CN220860970U

CN220860970U - Boiler tail gas desulfurization denitration dust collector

Info

Publication number: CN220860970U
Application number: CN202322657810.1U
Authority: CN
Inventors: 田兴那
Original assignee: Hebei Jilan Environmental Protection Technology Co ltd
Current assignee: Hebei Jilan Environmental Protection Technology Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-30
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to the technical field of boiler tail gas treatment and provides a boiler tail gas desulfurization, denitrification and dust removal device which comprises a box body, wherein strip-shaped grooves are formed in the left side and the right side of the box body, sliding grooves are formed in the front side and the rear side of the middle of an inner cavity of each strip-shaped groove, a square frame is detachably arranged in the inner cavity of each strip-shaped groove, a plurality of grooves are formed in the left side and the right side of the inner cavity of each square frame, springs are fixedly arranged at the bottoms of the inner cavities of the grooves, and connecting blocks are fixedly arranged at the tops of the springs; this boiler tail gas SOx/NOx control dust collector uses through square frame structure and filter plate structure's cooperation, and the during operation changes the filter plate in-process, and the rivers that contain impurity fall, utilizes the arc design of square frame inner chamber left and right sides for the rivers that fall all fall to the new square frame and the filter plate top of changing the in-process, avoid changing the unable filtration of waste water that contains impurity in-process, with this can change the filter plate in reaching the working process, improve work efficiency's effect.

Description

Boiler tail gas desulfurization denitration dust collector

Technical Field

The utility model relates to the technical field of boiler tail gas treatment, in particular to a boiler tail gas desulfurization, denitrification and dust removal device.

Background

In modern industrial production, a boiler is generally used for burning coal to generate heat, but harmful gas containing sulfur and nitrate is discharged into the atmosphere while the coal is burned, wherein sulfur dioxide and nitrogen oxides are gaseous pollutants with the greatest influence in the atmospheric pollution, the gaseous pollutants have great harm to human bodies, the environment and ecology, the problem of nitrogen oxide and sulfur dioxide emission is also more and more concerned with along with the increasing strictness of environmental protection requirements, and the tail gas generated by the boiler is required to be desulfurized and denitrated before being discharged into the atmosphere.

Through retrieval, chinese patent publication No. CN214468725U discloses a boiler tail gas desulfurization and denitrification integrated device, in the patent, through the dust removal cooling box that sets up, when tail gas filters through the rose box, enter into the dust removal cooling box, spray nozzle spray out water, spray the dust fall, and reach the purpose of cooling, sewage falls into first filter screen along the activated carbon plate, make activated carbon adsorb the dust, first filter screen filters the dust once more, the water after the filtration flows into the header tank, be convenient for cyclic utilization, this kind of mode makes the dust removal of tail gas and cooling combine together, manufacturing cost and equipment's volume have not only been reduced, and the efficiency of handling tail gas has been improved, second filter screen in the rose box, can filter the tail gas that the boiler body was arranged in the dust removal cooling box, through pulling out the bolt, slide off the apron, can follow the filter box and take out the second filter screen, the washing and the change of second filter screen have been made things convenient for.

However, when the device in the above patent works, the second filter screen and the first filter screen cannot be replaced in time in the use process, so that after a period of work, the filtering effect of the first filter screen and the second filter screen is reduced, the whole device is required to be stopped, and the first filter screen and the second filter screen can be replaced, so that the whole working efficiency is low.

Disclosure of utility model

The utility model provides a boiler tail gas desulfurization, denitrification and dedusting device which has the advantages that a filter plate can be replaced in the working process, and the working efficiency is improved, and the problems that the filter plate cannot be replaced in the working process and the working efficiency is affected in the related art are solved.

The technical scheme of the utility model is as follows: the utility model provides a boiler tail gas SOx/NOx control dust collector, includes the box, the bar groove has been seted up to the left and right sides of box, the spout has all been seted up to the front and back both sides at bar groove inner chamber middle part, square frame has been seted up to the inner chamber demountable installation in bar groove, a plurality of recesses have all been seted up to the left and right sides of square frame inner chamber, the inner chamber bottom fixed mounting of recess has the spring, the top fixed mounting of spring has the connecting block, the relative one side fixed mounting of left and right sides connecting block has the filter plate, a plurality of filtration pores have been seted up at the middle part of filter plate, the torsion axle has all been rotated to the left and right sides of box, the top fixed mounting of torsion axle has the connecting plate, the top fixed mounting of connecting plate has the baffle, one side fixed mounting that the box was kept away from to the baffle has the ring.

Preferably, the front side bottom fixed mounting of box has the drain pipe, and the bottom fixed mounting of box has a plurality of pillars, and the bottom fixed mounting of pillar has the rubber pad, and the bottom fixed mounting of box rear side has the observation window, and the left side fixed mounting at box top has the blast pipe, and the middle part fixed mounting at box top has the inlet tube, and the bottom fixed mounting of inlet tube has the shower nozzle, and a plurality of spouts have been seted up to the bottom and the surface of shower nozzle, and the right side top fixed mounting of box has the intake pipe.

Preferably, the shape of the front side and the rear side of the outer surface of the square frame are matched with the shape of the inner cavity of the sliding groove, and the shape of the front side and the rear side of the square frame are matched with the shape of the inner cavity of the strip-shaped groove, so that the square frame can be conveniently and detachably arranged in the inner cavity of the box body by utilizing the strip-shaped groove and the sliding groove when the box is used.

Preferably, the filter plate passes through connecting block and spring movable mounting at the middle part of square frame, and filter plate cross section's shape and box inner wall cross section's shape size phase-match to during the use, the rivers that spray mix with when impurity that exists in the waste gas falls to the filter plate top fast, pushes down the filter plate fast, utilizes the elasticity of spring, makes the filter plate shake from top to bottom, with this possibility that reduces impurity jam filtration pore.

Preferably, the filter holes are uniformly distributed in the middle of the filter plate, and the diameters of the inner cavities of the filter holes are sequentially reduced from top to bottom, so that when the filter plate is used, the filter effect of the filter plate is improved by gradually reducing the diameters of the inner cavities of the filter holes.

Preferably, the torsion shaft is arranged at the bottom of the strip-shaped groove, the shape of the baffle is matched with the shape of the inner cavity of the strip-shaped groove, so that when the box is used, the square frame is installed in the inner cavity of the box body by using the left baffle and the right baffle, and the baffle cannot be opened when no external force acts due to the cooperation of the torsion shaft.

Preferably, the bottom of drain pipe is higher than the bottom of box inner chamber, and the drain pipe passes through connecting pipe and water pump and is connected with the water tank that sets up near the box to when using, utilize water pump, connecting pipe and drain pipe to take out the waste water that the box bottom was accumulated to the water tank in reuse, because the bottom of drain pipe is higher than the bottom of box inner chamber, so the drain pipe can not take out the impurity of box inner chamber bottom deposit when drawing water.

Preferably, the rubber pad is made of synthetic rubber, the support posts and the rubber pad are uniformly distributed at the bottom of the box body, so that when the box is used, the rubber pad is used for improving the friction between the box body and the ground, the stability of the box body during operation is improved, and meanwhile, the shock absorption of the box body during operation is improved by the rubber material of the rubber pad.

Preferably, the bottom position of blast pipe is higher than the bottom of shower nozzle, and the blast pipe passes through the connecting pipe to be connected with SOx/NOx control machine, and the intake pipe passes through the connecting pipe to be connected with the boiler, and the top position of intake pipe is located the bottom of shower nozzle to during the use, utilize the intake pipe to introduce the box inner chamber with the waste gas that the boiler produced, cool down the impurity through shower nozzle water spray, carry out SOx/NOx control processing by the blast pipe introduction SOx/NOx control machine again.

Preferably, the water inlet pipe is connected with the water tank through the connecting pipe and the water pump, and the nozzle is uniformly arranged at the bottom and the side outer surface of the spray head, so that when the spray head is used, water flow from the inner cavity of the water inlet pipe can be uniformly sprayed in the inner cavity of the tank body when the spray head works by using the arrangement position of the nozzle.

The working principle and the beneficial effects of the utility model are as follows:

1. This boiler tail gas SOx/NOx control dust collector uses through square frame structure and filter plate structure's cooperation, and the during operation changes the filter plate in-process, and the rivers that contain impurity fall, utilizes the arc design of square frame inner chamber left and right sides for the rivers that fall all fall to the new square frame and the filter plate top of changing the in-process, avoid changing the unable filtration of waste water that contains impurity in-process, with this can change the filter plate in reaching the working process, improve work efficiency's effect.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the front appearance of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the present utility model from the left-hand bottom side view;

FIG. 3 is a schematic view of the top right side view of the overall structure of the present utility model;

FIG. 4 is a schematic view of the overall structure of the present utility model in a broken away;

FIG. 5 is a schematic view of the structure of FIG. 4A according to the present utility model;

FIG. 6 is a schematic diagram of the structure of FIG. 4B according to the present utility model;

fig. 7 is a schematic view of the structure of fig. 4 at C according to the present utility model.

In the figure: 1. a case; 2. a bar-shaped groove; 3. a chute; 4. a square frame; 5. a groove; 6. a spring; 7. a connecting block; 8. a filter plate; 9. filtering holes; 10. a torsion shaft; 11. a connecting plate; 12. a baffle; 13. a circular ring; 14. a drain pipe; 15. a support post; 16. a rubber pad; 17. an observation window; 18. an exhaust pipe; 19. a water inlet pipe; 20. a spray head; 21. a spout; 22. and an air inlet pipe.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a boiler tail gas desulfurization, denitrification and dust removal device comprises a box body 1, wherein strip-shaped grooves 2 are formed in the left side and the right side of the box body 1, sliding grooves 3 are formed in the front side and the rear side of the middle of the inner cavity of the strip-shaped grooves 2, square frames 4 are detachably arranged in the inner cavity of the strip-shaped grooves 2, the front side and the rear side of the outer surface of the square frames 4 are matched with the inner cavity of the sliding grooves 3, the front side and the rear side of the square frames 4 are matched with the inner cavity of the strip-shaped grooves 2, when the boiler tail gas desulfurization, denitrification and dust removal device is used, the strip-shaped grooves 2 and the sliding grooves 3 are utilized to facilitate the detachable installation of the square frames 4 in the inner cavity of the box body 1, a plurality of grooves 5 are formed in the left side and the right side of the inner cavity of the square frames 4, springs 6 are fixedly installed at the bottoms of the inner cavities of the grooves 5, connecting blocks 7 are fixedly installed at the tops of the springs 6, filter plates 8 are fixedly installed at the opposite sides of the left side and right side of the connecting blocks 7, the filter plate 8 is movably arranged in the middle of the square frame 4 through the connecting block 7 and the spring 6, the shape of the cross section of the filter plate 8 is matched with the shape and size of the cross section of the inner wall of the box body 1, so that when the filter plate 8 is quickly pressed down when impurities in sprayed water mixed with waste gas fall to the top of the filter plate 8, the filter plate 8 vibrates up and down by utilizing the elasticity of the spring 6, the possibility that the filter plate 8 is blocked by the impurities is reduced, the middle of the filter plate 8 is provided with a plurality of filter holes 9, the filter holes 9 are uniformly distributed in the middle of the filter plate 8, the diameters of the inner cavities of the filter holes 9 are sequentially reduced from top to bottom, and therefore, when the filter plate is used, the filter effect of the filter plate 8 is improved by gradually reducing the diameters of the inner cavities of the filter holes 9, torsion shafts 10 are rotatably arranged at the left side and the right side of the box body 1, the torsion shafts 10 are arranged at the bottom of the strip-shaped groove 2, the shape of the baffle 12 is matched with the inner cavity of the strip-shaped groove 2, and when the filter plate is used, the square frame 4 is arranged in the inner cavity of the box body 1 by utilizing the left baffle plate 12 and the right baffle plate 12, the baffle plate 12 can not be opened when no external force acts on the square frame by matching with the torsion shaft 10, the connecting plate 11 is fixedly arranged at the top of the torsion shaft 10, the baffle plate 12 is fixedly arranged at the top of the connecting plate 11, the circular ring 13 is fixedly arranged at one side of the baffle plate 12 far away from the box body 1, the drain pipe 14 is fixedly arranged at the bottom of the front side of the box body 1, the bottom of the drain pipe 14 is higher than the bottom of the inner cavity of the box body 1, the drain pipe 14 is connected with a water tank arranged near the box body 1 through a connecting pipe and a water pump, so that when in use, waste water accumulated at the bottom of the box body 1 is pumped out to the water tank by utilizing the water pump, the connecting pipe and the drain pipe 14, and the bottom of the drain pipe 14 is higher than the bottom of the inner cavity of the box body 1, so that impurities deposited at the bottom of the inner cavity of the box body 1 can not be pumped out when the drain pipe 14 is fixedly arranged at the bottom of the box body 1, the rubber pad 16 is fixedly arranged at the bottom of the supporting column 15, the rubber pad 16 is made of synthetic rubber, the supporting column 15 and the rubber pad 16 are uniformly distributed at the bottom of the box body 1, so that when the box body 1 is used, the rubber pad 16 is used for improving the friction force between the box body 1 and the ground, the stability of the box body 1 in operation is improved, meanwhile, the rubber pad 16 is used for improving the shock absorption of the box body 1 in operation, the observation window 17 is fixedly arranged at the bottom of the rear side of the box body 1, the exhaust pipe 18 is fixedly arranged at the left side of the top of the box body 1, the bottom position of the exhaust pipe 18 is higher than the bottom of the spray head 20, the exhaust pipe 18 is connected with a desulfurization and denitrification machine through a connecting pipe, the air inlet pipe 22 is connected with a boiler through the connecting pipe, the top position of the air inlet pipe 22 is positioned at the bottom of the spray head 20, and when the box body 1 is used, waste gas generated by the boiler is guided into the inner cavity of the box body 1 through the air inlet pipe 22, the water is sprayed to cool and remove impurities through the spray head 20, then the water is led into the desulfurization and denitration machine through the exhaust pipe 18 to be subjected to desulfurization and denitration treatment, the middle part of the top of the box body 1 is fixedly provided with the water inlet pipe 19, the bottom of the water inlet pipe 19 is fixedly provided with the spray head 20, the bottom and the outer surface of the spray head 20 are provided with a plurality of spray nozzles 21, the water inlet pipe 19 is connected with the water tank through connecting pipes and water pumps, the spray nozzles 21 are uniformly arranged on the bottom and the outer surface of the side edges of the spray head 20, therefore, when the desulfurization and denitration machine is used, the spray head 20 can uniformly spray water flow from the inner cavity of the water inlet pipe 19 into the inner cavity of the box body 1 by utilizing the arrangement position of the spray nozzles 21, and the right side top of the box body 1 is fixedly provided with the air inlet pipe 22.

