Zhengzhou high and low temperature test chamber manufacturers explain the basic operation rules of the test chamber for you. The accumulator of the high and low temperature test chamber is to prevent the uncondensed refrigerant in the refrigeration system from entering or less entering the circulation system to improve the heat exchange efficiency, but it The refrigerant charge has increased. The problem of low condensing pressure is that for small systems, the circulation flow rate is not large, and the purpose of liquid accumulation can be completely achieved through pipeline processing technology. The evaporation pressure regulating valve is generally used in a dehumidification system to control the evaporation temperature so that the evaporator does not frost. . However, in the unipolar circulation system, the use of the evaporating pressure regulating valve is connected to the refrigeration return air solenoid valve, which complicates the pipeline structure and is not conducive to the smoothness of the system. At present, most of the test chambers are not equipped with evaporating pressure regulating valves. The oil separator can return most of the compressor lubricating oil brought out from the compressor exhaust port. A small part of the oil must pass through the system to be recycled together with the refrigerant. Compressor suction port backflow. If the oil return of the system is not smooth, oil will gradually collect in the system, which will still cause a decline in heat exchange efficiency and compressor oil shortage. The high and low temperature test chamber heat exchanger has three advantages. First, it can make the condensed refrigerant supercool and reduce the amount of advanced gasification in the pipeline. Second, it can fully gasify the return refrigerant and reduce the risk of liquid blow. The third is to improve system efficiency. However, the access of the heat exchanger complicates the system. If the pipeline layout is not careful about the process, it will increase the pipe loss, which is not conducive to the company's product configuration for small batch production. The price of the high and low temperature test chamber is due to the system used in multiple circulation branches. A check valve is installed at the return port of the non-working circulation branch to prevent the refrigerant from flowing back to the non-working circulation space to accumulate. If the gaseous accumulation in the pipeline does not affect the system's operation, it is necessary to consider the prevention of liquid accumulation. Therefore, not all sub-circuits are to be equipped with check valves. The gas-liquid separator of the high and low temperature test chamber is one of the effective methods for avoiding liquid shock in the refrigeration system of the ring test equipment with variable operating conditions. At the same time, the cooling capacity can be adjusted appropriately, but the gas-liquid separator The oil return to the system is also cut off, so the oil separator must be installed to install the gas-liquid separator. For the unit composed of fully enclosed compressors, since there is a very good buffer space in the return air port, which can play a certain role in gasification, the gas-liquid separator can be omitted. For units with limited installation space, a thermal bypass can be set to vaporize excess liquid return. Ningbo XISXI E-commerce Co., Ltd , https://www.petspetscleaning.com