CN105275805B - A kind of oil injection type double-screw compressor - Google Patents
A kind of oil injection type double-screw compressor Download PDFInfo
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- CN105275805B CN105275805B CN201410305579.2A CN201410305579A CN105275805B CN 105275805 B CN105275805 B CN 105275805B CN 201410305579 A CN201410305579 A CN 201410305579A CN 105275805 B CN105275805 B CN 105275805B
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Abstract
The present invention relates to a kind of oil injection type double-screw compressor more particularly to its internal helical rotors and oil-gas separation chamber.The screw rod chamber of double-screw compressor body is connected with oil-gas separation chamber by the exhaust outlet of end cap.Rotor in screw rod chamber bears radial load by two needle bearings, and an angular contact ball bearing bears axial force.Reduction box is installed in the end of screw rod chamber, and there are two end caps for the other side, and close to the installation of the sealing and bearing for screw rod chamber of screw rod chamber, the end cap in outside is for sealing oil circuit and export gas mixture.Middle and lower part in oil-gas separation chamber is equipped with one piece of filter plate, for filtering gas mixture.On the top of oil-gas separation chamber, there are one one-way exhaust valve and solenoid valves for installation, and air bleeding valve is for being discharged gas, and solenoid valve is for controlling oil spout.The compressor cavity that the present invention designs substantially reduces the volume of compressor.Designed double-screw compressor, by hydrodynamic analysis simplation verification, has solid theoretical foundation using software.
Description
Technical field
The present invention relates to a kind of oil injection type double-screw compressor more particularly to its internal helical rotors and Oil-gas Separation
Chamber.
Background technology
In the electricity charge of factory's consumption, be widely used the mine of air compressor, chemical industry, power, metallurgy, building, machinery,
The power consumption of the industrial departments such as refrigeration will account for 25% or so of factory's entirety power consumption, and single overall operation with regard to air compressor is at original
It says, the electricity charge of air compressor account for 80% or more of overall operation cost.And the manufacturing industry industrial added value in China accounts for about GDP's
One third accounts for the 80% of all industry, and tax delivery accounts for about the 90% of all industry, and Value added ratio accounts for national foreign trade
The 90% of total export, practitioner account for the 90% of all industry, calculate come in this way, air compressor occupies phase in national economy
Work as consequence, absolute domination role is played the part of in terms of energy consumption.It tackles key problems energy saving and environment friendly compressor project
And buying, this enterprise product and operating cost are reduced, releasing energy-saving product necessarily becomes the key that enterprise promotes competitiveness.It is right
The common technology of double-screw compressor is researched and developed, and response " is changed, and by made in China from manufacture big country to manufacturing power
Make transformation to Created in China, Chinese intelligence " call, the independent intellectual of the core technology, key technology of grasping helical-lobe compressor produces
Power reduces energy consumption, realizes environmentally protective manufacture, reach the sustainable development of helical-lobe compressor, has larger social valence
Value and economic value.
Invention content
The present invention proposes some improvement so that the property of compressor for domestic compressor development on molded line
It can be improved.Many designs have been done in structure in the cavity of compressor simultaneously.So that compressor is in terms of consuming energy with efficiency
Considerable improvement is obtained.
The present invention adopts the following technical scheme that：
A kind of oil injection type double-screw compressor of the present invention, including compressor cavity, positive screw rod, female screw, inner cavity
End cap I, inner cavity end cap II, filter plate, oil strainer, air bleeding valve, solenoid valve, outer end cap, flowline, oil return pipe；The positive spiral shell
Bar is arranged in the screw rod cavity segment of compressor cavity, and female rotor and male rotor match, and angle is equipped in a side end of rotor
Contact ball bearing realizes axially position together with positioning sleeve.Inner cavity end cap I is mounted on the screw rod chamber side in compressor cavity, interior
Inner cavity end cap II is installed in the other end chamber end cap I, and filter plate, the oily mistake of filter plate lower part installation are equipped in the middle and lower part of compressor cavity
Filter is equipped with air bleeding valve and solenoid valve on the top of compressor cavity, and outer end cap is installed in compressor cavity end.It is compressing
Machine inside cavity is provided with the oil circuit for lubricating oil flow.
Oil injection type double-screw compressor of the present invention, the positive screw rod and female screw are realized by needle bearing
Radial positioning realizes axially position using angular contact ball bearing and positioning sleeve.
Oil injection type double-screw compressor of the present invention, it is characterised in that：The inner cavity end cap I, inner cavity end cap II and outer end
It is connected by soket head cap screw between lid and compressor cavity.It is sealed with asbestos rubber paper between contact surface.
Oil injection type double-screw compressor of the present invention, it is characterised in that：Between the filter plate and compressor cavity
It is fixed by screw.It is connected by screw between the oil strainer and compressor cavity.
Oil injection type double-screw compressor of the present invention, it is characterised in that：The air bleeding valve, solenoid valve and compressor
It is connected through a screw thread between cavity.
Oil injection type double-screw compressor of the present invention, it is characterised in that：Flowline passes through screw and compressor cavity
Connection, oil return pipe are connect by screw thread with compressor cavity.
Advantageous effect
Twin-screw rotor molded line provided by the invention is to optimize to set exclusively by software on the basis of original molded line
Meter, and designed after being verified by hydrodynamic analysis it is molding, have solid theoretical foundation.And make the performance of compressor
It is improved.The screw rod chamber and oil-gas separation chamber of compressor melt for one so that whole volume reduces, and simplifies pressure
The parts of contracting machine.There is oil piping system in the interior design of compressor cavity, all parts in compressor can be made to be moistened
It is sliding.The end cap of design is connected by the way of screw, facilitates maintenance repair and maintenance, facilitates the replacement of bearing, reduces inspection
The difficulty repaiied reduces the cost of maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the cross-sectional view of the present invention；
1 is compressor cavity in figure, and 2 be positive screw rod, and 3 be female screw, and 4 be inner cavity end cap I, and 5 be inner cavity end cap II, and 6 are
Filter plate, 7 be oil strainer, and 8 be air bleeding valve, and 9 be solenoid valve, and 10 be outer end cap, and 11 be flowline, and 12 be oil return pipe；
Specific implementation mode
The present invention is described in more detail below in conjunction with the accompanying drawings：
As shown in the figure：A kind of oil injection type double-screw compressor, it is characterised in that：Including compressor cavity (1), positive screw rod
(2), female screw (3), inner cavity end cap I (4), inner cavity end cap II (5), filter plate (6), oil strainer (7), air bleeding valve (8), solenoid valve
(9), outer end cap (10), flowline (11), oil return pipe (12)；The positive screw rod (2) and female screw (3) is mounted on compressor chamber
The screw rod cavity segment of body (1), the screw rod cavity segment end installation inner cavity end cap I (4) of compressor cavity (1), inner cavity end cap I (4)
Inner cavity end cap II (5) is installed in the other end, and filter plate (6), filter plate lower part installation oil are equipped in the middle and lower part of compressor cavity (1)
Filter (7) is equipped with air bleeding valve (8) and solenoid valve (9), in compressor cavity (1) end on the top of compressor cavity (1)
Outer end cap (10) is installed.It is internally provided with the oil circuit for lubricating oil flow in compressor cavity (1).
When concrete application, oil injection type double-screw compressor of the invention is fixed on by the mounting hole of bottom on holder.
The screw rod chamber of compressor cavity 1 is stretched out in one end of positive screw rod 2, is connected with power source.After positive screw rod 2 obtains power, cloudy turn is driven
Son 3 rotates, and solenoid valve 9 controls lubricating oil as gas is injected to together in screw rod chamber.Gas through overcompression and lubricating oil
Mixture is drained by inner cavity end cap I4 and inner cavity end cap II5 in the oil-gas separation chamber of compressor cavity 1, after Oil-gas Separation,
Gas passes through air bleeding valve 8, is discharged into cooling system.Lubricating oil is after filter plate 6, oil strainer 7 filter through flowline 11
It is discharged into cooling system, is returned in compressor cavity 1 further through oil return pipe 12 after cooling, achievees the purpose that recycle.It is pressing
It is also configured with oil circuit in contracting machine cavity body 1, to ensure lubrication and the cooling of each parts.
