CN103527164A - Water-gas separating and treating device - Google Patents
Water-gas separating and treating device Download PDFInfo
- Publication number
- CN103527164A CN103527164A CN201310547883.3A CN201310547883A CN103527164A CN 103527164 A CN103527164 A CN 103527164A CN 201310547883 A CN201310547883 A CN 201310547883A CN 103527164 A CN103527164 A CN 103527164A
- Authority
- CN
- China
- Prior art keywords
- water
- gas
- container
- negative pressure
- separating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000000605 extraction Methods 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims description 20
- 238000005086 pumping Methods 0.000 claims description 20
- 238000009530 blood pressure measurement Methods 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 9
- 241001672694 Citrus reticulata Species 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention provides a water-gas separating and treating device which comprises a closed cylindrical container. A drainage pipe used for inputting water-gas mixtures into the container and a gas outlet pipe used for discharging gas separated from the water-gas mixtures are arranged on the upper surface of the container. The inflowing end of the drainage pipe is connected with the positive pressure side of an extraction pump station, and the outflowing end of the drainage pipe is arranged at the position, close to the lower surface of the container, in the container. The gas inlet end of the gas outlet pipe is arranged on the upper surface of the container, and the gas outlet end of the gas outlet pipe is connected with the negative pressure side of the extraction pump station. A water outlet is further formed in the side wall of the container. According to the water-gas separating and treating device, water is used for submerging the low input end of the water-gas separating and treating device to achieve the water sealing effect. On one hand, water and gas are guided in through the function of negative pressure drainage, and the water and the gas are separated through the water sealing effect. On the other hand, the gas is drawn into an extraction system through the negative pressure drainage, and water-gas separation is effectively achieved.
Description
Technical field
The present invention relates to extraction pumping plant malleation and be sidelong water technology, relate in particular to a kind of aqueous vapor separating and treating apparatus.
Background technology
The explosion-proof backfire controller of mine extraction pumping plant malleation side, because aqueous vapor separation is thorough not, easily causes the load of pump to increase, suppresses the potential safety hazards such as pump, and to mine gas extraction system, management brings serious adverse effect.Simultaneously part device in Gas brings gas to gather in a large number on water surface top along with water enters in hot-tub, for the safety management of pumping plant brings major safety risks and harm, and by artificial interruption, is discharged water and can not be removed a hidden danger in time in prior art.
Summary of the invention
For the defect of prior art, the invention provides a kind of aqueous vapor separating and treating apparatus, effectively realize aqueous vapor separation.
Aqueous vapor separating and treating apparatus provided by the invention, comprising:
Airtight cylindrical container;
On the upper surface of described container, be provided with for the drainage tube to described internal tank input air-water mixture, and for discharging the escape pipe of the gas of separating from described air-water mixture; The end that becomes a mandarin of described drainage tube is connected with extraction pumping plant malleation side, goes out the position that stream end is arranged on described internal tank and closes on described container lower surface; The air inlet end of described escape pipe is arranged on described upper surface, and outlet side is connected with described extraction pumping plant suction side;
On the sidewall of described container, be also provided with delivery port.
In the above-mentioned aqueous vapor separating and treating apparatus providing, preferably, also comprise:
On described drainage tube, be provided with for controlling the first by-pass valve control of gas-vapor mix logistics capacity;
On described escape pipe, be provided with for controlling the second by-pass valve control of gas flow;
On described delivery port, be provided with for controlling the 3rd by-pass valve control of discharge.
In the above-mentioned aqueous vapor separating and treating apparatus providing, preferably, also comprise:
Blow-down pipe, is communicated with described escape pipe; On described blow-down pipe, be also provided with and join sky valve.
In the above-mentioned aqueous vapor separating and treating apparatus providing, preferably, described the 3rd by-pass valve control is inlet non return check valve.
In the above-mentioned aqueous vapor separating and treating apparatus providing, preferably, also comprise:
The first negative pressure measurement mechanism, is arranged on described internal tank and closes on the position of described upper surface;
The second negative pressure measurement mechanism, is arranged on described internal tank and closes on the position of described soffit;
For observing the U-shaped differential manometer of described internal tank water level, be arranged on described external container, and two ends connect respectively described the first negative pressure measurement mechanism and described the second negative pressure measurement mechanism.
In the above-mentioned aqueous vapor separating and treating apparatus providing, preferably, on the soffit of described container, be also provided with slag notch, on described slag notch, be provided with slag notch valve.
In the above-mentioned aqueous vapor separating and treating apparatus providing, preferably, the bottom of described container is also provided with bracket.
Aqueous vapor separating and treating apparatus provided by the invention, utilize water that the low inlet side of aqueous vapor separating and treating apparatus is flooded and reached water seal effect, utilize on the one hand the effect of negative pressure drainage that water, device in Gas are introduced, and by water seal effect, water, device in Gas is separated, on the other hand by negative pressure drainage by device in Gas suction extraction system.This apparatus structure is simple to operation, cost is low, can effectively solve the malleation side gas of extraction pumping plant or other equipment, the gas that water separation does not thoroughly bring, the potential safety hazard of pump, not only greatly alleviate the labour intensity manually discharging water, also ensure safe, the efficiently operation of extraction pumping plant.
Accompanying drawing explanation
Fig. 1 is aqueous vapor separating and treating apparatus structural representation provided by the invention.
The specific embodiment
The present invention is directed in prior art extraction pumping plant malleation side aqueous vapor separation defect not thoroughly, a solution is provided.Fig. 1 is aqueous vapor separating and treating apparatus structural representation provided by the invention, and as Fig. 1 trival matters, this aqueous vapor separating and treating apparatus comprises container 1, for collecting the moisture of separating.This container 1 is the body element of aqueous vapor separating and treating apparatus, is specially the major diameter closed container of a tubular, preferably can adopt container made of iron.On the upper surface of container 1, be provided with drainage tube 2 and escape pipe 3, wherein the end 21 that becomes a mandarin of drainage tube 2 is connected with extraction pumping plant malleation side, goes out the position that stream end 22 is arranged on container 1 inside and closes on container 1 soffit.Drainage tube 2 is for inputting air-water mixture to container 1 inside, and described air-water mixture is the object that will carry out aqueous vapor separation.The air inlet end 31 of escape pipe 3 is arranged on upper surface, and air inlet end 31 is formed on upper surface and is communicated with container 1, and outlet side 32 is connected with extraction pumping plant suction side.Escape pipe 3 for example, for discharging the gas of separating from air-water mixture, gas.Preferably, drainage tube 2 and escape pipe 3 can adopt 2 inch flexible pipes.
This aqueous vapor separating and treating apparatus kind also comprises the delivery port 11 being arranged on container 1 sidewall, for getting rid of collected moisture content.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, adopted the design of " low in and high out ", described " low in and high out " refers to the lower (closing on the position of container 1 soffit) that stream end 22 is arranged on container 1 inside that of drainage tube 2, the outlet side 32 of escape pipe 3 is arranged on the eminence (being on the upper surface of container 1) of container 1, so just, form air-water mixture and entered internal tank from " lower " of container, the moisture content of separating is deposited in the inside of container, and the gas of separating is discharged by " eminence " of container.F in Fig. 1 has identified airflow direction.And because the end 21 that becomes a mandarin of drainage tube 2 is connected with extraction pumping plant malleation side, the outlet side 32 of escape pipe 3 is connected with extraction pumping plant suction side, just in the inside of container 1, formed the effect of negative pressure drainage, by negative pressure drainage, air-water mixture is introduced to aqueous vapor separating and treating apparatus, carry out again gas, water separation, be conducive to carry out the discharge of aqueous vapor separation and gas.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, by malleation, negative pressure, air-water mixture is incorporated in aqueous vapor separating and treating apparatus, and the effect that water seal forms makes gas, water separation, water is flowed out by delivery port, and gas enters extraction suction side by exceeding end.Utilize water seal by the low inlet side sealing for malleation, avoid malleation and negative pressure directly to link up.
