CN203518370U - Gas-liquid separating device and refrigerating unit - Google Patents
Gas-liquid separating device and refrigerating unit Download PDFInfo
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- CN203518370U CN203518370U CN201320657690.9U CN201320657690U CN203518370U CN 203518370 U CN203518370 U CN 203518370U CN 201320657690 U CN201320657690 U CN 201320657690U CN 203518370 U CN203518370 U CN 203518370U
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- collecting
- separation device
- oil return
- liquid separation
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Abstract
The utility model provides a gas-liquid separating device and a refrigerating unit. The gas-liquid separating device comprises a collecting container, a plurality of gas return pipes, a plurality of gas outlet pipes and a plurality of oil return pipes. The collecting container comprises a collecting cavity, at least one partition plate is arranged in the collecting cavity, and the collecting cavity is divided into a plurality of collecting areas by the partition plates; the gas return pipes are connected with the collecting container and are in one-to-one correspondence with the various collecting areas; the gas outlet pipes are connected with the collecting container and are in one-to-one correspondence with the various collecting areas; the oil return pipes are in one-to-one correspondence with the various collecting areas, one end of each oil return pipe is connected with the collecting container, and the other end of each oil return pipe is connected with the corresponding gas outlet pipe. The gas-liquid separating device and the refrigerating unit have the advantages that liquid refrigerants in the collecting cavity can be separated from one another by the partition plates, the gas outlet pipe in each collecting area only needs to carry out flash vaporization on the corresponding liquid refrigerants in the collecting area, the problem that flash vaporization cannot be completely carried out on large quantities of refrigerants which are fed into existing gas outlet pipes can be solved, accordingly, compressors can be effectively prevented from running under liquid carrying conditions, and normal operation of the refrigerating unit can be guaranteed.
Description
Technical field
The utility model relates to art of refrigeration units, more specifically, relates to a kind of gas-liquid separation device and refrigeration unit.
Background technology
In refrigeration unit, gas-liquid separation device is arranged between evaporimeter and compressor, for separating of not evaporating on a small quantity liquid refrigerants completely the refrigerant returning from evaporimeter, guarantees that compressor can not suck liquid refrigerants and cause the generation of liquid hit phenomenon.And large-scale refrigeration unit can arrange many group evaporimeters and compressor, the return-air of organizing evaporimeter all needs to enter in many group compressors by gas-liquid separation device more again.
Fig. 1 shows the schematic diagram that gas-liquid separation device of the prior art is connected with a plurality of compressors, a plurality of mufflers 20 are connected in a collecting chamber 11 in collection container 10, a plurality of escape pipes 30 are also connected to collecting chamber 11, from a plurality of mufflers 20, enter gas-liquid collecting chamber 11 and the mixture of lubricating oil mixes mutually, gaseous coolant enters compressor by escape pipe 30, liquid refrigerants and lubricating oil accumulate in the bottom of collection container 10, and enter a plurality of escape pipes 30 by total oil return pipe.Wherein, because the suction superheat of system is higher, liquid refrigerants is at the interior gaseous coolant that flashed into of escape pipe 30, and along with lubricating oil is delivered in compressor 100 by a plurality of escape pipes 30, wherein in liquid refrigerants shwoot process, meeting is absorbed heat from escape pipe 30.
But, if while only having 100 operation of minority compressor, or evaporimeter returns liquid when serious, a large amount of liquid refrigerants is easily concentrated and is siphoned away by the oil return pipe 40 being connected with operating compressor 100, enter in the escape pipe 30 being connected with operating compressor 100 and carry out shwoot, but because flow quantity is excessive, a large amount of heat absorptions, cause escape pipe 30 degrees of superheat to reduce, follow-up liquid refrigerants is shwoot smoothly, these liquid refrigerants will flow in compressor 100, cause compressor 100 to become band liquid running status, compressor 100 traveling comforts and reliability have been reduced, even there is liquid hit phenomenon, serious damage compressor 100.
