For a two-stage compressed air compressor, the compression ratio of the low-pressure cylinder changes little under normal conditions, because the intake pressure bead of the first-stage cylinder is the local atmospheric pressure minus the suction filter and the suction pipe. Resistance, the exhaust pressure bead of the low pressure cylinder: if the pipe resistance is not considered, it is the gas side pressure of the intercooler. When the exhaust valve of the low-pressure cylinder or the suction valve of the high-pressure cylinder fails, or the resistance of the pipeline from the low-pressure exhaust gas to the high-pressure intake air increases, the increase of the beads will occur, thereby increasing the compression ratio of the low-pressure cylinder. If the resistance of the pipeline and the cooler is not considered, the intake pressure P of the high-pressure cylinder is high; that is, it is equal to the exhaust pressure bead 2 of the low-pressure cylinder and the gas-side pressure of the intermediate cooler, and the change is small when the low-pressure cylinder is working normally. The pressure is mainly adjusted according to the requirements of the user. Under the premise of satisfying the user's use, the lower the pressure, the less power consumption of the compressor, the more economical the work, and the lowering of the exhaust gas temperature. When the gas valve fails and the resistance of the high-pressure exhaust pipe and the after-cooler increases, the exhaust pressure of the high-pressure cylinder increases, so that the compression ratio of the high-pressure cylinder increases, and the exhaust gas temperature rises. The variable index of the gas compression process reflects the cooling condition during the working process of the cylinder. If the cooling water volume of the cooling water jacket in the cylinder and the cylinder head is sufficient, the water temperature is low, the water quality is clean, the cylinder is well cooled, and the compression process tends to be isothermal. In the process, the variable index is reduced; otherwise, the cooling water is insufficient, the water quality is dirty, the cylinder is poorly cooled, the compression process is close to the adiabatic process, and the variable index is increased. In order to ensure good cooling of the cylinder, the temperature difference between the inlet water and the return water of the cylinder water jacket is required to be between 6 and 12 °C. 1. Durability: Strong Roll Up Doors are made of high-quality materials that are designed to withstand harsh weather conditions, extreme temperatures, and heavy use. Strong Roll Up,Standard Roll Up Stand,Mini Retractable Roll Up,Spring Roll Up Stand SUZHOU JH DISPLAY&EXHIBITION EQUIPMENT CO.,LTD , https://www.jh-posterstand.com
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The compression process is close to the adiabatic process