CN215723315U

CN215723315U - Coal fired power plant desulfurizing tower slurry recovery system with flue gas waste heat recovery function

Info

Publication number: CN215723315U
Application number: CN202122072823.3U
Authority: CN
Inventors: 朱崇田; 刘鑫
Original assignee: Qingdao Langhui Energy Saving Service Co ltd
Current assignee: Qingdao Langhui Energy Saving Service Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-01
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of desulfurizing towers, and discloses a slurry recovery system of a desulfurizing tower of a coal-fired power plant for recovering flue gas waste heat. According to the utility model, by arranging the water pump, the round block, the movable block and the water filtering groove, due to the design of the water pump, slurry can be extracted from the inside of the desulfurization tower body through the water pumping port, meanwhile, due to the matching between the water filtering groove and the water delivery port, the water delivery port can be rotated to be separated from the inside of the water filtering groove, and at the moment, due to the matching between the round shaft and the handle, the handle can drive the movable block to move up and down along the outer surface of the round shaft, so that the movable block is separated from the water filtering groove, and an operator can conveniently detach the water filtering groove to clean the inside, and further can recycle the water.

Description

Coal fired power plant desulfurizing tower slurry recovery system with flue gas waste heat recovery function

Technical Field

The utility model belongs to the technical field of desulfurizing towers, and particularly relates to a slurry recycling system of a desulfurizing tower of a coal-fired power plant for recycling flue gas waste heat.

Background

The desulfurizing tower is tower equipment for desulfurizing industrial waste gas, and is the most widely used desulfurizing tower built by granite and named granite water film desulfurizing dust remover.

At present, when an enterprise needs to treat flue gas, a desulfurizing tower is often needed, and although the basic purpose of purifying the flue gas can be achieved in the actual use process of the existing desulfurizing tower, the existing desulfurizing tower does not have the effect of filtering and recycling the inside slurry, so that an operator needs to perform secondary treatment on the slurry, and the labor intensity of the operator is improved.

Meanwhile, in the actual use process of the existing desulfurizing tower, the emitted flue gas will have residual heat, and the existing desulfurizing tower does not have the function of recovering the waste heat of the flue gas, so that the waste of the existing resources is caused, and the improvement on the existing desulfurizing tower is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a slurry recovery system of a desulfurization tower of a coal-fired power plant for recovering flue gas waste heat, which has the advantages of capability of recycling slurry and capability of recovering flue gas waste heat.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a coal fired power plant desulfurizing tower thick liquid recovery system of flue gas waste heat recovery, includes the base, the top fixed mounting of base has desulphurization unit, the top fixed mounting on base right side has the water pump, the fixed intercommunication in top of water pump has the long tube, the water valve has been cup jointed in the right side activity of long tube, the fixed intercommunication in bottom of long tube has the disk, the top fixed mounting of disk has the mount, the inside fixed mounting of mount has the circle axle, the surface activity of circle axle has cup jointed the handle, the bottom fixed mounting of handle has the movable block, the surface activity of circle axle has cup jointed the flexible spring who is located between mount and handle, the both ends of flexible spring respectively with mount and handle fixed connection, because the design of flexible spring for the handle has good elasticity reset performance, flexible spring is the compression state this moment, therefore, elasticity can be applied to the handle, so that the movable block and the water filtering groove can be matched more tightly, a hollow block is fixedly arranged inside the desulfurizing tower body, and the bottom of the hollow block is fixedly communicated with a water spraying opening.

As a preferred technical scheme of the utility model, the desulfurization device comprises a desulfurization tower body, the desulfurization tower body is fixedly connected with a base, the left side of the desulfurization tower body is respectively provided with a smoke inlet, a slurry port and an oxidation air port, the right side of the desulfurization tower body is provided with a water inlet, a gypsum discharge port, a water pumping port, a water guide port and a water delivery port, and the other end of the water pumping port is fixedly communicated with a water pump.

As a preferred technical scheme of the utility model, the other end of the water delivery port is in threaded sleeve connection with a water filtering groove, a filter screen is arranged in the water filtering groove, the water filtering groove is movably sleeved with the movable block, waste residue flowing out of the long pipe can be filtered due to the design of the water filtering groove, and meanwhile, the water filtering groove can be detached due to the matching between the water delivery port and the water filtering groove, so that the filter screen in the water filtering groove can be conveniently cleaned.

As a preferred technical scheme of the utility model, the top of the desulfurizing tower body is fixedly communicated with a smoke exhaust pipe, the other end of the smoke exhaust pipe is fixedly communicated with a heat recovery device, and due to the design of the heat recovery device, the residual heat of the smoke can be recovered, so that the resources are effectively saved.

As a preferred technical scheme of the present invention, the front surface of the heat recovery device is respectively and fixedly communicated with a water inlet pipe and a water outlet pipe, a curved pipe located inside the heat recovery device is fixedly communicated between the water inlet pipe and the water outlet pipe, and due to the design of the curved pipe, heat inside the heat recovery device can be absorbed.

