CN104595155A - Long-stroke hydraulically-controlled natural gas compressor - Google Patents

Long-stroke hydraulically-controlled natural gas compressor Download PDF

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Publication number
CN104595155A
CN104595155A CN201410838742.1A CN201410838742A CN104595155A CN 104595155 A CN104595155 A CN 104595155A CN 201410838742 A CN201410838742 A CN 201410838742A CN 104595155 A CN104595155 A CN 104595155A
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China
Prior art keywords
valve
cylinder
oil cylinder
gas
compressor
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Granted
Application number
CN201410838742.1A
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Chinese (zh)
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CN104595155B (en
Inventor
梁政
邓雄
赖家云
兰万新
张梁
谢德勇
赵勇
冯海清
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CHENGDU TINGYUAN TECHNOLOGY Co Ltd
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CHENGDU TINGYUAN TECHNOLOGY Co Ltd
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Priority to CN201410838742.1A priority Critical patent/CN104595155B/en
Publication of CN104595155A publication Critical patent/CN104595155A/en
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Publication of CN104595155B publication Critical patent/CN104595155B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a long-stroke hydraulically-controlled compressor in natural gas industry. The invention adopts the technical scheme as follows: a primary gas inlet valve and a secondary gas inlet valve are mounted at the upper parts of two ends of a gas cylinder, wherein a primary gas outlet valve and a secondary gas outlet valve are mounted on the lower parts of two ends of the gas cylinder; a gas inlet pipeline is connected to the primary gas inlet valve; the primary gas outlet valve, a heat exchanger, a reversing valve and the secondary gas inlet valve are connected in series through a pipeline; the bottom of the gas cylinder is in flange connection with a piston ring; a head of the cylinder is in threaded connection with an end cover; one end of an oil cylinder sleeve is in threaded connection with the piston ring; the other end of the oil cylinder sleeve is in clearance fit with the end cover; one end of a piston rod is placed in an inner cavity of the oil cylinder in a clearance fit manner; a lug ring on one end of the piston ring is hinged to a rack; the gas cylinder is fixedly connected to the rack. The long-stroke hydraulically-controlled compressor is long in stroke; the liquid compact can be avoided; a moving part is low in speed, low in noise and long in service life; the compressor is wholly prized; a hydraulic control manner is adopted, so that the compressor is flexible and reliable to control; the compressor can be applied to processes of discharging water and extracting gas, mixing and conveying gas and liquid and recycling scattered gas; the compressor is highly adaptive to variable working conditions.

