CN201924890U - Novel coalbed methane ground extraction device - Google Patents
Novel coalbed methane ground extraction device Download PDFInfo
- Publication number
- CN201924890U CN201924890U CN2010206493495U CN201020649349U CN201924890U CN 201924890 U CN201924890 U CN 201924890U CN 2010206493495 U CN2010206493495 U CN 2010206493495U CN 201020649349 U CN201020649349 U CN 201020649349U CN 201924890 U CN201924890 U CN 201924890U
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- gas
- coal bed
- oil
- bed gas
- air compressor
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- Expired - Fee Related
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Abstract
The utility model discloses a novel coalbed methane ground extraction device, wherein a screw air compressor unit is used as a drive unit for extracting the coalbed methane, after the screw air compressor unit works, suction force is generated at a coalbed methane inlet of a system, so the coalbed methane is sucked from the gas inlet of the device, is guided into a gas-liquid separator and an oil-gas separator, and is finally discharged from the gas outlet to user pipe networks. The gas-liquid separator is arranged at a gas inlet end to preliminarily separate the gas extracted from a coalbed methane well, and the liquid (water) is discharged and separated. The oil-gas separator is arranged at a gas outlet end to separate the oil gas which is mixed in the coalbed methane and is carried by the screw air compressor unit, and accordingly, the dry and pure coalbed methane is obtained. A loading/unloading valve is connected with a pneumatic valve to extract the coalbed methane and discharge the gas in the pipeline of the device, and accordingly, the pure coalbed methane is obtained.
Description
Technical field
The utility model relates to a kind of novel coal bed gas ground extraction device, especially a kind of device that adopts screw compressor extraction subterranean coal gas.
Background technology
When coal bed gas well is produced,, reduce coal seam pressure, the methane gas of adsorbing in the coal seam is discharged by the artesian water in the pump drainage coal seam.To the coal seam step-down of drawing water is the main method that present coal bed gas is produced.Therefore, separate particularly important to the liquid (water) that contains in the coal bed gas.After the screw-rod air compressor work, at the coal bed gas air inlet port generation suction of system, coal bed gas sucks gas/liquid separation by air inlet port and separates.
Because use screw-rod air compressor that coal bed gas well is carried out extraction, screw-rod air compressor is in Compressed Gas, a large amount of oil is sprayed into the between cog volume of compressor.These oil and compressed gas mixtures after the identical compression process of experience, are discharged into after the cooling in user's pipe network, can not separate the impurity in the coal bed gas fully, play the effect that purifies coal bed gas.
The utility model content
Technical problem to be solved in the utility model is, overcome problems of the prior art, by gs-oil separator lubrication oil is separated from gas effectively, reduce the oil content in the unit exhaust and recycle lubrication oil in the unit, provide needed in a kind of ground coal bed gas extraction engineering can extraction, filter a kind of novel coal bed gas ground extraction device that pure coal bed gas is provided.
For the described problem of technical solution background know-why of the present utility model is such:
A kind of novel coal bed gas ground extraction device, comprise to be used for the screw-rod air compressor group of drive train work, the screw-rod air compressor group connects a gas-liquid separator by pipeline, has a coal bed gas air inlet port on the gas-liquid separator, it is characterized in that: the screw-rod air compressor group also connects a gs-oil separator by pipeline, and gs-oil separator connects a coal bed gas gas outlet.
Gas-liquid separator upper end has a mesh mist eliminator that is used for removing coal bed gas moisture.The gas-liquid separator bottom is provided with vent valves, regularly discharges the liquid of being deposited.
Gs-oil separator also connects a load/unload valve by pipeline, the load/unload valve connects a pneumatic operated valve that is arranged between mesh mist eliminator and the screw-rod air compressor group pipeline, discharge the gas in this device pipeline when coal bed gas is opened extraction, thereby make outlet obtain pure coal bed gas.
Affiliated gs-oil separator has the return line that is connected with the screw-rod air compressor group, and return line is provided with liquid filter and oil return cooler.Described screw-rod air compressor group need not external grease-box, and lubrication oil, is recycled to unit and is lubricated after the oil cooler cooling by gs-oil separator, liquid filter.
