CN201546957U - Screw type natural gas compressor - Google Patents
Screw type natural gas compressor Download PDFInfo
- Publication number
- CN201546957U CN201546957U CN2009202426003U CN200920242600U CN201546957U CN 201546957 U CN201546957 U CN 201546957U CN 2009202426003 U CN2009202426003 U CN 2009202426003U CN 200920242600 U CN200920242600 U CN 200920242600U CN 201546957 U CN201546957 U CN 201546957U
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- natural gas
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- gas compressor
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Abstract
The utility model discloses a screw type natural gas compressor, which belongs to the technical field of compressor fabrication. The screw type natural gas compressor comprises a gas inlet pipe 1, an inlet gas separator 2, a main unit gas inlet pipe 3, a main unit 4, a main unit exhaust pipe 5, a cooler 6, an exhaust separator 8, a filter trap 10, a drier 11, a secondary filter trap 12 and an exhaust pipe 13 which are sequentially connected, and a driving device 14 and an electrical control system. The components are mounted on a skid body 15, the main unit 4 is a double-screw compressor, a liquid level detection controller 18 is mounted on the gas inlet separator 2, a pressure transmitter 17 and a temperature transmitter 16 are mounted on the main unit exhaust pipe 5 and electrically connected with the electrical control system, and the driving device 14 is electrically connected with the electrical control system. The screw type natural gas compressor has the advantages of high compression efficiency, low compression ratio, energy saving, low noise, small vibration, reliable operation, flexible control, simple installation and maintenance, low maintenance cost, small occupied area, convenient transport and move of a whole skid frame structure, and is suitable for compressors for high pressure compression for various natural gases.
Description
Affiliated technical field
The utility model relates to a kind of compressor, and especially natural gas compressor belongs to compression mechanism technology for making field.
Background technique
At present, traditional natural pneumatolytic sled compressor all adopts piston, connecting rod, curved bar form to carry out transmission usually, rock gas sucks in the cylinder from Aspirating valves, the motion of piston is again with outside the natural pressure contractive pressure exhaust valve, motion and so forth, piston constantly extrudes rock gas, produces the pressure and the air displacement that need.There is following shortcoming in this natural gas compressor: one. and when the Piston Compression rock gas, when cylinder head was arrived in piston motion, its cylinder head all can have certain distance, leaves certain clearance volume after rock gas is compressed like this, influences its compression efficiency; Two. to this process of Piston Compression, each position all is subjected to radial force and axial force in various degree to transmission system from belt pulley, crankshaft-link rod, and what this part power was done is idle work, and loss of energy is so its volume specific energy is higher; Three. the every compression round trip of piston type natural gas compressor, load reduces to negative value from positive peak, and whole driving mechanism is impacted, so noise and vibration become inevitable defective; Four. the loss of component wear and row's Aspirating valves is bigger, relatively the maintenance cost height; Five. the piston type natural gas compressor is also bigger by corresponding impact force that its bigger capacity brought and vibration etc., so all firm basis need be set during the complete machine operation.
Single-screw compressor is the Frenchman in the seventies invention in last century, and it is compared with reciprocating-piston compressor, has simple in structurely, and running is reliable, and in light weight, the life-span is long, and noise is low, and characteristics such as manufacturing saving of labor are used widely at present.But this technology also exposes its deficiency simultaneously, and is not high enough such as air pressure, and Fraquent start influenced the working life of equipment etc. when air container was too small.
In addition, the problem of energy scarcity is on the rise at present, and effectively utilizing natural gas energy resource also is the method for alleviating energy scarcity.On the other hand, worldwide environment constantly worsens, and people more pay close attention to environmental protection, and environmental protection is proposed higher requirement, and the clean energy resource effect of rock gas more adapts to this environmental requirement.For these reasons, be necessary for the high pressure compressed rock gas a kind of better screw compressor is provided.
The model utility content
In order to overcome the above-mentioned deficiency of existing natural gas compressor, the utility model provides a kind of screw type natural gas compressor of prizing shelf structure.
The technological scheme that its technical problem that solves the utility model adopts is: the screw type natural gas compressor, comprise the suction tude 1, air inlet separator 2, main frame suction tude 3, main frame 4, main exhaust pipe 5, cooler 6, discharge air separator 8, filtration STEAM TRAP 10, exsiccator 11, the cascade filtration STEAM TRAP 12 that connect successively, to outlet pipe 13; And drive unit 14 and electric control system, each part mentioned above is installed on the prying body 15, main frame 4 is a double-screw compressor, has oil strainer, oil separator, air filter, pressure release valve, air inlet easing valve, minimum pressure valve and expansion valve, and is provided with built-in channel; Liquid level is housed on the air inlet separator 2 detects controller 18; The lubricant oil cooling circuit of cooler 6 is provided with thermostat valve 25; Pressure transmitter 17 and temperature transmitter 16 are installed on the main exhaust pipe 5, and the two is electrically connected with electric control system; Drive unit 14 is electrically connected with electric control system.
