CN205481967U - Dodge refrigerating system that single -phase liquid uniform distribution of cold -peace refrigerant was crossed to gas bypass - Google Patents
Dodge refrigerating system that single -phase liquid uniform distribution of cold -peace refrigerant was crossed to gas bypass Download PDFInfo
- Publication number
- CN205481967U CN205481967U CN201620111850.3U CN201620111850U CN205481967U CN 205481967 U CN205481967 U CN 205481967U CN 201620111850 U CN201620111850 U CN 201620111850U CN 205481967 U CN205481967 U CN 205481967U
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- China
- Prior art keywords
- gas
- outlet
- diverter
- regenerator
- cold
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Abstract
The utility model discloses a dodge refrigerating system that single -phase liquid uniform distribution of cold -peace refrigerant was crossed to gas bypass. The utility model discloses the gas vent of compressor is connected with the entry of condenser, the export of condenser is connected with the entry of regenerator highly pressurised liquid side, the export of regenerator highly pressurised liquid side is connected with the entry of the inside heat exchanger of shunt, the export of the inside heat exchanger of shunt is connected with the import of choke valve, the export of choke valve is connected with the import of shunt, the gas outlet of shunt is connected with regenerator low tension side gas access, each flow path entry of the liquid outlet and evaporimeter of shunt is connected, the export of evaporimeter with the entry of compressor is connected. The utility model discloses can reduce the heat transfer difference in temperature of evaporimeter to a certain extent, reduce the irreversible loss of system, reduce frozen storage food drying loss, it is significant to high -efficient utilization of the energy and food storage.
Description
Technical field
This utility model relates to refrigeration technology field, in particular, relate to a kind of dodge gas bypass supercool and
The refrigeration system of cold-producing medium single-phase liquid uniform distribution.
Background technology
Along with world wide energy shortage problem and the aggravation of environmental problem, countries in the world man proposes energy-saving and emission-reduction
Policy.And much scholar and enterprise have all carried out substantial amounts of technical research in the policy around energy-saving and emission-reduction,
The especially conservation measures of refrigeration system.
At present, in the refrigeration system of liquid provision through direct expansion, cold-producing medium, after throttle mechanism, is become by single-phase liquid
For gas-liquid two-phase cold-producing medium.The existence of flash gas, does not only have cooling effect in vaporizer, but also
Account for most disengagement area, be that the heat exchange efficiency of vaporizer declines;Additionally gas out after throttling machine
Liquid two phase refrigerant should through diverter to each stream of vaporizer uniformly, the feed flow of equivalent.But owing to dodging
Get angry the interference of body, often result in vaporizer each stream feed flow uneven, not only affect the heat exchange effect of vaporizer
Really, cause the concussion of expansion valve, and then reduce the performance of whole refrigeration system, and cold-producing medium distribution inequality
Causing evaporimeter frosting uneven, evaporating pressure reduces, and heat transfer temperature difference increases, and causes chilled food drying loss,
Reduce the quality of food storage.
This utility model, for the defect of above-mentioned refrigeration system, utilizes the flash gas after throttling to make highly pressurised liquid
Cold-producing medium is supercool, not only improves the performance of refrigeration system, and makes the distribution of gas-liquid two-phase cold-producing medium be converted into
The distribution of single-phase liquid cold-producing medium, improves the allocation performance of diverter, improves the heat exchange efficiency of vaporizer, enters
And improve the performance of whole refrigeration system.
Utility model content
The purpose of this utility model is for technological deficiency present in prior art, enters existing diverter
Row structure is improved, and after making the cooling high pressure liquid refrigerant of the flash gas after throttling, sends compressor back to.Steaming
Send out in device, make the distribution of two phase flow be converted into the distribution of single-phase flow, eliminate the interference of gas phase, it is achieved to evaporation
The uniform feed flow of device, improves the heat exchange property of vaporizer;Liquor separator resistance is greatly lowered, and improves vapor pres-sure
Power, improves performance of refrigerant systems.
Be the technical scheme is that by realizing the purpose of utility model
A kind of gas that dodges bypasses supercool and the refrigeration system of cold-producing medium single-phase liquid uniform distribution, the row of compressor 1
QI KOU is connected with the entrance of condenser 2, the outlet of described condenser 2 and regenerator 3 high pressure liquid side
Entrance is connected, the outlet on described regenerator 3 high pressure liquid side and the entrance phase of diverter internal exchanger 4
Connecting, the outlet of described diverter internal exchanger 4 is connected with the import of choke valve 5, described choke valve 5
Outlet be connected with the import of diverter 6, the gas outlet of described diverter 6 and regenerator 3 low-pressure side
Gas access is connected, and the liquid outlet path inlet each with vaporizer 7 of described diverter 6 is connected, institute
The outlet stating vaporizer 7 is connected with the entrance of described compressor 1.
Described diverter internal exchanger is positioned at diverter top, copper pipe be coiled to form, or is material filling type.
The separating tube of described diverter is drawn by bottom and is connected respectively at each stream of vaporizer, described separatory
The gas outlet tube of device is drawn by top center and is connected with regenerator low-pressure side import.
Compared with prior art, the beneficial effects of the utility model are:
1. the flash gas after this utility model utilizes throttling is that highly pressurised liquid is supercool, improves the property of refrigeration system
Energy-conservation purpose can be reached
2. this utility model has different separatory principles from traditional diverter, compares traditional liquor separator,
Its pressure drop significantly reduces, and can improve evaporating pressure, improve performance of refrigerant systems.
3. two phase flow distribution complicated in liquor separator in refrigeration system is converted into single-phase flow point by this utility model
Join, it is to avoid the gas phase interference to allocation performance, it is achieved to the uniform feed flow of each stream of vaporizer,
Improve the heat exchange property of vaporizer, and then improve performance of refrigerant systems.
4. this utility model can reduce the heat transfer temperature difference of vaporizer to a certain extent, and that reduces system can not
Inverse loss, reduces chilled food drying loss, utilizes high efficiency of energy and food storage is significant.
Accompanying drawing explanation
Fig. 1 show flash gas and bypasses supercool and cold-producing medium single-phase liquid distribution system figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, native system is described in detail.
As it is shown in figure 1, the air vent of compressor 1 is connected with the entrance of condenser 2, described condenser 2
Outlet be connected with the entrance on regenerator 3 high pressure liquid side, the outlet on described regenerator 3 high pressure liquid side
It is connected with the entrance of diverter internal exchanger 4, the outlet of described diverter internal exchanger 4 and throttling
The import of valve 5 is connected, and the outlet of described choke valve 5 is connected with the import of diverter 6, described shunting
The gas outlet of device 6 is connected with regenerator 3 low-pressure side gas access, the liquid outlet of described diverter 6
Path inlet each with vaporizer 7 is connected, the outlet of described vaporizer 7 and the entrance phase of described compressor 1
Connect.
The supercool refrigeration system with cold-producing medium single-phase liquid uniform distribution of a kind of flash gas of this utility model bypass
Operation principle as follows:
The gas refrigerant of the High Temperature High Pressure discharged by compressor 1 enters condenser 2 heat release, is condensed into high pressure
The liquid refrigerant of middle temperature, subsequently into regenerator 3 by low-pressure gas supercool after, enter inside diverter and change
Hot device 4, flash gas and partially liq cold-producing medium after being throttled further are supercool, subsequently into choke valve 5
Becoming the gas-liquid two-phase cold-producing medium of low-temp low-pressure after reducing pressure by regulating flow, gas-liquid two-phase cold-producing medium enters novel gas phase and divides
After the single-phase diverter of formula liquid 6, gas-liquid two-phase is made to separate due to reduction of speed with action of gravity inside liquor separator,
Liquid is supplied uniformly across each stream of vaporizer 7 by the separating tube of liquor separator bottom, steams in vaporizer
Send out refrigeration, and gas and partially liq enter regenerator 3 after being absorbed heat by diverter internal exchanger 4, enter one
After step absorbs the heat of highly pressurised liquid, converge with the return-air of vaporizer, return the suction end of compressor 1.From
And complete to be changed into by flash gas the distribution of unidirectional liquid refrigerant by SAPMAC method and two phase flow distribution
Journey.
Claims (3)
1. one kind is dodged the supercool refrigeration system with cold-producing medium single-phase liquid uniform distribution of gas bypass, it is characterised in that
The air vent of compressor (1) is connected with the entrance of condenser (2), the outlet of described condenser (2) with
The entrance on regenerator (3) high pressure liquid side is connected, the outlet on described regenerator (3) high pressure liquid side with
The entrance of diverter internal exchanger (4) is connected, the outlet of described diverter internal exchanger (4) with
The import of choke valve (5) is connected, and the outlet of described choke valve (5) is connected with the import of diverter (6)
Connecing, the gas outlet of described diverter (6) is connected with regenerator (3) low-pressure side gas access, described
The liquid outlet of diverter (6) is connected with vaporizer (7) each path inlet, described vaporizer (7)
Outlet is connected with the entrance of described compressor (1).
The supercool refrigeration with cold-producing medium single-phase liquid uniform distribution of sudden strain of a muscle gas the most according to claim 1 bypass
System, it is characterised in that described diverter internal exchanger is positioned at diverter top, copper pipe be coiled to form,
Or be material filling type.
The supercool refrigeration with cold-producing medium single-phase liquid uniform distribution of sudden strain of a muscle gas the most according to claim 1 bypass
System, it is characterised in that the separating tube of described diverter is drawn respectively at each stream phase of vaporizer by bottom
Connecting, the gas outlet tube of described liquor separator is drawn by top center and is connected with regenerator low-pressure side import.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620111850.3U CN205481967U (en) | 2016-02-04 | 2016-02-04 | Dodge refrigerating system that single -phase liquid uniform distribution of cold -peace refrigerant was crossed to gas bypass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620111850.3U CN205481967U (en) | 2016-02-04 | 2016-02-04 | Dodge refrigerating system that single -phase liquid uniform distribution of cold -peace refrigerant was crossed to gas bypass |
Publications (1)
Publication Number | Publication Date |
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CN205481967U true CN205481967U (en) | 2016-08-17 |
Family
ID=56674696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620111850.3U Expired - Fee Related CN205481967U (en) | 2016-02-04 | 2016-02-04 | Dodge refrigerating system that single -phase liquid uniform distribution of cold -peace refrigerant was crossed to gas bypass |
Country Status (1)
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CN (1) | CN205481967U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105526745A (en) * | 2016-02-04 | 2016-04-27 | 天津商业大学 | Refrigerating system utilizing flash air to supercool high-pressure liquid refrigerant and realizing single-phase liquid-state uniform distribution of refrigerant |
-
2016
- 2016-02-04 CN CN201620111850.3U patent/CN205481967U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105526745A (en) * | 2016-02-04 | 2016-04-27 | 天津商业大学 | Refrigerating system utilizing flash air to supercool high-pressure liquid refrigerant and realizing single-phase liquid-state uniform distribution of refrigerant |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170204 |