Clean room workshop supporting chiller

Clean room pharmaceutical cleanroom supporting chiller

The chiller is a multi-functional machine that cools an object or fluid by artificial means within a certain time and space to lower its temperature below the ambient temperature and maintain this low temperature; in the refrigeration industry, according to Different condensing methods, chillers...

Text label: dust-free pharmaceutical cleanroom, supporting chiller, design, construction and installation

The dust-free pharmaceutical cleanroom is equipped with a chiller

The chiller is a multi-functional machine that cools an object or fluid by artificial means within a certain time and space to lower its temperature below the ambient temperature and maintain this low temperature; in the refrigeration industry, according to Depending on the condensing method, chillers are divided into air-cooled chillers, water-cooled chillers, and evaporative chillers. According to different compressors, they are divided into screw chillers, piston chillers, and scroll chillers. Different can be divided into normal temperature units, low temperature units and ultra-low temperature units. The water-cooled chiller uses the shell-and-tube evaporator to exchange heat between the water and the refrigerant. After the refrigerant system absorbs the heat load of the water to cool the water to produce cold water, the heat is brought to the shell-and-tube condenser through the action of the compressor. The water conducts heat exchange, so that the water absorbs heat and then takes the heat out of the external cooling tower through the water pipe for dissipation. The water-cooled chiller is mainly composed of a compressor, a condenser, an expansion valve, an evaporator, etc., and an external cooling tower is required to cool the cooling water. The structure of the equipment is simple, the energy efficiency ratio is higher than that of the air-cooled unit, the technology is mature, the use range is wide, and the temperature adjustment range is wide; the reliability is high, and the service life is long; The cooling circulating water consumes a lot of water resources; the water-cooled unit not only needs to be maintained randomly, but also needs a lot of maintenance for the cooling facilities, which is more expensive than the air-cooled unit.

Evaporative chillers use the shell and tube evaporator to exchange heat between water and refrigerant. After the refrigerant system absorbs the heat load of the water to cool the water to produce cold water, the heat is brought to the coil condenser by the action of the compressor. The water sprayed by the upper spray pipe is sprayed on the coil cooler and the refrigerant heat exchange and evaporate to take away the heat, and part of it is dissipated into the outside air by the cooling fan, and the unevaporated water falls naturally and is pumped by the water pump to the spray pipe. Spray heat exchange, and cycle back and forth. The evaporative condensing water unit is composed of an evaporator, a condenser, a compressor, an expansion valve, a spray system, etc. The evaporative condensing water unit integrates the cooling water system and the condenser of the refrigeration host. The cooling tower, cooling water pump, cooling water pipeline and engineering installation of the water-cooled refrigerating host are equipped, and the traditional external circulation method of cooling water is changed to an internal circulation method, which greatly simplifies the cooling water system and reduces the drift of cooling water. Water loss, thereby greatly improving the energy efficiency ratio of the air conditioning system. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for dust-free workshops and clean workshops.

The air-cooled chiller uses a shell and tube evaporator to exchange heat between water and refrigerant. After the refrigerant system absorbs the heat load of the water to cool the water to produce cold water, the heat is brought to the fin condensing through the action of the compressor. The air-cooled chiller is mainly composed of a compressor, a fin condenser, an evaporator, an expansion valve, a fan, etc.; the corrugated hydrophilic aluminum foil is used, which has a compact structure and a small volume. , The advantages of high heat exchange efficiency and light weight, and equipped with low-speed large-leaf axial flow fans, can effectively reduce operating noise and reduce the impact on the surrounding environment, suitable for water shortage areas; low energy efficiency ratio of the unit, temperature adjustment range It is small and has a small scope of application. For areas where the ambient temperature is too high or too low, the performance of the air-cooled unit will be reduced, and some areas may not even be applicable. During the normal operation of the chiller, it is inevitable that dirt or other impurities will affect the cooling effect. Therefore, in order to prolong the service life of the main unit and achieve a better cooling effect, regular maintenance and maintenance work should be done to ensure the quality of the chiller. , improve production efficiency; regularly check whether the voltage and current of the chiller are stable, and whether the compressor operates normally; check whether the cooling water system of the chiller is normal; check whether the chiller refrigerant leaks; the chiller is regularly maintained; When not in use, the main power supply of the water pump and compressor should be turned off in time, and the water retained in the unit should be drained as much as possible, so as to avoid freezing and damage to the heat exchange tube due to the low ambient temperature.

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