CN106401955A - Precooling compressor capable of improving intake efficiency - Google Patents
Precooling compressor capable of improving intake efficiency Download PDFInfo
- Publication number
- CN106401955A CN106401955A CN201611068537.7A CN201611068537A CN106401955A CN 106401955 A CN106401955 A CN 106401955A CN 201611068537 A CN201611068537 A CN 201611068537A CN 106401955 A CN106401955 A CN 106401955A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- compressor
- inlet port
- intake
- pipeline section
- 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.)
- Granted
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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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
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/122—Arrangements for supercharging the working space
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a precooling compressor capable of improving intake efficiency. The precooling compressor comprises a compressor shell; an intake port and an exhaust port are formed above the compressor shell; a compression cavity is formed in the compressor shell; a male screw rod rotor and a female screw rod rotor, engaged with each other, are arranged in the compression cavity; the male screw rod rotor is driven through a motor; a lubricating oil chamber is formed in the compressor shell; the intake port includes a first pipe section, a second pipe section and a third pipe section for extending in sequence from top to bottom in the vertical direction, wherein the diameter of the first pipe section is gradually decreased from top to bottom; and the diameter of the third pipe section is gradually increased from top to bottom. The precooling compressor capable of improving intake efficiency can quickly perform the intake treatment for cold source gas under the pressure difference effect at the intake phase of the compressor, improves the intake efficiency of the compressor, and improves the overall working efficiency of the compressor.
Description
Technical field
The present invention relates to field of fluid machinery, especially a kind of pre- cold compressor improving intake efficiency.
Background technology
In carrying out liquefaction process, the stability for guaranteeing its liquefaction operation generally requires to carry out precooling treatment natural gas；
Existing pre-cooling is to be to realize by the compression for cold source gas, and current pre- cold compressor is carrying out low-temperature receiver gas
In the compression process of body, it often leads to overall compression efficiency to be affected because feed rate is relatively low.
Content of the invention
The technical problem to be solved in the present invention be provide a kind of pre- cold compressor, its can be effectively improved compressor carry out cold
The work efficiency during gas compression of source.
For solving above-mentioned technical problem, the present invention relates to a kind of pre- cold compressor improving intake efficiency, it includes
Compressor housing, is provided with air inlet port and air outlet on compressor housing, compressor is provided with compression
Chamber, air inlet port and air outlet be respectively turned on to compression chamber, and compression chamber is internally provided with and is engaged with each other
Positive screw rotor and female screw rotor, positive screw rotor is driven by motor, and compressor arranges lubricating oil
Room, it is turned on each other with compression chamber；Described air inlet port includes first that in the vertical direction from top to bottom extends successively
Pipeline section, the second pipeline section and the 3rd pipeline section, wherein, the diameter of the first pipeline section is from top to bottom gradually reduced, the diameter of the 3rd pipeline section
From top to bottom it is gradually increased.
As a modification of the present invention, described air inlet port correspondence position is arranged by multiple auxiliary air intake devices, its bag
Include multiple additional-air inlet rooms being arranged on air inlet port side end, additional-air inlet room is conducted to inside air inlet port；Described auxiliary
Inlet plenum is helped to be internally provided with the Intake shaft extending obliquely downward, it is driven by the Pneumatic generator that enters being arranged on additional-air inlet outdoor
Dynamic, it is provided with multiple air inlet blades on Intake shaft.Using technique scheme, it can be by the indoor Intake shaft of additional-air inlet
And the setting of air inlet blade, to be internally formed, in air inlet port, the air-flow extending obliquely downward, cause in air inlet port and be in
Cold source gas under air-suction state can be able to acceleration and process, and to be effectively improved its intake efficiency, and then make compressor entirety work
It is improved as efficiency.
As a modification of the present invention, it is provided with least 3 additional-air inlet rooms on described air inlet port, it is all connected with
On the second pipeline section of air inlet port.Using technique scheme, its can pass through the setting of multiple additional-air inlet rooms for
The internal cold source gas of air inlet port form uniform air-flow progradations.
Using the pre- cold compressor of the improved intake efficiency of technique scheme, it can be by positive screw rotor and the moon
Joggleword in compression chamber for the screw rotor, to realize processing for the compression of air, oil chamber can be towards pressure simultaneously
Contracting chamber interior conveys lubricating oil in real time, to guarantee the temperature of air compression process kind in set point.Can change in the application
The pre- cold compressor of kind intake efficiency can obtain the charging stage in compressor, by the diameter change of air inlet port position different pipe sections
To form pressure differential, cause the pressure of the 3rd pipeline section correspondence position to be less than the pressure of the first tube section ends, and then make low-temperature receiver gas
Body is quickly entered gas disposal under above-mentioned differential pressure action, and then the intake efficiency of compressor is improved, so that pressure
The whole work efficiency of contracting machine is improved.
