What type of foam should be used for methanol tanks with internal floating roofs?
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Our company has two 3,000-cubic-meter internal floating-roof methanol tanks equipped with fixed foam fire suppression systems. What type of foam solution should be used? Please share your opinions and suggestions.
Since methanol is soluble in water, non-water-soluble foam should be used for foam fire suppression in this storage tank area.
An antioxidant aqueous film-forming foam with a low multiplier should be chosen.
6% fluoroprotein antifreeze foam fire extinguishing agent. This fire extinguishing agent is composed of microbial polysaccharides, hydrocarbon surfactants, fluorocarbon surfactants, additives, preservatives, etc. This fire extinguishing agent possesses good thixotropy, and can be mixed with water in a ratio of 3:97 in various low-expansion foam generating devices ； A mixture in a 6:94 ratio is used to produce foam for extinguishing fires involving flammable polar solvents such as alcohols, esters, ethers, ketones, aldehydes, amines, and organic acids; it can also be used to extinguish oil fires. It is widely applicable to large-scale chemical plants, fiber factories, paint factories, solvent factories, alcohol factories, wineries, chemical product warehouses, ships, etc.