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Composite dry powder extinguishing agent and preparation method thereof

A dry powder fire extinguishing agent and drying technology, applied in fire protection equipment and other directions, can solve the problems of poor fire extinguishing effect, scattered by wind, and difficult to adhere, and achieves good fire extinguishing performance, high fire extinguishing efficiency, and strong moisture resistance.

Active Publication Date: 2016-08-10
海门市知舟工业设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the existing dry powder fire extinguishing agent powder is used in a three-dimensional combustion type fire, it is not easy to adhere to the three-dimensional surface of the burning object, and it is easy to fall off or scatter with the help of wind, and the fire extinguishing effect is not good.

Method used

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  • Composite dry powder extinguishing agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Example 1 Composite dry powder fire extinguishing agent is prepared from the following main raw materials in parts by weight (each part is 1000g): 30 parts of alkali slag, 15 parts of sodium bicarbonate, 12 parts of potassium sulfate, 10 parts of magnesium carbonate powder, polybutylene 2 parts of alkene, 3 parts of ammonium sulfate, 8 parts of gypsum, 4 parts of chlorinated rubber, 3 parts of zinc borate, 1.5 parts of tin oxide, and 0.8 parts of silicon nitride.

[0033] The preparation method of above-mentioned composite dry powder fire extinguishing agent is:

[0034] (1) Take silicon nitride, add water and polymethacrylic acid, the quality of water is 1 / 7 of the mass of silicon nitride, and the weight of polymethacrylic acid is 0.05% of the mass of silicon nitride, put it into a ball mill tank, Grinding, grinding for 65 hours, sieving to remove the grinding medium, drying, grinding, and sieving;

[0035] (2) Separately pulverize alkali slag, polybutene, gypsum, chl...

Embodiment 2

[0037] Example 2 Composite dry powder fire extinguishing agent is prepared from the following main raw materials in parts by weight (each part is 1000g): 38 parts of alkali slag, 22 parts of sodium bicarbonate, 18 parts of potassium sulfate, 15 parts of magnesium carbonate powder, polybutylene 5 parts of alkene, 7 parts of ammonium sulfate, 14 parts of gypsum, 9 parts of chlorinated rubber, 6 parts of zinc borate, 3.5 parts of tin oxide, and 1.8 parts of silicon nitride.

[0038] The preparation method of above-mentioned composite dry powder fire extinguishing agent is:

[0039] (1) Take silicon nitride, add water and polymethacrylic acid, the quality of water is 1 / 3 of the mass of silicon nitride, and the weight of polymethacrylic acid is 0.1% of the mass of silicon nitride, put it into a ball mill tank, Grinding, grinding for 85 hours, sieving to remove the grinding medium, drying, grinding, and sieving;

[0040] (2) Separately pulverize alkali slag, polybutene, gypsum, chl...

Embodiment 3

[0042] Example 3 The composite dry powder fire extinguishing agent is prepared from the following main raw materials in parts by weight (each part is 1000g): 33 parts of alkali slag, 17 parts of sodium bicarbonate, 14 parts of potassium sulfate, 11 parts of magnesium carbonate powder, polybutylene 2.5 parts of alkene, 4 parts of ammonium sulfate, 10 parts of gypsum, 5 parts of chlorinated rubber, 4 parts of zinc borate, 2 parts of tin oxide, and 1.2 parts of silicon nitride.

[0043] The preparation method of above-mentioned composite dry powder fire extinguishing agent is:

[0044] (1) Take silicon nitride, add water and polymethacrylic acid, the quality of water is 1 / 6 of the mass of silicon nitride, and the weight of polymethacrylic acid is 0.07% of the mass of silicon nitride, put it into a ball mill tank, Grinding, grinding for 68 hours, sieving to remove the grinding medium, drying, grinding, and sieving;

[0045] (2) Separately pulverize alkali slag, polybutene, gypsum...

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Abstract

The invention discloses a composite dry powder extinguishing agent and a preparation method thereof. The composite dry powder extinguishing agent is prepared from the following main raw materials in parts by weight: 30 to 38 parts of alkali residues, 15 to 22 parts of sodium bicarbonate, 12 to 18 parts of potassium sulfate, 10 to 15 parts of magnesium carbonate powder, 2 to 5 parts of polybutylene, 3 to 7 parts of ammonium sulfate, 8 to 14 parts of gypsum, 4 to 9 parts of chlorinated rubber, 3 to 6 parts of zinc borate, 1.5 to 3.5 parts of tin oxide and 0.8 to 1.8 parts of silicon nitride. The composite dry powder extinguishing agent disclosed by the invention has good fire extinguishing performance for three-dimensional burning type fire and has the advantages of high fire extinguishing efficiency, high moisture resistance, good after-combustion resistance and environment friendliness.

Description

technical field [0001] The invention relates to the technical field of fire protection, in particular to a composite dry powder fire extinguishing agent and a preparation method. Background technique [0002] Dry powder fire extinguishing agent is a commonly used fire extinguishing agent, which has the characteristics of dryness, easy flow, good moisture resistance and anti-caking property. [0003] Widely used in oil fields, oil depots, refineries, chemical plants, chemical warehouses, ships, airports and industrial and mining enterprises. The currently used dry powder fire extinguishing agents are mainly divided into three categories: the first category uses sodium chloride, potassium chloride or barium chloride as the main raw material, and can also include organic matter, etc., and is mainly used for Class D fires. Dry sodium chloride, potassium chloride or barium chloride has poor thermal conductivity, and can absorb the heat of the burning metal surface and fix it on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/00
CPCA62D1/0014
Inventor 不公告发明人
Owner 海门市知舟工业设计有限公司
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