CN105937495A - Oil cooling system for rotor-type compressor during helium compression - Google Patents
Oil cooling system for rotor-type compressor during helium compression Download PDFInfo
- Publication number
- CN105937495A CN105937495A CN201610388664.9A CN201610388664A CN105937495A CN 105937495 A CN105937495 A CN 105937495A CN 201610388664 A CN201610388664 A CN 201610388664A CN 105937495 A CN105937495 A CN 105937495A
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- China
- Prior art keywords
- rotor
- oil
- cooler
- type compressor
- pipeline
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/10—Fluid working
- F04C2210/105—Helium (He)
Abstract
The invention discloses an oil cooling system for a rotor-type compressor during helium compression. The oil cooling system comprises the rotor-type compressor, a cooler and a heat exchanger, wherein an oil outlet is formed in an oil pool at the lower part of the rotor-type compressor; the oil outlet is connected with an I-road inlet of the cooler through a first pipeline; an I-road outlet of the cooler is connected with an inlet of the heat exchanger through a second pipeline; an outlet of the heat exchanger is connected with an II-road inlet of the cooler through a third pipeline; an II-road outlet of the cooler is connected with a three-way pipe fitting through a fourth pipeline; and the other two ports of the three-way pipe fitting are respectively connected with an air suction hole and a cylinder. The cooling system adopts lubricating oil as a cooling medium, performs cycle operation, and sequentially cools a shell and the cylinder of the rotor-type compressor, the temperature of the rotor-type compressor during operation is effectively decreased, and the operation of the compressor is safer and more stable.
Description
Technical field
The present invention relates to a kind of cooling system, particularly relate to a kind of oil cooling system for rotor-type compressor compressed helium
The technical field of system.
Background technology
The a large amount of GM refrigeration machines used in field of low-temperature refrigeration are to use high-pressure helium expand and obtain low temperature, in order to obtain
The high-pressure helium of about 2MPa, needs to use helium compressor.There are vortex helium dedicated compressor, piston type in the market
Helium dedicated compressor can be selected, and also has the helium compressor using the transformation of the way of air-conditioning screw compressor, air-conditioning piston compressor,
Be different from the compression of air-conditioning refrigerant, helium compression want specialized designs cooling system with the problems of excessive heat of solution compressor, need by
Cooling system mixed by the compressor of idle call, to control the motor temperature of compressor, temperature cylinder make the safe and stable fortune of compressor
OK.For the compressor of air conditioner of the transformation of the way, general piston compressor is suitable for the power bracket of 200w～600w, and rotator type compresses
Machine is suitable for the power bracket of 700w～2000w, and scroll compressor is suitable for the power bracket of 2000w～15000w.Piston type is empty
The cooling system adjusting compressor compressed helium is typically: increase oil pump and helium porch increases lubricating oil spray nozzle, exist simultaneously
Cylinder shell outer felt around water cooler to cool down compressor；The cooling system of vortex compressor of air conditioner compressed helium is usual
It is: by increasing oil circulation, go the lubricating oil of cooling to cool down the helium being in compression process.Due to rotor-type compressor
Being different from the structure of scroll compressor, piston compressor, its cooling system has different from both, and disclosed way is
Use piston type air-conditioner compressor transformation of the way helium compressor cooling means, winding water cooling line outside compressor, will simultaneously
The pipeline that high temperature grease at high-pressure helium, oil vapour pipeline and cylinder is drawn is wrapped in outside water cooling pipeline cooled.
The cooling of housing is taken away most heat indeed through water cooling tube by way disclosed in this kind, needs to increase cooling water
Blood circulation, the heat exchange area of the cooling water pipeline of winding can be by the size limitation of compressor housing, and the compression made
Machine is bulky, the Oil/Gas Pipe Louis in outside by the vibration effect of compressor itself, affect its with water lines contact thus
Affect heat exchange property.Therefore to there is compressor operating temperature the highest for the compressor of this kind of open way transformation of the way, or its
The problems such as cooling water pipeline is huge being wound around.
Summary of the invention
The invention aims to solve the problem of overheat of compressor during rotor-type compressor direct compressed helium, it is provided that
A kind of oil cooling system for rotor-type compressor compressed helium, makes the operation that rotor-type compressor is safe and stable.
