CN102230703A - Novel oil separator - Google Patents
Novel oil separator Download PDFInfo
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- CN102230703A CN102230703A CN 201110173693 CN201110173693A CN102230703A CN 102230703 A CN102230703 A CN 102230703A CN 201110173693 CN201110173693 CN 201110173693 CN 201110173693 A CN201110173693 A CN 201110173693A CN 102230703 A CN102230703 A CN 102230703A
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- muffler
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Abstract
The invention discloses a novel oil separator comprising a cylindrical barrel, an upper cover and a lower cover, wherein the upper cover and the lower cover are arranged on two ends of the barrel; the upper cover is provided with an exhaust pipe; the barrel is provided with an admission pipe; a mesh sieve is arranged on the periphery of the inner surface of the barrel; and the lower part of the barrel is provided with a float valve assembly and an oil drain hole. The novel oil separator also comprises an air return pipe, a spiral vane, a flow guide ring, a taper-shaped filter mesh and an oil collection cavity, wherein the mouth of the admission pipe faces to the axial direction of the barrel; the exhaust pipe is arranged on the center of the upper cover; the lower end of the exhaust pipe is connected with the air return pipe; the bottom end of the air return pipe is provided with a flow guide ring which is a taper-shaped annular surface; the taper-shaped filter mesh is installed on the bottom of the air return pipe; the spiral vane is spirally wound on the outer side surface of the air return pipe; the center of the lower cover is provided with a cylindrical oil collection cavity; the side surface of the oil collection cavity is provided with an oil feeding port; the top of the oil collection cavity is provided with a balancing port; the periphery of the inner surface of the oil collection cavity is provided with a filter net; the float valve assembly is positioned in the oil collection cavity; and the bottom of the float valve assembly is provided with an oil discharging hole. The novel oil separator has the beneficial effects of simple and compact structure, small volume, small resistance, high separation efficiency and suitability for separating gas and oil in a refrigeration system.
Description
Technical field
The present invention relates to oil eliminator, relate in particular to the oil eliminator that is applied to refrigeration system.
Background technology
In refrigeration system, oil eliminator commonly used mainly contains washing type, material filling type, and decanter type, centrifugal etc. several.
The washing type oil eliminator is made up of air inlet pipe, escape pipe, feed tube, umbrella hood and drain line etc.Its rely on exhaust deceleration, change flow direction, four kinds of effects such as cooling and washing and separating in liquid.Its deficiency is that separative efficiency is not high, is replaced by other forms of oil eliminator gradually.
The material filling type oil eliminator is used in medium and small refrigeration machine.In the bucket of separator filler is housed, oil droplet relies on the filtration of the reduction of air velocity and packing layer and separates, filler available metal silk screen, pottery or metal fillings, and the separative efficiency of wire mesh packing is the highest, its deficiency is that resistance is bigger.
The decanter type oil eliminator is generally used in the Small Refrigerating Equipment, and the exhaust of compressor enters from the pipe at top, and draws from the pipe of upper side after wherein the lubricating oil separation.This oil content dependence gas velocity reduces, changes flow direction and separates by effects such as woven wire filtrations.This oil separator structure is simple, and is easily manufactured, uses generally, and deficiency is that the oily effect of branch is relatively poor.
Centrifugal oil eliminator is applicable to large-scale refrigerating system, and the oil separation effect of centrifugal oil eliminator is better, and the exhaust of compressor tangentially enters in the tube through the oil eliminator air inlet pipe, immediately rotation and mobile from top to bottom at a high speed.Borrow the action of centrifugal force oil droplet that density in the exhaust is bigger to throw and on barrel, separate, flow down, be deposited on tube bottom along wall.The tube side is equipped with ball-cock assembly, and when pasta rose to upper limit, lubricating oil was opened spool by ball-cock assembly, from trend compressor crankcase or oil catcher oil extraction.
