CN218721944U - Dual-purpose refrigerating and dehumidifying device for compressed air working air source - Google Patents
Dual-purpose refrigerating and dehumidifying device for compressed air working air source Download PDFInfo
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- CN218721944U CN218721944U CN202222602703.4U CN202222602703U CN218721944U CN 218721944 U CN218721944 U CN 218721944U CN 202222602703 U CN202222602703 U CN 202222602703U CN 218721944 U CN218721944 U CN 218721944U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model relates to a two-purpose refrigeration dehydrating unit of compressed air work air supply, which comprises an evaporator, vapour and liquid separator, a compressor, a condenser, drier-filter and thermal expansion valve, the condenser is by parallelly connected air-cooled condenser between compressor and drier-filter, water-cooled condenser constitutes, air-cooled condenser is connected with the compressor through entry stop valve I and is connected with drier-filter through outlet stop valve II, the bypass valve is still connected in the export of compressor, the exit linkage of bypass valve is between thermal expansion valve and evaporimeter, water-cooled condenser is connected with the compressor through entry stop valve I 'and is connected with drier-filter through outlet stop valve II', water-cooled condenser provides the water source by cooling water circulating system, air-cooled condenser and water-cooled condenser open and stop according to environment air temperature selectivity. The device alternately uses the air-cooled condenser and the water-cooled condenser according to the temperature change, improves the dehumidification efficiency, also improves the temperature of the machine room when the former is used, and inhibits the temperature of the machine room from rising when the latter is used.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a two-purpose refrigeration dehydrating unit of compressed air work air supply, compressed air power supply machine after freezing dehumidification handles makes used, belongs to the refrigeration dehumidification technical field of compressed air.
[ background of the invention ]
In order to realize industrial intelligence, a dry compressed air source is needed in the automatic production process of the motor manufacturing industry, a conventional compressed air refrigeration dehumidifier adopts a fixed single-type condenser (or a water-cooled condenser or an air-cooled condenser), and the refrigeration dehumidification efficiency of the environmental temperature of a machine room exists.
The inventor filed a patent with the name: the utility model provides a take air-cooled condenser's freezing economizer that dehumidifies of compressed air, the application number is: 2022215378554.
the patent application technology has the following disadvantages: the air temperature is not favorably high, when the climate temperature is higher than 25 ℃, the condenser emits condensation heat to enable the temperature of the machine room to rise, the condensation pressure and the condensation temperature of the refrigerating system can be improved, the pressure difference can exceed three times when the temperature is 40 ℃, and when the condensation pressure of the air-cooled condenser can exceed 50 ℃, the pressure difference can exceed four times, so that the air-cooled condenser is not favorably energy-saving and refrigeration cycle.
[ summary of the invention ]
The utility model aims at providing a two-purpose freezing dehydrating unit of compressed air work air supply.
Therefore, the utility model provides a following technical scheme:
the utility model provides a two-purpose refrigeration dehydrating unit of compressed air work air supply, includes evaporimeter, vapour and liquid separator, compressor, condenser, drier-filter and the thermal expansion valve through refrigerant tube coupling, and thermal expansion valve's temperature sensing package is pasted and is established on the pipe wall of its export muffler of evaporimeter, and its improvement point lies in: the condenser consists of an air-cooled condenser and a water-cooled condenser which are connected in parallel between a compressor and a drying filter, wherein the inlet of the air-cooled condenser is connected with the compressor through an inlet stop valve I, the outlet of the air-cooled condenser is connected with the drying filter through an outlet stop valve II, the outlet of the compressor is also connected with a bypass valve, the outlet of the bypass valve is connected between a thermostatic expansion valve and an evaporator, the inlet of the water-cooled condenser is connected with the compressor through an inlet stop valve I ', the outlet of the water-cooled condenser is connected with the drying filter through an outlet stop valve II ', the water-cooled condenser is provided with water source by a cooling water circulation system, the air-cooled condenser and the water-cooled condenser are selectively started and stopped according to the ambient temperature, when the temperature is lower than 25 ℃, the air-cooled condenser is started by opening the inlet stop valve I and the outlet stop valve II ', and the water source of the cooling water circulation system is closed to stop the water-cooled condenser; when the air temperature is higher than 25 ℃, the water-cooled condenser is started by opening the inlet stop valve I ', the outlet stop valve II' and the water source of the cooling water circulation system, and the air-cooled condenser is stopped by closing the inlet stop valve I and the outlet stop valve II.
The utility model has the advantages of as follows and technological effect:
the device selects to open the air-cooled condenser and close the water-cooled condenser in winter, particularly when the temperature is lower than 25 ℃, so that the temperature of a machine room can be increased and the compression ratio of the refrigeration cycle system is increased during dehumidification operation, the compression ratio of the refrigeration cycle system is doubled, and the device is favorable for the circulation of the refrigeration system and saves resources; when the climate temperature exceeds 25 ℃, the water-cooled condenser is properly started, the air-cooled condenser is closed, the circulation of a refrigerating system is facilitated, energy is saved, the condensation heat of the water-cooled condenser is taken away by cooling circulating water, and the situation that the environmental temperature of a machine room is not increased is facilitated.
In conclusion, the device can alternately use two condensers according to the change of the climate temperature, thereby improving the dehumidification efficiency.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention.
[ detailed description ] embodiments
Referring to fig. 1, a dual-purpose refrigeration and dehumidification device for a working air source of compressed air comprises an evaporator 1, a gas-liquid separator 2, a compressor 3, a condenser, a drying filter 7 and a thermostatic expansion valve 8 which are connected by a refrigerant pipeline, wherein a temperature sensing bag 81 of the thermostatic expansion valve 8 is attached to the pipe wall of an outlet return air pipe 1T of the evaporator 1 in a binding and fixing manner, and the improvement point is that: the condenser is composed of an air-cooled condenser 4 and a water-cooled condenser 6 which are connected in parallel between a compressor 3 and a drying filter 7, wherein the inlet of the air-cooled condenser 4 is connected with the compressor 3 through an inlet stop valve I41, the outlet of the air-cooled condenser 4 is connected with the drying filter 7 through an outlet stop valve II 42, the outlet of the compressor 3 is also connected with a bypass valve 5, the outlet of the bypass valve 5 is connected on a refrigerant pipeline between a thermostatic expansion valve 8 and an evaporator 1, the inlet of the water-cooled condenser 6 is connected with the compressor 3 through an inlet stop valve I '61, the outlet of the water-cooled condenser 6 is connected with the drying filter 7 through an outlet stop valve II'62, the water-cooled condenser 6 is supplied with water by a cooling water circulation system (not shown in the figures of the prior art), the air-cooled condenser 4 and the water-cooled condenser 6 are selectively started and stopped according to the ambient air temperature, when the ambient air temperature is lower than 25 ℃, the inlet stop valve I41, the outlet stop valve II 42 is opened to start the air-cooled condenser 4, and the water-cooled condenser 6 is closed by closing the inlet stop valve I '61, the outlet stop valve II'62 and the water source of the cooling water circulation system to stop the water-cooled condenser 6; when the ambient air temperature is higher than 25 ℃, the water-cooled condenser is started by opening the inlet stop valve I '61, the outlet stop valve II'62 and the water source of the cooling water circulation system, and the air-cooled condenser is shut down by closing the inlet stop valve I41 and the outlet stop valve II 42.
When the air-cooled condenser 4 is adopted, the working cycle of the refrigerating system at the moment is as follows:
high-pressure steam compressed by the compressor 3 enters the air-cooled condenser 4 through the inlet stop valve I41 to be condensed, the high-pressure steam is cooled and condensed into liquid refrigerant, the liquid refrigerant flowing out of the air-cooled condenser 4 passes through the drying filter 7 from the outlet stop valve II 42, enters the thermostatic expansion valve 8, is throttled by the thermostatic expansion valve 8 and enters the evaporator 1 to be evaporated and absorb heat to become gaseous refrigerant, the gaseous refrigerant is subjected to gas-liquid separation by the gas-liquid separator 2 to become completely gaseous refrigerant, the completely gaseous refrigerant is sucked by the compressor 3 to be compressed again, the dehumidification heat load is small when the air temperature is low, the temperature in the evaporator 1 is reduced, the temperature sensing bag 81 is influenced by the low temperature to reduce the pressure, the opening degree of the thermostatic expansion valve 8 is controlled to be reduced, the liquid supply of the refrigerant is reduced, the evaporation pressure is reduced, the pressure difference in the bypass valve 5 is opened in response, the high-pressure steam of the refrigerant enters the evaporator 1 through the bypass valve 5, and the evaporation temperature and the pressure required in the evaporator 1 are maintained.
The bypass valve 5 is used to automatically adjust the pressure and opens when it is below the set point of the pressure.
When the water-cooled condenser 6 and the cooling water circulating system are adopted, the working cycle of the refrigerating system is as follows:
high-pressure steam compressed by the compressor 3 enters the water-cooled condenser 6 through the inlet stop valve I '61 for condensation, the high-pressure steam is cooled and condensed by the water-cooled condenser 6 to form liquid refrigerant, the liquid refrigerant flowing out of the water-cooled condenser 6 enters the thermostatic expansion valve 8 after passing through the outlet stop valve II'62 and the drying filter 7, the liquid refrigerant is throttled by the thermostatic expansion valve 8 and enters the evaporator 1 for vaporization and heat absorption to form gaseous refrigerant, and the gaseous refrigerant is subjected to gas-liquid separation by the gas-liquid separator 2 to form completely gaseous refrigerant which is sucked by the compressor 3 for recompression.
A water flow regulating valve 6a is connected with the water inlet of the water-cooled condenser 6.
The air-cooled condenser 4 and the water-cooled condenser 6 are in an opening state and a closing state which are opposite to each other through human intervention.
The dry compressed air after being refrigerated and dehumidified by the device is used as a working air source of the automatic production line for manufacturing the motor.
Claims (1)
1. The utility model provides a two-purpose refrigeration dehydrating unit of compressed air work air supply, includes evaporimeter, vapour and liquid separator, compressor, condenser, drier-filter and the thermal expansion valve through refrigerant tube coupling, and thermal expansion valve's temperature sensing package pastes and establishes on the pipe wall of its export muffler of evaporimeter, its characterized in that: the condenser consists of an air-cooled condenser and a water-cooled condenser which are connected in parallel between the compressor and the drying filter, wherein,
the inlet of the air-cooled condenser is connected with the compressor through an inlet stop valve I, while the outlet of the air-cooled condenser is connected with the drying filter through an outlet stop valve II; the inlet of the water-cooled condenser is connected with the compressor through an inlet stop valve I ', the outlet of the water-cooled condenser is connected with the drying filter through an outlet stop valve II', the water-cooled condenser is provided with water source by a cooling water circulating system,
the air-cooled condenser and the water-cooled condenser are selectively started and stopped according to the ambient air temperature,
when the air temperature is lower than 25 ℃, the air-cooled condenser is opened by opening the inlet stop valve I and the outlet stop valve II, and the water source of the inlet stop valve I ', the outlet stop valve II' and the cooling water circulation system is closed to stop the water-cooled condenser; when the air temperature is higher than 25 ℃, the water-cooled condenser is started by opening the inlet stop valve I ', the outlet stop valve II' and the water source of the cooling water circulation system, and the air-cooled condenser is stopped by closing the inlet stop valve I and the outlet stop valve II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222602703.4U CN218721944U (en) | 2022-09-23 | 2022-09-23 | Dual-purpose refrigerating and dehumidifying device for compressed air working air source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222602703.4U CN218721944U (en) | 2022-09-23 | 2022-09-23 | Dual-purpose refrigerating and dehumidifying device for compressed air working air source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218721944U true CN218721944U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222602703.4U Active CN218721944U (en) | 2022-09-23 | 2022-09-23 | Dual-purpose refrigerating and dehumidifying device for compressed air working air source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218721944U (en) |
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2022
- 2022-09-23 CN CN202222602703.4U patent/CN218721944U/en active Active
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