CN217188656U

CN217188656U - SCR low temperature denitration device

Info

Publication number: CN217188656U
Application number: CN202221053736.1U
Authority: CN
Inventors: 谢义江; 杨子泺; 王雅静; 陈丽华; 张力
Original assignee: Guangdong Green Supply Chain Co ltd
Current assignee: Guangdong Green Supply Chain Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-16
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a SCR low temperature denitration device, comprising a base plate, the last fixed surface of bottom plate is connected with the denitration tower, the fixed surface difference fixedly connected with intake pipe and the outlet duct of denitration tower, the last fixed surface of bottom plate is connected with the dust removal subassembly, the last fixed surface connecting pipe of dust removal subassembly, the one end of dust removal subassembly and the one end fixed connection of intake pipe are kept away from to the connecting pipe, the fixed surface of dust removal subassembly is connected with the flue gas pipe. The utility model discloses an injection flue gas in flue gas pipe is to dust removal component, and then make the flue gas striking on rotating the leaf, and then make the dust in the flue gas receive the striking and slow down, finally fall into in the surge drum under the effect of self gravity, gaseous while upwards flows, makes the dust separation in the flue gas, further separates the dust to the flue gas through the filter screen, prevent in partial dust entering connecting pipe, thereby make this SCR low temperature denitration device have the effect that improves denitration effect and denitration efficiency.

Description

SCR low temperature denitration device

Technical Field

The application relates to the technical field of denitration equipment, in particular to SCR low-temperature denitration equipment.

Background

Denitration is to prevent the environment pollution caused by excessive NOx generated after coal in a boiler is combusted, and coal is subjected to denitration treatment, which can be divided into denitration before combustion, denitration during combustion and denitration after combustion.

The flue gas that produces after the burning in the boiler contains a large amount of dusts, can influence the denitration effect after these dusts get into denitration equipment, and current denitration equipment generally adopts the filter screen to make the dust separation, and the separation effect is not good, in addition because the filter screen is blockked up by the dust easily, needs to change the washing to the filter screen, has reduced the efficiency of denitration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SCR low temperature denitration device to solve the problem that proposes in the above-mentioned background art.

The embodiment of the application adopts the following technical scheme:

the utility model provides a SCR low temperature denitration device, includes the bottom plate, the last fixed surface of bottom plate is connected with the denitration tower, the fixed surface difference fixedly connected with intake pipe and outlet duct of denitration tower, the last fixed surface of bottom plate is connected with dust removal subassembly, dust removal subassembly's last fixed surface connecting pipe, the one end of dust removal subassembly and the one end fixed connection of intake pipe are kept away from to the connecting pipe, dust removal subassembly's fixed surface is connected with the flue gas pipe.

Preferably, the dust removal assembly comprises a dust removal cylinder fixedly connected with the upper surface of the bottom plate, and a fixing rod is fixedly connected to the inner wall of the dust removal cylinder.

Preferably, the upper surface of the fixing rod is rotatably connected with a rotating shaft, and the surface of the rotating shaft is fixedly connected with a rotating blade.

Preferably, one end of the flue gas pipe penetrates through the inner wall of the dust removing cylinder and corresponds to the position of the rotating blades, so that flue gas injected by the flue gas pipe can impact on the rotating blades.

Preferably, the upper surface of the dust removing cylinder is fixedly connected with a tobacco collecting pipe, the upper surface of the tobacco collecting pipe is fixedly connected with one end of the connecting pipe, the upper surface of the tobacco collecting pipe is provided with a mounting hole corresponding to the connecting pipe, and the inner wall of the mounting hole is fixedly connected with a filter screen.

Preferably, the top fixedly connected with connecting axle of axis of rotation, the top fixedly connected with of connecting axle prevents stifled board, and prevents the upper surface of stifled board and the lower surface laminating of filter screen.

