CN208380854U - A kind of second vapor injection structure of single screw compressor - Google Patents
A kind of second vapor injection structure of single screw compressor Download PDFInfo
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- CN208380854U CN208380854U CN201820981674.8U CN201820981674U CN208380854U CN 208380854 U CN208380854 U CN 208380854U CN 201820981674 U CN201820981674 U CN 201820981674U CN 208380854 U CN208380854 U CN 208380854U
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- casing
- gas
- supplementing opening
- air supply
- vapor injection
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of second vapor injection 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, the linear air supply passage that the casing is equipped with gas supplementing opening and is connected to gas supplementing opening, the length direction of the linear air supply passage and the axial direction of screw rod are consistent, the inner sidewall of the casing is equipped with several gas outlets, several gas outlets are connected to linear air supply passage respectively, and several gas outlets are along the axial spaced set of screw rod.A kind of second vapor injection structure of single screw compressor of the utility model, it is structurally reasonable, be conducive to the effect for promoting Gas-supplying enthalpy-increasing.
Description
Technical field
The utility model relates to a kind of second vapor injection 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
Tonifying Qi section it is shorter, influence the effect of Gas-supplying enthalpy-increasing.
Utility model content
It is structurally reasonable the purpose of this utility model is to provide a kind of second vapor injection structure of single screw compressor, have
Conducive to the effect for promoting Gas-supplying enthalpy-increasing.
To achieve the above object, the technical solution of the utility model is to design a kind of second vapor injection knot of single screw compressor
Structure, including casing are equipped with the Meshing Pair an of screw rod and two planar gaterotors compositions being arranged symmetrically, the machine in the casing
Shell is equipped with gas supplementing opening and the linear air supply passage that be connected to gas supplementing opening, the length direction of the linear air supply passage and
The axial direction of screw rod is consistent, and the inner sidewall of the casing is equipped with several gas outlets, and several gas outlets are logical with linear tonifying Qi respectively
Road connection, and several gas outlets are along the axial spaced set of screw rod.
It preferably, further include blowdown pipe, the outlet of the blowdown pipe is connected to gas supplementing opening, and the blowdown pipe is equipped with towards benefit
The check valve of port.
Preferably, it is additionally provided with filter on the blowdown pipe, the filter is between check valve and gas supplementing opening.
Advantages and beneficial effects of the utility model lie in that tonifying Qi is carried out to the compression chamber in casing by blowdown pipe, and
And the gas filled into can be made to be evenly distributed in compression chamber, to promote the effect of Gas-supplying enthalpy-increasing.In addition, single by setting
To valve, the gas effectively prevented in compression chamber is flow backwards to blowdown pipe.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
The technical solution of the utility model specific implementation is:
As shown in Figure 1, a kind of second vapor injection structure of single screw compressor, including casing 1, one is equipped in the casing 1
The Meshing Pair of a screw rod 2 and two planar gaterotors compositions being arranged symmetrically, the casing 1 are equipped with gas supplementing opening 3 and and tonifying Qi
The linear air supply passages 4 of 3 connection of mouth, the length direction of the linear air supply passage 4 is axial consistent with screw rod 2, described
The inner sidewall of casing 1 is equipped with several gas outlets 5, which is connected to linear air supply passage 4 respectively, and this is several
Axial spaced set of the gas outlet 5 along screw rod 2.
It also, further include blowdown pipe 6, the outlet of the blowdown pipe 6 is connected to gas supplementing opening 3, and the blowdown pipe 6 is equipped with direction
The check valve 7 of gas supplementing opening 3.
It is additionally provided with filter 8 on above-mentioned blowdown pipe 6, the filter 8 is between check valve 7 and gas supplementing opening 3.
Advantages and beneficial effects of the utility model lie in that tonifying Qi is carried out to the compression chamber in casing 1 by blowdown pipe 6,
Also, the gas filled into can be made to be evenly distributed in compression chamber, to promote the effect of Gas-supplying enthalpy-increasing.In addition, passing through setting
Check valve 7, the gas effectively prevented in compression chamber are flow backwards to blowdown pipe 6.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (3)
1. a kind of second vapor injection structure of single screw compressor, including casing, a screw rod is installed in the casing and two right
Claim the Meshing Pair of the planar gaterotors composition of arrangement, which is characterized in that the casing is equipped with gas supplementing opening and is connected to gas supplementing opening
Linear air supply passage, axial consistent, the inside of the casing of the length direction of the linear air supply passage and screw rod
Wall is equipped with several gas outlets, which is connected to linear air supply passage respectively, and several gas outlets are along screw rod
Axial spaced set.
2. the second vapor injection structure of single screw compressor according to claim 1, which is characterized in that it further include blowdown pipe,
The outlet of the blowdown pipe is connected to gas supplementing opening, and the blowdown pipe is equipped with the check valve towards gas supplementing opening.
3. the second vapor injection structure of single screw compressor according to claim 2, which is characterized in that on the blowdown pipe also
Equipped with filter, the filter is between check valve and gas supplementing opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981674.8U CN208380854U (en) | 2018-06-25 | 2018-06-25 | A kind of second vapor injection structure of single screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981674.8U CN208380854U (en) | 2018-06-25 | 2018-06-25 | A kind of second vapor injection structure of single screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380854U true CN208380854U (en) | 2019-01-15 |
Family
ID=64965219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820981674.8U Active CN208380854U (en) | 2018-06-25 | 2018-06-25 | A kind of second vapor injection structure of single screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-06-25 CN CN201820981674.8U patent/CN208380854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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