CN106403071A - Double-compressor pipeline structure - Google Patents
Double-compressor pipeline structure Download PDFInfo
- Publication number
- CN106403071A CN106403071A CN201611070974.2A CN201611070974A CN106403071A CN 106403071 A CN106403071 A CN 106403071A CN 201611070974 A CN201611070974 A CN 201611070974A CN 106403071 A CN106403071 A CN 106403071A
- Authority
- CN
- China
- Prior art keywords
- compressor
- double
- pipeline structure
- heat exchanger
- type
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/10—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
Abstract
The invention discloses a double-compressor pipeline structure. The double-compressor pipeline structure comprises two compressors, a Y-shaped tee and a plate heat exchanger, wherein distribution pipes are respectively arranged between the two compressors and the Y-shaped tee, the compressors communicate with the Y-shaped tee by virtue of the distribution pipes, the plate heat exchanger and the Y-shaped tee are arranged in parallel, a liquid outlet pipe is arranged between the plate heat exchanger and the Y-shaped tee, the liquid outlet pipe is perpendicular to the plate heat exchanger, and the plate heat exchanger communicates with the Y-shaped tee by virtue of the liquid outlet pipe. According to the double-compressor pipeline structure, the Y-shaped tee and the plate heat exchanger are arranged in parallel, and additionally, the liquid outlet pipe is perpendicular to the plate heat exchanger, so that refrigerant is uniformly distributed to each compressor, and the use effect and service life of the compressors are effectively improved.
Description
Technical field
The present invention relates to air-conditioning equipment field, more particularly, to a kind of double-compressor pipeline structure.
Background technology
The refrigerating function of air-conditioning equipment is realized by compressor, and the requirement to air conditioner refrigerating function when actually used is got over
Come higher.Refrigeration in order to meet air-conditioning requires, and conventional mode is to provide double-compressor structure for air-conditioning.
The pipeline of two compressors is simply simply arranged in parallel by existing technology, which increases air conditioning unit pipeline
Complexity, complicated circuit design also results in pipeline vibration and cold-producing medium and produces noise to line shock.Two pressures
The pipeline of contracting machine is simply arranged in parallel the maximum impact of generation and is so that flow distribution of refrigerant is uneven, the system of every compressor
Life-span and using effect are thought in the use that cryogen content difference can have a strong impact on air-conditioning.
Content of the invention
It is an object of the invention to provide a kind of double-compressor pipeline structure, cold-producing medium is made to be evenly distributed to every compression
Machine, also reduces noise during cold-producing medium flowing.
For reaching this purpose, the present invention employs the following technical solutions：
A kind of double-compressor pipeline structure, including two compressors, Y-type three way type and plate type heat exchanger, every described compression
It is provided with separating tube between machine and described Y-type three way type, described plate type heat exchanger is be arranged in parallel with described Y-type three way type, described board-like change
It is provided with drain pipe, described drain pipe is vertically arranged with described plate type heat exchanger between hot device and described Y-type three way type.
Preferably, described separating tube is provided with electromagnetic valve.
Preferably, described separating tube is provided with acoustic filter.
Preferably, the quantity of the described acoustic filter on each described separating tube is two, one of described acoustic filter
Axis and described compressor diameter parallel, the axis of another described acoustic filter is vertical with the axis of described compressor.
Preferably, the position of one of described acoustic filter is less than the junction point of described compressor and described separating tube,
The position of another described acoustic filter is higher than the junction point of described compressor and described separating tube.
Preferably, described acoustic filter is cylindrical shape, the diameter with diameter greater than described separating tube of described acoustic filter.
Preferably, described plate type heat exchanger is provided with electric expansion valve.
Preferably, also including gs-oil separator, between described compressor and described gs-oil separator, it is provided with air-fuel mixture
Pipe, described oil gas mixing tube is connected in the top of described gs-oil separator side wall, and described oil gas mixing tube is provided with high-voltage switch gear.
Preferably, also including flowline, described flowline is connected in the bottom of described gs-oil separator.
Preferably, described flowline is provided with filter and capillary tube.
Beneficial effects of the present invention：By being provided parallel to Y-type three way type with plate type heat exchanger, drain pipe is arranged simultaneously
Being vertical with plate type heat exchanger it is achieved that being evenly distributed to cold-producing medium in every compressor, effectively improving making of compressor
With effect and service life.
