CN105327581A - Cyclone-water-curtain dust removing device suitable for recycling high-temperature tail gas with dust - Google Patents
Cyclone-water-curtain dust removing device suitable for recycling high-temperature tail gas with dust Download PDFInfo
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- CN105327581A CN105327581A CN201510730503.9A CN201510730503A CN105327581A CN 105327581 A CN105327581 A CN 105327581A CN 201510730503 A CN201510730503 A CN 201510730503A CN 105327581 A CN105327581 A CN 105327581A
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- tail gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/40—Different types of filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
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Abstract
The invention discloses a cyclone-water-curtain dust removing device suitable for recycling high-temperature tail gas with dust. The cyclone-water-curtain dust removing device comprises an outer hollow cylinder body, an inner hollow cylinder body, a central exhaust pipe and a spraying device. The outer hollow cylinder body is cylindrical. The inner hollow cylinder body is arranged inside the outer hollow cylinder body and comprises a first part, a second part and a third part in sequence from top to bottom, wherein the first part is cylindrical, a first interlayer is formed by the first part and the outer hollow cylinder body, the second part is conical, the third part is in a reverse cone shape, the lower end of the third part abuts against the inner wall of the outer hollow cylinder body, and a second interlayer is formed by the third part, the second part and the outer hollow cylinder body. A heat-exchange annular channel is formed between the central exhaust pipe and the first part, the central exhaust pipe is internally provided with an annular water pipe spiral from inside to outside, the annular water pipe is communicated with a first liquid inlet pipe, and the other end of the annular water pipe is communicated with the first interlayer; an annular air inlet pipe spiral from inside to outside is arranged outside the annular water pipe, one end of the annular air inlet pipe is tangentially communicated with an air inlet pipe, and the other end of the annular air inlet pipe is communicated with the second part. By means of the cyclone-water-curtain dust removing device, cyclone dust removing and water curtain dust removing are combined, and heat exchange between liquid and gas and recycling of heat and dust are achieved.
Description
Technical field
The present invention relates to high-temperature tail gas process field.More particularly, the present invention relates to a kind of whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle.
Background technology
In the process of fertilizer, cause drying gas through drying and processing and become high temperature dust tail gas, deal with improperly and can cause waste and environmental pollution, general industry adopts the process of ordinary cyclones deduster, its structure is simple, easy to use, centrifugal force is utilized to spin in deduster motion, thus the dust that in separation dusty gas, particle diameter is greater than 10 μm, general fertilizers is in process, the cyclone dust removal used only has the dust removal efficiency of about 80%, still have a large amount of dust to enter air with tail gas, cause the waste of environmental pollution and manure resources.When the stack shell of cyclone dust collectors and cone structure larger time, the motion path of gas in deduster is larger, efficiency of dust collection also can be higher, but deduster can be caused to take up an area face and take up an area space and become large, machine cost increases, device body wear surface increases, and ordinary cyclones deduster can not the separating particles diameter dust that is less than 10 μm, can not carry out heat exchange thus reclaim heat to high-temperature gas.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, cyclone dust removal and water curtain dedusting are combined in a device, and achieve the heat exchange of liquid and gas, achieve the recycling of heat and dust, purify emission gases.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, comprising:
Hollow outer cylinder body, it is cylindric;
Hollow inner cylinder body, it is arranged on the inside of described hollow outer cylinder body, its height being highly less than described hollow outer cylinder body is to make the formation settling zone, bottom of described hollow outer cylinder body, the bottom of described settling zone is provided with the first leakage fluid dram, wherein, described hollow inner cylinder body comprises integrated three part compositions, is from top to bottom followed successively by:
Part I, it is cylindric, and the external diameter of described Part I is less than the internal diameter of described hollow outer cylinder body and forms the first interlayer with the inwall of described hollow outer cylinder body;
Part II, it is up big and down small coniform of internal diameter;
Part III, it is the up-small and down-big inverted cone-shaped of internal diameter, be communicated with described Part II and described settling zone, the lower end of described Part III and the inwall of described hollow outer cylinder body offset, to make the inwall of the sidewall of the sidewall of described Part III and described Part II and described hollow outer cylinder body form the second interlayer, be communicated with between described first interlayer with described second interlayer;
Central discharge air pipe, it is arranged on the inside of described hollow inner cylinder body, top and the ft connection of described hollow outer cylinder body are passed in its one end, the lower end of the other end and described Part I in one plane, wherein, heat exchange circular passage is formed between described central discharge air pipe and described Part I, the inside of described circular passage is provided with the annular conduit of from inside to outside coiled coil, described annular conduit passes described hollow outer cylinder body near one end of described central discharge air pipe and is communicated with the first feed tube, the other end is communicated with described first interlayer, the outside of described annular conduit is the annular intake pipe of from inside to outside coiled coil, described annular intake pipe is tangentially communicated with the air inlet pipe of outside near one end of described central discharge air pipe, the other end is communicated with the top of described Part II,
Spray equipment, it comprises:
Multiple taper deflector, its level and be disposed on described Part III inwall along short transverse, described taper deflector is up big and down small coniform of internal diameter, its sidewall with vertical in 45-60 °;
Multiple circular spray tube, its inwall being separately positioned on the top of described multiple taper deflector and described Part III is adjacent, described circular spray tube is provided with the second feed tube be communicated with described second interlayer, and described circular spray tube is interval with multiple nozzle.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the aspect ratio of described hollow outer cylinder body and described hollow inner cylinder body is 3: 2, and the aspect ratio of described Part I, described Part II and described Part III is 1: 2-3: 1.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the minimum diameter of the internal diameter of described central discharge air pipe, the internal diameter of described Part I, described Part II is 1: 4: 2: 5 with the ratio of the internal diameter of described hollow outer cylinder body.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the bottom of described settling zone is also provided with the second leakage fluid dram, it is disposed on the top of described first leakage fluid dram, described first leakage fluid dram is communicated with the first discharging tube and the first valve, described second leakage fluid dram is communicated with the second discharging tube and the second valve, and described second leakage fluid dram is communicated with described first feed tube by high-pressure pump, and the other end of described first feed tube is communicated with fluid supply by the 3rd valve.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the inside of described central discharge air pipe is provided with drying device.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the outside of described hollow outer cylinder body is provided with thermal insulation layer.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, described multiple taper deflector is three, and the sidewall of described taper deflector is with vertical in 45 °, and its minimum diameter is 4 with the ratio of maximum gauge
:5.
Preferably, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, described settling zone and described second interlayer are equipped with breast hole.
The present invention at least comprises following beneficial effect:
1) innovatively devise the Part III of inverted cone-shaped, decrease the dust taken away before tail gas discharges from top to bottom, improve dust removal efficiency; Innovatively devise outer cylinder body, the Part I of itself and inner barrel is made to form the first interlayer, form the second interlayer with the Part II of inner barrel and Part III, form a liquid storage district in the first interlayer and the second interlayer, carry out the heat exchange of liquid and high temperature dust tail gas further;
2) in Part I, heat exchange circular passage is innovatively devised, the liquid in annular conduit and the high temperature dust tail gas in annular intake pipe is made to carry out sufficient heat exchange, meanwhile, make the gas in annular intake pipe form tangential gas and flow in Part II the cyclone dust removal efficiency improved in Part II;
3) taper deflector and circular spray tube are set in Part III inside, the liquid through heat exchange in the second interlayer is made to enter in circular spray tube, annular water curtain is formed under the effect of taper deflector, thus further gas to be discharged is carried out water curtain dedusting, improve heat exchanger effectiveness and dust recovery rate.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of whirlwind dust collector of water curtain of the present invention;
Fig. 2 is the structural representation of the circular passage in Part I of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
It should be noted that experimental technique described in following embodiment if no special instructions, is conventional method, described reagent and material, if no special instructions, all can obtain from commercial channels; In describing the invention, term " transverse direction ", " longitudinal direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, be not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
As Figure 1-Figure 2, the invention provides a kind of whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, comprising:
Hollow outer cylinder body 1, it is cylindric;
Hollow inner cylinder body 2, it is arranged on the inside of described hollow outer cylinder body 1, its height being highly less than described hollow outer cylinder body 1 is to make the formation settling zone, bottom 11 of described hollow outer cylinder body 1, the bottom of described settling zone 11 is provided with the first leakage fluid dram 111, wherein, described hollow inner cylinder body 2 comprises integrated three part compositions, is from top to bottom followed successively by:
