CN108434961A - Industrial waste gas purification device of low energy consumption - Google Patents
Industrial waste gas purification device of low energy consumption Download PDFInfo
- Publication number
- CN108434961A CN108434961A CN201810350382.9A CN201810350382A CN108434961A CN 108434961 A CN108434961 A CN 108434961A CN 201810350382 A CN201810350382 A CN 201810350382A CN 108434961 A CN108434961 A CN 108434961A
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- Prior art keywords
- bag
- air inlet
- filter
- gas
- waste gas
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a low-energy-consumption industrial waste gas purification device, which comprises a washing tower and a bag-type dust collector, wherein a liquid outlet and a gas inlet communicated with a waste gas source are arranged at the bottom of the washing tower, a plurality of packing layers are arranged at the middle section in the washing tower from top to bottom, a spray pipe is arranged above the packing layers and is connected with an external alkaline liquid tank, spray holes in the spray pipe are arranged towards the packing layers, an active carbon drying layer is arranged at the top in the washing tower, close to the gas outlet, a heating resistance wire is arranged in the active carbon drying layer, an insulating layer is wrapped outside the heating resistance wire, and the heating resistance wire is electrically connected with an external power supply through; and a stirring device is arranged in the alkaline liquid box, and the alkaline liquid box is connected with the soap liquid box through a feeding pipe. The device has a simple structure, can not only carry out high-efficiency desulfurization and denitrification operation on the waste gas, but also remove moisture mixed in the waste gas, and prevent the waste gas carrying the moisture from entering the bag-type dust remover and causing the moisture absorption, caking and hardening of the surface of the filter bag.
Description
Technical field
The invention belongs to field of environment protection equipment more particularly to a kind of industrial waste-gas purifiers of low energy consumption.
Background technology
Currently, with industrialized fast development, how purified treatment is carried out to the exhaust gas generated in industrial production, eliminated
Sulfide, itrated compound and other graininess sundries carried in exhaust gas so that exhaust gas qualified discharge is thus not to atmospheric environment
Generate pollution.
The prior art mainly adopts lye sprays with to exhuast gas desulfurization denitration, but particulate matter can not be by treated exhaust gas
It completely removes, it is still necessary to which bag filter is dusted it processing, but treated that exhaust gas has is certain wet for desulphurization denitration
Degree be easy to cause the filter bag surface dirt caking of bag filter, while bag filter in the prior art mostly uses pulse
Device impacts filter bag so that filter bag shakes off the dust that surface is saved bit by bit to prevent from blocking, but pulser is also required to consumption energy, no
Conducive to the realization of energy saving purpose.
Invention content
The object of the present invention is to provide a kind of industrial waste-gas purifier of low energy consumption, the configuration of the present invention is simple not only may be used
To carry out high-efficiency desulfurization denitration operation to exhaust gas, and the moisture being mingled in exhaust gas can be removed, prevent exhaust gas carry moisture into
Enter bag filter and causes the caking hardening of the filter bag surface moisture absorption.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of industrial waste-gas purifier of low energy consumption, including scrubbing tower and bag filter, scrubbing tower top are equipped with exhaust outlet,
The air inlet of bag filter and the exhaust outlet of scrubbing tower are connected by pipeline, the wash tower bottoms be equipped with leakage fluid dram and with
The air intake of exhaust gas source connection, scrubbing tower inside stage casing are from top to bottom equipped with several packing layers, spray tube are equipped with above packing layer,
Spray tube is connect with extraneous lye tank, and the spray apertures on spray tube are arranged towards packing layer, and scrubbing tower inner top is close to row
Activated carbon drying layer is equipped at gas port, activated carbon drying layer is internally provided with resistive heater, and package is equipped with outside resistive heater
Insulating layer, and resistive heater is electrically connected with extraneous power supply by power switch；Agitating device, alkali are equipped in the lye tank
Liquid case is connect by charge pipe with soap lye case.
Preferably, it is filled with spheres of ceramic in described filler layer, several through-holes are offered on spheres of ceramic.
Preferably, gas outlet is equipped at the top of the bag filter, the filter that bottom is equipped with ash bucket, is internally provided with open top
Bag, filter bag open top is connected to gas outlet, the air inlet of bag filter include be opened in the enterprising gas ports of outer wall both sides with
Lower air inlet, enterprising gas port are arranged higher than lower air inlet, and the pipeline for connecting the air inlet and scrubbing tower exhaust outlet is equipped with wind
Machine, the interior closure door being equipped with for blocking air inlet of bag filter, closure door top is hinged with bag filter inner wall；The filter bag
The upper and lower sleeve integrating of outer wall be equipped with upper throw-out collar and lower throw-out collar, the upper and lower connecting rod one end being obliquely installed be respectively articulated with throw-out collar and under
Throw-out collar, the other end are all hinged bag filter inner wall, the stage casing of upper and lower connecting rod respectively by push rod and upper and lower air inlet at
Closure door is hinged.
Preferably, the closure door, throw-out collar, connecting rod and push rod are made of PVC plastic.
The course of work of the present invention is as follows：
The soap solution in soap lye case is added in lye tank first with charge pipe, and is stirred evenly by agitating device, so
Exhaust gas is discharged into scrubbing tower from the air intake of wash tower bottoms afterwards, then utilizes spray tube by the akaline liquid in lye tank from spray
It drenches hole to spray, lye drops in packing layer first, due to being filled with spheres of ceramic in packing layer, and offers on spheres of ceramic logical
Hole, so packing layer can adsorb exhaust gas well and it is made fully to be contacted with akaline liquid, to remove the sulfide in exhaust gas
And itrated compound, and due to being mixed with liquid soap in akaline liquid, it is easy between spheres of ceramic and spheres of ceramic it is logical
Blister liquid film is formed at hole, improves the contact area of exhaust gas and akaline liquid once again.Certain akaline liquid also can be from packing layer
Drop up and down, exhaust gas can also be in direct contact akaline liquid in uphill process and carry out desulphurization denitration operation, and final exhaust gas, which rises to, to be washed
Activated carbon drying layer is contacted when washing top of tower, the moisture in exhaust gas is tightly held by activated carbon, while resistive heater can also be powered
To carry out heating and dehumidification to exhaust gas, prevent exhaust gas from carrying more moisture and entering in bag filter by pipeline.It is described to add
It is enclosed with insulating layer outside hot water radiation wire, prevents contact with moisture resistive heater from causing electric conduction phenomena.Alkalies in scrubbing tower
Body is finally discharged and is collected from leakage fluid dram, can be recycled.
By desulphurization denitration treated exhaust gas（Exhaust gas is after dehumidifying and heats, and can effectively remove moisture, prevent water
Divide and enters bag filter）Under the action of wind turbine, cloth bag is discharged into from the upper and lower air inlet of bag filter by pipeline simultaneously
In deduster：Due to being hinged with closure door on bag filter inner wall, and seals up a door and close upper and lower air inlet under Gravitative Loads, institute
With exhaust gas open-top closure door is needed when entering inside bag filter, and the air blast of wind turbine（Outside air can be blasted pipeline,
Exhaust gas in pipeline can also be extracted out and blast pipeline after draught fan impeller accelerates）The certain kinetic energy of exhaust gas can be given to push up
Break a seal door.When closure door is pushed, exhaust gas enters in bag filter, while sealing up a door and being rotated around top hinged place, this is resulted in
Closure door drives push rod to move up, and push rod is hinged with connecting rod, and connecting rod two end is respectively articulated with bag filter inner wall and corresponding throw-out collar, this
It results in corresponding throw-out collar and makees the action far from corresponding air inlet, i.e.,：Closure door at enterprising gas port is driven by corresponding push rod to be connected
Bar bottom end is moved, so that upper connecting rod pushes upper throw-out collar and filter bag top far from enterprising gas port；Closure door at lower air inlet is logical
It crosses corresponding push rod and drives the movement of lower link bottom end, so that lower link pushes lower throw-out collar and filter bag lower part far from lower air inlet.
In this way, filter bag upper and lower part moves backward, the shake of filter bag entirety is realized, to remove the dust of filter bag appearance absorption, prevent
Dust blocks filter bag filter opening.Likewise, when the exhaust gas jacking force that closure door resets or closure door is subject to is uneven（Change can be used in wind turbine
Frequency wind turbine can adjust rotating speed or carry out intermittent startup and closing, so that the exhaust gas jacking force that closure door is subject to is not
Together）, the shake of filter bag is will also result in, and then shake off dust.Final exhaust gas passes through filter bag, and particulate matter is by sock filtration so that clean
Net gas drains into the external world from gas outlet at the top of cloth envelop collector.
Dust in bag filter falls into ash bucket, and staff's time opening ash bucket carries out deashing operation.
Compared with prior art, the present invention having the following advantages that：The configuration of the present invention is simple, it is ingenious in design, using exhaust gas into
The power entered in bag filter pushes filter bag to shake indirectly so that shake occurs for filter bag to shake off dust, simultaneously.
Description of the drawings
Fig. 1 is the structural schematic diagram of the industrial waste-gas purifier of low energy consumption in specific implementation mode.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of industrial waste-gas purifier of low energy consumption, including scrubbing tower 1 and bag filter 2, washing
1 top of tower is equipped with exhaust outlet, and the air inlet of bag filter 2 is connect with the exhaust outlet of scrubbing tower 1 by pipeline 3, the washing
The air intake 16 that 1 bottom of tower is equipped with leakage fluid dram 17 and is connected to exhaust gas source, 1 inside stage casing of scrubbing tower are from top to bottom equipped with several
Packing layer 11, packing layer 11 is interior to be filled with spheres of ceramic, and several through-holes are offered on spheres of ceramic.11 top of packing layer is equipped with spray
Shower pipe 12, spray tube 12 are connect with extraneous lye tank 18, and the spray apertures 13 on spray tube 12 are arranged towards packing layer 11, wash
It washs 1 inner top of tower and is equipped with activated carbon drying layer 14 close to exhaust ports, activated carbon drying layer 14 is internally provided with resistive heater 15,
15 outside package of resistive heater is equipped with insulating layer, and resistive heater 15 is electrically connected with extraneous power supply by power switch；
Agitating device is equipped in the lye tank 18, lye tank 18 is connect by charge pipe with soap lye case 19.
The filter bag that 2 top of the bag filter is equipped with ash bucket 22, is internally provided with open top equipped with gas outlet, bottom
21,21 open top of filter bag is connected to gas outlet, and the air inlet of bag filter 2 includes the enterprising gas port for being opened in outer wall both sides
27 and lower air inlet 28, enterprising gas port 27 is arranged higher than lower air inlet 28, connects the pipe of the air inlet and scrubbing tower exhaust outlet
Road 3 is equipped with wind turbine 31, and the closure door 4 for blocking air inlet, 4 top of closure door and bag filter 2 are equipped in bag filter 2
Inner wall is hinged；The upper and lower sleeve integrating of outer wall of the filter bag 21 is equipped with upper throw-out collar 23 and lower throw-out collar 24, the upper connecting rod being obliquely installed
25,26 one end of lower link is respectively articulated with throw-out collar 23 and lower throw-out collar 24, and the other end is all hinged 2 inner wall of bag filter, connects above and below
The stage casing of bar is hinged by the closure door 4 at push rod 41 and upper and lower air inlet respectively.
The closure door, throw-out collar, connecting rod and push rod are made of PVC plastic.