Aqueous vapor separating and treating apparatus provided by the invention, simple in structure easy to operate, with low cost, can effectively solve the malleation side gas of extraction pumping plant or other equipment, the gas that water separation does not thoroughly bring, the potential safety hazard of pump, not only greatly alleviated the labour intensity manually discharging water, also ensured safe, the efficiently operation of extraction pumping plant, for mine gas, administered and escort.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, the caliber of container 1 preferably will be much larger than the caliber of drainage tube 2 and escape pipe 3, reduce to greatest extent the negative pressure in hydrolock aqueous vapor separating and treating apparatus, reduce the suction of negative-pressure drainage tube to water in it, realize water natural sedimentation, gas and rise and gush out, thereby be more conducive to water, by being positioned at the delivery port of middle-end, flow out.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, on drainage tube 2, be provided with for controlling the first by-pass valve control 23 of gas-vapor mix logistics capacity.On escape pipe 3, be provided with for controlling the second by-pass valve control 33 of gas flow.On delivery port 11, be provided with for controlling the 3rd by-pass valve control 111 of discharge, preferably adopt inlet non return check valve.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, also comprise blow-down pipe 4, one end is communicated with escape pipe 3, the other end and air communication.On blow-down pipe 4, be also provided with and join sky valve 41.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, be also provided with the design directly perceived of limnimeter and negative pressure, be specifically as follows the first negative pressure measurement mechanism 5, the second negative pressure measurement mechanism 6 and U-shaped differential manometer 7.Wherein, the first negative pressure measurement mechanism 5, the second negative pressure measurement mechanism 6 are specifically as follows survey mouth, survey mouth valve etc., for detection of the negative pressure of internal tank such as copper.The first negative pressure measurement mechanism 5 is arranged on container 1 inside and closes on the position of upper surface, and the second negative pressure measurement mechanism 6 is arranged on container 1 inside and closes on the position of soffit.U-shaped differential manometer 7 is arranged on the outside of container 1, and two ends connect respectively the first negative pressure measurement mechanism 5 and the second negative pressure measurement mechanism 6, for observing container 1 water level inside.The design directly perceived of the limnimeter described in the embodiment of the present invention and negative pressure will be installed copper in aqueous vapor separating and treating apparatus top, bottom exactly and be surveyed mouth valve, again it is linked together by U-shaped differential manometer, utilize law of connected vessels can observe intuitively water-level gauge and the negative pressure of aqueous vapor separating and treating apparatus.
In above-mentioned aqueous vapor separating and treating apparatus embodiment, on the soffit of container 1, be also provided with slag notch 12, on slag notch 12, be provided with slag notch valve 121.Further, the bottom of container 1 is also provided with bracket 8.
Below introduce the processing procedure of utilizing aqueous vapor separating and treating apparatus to carry out aqueous vapor separation.
The air-flow (being air-water mixture) of extraction pumping plant malleation side enters by the end 21 that becomes a mandarin of drainage tube 2, flows into the inside of container 1 by going out stream end 22.The inside of container 1 can pre-stored a certain amount of water W, goes out stream end 22 and should be arranged in water W, and air-water mixture enters in the water seal being formed by water W, makes to bring about the desired sensation, water is separated, and water is flowed out by the inlet non return check valve 33 of delivery port 11.The air inlet end 31 of escape pipe 3 is separated and entered to gas for example gas from water, by outlet side 32, is discharged to extraction pumping plant suction side.Meanwhile, water level, negative pressure that the limnimeter forming by the first negative pressure measurement mechanism 5, the second negative pressure measurement mechanism 6 and U-shaped differential manometer 7 and negative pressure can be checked aqueous vapor separating and treating apparatus intuitively.
Aqueous vapor separating and treating apparatus provided by the invention, utilize water that the low inlet side of aqueous vapor separating and treating apparatus is flooded and reached water seal effect, utilize on the one hand the effect of negative pressure drainage that water, device in Gas are introduced, and by water seal effect, water, device in Gas is separated, on the other hand by negative pressure drainage by device in Gas suction extraction system.This apparatus structure is simple to operation, cost is low, can effectively solve the malleation side gas of extraction pumping plant or other equipment, the gas that water separation does not thoroughly bring, the potential safety hazard of pump, not only greatly alleviate the labour intensity manually discharging water, also ensure safe, the efficiently operation of extraction pumping plant.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an aqueous vapor separating and treating apparatus, is characterized in that, comprising:
Airtight cylindrical container;
On the upper surface of described container, be provided with for the drainage tube to described internal tank input air-water mixture, and for discharging the escape pipe of the gas of separating from described air-water mixture; The end that becomes a mandarin of described drainage tube is connected with extraction pumping plant malleation side, goes out the position that stream end is arranged on described internal tank and closes on described container lower surface; The air inlet end of described escape pipe is arranged on described upper surface, and outlet side is connected with described extraction pumping plant suction side;
On the sidewall of described container, be also provided with delivery port.