As a preferred technical scheme of the utility model, a metal plate is fixedly installed inside the heat recovery device, the metal plate is fixedly connected with the curved tube, the top of the heat recovery device is fixedly communicated with a smoke outlet, and due to the design of the metal plate, the emission speed of smoke inside the heat recovery device can be reduced, so that the resource utilization is more sufficient.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the water pump, the round block, the movable block and the water filtering groove, due to the design of the water pump, slurry can be extracted from the inside of the desulfurization tower body through the water pumping port, meanwhile, due to the matching between the water filtering groove and the water delivery port, the water delivery port can be rotated to be separated from the inside of the water filtering groove, and at the moment, due to the matching between the round shaft and the handle, the handle can drive the movable block to move up and down along the outer surface of the round shaft, so that the movable block is separated from the water filtering groove, and an operator can conveniently detach the water filtering groove to clean the inside, and further can recycle the water.

2. According to the utility model, through arranging the heat recovery device, the water inlet pipe, the curved pipe, the water outlet pipe and the metal plate, due to the matching among the water inlet pipe, the curved pipe and the water outlet pipe, water flow can flow in from the water inlet pipe and is discharged from the water outlet pipe through the curved pipe, so that heat in the heat recovery device can be recovered, and meanwhile, due to the design of the metal plate, the emission speed of smoke in the heat recovery device can be reduced, so that the resource utilization is more sufficient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the front side of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1A;

FIG. 4 is a schematic view of the process flow structure of the present invention.

In the figure: 1. a base; 2. a desulfurization unit; 200. a desulfurizing tower body; 201. a smoke inlet; 202. a slurry port; 203. an oxidizing air port; 204. a water inlet; 205. a gypsum outlet; 206. a water pumping port; 207. a water guide port; 208. a water delivery port; 3. a water pump; 4. a long tube; 5. a water valve; 6. a round block; 7. a fixed mount; 8. a circular shaft; 9. a handle; 10. a flexible spring; 11. a movable block; 12. a water filtering tank; 13. a smoke exhaust pipe; 14. a heat recovery device; 15. a water inlet pipe; 16. a curved tube; 17. a water outlet pipe; 18. a metal plate; 19. a smoke outlet; 20. a hollow block; 21. and a water spraying opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the utility model provides a slurry recycling system of a desulfurization tower of a coal-fired power plant for recycling flue gas waste heat, which comprises a base 1, wherein a desulfurization device 2 is fixedly installed at the top of the base 1, a water pump 3 is fixedly installed at the top of the right side of the base 1, a long pipe 4 is fixedly communicated with the top end of the water pump 3, a water valve 5 is movably sleeved at the right side of the long pipe 4, a round block 6 is fixedly communicated with the bottom of the long pipe 4, a fixed frame 7 is fixedly installed at the top of the round block 6, a round shaft 8 is fixedly installed inside the fixed frame 7, a handle 9 is movably sleeved on the outer surface of the round shaft 8, a movable block 11 is fixedly installed at the bottom of the handle 9, a flexible spring 10 positioned between the fixed frame 7 and the handle 9 is movably sleeved on the outer surface of the round shaft 8, two ends of the flexible spring 10 are respectively fixedly connected with the fixed frame 7 and the handle 9, and due to the design of the flexible spring 10, the handle 9 has good elastic resetting performance, at this time, the flexible spring 10 is in a compressed state, and therefore, an elastic force is applied to the handle 9, so that the movable block 11 and the water filtering groove 12 are more tightly matched, the hollow block 20 is fixedly installed inside the desulfurizing tower body 200, and the bottom of the hollow block 20 is fixedly communicated with the water spraying opening 21.

Wherein, desulphurization unit 2 is including desulfurizing tower body 200, desulfurizing tower body 200 and base 1 fixed connection, smoke inlet 201 has been seted up respectively in the left side of desulfurizing tower body 200, thick liquid mouth 202 and oxidation air mouth 203, water inlet 204 has been seted up on the right side of desulfurizing tower body 200, gypsum discharge port 205, draw water mouth 206, water guide mouth 207 and water delivery mouth 208, the other end and the fixed intercommunication of water pump 3 of drawing water mouth 206, because desulphurization unit 2's operation, can carry out desulfurization treatment to industrial waste gas, thereby reduce the pollution of industrial waste gas to the environment.

Wherein, the other end screw thread of water delivery port 208 has cup jointed water filtering tank 12, and the inside of water filtering tank 12 is equipped with the filter screen, and water filtering tank 12 cup joints with the activity of movable block 11, because water filtering tank 12's design for can filter the waste residue that flows out from long tube 4, simultaneously because the cooperation between water delivery port 208 and the water filtering tank 12, make and to dismantle water filtering tank 12, thereby the convenient filter screen to inside cleans.

Wherein, the top of desulfurizing tower body 200 is fixed the intercommunication has the pipe 13 of discharging fume, and the other end of the pipe 13 of discharging fume is fixed the intercommunication has heat reclamation device 14, because heat reclamation device 14's design for can retrieve the surplus heat of flue gas, the effectual resource of having saved.