Claims (1)
1. a kind of oil injection type double-screw compressor, it is characterised in that：Including compressor cavity (1), positive screw rod (2), female screw
(3), (4) inner cavity end cap I, inner cavity end cap II (5), filter plate (6), oil strainer (7), air bleeding valve (8), solenoid valve (9), outer end cap
(10), flowline (11), oil return pipe (12)；The positive screw rod (2) and female screw (3) is mounted on the spiral shell of compressor cavity (1)
Rod cavity part, the screw rod cavity segment end installation inner cavity end cap I (4) of compressor cavity (1), inner cavity end cap I (4) the other end peace
Inner cavity end cap II (5) is filled, filter plate (6) is installed in the middle and lower part of compressor cavity (1), oil strainer (7) is installed in filter plate lower part,
Air bleeding valve (8) and solenoid valve (9) are installed on the top of compressor cavity (1), outer end cap is installed in compressor cavity (1) end
(10), it is internally provided with the oil circuit for lubricating oil flow in compressor cavity (1)；The inner cavity end cap I (4), inner cavity end cap
It is connect by soket head cap screw between II (5) and outer end cap (10) and compressor cavity (1), asbestos rubber paper is used between contact surface
Sealing；The positive screw rod (2) and female screw (3) is to realize radial positioning by needle bearing, using angular contact ball bearing and
Positioning sleeve realizes axially position；It is fixed by screw between the filter plate (6) and compressor cavity (1)；The oil filtering
It is connected by screw between device (7) and compressor cavity (1)；The air bleeding valve (8), solenoid valve (9) and compressor cavity (1)
Between be connected through a screw thread；Flowline (11) is connect by screw with compressor cavity (1), and oil return pipe (12) passes through screw thread and pressure
Contracting machine cavity body (1) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410305579.2A CN105275805B (en) | 2014-06-27 | 2014-06-27 | A kind of oil injection type double-screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410305579.2A CN105275805B (en) | 2014-06-27 | 2014-06-27 | A kind of oil injection type double-screw compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275805A CN105275805A (en) | 2016-01-27 |
| CN105275805B true CN105275805B (en) | 2018-08-07 |
Family
ID=55145420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410305579.2A Active CN105275805B (en) | 2014-06-27 | 2014-06-27 | A kind of oil injection type double-screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275805B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11531172B2 (en) * | 2020-05-13 | 2022-12-20 | Globalfoundries U.S. Inc. | Wafer-level testing of lasers attached to photonics chips |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913634A (en) * | 1986-07-01 | 1990-04-03 | Hitachi, Ltd. | Screw compressor with slide valve movement preventing structure |
| US4957517A (en) * | 1989-04-28 | 1990-09-18 | American Standard Inc. | Sound attenuating liquid-gas separator |
| CN101846075A (en) * | 2009-03-25 | 2010-09-29 | 日立空调·家用电器株式会社 | Screw compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0326879A (en) * | 1989-06-23 | 1991-02-05 | Daikin Ind Ltd | Oil separator for compressor |
| JPH0642476A (en) * | 1992-07-24 | 1994-02-15 | Daikin Ind Ltd | Screw compressor |
| JP4106280B2 (en) * | 2002-09-30 | 2008-06-25 | 北越工業株式会社 | Gas-liquid separator for liquid-cooled compressor |
-
2014
- 2014-06-27 CN CN201410305579.2A patent/CN105275805B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913634A (en) * | 1986-07-01 | 1990-04-03 | Hitachi, Ltd. | Screw compressor with slide valve movement preventing structure |
| US4957517A (en) * | 1989-04-28 | 1990-09-18 | American Standard Inc. | Sound attenuating liquid-gas separator |
| CN101846075A (en) * | 2009-03-25 | 2010-09-29 | 日立空调·家用电器株式会社 | Screw compressor |
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| Publication number | Publication date |
|---|---|
| CN105275805A (en) | 2016-01-27 |
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