A small boat in the refrigeration system is designated as a water supply system for a refrigeration unit.
The water supply of the cold water machine of the refrigerating plant mainly includes: the cooling water of the condenser, the cooling water of the cylinder of the refrigeration compressor and the cooling water of the crankcase and the water of the evaporator. Under the normal working conditions of the heat pump, the water is not polluted by excessive water only. The design of cooling water system should be based on the refrigeration equipment of water, water quality, water temperature and water pressure requirements, in the understanding of water content, water temperature and cooling equipment, in the form of meteorological environment and other conditions, through technical and economic comparison of.
There are three kinds of water supply system used in water supply system.
(1) one of the most simple water supply mode. With the pump into the refrigeration equipment by direct water extraction, after discharged into the sewer or a combination of comprehensive utilization of farmland irrigation and drainage system. Suitable for water quantity and water temperature.
(2) sewage method of circulating water system, cooling water into the refrigeration equipment after use, will be part of the re introduction of refrigeration equipment is mixed with fresh water and then into the water dispenser refrigeration refrigeration equipment.
(3) the circulating water supply system, the cooling water cycle, only a small amount of water added. As a result of the water quantity is little, the water temperature is high the condition, this kind of water supply method equipment is many and the system is more complex. The circulating water supply system can be divided into kinds of design schemes, which can be divided into two kinds of design schemes, that is, the gravity is very weak.
(4) gravity return water supply system, which is the water supply system of gravity water condenser. The installation position of the cooling tower is higher than that of the condenser, and the water pump will cool down the hot water in the water tank, and the cold water can be obtained by gravity into a vertical condenser.
(5) the pressure recovery is the water supply system, condenser circulating water supply scheme of horizontal tube, cooling tower at the top of the circulating pool, recycling pool in storage for the cooling water pump pressurized cold water, will directly give horizontal shell condenser water York screw refrigerating machine parameter, in the exit of hot water into the cooling tower, this system in the circulating pipeline are under pressure.
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