CN201731696U - Gas-liquid separator - Google Patents
Gas-liquid separator Download PDFInfo
- Publication number
- CN201731696U CN201731696U CN2010202605449U CN201020260544U CN201731696U CN 201731696 U CN201731696 U CN 201731696U CN 2010202605449 U CN2010202605449 U CN 2010202605449U CN 201020260544 U CN201020260544 U CN 201020260544U CN 201731696 U CN201731696 U CN 201731696U
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- Prior art keywords
- gas
- escape pipe
- liquid separator
- spill port
- port
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- 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.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 79
- 239000003507 refrigerant Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 235000015927 pasta Nutrition 0.000 description 2
- 239000010726 refrigerant oil Substances 0.000 description 2
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A gas-liquid separator comprises a closed casing (1), a liquid inlet pipe (2) and a gas outlet pipe (3), wherein the liquid inlet pipe (2) and the gas outlet pipe (3) are positioned inside the casing (1). A first oil return hole (3.1) is arranged at the bottom end of the gas outlet pipe (3); a second oil return hole (3.2) is arranged at an outlet end of the gas outlet pipe (3); and at least one third oil return hole (3.3) is further arranged on the gas outlet pipe (3) and positioned between the first oil return hole (3.1) and the second oil return hole (3.2). The gas-liquid separator has the advantage of wide oil return range.
Description
Technical field:
The utility model relates to the air-conditioning system field, specifically is a kind of gas-liquid separator that is used to separate gaseous refrigerant and liquid refrigerant.
Background technology:
The main effect of gas-liquid separator is that gaseous refrigerant and liquid refrigerant in the low-pressure low-temperature gas-liquid two-phase cold-producing medium that will get back to before the compressor return air pipe separated in air-conditioning system, make gaseous refrigerant get back to compressor by the escape pipe of gas-liquid separator, isolated liquid refrigerant then is stored in the gas-liquid separator, makes the lubricating oil that is deposited on gas-liquid separator bottom or the cold-producing medium liquid level take back compressor through the spill port that is located on the escape pipe with gaseous refrigerant simultaneously.Like this, just can prevent liquid hammer, cold-producing medium that compressor is subjected to liquid refrigerant too much and in the dilution compressor oil, system lubricating oil can not return compressor and the phenomenon of oil starvation takes place, keep the operational efficiency of system and the pasta in the crankcase.
The gas-liquid separator of Fig. 1 for using in the conventional air-conditioning system, as shown in the figure, this gas-liquid separator comprise the housing 1 of sealing ', place the feed tube 2 of housing 1 ' interior ' and escape pipe 3 '.Escape pipe 3 ' be U type, along place housing 1 ' in.Two spill ports that are used for absorbing lubricating oil of this escape pipe 3 ' be provided with: one be located at escape pipe 3 ' the sidewall of bottom on, diameter is 1mm～1.5mm, be first spill port 3.1 ', this first spill port 3.1 ' import department be equipped with second screen pack 4 '; Another be located near escape pipe 3 ' the sidewall of the port of export on, diameter is 0.5mm～1mm, be second spill port 3.2 '.
Along with the variation of air-conditioning system running status, the liquid level position of liquid refrigerant and lubricating oil constantly changes in the gas-liquid separator.Under full load situation, in the gas-liquid separator amount of liquid refrigerant seldom, grease accumulation then carries back compressor by first spill port by gaseous refrigerant in the bottom of gas-liquid separator; When underrun, liquid refrigerant is in a high position, and lubricating oil also is in a high position, and lubricating oil just can utilize second spill port to return compressor like this.And when air-conditioning compressor is frequency-changeable compressor; liquid level position in the gas-liquid separator changes frequent; liquid level position appears between first spill port and second spill port through regular meeting; because lubricating oil density is less than refrigerant density, the lubricating oil that is suspended in liquid level then can not in time be got back to compressor.
In sum, the oil return scope of the gas-liquid separator of prior art is narrower.
The utility model content:
The technical problems to be solved in the utility model is: the gas-liquid separator that a kind of wide oil return scope is provided.
For solving the problems of the technologies described above, the utility model adopts a kind of like this gas-liquid separator: it comprises the housing of sealing, the feed tube that is positioned at housing and escape pipe, the bottom of described escape pipe is provided with first spill port, the port of export of described escape pipe is provided with second spill port, also be provided with one the 3rd spill port on the described escape pipe at least, the 3rd spill port is between first spill port and second spill port.
After adopting above structure, the utility model compared with prior art, have the following advantages: owing to also be provided with one the 3rd spill port at least on the described escape pipe, the 3rd spill port is between first spill port and second spill port, when the liquid level position in the gas-liquid separator appears between first spill port and second spill port, lubricating oil just can be taken back to compressor with gaseous refrigerant through the 3rd spill port, effectively increased the oil return scope of lubricating oil in the gas-liquid separator, gas-liquid separator promptly of the present utility model has wide oil return scope.
As preferably, described the 3rd spill port is one, and one is optimal number, can satisfy the oil return requirement, and processing is simple again.Described in addition the 3rd spill port is positioned at the centre of first spill port and second spill port, and this position also is an optimal location, and liquid level is near the probability maximum in this position in the gas-liquid separator.
As improvement, the port of export of described escape pipe also is provided with the inverted U escape pipe, described inverted U escape pipe and escape pipe are connected as a single entity, the port of export of described inverted U escape pipe stretches out downwards outside the bottom of housing, the extension tube attached that is connected with the port of export of inverted U escape pipe just can be walked pipe from the below of gas-liquid separator like this, has saved installing space.
As further improvement, because feed tube tilts to be installed on the sidewall of housing along the tangential direction of housing sidewall, the port of export of feed tube down, the two phase refrigerant that flows into along feed tube just can enter from the tangential direction of housing sidewall in the gas-liquid separator on the one hand, under the double action of centrifugal force and gravity, effectively improved the separating effect of gas-liquid separator, the extension tube attached that is connected with the arrival end of feed tube can be walked pipe from the below of gas-liquid separator on the other hand, has saved installing space.
As further improvement, because the upper end of housing also is provided with first screen pack that filters liquid refrigerant, wherein the arrival end of escape pipe protrudes upward outside first screen pack, the port of export of feed tube is positioned at the below of first screen pack in addition, effectively improved the separating effect of gas-liquid separator, the gaseous refrigerant of separating needs just can enter in the escape pipe after the filtration of first screen pack, has avoided liquid refrigerant to get back to compressor with the gaseous refrigerant of separating.
Description of drawings:
Fig. 1 is the sectional structure schematic diagram of the gas-liquid separator of prior art.
Fig. 2 is the sectional structure schematic diagram of gas-liquid separator of the present utility model.
Fig. 3 is the plan structure schematic diagram of the gas-liquid separator shown in Fig. 2.
Shown in the prior art figure: 1 ', housing, 2 ', feed tube, 3 ', escape pipe, 3.1 ' the first spill ports, 3.2 ', second spill port, 3.3 ', the 3rd spill port, 4 ', second screen pack.
Shown in the utility model figure: 1, housing, 2, feed tube, 3, escape pipe, 3.1, first spill port, 3.2, second spill port, the 3.3, the 3rd spill port, 4, the inverted U escape pipe, 5, first screen pack, 6, second screen pack.
The specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As Fig. 2 is the sectional structure schematic diagram of gas-liquid separator of the present utility model, has mainly shown the internal structure of gas-liquid separator.Fig. 3 is the plan structure schematic diagram of the gas-liquid separator shown in Fig. 2, mainly is in order to show the installation site of feed tube 2.
As shown in Figure 2, gas-liquid separator of the present utility model, it comprises housing 1, the feed tube 2 that is positioned at housing 1 and the escape pipe 3 of a sealing.Escape pipe 3 is the U type, along placing in the housing 1, also can cry along U type escape pipe.This escape pipe 3 is provided with three spill ports that are used to absorb lubricating oil: one of them is located at the sidewall of the bottom of escape pipe 3, and diameter is 1mm～1.5mm, is first spill port 3.1, and the import department of this first spill port 3.1 is equipped with second screen pack 6; Another is opened near on the sidewall of the port of export, and diameter is 0.5mm～1mm, is second spill port 3.2; Last is positioned at first spill port 3.1 and second spill port 3.2 centre vertically, and diameter is 0.5mm～1mm, is the 3rd spill port 3.3.
Along with the variation of air-conditioning system running status, the flow of cold-producing medium constantly changes in the refrigeration system, and liquid refrigerant and lubricating oil liquid level position constantly change in the gas-liquid separator.When full load situation, in the gas-liquid separator amount of liquid refrigerant seldom, grease accumulation is in the bottom, then carries back compressor by first spill port 3.1 by gaseous refrigerant; When underrun, liquid refrigerant is in a high position, and lubricating oil also is in a high position, and lubricating oil just can utilize second spill port 3.2 to return compressor like this; When operation at part load, liquid refrigerant mediates, and lubricated pasta also mediates, and lubricating oil can return compressor by the 3rd spill port 3.3 of centre like this.Compared with prior art, the 3rd spill port 3.3 is provided with the oil return scope that has increased gas-liquid separator.
As shown in Figure 2, because the top installing space of gas-liquid separator is limited, the port of export of escape pipe 3 also is provided with inverted U escape pipe 4, inverted U escape pipe 4 is connected as a single entity with escape pipe 3, the port of export of inverted U escape pipe 4 stretches out downwards outside the bottom of housing 1, the extension tube attached that is connected with the port of export of inverted U escape pipe 4 also can be walked pipe from the below of gas-liquid separator like this, has saved the installing space of gas-liquid separator equally.
As shown in Figure 2, feed tube 2 tilts to be installed in along the tangential direction of the sidewall of housing 1 on the sidewall of housing 1 (seeing Fig. 3 for details), and the port of export of feed tube 2 down.The two phase refrigerant that flows into along feed tube 2 just can enter in the gas-liquid separator from the tangential direction of the sidewall of housing 1 so on the one hand, under the double action of centrifugal force and gravity, effectively improved the separating effect of gas-liquid separator, on the other hand because the top installing space of gas-liquid separator is limited, feed tube 2 tilts to be installed on the sidewall of housing 1 along the tangential direction of the sidewall of housing 1 after, the extension tube attached that is connected with the arrival end of feed tube 2 just can be walked pipe from the below of gas-liquid separator, has fully saved the installing space of gas-liquid separator.
As shown in Figure 2, the upper end of housing 1 also is provided with first screen pack 5 that is used to filter liquid refrigerant, and this first screen pack 5 is a multistorey strainer mesh, and filter effect is relatively good.And the below that the port of export of feed tube 2 is positioned at first screen pack 5 (as can be seen from the figure, in fact feed tube 2 integral body all are positioned at the below of first screen pack 5), the arrival end of escape pipe 3 protrudes upward outside first screen pack 5, after needing earlier through the filtration of first screen pack 5, the gaseous refrigerant that gas-liquid separator separates is come out just continues upwards to flow into the arrival end of escape pipe 3 like this, avoided liquid refrigerant to flow in the escape pipe 3 with gaseous refrigerant, and finally got back to compressor with the gaseous refrigerant of separating.
Below only just the preferred plan of the utility model embodiment is described, but can not be interpreted as it is restriction claim.The utility model not only is confined to above embodiment; its concrete structure allows multiple variation; as the quantity that is located at the 3rd spill port 3.3 on the escape pipe 3 is except one; it can also be two, three etc.; the position of other the 3rd spill port 3.3 is except being positioned at first spill port 3.1 and second spill port 3.2 centre vertically; can also be between first spill port 3.1 and second spill port 3.2, as long as the variation in these claims is all within protection domain of the present utility model.
Claims (5)
1. gas-liquid separator, it comprises the housing (1) of sealing, the feed tube (2) that is positioned at housing (1) and escape pipe (3), the bottom of described escape pipe (3) is provided with first spill port (3.1), the port of export of described escape pipe (3) is provided with second spill port (3.2), it is characterized in that: also be provided with one the 3rd spill port (3.3) on the described escape pipe (3) at least, the 3rd spill port (3.3) is positioned between first spill port (3.1) and second spill port (3.2).
2. gas-liquid separator according to claim 1 is characterized in that: described the 3rd spill port (3.3) is one, and the 3rd spill port (3.3) is positioned at the centre of first spill port (3.1) and second spill port (3.2).
3. gas-liquid separator according to claim 1, it is characterized in that: the port of export of described escape pipe (3) also is provided with inverted U escape pipe (4), described inverted U escape pipe (4) is connected as a single entity with escape pipe (3), and the port of export of described inverted U escape pipe (4) stretches out downwards outside the bottom of housing (1).
4. gas-liquid separator according to claim 1 is characterized in that: described feed tube (2) tilts to be installed on the sidewall of housing (1) along the tangential direction of the sidewall of housing (1), and the port of export of described feed tube (2) down.
5. gas-liquid separator according to claim 1, it is characterized in that: the upper end of described housing (1) also is provided with first screen pack (5) that filters liquid refrigerant, the arrival end of described escape pipe (3) protrudes upward outside first screen pack (5), and the port of export of described feed tube (2) is positioned at the below of first screen pack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202605449U CN201731696U (en) | 2010-07-16 | 2010-07-16 | Gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202605449U CN201731696U (en) | 2010-07-16 | 2010-07-16 | Gas-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731696U true CN201731696U (en) | 2011-02-02 |
Family
ID=43522853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202605449U Expired - Lifetime CN201731696U (en) | 2010-07-16 | 2010-07-16 | Gas-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731696U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759223A (en) * | 2011-04-28 | 2012-10-31 | 青岛海信日立空调系统有限公司 | Oil balancing control system of air conditioning unit |
| CN108007005A (en) * | 2017-11-08 | 2018-05-08 | 西安交通大学 | Flash evaporation refrigeration system, the refrigerator and its control method with the refrigeration system |
| CN113175771A (en) * | 2021-03-30 | 2021-07-27 | 三花控股集团有限公司 | Gas-liquid separator |
| CN113251701A (en) * | 2021-06-15 | 2021-08-13 | 王雪峰 | Modularized magnetic suspension centrifugal vapor compression circulation cold water heat pump unit |
-
2010
- 2010-07-16 CN CN2010202605449U patent/CN201731696U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759223A (en) * | 2011-04-28 | 2012-10-31 | 青岛海信日立空调系统有限公司 | Oil balancing control system of air conditioning unit |
| CN108007005A (en) * | 2017-11-08 | 2018-05-08 | 西安交通大学 | Flash evaporation refrigeration system, the refrigerator and its control method with the refrigeration system |
| CN108007005B (en) * | 2017-11-08 | 2019-10-29 | 西安交通大学 | Flash evaporation refrigeration system, the refrigerator with the refrigeration system and its control method |
| CN113175771A (en) * | 2021-03-30 | 2021-07-27 | 三花控股集团有限公司 | Gas-liquid separator |
| CN113251701A (en) * | 2021-06-15 | 2021-08-13 | 王雪峰 | Modularized magnetic suspension centrifugal vapor compression circulation cold water heat pump unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee after: NINGBO AUX ELECTRIC CO., LTD. Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo AUX Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110202 |