CN218608819U

CN218608819U - Adjustable selective catalytic reduction denitration device

Info

Publication number: CN218608819U
Application number: CN202222971486.6U
Authority: CN
Inventors: 张忠其
Original assignee: Yixing Haina Environmental Engineering Co ltd
Current assignee: Yixing Haina Environmental Engineering Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-14
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a flue gas denitration technical field just discloses an adjustable selective catalytic reduction denitrification facility, including the SCR reactor, the bottom fixedly connected with outlet duct of SCR reactor, the right side fixedly connected with intake pipe of SCR reactor, the inner wall fixedly connected with joint board of SCR reactor, the inner wall of SCR reactor is located the middle part fixedly connected with spring of joint board, the one end fixedly connected with adjusting clamp plate of spring. This adjustable selective catalytic reduction denitrification facility takes catalyst module out from the inside of joint board, and the catalyst module laminating that will replace is in the inboard of adjusting splint after that, with the catalyst module propelling movement inwards, makes through the reseing of spring that adjust splint laminate all the time and forms the centre gripping to catalyst module in catalyst module's both sides, has ensured from this that this device has self-regulating function, has guaranteed the stability of catalyst module installation.

Description

Adjustable selective catalytic reduction denitration device

Technical Field

The utility model relates to a flue gas denitration technical field specifically is an adjustable selective catalytic reduction denitrification facility.

Background

The selective catalytic reduction denitration is a mature flue gas denitration technology, is a technology for denitration after a furnace, is also called SCR denitration, is the most widely applied flue gas denitration technology internationally at present, mainly adopts ammonia (NH 3) as a reducing agent to selectively reduce NOX into N2, and has the advantages of no by-product, no secondary pollution, simple device structure, high removal efficiency (up to more than 90 percent), reliable operation, convenient maintenance and the like.

Traditional SCR reactor is when using selective catalytic reduction denitration method to denitrate, through introducing the flue gas into the reactor, through leading-in ammonia and carry out catalytic reduction through the catalyst at later stage, and in the catalysis in-process, need use soot blower to carry out the ash removal operation to plate catalyst, avoid the catalyst to take place to block up, reduce catalytic reduction efficiency, but the dust that its soot blower blown away still is located the inside of reactor, still can influence the catalyst under the condition of long-term accumulation, and when it changes catalyst module at later stage, this kind of reactor can only install the catalyst of single specification, when facing the different catalyst module of specification, be difficult to adjust and install, we propose an adjustable selective catalytic reduction denitration device for this reason.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an adjustable selective catalytic reduction denitrification facility has solved the problem of proposing in the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides an adjustable selective catalytic reduction denitrification facility, includes the SCR reactor, the bottom fixedly connected with outlet duct of SCR reactor, the right side fixedly connected with intake pipe of SCR reactor, the inner wall fixedly connected with joint board of SCR reactor, the inner wall of SCR reactor is located the middle part fixedly connected with spring of joint board, the one end fixedly connected with of spring adjusts splint, the outside fixedly connected with communicating pipe of SCR reactor, the outside fixedly connected with dust collecting pipe of communicating pipe.

Preferably, the top fixedly connected with rack of intake pipe, the rack has played the effect of unified installation shower nozzle as the space of placing of this device, the top fixedly connected with of rack synthesizes the air duct.

Preferably, the spray head is arranged inside the placing frame, the spray head has the effect of directly guiding ammonia gas and air into the SCR reactor to react with flue gas, the placing frame is communicated with the SCR reactor, and the spray head of the placing frame is positioned inside the SCR reactor.

Preferably, the outside fixedly connected with of SCR reactor inboard accomodates the frame, the inside fixedly connected with sound wave soot blower of accomodating the frame, accomodate frame and SCR reactor intercommunication each other, through SCR reactor and accomodate frame intercommunication each other for the one end of sound wave soot blower can directly blow the ash operation to the top of SCR reactor inside catalyst module.

Preferably, adjust splint and be located the inside of joint board, the one end of adjusting splint is the hypotenuse setting, and it sets up the convenience that the installation got into when having made things convenient for the catalyst module of different specifications of later stage change, and adjusts the top and the bottom of splint and support with the joint board, the inside joint of adjusting splint has catalyst module.