The technical solution used in the present invention is as follows: a kind of oil cooling system for rotor-type compressor compressed helium, bag
Include rotor-type compressor, cooler, heat exchanger, oil-out is set at the oil sump of described rotor-type compressor bottom, described fuel-displaced
Mouth is connected with I tunnel import of cooler by the first pipeline, and I way outlet of described cooler passes through second pipe and heat exchanger
Import be connected, the outlet of described heat exchanger is connected with II tunnel import of cooler by the 3rd pipeline, described cooler
II way outlet be connected with tee pipe fitting by the 4th pipeline, other two ports of described tee pipe fitting, port leads to
Crossing the 5th pipeline to be connected with air entry, another port connects with cylinders.
Further, described heat exchanger can use metal tubes to be wrapped on compressor housing and realize, and is formed around tubular type
Heat exchanger；May be used without metallic cylinder to be nested in outside compressor housing and realize, form double pipe heat exchanger.
Further, described first pipeline arranges oil strainer I.
Further, described 4th pipeline sets gradually oil strainer II, capillary tube.
Further, the type of cooling of described cooler can use air-cooled, water-cooled or other types of cooling.
When a kind of oil cooling system for rotor-type compressor compressed helium works, in the oil sump of rotor-type compressor bottom
Lubricating oil flow out from oil-out, by the first pipeline after oil strainer I filters, I tunnel import of cooler enter cooling
Device, after lubricating oil is cooled in cooler, by I way outlet of cooler by second pipe inflow heat exchanger, to rotator type
The housing outer surface of compressor cools down, and now the temperature of lubricating oil raises.Lubricating oil after intensification is through the outlet of heat exchanger
Being entered cooler by the 3rd pipeline by II tunnel import of cooler, lubricating oil is cooled again, and the lubricating oil after cooling passes through
4th pipeline filters through oil strainer II, after capillary-compensated, through tee pipe fitting with entered from air entry by the 5th pipeline
After helium mix, flow into the cylinder of rotor-type compressor together, after cooling down the helium in compression and cylinder, return oil sump.This cooling
System, using lubricating oil as cooling medium, utilizes the pressure differential lubrication oil circulation work of rotor-type compressor oil-out and air entry
Make, cool down housing and the cylinder of rotor-type compressor successively, so that rotor-type compressor runs safe and stable.
Beneficial effects of the present invention:
1. the present invention is compared with existing rotator type helium compressor, the restriction of its cooling system machine size the most by compression, and
Taking full advantage of the cooling effect of lubricating oil, therefore the cooling system temperature of the present invention is lower, and the cooling on oil circuit and helium road is not
The impact of machine vibration by compression, cooling performance is stable；Compared with existing vortex helium compressor, increase around pipe in oil circuit
Formula heat exchanger or double pipe heat exchanger, cool down compressor case, and compressor operating is more safe and stable；With existing
The piston type air-conditioner compressor transformation of the way is compared, and decreases oil pump and fueling injection equipment, compact conformation, reduces energy consumption；
2. the present invention is by drawing the lubricating oil of rotor-type compressor therein, cools down successively after twice cooling of cooled device
The housing of compressor and cylinder, whole system structure is compacter, utilize rotor-type compressor oil-out and air entry simultaneously
Pressure differential lubrication oil circulation works, and does not increase extra power consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Wherein: 1. rotor-type compressor；2. heat exchanger；The import of 3.II road；4. cooler；5.II way outlet；6.I road goes out
Mouthful；7. I road import；8. oil strainer I；9. oil-out；10. oil sump；11. cylinders；12. oil strainers II；13. capillary tubies；
14. air entries；15. the 5th pipelines；16. tee pipe fittings；17. first pipelines；18. second pipes；19. the 3rd pipelines；20. the 4th
Pipeline.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, the oil cooling system of rotor-type compressor compressed helium of the present invention is done
Further details of explanation.
As it is shown in figure 1, a kind of oil cooling system for rotor-type compressor compressed helium mainly includes that rotator type compresses
Machine 1, cooler 4, heat exchanger 2, oil sump 10 bottom of described rotor-type compressor 1 arranges oil-out 9, and described oil-out 9 passes through
First pipeline 17 is connected with I tunnel import 7 of cooler 4, and the first pipeline 17 arranges oil strainer I 8, the I of described cooler 4
Way outlet 6 is connected by the import of second pipe 18 with heat exchanger 2, the outlet of described heat exchanger 2 by the 3rd pipeline 19 with
II tunnel import 3 of cooler 4 is connected, and II way outlet 5 of described cooler 4 is connected with tee pipe fitting 16 by the 4th pipeline 20
Connect, the 4th pipeline 20 sets gradually oil strainer II 12, capillary tube 13, other two ports of described tee pipe fitting 16, one
Individual port is by the 5th pipeline 15 is connected with air entry 14, another port is connected with cylinder 11.
The heat exchanger 2 of the present invention uses metal tubes to be wrapped on rotor-type compressor 1 housing and realizes.
The type of cooling of cooler 4 of the present invention uses air cooling way.
When the present invention works, the lubricating oil in rotor-type compressor 1 bottom oil sump 10 flows out from oil-out 9, by first
Pipeline 17, after oil strainer I 8 filters, is entered cooler 4 by I tunnel import 7 of cooler 4.Lubricating oil is cold in cooler 4
But after, by I way outlet 6 of cooler 4 by second pipe 18 inflow heat exchanger 2, the housing outer surface to rotor-type compressor 1
Cooling down, now the temperature of lubricating oil raises, the lubricating oil after intensification through the outlet of heat exchanger 2 by the 3rd pipeline 19 by cold
But II tunnel import 3 of device 4 enters cooler 4, and lubricating oil is cooled again.Lubricating oil after cooling passes through the 4th pipeline 20 through oil
After filter II12 filters, capillary tube 13 throttles, through tee pipe fitting 16 and the helium entered from air entry 14 by the 5th pipeline 15
Gas mixes, and flows into the cylinder 11 of rotor-type compressor 1 together, returns oil sump 10 after cooling down the helium in compression and cylinder.This is cold
But system is using lubricating oil as cooling medium, utilizes the pressure differential between the oil-out 9 of rotor-type compressor 1 and air entry 14
Lubrication oil circulation works, and cools down housing and the cylinder 11 of rotor-type compressor 1 successively, so that compressor operating is safe and stable.
Beneficial effects of the present invention:
1. the present invention is compared with existing rotator type helium compressor, the restriction of its cooling machine size the most by compression, and fills
Dividing the cooling effect that make use of lubricating oil, therefore the cooling system temperature of the present invention is lower, and the cooling of oil circuit machine the most by compression shakes
Dynamic impact, cooling performance is stable；Compared with existing vortex helium compressor cooling scheme, add oil circuit to housing
Cooling, protects compressor safe and stable operation greatly；Compared with existing piston type air-conditioner compressor cooling scheme, reduce
Oil pump and fueling injection equipment, compact conformation, reduce energy consumption；
2. the present invention is by drawing the lubricating oil of rotor-type compressor therein, after twice cooling of cooled device, cools down successively
The housing of compressor and cylinder, whole system structure is compacter, utilize simultaneously rotor-type compressor oil-out and air entry it
Between pressure differential lubrication oil circulation, do not increase extra power consumption.
The test result that the present invention uses is shown in Table I.
Above in association with accompanying drawing and concrete technical scheme, the present invention is elaborated, those skilled in the art
Example can be made a variety of changes according to the above description.Thus, some details in concrete technical scheme should not be constituted the present invention's
Limit, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (5)
1. for an oil cooling system for rotor-type compressor compressed helium, including rotor-type compressor, cooler, heat exchange
Device, it is characterised in that: oil-out is set at the oil sump of described rotor-type compressor bottom, described oil-out by the first pipeline with
I tunnel import of cooler is connected, and I way outlet of described cooler is connected with the import of heat exchanger by second pipe, institute
The outlet stating heat exchanger is connected with II tunnel import of cooler by the 3rd pipeline, and II way outlet of described cooler is by the
Four pipelines are connected with tee pipe fitting, other two ports of described tee pipe fitting, and a port is by the 5th pipeline and air-breathing
Mouth is connected, another port connects with cylinders.
Oil cooling system for rotor-type compressor compressed helium the most according to claim 1, it is characterised in that: described
Heat exchanger can use metal tubes to be wrapped on compressor housing and realize, and forms wound tube heat exchanger；May be used without round metal
Cylinder is nested in outside compressor housing and realizes, and forms double pipe heat exchanger.
Oil cooling system for rotor-type compressor compressed helium the most according to claim 1, it is characterised in that: described
Oil strainer I is set on first pipeline.
Oil cooling system for rotor-type compressor compressed helium the most according to claim 1, it is characterised in that: described
Oil strainer II, capillary tube is set gradually on 4th pipeline.
Oil cooling system for rotor-type compressor compressed helium the most according to claim 1, it is characterised in that: described
The type of cooling of cooler can use air-cooled, water-cooled or other types of cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388664.9A CN105937495B (en) | 2016-06-06 | 2016-06-06 | A kind of oil cooling system for rotor-type compressor compressed helium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388664.9A CN105937495B (en) | 2016-06-06 | 2016-06-06 | A kind of oil cooling system for rotor-type compressor compressed helium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105937495A true CN105937495A (en) | 2016-09-14 |
| CN105937495B CN105937495B (en) | 2018-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610388664.9A Active CN105937495B (en) | 2016-06-06 | 2016-06-06 | A kind of oil cooling system for rotor-type compressor compressed helium |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831828A (en) * | 1987-05-27 | 1989-05-23 | Helix Technology Corporation | Cryogenic refrigerator having a convection system to cool a hermetic compressor |
| CN2205520Y (en) * | 1994-09-05 | 1995-08-16 | 王金山 | Energy saving air conditioner |
| CN101469715A (en) * | 2007-12-24 | 2009-07-01 | 海尔集团公司 | Compressor case heat interchanger |
| CN201546942U (en) * | 2009-12-28 | 2010-08-11 | 鞠佳彤 | Air conditioning compressor with cooling device |
| CN102052282A (en) * | 2009-11-09 | 2011-05-11 | 住友重机械工业株式会社 | Air cooled helium compressor |
| CN102900652A (en) * | 2012-10-26 | 2013-01-30 | 江苏兆胜空调有限公司 | Special cooling device for helium compressor |
| CN203335412U (en) * | 2013-05-14 | 2013-12-11 | 晶澳太阳能有限公司 | Air compressor combined cooling device |
| CN205744464U (en) * | 2016-06-06 | 2016-11-30 | 中船重工鹏力（南京）超低温技术有限公司 | A kind of oil cooling system for rotor-type compressor compressed helium |
-
2016
- 2016-06-06 CN CN201610388664.9A patent/CN105937495B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831828A (en) * | 1987-05-27 | 1989-05-23 | Helix Technology Corporation | Cryogenic refrigerator having a convection system to cool a hermetic compressor |
| CN2205520Y (en) * | 1994-09-05 | 1995-08-16 | 王金山 | Energy saving air conditioner |
| CN101469715A (en) * | 2007-12-24 | 2009-07-01 | 海尔集团公司 | Compressor case heat interchanger |
| CN102052282A (en) * | 2009-11-09 | 2011-05-11 | 住友重机械工业株式会社 | Air cooled helium compressor |
| CN201546942U (en) * | 2009-12-28 | 2010-08-11 | 鞠佳彤 | Air conditioning compressor with cooling device |
| CN102900652A (en) * | 2012-10-26 | 2013-01-30 | 江苏兆胜空调有限公司 | Special cooling device for helium compressor |
| CN203335412U (en) * | 2013-05-14 | 2013-12-11 | 晶澳太阳能有限公司 | Air compressor combined cooling device |
| CN205744464U (en) * | 2016-06-06 | 2016-11-30 | 中船重工鹏力（南京）超低温技术有限公司 | A kind of oil cooling system for rotor-type compressor compressed helium |
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|---|---|
| CN105937495B (en) | 2018-05-15 |
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