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Wind Chiller: Chiller Choking Effect Of The Structure
- Dec 05, 2017 -

The saturated refrigerant liquid under the condensation pressure in the condenser or liquid receiver is throttled to the evaporation pressure and the evaporation temperature, and the flow of the refrigerant into the evaporator is adjusted according to the change of the cooling load.

Commonly used throttle body capillary, manual throttle, thermal expansion valve, float valve, the capillary does not have the regulatory function, and three kinds of throttle valve can also adjust the flow into the freezer evaporator refrigerant to accommodate Cooling load changes, so as to achieve the purpose of regulating the cooling capacity.

Manual throttle

Is the oldest throttle. Used for ammonia refrigeration equipment, manually adjust the flow area of the valve hole to change the amount of liquid supply to the evaporator. Frequently, in industrial Freon refrigeration systems, manual throttles are installed as bypass valves in by-pass lines, with automatic throttling of the structure.

Float regulating valve

Is based on changes in liquid level control valve flow control, plays a role in reducing blood pressure and controlling the level. It is a self-regulating throttling valve, which is often used for the automatic adjustment of liquid supply amount of evaporators, gas-liquid separators and intercoolers with free surface. At present, it is mainly used in ammonia refrigeration equipment.

Thermal expansion valve

With the evaporator outlet temperature changes in the refrigerant, through the role of temperature sensing mechanism, the valve automatically adjusts the opening degree to control the refrigerant flow. Thermostatic expansion valve is mainly composed of the valve body, temperature sensing package and capillary, suitable for evaporators without free surface, such as dry evaporator, snake tube evaporator and snake-tube intercooler. Chiller is the most commonly used a throttle mechanism.

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