Water chiller refrigerant cycle system

cold water machine refrigerant cycle system:

transpiration apparatus of the liquid refrigerant absorbs the heat in the water and start transpiration, eventually form must be the difference in temperature between refrigerant and water, liquid refrigerant also thoroughly transpiration into gas in the tightening machine and after tightening ( Add the pressure and temperature) , the gaseous refrigerant through the condenser ( Air/water cooling) Absorb heat, condenses into liquid, through thermal expansion valve ( Or capillary) After saving a low temperature low pressure refrigerant into transpiration, refrigerant cycle end process.

cold cold water mechanism system basic composition:

tightening machine: the tightening machine is all the core components of the refrigeration system, is also a refrigerant tightening of the source of power. It is the effect of the input electrical energy into mechanical energy, will be tight refrigerants.

condenser: plays an output in the process of cooling condenser heat energy and the refrigerant to the effect of condensation. From the high pressure discharge refrigeration tightening machine overheat steam entering the condenser, its all the heat absorption in operation process, which includes from transpiration and tightening the refrigeration machine and absorbed in the pipe heat transfer to the surrounding medium ( With air or water) Take away; Condenses into liquid refrigerant pressure superheated steam from the beginning. （ According to the cooling medium and cooling method is different, the condenser can be divided into three categories: water cooled condenser, air-cooled condenser, transpiration condenser. ）

receiver: the receiver device after the condenser, the condenser of the drainage pipe is directly connected. Condenser refrigerant liquid should be freely into the receiver, so you can make full use of condenser cooling area. , on the other hand, when the heat load variation of transpiration, refrigerant liquid requirements changes, at that time, the receiver will have to adjust and the effect of the stored refrigerant. Mechanism of small cold water cooling equipment system, often not tinted liquid liquid receiver, but use the condenser to regulate and store the refrigerant.

dry filters: in the mechanism of cold cold cycle it is necessary to prevent moisture and contamination, Oil, iron, copper scrap) To enter, such as water is the origin of the primary new add refrigerant and lubricant contains trace moisture, or because of maintenance system of air into the water. If the moisture in the system is not swept away, when the refrigerant after saving valve ( Thermal expansion valve or capillary) , due to the pressure and temperature reducing moisture will condense into ice, sometimes make the channel congestion, affect the normal operation of refrigeration equipment. Thus, necessary device in the cooling system for cold water filter drier.

thermal expansion valve, thermal expansion valve in the cold water in the mechanism of cold system is both a flow control valve, and saves the valve of refrigeration equipment, refrigeration equipment in the device between the filter drier and transpiration, its thermal bag is wound at the exit of transpiration. Its primary effect is to make the normal temperature of the refrigerant high-pressure liquid savings step-down when flowing through the thermal expansion valve, a low temperature low pressure refrigerant vapor ( Most is liquid, a small steam) Enter the transpiration, the transpiration in vaporization heat, and reach the purpose of refrigeration cooling.

transpiration: transpiration is relying on the evaporation of liquid refrigerant ( Exult, really) To absorb the cooling medium heat heat exchange equipment. Its function is to absorb heat in refrigeration system ( Or cold output) 。 In order to ensure a steady process of transpiration can be sustained, it is necessary to constantly use refrigeration compressed sucking transpiration of gas, to insist on transpiration pressure must be.

refrigerant, used in modern industry of most industrial chillers are used as refrigerant R22 and R12. The flow of refrigerant in the refrigeration system is working medium, its primary effect is to carry heat, and complete the endothermic and exothermic when conditions change.

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