CN109772055B - Dry dust filtering type ventilation unit - Google Patents
Dry dust filtering type ventilation unit Download PDFInfo
- Publication number
- CN109772055B CN109772055B CN201711130286.5A CN201711130286A CN109772055B CN 109772055 B CN109772055 B CN 109772055B CN 201711130286 A CN201711130286 A CN 201711130286A CN 109772055 B CN109772055 B CN 109772055B
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- China
- Prior art keywords
- gas channel
- dust
- ventilation unit
- shell
- clean gas
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- 239000000428 dust Substances 0.000 title claims abstract description 59
- 238000001914 filtration Methods 0.000 title claims abstract description 32
- 238000009423 ventilation Methods 0.000 title claims abstract description 23
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 22
- 231100000719 pollutant Toxicity 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims description 37
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 239000000356 contaminant Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 23
- 238000003466 welding Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of dust removal equipment, in particular to a dry dust filtering type ventilation unit. The main technical scheme is as follows: the dry dust filtering type ventilation unit comprises a shell, wherein the shell comprises a pollutant gas channel, a filter cartridge and a clean gas channel, an air inlet is formed in the upper part of the shell, and an air supply outlet is formed in the lower part of the shell; the filter cylinder is arranged on the inner side of the air inlet, the outlet of the filter cylinder is connected to the clean gas channel, and the tail end of the clean gas channel is connected to the air supply opening; the invention has the advantages of small investment, small occupied space, flexible design and arrangement, energy saving in operation and simple installation; the dust removing and filtering part adopts a surface film coated filter cylinder filter medium with higher filtering efficiency, the filtering efficiency for dust with more than 0.3 mu m is more than 99.9%, the dust removing and filtering part can automatically blow back and clean, is not limited by dust holding amount, and can continuously and effectively filter dust and flue gas in a welding factory building.
Description
Technical Field
The invention relates to a dry dust filtering type ventilation unit, and belongs to the technical field of dust removal equipment.
Background
With the development of new technology and new technology, dust pollutants are converted from a great amount of dust fall in the past to increasingly difficult to treat breathing dust, and dense and great amounts of small-particle-size pollution dust and aerosol with the particle size of 0.1-2.0 μm generated by many industrial enterprise technologies also bring about a plurality of industrial enterprise factory environment pollution problems and industrial building interior environment pollution problems, such as smoke pollution, chemical pollution and other various toxic and harmful gas pollution of the factory interior environment. These contaminations seriously affect and jeopardize the health of the practitioner, which can lead to various disease risks and even life threatening. The consequence of serious pollution has caused problems of medical burden and insufficient staff for a large number of enterprises, and seriously affects production; the dust-calling pollutant in the factory building leaks and ventilates through doors and windows and discharges and causes great negative influence on the surrounding air PM 2.5. Dust collecting equipment among the prior art has the dust removal effect poor, and the problem that the energy consumption is big mostly leads to the environmental protection of enterprise to be with high costs.
Disclosure of Invention
In order to solve the problems of large energy consumption, poor dust removal effect and inconvenient use in the prior art, the invention provides a dry dust filtering type ventilation unit which is applied to a large space.
The technical scheme of the invention is as follows: the dry dust filtering type ventilation unit comprises a shell, wherein the shell comprises a pollutant gas channel, a filter cartridge and a clean gas channel, an air inlet is formed in the upper part of the shell, and an air supply outlet is formed in the lower part of the shell; the filter cylinder is arranged on the inner side of the air inlet, the outlet of the filter cylinder is connected to the clean gas channel, and the tail end of the clean gas channel is connected to the air supply opening. The pollutant gas channel is a channel between the shell and the filter cartridge and between the shell and the clean gas channel.
Further, a back blowing system and a fan are arranged in the clean gas channel.
Further, a converging injection pipe is arranged between the filter cylinder and the clean gas channel, the back blowing system comprises a back blowing air bag and a back blowing pipe, the back blowing pipe is provided with an injection port, and the injection port is positioned below the inner part of the converging injection pipe.
Further, the fan is a variable frequency fan.
Further, the filter cartridge is downward in opening.
Further, a pollutant flow channel module is arranged in the clean gas channel and consists of a pollutant flow channel module structure body and an outer box plate;
the pollutant flow channel module structure body comprises a saddle-shaped top plate and a side plate which are connected with each other, the side edges of the side plate are obliquely arranged and connected with the ash guide plate, and the bottoms of the side plate and the ash guide plate are connected with the ash receiving groove; the back-blowing air bag is fixed in the sharp corner of the saddle-shaped top plate, the back-blowing pipe is connected below the back-blowing air bag, and the fan is fixed between the side plates.
Furthermore, an ash collecting vehicle is arranged below the ash receiving groove.
Further, a vibration ash cleaner is fixed in the gas channel of the pollutant flow channel module.
Further, the included angle of the saddle-shaped top plate is 60-75 degrees.
The beneficial effects of the invention are as follows:
(1) The invention has the advantages of small investment, small occupied space, flexible design and arrangement, energy saving in operation and simple installation;
(2) The dust removing and filtering part adopts a surface film coated filter cylinder filter medium with higher filtering efficiency, the filtering efficiency of dust with more than 0.3 mu m is more than 99.9%, the dust removing and filtering part can automatically blow back and clean, is not limited by dust holding amount, and can continuously and effectively filter dust and flue gas in a welding factory building;
(3) The equipment can not only meet the single machine function, but also be installed and applied in a cluster form for dust removal and purification of air of a large welding factory building; compared with the traditional large central dust removing unit, the invention has the advantages of small occupied space, low manufacturing cost, short construction period, small construction difficulty, high performance, low operation and maintenance cost and the like.
Drawings
FIG. 1 is a front view of a dry dust filtration ventilation unit;
FIG. 2 is a cross-sectional view A-A of a front view of a dry dust filtration ventilation unit in operation;
FIG. 3 is a cross-sectional view A-A of a front view of a dry dust filtration ventilation unit when shut down or back-blowing;
FIG. 4 is a side view of a dry dust filtration ventilation unit;
FIG. 5 is a section B-B of a side view of a dry dust filtration ventilation unit;
FIG. 6 is a cross-sectional view of a dry dust filtration ventilation unit manifold;
FIG. 7 is an S-view of FIG. 6;
FIG. 8 is a top view of a dry dust filtration ventilation unit;
FIG. 9 is a perspective view of a dry dust filtration ventilation unit;
FIG. 10 is a perspective view of a contaminant flow path module;
FIG. 11 is a partial schematic view of a contaminant flow channel module 1;
FIG. 12 is a partial schematic view of a contaminant flow channel module 2;
FIG. 13 is a front view of a contaminant flow path module;
FIG. 14 is a side view of a contaminant flow channel module;
FIG. 15 is a section C-C of FIG. 14;
fig. 16 is a top view of a contaminant flow channel module.
Wherein: 1. the device comprises a shell, 2, an air inlet, 3, a filter cylinder, 4, a converging injection pipe, 5, a back-blowing air bag, 6, a back-blowing pipe, 7, an ash collecting vehicle pulley, 8, a fan, 9, an air supply opening, 10, an ash collecting vehicle, 11, an injection port, 12, a vibration ash cleaner, 13, an outer box plate, 14, a pollutant flow channel module structure body, 141, a saddle-shaped top plate, 142, a side plate, 143, an ash guide plate, 144 and an ash receiving groove.
Detailed Description
The invention is further described with reference to the following detailed description and the accompanying figures 1-16:
the dry dust filtering type ventilation unit comprises a shell 1, wherein the shell 1 comprises a pollutant gas channel, a filter cylinder 3 and a clean gas channel, the upper part of the shell 1 is provided with an air inlet 2, and the lower part of the shell is provided with an air supply outlet 9; the filter cartridge 3 is arranged on the inner side of the air inlet 2, the outlet of the filter cartridge 3 is connected to a clean gas channel, and the tail end of the clean gas channel is connected to the air inlet 9. A back-blowing system and a fan 8 are arranged in the clean gas channel. The filter cartridge 3 and the clean gas channel are provided with a converging injection pipe 4, the back blowing system comprises a back blowing air bag 5 and a back blowing pipe 6, the back blowing pipe 6 is provided with an injection port 11, and the injection port 11 is positioned below the inner part of the converging injection pipe 4. The fan 8 is a variable frequency fan. The filter cylinder 3 is opened downwards. The clean gas channel is internally provided with a pollutant flow channel module which consists of a pollutant flow channel module structure body 14 and an outer box plate 13; the pollutant flow channel module structure body 14 comprises a saddle-shaped top plate 141 and a side plate 142 which are connected with each other, the side edges of the side plate 142 are obliquely arranged and connected with an ash guide plate 143, and the bottoms of the side plate 142 and the ash guide plate 143 are connected with an ash receiving groove 144; the back-blowing air bag 5 is fixed in the sharp corner of the saddle-shaped top plate 141, the back-blowing pipe 6 is connected below the back-blowing air bag 5, and the fan 8 is fixed between the side plates 142. The ash collecting vehicle 10 is arranged below the ash receiving groove 144. The gas channel of the pollutant flow channel module is internally fixed with a vibration ash cleaner 12. The saddle-shaped top plate 141 has an included angle of 60 °.
When the device is operated, a negative pressure area can be formed in the cavity of the device by the operation of the fan 8, air to be purified in a welding factory is continuously trapped and sucked into the device, air flow firstly enters the cavity of the device through the return air type self-hanging louver, part of pollutant dust collides with the return air type self-hanging louver and directly falls into the dust receiving groove 144, the other part of pollutant dust directly falls into the dust receiving groove after being filtered by the filter cylinder 3, dust particles and welding smoke dust are blocked or adsorbed on the surface of an external coating film of the filter cylinder 3, the filtering efficiency of the filter cylinder 3 for dust with the particle size of more than 0.3 mu m is more than 99.9%, and clean air entering a clean area is uniformly sent to an area with the distance of 0.5-2.0m from the ground through the replacement air supply opening 9 by the fan 8 after passing through the converging injection pipe 4.
When the device runs for a period of time, a lot of dust adheres to the outer wall of the filter cylinder 3, the pressure difference between the front and the rear of the filter cylinder 3 increases, the power consumption is increased, at this time, a back blowing system is automatically started to carry out back blowing ash removal on the filter cylinder 3, the back blowing system mainly comprises a back blowing air bag 5 and a back blowing pipe 6, when back blowing is carried out, the system can control an electromagnetic valve on the back blowing air bag 5 to be opened, as compressed air with the pressure of 0.5-0.6MPa is stored in the back blowing air bag 5, the back blowing air can be sprayed out from an injection port 11 of the back blowing pipe 6 at supersonic speed, when the air flows through a converging injection pipe 4 with venturi effect, a large amount of air flow can be injected into the converging injection pipe 4 and accelerated to be diffused into a cavity of the filter cylinder 3, air flow impact and vibration are formed on the filter cylinder 3, part of the air flow can be reversely discharged (from the inside of the filter cylinder 3 to the outside of the filter cylinder 3), and dust cakes adhered to the outer surface of the filter cylinder 3 can be removed by the air flow impact and vibration, so that the dust and dust cakes fall on the two sides of the guide plate 143 are converged into an ash connecting groove 144, thereby the ash removing object is achieved; at this time, the return air type self-hanging shutter installed at the air inlet 2 of the equipment can completely shield the reverse air flow to prevent dust from leaking out of the equipment. The cleaned dust passes through the two converging ash receiving grooves 144 on the two sides of the unit equipment and finally is converged into the ash collecting truck 10 at the bottom of the equipment. The ash collecting vehicle is provided with an ash collecting vehicle pulley 7.
The number of cartridges 3 of the present invention may be odd or even and may be arranged vertically, obliquely or laterally.
The above embodiments are only for illustrating the inventive concept of the present invention and not for limiting the protection of the claims of the present invention, and all the insubstantial modifications of the present invention using the concept shall fall within the protection scope of the present invention.
Claims (7)
1. The dry dust filtering type ventilation unit is characterized by comprising a shell (1), wherein the shell (1) comprises a pollutant gas channel, a filter cylinder (3) and a clean gas channel, an air inlet (2) is formed in the upper part of the shell (1), and an air supply outlet (9) is formed in the lower part of the shell; the filter cylinder (3) is arranged on the inner side of the air inlet (2), the outlet of the filter cylinder (3) is connected to a clean gas channel, and the tail end of the clean gas channel is connected to the air inlet (9); a back-blowing system and a fan (8) are arranged in the clean gas channel;
a converging injection pipe (4) is arranged between the filter cylinder (3) and the clean gas channel, the back blowing system comprises a back blowing air bag (5) and a back blowing pipe (6), the back blowing pipe (6) is provided with an injection port (11), and the injection port (11) is positioned below the converging injection pipe (4);
the clean gas channel is internally provided with a pollutant flow channel module, and the pollutant flow channel module consists of a pollutant flow channel module structure body (14) and an outer box plate (13);
the pollutant flow channel module structure body (14) comprises a saddle-shaped top plate (141) and side plates (142) which are connected with each other, the side edges of the side plates (142) are obliquely arranged and connected with an ash guide plate (143), and the bottoms of the side plates (142) and the ash guide plate (143) are connected with an ash receiving groove (144); the back-blowing air bag (5) is fixed in the sharp corner of the saddle-shaped top plate (141), the back-blowing pipe (6) is connected below the back-blowing air bag (5), and the fan (8) is fixed between the side plates (142).
2. A dry dust filtration ventilation unit according to claim 1, characterized in that the fan (8) is a variable frequency fan.
3. A dry dust filtration ventilation unit according to claim 1, characterized in that the filter cartridge (3) is open downwards.
4. The dry dust filtering ventilation unit of claim 1, characterized in that the dust collecting vehicle (10) is arranged below the dust receiving tank (144).
5. The dry dust filtration type ventilation unit as claimed in claim 1, wherein a vibration ash cleaner (12) is fixed in the gas passage of the contaminant flow path module.
6. Dry dust filtering ventilation unit according to claim 1, characterized in that the saddle-shaped roof (141) has an angle of 60-75 °.
7. The dry dust filtration ventilation unit of claim 1, wherein the apparatus is disposed in a tall space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130286.5A CN109772055B (en) | 2017-11-15 | 2017-11-15 | Dry dust filtering type ventilation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130286.5A CN109772055B (en) | 2017-11-15 | 2017-11-15 | Dry dust filtering type ventilation unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109772055A CN109772055A (en) | 2019-05-21 |
| CN109772055B true CN109772055B (en) | 2024-02-23 |
Family
ID=66493792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130286.5A Active CN109772055B (en) | 2017-11-15 | 2017-11-15 | Dry dust filtering type ventilation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109772055B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07180826A (en) * | 1993-12-22 | 1995-07-18 | Tokyo Electric Power Co Inc:The | Method and device for removing unburned carbon in coal ash |
| CN104624020A (en) * | 2015-03-11 | 2015-05-20 | 北京化工大学常州先进材料研究院 | Method for removing hydrogen sulphide and solid dust in gas |
| CN204522576U (en) * | 2015-01-15 | 2015-08-05 | 凯天环保科技股份有限公司 | The dust entirety served back under a kind of administers all-in-one |
| CN204976362U (en) * | 2015-06-11 | 2016-01-20 | 青岛路博宏业环保技术开发有限公司 | Workstation of polishing of distinguishing flavor of removes dust |
| CN205073799U (en) * | 2015-10-15 | 2016-03-09 | 长沙吉天环保科技有限公司 | Smoke dust purifying device |
| CN205308023U (en) * | 2015-12-29 | 2016-06-15 | 常州千帆环保科技有限公司 | It removes dust and adsorb to collect purifies in exhaust gas cleaner of an organic whole |
| WO2017185710A1 (en) * | 2016-04-29 | 2017-11-02 | 南通亚威机械制造有限公司 | Integrated apparatus for powdery material combining bulking with dust-collection |
| CN208145647U (en) * | 2017-11-15 | 2018-11-27 | 大连兆和环境科技股份有限公司 | Stemness dust-filtering formula ventilation unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2633894B1 (en) * | 2012-02-28 | 2016-04-27 | Pall Corporation | Hot gas filtration system and process for regenerating said system |
-
2017
- 2017-11-15 CN CN201711130286.5A patent/CN109772055B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07180826A (en) * | 1993-12-22 | 1995-07-18 | Tokyo Electric Power Co Inc:The | Method and device for removing unburned carbon in coal ash |
| CN204522576U (en) * | 2015-01-15 | 2015-08-05 | 凯天环保科技股份有限公司 | The dust entirety served back under a kind of administers all-in-one |
| CN104624020A (en) * | 2015-03-11 | 2015-05-20 | 北京化工大学常州先进材料研究院 | Method for removing hydrogen sulphide and solid dust in gas |
| CN204976362U (en) * | 2015-06-11 | 2016-01-20 | 青岛路博宏业环保技术开发有限公司 | Workstation of polishing of distinguishing flavor of removes dust |
| CN205073799U (en) * | 2015-10-15 | 2016-03-09 | 长沙吉天环保科技有限公司 | Smoke dust purifying device |
| CN205308023U (en) * | 2015-12-29 | 2016-06-15 | 常州千帆环保科技有限公司 | It removes dust and adsorb to collect purifies in exhaust gas cleaner of an organic whole |
| WO2017185710A1 (en) * | 2016-04-29 | 2017-11-02 | 南通亚威机械制造有限公司 | Integrated apparatus for powdery material combining bulking with dust-collection |
| CN208145647U (en) * | 2017-11-15 | 2018-11-27 | 大连兆和环境科技股份有限公司 | Stemness dust-filtering formula ventilation unit |
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| Publication number | Publication date |
|---|---|
| CN109772055A (en) | 2019-05-21 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zheng Xiang Inventor after: Lin Hongzhu Inventor after: Yao Weiqiang Inventor after: Zhao Xinxin Inventor after: Li Jian Inventor after: Wang Xu Inventor before: Lin Hongzhu Inventor before: Yao Weiqiang Inventor before: Zhao Xinxin Inventor before: Li Jian Inventor before: Wang Xu Inventor before: Zheng Xiang |
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Effective date of registration: 20191128 Address after: 116600, Jinzhou New District, Liaoning, Dalian double D digital 3 Road No. 8 Applicant after: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Applicant after: Beijing Air Research heating and cooling equipment installation engineering technology Co.,Ltd. Address before: 116600, Jinzhou New District, Liaoning, Dalian double D digital 3 Road No. 8 Applicant before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. |
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Address after: Floor 4, No. 300, Dongxin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215156 Applicant after: Suzhou Zhaohe Air System Co.,Ltd. Applicant after: Beijing Air Research heating and cooling equipment installation engineering technology Co.,Ltd. Address before: 116600 No.8, digital3 Road, shuangd port, Jinzhou new district, Dalian City, Liaoning Province Applicant before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Applicant before: Beijing Air Research heating and cooling equipment installation engineering technology Co.,Ltd. |
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