The course of work of the present invention is as follows：
The soap solution in soap lye case is added in lye tank first with charge pipe, and is stirred evenly by agitating device, so
Exhaust gas is discharged into scrubbing tower from the air intake of wash tower bottoms afterwards, then utilizes spray tube by the akaline liquid in lye tank from spray
It drenches hole to spray, lye drops in packing layer first, due to being filled with spheres of ceramic in packing layer, and offers on spheres of ceramic logical
Hole, so packing layer can adsorb exhaust gas well and it is made fully to be contacted with akaline liquid, to remove the sulfide in exhaust gas
And itrated compound, and due to being mixed with liquid soap in akaline liquid, it is easy between spheres of ceramic and spheres of ceramic it is logical
Blister liquid film is formed at hole, improves the contact area of exhaust gas and akaline liquid once again.Certain akaline liquid also can be from packing layer
Drop up and down, exhaust gas can also be in direct contact akaline liquid in uphill process and carry out desulphurization denitration operation, and final exhaust gas, which rises to, to be washed
Activated carbon drying layer is contacted when washing top of tower, the moisture in exhaust gas is tightly held by activated carbon, while resistive heater can also be powered
To carry out heating and dehumidification to exhaust gas, prevent exhaust gas from carrying more moisture and entering in bag filter by pipeline.It is described to add
It is enclosed with insulating layer outside hot water radiation wire, prevents contact with moisture resistive heater from causing electric conduction phenomena.Alkalies in scrubbing tower
Body is finally discharged and is collected from leakage fluid dram, can be recycled.
By desulphurization denitration treated exhaust gas（Exhaust gas is after dehumidifying and heats, and can effectively remove moisture, prevent water
Divide and enters bag filter）Under the action of wind turbine, cloth bag is discharged into from the upper and lower air inlet of bag filter by pipeline simultaneously
In deduster：Due to being hinged with closure door on bag filter inner wall, and seals up a door and close upper and lower air inlet under Gravitative Loads, institute
With exhaust gas open-top closure door is needed when entering inside bag filter, and the air blast of wind turbine（Outside air can be blasted pipeline,
Exhaust gas in pipeline can also be extracted out and blast pipeline after draught fan impeller accelerates）The certain kinetic energy of exhaust gas can be given to push up
Break a seal door.When closure door is pushed, exhaust gas enters in bag filter, while sealing up a door and being rotated around top hinged place, this is resulted in
Closure door drives push rod to move up, and push rod is hinged with connecting rod, and connecting rod two end is respectively articulated with bag filter inner wall and corresponding throw-out collar, this
It results in corresponding throw-out collar and makees the action far from corresponding air inlet, i.e.,：Closure door at enterprising gas port is driven by corresponding push rod to be connected
Bar bottom end is moved, so that upper connecting rod pushes upper throw-out collar and filter bag top far from enterprising gas port；Closure door at lower air inlet is logical
It crosses corresponding push rod and drives the movement of lower link bottom end, so that lower link pushes lower throw-out collar and filter bag lower part far from lower air inlet.
In this way, filter bag upper and lower part moves backward, the shake of filter bag entirety is realized, to remove the dust of filter bag appearance absorption, prevent
Dust blocks filter bag filter opening.Likewise, when the exhaust gas jacking force that closure door resets or closure door is subject to is uneven（Change can be used in wind turbine
Frequency wind turbine can adjust rotating speed or carry out intermittent startup and closing, so that the exhaust gas jacking force that closure door is subject to is not
Together）, the shake of filter bag is will also result in, and then shake off dust.Final exhaust gas passes through filter bag, and particulate matter is by sock filtration so that clean
Net gas drains into the external world from gas outlet at the top of cloth envelop collector.
Dust in bag filter falls into ash bucket, and staff's time opening ash bucket carries out deashing operation.
Claims (4)
1. a kind of industrial waste-gas purifier of low energy consumption, including scrubbing tower and bag filter, scrubbing tower top is equipped with exhaust
Mouthful, the air inlet of bag filter and the exhaust outlet of scrubbing tower are connected by pipeline, which is characterized in that the wash tower bottoms are set
The air intake for having leakage fluid dram and being connected to exhaust gas source, scrubbing tower inside stage casing are from top to bottom equipped with several packing layers, packing layer
Top is equipped with spray tube, and spray tube is connect with extraneous lye tank, and the spray apertures on spray tube are arranged towards packing layer, washing
Tower inner top is equipped with activated carbon drying layer close to exhaust ports, and activated carbon drying layer is internally provided with resistive heater, adding thermal resistance
The external package of silk is equipped with insulating layer, and resistive heater is electrically connected with extraneous power supply by power switch；In the lye tank
Equipped with agitating device, lye tank is connect by charge pipe with soap lye case.
