CN209557253U - A kind of gas and oil separating plant and screw compressor of compressor - Google Patents

A kind of gas and oil separating plant and screw compressor of compressor Download PDF

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Publication number
CN209557253U
CN209557253U CN201822006088.4U CN201822006088U CN209557253U CN 209557253 U CN209557253 U CN 209557253U CN 201822006088 U CN201822006088 U CN 201822006088U CN 209557253 U CN209557253 U CN 209557253U
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gas
oil
compressor
separating plant
oil separating
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CN201822006088.4U
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罗岳华
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Hunan Tangpuyuesi Compressor Technology Co Ltd
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Hunan Tangpuyuesi Compressor Technology Co Ltd
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Abstract

The utility model discloses a kind of gas and oil separating plant of compressor, gas and oil separating plant be set on the auxiliary stand of compressor, the pipeline of both ends open, pipeline includes inlet end and exhaust end, inlet end is connect with auxiliary stand, at least one mixing chamber and/or bend is arranged in the opening direction of exhaust end downward, on pipeline.The utility model also provides a kind of compressor including above-mentioned gas and oil separating plant, gas and oil separating plant is set on the auxiliary stand of compressor, gas outlet is provided on auxiliary stand, the inlet end of gas and oil separating plant and the gas outlet of auxiliary stand connect, and auxiliary stand is connect with casing sealing.In the present solution, most of tiny oil droplets are intercepted after the high temperature and high pressure gas for carrying tiny oil droplets enters the inlet end of gas and oil separating plant;Then high temperature and high pressure gas is injected into discharge chamber from exhaust end, and the small oil droplet of remaining lubricating oil that gas is driven can stay in exhaust cavity wall, realizes the separation of more thorough oil droplet and gas, improves the service life of compressor.

Description

A kind of gas and oil separating plant and screw compressor of compressor
Technical field
The utility model belongs to Compressor Technology field, specifically, the utility model relates to a kind of oil gas of compressor Separator and screw compressor comprising the structure.
Background technique
Screw compressor is mainly made of control section, motor part, compression section, and compression section has a pair of of scroll plate, The main compression process of screw compressor is realized by scroll plate.Refrigerant is collapsed into high temperature and high pressure gas, high temperature by scroll plate High pressure gas is discharged through the gas vent in fixed scroll, is discharged again through exhaust pipe after being passed to motor area.In screw compressor work During work, high temperature and high pressure gas will be filled with the inner space of compressor, can be by compressor when high temperature and high pressure gas circulation Interior lubricating oil is taken away.Due in the prior art, being not provided with gas and oil separating plant on horizontal type scroll compressor, therefore from exhaust The high temperature and high pressure gas of pipe discharge contains lubricating oil.Such process persistently exists, and on the one hand will cause in compressor in oil sump Lubricating oil gradually decrease, be unfavorable for the lubrication of compressor rotatable parts, compressor can be damaged;On the other hand small oil Drop will cause the damage with gas part, such as the corrosion of sealing element.Therefore it urgently researches and develops now a kind of suitable for horizontal type scroll pressure The gas and oil separating plant of contracting machine improves the service life of compressor to reduce oil shortage ratio when high temperature and high pressure gas discharge.
Utility model content
The utility model provides a kind of gas and oil separating plant of compressor and the screw compressor comprising the structure, to solve The technical issues of high temperature high exhaust pipe takes lubricating oil out of when being discharged.
To achieve the goals above, the technical solution that the utility model is taken are as follows:
A kind of gas and oil separating plant of compressor, the gas and oil separating plant are set on the auxiliary stand of compressor, are two The pipeline of end opening, the pipeline include inlet end and exhaust end, and the inlet end is connect with the auxiliary stand, the exhaust end Opening direction downward, at least one mixing chamber and/or bend are set on the pipeline.
In a preferred embodiment, the diameter of the mixing chamber is greater than the diameter at other positions of pipeline.
In a preferred embodiment, the mixing is intracavitary is provided with lubrication oil adsorbent or filter core.
In a preferred embodiment, the filter core is the cotton core or strainer or grid cloth of porous structure.
In a preferred embodiment, oil outlet is arranged in mixing bottom of chamber side, is provided with sealing cover on the outside of the outlet.
In a preferred embodiment, mixing bottom of chamber side is provided with oil liquid diversion pipe, the oil liquid diversion pipe first End connection mixing bottom of chamber side, second end are opening down.
In a preferred embodiment, oil outlet is arranged in mixing bottom of chamber side, and the oil outlet is provided with corresponding close Capping.
In a preferred embodiment, the inner wall of the pipeline is provided with protrusion or fence or rough surface.
In a preferred embodiment, the exhaust end is set as horn mouth.
In a preferred embodiment, the exhaust end inner wall is provided with diversion trench.
The utility model also provides a kind of compressor, including any one of the above gas and oil separating plant, the Oil-gas Separation Device is set on the auxiliary stand of the compressor, is provided with gas outlet on the auxiliary stand, the gas and oil separating plant into Gas end is connect with the gas outlet of the auxiliary stand, and the auxiliary stand is connect with casing sealing.
On the basis of the above embodiments, it is furthermore preferred that the compressor end is provided with discharge chamber, the Oil-gas Separation The exhaust end of device is set in the discharge chamber, is additionally provided with exhaust pipe on the outer wall of the discharge chamber.
Advantageous effects acquired by the technical solution of the utility model are:
1, mixing chamber is set by setting Oil-gas Separation pipeline in this programme and on pipeline, carries the high temperature of tiny oil droplets When high pressure gas is entered in Oil-gas Separation pipeline inside compressor, the cross section of flowing becomes smaller, and flow velocity will increase;When gas from When the pipe section of minor diameter is entered in the mixing chamber of major diameter, since piping volume becomes larger suddenly, so the pressure of gas will Become smaller rapidly, gas flow rate is slack-off, and tiny oil droplets, which are then easier to be adsorbed on inner wall of the pipe, condenses into oil droplet, thus smoothly will be micro- Small oil droplet and high temperature and high pressure gas separation;Bend is set on pipeline, can increase gas circulation when and inner wall of the pipe contact surface Product, in the process, part tiny oil droplets can be adsorbed in inner wall of the pipe, be conducive to the separation of oil droplet and gas.
2, exist in this programme in the intracavitary setting oil liquid adsorbent of mixing or filter core, the high temperature and high pressure gas for carrying tiny oil droplets Obstacle is encountered in gas and oil separating plant to change flow direction and speed, and the tiny oil droplets in gas will accumulate in adsorbent or filter core On, and oil film is formed by oil droplets tension, oil droplet coalescence gets off at after larger oil droplet by gravitational settling, to realize oil gas Isolated purpose;And filter core can provide more contacts area, can more effectively separate the tiny oil droplets carried in gas.
3, by oil-gas separation tube to exhaust end be set as horn mouth or diversion trench, accumulated in this way close to exhaust end pipeline Small oil droplet on inner wall can flow to compression motor spindle along horn mouth or diversion trench, and be transported back inside compressor by oil pump.
