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A high-efficiency abc dry powder fire extinguishing agent

A dry powder fire extinguishing agent, high-efficiency technology, applied in fire prevention equipment, etc., can solve the problems of low fire extinguishing efficiency, low content of monoammonium phosphate, poor fire extinguishing effect, etc., to improve sports performance, high content of monoammonium phosphate, and good fire extinguishing effect Effect

Active Publication Date: 2019-04-12
GUIZHOU CHANHEN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] At present, the ABC dry powder fire extinguishing agent commonly produced in China contains about 50% of monoammonium phosphate and about 25% of ammonium sulfate, and the rest are auxiliary materials. On the other hand, from a theoretical analysis, the higher the proportion of ABC dry powder fire extinguishing agent powder particle size less than 0.04mm, the higher the fire extinguishing efficiency, but the current ABC dry powder fire extinguishing agent manufacturers regard the powder particle size less than 0.04mm The proportion is controlled within 50%, and its fire extinguishing efficiency is low, which is the main defect of the current ABC dry powder fire extinguishing agent

Method used

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  • A high-efficiency abc dry powder fire extinguishing agent
  • A high-efficiency abc dry powder fire extinguishing agent
  • A high-efficiency abc dry powder fire extinguishing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The raw material of the main components adopts 820 kilograms of monoammonium phosphate with a purity of 92.71% produced by our company, wherein the content of ammonium sulfate is 2.62%, and other components are purchased from the market. The converted formula is as follows:

[0027] Monoammonium Phosphate

ammonium sulfate

Silica

Quartz sand

silicone oil

Mica

activated clay

iron yellow

760kg

152kg

13kg

11kg

6kg

11kg

11kg

0.02kg

[0028] Break the monoammonium phosphate and ammonium sulfate separately; add all the raw materials into the silicification machine (except silicone oil) according to the formula; stir and heat to 60-70°C; spray the emulsion of silicone oil and water; The temperature of the reaction material is 110-115°C; the siliconized reaction material is cooled to below 60°C, screened, and packaged to obtain a high-efficiency ABC dry powder fire extinguishing agent product.

[0029] T...

Embodiment 2

[0033] The raw material of the main components adopts 810 kilograms of monoammonium phosphate with a purity of 96.43% produced by our company, wherein the content of ammonium sulfate is 1.08%, and other components are purchased from the market. The converted formula is as follows:

[0034] Monoammonium Phosphate

ammonium sulfate

Silica

Quartz sand

silicone oil

Mica

activated clay

iron yellow

781kg

153kg

25kg

12kg

9kg

25kg

12kg

0.01kg

[0035] Break the monoammonium phosphate and ammonium sulfate separately; add all raw materials into the siliconization machine (except silicone oil) according to the formula; stir and heat to 65-75°C; spray the emulsion of silicone oil and water; siliconization reaction for 2.5 hours, siliconization The temperature of the reaction material is 90-95°C; the siliconized reaction material is cooled to below 60°C, screened and packaged to obtain a high-efficiency ABC dry powd...

Embodiment 3

[0040] The raw material of the main components adopts 816 kilograms of monoammonium phosphate with a purity of 94.39% produced by our company, wherein the content of ammonium sulfate is 3.12%, and other components are purchased from the market. The formula after conversion is as follows:

[0041] Monoammonium Phosphate

ammonium sulfate

Silica

Quartz sand

silicone oil

Mica

activated clay

lead chrome yellow

770kg

156kg

10kg

26kg

5kg

15kg

21kg

0.01kg

[0042] Break the monoammonium phosphate and ammonium sulfate separately; add all raw materials into the siliconization machine (except silicone oil) according to the formula; stir and heat to 75-85°C; spray the emulsion of silicone oil and water; siliconization reaction for 2 hours, siliconization The temperature of the reaction material is 105-110°C; the siliconized reaction material is cooled to below 60°C, screened, and packaged to obtain a high-efficien...

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Abstract

The invention provides a high-efficiency ABC dry powder extinguishing agent with the content of main components being larger than 90%. The high-efficiency ABC dry powder extinguishing agent is characterized in that the components comprise monoammonium phosphate and ammonium sulfate, wherein the mass fraction of the monoammonium phosphate is larger than 75%, and the sum of the mass fractions of the monoammonium phosphate and the ammonium sulfate is larger than 90%. The powder granularity is reasonable in distribution, and the content of the monoammonium phosphate in a chassis is larger than 75%. The high-efficiency ABC dry powder extinguishing agent has the advantages of being high in content of main components, good in extinguishing effect, simple in production process and the like, and has high market potential.

Description

technical field [0001] The invention belongs to the field of fire extinguishing agents, in particular to a high-efficiency ABC dry powder fire extinguishing composition. technical background [0002] Dry powder fire extinguishing agent is composed of one or more fine inorganic powders with fire extinguishing ability, and its fire extinguishing mechanism is as follows: [0003] (1) Chemical inhibition: The combustion process is a chain reaction process. OH and H free radicals are the key free radicals to maintain the combustion chain reaction. They have high energy and are very active, but their lifespan is very short. Initiate the next reaction to generate more free radicals, so that the combustion process can continue and continue to expand. The fire extinguishing component of the dry powder fire extinguishing agent is a burning inactive substance. When the dry powder fire extinguishing agent is added to the combustion zone and mixed with the flame, when the dry powder pow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62D1/00
CPCA62D1/0014
Inventor 龙辉王佳才张海波李顺方罗治均赵魁马永强姜基灿
Owner GUIZHOU CHANHEN CHEM CO LTD
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