CN109869939A - A kind of refrigeration system of multifunction refrigeration module and its composition - Google Patents
A kind of refrigeration system of multifunction refrigeration module and its composition Download PDFInfo
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- CN109869939A CN109869939A CN201910233022.5A CN201910233022A CN109869939A CN 109869939 A CN109869939 A CN 109869939A CN 201910233022 A CN201910233022 A CN 201910233022A CN 109869939 A CN109869939 A CN 109869939A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 126
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000004087 circulation Effects 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 210000004243 sweat Anatomy 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of multifunction refrigeration module and its refrigeration systems of composition, it is desirable to provide a kind of refrigeration module that can be realized a variety of circulations, and can be realized the refrigeration system of a variety of cryogenic temperatures.In the module, compressor, the first two-way valve, condenser, first throttle valve, the 4th two-way valve and evaporator return to compressor suction end after being sequentially connected forms single-stage compression refrigeration cycle；Compressor, the first two-way valve, condenser, first throttle valve, third two-way valve, heat exchanger, the 6th two-way valve return to compressor air suction end and form superposition type high-temperature level refrigeration cycle after being sequentially connected；Compressor, the second two-way valve, heat exchanger, the 5th two-way valve, second throttle, evaporator return to compressor suction end after being sequentially connected forms superposition type low-temperature level refrigeration cycle.The module for that can be arranged reasonable module number and function in refrigeration system depending on the temperature, the disadvantage for overcoming traditional folding type cooling system cryogenic temperature section fixed.
Description
Technical field
The present invention relates to refrigeration technology fields, and more specifically, it relates to one kind can be not only used for single stage compress refrigeration cycle
System can be used for the multifunction refrigeration module of cascade refrigeration high-temperature systems or cryogenic system and its refrigeration system of composition again.
Background technique
In terms of refrigeration, since single stage compress cooling cycle system cannot achieve cryogenic refrigeration, in order to obtain lower temperature
Degree uses folding type cooling system, often to obtain lower cryogenic temperature.In folding type cooling system, heat passes through low
Warm grade refrigeration system is absorbed heat from low-temperature heat source, passes to the condensation evaporation of connection low-temperature level refrigeration system and high-temperature level refrigeration system
Device, then transferred heat in hot environment by high-temperature level refrigeration system.Currently, the setting of overlapping refrigerating cycle system is compared
Fixed, traditional folding type cooling system generallys use condenser/evaporator and the heat that low-temperature level absorbs is reached high-temperature level, transmits
The mode of heat and the heat of transmitting are relatively simple, realize that cryogenic temperature section is relatively more fixed, are not easy to realize that medium temperature is freezed.
Summary of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide one kind can be realized a variety of circulations
Refrigeration module.
It is a further object to provide a kind of refrigeration systems that can be realized a variety of cryogenic temperatures.
The technical solution adopted to achieve the purpose of the present invention is:
A kind of multifunction refrigeration module, including compressor, condenser, evaporator, heat exchanger, first throttle valve, the second section
Valve is flowed, the exhaust end of the compressor is connect with the first interface of the first interface of the first two-way valve and the second two-way valve respectively,
The second interface of first two-way valve is successively connect with the condenser, the first throttle valve, the first throttle valve
Outlet is connect with the first interface of the first interface of third two-way valve and the 4th two-way valve respectively, and the second of second two-way valve
Interface is connect with the first interface of the first interface of the 6th two-way valve and the heat exchanger respectively, the second interface of the heat exchanger
Respectively with the first interface downlink connection of the second interface of the third two-way valve and the 5th two-way valve, the 5th two-way valve second
Interface is connect with the second throttle import, the import of the evaporator respectively with the outlet of the second throttle and described
The second interface of 4th two-way valve connects, the outlet of the evaporator respectively with the second interface of the 6th two-way valve and described
The suction end of compressor connects, and the heat exchanger is placed in storage heater；First two-way valve and the 4th two-way valve are opened,
Second two-way valve, the third two-way valve, the 5th two-way valve and the 6th two-way valve closure, the compressor,
First two-way valve, condenser, first throttle valve, the 4th two-way valve and the evaporator return to the compressor after being sequentially connected
Suction end forms single-stage compression refrigeration cycle；First two-way valve, third two-way valve and the 6th two-way valve are opened, and described the
Two two-way valves, the 4th two-way valve and the 5th two-way valve closure, the compressor, the first two-way valve, condenser, first throttle valve,
Third two-way valve, heat exchanger, the 6th two-way valve return to the compressor air suction end and form superposition type high-temperature level system after being sequentially connected
SAPMAC method；Second two-way valve and the 5th two-way valve are opened, first two-way valve, third two-way valve, the 4th liang it is logical
Valve and the 6th two-way valve closure, the compressor, the second two-way valve, heat exchanger, the 5th two-way valve, second throttle, steaming
Hair device returns to compressor suction end after being sequentially connected forms superposition type low-temperature level refrigeration cycle.
A kind of refrigeration system, including multifunction refrigeration module described at least three, each multifunction refrigeration module
Respectively as single-stage compression refrigeration cycle or superposition type low-temperature level refrigeration cycle or superposition type high-temperature level refrigeration cycle.
When multiple multifunction refrigeration module composition folding type cooling systems, it to be used for superposition type high-temperature level refrigeration cycle
The heat exchanger of the multifunction refrigeration module heat is absorbed from storage heater, for superposition type low-temperature level refrigeration cycle
The heat exchanger of the multifunction refrigeration module is discharged to the storage heater by the heat exchanger as superposition type high-temperature level refrigeration cycle
The heat of absorption.
Compared with prior art, the beneficial effects of the present invention are:
1, multifunction refrigeration module of the invention can pass through the unlatching and closure of control two-way valve by reasonably designing
It realizes single stage compress refrigeration cycle, superposition type high-temperature level refrigeration cycle and superposition type low-temperature level refrigeration cycle flexibly, various, has
Conducive to the use needs for being applicable in different operating conditions.
2, multifunction refrigeration module of the invention can be used for refrigeration experiment, under the same conditions, can be in a system
In do the comparative experimentss of different circulations, various circulations conversions are flexible and convenient, convenient for doing comparative experiments.Meanwhile it saving experimental bench and taking
This is built up, debugging is easy, improves the accuracy of experimental data.
3. refrigeration system of the invention is by three and the above multifunction refrigeration module forms, multifunction refrigeration module can be used
In the freezer of the refrigerating medium of ammonia substitution freon, reasonable number of modules can be arranged according to different freezer required temperatures
Amount, is arranged the function that each module is realized, easily reaches temperature required for different freezers simultaneously, overcomes traditional cascade refrigeration
The fixed disadvantage of cooling system temperature range.
4, the heat that low-temperature level refrigeration system absorbs is reached high temperature by low-temperature level condenser by refrigeration system of the invention
Grade evaporator, the heat that the temperature range and needs that can freeze as needed are transmitted, is arranged low-temperature level condenser and high-temperature level is steamed
The quantity of device is sent out, the heat interval range of transmitting is larger, Yi Shixian medium temperature refrigeration and cryogenic refrigeration.
