CN107940820A - Oil separating device, condenser and refrigerating plant - Google Patents
Oil separating device, condenser and refrigerating plant Download PDFInfo
- Publication number
- CN107940820A CN107940820A CN201711391597.7A CN201711391597A CN107940820A CN 107940820 A CN107940820 A CN 107940820A CN 201711391597 A CN201711391597 A CN 201711391597A CN 107940820 A CN107940820 A CN 107940820A
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- CN
- China
- Prior art keywords
- oil
- air inlet
- length
- separating device
- discharge orifice
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
Abstract
The present invention relates to a kind of oil separating device, condenser and refrigerating plant.Wherein, oil separating device includes oil housing and homogenizing plate, oil housing has air inlet, homogenizing plate is arranged in oil housing, homogenizing plate is equipped with multiple equal discharge orifices, air inlet is arranged on the position of the centre position biasing in oil shell length direction, and it is respectively the first length L that homogenizing plate, which corresponds to air inlet in the length of oil housing upper offset side and the total open area of equal discharge orifice,1With the first perforated area S1, homogenizing plate is respectively the second length L corresponding to air inlet total open area of the length of not offset side and equal discharge orifice on oil housing2With the second perforated area S2, the second perforated area S2With the first perforated area S1Ratio be more than the second length L2With the first length L1Ratio：S2/S1>L2/L1.The present invention considers flow resistance difference of the refrigerant by oil eliminator both sides so that oil eliminator interior flow field is evenly distributed, and oil effect is good.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of oil separating device, condenser and refrigerating plant.
Background technology
One of the four big components of condenser as water-cooling screw rod unit, its effect is to discharge compressor in kind of refrigeration cycle
High temperature and high pressure gaseous refrigerant be condensed into high pressure medium temperature liquid refrigerant.In unit actual motion, into condenser except pressure
The air-liquid mixed state refrigerant of the high temperature and pressure of contracting machine discharge, also carry a large amount of lubricating oil.If this parts of lubricating oil is accumulated
In condenser, return compressor is not separated, can not only weaken the exchange capability of heat of condenser, also results in compressor because lacking
Lack oil lubrication and damage, system can not continue, safe operation.
At present, unit ensures the heat exchange efficiency of system and continues the reliable of safe operation to solve the problems, such as lubricating oil
Property, generally use oil separating device, to carry out Oil-gas Separation to the gas-liquid mixed state fluid that compressor excludes using it, after separation
Gaseous refrigerant enter condenser, lubricating oil then directly returns to compressor, can so avoid lubricating oil from entering condenser.
To achieve the purpose that oil, oil eliminator is built in condenser by existing unit, and air inlet is located on housing
Axially upper setting position is in centre in portion, and after air inlet enters in oil eliminator cavity, air-flow is divided into two stocks and does not flow to refrigerant
Both sides.Air-flow is flowed from the equal discharge orifice in homogenizing plate afterwards, is then formed with tube bank through returning again to housing after vapour-liquid filter screen
Cavity in exchange heat, the oil separated is flowed out from oil outlet after oil-recovery tank aggregation.
This structure common problem is：
Firstth, the position that air inlet is set in housing upper axial direction is located on both sides of the middle not in centre.Different
Entrance location, refrigerant are different by the flow resistance of oil eliminator both sides, and air inlet is axially relative to intermediate bias
Distance is bigger, and the flow resistance difference of both sides is bigger, is cut by the gaseous coolant containing lubricating oil of vapour-liquid filter screen in level
On face flow velocity differ greatly, flow distribution it is uneven, vapour-liquid filter screen is not reasonably utilized, and oil effect is poor；
Secondth, the homogenizing plate perforate size arrangement mode of air inlet both sides is single, causes refrigerant in built-in oil eliminator
Portion's Flow Field Distribution is not uniformly distributed, by the gaseous coolant containing lubricating oil of vapour-liquid filter screen on horizontal cross-section flow skewness
Even, vapour-liquid filter screen is not reasonably utilized, and oil effect is poor.
The content of the invention
To overcome above technological deficiency, the technical problem to be solved by the present invention is to provide a kind of oil separating device, condenser and
Refrigerating plant, it is possible to increase oil effect.
In order to solve the above technical problems, the present invention provides a kind of oil separating device, it includes oil housing and homogenizing plate,
Oil housing has air inlet, and homogenizing plate is arranged in oil housing, and homogenizing plate is equipped with multiple equal discharge orifices, and air inlet is arranged on
The position of the centre position biasing in oil shell length direction, homogenizing plate correspond to length of the air inlet in oil housing upper offset side
The total open area of degree and equal discharge orifice is respectively the first length L1With the first perforated area S1, homogenizing plate is corresponding to air inlet in oil
The total open area of the length of not offset side and equal discharge orifice is respectively the second length L on housing parts2With the second perforated area S2, the
Two perforated area S2With the first perforated area S1Ratio be more than the second length L2With the first length L1Ratio：S2/S1>L2/L1。
Further, the first perforated area S1=(1-K × e) r × S；Second perforated area S2=K × e × r × S, wherein,
K is corrected parameter, K ＞ 1；E is biasing rate, e=L2/(L2+L1)；Speed enters the inlet air flow at air inlet than r for gaseous coolant
Fast v1The mean flow rate v for passing through homogenizing plate with gaseous coolant2Ratio, r=v1/v2；S is the aperture area of air inlet.
Further, the scope of biasing rate e is 1/2 ＜ e ＜ 2/3；The scope of corrected parameter K is：1.1≤K≤1.4.
Further, the aperture d of multiple discharge orifices is incremented by successively on the length direction away from air inlet.
Further, homogenizing plate has multiple cloth porose areas, and aperture d of the equal discharge orifice in same cloth porose area is equal, Duo Gebu
The aperture d of equal discharge orifice is incremented by successively on the length direction away from air inlet in porose area.
Further, each cloth porose area area equation.
Further, adjacent equal discharge orifice is equally arranged, the length spacing of adjacent equal discharge orifice in the longitudinal direction
For m=5~40mm, the width spacing of adjacent equal discharge orifice in the direction of the width is n=5~40mm.
Further, the aperture d of equal discharge orifice is in arithmetic progression on the length direction away from air inlet in multiple cloth porose areas
It is incremented by successively.
Further, the initial value of the aperture d of equal discharge orifice is 3~10mm, and equal difference is 1~6mm.
Further, adjacent equal discharge orifice is in the direction of the width and is staggeredly arranged.
Present invention also offers a kind of condenser, it includes above-mentioned oil separating device
The present invention has further related to a kind of refrigerating plant, it includes above-mentioned condenser.
Thus, based on above-mentioned technical proposal, oil separating device of the present invention by equal discharge orifice the biasing side of homogenizing plate and it is non-partially
The perforated area for putting side carries out preset ratio setting according to corresponding length ratio, it is contemplated that refrigerant passes through oil eliminator both sides
Flow resistance difference so that oil eliminator interior flow field is evenly distributed, and oil effect is good.Condenser provided by the invention and refrigeration fill
Putting also correspondingly has above-mentioned advantageous effects.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is only used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the horizontal schematic cross-sectional view of oil separating device embodiment of the present invention；
Fig. 2 is longitudinal schematic cross-sectional view at A-A positions in Fig. 1；
Fig. 3 is the horizontal schematic cross-sectional view at B-B positions in Fig. 1；
Fig. 4 is the structure diagram of one embodiment of homogenizing plate in oil separating device of the present invention；
Fig. 5 is the structure diagram of another embodiment of homogenizing plate in oil separating device of the present invention.
Each reference numeral represents respectively：
1st, air inlet；2nd, sealing plate；3rd, upper mounted plate；4th, oil housing；5th, vapour-liquid filter screen；6th, bottom plate；7th, flow
Plate；71st, equal discharge orifice；8th, oil baffle；9th, oil outlet；10th, oil-recovery tank.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
The embodiment of the present invention is for the ease of the design to the present invention, the technical problem solved, forms skill
The technical characteristic of art scheme and the technique effect brought have further description.It should be noted that for these embodiment party
The explanation of formula does not form limitation of the invention.In addition, the technology involved in the embodiment of present invention described below is special
As long as sign does not form conflict and is mutually combined each other.
In oil separating device one of the present invention schematically or in specific embodiment, as shown in FIG. 1 to 3, oil separation dress
Put including sealing plate 2, upper mounted plate 3, oil housing 4, vapour-liquid filter screen 5, bottom plate 6, homogenizing plate 7, oil baffle 8, oil outlet 9
And there is air inlet 1 on the sealing plate 2 of oil-recovery tank 10, oil housing 4, homogenizing plate 7 is arranged in oil housing 4, on homogenizing plate 7
Equipped with multiple discharge orifices 71, air inlet 1 is arranged on the position of the centre position biasing of 4 length direction of oil housing, and homogenizing plate 7 is right
In the length of 4 upper offset side of oil housing and the total open area of equal discharge orifice 71 should be respectively the first length L in air inlet 11With
First perforated area S1, homogenizing plate 7 correspond to air inlet 1 on oil housing 4 length of not offset side and equal discharge orifice 71 it is total
Perforated area is respectively the second length L2With the second perforated area S2, the second perforated area S2With the first perforated area S1Ratio
More than the second length L2With the first length L1Ratio：S2/S1>L2/L1。
In the schematical embodiment, equal discharge orifice 71 is corresponded to air inlet 1 by oil separating device of the present invention in homogenizing plate 7
The perforated area of biasing side and not offset side on oil housing 4 carries out preset ratio setting according to corresponding length ratio,
Consider flow resistance difference of the refrigerant by oil eliminator both sides so that oil eliminator interior flow field is evenly distributed, and passes through vapour-liquid
The gaseous coolant containing lubricating oil of filter screen 5 uniform flow distribution on horizontal cross-section, vapour-liquid filter screen 5 obtain rational profit
With oil effect is good.
It should be noted that side is biased in the present invention refers to that air inlet 1 is inclined in the centre position of 4 length direction of oil housing
Put the side in direction, not offset side refers to centre position biased direction opposite another of the air inlet 1 in 4 length direction of oil housing
Side.By taking the embodiment shown in Fig. 1 as an example, air inlet 1 biases to the left in the centre position of 4 length direction of oil housing, then left
Side is biasing side, and right side is not offset side.
Specifically or preferably, the first perforated area S1With the second perforated area S2It can be obtained according to equation below：
S1=(1-K × e) r × S；
S2=K × e × r × S
Wherein, K is corrected parameter, K ＞ 1；E is biasing rate, e=L2/(L2+L1)；Speed than r for gaseous coolant enter into
Induction air flow ratio v at gas port 11The mean flow rate v for passing through homogenizing plate 7 with gaseous coolant2Ratio, r=v1/v2, induction air flow ratio v1
With mean flow rate v2It can be set by actual conditions, specifically, v2=1m/s~6m/s, r=3~20；S is air inlet 1
Aperture area.
According to mass conservation law, the coolant quantity into air inlet is equal with the coolant quantity for discharging equal discharge orifice, i.e.,：v1×S
=v2×(S1+S2), by r=v1/v2It can draw：R × S=(S1+S2)；
By S2/S1>L2/L1It can draw：S2/(S1+S2) ＞ e=L2/(L1+L2), corrected parameter K ＞ 1 are set at this time, so that
Release：S2=K × (S1+S2) × e=K × e × r × S；Then obtain：S1=(1-K × e) r × S.
Preferably, the scope of corrected parameter K is：1.1≤K≤1.4.The scope of biasing rate e is 1/2 ＜ e ＜ 2/3, i.e., such as
Shown in Fig. 1, the amount of bias that air inlet 1 is arranged on the centre position biasing of 4 length direction of oil housing is x, and x values are 0 ＜ x ＜
(L1+L2)/6, by it was verified that such offset or dish can reduce flow resistance of the refrigerant in both sides to a certain extent
Difference, be the necessary condition that refrigerant is evenly distributed in oil eliminator interior flow field.
As the improvement to above-described embodiment, it is multiple discharge orifices 71 aperture d away from air inlet 1 length direction on according to
It is secondary incremental.It is real by setting d equal discharge orifices 71 incremented by successively in aperture on the length direction away from air inlet 1 on homogenizing plate 7
Verify it is bright can effectively ensure that oil eliminator interior flow field is evenly distributed, so as to improve oil effect.
As to the specific or preferred of above-described embodiment, as shown in figure 3, homogenizing plate 7 has multiple cloth porose area L1~L4, R1
~R8, aperture d of the equal discharge orifice 71 in same cloth porose area (such as R2) is equal, and the aperture d of equal discharge orifice 71 exists in multiple cloth porose areas
It is incremented by successively on length direction away from air inlet 1.Wherein it is preferred to each cloth porose area area equation, naturally it is also possible to not phase
Deng.Preferably, as shown in Figure 4 and Figure 5, adjacent equal discharge orifice 71 is equally arranged, adjacent equal discharge orifice 71 is in length direction
On length spacing be m=5~40mm, the width spacing of adjacent equal discharge orifice 71 in the direction of the width is n=5~40mm.
As to the specific or preferred of above-described embodiment, the aperture d of discharge orifice 71 is away from air inlet 1 in multiple cloth porose areas
Length direction in arithmetic progression it is incremented by successively.Specifically, the initial value of the aperture d of equal discharge orifice 71 is 3~10mm, and equal difference is
1~6mm.Certainly, equal discharge orifice 71 can be equal in the equal difference of biasing side and the equal difference of not offset side, can not also be equal.
Biasing side and not offset side for homogenizing plate, its hole number of rows of each cloth porose area in the longitudinal direction is 3~20
Between.
As an alternative preferred embodiment, as shown in figure 4, adjacent equal discharge orifice 71 is in stagger in the direction of the width
Arrangement, the time-proven embodiment can also obtain preferable oil effect.
Present invention also offers a kind of condenser, it includes above-mentioned oil separating device.Due to oil separating device of the present invention
Oil effect can be improved, correspondingly, condenser of the present invention also has above-mentioned advantageous effects, and details are not described herein.
Present invention also offers a kind of refrigerating plant, it includes above-mentioned condenser.Since condenser of the present invention can carry
High oil content effect, correspondingly, condenser of the present invention also have above-mentioned advantageous effects, also repeat no more herein.
Above in association with embodiment be described in detail for embodiments of the present invention, but the present invention is not limited to be retouched
The embodiment stated.For a person skilled in the art, in the case where not departing from the principle of the present invention and connotation
These embodiments are carried out with a variety of changes, modification, equivalence replacement and modification to still fall within protection scope of the present invention.
Claims (12)
- A kind of 1. oil separating device, it is characterised in that including oil housing (4) and homogenizing plate (7), oil housing (4) tool There is air inlet (1), the homogenizing plate (7) is arranged in the oil housing (4), and the homogenizing plate (7) is flowed equipped with multiple Hole (71), the air inlet (1) is arranged on the position of the centre position biasing of oil housing (4) length direction, described equal Flowing plate (7) correspond to the air inlet (1) oil housing (4) the upper offset side length and it is described discharge orifice (71) it is total Perforated area is respectively the first length L1With the first perforated area S1, the homogenizing plate (7) is corresponding to the air inlet (1) in institute It is respectively the second length L to state the total open area of the length of not offset side and the discharge orifice (71) on oil housing (4)2With Two perforated area S2, the second perforated area S2With the first perforated area S1Ratio be more than the second length L2With the first length L1Ratio Value：S2/S1>L2/L1。
- 2. oil separating device according to claim 1, it is characterised in that the first perforated area S1=(1-K × e) r × S；The Two perforated area S2=K × e × r × S, wherein, K is corrected parameter, K ＞ 1；E is biasing rate, e=L2/(L2+L1)；Speed ratio r Enter the induction air flow ratio v at the air inlet (1) place for gaseous coolant1Mean flow with gaseous coolant by the homogenizing plate (7) Fast v2Ratio, r=v1/v2；S is the aperture area of the air inlet (1).
- 3. oil separating device according to claim 2, it is characterised in that the scope of biasing rate e is 1/2 ＜ e ＜ 2/3；Repair The scope of positive parameter K is：1.1≤K≤1.4.
- 4. oil separating device according to claim 1, it is characterised in that the aperture d of the multiple discharge orifice (71) is remote It is incremented by successively on length direction from the air inlet (1).
- 5. oil separating device according to claim 1, it is characterised in that the homogenizing plate (7) has multiple cloth porose areas, institute State that aperture d of the equal discharge orifice (71) in the same cloth porose area is equal, the aperture d of equal discharge orifice (71) exists in the multiple cloth porose area It is incremented by successively on length direction away from the air inlet (1).
- 6. oil separating device according to claim 5, it is characterised in that each cloth porose area area equation.
- 7. oil separating device according to claim 5, it is characterised in that the adjacent discharge orifice (71) equally cloth Put, the adjacent length spacing of discharge orifice (71) in the longitudinal direction is m=5~40mm, the adjacent equal discharge orifice (71) width spacing in the direction of the width is n=5~40mm.
- 8. oil separating device according to claim 5, it is characterised in that the hole of equal discharge orifice (71) in the multiple cloth porose area Footpath d is incremented by successively in arithmetic progression on the length direction away from the air inlet (1).
- 9. oil separating device according to claim 8, it is characterised in that the initial value of the aperture d of discharge orifice (71) For 3~10mm, equal difference is 1~6mm.
- 10. oil separating device according to claim 1, it is characterised in that the adjacent discharge orifice (71) is in width side It is in be staggeredly arranged upwards.
- 11. a kind of condenser, it is characterised in that including claim 1~10 any one of them oil separating device.
- 12. a kind of refrigerating plant, it is characterised in that including the condenser described in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391597.7A CN107940820A (en) | 2017-12-21 | 2017-12-21 | Oil separating device, condenser and refrigerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391597.7A CN107940820A (en) | 2017-12-21 | 2017-12-21 | Oil separating device, condenser and refrigerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940820A true CN107940820A (en) | 2018-04-20 |
Family
ID=61940969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391597.7A Pending CN107940820A (en) | 2017-12-21 | 2017-12-21 | Oil separating device, condenser and refrigerating plant |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065695A (en) * | 2001-08-24 | 2003-03-05 | Mitsubishi Heavy Ind Ltd | Condenser for refrigerating machine |
| CN104567132A (en) * | 2015-01-20 | 2015-04-29 | 珠海格力电器股份有限公司 | Fluid baffle structure and air conditioning equipment evaporator |
| CN104833140A (en) * | 2015-05-29 | 2015-08-12 | 珠海格力电器股份有限公司 | Heat exchanging device and oil return type condenser |
| CN204718194U (en) * | 2015-05-19 | 2015-10-21 | 麦克维尔空调制冷(武汉)有限公司 | A kind of flooded evaporator |
| CN105387652A (en) * | 2015-11-26 | 2016-03-09 | 珠海格力电器股份有限公司 | Liquid homogenizing board for flooded evaporator and flooded evaporator |
| CN105605945A (en) * | 2015-12-30 | 2016-05-25 | 赵炜 | Heat exchanger with triangular through holes different in bottom side lengths |
| CN207649174U (en) * | 2017-12-21 | 2018-07-24 | 珠海格力电器股份有限公司 | Oil separating device, condenser and refrigerating plant |
-
2017
- 2017-12-21 CN CN201711391597.7A patent/CN107940820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065695A (en) * | 2001-08-24 | 2003-03-05 | Mitsubishi Heavy Ind Ltd | Condenser for refrigerating machine |
| CN104567132A (en) * | 2015-01-20 | 2015-04-29 | 珠海格力电器股份有限公司 | Fluid baffle structure and air conditioning equipment evaporator |
| CN204718194U (en) * | 2015-05-19 | 2015-10-21 | 麦克维尔空调制冷(武汉)有限公司 | A kind of flooded evaporator |
| CN104833140A (en) * | 2015-05-29 | 2015-08-12 | 珠海格力电器股份有限公司 | Heat exchanging device and oil return type condenser |
| CN105387652A (en) * | 2015-11-26 | 2016-03-09 | 珠海格力电器股份有限公司 | Liquid homogenizing board for flooded evaporator and flooded evaporator |
| CN105605945A (en) * | 2015-12-30 | 2016-05-25 | 赵炜 | Heat exchanger with triangular through holes different in bottom side lengths |
| CN207649174U (en) * | 2017-12-21 | 2018-07-24 | 珠海格力电器股份有限公司 | Oil separating device, condenser and refrigerating plant |
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