Working principle: when the desulfurization and denitrification device is in operation, firstly, the air inlet pipe 22 is connected with the boiler by using the connecting pipe, the exhaust pipe 18 is connected with the desulfurization and denitrification device by using the connecting pipe, the water outlet pipe 14 is connected with the water tank by using the connecting pipe and the water pump, the water inlet pipe 19 is connected with the water tank by using the connecting pipe and the water pump, then the water pump is started, the waste gas generated by the boiler enters the inner cavity of the box body 1 through the connecting pipe and the air inlet pipe 22, at the moment, the spray nozzle 20 is started, water flow from the water inlet pipe 19 is uniformly sprayed on the inner cavity of the box body 1 through the spray nozzle 21, the position of the spray nozzle 20 is higher than the position of the air inlet pipe 22, and the position of the spray nozzle 20 is lower than the position of the exhaust pipe 18, so that the waste gas entering the inner cavity of the box body 1 can be sprayed and washed by the water flow from the spray nozzle 20, cooled and purified, and then the waste gas is led into the desulfurization and denitrification device by the exhaust pipe 18 for desulfurization and denitrification treatment;

Meanwhile, the water sprayed by the spray head 20 is mixed with impurities in waste gas and falls to the top of the filter plate 8 at the bottom, the filter plate 8 is movably arranged in the inner cavity of the square frame 4 and the inner cavity diameter of the filter hole 9 from top to bottom, the filtering effect of the filter plate 8 on the impurities is improved, the possibility that the filter hole 9 is blocked by the impurities is reduced, after a period of time, the filter hole 9 is blocked by partial impurities, the filtering effect of the filter plate 8 is reduced, at the moment, two workers simultaneously manually stretch the circular rings 13 at the left side and the right side, rotate the left baffle 12 and the right baffle plate 12, so that the left and the right strip-shaped grooves 2 are opened, then one worker pushes the square frame 4 with the new filter plate 8 from one side strip-shaped groove 2 to the other side strip-shaped groove 2, so that the square frame 4 and the filter plate 8 are replaced, the water containing the impurities falls down in the replacement process, and the fallen water flow falls to the top of the new square frame 4 and the filter plate 8 in the replacement process is avoided.

