Smoke suppression type dry powder extinguishing agent and preparation method thereof
A dry powder fire extinguishing agent and smoke-suppressing technology, which is applied in fire prevention equipment and other directions, can solve the problem of large amount of smoke, achieve the effects of improving thermal stability, improving fire extinguishing effect, and reducing smoke release
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[0016] Example 1
[0017] A smoke-suppressing dry powder fire extinguishing agent, whose raw materials in parts by weight include: 60 parts of ammonium phosphate, 15 parts of bentonite, 12 parts of aluminum hydroxide, 9 parts of magnesium hydroxide, 2 parts of perfluorohexanone, and pyridine nucleotide diphosphate 3 parts, 2 parts of bismuth hydroxynitrate, 3 parts of graphite powder, 1 part of inorganic silica gel.
[0018] The method for preparing the smoke-suppressing dry powder fire extinguishing agent includes the following steps: weigh each raw material in parts by weight of the constituent raw materials, mix ammonium phosphate, bentonite, graphite powder and inorganic silica gel, grind, and add aluminum hydroxide and hydroxide in turn Magnesium, perfluorohexanone, pyridine nucleotide diphosphate, and bismuth bismuth nitrate are heated to 90° C., insulated and stirred, dried in vacuum, and passed through a 400-mesh sieve to obtain a smoke-suppressing dry powder fire extinguis...
Example Embodiment
[0019] Example 2
[0020] A smoke-suppressing dry powder fire extinguishing agent, whose raw materials in parts by weight include: 70 parts of ammonium phosphate, 10 parts of bentonite, 14 parts of aluminum hydroxide, 8 parts of magnesium hydroxide, 4 parts of perfluorohexanone, and pyridine nucleotide diphosphate 2 parts, 3 parts of bismuth hydroxynitrate, 2 parts of graphite powder, 2 parts of inorganic silica gel;
[0021] Wherein, the particle size of the ammonium phosphate is less than 0.5 mm;
[0022] The method for preparing the smoke-suppressing dry powder fire extinguishing agent includes the following steps: weigh each raw material in parts by weight of the constituent raw materials, mix ammonium phosphate, bentonite, graphite powder and inorganic silica gel, grind, and add aluminum hydroxide and hydroxide in turn Magnesium, perfluorohexanone, pyridine nucleotide diphosphate, and bismuth bismuth nitrate are heated to 80° C., insulated and stirred, vacuum dried, and passed ...
Example Embodiment
[0023] Example 3
[0024] A smoke-suppressing dry powder fire extinguishing agent, whose raw materials in parts by weight include: 65 parts of ammonium phosphate, 13 parts of bentonite, 13 parts of aluminum hydroxide, 8.5 parts of magnesium hydroxide, 3 parts of perfluorohexanone, and pyridine nucleotide diphosphate 2.5 parts, 2.5 parts of bismuth hydroxynitrate, 2.5 parts of graphite powder, 1.5 parts of inorganic silica gel;
[0025] Wherein, the particle size of the ammonium phosphate is less than 0.5 mm;
[0026] The particle size of the graphite powder is less than 0.5 mm.
[0027] The method for preparing the smoke-suppressing dry powder fire extinguishing agent includes the following steps: weigh each raw material in parts by weight of the constituent raw materials, mix ammonium phosphate, bentonite, graphite powder and inorganic silica gel, grind, and add aluminum hydroxide and hydroxide in turn Magnesium, perfluorohexanone, pyridine nucleotide diphosphate, and dihydroxybismu...
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