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Commercial refrigeration level adjustment and its control components
author: supermarket refrigerated showcase category: commercial refrigeration Views: 519Time: 2016-08-22
commercial refrigeration level adjustment and its control components
Some equipment in the refrigeration system usually needs to maintain a certain level to ensure the normal liquid and oil supply of the commercial refrigeration system. In addition to the role of liquid level control, some liquid level controllers also play a role of liquid level indication and safety alarm. The refrigeration equipment that often needs liquid level control includes free liquid surface evaporator, intercooler, gas-liquid separator, high and low pressure liquid storage tank, low pressure circulating liquid storage tank, etc. The following introduces several commonly used liquid level controllers. Float Throttle Valve (Float Ball Expansion Valve) Float Ball Throttle Valve plays the role of throttling, reducing pressure and controlling hydraulic pressure. It is an automatically adjusted throttle valve, often used in evaporators with free liquid surface, Automatic adjustment of liquid supply of gas-liquid separator and intercooler. A low-pressure float valve is widely used in ammonia refrigeration commercial refrigeration systems. As a throttling element, this kind of valve mainly introduces its liquid level adjustment function. The low-pressure float valve can be divided into two types, straight-through and non-through-flow according to the circulation mode of refrigerant liquid. Their structure diagram and non-straight-through piping system. The float valve is connected with the liquid part and the gas part of the evaporator (or intercooler) with a liquid connecting pipe and a gas connecting pipe respectively, so the two have the same liquid level.
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