Gas source, is separated moisture content wherein in air inlet separator 2 by suction tude 1, and when isolated moisture content liquid level reached the setting height of liquid level detection controller 18, water liquid was discharged from the bottom pipeline of separator 2, to total drain pipe 22; The natural gas via main frame suction tude 3 of removing moisture content enters main frame 4, and main frame air inlet easing valve is controlled air inflow, and non-return function is arranged, and rock gas is compressed in main frame 4.Natural gas via main exhaust pipe 5 after the compression enters in the cooler 6, enters in the discharge air separator 8 after cooling; The water liquid of separating out in the cooling procedure is discharged from the bottom pipeline of discharge air separator 8, to total drain pipe 22; The compressed natural gas of cooling STEAM TRAP 10 is after filtration removed moisture content once more, with working efficiency and the working life that guarantees follow-up exsiccator 11, drying device 11,12 degree of depth oil removings of cascade filtration STEAM TRAP, dewater and drying after, to outlet pipe 13 external air feed or be filled in the gas holder.
Lubricant oil in the main frame 4 is gone into pipe 23 through oil cooler and is entered in the oil cooling loop of cooler 6, and cooled lubricant oil goes out the oil strainer that pipe 24 arrives in the main frame 4 through oil cooler, and compression is next time cooled off and lubricated.Oil strainer is mainly used to filter out the impurity of lubricant oil in the cyclic process; The major function of thermostat valve 25 be main frame 4 when cold-starting, bypass part deep fat directly enters main frame 4 and without cooler 6, cooler 6 reduces hot oil temperature, recycling lubricant oil cools off and lubricates.Cooler 6 integrates rock gas cooling and lubricant oil cooling.
Electric control system is monitored the unit operation situation, and when its pressure and temperature surpassed setting value, the signal according to temperature transmitter 16 and pressure transmitter 17 sent warning, and it is carried out high temperature stoppage protection and overload protection.
The beneficial effects of the utility model are compression efficiency height, compression ratio height, the saving energy; Rational in infrastructure, noise is low, shakes for a short time, only needs the light weight basis; Reliable, stable performance, control are flexibly; Installation and maintenance are simple, and maintenance cost is low; Floor space is little, the convenient transportation of whole sled shelf structure and mobile.Be fit to various gas sources are carried out the compressor use of high pressure compressed.
Description of drawings
Fig. 1 is the utility model general structure (three-dimensional) schematic representation;
Fig. 2 is structure (three-dimensional) schematic representation of Fig. 1;
Fig. 3 is the plan view of Fig. 1;
Fig. 4 is the plan view of Fig. 1.
Component and numbering among the figure:
The 1-suction tude, 2-air inlet separator, 3-main frame suction tude, the 4-main frame, 5-main exhaust pipe,
The 6-cooler, the 7-discharge air separator is gone into pipe, the 8-discharge air separator, the 9-discharge air separator goes out pipe,
10-filters STEAM TRAP, the 11-exsiccator, and 12-cascade filtration STEAM TRAP, the 13-outlet pipe,
The 14-drive unit, the 15-prying body, the 16-temperature transmitter, the 17-pressure transmitter,
The 18-liquid level detects controller, 19-air inlet safety valve, and 20-exhaust, safety valve, the total blow-down pipe of 21-,
The total drain pipe of 22-, the 23-cooler is gone into pipe, and the 24-cooler goes out pipe, 25-thermostat valve.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1-4, the screw type natural gas compressor, comprise the suction tude 1, air inlet separator 2, main frame suction tude 3, main frame 4, main exhaust pipe 5, cooler 6, discharge air separator 8, filtration STEAM TRAP 10, exsiccator 11, the cascade filtration STEAM TRAP 12 that connect successively, to outlet pipe 13; And drive unit 14 and electric control system, each part mentioned above is installed on the prying body 15, main frame 4 is a double-screw compressor, has oil strainer, oil separator, air filter, pressure release valve, air inlet easing valve, minimum pressure valve and expansion valve, and is provided with built-in channel; Liquid level is housed on the air inlet separator 2 detects controller 18; The lubricant oil cooling circuit of cooler 6 is provided with thermostat valve 25; Pressure transmitter 17 and temperature transmitter 16 are installed on the main exhaust pipe 5, and the two is electrically connected with electric control system; Drive unit 14 is electrically connected with electric control system.
