CN206207821U - Gas-liquid separator and refrigerating system - Google Patents
Gas-liquid separator and refrigerating system Download PDFInfo
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- CN206207821U CN206207821U CN201621265401.0U CN201621265401U CN206207821U CN 206207821 U CN206207821 U CN 206207821U CN 201621265401 U CN201621265401 U CN 201621265401U CN 206207821 U CN206207821 U CN 206207821U
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- liquid separator
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- 239000007788 liquid Substances 0.000 title claims abstract description 161
- 239000003507 refrigerant Substances 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 239000010687 lubricating oil Substances 0.000 claims description 50
- 239000002826 coolant Substances 0.000 claims description 33
- 239000000314 lubricant Substances 0.000 claims description 32
- 239000003921 oil Substances 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 claims description 13
- 238000005461 lubrication Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001050 lubricating effect Effects 0.000 abstract 9
- 230000002411 adverse Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model relates to a vapour and liquid separator and refrigerating system, wherein, vapour and liquid separator includes the casing and establishes the lubricating medium suction structure in the casing, be equipped with mutually independent first region (A) and second region (B) in the casing, lubricating medium suction structure is located second region (B), realize gas-liquid separation after first region (A) is constructed to make the gas-liquid mixture medium get into first region (A), and make liquid lubricating medium and liquid refrigerant separation through gravity layering effect, so that the lower liquid lubricating medium of density gets into second region (B) and supplies lubricating medium suction structure to absorb. The gas-liquid separator can enable the equipment connected with the lubricating medium suction structure to obtain more liquid lubricating media, and improve the lubricating performance of the equipment; meanwhile, the possibility that the sucked lubricating medium contains liquid refrigerant is reduced, and the adverse effect of the liquid refrigerant on the equipment is eliminated as much as possible.
Description
Technical field
The utility model is related to gas-liquid separation technical field, more particularly to a kind of gas-liquid separator and refrigeration system.
Background technology
It is easy for installation to be particularly well-suited to middle-size and small-size business, medium-to-high grade residence district because multi-connected machine, module machine cold are moderate
More and more many with the heating of villa cooling, including the residential central air- installation consumption of popular, quality problems frequently go out therewith
It is existing.The smaller gas-liquid separation for being difficult to meet whole system of gas-liquid separator specification is carried in view of these type compressors design need
Ask, designer's all external gas-liquid separator of optional equipment substantially.
Gas-liquid separator of the prior art typically uses structure type as depicted in figs. 1 and 2, including housing 3a,
Inlet pipe 1a and outlet pipe 2a is provided with housing 3a, outlet pipe 2a takes the shape of the letter U, oil return is provided near the position of housing 3a inner bottom surfaces in outlet pipe 2a
Mouth 4a, U-shaped outlet pipe 2a ensure the mounting stability of itself by reinforcing plate 5a.
If this kind of gas-liquid separator is connected at compressor inlet, in normal work, gaseous coolant, liquid are cold
, by inlet pipe 1a into gas-liquid separation is realized in housing 3a, gaseous coolant is entered by outlet pipe 2a for matchmaker, three kinds of mixtures of lubricating oil
To in compressor, liquid is gathered in the bottom of housing 3a, and the compressor that will be remained in by oil return opening 4a in evaporator is moistened
During lubricating oil comes back to compressor by pressure differential with the flowing of gaseous coolant.
But from the point of view of according to existing gas-liquid separator service condition, at low ambient temperatures, lubricating oil is special because of its limited dissolving
Property and refrigerant can produce obvious lamination, and generally because the relatively low meeting of lubrication oil density is in the upper of liquid refrigerants
Layer, so forms oil-poor area (being mainly liquid refrigerants), top and forms rich oil area and (predominantly moisten in the middle bottom of housing 3a
Lubricating oil).The bottom of gas-liquid separator is opened in due to oil return opening 4a, will now be there is liquid refrigerants to enter from oil return opening 4a and be compressed
Machine, and few lubricating oil return to compressor and perform refrigerating function.
