CN208145728U - Self-circulation device for removing white smoke - Google Patents
Self-circulation device for removing white smoke Download PDFInfo
- Publication number
- CN208145728U CN208145728U CN201820467820.5U CN201820467820U CN208145728U CN 208145728 U CN208145728 U CN 208145728U CN 201820467820 U CN201820467820 U CN 201820467820U CN 208145728 U CN208145728 U CN 208145728U
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- Prior art keywords
- flue gas
- low
- pressure area
- self
- white
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- 239000000779 smoke Substances 0.000 title 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000003546 flue gas Substances 0.000 claims abstract description 141
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000004821 distillation Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000004064 recycling Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 claims description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 36
- 230000008569 process Effects 0.000 abstract description 20
- 238000006477 desulfuration reaction Methods 0.000 abstract description 4
- 230000023556 desulfurization Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 239000002918 waste heat Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an energy-concerving and environment-protective device and method technical field that flue gas recovery used among coal-fired power generation desulfurization process especially relate to a self-looper for flue gas takes off white. The self-circulation device comprises a white removing chamber and a flue gas heat exchanger, wherein a high pressure area and a low pressure area are respectively arranged in the white removing chamber, the high pressure area and the low pressure area are separated by a distillation membrane, and the distillation membrane is used for selectively filtering water vapor in high-temperature flue gas in the high pressure area into the low pressure area under the action of pressure difference; the high pressure area and the low pressure area are respectively connected with a flue gas heat exchanger, and the flue gas heat exchanger is used for recycling latent heat of water vapor so as to ensure that low-temperature flue gas passing through the flue gas heat exchanger absorbs heat and is heated to high-temperature flue gas. The device can utilize the latent heat of steam to accelerate the process of flue gas intensification, effectively improves and takes off white efficiency, can retrieve the latent heat of the steam that is peeled off by the filtration in the flue gas again and recycle to resource cyclic utilization who will retrieve takes off white flow in the flue gas, in order to improve resource utilization.
Description
Technical field
The utility model relates to the energy-saving environmental protection device technical fields of off-gas recovery in coal fired power generation sulfur removal technology, especially
It is related to a kind of taking off white self-circulating device for flue gas.
Background technique
Coal fired power generation is the main forms of electricity generation in China, and sulfur removal technology consumes a large amount of water resource, therefore, in recovered flue gas
Moisture become coal fired power plant energy-saving and emission-reduction key.Contain a large amount of water vapour in flue gas after desulfurization, removes cigarette
The process of water vapour is commonly called as " taking off white " in gas.The discharge of water vapour and waste heat after desulfurization is how reduced, power plant's flue gas loss is reduced,
Fundamentally solve the problems, such as that " white cigarette " problem becomes coal-burning power plant and faces.
Currently used de- whitening method includes condensation method, absorption process and embrane method.Condensation method is to absorb water using cooling water to steam
The latent heat of vapour, so that the method for condensing water vapour, this method cannot sufficiently recycle the latent heat of water vapour in flue gas, and
Equipment investment is larger；Absorption process is to complete the release and suction of vapour latent heat using the solution with moisture pick-up properties as dehumidizer
It receives, compared to condensation method, which recycles moisture and the potentiality of waste heat are bigger, and disadvantage is the mating solution regeneration of palpus and disposition system
System；Although embrane method can be realized the separation of water vapour and flue gas, but cannot recycle the latent heat of water vapour completely, cause energy
Waste.
Utility model content
(1) technical problems to be solved
White self-circulating device is taken off for flue gas the technical problem to be solved by the present invention is to provide a kind of, is realized high
While effect takes off white, moreover it is possible to effective recycling thermal energy and water resource, and the resource circulation utilization of recycling is taken off into white stream in flue gas
Cheng Zhong, to improve resource utilization.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provide it is a kind of take off white self-circulating device for flue gas, packet
Include and take off white room and flue gas heat-exchange unit, it is described to take off white interior and be respectively equipped with higher-pressure region and low-pressure area, the higher-pressure region and low-pressure area it
Between by distillation film separate, it is described distillation film under differential pressure action, by the high-temperature flue gas in the higher-pressure region water steam
In the filtering to the low-pressure area of vapour selectivity；The higher-pressure region and low-pressure area are connect with the flue gas heat-exchange unit respectively, described
Flue gas heat-exchange unit is used to recycle the latent heat of the water vapour, rises so as to absorb heat by the low-temperature flue gas of the flue gas heat-exchange unit
Temperature is the high-temperature flue gas.
Further, the flue gas heat-exchange unit includes exhaust gases passes and vapor channel, the exhaust gases passes and vapor channel
It is connected to respectively with the higher-pressure region and low-pressure area, the low-temperature flue gas is in exhaust gases passes and by the water in the vapor channel
Heat exchange effect is generated between steam, so that low-temperature flue gas heat absorption heating is the high-temperature flue gas, and drops the water vapour
Temperature is condensed water.
Further, the air inlet of the exhaust gases passes is communicated with flue gas source, the gas outlet of the exhaust gases passes with it is described
Higher-pressure region connection.
Further, the entrance of the vapor channel is connected to the low-pressure area, and the outlet of the vapor channel has
Condensate processor.
Further, the condensate processor connects heating system by condensation water- to-water heat exchanger.
Further, the condensate processor connects heating system by water-water jet.
Further, it is connected between the low-pressure area and flue gas heat-exchange unit for taking off white room by vapour compression machine.
Further, the pressure ratio range of the vapour compression machine is 1.6-2.5.
Further, multiple filtration holes are uniformly placed on the distillation film.
Further, the aperture in the filtration hole is between 1 micron to 1.5 microns.
(3) beneficial effect
The above-mentioned technical proposal of the utility model has the advantages that：It is described in the utility model for flue gas take off it is white
Self-circulating device include taking off white room and flue gas heat-exchange unit, take off white interior and be respectively equipped with higher-pressure region and low-pressure area, higher-pressure region and low
Separated between pressure area by distillation film, distillation film is used under differential pressure action, by the water vapour in the high-temperature flue gas in higher-pressure region
In the filtering to low-pressure area of selectivity；Higher-pressure region and low-pressure area are connect with flue gas heat-exchange unit respectively, and flue gas heat-exchange unit is for recycling
Using the latent heat of water vapour, so that the low-temperature flue gas heat absorption heating by flue gas heat-exchange unit is high-temperature flue gas.The device can benefit
Accelerate the process of flue gas heating with the latent heat of water vapour, raising takes off white efficiency, and the water vapour that can will be removed in flue gas by filtering
The abundant recycling and reusing of latent heat, and the resource circulation utilization of recycling is taken off in white process in flue gas, to improve resource utilization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that white self-circulating device is taken off for flue gas of the utility model embodiment；
Wherein, 1, white room is taken off；2, film is distilled；3, vapour compression machine；4, flue gas heat-exchange unit；5, condensate processor；A1,
The air inlet of exhaust gases passes；The gas outlet of A2, exhaust gases passes；The entrance of B1, vapor channel；The outlet of B2, vapor channel；C, height
Pressure area；D, low-pressure area.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term
The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
For a large amount of consumption of water resource during flue gas " taking off white " and the waste problem of heat, the present embodiment proposes one
Kind is suitable for power-plant flue gas and takes off white self-circulating device, water vapour is filtered out from flue gas to realize, to realize water vapour and cigarette
The separation of gas, while the flue-gas temperature before filtering is improved using the waste heat (latent heat) contained in the water vapour filtered out, it is steamed for film
It evaporates process and more sufficient power is provided, and realize the complete recycling of the heat of water resource and its carrying on this basis.
As shown in Figure 1, provided in this embodiment take off white self-circulating device including taking off white room 1 and flue gas heat exchange for flue gas
Device 4, wherein take off the place that white room 1 is separated as water vapour from flue gas, take off in white room 1 and be respectively equipped with higher-pressure region C and low-pressure area
D is separated between higher-pressure region C and low-pressure area D by distillation film 2, since flue gas is heated up in flue gas heat-exchange unit 4, temperature
Therefore pressure rise while degree increases forms higher-pressure region C in the side of distillation film 2 into the high-temperature flue gas for taking off white room 1, and
The other side of distillation film 2 on the other side is low-pressure area D, since distillation film 2 has selectivity --- only water vapour can pass through,
Therefore, the distillation film 2 of the present embodiment under the differential pressure action of film two sides, by the water in the high-temperature flue gas in the C of higher-pressure region for steaming
In the filtering to low-pressure area D of vapour selectivity, in other words, under the action of the pressure difference of film two sides and distillation 2 selectivity of film, in flue gas
Water vapour by the C of higher-pressure region by distill film 2 be filtered in low-pressure area D.
The higher-pressure region C and low-pressure area D for taking off white room 1 are connect with flue gas heat-exchange unit 4 respectively, and flue gas heat-exchange unit 4 is for recycling benefit
With the latent heat of water vapour, so as to become height after the low-temperature flue gas of flue gas heat-exchange unit 4 absorbs heat heating from the latent heat of water vapour
Warm flue gas, thus can be using the latent heat of water vapour as the heating dynamic origin of low-temperature flue gas, to accelerate flue gas heating
Process further increases flue-gas temperature and pressure in the C of higher-pressure region, and then improves and take off white efficiency, and can be by quilt in high-temperature flue gas
The abundant recycling and reusing of latent heat of the water vapour of removing is filtered, and the resource circulation utilization of recycling is taken off in white process in flue gas,
A set of self-loopa process is formed, to improve resource utilization.
Preferably, it distills and is uniformly placed with multiple filtration holes on film 2, filtration hole, which is used to play water vapour throttling, to be made
With.It should be noted that：If the hole for filtering hole is too small, the water vapor pressure that will cause after penetrating is too low, and will affect
The transmitance of water vapour；If the hole for filtering hole is excessive, the pressure difference that will cause film two sides is too small, equally will affect water vapour
Therefore transmitance in order to guarantee to distill the water vapour permeability of film 2, and can guarantee in the pressure difference and low-pressure area D of film two sides
Pressure stablize, preferably filtration hole aperture be 1 micron to 1.5 microns between.
For the ease of filtered de- white cigarette gas is discharged, it preferably is communicated with exhaust passage in the high-temperature region for taking off white room 1, works as water
After steam is separated by distillation film 2 from flue gas, remaining de- white cigarette gas takes off white room 1 via exhaust passage discharge in high-temperature region,
To enter in subsequent fume treatment process.
In the present embodiment, in order to promote to take off the separative efficiency of water vapour and flue gas in white room 1, in flue gas source and the room Tuo Bai
Flue gas heat-exchange unit 4 is equipped between 1.On the one hand, using flue gas heat-exchange unit 4 flue-gas temperature before filtering is effectively promoted,
Ensure to take off the higher-pressure region C pressure in white room 1 to stablize, and guarantees that the pressure difference of film two sides is stablized；On the other hand, flue gas heat exchange is utilized
4 recycle-water latent heat of the steam of device, the latent heat of filtered water vapour is sufficiently applied in the heat exchange between flue gas, is not necessarily to
Adding extra power-equipment can be realized the process of flue gas increasing temperature and pressure, and the heat exchanging process is both economically and environmentally beneficial pollution-free.
Preferably, flue gas heat-exchange unit 4 includes exhaust gases passes and vapor channel, exhaust gases passes and vapor channel respectively with take off it is white
The higher-pressure region C of room 1 is connected to low-pressure area D, and the flue gas to be heated up from coal-burning power plant can be considered low-temperature flue gas, the low-temperature flue gas
It is acted on when by exhaust gases passes, in exhaust gases passes and by generating heat exchange between the water vapour in vapor channel, so that low
Warm flue gas heat absorption heating is high-temperature flue gas, and water vapour cooling is made to be condensed water.
Specifically, the air inlet A1 of exhaust gases passes is communicated with flue gas source, the gas outlet A2 and higher-pressure region C of exhaust gases passes connect
It is logical；The entrance B1 of vapor channel is connected to low-pressure area D, and the outlet B2 of vapor channel is communicated with condensate processor 5, then is come from
The water vapour taken off in the low-pressure area D of white room 1 enters in the vapor channel of flue gas heat-exchange unit 4 from the entrance B1 of vapor channel, at it
It is flowed out after middle release latent heat from the outlet B2 of vapor channel；At the same time, low-temperature flue gas enters from the air inlet A1 of exhaust gases passes
In flue gas heat-exchange unit 4, low-temperature flue gas generates heat exchange action between the water vapour in exhaust gases passes and in process vapor channel,
So that temperature increases to form high-temperature flue gas after the latent heat of low-temperature flue gas absorption water vapour, outlet of the high-temperature flue gas from exhaust gases passes
Mouth A2 discharge.Preferably, in order to further increase the heat exchanger effectiveness between flue gas and water vapour, exhaust gases passes and steam are led to
Road, which interlocks, spiral arrangement or is mutually S-shaped arrangement for exhaust gases passes and vapor channel.
In order to improve the heat exchange efficiency between water vapour and flue gas in flue gas heat-exchange unit 4, and guarantee the self-circulating device
Reliability service, connected preferably between the low-pressure area D and flue gas heat-exchange unit 4 for taking off white room 1 by vapour compression machine 3, the steam
Compressor 3 is used to improve the temperature and pressure of filtered water vapour, is both the energy addition item and the present apparatus of the present apparatus
In unique dissipative cell.
Specifically, vapour compression machine 3 is connected to the entrance of the exhaust outlet of low-pressure area D and the vapor channel of flue gas heat-exchange unit 4
Between B1, low pressure water vapor, the low-pressure area D of the white room 1 of low pressure water vapor autospasy can be considered by distilling the filtered water vapour of film 2
Into in vapour compression machine 3, vapour compression machine 3 converts electrical energy into the enthalpy of water vapour, so that the temperature and pressure of low pressure water vapor
Power increases, to be changed into the water vapour of high temperature and pressure, enabling when water vapour and flue gas heat exchange is further flue gas liter
Temperature provides sufficient heat, accelerates the efficiency of flue gas heating.
It should be noted that the energy consumption of the vapour compression machine 3 and its pressure ratio (i.e. outlet stagnation pressure of compressor and import stagnation pressure
The ratio between) directly related, to reduce energy consumption, the preferably pressure ratio range of the vapour compression machine 3 is 1.6-2.5.
In the present embodiment, water vapour is changed into condensed water after heat release cooling condensation in flue gas heat-exchange unit 4, and condensed water enters
So as in the subsequent condensation water treatment process of entrance in condensate processor 5.Condensed water in the present embodiment is by condensed water
Reason device 5 is introduced into municipal heating system, so that the resource of recycling and the energy further be made full use of.Preferably,
Condensate processor 5 is connect by condensation water- to-water heat exchanger or water-water jet with heating system, when condensate processor 5 passes through
When condensing water- to-water heat exchanger connection heating system, exchange heat between remaining waste heat and municipal heating water return in condensed water, thus
Heat is provided for municipal administration heating；It similarly, directly will be cold when condensate processor 5 connects heating system by water-water jet
Condensate is mixed into municipal heating water return, so that more efficient mixed water heat exchange is realized, so that the utilization rate of energy is higher.More than
Process, not only realizes that efficiently taking off for flue gas be white, latent heat that sufficiently recycled water vapour is allowed to be detached from the mistake of flue gas for water vapour
Journey provides power, has also further recycled the condensed water and its heat carried of water vapour generation completely.
Based on self-circulating device as described above, the present embodiment, which also proposed, a kind of takes off white self-loopa side for flue gas
Method, this method can accelerate the process of flue gas heating using the latent heat of water vapour, and raising take off white efficiency, but can by flue gas by mistake
The abundant recycling and reusing of latent heat of the water vapour of removing is filtered, and the resource circulation utilization of recycling is taken off in white process in flue gas, with
Improve resource utilization.Specifically, this approach includes the following steps：
S10, the water vapour in high-temperature flue gas is filtered by higher-pressure region C to low-pressure area D by taking off the distillation film 2 in white room 1；
S20, the latent heat that filtered water vapour is recycled by flue gas heat-exchange unit 4, so that by flue gas heat-exchange unit 4
Low-temperature flue gas heat absorption heating be high-temperature flue gas.
Further, on the basis of above-mentioned step S10 and step S20, in order to guarantee that flue gas takes off white stable circulation,
This method further includes：
S30, step S10 to step S20 is repeated, until the latent heat that the flue gas all takes off the white or described water vapour is whole
It exhausts.
Further, in order to guarantee this method can sustainable realization flue gas desulfurization self-loopa, preferably in step S10 and
Further include between step S20：
S15, the filtered water vapour is heated up by vapour compression machine 3, to improve the filtered water vapour
Latent heat.