Gas source, is separated moisture content wherein in air inlet separator 2 by suction tude 1, and when isolated moisture content liquid level reached the setting height of liquid level detection controller 18, water liquid was discharged from the bottom pipeline of separator 2, to total drain pipe 22; The natural gas via main frame suction tude 3 of removing moisture content enters main frame 4, and main frame air inlet easing valve is controlled air inflow, and non-return function is arranged, and rock gas is compressed in main frame 4.Natural gas via main exhaust pipe 5 after the compression enters in the cooler 6, through cooling after discharge air separator is gone into pipe 7 enters in the discharge air separator 8; The water liquid of separating out in the cooling procedure is discharged from the bottom pipeline of discharge air separator 8, to total drain pipe 22; The compressed natural gas of cooling goes out pipe 9 through discharge air separator and removes moisture content once more to filtering STEAM TRAP 10, with working efficiency and the working life that guarantees follow-up exsiccator 11, drying device 11,12 degree of depth oil removings of cascade filtration STEAM TRAP, dewater and drying after, to outlet pipe 13 external air feed or be filled in the gas holder.
Lubricant oil in the main frame 4 is gone into pipe 23 through oil cooler and is entered in the oil cooling loop of cooler 6, and cooled lubricant oil goes out the oil strainer that pipe 24 arrives in the main frame 4 through oil cooler, and compression is next time cooled off and lubricated.Oil strainer is mainly used to filter out the impurity of lubricant oil in the cyclic process; The major function of thermostat valve 25 be main frame 4 when cold-starting, bypass part deep fat directly enters main frame 4 and without cooler 6, cooler 6 reduces hot oil temperature, recycling lubricant oil cools off and lubricates.Cooler 6 integrates rock gas cooling and lubricant oil cooling.
Electric control system is monitored the unit operation situation, when its pressure and temperature surpass setting value, follows the signal according to temperature transmitter 16 and pressure transmitter 17, sends warning, and it is carried out high temperature stoppage protection and overload protection.
Main frame has the efficient piece-rate system of two-stage that detachable oil separates core.Unit is fully integrated main frame, piece-rate system and interconnecting tube road; The screw type main frame compresses rock gas by two screw engages of negative and positive, and rock gas separates in main frame with the lubricant oil coolant mixture, can most lubricant oil in the mixed gas be disposed; Lubricant oil turns back in the cooling system, and rock gas is discharged to cooler 6 from main frame 4 air cooling is but in the loop.
Cooler 6 is the integrated cooler of oil cooling air cooling.The cooler fan adopts integrated centrifugal fan.Good cooling results.
Air inlet safety valve 19 is installed on the main frame suction tude 3.Exhaust, safety valve 20 is installed on the main exhaust pipe 5.Unit is realized overvoltage protection.
Electric control system comprises electric distribution system, blind controller system and PLC.By the operation conditions of its liquid level, pressure and temperature sensor unit, control corresponding electrically-controlled valve or switch realization overload, overvoltage and high temperature protection by PLC.When the liquid level increase oversteps the extreme limit height, send and report to the police and shutdown.Electric control system can be kept predetermined discharge pressure, and has and restart function automatically, and being used for gas source has situation than great fluctuation process.Gas-storing capacity can make compressor emergency shutdown with energy saving during greater than predetermined value.Be provided with total blow-down pipe 21 in the unit, when shutting down, remaining pressure discharged.
The demonstration of electric control system and control are to realize by the control panel that is located on the control box, this panel is provided with power supply indicator, start button, start stop switch, fault display lamp (as the bright expression fault of red light, i.e. high temperature or overload), pressure gauge, timer.
Claims (6)
1. screw type natural gas compressor, comprise the suction tude (1), air inlet separator (2), main frame suction tude (3), main frame (4), main exhaust pipe (5), cooler (6), discharge air separator (8), filtration STEAM TRAP (10), exsiccator (11), the cascade filtration STEAM TRAP (12) that connect successively, to outlet pipe (13); And drive unit (14) and electric control system, it is characterized in that, each part mentioned above is installed on the prying body (15), main frame (4) is a double-screw compressor, have oil strainer, oil separator, air filter, pressure release valve, air inlet easing valve, minimum pressure valve and expansion valve, and be provided with built-in channel; Liquid level is housed on the air inlet separator (2) detects controller (18); The lubricant oil cooling circuit of cooler (6) is provided with thermostat valve (25); Pressure transmitter (17) and temperature transmitter (16) are installed on the main exhaust pipe (5), and the two is electrically connected with electric control system; Drive unit (14) is electrically connected with electric control system.
2. screw type natural gas compressor according to claim 1 is characterized in that, described cooler (6) is the integrated cooler of oil cooling air cooling.
3. screw type natural gas compressor according to claim 1 is characterized in that, air inlet safety valve (19) is installed on the described main frame suction tude (3).
4. screw type natural gas compressor according to claim 1 is characterized in that, exhaust, safety valve (20) is installed on the described main exhaust pipe (5).
5. screw type natural gas compressor according to claim 1 is characterized in that, described drive unit (14) is motor, motor or fluid-power motor.
6. screw type natural gas compressor according to claim 1 is characterized in that described electric control system comprises electric distribution system, blind controller system and PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202426003U CN201546957U (en) | 2009-10-19 | 2009-10-19 | Screw type natural gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202426003U CN201546957U (en) | 2009-10-19 | 2009-10-19 | Screw type natural gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546957U true CN201546957U (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202426003U Expired - Fee Related CN201546957U (en) | 2009-10-19 | 2009-10-19 | Screw type natural gas compressor |
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| CN (1) | CN201546957U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121476A (en) * | 2011-01-19 | 2011-07-13 | 宁波鲍斯能源装备股份有限公司 | Screw rod medium-pressure machine |
| CN102155382A (en) * | 2011-03-15 | 2011-08-17 | 龚玉华 | Compact-type natural gas compressor |
| CN103275778A (en) * | 2013-05-17 | 2013-09-04 | 东莞雅迪勤压缩机制造有限公司 | Explosion-proof type double-screw methane compressor |
| CN103790829A (en) * | 2012-10-30 | 2014-05-14 | 珠海格力电器股份有限公司 | Open-type screw unit |
| CN103899538A (en) * | 2012-12-28 | 2014-07-02 | 上海信然压缩机有限公司 | Twin-screw two-stage supercharging air compressor |
| CN104314531A (en) * | 2014-09-28 | 2015-01-28 | 中国石油化工股份有限公司 | Method for improving recovery efficiency of gas wells |
| EP2875276A4 (en) * | 2012-07-23 | 2016-05-18 | Flogistix Lp | Multi-stream compressor management system and method |
| CN106567830A (en) * | 2016-10-27 | 2017-04-19 | 银川天佳能源科技股份有限公司 | Screw compressor for mixed refrigeration field and application method thereof |
-
2009
- 2009-10-19 CN CN2009202426003U patent/CN201546957U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121476A (en) * | 2011-01-19 | 2011-07-13 | 宁波鲍斯能源装备股份有限公司 | Screw rod medium-pressure machine |
| CN102155382A (en) * | 2011-03-15 | 2011-08-17 | 龚玉华 | Compact-type natural gas compressor |
| CN102155382B (en) * | 2011-03-15 | 2012-11-14 | 龚玉华 | Compact-type natural gas compressor |
| US10289130B2 (en) | 2012-07-23 | 2019-05-14 | Flogistix, Lp | Multi-stream compressor management system and method |
| US9588523B2 (en) | 2012-07-23 | 2017-03-07 | Flogistix, Lp | Multi-stream compressor management system and method |
| EP2875276A4 (en) * | 2012-07-23 | 2016-05-18 | Flogistix Lp | Multi-stream compressor management system and method |
| CN103790829B (en) * | 2012-10-30 | 2016-08-24 | 珠海格力电器股份有限公司 | Open-type screw unit |
| CN103790829A (en) * | 2012-10-30 | 2014-05-14 | 珠海格力电器股份有限公司 | Open-type screw unit |
| CN103899538A (en) * | 2012-12-28 | 2014-07-02 | 上海信然压缩机有限公司 | Twin-screw two-stage supercharging air compressor |
| CN103275778A (en) * | 2013-05-17 | 2013-09-04 | 东莞雅迪勤压缩机制造有限公司 | Explosion-proof type double-screw methane compressor |
| CN103275778B (en) * | 2013-05-17 | 2015-06-24 | 东莞雅迪勤压缩机制造有限公司 | Explosion-proof type double-screw methane compressor |
| CN104314531A (en) * | 2014-09-28 | 2015-01-28 | 中国石油化工股份有限公司 | Method for improving recovery efficiency of gas wells |
| CN106567830A (en) * | 2016-10-27 | 2017-04-19 | 银川天佳能源科技股份有限公司 | Screw compressor for mixed refrigeration field and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20121019 |