration tank 11, carbon disulfide is stored in the aeration tank 11, the carbon disulfide is colorless liquid and can dissolve sulfur simple substance, the bottom end of the communicating pipe 9 sequentially penetrates through the air exhaust tank 6, the gas reaction tank 10 and the aeration tank 11 and extends to the inside of the aeration tank 11, the top of the aeration tank 11 is communicated with an air outlet pipe 12, the right side of the gas reaction tank 10 is fixedly provided with a gas filtering device 13, the gas filtering device 13 can treat and purify the reacted gas, the right end of the air outlet pipe 12 sequentially penetrates through the gas reaction tank 10 and the gas filtering device 13 and, the gas filtering device 13 comprises a chemical fiber non-woven layer 14, an activated carbon layer 15 and a glass fiber layer 16, the outer surface of the chemical fiber non-woven layer 14 is fixedly connected with the inner surface of the activated carbon layer 15, the outer surface of the activated carbon layer 15 is fixedly connected with the inner surface of the glass fiber layer 16, a dust removal box 17 is fixedly installed at the top of the screening box 2, a water storage tank 18 is fixedly installed in the inner cavity of the dust removal box 17, a water pump 19 is fixedly installed in the inner cavity of the dust removal box 17 and on the left side of the water storage tank 18, the water pump 19 is electrically connected with an external power supply, the water pump 19 is controlled by a plc programming program, a water pumping pipe 20 is communicated with the right side of the water pump 19, the bottom end of the water pumping pipe 20 penetrates through the water storage tank 18 and extends into the water storage tank 18, a water outlet pipe 21 is communicated with the bottom end, the inner chamber of screening case 2 and the below fixed mounting that is located a conveyer belt 3 have screen cloth 23, screen cloth 23's right side runs through screening case 2 and extends to the outside of screening case 2, the bottom fixed mounting of screening case 2 has guide board 24, the bottom fixed mounting of guide board 24 has rose box 25, the inner chamber fixed mounting of rose box 25 has baffle 26, the left side fixed mounting of baffle 26 has motor 27, motor 27 and external power supply electric connection, motor 27 receives plc programming program control, motor 27's output has rotation axis 28 through speed reducer fixed mounting, spout 29 is seted up to the surface of rotation axis 28, the right side fixed mounting of baffle 26 has filter screen 30, the top movable mounting of filter screen 30 has scraper blade 31, the left side fixed mounting of scraper blade 31 has connecting rod 32, the left side of connecting rod 32 runs through baffle 26 and spout 29 in proper order and extends to the outside of spout 29, the right side intercommunication of rose box 25 has drain.

The working principle is as follows: firstly, a user starts a machine, crushed coal enters an ultrasonic wave sulfur removal box 1 through a first conveyor belt 3, an ultrasonic wave transmitter starts to work to enable sulfur in the coal to react and further become gas, an air pump 7 pumps the gas sulfur from a communicating pipe 9 to an aeration box 11 through an air pumping pipe 8, the gas reacts with carbon disulfide in the aeration box 11, the reacted gas is discharged from a gas filtering device 13 through an air outlet pipe 12, the sulfur-removed coal is transported to a screening box 2 through the first conveyor belt 3 and falls onto a screen 23, because of the angle, stones such as gangue in the coal are discharged from the screen 23, the coal with small particles falls onto a second conveyor belt 4 from the screen 23 and is transported out, water in a water storage tank 18 is sprayed out from an atomization nozzle 22 through a water pump 19, and floating coal dust in the screening box 2 is wetted, and falls onto the screen 30 through the guide plate 24, the rotation shaft 28 is driven by the motor 27 to move the connecting rod 32, and the connecting rod 32 drives the scraper 31 to scrape off the coal on the screen 30.