2. device according to claim 1, is characterized in that, also comprises:
On described drainage tube, be provided with for controlling the first by-pass valve control of gas-vapor mix logistics capacity;
On described escape pipe, be provided with for controlling the second by-pass valve control of gas flow;
On described delivery port, be provided with for controlling the 3rd by-pass valve control of discharge.
3. device according to claim 1 and 2, is characterized in that, also comprises:
Blow-down pipe, is communicated with described escape pipe; On described blow-down pipe, be also provided with and join sky valve.
4. device according to claim 1 and 2, is characterized in that, described the 3rd by-pass valve control is inlet non return check valve.
5. device according to claim 1 and 2, is characterized in that, also comprises:
The first negative pressure measurement mechanism, is arranged on described internal tank and closes on the position of described upper surface;
The second negative pressure measurement mechanism, is arranged on described internal tank and closes on the position of described soffit;
For observing the U-shaped differential manometer of described internal tank water level, be arranged on described external container, and two ends connect respectively described the first negative pressure measurement mechanism and described the second negative pressure measurement mechanism.
6. device according to claim 1 and 2, is characterized in that, is also provided with slag notch on the soffit of described container, is provided with slag notch valve on described slag notch.
7. device according to claim 1 and 2, is characterized in that, the bottom of described container is also provided with bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547883.3A CN103527164B (en) | 2013-11-06 | 2013-11-06 | Aqueous vapor separating and treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547883.3A CN103527164B (en) | 2013-11-06 | 2013-11-06 | Aqueous vapor separating and treating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527164A true CN103527164A (en) | 2014-01-22 |
| CN103527164B CN103527164B (en) | 2016-03-16 |
Family
ID=49929472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310547883.3A Active CN103527164B (en) | 2013-11-06 | 2013-11-06 | Aqueous vapor separating and treating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103527164B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453999A (en) * | 2014-10-21 | 2015-03-25 | 中铁建大桥工程局集团第五工程有限公司 | Water and gas discharging system for construction tunnel |
| CN107023520A (en) * | 2016-01-29 | 2017-08-08 | 北京水创新能科技有限责任公司 | A kind of energy filtering device and energy collecting device |
| CN107023522A (en) * | 2016-01-29 | 2017-08-08 | 北京水创新能科技有限责任公司 | A kind of gas collector and method for discharging pollution |
| CN109294652A (en) * | 2018-11-30 | 2019-02-01 | 开滦能源化工股份有限公司吕家坨矿业分公司 | A kind of gas pump drainage system air water automatic separating apparatus |
| CN110044676A (en) * | 2019-04-24 | 2019-07-23 | 上海汉克威自动化科技有限公司 | One kind being used for acrylonitrile installation oxygen analyzer sample gas pretreatment system and method |
| CN117489306A (en) * | 2023-11-08 | 2024-02-02 | 淮南矿业(集团)有限责任公司 | A device and method for drainage and gas production of coalbed methane horizontal wells in coal mine areas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004053330A2 (en) * | 2002-12-11 | 2004-06-24 | Hydrotreat, Inc. | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive |
| CN201578939U (en) * | 2009-12-18 | 2010-09-15 | 淮南矿业(集团)有限责任公司 | Gas-water separating device |
| CN102337921A (en) * | 2011-09-21 | 2012-02-01 | 山东新矿赵官能源有限责任公司 | Gas-water separation, water discharging and slag discharge integrated device for drill hole in gas extraction crossheading drill site |
| CN202467893U (en) * | 2011-09-14 | 2012-10-03 | 成都晟鑫机电设备有限公司 | Gas, water, slag separation integrated apparatus |
| CN103277131A (en) * | 2013-05-28 | 2013-09-04 | 神华集团有限责任公司 | Gas separating device and gas separating method |
| CN203559894U (en) * | 2013-11-06 | 2014-04-23 | 淮南矿业(集团)有限责任公司 | Water-gas separation treatment device |
-
2013