2. the industrial waste-gas purifier of low energy consumption as described in claim 1, which is characterized in that be filled in described filler layer
Spheres of ceramic offers several through-holes on spheres of ceramic.
3. the industrial waste-gas purifier of low energy consumption as described in claim 1, which is characterized in that at the top of the bag filter
Equipped with the filter bag that gas outlet, bottom are equipped with ash bucket, are internally provided with open top, filter bag open top is connected to gas outlet, cloth bag
The air inlet of deduster includes the enterprising gas port for being opened in outer wall both sides and lower air inlet, and enterprising gas port is set higher than lower air inlet
It sets, the pipeline for connecting the air inlet and scrubbing tower exhaust outlet is equipped with wind turbine, is equipped in bag filter for blocking air inlet
The closure door of mouth, closure door top and bag filter inner wall are hinged；The upper and lower sleeve integrating of outer wall of the filter bag is equipped with upper throw-out collar under
Throw-out collar, the upper and lower connecting rod one end being obliquely installed are respectively articulated with throw-out collar and lower throw-out collar, and the other end is all hinged in bag filter
The stage casing of wall, upper and lower connecting rod is hinged by the closure door at push rod and upper and lower air inlet respectively.
4. the industrial waste-gas purifier of low energy consumption as claimed in claim 3, which is characterized in that the closure door, throw-out collar, connecting rod
It is made of PVC plastic with push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350382.9A CN108434961B (en) | 2018-04-18 | 2018-04-18 | Industrial waste gas purification device of low energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350382.9A CN108434961B (en) | 2018-04-18 | 2018-04-18 | Industrial waste gas purification device of low energy consumption |
Publications (2)
| Publication Number | Publication Date |
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| CN108434961A true CN108434961A (en) | 2018-08-24 |
| CN108434961B CN108434961B (en) | 2020-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810350382.9A Active CN108434961B (en) | 2018-04-18 | 2018-04-18 | Industrial waste gas purification device of low energy consumption |
Country Status (1)
| Country | Link |
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| CN (1) | CN108434961B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337291A (en) * | 2020-10-23 | 2021-02-09 | 河北卓越电气有限责任公司 | Plasma desulfurization, denitrification and demercuration process |
| CN114151817A (en) * | 2021-12-17 | 2022-03-08 | 四川九洲环保科技有限责任公司 | Flue gas treatment system and treatment method |
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| CN107640875A (en) * | 2016-07-21 | 2018-01-30 | 北京航天石化技术装备工程有限公司 | Energy recovery type sludge drying and incineration system |
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| KR20110127938A (en) * | 2010-05-20 | 2011-11-28 | 고등기술연구원연구조합 | Reverse-cleaning apparatus of a filter for a high pressure dust collector |
| CN102941011A (en) * | 2012-11-26 | 2013-02-27 | 广东依科电力技术有限公司 | Spray desulfurizer and working method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337291A (en) * | 2020-10-23 | 2021-02-09 | 河北卓越电气有限责任公司 | Plasma desulfurization, denitrification and demercuration process |
| CN114151817A (en) * | 2021-12-17 | 2022-03-08 | 四川九洲环保科技有限责任公司 | Flue gas treatment system and treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108434961B (en) | 2020-10-13 |
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Effective date of registration: 20201231 Address after: 236200 Yangwei village, Chuigang Township, Yingshang County, Fuyang City, Anhui Province Patentee after: Anhui Muzhuang farming technology Co.,Ltd. Address before: Room 302, unit 2, building 5, yard 56, Beihuan Road, Zhengzhou City, Henan Province, 450000 Patentee before: Sun Peng |
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Effective date of registration: 20220426 Address after: 523000 building 3, No. 220, buchao Road, Chang'an Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN DINGMAO SPRAY PURIFICATION SYSTEM Co.,Ltd. Address before: 236200 Yangwei village, Chuigang Township, Yingshang County, Fuyang City, Anhui Province Patentee before: Anhui Muzhuang farming technology Co.,Ltd. |
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