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What Dangers Will be Caused by the Incompatible Gas and Materials of the Gas Pipeline Engineering
Latest company news about What Dangers Will be Caused by the Incompatible Gas and Materials of the Gas Pipeline Engineering

1. Corrosion

1.1 Wet corrosion

For example, HCL and CL2 can easily corrode the cylinder when there is water. The introduction of water may be derived from the customer's use. It is not closed by the valve. It may also have similar corrosion in NH3, SO2, and H2S. Even dry hydrogen chloride and chlorine gas cannot be stored in aluminum alloy gas cylinders at high concentrations.

1.2 Stress corrosion

When Co, CO2, and H2O coexist, carbon steel cylinders are easily corroded. Therefore, when preparing standard gases containing CO and CO2, the gas cylinder must be dried, and the raw material gas must also use high purity gases or no moisture -free gas.

latest company news about What Dangers Will be Caused by the Incompatible Gas and Materials of the Gas Pipeline Engineering  0

2. Dangerous compounds

2.1 Acetylene and copper -containing copper alloy reaction to generate metal organic compounds.

2.2 Single halogen -based hydrocarbons CH3CL, C2H5CL, CH3BR, etc. cannot be installed in aluminum alloy cylinders. They will slowly form a metal organic halide with aluminum and explode when they encounter water. If the gas cylinder contains moisture, the prepared standard gas can be detected in the standard gas.

3. The explosion reaction causes the explosion reaction due to the incompatibility of the gas and valve sealing materials or pipeline materials. If the oxidized gases cannot choose a valve with combustible sealing materials. This is easy to be ignored when standard gas preparation. This includes how to calculate the oxidation of standard gas

 

Pub Time : 2022-05-07 17:04:27 >> News list
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