Description

A kind of long stroke hydraulic control natural gas compressor
Technical field
The present invention relates to a kind of long stroke hydraulic control compressor for oil and gas industry.
Background technique
Compressor is the visual plant used in the manufacturing processs such as rock gas collection, conveying and storage, and in recent years, compressor all plays huge effect at engineering fields such as water pumping gas production, low pressure gas production, pressurizing mixed transportations.Existing mining site natural gas compressor mainly contains sliding vane, screw type and reciprocating.Sliding-vane compressor efficiency is extremely low, being in great demand to Lubricants; Screw compressor difficulty of processing is large, wastage large, easily produce medium-high frequency noise, only for mesolow scope; The stroke of reciprocal compressor is short, cannot adapt to the operating mode containing liquid gas, easily cause liquid hammer, the serious reduction compressor life-span.
Compressed media (change of component is all there is for using natural gas compressor widely at present, containing liquid) selectivity is strong, variable working condition bad adaptability, efficiency is low, the problems such as complementary conditions are many, spy of the present invention provides a kind of long stroke hydraulic control compressor, by inter-stage Automatic adjusument and the speed of injection liquid cylinder pressure fluid and the stroke of Flow-rate adjustment compressor and jig frequency, meet wet gas suction pressure fluctuating in a big way, media components changes, containing liquid and air displacement requirement, realize gas field low-pressure gas well water pumping gas production, mixed defeated supercharging, the needs of scattered gas recovery and enhancing efficiency by relying on tapping internal latent power.
Summary of the invention
Object of the present invention: for meeting gas field well head rock gas enhancing efficiency by relying on tapping internal latent power, avoiding exploring the needs of the wasting of resources, overcome existing compressor efficiency low, be difficult to adapt to complex working condition (compressed media change, suction pressure fluctuation greatly) etc. problem, spy provides a kind of long stroke hydraulic control natural gas compressor.
In order to achieve the above object, the present invention is by the following technical solutions: a kind of long stroke hydraulic control compressor, is made up of piston rod, end cap, filling neck, oil cylinder, oil cylinder cover, air inlet pipeline, one-level suction valve, cylinder, piston ring, secondary exhaust valve, gas exhaust piping, secondary inlet valve, selector valve, heat exchanger, one-level outlet valve, hydraulic hose a and hydraulic hose b; Its structure characteristic is: one-level suction valve and secondary exhaust valve are arranged on top, cylinder two ends respectively, and one-level outlet valve and secondary inlet valve are arranged on bottom, cylinder two ends respectively; One-level suction valve, one-level outlet valve, secondary inlet valve and secondary exhaust valve are all one-way valves; Air inlet pipeline is connected with one-level suction valve, and gas exhaust piping is connected with secondary exhaust valve, and one-level outlet valve, heat exchanger, selector valve and secondary inlet valve pipeline are connected; Selector valve is two position three way directional control valve, and import connects the pipeline from heat exchanger, and an outlet connects the pipeline leading to secondary inlet valve, and another outlet is connected with gas exhaust piping; With piston ring Flange joint bottom oil cylinder, oil cylinder head and end cap are threaded; Oil cylinder two ends are connected with hydraulic hose a, hydraulic hose b respectively, and piston ring inside is processed with oil hole, and piston ring oil hole is connected with filling neck; End cap is provided with through hole, and hydraulic hose a, hydraulic hose b are connected with hydraulic station through the through hole of end cap, and filling neck is connected with filling pump by the through hole of end cap; Oil cylinder overlaps one end and piston ring is threaded, and the other end and end cover clearance coordinate; Cylinder cavity is inserted in piston rod one end, Spielpassung; After piston rod, end cap, filling neck, oil cylinder, oil cylinder cover, piston ring, hydraulic hose a and hydraulic hose b install, entirety inserts cylinder inner cavity; Piston ring and cylinder lumen contact face are provided with sealing, and oil cylinder cover and cylinder port surface of contact are provided with sealing, and piston rod and oil cylinder surface of contact are provided with sealing; Earrings and the frame of piston rod one end are hinged, cylinder and frame affixed.