Detailed description of the invention
Fig. 1 show the schematic diagram of multifunction refrigeration module of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The schematic diagram of multifunction refrigeration module of the present invention is as shown in Figure 1, including compressor 1, condenser 3, evaporator 6, changing
Hot device 5, first throttle valve 4-1, second throttle 4-2, the exhaust end of the compressor 1 respectively with the first two-way valve 2-1
The first interface of one interface and the second two-way valve 2-2 connection, the second interface of the first two-way valve 2-1 successively with the condensation
The outlet of device 3, the first throttle valve 4-1 connection, the first throttle valve 4-1 connects with the first of third two-way valve 2-3 respectively
Mouthful and the 4th two-way valve 2-4 first interface connection, the second interface of the second two-way valve 2-2 respectively with the 6th two-way valve 2-
The first interface of 6 first interface and the heat exchanger 5 connection, the second interface of the heat exchanger 5 respectively with the third two
The first interface downlink connection of the second interface of port valve 2-3 and the 5th two-way valve 2-5, the 5th two-way valve 2-5 second interface with
Second throttle 4-2 import connection, the import of the evaporator 6 respectively with the outlet of the second throttle 4-2 and institute
State the 4th two-way valve 2-4 second interface connection, the evaporator 6 outlet respectively with the 6th two-way valve 2-6 second
The connection of the suction end of interface and the compressor 1, the heat exchanger 5 are placed in storage heater.
When for single stage compress system, the first two-way valve 2-1 and the 4th two-way valve 2-4 are opened, and described second
Two-way valve 2-2, the third two-way valve 2-3, the 5th two-way valve 2-5 and the 6th two-way valve 2-6 closure, the compression
After machine 1, the first two-way valve 2-1, condenser 3, first throttle valve 4-1, the 4th two-way valve 2-4 and the evaporator 6 are sequentially connected
The suction end for returning to the compressor 1 forms single-stage stage compression type refrigeration cycle.Refrigerant working medium is compressed by compressor 1
Afterwards, it is condensed by the first two-way valve 2-1 into the condenser 3, the first throttle valve 4-1 is entered after condensation and is throttled,
6 sweat cooling of evaporator is entered by the 4th two-way valve 2-4 after throttling, the compressor 1 is entered after evaporation and is completed
Refrigeration cycle, the heat exchanger 5 are spaced, and the evaporator 6 absorbs heat, and the condenser 3 is to environment heat extraction, multifunction refrigeration mould
Block is used for single-stage compression refrigeration cycle.
When for superposition type high-temperature level refrigeration system, the first two-way valve 2-1, third two-way valve 2-3 and the 6th liang it is logical
Valve 2-6 is opened, and the second two-way valve 2-2, the 4th two-way valve 2-4 and the 5th two-way valve 2-5 closure, the heat exchanger 5 are placed in
In storage heater, the quantity of heat exchanger 5, the heat of storage heater is directly entered used freezer.1, first liang of the compressor logical
Valve 2-1, condenser 3, first throttle valve 4-1, third two-way valve 2-3, heat exchanger 5, the 6th two-way valve 2-6 are returned to after being sequentially connected
1 suction end of compressor forms superposition type high-temperature level refrigeration cycle.The heat exchanger 5 realizes vaporization function.Refrigerant working medium
After being compressed by compressor 1, the condenser 3 is entered by the first two-way valve 2-1 and is condensed, into described the after condensation
One throttle valve 4-1 throttling, enters 5 sweat cooling of heat exchanger by the third two-way valve 2-3 after throttling, passes through after evaporation
Enter the compressor 1 after the 6th two-way valve 2-6 and realizes superposition type high-temperature level refrigeration cycle.
When for superposition type low-temperature level refrigeration system, the second two-way valve 2-2 and the 5th two-way valve 2-5 are opened,
The first two-way valve 2-1, third two-way valve 2-3, the 4th two-way valve 2-4 and the 6th two-way valve 2-6 closure, the compression
Machine 1, the second two-way valve 2-2, heat exchanger 5, the 5th two-way valve 2-5, second throttle 4-2, evaporator 6 return to institute after being sequentially connected
The suction end for stating compressor 1 forms superposition type low-temperature level refrigeration cycle.The heat exchanger 5 realizes condensation function.Refrigerant working medium
After being compressed by compressor 1, condensed by the second two-way valve 2-2 into the heat exchanger 5, through the described 5th after condensation
Enter second throttle 4-2 after two-way valve 2-5 to throttle, 6 sweat cooling of evaporator is entered after throttling, institute is entered after evaporation
It states compressor 1 and realizes superposition type low-temperature level refrigeration cycle system.
Multifunction refrigeration module of the invention can form the refrigeration system of a variety of different operating conditions, include in refrigeration systems
At least three above-mentioned multifunction refrigeration modules, each multifunction refrigeration module is respectively as single-stage compression refrigeration cycle
Or superposition type low-temperature level refrigeration cycle or superposition type high-temperature level refrigeration cycle.
When multiple multifunction refrigeration module composition folding type cooling systems, it to be used for superposition type high-temperature level refrigeration cycle
The heat exchanger of the multifunction refrigeration module heat is absorbed from storage heater, for superposition type low-temperature level refrigeration cycle
The heat exchanger of the multifunction refrigeration module is discharged to the storage heater by the heat exchanger as superposition type high-temperature level refrigeration cycle
The heat of absorption.
It, can basis when above-mentioned multifunction refrigeration module is used for high-temperature level and low-temperature level function as folding type cooling system
It needs for corresponding multifunction refrigeration module to be used for high-temperature level circulation or low-temperature level is recycled, can determine as needed for height
The quantity of the multifunction refrigeration module of warm grade refrigeration system and low-temperature level refrigeration system, it is described for the more of high-temperature level refrigeration cycle
The heat exchanger (realize vaporization function) of function refrigeration module absorbs heat from storage heater, described for low-temperature level refrigeration cycle
The heat exchanger (realizing condensation function) of multifunction refrigeration module is used for the multifunction refrigeration mould of high-temperature level function to storage heater discharge
The evaporator of block absorbs volume heat.The multifunction refrigeration module of composition refrigeration system should be three or more, multifunction refrigeration mould
Block is more, and the flexibility of refrigeration system and diversity are better.Below for having the system there are three multifunction refrigeration module
It is illustrated.
Using the first multifunction refrigeration module as high-temperature level refrigeration cycle, the second multifunction refrigeration module and the multi-functional system of third
Cold module be low-temperature level refrigeration cycle for, in cascade refrigeration, the first two-way valve described in the first multifunction refrigeration module
2-1, the third two-way valve 2-3 and the 6th two-way valve 2-6 are opened, the second two-way valve 2-2, the 4th two-way valve
2-4 and the 5th two-way valve 2-5 closure, the heat exchanger 5 realize vaporization function.Second multifunction refrigeration module and third
Second two-way valve 2-2 described in multifunction refrigeration module and the 5th two-way valve 2-5 is opened, the first two-way valve 2-1,
The third two-way valve 2-3, the 4th two-way valve 2-4 and the 6th two-way valve 2-6 closure, the heat exchanger 5 is realized cold
Solidifying function, the heat exchanger 5 of the first multifunction refrigeration module for high-temperature level refrigeration system absorb heat from storage heater,
It is described to be discharged to storage heater by the high temperature for the heat exchanger 5 of low-temperature level refrigeration system second and third multifunction refrigeration module
The heat that the heat exchanger 5 of the first multifunction refrigeration module of grade absorbs.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of multifunction refrigeration module, which is characterized in that including compressor, condenser, evaporator, heat exchanger, first throttle
Valve, second throttle, the exhaust end of the compressor respectively with the first interface of the first two-way valve and the second two-way valve first
Interface connection, the second interface of first two-way valve are successively connect with the condenser, the first throttle valve, and described first
The outlet of throttle valve is connect with the first interface of the first interface of third two-way valve and the 4th two-way valve respectively, and described second liang logical
The second interface of valve is connect with the first interface of the first interface of the 6th two-way valve and the heat exchanger respectively, the heat exchanger
The second interface first interface downlink connection with the second interface of the third two-way valve and the 5th two-way valve respectively, described 5th liang
Port valve second interface is connect with the second throttle import, the import of the evaporator respectively with the second throttle go out
The connection of the second interface of mouth and the 4th two-way valve, the outlet of the evaporator connects with the second of the 6th two-way valve respectively
The connection of the suction end of mouth and the compressor, the heat exchanger are placed in storage heater；First two-way valve and 4th liang described
Port valve is opened, second two-way valve, the third two-way valve, the 5th two-way valve and the 6th two-way valve closure, institute
It states after compressor, the first two-way valve, condenser, first throttle valve, the 4th two-way valve and the evaporator are sequentially connected and returns to institute
The suction end for stating compressor forms single-stage compression refrigeration cycle；First two-way valve, third two-way valve and the 6th two-way valve
Open, second two-way valve, the 4th two-way valve and the 5th two-way valve closure, the compressor, the first two-way valve, condenser,
First throttle valve, third two-way valve, heat exchanger, the 6th two-way valve return to the compressor air suction end and form overlapping after being sequentially connected
Formula high-temperature level refrigeration cycle；Second two-way valve and the 5th two-way valve are opened, and first two-way valve, third two are logical
Valve, the 4th two-way valve and the 6th two-way valve closure, the compressor, the second two-way valve, heat exchanger, the 5th two-way valve, the
Two throttle valves, evaporator return to compressor suction end after being sequentially connected forms superposition type low-temperature level refrigeration cycle.
2. a kind of refrigeration system, which is characterized in that including at least three multifunction refrigeration modules described in claim 1, each
The multifunction refrigeration module is high respectively as single-stage compression refrigeration cycle or superposition type low-temperature level refrigeration cycle or superposition type
Warm grade refrigeration cycle.
3. refrigeration system according to claim 2, which is characterized in that when multiple multifunction refrigeration modules form overlapping
When formula refrigeration system, the heat exchanger of the multifunction refrigeration module for superposition type high-temperature level refrigeration cycle is from storage heater
The heat exchanger of middle absorption heat, the multifunction refrigeration module for superposition type low-temperature level refrigeration cycle is arranged to the storage heater
It puts by the heat of the heat exchanger absorption as superposition type high-temperature level refrigeration cycle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233022.5A CN109869939B (en) | 2019-03-26 | 2019-03-26 | Multifunctional refrigeration module and refrigeration system comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233022.5A CN109869939B (en) | 2019-03-26 | 2019-03-26 | Multifunctional refrigeration module and refrigeration system comprising same |
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| CN109869939A true CN109869939A (en) | 2019-06-11 |
| CN109869939B CN109869939B (en) | 2024-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306834A (en) * | 2020-03-30 | 2020-06-19 | 天津商业大学 | Multifunctional heat pump module and air source heat pump system composed of same |
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|---|---|---|---|---|
| CN102901169A (en) * | 2012-09-27 | 2013-01-30 | 天津大学 | Steam compression type refrigeration air conditioner allowing heat to be accumulated by using phase change heat accumulation material and control method |
| CN108106036A (en) * | 2017-12-05 | 2018-06-01 | 广东申菱环境系统股份有限公司 | A kind of heat pump using folding type cooling system waste heat |
| CN209783031U (en) * | 2019-03-26 | 2019-12-13 | 天津商业大学 | Multifunctional refrigeration module and refrigeration system composed of same |
-
2019
- 2019-03-26 CN CN201910233022.5A patent/CN109869939B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901169A (en) * | 2012-09-27 | 2013-01-30 | 天津大学 | Steam compression type refrigeration air conditioner allowing heat to be accumulated by using phase change heat accumulation material and control method |
| CN108106036A (en) * | 2017-12-05 | 2018-06-01 | 广东申菱环境系统股份有限公司 | A kind of heat pump using folding type cooling system waste heat |
| CN209783031U (en) * | 2019-03-26 | 2019-12-13 | 天津商业大学 | Multifunctional refrigeration module and refrigeration system composed of same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306834A (en) * | 2020-03-30 | 2020-06-19 | 天津商业大学 | Multifunctional heat pump module and air source heat pump system composed of same |
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