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The history of Fire extinguishers
Feb 10, 2018

Fire extinguisher--fire extinguisher in ancient times is very simple, nothing more than hooks, axes, spades, barrels and so on. The first real special fire extinguisher was invented by the British captain, Norfolk Mambi, in 1816, and it was only 12 drums filled with 1 litres of water and compressed air.

By the middle of 19th century, French doctor Gallieres invented portable chemical fire extinguishers. Mix the sodium bicarbonate with the water in the barrel, and use a glass bottle filled with sulfuric acid in the barrel mouth. In use, the firing pin is used to break the bottle, mixing the chemicals, producing carbon dioxide, and putting the water pressure out of the barrel.

In 1905, Professor Laurent of Russia invented a kind of foam extinguishing agent in St. Petersburg, mixing aluminum sulfate with sodium bicarbonate solution and adding stabilizer, which was sprayed with carbon dioxide foam and floated on burning oil, paint or gasoline, effectively isolating oxygen and extinguishing flames.

In 1909, New York's Davidson obtained a patent to use carbon dioxide to press out carbon tetrachloride from a fire extinguisher, which would immediately become an inflammable heavier gas to smother the flames. Since then, there have been dry powder fire extinguishers, liquid carbon dioxide fire extinguishers and other small types of fire extinguishers.

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