4, the compressor of this programme will be tightly connected between auxiliary stand and casing, gas outlet, high temperature opened up on auxiliary stand High pressure gas can only enter gas and oil separating plant from the gas outlet on auxiliary stand, then enter back into discharge chamber.In this way, high temperature High pressure gas carries tiny oil droplets when motor area circulates, into after gas and oil separating plant, in the flowing of pipeline internal gas Area reduces, and flow velocity is accelerated, and pressure increases, and most of tiny oil droplets are adsorbed on mixing chamber or inner wall in gas and oil separating plant On;Then high temperature and high pressure gas is injected into discharge chamber from exhaust end, and the small oil droplet of remaining lubricating oil that gas is driven can stay in It is vented cavity wall, then oil pump transports back in the oil sump of compressor, high temperature and high pressure gas then passes through exhaust pipe discharge, realizes and compares The separation of thorough oil droplet and gas, improves the service life of compressor.
Detailed description of the invention
Fig. 1 is the schematic perspective view (concealing casing) that gas and oil separating plant is connect with auxiliary stand in embodiment 1;
Fig. 2 is the side view (concealing casing) that gas and oil separating plant is connect with compressor housing in embodiment 1;
Fig. 3 is the main view that gas and oil separating plant is connect with compressor housing in embodiment 1;
Fig. 4 is the partial cutaway schematic that the compressor of gas and oil separating plant is equipped in embodiment 1;
Fig. 5 is the diagrammatic cross-section of gas and oil separating plant in embodiment 2;
Fig. 6 is the diagrammatic cross-section of gas and oil separating plant in embodiment 3;
Fig. 7 is the diagrammatic cross-section of gas and oil separating plant in embodiment 4;
Fig. 8 is the diagrammatic cross-section of gas and oil separating plant in embodiment 5;
Fig. 9 is the diagrammatic cross-section of gas and oil separating plant in embodiment 6;
Appended drawing reference: 01- oil-gas separation tube, 1- inlet end, 2- exhaust end, 3- mixing chamber, 4- bend, 5- cotton core, 6- filter Net, 7- fence, 8- horn mouth, 02- auxiliary stand, 03- discharge chamber, 04- exhaust pipe, 05- bearing, 06- oil pump, 07- rotor, 08- Casing, 09- balance weight.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing, the description of this part be only it is exemplary and explanatory, There should not be any restriction effect to the protection scope of the utility model.In addition, those skilled in the art's retouching according to this document It states, the corresponding combination can be carried out to the feature in embodiment in this document and in different embodiments.
Embodiment 1
Reference view 1, the gas-oil separation device for compressor in the present embodiment includes oil-gas separation tube 01, is set to compression On the auxiliary stand 02 of machine, wherein auxiliary stand 2 and casing, which are formed, is tightly connected.The pipeline configuration of 01 both ends open of oil-gas separation tube, Pipeline includes inlet end and exhaust end, and inlet end is connect with auxiliary stand 02, and the opening direction of exhaust end downward, is provided on pipeline One bend.Oil-gas separation tube 01 is provided with bend, in this way when the high temperature and high pressure gas for carrying tiny oil droplets passes through Oil-gas Separation When pipe 01, the contact area of tiny oil droplets and pipeline is increased, can preferably be separated oil droplet and gas.
Referring to schematic diagram 2 and Fig. 3, a side surface of auxiliary stand 02 is connect with rotor 07, another side surface and Oil-gas Separation Pipe 01 connects.The side that auxiliary stand 02 is provided with oil-gas separation tube 01 is additionally provided with oil pump 06.
Referring to schematic diagram 4, the present embodiment also provides a kind of compressor for being provided with oil-gas separation tube 01, due to auxiliary stand 02 Periphery is fixedly connected with 08 inner wall of casing and (can specifically use and the modes such as weld or snap connection or be threadedly coupled), auxiliary stand 02 Discharge chamber 03 is formd between 08 end of casing.Venthole (being not marked in figure), oil-gas separation tube are offered on auxiliary stand 02 01 is arranged on auxiliary stand 02, and wherein air inlet pipe one end is connect with the venthole on auxiliary stand 02, and specific connection type can be It snaps connection or is threadedly coupled or weld or gluing connects or interference fit connection, exhaust pipe one end is located in discharge chamber 03 and opens Mouth is directed downward.07 end of rotor is provided with balance weight 09, and 05 end of bearing of rotor 07 is fastened on auxiliary stand 02.Discharge chamber Exhaust pipe 04 is additionally provided on 03 08 end of outer wall namely casing.High temperature and high pressure gas must first pass through oil-gas separation tube 01, Discharge chamber 03 is entered back into after carrying out Oil-gas Separation, the gas after then separating is discharged from exhaust pipe 04 again.
The working principle introduction of oil-gas separation tube in the present embodiment: when low temperature low pressure gas enters inside compressor, and lead to After over-voltage shrinking structure is compressed into high temperature and high pressure gas discharge, it is circulated to the space of motor and peritrochanteric.In high temperature and pressure gas In body flow process, high temperature and high pressure gas can take away the lubricating oil inside a part of compressor in oil sump, when being not provided with oil gas When separating pipe, small lubricating oil liquid will directly be discharged from exhaust pipe with high temperature and high pressure gas.In order to improve this situation, this reality It applies in the technical solution of example, a venthole is opened up on the auxiliary stand 02 inside compressor, due to auxiliary stand 02 and casing 08 It is gapless connection between inner wall, high temperature and high pressure gas can only be discharged from oil-gas separation tube 01.When high temperature and high pressure gas carries When tiny oil droplets enter oil-gas separation tube 01, since the diameter of oil-gas separation tube 01 is small, the flow area of high temperature and high pressure gas subtracts Small, flow velocity is accelerated, and pressure increases, and after high temperature and high pressure gas is flowed out out of oil-gas separation tube 01, is injected in 03 end face of discharge chamber 08 inner wall of casing on.Therefore the lubricating oil that high temperature and high pressure gas is driven can be trapped in the interior of the casing 08 of 03 end face of discharge chamber Wall, then flow to the bottom of the discharge chamber 03 of compressor under the effect of gravity, is pumped back to motor using the effect of oil pump 06 In the oil sump in region.It is seamlessly connected by realizing auxiliary stand and casing inner wall, the row of foring between auxiliary stand and casing end wall Air cavity, oil-gas separation tube are arranged on auxiliary stand, and high temperature and high pressure gas enters discharge chamber after oil-gas separation tube, then from exhaust Pipe discharge;The oil-gas separation efficiency for improving compressor efficiently solves the technology that high temperature and high pressure gas takes lubricating oil out of and asks Topic.
Embodiment 2
Referring to schematic diagram 5, the oil-gas separation tube 01 in the present embodiment includes inlet end 1 and exhaust end (being not marked in figure), It is provided with bend 4 among pipeline, is with the difference in embodiment 1, the exhaust end of oil-gas separation tube 01 is provided with horn mouth 8. When passing through oil-gas separation tube 01 due to high temperature and high pressure gas, part tiny oil droplets can be adsorbed on inner wall of the pipe, and tiny oil droplets pass through again Surface tension is crossed to form larger oil droplet and finally flow down along inner wall of the pipe under gravity.In exhaust end, horn mouth 8 is set, Oil droplet can be flowed down along horn mouth 8 in this way, it is not easy to block oil-gas separation tube exhaust end.
As the improvement of the present embodiment, the inner wall of exhaust end is provided with plurality of guiding gutter (being not drawn into figure), advantageous in this way It is flowed out in oil droplet along diversion trench.
Embodiment 3
Referring to schematic diagram 6, the oil-gas separation tube 01 in the present embodiment includes inlet end 1 and exhaust end (being not marked in figure), It is with the difference in embodiment 2, pipeline is provided with mixing chamber 3 close to the position of inlet end 1.In this way, carrying small oil When the high temperature and high pressure gas of drop is entered in Oil-gas Separation pipeline inside compressor, the cross section of flowing becomes smaller, and flow velocity will increase; When gas is from the mixing chamber 3 that the inlet end 1 of minor diameter enters major diameter, since piping volume becomes larger suddenly, the pressure of gas Good general becomes smaller rapidly, and gas flow rate is slack-off, and tiny oil droplets, which are then easier to be adsorbed on inner wall of the pipe, condenses into oil droplet, thus smoothly Tiny oil droplets and high temperature and high pressure gas are separated.
As the improvement of the present embodiment, mixing chamber 3 is internally provided with oil droplet adsorbent, when high temperature and high pressure gas passes through mixing When chamber 3, tiny oil droplets will be adsorbed agent and be adsorbed, to further increase the efficiency of oil droplet and gas separation.
Embodiment 4
Referring to schematic diagram 7, the oil-gas separation tube 01 in the present embodiment includes inlet end 1 and exhaust end 2, setting in the middle part of pipeline There is bend 4, is provided with mixing chamber 3 on the pipeline of inlet end 1 and exhaust end 2.Fence 7 is provided in mixing chamber 3, when taking High temperature and high pressure gas with tiny oil droplets enters in the mixing chamber 3 of oil-gas separation tube 01, and tiny oil droplets can be attached on fence 7, Realize the purpose of Oil-gas Separation.
As the improvement of the present embodiment, inner wall of the pipe be provided with protrusion or rough surface, can increase in this way inner wall of the pipe and The contact area of tiny oil droplets is conducive to more tiny oil droplets and is adsorbed on inner wall of the pipe.
Embodiment 5
Referring to schematic diagram 8, the oil-gas separation tube 01 in the present embodiment includes inlet end 1 and exhaust end 2, setting in the middle part of pipeline There is bend 4, is provided with mixing chamber 3 on the pipeline of inlet end 1.Strainer 6 is provided in mixing chamber 3, when carrying tiny oil droplets High temperature and high pressure gas enter in the mixing chamber 3 of oil-gas separation tube 01, tiny oil droplets can be attached on strainer 6, realize oil gas point From purpose.
As the improvement of the present embodiment, the bottom side of mixing chamber 3 is provided with oil outlet (being not drawn into figure), and oil outlet bottom side is set It is equipped with corresponding sealing cover (being not drawn into figure), is provided with elastic seal ring on the inside of sealing cover.In this way, working as oil-gas separation tube When accumulating more lubricating oil liquid in 01 mixing chamber 3, sealing cover can be opened in maintenance, oil stream will be lubricated in mixing chamber 3 Out into discharge chamber 03, then by the way that in the oil sump of 06 pumped back compressor of oil pump, maintenance is convenient, using reliable.
Embodiment 6
Referring to schematic diagram 9, the oil-gas separation tube 01 in the present embodiment includes inlet end 1 and exhaust end (being not marked in figure), 2 bends (being not marked in figure) are provided in the middle part of pipeline, are provided with mixing chamber 3 on pipeline.It is provided with filter core in mixing chamber 3, has Body can use porous cotton core 5 or multi-layer fiber grid cloth.When the high temperature and high pressure gas for carrying tiny oil droplets enters mixing In chamber 3, porous cotton core can increase tiny oil droplets contact area, improve oil droplet adsorption efficiency.
Although describing the utility model by reference to various embodiments above, but it is to be understood that do not departing from this reality In the case where with novel range, many changes and modifications can be carried out.Therefore, being intended to foregoing detailed description is considered as example The property shown and not restrictive, and it is to be understood that be intended to limit this practical new for following following claims (including all equivalents) The spirit and scope of type.The above embodiment is interpreted as being merely to illustrate the utility model rather than limit originally practical new The protection scope of type.After the content for the record for having read the utility model, technical staff can make the utility model each Kind change or modification, these equivalence changes and modification equally fall into the utility model claims limited range.