Part I 21, it is cylindric, and the external diameter of described Part I 21 is less than the internal diameter of described hollow outer cylinder body 1 and forms the first interlayer with the inwall of described hollow outer cylinder body 1;
Part II 22, it is up big and down small coniform of internal diameter;
Part III 23, it is the up-small and down-big inverted cone-shaped of internal diameter, be communicated with described Part II 22 and described settling zone 11, the lower end of described Part III 23 and the inwall of described hollow outer cylinder body 1 offset, form the second interlayer with the inwall of the sidewall of the sidewall and described Part II 22 that make described Part III 23 and described hollow outer cylinder body 1, be communicated with between described first interlayer with described second interlayer;
Central discharge air pipe 3, it is arranged on the inside of described hollow inner cylinder body 2, top and the ft connection of described hollow outer cylinder body 1 are passed in its one end, the lower end of the other end and described Part I 21 in one plane, wherein, heat exchange circular passage is formed between described central discharge air pipe 3 and described Part I 21, the inside of described circular passage is provided with the annular conduit 211 of from inside to outside coiled coil, described annular conduit 211 passes described hollow outer cylinder body 1 near one end of described central discharge air pipe and is communicated with the first feed tube 4, the other end is communicated with described first interlayer, the outside of described annular conduit 211 is the annular intake pipe 212 of from inside to outside coiled coil, described annular intake pipe 212 is tangentially communicated with the air inlet pipe 5 of outside near one end of described central discharge air pipe 3, the other end is communicated with the top of described Part II 22,
Spray equipment 6, it comprises:
Multiple taper deflector 61, its level and be disposed on described Part III 23 inwall along short transverse, coniform up big and down small in internal diameter of described taper deflector 61, its sidewall with vertical in 45-60 °;
Multiple circular spray tube 62, its inwall being separately positioned on the top of described multiple taper deflector 61 and described Part III 23 is adjacent, described circular spray tube 62 is provided with the second feed tube 621 be communicated with described second interlayer, and described circular spray tube 62 is interval with multiple nozzle.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, described hollow outer cylinder body 1 is 3: 2 with the aspect ratio of described hollow inner cylinder body 2, and the aspect ratio of described Part I 21, described Part II 22 and described Part III 23 is 1: 2-3: 1.The aspect ratio of hollow outer cylinder body and hollow inner cylinder body, the aspect ratio of the Part I of hollow inner cylinder body, Part II and Part III, direct affect hollow inner cylinder body whirlwind water curtain efficiency of dust collection and settling zone in deposition efficiency, settling zone is too small, be unfavorable for the carrying out of water curtain dedusting, settling zone is excessive, causes cyclone dust removal efficiency low; The height of Part I is large, Part II and Part III little, then dust suppression, cyclone dust removal and water curtain efficiency of dust collection are low; Part III is excessive, Part I and Part II little, then cyclone dust removal efficiency is low.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the minimum diameter of the internal diameter of described central discharge air pipe 3, the internal diameter of described Part I 21, described Part II 22 is 1: 4: 2: 5 with the ratio of the internal diameter of described hollow outer cylinder body 1.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the bottom of described settling zone 11 is also provided with the second leakage fluid dram, it is disposed on the top of described first leakage fluid dram 111, described first leakage fluid dram 111 is communicated with the first discharging tube and the first valve, described second leakage fluid dram is communicated with the second discharging tube and the second valve, described second leakage fluid dram is communicated with described first feed tube 4 by high-pressure pump, and the other end of described first feed tube 4 is communicated with fluid supply by the 3rd valve.Arranging after the first leakage fluid dram 111 can make the dust-laden liquid in settling zone directly discharge uses in the processing of fertilizer, second leakage fluid dram is set, in order to when the dustiness of dust-laden liquid in settling zone is few, can be communicated with the first feed tube 4 through the second discharging tube, directly enter in the heat exchanger tube of whirlwind dust collector of water curtain, carry out heat exchange and spraying and dedusting further, improve its cyclic utilization rate, improve dustiness in the dust-laden liquid reclaimed, thus be applied directly in fertilizer processing.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the inside of described central discharge air pipe 3 is provided with drying device, and the gas through spraying and dedusting is discharged in air after drying.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, the outside of described hollow outer cylinder body 1 is provided with thermal insulation layer, avoid liquid in the first interlayer and the second interlayer and high temperature dust tail gas carries out heat exchange with the cold air of outside again after heat exchange, cause heat exchanger effectiveness to reduce.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, described multiple taper deflector 61 is three, and the sidewall of described taper deflector 61 is with vertical in 45 °, and its minimum diameter is 4: 5 with the ratio of maximum gauge.
In another kind of technical scheme, the described whirlwind dust collector of water curtain being applicable to high temperature dust tail gas recycle, described settling zone 11 and described second interlayer are equipped with breast hole, in case the dust deposit of not discharging completely in Long-Time Service process is in settling zone and the second interlayer, cause blocking the efficiency reducing cyclone dust collector.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. be applicable to a whirlwind dust collector of water curtain for high temperature dust tail gas recycle, it is characterized in that, comprising:
Hollow outer cylinder body, it is cylindric;
Hollow inner cylinder body, it is arranged on the inside of described hollow outer cylinder body, its height being highly less than described hollow outer cylinder body is to make the formation settling zone, bottom of described hollow outer cylinder body, the bottom of described settling zone is provided with the first leakage fluid dram, wherein, described hollow inner cylinder body comprises integrated three part compositions, is from top to bottom followed successively by:
Part I, it is cylindric, and the external diameter of described Part I is less than the internal diameter of described hollow outer cylinder body and forms the first interlayer with the inwall of described hollow outer cylinder body;
Part II, it is up big and down small coniform of internal diameter;
Part III, it is the up-small and down-big inverted cone-shaped of internal diameter, be communicated with described Part II and described settling zone, the lower end of described Part III and the inwall of described hollow outer cylinder body offset, to make the inwall of the sidewall of the sidewall of described Part III and described Part II and described hollow outer cylinder body form the second interlayer, be communicated with between described first interlayer with described second interlayer;
Central discharge air pipe, it is arranged on the inside of described hollow inner cylinder body, top and the ft connection of described hollow outer cylinder body are passed in its one end, the lower end of the other end and described Part I in one plane, wherein, heat exchange circular passage is formed between described central discharge air pipe and described Part I, the inside of described circular passage is provided with the annular conduit of from inside to outside coiled coil, described annular conduit passes described hollow outer cylinder body near one end of described central discharge air pipe and is communicated with the first feed tube, the other end is communicated with described first interlayer, the outside of described annular conduit is the annular intake pipe of from inside to outside coiled coil, described annular intake pipe is tangentially communicated with the air inlet pipe of outside near one end of described central discharge air pipe, the other end is communicated with the top of described Part II,
Spray equipment, it comprises:
Multiple taper deflector, its level and be disposed on described Part III inwall along short transverse, described taper deflector is up big and down small coniform of internal diameter, its sidewall with vertical in 45-60 °;
Multiple circular spray tube, its inwall being separately positioned on the top of described multiple taper deflector and described Part III is adjacent, described circular spray tube is provided with the second feed tube be communicated with described second interlayer, and described circular spray tube is interval with multiple nozzle.
2. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 1, it is characterized in that, the aspect ratio of described hollow outer cylinder body and described hollow inner cylinder body is 3: 2, and the aspect ratio of described Part I, described Part II and described Part III is 1: 2-3: 1.
3. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 2, it is characterized in that, the minimum diameter of the internal diameter of described central discharge air pipe, the internal diameter of described Part I, described Part II is 1: 4: 2: 5 with the ratio of the internal diameter of described hollow outer cylinder body.
4. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 1, it is characterized in that, the bottom of described settling zone is also provided with the second leakage fluid dram, it is disposed on the top of described first leakage fluid dram, described first leakage fluid dram is communicated with the first discharging tube and the first valve, described second leakage fluid dram is communicated with the second discharging tube and the second valve, described second leakage fluid dram is communicated with described first feed tube by high-pressure pump, and the other end of described first feed tube is communicated with fluid supply by the 3rd valve.
5. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 1, it is characterized in that, the inside of described central discharge air pipe is provided with drying device.
6. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 1, it is characterized in that, the outside of described hollow outer cylinder body is provided with thermal insulation layer.
7. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 1, it is characterized in that, described multiple taper deflector is three, and the sidewall of described taper deflector is with vertical in 45 °, and its minimum diameter is 4: 5 with the ratio of maximum gauge.
8. be applicable to the whirlwind dust collector of water curtain of high temperature dust tail gas recycle as claimed in claim 1, it is characterized in that, described settling zone and described second interlayer are equipped with breast hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510730503.9A CN105327581B (en) | 2015-10-31 | 2015-10-31 | Suitable for the whirlwind dust collector of water curtain of high temperature dust tail gas recycle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510730503.9A CN105327581B (en) | 2015-10-31 | 2015-10-31 | Suitable for the whirlwind dust collector of water curtain of high temperature dust tail gas recycle |
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| CN105327581A true CN105327581A (en) | 2016-02-17 |
| CN105327581B CN105327581B (en) | 2017-09-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838992A (en) * | 2016-12-23 | 2017-06-13 | 广西芮芽科技有限公司 | Biomass combustion energy-saving and emission-reduction heating system |
| CN112844037A (en) * | 2020-12-25 | 2021-05-28 | 李红霞 | Organic waste gas treatment device of paint spraying line |
| CN114405205A (en) * | 2022-02-11 | 2022-04-29 | 青岛云路先进材料技术股份有限公司 | High-temperature gas-solid mixed phase separation equipment |
| CN114870606A (en) * | 2022-07-05 | 2022-08-09 | 沧州中铁装备制造材料有限公司 | Acid making tail gas purifying and whitening device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076579A (en) * | 2020-09-17 | 2020-12-15 | 南京大学 | Small-sized equipment and method for cyclone-water curtain two-stage purification of flue gas of agricultural dwelling houses |
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| DE20007622U1 (en) * | 1999-06-21 | 2000-08-03 | Voest Alpine Ind Anlagen | Device for cleaning and / or dedusting dust-containing exhaust gas flows |
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| CN202289717U (en) * | 2011-10-13 | 2012-07-04 | 河南金源新材料科技股份有限公司 | Dust removing and recycling device of spraying tower |
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| DE20007622U1 (en) * | 1999-06-21 | 2000-08-03 | Voest Alpine Ind Anlagen | Device for cleaning and / or dedusting dust-containing exhaust gas flows |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106838992A (en) * | 2016-12-23 | 2017-06-13 | 广西芮芽科技有限公司 | Biomass combustion energy-saving and emission-reduction heating system |
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| CN112844037A (en) * | 2020-12-25 | 2021-05-28 | 李红霞 | Organic waste gas treatment device of paint spraying line |
| CN112844037B (en) * | 2020-12-25 | 2023-01-03 | 日照职业技术学院 | Organic waste gas treatment device of paint spraying line |
| CN114405205A (en) * | 2022-02-11 | 2022-04-29 | 青岛云路先进材料技术股份有限公司 | High-temperature gas-solid mixed phase separation equipment |
| CN114405205B (en) * | 2022-02-11 | 2022-10-25 | 青岛云路先进材料技术股份有限公司 | High-temperature gas-solid mixed phase separation equipment |
| CN114870606A (en) * | 2022-07-05 | 2022-08-09 | 沧州中铁装备制造材料有限公司 | Acid making tail gas purifying and whitening device |
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| Publication number | Publication date |
|---|---|
| CN105327581B (en) | 2017-09-05 |
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Effective date of registration: 20171215 Address after: 536000, the Guangxi Zhuang Autonomous Region, Beihai, Taiwan Road, Jilin Road, Northeast China Electronics Beihai Industrial Park, room 04 East Patentee after: Beihai Ke Ke Qi Electronic Technology Co., Ltd. Address before: 530001 the Guangxi Zhuang Autonomous Region Xingning District of Nanning City Mingxiu Road North four Road No. 3 Patentee before: Zhang Jijin |