Preferably, the inner bottom wall of the dedusting cylinder is provided with a collecting cylinder, the surface of the collecting cylinder is fixedly connected with an arc plate, the surface of the dedusting cylinder is provided with a through hole for the arc plate to pass through, and the surface of the arc plate is fixedly connected with a handle.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

the utility model discloses in, inject the flue gas in to dust removal component through the flue gas pipe, and then make the flue gas striking on rotating the leaf, and then make the dust in the flue gas receive the striking and slow down, finally fall into in the surge drum under the effect of self gravity, gaseous upward flow simultaneously, make the dust separation in the flue gas, further separate the dust to the flue gas through the filter screen, prevent that partial dust from getting into in the connecting pipe, gas injection denitration tower that will not contain the dust through the connecting pipe reacts, take place to rotate when the atress through rotating the leaf, and then drive the connecting axle and rotate, and then drive and prevent that the closure plate rotates, strike off adnexed dust on the filter screen through preventing the closure plate, make it fall into in the surge drum, avoid the filter screen to be blockked up, thereby make this SCR low temperature denitration equipment have the effect that improves denitration effect and denitration efficiency's effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a diagram: the three-dimensional structure of the utility model is shown schematically;

FIG. 2 is a diagram of: the three-dimensional (sectional view of the dust-removing cylinder and the dust hopper) structure of the dust-removing component of the utility model is shown schematically;

FIG. 3 is a diagram of: the utility model is shown in an enlarged schematic view at A in FIG. 2;

FIG. 4 is a diagram of: the utility model discloses anti-blocking plate's spatial structure schematic diagram.

In the figure: 1. a base plate; 2. a denitration tower; 3. an air inlet pipe; 4. an air outlet pipe; 5. a dust removal assembly; 501. a dust removal cylinder; 502. fixing the rod; 503. a rotating shaft; 504. rotating the blades; 505. a tobacco collecting pipe; 506. a filter screen; 507. a connecting shaft; 508. an anti-blocking plate; 6. a connecting pipe; 7. a flue gas pipe; 8. a collection canister; 9. an arc plate; 10. and (4) a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the utility model provides a technical solution of an SCR low-temperature denitration apparatus:

the utility model provides a SCR low temperature denitration device, comprising a base plate 1, the last fixed surface of bottom plate 1 is connected with denitration tower 2, the fixed surface difference fixedly connected with intake pipe 3 and outlet duct 4 of denitration tower 2, the last fixed surface of bottom plate 1 is connected with dust removal subassembly 5, the last fixed surface connecting pipe 6 of dust removal subassembly 5, the one end of dust removal subassembly 5 and the one end fixed connection of intake pipe 3 are kept away from to connecting pipe 6, the fixed surface of dust removal subassembly 5 is connected with flue gas pipe 7.

In this embodiment, as shown in fig. 2-3, the dust removing assembly 5 includes a dust removing cylinder 501 fixedly connected to the upper surface of the bottom plate 1, and a fixing rod 502 is fixedly connected to the inner wall of the dust removing cylinder 501.

A rotation shaft 503 is rotatably connected to the upper surface of the fixing rod 502, and a rotation blade 504 is fixedly connected to the surface of the rotation shaft 503.

One end of the flue gas pipe 7 penetrates through the inner wall of the dust removing cylinder 501 and corresponds to the position of the rotating blade 504, so that the flue gas injected by the flue gas pipe 7 impacts on the rotating blade 504.

The upper surface of the dust removing cylinder 501 is fixedly connected with a smoke collecting pipe 505, the upper surface of the smoke collecting pipe 505 is fixedly connected with one end of the connecting pipe 6, a mounting hole is formed in the position, corresponding to the connecting pipe 6, of the upper surface of the smoke collecting pipe 505, and a filter screen 506 is fixedly connected to the inner wall of the mounting hole.

The top end of the rotating shaft 503 is fixedly connected with a connecting shaft 507, the top end of the connecting shaft 507 is fixedly connected with an anti-blocking plate 508, and the upper surface of the anti-blocking plate 508 is attached to the lower surface of the filter screen 506.

Specifically, flue gas pipe 7 is linked together with the pipe of discharging fume of external boiler, inject the flue gas into dust removal component 5 through flue gas pipe 7, and then make the flue gas striking on rotating blade 504, and then make the dust in the flue gas receive the striking and slow down, finally fall into in collecting vessel 8 under the effect of self gravity, simultaneously gas flows upwards, make the dust separation in the flue gas, further separate the dust to the flue gas through filter screen 506, prevent that partial dust from getting into in connecting pipe 6, will not contain the gas of dust and pour into denitration tower 2 in the reaction through connecting pipe 6, take place to rotate when the atress through rotating blade 504, and then drive axis of rotation 503 rotates, and then drive connecting shaft 507 rotates, and then drive anti-blocking plate 508 and rotate, strike off adnexed dust on the filter screen 506 through anti-blocking plate 508, make it fall into collecting vessel 8, avoid filter screen 506 to be blockked up.