Brief description
Fig. 1 is a kind of axonometric chart of double-compressor pipeline structure；
Fig. 2 is a kind of top view of double-compressor pipeline structure；
Fig. 3 is a kind of schematic diagram of double-compressor pipeline structure；
In figure：
1st, gs-oil separator；2nd, high-voltage switch gear；3rd, filter；4th, capillary tube；5th, compressor；6th, acoustic filter；7th, electromagnetic valve；
8th, Y-type three way type；9th, plate type heat exchanger；10th, electric expansion valve；11st, separating tube；12nd, drain pipe；13rd, oil gas mixing tube；14th, go out
Oil pipe.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
A kind of double-compressor pipeline structure as Figure 1-3, including two compressors 5, Y-type three way type 8 and plate-type heat-exchange
Device 9, is provided with separating tube 11 between every compressor 5 and Y-type three way type 8, compressor 5 is communicated by separating tube 11 with Y-type three way type 8,
Plate type heat exchanger 9 is provided parallel to Y-type three way type 8, between plate type heat exchanger 9 and Y-type three way type 8, is provided with drain pipe 12, will go out
Liquid pipe 12 is provided parallel to plate type heat exchanger 9, and plate type heat exchanger 9 is communicated by drain pipe 12 with Y-type three way type 8.
Specifically as shown in figure 1, every compressor 5 corresponds to an interface of Y-type three way type 8, the refrigeration in plate type heat exchanger 9
Agent enters Y-type three way type 8 by drain pipe 12, and cold-producing medium is divided into two by Y-type three way type 8 and respectively enters every compressor 5 correspondence
Separating tube 11.In order to ensure the cold-producing medium being assigned in every separating tube 11 uniformly, the axis of Y-type three way type 8 is changed with board-like
Hot device 9 is provided parallel to, and the axis of drain pipe 12 and plate type heat exchanger 9 are set to vertical, are arranged by such, from plate-type heat-exchange
The speed of cold-producing medium that device 9 flows into drain pipe 12 is vertical with the axis of Y-type three way type 8, because cold-producing medium is entering Y-type three way type 8
That moment only can produce the acceleration on vertical direction by self gravitation, so entering the speed of the cold-producing medium after Y-type three way type 8
Degree projection in the horizontal direction is vertical with the axis of Y-type three way type 8, enters the speed of the cold-producing medium after Y-type three way type 8 vertically
Projection and Y-type three way type 8 diameter parallel, also ensure that cold-producing medium is assigned to every separating tube 11 after passing through Y-type three way type 8
In amount be uniform.
In order to verify the accuracy of above-mentioned design, two kinds of dosage are set to cold-producing medium out in plate type heat exchanger 9, then
Detect the temperature of every separating tube 11 effect to reach indirect detection dosage respectively.The temperature on every separating tube 11 detecting
Degree result shows, negligible with respect to the numerical value of temperature with temperature deviation value under dose, so said structure is protected completely
Demonstrate,prove and divided liquid uniform cold-producing medium.
In the schematic diagram of double-compressor pipeline structure as shown in Figure 3, separating tube 11 is provided with electromagnetic valve 7.
Specifically, on separating tube 11, setting electromagnetic valve 7 is coordinated with compressor 5, can control every compressor 5 respectively
Electromagnetic valve 7 on corresponding separating tube 11, and then control the unlatching of stream of compressor 5 and closure, can reach cold-producing medium by
The purpose that need to distribute.
In the present embodiment, separating tube 11 is provided with acoustic filter 6.
Specifically, cold-producing medium can occur the change in the speed and direction flowed after entering separating tube 11 from Y-type three way type 8,
Can there is certain impact to separating tube 11 and then produce noise and vibration, one acoustic filter 6 of setting reduces cold-producing medium in separating tube
The noise producing in 11.
In the present embodiment, the using effect in order to strengthen acoustic filter 6 further provides two on every separating tube 11
Individual acoustic filter 6, one of acoustic filter 6 is to be vertically arranged namely the diameter parallel with compressor 5, and another acoustic filter 6 is water
Put down and arrange namely vertical with the axis of compressor 5.
The height in the specific implementation acoustic filter 6 installed also is defined further, and one of acoustic filter 6 is installed
Position be vertically lower than the junction point of compressor 5 and separating tube 11, the position that another acoustic filter 6 is installed is vertical
It is higher than the junction point of compressor 5 and separating tube 11 on direction.
In the present embodiment, acoustic filter 6 is cylindrical shape, the diameter with diameter greater than separating tube 11 of acoustic filter 6.
Specifically, the diameter of acoustic filter 6 is set greater than the diameter of separating tube 11, is also achieved that the section of acoustic filter 6
The long-pending sectional area more than separating tube 11, the cold-producing medium stream in separating tube 11 through during acoustic filter 6 because the sectional area on path is rapid
Refrigerant flow rates can be reduced after increase, the sound of cold-producing medium flowing can be reduced.
In the present embodiment, corresponding reconnaissance experiment is carried out to the acceleration condition of cold-producing medium before and after addition acoustic filter 6：
It is the acceleration information adding before acoustic filter 6 as shown in Table 1：
Table one
It is the acceleration information adding after acoustic filter 6 as shown in Table 2：
Table two
Selected point is to randomly choose.
In the present embodiment, plate type heat exchanger 9 is provided with electric expansion valve 10, strengthens plate type heat exchanger 9 and cold-producing medium is divided
Regulatory function during liquid.
The present embodiment also provides gs-oil separator 1, is provided with oil gas mixing tube 13 between compressor 5 and gs-oil separator 1, pressure
The lubricating oil that contracting machine 5 is discharged enters gs-oil separator 1 with refrigerant mixture by oil gas mixing tube 13, and oil gas mixing tube 13 is even
In the top of gs-oil separator 1 side wall, oil gas mixing tube 13 is provided with high-voltage switch gear 2 for the protection to gs-oil separator 1.
The present embodiment also provides flowline 14, and flowline 14 is connected in the bottom of gs-oil separator 1.
Specifically, flowline 14 one end is connected to the bottom of gs-oil separator 1, and the other end can be with the air inlet pipe of compressor 5
Road is connected, and returns to compressor 5 by air inlet pipeline.
In the present embodiment, flowline 14 is provided with filter 3 and capillary tube 4, and the lubricating oil in flowline 14 passed through
The impurity in lubricating oil is eliminated further after filter 3 and capillary tube 4.
Obviously, the above embodiment of the present invention is used for the purpose of clearly example of the present invention being described, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.All this
Any modification, equivalent and improvement made within the spirit of invention and principle etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of double-compressor pipeline structure is it is characterised in that include two compressors, Y-type three way type and plate type heat exchanger, every
It is provided with separating tube, described plate type heat exchanger is be arranged in parallel with described Y-type three way type, institute between described compressor and described Y-type three way type
State and be provided with drain pipe between plate type heat exchanger and described Y-type three way type, described drain pipe is vertically arranged with described plate type heat exchanger.
2. a kind of double-compressor pipeline structure according to claim 1 is it is characterised in that described separating tube is provided with electromagnetism
Valve.
3. a kind of double-compressor pipeline structure according to claim 1 is it is characterised in that described separating tube is provided with noise elimination
Device.
4. a kind of double-compressor pipeline structure according to claim 3 is it is characterised in that institute on each described separating tube
The quantity stating acoustic filter is two, the axis of one of described acoustic filter and the diameter parallel of described compressor, another institute
The axis stating acoustic filter is vertical with the axis of described compressor.
5. a kind of double-compressor pipeline structure according to claim 4 is it is characterised in that one of described acoustic filter
Position is less than the junction point of described compressor and described separating tube, the position of another described acoustic filter be higher than described compressor with
The junction point of described separating tube.
6. a kind of double-compressor pipeline structure according to claim 3 is it is characterised in that described acoustic filter is cylinder
Shape, the diameter with diameter greater than described separating tube of described acoustic filter.
7. a kind of double-compressor pipeline structure according to claim 1 is it is characterised in that described plate type heat exchanger is provided with
Electric expansion valve.
8. a kind of double-compressor pipeline structure according to claim 1 is it is characterised in that also include gs-oil separator, institute
State and be provided with oil gas mixing tube between compressor and described gs-oil separator, described oil gas mixing tube is connected in described gs-oil separator side
The top of wall, described oil gas mixing tube is provided with high-voltage switch gear.
9. a kind of double-compressor pipeline structure according to claim 8 is it is characterised in that also include flowline, described go out
Oil pipe is connected in the bottom of described gs-oil separator.
10. a kind of double-compressor pipeline structure according to claim 9 was it is characterised in that described flowline was provided with
Filter and capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070974.2A CN106403071A (en) | 2016-11-28 | 2016-11-28 | Double-compressor pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070974.2A CN106403071A (en) | 2016-11-28 | 2016-11-28 | Double-compressor pipeline structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403071A true CN106403071A (en) | 2017-02-15 |
Family
ID=58083690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611070974.2A Pending CN106403071A (en) | 2016-11-28 | 2016-11-28 | Double-compressor pipeline structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403071A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429084A (en) * | 1972-06-19 | 1976-03-24 | Westinghouse Electric Corp | Multiple compressor refrigeration system |
| JP2000146323A (en) * | 1998-11-16 | 2000-05-26 | Toshiba Corp | Air conditioner |
| US20090229301A1 (en) * | 2006-05-31 | 2009-09-17 | Satoru Sakae | Refrigeration system |
| CN201396861Y (en) * | 2009-05-14 | 2010-02-03 | 海信（山东）空调有限公司 | Cooling and warming type frequency-change air conditioner with silencing device |
| CN201983540U (en) * | 2011-01-14 | 2011-09-21 | 宁波奥克斯空调有限公司 | Air conditioning refrigerant shunting tee |
| CN202092504U (en) * | 2011-04-02 | 2011-12-28 | 珠海格力电器股份有限公司 | Heat exchanger and tee-shaped flow distributing and collecting device thereof |
| CN203518345U (en) * | 2013-08-16 | 2014-04-02 | 广州众信环境科技有限公司 | Double-compressor parallel structure |
| CN104501467A (en) * | 2014-12-31 | 2015-04-08 | 广东欧科空调制冷有限公司 | Oil balancing system of parallel multi-compressor unit |
| CN204678732U (en) * | 2015-06-08 | 2015-09-30 | 许可 | A kind of binary vortices refrigeration compressor set in parallel |
| CN206222537U (en) * | 2016-11-28 | 2017-06-06 | 广东欧科空调制冷有限公司 | A kind of double-compressor pipeline structure |
-
2016
- 2016-11-28 CN CN201611070974.2A patent/CN106403071A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429084A (en) * | 1972-06-19 | 1976-03-24 | Westinghouse Electric Corp | Multiple compressor refrigeration system |
| JP2000146323A (en) * | 1998-11-16 | 2000-05-26 | Toshiba Corp | Air conditioner |
| US20090229301A1 (en) * | 2006-05-31 | 2009-09-17 | Satoru Sakae | Refrigeration system |
| CN201396861Y (en) * | 2009-05-14 | 2010-02-03 | 海信（山东）空调有限公司 | Cooling and warming type frequency-change air conditioner with silencing device |
| CN201983540U (en) * | 2011-01-14 | 2011-09-21 | 宁波奥克斯空调有限公司 | Air conditioning refrigerant shunting tee |
| CN202092504U (en) * | 2011-04-02 | 2011-12-28 | 珠海格力电器股份有限公司 | Heat exchanger and tee-shaped flow distributing and collecting device thereof |
| CN203518345U (en) * | 2013-08-16 | 2014-04-02 | 广州众信环境科技有限公司 | Double-compressor parallel structure |
| CN104501467A (en) * | 2014-12-31 | 2015-04-08 | 广东欧科空调制冷有限公司 | Oil balancing system of parallel multi-compressor unit |
| CN204678732U (en) * | 2015-06-08 | 2015-09-30 | 许可 | A kind of binary vortices refrigeration compressor set in parallel |
| CN206222537U (en) * | 2016-11-28 | 2017-06-06 | 广东欧科空调制冷有限公司 | A kind of double-compressor pipeline structure |
Non-Patent Citations (4)
| Title |
|---|
| 华东电力管理局: "《电力工业词典》", 31 December 1989 * |
| 机织教研组: "《国外纺织机噪声控制有关资料》", 31 August 1972 * |
| 胡志强: "《环境与可靠性试验应用技术》", 31 August 2016 * |
| 费千: "《船舶辅机》", 30 September 2005 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102914101B (en) | Flash type economizer | |
| CN201724482U (en) | Refrigerant gas-liquid separation and liquid storage integrated device and air-conditioning system using refrigerant gas-liquid separation and liquid storage integrated device | |
| CN104019585B (en) | Flooded evaporator and full-liquid type air-conditioner set | |
| CN104034099B (en) | Refrigerating system with bypass pipeline | |
| CN102242992B (en) | Integration device for refrigerant vapor-liquid separation and liquid storage and air-conditioning system using same | |
| CN102829582A (en) | System and method for recovering refrigerant of air conditioner | |
| US20140326008A1 (en) | Air conditioner | |
| CN106288523A (en) | Condensation and falling film evaporation mixed heat exchanger | |
| WO2014144105A1 (en) | Side mounted refrigerant distributor in a flooded evaporator and side mounted inlet pipe to the distributor | |
| CN103292528A (en) | Efficient flash evaporator provided with liquid distribution branch pipes and used for vapor compression refrigeration system | |
| CN201666691U (en) | Cooling cycle system and air conditioner equipped with vapor-liquid separator | |
| CN201973964U (en) | Vertical evaporator with gas-liquid separation function | |
| CN102997505B (en) | Single-flow dry evaporator | |
| CN102878735B (en) | High-efficiency oil-gas separator and separation method thereof | |
| CN203949414U (en) | Flooded evaporator and full-liquid type air-conditioning unit | |
| CN104457030A (en) | Oil way system for parallel-connection type air conditioning unit and parallel-connection type air conditioning unit | |
| CN206222537U (en) | A kind of double-compressor pipeline structure | |
| CN202885366U (en) | Flash type economizer | |
| CN106403071A (en) | Double-compressor pipeline structure | |
| CN104567124A (en) | Condensing device | |
| KR102183547B1 (en) | Oil separator | |
| CN202092358U (en) | Hydraulic filling type water-cooling vortex machine set | |
| CN205425552U (en) | Flash vessel and air conditioner | |
| CN208887042U (en) | Heat recovery apparatus and air conditioner | |
| CN103615821A (en) | Refrigeration system with liquid separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
|
| RJ01 | Rejection of invention patent application after publication |