Claims (10)

1. a kind of gas and oil separating plant of compressor, which is characterized in that the gas and oil separating plant is set to the auxiliary branch of compressor It is the pipeline of both ends open on frame, the pipeline includes inlet end and exhaust end, and the inlet end is connect with the auxiliary stand, Downward, at least one mixing chamber and/or bend is arranged in the opening direction of the exhaust end on the pipeline.
2. the gas and oil separating plant of compressor as described in claim 1, which is characterized in that the diameter of the mixing chamber is greater than institute State the diameter at other positions of pipeline.
3. the gas and oil separating plant of compressor as claimed in claim 2, which is characterized in that the mixing is intracavitary to be provided with lubrication Oil adsorbent or filter core.
4. the gas and oil separating plant of compressor as claimed in claim 3, which is characterized in that the filter core is the cotton of porous structure Core or strainer or grid cloth.
5. the gas and oil separating plant of compressor as claimed in claim 4, which is characterized in that the setting of mixing bottom of chamber side is fuel-displaced Mouthful, the oil outlet is provided with corresponding sealing cover.
6. the gas and oil separating plant of the compressor as described in claim 1-5 any one, which is characterized in that the pipeline it is interior Wall is provided with protrusion or fence or rough surface.
7. the gas and oil separating plant of compressor as claimed in claim 6, which is characterized in that the exhaust end is set as loudspeaker Mouthful.
8. the gas and oil separating plant of compressor as claimed in claim 6, which is characterized in that the exhaust end inner wall, which is provided with, leads Chute.
9. a kind of compressor, the compressor includes compression mechanism, motor, main support, auxiliary stand and casing, which is characterized in that It further include gas and oil separating plant according to any one of claims 8, the gas and oil separating plant is set on the auxiliary stand of the compressor, Gas outlet is provided on the auxiliary stand, the inlet end of the gas and oil separating plant is connect with the gas outlet of the auxiliary stand, institute Auxiliary stand is stated to connect with casing sealing.
10. compressor as claimed in claim 9, which is characterized in that the compressor end is provided with discharge chamber, the oil gas The exhaust end of separator is set in the discharge chamber, is additionally provided with exhaust pipe on the outer wall of the discharge chamber.
CN201822006088.4U 2018-11-30 2018-11-30 A kind of gas and oil separating plant and screw compressor of compressor Active CN209557253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822006088.4U CN209557253U (en) 2018-11-30 2018-11-30 A kind of gas and oil separating plant and screw compressor of compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822006088.4U CN209557253U (en) 2018-11-30 2018-11-30 A kind of gas and oil separating plant and screw compressor of compressor

Publications (1)

Publication Number Publication Date
CN209557253U true CN209557253U (en) 2019-10-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822006088.4U Active CN209557253U (en) 2018-11-30 2018-11-30 A kind of gas and oil separating plant and screw compressor of compressor

Country Status (1)

Country Link
CN (1) CN209557253U (en)

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