CN220531207U

CN220531207U - SNCR flue gas denitrification facility

Info

Publication number: CN220531207U
Application number: CN202322067784.7U
Authority: CN
Inventors: 曹迎斌; 苏涛; 郭锦雄; 雷玉全
Original assignee: Yunnan Hengzhao Technology Co ltd
Current assignee: Yunnan Hengzhao Technology Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-27
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field of flue gas treatment, in particular to an SNCR flue gas denitration device, wherein a denitration component is arranged in a denitration tower, a circulation component is arranged outside the denitration tower, the denitration component comprises an air inlet pipe arranged at the outer end of the denitration tower, an air outlet pipe is arranged at the top of the denitration tower, spray heads are equidistantly arranged on the periphery of the inside of the denitration tower, the circulation component comprises a filter box arranged outside the denitration tower, a water outlet end of the filter box is connected with a water storage tank through a water pipe, a water outlet pipe is arranged at the bottom water outlet end of the denitration tower, a filter cartridge is arranged at the water outlet end of the water outlet pipe, a water suction pump is arranged at the water outlet end of the filter cartridge, and the water outlet end of the water suction pump is communicated with the water inlet end of the filter box. The SNCR flue gas denitration device provided by the utility model can realize the circulating denitration treatment of the whole device, effectively avoid the waste of the remover and improve the effect during use.

Description

SNCR flue gas denitrification facility

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to an SNCR flue gas denitration device.

Background

The flue gas denitration technology mainly comprises a dry method (selective catalytic reduction flue gas denitration SCR and selective non-catalytic reduction denitration SNCR) and a wet method, and compared with the wet flue gas denitration technology, the dry flue gas denitration technology has the main advantages that: the basic investment is low, the equipment and the process are simple, the NOX removal efficiency is high, no waste water and waste treatment is carried out, and secondary pollution is not easy to cause, for example, chinese patent discloses an SNCR flue gas denitration device (grant bulletin No. CN 215822778U), and the technology of the patent can enable a spray gun to be convenient to detach from a denitration tank so as to carry out maintenance and cleaning on the spray gun;

however, the flue gas denitration device disclosed in the above disclosure has some defects in use: when in use, the removing agent is recycled without a filtering structure, so that a large amount of removing agent is consumed, the operation cost is increased, and the practicability in use is affected. Accordingly, a person skilled in the art provides an SNCR flue gas denitrification device to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide an SNCR flue gas denitration device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the SNCR flue gas denitration device comprises a denitration tower, wherein a denitration component is arranged in the denitration tower, and a circulation component is arranged outside the denitration tower;

the denitration component comprises an air inlet pipe arranged at the outer end of the denitration tower, an air outlet pipe is arranged at the top of the denitration tower, and spray heads are arranged at equal intervals in the denitration tower in a circle;

the utility model discloses a denitration tower, including the filter tank of circulation subassembly, the filter tank is installed in the outside rose box of denitration tower, the water storage tank is passed through water piping connection to the play water end of rose box, the outlet pipe is installed to the bottom play water end of denitration tower, the cartridge filter is installed to the play water end of outlet pipe, the suction pump is installed to the play water end of cartridge filter, and the play water end of suction pump communicates with the inlet end of rose box, the drain pump is installed to the play water end of storage tank, the drain pipe is installed to the play water end of drain pump, the ring pipe is installed to the play water end of drain pipe, and the ring pipe sets up the outside at the denitration tower, the inside of rose box is provided with filtering mechanism.

As a further scheme of the utility model: the top of storage water tank advances the water end and installs the medicine storage box, the play water end of medicine storage box communicates with the water end of storage water tank, be connected with the solenoid valve between the inboard of medicine storage box and storage water tank.

As still further aspects of the utility model: the shower is installed to the play water end of ring pipe, the connecting valve is installed to the outside both sides equidistance of shower, be connected with the connecting pipe between the inboard of connecting valve and shower.

As still further aspects of the utility model: the filter mechanism comprises a first filter screen arranged in the middle of the inside of the filter box, a second filter screen is arranged in the inside of the filter box close to the position of the first filter screen, and a top cover is detachably arranged in the center of the top of the filter box.

As still further aspects of the utility model: the stirring motor is fixedly arranged in the center of the top cover, and the inverted U-shaped frame is arranged on the output shaft of the stirring motor.

As still further aspects of the utility model: the cleaning brush is symmetrically arranged on two sides of the outer portion of the inverted U-shaped frame, the cleaning brush is arranged between the inner sides of the first filter screen and the inner sides of the second filter screen, a connecting water pipe is arranged at the center of the bottom of the filter tank, and the water outlet end of the connecting water pipe is communicated with the water inlet end of the water storage tank.

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

1. SNCR flue gas denitrification facility, when using, draw water through the suction pump, cooperation outlet pipe is retrieved denitration tower spun remover, cooperation cartridge filter carries out one filtration treatment, the inside first filter screen of rethread rose box carries out two fine filtration with the second filter screen, the solution after filtering is discharged into the storage water tank, the back is opened to the rethread solenoid valve, add the medicament in the storage medicine case into the storage water tank, cooperation drain pump is followed drain pipe and is gone into the shower with the ring pipe, the shower head that the rethread equidistance set up spouts the remover, when the exhaust gas is gone into through the intake pipe, then can realize circulation flue gas denitrification and handle, practicality when improving the device use is better for traditional mode.

2. The utility model provides a SNCR flue gas denitrification facility drives the U type frame of falling through the agitator motor of top cap department and rotates, then can clear up first filter screen and second filter screen through the cleaning brush, then can improve first filter screen and second filter screen result of use, the user of being convenient for uses.

Drawings

FIG. 1 is a schematic structural view of an SNCR flue gas denitration device;

fig. 2 is a schematic structural diagram of a filter box in an SNCR flue gas denitration device;

fig. 3 is a partial enlarged view at a in fig. 1.

In the figure: 1. a denitration tower; 2. an air inlet pipe; 3. an air outlet pipe; 4. a filter box; 5. a water storage tank; 6. a water outlet pipe; 7. a filter cartridge; 8. a water pump; 9. a draining pump; 10. a drain pipe; 11. an annular tube; 12. a shower pipe; 13. a medicine storage box; 14. an electromagnetic valve; 15. a first filter screen; 16. a second filter screen; 17. connecting a water pipe; 18. a top cover; 19. a stirring motor; 20. an inverted U-shaped frame; 21. a cleaning brush; 22. a spray header; 23. a connecting valve; 24. and (5) connecting pipes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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 to 3, in an embodiment of the present utility model, an SNCR flue gas denitration device includes a denitration tower 1, a denitration component is disposed inside the denitration tower 1, and a circulation component is mounted outside the denitration tower 1;

the denitration component comprises an air inlet pipe 2 arranged at the outer end of the denitration tower 1, an air outlet pipe 3 is arranged at the top of the denitration tower 1, and spray heads 22 are arranged in the denitration tower 1 at equal intervals along the circumference;

the circulating assembly comprises a filter tank 4 arranged outside a denitration tower 1, a water storage tank 5 is connected to the water outlet end of the filter tank 4 through a water pipe, a water outlet pipe 6 is arranged at the water outlet end of the bottom of the denitration tower 1, a filter cylinder 7 is arranged at the water outlet end of the water outlet pipe 6, a water suction pump 8 is arranged at the water outlet end of the filter cylinder 7, the water outlet end of the water suction pump 8 is communicated with the water inlet end of the filter tank 4, a drainage pump 9 is arranged at the water outlet end of the water storage tank 5, a drainage pipe 10 is arranged at the water outlet end of the drainage pump 9, an annular pipe 11 is arranged at the water outlet end of the drainage pipe 10, the annular pipe 11 is arranged outside the denitration tower 1, and a filtering mechanism is arranged inside the filter tank 4;

the filter mechanism is including installing in the inside first filter screen 15 of middle department of rose box 4, the second filter screen 16 is installed to the inside position department that is close to first filter screen 15 of rose box 4, top cap 18 is installed to removable top center department of rose box 4, top cap 18's top center department fixed mounting has agitator motor 19, inverted U type frame 20 is installed to agitator motor 19's output shaft, the outside both sides symmetry of inverted U type frame 20 installs cleaning brush 21, and cleaning brush 21 sets up between the inboard of first filter screen 15 and second filter screen 16, connect water pipe 17 is installed to the bottom center department of rose box 4, and connect the water outlet end of water pipe 17 and the water inlet end intercommunication of storage tank 5, carry out the thin filtration of twice through the inside first filter screen 15 of rose box 4 and second filter screen 16, the solution after the filtration is discharged into storage tank 5, through the agitator motor 19 of top cap 18 department drive inverted U type frame 20 and rotate, then can clear up first filter screen 15 and second filter screen 16 through cleaning brush 21, then can improve first 15 and second filter screen 16 result of use.

