CN203672008U - Gas-liquid separator for freon refrigerating plant - Google Patents
Gas-liquid separator for freon refrigerating plant Download PDFInfo
- Publication number
- CN203672008U CN203672008U CN201320864928.5U CN201320864928U CN203672008U CN 203672008 U CN203672008 U CN 203672008U CN 201320864928 U CN201320864928 U CN 201320864928U CN 203672008 U CN203672008 U CN 203672008U
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- liquid separator
- gas
- refrigerating plant
- lubricating oil
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 239000003507 refrigerant Substances 0.000 claims abstract description 57
- 239000010687 lubricating oil Substances 0.000 claims abstract description 26
- 239000002826 coolant Substances 0.000 claims description 16
- 239000010726 refrigerant oil Substances 0.000 abstract description 6
- 239000003921 oil Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides a gas-liquid separator for a freon refrigerating plant. By means of the gas-liquid separator for the freon refrigerating plant, resistance loss of refrigerant in the separator can be reduced. The gas-liquid separator for the freon refrigerating plant comprises a cylinder of the gas-liquid separator, a refrigerant inlet pipe group and a refrigerant outlet pipe group, wherein the refrigerant inlet pipe group allows the refrigerant mixed with lubricating oil to flow into the cylinder, and the refrigerant outlet pipe group is used for extracting gaseous refrigerant and lubricating oil in the cylinder and comprises an outlet connection pipe, a straight pipe section extending downwards, an elbow pipe part and a straight pipe section extending upwards. The outlet connection pipe, the straight pipe section extending downwards, the elbow pipe part and the straight pipe section extending upwards are connected in sequence, and an oil return hole is formed in the elbow pipe part. The gas-liquid separator for the freon refrigerating plant is characterized in that a refrigerant return hole is formed in the outlet connection pipe.
Description
Technical field
The utility model relates to refrigerating plant gas-liquid separator.
Background technology
Conventionally, in freon refrigerating plant, except the four large critical pieces such as necessary compressor, condenser, throttling arrangement, evaporimeter, also to there be some auxiliary equipment, separate and collection, security protection etc. with purification, lubricating oil with the storage, the separation that realize freon, to improve the condition of work of refrigerating plant, ensure to run well, improve the economical of operation.Wherein, operated by rotary motion gas-liquid separator between compressor and evaporimeter, gas-liquid separator will separate from the drop in the low-pressure steam of evaporator outlet, prevent even liquid hit phenomenon of compressor generation Wet Compression, simultaneously, in freon from evaporator outlet, carry lubricating oil secretly, in gas-liquid separator, lubricated oil droplet is separated and is stored in bottom separator together with liquid refrigerants, if this part lubricating oil water conservancy diversion is not entered in compressor, will make compressor lack lubricating oil cisco unity malfunction and the major accident such as even burn.
As shown in Figure 1, traditional gas-liquid separator comprises to the refrigerant inflow pipe 102 of cylindrical shell 101 interior water conservancy diversion two-phase refrigerant and lubricating oil, the refrigerant discharge pipe 103 of gaseous coolant and lubricating oil in extraction body.Wherein, for the lubricating oil water conservancy diversion that is stored in separator bottom is entered to compressor, need to separator bottom will be extended under gaseous coolant discharge pipe, and then on be extended down to separator top, and in discharge pipe bottom, oil return aperture 104 is set, gaseous coolant must, to be not less than the flow rate of a certain rated value, could be carried lubricating oil secretly to compressor discharge pipe 103 is interior, and pressure compensation opening 105 is positioned at the straight length to downward-extension of discharge pipe 103.Therefore, refrigerant discharge pipe is too large because flow restriction causes caliber not select, meanwhile, and in separator, discharge line elbow part is a lot, pipeline is very long, and these shortcomings all cause refrigerant in separator, to produce very large drag losses, causes compressor air suction ability to decline, and then refrigerating plant refrigerating capacity is declined, refrigerating efficiency reduces, and the refrigerating capacity of air conditioner refrigerating unit declines, and power consumption rises.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of freon refrigerating plant gas-liquid separator, and its refrigerant is reduced at the drag losses of separator inside.
For solving the problems of the technologies described above, the utility model provides a kind of freon refrigerating plant gas-liquid separator, comprises the cylindrical shell of gas-liquid separator, for the refrigerant inlet tube group that is mixed with lubricating oil refrigerant and flows into cylindrical shell itself; For extracting the refrigerant exit pipe group of body gaseous coolant and lubricating oil, refrigerant exit pipe group comprises successively the discharge connection that connects, to downward-extension straight length, bent tube section with upwards extend straight length, form spill port at bent tube section, be characterized in, on discharge connection, form refrigerant return-air hole.
Described freon refrigerating plant gas-liquid separator, its further feature is that described refrigerant return-air hole is circular, oval or square.
Gas-liquid separator cylindrical shell is realized lubricating oil, liquid refrigerants separates with gaseous coolant; Refrigerant inlet tube group is carried two-phase refrigerant and lubricating oil in gas-liquid separator cylindrical shell; Refrigerant exit pipe group middle outlet is taken over top and is opened refrigerant return-air hole; make the refrigerant of gaseous coolant in gas-liquid separator cylindrical shell directly discharge supervisor by refrigerant return-air hole; also liquid refrigerant and lubricating oil while having prevented compressor shutdown in gas-liquid separator are pushed back compressor simultaneously; the bent tube section of refrigerant exit pipe group arranges spill port, sucks compressor by slightly having the low-pressure gaseous refrigerant of the degree of superheat and lubricating oil.In sum, such device structure has ensured that lubricating oil is back to compressor in time, has realized again reduction gas-liquid separator drag losses, improves the object of refrigerating plant efficiency.
Refrigerant return-air hole has been opened on refrigerant exit pipe group top, makes most of gaseous coolant enter supervisor by refrigerant return-air hole and is inhaled into compressor.Simple in structure, without parts such as the elbow of pipeline increasing, system pipeline, also without any change, when gaseous coolant drag losses is significantly reduced, uses this Novel gas-liquid separator without changing pipeline and increasing any pipeline component, reduces costs.
In refrigerant escape pipe group to downward-extension straight length, bent tube section with upwards extend straight length it act as the lubricating oil of water conservancy diversion body bottom, and at BOP, spill port is set, gaseous coolant must, to be not less than the flow rate of a certain rated value, be carried lubricating oil smoothly secretly to compressor in pipe.
Brief description of the drawings
The above and other feature of the present utility model, character and advantage are by by becoming more obvious below in conjunction with the description of drawings and Examples, wherein:
Fig. 1 is that the schematic axle of existing freon refrigerating plant gas-liquid separator is surveyed view.
Fig. 2 is that the schematic axle of the freon refrigerating plant gas-liquid separator of an embodiment of the utility model is surveyed view.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with the multiple alternate manner that is different from this description; those skilled in the art can do similar popularization, deduction according to practical situations without prejudice to the utility model intension in the situation that, therefore should be with the content constraints of this specific embodiment protection domain of the present utility model.
It should be noted that these and follow-up other accompanying drawing are all only as example, it is not to draw according to the condition of equal proportion, and should be using this as the protection domain of the utility model actual requirement is construed as limiting.
As shown in Figure 2, in gas-liquid separator cylindrical shell 201, be provided with to the refrigerant inlet tube group 202 of carrying two-phase refrigerant and lubricating oil in cylindrical shell, for extracting the refrigerant exit pipe group 203 of body gaseous coolant and lubricating oil.Refrigerant inlet tube group 202, it is arranged on the middle part of gas-liquid separator.In refrigerant exit pipe group 203, comprise discharge connection 211,212, to downward-extension straight length 213, upwards extend straight length 215 and bent tube section 214, open refrigerant return-air hole 205 on discharge connection 211 tops, open spill port 204 at bent tube section 214.
Enter in gas-liquid separator cylindrical shell 201 by refrigerant inlet tube group 202 from the evaporimeter refrigerant that comprises two-phase refrigerant and lubricating oil out, because circulation area is large, refrigerant flow rate falls suddenly, make liquid refrigerants and lubricated oil droplet gravitate fall into gas-liquid separator bottom storage, the gaseous coolant being separated is by refrigerant exit pipe group 203 effluent gases liquid/gas separators, enter compressor by suction line, compared with conventional art gas-liquid separator, because refrigerant exit pipe group 203 discharge connection 211 tops have increased refrigerant return-air hole 205, part gaseous refrigerant enters supervisor from refrigerant return-air hole 205 and is inhaled into compressor, cause its return line to reduce bent tube section, the length of pipe of flowing through shortens, therefore drag losses is declined to a great extent.
Another part gaseous coolant enters from the upwards extension straight length 215 of the refrigerant exit pipe group 203 that is positioned at vapour liquid separator cylindrical shell 201 internal upper parts, during through bottom bent tube section 214, the lubricating oil that is stored in bottom is sucked and effluent gases liquid/gas separator, enter compressor by suction line, ensure normal work and the safe operation of compressor.
In refrigerant exit pipe group 203, gaseous coolant flow velocity is not less than rated value, to ensure that managing interior refrigerant flow rate can normally carry lubricating oil secretly.
It should be noted that, refrigerant return-air hole 205 is not equal to the pressure compensation opening 105 shown in Fig. 1, pressure compensation opening 105 cannot be realized in fact refrigerant and enter into discharge pipe 103, and the opening diameter of refrigerant return-air hole 205 is greater than pressure compensation opening 105, in the situation that guaranteeing gaseous coolant flow velocity, can also import the gaseous coolant in cylindrical shell 201.
Although the utility model with preferred embodiment openly as above, it is not for limiting the utility model, and any those skilled in the art, not departing from spirit and scope of the present utility model, can make possible variation and amendment.Therefore, every content that does not depart from technical solutions of the utility model, any amendment, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, within all falling into the protection domain that the utility model claim defines.
Claims (2)
1. freon refrigerating plant gas-liquid separator, comprises the cylindrical shell of gas-liquid separator, for the refrigerant inlet tube group that is mixed with lubricating oil refrigerant and flows into cylindrical shell; For extracting the refrigerant exit pipe group of body gaseous coolant and lubricating oil, refrigerant exit pipe group comprises successively the discharge connection that connects, to downward-extension straight length, bent tube section with upwards extend straight length, form spill port at bent tube section, it is characterized in that, on discharge connection, form refrigerant return-air hole.
2. freon refrigerating plant gas-liquid separator as claimed in claim 1, is characterized in that, described refrigerant return-air hole is circular, oval or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864928.5U CN203672008U (en) | 2013-12-25 | 2013-12-25 | Gas-liquid separator for freon refrigerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864928.5U CN203672008U (en) | 2013-12-25 | 2013-12-25 | Gas-liquid separator for freon refrigerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672008U true CN203672008U (en) | 2014-06-25 |
Family
ID=50968296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320864928.5U Expired - Lifetime CN203672008U (en) | 2013-12-25 | 2013-12-25 | Gas-liquid separator for freon refrigerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168165A (en) * | 2018-02-13 | 2018-06-15 | 天津商业大学 | A kind of fluorine refrigeration system gas-liquid oil eliminator |
| CN114777365A (en) * | 2022-04-21 | 2022-07-22 | 浙江三花智能控制股份有限公司 | Gas-liquid separator and air conditioning system thereof |
-
2013
- 2013-12-25 CN CN201320864928.5U patent/CN203672008U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168165A (en) * | 2018-02-13 | 2018-06-15 | 天津商业大学 | A kind of fluorine refrigeration system gas-liquid oil eliminator |
| CN114777365A (en) * | 2022-04-21 | 2022-07-22 | 浙江三花智能控制股份有限公司 | Gas-liquid separator and air conditioning system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |