CN111298555A - Fluid dynamics integral type foam dust device - Google Patents
Fluid dynamics integral type foam dust device Download PDFInfo
- Publication number
- CN111298555A CN111298555A CN202010197414.3A CN202010197414A CN111298555A CN 111298555 A CN111298555 A CN 111298555A CN 202010197414 A CN202010197414 A CN 202010197414A CN 111298555 A CN111298555 A CN 111298555A
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- foam
- water
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- gas
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- 239000006260 foam Substances 0.000 title claims abstract description 86
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 239000012530 fluid Substances 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000005187 foaming Methods 0.000 claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/04—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour through foam
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention belongs to the field of dust prevention and dust reduction, and relates to a fluid dynamics integrated foam dust reduction device which comprises an integrated pipeline box, and a foam liquid box and a foam mixing generator which are respectively connected with the integrated pipeline box in a matching manner; the integrated pipeline box comprises a gas-water linkage valve for introducing external gas and water, the gas-water linkage valve is respectively communicated with a water inlet pipeline and an air inlet pipeline, the tail ends of the water inlet pipeline and the air inlet pipeline are connected with a gas-water combined valve, and the gas-water combined valve is connected with the foam mixing generator in a matching way; still be provided with the ejector on the inlet line, the other end of this ejector is connected with the pipette with foam liquid case intercommunication, is provided with on the ejector to add proportion governing valve. The invention has even foaming, and the foaming durability and the wind resistance are also improved; the device has the advantages that the dust falling purpose can be achieved, the device is small in size, the random movement can be realized, the foam liquid is sprayed in a short distance to cover dust producing points, the dust flying into the air is prevented from the source, the coverage required to be covered is reduced, and the consumption of the foam liquid is reduced.
Description
Technical Field
The invention belongs to the field of dust prevention and reduction, and relates to a fluid dynamics integrated foam dust reduction device.
Background
At present, the adding, mixing and generating devices are separated in China, the structure is not compact, the size is large, in addition, the mixing and generating are realized by depending on a mechanical structure or adding a power source, if the mixing utilizes a dynamic impeller type filter screen and a V-shaped filter screen for static mixing, the foam generator generally blows mixed foam liquid through an arc-shaped net by high-speed airflow to form, the structure is complex, and the manufacturing cost is high.
Disclosure of Invention
In view of the above, the present invention provides a hydrodynamic integrated foam dust-settling device, which integrates an adding device, a mixing device and a generator, collects and adheres dust particles in air by means of hydrodynamic multiphase flow turbulence mixing foaming and relying on fluid flow characteristics and self power, so as to achieve the purpose of dust settling.
In order to achieve the purpose, the invention provides the following technical scheme: a fluid dynamics integrated foam dust settling device comprises an integrated pipeline box, and a foam liquid box and a foam mixing generator which are respectively connected with the integrated pipeline box in a matching manner;
the integrated pipeline box comprises a gas-water linkage valve for introducing external gas and water, the gas-water linkage valve is respectively communicated with a water inlet pipeline and an air inlet pipeline, the tail ends of the water inlet pipeline and the air inlet pipeline are connected with a gas-water combined valve, and the gas-water combined valve is connected with the foam mixing generator in a matching way;
still be provided with the ejector on the inlet line, the other end of this ejector is connected with the pipette with foam liquid case intercommunication, is provided with on the ejector to add proportion governing valve.
Optionally, the foam mixing generator includes a water-liquid inlet communicated with the water inlet pipeline and a compressed air inlet communicated with the air inlet pipeline, and the water-liquid inlet and the compressed air inlet are communicated with a foam mixing chamber in the foam mixing generator.
Alternatively, the distal outlets of the water-liquid inlet and the compressed gas inlet are arranged vertically in the foam mixing chamber.
Optionally, a tapered gas-liquid contact joint is disposed in the foam mixing chamber, and has a plurality of pores, and the tapered gas-liquid contact joint separates the outlet at the end of the water-liquid inlet from the outlet at the end of the compressed gas inlet.
Optionally, an umbrella-shaped mixed foaming cap is further arranged in the conical gas-liquid contact connector in a matching manner, one end of the umbrella-shaped mixed foaming cap is communicated with the tail end outlet of the water-liquid inlet, and the other end of the umbrella-shaped mixed foaming cap is communicated with an S-shaped foaming pipeline.
Optionally, a plurality of parallel supporting shafts are arranged in the S-shaped foaming pipeline, the supporting shafts are fixed in the S-shaped foaming pipeline through supporting frames, a plurality of cross-shaped stirring wheels are arranged on the supporting shafts in a matched mode, and a foam outlet is formed in the tail end of the S-shaped foaming pipeline.
Optionally, the foam liquid tank is also provided with an air filter, a liquid filling port, a slag discharging port and a foam liquid filter in a matching manner.
Optionally, a water pressure regulating valve and a Y-shaped filter are further arranged on the water inlet pipeline in a matched mode, and an air pressure regulating valve is arranged on the air inlet pipeline in a matched mode.
Optionally, a pressure gauge is further installed on the integrated pipeline box in a matching mode.
The invention has the beneficial effects that: the invention depends on the fluid flow characteristic and the self power, and by means of the fluid dynamics multi-phase flow turbulence mixing foaming principle, the multi-phase flow is mixed more fully and foamed more uniformly, and the foaming durability and the wind resistance are also improved; and finally, the foam is sprayed into the dirty air by means of the power of high-pressure water and air flow to collect and adhere dust particles in the air, so that the aim of dust reduction is fulfilled.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of a hydrodynamic integrated foam dust settling device according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line D-D of FIG. 1;
fig. 4 is a schematic structural diagram of a foam mixing generator of the hydrodynamic integrated foam dust settling device.
Reference numerals: the device comprises an integrated pipeline box 1, a gas-water linkage valve 11, a water inlet pipeline 12, a Y-shaped filter 13, an ejector 14, a liquid suction pipe 15, an adding proportion adjusting valve 16, a gas-water combination valve 17, an air inlet pipeline 18, a foam liquid box 2, an air filter 21, a liquid filling opening 22, a slag discharge opening 23, a foam liquid filter 24, a foam mixing generator 3, a foam outlet 31, a cross stirring wheel 32, a support shaft 33, a support frame 34, an S-shaped foaming pipeline 35, an umbrella-shaped mixing cap 36, a conical gas-liquid contact joint 37, a compressed gas inlet 38, a water-liquid inlet 39, a water pressure adjusting valve 4, an air pressure adjusting valve 5 and a pressure gauge 6.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, a hydrodynamics integrated foam dust settling device includes an integrated pipeline tank 1, and a foam liquid tank 2 and a foam mixing generator 3 respectively connected to the integrated pipeline tank 1 in a matching manner, wherein the foam liquid tank 2 is provided with an air filter 21, a liquid filling port 22, a slag discharge port 23 and a foam liquid filter 24 in a matching manner, and the integrated pipeline tank 1 is provided with a pressure gauge 6 in a matching manner; the integrated pipeline box 1 comprises a gas-water linkage valve 11 for introducing external gas and water, the gas-water linkage valve 11 is respectively communicated with a water inlet pipeline 12 and an air inlet pipeline 18, the tail ends of the water inlet pipeline 12 and the air inlet pipeline 18 are connected with a gas-water combination valve 17, and the gas-water combination valve 17 is connected with the foam mixing generator 3 in a matching way; the water inlet pipeline 12 is also provided with an ejector 14, the other end of the ejector 14 is connected with a liquid suction pipe 15 communicated with the foam liquid tank 2, the ejector 14 is provided with an adding proportion regulating valve 16, the water inlet pipeline 12 is also provided with a water pressure regulating valve 4 and a Y-shaped filter 13 in a matching manner, and the air inlet pipeline 18 is provided with an air pressure regulating valve 5 in a matching manner; the foam mixing generator 3 comprises a water-liquid inlet 39 and a compressed gas inlet 38, the water-liquid inlet 39 and the compressed gas inlet 38 are respectively communicated with the water inlet pipeline 12, the foam mixing generator 3 is internally communicated with a foam mixing chamber, the water-liquid inlet 39 and the tail end outlet of the compressed gas inlet 38 are vertically arranged in the foam mixing chamber, a conical gas-liquid contact joint 37 is arranged in the foam mixing chamber, a plurality of pores are arranged on the conical gas-liquid contact joint 37, the conical gas-liquid contact joint 37 separates the tail end outlet of the water-liquid inlet 39 from the tail end outlet of the compressed gas inlet 38, an umbrella-shaped mixing foaming cap 36 is also arranged in the conical gas-liquid contact joint 37 in a matching way, one end of the umbrella-shaped mixing foaming cap 36 is communicated with the tail end outlet of the water-liquid inlet 39, the other end of the umbrella-shaped mixing foaming cap is communicated with an S-shaped foaming pipeline 35, a plurality of parallel supporting shafts 33 are arranged in the S, the supporting shaft 33 is fixed in an S-shaped foaming pipeline 35 through a supporting frame 34, and a plurality of cross-shaped stirring wheels 32 are arranged on the supporting shaft in a matching way, and the tail end of the S-shaped foaming pipeline 35 is provided with a foam outlet 31.
In the embodiment, compressed air and pressurized water respectively enter the air inlet pipeline 18 and the water inlet pipeline 12 through the air-water linkage valve, the pressurized water injects the foam liquid in the foam liquid tank 2 into the water inlet pipeline 12 through the injector 14, and the adding proportion of the foam liquid can be adjusted through the proportion adjusting valve; compressed air, pressurized water and foam liquid pass through the air-water combination valve, the directions of liquid flow and air flow are changed into vertical cross flow and enter the foam mixing generator 3, the foam liquid, the water and the air are fully mixed in a foam mixing chamber by means of self power and by utilizing the turbulent flow mixing characteristic of fluid dynamics, foam is generated when the foam liquid, the water and the air pass through a slit, a micropore channel and an umbrella-shaped foaming cap, the S-shaped foaming pipeline 35 enables multiphase flow to generate multiple reversing mixed flow and the multiphase flow is cut by the cross stirring wheel 32, the multiphase flow is mixed more fully, the bubble diameter is more uniform, and meanwhile, the wind resistance and the durability of the bubbles are improved. The generated bubbles are sprayed out through a spray gun through a foam outlet 31, the dust particles in a dirty environment in a spraying range are captured and adhered to achieve the purpose of dust removal, the generated bubbles can be directly arranged near a cutting head of the mining machine, and the foam is directly sprayed to a dust source point to cover and prevent the dust from floating and entering the air.
The air-water linkage valve designed by the invention ensures that air water enters a pipeline system simultaneously, the air-water combination valve enables the air water and the liquid water to simultaneously cross and enter the composite type foam mixing generator 3 from two vertical directions, the air, water and adding proportion regulating valve 16 can respectively regulate the air inlet pressure, the water inlet pressure and the adding proportion of the foam liquid, the three mechanisms of the air-water combination valve, the air-water combination valve and the foam mixing generator 3 have compact structures, the pipeline system only accounts for one fifth of the whole device, the rest volumes are all used for filling the foam liquid, the effective utilization rate of the device is improved, the volume of the device is greatly reduced, the device can be directly connected to a mining machine, the foam is sprayed to a dust producing point of a cutting machine head at a short distance, the spraying range is reduced, the foam liquid is saved, the dust attached to the dust producing point is directly covered and adhered and trapped by the foam, and the coal dust is prevented from, the health of drivers and rear workers is guaranteed.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a fluid dynamics integral type foam dust device which characterized in that: comprises an integrated pipeline box and a foam liquid box and a foam mixing generator which are respectively matched and connected with the integrated pipeline box;
the integrated pipeline box comprises a gas-water linkage valve for introducing external gas and water, the gas-water linkage valve is respectively communicated with a water inlet pipeline and a gas inlet pipeline, the tail ends of the water inlet pipeline and the gas inlet pipeline are connected with a gas-water combination valve, and the gas-water combination valve is connected with a foam mixing generator in a matching way;
the water inlet pipeline is also provided with an ejector, the other end of the ejector is connected with a liquid suction pipe communicated with the foam liquid tank, and the ejector is provided with an adding proportion adjusting valve.
2. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 1, wherein: the foam mixing generator comprises a water-liquid inlet and a compressed gas inlet, wherein the water-liquid inlet is respectively communicated with the water inlet pipeline, the compressed gas inlet is communicated with the air inlet pipeline, and the water-liquid inlet and the compressed gas inlet are communicated with a foam mixing chamber in the foam mixing generator.
3. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 2, wherein: the water-liquid inlet and the tail end outlet of the compressed gas inlet are vertically arranged in the foam mixing chamber.
4. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 2, wherein: the foam mixing chamber is provided with a conical gas-liquid contact joint, a plurality of pores are formed in the conical gas-liquid contact joint, and the conical gas-liquid contact joint separates a tail end outlet of a water-liquid inlet from a tail end outlet of a compressed gas inlet.
5. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 4, wherein: an umbrella-shaped mixed foaming cap is also arranged in the conical gas-liquid contact joint in a matching way, one end of the umbrella-shaped mixed foaming cap is communicated with the tail end outlet of the water-liquid inlet, and the other end of the umbrella-shaped mixed foaming cap is communicated with an S-shaped foaming pipeline.
6. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 5, wherein: a plurality of parallel supporting shafts are arranged in the S-shaped foaming pipeline, the supporting shafts are fixed in the S-shaped foaming pipeline through supporting frames, a plurality of cross-shaped stirring wheels are arranged on the supporting shafts in a matched mode, and a foam outlet is formed in the tail end of the S-shaped foaming pipeline.
7. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 1, wherein: and the foam liquid box is also provided with an air filter, a liquid filling opening, a slag discharging opening and a foam liquid filter in a matching way.
8. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 1, wherein: still match on the water inlet pipeline and be provided with water pressure regulating valve and Y type filter, match on the air intake pipeline and be provided with the air pressure regulating valve.
9. A hydrodynamic integrated foam dedusting apparatus as claimed in claim 1, wherein: and the integrated pipeline box is also provided with a pressure gauge in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010197414.3A CN111298555A (en) | 2020-03-19 | 2020-03-19 | Fluid dynamics integral type foam dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010197414.3A CN111298555A (en) | 2020-03-19 | 2020-03-19 | Fluid dynamics integral type foam dust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111298555A true CN111298555A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010197414.3A Pending CN111298555A (en) | 2020-03-19 | 2020-03-19 | Fluid dynamics integral type foam dust device |
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| CN (1) | CN111298555A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546499A (en) * | 2020-12-31 | 2021-03-26 | 泰州市玉林动力机械有限公司 | Movable compressed air foam fire extinguishing equipment |
| CN114272703A (en) * | 2021-11-10 | 2022-04-05 | 深圳市永鑫泰精密机械有限公司 | Foam dust remover |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818088A (en) * | 2009-12-15 | 2010-09-01 | 江苏工业学院 | Efficient continuous preparation method and device for natural gas hydrate |
| CN102226411A (en) * | 2011-06-07 | 2011-10-26 | 中国矿业大学 | Foam dust-settling device for negative pressure-type mines |
| CN102434187A (en) * | 2011-12-01 | 2012-05-02 | 康立杰 | Foam dust suppression system and foam dust suppression method for mine excavation |
| CN203061079U (en) * | 2013-03-06 | 2013-07-17 | 克拉玛依市新融科技有限公司 | Sulfur elimination agent and gas-liquid phase mixing device |
| CN103691351A (en) * | 2013-12-06 | 2014-04-02 | 中国矿业大学 | Jet flow self-absorption foaming agent parallel foaming system |
| CN105688704A (en) * | 2016-03-31 | 2016-06-22 | 江苏恒泰泳池设备有限公司 | Ozone gas and water mixing device and ozone generator provided with mixing device |
| CN206233888U (en) * | 2016-11-30 | 2017-06-09 | 安塞刚毅油田技术服务有限公司 | It is a kind of with foamed acid can quick de-plugging well-washing truck |
| CN108635702A (en) * | 2018-05-16 | 2018-10-12 | 东华大学 | Foam solution mixing generating means in a kind of compressed air foam fire-extinguishing system |
| CN109252838A (en) * | 2018-09-26 | 2019-01-22 | 西南石油大学 | A kind of U-shaped foam ring generating device and method |
| CN109679682A (en) * | 2017-10-19 | 2019-04-26 | 中国石油化工股份有限公司 | A kind of molten hydrogen storage equipment and molten hydrogen methods |
| CN111229109A (en) * | 2020-03-19 | 2020-06-05 | 中煤科工集团重庆研究院有限公司 | Multiphase power flow field composite foam mixing generator |
| CN211836923U (en) * | 2020-03-19 | 2020-11-03 | 中煤科工集团重庆研究院有限公司 | Fluid dynamics integral type foam dust device |
-
2020
- 2020-03-19 CN CN202010197414.3A patent/CN111298555A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818088A (en) * | 2009-12-15 | 2010-09-01 | 江苏工业学院 | Efficient continuous preparation method and device for natural gas hydrate |
| CN102226411A (en) * | 2011-06-07 | 2011-10-26 | 中国矿业大学 | Foam dust-settling device for negative pressure-type mines |
| CN102434187A (en) * | 2011-12-01 | 2012-05-02 | 康立杰 | Foam dust suppression system and foam dust suppression method for mine excavation |
| CN203061079U (en) * | 2013-03-06 | 2013-07-17 | 克拉玛依市新融科技有限公司 | Sulfur elimination agent and gas-liquid phase mixing device |
| CN103691351A (en) * | 2013-12-06 | 2014-04-02 | 中国矿业大学 | Jet flow self-absorption foaming agent parallel foaming system |
| CN105688704A (en) * | 2016-03-31 | 2016-06-22 | 江苏恒泰泳池设备有限公司 | Ozone gas and water mixing device and ozone generator provided with mixing device |
| CN206233888U (en) * | 2016-11-30 | 2017-06-09 | 安塞刚毅油田技术服务有限公司 | It is a kind of with foamed acid can quick de-plugging well-washing truck |
| CN109679682A (en) * | 2017-10-19 | 2019-04-26 | 中国石油化工股份有限公司 | A kind of molten hydrogen storage equipment and molten hydrogen methods |
| CN108635702A (en) * | 2018-05-16 | 2018-10-12 | 东华大学 | Foam solution mixing generating means in a kind of compressed air foam fire-extinguishing system |
| CN109252838A (en) * | 2018-09-26 | 2019-01-22 | 西南石油大学 | A kind of U-shaped foam ring generating device and method |
| CN111229109A (en) * | 2020-03-19 | 2020-06-05 | 中煤科工集团重庆研究院有限公司 | Multiphase power flow field composite foam mixing generator |
| CN211836923U (en) * | 2020-03-19 | 2020-11-03 | 中煤科工集团重庆研究院有限公司 | Fluid dynamics integral type foam dust device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546499A (en) * | 2020-12-31 | 2021-03-26 | 泰州市玉林动力机械有限公司 | Movable compressed air foam fire extinguishing equipment |
| CN112546499B (en) * | 2020-12-31 | 2023-11-10 | 泰州市玉林动力机械有限公司 | Portable compressed air foam equipment of putting out a fire |
| CN114272703A (en) * | 2021-11-10 | 2022-04-05 | 深圳市永鑫泰精密机械有限公司 | Foam dust remover |
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