In this embodiment, as shown in fig. 2, a collecting cylinder 8 is disposed on an inner bottom wall of a dust removing cylinder 501, an arc plate 9 is fixedly connected to a surface of the collecting cylinder 8, a through hole for the arc plate 9 to pass through is formed in a surface of the dust removing cylinder 501, and a handle 10 is fixedly connected to a surface of the arc plate 9.

Specifically, the user can conveniently pull out the arc plate 9 and the collecting cylinder 8 through the handle 10, so that the dust in the collecting cylinder 8 can be conveniently cleaned.

The working principle is as follows: when the SCR low-temperature denitration device is used, flue gas generated by an external boiler is injected into the dust removal component 5 through the flue gas pipe 7, the flue gas impacts the rotating blades 504, so that dust in the flue gas is impacted and decelerated, finally falls into the collecting barrel 8 under the action of self gravity, and flows upwards at the same time, so that the dust in the flue gas is separated, the flue gas after primary dust removal is further dedusted when passing through the filter screen 506, the dust is prevented from entering the connecting pipe 6, the gas without dust is injected into the denitration tower 2 through the connecting pipe 6 and the gas inlet pipe 3 to react, and is discharged from the gas outlet pipe 4 after reaction, in the process, the rotating blades 504 rotate when being impacted and stressed, the rotating blades 504 drive the rotating shaft 503 to rotate, the rotating shaft 503 drives the connecting shaft 507 to rotate, the connecting shaft 507 drives the anti-blocking plate 508 to rotate, and the anti-blocking plate 508 scrapes off the dust attached to the filter screen 506, make it fall into in the surge drum 8, avoid filter screen 506 to be blockked up, when the dust in the surge drum 8 needs to be cleared up, the user outwards stimulates handle 10 and takes arc plate 9 and surge drum 8 out, clears up the dust in the surge drum 8 to make this SCR low temperature denitration device have the effect that improves denitration effect and denitration efficiency.

It should also be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a SCR low temperature denitration device, includes bottom plate (1), its characterized in that: the utility model discloses a denitration device, including bottom plate (1), the last fixed surface of bottom plate (1) is connected with denitration tower (2), the fixed surface difference fixedly connected with intake pipe (3) and outlet duct (4) of denitration tower (2), the last fixed surface of bottom plate (1) is connected with dust removal subassembly (5), the last fixed surface connecting pipe (6) of dust removal subassembly (5), the one end of keeping away from dust removal subassembly (5) in connecting pipe (6) and the one end fixed connection of intake pipe (3), the fixed surface of dust removal subassembly (5) is connected with flue gas pipe (7).

2. The SCR low-temperature denitration device of claim 1, wherein: the dust removal component (5) comprises a dust removal cylinder (501) fixedly connected with the upper surface of the bottom plate (1), and a fixing rod (502) is fixedly connected to the inner wall of the dust removal cylinder (501).

3. The SCR low-temperature denitration device of claim 2, wherein: the upper surface of the fixing rod (502) is rotatably connected with a rotating shaft (503), and the surface of the rotating shaft (503) is fixedly connected with a rotating blade (504).

4. The SCR low-temperature denitration device of claim 1, wherein: one end of the flue gas pipe (7) penetrates through the inner wall of the dust removing cylinder (501) and corresponds to the position of the rotating blades (504), so that flue gas injected by the flue gas pipe (7) can impact on the rotating blades (504).

5. The SCR low-temperature denitration device of claim 2, wherein: the upper surface fixed connection of dust removal section of thick bamboo (501) has collection pipe (505), the upper surface of collection pipe (505) and the one end fixed connection of connecting pipe (6), the mounting hole has been seted up with the corresponding position of connecting pipe (6) to collection pipe (505) upper surface, and the inner wall fixed connection of mounting hole has filter screen (506).

6. The SCR low-temperature denitration device of claim 3, wherein: the top fixedly connected with connecting axle (507) of axis of rotation (503), the top fixedly connected with of connecting axle (507) prevents stifled board (508), and prevents the lower surface laminating of upper surface and filter screen (506) of stifled board (508).

7. The SCR low-temperature denitration device of claim 2, wherein: the inner bottom wall of the dust removing cylinder (501) is provided with a collecting cylinder (8), the surface of the collecting cylinder (8) is fixedly connected with an arc plate (9), the surface of the dust removing cylinder (501) is provided with a through hole for the arc plate (9) to pass through, and the surface of the arc plate (9) is fixedly connected with a handle (10).