CN210171177U - A high-efficiency and wear-resistant long spray gun for SNCR denitration - Google Patents
A high-efficiency and wear-resistant long spray gun for SNCR denitration Download PDFInfo
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- CN210171177U CN210171177U CN201920986229.5U CN201920986229U CN210171177U CN 210171177 U CN210171177 U CN 210171177U CN 201920986229 U CN201920986229 U CN 201920986229U CN 210171177 U CN210171177 U CN 210171177U
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- spray gun
- sleeve
- sleeve pipe
- wear
- sncr denitration
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Abstract
本实用新型涉及一种高效率耐磨损SNCR脱硝用长喷枪，包括第一套管和第二套管，第一套管和第二套管内均设有溶剂管路，溶剂管路一端设有溶剂入口，第一套管与第二套管之间设有固定板，第二套管的主体上设有若干喷嘴，喷嘴均与溶剂管路连通。喷枪的末端及喷杆上均设有喷嘴，并采用多喷扰流设计，使还原剂喷洒分布更均匀，反应更充分；喷枪上设有活动销，并通过电子控制机构控制还原剂喷射速度，此设计可以实现对单个喷枪的精细控制，并使控制更灵活；喷枪的固定板以活动卡扣的方式安装在安装套管上，可以方便对喷枪维护。
The utility model relates to a long spray gun for high-efficiency wear-resistant SNCR denitration, which comprises a first sleeve and a second sleeve. The first sleeve and the second sleeve are both provided with a solvent pipeline, and one end of the solvent pipeline is provided with a The solvent inlet is provided with a fixing plate between the first sleeve and the second sleeve, and a plurality of nozzles are arranged on the main body of the second sleeve, and the nozzles are all communicated with the solvent pipeline. There are nozzles at the end of the spray gun and on the spray rod, and the multi-spray turbulent flow design is adopted to make the reductant spray more evenly distributed and the reaction is more sufficient. This design can realize fine control of a single spray gun and make the control more flexible; the fixing plate of the spray gun is installed on the installation sleeve in a way of movable snap, which can facilitate the maintenance of the spray gun.
Description
Technical Field
The utility model relates to a stand wear and tear SNCR denitration of high efficiency and use long spray gun belongs to SNCR denitration technical field.
Background
The SNCR is selective non-catalytic reduction, which means that a reducing agent is sprayed into a temperature window suitable for denitration reaction under the action of no catalyst to reduce nitrogen oxides in flue gas into harmless nitrogen and water. The technology generally adopts ammonia, urea or hydroammonia acid sprayed in a furnace as a reducing agent to reduce NOX. The reducing agent only neutralizes NO in the flue gasXThe reaction, which is generally not reactive with oxygen, does not employ a catalyst, so this process is referred to as a selective non-catalytic reduction process. The denitration spray gun is an important component of SNCR denitration, most SNCR denitration spray guns used at present are provided with a single nozzle or the nozzles are all arranged on a spray rod, so that insufficient denitration reaction is easily generated, and the denitration efficiency is low; most of the existing denitration spray guns control the spraying or stopping of the reducing agent through a reducing agent supply system, and the control mode is inflexible and is not beneficial to singly controlling the spray guns; and present denitration spray gun adopts the fixed mode of bolt to fix on the flue mostly, and the maintenance of spray gun is very inconvenient.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: provides a high-efficiency wear-resistant long spray gun for SNCR denitration, which aims to solve the defects.
A high efficiency stand wear and tear long spray gun for SNCR denitration, including first sleeve pipe and second sleeve pipe, first sleeve pipe and second sleeve pipe are hollow structure, all are equipped with the solvent pipeline in first sleeve pipe and the second sleeve pipe, solvent pipeline one end in the first sleeve pipe and the solvent pipeline intercommunication in the second sleeve pipe, the other end is equipped with the solvent entry, is equipped with the fixed plate between first sleeve pipe and the second sleeve pipe, the one end that the fixed plate was kept away from to the second sleeve pipe is equipped with the nozzle, be equipped with a plurality of nozzles in the sheathed tube main part of second, the nozzle all communicates with the solvent pipeline.
Preferably, the second sleeve is externally provided with a protective layer which is made of high-temperature wear-resistant material, and the spray gun is prolonged in service life under severe high-speed, high-temperature and dust-containing use environments in a long-sleeve protective layer mode.
Preferably, the fixed plate is a buckle type fixing mechanism, a mounting sleeve is arranged at the mounting position of the spray gun, the fixed plate of the spray gun and the mounting sleeve are fixed in a sealing mode in a movable buckle mode, and the mounting sleeve is filled with a fireproof heat-insulating material.
Preferably, the first sleeve is provided with a movable pin, one end of the movable pin is connected with the electronic control mechanism, the other end of the movable pin is arranged in the solvent pipeline, and the movable pin controls the reducing agent to start spraying and stop spraying through the electronic control mechanism and controls the spraying speed of the reducing agent.
The working principle and the process are as follows:
the installation position of the spray gun is determined according to smooth simulation and temperature field simulation, the installation sleeve is fixed at the installation position of the spray gun, the installation sleeve is filled with a refractory thermal insulation material, and a fixing plate of the spray gun and the installation sleeve are fixed in a sealing mode in a movable buckling mode. The reducing agent enters the solvent pipeline through the solvent inlet and is sprayed out through the nozzle to carry out denitration reaction, and in the process, the spraying speed of the reducing agent is controlled through the movable pin.
Compared with the prior art, the utility model beneficial effect who has is:
the tail end of the spray gun and the spray rod are both provided with nozzles, and a multi-spray turbulence design is adopted, so that the reducing agent is sprayed and distributed more uniformly, and the reaction is more sufficient; the movable pin is arranged on the spray gun, and the injection speed of the reducing agent is controlled by the electronic control mechanism, so that the design can realize fine control on a single spray gun and ensure that the control is more flexible; the fixed plate of the spray gun is arranged on the mounting sleeve in a movable buckle mode, so that the spray gun can be conveniently maintained.
