CN204051275U - A kind of desulphurization denitration filter bag - Google Patents
A kind of desulphurization denitration filter bag Download PDFInfo
- Publication number
- CN204051275U CN204051275U CN201420494408.4U CN201420494408U CN204051275U CN 204051275 U CN204051275 U CN 204051275U CN 201420494408 U CN201420494408 U CN 201420494408U CN 204051275 U CN204051275 U CN 204051275U
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- Prior art keywords
- air outlet
- filter bag
- outlet annulus
- vertical tube
- wind
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a kind of desulphurization denitration filter bag, comprise the filter bag of tubular and be arranged at described filter bag inner support skeleton, described support frame comprises the air outlet annulus being arranged at upper end and the disk that keeps out the wind being arranged at lower end, and described air outlet annulus and described keeping out the wind between disk are provided with longitudinal bracing muscle and annular brace rod; Described air outlet annulus is also provided with suction tube, described suction tube comprises the expansion mouth of the taper vertical tube part consistent with diameter, the upper end that described expansion mouth bore is larger connects described air outlet annulus, the lower end that described expansion mouth bore is less connects described vertical tube part upper end, the length of described vertical tube part is 0.8 ~ 1.0 times of described support frame length, and the sidewall of described vertical tube part is evenly provided with some wind distributing holes.The utility model can avoid local desulphurization denitration catalyst loss, and the uniformity of the sulfide improved in air and nitrogen oxide and desulphurization denitration catalyst exposure.
Description
Technical field
The utility model relates to a kind of desulphurization denitration filter bag, belongs to dust-filtering environment-friendly products manufacturing technology field.
Background technology
The industries such as the energy, chemical industry, metallurgy, electronics and field all can relate to the burning operation of the fuel such as coal, oil, natural gas, can contain a large amount of sulfide and nitrogen oxide in the tail gas that above-mentioned fuel discharges after combustion, also have a large amount of flue dust simultaneously; Flue dust can make atmospheric visibility reduction, photosynthesis of plant weakens, affects the PFT of humans and animals and causes relevant disease; Sulfide can form acid rain in an atmosphere, and corrosion building, affects plant growth and can be detrimental to health; Nitrogen oxide not only can form acid rain in an atmosphere, also can form photochemical fog in an atmosphere, and can consume ozone so that damage the ozone layer.Therefore, the industries such as the energy, chemical industry, metallurgy, electronics all need the operation tail gas of burning being carried out to desulphurization denitration dedusting, thus make the tail gas of discharge meet the emission request of environmental protection.
For the large desulfurization denitration device that some vent gas treatment amounts are larger, main employing basic component carries out desulphurization denitration operation, form according to operation can be divided into dry method and wet method: the basic component that dry method adopts is mainly the powdery agent such as lime, is combined and reaches the object of desulphurization denitration in desulphurization denitration tower with the flue gas of burning; The basic component that wet method mainly adopts is mainly the alkaline solutions such as NaOH, ammoniacal liquor or limewash, be that alkaline solution is risen to desulphurization denitration tower desired height by power with pump, desulphurization denitration tower is sprayed into inner through nozzle, make it to contact with the combustion product gases upwards run from desulphurization denitration tower bottom, thus sulfide in absorption combustion product gases and nitrogen oxide, and the dust of sedimentation humidity.
But for the less occasion of some vent gas treatment amounts, use large desulfurization denitration device, it is obviously unpractical for building desulphurization denitration tower, therefore, need to provide a kind of dedusting filtering bag combining desulphurization denitration function, thus reduce the operating cost of desulphurization denitration, improve the healthy and safe property of production operation environment and ensure the feature of environmental protection that industrial tail gas discharges.Some are disclosed at the coating of needled mat surface or the dedusting filtering bag of impregnated desulfurization denitrating catalyst in prior art, as conventional iron oxide, zinc oxide desulfurization catalyst, be carrier with titanium dioxide, take vanadic anhydride as the denitrating catalyst of main active, but coating or the local desulphurization denitration catalyst be immersed on dedusting filtering bag easily run off under long-term negative pressure exhausting and the uneven purging effect of pressure-air, and the uniformity of sulfide in air and nitrogen oxide and desulphurization denitration catalyst exposure also needs to be further improved.
Utility model content
The utility model is just for the deficiency that prior art exists, a kind of desulphurization denitration filter bag is provided, the uniformity of pressure-air purging effect can be improved, thus avoid the situation being coated with or being immersed in the local desulphurization denitration catalyst loss on dedusting filtering bag to occur, and the uniformity of the sulfide improved in air and nitrogen oxide and desulphurization denitration catalyst exposure.
For solving the problem, technical solution adopted in the utility model is as follows:
A kind of desulphurization denitration filter bag, comprise: the filter bag of tubular and be arranged at described filter bag inner support skeleton, described support frame is for supporting described filter bag, described support frame comprises the air outlet annulus being arranged at upper end and the disk that keeps out the wind being arranged at lower end, described air outlet annulus and described keeping out the wind between disk are provided with longitudinal bracing muscle, described longitudinal bracing muscle is some and rounded distribution, described air outlet annulus and the described annular brace rod be also provided with between disk for connecting some described longitudinal bracing muscle that keeps out the wind, described annular brace rod is positioned at the inner side of some described longitudinal bracing muscle, described air outlet annulus is also provided with suction tube, described suction tube comprises the expansion mouth of the taper vertical tube part consistent with diameter, the upper end that described expansion mouth bore is larger connects described air outlet annulus, the lower end that described expansion mouth bore is less connects described vertical tube part upper end, described vertical tube part lower end is also provided with bottom, the length of described vertical tube part is 0.8 ~ 1.0 times of described support frame length, and the sidewall of described vertical tube part is evenly provided with some wind distributing holes.
As the improvement of technique scheme, described suction tube also comprises the installation portion of annular, and described installation portion is attached at described air outlet annulus upper end, and the upper end that described expansion mouth bore is larger connects the inward flange of described installation portion; Described air outlet annulus inward flange is provided with in-flanges, described air outlet annulus outward flange is provided with flanging, the described disk edge that keeps out the wind is provided with edge flange, the upper end of described longitudinal bracing muscle connects the lateral surface of described in-flanges, and the lower end of described longitudinal bracing muscle connects the lateral surface of described edge flange.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
A kind of desulphurization denitration filter bag described in the utility model, by arranging support frame and the suction tube of described structure in filter bag, and optimize the structure of support frame, the number of dropouts of desulphurization denitration catalyst under long-term negative pressure exhausting and the effect of pressure-air purging that can reduce coating or be immersed on dedusting filtering bag, and the uniformity of the sulfide improved in air and nitrogen oxide and desulphurization denitration catalyst exposure; In addition, the utility model also provides a kind of preferred syndeton being convenient to the support frame assembly processed.
Accompanying drawing explanation
Fig. 1 is support framework structure schematic diagram described in the utility model;
Fig. 2 is suction tube structural representation described in the utility model;
Fig. 3 is air outlet circular ring structure schematic diagram described in the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments content of the present utility model is described.
As shown in Figure 1 to Figure 3, be a kind of desulphurization denitration structure of filter bag schematic diagram described in the utility model.A kind of desulphurization denitration filter bag described in the utility model, comprise: the filter bag of tubular and be arranged at described filter bag inner support skeleton, described support frame is for supporting described filter bag, described support frame comprises the air outlet annulus 1 being arranged at upper end and the disk 2 that keeps out the wind being arranged at lower end, described air outlet annulus 1 and described keeping out the wind between disk 2 are provided with longitudinal bracing muscle 3, described longitudinal bracing muscle 3 is some and rounded distribution, described air outlet annulus 1 and the described annular brace rod 4 be also provided with between disk 2 for connecting some described longitudinal bracing muscle 3 that keeps out the wind, described annular brace rod 4 is positioned at the inner side of some described longitudinal bracing muscle 3, described air outlet annulus 1 is also provided with suction tube 5, described suction tube 5 comprises the expansion mouth 51 of the taper vertical tube part 52 consistent with diameter, the upper end that described expansion mouth 51 bore is larger connects described air outlet annulus 1, the lower end that described expansion mouth 51 bore is less connects described vertical tube part 52 upper end, described vertical tube part 52 lower end is also provided with bottom 53, the length of described vertical tube part 52 is 0.8 ~ 1.0 times of described support frame length, and the sidewall of described vertical tube part 52 is evenly provided with some wind distributing holes 55.Specifically preferably, described suction tube 5 also comprises the installation portion 54 of annular, and described installation portion 54 is attached at described air outlet annulus 1 upper end, and the upper end that described expansion mouth 51 bore is larger connects the inward flange of described installation portion 54; Described air outlet annulus 1 inward flange is provided with in-flanges 11, described air outlet annulus 1 outward flange is provided with flanging 12, described disk 2 edge that keeps out the wind is provided with edge flange 21, the upper end of described longitudinal bracing muscle 3 connects the lateral surface of described in-flanges 11, and the lower end of described longitudinal bracing muscle 3 connects the lateral surface of described edge flange 21.
Support frame and the suction tube 5 of described structure are set in filter bag, when negative pressure exhausting and pressure-air can be made to purge, air-flow more uniformly acts on the sidewall of filter bag differing heights position, avoid the excessive filter bag distortion caused of local air flow, thus reduce the loss being coated with or being immersed in the desulphurization denitration catalyst on dedusting filtering bag and cause under the rubbing effect of filter bag distortion; Annular brace rod 4 is arranged at the inner side of some longitudinal bracing muscle 3, be conducive to filter bag to be set in outside support frame on the one hand, be conducive to planarization when keeping filter bag to be set in outside support frame on the other hand, thus reduce the desulphurization denitration catalyst loss caused at sharp projection position further; Suction tube 5 is set at air outlet annulus 1, contributes to air intake is full of equably between the upper and lower side of filter bag, thus the uniformity of the sulfide be conducive in raising air and nitrogen oxide and desulphurization denitration catalyst exposure.Preferably, the mounting structure of suction tube 5, annular brace rod 4 and longitudinal bracing muscle 3 is convenient to processing and produces, and can improve support frame working (machining) efficiency and cut down finished cost.
Above content is in conjunction with specific embodiments to the detailed description that the utility model is done, and can not assert that the utility model is specifically implemented to be only limitted to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as the scope belonging to the utility model protection.
Claims (2)
1. a desulphurization denitration filter bag, it is characterized in that, comprise: the filter bag of tubular and be arranged at described filter bag inner support skeleton, described support frame is for supporting described filter bag, described support frame comprises the air outlet annulus (1) being arranged at upper end and the disk that keeps out the wind (2) being arranged at lower end, longitudinal bracing muscle (3) is provided with between described air outlet annulus (1) and the described disk that keeps out the wind (2), described longitudinal bracing muscle (3) is for some and rounded distribution, the annular brace rod (4) for connecting some described longitudinal bracing muscle (3) is also provided with between described air outlet annulus (1) and the described disk that keeps out the wind (2), described annular brace rod (4) is positioned at the inner side of some described longitudinal bracing muscle (3), described air outlet annulus (1) is also provided with suction tube (5), described suction tube (5) comprises the expansion mouth (51) of the taper vertical tube part (52) consistent with diameter, the upper end that described expansion mouth (51) bore is larger connects described air outlet annulus (1), the lower end that described expansion mouth (51) bore is less connects described vertical tube part (52) upper end, described vertical tube part (52) lower end is provided with bottom (53), the length of described vertical tube part (52) is 0.8 ~ 1.0 times of described support frame length, and the sidewall of described vertical tube part (52) is evenly provided with some wind distributing holes (55).
2. a kind of desulphurization denitration filter bag as claimed in claim 1, it is characterized in that, described suction tube (5) also comprises the installation portion (54) of annular, described installation portion (54) is attached at described air outlet annulus (1) upper end, and the upper end that described expansion mouth (51) bore is larger connects the inward flange of described installation portion (54); Described air outlet annulus (1) inward flange is provided with in-flanges (11), described air outlet annulus (1) outward flange is provided with flanging (12), the described disk that keeps out the wind (2) edge is provided with edge flange (21), the upper end of described longitudinal bracing muscle (3) connects the lateral surface of described in-flanges (11), and the lower end of described longitudinal bracing muscle (3) connects the lateral surface at described edge flange (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420494408.4U CN204051275U (en) | 2014-08-30 | 2014-08-30 | A kind of desulphurization denitration filter bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420494408.4U CN204051275U (en) | 2014-08-30 | 2014-08-30 | A kind of desulphurization denitration filter bag |
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| Publication Number | Publication Date |
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| CN204051275U true CN204051275U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420494408.4U Expired - Fee Related CN204051275U (en) | 2014-08-30 | 2014-08-30 | A kind of desulphurization denitration filter bag |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771793A (en) * | 2016-05-24 | 2016-07-20 | 石家庄鼎锋制药设备有限公司 | Fluidized bed granulator and filtering and reverse blowing control process |
| CN107413127A (en) * | 2017-06-28 | 2017-12-01 | 江苏鼎盛滤袋有限公司 | A kind of efficient dedusting filtering bag |
| CN108339934A (en) * | 2018-02-06 | 2018-07-31 | 杨成武 | A kind of hollow wax matrix and preparation method thereof |
| CN111773920A (en) * | 2020-06-15 | 2020-10-16 | 中材节能股份有限公司 | Be applied to integrated dust removal catalytic unit of low temperature denitration |
-
2014
- 2014-08-30 CN CN201420494408.4U patent/CN204051275U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771793A (en) * | 2016-05-24 | 2016-07-20 | 石家庄鼎锋制药设备有限公司 | Fluidized bed granulator and filtering and reverse blowing control process |
| CN107413127A (en) * | 2017-06-28 | 2017-12-01 | 江苏鼎盛滤袋有限公司 | A kind of efficient dedusting filtering bag |
| CN108339934A (en) * | 2018-02-06 | 2018-07-31 | 杨成武 | A kind of hollow wax matrix and preparation method thereof |
| CN111773920A (en) * | 2020-06-15 | 2020-10-16 | 中材节能股份有限公司 | Be applied to integrated dust removal catalytic unit of low temperature denitration |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |