CN100513940C - Centrifugal oil separator - Google Patents
Centrifugal oil separator Download PDFInfo
- Publication number
- CN100513940C CN100513940C CNB2004100201261A CN200410020126A CN100513940C CN 100513940 C CN100513940 C CN 100513940C CN B2004100201261 A CNB2004100201261 A CN B2004100201261A CN 200410020126 A CN200410020126 A CN 200410020126A CN 100513940 C CN100513940 C CN 100513940C
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- China
- Prior art keywords
- oil
- refrigerant gas
- oil drum
- branch
- compressor
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- Expired - Fee Related
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- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/02—Centrifugal separation of gas, liquid or oil
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- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The present invention relates to an oil separating machine, including oil separating barrel, suction conduit, refrigerant discharge conduit and engine oil discharge conduit. The refrigerant gas discharged out from compressor can be flowed into the oil separating barrel, said oil separating barrel is a space for separating engine oil contained in the refrigerant gas. Said invention also includes the components of compressor, condenser and oil separating device, etc. Said invention also provides the connection mode of all the components and its working principle.
Description
Technical field
The present invention relates to a kind of centrifugal oil separator.
Background technology
In general, heat pump type refrigerating, heating combined equipment comprise parts such as evaporimeter and condenser, when can be used as cold house device, by making the cold-producing medium reverse flow of kind of refrigeration cycle, also can be used as heating combined equipment and use.
In the above-mentioned cold house device with heat pump type refrigerating, heating combined equipment, have the compressor that cold-producing medium is circulated, and in this compressor,, use lubricating oil in order to guarantee the normal operation of compressor.
Work by above-mentioned compressor makes in the process that cold-producing medium circulates, and machine oil and cold-producing medium will be mixed with each other and discharge from above-mentioned compressor, therefore generally in outlet one side of compressor centrifugal oil separator is set, thereby isolates the machine oil that is included in the cold-producing medium.
Below in conjunction with accompanying drawing existing centrifugal oil separator is described.
As shown in Figure 1 and Figure 2, existing centrifugal oil separator comprises that branch oil drum 1, suction lead 2, cold-producing medium are discharged conduit 3, machine oil is discharged conduit 4.The refrigerant gas of discharging from the compressor (not shown) flows into branch oil drum 1.Oil drum 1 separated the machine oil that is included in the refrigerant gas in cylindric minute.One end of suction lead 2 is connected in above-mentioned minute oil drum 1, and the other end is connected with compressor, and the refrigerant gas that water conservancy diversion is discharged from above-mentioned compressor makes it flow into branch oil drum 1 inside.Cold-producing medium is discharged the top that conduit 3 is connected above-mentioned minute oil drum 1, and the refrigerant gas of water conservancy diversion after minute oil operation makes it be expelled to condenser (not shown) one side.Machine oil is discharged the bottom that conduit 4 is connected branch oil drum 1, makes the machine oil of separating from refrigerant gas be expelled to above-mentioned compressor one side again.
As shown in Figure 2, above-mentioned suction lead 2 is connected as far as possible on the position away from minute oil drum 1 center.
Because the outlet of above-mentioned suction lead 2 approaches the inner peripheral surface of branch oil drum 1, therefore by the refrigerant gas of suction lead 2 discharges, because of touching the inner peripheral surface of branch oil drum 1 after discharging immediately, its flow velocity can slow down.
Now the operation principle to existing centrifugal oil separator with said structure is described as follows.
Be compressed into the refrigerant gas of high-temperature high-pressure state through above-mentioned compressor, including under the state of a certain amount of machine oil, discharge and flow into the inside of branch oil drum 1 from compressor by suction lead 2.
Have again, be expelled to the refrigerant gas of branch oil drum 1 inner peripheral surface at a high speed by above-mentioned suction lead 2, by with the contacting of minute oil drum 1 inner peripheral surface, its flow velocity can slow down, thereby is included in that machine oil in the refrigerant gas is separated and drops down under the inner peripheral surface rotation of minute oil drum 1 from refrigerant gas.
Above-mentioned to flow into branch oil drum 1 by suction lead 2 inner and finish the refrigerant gas of the oily process of branch by the cyclone mode, discharges conduit 3 by the cold-producing medium that is arranged on branch oil drum 1 top, is expelled to condenser one side.From the machine oil that refrigerant gas is separated, discharge conduit 4 by the machine oil that is arranged on branch oil drum 1 bottom, be discharged in the compressor again.
But there are the following problems for above-mentioned existing centrifugal oil separator.Because refrigerant gas injects directly to the inner peripheral surface of branch oil drum by suction lead 2, therefore under the situation that the machine oil in being included in refrigerant gas is not separated fully, refrigerant gas is discharged conduit 3 by cold-producing medium and is expelled in the condenser.Thereby reduce the operating efficiency of refrigeration, heating combined equipment.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing centrifugal oil separator exists, the invention provides a kind of centrifugal oil separator, inner peripheral surface at minute oil drum, setting can improve the oily device of branch that centrifugal oil separator divides oily ability, thereby can make the refrigerant gas of discharging, be expelled in the condenser after the machine oil that is comprised is separated fully from compressor.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of centrifugal oil separator, comprise the branch oil drum, suction lead, cold-producing medium is discharged conduit, machine oil is discharged conduit, the refrigerant gas of discharging from compressor flows into the branch oil drum, dividing oil drum is being included in the space that the machine oil in the refrigerant gas separates, one end of suction lead is connected with dividing oil drum, the other end is connected with compressor, the refrigerant gas that water conservancy diversion is discharged from compressor, allow it flow into branch oil drum inside, cold-producing medium is discharged the top that conduit is connected the branch oil drum, and the refrigerant gas of water conservancy diversion after minute oil operation, allow it be expelled to condenser one side, machine oil is discharged conduit and is connected the bottom of branch oil drum, and makes the machine oil of separating from refrigerant gas be expelled to compressor one side, it is characterized in that, divide oily device to be arranged on the inner peripheral surface of described minute oil drum, by with the contacting of the refrigerant gas that flows into from described suction lead, separate the machine oil that is included in the described refrigerant gas, this divides oily device is staggered a plurality of machine oil contact groove.
This divides oily device also can be a plurality of machine oil contact projections, and the machine oil contact projection is vertical or horizontal rectangle.
Aforesaid centrifugal oil separator wherein divides oily device to be arranged on to be connected with described suction lead and divides the oil drum inner peripheral surface one side highly accordingly.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of existing centrifugal oil separator;
Fig. 2 is the cutaway view of I-I line shown in Figure 1;
Fig. 3 is the structural representation of first embodiment of the present invention centrifugal oil separator;
Fig. 4 is the cutaway view of II-II line shown in Figure 3;
Fig. 5 is the structural representation of second embodiment of the present invention centrifugal oil separator;
Fig. 6 is the cutaway view of III-III line shown in Figure 5;
Fig. 7 is the inner peripheral surface front schematic view of branch oil drum shown in Figure 6.
The number in the figure explanation:
10: divide oil drum 20: suction lead
30: cold-producing medium is discharged conduit 40: machine oil is discharged conduit
50: divide oily net 150: machine oil contact groove
The specific embodiment
As shown in Figure 3, Figure 4, the centrifugal oil separator of the first embodiment of the present invention comprises that branch oil drum 10, suction lead 20, cold-producing medium are discharged conduit 30, machine oil is discharged conduit 40, divided oily device.The refrigerant gas of discharging from the compressor (not shown) flows into branch oil drum 10, and oil drum 10 inside were being included in the space that the machine oil in the refrigerant gas separates in cylindric minute.One end of suction lead 20 is connected in above-mentioned minute oil drum 10, and the other end is connected in above-mentioned compressor, and the refrigerant gas that water conservancy diversion is discharged from above-mentioned compressor flows into it and divides oil drum 10 inside.Cold-producing medium is discharged the top that conduit 30 is connected in above-mentioned minute oil drum 10, and the refrigerant gas of water conservancy diversion after minute oil operation makes it be expelled to condenser (not shown) one side.Machine oil is discharged the bottom that conduit 40 is connected above-mentioned minute oil drum 10, makes the machine oil of separating from refrigerant gas be expelled to above-mentioned compressor one side.The oily device of branch is arranged on the inner peripheral surface of above-mentioned minute oil drum 10, and contacts with the refrigerant gas that flows into from suction lead 20, separates the machine oil that is included in the above-mentioned refrigerant gas.
The oily device of above-mentioned branch is the oily net 50 of branch that is arranged at branch oil drum 10 inner peripheral surfaces, and divides oily net 50 to be arranged at inner peripheral surface one side that suction lead 20 connects the branch oil drum 10 of height.
Above-mentioned suction lead 20 is connected as far as possible the position away from minute oil drum 10 centers, thereby the outlet of suction lead 20 can be arranged on the position of approaching above-mentioned minute oil drum 10 inner peripheral surfaces.Therefore, by the refrigerant gas that suction lead 20 is discharged, be injected into the oily net 50 of branch of branch oil drum 10 inner peripheral surfaces one side after discharging immediately.
Below, centrifugal oil separator operation principle of the present invention is described.
Be compressed into the refrigerant gas of high-temperature high-pressure state through above-mentioned compressor, including the inside of discharging and flow into branch oil drum 10 under the state of a certain amount of machine oil from compressor by suction lead 20.
Have, be expelled to the refrigerant gas of branch oil drum 10 inner peripheral surfaces by above-mentioned suction lead 20, by with minute oil drum 10 inner peripheral surfaces and be arranged on the contacting of the oily net 50 of branch of branch oil drum 10 inner peripheral surfaces, its flow velocity can slow down.Meanwhile, the machine oil that is included in the refrigerant gas can more easily be adsorbed, thereby the machine oil that is included in the refrigerant gas can be separated fully, and it is dropped down under the inner peripheral surface rotation of minute oil drum 10.
By above-mentioned cyclone mode, utilize the inner peripheral surface that divides oil drum 10 and divide oily net, the machine oil that is included in the refrigerant gas is separated fully.Then, refrigerant gas is discharged conduit 30 by the cold-producing medium that is arranged on branch oil drum 10 tops and be expelled to condenser one side.
From the machine oil that refrigerant gas is separated, discharge conduit 40 by the machine oil that is arranged on branch oil drum 10 bottoms, be expelled in the compressor again.
As Fig. 5, Fig. 6, shown in Figure 7, second embodiment of the invention, here substitute the oily net 50 of branch (seeing also Fig. 4) in the centrifugal oil separator of above-mentioned first embodiment, replace a plurality of machine oil contact grooves 150 that are arranged on branch oil drum 10 inner peripheral surfaces, thereby increase the contact-making surface with the refrigerant gas of discharging from suction lead 20.
In the centrifugal oil separator of the second embodiment of the present invention, a plurality of machine oil contact grooves 150 by being provided with at minute oil drum 10 inner peripheral surfaces increase suction lead 20 refrigerant gas of discharging and the contact-making surface that divides oil drum 10 inner peripheral surfaces.Therefore when reducing the refrigerant gas flow velocity, can make more lubricating oil be attracted to branch oil drum 10 inner peripheral surfaces, thereby can improve the oily ability of branch of centrifugal oil separator.
Also have,,, contact groove 150 (seeing also Fig. 7) with this machine oil that substitutes among second embodiment at the outstanding rectangle machine oil contact projection that forms of the inner peripheral surface of minute oil drum 10 (seeing also Fig. 5) with vertical or horizontal length though there is not expression in the accompanying drawing.Increase the refrigerant gas of suction lead 20 (seeing also Fig. 5) discharge and the contact-making surface of above-mentioned inner peripheral surface whereby.
The effect of invention
As mentioned above, the present invention arranges the oily device of branch by the inner peripheral surface at minute oil drum, thereby can separate Go out the machine oil that from the refrigerant gas that compressor is discharged, comprises, have and improve centrifugal oil separator and divide oily ability Effect.
Claims (2)
1, a kind of centrifugal oil separator comprises that branch oil drum, suction lead, cold-producing medium are discharged conduit, machine oil is discharged conduit, and the refrigerant gas of discharging from compressor flows into and divides oil drum, and dividing oil drum is being included in the space that the machine oil in the refrigerant gas separates,
One end of suction lead is connected with dividing oil drum, and the other end is connected with compressor, and the refrigerant gas that water conservancy diversion is discharged from compressor allows it flow into branch oil drum inside,
Cold-producing medium is discharged the top that conduit is connected the branch oil drum, and the refrigerant gas of water conservancy diversion after minute oil operation, allows it be expelled to condenser one side,
Machine oil is discharged conduit and is connected the bottom of branch oil drum, and makes the machine oil of separating from refrigerant gas be expelled to compressor one side,
The inner peripheral surface that divides oily device to be arranged on the branch oil drum, by with the contacting of the refrigerant gas that flows into from suction lead, separate the machine oil that is included in the refrigerant gas, it is characterized in that: the oily device of described branch is staggered a plurality of machine oil contact groove (150).
2, centrifugal oil separator according to claim 1 is characterized in that: the oily device of described branch is arranged on to be connected with described suction lead (20) and divides oil drum (50) inner peripheral surface one side highly accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100201261A CN100513940C (en) | 2004-07-26 | 2004-07-26 | Centrifugal oil separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100201261A CN100513940C (en) | 2004-07-26 | 2004-07-26 | Centrifugal oil separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727816A CN1727816A (en) | 2006-02-01 |
| CN100513940C true CN100513940C (en) | 2009-07-15 |
Family
ID=35927226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100201261A Expired - Fee Related CN100513940C (en) | 2004-07-26 | 2004-07-26 | Centrifugal oil separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100513940C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070106875A (en) * | 2006-05-01 | 2007-11-06 | 삼성전자주식회사 | Hermetic vessel equipped with inserted type discharge pipe, and oil separator, gas-liquid separator and air conditioning system using the same |
| JP5112152B2 (en) * | 2008-04-14 | 2013-01-09 | 株式会社神戸製鋼所 | Lubricating liquid separator |
| CN105588381B (en) * | 2015-08-27 | 2018-11-30 | 青岛海信日立空调系统有限公司 | A kind of gas and oil separating plant |
| CN105222425B (en) * | 2015-10-15 | 2018-08-10 | 珠海格力电器股份有限公司 | Vertical oil separator's inner tube, casing and vertical oil separator |
| CN109236613B (en) * | 2018-11-19 | 2023-04-28 | 西安交通大学 | Cyclone type oil-gas separator and separation method |
| JP7372556B2 (en) * | 2021-09-30 | 2023-11-01 | ダイキン工業株式会社 | Refrigerant containers and refrigeration cycle equipment |
-
2004
- 2004-07-26 CN CNB2004100201261A patent/CN100513940C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1727816A (en) | 2006-02-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20110726 |