CN106151045A - Aluminium section bar processing source of the gas auxiliary cooler in air compressor - Google Patents
Aluminium section bar processing source of the gas auxiliary cooler in air compressor Download PDFInfo
- Publication number
- CN106151045A CN106151045A CN201610745154.2A CN201610745154A CN106151045A CN 106151045 A CN106151045 A CN 106151045A CN 201610745154 A CN201610745154 A CN 201610745154A CN 106151045 A CN106151045 A CN 106151045A
- Authority
- CN
- China
- Prior art keywords
- oil
- cylinder
- storage tank
- gas
- oil storage
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
Abstract
The invention discloses aluminium section bar processing source of the gas auxiliary cooler in air compressor, including cylinder and cover plate, dividing plate it is provided with in cylinder, dividing plate will be divided into top oil separating device and bottom chiller two parts in cylinder, oil separating device includes that oil storage tank, deflection plate, filter, oil storage tank, deflection plate and filter are in turn secured between two gripper shoes from down to up.Chiller includes gas cooling coil and oil cooling coil pipe, and the inlet tube of gas cooling coil connects cylinder internal upper part chamber through dividing plate, and the inlet tube of oil cooling coil pipe sequentially passes through and communicates with inside oil storage tank bottom dividing plate, oil storage tank.The oil that can efficiently separate in compressed gas divides, and structure neat compact, it is achieved separating of oil, compressed gas cooling and oil cooling integration.
Description
Technical field
The present invention relates to a kind of aluminium alloy extrusions processing auxiliary equipment, be specifically related to aluminium section bar processing source of the gas auxiliary empty
Press cooler.
Background technology
Aluminium section bar is ferrum or steel and the material (such as plastics, aluminum, glass fibre etc.) with some strength and toughness passes through
Roll, extrude, the object with certain geometrical shape that the technique such as casting is made.Wherein aluminium section bar i.e. aluminium alloy extrusions, due to
Its lighter weight, light and excellent corrosion resistance is used deeply to be welcome by everybody.Aluminium section bar process equipment mainly includes double end
Saw and single head are sawed, and are used for cutting major ingredient;Angle-code saw, is used for cutting corner fittings, the accessory small powder of connector etc;Corner combining machine, coordinates
Major ingredient is combined into window frame by small powder;Section milling, the material type connected for deep processing T, middle stile;Punch press, for deeply adding
The hole that work all material relates to, such as hole for injecting glue, osculum etc..But these equipment are required for the ginseng of pneumatic tool and compressed air source unit
With, the compression of such as all material and feeding.Compressed air source unit refers mainly to the device in air compression station, compresses including air
Machine, cooler, oil eliminator and gas tank etc..Large-scale aluminium section bar commercial production is generally screw compression with air compressor
Machine, noise is little, effective, it is also possible to select pneumatic electric drill.Helical-lobe compressor can be divided into dry type and wet type two kinds, and dry type i.e. works
Not oil spout in chamber, compressed gas will not be contaminated, and wet type refers to spray into lubricating oil in working chamber with cooling by compressed gas, improves
Seal, and Castor Oil yin, yang rotor and bearing, it is achieved self transmission.In compressor operation, from handpiece of air compressor out
High temperature and high pressure gas can carry big and small oil droplet secretly, too much lubricating oil enters after cooler with compressed gas, Jiu Huizeng
Add thermal resistance, reduce the heat transfer property of heat exchanger, reduce the service life of heat exchanger, increase maintenance cost, even carry lubricating oil
Compressed gas arrive and use terminal, can affect aluminium section bar processing effect, pollute processing aluminium section bar parts.
Therefore oil eliminator is set between compressor and cooler, by the lubricating oil separation in compressed gas out, subtracts
Few lubricating oil enters cooler, uses terminal to have a negative impact.Owing to gs-oil separator external in compressed air source unit exists
The problems such as pipeline is complicated, system is huge, pressure drop is bigger, use built-in oil separating device integral type cooler in prior art.So
And, this built-in oil separating device integral type cooler, the High Temperature High Pressure compressed gas carrying lubricating oil secretly is entered by cooler cylinder
Directly carry out Oil-gas Separation through filter element afterwards, owing to gas flow rate is too high, time of staying end in filter element and cause Oil-gas Separation not
Sufficiently problem.
Summary of the invention
The technical problem to be solved is that in built-in oil separating device integral type cooler, Oil-gas Separation is insufficient
Problem, it is therefore intended that provide aluminium section bar processing source of the gas auxiliary cooler in air compressor, the oil that can efficiently separate in compressed gas divides,
And structure neat compact.
The present invention is achieved through the following technical solutions:
Aluminium section bar processing source of the gas auxiliary cooler in air compressor, including cylinder, the axial both ends open of described cylinder is close by cover plate
Envelope, is provided with dividing plate in cylinder, dividing plate will be divided into top oil separating device and bottom chiller two parts in cylinder, described oil divides
Including oil storage tank, deflection plate, filter and two gripper shoes from device, described gripper shoe is fixed on cylinder internal upper part and difference position
In cylinder at two-port, oil storage tank, deflection plate and filter are in turn secured between two gripper shoes from down to up, filter
For arc tabular, the filter curved edge axially in parallel with cylinder matches fixing with oil storage tank, and deflection plate is axial with cylinder
Parallel both sides are fixed on oil storage tank, and air inlet pipe is passed through above oil storage tank through filter, deflection plate, described chiller bag
Including gas cooling coil and oil cooling coil pipe, the inlet tube of described gas cooling coil connects cylinder internal upper part chamber through dividing plate
Room, the inlet tube of described oil cooling coil pipe sequentially passes through and communicates with inside oil storage tank bottom dividing plate, oil storage tank, sets in cylinder bottom
Putting gas cooling coil and the outlet of oil cooling coil pipe, cover plate is provided with cooling medium inlet and cooling medium outlet.
The cooler of the present invention includes chiller and gas and oil separating plant, and wherein gas and oil separating plant mainly includes oil storage
Groove, deflection plate, filter and gripper shoe.Gripper shoe mainly play fixed supporting role;Oil storage tank, deflection plate and filter are at cylinder
Axial two ends can be fixed by welding in two gripper shoes, and deflection plate acts primarily as Oil-gas Separation and the effect of gas distribution,
By deflection plate, compressed gas can carry out preliminary Oil-gas Separation to process, air-flow changes the flow direction and speed after running into obstacle, makes
Constantly in obstacle circle, coalescence, can be real by deflection plate finally by flowing in oil storage tank under gravitational settling for cold oil in gas
Now to the separation of relatively larger oil droplet in gas.Meanwhile, air-flow is again by after deflection plate, and gas flow rate can weaken relatively, and baffling
The passage of plate has the effect of redistribution to compressed gas, makes to pass through to filter with equally distributed state by the gas of deflection plate
Device carries out secondary oil separation, is effectively improved secondary oil separation efficiency;Filter is set to arc tabular, is equivalent to tubular element
Arch section structure after axially cutting, or be the structure of the filter material such as sandwiched filter screen between two pieces of arcs, filter can be increased
Effective filtration area, improve filter efficiency, filter mainly by affine Accumulation Mechanism realize little oil droplet is efficiently separated,
Oil microgranule, through the diffusion of filter material, is directly intercepted by filter material and the mechanism such as inertial collision cohesion, makes in compressed air
Suspended oil microgranule is quickly condensed into larger oil droplet, is collected under gravity bottom oil point core, instills in oil storage tank;Finally by
It is arranged on the oil return pipe of recess in oil storage tank to be returned in compressor head lubricating system by oil.Filter is axially in parallel with cylinder
Curved edge match fixing with oil storage tank, can make separating of oil compacter with cooling integrated machine structure, effectively utilize cylinder
Interior space.
To be divided into upper and lower two chambers inside cooler by dividing plate, upper chamber is oil separating device, lower chamber
For chiller, can effectively prevent oil separating device from the pollution of cooling-part reducing the heat transference efficiency of heat exchanger tube, simultaneously
It is also beneficial to cooling-part or separating of oil parts are keeped in repair respectively and managed.General employing shell and tube heat exchange in prior art
Device, cooling medium circulates in tube side, and compressed gas circulates cooling in shell side, has that compressed gas pressure drop is big, gas skewness
Even problem, the present invention is circulated in tube side by compressed gas, advantageously reduces pressure drop, solve gas skewness simultaneously
Problem, by cooling medium shell side internal circulation flow improve cooling effect;Due to the lubricating oil carrying secretly out from compressor
Temperature is higher, needs to carry out cooling process and could return in compressor, therefore from gas after being separated by oil separating device
Oil cooling coil pipe is set in cooler cylinder, it is achieved that separating of oil, oil cooling and compressed gas cooling integration, simplifies existing
The pipeline that in technology, each accessory device is complicated is had to connect.