The oil eliminator of prior art mainly contains following deficiency: in refrigeration system, the action mechanism of centrifugal branch oil is by the centrifugal force that speed produces the oil droplet in the cold media gas to be separated, when the gas-liquid mixture speed that enters oil eliminator is high more, the suffered centrifugal force of oil droplet is big more, easy more being separated, but,, cause centrifugation efficient instability so change in flow is very big because of cold media gas and lubricating oil mix rerum natura that thing closes along with the refrigeration machine load variations changes.And the oily mode of the branch of decanter type and other modes DeGrain when high load capacity is high-speed, but when hanging down flow velocity, its oil-dividing efficiency is better than centrifugal branch oil.If want in system, to reach the oily effect of branch well, can in parallelly use a plurality of oil eliminators, can cause the increase of manufacturing cost like this.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, compact, efficient, oil separator that pressure drop is little, solve the deficiency that prior art exists.
The present invention is achieved in that a kind of oil separator, comprise cylindrical tube and be arranged on the loam cake and the lower cover at cylindrical shell two ends, on be covered with blast pipe, cylindrical shell is provided with air inlet pipe, arrange mesh screen around the inner surface of cylindrical shell, the cylindrical shell bottom is provided with ball-cock assembly assembly and outage, it is characterized in that: described centrifugal oil eliminator also comprises muffler, helical blade, guide ring, conical screen and collection chamber, described air inlet pipe is arranged on center, cylindrical shell side, the air inlet mouth of pipe towards drum shaft to, described blast pipe is arranged on the loam cake center, the lower end of blast pipe links to each other with muffler, the bottom of muffler is provided with guide ring, and guide ring is the taper anchor ring, and described conical screen is installed in the bottom of muffler; Described helical blade is spirally wound on the lateral surface of muffler, described lower cover center is provided with cylindrical collection chamber, the collection chamber side is provided with fuel feed hole, fuel feed hole is a through hole, be provided with screen pack around the collection chamber inner surface, described ball-cock assembly assembly places collection chamber inside, and ball-cock assembly assembly bottom is provided with outage.
A kind of oil separator of the present invention is characterized in that described muffler length is the 1/2-2/3 of cylindrical shell length.
A kind of oil separator of the present invention is characterized in that the gap between the inwall of the outer rim of described helical blade and cylindrical shell is 2-3mm.
A kind of oil separator of the present invention, it is characterized in that helical blade twines muffler more than two weeks at least on the described lateral surface that is spirally wound on muffler, the position of center line that is positioned at air inlet pipe on the cylindrical shell from muffler to the water conservancy diversion anchor ring of muffler bottom ends.
A kind of oil separator of the present invention is characterized in that the center line of described air inlet pipe and the angle between the initial end line of helical blade are 80-120,
A kind of oil separator of the present invention is characterized in that described mesh screen is the 40-80 eye mesh screen, and screen cloth is provided with to lower cover top from the lower edge of the air inlet pipe on the cylindrical shell.
A kind of oil separator of the present invention is characterized in that described conical screen is the 80-120 mesh filter screen, and the conical screen height is 5-10cm.
A kind of oil separator of the present invention is characterized in that the lower end of described muffler is provided with guide ring, and the guide ring height is 10-20mm, and the guide ring bottom is 10-20mm apart from the muffler distance from bottom.
A kind of oil separator of the present invention, the height that it is characterized in that described collection chamber is 10-15cm, spacing between collection chamber and the cylinder inboard wall is 20-80cm, the aperture of the fuel feed hole that the collection chamber side is provided with is 15-25mm, the quantity of fuel feed hole is 4-8, the collection chamber end face is provided with balance pipe, and the first half that fuel feed hole is set of collection chamber is in cylindrical shell, and Lower Half is outside bottom end cover.
A kind of oil separator of the present invention is characterized in that described ball-cock assembly assembly bottom is provided with magnet.
The course of work of novel separator of the present invention is: the exhaust of compressor under helical blade guiding, is rotated at a high speed and is flowed from top to bottom along helical blade after air inlet pipe enters oil eliminator; Helical structure is used for forcing oil/mixture of refrigerant gases along the hoop path flow.Borrow the action of centrifugal force oil droplet that diameter in the exhaust is bigger to throw and on the barrel mesh screen, separate, flow down, be deposited on tube bottom along wall; Mesh screen plays dual parts oil-collecting and drainage.The conical screen of refrigerant gas above the muffler at cylindrical shell center flows away; On the blind flange of tube bottom the ball-cock assembly assembly is housed, when pasta rose to the upper limit of ball float, lubricating oil was opened spool by ball-cock assembly, from trend compressor crankcase or oil catcher oil extraction.
The invention has the beneficial effects as follows:
1, the use of helical blade structure, help forcing refrigeration oil/refrigerant mixture along the helical structure path flow, long effective length can be provided for the mesh screen with respect to axial flow, and mesh screen can better play to be collected and the effect that separates oil droplet, thereby improves the separating property of oil.
2, the guide ring of muffler bottom directly flies the helical structure surface oil droplet that gets off, and gets rid of mesh screen towards periphery by centrifugal action.Help to form a passage that does not have the gas of oil, prevent that oil droplet is by cold media gas reentrainment, back-mixing at return air inlet.
3, be mesh screen to be set, help collecting, separating oil droplet along barrel;
4, the taper mesh screen in the end the stage prevent that the gas entrained oil from entering the muffler passage, the oil of collecting by this tapered mesh screen finally drips to the oil-collecting zone of oil eliminator bottom, enters collection chamber at last.
5, use the ball-cock assembly modular construction, but automatic oil return.
6, in floating ball valve structure, use magnet, impurity such as iron filings in the adsorbable oil content.
7, oil eliminator of the present invention adopts the oily mode of branch centrifugal and that sedimentation combines, and when refrigeration unit operated in the high load capacity operating mode, the velocity ratio of mist was very fast, and can separate most of oil droplet by centrifugation this moment.When unit moved under partial load condition, because air velocity reduces, the sedimentation separation mode was occupied an leading position.Two kinds of separate modes are combined application can make unit still can keep higher oil-dividing efficiency when different load changes.
Description of drawings
The present invention has accompanying drawing 3 width of cloth, wherein
Fig. 1: oil separator structure chart;
Fig. 2: oil separator sectional drawing;
Fig. 3: spill port structure chart;
In the accompanying drawing: comprise blast pipe (1), loam cake (2), cylindrical shell (3), helical blade (4), muffler (5), mesh screen (6), guide ring (7), conical screen (8), balance port (9), collection chamber (10), screen pack (11), ball float assembly (12), lower cover (13), magnet (14), outage (15), fuel feed hole (16), ball float (17), air inlet pipe (18), spill port (19), needle-valve (20).
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the two ends of cylindrical tube 3 are provided with loam cake 2 and lower cover 13, at loam cake 2 centers blast pipe 1 are set, and center, cylindrical shell 3 side is provided with air inlet pipe 18, and oil/refrigerant mixed gas enters oil eliminator by air inlet pipe 18; Arrange mesh screen 6 around the inner surface of cylindrical shell 3, the order number of mesh screen 6 is 50 orders, be used for collecting and separating oil/refrigerant mixed gas in oil, and the mesh screen height is the part of the bottom lower cover 13 of cylindrical shell 3 to cylindrical shell 3 height, is lower than the height of air inlet pipe 18;
In the bottom of muffler 5 guide ring 7 is set, uses guide ring 7 to have two advantages at least: 1. the gas of band oil is not easy to enter conical screen 8, because screw action is arranged, oil droplet is along radially walking downward; 2. guide ring 7 and conical screen 8 make gas form eddy current, and the oil droplet on the guide ring 7 is thrown on the mesh screen 6.
Conical screen 8 is installed in the bottom of muffler 5.The order number of conical screen 8 is 100 orders.The oil droplet that direct gathering screw body structure surface splashes and, and prevent that the gas entrained oil from flowing away from muffler 5, phenomenon is short-circuited.
Be provided with cylindrical collection chamber 10 at lower cover 13 centers, the side is provided with fuel feed hole 16, is provided with screen pack 11 around the inner surface.The oil that mesh screen 6 is arranged will be full of the surface of the lower cover 13 of oil eliminator, enter collection chamber 10 by 4 fuel feed holes 16 and by ball-cock assembly assembly 12 oil be discharged by outage 15 afterwards.Screen pack 11 plays a part impurity screening.It is to be used for adsorbing impurity such as iron filings in the oil content that ball-cock assembly assembly 12 bottoms are provided with magnet 14.
As shown in Figure 2, the center line of air inlet pipe 18 and the original position of helical blade are 100, and this position helps improving the separative efficiency of oil in oil/refrigerant mixture.
As shown in Figure 3, be the structure chart of spill port 19 in the ball-cock assembly assembly 12, spill port 19 sizes are φ 1.5, and needle-valve 20 top tapered angles are 40 degree; There is the oil content bottom in isolated oil, along with oil
The rising of position, ball float rises, and needle-valve opens 20.Because the effect of inside and outside differential pressure, refrigeration oil will be flowed out by oil return pipe and be supplied with compressor, along with the outflow of refrigeration oil, pasta reduces, and needle-valve 20 is closed, fuel cut-off.
Claims (10)
1. oil separator, comprise cylindrical tube (3) and be arranged on the loam cake (2) and the lower cover (13) at cylindrical shell two ends, loam cake (2) is provided with blast pipe (1), cylindrical shell (3) is provided with air inlet pipe (18), arrange mesh screen (6) around the inner surface of cylindrical shell (3), the cylindrical shell bottom is provided with ball-cock assembly assembly (12) and outage, it is characterized in that: described oil eliminator also comprises muffler (5), helical blade (4), guide ring (7), conical screen (8) and collection chamber (10), described air inlet pipe (18) is arranged on cylindrical shell (3) center, side, the air inlet mouth of pipe towards drum shaft to, described blast pipe (1) is arranged on loam cake (2) center, the lower end of blast pipe (1) links to each other with muffler (5), the bottom of muffler (5) is provided with guide ring (7), guide ring is the taper anchor ring, and described conical screen (8) is installed in the bottom of muffler (5); Described helical blade (4) is spirally wound on the lateral surface of muffler (5), described lower cover (13) center is provided with cylindrical collection chamber (10), collection chamber (10) side is provided with fuel feed hole (16), fuel feed hole (16) is a through hole, the collection chamber top is provided with balance port (9), be provided with screen pack (10) around collection chamber (10) inner surface, described ball-cock assembly assembly (12) places collection chamber (10) inside, and ball-cock assembly assembly (12) bottom is provided with outage (15).
2. according to the described a kind of oil separator of claim 1, it is characterized in that described muffler (5) length is the 1/2-2/3 of cylindrical shell length.
3. according to the described a kind of oil separator of claim 2, it is characterized in that the gap between the inwall of the outer rim of described helical blade (4) and cylindrical shell is 2-3mm.
4. according to the described a kind of oil separator of claim 3, it is characterized in that the described helical blade (4) that is spirally wound on muffler (5) lateral surface twines muffler more than (5) two weeks at least, be positioned at position of center line that cylindrical shell (3) goes up air inlet pipe to guide ring (7) face of muffler (5) bottom from muffler (5) and end.
5. according to the described a kind of oil separator of claim 1, it is characterized in that the center line of described air inlet pipe and the angle between the initial end line of helical blade (4) are 80～120.
6. according to the described a kind of oil separator of claim 1, it is characterized in that described mesh screen (6) is the 40-80 eye mesh screen, screen cloth is provided with to lower cover (13) top from the lower edge of the air inlet pipe on the cylindrical shell (3).
7. according to the described a kind of oil separator of claim 1, it is characterized in that described conical screen (8) is the 80-120 mesh filter screen, conical screen (8) highly is 5-10cm.
8. according to the described a kind of oil separator of claim 1, it is characterized in that the guide ring (7) of the lower end of described muffler (5) highly is 10-20mm, the guide ring bottom is 10-20mm apart from muffler (5) distance from bottom.
9. according to the described a kind of oil separator of claim 1, the height that it is characterized in that described collection chamber (10) is 10-15cm, spacing between collection chamber (10) outer wall and cylindrical shell (3) inwall is 20-80cm, the aperture of the fuel feed hole (16) that collection chamber (10) side is provided with is 15-25mm, the quantity of fuel feed hole (16) is 4-8, collection chamber (10) end face is provided with balance pipe (9), and the first half that fuel feed hole is set of collection chamber (10) is in cylindrical shell (3), and Lower Half is outside bottom end cover.
10. according to the described a kind of novel centrifugal type oil eliminator of claim 1, it is characterized in that described ball-cock assembly assembly () (12) bottom is provided with magnet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110173693 CN102230703A (en) | 2011-01-28 | 2011-06-24 | Novel oil separator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110031710.7 | 2011-01-28 | ||
| CN201110031710 | 2011-01-28 | ||
| CN 201110173693 CN102230703A (en) | 2011-01-28 | 2011-06-24 | Novel oil separator |
Publications (1)
| Publication Number | Publication Date |
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| CN102230703A true CN102230703A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110173693 Pending CN102230703A (en) | 2011-01-28 | 2011-06-24 | Novel oil separator |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105025A (en) * | 2013-01-30 | 2013-05-15 | 南京金典制冷实业有限公司 | Oil-gas separator used for screw type refrigeration unit |
| CN103411358A (en) * | 2013-08-26 | 2013-11-27 | 天津商业大学 | Rotating wheel type gas-liquid separator driven by intermittent air flow and compressor |
| CN103438627A (en) * | 2013-08-01 | 2013-12-11 | 青岛海信日立空调系统有限公司 | Oil-gas separator |
| CN103438628A (en) * | 2013-08-01 | 2013-12-11 | 青岛海信日立空调系统有限公司 | Oil-gas separator |
| CN104697255A (en) * | 2015-03-23 | 2015-06-10 | 哈尔滨商业大学 | Separator device for separating lubricating oil and in refrigerating system and method for oil separating |
| CN105758074A (en) * | 2016-03-10 | 2016-07-13 | 济南欧菲特制冷设备有限公司 | Oil separator |
| CN106215464A (en) * | 2016-08-31 | 2016-12-14 | 天津成科传动机电技术股份有限公司 | The efficiently online air bubble eliminating device of twin-stage fluid |
| CN106403419A (en) * | 2016-11-29 | 2017-02-15 | 天津商业大学 | Electromagnetic oil separator |
| CN106500418A (en) * | 2016-11-25 | 2017-03-15 | 珠海格力电器股份有限公司 | Refrigeration unit, oil supply system and its oil eliminator |
| CN106763002A (en) * | 2016-12-27 | 2017-05-31 | 重庆缀盟科技有限公司 | A kind of spiral separation mechanism for oil tank breather |
| CN108488952A (en) * | 2018-03-23 | 2018-09-04 | 浙江国祥股份有限公司 | A kind of VRF Air Conditioning System |
| CN108895612A (en) * | 2018-07-17 | 2018-11-27 | 张同庆 | A method of improving air conditioner service life |
| CN109990516A (en) * | 2018-01-02 | 2019-07-09 | 浙江三花智能控制股份有限公司 | A kind of oil eliminator and its refrigeration system |
| CN113731087A (en) * | 2021-08-27 | 2021-12-03 | 王铭浩 | Efficient progressive gas-liquid separation device |
| CN113915807A (en) * | 2021-10-27 | 2022-01-11 | 新昌县泰普莱机电有限公司 | Vertical oil separator for refrigerating system |
| CN114849267A (en) * | 2022-04-22 | 2022-08-05 | 优必得石油设备(苏州)有限公司 | Oil-gas treatment system and method and separator |
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| US5113671A (en) * | 1990-11-26 | 1992-05-19 | Ac&R Components Components, Inc. | Oil separator |
| US5271245A (en) * | 1992-08-20 | 1993-12-21 | Ac&R Components, Inc. | Two-stage helical oil separator |
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| US7810351B2 (en) * | 2005-03-02 | 2010-10-12 | Westermeyer Gary W | Multiple outlet vertical oil separator |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105025A (en) * | 2013-01-30 | 2013-05-15 | 南京金典制冷实业有限公司 | Oil-gas separator used for screw type refrigeration unit |
| CN103105025B (en) * | 2013-01-30 | 2015-05-20 | 南京金典制冷实业有限公司 | Oil-gas separator used for screw type refrigeration unit |
| CN103438627A (en) * | 2013-08-01 | 2013-12-11 | 青岛海信日立空调系统有限公司 | Oil-gas separator |
| CN103438628A (en) * | 2013-08-01 | 2013-12-11 | 青岛海信日立空调系统有限公司 | Oil-gas separator |
| CN103411358A (en) * | 2013-08-26 | 2013-11-27 | 天津商业大学 | Rotating wheel type gas-liquid separator driven by intermittent air flow and compressor |
| CN103411358B (en) * | 2013-08-26 | 2015-05-13 | 天津商业大学 | Rotating wheel type gas-liquid separator driven by intermittent air flow and compressor |
| CN104697255A (en) * | 2015-03-23 | 2015-06-10 | 哈尔滨商业大学 | Separator device for separating lubricating oil and in refrigerating system and method for oil separating |
| CN105758074A (en) * | 2016-03-10 | 2016-07-13 | 济南欧菲特制冷设备有限公司 | Oil separator |
| CN106215464A (en) * | 2016-08-31 | 2016-12-14 | 天津成科传动机电技术股份有限公司 | The efficiently online air bubble eliminating device of twin-stage fluid |
| CN106500418A (en) * | 2016-11-25 | 2017-03-15 | 珠海格力电器股份有限公司 | Refrigeration unit, oil supply system and its oil eliminator |
| CN106500418B (en) * | 2016-11-25 | 2022-07-08 | 珠海格力电器股份有限公司 | Refrigerating unit, oil supply system and oil separator thereof |
| CN106403419A (en) * | 2016-11-29 | 2017-02-15 | 天津商业大学 | Electromagnetic oil separator |
| CN106763002A (en) * | 2016-12-27 | 2017-05-31 | 重庆缀盟科技有限公司 | A kind of spiral separation mechanism for oil tank breather |
| CN109990516A (en) * | 2018-01-02 | 2019-07-09 | 浙江三花智能控制股份有限公司 | A kind of oil eliminator and its refrigeration system |
| CN108488952A (en) * | 2018-03-23 | 2018-09-04 | 浙江国祥股份有限公司 | A kind of VRF Air Conditioning System |
| CN108488952B (en) * | 2018-03-23 | 2019-03-08 | 浙江国祥股份有限公司 | A kind of VRF Air Conditioning System |
| CN108895612A (en) * | 2018-07-17 | 2018-11-27 | 张同庆 | A method of improving air conditioner service life |
| CN108895612B (en) * | 2018-07-17 | 2020-09-25 | 泰州程顺制冷设备有限公司 | Method for prolonging service life of air conditioner |
| CN113731087A (en) * | 2021-08-27 | 2021-12-03 | 王铭浩 | Efficient progressive gas-liquid separation device |
| CN113915807A (en) * | 2021-10-27 | 2022-01-11 | 新昌县泰普莱机电有限公司 | Vertical oil separator for refrigerating system |
| CN114849267A (en) * | 2022-04-22 | 2022-08-05 | 优必得石油设备(苏州)有限公司 | Oil-gas treatment system and method and separator |
| CN114849267B (en) * | 2022-04-22 | 2024-01-09 | 优必得石油设备(苏州)有限公司 | Oil gas treatment system and method and separator |
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Address after: 116600 economic and Technological Development Zone, No. 8 loose Street Applicant after: Dalian Sanyo Compressor Co., Ltd. Address before: 116033 No. 78 East Sea Road, Ganjingzi District, Liaoning, Dalian Applicant before: Dalian Sanyo Compressor Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111102 |