Brief description
Fig. 1 is schematic diagram of the present invention；
Reference numerals list：
1 compressor housing, 2 air inlet port, 201 first pipeline sections, 202 second pipeline sections, 203 the 3rd pipeline sections, 3 go out
Gas port, 4 compression chamber, 5 positive screw rotors, 6 female screw rotors, 7 motors, 8 oil chambers, 9 assist into
Air chamber, 10 Intake shafts, 11 enter Pneumatic generator, 12 air inlet blades.
Specific embodiment
With reference to the accompanying drawings and detailed description, be further elucidated with the present invention it should be understood that following specific embodiment only
For the present invention being described rather than limiting the scope of the present invention.It should be noted that word " front " used in describing below,
" afterwards ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outward " refer respectively to towards or remote
Direction from particular elements geometric center.
Embodiment 1
A kind of pre- cold compressor improving intake efficiency as shown in Figure 1, it includes compressor housing 1, compressor housing 1
On be provided with air inlet port 2 and air outlet 3, compressor housing 1 is internally provided with compression chamber 4, air inlet port 2 and
Air outlet 3 is respectively turned on to compression chamber 4, compression chamber 4 be internally provided with the positive screw rotor 5 being engaged with each other and
Female screw rotor 6, positive screw rotor 5 is driven by motor 7；Described compressor housing 1 is internal to arrange oil chamber 8, its
Turn on each other with compression chamber 4；Described air inlet port 2 includes the first pipeline section that in the vertical direction from top to bottom extends successively
201st, the second pipeline section 202 and the 3rd pipeline section 203, wherein, the diameter of the first pipeline section 201 is from top to bottom gradually reduced, the 3rd pipe
The diameter of section 203 is from top to bottom gradually increased.
Using the pre- cold compressor of the improved intake efficiency of technique scheme, it can be by positive screw rotor and the moon
Joggleword in compression chamber for the screw rotor, to realize processing for the compression of air, oil chamber can be towards pressure simultaneously
Contracting chamber interior conveys lubricating oil in real time, to guarantee the temperature of air compression process kind in set point.Can change in the application
The pre- cold compressor of kind intake efficiency can obtain the charging stage in compressor, by the diameter change of air inlet port position different pipe sections
To form pressure differential, cause the pressure of the 3rd pipeline section correspondence position to be less than the pressure of the first tube section ends, and then make low-temperature receiver gas
Body is quickly entered gas disposal under above-mentioned differential pressure action, and then the intake efficiency of compressor is improved, so that pressure
The whole work efficiency of contracting machine is improved.
Embodiment 2
As a modification of the present invention, described air inlet port 2 correspondence position is arranged by multiple auxiliary air intake devices, and it includes
Multiple additional-air inlet rooms 9 being arranged on air inlet port 2 side end, additional-air inlet room 9 is conducted to inside air inlet port 2；Described auxiliary
Inlet plenum 9 is helped to be internally provided with the Intake shaft 10 extending obliquely downward, it enters Pneumatic generator outside additional-air inlet room 9 by being arranged on
11 drivings, are provided with multiple air inlet blades 12 on Intake shaft 10.Using technique scheme, it can be indoor by additional-air inlet
Intake shaft and air inlet blade setting, to be internally formed, in air inlet port, the air-flow extending obliquely downward, cause inlet end
The cold source gas being under air-suction state in mouthful can be able to acceleration and process, and to be effectively improved its intake efficiency, and then make compression
Machine whole work efficiency is improved.
Remaining feature of the present embodiment is all same as Example 1 with advantage.
Embodiment 3
As a modification of the present invention, it is provided with least 3 additional-air inlet rooms 9 on described air inlet port, it is all connected to
On second pipeline section 202 of air inlet port.Using technique scheme, its can pass through the setting of multiple additional-air inlet rooms for
The internal cold source gas of air inlet port form uniform air-flow progradations.
Remaining feature of the present embodiment is all same as Example 2 with advantage.
Claims (3)
1. a kind of pre- cold compressor improving intake efficiency is it is characterised in that the described pre- cold compression improving intake efficiency
Machine includes compressor housing, is provided with air inlet port and air outlet on compressor housing, and compressor sets
It is equipped with compression chamber, air inlet port and air outlet are respectively turned on to compression chamber, and compression chamber is internally provided with that
The positive screw rotor of this engagement and female screw rotor, positive screw rotor is driven by motor, and compressor sets
Put oil chamber, it is turned on each other with compression chamber；Described air inlet port includes in the vertical direction and from top to bottom prolongs successively
The first pipeline section, the second pipeline section and the 3rd pipeline section stretched, wherein, the diameter of the first pipeline section is from top to bottom gradually reduced, the 3rd pipe
The diameter of section is from top to bottom gradually increased.
2. according to the improved intake efficiency described in claim 1 pre- cold compressor it is characterised in that described air inlet port pair
Position is answered to arrange by multiple auxiliary air intake devices, it includes multiple additional-air inlet rooms being arranged on air inlet port side end, auxiliary
Inlet plenum is helped to be conducted to inside air inlet port；Described additional-air inlet chamber interior is provided with the Intake shaft extending obliquely downward, its by
It is arranged on the air inlet Motor drive of additional-air inlet outdoor, on Intake shaft, be provided with multiple air inlet blades.
3. according to the improved intake efficiency described in claim 2 pre- cold compressor it is characterised in that described air inlet port it
On be provided with least 3 additional-air inlet rooms, it is all connected on the second pipeline section of air inlet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068537.7A CN106401955B (en) | 2016-11-29 | 2016-11-29 | The pre- cold compressor of intake efficiency can be improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068537.7A CN106401955B (en) | 2016-11-29 | 2016-11-29 | The pre- cold compressor of intake efficiency can be improved |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106401955A true CN106401955A (en) | 2017-02-15 |
| CN106401955B CN106401955B (en) | 2019-04-12 |
Family
ID=58082395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611068537.7A Expired - Fee Related CN106401955B (en) | 2016-11-29 | 2016-11-29 | The pre- cold compressor of intake efficiency can be improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106401955B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245612A (en) * | 1965-05-17 | 1966-04-12 | Svenska Rotor Maskiner Ab | Rotary piston engines |
| CN2893231Y (en) * | 2005-09-15 | 2007-04-25 | 梁伯顺 | Variable pitch screw vacuum pump |
| US20070092393A1 (en) * | 2005-10-26 | 2007-04-26 | General Electric Company | Gas release port for oil-free screw compressor |
| CN201461405U (en) * | 2009-05-27 | 2010-05-12 | 北京南口轨道交通机械有限责任公司 | Main machine of double screw air compressor |
| CN205013288U (en) * | 2015-09-15 | 2016-02-03 | 珠海格力电器股份有限公司 | Screw compressor and machine body thereof |
| CN206397737U (en) * | 2016-11-29 | 2017-08-11 | 南京路特软件有限公司 | The pre- cold compressor of intake efficiency can be improved |
-
2016
- 2016-11-29 CN CN201611068537.7A patent/CN106401955B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245612A (en) * | 1965-05-17 | 1966-04-12 | Svenska Rotor Maskiner Ab | Rotary piston engines |
| CN2893231Y (en) * | 2005-09-15 | 2007-04-25 | 梁伯顺 | Variable pitch screw vacuum pump |
| US20070092393A1 (en) * | 2005-10-26 | 2007-04-26 | General Electric Company | Gas release port for oil-free screw compressor |
| CN201461405U (en) * | 2009-05-27 | 2010-05-12 | 北京南口轨道交通机械有限责任公司 | Main machine of double screw air compressor |
| CN205013288U (en) * | 2015-09-15 | 2016-02-03 | 珠海格力电器股份有限公司 | Screw compressor and machine body thereof |
| CN206397737U (en) * | 2016-11-29 | 2017-08-11 | 南京路特软件有限公司 | The pre- cold compressor of intake efficiency can be improved |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106401955B (en) | 2019-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190315 Address after: 312500 Dong Wang 210, Dong Wa village, Chengtan Town, Xinchang County, Shaoxing, Zhejiang Applicant after: XINCHANG JIAXIANG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: Room 601, 6/F, No. 10 Huashenmiao, Yuhuatai District, Nanjing, Jiangsu Province, 210012 Applicant before: NANJING ROUTER SOFTWARE CO.,LTD. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210615 Address after: 224100 Building 1 and 2 in the south of Jianshe West Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Yancheng Dafeng mengster Machinery Co.,Ltd. Address before: 312500 Dong Wang 210, Dong Wa village, Chengtan Town, Xinchang County, Shaoxing, Zhejiang Patentee before: XINCHANG JIAXIANG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20211129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |