CN104976832B - A kind of refrigerant condenser and its refrigerating method without refrigerant superheat section - Google Patents
A kind of refrigerant condenser and its refrigerating method without refrigerant superheat section Download PDFInfo
- Publication number
- CN104976832B CN104976832B CN201510468993.XA CN201510468993A CN104976832B CN 104976832 B CN104976832 B CN 104976832B CN 201510468993 A CN201510468993 A CN 201510468993A CN 104976832 B CN104976832 B CN 104976832B
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- China
- Prior art keywords
- pipe
- refrigerant
- horizontal lower
- heat exchanger
- liquid
- Prior art date
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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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/027—Condenser control arrangements
-
- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Abstract
The invention discloses a kind of refrigerant condenser and its refrigerating method without refrigerant superheat section, including horizontal lower end liquid pipe, multigroup vertical heat exchanger tube for being vertically arranged in horizontal lower end liquid pipe, every group has two vertical heat exchanger tubes compositions；Wherein, the upper and lower end of this two vertical heat exchanger tubes in each group is connected each via elbow respectively, and forms an independent loop；The one end pipeline of horizontal lower end liquid pipe, which is provided with air inlet pipe and drain pipe, the pipeline between air inlet pipe and drain pipe, is provided with liquid seal device, is separated air inlet pipe and drain pipe by liquid seal device.Refrigerant enters after air inlet pipe from compressor outlet, horizontally enter into again and mass-and heat-transfer is carried out after being mixed in horizontal lower end liquid pipe with the saturated liquid in horizontal lower end liquid pipe, mixed saturated gas carries out condensing heat-exchange by being assigned to communicating pipe in the vertical heat exchanger tube of each group；Now no longer there is superheated vapor in the vertical heat exchanger tube of each group, relative to prior art, condensing heat-exchange ability is greatly improved.
Description
Technical field
The present invention relates to field of Refrigeration and Air-conditioning, more particularly to a kind of refrigerant condenser and its refrigeration without refrigerant superheat section
Method.
Background technology
China's cooling industry Energy Efficiency Standard is improved constantly, while improving air-conditioning whole efficiency using enhanced heat exchange technology
Increase the volume of refrigerated heat exchanger.How to improve the exchange capability of heat of refrigerated heat exchanger becomes an important research topic.
Fig. 1 is current normal domestic use air conditioner outdoor unit structure figure.Air-conditioner outdoor unit heat exchanger tube is finned tube horizontal transverse-pipe
Arrangement, connection use hosepipe type, and air relies on blower fan forced convertion cooling heat transferring outside pipe, and refrigerant is compressed into through compressor
High temperature and high pressure gas, and enter condenser and air heat-exchange, refrigerant in pipe by superheated vapor, gas-liquid two-phase condensing heat-exchange extremely
Subcooled liquid.With the progress of condensation process, constantly there is condensate liquid to be formed in wall, hinder the heat exchange of steam and wall, structure
Into the dominant thermal resistance of heat exchange, the coefficient of heat transfer is reduced.With being on the increase for condensate liquid, the thickness of liquid film of wall is continuously increased,
The factor of brought refrigerant flow rates reduction is reduced plus vapor volume so that condensation effect drastically deteriorates.Air side, due to pipe
Inner condensat liquid thermal resistance causes the temperature drop of heat exchange pipe outer wall, the driving force reduction of heat exchange so that the heat exchange of Forced Air Convection
Amount is reduced.In order to reach enough heat exchange amounts, it is necessary to increasing heat exchange area meets heat transfer requirements, increased outside pipe using fin
Area improves cost of investment, and volume is also than larger.
The content of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art there is provided a kind of without refrigerant superheat section
Refrigerant condenser and its refrigerating method.Relative to prior art, superheat section heat exchange is replaced using condensing heat-exchange, due to condensing heat-exchange
Effect preferably, therefore can improve exchange capability of heat.
The present invention is achieved through the following technical solutions：
A kind of refrigerant condenser without refrigerant superheat section, it is characterised in that：Including horizontal lower end liquid pipe 3, it is vertically arranged
Multigroup vertical heat exchanger tube 1 in horizontal lower end liquid pipe 3, each group has two vertical heat exchanger tubes 1 to constitute；Wherein, in each group
The upper and lower ends of this two vertical heat exchanger tubes 1 connected respectively each via elbow, and form an independent loop；
The one end pipeline of the horizontal lower end liquid pipe 3 is provided with air inlet pipe 4 and drain pipe 6, in air inlet pipe 4 and drain pipe
Pipeline between 6 is provided with liquid seal device 5, is separated air inlet pipe 4 and drain pipe 6 by liquid seal device 5.
The lower end elbow of two vertical heat exchanger tubes 1 is passed through by communicating pipe 1-1 with horizontal lower end liquid pipe 3 in described each group
It is logical.
The axis and horizontal plane of the vertical heat exchanger tube 1 are perpendicular；The axis of the horizontal lower end liquid pipe 3 and horizontal plane phase
It is parallel.
The axis of the air inlet pipe 4 and the axis perpendicular of horizontal lower end liquid pipe 3.
The vertical heat exchanger tube 1 is provided with fin 2.
The control method of above-mentioned refrigerant condenser is as follows：
Refrigerant enters after air inlet pipe 4 from compressor outlet (with high pressure gaseous), then horizontally enters into horizontal lower end liquid
Mass-and heat-transfer is carried out after being mixed in pipe 3 with the saturated liquid in horizontal lower end liquid pipe 3, mixed saturated gas passes through communicating pipe
1-1 is assigned in the vertical heat exchanger tube 1 of each group and carries out condensing heat-exchange, and then, it is vertical that refrigerant vapour is condensed into liquid runs down
The inwall of heat exchanger tube 1 is flowed in horizontal lower end liquid pipe 3, and throttling machine is flow to through liquid seal device 5 after converging through horizontal lower end liquid pipe 3
Structure；Now in horizontal lower end liquid pipe 3 and the formation fluid-tight of liquid seal device 5, the refrigerant liquid outflow condenser while system of condensation
Refrigerant vapor can not flow out condenser.
The present invention has the following advantages and effect relative to prior art：
Refrigerant enters after air inlet pipe 4 from compressor outlet (with high pressure gaseous), then horizontally enters into horizontal lower end liquid
Mass-and heat-transfer is carried out after being mixed in pipe 3 with the saturated liquid in horizontal lower end liquid pipe 3, mixed saturated gas passes through communicating pipe
1-1 is assigned in the vertical heat exchanger tube 1 of each group and carries out condensing heat-exchange；Now no longer there is overheat in the vertical heat exchanger tube 1 of each group to steam
Gas, relative to prior art, condensing heat-exchange ability is greatly improved.
The one end pipeline of horizontal lower end liquid pipe 3 of the present invention is provided with air inlet pipe 4 and drain pipe 6, in air inlet pipe 4 with going out liquid
Pipeline between pipe 6 is provided with liquid seal device 5, is separated air inlet pipe 4 and drain pipe 6 by liquid seal device 5.The vertical heat exchange
The axis of pipe 1 and horizontal plane are perpendicular；The axis of the horizontal lower end liquid pipe 3 is parallel with horizontal plane.The change of the structure, by
In Action of Gravity Field so that condensate liquid has been flowed in lower end liquid pipe 3, the refrigerant liquid scale of construction accumulated in vertical heat exchanger tube 3 is reduced,
Namely reduce the liquid phase burden of condenser so that the filling quantity of refrigerant of air-conditioner set is reduced.
Because the refrigerant condensate film thickness in heat exchanger tube is thinned so that the condensing heat-exchange thermal resistance reduction of refrigerant side,
Cooling energy recovery increases, and condenser overall heat-transfer coefficient increase, heat exchange efficiency is improved.
The technological means that the present invention is used, can improve the heat exchange property of refrigerant condenser, and difficulty of processing is low, with low cost.
Brief description of the drawings
Fig. 1 is current normal domestic use air-conditioning condenser structure chart.
Fig. 2 is schematic structural view of the invention (front view).
Fig. 3 is structure top view of the present invention.
Fig. 4 is structure left view of the present invention.
Fig. 5 is the horizontal lower end liquid pipe structural representation of the present invention.
Embodiment
The present invention is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Fig. 1 to 5.Refrigerant condenser of the present invention without refrigerant superheat section, including it is horizontal lower end liquid pipe 3, vertical
Multigroup vertical heat exchanger tube 1 in horizontal lower end liquid pipe 3 is arranged on, each group there are two vertical heat exchanger tubes 1 to constitute；Wherein, it is each
The upper and lower end of this two vertical heat exchanger tubes 1 in group is connected each via elbow respectively, and forms an independent loop；
The one end pipeline of the horizontal lower end liquid pipe 3 is provided with air inlet pipe 4 and drain pipe 6, in air inlet pipe 4 and drain pipe
Pipeline between 6 is provided with liquid seal device 5, is separated air inlet pipe 4 and drain pipe 6 by liquid seal device 5.
The lower end elbow of two vertical heat exchanger tubes 1 is passed through by communicating pipe 1-1 with horizontal lower end liquid pipe 3 in described each group
It is logical.
The axis and horizontal plane of the vertical heat exchanger tube 1 are perpendicular；The axis of the horizontal lower end liquid pipe 3 and horizontal plane phase
It is parallel.
The axis of the air inlet pipe 4 and the axis perpendicular of horizontal lower end liquid pipe 3.
The vertical heat exchanger tube 1 is provided with fin 2.
The control method of above-mentioned refrigerant condenser can be achieved by the steps of：
Refrigerant enters after air inlet pipe 4 from compressor outlet (with high pressure gaseous), then horizontally enters into horizontal lower end liquid
Mass-and heat-transfer is carried out after being mixed in pipe 3 with the saturated liquid in horizontal lower end liquid pipe 3, mixed saturated gas passes through communicating pipe
1-1 is assigned in the vertical heat exchanger tube 1 of each group and carries out condensing heat-exchange, and then, it is vertical that refrigerant vapour is condensed into liquid runs down
The inwall of heat exchanger tube 1 is flowed in horizontal lower end liquid pipe 3, and throttling machine is flow to through liquid seal device 5 after converging through horizontal lower end liquid pipe 3
Structure；Now in horizontal lower end liquid pipe 3 and the formation fluid-tight of liquid seal device 5, the refrigerant liquid outflow condenser while system of condensation
Refrigerant vapor can not flow out condenser.
Become after carrying out heat and mass with refrigerant liquid phase in horizontal lower end liquid pipe 3 due to condenser inlet superheated vapor
No longer there is superheated vapor in saturated vapor, therefore vertical heat exchanger tube 1.And condensing heat-exchange ability is better than superheated vapor heat-energy transducer
Power, therefore the exchange capability of heat of condenser can be improved.
As described above, the present invention can be better realized.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With the change made under principle, modification, replacement, combine, simplify, should be equivalent substitute mode, be included in the present invention
Within protection domain.
Claims (4)
1. a kind of control method of the refrigerant condenser without refrigerant superheat section, the refrigerant condenser includes horizontal lower end liquid pipe
(3) multigroup vertical heat exchanger tube (1) in horizontal lower end liquid pipe (3), is vertically arranged in, each group there are two vertical heat exchanger tubes (1)
Constitute；Wherein, the upper and lower end of this two vertical heat exchanger tubes (1) in each group is connected each via elbow respectively, and forms one
Individual independent loop；
The one end pipeline of the horizontal lower end liquid pipe (3) is provided with air inlet pipe (4) and drain pipe (6), in air inlet pipe (4) with going out
Pipeline between liquid pipe (6) is provided with liquid seal device (5), is separated air inlet pipe (4) and drain pipe (6) by liquid seal device (5)；
The lower end elbow of two vertical heat exchanger tubes (1) is passed through by communicating pipe (1-1) with horizontal lower end liquid pipe (3) in described each group
It is logical；
It is characterized in that the control method of refrigerant condenser comprises the following steps：
Refrigerant from compressor outlet enter air inlet pipe (4) after, then horizontally enter into horizontal lower end liquid pipe (3) with horizontal lower end liquid
Mass-and heat-transfer is carried out after saturated liquid mixing in pipe (3), mixed saturated gas is assigned to respectively by communicating pipe (1-1)
Condensing heat-exchange is carried out in the vertical heat exchanger tube (1) of group, then, refrigerant vapour is condensed into the vertical heat exchanger tube of liquid runs down (1)
Inwall is flowed in horizontal lower end liquid pipe (3), and throttle mechanism is flow to through liquid seal device (5) after converging through horizontal lower end liquid pipe (3)；This
When horizontal lower end liquid pipe (3) and liquid seal device (5) formation fluid-tight, condensation refrigerant liquid outflow condenser while freeze
Agent steam can not flow out condenser.
2. the control method of the refrigerant condenser according to claim 1 without refrigerant superheat section, it is characterised in that：
The axis and horizontal plane of the vertical heat exchanger tube (1) are perpendicular；The axis and horizontal plane phase of the horizontal lower end liquid pipe (3)
It is parallel.
3. the control method of the refrigerant condenser according to claim 1 or claim 2 without refrigerant superheat section, it is characterised in that：Institute
State the axis of air inlet pipe (4) and the axis perpendicular of horizontal lower end liquid pipe (3).
4. the control method of the refrigerant condenser according to claim 3 without refrigerant superheat section, it is characterised in that：It is described perpendicular
Straight heat exchanger tube (1) is provided with fin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468993.XA CN104976832B (en) | 2015-07-31 | 2015-07-31 | A kind of refrigerant condenser and its refrigerating method without refrigerant superheat section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468993.XA CN104976832B (en) | 2015-07-31 | 2015-07-31 | A kind of refrigerant condenser and its refrigerating method without refrigerant superheat section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976832A CN104976832A (en) | 2015-10-14 |
| CN104976832B true CN104976832B (en) | 2017-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510468993.XA Expired - Fee Related CN104976832B (en) | 2015-07-31 | 2015-07-31 | A kind of refrigerant condenser and its refrigerating method without refrigerant superheat section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104976832B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB365763A (en) * | 1931-01-07 | 1932-01-28 | Lightfoot Refrigeration Compan | Improved means for removing non-condensable gases from refrigerating apparatus |
| CN103900164A (en) * | 2014-03-31 | 2014-07-02 | 华南理工大学 | Air-conditioning outdoor unit capable of reducing refrigerant charge and method implemented by air-conditioning outdoor unit |
| CN204438360U (en) * | 2015-01-15 | 2015-07-01 | 华南理工大学 | A kind of air-conditioner outdoor unit reducing filling quantity of refrigerant |
| CN204943978U (en) * | 2015-07-31 | 2016-01-06 | 华南理工大学 | A kind of refrigerant condenser without refrigerant superheat section |
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2015
- 2015-07-31 CN CN201510468993.XA patent/CN104976832B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104976832A (en) | 2015-10-14 |
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| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170825 Termination date: 20210731 |