As can be seen here, be there may be in equipment low temperature places restarting, low-frequency operation, defrost pattern handoff procedure short
When fuel feeding it is not enough, suction temperature reduction even has the danger that liquid hammer occurs, and the compressor life-span will necessarily have an impact after long-term use.
Utility model content
The purpose of this utility model is to propose a kind of gas-liquid separator and refrigeration system, can as far as possible eliminate existing gas-liquid point
The problem of deficiency is sucked back from the liquid lubricant medium of device.
To achieve the above object, the utility model first aspect provides a kind of gas-liquid separator, including housing and is located at
Lubricant medium in the housing draws structure, and separate first area and second area is provided with the housing, described
Lubricant medium is drawn structure and is located in the second area, and it is described that the first area is constructed such that gas-liquid mixed media enters
Gas-liquid separation is realized behind first area, and being acted on by gravitational separation separates liquid lubricant medium and liquid refrigerants, so that close
The relatively low liquid lubricant medium of degree enters the second area and draws structure absorption for the lubricant medium.
Further, structure also is drawn including gaseous coolant, it is cold for drawing the gaseous state that in gas-liquid mixed media separate
Matchmaker, the lubricant medium is drawn structure setting and is drawn in structure in the gaseous coolant, to realize being drawn in the gaseous coolant
Structure draws the liquid lubricant medium for by gravitational separation separate while drawing gaseous coolant.
Further, the gaseous coolant draws structure includes that arrival end is located at the housing upper region and the port of export is stretched
Go out the outlet pipe of the housing, be provided near the position of the housing bottom in the outlet pipe and draw structure as the lubricant medium
Oil return opening.
Further, structure also is drawn including gas-liquid mixed media, for by described in outside gas-liquid mixed media suction
In housing, the port of export that the gas-liquid mixed media draws structure is corresponding with the first area.
Further, the gas-liquid mixed media absorption structure stretches out the housing including arrival end and the port of export is located at institute
The inlet pipe in housing is stated, the port of export of the inlet pipe extends close to the position of the inner walls.
Further, also including dividing plate, the dividing plate is located on the inner bottom surface of the housing, and by the bottom in the housing
Portion space is divided into the first area and the second area.
Further, the dividing plate is constructed such that the first area and the second area are arranged side by side.
Further, the dividing plate is located at the medium position of the housing inner bottom surface, makes the first area and described
Two regions are symmetrical.
Further, including inlet pipe and outlet pipe, the inlet pipe and the outlet pipe are parallel to each other and are handed over relative to the dividing plate
Mistake is set.
Further, also including external heating device, for providing heat to promote liquid cold to the gas-liquid separator
Matchmaker is evaporated.
To achieve the above object, the utility model second aspect provides a kind of refrigeration system, including above-described embodiment institute
The gas-liquid separator stated.
Based on above-mentioned technical proposal, gas-liquid separator of the present utility model sets the firstth separate area in housing
Domain and second area, and lubricant medium absorption structure is located in second area, gas-liquid mixed media is realized into first area
After gas-liquid separation, the gravitational separation of liquid lubricant medium and liquid refrigerants can be realized, so that the relatively low liquid lubrication of density is situated between
Matter enters second area, liquid lubricant medium to be concentrated on be easier in second area and draws structure absorption by lubricant medium, enters
And the equipment that lubricant medium absorption structure is connected is obtained in that more liquid lubricant mediums, so as to improve the profit of the equipment
Slip energy；Sea can reduce the possibility with liquid refrigerants in the lubricant medium drawn simultaneously, and liquid refrigerants is eliminated as far as possible to this
The harmful effect of equipment.
Brief description of the drawings
Accompanying drawing described herein is used for providing being further understood to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the internal structure schematic diagram of gas-liquid separator in the prior art；
Fig. 2 is the top view of gas-liquid separator shown in Fig. 1；
Fig. 3 is the internal structure schematic diagram of one embodiment of the utility model gas-liquid separator；
Fig. 4 is the top view of gas-liquid separator shown in Fig. 3.
Description of reference numerals
1a, inlet pipe；2a, outlet pipe；3a, housing；4a, oil return opening；5a, reinforcing plate；
1st, inlet pipe；2nd, outlet pipe；3rd, upper lid；4th, the first installing plate；5th, cylinder；6th, the second installing plate；7th, lower cover；8th, oil return
Mouthful；9th, reinforcing plate；10th, dividing plate；11st, vertical portion；12nd, kink；13rd, horizontal part；A, first area；B, second area.
Specific embodiment
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The each side for so limiting can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferred or favourable any feature one or more can be considered as preferred or favourable spy with other
Levy combination.
The term descriptions merely for convenience such as " first ", " second " occurred in the utility model, to distinguish with identical
The different building blocks of title, are not offered as priority or primary-slave relation.
In description of the present utility model, employ " on ", D score, the orientation of the instruction such as " left side " and " right side " or position relationship
It is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model, rather than instruction or hint institute
The device of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
The limitation of protection domain.
For prior art gas-liquid separator the problems of in low-temperature working, inventor notices that appearance is this
Problem main reason is that, gas-liquid mixed media into after carrying out gas-liquid separation in housing, lubricating oil and liquid refrigerants due to
Density is different and be layered so that the lubricating oil in upper strata is difficult to concentrate on the oil return opening location in housing bottom
Domain.Lamination can occur using the medium of different densities, improved though of the present utility model is：In lubricating oil and liquid refrigerants
After layering, lubricating oil is focused on a certain specific region, and oil return opening is arranged in the region, be achieved in low temperature bar
Also can reliable oil return under part.
A schematical embodiment of the utility model gas-liquid separator, the gas-liquid point are given with reference to Fig. 3 and Fig. 4
Include that housing and the lubricant medium that is located in housing draw structure from device, separate first area A and the is provided with housing
Two region B, lubricant medium is drawn structure and is located in second area B.First area A is constructed such that gas-liquid mixed media enters
Gas-liquid separation is realized after one region A, and being acted on by gravitational separation separates liquid lubricant medium and liquid refrigerants, so that density
Relatively low liquid lubricant medium enters second area B and draws structure absorption for lubricant medium, and is supplied to lubricant medium to draw knot
The equipment that structure is connected is used, and liquid refrigerants is stayed in and gradually evaporated in the A of first area.Wherein, liquid lubricant medium can be
Lubricating oil etc., gas-liquid mixed media may include the gas-liquid mixture of the refrigerants such as lubricating oil, ammonia or freon.
Preferably, in order to promote the liquid refrigerants accumulated in the A of first area to evaporate as early as possible, external heat dress also can be set
Put, for providing heat to promote liquid refrigerants to evaporate to gas-liquid separator, so that improving lubricant medium draws structure liquid draw
The reliability of state lubricant medium, into bad so as to be produced to the equipment for connecting in second area B when preventing liquid refrigerants excessive
Influence.
For example, in refrigeration system (such as air-conditioning system), gas-liquid separator is connected to compressor air suction mouthful end, with
The equipment that lubricant medium absorption structure is connected is compressor, and after gas-liquid separator realizes gas-liquid separation, gaseous coolant enters
Enter compressor, lubrication or cooling are realized in also adding to compressor again by the lubricant medium that lubricant medium draws structure absorption.
During the embodiment of the present utility model by liquid lubricant medium by concentrating on second area B, lubrication can be made to be situated between
Matter draws structure and easily draws more liquid lubricant mediums, even if placing restarting, low-frequency operation, defrost mould in low temperature
Also can guarantee that liquid lubricant medium is reliably returned in compressor in formula handoff procedure, so as to improve the lubricity of compressor
Energy.For the ease of description, the equipment that each embodiment given below is all connected with gas-liquid separator as compressor is given, but
The technical characteristic and effect be given in these embodiments are also applied for the situation that gas-liquid separator connects miscellaneous equipment.
Separate first area A and second area B are additionally, since by liquid lubricant medium and liquid refrigerants subregion,
Lubricant medium can be reduced and draw the possibility with liquid refrigerants in the lubricant medium that structure is drawn, inhaled in compressor operating
When entering the gaseous coolant with certain degree of superheat, it is not easy to there is liquid refrigerants to be drawn structure absorption and entered by lubricant medium suddenly
Compressor, the phenomenon of temperature drop, reduces compressor air suction after avoiding liquid refrigerants to cause to mix with gaseous coolant blending as far as possible
There is larger fluctuation in temperature, so as to improve the stability of compressor operating, and prevents compressor from the danger of liquid hammer occurring.These are excellent
Point can improve the service life of compressor.
In order to make gaseous coolant enter compressor after gas-liquid separation, gas-liquid separator of the present utility model also includes
Gaseous coolant draws structure, and compressor is entered for drawing the gaseous coolant in gas-liquid mixed media separate, and lubricant medium is inhaled
Take structure setting to be drawn in structure in gaseous coolant, drawn with realizing being drawn while structure draws gaseous coolant in gaseous coolant
The liquid lubricant medium for by gravitational separation separate.
Lubricant medium is drawn into structure to be that it is possible to lubricate liquid with the advantage of gaseous coolant absorption structure assembly design
Medium enters compressor together with the return of gaseous coolant, and gaseous coolant is situated between during compressor is entered for liquid lubricates
The flowing of matter provides power, can simplify the structure of gas-liquid separator.In other structures form, lubricant medium draw structure with
Gaseous coolant is drawn structure and can be also independently arranged.
Preferably, as shown in figure 3, gaseous coolant draws structure includes that arrival end is located at housing upper region and the port of export is stretched
Go out the outlet pipe 2 of housing, the oil return opening 8 as lubricant medium absorption structure is provided near the position of housing bottom in outlet pipe 2.With it is existing
There is the gas-liquid separator in technology shown in Fig. 1 to compare, oil return opening 8 is moved to the area of the side that keeps left from the zone line of housing bottom
Domain.
Due to after gas-liquid separation, gaseous coolant because density smaller part is in the upper space in housing, by entering for outlet pipe 2
The upper position that mouth end is located in housing is conducive to drawing gaseous coolant, after gaseous coolant enters outlet pipe 2 with certain speed, leads to
The port of export into the air entry of compressor is crossed, at the same time, liquid refrigerants and liquid lubricant medium realize weight in the A of first area
Force stratification, liquid lubricant medium enters second area B and enters outlet pipe 2 from oil return opening 8 after layering, with the flowing of gaseous coolant
Together into compressor with realize lubrication.
Further, in order to prevent from damaging compressor with impurity in the liquid lubricant medium for returning, can also be in oil return
Screen pack is set at mouth 8.
In order to make the gas-liquid mixed media in refrigeration system in evaporator enter in gas-liquid separator, the utility model
Gas-liquid separator also include that gas-liquid mixed media draws structure, for by outside gas-liquid mixed media suction casing, gas
The port of export that liquid blending agent draws structure is corresponding with first area A, so that position of the gas-liquid mixed media above the A of first area
Put and realize gas-liquid separation, so that the mixture of liquid lubricant medium and liquid refrigerants falls directly into realizes weight in the A of first area
Force stratification, is prevented from liquid refrigerants and enters in second area B.
Preferably, gas-liquid mixed media absorption structure stretches out housing and inlet pipe of the port of export in housing including arrival end
1, the port of export of inlet pipe 1 extends close to the position of inner walls.Gas-liquid mixed media from evaporator outflow is by inlet pipe 1
Arrival end enters, and with certain speed from port of export outflow (this flow velocity is conventional system rate of circulating flow), lubricates liquid and be situated between
Matter and liquid refrigerants shooting inner walls face, kinetic energy rejection increase, and are conducive to for this part kinetic energy being converted into interior energy and make liquid cold
Matchmaker's shwoot；And the local heat exchange coefficient of liquid refrigerants and shell wall side is enhanced while shooting, it is also beneficial to refrigerant
Evaporation；Other shooting effect expands the parting surface of mixture, contributes to gaseous coolant from liquid refrigerants and liquid lubricant medium
In emerge.
As one preferred embodiment of the utility model, in order to set in housing separate first area A and
Second area B, as shown in Figure 3 and Figure 4, gas-liquid separator may also include dividing plate 10, and dividing plate 10 is located on the inner bottom surface of housing, and
Bottom space in housing is at least divided into first area A and second area B.Liquid refrigerants and liquid lubricant medium are first
In the A of region after layering, if liquid surface height is more than the height of dividing plate 10, liquid lubricant medium then can cross dividing plate 10 and enter
Enter second area B.
Alternatively, first area A can also be the region being provided separately within housing, and above second area B, such as
The volume of fruit liquefied mixture exceeds the corresponding volumes of first area A, and the liquid lubricant medium on upper strata can then spill over second area B
In.Liquid lubricant medium can also set guide structure and moisten liquid in addition to entering second area B by way of overflowing
Sliding medium is guided to second area B from first area A.
In the structure type that housing inner bottom surface sets dividing plate 10, dividing plate 10 is constructed such that first area A and the secondth area
Domain B is arranged side by side, and in fig. 4, first area A is located at housing right side, and second area B is located at housing left side.Preferably, dividing plate 10
The medium position of housing inner bottom surface is located at, makes first area A and second area B symmetrical, can so prevented due to the firstth area
Domain A volumes are too small and cause to make liquid refrigerants also into second area B in work process, can also prevent due to first area A
Volume is excessive and causes liquid lubricant medium that second area B is still cannot be introduced into after being accumulated by the long period.Wherein, dividing plate
10 to be set along the vertical direction of housing be preferably mode.
On this basis, the specific setting form of a kind of inlet pipe 1 and outlet pipe 2 is given.Wherein, as shown in figure 3, inlet pipe 1 is wrapped
Include vertical portion 11, kink 12 and the horizontal part 13 being sequentially connected, one end of vertical portion 11 is stretched out as entering from the top of housing
The arrival end of pipe 1, kink 12 and horizontal part 13 are located in housing, and the free end of horizontal part 13 is prolonged as the port of export of inlet pipe 1
Extend near the position of the corresponding inner walls of first area A.Outlet pipe 2 takes the shape of the letter U, and the arrival end of outlet pipe 2 is upper in housing
Portion, the port of export stretches out from the top of housing.In order to ensure the reliability that outlet pipe 2 is fixed, by reinforcing plate 9 by two of outlet pipe 2
Arm carries out spacing.
With reference to Fig. 4, inlet pipe 1 and outlet pipe 2 can be parallel to each other interval setting, and, inlet pipe 1 and outlet pipe 2 are perpendicular to dividing plate
10 is to be preferable to provide mode.
Further, inlet pipe 1 and outlet pipe 2 are staggered relative to dividing plate 10.It is staggered and be embodied in structure,
Inlet pipe 1 and outlet pipe 2 deviate dividing plate 10 and set in opposite directions, i.e., the port of export of inlet pipe 1 compared with the port of export of outlet pipe 2 more
Near first area A corresponding inner walls, the arrival end of outlet pipe 2 is compared with the arrival end of inlet pipe 1 closer to second area B pairs
The inner walls answered.It is staggered and is primarily due to the port of export of inlet pipe 1 closer to the internal face of housing, in order to increase into pipeline
The overall symmetry of arrangement, the internal face of the arrival end of outlet pipe 2 also relatively close housing, so that symmetry is consistent, is conducive to life
Produce and later stage assembling.In addition, if inlet pipe 1 is integrally provided in the A of first area, outlet pipe 2 is integrally provided in second area B
It is interior, also it is also feasible implementation in principle.
Alternatively, in other structure types, dividing plate 10 can also be the cylinder-like structure for being located at housing inner bottom surface, will
Be located at oil return opening 8 in the region as second area B by the region inside dividing plate 10, while by the outside of dividing plate 10 and shell
Between the annular region that is formed as first area A, liquid lubricant medium realizes gravitational separation with liquid refrigerants in the region.
In the gas-liquid separator of different purposes different models, can be to the height L1 of dividing plate 10 and the height of gas-liquid separator
Degree L2 selects different values, it is possible to increase the adaptability of this kind of gas-liquid separator.Specifically, the phase of dividing plate 10 and gas-liquid separator
System refrigerant circulation and liquid lubricant medium adding amount are mainly considered height parameter.If dividing plate 10 designs too high, compression
During the normal oil return of machine, there is that more liquid lubricant medium is poly- to have the right side of dividing plate 10, in order to ensure compressor oil return reliability, entirely
System liquid lubricant medium adding amount increased cost just than larger；The excessive heat exchanging device coefficient of heat transfer of oil mass has unfavorable simultaneously
Influence.If dividing plate 10 designs too low, the effect that liquid lubricant medium reliably returns to liquid impact prevention relative will weaken, and hold during low temperature
Liquid refrigerants is tended to have to overflow across dividing plate 10 and enter second area B.
Additionally, the installation of inlet pipe 1 and outlet pipe 2 for convenience, is the structure type of split preferably by housing design.Housing
Including upper lid 3, cylinder 5 and lower cover 7, the arrival end of inlet pipe 1 and the port of export of outlet pipe 2 stretch out from upper lid 3.In assembling, can be with
After inlet pipe 1 and outlet pipe 2 are installed in place, then upper lid 3 is fastened.Further, can also be at the position up and down of housing exterior walls
The first installing plate 4 and the second installing plate 6 are respectively provided with, in order to realize that gas-liquid separator is arranged on compressor or other are consolidated
Determine on pedestal.
The operation principle of the utility model gas-liquid separator is illustrated with reference to Fig. 3 and Fig. 4.
In normal operating conditions, there is no liquid refrigerants in gas-liquid separator, from the gaseous state lubricant medium that evaporator is returned
Along inner walls surface current to bottom first area A positions, treat the liquid lubricant medium product of first area A it is full after from every
Plate 10 spills into second area B, and by oil return opening 8 smoothly returns to compressor.
In the case of particular job, for example low temperature places restarting, low-frequency operation, defrost pattern handoff procedure or steaming
Hair device evaporates incomplete etc., liquid refrigerants is contained in gas-liquid separator, because the port of export of inlet pipe 1 is corresponding with first area A, then
After gas-liquid separation is carried out, liquid refrigerants and liquid lubricant medium flow to the firstth area to gas-liquid mixed media along the internal face of housing
In the A of domain, because the density of liquid lubricant medium is less than liquid refrigerants, liquid lubricant medium is with liquid refrigerants in the A of first area
Realize gravitational separation.
As the liquid refrigerants and liquid lubricant medium that enter are on the increase, superposed liquid lubricant medium can pass through
Dividing plate 10 overflows to second area B, so that liquid lubricant medium is concentrated in second area B, by the oil return in outlet pipe 2
Mouth 8 is returned in compressors, and is located at the liquid refrigerants slow evaporation in the A of first area, is greatly reduced oil return opening 8 and is entered liquid
The possibility of state refrigerant.
In addition, the utility model additionally provides a kind of refrigeration system, including the gas-liquid separator described in above-described embodiment.It is excellent
Selection of land, refrigeration system is air-conditioning system.Because the gas-liquid separator in this kind of refrigeration system can make liquid lubricant medium reliability
Return to compressor, the suction temperature for being also prevented from compressor is reduced suddenly, and reduce the possibility that liquid hammer occurs, because
And the compressor operating stabilization in the refrigeration system, with service life more long, so as to improve the reliability of refrigeration system work
Property and life-span.
A kind of gas-liquid separator provided by the utility model and refrigeration system are described in detail above.Herein
Apply specific embodiment to be set forth principle of the present utility model and implementation method, the explanation of above example is
It is used to help understand method of the present utility model and its core concept.It should be pointed out that for the ordinary skill people of the art
For member, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, this
A little improvement and modification are also fallen into the utility model scope of the claims.
Claims (11)
1. a kind of gas-liquid separator, it is characterised in that draw structure, institute including housing and the lubricant medium being located in the housing
State and separate first area (A) and second area (B) is provided with housing, the lubricant medium draws structure and is located at described the
In two regions (B), the first area (A) is constructed such that gas-liquid mixed media realizes gas after entering the first area (A)
Liquid is separated, and being acted on by gravitational separation separates liquid lubricant medium and liquid refrigerants, so that the relatively low liquid lubrication of density
Medium enters the second area (B) and draws structure absorption for the lubricant medium.
2. gas-liquid separator according to claim 1, it is characterised in that also structure is drawn including gaseous coolant, for inhaling
The gaseous coolant in gas-liquid mixed media separate is taken, the lubricant medium draws structure setting and draws knot in the gaseous coolant
On structure, the liquid for by gravitational separation separate is drawn to realize being drawn while structure draws gaseous coolant in the gaseous coolant
Lubricant medium.
3. gas-liquid separator according to claim 2, it is characterised in that the gaseous coolant draws structure includes arrival end
The outlet pipe (2) of the housing is stretched out positioned at the housing upper region and the port of export, near the housing bottom on the outlet pipe (2)
The position in portion is provided with the oil return opening (8) that structure is drawn as the lubricant medium.
4. gas-liquid separator according to claim 1, it is characterised in that also draw structure including gas-liquid mixed media, uses
Sucked in the housing in by outside gas-liquid mixed media, the gas-liquid mixed media draws the port of export of structure with described the
One region (A) correspondence.
5. gas-liquid separator according to claim 4, it is characterised in that the gas-liquid mixed media draw structure include into
The inlet pipe (1) that the housing and the port of export are located in the housing is stretched out at mouth end, and the port of export of the inlet pipe (1) is extended close to
The position of the inner walls.
6. gas-liquid separator according to claim 1, it is characterised in that also including dividing plate (10), the dividing plate (10) sets
On the inner bottom surface of the housing, and the bottom space in the housing is divided into the first area (A) and described second
Region (B).
7. gas-liquid separator according to claim 6, it is characterised in that the dividing plate (10) is constructed such that described first
Region (A) and the second area (B) are arranged side by side.
8. gas-liquid separator according to claim 7, it is characterised in that the dividing plate (10) is located at the housing inner bottom surface
Medium position, make the first area (A) and the second area (B) symmetrical.
9. gas-liquid separator according to claim 8, it is characterised in that including inlet pipe (1) and outlet pipe (2), the inlet pipe
(1) it is parallel to each other and is staggered relative to the dividing plate (10) with the outlet pipe (2).
10. gas-liquid separator according to claim 1, it is characterised in that also including external heating device, for described
Gas-liquid separator provides heat to promote liquid refrigerants to evaporate.
11. a kind of refrigeration systems, it is characterised in that including any described gas-liquid separator of claim 1~10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265401.0U CN206207821U (en) | 2016-11-21 | 2016-11-21 | Gas-liquid separator and refrigerating system |
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| CN201621265401.0U CN206207821U (en) | 2016-11-21 | 2016-11-21 | Gas-liquid separator and refrigerating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369899A (en) * | 2016-11-21 | 2017-02-01 | 珠海格力电器股份有限公司 | Gas-liquid separator and refrigerating system |
| CN112082294A (en) * | 2020-09-22 | 2020-12-15 | 浙江国祥股份有限公司 | Gas-liquid separator with vertical partition plate |
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2016
- 2016-11-21 CN CN201621265401.0U patent/CN206207821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369899A (en) * | 2016-11-21 | 2017-02-01 | 珠海格力电器股份有限公司 | Gas-liquid separator and refrigerating system |
| CN112082294A (en) * | 2020-09-22 | 2020-12-15 | 浙江国祥股份有限公司 | Gas-liquid separator with vertical partition plate |
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