CN220071076U

CN220071076U - A flue gas pretreatment filter equipment for flue gas denitration

Info

Publication number: CN220071076U
Application number: CN202321340612.6U
Authority: CN
Inventors: 韩元; 王超; 吴宇; 朱愉洁
Original assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Current assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-24
Anticipated expiration: 2033-05-26

Abstract

The utility model relates to the technical field of flue gas denitration, and discloses a flue gas pretreatment filter device for flue gas denitration, which comprises a filter assembly, wherein the filter assembly comprises; the box body is symmetrically provided with a plurality of filter screens on the inner side opposite surfaces; this a flue gas pretreatment filter equipment for flue gas denitration sets up multilayer filter screen through the inboard opposite face at the box and can filter the flue gas of flue gas denitration in-process, when too much dust of filter screen adhesion or debris, remove the fixed to plate body two through rotating two screw rods, because the back of plate body two is provided with a plurality of pull rods, and the one end of pull rod is connected with plate body two, can drive plate body two through pulling the handle and reciprocate like this, thereby drive the brush of plate body two sides and clean the surface of filter screen, the dust that drops is piled up inside the spout, then pass through the groove with the dust through the removal that the brush makes a round trip and sweep into the collection box inside, so that follow-up is handled.

Description

A flue gas pretreatment filter equipment for flue gas denitration

Technical Field

The utility model relates to the technical field of flue gas denitration, in particular to a flue gas pretreatment filter device for flue gas denitration.

Background

The flue gas denitration technology mainly comprises a dry method (selective catalytic reduction flue gas denitration and selective non-catalytic reduction denitration) and a wet method. Compared with the wet flue gas denitration technology, the dry flue gas denitration technology has the main advantages that: the method has the advantages of low basic investment, simple equipment and process, higher NOX removal efficiency, no wastewater and waste treatment and difficult secondary pollution.

According to the utility model in the specification CN218392812U, the filter assembly is arranged, the flue gas is conveyed through the dust removal pipe, then dust impurities in the flue gas are filtered through the filter screens, the blocked dust impurities are accumulated and can fall down along the filter screens and finally fall into the collecting box to be collected through the discharging port, wherein the flue gas can be in large-area contact with the filter screens through the inclined filter screens, the filtering effect of the dust impurities in the flue gas is improved, when the filter screens are required to be replaced and cleaned, the pull rod is pulled to enable the pull rod to drive the clamping blocks to synchronously move until the clamping blocks are moved out of the clamping grooves, the reset spring is in a compressed state at the moment, and then the sealing cover is pulled to enable the sealing cover to drive the filter screens to move, so that the limiting block connected with the filter screens can slide in the limiting grooves on the fixing plate until the filter screens are moved out of the dust removal pipe, the filter screens are convenient to replace and clean the dust in the flue gas, and the efficiency of dust filtration is improved, and the pin removal efficiency of the flue gas is further improved.

According to the above patent, it can be known that in the current market, when flue gas denitration treatment is performed, because the flue gas contains impurities such as dust, the impurity dust easily affects the reaction effect of the denitration reaction, and finally the problem of incomplete flue gas denitration is caused, thereby polluting the environment.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a flue gas pretreatment filtering device for flue gas denitration, which has the advantage of conveniently filtering flue gas, and solves the problems that the flue gas denitration is incomplete due to the fact that the flue gas contains impurities such as dust and the like, the reaction effect of denitration reaction is easily influenced by the impurity dust during flue gas denitration treatment.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a flue gas pretreatment filter device for flue gas denitration, comprising a filter assembly, wherein the filter assembly comprises; the box body is symmetrically provided with a plurality of filter screens on the inner side opposite surfaces; the first plate body is arranged on one side of the filter screen; the brush is arranged on one side of the first plate body; the second plate body is arranged on the front surface of the box body; the pull rods are arranged on the front surface of the first plate body; the handle is arranged on the front surface of the second plate body; the screw rods are symmetrically arranged on the front surface of the second plate body; the sliding groove is transversely symmetrically arranged at the bottom of the inner side of the sliding groove; the through groove is formed in the bottom of the inner side of the chute; the collecting box is arranged at the bottom of the box body.

Preferably, an auxiliary assembly is arranged on the front surface of the box body, and the auxiliary assembly comprises; and the limiting groove is formed in the front face of the box body.

Preferably, sealing gaskets are symmetrically arranged on opposite surfaces of the inner side of the limiting groove.

Preferably, the front surface of the second plate body is provided with a thread groove, and the outer side wall of the handle is provided with threads.

Preferably, a mounting plate is arranged at the top of the filter screen, and the mounting plate is connected with the box body through bolts.

Preferably, the top of the box body is symmetrically provided with grooves.

Preferably, the first plate body is connected with the pull rod through a bolt.

Preferably, the front surface of the first plate body is provided with a slot.

(III) beneficial effects

Compared with the prior art, the utility model provides a flue gas pretreatment filter device for flue gas denitration, which has the following beneficial effects:

this a flue gas pretreatment filter equipment for flue gas denitration sets up multilayer filter screen through the inboard opposite face at the box and can filter the flue gas of flue gas denitration in-process, when too much dust of filter screen adhesion or debris, remove the fixed to plate body two through rotating two screw rods, because the back of plate body two is provided with a plurality of pull rods, and the one end of pull rod is connected with plate body two, can drive plate body two through pulling the handle and reciprocate like this, thereby drive the brush of plate body two sides and clean the surface of filter screen, the dust that drops is piled up inside the spout, then pass through the groove with the dust through the removal that the brush makes a round trip and sweep into the collection box inside, so that follow-up is handled.

Drawings

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

FIG. 2 is a schematic view of the structure of the front interior of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

fig. 4 is a schematic top view of the inner part of the case of the present utility model.

In the figure:

1. a filter assembly; 11. a case; 12. a filter screen; 13. a first plate body; 131. a brush; 14. a second plate body; 141. a pull rod; 15. a handle; 16. a screw; 17. a chute; 18. a through groove; 19. a collection box;

2. an auxiliary component; 21. a limit groove; 22. a sealing gasket; 23. a thread groove; 24. a thread; 25. a mounting plate; 26. a groove; 27. a slot.

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.

Example 1

Referring to fig. 1-4, a flue gas pretreatment filter device for flue gas denitration comprises a filter assembly 1, wherein a plurality of filter screens 12 are symmetrically arranged on opposite surfaces of the inner side of a box 11; the first plate body 13 is arranged on one side of the filter screen 12; the multi-layer filter screen 12 is arranged on the opposite surface of the inner side of the box body 11, so that the flue gas in the flue gas denitration process can be filtered;

the brush 131 is arranged on one side of the first plate body 13; the second plate 14 is arranged on the front surface of the box 11; the pull rods 141 are all arranged on the front surface of the first plate body 13; the handle 15 is arranged on the front surface of the second plate body 14; the screw rods 16 are symmetrically arranged on the front surface of the second plate body 14; the chute 17 is transversely and symmetrically arranged at the bottom of the inner side of the chute 17; the through groove 18 is formed in the bottom of the inner side of the chute 17; the collecting box 19 is arranged at the bottom of the box body 11; when excessive dust or sundries are adhered to the filter screen 12, the fixing of the second plate body 14 is released by rotating the two screws 16, and as the plurality of pull rods 141 are arranged on the back surface of the second plate body 14 and one ends of the pull rods 141 are connected with the second plate body 14, the second plate body 14 can be driven to move back and forth by pulling the pull handle 15, so that the brush 131 on one side of the second plate body 14 is driven to clean the surface of the filter screen 12, the dropped dust is accumulated in the chute 17, and then the dust is swept into the collecting box 19 through the through groove 18 by the back and forth movement of the brush 131 for subsequent treatment.

Example two

The auxiliary assembly 2 is added on the basis of the first embodiment.

Referring to fig. 1-4, the front surface of the box 11 is provided with an auxiliary assembly 2, and a limit groove 21 is formed in the front surface of the box 11; the limiting groove 21 is formed in the front face of the box body 11, so that the second plate body 14 can be prevented from protruding, and the structural strength of the second plate body 14 is improved; sealing gaskets 22 are symmetrically arranged on the inner opposite surfaces of the limiting grooves 21; by symmetrically arranging the sealing gaskets 22 on the inner opposite surfaces of the limiting groove 21, the gas can be prevented from flowing out during the filtration; a thread groove 23 is formed in the front face of the second plate body 14, and threads 24 are formed in the outer side wall of the handle 15; the screw thread groove 23 is formed in the front face of the second plate body 14, and the screw thread 24 is formed in the outer side wall of the handle 15, so that the handle 15 can be detached for independent storage after being used later; the top of the filter screen 12 is provided with a mounting plate 25, and the mounting plate 25 is connected with the box 11 through bolts; by arranging the mounting plate 25 on the top of the filter screen 12 and enabling the mounting plate 25 to be connected with the box 11 through bolts, the filter screen 12 is convenient to be detached for cleaning or replacement later; the top of the box body 11 is symmetrically provided with grooves 26; the grooves 26 are symmetrically formed in the top of the box 11, so that the mounting plate 25 is prevented from protruding, and the structural strength of the mounting plate 25 is improved; the first plate body 13 is connected with the pull rod 141 through a bolt; the first plate body 13 is in bolt connection with the pull rod 141, so that the first plate body 13 is convenient to detach and the brush 131 is convenient to replace; the front surface of the first plate body 13 is provided with a slot 27; the slot 27 is formed in the front face of the first plate body 13, so that the slot 27 and the pull rod 141 are conveniently in butt joint for fixing.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. A flue gas pretreatment filter equipment for flue gas denitration, its characterized in that: comprising a filter assembly (1), said filter assembly (1) comprising;

the box body (11), the inner side opposite surface of the box body (11) is symmetrically provided with a plurality of filter screens (12);

the first plate body (13) is arranged on one side of the filter screen (12);

a brush (131) provided on one side of the first plate body (13);

the second plate body (14) is arranged on the front surface of the box body (11);

the pull rods (141) are arranged on the front surface of the first plate body (13);

the handle (15) is arranged on the front surface of the second plate body (14);

the screw rods (16) are symmetrically arranged on the front surface of the second plate body (14);

the sliding groove (17) is transversely and symmetrically arranged at the bottom of the inner side of the sliding groove (17);

a through groove (18) which is arranged at the bottom of the inner side of the chute (17);

and the collecting box (19) is arranged at the bottom of the box body (11).

2. A flue gas pretreatment filter for flue gas denitration according to claim 1, wherein: an auxiliary assembly (2) is arranged on the front surface of the box body (11), and the auxiliary assembly (2) comprises;

and the limiting groove (21) is formed in the front surface of the box body (11).

3. A flue gas pretreatment filter for flue gas denitration according to claim 2, wherein: sealing gaskets (22) are symmetrically arranged on the inner side opposite surfaces of the limiting grooves (21).

4. A flue gas pretreatment filter for flue gas denitration according to claim 3, wherein: a thread groove (23) is formed in the front face of the second plate body (14), and threads (24) are formed in the outer side wall of the handle (15).

5. A flue gas pretreatment filter for flue gas denitration according to claim 4, wherein: the top of filter screen (12) is provided with mounting panel (25), mounting panel (25) with box (11) pass through bolted connection.

6. A flue gas pretreatment filter for flue gas denitration according to claim 5, wherein: the top of the box body (11) is symmetrically provided with grooves (26).

7. A flue gas pretreatment filter for flue gas denitration according to claim 6, wherein: the first plate body (13) is connected with the pull rod (141) through bolts.

8. A flue gas pretreatment filter for flue gas denitration according to claim 7, wherein: the front surface of the first plate body (13) is provided with a slot (27).