CN113398696A

CN113398696A - Flue gas desulfurization denitration washing device

Info

Publication number: CN113398696A
Application number: CN202110588866.9A
Authority: CN
Inventors: 朱全山
Original assignee: Jiangsu Honest Environmental Protection Technology Co ltd
Current assignee: Jiangsu Honest Environmental Protection Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-09-17

Abstract

The invention belongs to the technical field of flue gas washing, and particularly relates to a flue gas desulfurization and denitration washing device which comprises a bottom plate, wherein two groups of supporting legs are fixedly connected to the bottom surface of the bottom plate, a protection box is fixedly connected to the upper surface of the bottom plate, a flue gas inlet pipe is fixedly communicated with the left side surface of the protection box, a water tank is fixedly connected to the upper surface of the bottom plate, a water pump is fixedly connected to the right side surface of the protection box, an input end of the water pump is fixedly communicated with a liquid pumping pipe, the bottom end of the liquid pumping pipe is fixedly communicated with the left side surface of the water tank, and an output end of the water pump is fixedly communicated with a liquid conveying pipe. According to the invention, through the matching of the spray head and the filter screen, when the device is used for purifying flue gas, the spray head sprays the washing liquid to the flue gas to atomize dust and impurities contained in the flue gas, so that part of impurity particles in the flue gas can be removed, the later-stage desulfurization and denitration of the flue gas are facilitated, and the filter screen can filter the impurities contained in the washing liquid, so that the washing liquid can be conveniently recycled.

Description

Flue gas desulfurization denitration washing device

Technical Field

The invention relates to the technical field of flue gas washing, in particular to a flue gas desulfurization and denitrification washing device.

Background

The flue gas washing is to wash flue gas generated in industrial production by adopting a certain washing solution, directly contact process gas with an alkali solution or slurry, and capture at least part of pollutants of the process gas in the alkali solution or slurry; and directly contacting the contaminant-depleted process gas with a cooling liquid to form a cooled process gas; the alkali solution or slurry is separated from the cooling liquid to remove particles, sulfur dioxide, nitrogen oxides and other harmful substances dissolved in the washing liquid in the flue gas, and the temperature of the flue gas is reduced, so that the purposes of controlling the pollutants in the flue gas and preventing the pollution to the environment are achieved.

Let the flue gas reach emission standard in order to protect the environment, flue gas desulfurization denitration washing device will all be used in a lot of mills now, when washing the flue gas, need progressively carry out the washing work, when current washing device uses, it is not clean to clear away the impurity granule that contains in the flue gas, need clear away out impurity granule before carrying out desulfurization denitration and just enable flue gas desulfurization denitration more thoroughly, and when retrieving washing liquid, also can contain many granule impurity in the washing liquid, for this reason we provide a flue gas desulfurization denitration washing device.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a flue gas desulfurization and denitration washing device, which solves the problems that in order to protect the environment, the flue gas reaches the emission standard, the flue gas desulfurization and denitration washing device is used in many factories at present, the washing work is required to be carried out step by step when the flue gas is washed, when the existing washing device is used, impurity particles contained in the flue gas are not completely removed, the impurity particles are required to be removed before desulfurization and denitration is carried out, the desulfurization and denitration of the flue gas can be more thorough, and when washing liquid is recycled, the washing liquid also contains a plurality of particle impurities.

In order to achieve the purpose, the invention provides the following technical scheme: a flue gas desulfurization and denitrification washing device comprises a bottom plate, wherein two groups of supporting legs are fixedly connected to the bottom surface of the bottom plate, a protection box is fixedly connected to the upper surface of the bottom plate, a smoke inlet pipe is fixedly communicated with the left side surface of the protection box, a water tank is fixedly connected to the upper surface of the bottom plate, a water pump is fixedly connected to the right side surface of the protection box, an input end of the water pump is fixedly communicated with a liquid suction pipe, the bottom end of the liquid suction pipe is fixedly communicated with the left side surface of the water tank, an output end of the water pump is fixedly communicated with a liquid conveying pipe, an output end of the liquid conveying pipe penetrates through the protection box and is fixedly connected with the inner wall of the protection box, spray heads which are arranged at equal intervals are fixedly communicated with the outer surface of the liquid conveying pipe, an activated carbon plate is fixedly connected to the inner wall of the protection box, a round barrel is fixedly connected to the inner wall of the protection box, and an exhaust fan is fixedly connected to the inner wall of the round barrel, the top end of the round cylinder is fixedly communicated with an exhaust pipe, and the inner top wall of the protection box is fixedly connected with a desulfurization device.

