CN108869304A - A kind of gas supplementary structure of single screw compressor - Google Patents
A kind of gas supplementary structure of single screw compressor Download PDFInfo
- Publication number
- CN108869304A CN108869304A CN201810661140.1A CN201810661140A CN108869304A CN 108869304 A CN108869304 A CN 108869304A CN 201810661140 A CN201810661140 A CN 201810661140A CN 108869304 A CN108869304 A CN 108869304A
- Authority
- CN
- China
- Prior art keywords
- low pressure
- supplementing opening
- gas supplementing
- press
- gas
- 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
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
Abstract
The invention discloses a kind of gas supplementary structures of single screw compressor, including casing, the Meshing Pair of one screw rod and two planar gaterotors compositions being arranged symmetrically is installed in the casing, low pressure stage and intermediate pressure section are formed in casing, casing is equipped with the first low pressure gas supplementing opening and the second low pressure gas supplementing opening being connected to low pressure stage, first low pressure gas supplementing opening and the second low pressure gas supplementing opening are located at the radially opposite sides of screw rod, first low pressure gas supplementing opening is connected with the first low pressure blowdown pipe, and the second low pressure gas supplementing opening is connected with the second low pressure blowdown pipe；It is additionally provided with to press in gas supplementing opening and second in first be connected to intermediate pressure section on casing and presses gas supplementing opening, the radially opposite sides for pressing gas supplementing opening to be located at screw rod in gas supplementing opening and second are pressed in first, it presses gas supplementing opening to be connected in first in first and presses blowdown pipe, press gas supplementing opening to be connected in second in second and press blowdown pipe.A kind of gas supplementary structure of single screw compressor of the present invention, can effectively increase air compensation, to promote the effect of Gas-supplying enthalpy-increasing.
Description
Technical field
The present invention relates to a kind of gas supplementary structures of single screw compressor.
Background technique
Semi-enclosed single screw compressor, main motion parts are that main rotor and the star-wheel being arranged symmetrically in two sides turn
Dynamic component, belongs to positive displacement compressor.In order to improve the compressed capability of gas, gas supplementary structure can be generally added on the compressor,
To solve compressor excessive discharge temperature and the problems such as insufficient heating capacity under worst cold case；But traditional gas supplementary structure
Air compensation it is smaller, influence the effect of Gas-supplying enthalpy-increasing.
Summary of the invention
It is structurally reasonable the purpose of the present invention is to provide a kind of gas supplementary structure of single screw compressor, it can be effective
Increase air compensation, to promote the effect of Gas-supplying enthalpy-increasing.
To achieve the above object, the technical scheme is to design a kind of gas supplementary structures of single screw compressor, including
Casing is equipped with the Meshing Pair an of screw rod and two planar gaterotors compositions being arranged symmetrically, shape in the casing in the casing
At having low pressure stage and intermediate pressure section, which is equipped with the first low pressure gas supplementing opening and the second low pressure gas supplementing opening being connected to low pressure stage,
The first low pressure gas supplementing opening and the second low pressure gas supplementing opening are located at the radially opposite sides of screw rod, and the first low pressure gas supplementing opening is connected with
First low pressure blowdown pipe, the second low pressure gas supplementing opening are connected with the second low pressure blowdown pipe；It is additionally provided on the casing and connects with intermediate pressure section
It is pressed in gas supplementing opening and second in logical first and presses gas supplementing opening, this presses in first pressure gas supplementing opening in gas supplementing opening and second to be located at spiral shell
The radially opposite sides of bar, and press gas supplementing opening to be connected in first in first and press blowdown pipe, press gas supplementing opening to be connected in second in second
Press blowdown pipe.It in the above scheme, can be by the first low pressure blowdown pipe and the second low pressure blowdown pipe simultaneously to the low pressure of compressor
Duan Jinhang tonifying Qi；Also, can also by press in first in blowdown pipe and second pressure blowdown pipe simultaneously to the intermediate pressure section of compressor into
Row tonifying Qi, so that air compensation greatly increases, to promote the effect of Gas-supplying enthalpy-increasing.
Preferably, the first low pressure gas supplementing opening, the second low pressure gas supplementing opening, press in gas supplementing opening and second in first and press tonifying Qi
The shape of mouth is circle.
Preferably, the axis of the axis of the first low pressure gas supplementing opening and the second low pressure gas supplementing opening coincides, and described first
The axis of gas supplementing opening is pressed to coincide in the axis and second of middle pressure gas supplementing opening.It, can during tonifying Qi by using above scheme
So that the uniform force of screw rod, is conducive to the stable operation of compressor.
Preferably, the axis of gas supplementing opening is pressed in the same plane in the axis and first of the first low pressure gas supplementing opening.It is logical
It crosses using the above scheme, is conducive to being uniformly distributed for each gas supplementing opening.
Preferably, it presses in described first in blowdown pipe and second to press and is connected separately with liquid supplementation pipe on blowdown pipe.By using
Above scheme can be by pressing in first pressure blowdown pipe in blowdown pipe and second to carry out band when the excessive discharge temperature of compressor
Liquid tonifying Qi, to reduce the delivery temperature of compressor, avoiding compressor leads to asking for stoppage protection because of excessive discharge temperature
Topic.
Preferably, the first low pressure blowdown pipe, the second low pressure blowdown pipe, press blowdown pipe in first, press tonifying Qi in second
Check valve is equipped in pipe and liquid supplementation pipe.By using above scheme, avoids and occur to flow backwards phenomenon in each pipeline.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
The technical solution that the present invention embodies is：
As shown in Figure 1, a kind of gas supplementary structure of single screw compressor, including casing 1, be equipped in the casing 1 screw rod and
The Meshing Pair of two planar gaterotors compositions being arranged symmetrically, is formed with low pressure stage and intermediate pressure section in the casing 1, on the casing 1
Equipped with the first low pressure gas supplementing opening 2 and the second low pressure gas supplementing opening 3 being connected to low pressure stage, the first low pressure gas supplementing opening 2 and second is low
Pressure gas supplementing opening 3 is located at the radially opposite sides of screw rod, and the first low pressure gas supplementing opening 2 is connected with the first low pressure blowdown pipe 4, and second is low
Pressure gas supplementing opening 3 is connected with the second low pressure blowdown pipe 5；Pressure gas supplementing opening 6 in first be connected to intermediate pressure section is additionally provided on the casing 1
With second in press gas supplementing opening 7, this presses in first pressure gas supplementing opening 7 in gas supplementing opening 6 and second to be located at the radially opposite sides of screw rod, and
Gas supplementing opening 6 is pressed to be connected with pressure blowdown pipe 8 in first in first, pressure gas supplementing opening 7 is connected with pressure blowdown pipe 9 in second in second.?
In above scheme, the low pressure stage of compressor can be mended simultaneously by the first low pressure blowdown pipe 4 and the second low pressure blowdown pipe 5
Gas；Also, can also by pressing in first pressure blowdown pipe 9 in blowdown pipe 8 and second to carry out tonifying Qi to the intermediate pressure section of compressor simultaneously,
So that air compensation greatly increases, to promote the effect of Gas-supplying enthalpy-increasing.
It is pressed in above-mentioned first low pressure gas supplementing opening 2, the second low pressure gas supplementing opening 3, first and presses gas supplementing opening 7 in gas supplementing opening 6 and second
Shape be circle.
The axis of above-mentioned first low pressure gas supplementing opening 2 and the axis of the second low pressure gas supplementing opening 3 coincide, and press and mend in above-mentioned first
The axis of gas supplementing opening 7 is pressed to coincide in the axis of port 6 and second.By using above scheme, during tonifying Qi, spiral shell can be made
The uniform force of bar is conducive to the stable operation of compressor.
The axis of gas supplementing opening 6 is pressed in the same plane in the axis and first of above-mentioned first low pressure gas supplementing opening 2.By using
Above scheme is conducive to being uniformly distributed for each gas supplementing opening.
It presses in blowdown pipe 8 and second to press in above-mentioned first and is connected separately with liquid supplementation pipe 10 on blowdown pipe 9.By using above-mentioned
Scheme can be by pressing in first pressure blowdown pipe 9 in blowdown pipe 8 and second to carry out band liquid when the excessive discharge temperature of compressor
Tonifying Qi avoids the problem of compressor leads to stoppage protection because of excessive discharge temperature to reduce the delivery temperature of compressor.
It is pressed in above-mentioned first low pressure blowdown pipe 4, the second low pressure blowdown pipe 5, first and presses 9 and of blowdown pipe in blowdown pipe 8, second
Check valve 11 is equipped in liquid supplementation pipe 10.By using above scheme, avoids and occur to flow backwards phenomenon in each pipeline.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of gas supplementary structure of single screw compressor, including casing, a screw rod and two symmetrical cloth are installed in the casing
The Meshing Pair for the planar gaterotors composition set, which is characterized in that be formed with low pressure stage and intermediate pressure section in the casing, set on the casing
There are the first low pressure gas supplementing opening and the second low pressure gas supplementing opening being connected to low pressure stage, the first low pressure gas supplementing opening and the second low pressure tonifying Qi
Mouth is located at the radially opposite sides of screw rod, and the first low pressure gas supplementing opening is connected with the first low pressure blowdown pipe, the second low pressure gas supplementing opening
It is connected with the second low pressure blowdown pipe；It is additionally provided in first be connected to intermediate pressure section to press to press in gas supplementing opening and second on the casing and mend
Port, this presses in first pressure gas supplementing opening in gas supplementing opening and second to be located at the radially opposite sides of screw rod, and gas supplementing opening is pressed in first
It is connected in first and presses blowdown pipe, press gas supplementing opening to be connected in second in second and press blowdown pipe.
2. the gas supplementary structure of single screw compressor according to claim 1, which is characterized in that the first low pressure tonifying Qi
Mouth, the second low pressure gas supplementing opening press that the shape of gas supplementing opening is pressed in gas supplementing opening and second is circle in first.
3. the gas supplementary structure of single screw compressor according to claim 2, which is characterized in that the first low pressure gas supplementing opening
Axis and the axis of the second low pressure gas supplementing opening coincide, pressed in described first and press gas supplementing opening in the axis and second of gas supplementing opening
Axis coincides.
4. the gas supplementary structure of single screw compressor according to claim 3, which is characterized in that the first low pressure gas supplementing opening
Axis and first in press gas supplementing opening axis in the same plane.
5. the gas supplementary structure of single screw compressor according to claim 4, which is characterized in that press blowdown pipe in described first
With second in press blowdown pipe on be connected separately with liquid supplementation pipe.
6. the gas supplementary structure of single screw compressor according to claim 5, which is characterized in that the first low pressure tonifying Qi
Pipe, the second low pressure blowdown pipe press blowdown pipe in first, press in second and be equipped with check valve in blowdown pipe and liquid supplementation pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661140.1A CN108869304A (en) | 2018-06-25 | 2018-06-25 | A kind of gas supplementary structure of single screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661140.1A CN108869304A (en) | 2018-06-25 | 2018-06-25 | A kind of gas supplementary structure of single screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869304A true CN108869304A (en) | 2018-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810661140.1A Pending CN108869304A (en) | 2018-06-25 | 2018-06-25 | A kind of gas supplementary structure of single screw compressor |
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| CN (1) | CN108869304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285060A (en) * | 2019-07-29 | 2019-09-27 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system with multiple gas supplementary structure |
| CN110925198A (en) * | 2019-11-01 | 2020-03-27 | 山东佳利略能源科技有限公司 | Multistage air supply screw compressor with economizer loop |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362261A (en) * | 1976-11-17 | 1978-06-03 | Hoshizaki Electric Co Ltd | Ice stock detector for automatic ice-making machine |
| JPH04361965A (en) * | 1991-06-11 | 1992-12-15 | Hitachi Building Syst Eng & Service Co Ltd | Noise prevention device for elevator |
| CN101825087A (en) * | 2010-02-01 | 2010-09-08 | 珠海格力电器股份有限公司 | Double jet orifice enthalpy-rising rotary compressor and air-conditioning system using same |
| CN105545737A (en) * | 2016-01-25 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage added enthalpy compressor and control method thereof |
| CN205878688U (en) * | 2015-08-31 | 2017-01-11 | 广东美的暖通设备有限公司 | Air conditioning system |
-
2018
- 2018-06-25 CN CN201810661140.1A patent/CN108869304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362261A (en) * | 1976-11-17 | 1978-06-03 | Hoshizaki Electric Co Ltd | Ice stock detector for automatic ice-making machine |
| JPH04361965A (en) * | 1991-06-11 | 1992-12-15 | Hitachi Building Syst Eng & Service Co Ltd | Noise prevention device for elevator |
| CN101825087A (en) * | 2010-02-01 | 2010-09-08 | 珠海格力电器股份有限公司 | Double jet orifice enthalpy-rising rotary compressor and air-conditioning system using same |
| CN101825087B (en) * | 2010-02-01 | 2012-07-25 | 珠海格力电器股份有限公司 | Double jet orifice enthalpy-rising rotary compressor and air-conditioning system using same |
| CN205878688U (en) * | 2015-08-31 | 2017-01-11 | 广东美的暖通设备有限公司 | Air conditioning system |
| CN105545737A (en) * | 2016-01-25 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage added enthalpy compressor and control method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285060A (en) * | 2019-07-29 | 2019-09-27 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system with multiple gas supplementary structure |
| WO2021017677A1 (en) * | 2019-07-29 | 2021-02-04 | 珠海格力电器股份有限公司 | Compressor and air conditioning system |
| CN110285060B (en) * | 2019-07-29 | 2023-10-10 | 珠海格力电器股份有限公司 | Compressor with multiple air supplementing structure and air conditioning system |
| CN110925198A (en) * | 2019-11-01 | 2020-03-27 | 山东佳利略能源科技有限公司 | Multistage air supply screw compressor with economizer loop |
| CN110925198B (en) * | 2019-11-01 | 2021-01-01 | 山东佳利略能源科技有限公司 | Air-supplementing screw compressor with economizer loop |
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Application publication date: 20181123 |
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