In cooler work process, fuel injection helical lobe compressor high temperature and high pressure gas out entered cylinder by air inlet pipe
In, successively separate with filter secondary olein through deflection plate once oil crude separation and reduction of speed redistribution effect, it is achieved to compression
Gas the most separating of oil.Compressed gas clean after the most separating of oil is by filter outer wall, oil storage tank outer wall, dividing plate and cylinder
Interstitial diffusion between wall, the inlet tube of gas cooling coil circulate in entering gas cooling coil, the profit being separated
Lubricating oil circulates in entering oil cooling coil pipe by the inlet tube of oil cooling coil pipe, and cooling medium circulates at heat exchanger tube shell side,
Heat exchange efficiency can be changed by adjusting flow velocity and the temperature of cooling medium, different compressed gas and lubricating oil carried out at cooling
Reason.
Described air inlet pipe is to have the branch pipe of two arms, and two branch outlet ends are respectively facing the two-port of cylinder
Place, the angle between supervisor and the branched pipe of air inlet pipe is for more than 90 ° and less than 180 °.
Air inlet pipe can be arranged on the top of cylinder geometric center, and be provided with the branch pipe of two arms, will compression
Gas axial distribution in cylinder comes, by by inclination that the angle between supervisor and the branched pipe of air inlet pipe is 90~180 °
Angle, can play cushioning effect to High Temperature High Pressure compressed gas air inlet, and the angle between supervisor and the branched pipe of air inlet pipe is preferably
75°。
Described deflection plate is made up of bad arc.
Mainly play oil gas crude separation and the effect of gas distribution due to deflection plate, deflection plate is set to arc and hardens
Structure, and the most bad arc plate structure, and the angle of minor arc is preferably 90 °, when deflection plate by angle more than 90 ° of bad arc structures
Cheng Shi, deflection plate mainly plays gas distribution effect;When being made up of less than 90 ° of bad arcs angle when deflection plate, deflection plate
The main effect playing oil gas crude separation, and angle is the least, deflection plate is the biggest to the inhibition of gas, and the pressure drop of generation is more
Greatly.
The horizontal type cooler inside setting gas and oil separating plant also includes baffle plate, and described baffle plate is fixed by two gripper shoes, and
Between oil storage tank and the outlet of air inlet pipe, baffle plate is furnished with at least one through hole.
By arranging baffle plate between oil storage tank and the outlet of air inlet pipe, and control to keep baffle plate to be positioned at oil by oil return pipe
Between liquid level and air inlet pipe outlet, oil in oil storage tank is caused disturbance by the compressed gas mainly preventing air inlet pipe to be passed through, and even has
A small amount of gas enters return duct and affects quality and the lubricant effect of lubricating oil, divides through the oil of deflection plate and separate with filter and passes through
Through hole flows in oil storage tank.
Described dividing plate is arcuate structure, and the concave surface of arcuate structure is towards oil storage tank.
By dividing plate is set to arcuate structure, and the concave surface of arcuate structure is towards oil storage tank, can improve inside cooler
The utilization rate in space;Sub-elliptical ring is constituted by filter outer wall, oil storage tank outer wall, division board arc-shaped concave and cylinder inboard wall
The passage of structure, circulates, finally from the entrance of gas cooling coil through filter clean compressed gas out in circular passage
Pipe flow enters to carry out cooling process, and the internal diameter of the pipeline that compressed gas flows through is less, the pressure therefore caused gas in cooling procedure
Drop less.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention is that source of the gas auxiliary cooler in air compressor processed by aluminium section bar, after compressed gas enters cooler cylinder, successively
Separate with filter secondary olein through deflection plate once oil crude separation, fully realize efficiently separating that oil in compressed gas divides;
2, the present invention is that source of the gas auxiliary cooler in air compressor processed by aluminium section bar, sets between filter by exporting in air inlet pipe
Put deflection plate, the reduction of speed to gas and redistribution effect can be realized, make the compressed gas by deflection plate be uniformly distributed by mistake
Filter, and relatively add the gas time of staying in the filter, thus add oil gas separation;
3, the present invention is that aluminium section bar processes source of the gas auxiliary cooler in air compressor, by gripper shoe by oil storage tank, deflection plate and mistake
Filter is fixed successively, structure neat compact;
4, the present invention is that source of the gas auxiliary cooler in air compressor processed by aluminium section bar, can carry out Oil-gas Separation, compressed gas cooling simultaneously
With the cooling process work of lubricating oil, simplify compressed air source unit circuit design, improve compressed air source unit cycle efficieny.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is that the present invention faces cross section structure schematic diagram;
Fig. 2 is side cross-sectional structural representation of the present invention;
Fig. 3 is baffle arrangement schematic diagram of the present invention.
