CN2804736Y - Residual oil reclaiming structure for liquid storager of double-rotor compressor - Google Patents
Residual oil reclaiming structure for liquid storager of double-rotor compressor Download PDFInfo
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- CN2804736Y CN2804736Y CN 200520043509 CN200520043509U CN2804736Y CN 2804736 Y CN2804736 Y CN 2804736Y CN 200520043509 CN200520043509 CN 200520043509 CN 200520043509 U CN200520043509 U CN 200520043509U CN 2804736 Y CN2804736 Y CN 2804736Y
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- reservoir
- air intake
- compressor
- cylindrical shell
- storage device
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Abstract
The utility model relates to a residual oil recovery structure for a liquid storage device of a double-rotor compressor, which comprises a cylinder body of a liquid storage device, an air inlet pipe arranged on the top of the cylinder body of the liquid storage device, a filter screen component positioned on the upper part of an inner cavity of the cylinder body of the liquid storage device, and two air suction pipes which are arranged in the inner cavity of the cylinder body of the liquid storage device in parallel and at intervals, wherein the two air suction pipes positioned on the lower part of the inner cavity of the cylinder body of the liquid storage device are respectively provided with an oil return hole. The utility model is characterized in that the pipe walls of the two air suction pipes positioned on the lower part of the inner cavity of the cylinder body of the liquid storage device are at least additionally provided with one oil return hole; the pipe walls of the two air suction pipes positioned on the upper part of the inner cavity of the cylinder body of the liquid storage device are provided with more than one oil return hole; accordingly, the utility model can quickly make oil returned to a compressor to make an upper and a lower cylinders of the compressor sufficiently lubricated; simultaneously, excess liquid refrigerants return to the liquid storage device from the air suction pipes to be re-evaporated in order to prevent the liquid hammer of a compressor, and the operation reliability of a compressor is effectively improved. The utility model has the advantage of simple processing, and the cost does not need to be increased.
Description
Technical field
The utility model relates to a kind of dual-rotator compressor reservoir structure, relates in particular to a kind of dual-rotator compressor reservoir and accumulates oil recovering structure.
Background technology
The prior art compressor is in operation, when air-breathing gas liquid content is too much, can cause liquid refrigerant by and go into working chamber, dilute lubricating oil and cause lubrication state to worsen probably.In order to prevent this defective, existing dual-rotator compressor all before air intake duct enters compressor housing, disposes vapour liquid separator, and promptly reservoir is separated droplets entrained in air-breathing, and the cold-producing medium that enters working chamber with assurance is a dry flue gas.But compressor is after running after a while, and oil can accumulate in the reservoir bottom and not return compressor adding operation, thereby causes the inner oil starvation of compressor.
For the long-pending oil that the reservoir bottom be left behind can return compressor, prior art reservoir inside is being opened a little spill port respectively with two air intake duct bottoms that two cylinders link to each other respectively.
See also shown in Figure 1ly, this is the structural representation of the reservoir of prior art rotor compressor configuration.Reservoir 10 comprises: reservoir cylindrical shell 2, be arranged on reservoir cylindrical shell 2 tops an air inlet pipe 1, be placed in the net-filter assembly 3, parallel and be disposed on two air intake ducts 4 in cylindrical shell 2 inner chambers on cylindrical shell 2 inner chamber tops.Wherein, the lower end of two air intake ducts 4 and reservoir cylindrical shell 2 bottom ports 11 are by being welded to connect, and it is bend pipe that two air intake ducts 4 stretch out cylindrical shell 2 outer pipeline sections, and the outlet 5 of two air intake ducts 4 is connected with the compressor inlet that is arranged on reservoir 10 1 sides respectively; A spill port 6 is set being positioned on two air intake ducts 4 of cylindrical shell 2 inner chamber bottoms respectively.Among Fig. 1, label 9 expression stockpiles accumulates oil 9 in reservoir cylindrical shell 2 inner chamber bottoms.
Though the reservoir of above-mentioned prior art rotor compressor configuration can impel the oil 9 that accumulates of air intake duct 4 bottoms to return compressor, but the problem that exists in actual moving process is: though the bottom of the air intake duct 4 in reservoir 10 is provided with spill port, make it to carry out oil return work, but because the height difference of cylinder about the compressor, be difficult to thus guarantee simultaneously that cylinder is lubricated up and down, especially the position of casing top half is than higher, it is bigger to make it the oil return difficulty, and is easy to generate the loss of oil return.
Summary of the invention
The purpose of this utility model is to provide a kind of improved dual-rotator compressor reservoir to accumulate oil recovering structure, it can effectively reclaim the oil that accumulates that stockpiles in the reservoir bottom, guarantee highly different two compressor cylinder sufficient lubrications up and down, prevent compressor generation liquid hammer, improve the reliability of compressor operating.
The purpose of this utility model is achieved in that
A kind of dual-rotator compressor reservoir accumulates oil recovering structure, comprising: the reservoir cylindrical shell; Be arranged on the air inlet pipe at reservoir cylindrical shell top; Be positioned at the net-filter assembly on reservoir cylinder lumen top; Parallel interval is arranged on two air intake ducts in the reservoir cylinder lumen, and two air intake ducts are fixedlyed connected with the bottom ports of reservoir cylindrical shell, is respectively equipped with a spill port being positioned on two air intake ducts of reservoir cylinder lumen bottom;
Be characterized in:
At least set up a spill port on the tube wall of described two air intake ducts that are positioned at reservoir cylinder lumen lower position;
At least more than one hole for back flow is set on the tube wall of described two air intake ducts that are positioned at reservoir cylinder lumen upper position.
Accumulate in the oil recovering structure at above-mentioned dual-rotator compressor reservoir, wherein, the described quantitative range that is set in place the spill port on two air intake duct tube walls of reservoir cylinder lumen lower position is 2 to 8.
Accumulate in the oil recovering structure at above-mentioned dual-rotator compressor reservoir, wherein, the described quantitative range that is set in place the hole for back flow on two air intake duct tube walls of reservoir cylinder lumen upper position is 2 to 16.
Accumulate in the oil recovering structure at above-mentioned dual-rotator compressor reservoir, wherein, described be set in place on the tube wall of two air intake ducts of reservoir cylinder lumen lower position a plurality of spill ports they be distributed in air intake duct tube wall periphery.
Accumulate in the oil recovering structure at above-mentioned dual-rotator compressor reservoir, wherein, described be set in place on the tube wall of two air intake ducts of reservoir cylinder lumen upper position a plurality of hole for back flow they be distributed in the position of two differing heights on the air intake duct tube wall respectively.
Accumulate in the oil recovering structure at above-mentioned dual-rotator compressor reservoir, wherein, the diameter range of described spill port is 0.8～2.0mm.
Accumulate in the oil recovering structure at above-mentioned dual-rotator compressor reservoir, wherein, the diameter range of described hole for back flow is 0.9～2.1mm.
The utility model dual-rotator compressor reservoir accumulates oil recovering structure owing to adopted above-mentioned technical scheme, makes it compared with prior art, has following advantage and good effect:
1. the utility model is owing to be provided with a plurality of spill ports in the air intake duct bottom of reservoir, and the interior Huis that accumulates oil of reservoir is received fast thus, and impels and return compressor body, to guarantee all sufficient lubrications of cylinder up and down;
2. the utility model is owing to be provided with a plurality of hole for back flow on the air intake duct top of reservoir simultaneously, and it can make unnecessary cold-producing medium turn back to reservoir, can not only prevent compressor generation liquid hammer thus; And guarantee that when compressor displacement increases lubricity also improves synchronously, thereby effectively improved the reliability of compressor operating;
3. the utility model makes both oil returns easily of reservoir, thereby can prevent that again refrigerant liquid and impurity etc. from entering compressor in the lump and causing compressor liquid hammer or stall because spill port is set best diameter range;
4. the utility model is owing to be provided with the processing mode of a plurality of spill ports and a plurality of hole for back flow on air intake duct, handling ease not only, and do not increase cost, therefore economical and practical.
Description of drawings
By following the utility model dual-rotator compressor reservoir is accumulated the description of an embodiment of oil recovering structure in conjunction with its accompanying drawing, can further understand the purpose of this utility model, specific structural features and advantage.Wherein, accompanying drawing is:
Fig. 1 is the structural representation of prior art dual-rotator compressor reservoir.
Fig. 2 is that the utility model dual-rotator compressor reservoir accumulates the oil recovering structure schematic diagram.
The specific embodiment
See also shown in Figure 2ly, this is that the utility model dual-rotator compressor reservoir accumulates the oil recovering structure schematic diagram.The utility model reservoir accumulates oil recovering structure and comprises air inlet pipe 1, cylindrical shell 2, net-filter assembly 3 and two air intake ducts 4.Wherein, air inlet pipe 1 is arranged on the top of reservoir cylindrical shell 2, the inner chamber bottom of reservoir cylindrical shell is to accumulate oil 9, net-filter assembly 3 is arranged on the appropriate location on cylindrical shell 2 inner chamber tops, two air intake ducts 4 are parallel and be disposed in the cylindrical shell 2, on the tube wall of two air intake ducts 4 that are positioned at reservoir cylindrical shell 2 inner chamber lower positions, be respectively equipped with a spill port 6, air intake duct 4 is fixedly connected by welding with cylindrical shell bottom ports 11 in reservoir cylindrical shell bottom, the pipeline section that two air intake ducts 4 stretch out outside cylindrical shell 2 lower ends is a bend pipe, and the outlet 5 of two air intake ducts is connected with the compressor inlet that is arranged on reservoir 10 1 sides respectively.The utility model unlike the prior art be on the tube wall of two air intake ducts 4 that are positioned at reservoir cylindrical shell 2 inner chamber lower positions, to set up a spill port 8 at least; At least more than one hole for back flow 7 is set on the tube wall of two air intake ducts 4 that are positioned at reservoir cylindrical shell 2 inner chamber upper positions simultaneously.
The quantitative range that the utility model is set in place the spill port 8 on two air intake duct 4 tube walls of reservoir cylindrical shell 2 inner chamber lower positions is 2 to 8, as for how many spill ports 8 are set, then decide according to the size and the gas of air intake duct 4, above-mentioned a plurality of spill ports 8 are distributed in air intake duct 4 tube wall peripheries respectively; And the size of spill port 8 is more important, and spill port 8 is big more, easy more oil return; But after spill port 8 is excessive, makes cryogen liquid and impurity etc. enter compressor in the lump and cause liquid hammer or stall.In the present embodiment, the diameter range of spill port 8 is set to 0.8～2.0mm; From as can be known above-mentioned, the utility model is provided with a plurality of spill ports on two air intake ducts of reservoir, thereby can guarantee all sufficient lubrications of cylinder up and down.
The quantitative range that the utility model is set in place the hole for back flow 7 on two air intake duct 4 tube walls of reservoir cylindrical shell 2 inner chamber upper positions is 2 to 16, as for the hole for back flow 7 how much quantity is set, then decide according to the big or small length and the gas of air intake duct 4, above-mentioned hole for back flow 7 is distributed in respectively on the tube wall of differing heights, and the diameter range of hole for back flow 7 is 0.9-2.1mm; The setting of a plurality of hole for back flow 7 makes unnecessary cold-producing medium turn back to reservoir, thus can be in case compressor generation liquid hammer.
The operation principle that the utility model dual-rotator compressor reservoir accumulates oil recovering structure is:
When compressor in when operation, the lubricating oil in the compressor can be along with system's running cooled dose take compressor body out of, get back to reservoir after, can accumulate in reservoir cylindrical shell bottom with cold-producing medium; Be arranged on a plurality of spill ports on the air intake duct of reservoir, since be distributed in the diverse location on the tube wall circumference, oil return fast thus, and flow into highly different cylinders up and down, cylinder all obtains sufficient lubrication thereby make up and down, effectively reduces compressor generation liquid hammer simultaneously; Simultaneously, because a plurality of hole for back flow of offering on the air intake duct of reservoir, the air-breathing middle droplets entrained of air intake duct is separated, allowing unnecessary liquid refrigerant return reservoir from air intake duct evaporates again, played the effect of time liquid, thereby the cold-producing medium of guaranteeing to import the compressor operating chamber is a dry flue gas.When compressor displacement increased, lubricity also improved synchronously.