The top end of the exhaust pipe is fixedly communicated with the right side face of the desulfurization device, the left side face of the desulfurization device is fixedly communicated with a gas pipe, the inner wall of the protection box is fixedly connected with a denitrification device, the bottom end of the gas pipe is fixedly communicated with the upper surface of the denitrification device, the upper surface of the denitrification device is fixedly communicated with an exhaust pipe, the top end of the exhaust pipe penetrates through the protection box and extends to the outside of the protection box, the bottom face of the bottom plate is fixedly connected with a reflux pump, the input end of the reflux pump is fixedly communicated with a water suction pipe, the inner wall of the protection box is fixedly connected with a water collecting bucket, the inner wall of the water collecting bucket is provided with two clamping grooves, the inner wall of each clamping groove is clamped with a clamping block, the top ends of the two clamping blocks are fixedly connected with a filter screen together, and the top end of the water suction pipe sequentially penetrates through the bottom plate and the protection box and is fixedly communicated with the bottom end of the water collecting bucket, the output end of the reflux pump is fixedly communicated with a drain pipe, the top end of the drain pipe penetrates through the bottom plate and is fixedly communicated with the bottom surface of the water tank, and the front side of the protection box is fixedly connected with a control panel.

As a preferable technical scheme of the invention, the front surface of the protection box is fixedly embedded with an observation frame, and the observation frame is made of hard transparent materials.

As a preferable technical scheme of the invention, the front side of the water tank is provided with a warning sticker, and the back side of the warning sticker is fixedly connected with the front side of the water tank.

As a preferable technical scheme, the bottom end of each supporting leg is fixedly connected with a base, and the bottom surface of each base is provided with anti-skid grains.

As a preferable technical scheme of the invention, the upper surfaces of the water pumping pipe and the water discharging pipe are fixedly connected with connecting blocks, and the upper surface of each connecting block is fixedly connected with the bottom surface of the bottom plate.

As a preferred technical scheme of the invention, the front surface of the protection box is fixedly connected with a nameplate, and the nameplate is positioned below the control panel.

As a preferable technical scheme of the invention, two groups of reinforcing blocks are fixedly connected to the outer surface of the infusion tube, and one side surfaces, far away from each other, of the two groups of reinforcing blocks are fixedly connected with the inner wall of the protection box.

As a preferable technical scheme of the invention, the bottom surface of the denitration device is fixedly connected with a support frame, and the left side surface of the support frame is fixedly connected with the inner wall of the protection box.

As a preferable technical scheme of the invention, the inner wall of the protection box is fixedly connected with a guide plate, and the right side surface of the guide plate is fixedly connected with the outer surface of the round cylinder.

As a preferable technical scheme of the invention, the outer surface of the smoke inlet pipe is provided with threads, and the outer surface of the smoke inlet pipe is in threaded connection with a sleeve.

Compared with the prior art, the invention provides a flue gas desulfurization and denitrification washing device, which has the following beneficial effects:

1. this flue gas desulfurization denitration washing device, through the cooperation that sets up shower nozzle and filter screen, when the device carries out work to gas cleaning, the shower nozzle sprays the washing liquid to the flue gas, atomizes the dust impurity that contains in the flue gas, can clear away the partial foreign particles in the flue gas, is favorable to the desulfurization denitration of later stage flue gas, and the filter screen can filter the impurity that contains in the washing liquid and cross, is convenient for retrieve the washing liquid and recycle.

2. This flue gas desulfurization denitration washing device, through setting up the air exhauster, utilize the work of air exhauster, can make the first half of guard box form the negative pressure, the flue gas after spraying can the rebound, through the peculiar smell in the active carbon board can adsorb the flue gas, can let the flue gas advance to enter the desulphurization unit desulfurization, then get into the denitrification facility and carry out the denitration, can carry out gradual purification to the flue gas, can be more thorough to flue gas desulfurization denitration.

Drawings

FIG. 1 is a schematic perspective view of a structural backing plate according to the present invention;

FIG. 2 is a cross-sectional view of a front view of the structural containment vessel of the present invention;

FIG. 3 is a cross-sectional view of a front view of a water collection bucket of the present invention construction;

FIG. 4 is a schematic perspective view of a water collecting bucket according to the present invention;

fig. 5 is a schematic perspective view of the circular cylinder of the present invention.

In the figure: 1. a base plate; 2. a base; 3. supporting legs; 4. a nameplate; 5. an observation frame; 6. a clamping block; 7. a protection box; 8. a control panel; 9. a filter screen; 10. a water tank; 11. a spray head; 12. a warning label; 13. a water collecting hopper; 14. a water pumping pipe; 15. a reflux pump; 16. a liquid pumping pipe; 17. connecting blocks; 18. a drain pipe; 19. a sleeve; 20. a water pump; 21. a smoke inlet pipe; 22. a transfusion tube; 23. an activated carbon plate; 24. a circular cylinder; 25. an exhaust fan; 26. a card slot; 27. an air exhaust pipe; 28. a desulfurization unit; 29. a gas delivery pipe; 30. a denitration device; 31. an exhaust pipe; 32. a support frame; 33. a baffle; 34. and a reinforcing block.

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.

Examples

Referring to fig. 1-5, in this embodiment: a flue gas desulfurization and denitration washing device comprises a bottom plate 1, wherein two groups of supporting legs 3 are fixedly connected to the bottom surface of the bottom plate 1, a protection box 7 is fixedly connected to the upper surface of the bottom plate 1, a smoke inlet pipe 21 is fixedly communicated with the left side surface of the protection box 7, a water tank 10 is fixedly connected to the upper surface of the bottom plate 1, a water pump 20 is fixedly connected to the right side surface of the protection box 7, an input end of the water pump 20 is fixedly communicated with a liquid pumping pipe 16, the bottom end of the liquid pumping pipe 16 is fixedly communicated with the left side surface of the water tank 10, an output end of the water pump 20 is fixedly communicated with a liquid conveying pipe 22, an output end of the liquid conveying pipe 22 penetrates through the protection box 7 and is fixedly connected with the inner wall of the protection box 7, spray heads 11 which are arranged at equal intervals are fixedly communicated with the outer surface of the liquid conveying pipe 22, an activated carbon plate 23 is fixedly connected to the inner wall of the protection box 7, a round barrel 24 is fixedly connected to the inner wall of the protection box 7, and an exhaust fan 25 is fixedly connected to the inner wall of the round barrel 24, the top end of the round tube 24 is fixedly communicated with an exhaust tube 27, and the inner top wall of the protective box 7 is fixedly connected with a desulfurization device 28.

The top end of the suction pipe 27 is fixedly communicated with the right side surface of the desulfurization device 28, the left side surface of the desulfurization device 28 is fixedly communicated with a gas pipe 29, the inner wall of the protection box 7 is fixedly connected with a denitrification device 30, the bottom end of the gas pipe 29 is fixedly communicated with the upper surface of the denitrification device 30, the upper surface of the denitrification device 30 is fixedly communicated with a gas exhaust pipe 31, the top end of the gas exhaust pipe 31 penetrates through the protection box 7 and extends to the outside of the protection box 7, the bottom surface of the bottom plate 1 is fixedly connected with a reflux pump 15, the input end of the reflux pump 15 is fixedly communicated with a water suction pipe 14, the inner wall of the protection box 7 is fixedly connected with a water collection hopper 13, the inner wall of the water collection hopper 13 is provided with two clamping grooves 26, the inner wall of each clamping groove 26 is clamped with a clamping block 6, the top ends of the two clamping blocks 6 are fixedly connected with a filter screen 9, the top end of the water suction pipe 14 sequentially penetrates through the bottom plate 1 and the protection box 7 and is fixedly communicated with the bottom end of the water collection hopper 13, the output end of the reflux pump 15 is fixedly communicated with a drain pipe 18, the top end of the drain pipe 18 penetrates through the bottom plate 1 and is fixedly communicated with the bottom surface of the water tank 10, and the front surface of the protection box 7 is fixedly connected with a control panel 8.

In this embodiment, the fixed viewing frame 5 of inlaying in front of guard box 7, viewing frame 5 is hard transparent material, can let the staff observe the condition of spraying of flue gas, the staff of being convenient for operates the device, the front of water tank 10 is equipped with warning subsides 12, the back of warning subsides 12 and the positive fixed connection of water tank 10, can warn the other people, in order to avoid the accident, the equal fixedly connected with base 2 in bottom of every supporting leg 3, anti-skidding line has all been seted up to the bottom surface of every base 2, can stabilize this device, in order to avoid this device during operation to appear sliding.

The equal fixedly connected with connecting block 17 of upper surface of drinking-water pipe 14 and the upper surface of drain pipe 18, the upper surface of every connecting block 17 all with bottom surface fixed connection of bottom plate 1, can stabilize drinking-water pipe 14 and drain pipe 18, be convenient for to the recovery of washing liquid, the positive fixedly connected with data plate 4 of guard box 7, data plate 4 is located control panel 8's below, can let the quick this device of understanding of staff, the staff of being convenient for operates, two sets of reinforcement block 34 of outer fixed surface of transfer line 22, a side that two sets of reinforcement block 34 kept away from each other all with the inner wall fixed connection of guard box 7, can stabilize transfer line 22, be favorable to spraying to the flue gas.

The bottom surface fixedly connected with support frame 32 of denitrification facility 30, the left surface of support frame 32 and the inner wall fixed connection of guard box 7, can consolidate denitrification facility 30, be favorable to the purification to the flue gas, the inner wall fixedly connected with guide plate 33 of guard box 7, the right flank of guide plate 33 and the fixed surface of circular cylinder 24 are connected, can make during the quick entering circular cylinder 24 of flue gas, can accelerate the purification of flue gas, the surface of advancing tobacco pipe 21 is seted up threadedly, the surface threaded connection who advances tobacco pipe 21 has sleeve pipe 19, it will advance tobacco pipe 21 and external pipeline to be connected to be convenient for the staff, be convenient for the staff to carry out work.

The working principle and the using process of the invention are as follows: when the device is used, firstly, a worker firstly connects the smoke inlet pipe 21 with an external smoke exhaust pipeline through the sleeve 19, then clicks the control panel 8 to enable the water pump 20 to work, the water pump 20 pumps cleaning liquid in the water tank 10 out and sprays the cleaning liquid to smoke through the spray nozzle 11, dust and particles contained in the smoke can be reduced, the sprayed cleaning liquid can fall into the water collecting hopper 13, the dust in the cleaning liquid can be filtered out through the filter screen 9, then clicks the control panel 8 to enable the reflux pump 15 to work, the filtered cleaning liquid can enter the water tank 10 again through the drain pipe 18 to be reused, clicks the control panel 8 to enable the exhaust fan 25 to work, the smoke can flow upwards rapidly due to negative pressure, the activated carbon plate 23 can filter the smoke again, the filtered smoke enters the desulfurization device 28 through the exhaust pipe 27 for desulfurization, then get into denitrification facility 30 through gas-supply pipe 29 and denitrate, the flue gas after the purification can be discharged through blast pipe 31, can clear away the foreign particles in the flue gas totally, can filter the washing liquid and retrieve and recycle.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flue gas desulfurization denitration washing device, includes bottom plate (1), its characterized in that: the bottom surface of the bottom plate (1) is fixedly connected with two groups of supporting legs (3), the upper surface of the bottom plate (1) is fixedly connected with a protection box (7), the left side surface of the protection box (7) is fixedly communicated with a smoke inlet pipe (21), the upper surface of the bottom plate (1) is fixedly connected with a water tank (10), the right side surface of the protection box (7) is fixedly connected with a water pump (20), the input end of the water pump (20) is fixedly communicated with a liquid pumping pipe (16), the bottom end of the liquid pumping pipe (16) is fixedly communicated with the left side surface of the water tank (10), the output end of the water pump (20) is fixedly communicated with a liquid conveying pipe (22), the output end of the liquid conveying pipe (22) penetrates through the protection box (7) and is fixedly connected with the inner wall of the protection box (7), the outer surface of the liquid conveying pipe (22) is fixedly communicated with spray heads (11) which are arranged at equal intervals, the inner wall of the protection box (7) is fixedly connected with an activated carbon plate (23), a circular cylinder (24) is fixedly connected to the inner wall of the protection box (7), an exhaust fan (25) is fixedly connected to the inner wall of the circular cylinder (24), an exhaust pipe (27) is fixedly communicated with the top end of the circular cylinder (24), and a desulfurization device (28) is fixedly connected to the inner top wall of the protection box (7);

the top end of the extraction pipe (27) is fixedly communicated with the right side face of the desulfurization device (28), the left side face of the desulfurization device (28) is fixedly communicated with a gas pipe (29), the inner wall of the protection box (7) is fixedly connected with a denitration device (30), the bottom end of the gas pipe (29) is fixedly communicated with the upper surface of the denitration device (30), the upper surface of the denitration device (30) is fixedly communicated with a gas exhaust pipe (31), the top end of the gas exhaust pipe (31) penetrates through the protection box (7) and extends to the outside of the protection box (7), the bottom face of the bottom plate (1) is fixedly connected with a reflux pump (15), the input end of the reflux pump (15) is fixedly communicated with a water pumping pipe (14), the inner wall of the protection box (7) is fixedly connected with a water collecting hopper (13), the inner wall of the water collecting hopper (13) is provided with two clamping grooves (26), and the inner wall of each clamping groove (26) is clamped with a clamping block (6), two the common fixedly connected with filter screen (9) in top of fixture block (6), the top of drinking-water pipe (14) run through bottom plate (1) and guard box (7) in proper order and with the bottom mounting intercommunication of water collecting bucket (13), the fixed intercommunication of output of backwash pump (15) has drain pipe (18), the top of drain pipe (18) run through bottom plate (1) and with the fixed intercommunication in bottom surface of water tank (10), the positive fixedly connected with control panel (8) of guard box (7).

2. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the front of guard box (7) is fixed to be inlayed and is had observation frame (5), observation frame (5) are hard transparent material.

3. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the front of water tank (10) is equipped with warning subsides (12), the front fixed connection of the back and water tank (10) of warning subsides (12).

4. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: every the equal fixedly connected with base (2) in bottom of supporting leg (3), every anti-skidding line has all been seted up to the bottom surface of base (2).

5. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the upper surface of drinking-water pipe (14) and the equal fixedly connected with connecting block (17) of upper surface of drain pipe (18), every the upper surface of connecting block (17) all with the bottom surface fixed connection of bottom plate (1).

6. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the front surface of the protection box (7) is fixedly connected with a nameplate (4), and the nameplate (4) is located below the control panel (8).

7. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the outer surface of the infusion tube (22) is fixedly connected with two groups of reinforcing blocks (34), and one side surface, far away from each other, of the two groups of reinforcing blocks (34) is fixedly connected with the inner wall of the protection box (7).

8. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the bottom surface fixedly connected with support frame (32) of denitrification facility (30), the left surface and the inner wall fixed connection of guard box (7) of support frame (32).

9. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the inner wall fixedly connected with guide plate (33) of guard box (7), the right side of guide plate (33) and the surface fixed connection of circular cylinder (24).

10. The flue gas desulfurization and denitration washing device of claim 1, characterized in that: the outer surface of the smoke inlet pipe (21) is provided with threads, and the outer surface of the smoke inlet pipe (21) is in threaded connection with a sleeve (19).