CN106377961B - A kind of wet classification dust-extraction unit and application - Google Patents
A kind of wet classification dust-extraction unit and application Download PDFInfo
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- CN106377961B CN106377961B CN201610942262.9A CN201610942262A CN106377961B CN 106377961 B CN106377961 B CN 106377961B CN 201610942262 A CN201610942262 A CN 201610942262A CN 106377961 B CN106377961 B CN 106377961B
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Abstract
The present invention relates to a kind of wet classification dust-extraction units, described device includes crust of the device, level-one rough dedusting device, two level refined dedusting device, spray system, demister system, gas outlet and cistern system, the level-one rough dedusting device is set to the bottom of crust of the device, the gas outlet is set to the top of crust of the device, the two level refined dedusting device, demister system is arranged at intervals at successively from the bottom to top on the crust of the device between level-one rough dedusting device and gas outlet, the spray system can be sprayed to two level refined dedusting device, the cistern system is set to outside crust of the device and the setting that is connected with level-one rough dedusting device.Structure of the invention is compact, resistance is small, cost of investment is relatively low, by two-stage dust removal, and efficiency of dust collection increases, which can ensure that the concentration of emission for exporting flue dust is 5mg/Nm3Hereinafter, reaching the standard of national requirements for environmental protection discharge.
Description
Technical field
The invention belongs to environmental technology field, especially a kind of wet classification dust-extraction unit and application, the device can be used for
In the processing of ash-laden gas.
Background technology
Recent years, wet scrubber is simple in structure with its, equipment investment is low, high dust collection efficiency is in coal-burning boiler, chemical industry system
The industries such as medicine, food processing, metallurgy, casting have obtained widely applying.Wet scrubber is while removing powder dust particle, also
The gaseous pollutant in gas can be removed, dedusting has not only been played the role of but also plays the role of purification.With electrostatic precipitator and bag
Formula deduster is compared, and wet scrubber can handle high temperature, high wet gas current and inflammable and explosive dusty gas.But it passes
The wet scrubber efficiency of dust collection for uniting single is relatively low, cannot meet the standard of national requirements for environmental protection discharge.
By retrieval, find such as next chapter and the relevant patent publication us of present patent application：
Flue gas wet classification dust-extraction unit of converter（CN103276141A）, including sequentially connected level-one rough dedusting dress
It sets, two level refined dedusting device, three-level refined dedusting device, wind turbine and circulation, the level-one rough dedusting device are equipped with spray
Device I and mud discharging valve I, the two level refined dedusting device are equipped with spray equipment II and mud discharging valve II, the recirculated water
System includes sewage-treatment plant and circulating pump, the mud discharging valve I and mud discharging valve II respectively with sewage-treatment plant
Entrance connects, and the sewage-treatment plant outlet is connect with spray equipment I and spray equipment II respectively by circulating pump.The present invention
Simple in structure, stable and reliable operation, investment is smaller, and operation expense is low.By 3-stage dust-removal, efficiency of dust collection is improved, is protected
Dust contained flue gas concentration≤the 10mg/m discharged after purification is demonstrate,proved3, it is less than existing dry dedusting technology and wet dedusting technology water
Flat, discharge standard reaches International Environmental Protection standard.
By comparison, there is the difference of essence with above-mentioned patent publication us in present patent application.
