Double membrane gas cabinet technology introduction, double membrane gas cabinet use details, double membrane gas cabinet - biogas double membrane gas storage cabinet structure features and process manufacturers Chen manager 1, safe water seal spray water and frozen 1.1 double membrane gas cabinet in actual use The membrane gas cabinets are equipped with a safety water seal to relieve pressure when the gas cabinet is overpressured. However, when the gas passes through the water seal, a large amount of water is entrained and discharged, so that the water level is lowered. When the gas volume is large, the water will be sprayed directly, causing the protector to fail to recover and need to add water. Often the operator will be more troublesome, the consequence is that the gas cabinet is broken. 1.2 Even if the antifreeze is filled in the water seal, it will freeze in extremely cold areas (the antifreeze needs to be sealed to have good antifreeze performance). Once frozen, the gas cabinet will be exploded. 2, double membrane gas cabinet inner membrane leakage Many double membrane gas cabinets do not have a special inner membrane protection system, but simply use an overpressure water seal protection. Under normal circumstances, the outer membrane can eliminate the pressure of the endometrium. Once the outer membrane is not under pressure due to malfunction or power failure, the inner membrane will overpressure. Once the inner membrane is overpressure, it will deform and cause leakage. The inner membrane leaks into the outer membrane, causing the outer membrane to become a mixture, which is very dangerous. 3, double membrane gas cabinet material color change low-end double membrane gas cabinet in order to save cost using cheap building outer membrane (imported architectural film is also architectural film), the outer membrane has no anti-corrosion ability. In addition, the amount of leakage of the endometrium is large, and it is prone to the problem of corrosion and discoloration. 4, double membrane gas cabinet gas cabinet damage In addition to the water seal and other protective measures are not in place, the gas cabinet overpressure damage, the main reason is that the welding is not closed, the weld has exploded. There is also a lack of gas in the outer membrane of the gas cabinet, which will be scratched by the wind and requires a stable and reliable control system. It is a system that can alarm even if power is cut off. 5, double membrane gas cabinet node leaks Many gas cabinet connection points use multiple line segments to form a circle, there will be film cloth overlap in the corner, resulting in a leaky seal. 6, the double membrane gas cabinet height meter and other sensor reliability is poor. The equipment of the double membrane gas cabinet is mostly come, and there is no special design. Most of the altimeter uses a reflective ultrasonic range finder, which requires a plane to reflect the ultrasonic waves to obtain the position of the object. The inner membrane is spherical and often tilts. Once tilted, the sound waves cannot be reflected normally, causing the detection to fail. If the test fails, the joint control will not be realized, which is the main reason why the control of the double membrane gas cabinet is relatively primitive. 7. High energy consumption Many companies use a blower to inflate the outer membrane 24 hours a day for their own simple manufacturing. The excess gas is discharged through a tightly sealed pressure regulating valve. The advantage of this is that even if the inner membrane leaks, it can be circulated, but the downside is that the annual energy consumption is tens of thousands of yuan. Moreover, once the power is cut off, the film will quickly collapse due to the tight seal. Http://news.chinawj.com.cn
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