Dry powder extinguisher containing modified smectite powder

A technology of dry powder fire extinguishing agent and montmorillonite powder, which is applied in the direction of fire prevention equipment, can solve the problems of poor cooling performance and recombustion resistance, limited fire extinguishing effect, poor fire extinguishing effect, etc., and achieves strong moisture resistance, high fire extinguishing efficiency, and fire resistance Good reflammability effect

Inactive Publication Date: 2014-05-07
TONGLING XIANGYUN FIRE FIGHTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common fire extinguishing agents include gas, dry powder, water and foam. At present, foam fire extinguishing agents and dry powder fire extinguishing agents are often used for fires in tank farms. Dry powder fire extinguishing agents are dry, easy to flow, good moisture resistance and anti-caking properties However, the existing dry powder fire extinguishing agents have poor cooling performance and re-flammability resistance when fighting large-scale oil pool fires and flowing fires, and the fire extinguishing effect is not good. In addition, when used in three-dimensional combustion type fires, it is not easy to adhere to On the three-dimensional surface of the object, it is easy to fall off, and the fire extinguishing effect is limited

Method used

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  • Dry powder extinguisher containing modified smectite powder

Examples

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Comparison scheme
Effect test

Embodiment 1

[0018] A dry powder fire extinguishing agent containing modified montmorillonite powder, made of the following raw materials in parts by weight: 80 parts of modified montmorillonite powder, 7 parts of mica powder, 13 parts of hydrated zinc sulfide, 5 parts of calcium hydroxide, stearic acid 6 parts of magnesium, 5 parts of nitrogen-containing silicon oil, 2 parts of expandable graphite, 3 parts of magnesite, 3 parts of urea, 6 parts of calcium lignosulfonate, 4 parts of bamboo charcoal fiber, 2 parts of industrial essence, 3 parts of zinc borate, chlorine 2 parts of paraffin, 8 parts of diatomaceous earth.

[0019] Wherein, the modified montmorillonite powder is prepared by the following method: calcining the montmorillonite at a temperature of 700° C. for 3 hours, soaking it in 12% hydrochloric acid solution for 3 hours, washing it with deionized water to neutrality, and drying it. Then add charcoal powder equivalent to 2% of the powder weight, 4% cetyltrimethylammonium bromi...

Embodiment 2

[0022] A dry powder fire extinguishing agent containing modified montmorillonite powder, 70 parts of modified montmorillonite powder, 6 parts of mica powder, 10 parts of zinc sulfide hydrate, 3 parts of calcium hydroxide, 7 parts of magnesium stearate, and 3 parts of nitrogen-containing silicone oil , 2 parts of expandable graphite, 3 parts of magnesite, 2 parts of urea, 7 parts of calcium lignosulfonate, 3 parts of bamboo charcoal fiber, 2 parts of industrial essence, 2 parts of zinc borate, 1 part of chlorinated paraffin, diatomaceous earth 8 servings.

[0023] Wherein, the modified montmorillonite powder is prepared by the following method: calcining the montmorillonite at a temperature of 600° C. for 4 hours, soaking it in 10% hydrochloric acid solution for 4 hours, washing it with deionized water to neutrality, and drying it. Then add charcoal powder equivalent to 1% of the powder weight, 3% cetyltrimethylammonium bromide, and 4% 2-bromo-3,3,3-trifluoropropene. Stir for ...

Embodiment 3

[0026] A dry powder fire extinguishing agent containing modified montmorillonite powder, made of the following raw materials in parts by weight: 90 parts of modified montmorillonite powder, 10 parts of mica powder, 15 parts of hydrated zinc sulfide, 5 parts of calcium hydroxide, stearic acid 8 parts of magnesium, 5 parts of nitrogen-containing silicon oil, 3 parts of expandable graphite, 3 parts of magnesite, 3 parts of urea, 6 parts of calcium lignosulfonate, 5 parts of bamboo charcoal fiber, 3 parts of industrial essence, 4 parts of zinc borate, chlorine 3 parts of paraffin, 10 parts of diatomaceous earth.

[0027] Wherein, the modified montmorillonite powder is prepared by the following method: calcining the montmorillonite at a temperature of 800° C. for 3 hours, soaking it in 12% hydrochloric acid solution for 3 hours, washing it with deionized water to neutrality, and drying it. Then add charcoal powder equivalent to powder weight%, 4% cetyltrimethylammonium bromide, 4% ...

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Abstract

The invention discloses a dry powder extinguisher containing modified smectite powder, which is prepared from the following raw materials in parts by weight: 70-90 parts of modified smectite powder, 5-10 parts of mica powder, 10-15 parts of zinc sulfide hydrate, 3-5 parts of calcium hydroxide, 5-8 parts of magnesium stearate, 3-5 parts of nitrogenous silicon oil, 2-3 parts of expandable graphite, 2-3 parts of magnesite, 2-3 parts of urea, 5-8 parts of calcium lignosulphonate, 3-5 parts of bamboo charcoal fiber, 2-3 parts of industrial essence, 2-4 parts of zinc borate, 1-3 parts of chlorinated paraffin and 8-10 parts of kieselguhr. The extinguisher has the advantages of high fire extinguishing efficiency, high moisture resistance, favorable after-combustion resistance, environment friendliness and simple production technique, and is suitable for various fire hazards.

Description

[0001] technical field [0002] The invention relates to the technical field of fire protection, in particular to a dry powder fire extinguishing agent containing modified montmorillonite powder. [0003] Background technique [0004] With the implementation of the national energy security strategy and the rapid development of the economy and society, in order to ensure my country's energy security and promote the sustainable development of my country's economy, the super-large oil tank will become an inevitable trend of development, and the potential large-area oil pool The risk of fire and flowing fire fire accidents is also increasing. Once the oil tank fires, the damage will be huge. The use of fire extinguishing agents plays a key role in fire fighting in tank farms. Common fire extinguishing agents are gas, dry powder, water and foam. At present, foam fire extinguishing agents and dry powder fire extinguishing agents are often used for fires in tank farms. Dry powder ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/00
Inventor 何益庆
Owner TONGLING XIANGYUN FIRE FIGHTING TECH
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