Drawings
FIG. 1 is a schematic structural view of a long spray gun for SNCR denitration with high efficiency and abrasion resistance;
in the figure: 1. a first sleeve; 2. a solvent line; 3. a protective layer; 4. a second sleeve; 5. a nozzle; 6. a fixing plate; 7. A movable pin; 8. and a solvent inlet.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings:
as shown in fig. 1, a high efficiency is stand wear and tear long spray gun for SNCR denitration, including first sleeve pipe 1 and second sleeve pipe 4, first sleeve pipe 1 and second sleeve pipe 4 are hollow structure, all be equipped with solvent pipeline 2 in first sleeve pipe 1 and the second sleeve pipe 4, 2 one end of solvent pipeline in the first sleeve pipe 1 and the solvent pipeline 2 intercommunication in the second sleeve pipe 4, the other end is equipped with solvent entry 8, be equipped with fixed plate 6 between first sleeve pipe 1 and the second sleeve pipe 4, the one end that fixed plate 6 was kept away from to second sleeve pipe 4 is equipped with nozzle 5, be equipped with a plurality of nozzles 5 in the main part of second sleeve pipe 4, nozzle 5 all communicates with solvent pipeline 2.
The protective layer 3 is arranged outside the second sleeve 4, the protective layer 3 is made of high-temperature wear-resistant materials, and the spray gun is prolonged in service life under severe high-speed, high-temperature and dust-containing use environments in a mode of being sleeved with the protective layer in a long mode.
The fixed plate 6 is a buckle type fixing mechanism, a mounting sleeve is arranged at the mounting position of the spray gun, the fixed plate 6 of the spray gun and the mounting sleeve are fixed in a sealing mode in a movable buckle mode, and the mounting sleeve is filled with a fireproof heat-insulating material.
The first sleeve 1 is provided with a movable pin 7, one end of the movable pin 7 is connected with an electronic control mechanism, the other end of the movable pin 7 is arranged in the solvent pipeline 2, and the movable pin 7 controls the reducing agent to start spraying and stop spraying through the electronic control mechanism and controls the spraying speed of the reducing agent.
The installation position of the spray gun is determined according to smooth simulation and temperature field simulation, the installation sleeve is fixed at the installation position of the spray gun, the installation sleeve is filled with a refractory thermal insulation material, and the fixing plate 6 of the spray gun and the installation sleeve are fixed in a sealing mode in a movable buckling mode. The reducing agent enters the solvent pipeline 2 through the solvent inlet and is sprayed out through the nozzle 5 to carry out denitration reaction, and in the process, the spraying speed of the reducing agent is controlled through the movable pin 7.
The tail end of the spray gun and the spray rod are both provided with the spray nozzles 5, and the design of multi-spray turbulence is adopted, so that the reducing agent is sprayed and distributed more uniformly, and the reaction is more sufficient; the movable pin 7 is arranged on the spray gun, and the injection speed of the reducing agent is controlled by the electronic control mechanism, so that the design can realize fine control on a single spray gun and ensure that the control is more flexible; the fixed plate 6 of the spray gun is arranged on the mounting sleeve in a movable buckling mode, so that the spray gun can be conveniently maintained.
Claims (6)
1. The utility model provides a high efficiency is stand wear and tear long spray gun for SNCR denitration, includes first sleeve pipe (1) and second sleeve pipe (4), its characterized in that: first sleeve pipe (1) and second sleeve pipe (4) be hollow structure, first sleeve pipe (1) and second sleeve pipe (4) in all be equipped with solvent pipeline (2), solvent pipeline (2) one end in first sleeve pipe (1) and solvent pipeline (2) intercommunication in second sleeve pipe (4), the other end is equipped with solvent entry (8), first sleeve pipe (1) and second sleeve pipe (4) between be equipped with fixed plate (6), second sleeve pipe (4) keep away from the one end of fixed plate (6) and be equipped with nozzle (5), be equipped with a plurality of nozzles (5) in the main part of second sleeve pipe (4), nozzle (5) all communicate with solvent pipeline (2).
2. The high-efficiency wear-resistant long spray gun for SNCR denitration according to claim 1, wherein: and a protective layer (3) is arranged outside the second sleeve (4).
3. The high-efficiency wear-resistant long lance for SNCR denitration according to claim 2, wherein: the protective layer (3) is made of high-temperature wear-resistant material.
4. The high-efficiency wear-resistant long spray gun for SNCR denitration according to claim 1, wherein: the fixing plate (6) is a buckle type fixing mechanism.
5. The high-efficiency wear-resistant long spray gun for SNCR denitration according to claim 1, wherein: the first sleeve (1) is provided with a movable pin (7).
6. The high-efficiency wear-resistant long lance for SNCR denitration according to claim 5, wherein: one end of the movable pin (7) is connected with the electronic control mechanism, and the other end is arranged in the solvent pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986229.5U CN210171177U (en) | 2019-06-26 | 2019-06-26 | A high-efficiency and wear-resistant long spray gun for SNCR denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986229.5U CN210171177U (en) | 2019-06-26 | 2019-06-26 | A high-efficiency and wear-resistant long spray gun for SNCR denitration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210171177U true CN210171177U (en) | 2020-03-24 |
Family
ID=69839272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920986229.5U Expired - Fee Related CN210171177U (en) | 2019-06-26 | 2019-06-26 | A high-efficiency and wear-resistant long spray gun for SNCR denitration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210171177U (en) |
-
2019
- 2019-06-26 CN CN201920986229.5U patent/CN210171177U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 |