The invention has the beneficial effects as follows: the stroke of (1) this long stroke hydraulic control compressor is long, can avoid the harm of liquid hammer; (2) movement velocity of this compressor movement parts is low, and jig frequency is little, and fatigue damage is little, and noise is low, long service life; (3) overall one-tenth sled, takes up room little; (4) gas-liquid mixture fluid and change of gas condition is adapted to, variable working condition strong adaptability; (5) hydraulic control mode, controls flexibility and reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of long stroke hydraulic control of the present invention compressor;
In figure: 1. piston rod, 2. end cap, 3. filling neck, 4. oil cylinder, 5. oil cylinder cover, 6. air inlet pipeline, 7. one-level suction valve, 8. cylinder, 9. piston ring, 10. secondary exhaust valve, 11. gas exhaust pipings, 12. secondary inlet valves, 13. selector valves, 14. heat exchangers, 15. one-level outlet valves, 16. hydraulic hose a, 17. hydraulic hose b.
Embodiment
As shown in Figure 1, a kind of long stroke hydraulic control of the present invention compressor, comprises piston rod 1, end cap 2, filling neck 3, oil cylinder 4, oil cylinder cover 5, air inlet pipeline 6, one-level suction valve 7, cylinder 8, piston ring 9, secondary exhaust valve 10, gas exhaust piping 11, secondary inlet valve 12, selector valve 13, heat exchanger 14, one-level outlet valve 15, hydraulic hose a16 and hydraulic hose b17; Its structure characteristic is: one-level suction valve 7 and secondary exhaust valve 10 are arranged on top, cylinder 8 two ends respectively, and one-level outlet valve 15 and secondary inlet valve 12 are arranged on bottom, cylinder 8 two ends respectively; One-level suction valve 7, one-level outlet valve 15, secondary inlet valve 12 and secondary exhaust valve 10 are all one-way valves; Air inlet pipeline 6 is connected with one-level suction valve 7, and gas exhaust piping 11 is connected with secondary exhaust valve 10, and one-level outlet valve 7, heat exchanger 14, selector valve 13 and secondary inlet valve 12 are connected with pipeline; Selector valve 12 is two position three way directional control valves, and import connects the pipeline from heat exchanger 14, and an outlet connects the pipeline leading to secondary inlet valve 12, and another outlet is connected with gas exhaust piping 11; With piston ring 9 Flange joint bottom oil cylinder 4, oil cylinder 4 head and end cap 2 are threaded; Oil cylinder 4 two ends are connected with hydraulic hose a16, hydraulic hose b17 respectively, and piston ring 9 inside is processed with oil hole, and piston ring 9 oil hole is connected with filling neck 3; End cap 2 is provided with through hole, and hydraulic hose a16, hydraulic hose b17 are connected with hydraulic station through the through hole of end cap 2, and filling neck 3 is connected with filling pump by the through hole of end cap 2; Oil cylinder overlaps 5 one end and piston ring 9 is threaded, the other end and end cap 2 Spielpassung; Oil cylinder 4 inner chamber is inserted in piston rod 1 one end; After piston rod 1, end cap 2, filling neck 3, oil cylinder 4, oil cylinder cover 5, piston ring 9, hydraulic hose a16 and hydraulic hose b17 install, entirety inserts cylinder 8 inner chamber; Piston ring 9 and cylinder 8 lumen contact face are provided with sealing, and oil cylinder cover 5 and cylinder 8 port contact face are provided with sealing, and piston rod 1 and oil cylinder 4 surface of contact are provided with sealing; Earrings and the frame of piston rod 1 one end are hinged, cylinder 8 and frame affixed.
The working principle of a kind of long stroke hydraulic control of the present invention compressor is: hydraulic hose a16, hydraulic hose b17 are connected with hydraulic station, hydraulic station by hydraulic hose a16, hydraulic hose b17 alternately to injection pressure oil in oil cylinder, make end cap 2, filling neck 3, oil cylinder 4, oil cylinder overlap 5 and piston ring 9 overall reciprocating.Filling pump is by the sealing note lubricant oil of filling neck 3 to piston ring 9.When piston ring 9 moves right, one-level suction valve 7 air inlet, one-level outlet valve 15 and secondary inlet valve 12 are closed, and secondary exhaust valve 10 is vented; When piston ring 9 is to left movement, one-level suction valve 7 and secondary exhaust valve 10 are closed, and one-level outlet valve 15 is vented, secondary inlet valve 12 air inlet; Piston ring 9 left side is one stage of compression cylinder, is two-stage compression cylinder on the right of piston ring 9; By the commutation function of selector valve 12, rock gas can be made after one stage of compression cylinder is discharged directly to enter exhaust line 11.

Claims (5)

1. the invention provides a kind of long stroke hydraulic control compressor, comprise piston rod (1), end cap (2), filling neck (3), oil cylinder (4), oil cylinder cover (5), air inlet pipeline (6), one-level suction valve (7), cylinder (8), piston ring (9), secondary exhaust valve (10), gas exhaust piping (11), secondary inlet valve (12), selector valve (13), heat exchanger (14), one-level outlet valve (15), hydraulic hose a(16) and hydraulic hose b(17); It is characterized in that: described one-level suction valve (7) and secondary exhaust valve (10) are arranged on cylinder (8) top, two ends respectively, one-level outlet valve (15) and secondary inlet valve (12) are arranged on cylinder (8) bottom, two ends respectively; Air inlet pipeline (6) is connected with one-level suction valve (7), and gas exhaust piping (11) is connected with secondary exhaust valve (10), and one-level outlet valve (7), heat exchanger (14), selector valve (13) and secondary inlet valve (12) are connected with pipeline.
2. long stroke hydraulic control compressor according to claim 1, is characterized in that: described oil cylinder (4) bottom and piston ring (9) Flange joint, and oil cylinder (4) head and end cap (2) are threaded; Oil cylinder (4) two ends respectively with hydraulic hose a(16), hydraulic hose b(17) be connected, piston ring (9) inside is processed with oil hole, and piston ring (9) oil hole is connected with filling neck (3); (2) are provided with through hole to end cap, hydraulic hose a(16), hydraulic hose b(17) be connected with hydraulic station through the through hole of end cap (2), filling neck (3) is connected with filling pump by the through hole of end cap (2); Oil cylinder cover (5) one end and piston ring (9) are threaded, the other end and end cap (2) Spielpassung; Oil cylinder (4) inner chamber is inserted in piston rod (1) one end.
3. according to claim 1 and long stroke hydraulic control compressor according to claim 2, it is characterized in that: described piston rod (1), end cap (2), filling neck (3), oil cylinder (4), oil cylinder cover (5), piston ring (9), hydraulic hose a(16) and hydraulic hose b(17) install after, entirety inserts cylinder (8) inner chamber; Piston ring (9) and cylinder (8) lumen contact face are provided with sealing, and oil cylinder cover (5) and cylinder (8) port contact face are provided with sealing, and piston rod (1) and oil cylinder (4) surface of contact are provided with sealing; Earrings and the frame of piston rod (1) one end are hinged, cylinder (8) and frame affixed.
4. long stroke hydraulic control compressor according to claim 1, it is characterized in that: described selector valve (12) is two position three way directional control valve, import connects the pipeline from heat exchanger (14), an outlet connects the pipeline leading to secondary inlet valve (12), and another outlet is connected with gas exhaust piping (11).
5. long stroke hydraulic control compressor according to claim 1, is characterized in that: described one-level suction valve (7), one-level outlet valve (15), secondary inlet valve (12) and secondary exhaust valve (10) are all one-way valves, set up cracking pressure in advance during use.
CN201410838742.1A 2014-12-30 2014-12-30 A kind of long stroke hydraulic control natural gas compressor Expired - Fee Related CN104595155B (en)

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CN201410838742.1A CN104595155B (en) 2014-12-30 2014-12-30 A kind of long stroke hydraulic control natural gas compressor

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CN104595155A true CN104595155A (en) 2015-05-06
CN104595155B CN104595155B (en) 2016-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108894960A (en) * 2018-07-06 2018-11-27 付立国 A kind of multifunctional medical emergency air compressor machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09126117A (en) * 1995-10-30 1997-05-13 Ishikawajima Constr Mach Co Reciproctable fluid pump
CN200946558Y (en) * 2006-08-17 2007-09-12 青岛绿科汽车燃气开发有限公司 Novel hydraulic drive natural gas reciprocating compressor
CN101233318A (en) * 2005-07-26 2008-07-30 林德股份公司 Apparatus and method for compressing a gas
CN201521415U (en) * 2009-09-23 2010-07-07 武汉齐达康环保科技有限公司 Piston type secondary compression hydraulic compressor
US20100172771A1 (en) * 2008-11-12 2010-07-08 Clayton Hoffarth Multiphase pump
CN102678506A (en) * 2012-04-26 2012-09-19 西安昆仑液压传动机械厂 Coaxial compressor cylinder two-stage compression device
CN203308672U (en) * 2013-06-09 2013-11-27 青岛东燃燃气设备有限公司 Hydraulically-driven reciprocated compression device for natural gas

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09126117A (en) * 1995-10-30 1997-05-13 Ishikawajima Constr Mach Co Reciproctable fluid pump
CN101233318A (en) * 2005-07-26 2008-07-30 林德股份公司 Apparatus and method for compressing a gas
CN200946558Y (en) * 2006-08-17 2007-09-12 青岛绿科汽车燃气开发有限公司 Novel hydraulic drive natural gas reciprocating compressor
US20100172771A1 (en) * 2008-11-12 2010-07-08 Clayton Hoffarth Multiphase pump
CN201521415U (en) * 2009-09-23 2010-07-07 武汉齐达康环保科技有限公司 Piston type secondary compression hydraulic compressor
CN102678506A (en) * 2012-04-26 2012-09-19 西安昆仑液压传动机械厂 Coaxial compressor cylinder two-stage compression device
CN203308672U (en) * 2013-06-09 2013-11-27 青岛东燃燃气设备有限公司 Hydraulically-driven reciprocated compression device for natural gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108894960A (en) * 2018-07-06 2018-11-27 付立国 A kind of multifunctional medical emergency air compressor machine

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