Preferably, the outside of SCR reactor is equipped with the sliding door, and the sliding door has made things convenient for the effect of later stage change catalyst module, the bottom of ash collecting pipe is equipped with the shut, and the shut has ensured that the ash collecting pipe can directly open the effect that the ash collecting pipe cleared up the dust of inside after using the completion, communicating pipe communicates with each other with the inside of SCR reactor.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this adjustable selective catalytic reduction denitrification facility, through the joint board at SCR reactor inner wall fixed connection, when the different catalyst module of specification need be changed to this device, at first open the positive sliding door of SCR reactor, then take catalyst module out from the inside of joint board, the catalyst module laminating of following the replacement is in the inboard of adjusting splint, push away catalyst module is interior, the both sides of making the adjusting splint laminate all the time at catalyst module through the restoration of spring form the centre gripping to catalyst module, ensured from this that this device has self-regulating function, the stability of catalyst module installation has been guaranteed.

2. This adjustable selective catalytic reduction denitrification facility, through communicating pipe at the outside fixed connection of SCR reactor, when this device need blow the ash to the surface of the inside catalyst module of SCR reactor through the sound wave soot blower and handle, at first start the sound wave soot blower, blow the ash back through the sound wave soot blower, the dust enters into communicating pipe inside corresponding with the catalyst module, and enter into the inside of collection ash pipe, but this device denitration is accomplished the back, open the sealing door of collection ash pipe bottom, can be with the inside dust clearance of collection ash pipe, the catalytic effect after blowing the ash of this device has been improved from this.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a sectional view of the structure of the present invention;

fig. 4 is a schematic structural view of the adjusting clamp of the present invention.

In the figure: 1. an SCR reactor; 2. an air outlet pipe; 3. an air inlet pipe; 4. placing a rack; 5. a comprehensive gas guide tube; 6. a storage rack; 7. a sound wave soot blower; 8. a clamping and connecting plate; 9. a spring; 10. adjusting the clamping plate; 11. a communicating pipe; 12. an ash collecting pipe; 13. a catalyst module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, an adjustable selective catalytic reduction denitration device comprises an SCR reactor 1, the SCR reactor 1 is used as a catalytic reaction generation place of the device, which is a prior art, and the specific model is a major brand SCR reactor produced by shanghai major environmental protection technologies ltd, the interior of which has the effect of bearing a catalyst module 13, so that flue gas flowing inside the SCR reactor 1 can inevitably pass through the catalyst module 13, and then catalytic reduction reaction is performed to complete denitration, thereby improving the practicability of the device, the bottom of the SCR reactor 1 is fixedly connected with an air outlet pipe 2, the air outlet pipe 2 is used as an exhaust outlet of the device and is used for exhausting reduced air outwards, the right side of the SCR reactor 1 is fixedly connected with an air inlet pipe 3, and the air inlet pipe 3 is used as an air inlet of the device, the device has the advantages that external smoke is directly introduced into the SCR reactor 1 for catalytic reduction, the inner wall of the SCR reactor 1 is fixedly connected with the clamping plate 8, the clamping plate 8 serves as a fixed limiting structure of the device and has the effect of limiting the catalyst module 13, the effect of auxiliary sealing of two sides of the catalyst module 13 is ensured, the smoke is prevented from being omitted when passing through the catalyst module 13, the catalytic comprehensiveness is improved, the inner wall of the SCR reactor 1 is fixedly connected with the spring 9 in the middle of the clamping plate 8, the spring 9 serves as a resetting structure of the device and has the effect of providing thrust for the adjusting clamp plate 10, the adjusting clamp plate 10 is always kept attached to the surface of the catalyst module 13, the catalyst module 13 takes Ti base material 2, takes V2 base 5 as a main active ingredient, takes W03 and M03 as auxiliary ingredients for oxidation resistance and toxicity resistance, and in with the board-like installation that exists and this device, splint 10 is adjusted to spring 9's one end fixedly connected with, adjust splint 10 as the clamping structure of this device, it has played the effect of carrying out spacing centre gripping with catalyst module 13, and the one end of adjusting splint 10 is the hypotenuse setting, the propelling movement entering of later stage catalyst module 13 has been made things convenient for, the outside fixedly connected with communicating pipe 11 of SCR reactor 1, communicating pipe 11 is as the air pipe of this device, it has been guaranteed to have led into the inside effect of dust collecting pipe 12 with the inside dust that is blown away from of SCR reactor 1, the outside fixedly connected with dust collecting pipe 12 of communicating pipe 11, dust collecting pipe 12 has played the effect of collecting the dust that blows away from in the flue gas.

