CN217698640U - Dust removal denitration desulfurization system that integrated level is high - Google Patents
Dust removal denitration desulfurization system that integrated level is high Download PDFInfo
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- CN217698640U CN217698640U CN202221784026.6U CN202221784026U CN217698640U CN 217698640 U CN217698640 U CN 217698640U CN 202221784026 U CN202221784026 U CN 202221784026U CN 217698640 U CN217698640 U CN 217698640U
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Abstract
The utility model relates to a field is administered to the flue gas, concretely relates to dust removal denitration desulfurization system that integrated level is high. Including casing and support, the casing side is provided with the flue gas entry, the flue gas entry communicates in proper order has desulfurization district anterior segment, desulfurization district back end, ash bucket, filter chamber, goes up box, catalysis room, gathers flue, exhanst gas outlet, desulfurization district anterior segment is provided with the desulfurizer mechanism of dusting, the ash bucket top is provided with the filter chamber, the filter bag is installed to the filter chamber, go up internal deashing mechanism and the denitration agent injection mechanism of being provided with of box, be provided with the catalysis room in the top of desulfurization district anterior segment, be provided with the catalyst in the catalysis room, the utility model discloses utilize the structure of conventional sack cleaner to increase desulfurization reaction area and denitration reaction area wherein, can accomplish desulfurization, denitration, dust removal work on an equipment, the utility model has the advantages of compact structure, area are little.
Description
Technical Field
The utility model relates to a flue gas treatment field, concretely relates to dust removal denitration desulfurization system that integrated level is high.
Background
At present, the air pollution becomes a global problem with the development of industry, the air pollution in China is characterized in that soot type pollution is mainly used, and the influence of pollutants such as dust, sulfur dioxide and the like on the environment is increasingly serious. Most of the processes and equipment for desulfurization, denitration and dedusting of flue gas of coal-fired boilers are developed independently, and respective technical systems and process flows are formed. In order to meet the requirement of environmental protection emission, namely removing SO2, NOx and dust in flue gas, the coal-fired boiler at least needs to be matched with more than two sets of independent desulfurization and denitrification systems, and sometimes even needs to be additionally provided with special dust removal equipment. Therefore, the whole set of equipment is large and complex in system, low in energy efficiency, large in occupied area, high in investment, very high in operation cost and inconvenient to use and maintain.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the dust removal, denitration and desulfurization system is low in cost, compact in structure and high in integration level, and aims to solve the problems that in the prior art, flue gas desulfurization, denitration and dust removal equipment is not compact in structure, large in occupied area and high in investment cost.
The utility model discloses a following technical scheme realizes, a dust removal denitration desulfurization system that integrated level is high, including casing and support, the casing side is provided with flue gas inlet, flue gas inlet intercommunication has desulfurization district anterior segment, desulfurization district back end, ash bucket, filter chamber, goes up box, catalysis room, gathers flue, exhanst gas outlet in proper order, desulfurization district anterior segment and desulfurization district back end are the flue gas passageway that sets up 180 gyrations in the casing, desulfurization district anterior segment is provided with desulfurizer powder spray mechanism, desulfurization district back end below and ash bucket intercommunication, the ash bucket top is provided with the filter chamber, the filter chamber top is provided with the card, install the filter bag on the card, the filter chamber top is provided with the box, be provided with deashing mechanism and denitrifier injection mechanism in the last box, be provided with the catalysis room in the top of desulfurization district anterior segment, be provided with the control intercommunication/lift valve that cuts off between catalysis room and the last box, be provided with the catalyst in the catalysis room, the catalyst top is for gathering the flue gas outlet, the exhanst gas outlet sets up the side of gathering.
Furthermore, the filter chamber, the upper box body and the catalytic chamber are all divided into a multi-chamber structure through partition plates, each filter chamber is communicated with one independent upper box body and one independent catalytic chamber, and the upper openings of the catalytic chambers are communicated with the collecting flue.
Further, for sufficient desulfurization reaction time, the length of the front section of the desulfurization zone is not less than 15m.
Furthermore, in order to ensure that the desulfurizer can be fully contacted with the flue gas, a Venturi structure is arranged in the front section of the desulfurization zone.
Further, for the desulfurizer can be abundant with the flue gas contact, be provided with the vortex device in the desulfurization district anterior segment, the vortex device forms for a plurality of vortex module equipment, the vortex module is provided with the vortex blade, makes the irregular turbulent flow of production in the desulfurization district front end, improves the contact rate of desulfurizer and flue gas, improves desulfurization effect.
Further, the desulfurizer sprayed by the desulfurizer powder spraying mechanism is baking soda. The baking soda has the advantage of high desulfurization efficiency.
Further, the denitration agent sprayed by the denitration agent spraying mechanism is ammonia water.
Furthermore, a plurality of guide plates are arranged between the front section of the desulfurization zone and the rear section of the desulfurization zone.
Furthermore, an airflow uniform distribution device is arranged between the rear section of the desulfurization zone and the ash bucket.
Further, the catalyst in the catalytic chamber has at least two layers.
The beneficial effects of the utility model are that:
1. the utility model discloses utilize the structure of conventional sack cleaner to increase desulfurization reaction zone and denitration reaction zone wherein, can accomplish desulfurization, denitration, dust removal work on an equipment, the utility model has the advantages of compact structure, area are little.
2. The utility model discloses the desulfurizer adopts baking soda to be provided with venturi structure and vortex device in the desulfurization district anterior segment, can make baking soda and flue gas take place abundant contact, and the desulfurization district anterior segment is provided with not less than 15m length, ensures that baking soda accomplishes the abundant reaction, improves desulfurization efficiency.
3. The utility model discloses a cost is lower.
4. Compare with traditional many equipment series connection, the utility model discloses a system resistance is less.
Drawings
FIG. 1 is a high-integration dust removal denitration desulfurization system's schematic structure diagram.
FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a sectional view taken at B-B in fig. 1.
In the figure: 1, a shell; 2, a bracket; 3, a flue gas inlet; 4, a front section of a desulfurization zone; 5, a rear section of a desulfurization zone; 6, an ash hopper; 7, filtering chamber; 8, mounting the box body; 9 a catalytic chamber; 10 collecting flues; 11 a flue gas outlet; 12 desulfurizer powder spraying mechanism; 13, a pattern plate; 14, a filter bag; 15 ash removal mechanism; 16 a denitrifier injection mechanism; 17 a poppet valve; 18 a catalyst; 19 a venturi structure; 20 a flow perturbation device; 21 a baffle plate; 22 air flow distribution device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
As shown in fig. 1-3, a dust removal, denitration and desulfurization system with high integration level includes a housing 1 and a support 2, a flue gas inlet 3 is disposed on a side surface of the housing 1, the flue gas inlet 3 is sequentially communicated with a desulfurization area front section 4, a desulfurization area rear section 5, an ash hopper 6, a filter chamber 7, an upper box body 8, a catalytic chamber 9, a collecting flue 10 and a flue gas outlet 11, the desulfurization area front section 4 and the desulfurization area rear section 5 are flue gas channels which are arranged in the housing 1 and rotate 180 degrees, the desulfurization area front section 4 is provided with a desulfurizer powder spraying mechanism 12, the lower part of the desulfurization area rear section 5 is communicated with the ash hopper 6, the filter chamber 7 is disposed above the ash hopper 6, a pattern plate 13 is disposed above the filter chamber 7, a filter bag 14 is mounted on the pattern plate 13, the upper box body 8 is disposed above the filter chamber 7, a dust cleaning mechanism 15 and a denitration agent spraying mechanism 16 are disposed in the upper box body 8, the catalytic chamber 9 is disposed above the desulfurization area front section 4, a poppet valve 17 for controlling communication/partition is disposed between the catalytic chamber 9 and the upper box body 8, a catalyst 18 is disposed in the catalyst chamber 18, and the flue gas outlet 10 is arranged above the collecting flue gas outlet 11.
In practical application, the filter chamber 7, the upper box body 8 and the catalytic chamber 9 are all divided into a multi-chamber structure through partition plates, each filter chamber 7 is communicated with an independent upper box body 8 and an independent catalytic chamber 9, and upper ports of the catalytic chambers 9 are communicated with a gathering flue 10.
In practical application, the length of the front section of the desulfurization zone is not less than 15m for sufficient desulfurization reaction time.
In practical application, in order to ensure that the desulfurizing agent can be fully contacted with the flue gas, a venturi structure 19 is arranged in the front section 4 of the desulfurization zone.
In practical application, for the desulfurizer can be abundant with the flue gas contact, be provided with vortex device 20 in desulfurization district anterior segment 4, vortex device 20 forms for the equipment of a plurality of vortex modules, the vortex module is provided with the vortex blade, makes the irregular turbulent flow of production in desulfurization district front end 4, improves the contact rate of desulfurizer and flue gas, improves desulfurization effect.
In practical application, the desulfurizer sprayed by the desulfurizer powder spraying mechanism 12 is baking soda. The baking soda has the advantage of high desulfurization efficiency.
In practical application, the denitration agent sprayed by the denitration agent spraying mechanism 16 is ammonia water.
In practical application, a plurality of guide plates 21 are arranged between the front desulfurization zone section 4 and the rear desulfurization zone section 5.
In practical application, an airflow uniform distribution device 22 is arranged between the rear section 5 of the desulfurization zone and the ash hopper 6.
In practical applications, the catalyst 18 in the catalyst chamber 9 has at least two layers.
The utility model discloses a theory of operation:
the utility model discloses utilize the structure of conventional sack cleaner to increase desulfurization reaction district and denitration reaction district wherein, desulfurization reaction district includes desulfurization district anterior segment 4 and desulfurization district back end 5, is and adds the flue gas passageway in conventional sack cleaner, is provided with desulfurizer powder spray mechanism 12 in the desulfurization district anterior segment 4, is close flue gas entry 3 and sprays baking soda, desulfurization district anterior segment 4 length at least 15m ensures sufficient reaction time, then the flue gas upwards comes filter chamber 7 from ash bucket 6, filters through the filter bag, filters the original dust of flue gas and desulfurization reactant, is provided with denitrifier injection mechanism 16 in last box 8, erupts the aqueous ammonia and the flue gas mixes, and the flue gas gets into catalytic chamber 9 through poppet valve 17 afterwards, be provided with two-layer catalyst 18 in the catalytic chamber 9, NOx in the flue gas under the catalytic action with the flue gas in the ammonia reaction generate nitrogen gas, accomplish desulfurization, dust removal, denitration reaction so far.
To sum up, a dust removal denitration desulfurization system that integrated level is high can accomplish desulfurization, denitration, dust removal work on an equipment, the utility model has the advantages of compact structure, area are little, the cost is lower.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (10)
1. The utility model provides a dust removal denitration desulfurization system that integrated level is high which characterized in that: the denitration catalyst comprises a shell (1) and a support (2), wherein a flue gas inlet (3) is formed in the side face of the shell (1), the flue gas inlet (3) is sequentially communicated with a desulfurization area front section (4), a desulfurization area rear section (5), an ash bucket (6), a filter chamber (7), an upper box body (8), a catalytic chamber (9), a gathering flue (10) and a flue gas outlet (11), the desulfurization area front section (4) and the desulfurization area rear section (5) are flue gas channels which are arranged in the shell (1) and rotate for 180 degrees, a desulfurizer powder spraying mechanism (12) is arranged on the desulfurization area front section (4), the lower portion of the desulfurization area rear section (5) is communicated with the ash bucket (6), the filter chamber (7) is arranged above the ash bucket (6), a pattern plate (13) is arranged above the filter chamber (7), a filter bag (14) is arranged on the pattern plate (13), the upper box body (8) is arranged above the filter chamber (7), a lift valve mechanism (15) and a desulfurizer spraying mechanism (16) are arranged in the upper box body (8), a catalytic lift valve mechanism (9) and a catalyst separation mechanism (17) are arranged above the desulfurization area front section (4), the catalytic chamber (9) and the upper box (9) are communicated with a catalyst separation chamber (17), a collecting flue (10) is arranged above the catalyst (18), and the flue gas outlet (11) is formed in the side face of the collecting flue (10).
2. The high-integration dedusting denitration and desulfurization system according to claim 1, characterized in that: the filtering chambers (7), the upper box body (8) and the catalytic chambers (9) are all separated into a multi-chamber structure through partition plates, each filtering chamber (7) is communicated with one independent upper box body (8) and one independent catalytic chamber (9), and the upper openings of the catalytic chambers (9) are communicated with the collecting flues (10).
3. The high-integration dedusting denitration and desulfurization system according to claim 2, characterized in that: the length of the front section of the desulfurization zone is not less than 15m.
4. The high-integration dedusting denitration and desulfurization system according to claim 3, characterized in that: and a Venturi structure (19) is arranged in the front section (4) of the desulfurization zone.
5. The high-integration dedusting denitration and desulfurization system according to claim 3, characterized in that: be provided with vortex device (20) in desulfurization district anterior segment (4), vortex device (20) are formed for the equipment of a plurality of vortex modules, the vortex module is provided with the vortex blade.
6. The high-integration dedusting denitration and desulfurization system according to claim 3, characterized in that: the desulfurizer sprayed by the desulfurizer powder spraying mechanism (12) is baking soda.
7. The dust removal, denitration and desulfurization system with high integration degree of the device of claim 3, which is characterized in that: the denitration agent sprayed by the denitration agent spraying mechanism (16) is ammonia water.
8. The high-integration dedusting denitration and desulfurization system according to claim 3, characterized in that: and a plurality of guide plates (21) are arranged between the front desulfurization zone section (4) and the rear desulfurization zone section (5).
9. The dust removal, denitration and desulfurization system with high integration degree of the device of claim 3, which is characterized in that: and an airflow uniform distribution device (22) is arranged between the rear section (5) of the desulfurization area and the ash bucket (6).
10. The high-integration dedusting denitration and desulfurization system according to claim 3, characterized in that: the catalyst (18) in the catalytic chamber (9) has at least two layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221784026.6U CN217698640U (en) | 2022-07-11 | 2022-07-11 | Dust removal denitration desulfurization system that integrated level is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221784026.6U CN217698640U (en) | 2022-07-11 | 2022-07-11 | Dust removal denitration desulfurization system that integrated level is high |
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| CN217698640U true CN217698640U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221784026.6U Active CN217698640U (en) | 2022-07-11 | 2022-07-11 | Dust removal denitration desulfurization system that integrated level is high |
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| CN (1) | CN217698640U (en) |
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2022
- 2022-07-11 CN CN202221784026.6U patent/CN217698640U/en active Active
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