The parts title of labelling and correspondence in accompanying drawing: 1-air inlet pipe, 101-is responsible for, 102-branched pipe, 2-cylinder, and 3-covers
Plate, 4-cooling medium exports, 5-cooling medium inlet, 6-filter, 7-deflection plate, 701-cross bar, 702-arc, and 8-supports
Plate, 9-baffle plate, 10-oil storage tank, 11-gas cooling coil, 12-oil cooling coil pipe, 13-dividing plate, 14-through hole.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figures 1 to 3, aluminium section bar processing source of the gas auxiliary cooler in air compressor, including cylinder 2, the axial two ends of cylinder 2
Opening is sealed by cover plate 3, and cover plate 3 can be fixed in the two-port of cylinder 2 by flange fixing seal.It is welded with in cylinder 2
Dividing plate 13, dividing plate 13 is arcuate structure, and the concave surface of arcuate structure is divided into top towards oil storage tank 10, dividing plate 13 in cylinder 2
Oil separating device and bottom chiller two parts.Oil separating device includes oil storage tank 10, deflection plate 7, filter 6 and two
Fagging 8.Gripper shoe 8 is fixedly welded on cylinder 2 internal upper part, and lays respectively in cylinder 2 at two-port.Oil storage tank 10, deflection plate 7
With filter 6 is set in turn between two gripper shoes 8 from down to up, oil storage tank 10 and deflection plate 7 are fixedly welded on two
On fagging 8.Filter 6 is provided with by two pieces to be fixed filter element between the arc tabular of through hole and constitutes, and filter 6 is axially put down with cylinder 2
The curved edge of row offers groove, by the groove of axially in parallel with cylinder 2 for oil storage tank 10 curved edge insertion filter 6 again
By bolt, filter 6 is fixed with oil storage tank 10, it is achieved filter 6 is detachably installed with oil storage tank 10, convenient filter 6
Cleaned and changed.Deflection plate 7 is that 90 ° of bad arcs 702 are constituted by cross bar 701 is fixing by some angles, deflection plate 7 and cylinder 2
Axially in parallel both sides are fixedly welded on oil storage tank 10.Also including baffle plate 9, baffle plate 9 is fixed by two gripper shoes 8, and position
Between the outlet of oil storage tank 10 and air inlet pipe 1, baffle plate 9 is evenly distributed with some through holes 14.Air inlet pipe 1 is for there being two arms 102
Branch pipe, and two arm 102 ports of export are respectively facing at the two-port of cylinder 2, the supervisor 101 of air inlet pipe 1 and branched pipe
Angle between 102 is 120 °.Air inlet pipe 1 is passed through above oil storage tank 10 through filter 6, deflection plate 7.
Chiller includes gas cooling coil 11 and oil cooling coil pipe 12, the inlet tube of gas cooling coil 11 through every
Plate 13 connects cylinder 2 internal upper part chamber and inlet tube is located at the lowest concave of dividing plate 13, and the inlet tube of oil cooling coil pipe 12 is successively
Communicate with oil storage tank 10 inside bottom dividing plate 13, oil storage tank 10, gas cooling coil 11 is set in cylinder 2 bottom and oil is cold
But the outlet of coil pipe 12, cover plate 3 is provided with cooling medium inlet 5 and cooling medium outlet 4.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (5)
1. aluminium section bar processing source of the gas auxiliary cooler in air compressor, including cylinder (2), described cylinder (2) axially both ends open leads to
Cross cover plate (3) seal, be provided with dividing plate (13) in cylinder (2), dividing plate (13) by be divided in cylinder (2) top oil separating device and under
Portion's chiller two parts, it is characterised in that described oil separating device includes oil storage tank (10), deflection plate (7), filter (6)
With two gripper shoes (8), described gripper shoe (8) is fixed on cylinder (2) internal upper part and lays respectively at cylinder (2) interior two-port,
Oil storage tank (10), deflection plate (7) and filter (6) are in turn secured between two gripper shoes (8) from down to up, filter (6)
For arc tabular, filter (6) curved edge axially in parallel with cylinder (2) matches fixing with oil storage tank (10), deflection plate
(7) both sides axially in parallel with cylinder (2) are fixed on oil storage tank (10), and air inlet pipe (1) passes filter (6), deflection plate (7)
Being passed through oil storage tank (10) top, described chiller includes gas cooling coil (11) and oil cooling coil pipe (12), described gas
The inlet tube of cooling coil (11) connects cylinder (2) internal upper part chamber, entering of described oil cooling coil pipe (12) through dividing plate (13)
Mouth pipe sequentially passes through dividing plate (13), oil storage tank (10) bottom communicates with oil storage tank (10) inside, arranges gas in cylinder (2) bottom
Cooling coil (11) and the outlet of oil cooling coil pipe (12), cover plate (3) is provided with cooling medium inlet (5) and cooling medium goes out
Mouth (4).
Aluminium section bar the most according to claim 1 processing source of the gas auxiliary cooler in air compressor, it is characterised in that described air inlet
Pipe (1) is the branch pipe having two arms, and two branch outlet ends are respectively facing at the two-port of cylinder (2), air inlet pipe (1)
Supervisor and branched pipe between angle be more than 90 ° and less than 180 °.
Aluminium section bar the most according to claim 1 processing source of the gas auxiliary cooler in air compressor, it is characterised in that described baffling
Plate (7) is made up of bad arc.
Aluminium section bar the most according to claim 1 processing source of the gas auxiliary cooler in air compressor, it is characterised in that also include gear
Plate (9), described baffle plate (9) is fixing by two gripper shoes (8), and is positioned between the outlet of oil storage tank (10) and air inlet pipe (1),
At least one through hole (14) it is furnished with on baffle plate (9).
Aluminium section bar the most according to claim 1 processing source of the gas auxiliary cooler in air compressor, it is characterised in that described dividing plate
(13) it is arcuate structure, and the concave surface of arcuate structure is towards oil storage tank (10).
Priority Applications (1)
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CN201610745154.2A CN106151045A (en) | 2016-08-29 | 2016-08-29 | Aluminium section bar processing source of the gas auxiliary cooler in air compressor |
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CN201610745154.2A CN106151045A (en) | 2016-08-29 | 2016-08-29 | Aluminium section bar processing source of the gas auxiliary cooler in air compressor |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS56168776U (en) * | 1980-05-15 | 1981-12-14 | ||
CN102767521A (en) * | 2012-07-27 | 2012-11-07 | 复盛实业(上海)有限公司 | Oil amount adjusting method and system of oil jet screw compressor, and oil jet screw compressor |
CN103398512A (en) * | 2013-07-05 | 2013-11-20 | 广东申菱空调设备有限公司 | Condenser with oil separator internally arranged |
CN204593973U (en) * | 2015-03-23 | 2015-08-26 | 珠海格力电器股份有限公司 | Oil-return type condenser and air-conditioning system |
CN204665768U (en) * | 2015-05-29 | 2015-09-23 | 珠海格力电器股份有限公司 | A kind of heat transmission equipment and oil-return type condenser thereof |
CN205245620U (en) * | 2015-11-04 | 2016-05-18 | 麦克维尔空调制冷(武汉)有限公司 | Condenser and contain heat transfer system of this condenser |
-
2016
- 2016-08-29 CN CN201610745154.2A patent/CN106151045A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56168776U (en) * | 1980-05-15 | 1981-12-14 | ||
CN102767521A (en) * | 2012-07-27 | 2012-11-07 | 复盛实业(上海)有限公司 | Oil amount adjusting method and system of oil jet screw compressor, and oil jet screw compressor |
CN103398512A (en) * | 2013-07-05 | 2013-11-20 | 广东申菱空调设备有限公司 | Condenser with oil separator internally arranged |
CN204593973U (en) * | 2015-03-23 | 2015-08-26 | 珠海格力电器股份有限公司 | Oil-return type condenser and air-conditioning system |
CN204665768U (en) * | 2015-05-29 | 2015-09-23 | 珠海格力电器股份有限公司 | A kind of heat transmission equipment and oil-return type condenser thereof |
CN205245620U (en) * | 2015-11-04 | 2016-05-18 | 麦克维尔空调制冷(武汉)有限公司 | Condenser and contain heat transfer system of this condenser |
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