Cold and frost-proof for the instrument "wear cotton"

Cold and frost-proof for the instrument "wear cotton" It is now the cold weather, which is the coldest time of the year. Fushun Petrochemical's new 800,000-ton/year ethylene plant faces a severe test of minus 20°C. The company effectively reduced the adverse effects of cold weather on safe production by “wearing cotton” for instrumentation. The picture shows the company's employees are patrolling the meter "cotton coat."

In winter, especially in the winter in the north, as the temperature decreases, when the measured medium is sent to the transmitter through the measuring pipeline, the phenomenon of freezing, solidification, and precipitation of crystallization often occurs when the ambient temperature is too low, because the ambient temperature is too low. Exceeding the normal operating temperature range of the instrument used directly affects the accuracy of the meter measurement display. The pressure, flow, liquid level, temperature and other instrument points, the measurement medium is mostly liquid, affected by low temperature, more likely to cause measurement errors, severe cases may lead to poisoning, fire, explosion and other safety accidents.

Therefore, every winter, the cold and antifreeze work of instrumentation is particularly important. However, some large-scale instrumentation users have prepared and responded earlier. For example, power plants, petroleum, chemicals, and water plants have all developed a system suitable for cold- and anti-freezing of their own companies' instruments, and performed antifreeze and sewerage treatment on the instruments. And so on all aspects of the work.

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