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Fire extinguishing agent

A technology of fire extinguishing agent and ammonium polyphosphate, which is applied in the direction of fire prevention equipment, etc., can solve the problems of fire hazard, high temperature of equipment, long floating time of aerosol particles, etc., and achieve the effect of avoiding resurgence

Inactive Publication Date: 2012-12-19
SHANDONG CHANGXING GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual popularization and application of this fire extinguishing technology, there have been many associated problems caused by thermal reactions, such as: flames spray out during combustion, causing secondary fire hazards; the surface temperature of equipment is too high; toxic gas is produced; At high temperatures, aerosol particles take longer to float

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Formula (parts by weight): ammonium polyphosphate (polymerization degree n is 200-1000) 100, potassium sulfate 18, sodium bicarbonate 18, magnesium chloride 8, mica 8, silicone oil 12, activated clay 8, coated red phosphorus 6, zinc borate 8. Antimony trioxide 8 and white carbon black 10.

[0015] Preparation method: take the above-mentioned raw materials in parts by weight, mix them and grind them until the particle size is ≤5 μm.

[0016] The fire extinguishing agent produced has a moisture content of 0.08-0.10%, a moisture absorption rate of 0.15-0.18%, a fluidity of ≤5s (expressed by the flow time after freezing at -20°C), an electrical insulation of ≥9.0kv, and can extinguish Class A fires. Efficiency is 22~25g / m 3 , Class B fire extinguishing efficiency 22~25g / m 3 , Class C fire extinguishing efficiency 22 ~ 25g / m 3 , Class D fire extinguishing efficiency 22 ~ 25g / m 3 ; Compared with using water alone to extinguish the fire, the smoke is reduced by ≥75%, and t...

Embodiment 2

[0018] Formula (parts by weight): ammonium polyphosphate (polymerization degree n is 200-1000) 100, potassium sulfate 15, sodium bicarbonate 15, magnesium chloride 5, mica 5, silicone oil 10, activated clay 5, coated red phosphorus 5, zinc borate 5. Antimony trioxide 5 and white carbon black 8.

[0019] Preparation method: take the above-mentioned raw materials in parts by weight, mix them and grind them until the particle size is ≤5 μm.

[0020] The fire extinguishing agent produced has a moisture content of 0.06-0.08%, a moisture absorption rate of 0.18-0.20%, fluidity ≤ 5s (expressed by the flow time after freezing at -20°C), electrical insulation ≥ 8.5kv, and can extinguish class A fires. Efficiency is 25~28g / m 3 , Class B fire extinguishing efficiency 25 ~ 28g / m 3 , Class C fire extinguishing efficiency 25 ~ 28g / m 3 , Class D fire extinguishing efficiency 25 ~ 28g / m 3 ; Compared with using water alone to extinguish the fire, the smoke is reduced by ≥75%, and the poiso...

Embodiment 3

[0022] Formula (parts by weight): ammonium polyphosphate (polymerization degree n is 200-1000) 100, potassium sulfate 20, sodium bicarbonate 20, magnesium chloride 10, mica 10, silicone oil 15, activated clay 10, coated red phosphorus 8, zinc borate 10. Antimony trioxide 10 and white carbon black 12.

[0023] Preparation method: take the above-mentioned raw materials in parts by weight, mix them and grind them until the particle size is ≤5 μm.

[0024] The fire extinguishing agent produced has a moisture content of 0.10-0.12%, a moisture absorption rate of 0.18-0.20%, a fluidity of ≤5s (expressed by the flow time after freezing at -20°C), an electrical insulation of ≥10.0kv, and can extinguish Class A fires. Efficiency is 20~22g / m 3 , Class B fire extinguishing efficiency 20 ~ 22g / m 3 , Class C fire extinguishing efficiency 22 ~ 25g / m 3 , Class D fire extinguishing efficiency 20 ~ 22g / m 3 ; Compared with using water alone to extinguish the fire, the smoke is reduced by ≥75...

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Abstract

The invention discloses a fire extinguishing agent, which is prepared from the following raw materials in parts by weight: 100 parts of ammonium polyphosphate, 15-20 parts of potassium sulphate, 15-20 parts of sodium bicarbonate, 5-10 parts of magnesium chloride, 5-10 parts of mica, 10-15 parts of silicone oil, 5-10 parts of activated clay, 5-8 parts of red phosphorus, 5-10 parts of zinc borate, 5-10 parts of antimonous oxide and 5-15 parts of white carbon black. The fire extinguishing agent is compounded by multiple components, thus, type-A fire, type-B fire, type-C fire and type-D fire can be extinguished at the same time. Moreover, a flame retardant component is left on an extinguished object after the fire is extinguished so as to avoid resurgence. As all the raw materials are environmental protection materials, the fire extinguishing agent disclosed by the invention has no toxin, smell, pollution or radiation, and harmful gas cannot be generated when the fire is extinguished. After the fire extinguishing agent is sprayed onto a burning object when the fire is extinguished, smoke can be eliminated and toxic gas can be adsorbed so as to prevent the condition that people are suffocated from occurring as possible.

Description

technical field [0001] The invention relates to a fire extinguishing agent and belongs to the technical field of fire extinguishing. Background technique [0002] The fire extinguishing agent that uses at present has gas, solid, liquid three kinds. Among them, the best gas fire extinguishing agent is halon fire extinguishing agent. Because it has a strong destructive effect on the ozone layer, it has been gradually eliminated; dry powder fire extinguishing agent will leave a layer of powder on the sprayed place, and water cannot be used for precision instrument fire extinguishing due to its certain corrosiveness. Because aerosol fire extinguishing agent has the advantages of high volumetric efficiency, low initial cost, non-toxic and harmless to human body, fast fire extinguishing speed, and no adverse effects on the environment, it is an ideal product and technology to replace halon fire extinguishing agent and fire extinguishing technology in the world today. . [0003]...

Claims

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Application Information

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IPC IPC(8): A62D1/06
Inventor 朱玉国
Owner SHANDONG CHANGXING GROUP
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