Invention content
It is an object of the invention to overcome the shortcoming in existing wet dust collection technology, a kind of wet classification dedusting is provided
Device and application, the device can ensure that the concentration of emission for exporting flue dust is 5mg/Nm3Hereinafter, reaching national requirements for environmental protection discharge
Standard, which can be used in the processing of ash-laden gas.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of wet classification dust-extraction unit, described device include crust of the device, level-one rough dedusting device, two level refined dedusting dress
Set, spray system, demister system, gas outlet and cistern system, the level-one rough dedusting device are set to the bottom of crust of the device,
The gas outlet is set to the top of crust of the device, and interval is set successively from the bottom to top for the two level refined dedusting device, demister system
It is placed on the crust of the device between level-one rough dedusting device and gas outlet, the spray system can be sprayed to two level refined dedusting device
Leaching, the cistern system is set to outside crust of the device and the setting that is connected with level-one rough dedusting device；
The level-one rough dedusting device includes air inlet, sleeve expansion piece, flue gas nozzle, dust storage chamber I, collects gas port, described
Dust storage chamber I is set to the bottom of crust of the device, and water is loaded in dust storage chamber I, on the crust of the device above dust storage chamber I with dress
It sets shell to be connected equipped with air inlet, the tail end of the air inlet connects the upper of flue gas nozzle by the sleeve expansion piece of coaxial arrangement
End, the bottom end of the flue gas nozzle are set to the ullage of dust storage chamber I, which can spray the impact water surface to liquid level
Flue gas, the crust of the device above the air inlet are equipped with collection gas port, the bottom outer-edge of the collection gas port and the inner wall of crust of the device
Sealed set is together；
The cistern system includes water tank regulating valve, slush pump, settling tank and 1# water circulating pumps, the dust storage chamber I's
Bottom is connected setting by water tank regulating valve, slush pump with one side entrance of middle and upper part of settling tank, in the settling tank
Another side outlet in top is connected setting by 1# water circulating pumps with dust storage chamber I, which can will be in settling tank
Water input dust storage chamber I in；
The two level refined dedusting device includes discharge pipe, dirt pocket, crosses smoke pipeline, dust storage chamber II, filler plate and header tank,
Header tank is arranged in the top of the collection gas port, which is not attached to logical setting, the top setting collection of the header tank with dust storage chamber I
Dirt room II, filler plate is coaxially disposed between dust storage chamber II and header tank, and the edge of the filler plate and the inner wall of crust of the device are close
Envelope is set together；Dirt pocket is arranged in the top of dust storage chamber II, and the top outer rim of the dirt pocket and the inner wall of crust of the device are tight
Close to be set together, discharge pipe, bottom outside edge and the dress of the discharge pipe is arranged in the coaxial close communication in bottom of the dirt pocket
Set the inner wall sealing setting of shell, the outlet at bottom of the discharge pipe is connected setting with dust storage chamber II；The dirt pocket middle and lower part
The top of smoke pipeline was arranged in side close communication, and the top which is passed down through filler plate and collection gas port is tight
The close setting that is connected；
The spray system includes 2# water circulating pumps, spray regulating valve, spray pipeline and ultrasonic wave atomizing nozzle, the 2#
The input terminal of water circulating pump is connected setting with the bottom of header tank, the output ends of the 2# water circulating pumps by spray regulating valve with
Spray pipeline is connected setting, and uniformly interval is connected equipped with multiple down-set ultrasounds on the bottom surface of the spray pipeline
Wave atomizer；The spray pipeline and ultrasonic wave atomizing nozzle are arranged at intervals at outside the device between dirt pocket and demister system
On shell, which can spray fine water-spray to dirt pocket.
Moreover, described device further includes air-introduced machine, the air-introduced machine is connected setting with gas outlet, and the gas outlet is by drawing
Wind turbine carries out outlet.
Moreover, described device shell is round, rectangular or oval.
Moreover, distance of the bottom surface of the flue gas nozzle apart from liquid level is 200~1000mm.
Moreover, the top end diameter of the collection gas port is identical as the bottom diameter of smoke pipeline is crossed, collect the bottom surface diameter of gas port
It is identical as the diameter of crust of the device.
Moreover, the dirt pocket is inverted cone-shaped structure and upper surface diameter is identical as the diameter of crust of the device, bottom surface
Diameter it is identical as the diameter of plasma discharge pipeline；It is connected equipped with dredging mud inside the bottom of the dust storage chamber II and dust storage chamber II
Mouthful.
Moreover, one water supply pipe of setting that is connected with dust storage chamber I on the crust of the device of the ullage of the dust storage chamber I；Institute
State on the crust of the device of the bottom side of header tank with one water inlet pipe of setting that is connected in header tank, on the water inlet pipe setting one supply
Penstock, the water supply valve can open or close the water inlet of water inlet pipe.
Application of the wet classification dust-extraction unit in the processing of ash-laden gas as described above.
Advantages and beneficial effects obtained by the present invention are：
1, the present apparatus include crust of the device, level-one rough dedusting device, two level refined dedusting device, spray system, demister system,
Gas outlet and cistern system, the apparatus structure is compact, resistance is small, cost of investment is relatively low, and by two-stage dust removal, efficiency of dust collection increases
Add, which can ensure that outlet drain concentration reaches 5mg/Nm3Hereinafter, meeting the standard of national requirements for environmental protection discharge；In addition,
The present apparatus is provided with ultrasonic wave atomizing nozzle, can reduce spray flux, saves water resource, and the fine droplets amounts of particles of ejection increases
More, specific surface area increases, and further increases efficiency of dust collection；Meanwhile the present apparatus is provided with sleeve expansion piece, it can be according to flue gas
Distance of the Load Regulation flue gas nozzle bottom surface apart from liquid level, expand the use scope of the present apparatus.
2, it is connected equipped with dredging mud mouth inside the bottom of the dust storage chamber II of the present apparatus and dust storage chamber II, uses the dredging mud
Mouth can periodically clear up the mud inside dust storage chamber II, extend its service life.
3, be connected on the crust of the device of the ullage of the dust storage chamber I of the present apparatus with dust storage chamber I one water supply pipe of setting；Institute
State on the crust of the device of the bottom side of header tank with one water inlet pipe of setting that is connected in header tank, on the water inlet pipe setting one supply
Penstock, the water supply valve can open or close the water inlet of water inlet pipe.When in use, the water supply pipe/feed water valve can be passed through
Door periodically can carry out moisturizing to dust storage chamber I/ header tanks, to ensure that device is steadily run.
Description of the drawings
Fig. 1 is a kind of structure connection diagram of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and by embodiment, the present invention is further elaborated, and the following example is illustrative
, it is not restrictive, described cannot limit protection scope of the present invention with following.
Structure, connection relation for not being described in detail in the present invention etc., it can be understood as ordinary skill in the art means.
A kind of wet classification dust-extraction unit, as shown in Figure 1, described device includes crust of the device, level-one rough dedusting device, two
Grade refined dedusting device, spray system, demister system 12, gas outlet 13 and cistern system, the level-one rough dedusting device are set to
The bottom of crust of the device, the gas outlet are set to the top of crust of the device, and the two level refined dedusting device, demister system are under
On the supreme crust of the device being arranged at intervals at successively between level-one rough dedusting device and gas outlet, the spray system can be to two
Grade refined dedusting device spray, the cistern system is set to outside crust of the device and the setting that is connected with level-one rough dedusting device；
The level-one rough dedusting device includes air inlet 1, sleeve expansion piece 2, flue gas nozzle 3, dust storage chamber I 4, collection gas port
21, the dust storage chamber I is set to the bottom of crust of the device, and water is loaded in dust storage chamber I, outside the device above dust storage chamber I
It is connected equipped with air inlet with crust of the device on shell, the tail end of the air inlet connects flue gas by the sleeve expansion piece of coaxial arrangement
The upper end of nozzle, the bottom end of the flue gas nozzle are set to the ullage of dust storage chamber I, which can spray to liquid level rushes
It strikes waters the flue gas in face, the crust of the device above the air inlet is equipped with collection gas port, outside the bottom outer-edge and device of the collection gas port
The inner wall sealing of shell is set together；
The cistern system includes water tank regulating valve 22, slush pump, settling tank and 1# water circulating pumps, the dust storage chamber I
Bottom be connected with one side entrance of middle and upper part of settling tank setting by water tank regulating valve, slush pump, the settling tank
Another side outlet in middle and upper part is connected setting by 1# water circulating pumps with dust storage chamber I, which can be by settling tank
In water input dust storage chamber I in；
The two level refined dedusting device includes discharge pipe 8, dirt pocket 9, crosses smoke pipeline 14, dust storage chamber II 15, filler plate 17
Header tank is set with the top of header tank 18, the collection gas port, which is not attached to logical setting, the header tank with dust storage chamber I
Top be arranged dust storage chamber II, be coaxially disposed filler plate between dust storage chamber II and header tank, the edge and device of the filler plate
The inner wall sealing of shell is set together；Dirt pocket, the top outer rim and device of the dirt pocket is arranged in the top of dust storage chamber II
The inner wall of shell is tightly disposed in together, and discharge pipe, the bottom of the discharge pipe is arranged in the coaxial close communication in bottom of the dirt pocket
The inner wall sealing of outer ledge and crust of the device is arranged, and the outlet at bottom of the discharge pipe is connected setting with dust storage chamber II；It is described
The top of smoke pipeline was arranged in dirt pocket middle and lower part side close communication, which is passed down through filler plate and collection
The closely coupled logical setting in top of gas port；
The spray system includes 2# water circulating pumps 6, sprays regulating valve 7, spray pipeline 11 and ultrasonic wave atomizing nozzle 10,
The input terminal of the 2# water circulating pumps is connected setting with the bottom of header tank, and the output end of the 2# water circulating pumps, which passes through to spray, to be adjusted
Section valve is connected setting with spray pipeline, is uniformly spaced and is connected equipped with multiple down-set on the bottom surface of the spray pipeline
Ultrasonic wave atomizing nozzle；The spray pipeline and ultrasonic wave atomizing nozzle are arranged at intervals between dirt pocket and demister system
On crust of the device, which can spray fine water-spray to dirt pocket.
Apparatus of the present invention include crust of the device, level-one rough dedusting device, two level refined dedusting device, spray system, demisting system
System, gas outlet and cistern system, the apparatus structure is compact, resistance is small, cost of investment is relatively low, passes through two-stage dust removal, efficiency of dust collection
Increase, which can ensure that outlet drain concentration reaches 5mg/Nm3Hereinafter, meeting the standard of national requirements for environmental protection discharge；Separately
Outside, the present apparatus is provided with ultrasonic wave atomizing nozzle, can reduce spray flux, saves water resource, the fine droplets granule number of ejection
Amount increases, and specific surface area increases, and further increases efficiency of dust collection；Meanwhile the present apparatus is provided with sleeve expansion piece, it can basis
Distance of the Load Regulation flue gas nozzle bottom surface of flue gas apart from liquid level, expands the use scope of the present apparatus.
In the present embodiment, described device further includes air-introduced machine, and the air-introduced machine is connected setting with gas outlet, the outlet
Mouth carries out outlet by air-introduced machine.
In the present embodiment, described device shell is round, rectangular or oval.
In the present embodiment, distance of the bottom surface of the flue gas nozzle apart from liquid level is 200~1000mm.
In the present embodiment, the top end diameter of the collection gas port is identical as the bottom diameter of smoke pipeline is crossed, and collects under gas port
Basal diameter is identical as the diameter of crust of the device.
In the present embodiment, the dirt pocket is inverted cone-shaped structure and the diameter phase of upper surface diameter and crust of the device
Together, the diameter of bottom surface is identical as the diameter of plasma discharge pipeline；It is connected inside the bottom of the dust storage chamber II and dust storage chamber II and sets
There is dredging mud mouth 16, periodically the mud inside dust storage chamber II can be cleared up using the dredging mud mouth, extend its use
Service life.
In the present embodiment, the setting one that is connected with dust storage chamber I on the crust of the device of the ullage of the dust storage chamber I is mended
Water pipe 5；On the crust of the device of the bottom side of the header tank be connected in header tank setting one water inlet pipe 19, the water inlet pipe
One water supply valve 20 of upper setting, the water supply valve can open or close the water inlet of water inlet pipe.When in use, the benefit can be passed through
Water pipe/water supply valve periodically can carry out moisturizing to dust storage chamber I/ header tanks, to ensure that device is steadily run.
When in use, the dust-laden slurries in level-one rough dedusting device in dust storage chamber I can be entered the present apparatus by slush pump
To settling tank, supernatant enters dust storage chamber I by 1# water circulating pumps；Slurries in two level refined dedusting device in dust storage chamber II
Header tank is entered after being filtered by filler plate, clear liquid enters dirt pocket by 2# water circulating pumps in header tank, and water resource can
It is fully recycled with reaching, after operation a period of time of device, the silt in periodic cleaning dust storage chamber II and settling tank
Mud, header tank and dust storage chamber I periodically can carry out moisturizing by external pipe, to ensure that device is steadily run.
The operation principle of wet classification dust-extraction unit of the present invention is：
Ash-laden gas passes through the smoke-shock water surface that nozzle sprays by air inlet, and the water surface is made to evoke a large amount of water droplet and bubble
Foam, with the change in terms of flue gas, most of wet water soot dust granule is heavy to be stayed in water.By the purified flue gas of level-one rough dedusting
Entrainment of a part of water droplet and collection gas port is reached by the flue dust of water droplet absorption and entered smoke pipeline, entered the flue gas stream of smoke pipeline
Speed increases, and enters the air-flow that dirt pocket becomes high speed rotation rising, and upper end ultrasonic wave atomizing nozzle sprays fine water-spray and cigarette
Dirt particles collision, cohesion, fine dust are thrown to by liquid film supplementary set on dedusting locular wall, only by drop supplementary set and by centrifugation force effect
Flue gas after change removes water droplet by demister, most afterwards through gas outlet（For example, gas outlet can carry out outlet by air-introduced machine）
It is discharged into air.The present apparatus can be used in the processing of ash-laden gas.
Claims (8)
1. a kind of wet classification dust-extraction unit, it is characterised in that：Described device includes crust of the device, level-one rough dedusting device, two
Grade refined dedusting device, spray system, demister system, gas outlet and cistern system, the level-one rough dedusting device are set to device
The bottom of shell, the gas outlet are set to the top of crust of the device, and the two level refined dedusting device, demister system are from the bottom to top
It is arranged at intervals at successively on the crust of the device between level-one rough dedusting device and gas outlet, the spray system can be to two level essence
Dust-extraction unit sprays, and the cistern system is set to outside crust of the device and the setting that is connected with level-one rough dedusting device；
The level-one rough dedusting device includes air inlet, sleeve expansion piece, flue gas nozzle, dust storage chamber I, collection gas port, the dust
Room I is set to the bottom of crust of the device, and water is loaded in dust storage chamber I, on the crust of the device above dust storage chamber I with outside device
Shell phase connection is equipped with air inlet, and the tail end of the air inlet connects the upper end of flue gas nozzle by the sleeve expansion piece of coaxial arrangement,
The bottom end of the flue gas nozzle is set to the ullage of dust storage chamber I, which can spray the cigarette of the impact water surface to liquid level
Gas, the crust of the device above the air inlet are equipped with collection gas port, and the bottom outer-edge of the collection gas port and the inner wall of crust of the device are close
Envelope is set together；
The cistern system includes water tank regulating valve, slush pump, settling tank and 1# water circulating pumps, the bottom of the dust storage chamber I
It is connected with one side entrance of middle and upper part of settling tank setting by water tank regulating valve, slush pump, the middle and upper part of the settling tank
Another side outlet is connected setting by 1# water circulating pumps with dust storage chamber I, which can be by the water in settling tank
It inputs in dust storage chamber I；
The two level refined dedusting device includes discharge pipe, dirt pocket, crosses smoke pipeline, dust storage chamber II, filler plate and header tank, described
Header tank is arranged in the top for collecting gas port, which is not attached to logical setting with dust storage chamber I, and dust storage chamber is arranged in the top of the header tank
II is coaxially disposed filler plate between dust storage chamber II and header tank, and the edge of the filler plate and the inner wall sealing of crust of the device are set
It sets together；Dirt pocket is arranged in the top of dust storage chamber II, and the top outer rim of the dirt pocket and the inner wall of crust of the device are closely set
It sets together, the coaxial close communication setting discharge pipe in bottom of the dirt pocket, outside the bottom outside edge and device of the discharge pipe
The inner wall sealing of shell is arranged, and the outlet at bottom of the discharge pipe is connected setting with dust storage chamber II；Dirt pocket middle and lower part side
The top of smoke pipeline was arranged in close communication, which is passed down through filler plate and collects the close phase in top of gas port
Connection setting；
The spray system includes 2# water circulating pumps, spray regulating valve, spray pipeline and ultrasonic wave atomizing nozzle, the 2# cycles
The input terminal of water pump is connected setting with the bottom of header tank, and the output end of the 2# water circulating pumps, which passes through, sprays regulating valve and spray
Pipeline is connected setting, and uniformly interval is connected equipped with multiple down-set ultrasonic fogs on the bottom surface of the spray pipeline
Change nozzle；The spray pipeline and ultrasonic wave atomizing nozzle are arranged at intervals at the crust of the device between dirt pocket and demister system
On, which can spray fine water-spray to dirt pocket.
2. wet classification dust-extraction unit according to claim 1, it is characterised in that：Described device further includes air-introduced machine, institute
It states air-introduced machine with gas outlet to be connected setting, which carries out outlet by air-introduced machine.
3. wet classification dust-extraction unit according to claim 1, it is characterised in that：Described device shell is round, rectangular
Or ellipse.
4. wet classification dust-extraction unit according to claim 1, it is characterised in that：The bottom surface distance of the flue gas nozzle
The distance of liquid level is 200~1000mm.
5. wet classification dust-extraction unit according to claim 1, it is characterised in that：The top end diameter and mistake of the collection gas port
The bottom diameter of smoke pipeline is identical, and the bottom surface diameter for collecting gas port is identical as the diameter of crust of the device.
6. wet classification dust-extraction unit according to claim 1, it is characterised in that：The dirt pocket is inverted cone-shaped structure
And upper surface diameter is identical as the diameter of crust of the device, the diameter of bottom surface is identical as the diameter of plasma discharge pipeline；The dust storage chamber
It is connected equipped with dredging mud mouth inside the bottom of II and dust storage chamber II.
7. wet classification dust-extraction unit according to any one of claims 1 to 6, it is characterised in that：The liquid of the dust storage chamber I
Be connected on crust of the device above face with dust storage chamber I one water supply pipe of setting；The crust of the device of the bottom side of the header tank
It is upper that a water inlet pipe is set with being connected in header tank, a water supply valve is set on the water inlet pipe, the water supply valve can open or
Close the water inlet of water inlet pipe.
8. application of the wet classification dust-extraction unit as described in any one of claim 1 to 7 in the processing of ash-laden gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610942262.9A CN106377961B (en) | 2016-11-02 | 2016-11-02 | A kind of wet classification dust-extraction unit and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610942262.9A CN106377961B (en) | 2016-11-02 | 2016-11-02 | A kind of wet classification dust-extraction unit and application |
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| CN106377961B true CN106377961B (en) | 2018-08-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111298566A (en) * | 2020-04-05 | 2020-06-19 | 上海泰普星坦新材料有限公司 | Tail gas dehydration and dust removal tower for preparing sponge iron by gas-based reduction |
| CN112414195B (en) * | 2020-10-27 | 2022-05-31 | 攀枝花市蓝鼎环保科技有限公司 | Energy-saving industrial flue gas treatment device |
| CN113479670A (en) * | 2021-05-20 | 2021-10-08 | 重庆新酢坊建材有限公司 | Bulk spraying device |
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| US4116647A (en) * | 1976-03-08 | 1978-09-26 | Vortox Company | Air cleaner |
| KR20130001561A (en) * | 2011-06-27 | 2013-01-04 | 주식회사 에어-텍 | Dust collector |
| CN202860356U (en) * | 2012-10-26 | 2013-04-10 | 内蒙古国原矿业技术有限公司 | Recovery device of high-temperature explosive superfine pulverized coal |
| CN203244883U (en) * | 2013-05-08 | 2013-10-23 | 重庆融通机电设备有限公司 | Induced-draft-type dedusting and deodorizing device |
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| CN206168143U (en) * | 2016-11-02 | 2017-05-17 | 航天环境工程有限公司 | Wet classification dust collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH633726A5 (en) * | 1977-11-17 | 1982-12-31 | Ciba Geigy Ag | METHOD FOR REMOVING ACID POLLUTANTS AND HOVING SUBSTANCES FROM EXHAUST GASES FROM INDUSTRIAL OVENS, ESPECIALLY FROM WASTE COMBUSTION PLANTS, AND SLUDGE SEPARATORS FOR THE EXECUTION THEREOF. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116647A (en) * | 1976-03-08 | 1978-09-26 | Vortox Company | Air cleaner |
| KR20130001561A (en) * | 2011-06-27 | 2013-01-04 | 주식회사 에어-텍 | Dust collector |
| CN202860356U (en) * | 2012-10-26 | 2013-04-10 | 内蒙古国原矿业技术有限公司 | Recovery device of high-temperature explosive superfine pulverized coal |
| CN203244883U (en) * | 2013-05-08 | 2013-10-23 | 重庆融通机电设备有限公司 | Induced-draft-type dedusting and deodorizing device |
| CN203874619U (en) * | 2014-03-28 | 2014-10-15 | 贵州省松桃金晟机械有限公司 | Industrial dust and acid mist air purifier |
| CN206168143U (en) * | 2016-11-02 | 2017-05-17 | 航天环境工程有限公司 | Wet classification dust collector |
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| Publication number | Publication date |
|---|---|
| CN106377961A (en) | 2017-02-08 |
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