Referring to fig. 3-4, a placing frame 4 is fixedly connected to the top of the air inlet pipe 3, the placing frame 4 serves as a placing space of the device, and plays a role of installing nozzles in a centralized manner, and ensures the comprehensiveness of introducing ammonia gas and air, the top of the placing frame 4 is fixedly connected with a comprehensive air duct 5, the comprehensive air duct 5 serves as an access structure of the device, and plays a role of accessing external air into the SCR reactor 1, the nozzles are installed inside the placing frame 4, the placing frame 4 is communicated with the SCR reactor 1, the nozzles of the placing frame 4 are located inside the SCR reactor 1, an accommodating frame 6 is fixedly connected to the outside of the inside of the SCR reactor 1, the accommodating frame 6 serves as an accommodating structure of the device, and plays a role of supporting the acoustic wave soot blower 7, the acoustic wave soot blower 7 is fixedly connected to the inside of the accommodating frame 6, the acoustic wave soot blower 7 serves as a soot blowing component of the device, the acoustic wave soot blower 7 plays a role of blowing off dust at the top of the catalyst module 13, the catalytic reduction effect of the device is ensured, the accommodating frame 6 is communicated with the SCR reactor 1, the adjusting clamp plate 10 is located inside of the clamping plate 8, the adjusting clamp plate is provided with a bottom of the SCR reactor 12, and a communicating pipe is provided with an internal reaction door 12 for communicating with the SCR reactor 12, and a communicating pipe for communicating with the SCR reactor 1.

The working principle is as follows: when the device is used, when the device needs to perform denitration by using a selective catalytic reduction denitration method, firstly, flue gas is introduced into the SCR reactor 1 through the air inlet pipe 3, then, outside ammonia gas, air and the like are comprehensively introduced into the SCR reactor 1 through the comprehensive air guide pipe 5 and then react with the flue gas, the reacted flue gas passes through the catalyst module 13 in the SCR reactor 1 and is subjected to catalytic reduction through the catalyst module 13 module, the acoustic soot blower 7 is started in the catalytic reduction process of the catalyst module 13, the blocked dust on the top of the catalyst module 13 is blown into the corresponding communicating pipe 11 in an oscillating manner by starting the acoustic soot blower 7 and finally enters the dust collecting pipe 12, after denitration is completed, a sealing door at the bottom of the dust collecting pipe 12 is opened and cleaned, when the device needs to replace catalyst modules 13 with different specifications, the sliding door at the front side of the SCR reactor 1 is firstly opened, then, the catalyst modules 13 are pulled out from the inside of the clamping plate 8, new catalyst modules 13 are attached to the inner side of the adjusting clamping plate 10 and are pushed into the catalyst modules 8, and the catalyst modules are clamped on two sides of the adjusting clamping plate 9 all the time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable selective catalytic reduction denitrification facility, includes SCR reactor (1), its characterized in that: the bottom fixedly connected with outlet duct (2) of SCR reactor (1), the right side fixedly connected with intake pipe (3) of SCR reactor (1), the inner wall fixedly connected with joint board (8) of SCR reactor (1), the inner wall of SCR reactor (1) is located middle part fixedly connected with spring (9) of joint board (8), the one end fixedly connected with adjusting clamp plate (10) of spring (9), outside fixedly connected with communicating pipe (11) of SCR reactor (1), outside fixedly connected with dust collecting pipe (12) of communicating pipe (11).

2. The adjustable selective catalytic reduction denitration device according to claim 1, wherein: the top fixedly connected with rack (4) of intake pipe (3), the top fixedly connected with of rack (4) synthesizes air duct (5).

3. The adjustable selective catalytic reduction denitration device according to claim 2, wherein: the novel SCR reactor is characterized in that a spray head is arranged inside the placing frame (4), the placing frame (4) is communicated with the SCR reactor (1), and the spray head of the placing frame (4) is located inside the SCR reactor (1).

4. The adjustable selective catalytic reduction denitration device according to claim 1, wherein: the SCR reactor is characterized in that a storage frame (6) is fixedly connected to the outer side of the inner side of the SCR reactor (1), a sound wave soot blower (7) is fixedly connected to the inner side of the storage frame (6), and the storage frame (6) is communicated with the SCR reactor (1).

5. The adjustable selective catalytic reduction denitration device according to claim 1, wherein: adjust splint (10) and be located the inside of joint board (8), and adjust the top and the bottom of splint (10) and offset with joint board (8), the inside joint of adjusting splint (10) has catalyst module (13).

6. The adjustable selective catalytic reduction denitration device of claim 1, wherein: the outside of SCR reactor (1) is equipped with the sliding door, the bottom of ash collecting pipe (12) is equipped with seals the door, communicating pipe (11) and the inside of SCR reactor (1) communicate each other.