Wherein, the front of heat reclamation device 14 is fixed the intercommunication respectively has inlet tube 15 and outlet pipe 17, and fixed intercommunication has the curved pipe 16 that is located heat reclamation device 14 inside between inlet tube 15 and the outlet pipe 17, because the design of curved pipe 16, can absorb the heat of heat reclamation device 14 inside.

Wherein, heat reclamation device 14's inside fixed mounting has metal sheet 18, metal sheet 18 and curved venturi tube 16 fixed connection, and heat reclamation device 14's top is fixed to be communicated with has outlet 19, because metal sheet 18's design, can make the inside flue gas of heat reclamation device 14 give off speed and reduce to make more abundant to resource utilization.

The working principle and the using process of the utility model are as follows:

firstly, an operator can introduce flue gas, slurry and liquefied air into the inside of the desulfurization tower body 200 through the flue gas inlet 201, the slurry port 202 and the oxidation air port 203 respectively, then the water pump 3 is started, the slurry in the inside of the desulfurization tower body 200 can be pumped through the water pumping port 206 due to the operation of the water pump 3, the slurry flows into the water filtering tank 12 through the long pipe 4 and is finally sprayed out from the water spraying port 21, and meanwhile, due to the matching between the circular shaft 8 and the handle 9, the handle 9 can drive the movable block 11 to move up and down along the outer surface of the circular shaft 8, so that the movable block 11 is separated from the water filtering tank 12, the disassembly of the water filtering tank 12 by the operator is facilitated, the inside of the water filtering tank 12 is cleaned, and the water filtering tank can be recycled;

afterwards, the flue gas will be discharged from the smoke exhaust pipe 13 and flow into the heat recovery device 14, then the operator can insert water flow from the water inlet pipe 15, at this moment, the water flow will be discharged from the water outlet pipe 17 through the curved pipe 16, so that the heat inside the heat recovery device 14 can be recovered, and simultaneously, due to the design of the metal plate 18, the flue gas emission speed inside the heat recovery device 14 can be reduced, so that the resource utilization is more sufficient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal fired power plant desulfurizing tower thick liquid recovery system of flue gas waste heat recovery, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a desulphurization device (2), the top of the right side of the base (1) is fixedly provided with a water pump (3), a long pipe (4) is fixedly communicated with the top end of the water pump (3), a water valve (5) is movably sleeved on the right side of the long pipe (4), the bottom of the long pipe (4) is fixedly communicated with a round block (6), the top of the round block (6) is fixedly provided with a fixed frame (7), a round shaft (8) is fixedly arranged in the fixed frame (7), a handle (9) is movably sleeved on the outer surface of the round shaft (8), a movable block (11) is fixedly arranged at the bottom of the handle (9), a flexible spring (10) positioned between the fixed frame (7) and the handle (9) is movably sleeved on the outer surface of the round shaft (8), two ends of the flexible spring (10) are respectively and fixedly connected with the fixed frame (7) and the handle (9).

2. The system for recovering the slurry of the desulfurization tower of the coal-fired power plant by recovering the waste heat of the flue gas as claimed in claim 1, is characterized in that: desulphurization unit (2) is including desulfurizing tower body (200), desulfurizing tower body (200) and base (1) fixed connection, the inside fixed mounting of desulfurizing tower body (200) has hollow block (20), the fixed intercommunication in bottom of hollow block (20) has water jet (21), inlet flue (201), thick liquid mouth (202) and oxidation air mouth (203) have been seted up respectively in the left side of desulfurizing tower body (200), water inlet (204), gypsum discharge port (205), mouth (206), water guide mouth (207) and water delivery mouth (208) have been seted up on the right side of desulfurizing tower body (200), the other end and the fixed intercommunication of water pump (3) of mouth (206) draw water.

3. The system for recovering the slurry of the desulfurization tower of the coal-fired power plant by recovering the waste heat of the flue gas as claimed in claim 2, characterized in that: the other end of the water delivery port (208) is in threaded sleeve connection with a water filtering groove (12), a filter screen is arranged in the water filtering groove (12), and the water filtering groove (12) is movably sleeved with the movable block (11).

4. The system for recovering the slurry of the desulfurization tower of the coal-fired power plant by recovering the waste heat of the flue gas as claimed in claim 2, characterized in that: the top of the desulfurizing tower body (200) is fixedly communicated with a smoke exhaust pipe (13), and the other end of the smoke exhaust pipe (13) is fixedly communicated with a heat recovery device (14).

5. The system for recovering the slurry of the desulfurization tower of the coal-fired power plant by recovering the waste heat of the flue gas as claimed in claim 4, is characterized in that: the front surface of the heat recovery device (14) is respectively fixedly communicated with a water inlet pipe (15) and a water outlet pipe (17), and a curved pipe (16) positioned inside the heat recovery device (14) is fixedly communicated between the water inlet pipe (15) and the water outlet pipe (17).

6. The system for recovering the slurry of the desulfurization tower of the coal-fired power plant by recovering the waste heat of the flue gas as claimed in claim 4, is characterized in that: the inside fixed mounting of heat reclamation device (14) has metal sheet (18), metal sheet (18) and bent shape pipe (16) fixed connection, the top of heat reclamation device (14) is fixed the intercommunication has outlet flue (19).