CN218890377U

CN218890377U - Desulfurization and denitrification equipment for flue gas duct of factory

Info

Publication number: CN218890377U
Application number: CN202320147664.5U
Authority: CN
Inventors: 田培杉
Original assignee: Hebei Kaite Environmental Engineering Co ltd
Current assignee: Hebei Kaite Environmental Engineering Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-04-21
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses desulfurization and denitrification equipment for a factory flue, which relates to the technical field of flue gas purification and comprises a processing component and a dehydration plate, wherein the inner wall of the processing component is fixedly connected with the back surface of the dehydration plate, the processing component comprises a processing box, the inner wall of the processing box is fixedly connected with the back surface of the dehydration plate, one side of the processing box is provided with a flue gas inlet hole, the top of the processing box is fixedly inserted with a flue gas exhaust pipe, and the top of the processing box is fixedly connected with a processing water tank. According to the utility model, smoke discharged from a factory enters the treatment box through the smoke inlet hole for treatment, after the smoke enters, the water pump in the alkaline desulfurization cavity discharges slurry prepared from sodium hydroxide into the porous pipe through the drain pipe, the booster pump pressurizes the slurry in the discharging process, and finally the slurry is sprayed out through the spray head and mixed with the factory smoke, and sulfur dioxide is changed into acid when meeting water, and reacts with the sodium hydroxide slurry to produce calcium carbonate, so that the desulfurization effect is achieved.

Description

Desulfurization and denitrification equipment for flue gas duct of factory

Technical Field

The utility model relates to the technical field of flue gas purification, in particular to desulfurization and denitrification equipment for a flue gas channel of a factory.

Background

The flue gas desulfurization and denitrification technology is a boiler flue gas purification technology applied to the chemical industry for generating multiple nitrogen oxides and sulfur oxides. Nitrogen oxides, sulfur oxides are one of the major sources of air pollution, so the application of this technology has considerable benefits for environmental air purification. The prior known flue gas desulfurization and denitrification technology comprises PAFP, ACFP, pyrolusite method, electron beam ammonia method, pulse corona method, gypsum wet method, catalytic oxidation method, microorganism degradation method and the like.

For example, the disclosure of chinese patent publication No. CN110252134B discloses a desulfurization and denitration device for flue gas duct of factory, and the surface of arc-shaped tube and air dispersing tube in the heat adsorption device is equipped with desulfurization catalytic plate, so that it is convenient for react with sulfide in flue gas, and the arc-shaped tube is set into oval channel and air dispersing tube and is set into crooked pipeline, and the area of contact between flue gas and arc-shaped tube and air dispersing tube is increased, so that desulfurization reaction is more sufficient, and the desulfurization speed of the desulfurization and denitration device for flue gas duct of factory is improved.

However, the above-mentioned patent has the following disadvantages that in the course of desulfurization and denitrification, the ammonia water used and flue gas can not be reused after being mixed, and the uniform treatment and discharge are needed, and after being mixed, the pollution source with larger pollution is produced, and the above-mentioned patent does not have a good treatment mode for the ammonia water of desulfurization and denitrification; and the arc adsorption plate that uses can't change, can not handle it after making its efficiency reduce for a long time use.

Disclosure of Invention

The utility model provides desulfurization and denitrification equipment for a flue gas duct of a factory, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a mill flue gas flue SOx/NOx control equipment, includes processing subassembly and dehydration board, the inner wall of processing subassembly and the back fixed connection of dehydration board, processing subassembly includes the processing case, the inner wall of processing case and the back fixed connection of dehydration board, the flue gas access hole has been seted up to one side of processing case, the fixed grafting in top of processing case has the tobacco pipe of discharging fume, the top fixedly connected with processing tank of processing case, the bottom fixedly connected with waste water tank of processing case, the inside of waste water tank just is located the bottom fixed grafting of processing case has the waste water pipe, the inner wall fixed mounting of waste water pipe has the trap, the front movable mounting of processing case has the operation chamber door, the dehydration board includes the mount, the back of mount and the inner wall fixed connection of processing case, the spout has been seted up to the upper and lower both ends inboard of mount, the fixed slot has been seted up to the inboard of mount, the inner wall sliding connection of spout has the support body.

The technical scheme of the utility model is further improved as follows: the inner wall fixedly connected with baffle of processing water tank, the inside of processing water tank just is located the left side of baffle and has seted up alkaline desulfurization chamber, the inside of processing water tank just is located the right side of baffle and has seted up the ammonia water cavity.

The technical scheme of the utility model is further improved as follows: the inner wall of the alkaline desulfurization cavity and the inner wall of the ammonia water cavity are fixedly provided with water pumps, the output ends of the water pumps are fixedly connected with drain pipes, and the surfaces of the drain pipes are fixedly spliced with the inside of the treatment box.

The technical scheme of the utility model is further improved as follows: the outer wall of the drain pipe is fixedly provided with a booster pump, the end part of the drain pipe is fixedly connected with a perforated pipe, and the end part of the perforated pipe is fixedly connected with a spray head.

The technical scheme of the utility model is further improved as follows: the top fixedly connected with slide rail of support body, the surface of slide rail and the inner wall sliding connection of spout, the tip fixedly connected with fixture block of support body, the surface and the inner wall swing joint of fixed slot of fixture block.

The technical scheme of the utility model is further improved as follows: the inner side of the frame body is fixedly provided with a dehydration inner plate, and the other end of the frame body is fixedly connected with a handle.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a desulfurization and denitrification device for a flue gas channel of a factory, which adopts the cooperation of a treatment assembly, a treatment box, a flue gas inlet hole, a treatment water tank, an alkaline desulfurization cavity, an ammonia water cavity, a partition plate, a water pump, a drain pipe, a booster pump, a perforated pipe, a spray head, a waste water pipe, a drain valve, a waste water tank, a smoke exhaust pipe and an operation box door, wherein the flue gas discharged from the factory enters the treatment box through the flue gas inlet hole for treatment, after the flue gas enters, a water pump in the alkaline desulfurization cavity discharges slurry made of sodium hydroxide into the perforated pipe through the drain pipe, the booster pump pressurizes the slurry in the discharge process, finally the slurry is sprayed out through the spray head and mixed with the flue gas of the factory, sulfur dioxide is changed into acid, reacts with the sodium hydroxide slurry to produce calcium carbonate, the effect of ammonia water is achieved, the flue gas of the factory is subjected to denitrification through the same operation, the desulfurization and denitrification process is carried out synchronously, the waste liquid generated by desulfurization and denitrification is discharged into the waste water tank through the waste water pipe for unified collection treatment, the flue gas is not always existing in the treatment box, and the drain valve in the flue gas can furthest automatically prevent leakage of the flue gas, and the flue gas can reach the standard after desulfurization and denitrification.

2. The utility model provides a desulfurization and denitrification device for a flue gas duct of a factory, which adopts the cooperation of a dehydration plate, a fixing frame, a sliding groove, a sliding rail, a clamping block, a fixing groove, a frame body, a dehydration inner plate and a handle, wherein the flue gas subjected to wet desulfurization is dehydrated through the dehydration inner plate, so that the humidity of the discharged flue gas can be greatly reduced, meanwhile, the granular dust in the flue gas is adsorbed, the pollution can be minimally caused when the flue gas is discharged, when the dehydration and adsorption effect is reduced after long-time use, the sliding rail slides in the sliding groove by pulling the handle, the clamping block is separated from the fixing groove, the dehydration inner plate in the frame body is replaced, and the clamping block at the end part of the frame body is inserted into the fixing groove after the replacement is finished, so that the dehydration inner plate is quickly replaced, and the dehydration efficiency is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the processing assembly of the present utility model;

fig. 4 is a structural sectional view of the dewatering plate of the present utility model.

In the figure: 1. a processing assembly; 11. a treatment box; 12. a flue gas inlet; 13. a treatment water tank; 14. an alkaline desulfurization chamber; 15. an ammonia water chamber; 16. a partition plate; 17. a water pump; 18. a drain pipe; 19. a booster pump; 110. a perforated tube; 111. a spray head; 112. a waste pipe; 113. a drain valve; 114. a waste water tank; 115. a smoke exhaust pipe; 116. operating the box door; 2. a dewatering plate; 21. a fixing frame; 22. a chute; 23. a slide rail; 24. a clamping block; 25. a fixing groove; 26. a frame body; 27. a dehydration inner plate; 28. a handle.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a desulfurization and denitrification device for a flue gas channel of a factory, which comprises a processing component 1 and a dehydration plate 2, wherein the inner wall of the processing component 1 is fixedly connected with the back surface of the dehydration plate 2, the processing component 1 comprises a processing box 11, the inner wall of the processing box 11 is fixedly connected with the back surface of the dehydration plate 2, one side of the processing box 11 is provided with a flue gas inlet hole 12, the top of the processing box 11 is fixedly connected with a flue gas exhaust pipe 115, the top of the processing box 11 is fixedly connected with a processing water tank 13, the bottom of the processing box 11 is fixedly connected with a waste water tank 114, a waste water pipe 112 is fixedly connected in the waste water tank 114 and is positioned at the bottom of the processing box 11, a drain valve 113 is fixedly arranged on the inner wall of the waste water pipe 112, an operation box door 116 is movably arranged on the front surface of the processing box 11, the dehydration plate 2 comprises a fixing frame 21, the inner sides of the upper end and the lower end of the fixing frame 21 are provided with a chute 22, the inner side of the fixing groove 25 is provided with a fixing groove 25, and the inner wall of the chute 22 is slidably connected with a frame 26.

In this embodiment, through the treatment component 1 to the flue gas of mill carry out wet flue gas desulfurization denitration treatment, the waste water that produces in the treatment process carries out unified collection and handles, lets the process of desulfurization denitration more rapidly not be delayed, and the flue gas after the processing passes dehydration board 2 and discharges, and dehydration board 2 carries out dehydration to the steam in the flue gas to dehydration board 2 has the characteristics that quick replacement kept dehydration effect.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner wall fixedly connected with baffle 16 of processing water tank 13, the inside of processing water tank 13 just is located the left side of baffle 16 and has been seted up alkaline desulfurization chamber 14, the inside of processing water tank 13 just is located the right side of baffle 16 and has been seted up ammonia water chamber 15, the inner wall of alkaline desulfurization chamber 14 and the inner wall of ammonia water chamber 15 all fixedly mounted have water pump 17, the output fixedly connected with drain pipe 18 of water pump 17, the surface of drain pipe 18 is fixedly pegged graft with the inside of processing box 11, the outer wall fixed mounting of drain pipe 18 has booster pump 19, the tip fixedly connected with porous pipe 110 of drain pipe 18, the tip fixedly connected with shower nozzle 111 of porous pipe 110.

In this embodiment, the flue gas entering the treatment box 11 is treated by the flue gas inlet hole 12, after the flue gas enters, the slurry made of sodium hydroxide is discharged into the porous pipe 110 by the water pump 17 in the alkaline desulfurization cavity 14 through the water discharge pipe 18, the slurry is pressurized by the booster pump 19 in the discharging process, finally, the slurry is sprayed out through the spray nozzle 111, the slurry is mixed with the flue gas of the plant, sulfur dioxide turns into acid when meeting water, and reacts with sodium hydroxide slurry to produce calcium carbonate, so as to achieve the desulfurization effect, the ammonia water in the ammonia water cavity 15 is used for denitrating the flue gas of the plant through the same operation, the desulfurization and denitrating process is carried out synchronously, the desulfurization and denitrating process is faster, and the waste liquid generated by the desulfurization and denitrating is discharged into the waste water tank 114 through the waste water pipe 112 for unified collection treatment, so that the waste liquid is not always existed in the treatment box 11, and the drain valve in the waste water pipe 112 can furthest automatically prevent the leakage of the flue gas, and the flue gas reaching the discharge standard through desulfurization and denitrating is discharged from the smoke discharge pipe 115.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top fixedly connected with slide rail 23 of support body 26, the surface of slide rail 23 and the inner wall sliding connection of spout 22, the tip fixedly connected with fixture block 24 of support body 26, the surface of fixture block 24 and the inner wall swing joint of fixed slot 25, the inboard fixed mounting of support body 26 has dehydration inner panel 27, the other end fixedly connected with handle 28 of support body 26.

In this embodiment, the flue gas through wet desulfurization is dehydrated through the dehydration inner plate 27, so that the humidity of the flue gas emission can be greatly reduced, meanwhile, particle dust in the flue gas is adsorbed, pollution can be minimally caused when the flue gas is emitted, when the conditions of dehydration and adsorption effect decline occur after long-time use, the sliding rail 23 slides in the sliding groove 22 by pulling the handle 28, the clamping block 24 is separated from the fixing groove 25, thereby replacing the dehydration inner plate 27 in the frame 26, inserting the clamping block 24 at the end part of the frame 26 into the fixing groove 25 after the replacement is finished, thereby rapidly replacing the dehydration inner plate 27 and ensuring the dehydration efficiency.

The working principle of the desulfurization and denitrification equipment for the flue gas channel of the factory is specifically described below.

As shown in fig. 1-4, the wet desulfurization and denitrification treatment is carried out on the factory flue gas by the treatment component 1, the waste water generated in the treatment process is uniformly collected and treated, the desulfurization and denitrification process is faster and is not delayed, the flue gas discharged by the factory enters the treatment box 11 for treatment by the flue gas inlet hole 12, after the flue gas enters, the slurry prepared by sodium hydroxide is discharged into the porous pipe 110 by the water pump 17 in the alkaline desulfurization cavity 14 through the water discharge pipe 18, the slurry is pressurized by the booster pump 19 in the discharging process, finally sprayed out by the spray nozzle 111, mixed with the factory flue gas, sulfur dioxide is changed into acid when meeting water, the calcium carbonate is produced by reacting with the sodium hydroxide slurry, the desulfurization effect is achieved, the denitration is carried out on the factory flue gas by ammonia in the ammonia water cavity 15 through the same operation, and the desulfurization and denitrification process is faster by synchronous operation, and the waste liquid generated by desulfurization and denitrification is discharged into the waste water tank 114 through the waste water pipe 112 for unified collection treatment, the waste water is not always existed in the treatment tank 11, the drain valve in the waste water pipe 112 can furthest and automatically prevent leakage of smoke, the treated smoke is discharged through the dehydration plate 2, the dehydration plate 2 carries out dehydration treatment on water vapor in the smoke, the dehydration plate 2 has the characteristic of quick replacement and maintenance of dehydration effect, the dehydration inner plate 27 carries out dehydration on the smoke subjected to wet desulfurization, the humidity of the smoke discharge can be greatly reduced, meanwhile, particle dust in the smoke is adsorbed, the pollution can be minimally caused when the smoke is discharged, when the situation of dehydration and adsorption effect reduction occurs after long-time use, the sliding rail 23 slides in the sliding groove 22 by pulling the handle 28, the clamping block 24 is separated from the fixed groove 25, thereby replacing the dehydration inner plate 27 in the frame 26, after the replacement, the clamping blocks 24 at the end part of the frame body 26 are inserted into the fixing grooves 25, so that the inner dehydration plate 27 is quickly replaced, the dehydration efficiency is ensured, and finally, the smoke reaching the emission standard is discharged from the smoke exhaust pipe 115.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a desulfurization denitration device of mill flue, includes processing unit (1) and dehydration board (2), its characterized in that: the inner wall of the treatment assembly (1) is fixedly connected with the back of the dewatering plate (2);

the treatment assembly (1) comprises a treatment box (11), wherein the inner wall of the treatment box (11) is fixedly connected with the back surface of the dewatering plate (2), a smoke inlet hole (12) is formed in one side of the treatment box (11), a smoke exhaust pipe (115) is fixedly inserted into the top of the treatment box (11), a treatment water tank (13) is fixedly connected to the top of the treatment box (11), a wastewater tank (114) is fixedly connected to the bottom of the treatment box (11), a wastewater pipe (112) is fixedly inserted into the interior of the wastewater tank (114) and positioned at the bottom of the treatment box (11), a drain valve (113) is fixedly arranged on the inner wall of the wastewater pipe (112), and an operation box door (116) is movably arranged on the front surface of the treatment box (11);

the dewatering plate (2) comprises a fixing frame (21), the back of the fixing frame (21) is fixedly connected with the inner wall of the treatment box (11), sliding grooves (22) are formed in the inner sides of the upper end and the lower end of the fixing frame (21), fixing grooves (25) are formed in the inner side of the fixing frame (21), and a frame body (26) is connected to the inner wall of the sliding grooves (22) in a sliding mode.

2. The plant flue gas duct desulfurization and denitrification device according to claim 1, wherein: the inner wall fixedly connected with baffle (16) of processing water tank (13), inside and the left side that is located baffle (16) of processing water tank (13) have seted up alkaline desulfurization chamber (14), the inside of processing water tank (13) and the right side that is located baffle (16) have seted up ammonia water cavity (15).

3. The plant flue gas duct desulfurization and denitrification device according to claim 2, wherein: the alkaline desulfurization device is characterized in that a water pump (17) is fixedly arranged on the inner wall of the alkaline desulfurization cavity (14) and the inner wall of the ammonia water cavity (15), a drain pipe (18) is fixedly connected to the output end of the water pump (17), and the surface of the drain pipe (18) is fixedly spliced with the inside of the treatment box (11).

4. A plant flue gas duct desulfurization and denitrification apparatus according to claim 3, wherein: the outer wall of the drain pipe (18) is fixedly provided with a booster pump (19), the end part of the drain pipe (18) is fixedly connected with a perforated pipe (110), and the end part of the perforated pipe (110) is fixedly connected with a spray head (111).

5. The plant flue gas duct desulfurization and denitrification device according to claim 1, wherein: the top fixedly connected with slide rail (23) of support body (26), the surface of slide rail (23) and the inner wall sliding connection of spout (22), the tip fixedly connected with fixture block (24) of support body (26), the surface of fixture block (24) and the inner wall swing joint of fixed slot (25).

6. The plant flue gas duct desulfurization and denitrification device according to claim 1, wherein: the inner side of the frame body (26) is fixedly provided with a dehydration inner plate (27), and the other end of the frame body (26) is fixedly connected with a handle (28).