In conclusion the present embodiment for flue gas take off white self-circulating device include take off white room 1 and flue gas heat-exchange unit 4,
It takes off and is respectively equipped with higher-pressure region C and low-pressure area D in white room 1, separated between higher-pressure region C and low-pressure area D by distillation film 2, distill film 2
For under differential pressure action, will be in the filtering to low-pressure area D of the water vapour selectivity in the high-temperature flue gas in the C of higher-pressure region；High pressure
Area C and low-pressure area D are connect with flue gas heat-exchange unit 4 respectively, and flue gas heat-exchange unit 4 is used to recycle the latent heat of water vapour, so that through
The low-temperature flue gas heat absorption heating for crossing flue gas heat-exchange unit 4 is high-temperature flue gas；And based on the device propose it is a kind of take off for flue gas it is white
Self-loopa method.The device and method can accelerate the process of flue gas heating using the latent heat of water vapour, and raising takes off white efficiency,
The abundant recycling and reusing of latent heat of the water vapour of removing can will be filtered in flue gas again, and by the resource circulation utilization of recycling in cigarette
In the white process of qi exhaustion, to improve resource utilization.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of take off white self-circulating device for flue gas, which is characterized in that including taking off white room and flue gas heat-exchange unit, it is described take off it is white
Interior is respectively equipped with higher-pressure region and low-pressure area, is separated between the higher-pressure region and low-pressure area by distillation film, the distillation film is used
In under differential pressure action, will be in the filtering to the low-pressure area of the water vapour selectivity in the high-temperature flue gas in the higher-pressure region；
The higher-pressure region and low-pressure area are connect with the flue gas heat-exchange unit respectively, and the flue gas heat-exchange unit is steamed for recycling the water
The latent heat of vapour, so that the low-temperature flue gas heat absorption heating by the flue gas heat-exchange unit is the high-temperature flue gas.
2. self-circulating device according to claim 1, which is characterized in that the flue gas heat-exchange unit includes exhaust gases passes and water
Vapour channel, the exhaust gases passes and vapor channel are connected to the higher-pressure region and low-pressure area respectively, and the low-temperature flue gas is in flue gas
In channel and by generating heat exchange effect between the water vapour in the vapor channel, so that low-temperature flue gas heat absorption heating is
The high-temperature flue gas, and the water vapour cooling is made to be condensed water.
3. self-circulating device according to claim 2, which is characterized in that the air inlet of the exhaust gases passes is communicated with flue gas
Source, the gas outlet of the exhaust gases passes are connected to the higher-pressure region.
4. self-circulating device according to claim 2, which is characterized in that the entrance of the vapor channel and the low-pressure area
Connection, the outlet of the vapor channel have condensate processor.
5. self-circulating device according to claim 4, which is characterized in that the condensate processor is changed by condensed water
Hot device connects heating system.
6. self-circulating device according to claim 4, which is characterized in that the condensate processor is connected by water-water jet
Connect heating system.
7. self-circulating device according to claim 1-6, which is characterized in that the low-pressure area and cigarette for taking off white room
It is connected between gas heat exchanger by vapour compression machine.
8. self-circulating device according to claim 7, which is characterized in that the pressure ratio range of the vapour compression machine is 1.6-
2.5。
9. self-circulating device according to claim 1-6, which is characterized in that uniformly arrange on the distillation film
There are multiple filtration holes.
10. self-circulating device according to claim 9, which is characterized in that the aperture in the filtration hole is 1 micron to 1.5
Between micron.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467820.5U CN208145728U (en) | 2018-04-03 | 2018-04-03 | Self-circulation device for removing white smoke |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467820.5U CN208145728U (en) | 2018-04-03 | 2018-04-03 | Self-circulation device for removing white smoke |
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| Publication Number | Publication Date |
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| CN208145728U true CN208145728U (en) | 2018-11-27 |
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ID=64380280
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| CN201820467820.5U Active CN208145728U (en) | 2018-04-03 | 2018-04-03 | Self-circulation device for removing white smoke |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380009A (en) * | 2018-04-03 | 2018-08-10 | 中国科学院理化技术研究所 | Self-circulation device and method for removing white smoke |
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2018
- 2018-04-03 CN CN201820467820.5U patent/CN208145728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380009A (en) * | 2018-04-03 | 2018-08-10 | 中国科学院理化技术研究所 | Self-circulation device and method for removing white smoke |
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