CN206377873U - A kind of modularization magnetic suspension refrigeration system and its multifunctional heat exchanger structure - Google Patents
A kind of modularization magnetic suspension refrigeration system and its multifunctional heat exchanger structure Download PDFInfo
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- CN206377873U CN206377873U CN201621276708.0U CN201621276708U CN206377873U CN 206377873 U CN206377873 U CN 206377873U CN 201621276708 U CN201621276708 U CN 201621276708U CN 206377873 U CN206377873 U CN 206377873U
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Abstract
The utility model discloses a kind of modularization magnetic suspension refrigeration system and its multifunctional heat exchanger structure, including the cooling cycle system being made up of magnetic suspension centrifugal compressor, condenser, electric expansion valve and evaporator, and the multifunctional heat exchanger for realizing supercooling, backheat and gas-liquid separating function above evaporator；The liquid outlet of condenser is connected to the first inlet of multifunctional heat exchanger by pipeline, electric expansion valve is installed on the pipeline between the first liquid outlet of multifunctional heat exchanger and the second inlet, second liquid outlet of multifunctional heat exchanger is connected to evaporator by pipeline, the gas vent of evaporator is connected to the air inlet of multifunctional heat exchanger by pipeline, and the air inlet of multifunctional heat exchanger is connected to magnetic suspension centrifugal compressor by pipeline.The utility model uses gravity force liquid-supply mode, and more circulating mass of refrigerant can be provided for evaporator, can make full use of the heat exchange area of evaporator, obtains higher evaporation efficiency, and effectively evade absorbing gas belt liquid risk.
Description
Technical field
The utility model is related to a kind of modularization magnetic suspension refrigeration system using multifunctional heat exchanger as core component, especially
It is to be related to a kind of application and data center and the energy-saving air-conditioning system of civil buildings.
Background technology
Data center and civil buildings transformation project need a kind of modular refrigeration unit, its be mainly characterized by size it is small,
The lightweight goods that is adapted to is carried with even commercial elevator；With with traditional handpiece Water Chilling Units identical refrigerating efficiency.
Currently for transformation project demand and technical progress situation, most reliable scheme is to utilize magnetic suspension centrifugal compressor
Machine, condenser and evaporator all use plate type heat exchanger (soldering formula), electric expansion valve are controlled using the degree of superheat, for balance plate
Small and absorbing gas belt liquid the risk of formula heat exchanger charging amount in kind of refrigeration cycle, often sets gas-liquid separator and returns in system circulation
Hot device.But can not be from overcoming serious absorbing gas belt liquid risk at all.Using degree of superheat control mode, the evaporation temperature of evaporator
Degree is difficult to improve；And to overcome absorbing gas belt liquid risk to need to increase heat exchange area in heat exchanger, cause cost to increase.
Utility model content
Goal of the invention：For problems of the prior art, the utility model provides a kind of modularization magnetic suspension refrigeration
System and its multifunctional heat exchanger structure, can make full use of the heat exchange area of evaporator, obtain higher evaporation efficiency, and have
Effect evades absorbing gas belt liquid risk.
Technical scheme：To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of modularization magnetic suspension refrigeration system, including by magnetic suspension centrifugal compressor, condenser, electric expansion valve and
The cooling cycle system of evaporator composition, in addition to realization supercooling above evaporator, backheat and gas-liquid separating function
Multifunctional heat exchanger, the heat-exchanging component of the multifunctional heat exchanger is provided with the first inlet and the first liquid outlet, and housing is provided with the
Two inlets, the second liquid outlet, air inlet, gas outlet and liquid level sensor, housing internal upper part are provided with demister；Condenser goes out
Liquid mouth is connected to the first inlet of multifunctional heat exchanger by pipeline, and electric expansion valve is installed on the first of multifunctional heat exchanger
On pipeline between liquid outlet and the second inlet, the second liquid outlet of multifunctional heat exchanger is connected to evaporator by pipeline,
The gas vent of evaporator is connected to the air inlet of multifunctional heat exchanger by pipeline, and the air inlet of multifunctional heat exchanger passes through pipe
Road is connected to magnetic suspension centrifugal compressor.
Preferably, bottom is additionally provided with porous plate in the housing of the multifunctional heat exchanger, the second inlet second goes out liquid
Mouth is located at housing bottom.
Preferably, the condenser is soldering formula condenser, the evaporator is soldering formula evaporator.
A kind of multifunctional heat exchanger structure, including heat-exchanging component and heat exchanger shell, the heat-exchanging component are located in housing,
Provided with the first inlet and the first liquid outlet, housing is provided with the second inlet, the second liquid outlet, air inlet, gas outlet and liquid level
Sensor, housing internal upper part is provided with demister；The air inlet is used for the gas accessed after evaporator evaporation, and gas outlet is used to connect
It is connected to compressor；First inlet is used to access the refrigerant liquid for carrying out condenser, and the first liquid outlet is used to be connected to
Electric expansion valve, the second inlet is used for the liquid accessed after being throttled through electric expansion valve, and the second liquid outlet is used to be connected to steaming
Send out device.
Preferably, bottom is additionally provided with porous plate in the housing, second the second liquid outlet of inlet is located at housing bottom.
Beneficial effect：Compared with prior art, the utility model has the advantages that：The utility model multifunctional heat exchanger is located at
Above evaporator, there is the discrepancy in elevation, form gravity force liquid-supply mode, compared with traditional straight swollen feed liquid way, can be carried for evaporator
For more circulating mass of refrigerant, and traditional degree of superheat control mode is not used, the heat exchange area of heat exchanger is only needed to completely
Sufficient evaporation demand, it is not necessary to which overheat is provided；And evaporator return-air enters multifunctional heat exchanger and carries out gas-liquid separation, so that
Evade absorbing gas belt liquid risk.
Brief description of the drawings
Fig. 1 is the multifunctional heat exchanger schematic diagram of the utility model embodiment.
Fig. 2 is the modularization magnetic suspension refrigeration system principle figure of the utility model embodiment.
In figure, 1- heat-exchanging components, 2- housings, the inlets of 3- first, the liquid outlets of 4- first, the inlets of 5- second, 6- second
Liquid outlet, 7- air inlets, 8- gas outlets, 9- demisters, 10- porous plates, 11- liquid level sensors, 20- magnetic suspension centrifugal compressors
Machine, 21- safety valves, 22- check valves, 23- butterfly valves, 24- high pressure sensors, 25- plate-type condensers, 26- ball valves, 27- is dried
Filter, 28- electric expansion valves, 29- plate-type evaporators, 30- multifunctional heat exchangers, 31- magnetic valves.
Embodiment
With reference to specific embodiment, the utility model is further elucidated, it should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model, after the utility model has been read, those skilled in the art couple
The modification of the various equivalent form of values of the present utility model falls within the application appended claims limited range.
As shown in figure 1, a kind of multifunctional heat exchanger disclosed in the utility model embodiment be it is a kind of have supercooling, backheat,
The special heat exchanger of gas-liquid separating function, including heat-exchanging component 1 and heat exchanger shell 2, heat-exchanging component 1 are provided with the first inlet 3
With the first liquid outlet 4.The internal upper part of housing 2 is provided with demister 9, and bottom is provided with porous plate 10, and housing 2 is provided with the second inlet 5
With the second liquid outlet 6, and air inlet 7 and gas outlet 8；Second inlet 5 and the second liquid outlet 6 are located at the bottom of housing 2, outlet
Mouth 8 is located at the top of demister 9, and air inlet 7 is located at the lower section of demister 9.Air inlet 7 is used to connect evaporator gas outlet 8, introduces and steams
The gas after device evaporation is sent out, gas outlet 8 is used to be connected to compressor air suction mouthful；First inlet 3, which is used to access, carrys out condenser
Refrigerant liquid, the first liquid outlet 4 is used to be connected to electric expansion valve, and the second inlet 5 is used to access through electric expansion valve
Liquid after throttling, the second liquid outlet 6 is used to be connected to evaporator.Multifunctional heat exchanger is additionally provided with detection housing inner refrigerant liquid
The liquid level sensor 11 of face position.
Multifunctional heat exchanger heat-exchanging component 1 is one group of copper pipe combined helical structure, and the refrigerant liquid for carrying out condenser exists
Its Bottomhole pressure, the liquid (the gas-liquid two-phase liquid after electric expansion valve throttling) in multifunctional heat exchanger housing 2
Evaporation is so as to cool down refrigerant liquid；Gas after evaporator evaporation passes through multifunctional heat exchanger internal upper part heat exchanger assembly, from
And overheat is provided for refrigerant gas, coordinate to realize gas-liquid separating function with demister 9.Demister 9 can use stainless steel
The modes such as the porous plate or aluminium alloy net of material wire netting or metal plate composition, by the fine droplet mixed in refrigerant gas
Isolated.The porous plate 10 of bottom has the effect for evenly distributing fluid in housing 2, makes refrigerant in multifunctional heat exchanger
Liquid level stabilizing, it is to avoid fluctuation is distributed there is provided resistance beneficial to refrigerant liquid, and to overcome evaporator resistance to provide power.
As shown in Fig. 2 a kind of modularization magnetic suspension refrigeration system disclosed in the utility model embodiment, traditional by magnetic
On the basis of the cooling cycle system that suspension centrifugal compressor 20, condenser 25, electric expansion valve 28 and evaporator 29 are constituted, if
Having counted as shown in Figure 1 has supercooling, backheat, the multifunctional heat exchanger 30 of gas-liquid separating function.Multifunctional heat exchanger 30 is located at
The top of evaporator 29, the liquid outlet of condenser 25 is connected to the first inlet 3 of multifunctional heat exchanger 30 by pipeline, and electronics is swollen
Swollen valve 28 is installed on the pipeline between the first liquid outlet 4 of multifunctional heat exchanger 30 and the second inlet 5, multifunctional heat exchanger
30 the second liquid outlet 6 is connected to evaporator 29 by pipeline, and the gas vent of evaporator 29 is connected to multi-functional by pipeline
The air inlet 7 of heat exchanger 30, the air inlet 7 of multifunctional heat exchanger 30 is connected to magnetic suspension centrifugal compressor 20 by pipeline.
The workflow of refrigerant is in the present embodiment refrigeration system：From compressor 20 by check valve, condenser 25, device for drying and filtering
27th, multifunctional heat exchanger 30 (built-in heat-exchanging component 1), electric expansion valve 28, multifunctional heat exchanger 30 (housing 2), evaporator 29,
Function heat exchanger (housing 2) returns the formation circulation of compressor 20.
The electric expansion valve 28 of the present embodiment uses Liquid level mode, and multifunctional heat exchanger 30 is provided with system in detection housing
The liquid level sensor 11 of cryogen liquid level position, the aperture of electric expansion valve 28 is controlled according to the signal of liquid level sensor 11.Specific control
Method is：Liquid level desired value is set as controlled quentity controlled variable, if the liquid level of detection is higher than desired value, reduces electric expansion valve
28 apertures, reduce the refrigerant flow into evaporator 29；If the liquid level low pressure of detection is in desired value, increase electronics is swollen
The swollen aperture of valve 28, increases the refrigerant flow into evaporator 29.By detecting that the liquid level position of multifunctional heat exchanger is direct
Control enters the circulating mass of refrigerant of evaporator, so that the refrigerant gas for controlling to enter compressor air suction mouthful is approximate saturation shape
State, makes full use of the heat exchange area of evaporator, so as to obtain higher evaporation efficiency.
Claims (5)
1. a kind of modularization magnetic suspension refrigeration system, including by magnetic suspension centrifugal compressor, condenser, electric expansion valve and steaming
Send out the cooling cycle system of device composition, it is characterised in that：Also include being located at realization supercooling, backheat and the gas-liquid point above evaporator
From the multifunctional heat exchanger of function, the heat-exchanging component of the multifunctional heat exchanger is provided with the first inlet and the first liquid outlet, shell
Body is provided with the second inlet, the second liquid outlet, air inlet, gas outlet and liquid level sensor, and housing internal upper part is provided with demister；It is cold
The liquid outlet of condenser is connected to the first inlet of multifunctional heat exchanger by pipeline, and electric expansion valve is installed on Multifunctional heat exchange
On pipeline between the first liquid outlet and the second inlet of device, the second liquid outlet of multifunctional heat exchanger is connected to by pipeline
Evaporator, the gas vent of evaporator is connected to the air inlet of multifunctional heat exchanger, the air inlet of multifunctional heat exchanger by pipeline
Mouth is connected to magnetic suspension centrifugal compressor by pipeline.
2. modularization magnetic suspension refrigeration system according to claim 1, it is characterised in that：The shell of the multifunctional heat exchanger
Internal bottom is additionally provided with porous plate, and second the second liquid outlet of inlet is located at housing bottom.
3. modularization magnetic suspension refrigeration system according to claim 1, it is characterised in that：The condenser is that soldering formula is cold
Condenser, the evaporator is soldering formula evaporator.
4. a kind of multifunctional heat exchanger structure, it is characterised in that：Including heat-exchanging component and heat exchanger shell, the heat-exchanging component position
In in housing, provided with the first inlet and the first liquid outlet, housing is provided with the second inlet, the second liquid outlet, air inlet, outlet
Mouth and liquid level sensor, housing internal upper part are provided with demister；The air inlet is used for the gas accessed after evaporator evaporation, outlet
Mouth is used to be connected to compressor；First inlet is used to access the refrigerant liquid for carrying out condenser, and the first liquid outlet is used
In being connected to electric expansion valve, the second inlet is used for the liquid accessed after being throttled through electric expansion valve, and the second liquid outlet is used for
It is connected to evaporator.
5. multifunctional heat exchanger structure according to claim 4, it is characterised in that：Bottom is additionally provided with porous in the housing
Plate, second the second liquid outlet of inlet is located at housing bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276708.0U CN206377873U (en) | 2016-11-24 | 2016-11-24 | A kind of modularization magnetic suspension refrigeration system and its multifunctional heat exchanger structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276708.0U CN206377873U (en) | 2016-11-24 | 2016-11-24 | A kind of modularization magnetic suspension refrigeration system and its multifunctional heat exchanger structure |
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| CN206377873U true CN206377873U (en) | 2017-08-04 |
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| CN201621276708.0U Active CN206377873U (en) | 2016-11-24 | 2016-11-24 | A kind of modularization magnetic suspension refrigeration system and its multifunctional heat exchanger structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440438A (en) * | 2016-11-24 | 2017-02-22 | 南京佳力图机房环境技术股份有限公司 | Modularized magnetic levitation refrigeration system and multifunctional heat exchanger structure thereof |
| CN113006894A (en) * | 2021-03-17 | 2021-06-22 | 浙江理工大学 | Regenerative gravitational field acting device and method |
-
2016
- 2016-11-24 CN CN201621276708.0U patent/CN206377873U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440438A (en) * | 2016-11-24 | 2017-02-22 | 南京佳力图机房环境技术股份有限公司 | Modularized magnetic levitation refrigeration system and multifunctional heat exchanger structure thereof |
| CN113006894A (en) * | 2021-03-17 | 2021-06-22 | 浙江理工大学 | Regenerative gravitational field acting device and method |
| CN113006894B (en) * | 2021-03-17 | 2023-08-08 | 浙江理工大学 | Regenerative gravity field acting device and method |
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