- 2013-11-06 CN CN201310547883.3A patent/CN103527164B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004053330A2 (en) * | 2002-12-11 | 2004-06-24 | Hydrotreat, Inc. | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive |
| CN201578939U (en) * | 2009-12-18 | 2010-09-15 | 淮南矿业(集团)有限责任公司 | Gas-water separating device |
| CN202467893U (en) * | 2011-09-14 | 2012-10-03 | 成都晟鑫机电设备有限公司 | Gas, water, slag separation integrated apparatus |
| CN102337921A (en) * | 2011-09-21 | 2012-02-01 | 山东新矿赵官能源有限责任公司 | Gas-water separation, water discharging and slag discharge integrated device for drill hole in gas extraction crossheading drill site |
| CN103277131A (en) * | 2013-05-28 | 2013-09-04 | 神华集团有限责任公司 | Gas separating device and gas separating method |
| CN203559894U (en) * | 2013-11-06 | 2014-04-23 | 淮南矿业(集团)有限责任公司 | Water-gas separation treatment device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453999A (en) * | 2014-10-21 | 2015-03-25 | 中铁建大桥工程局集团第五工程有限公司 | Water and gas discharging system for construction tunnel |
| CN107023520A (en) * | 2016-01-29 | 2017-08-08 | 北京水创新能科技有限责任公司 | A kind of energy filtering device and energy collecting device |
| CN107023522A (en) * | 2016-01-29 | 2017-08-08 | 北京水创新能科技有限责任公司 | A kind of gas collector and method for discharging pollution |
| CN109294652A (en) * | 2018-11-30 | 2019-02-01 | 开滦能源化工股份有限公司吕家坨矿业分公司 | A kind of gas pump drainage system air water automatic separating apparatus |
| CN110044676A (en) * | 2019-04-24 | 2019-07-23 | 上海汉克威自动化科技有限公司 | One kind being used for acrylonitrile installation oxygen analyzer sample gas pretreatment system and method |
| CN110044676B (en) * | 2019-04-24 | 2022-01-14 | 上海汉克威自动化科技有限公司 | Sample gas pretreatment system and method for acrylonitrile device oxygen analyzer |
| CN117489306A (en) * | 2023-11-08 | 2024-02-02 | 淮南矿业(集团)有限责任公司 | A device and method for drainage and gas production of coalbed methane horizontal wells in coal mine areas |
| WO2025097668A1 (en) * | 2023-11-08 | 2025-05-15 | 淮南矿业(集团)有限责任公司 | Drainage and gas production device and method for horizontal well for coalbed methane of coal mine area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103527164B (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103527164A (en) | Water-gas separating and treating device | |
| CN203727650U (en) | Fuel supply system of unmanned plane | |
| CN202900304U (en) | Self-balance type water seal anti-explosion device | |
| CN203559894U (en) | Water-gas separation treatment device | |
| CN105570685B (en) | A kind of recovery system and technique of gas gathering station emptying natural gas | |
| CN104763878A (en) | Water seal fire arresting and explosion venting device | |
| CN204841208U (en) | Vapour and liquid separator and gaseous liquid seal device that has gas -liquid separation function | |
| CN103527245B (en) | Drainage device used for gas pumping and releasing pipeline | |
| CN203394571U (en) | Pneumatic negative-pressure automatic residue discharge and water drain machine | |
| CN105065908A (en) | Sulfur-contained natural gas collection integrated device | |
| CN202266297U (en) | Box-type negative-pressure automatic water drainer | |
| CN204364951U (en) | A kind of oil-water automatic segregator | |
| CN208218380U (en) | Crude oil filling device and crude oil delivery system | |
| CN204512953U (en) | A kind of flash distillation separatory integrated device | |
| CN203603971U (en) | Drainage device used for gas drainage pipelines | |
| CN204723634U (en) | A kind of spark arrester | |
| CN204062075U (en) | A kind of Novel vent valve | |
| CN201748163U (en) | Online detecting and recovery processing equipment for condensate in low-pressure condensable gas underground pipelines | |
| CN207893428U (en) | A kind of coal gas drainer automatic gas leakage preventing device | |
| CN104196711A (en) | Device for solving problem that metering pump cannot be used normally due to fact that liquid contains gas or is prone to generating gas | |
| CN203724929U (en) | Filter and wet type tempering tank | |
| CN205516653U (en) | Steam and water separator | |
| CN204261510U (en) | A kind of micro-hole jet formula sleeve pipe dust arrester | |
| CN205023897U (en) | Automatic gasification floats and dissolves gas pitcher | |
| CN204113744U (en) | A kind of venting gas appliance for centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |