Installation of gas and liquid transfer pipes
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In preparation for the inspection, experts suggested that for methanol transfer lines, both gas-phase and liquid-phase transfer lines should be used; gas-phase recovery is not acceptable. They mentioned that this practice is now being adopted nationwide. I would like to ask if there are any documents or standards that specify such requirements.
Based on your description, the methanol dip pipe requires dual dip pipes for the gas phase and the liquid phase, and gas-phase recovery cannot be used. This practice is beginning to be adopted nationwide. Regarding the documents or standard requirements in this regard, you can refer to **the relevant regulations and standards that have been issued. These documents include, but are not limited to, the following: 1. \"Code for Design of Chemical Plant Equipment\": This code is an important document that **guides the design of chemical plants, and it may contain specific requirements regarding the installation of transfer pipes. 2. \"Standards for the Emission of Flammable and Toxic Gases from Chemical Enterprises\": This standard is used to guide chemical enterprises in managing the emission of flammable and toxic gases, and it may include certain requirements regarding the installation of transfer pipes. 3. “Technical Regulations for the Safe Production of Methanol”: These technical regulations serve as guiding documents for the safe production of methanol, and may include requirements regarding the installation of methanol transfer pipes. Please note that specific requirements may vary depending on the region and industry. It is recommended that you consult local chemical industry associations, regulatory authorities, or professional consulting firms for more accurate and detailed information. .