Described gs-oil separator top connects minimum pressure valve and aftercooler, discharges dry, pure coal bed gas, and the gs-oil separator bottom is provided with the compressor oil floss hole.
Described load/unload valve, during loading, the control pneumatic operated valve is opened, beginning extraction coal bed gas; During unloading, the control pneumatic operated valve cuts out, air in the discharger pipeline.
Beneficial effect, a kind of novel coal bed gas ground extraction method of the present utility model and device, after the screw-rod air compressor work of employing, the coal bed gas air inlet port generation suction in system, coal bed gas sucks gas/liquid separation by air inlet port and carries out initial gross separation, discharges the liquid (water) that separates.The outlet side is provided with gs-oil separator, in order to reduce the oil content and the lubrication oil that recycles in the unit in the unit exhaust, must utilize gs-oil separator that lubrication oil is separated from gas effectively.Carry out oil, gas separation in gs-oil separator, the pure coal bed gas after the separation is discharged in user's pipe network, and the oil that separates reenters after supercooling and forms oil circulation in the compressor.And the less amount of lubrication oil that can not separate discharging consumes.Gs-oil separator is one of visual plant of a kind of novel coal bed gas ground extraction method of the utility model and device.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the system principle schematic diagram of a kind of novel coal bed gas ground extraction device described in the utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1
A kind of novel coal bed gas ground extraction device comprises that screw-rod air compressor group 2 drives and drive its work by motor 21 to be used for the screw-rod air compressor group 2 of drive train work.Screw-rod air compressor group 2 connects gas-liquid separator 1 by pipeline, has a coal bed gas air inlet port on the gas-liquid separator 1, and screw-rod air compressor group 2 also also connects a gs-oil separator 3 by pipeline, and gs-oil separator 3 connects a coal bed gas gas outlet.
Screw-rod air compressor group 2 is driver elements of this device extraction coal bed gas, after its work, coal bed gas air inlet port in system produces suction, coal bed gas is sucked from this device air inlet port, feed gas-liquid separator, gs-oil separator, be discharged into user's pipe network at last from the gas outlet.
Inlet end is provided with gas-liquid separator 1, and the gas that coal bed gas well is extracted out carries out initial gross separation, discharges the liquid (as water) that separates.
The outlet side is provided with gs-oil separator 3, the oil gas that mixes in the coal bed gas is separated with the oil gas that carries by screw-rod air compressor, thereby obtain discharging drying, pure coal bed gas.
Gas-liquid separator 1 upper end has a mesh mist eliminator 11 that is used for removing coal bed gas moisture.The gas-liquid separator bottom is provided with vent valves 12, regularly discharges the liquid of being deposited.
Gs-oil separator 3 also connects by pipeline one load/unload valve 4, load/unload valve 4 connects a pneumatic operated valve 5 that is arranged between mesh mist eliminator 1 and screw-rod air compressor group 2 pipelines, discharge the gas in this device pipeline when coal bed gas is opened extraction, thereby make outlet obtain pure coal bed gas.
Affiliated gs-oil separator 3 has the return line that is connected with screw-rod air compressor group 2, and return line is provided with liquid filter 31 and oil return cooler 32.Described screw-rod air compressor group 2 need not external grease-box, and lubrication oil, is recycled to unit and is lubricated after oil cooler 32 coolings by gs-oil separator 3, liquid filter 31.
Described gs-oil separator 3 tops connect minimum pressure valve 33 and aftercooler 34, discharge dry, pure coal bed gas, and the bottom is provided with compressor oil floss hole 35.
Described load/unload valve 4, during loading, control pneumatic operated valve 5 is opened, beginning extraction coal bed gas; During unloading, control pneumatic operated valve 5 cuts out, air in the discharger pipeline.
Screw-rod air compressor group 2, it is the driver element of this device extraction coal bed gas, after its work, coal bed gas air inlet port in system produces suction, coal bed gas sucks gas-liquid separator by air inlet port and carries out initial gross separation, on knockout drum top mesh mist eliminator 11 is installed, and is that the steam (droplet) that is used for carrying secretly in the coal bed gas is removed, reduce the impurity in the coal bed gas, purify coal bed gas.Mesh mist eliminator generally is woven into silk screen by φ 0.10～0.28mm wire or engineering plastics (as PP, PTFE, FEP, PVDF etc.) by special longitude and latitude mode, the silk screen of braiding is pressed into the ripple of certain angle again.
Screw-rod air compressor 2 is in Compressed Gas, and a large amount of oil is sprayed into the between cog volume of compressor.These oil and compressed gas mixtures, after the identical compression process of experience, be discharged in the gs-oil separator of device, in gs-oil separator, carry out oil, gas separation, pure coal bed gas after the separation is discharged in user's pipe network, the oil that separates is got rid of impurity through liquid filter, reaches 100 ℃ of thermostat by pass valve 36 then, directly enters less than 100 ℃ oil and forms oil circulation in the screw-rod air compressor; Form oil circulation greater than 100 ℃ oil in the screw-rod air compressor by entering after the oil cooler cooling.And the less amount of lubrication oil that can not separate discharging consumes.Gs-oil separator is one of visual plant of a kind of novel coal bed gas ground extraction method of the utility model and device.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the manual just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. novel coal bed gas ground extraction device, comprise to be used for the screw-rod air compressor group of drive train work, the screw-rod air compressor group connects a gas-liquid separator by pipeline, has a coal bed gas air inlet port on the gas-liquid separator, it is characterized in that: the screw-rod air compressor group also connects a gs-oil separator by pipeline, and gs-oil separator connects a coal bed gas gas outlet.
2. a kind of novel coal bed gas ground extraction device according to claim 1 is characterized in that, gas-liquid separator upper end has a mesh mist eliminator that is used for removing coal bed gas moisture.
3. a kind of novel coal bed gas ground extraction device according to claim 1, it is characterized in that, gs-oil separator also connects a load/unload valve by pipeline, and the load/unload valve connects a pneumatic operated valve that is arranged between mesh mist eliminator and the screw-rod air compressor group pipeline.
4. a kind of novel coal bed gas ground extraction device according to claim 1 is characterized in that affiliated gs-oil separator has the return line that is connected with the screw-rod air compressor group, and return line is provided with liquid filter and oil return cooler.
5. a kind of novel coal bed gas ground extraction device according to claim 1 is characterized in that, described gs-oil separator top connects minimum pressure valve and aftercooler, and the gs-oil separator bottom is provided with the compressor oil floss hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206493495U CN201924890U (en) | 2010-12-09 | 2010-12-09 | Novel coalbed methane ground extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206493495U CN201924890U (en) | 2010-12-09 | 2010-12-09 | Novel coalbed methane ground extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201924890U true CN201924890U (en) | 2011-08-10 |
Family
ID=44428748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206493495U Expired - Fee Related CN201924890U (en) | 2010-12-09 | 2010-12-09 | Novel coalbed methane ground extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201924890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295269A (en) * | 2013-07-19 | 2015-01-21 | 中国石油天然气股份有限公司 | Integral well group boosting integration device |
| CN106869866A (en) * | 2017-03-17 | 2017-06-20 | 郑州格瑞克石油设备有限公司 | A kind of coal bed methane exploring method |
| CN109185703A (en) * | 2018-08-16 | 2019-01-11 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine ground adopts well coal bed gas gathering and transporting device |
-
2010
- 2010-12-09 CN CN2010206493495U patent/CN201924890U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295269A (en) * | 2013-07-19 | 2015-01-21 | 中国石油天然气股份有限公司 | Integral well group boosting integration device |
| CN106869866A (en) * | 2017-03-17 | 2017-06-20 | 郑州格瑞克石油设备有限公司 | A kind of coal bed methane exploring method |
| CN109185703A (en) * | 2018-08-16 | 2019-01-11 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine ground adopts well coal bed gas gathering and transporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20161209 |