In sum, the utility model dual-rotator compressor reservoir accumulates oil recovering structure owing in reservoir air intake duct bottom a plurality of spill ports are set, simultaneously a plurality of hole for back flow are set on air intake duct top, not only oil return fast simultaneously thus, return compressor body, guarantee highly different two compressor cylinder sufficient lubrications up and down; Make unnecessary liquid refrigerant from air intake duct, return reservoir simultaneously and evaporate again, in case compressor generation liquid hammer, effectively raise the reliability of compressor operating; The utility model design science is reasonable, and it effectively improves compressor movement reliability, and processes the easy cost that need not to increase, and is therefore very practical.
Claims (7)
1. a dual-rotator compressor reservoir accumulates oil recovering structure, comprising:
Reservoir cylindrical shell (2);
Be arranged on the air inlet pipe (1) at reservoir cylindrical shell (2) top;
Be positioned at the net-filter assembly (3) on reservoir cylindrical shell (2) inner chamber top;
Parallel interval is arranged on two air intake ducts (4) in reservoir cylindrical shell (2) inner chamber, two air intake ducts (4) are fixedlyed connected with reservoir cylindrical shell (2) bottom ports (11), are respectively equipped with a spill port (6) on two air intake ducts (4) that are positioned at reservoir cylindrical shell (2) inner chamber bottom;
It is characterized in that:
At least set up a spill port (8) on the tube wall of described two air intake ducts (4) that are positioned at reservoir cylindrical shell (2) inner chamber lower position;
At least more than one hole for back flow (7) is set on the tube wall of described two air intake ducts (4) that are positioned at reservoir cylindrical shell (2) inner chamber upper position.
2. dual-rotator compressor reservoir as claimed in claim 1 accumulates oil recovering structure, it is characterized in that: the described quantitative range that is set in place the spill port (8) on two air intake ducts (4) tube wall of reservoir cylindrical shell (2) inner chamber lower position is 2 to 8.
3. dual-rotator compressor reservoir as claimed in claim 1 accumulates oil recovering structure, it is characterized in that: the described quantitative range that is set in place the hole for back flow (7) on two air intake ducts (4) tube wall of reservoir cylindrical shell (2) inner chamber upper position is 2 to 16.
4. dual-rotator compressor reservoir as claimed in claim 1 or 2 accumulates oil recovering structure, it is characterized in that: described be set in place on the tube wall of two air intake ducts (4) of reservoir cylindrical shell (2) inner chamber lower position a plurality of spill ports (8) they be distributed in air intake duct (4) tube wall periphery.
5. accumulate oil recovering structure as claim 1 or 3 described dual-rotator compressor reservoirs, it is characterized in that: described be set in place on the tube wall of two air intake ducts (4) of reservoir cylindrical shell (2) inner chamber upper position a plurality of hole for back flow (7) they be distributed in the position of the differing heights on two air intake ducts (4) tube wall respectively.
6. dual-rotator compressor reservoir as claimed in claim 1 or 2 accumulates oil recovering structure, it is characterized in that: the diameter range of described spill port (8) is 0.8～2.0mm.
7. accumulate oil recovering structure as claim 1 or 3 described dual-rotator compressor reservoirs, it is characterized in that: the diameter range of described hole for back flow (7) is 0.9～2.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520043509 CN2804736Y (en) | 2005-07-18 | 2005-07-18 | Residual oil reclaiming structure for liquid storager of double-rotor compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520043509 CN2804736Y (en) | 2005-07-18 | 2005-07-18 | Residual oil reclaiming structure for liquid storager of double-rotor compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2804736Y true CN2804736Y (en) | 2006-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520043509 Expired - Lifetime CN2804736Y (en) | 2005-07-18 | 2005-07-18 | Residual oil reclaiming structure for liquid storager of double-rotor compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684805A (en) * | 2008-09-27 | 2010-03-31 | 乐金电子(天津)电器有限公司 | External members of two-stage rotating type compressor |
| CN109851042A (en) * | 2019-04-12 | 2019-06-07 | 广州易能克科技有限公司 | Water oxygenation equipment |
-
2005
- 2005-07-18 CN CN 200520043509 patent/CN2804736Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684805A (en) * | 2008-09-27 | 2010-03-31 | 乐金电子(天津)电器有限公司 | External members of two-stage rotating type compressor |
| CN109851042A (en) * | 2019-04-12 | 2019-06-07 | 广州易能克科技有限公司 | Water oxygenation equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150718 Granted publication date: 20060809 |
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| EXPY | Termination of patent right or utility model |