CN216986760U - A high temperature dust removal SCR denitration integrated device for cement trade - Google Patents
A high temperature dust removal SCR denitration integrated device for cement trade Download PDFInfo
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- CN216986760U CN216986760U CN202220175917.5U CN202220175917U CN216986760U CN 216986760 U CN216986760 U CN 216986760U CN 202220175917 U CN202220175917 U CN 202220175917U CN 216986760 U CN216986760 U CN 216986760U
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- filter bag
- metal filter
- scr denitration
- corrugated metal
- catalytic reaction
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Abstract
The utility model discloses a high-temperature dust removal SCR denitration integrated device for cement industry, which comprises: the device comprises a processing body, a catalytic reaction layer and a corrugated metal filter bag, wherein a containing chamber is formed in the processing body, the catalytic reaction layer and the corrugated metal filter bag are fixedly arranged in the containing chamber, an air outlet is formed at the top of the containing chamber, an air inlet is formed on the side wall of the containing chamber, the air inlet is aligned to the corrugated metal filter bag, the catalytic reaction layer is positioned above the corrugated metal filter bag, and the catalytic reaction layer is positioned below the air outlet; the utility model has the characteristics of reducing the occupied area and improving the treatment effects of dust removal and denitration.
Description
Technical Field
The utility model relates to the technical field of denitration devices in the cement industry, in particular to a high-temperature dust removal SCR denitration integrated device for the cement industry.
Background
At present, in a cement kiln tail flue gas denitration process technical route, an SCR denitration technology is a mature technical route in China, but due to the characteristic of high dust concentration of cement kiln tail flue gas, the SCR denitration catalyst is easy to cause catalyst blockage, abrasion and poisoning if the flue gas with high dust concentration is on the straight surface. Therefore, a high-temperature low-dust integrated technical route is proposed at present, the filtering air speed of a metal filter bag of the technical route is generally 0.9m/min, a cylindrical traditional metal filter bag is adopted, the occupied area of the whole equipment is large, the available empty space at the tail of most of cement kilns is small at present, large-size equipment is not placed, the whole equipment adopts an upper air inlet side air outlet mode, air flow is not uniformly distributed on a catalyst layer, and the dust removal and denitration treatment effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-temperature dust removal and SCR denitration integrated device for the cement industry, which can reduce the floor area and improve the dust removal and denitration treatment effect.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
A high temperature dust removal SCR denitration integrated device for cement trade includes: the device comprises a processing body, a catalytic reaction layer and a corrugated metal filter bag, wherein a containing chamber is formed in the processing body, the catalytic reaction layer and the corrugated metal filter bag are fixedly arranged in the containing chamber, an air outlet is formed in the top of the containing chamber, an air inlet is formed in the side wall of the containing chamber, the air inlet is aligned to the corrugated metal filter bag, the catalytic reaction layer is positioned above the corrugated metal filter bag, and the catalytic reaction layer is positioned below the air outlet.
The bottom of the accommodating chamber is provided with a plurality of ash hoppers which are arranged at intervals.
The utility model provides a high temperature dust removal SCR denitration integrated device for cement trade, still includes electrostatic precipitator, electrostatic precipitator holds and locates in the air inlet.
The anode plate of the electric dust collector adopts a louver board.
The air outlet is in a horn shape with a narrow upper part and a wide lower part.
The air inlet is in a horn shape with a wide upper part and a narrow lower part.
After the technical scheme is adopted, the corrugated metal filter bag, the top of the accommodating chamber form the air outlet and the side wall of the accommodating chamber form the air inlet, the corrugated metal filter bag can reduce the size of the required accommodating chamber, so that the size of the processing body can be reduced, the occupied area required by the utility model is reduced, in addition, the air inlet is aligned to the corrugated metal filter bag, the catalytic reaction layer is positioned above the corrugated metal filter bag, the top of the accommodating chamber forms the air outlet, so that the cement kiln tail flue gas can enter from the air inlet positioned on the side wall of the accommodating chamber, is fully processed by the corrugated metal filter bag, is processed by the catalytic reaction layer and finally exits from the air outlet, and the dust removal and denitration processing effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an electric precipitator of the present invention;
FIG. 3 is a schematic structural diagram of an anode plate of an electric dust collector of the present invention;
FIG. 4 is a sectional view of the pleated metal filter bag of the present invention.
[ notation ] to show
Pleated metal filter bag 3
The louver plates 41.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
Referring to fig. 1 to 4, the present invention discloses a high temperature dust removal and SCR denitration integrated device for cement industry, which includes: the treatment device comprises a treatment body 1, a catalytic reaction layer 2 and a corrugated metal filter bag 3, wherein a containing chamber 11 is formed in the treatment body 1, the catalytic reaction layer 2 and the corrugated metal filter bag 3 are fixedly arranged in the containing chamber 11, an air outlet 13 is formed at the top of the containing chamber 11, an air inlet 12 is formed on the side wall of the containing chamber 11, the air inlet 12 is oppositely positioned on the corrugated metal filter bag 3, the catalytic reaction layer 2 is positioned above the corrugated metal filter bag 3, and the catalytic reaction layer 2 is positioned below the air outlet 13; the size phi of the corrugated metal filter bag 3 can be 130-200 mm, and the length can be 3-8 m.
Therefore, according to the utility model, through the structural design that the corrugated metal filter bag 3, the air outlet 13 formed at the top of the accommodating chamber 11 and the air inlet 12 formed at the side wall of the accommodating chamber 11 are arranged, the corrugated metal filter bag 3 can reduce the size of the required accommodating chamber 11, so that the size of the processing body 1 can be reduced, and the occupied area required by the utility model can be reduced, and because the air inlet 12 is opposite to the corrugated metal filter bag 3, the catalytic reaction layer 2 is positioned above the corrugated metal filter bag, and the air outlet 13 is formed at the top of the accommodating chamber 11, the cement kiln tail flue gas can enter from the air inlet 12 positioned at the side wall of the accommodating chamber 11, be fully processed by the corrugated metal filter bag 3, and then be processed by the catalytic reaction layer 2 and finally be discharged from the air outlet 13, so that the dust removal and denitration processing effects are improved, the flue gas is uniformly distributed on the catalytic reaction layer 2, and the escape of ammonia is reduced; compared with the traditional metal filter bag, the pleated metal filter bag 3 has the advantages that the filtering area of the pleated metal filter bag 3 is 2-3 times that of the traditional metal filter bag, the overall floor area of the pleated metal filter bag is saved by about one half, and the overall steel consumption is saved by one half compared with that of the original structure.
Furthermore, in order to facilitate the dust impurities blocked by the pleated metal filter bag 3 to be discharged out of the chamber 11, a plurality of ash hoppers 14 arranged at intervals may be formed at the bottom of the chamber 11.
Next, in order to improve the dust removing effect, the present invention may further include an electric dust collector 4, wherein the electric dust collector 4 is accommodated in the air inlet 12, so that the gas entering the accommodating chamber 11 of the present invention can be treated by the electric dust collector 4.
Further, in order to increase the dust collecting area, the anode plate of the electric dust collector 4 may employ a louver 41.
In addition, for convenience of air outlet, the air outlet 13 may be in a horn shape with a narrow top and a wide bottom.
Further, in order to facilitate air intake, the intake port 12 may have a horn shape with a wide top and a narrow bottom.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention, so that the changes and modifications made by the claims and the specification of the present invention should fall within the scope of the present invention.
Claims (6)
1. The utility model provides a high temperature dust removal SCR denitration integrated device for cement trade which characterized in that includes: the device comprises a processing body, a catalytic reaction layer and a corrugated metal filter bag, wherein a containing chamber is formed in the processing body, the catalytic reaction layer and the corrugated metal filter bag are fixedly arranged in the containing chamber, an air outlet is formed in the top of the containing chamber, an air inlet is formed in the side wall of the containing chamber, the air inlet is aligned to the corrugated metal filter bag, the catalytic reaction layer is positioned above the corrugated metal filter bag, and the catalytic reaction layer is positioned below the air outlet.
2. The integrated high-temperature dedusting and SCR denitration device for the cement industry as set forth in claim 1, is characterized in that: the bottom of the accommodating chamber is provided with a plurality of ash hoppers which are arranged at intervals.
3. The integrated high-temperature dedusting and SCR denitration device for the cement industry as set forth in claim 1, is characterized in that: still include electrostatic precipitator, electrostatic precipitator holds and locates in the air inlet.
4. The integrated high-temperature dedusting and SCR denitration device for the cement industry as set forth in claim 3, is characterized in that: the anode plate of the electric dust collector adopts a louver board.
5. The integrated device for high-temperature dust removal and SCR denitration in the cement industry as claimed in any one of claims 1 to 4, wherein: the air outlet is in a horn shape with a narrow upper part and a wide lower part.
6. The integrated device for high-temperature dust removal and SCR denitration in the cement industry as claimed in any one of claims 1 to 4, wherein: the air inlet is in a horn shape with a wide upper part and a narrow lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220175917.5U CN216986760U (en) | 2022-01-21 | 2022-01-21 | A high temperature dust removal SCR denitration integrated device for cement trade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220175917.5U CN216986760U (en) | 2022-01-21 | 2022-01-21 | A high temperature dust removal SCR denitration integrated device for cement trade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216986760U true CN216986760U (en) | 2022-07-19 |
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ID=82390408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220175917.5U Active CN216986760U (en) | 2022-01-21 | 2022-01-21 | A high temperature dust removal SCR denitration integrated device for cement trade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216986760U (en) |
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2022
- 2022-01-21 CN CN202220175917.5U patent/CN216986760U/en active Active
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