To sum up, the coal washing equipment for reducing the sulfur content can enable pulverized coal to enter the ultrasonic sulfur removal tank 1 through the first conveyor belt 3, the ultrasonic transmitter starts to work to enable sulfur in the coal to react, the air pump 7 pumps the sulfur which becomes gas into the aeration tank 11 from the communicating pipe 9 through the air pumping pipe 8, the gas reacts with carbon disulfide in the aeration tank 11, the reacted gas is discharged from the gas filtering device 13 through the air outlet pipe 12, the coal which is subjected to sulfur removal is transported into the screening tank 2 through the first conveyor belt 3, the coal falls onto the screen 23, stones such as gangue and the like in the coal are discharged from the screen 23, the coal with small particles falls onto the second conveyor belt 4 from the screen 23, water in the water storage tank 18 is sprayed out from the atomizing nozzle 22 through the water pump 19, the floating pulverized coal in the screening tank 2 is wetted and falls onto the screen 30 through the guide plate 24, the motor 27 drives the rotating shaft 28 to move the connecting rod 32, and the connecting rod 32 drives the scraper 31 to scrape off and discharge coal on the screen 30.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a reduce coal washing equipment of sulphur content, includes ultrasonic wave sulphur removal case (1) and screening case (2), the equal fixed mounting in inner chamber of ultrasonic wave sulphur removal case (1) and screening case (2) has conveyer belt (3) No. one, the below fixed mounting that the inner chamber of screening case (2) just is located conveyer belt (3) has conveyer belt (4) No. two, the inner wall fixed mounting of ultrasonic wave sulphur removal case (1) has supersonic generator (5), its characterized in that: the top of the ultrasonic sulfur removal tank (1) is fixedly provided with an air extraction tank (6), the inner cavity of the air extraction tank (6) is fixedly provided with an air extraction pump (7), the right side of the air extraction pump (7) is communicated with an air extraction pipe (8), the bottom end of the air extraction pipe (8) penetrates through the ultrasonic sulfur removal tank (1) and extends to the inside of the ultrasonic sulfur removal tank (1), the left side of the air extraction pump (7) is communicated with a communicating pipe (9), the bottom of the ultrasonic sulfur removal tank (1) is fixedly provided with a gas reaction tank (10), the inner cavity of the gas reaction tank (10) is fixedly provided with an aeration tank (11), the bottom end of the communicating pipe (9) sequentially penetrates through the air extraction tank (6), the gas reaction tank (10) and the aeration tank (11) and extends to the inside of the aeration tank (11), the top of the aeration tank (11) is communicated with an air outlet pipe (12), the right side of the gas reaction tank (10) is fixedly provided with, the right-hand member of outlet duct (12) runs through gas reaction case (10) and gas filter equipment (13) in proper order and extends to the inside of gas filter equipment (13), gas filter equipment (13) include chemical fibre non-woven fabrics layer (14), activated carbon layer (15) and glass fiber layer (16), the surface of chemical fibre non-woven fabrics layer (14) and the internal surface fixed connection of activated carbon layer (15), the surface and the glass fiber layer (16) internal surface fixed connection of activated carbon layer (15).

2. The coal washing equipment for reducing the sulfur content according to claim 1, characterized in that: the top fixed mounting of screening case (2) has dust removal case (17), the inner chamber fixed mounting of dust removal case (17) has storage water tank (18), the inner chamber of dust removal case (17) and the left fixed mounting that is located storage water tank (18) have water pump (19).

3. The coal washing equipment for reducing the sulfur content according to claim 2, characterized in that: the right side intercommunication of water pump (19) has drinking-water pipe (20), the bottom of drinking-water pipe (20) runs through storage water tank (18) and extends to the inside of storage water tank (18), the bottom intercommunication of drinking-water pipe (20) has outlet pipe (21).

4. The coal washing equipment for reducing the sulfur content according to claim 3, characterized in that: the bottom of outlet pipe (21) runs through screening case (2) and extends to the inside of screening case (2), the bottom fixed mounting of outlet pipe (21) has atomizer (22), the inner chamber of screening case (2) and the below fixed mounting that is located a conveyer belt (3) have screen cloth (23).

5. The coal washing equipment for reducing the sulfur content according to claim 4, characterized in that: the right side of screen cloth (23) runs through screening case (2) and extends to the outside of screening case (2), the bottom fixed mounting of screening case (2) has guide board (24), the bottom fixed mounting of guide board (24) has rose box (25).

6. The coal washing equipment for reducing the sulfur content according to claim 5, characterized in that: the inner cavity of the filter box (25) is fixedly provided with a baffle (26), the left side of the baffle (26) is fixedly provided with a motor (27), the output end of the motor (27) is fixedly provided with a rotating shaft (28) through a speed reducer, and the outer surface of the rotating shaft (28) is provided with a sliding chute (29).

7. The coal washing equipment for reducing the sulfur content according to claim 6, characterized in that: the right side fixed mounting of baffle (26) has filter screen (30), the top movable mounting of filter screen (30) has scraper blade (31), the left side fixed mounting of scraper blade (31) has connecting rod (32), the outside that baffle (26) and spout (29) and extend to spout (29) is run through in proper order in the left side of connecting rod (32), the right side intercommunication of rose box (25) has drain pipe (33).

Images