In fig. 1: the top of storage water tank 5 advances water end and installs storage water tank 13, the water outlet end of storage water tank 13 and the water inlet end intercommunication of storage water tank 5, be connected with solenoid valve 14 between storage water tank 13 and the inboard of storage water tank 5, shower 12 is installed to the water outlet end of annular pipe 11, connecting valve 23 is installed to the outside both sides equidistance of shower 12, be connected with connecting pipe 24 between the inboard of connecting valve 23 and shower 12, draw water through suction pump 8, cooperation outlet pipe 6 retrieves denitration tower 1 spun remover, cooperation cartridge filter 7 carries out one filtration treatment, the inside first filter screen 15 of rethread filter tank 4 carries out the twice and finely filters with second filter screen 16, the solution after filtering is discharged into storage water tank 5, after the solenoid valve 14 is opened, add the medicament in the storage water tank 13 into storage water tank 5, cooperation drain pump 9 is discharged into shower 12 from drain pipe 10 and annular pipe 11, the rethread equidistance sets up shower head 22 and spouts the remover, when discharging waste gas through intake pipe 2, then can realize circulating denitration treatment.

The working principle of the utility model is as follows: when the denitration device is used, water is pumped through the water suction pump 8, the removal agent sprayed out of the denitration tower 1 is recycled through the water outlet pipe 6, the filter treatment is carried out through the filter cartridge 7, the first filter screen 15 and the second filter screen 16 in the filter tank 4 are subjected to two-step fine filtration, filtered solution is discharged into the water storage tank 5, the electromagnetic valve 14 is opened, the agent in the medicine storage tank 13 is added into the water storage tank 5, the drainage pump 9 is matched with the water outlet pipe 10 and the annular pipe 11 to be discharged into the spray pipe 12, the removal agent is sprayed out through the spray heads 22 which are arranged at equal intervals, when the exhaust gas is discharged through the air inlet pipe 2, the denitration treatment of circulated flue gas can be realized, the practicability of the denitration device in use is improved, the stirring motor 19 at the top cover 18 drives the inverted U-shaped frame 20 to rotate, the first filter screen 15 and the second filter screen 16 can be cleaned through the cleaning brush 21, the use effect of the first filter screen 15 and the second filter screen 16 can be improved, and the practicability is high.

Claims

1. The SNCR flue gas denitration device comprises a denitration tower (1), and is characterized in that a denitration component is arranged in the denitration tower (1), and a circulation component is arranged outside the denitration tower (1);

the denitration component comprises an air inlet pipe (2) arranged at the outer end of the denitration tower (1), an air outlet pipe (3) is arranged at the top of the denitration tower (1), and spray heads (22) are arranged at equal intervals in the denitration tower (1) at the same circle;

the utility model discloses a denitration tower, including circulating assembly, including installing in the outside rose box (4) of denitration tower (1), the play water end of rose box (4) has storage water tank (5) through water piping connection, outlet pipe (6) are installed to the bottom play water end of denitration tower (1), cartridge filter (7) are installed to the play water end of outlet pipe (6), suction pump (8) are installed to the play water end of cartridge filter (7), and the play water end of suction pump (8) communicates with the inlet end of rose box (4), drain pump (9) are installed to the play water end of storage water tank (5), drain pipe (10) are installed to the play water end of drain pump (9), annular pipe (11) are installed to the play water end of drain pipe (10), and annular pipe (11) set up the outside at denitration tower (1), the inside of rose box (4) is provided with filtering mechanism.

2. The SNCR flue gas denitration device as set forth in claim 1, further comprising a medicine storage tank (13) mounted at the top water inlet end of the water storage tank (5), wherein the water outlet end of the medicine storage tank (13) is communicated with the water inlet end of the water storage tank (5), and an electromagnetic valve (14) is connected between the medicine storage tank (13) and the inner side of the water storage tank (5).

3. The SNCR flue gas denitration device as claimed in claim 1, wherein a spray pipe (12) is arranged at the water outlet end of the annular pipe (11), connecting valves (23) are arranged at two sides of the outer part of the spray pipe (12) at equal intervals, and connecting pipes (24) are connected between the connecting valves (23) and the inner sides of the spray pipe (12).

4. The SNCR flue gas denitration device as claimed in claim 1, wherein the filtering mechanism comprises a first filter screen (15) arranged in the middle of the interior of the filter box (4), a second filter screen (16) is arranged in the interior of the filter box (4) near the first filter screen (15), and a top cover (18) is detachably arranged in the center of the top of the filter box (4).

5. The SNCR flue gas denitration device as set forth in claim 4, wherein a stirring motor (19) is fixedly installed at the top center of the top cover (18), and an inverted U-shaped frame (20) is installed on an output shaft of the stirring motor (19).

6. The SNCR flue gas denitration device as set forth in claim 5, wherein the cleaning brushes (21) are symmetrically arranged on two sides of the outer portion of the inverted U-shaped frame (20), the cleaning brushes (21) are arranged between the inner sides of the first filter screen (15) and the second filter screen (16), a connecting water pipe (17) is arranged at the center of the bottom of the filter box (4), and the water outlet end of the connecting water pipe (17) is communicated with the water inlet end of the water storage tank (5).