In summary, compared with the common similar devices, the device for desulfurizing, denitrating and dedusting the tail gas of the boiler has the advantages that the filter plate 8 can be replaced in the working process, and the working efficiency is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a boiler tail gas desulfurization denitration dust collector, a serial communication port, including box (1), bar groove (2) have been seted up to the left and right sides of box (1), spout (3) have all been seted up to the front and back both sides at bar groove (2) inner chamber middle part, square frame (4) have been dismantled to the inner chamber of bar groove (2), a plurality of recess (5) have all been seted up to the left and right sides of square frame (4) inner chamber, the inner chamber bottom fixed mounting of recess (5) has spring (6), the top fixed mounting of spring (6) has connecting block (7), the opposite side fixed mounting of connecting block (7) has filter plate (8) about, a plurality of filtration pores (9) have been seted up at the middle part of filter plate (8), torsion axle (10) have all been rotated to the left and right sides of box (1), the top fixed mounting of torsion axle (10) has connecting plate (11), the top fixed mounting of connecting plate (11) has baffle (12), one side fixed mounting that baffle (12) kept away from box (1) has ring (13).

2. The boiler tail gas desulfurization and denitrification dust removal device according to claim 1, wherein a drain pipe (14) is fixedly installed at the bottom of the front side of the box body (1), a plurality of support posts (15) are fixedly installed at the bottom of the box body (1), a rubber pad (16) is fixedly installed at the bottom of the support posts (15), an observation window (17) is fixedly installed at the bottom of the rear side of the box body (1), an exhaust pipe (18) is fixedly installed at the left side of the top of the box body (1), a water inlet pipe (19) is fixedly installed at the middle part of the top of the box body (1), a spray nozzle (20) is fixedly installed at the bottom of the water inlet pipe (19), a plurality of spray nozzles (21) are formed in the bottom and the outer surface of the spray nozzle (20), and an air inlet pipe (22) is fixedly installed at the top of the right side of the box body (1).

3. The boiler tail gas desulfurization and denitrification dust removal device according to claim 1, wherein the shapes of the front side and the rear side of the outer surface of the square frame (4) are matched with the shape of the inner cavity of the sliding groove (3), and the shapes of the front side and the rear side of the square frame (4) are matched with the shape of the inner cavity of the strip-shaped groove (2).

4. The boiler tail gas desulfurization and denitrification dust removal device according to claim 1, wherein the filter plate (8) is movably arranged in the middle of the square frame (4) through the connecting block (7) and the spring (6), and the shape of the cross section of the filter plate (8) is matched with the shape and the size of the cross section of the inner wall of the box body (1).

5. The boiler tail gas desulfurization and denitrification dust removal device according to claim 1, wherein the filter holes (9) are uniformly distributed in the middle of the filter plate (8), and the diameters of the inner cavities of the filter holes (9) are sequentially reduced from top to bottom.

6. The boiler tail gas desulfurization and denitrification dust removal device according to claim 1, wherein the torsion shaft (10) is arranged at the bottom of the strip-shaped groove (2), and the shape of the baffle plate (12) is matched with the shape of the inner cavity of the strip-shaped groove (2).

7. The boiler tail gas desulfurization and denitrification dust removal device according to claim 2, wherein the bottom of the drain pipe (14) is higher than the bottom of the inner cavity of the box body (1), and the drain pipe (14) is connected with a water tank arranged near the box body (1) through a connecting pipe and a water pump.

8. The boiler tail gas desulfurization and denitrification dust removal device according to claim 2, wherein the rubber pad (16) is made of synthetic rubber, and the support posts (15) and the rubber pad (16) are uniformly distributed at the bottom of the box body (1).

9. The boiler tail gas desulfurization and denitrification dust removal device according to claim 2, wherein the bottom position of the exhaust pipe (18) is higher than the bottom of the spray head (20), the exhaust pipe (18) is connected with the desulfurization and denitrification machine through a connecting pipe, the air inlet pipe (22) is connected with the boiler through a connecting pipe, and the top position of the air inlet pipe (22) is located at the bottom of the spray head (20).

10. The boiler tail gas desulfurization and denitrification dust removal device according to claim 2, wherein the water inlet pipe (19) is connected with the water tank through a connecting pipe and a water pump, and the nozzles (21) are uniformly arranged on the bottom and the outer surfaces of the side edges of the spray head (20).