Utility model content
The utility model aims to provide a kind of gas-liquid separation device and refrigeration unit, easily concentrates and is siphoned away by part compressor in service, thereby cause the problem of compressor band liquid operation with the liquid refrigerants solving in the collection container of gas-liquid separation device of prior art.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of gas-liquid separation device, comprising: collection container, comprise collecting chamber, in collecting chamber, be provided with at least one dividing plate, dividing plate is divided into a plurality of collecting zones by collecting chamber; A plurality of mufflers, are connected with collection container, and arrange correspondingly with a plurality of collecting zones; A plurality of escape pipes, are connected with collection container, and arrange correspondingly with a plurality of collecting zones; A plurality of oil return pipes, a plurality of oil return pipes and a plurality of collecting zone arrange correspondingly, and one end of oil return pipe is connected with collection container, and the other end of oil return pipe is connected with escape pipe.
Further, dividing plate extends towards the top of collecting chamber from the bottom of collecting chamber, and the extended height of dividing plate is less than the vertical height of collecting chamber.
Further, the level height of the connectivity port of a plurality of escape pipes and collection container is higher than the level height of the bottom of collecting chamber.
Further, gas-liquid separation device also comprises a plurality of filters, and a plurality of filters are arranged in a plurality of oil return pipes correspondingly.
According to another aspect of the present utility model, a kind of refrigeration unit is also provided, comprise condenser, evaporimeter and a plurality of compressor, a plurality of compressors are to condenser air feed, and condenser is to evaporimeter feed flow, and evaporimeter is to a plurality of compressor feed flows; Refrigeration unit also comprises above-mentioned gas-liquid separation device, and a plurality of mufflers of gas-liquid separation device are connected with evaporimeter, and a plurality of escape pipes of gas-liquid separation device are connected with a plurality of compressors correspondingly.
Further, refrigeration unit also comprises lubricating oil separator, and lubricating oil separator comprises inlet end, exhaust end and oil revolving end, and inlet end is connected with the outlet side of a plurality of compressors, and exhaust end is connected with condenser, and oil revolving end is connected with a plurality of compressors.
Dividing plate is divided into a plurality of collecting zones by collecting chamber, wherein each collecting zone is provided with a muffler accordingly, the liquid refrigerants that enters collecting chamber from muffler like this will be limited in the collecting zone corresponding with this muffler, when only having the operation of Partial shrinkage machine, because the liquid refrigerants in collecting chamber can be separated by dividing plate, only there is the liquid refrigerants in the collecting zone corresponding with the compressor of operation to enter into corresponding escape pipe by oil return pipe, be that escape pipe in each collecting zone all only needs the liquid refrigerants of shwoot correspondence in this collecting zone, avoiding occurring refrigerant enters escape pipe in a large number and causes the situation of shwoot completely, can effectively avoid like this generation of compressor band liquid operation, assurance refrigeration unit is normally worked.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the connection diagram of gas-liquid separation device, compressor and lubricating oil separator in refrigeration unit of the prior art; And
Fig. 2 has schematically shown the connection diagram of gas-liquid separation device, compressor and lubricating oil separator in the refrigeration unit in the utility model.
Reference numeral in figure: 10, collection container; 11, collecting chamber; 12, dividing plate; 20, muffler; 30, escape pipe; 40, oil return pipe; 50, filter; 111, collecting zone; 100, compressor; 200, lubricating oil separator; 201, inlet end; 202, exhaust end; 203, oil revolving end.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
According to an aspect of the present utility model, provide a kind of gas-liquid separation device, as shown in Figure 2, this gas-liquid separation device comprises: collection container 10, comprise collecting chamber 11, be provided with at least one dividing plate 12 in collecting chamber 11, dividing plate 12 is divided into a plurality of collecting zones 111 by collecting chamber 11; A plurality of mufflers 20, are connected with collection container 10, and arrange correspondingly with a plurality of collecting zones 111; A plurality of escape pipes 30, are connected with collection container 10, and arrange correspondingly with a plurality of collecting zones 111; A plurality of oil return pipes 40, a plurality of oil return pipes 40 arrange correspondingly with a plurality of collecting zones 111, and one end of oil return pipe 40 is connected with collection container 10, and the other end of oil return pipe 40 is connected with escape pipe 30.
Preferably, dividing plate 12 extends towards the top of collecting chamber 11 from the bottom of collecting chamber 11, and the extended height of dividing plate 12 is less than the vertical height of collecting chamber 11.12 bottoms of blocking collecting chamber 11 of dividing plate, the top of collecting chamber 11 is still communicated with, from a plurality of mufflers 20, entering the gaseous coolant of collecting chamber 11 and gaseous coolant that liquid refrigerants evaporates like this can be by the interior circulation of collecting chamber 11, from any escape pipe 30, discharge, make gas-liquid separation device there is the effect of uniform distribution cold-producing medium simultaneously.
Preferably, the level height of the connectivity port of a plurality of escape pipes 30 and collection container 10 is higher than the level height of the bottom of collecting chamber 11.Because liquid refrigerants is gathered in the bottom of collecting chamber 11, so escape pipe 30 need to, higher than the liquid level of liquid refrigerants, be avoided excessive suction liquid refrigerants with the connectivity port of collection container 10.Preferably, the connectivity port of escape pipe 30 and collection container 10 is arranged on the top of collecting chamber 11.
Preferably, the level height of the connectivity port of oil return pipe 40 and escape pipe 30 is equal to or higher than the level height at the top of collecting chamber 11, makes the connectivity port of oil return pipe 40 and escape pipe 30 near the connectivity port of escape pipe 30 and collecting chamber 11.Oil return pipe 40 not only carries out flash distillation for liquid refrigerants being imported to escape pipe 30, also for separating of the lubricating oil being blended in refrigerant, separated lubricating oil enters escape pipe 30 through oil return pipe 40, finally enter compressor 100, owing to there being larger gas flow rate in escape pipe 30, make escape pipe 30 and oil return pipe 40 place, connectivity port pressure be less than the pressure of gas-liquid separation device bottom, by this pressure reduction, made the lubricating oil of bottom arrive escape pipe 30 places by oil return pipe 40, by escape pipe 30, get back in compressor.And the level height of the connectivity port of oil return pipe 40 and escape pipe 30 is equal to or higher than the level height at the top of collecting chamber 11, can avoid passing through a large amount of escape pipes 30 that flow into of oil return pipe 40 because law of connected vessels makes liquid refrigerants.
Preferably, gas-liquid separation device also comprises a plurality of filters, and a plurality of filters are arranged in a plurality of oil return pipes 40 correspondingly.Filter is not shown in Figure 2, but the filter 50 being arranged on oil return house steward has been shown in Fig. 1, because a plurality of oil return pipes 40 of the present utility model are independent settings, so be provided with a filter on each oil return pipe 40, the lubricating oil that gas-liquid separation device is flowed out filters, and prevents that impurity from entering compressor and causing adverse effect.
Preferably, gas-liquid separation device comprises four mufflers 20.So being divided into 20,4 escape pipes 30 of 111,4 mufflers of 4 collecting zones by 3 dividing plates 12 accordingly, collecting chamber 11 is connected with 4 collecting zones 111 correspondingly with 4 oil return pipes 40.
According to another aspect of the present utility model, a kind of refrigeration unit is also provided, and this refrigeration unit comprises condenser, evaporimeter and a plurality of compressor 100, and a plurality of compressors 100 are to condenser air feed, condenser is to evaporimeter feed flow, and evaporimeter is to a plurality of compressor 100 feed flows; Refrigeration unit also comprises above-mentioned gas-liquid separation device, and a plurality of mufflers 20 of gas-liquid separation device are connected with evaporimeter, and a plurality of escape pipes 30 of gas-liquid separation device are connected with a plurality of compressors 100 correspondingly.
Fig. 2 shows the annexation of gas-liquid separation device and the compressor of this refrigeration unit, when unit operation at part load, when only some compressor 100 moves, liquid refrigerants in the collecting zone 111 corresponding with operating compressor 100 of the collection container 10 of gas-liquid separation device can be slowly along with lubricating oil enters corresponding escape pipe 30 from oil return pipe 40, because the suction superheat of system is higher, liquid refrigerants enters escape pipe 30 and flashes into gaseous coolant, after shwoot, suck corresponding compressor 100, liquid refrigerants in other collecting zones 111 is because the shutdown of compressor corresponding thereto stops circulation, can not be inhaled into this escape pipe 30, in the time of so just effectively preventing due to 100 operation of Partial shrinkage machine, a large amount of liquid refrigerants in gas-liquid separation device enter in the escape pipe corresponding with moving compressor and can not be by whole shwoots, and cause thus a large amount of liquid refrigerants to be got back in compressor 100, thereby can guarantee the normal operation of refrigeration unit.
Preferably, as shown in Figure 2, refrigeration unit also comprises lubricating oil separator 200, lubricating oil separator 200 comprises inlet end 201, exhaust end 202 and oil revolving end 203, inlet end 201 is connected with the outlet side of a plurality of compressors 100, exhaust end 202 is connected with condenser, and oil revolving end 203 is connected with a plurality of compressors 100.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a gas-liquid separation device, is characterized in that, comprising:
Collection container (10), comprises collecting chamber (11), is provided with at least one dividing plate (12) in described collecting chamber (11), and described dividing plate (12) is divided into a plurality of collecting zones (111) by described collecting chamber (11);
A plurality of mufflers (20), are connected with described collection container (10), and arrange correspondingly with described a plurality of collecting zones (111);
A plurality of escape pipes (30), are connected with described collection container (10), and arrange correspondingly with described a plurality of collecting zones (111);
A plurality of oil return pipes (40), described a plurality of oil return pipe (40) arranges correspondingly with described a plurality of collecting zones (111), one end of described oil return pipe (40) is connected with described collection container (10), and the other end of described oil return pipe (40) is connected with described escape pipe (30).
2. gas-liquid separation device according to claim 1, it is characterized in that, described dividing plate (12) extends towards the top of described collecting chamber (11) from the bottom of described collecting chamber (11), and the extended height of described dividing plate (12) is less than the vertical height of described collecting chamber (11).
3. gas-liquid separation device according to claim 1, is characterized in that, the level height of the connectivity port of described a plurality of escape pipes (30) and described collection container (10) is higher than the level height of the bottom of described collecting chamber (11).
4. gas-liquid separation device according to claim 1, is characterized in that, described gas-liquid separation device also comprises a plurality of filters, and described a plurality of filters are arranged in described a plurality of oil return pipe (40) correspondingly.
5. a refrigeration unit, comprises condenser, evaporimeter and a plurality of compressor (100), and described a plurality of compressors (100) are to described condenser air feed, and described condenser is to described evaporimeter feed flow, and described evaporimeter is to described a plurality of compressors (100) feed flow; It is characterized in that, described refrigeration unit also comprises the gas-liquid separation device described in any one in claim 1 to 4, a plurality of mufflers (20) of described gas-liquid separation device are connected with described evaporimeter, and a plurality of escape pipes (30) of described gas-liquid separation device are connected with described a plurality of compressors (100) correspondingly.
6. refrigeration unit according to claim 5, it is characterized in that, described refrigeration unit also comprises lubricating oil separator (200), described lubricating oil separator (200) comprises inlet end (201), exhaust end (202) and oil revolving end (203), described inlet end (201) is connected with the outlet side of described a plurality of compressors (100), described exhaust end (202) is connected with described condenser, and described oil revolving end (203) is connected with described a plurality of compressors (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657690.9U CN203518370U (en) | 2013-10-23 | 2013-10-23 | Gas-liquid separating device and refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657690.9U CN203518370U (en) | 2013-10-23 | 2013-10-23 | Gas-liquid separating device and refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518370U true CN203518370U (en) | 2014-04-02 |
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ID=50377295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320657690.9U Expired - Lifetime CN203518370U (en) | 2013-10-23 | 2013-10-23 | Gas-liquid separating device and refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026253A1 (en) * | 2014-08-22 | 2016-02-25 | 珠海格力电器股份有限公司 | Flash tank and air conditioner having same |
| CN104567147B (en) * | 2013-10-23 | 2017-02-15 | 珠海格力电器股份有限公司 | Gas-liquid separation device and refrigerating unit |
-
2013
- 2013-10-23 CN CN201320657690.9U patent/CN203518370U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567147B (en) * | 2013-10-23 | 2017-02-15 | 珠海格力电器股份有限公司 | Gas-liquid separation device and refrigerating unit |
| WO2016026253A1 (en) * | 2014-08-22 | 2016-02-25 | 珠海格力电器股份有限公司 | Flash tank and air conditioner having same |
| US10234182B2 (en) | 2014-08-22 | 2019-03-19 | Gree Electric Appliances, Inc. Of Zhuhai | Flash tank and air conditioner having the same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |