CN103388485B - A kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof - Google Patents
A kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof Download PDFInfo
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- CN103388485B CN103388485B CN201310303696.0A CN201310303696A CN103388485B CN 103388485 B CN103388485 B CN 103388485B CN 201310303696 A CN201310303696 A CN 201310303696A CN 103388485 B CN103388485 B CN 103388485B
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Abstract
A kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof, belongs to preventing and extinguishing fire of coal mine Material Field.In aqueous solvent, triphenyl phosphite and the 4%-10% white glue with vinyl continuation reaction of 4%-10% after reactive polymeric, is added by 2%-6% polyvinyl alcohol and 1%-5% phosphoric acid, 1%-5% urea, the inorganic aggregates adding 15%-25% is more fully uniformly mixed and finally obtains product, and described inorganic aggregates is by any combination of one or more in French chalk, kaolin, mica powder.During materials'use of the present invention, technique is simple, directly to be leaked out passage with shutoff on coal cinder surface by material spraying by flush coater; Triphenyl phosphite and Miscibility good, the product stability obtained is good; This kind of material has superior fire resistance, can reach the fire-retardant rank can not lighted with alcolhol burner.
Description
Technical field
The invention belongs to preventing and extinguishing fire of coal mine Material Field, being specifically related to a kind of for preventing spraying class fireproofing extinguishing materials and the preparation method of spontaneous combustionof coal in colliery.
Technical background
Coal in China is occupied an leading position in energy source in China general layout, very large strategic importance is had to China, huge interests are brought to the country and people, but China's coal-mine field conditions is complicated, bad environments, annual various accident all can cause huge economy and property loss to country, and these accidents have brought huge body and mind injury.After seam mining, the air quantity between ground and intake and between intake and return aircourse, between return aircourse and ground exchanges and becomes large gradually, and goaf air leaking is serious.The increase of air quantity brings the hidden danger of gas explosion and spontaneous combustion of coal seam.Because a denier air enters coal body inside, the spontaneous compound of coal oxygen releases amount of heat, and this heat is accumulated under certain conditions, and coal temperature will constantly rise, and finally cause spontaneous combustionof coal.Therefore, process upper and lower two ends, goaf and lose the key that ribbing, isolation goaf and face up and down trough, goaf wind leaking stoppage are fully mechanized coal face prevention of Spontaneous Ignition.
A kind of effective way is that spraying wind leaking stoppage class fireproofing extinguishing materials is applied in goaf.This material can be attached to coal body surface through spraying coating process under goaf coal cinder puts mixed condition, fills space, and its wind leaking stoppage ability is strong, obviously can reduce the hidden danger of spontaneous combustion of coal seam and gas explosion.
The fire proofing be made up of polyvinyl alcohol, ammonium polyphosphate is applied in colliery and carries out the process of coal body wind leaking stoppage and can play effect that is fire-retardant, wind leaking stoppage, this material can occur after ignition from putting out, but does not also reach the fire-retardant rank can not lighted with alcolhol burner.
Summary of the invention
Object of the present invention is intended to overcome above shortcoming, and propose a kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof, this material can reach the fire-retardant rank that alcolhol burner flame cannot be lighted.
The present invention is achieved through the following technical solutions: a kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof, in aqueous solvent, after reactive polymeric, add the triphenyl phosphite of 4%-10% by 2%-6% polyvinyl alcohol and 1%-5% phosphoric acid, 1%-5% urea and 4%-10% white glue with vinyl continues reaction, then the inorganic aggregates adding 15%-25% is fully uniformly mixed and finally obtains product.Described inorganic aggregates is by any combination of one or more in French chalk, kaolin, mica powder, and each component above is the percentage of oeverall quality.
A preparation method for coal mining spraying class fireproofing extinguishing materials, concrete steps comprise:
A) under water-bath, 2%-6% polyvinyl alcohol is joined abundant stirring and dissolving in aqueous solvent, temperature controls at 70-100 DEG C, stirs 2-5h;
B) by joining in the solution of a) step gained after 1%-5% phosphoric acid and 1%-5% urea mixed dissolution, react at 80-100 DEG C of temperature, reaction time 2-5h;
C) after reacting completely, the triphenyl phosphite adding 4%-10% fully stirs 1h, and temperature controls at 80-100 DEG C;
D) add 4%-10% white glue with vinyl fully to stir, control temperature at 40-60 DEG C, until stir;
E) at room temperature, the inorganic aggregates of 15%-25% is joined in the solution obtained and fully stirs, stir and obtain product.
Said components is preferred further: the polyvinyl alcohol of 4-5%, the phosphoric acid of 4-5%, the urea of 4-5%, the white glue with vinyl of 5-7%, the triphenyl phosphite of 7-8%, the inorganic aggregates of 18-20% and tap water.
A kind of coal mining spraying class fireproofing extinguishing materials of the present invention, has following significantly advantage:
1. when a coal mining spraying class fireproofing extinguishing materials uses, technique is simple, directly to be leaked out passage with shutoff on coal cinder surface by material spraying by flush coater;
2. triphenyl phosphite and Miscibility good, the product stability obtained is good;
3, this kind of material has superior fire resistance, can reach the fire-retardant rank can not lighted with alcolhol burner.
Detailed description of the invention
Embodiment 1
1) under water-bath, 5g polyvinyl alcohol is joined abundant stirring and dissolving in 20g aqueous solvent, temperature controls at 70-100 DEG C, stirs 2-5h;
2) 4g phosphoric acid and 4g urea are mixed to join after dissolving in the water of 5g and are slowly added dropwise to the 1st) in the solution of step gained, react under the bath temperature of 80-100 DEG C, reaction time 2-5h;
3) add the triphenyl phosphite adding 4g after 33g water continues reaction 2h and fully stir 1h, temperature controls at 80-100 DEG C;
4) when solution is cooled between 40-60 DEG C, add 5g white glue with vinyl fully to stir, until stir.
5) at room temperature the inorganic aggregates of 20g is joined in the solution obtained and be stirred well to evenly.
Film forming rear surface is smooth in a mold for the coal mining spraying class fireproofing extinguishing materials of gained, and film compactness is good, heats do not lighted by material with alcolhol burner under burning batten.
Embodiment 2
1) under water-bath, 5g polyvinyl alcohol is joined abundant stirring and dissolving in 20g aqueous solvent, temperature controls at 70-100 DEG C, stirs 2-5h;
2) 4g phosphoric acid and 4g urea are mixed to join after dissolving in the water of 5g and are slowly added dropwise to the 1st) in the solution of step gained, react under the bath temperature of 80-100 DEG C, reaction time 2-5h;
3) add the triphenyl phosphite adding 7g after 30g water continues reaction 2h and fully stir 1h, temperature controls at 80-100 DEG C;
4) when solution is cooled between 40-60 DEG C, add 5g white glue with vinyl fully to stir, until stir.
5) at room temperature the inorganic aggregates of 20g is joined in the solution obtained and be stirred well to evenly.
Film forming rear surface is smooth in a mold for the coal mining spraying class fireproofing extinguishing materials of gained, and film compactness is good, heats do not lighted by material with alcolhol burner under burning batten.
Embodiment 3
1) under water-bath, 5g polyvinyl alcohol is joined abundant stirring and dissolving in 20g aqueous solvent, temperature controls at 70-100 DEG C, stirs 2-5h;
2) 4g phosphoric acid and 4g urea are mixed to join after dissolving in the water of 5g and are slowly added dropwise to the 1st) in the solution of step gained, react under the bath temperature of 80-100 DEG C, reaction time 2-5h;
3) add the triphenyl phosphite adding 10g after 27g water continues reaction 2h and fully stir 1h, temperature controls at 80-100 DEG C;
4) when solution is cooled between 40-60 DEG C, add 5g white glue with vinyl fully to stir, until stir.
5) at room temperature the inorganic aggregates of 20g is joined in the solution obtained and be stirred well to evenly.
Film forming rear surface is smooth in a mold for the coal mining spraying class fireproofing extinguishing materials of gained, and film compactness is good, heats do not lighted by material with alcolhol burner under burning batten.
Claims (3)
1. a coal mining spraying class fireproofing extinguishing materials, it is characterized in that, in aqueous solvent, triphenyl phosphite and the 4%-10% white glue with vinyl continuation reaction of 4%-10% after reactive polymeric, is added by 2%-6% polyvinyl alcohol and 1%-5% phosphoric acid, 1%-5% urea, the inorganic aggregates adding 15%-25% is more fully uniformly mixed and finally obtains product, described inorganic aggregates is by any combination of one or more in French chalk, kaolin, mica powder, and each component above is the percentage of oeverall quality.
2. according to a kind of coal mining spraying class fireproofing extinguishing materials of claim 1, it is characterized in that, the composition of material used is: the polyvinyl alcohol of 4%-5%, the phosphoric acid of 4%-5%, the urea of 4%-5%, the white glue with vinyl of 5%-7%, the triphenyl phosphite of 7%-8%, the inorganic aggregates of 18%-20% and tap water.
3. a preparation method for coal mining spraying class fireproofing extinguishing materials, is characterized in that, comprise the following steps:
A) under water-bath, 2%-6% polyvinyl alcohol is joined abundant stirring and dissolving in aqueous solvent, temperature controls at 70-100 DEG C, stirs 2-5h;
B) by joining in the solution of a) step gained after 1%-5% phosphoric acid and 1%-5% urea mixed dissolution, react at 80-100 DEG C of temperature, reaction time 2-5h;
C) after reacting completely, the triphenyl phosphite adding 4%-10% fully stirs 1h, and temperature controls at 80-100 DEG C;
D) add 4%-10% white glue with vinyl fully to stir, control temperature at 40-60 DEG C, until stir;
E) at room temperature, the inorganic aggregates of 15%-25% is joined in the solution obtained and fully stirs, stir and obtain product.
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| CN201310303696.0A CN103388485B (en) | 2013-07-18 | 2013-07-18 | A kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof |
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| CN201310303696.0A CN103388485B (en) | 2013-07-18 | 2013-07-18 | A kind of coal mining spraying class fireproofing extinguishing materials and preparation method thereof |
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| CN103388485B true CN103388485B (en) | 2015-10-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104151952B (en) * | 2013-12-19 | 2017-05-03 | 山东科技大学 | Coal mine gangue hill anti-explosion stopping agent and treatment and early warning system |
| CN104763460B (en) * | 2015-03-02 | 2017-08-25 | 西安科技大学 | Leak out isolated material and the construction method of a kind of coal mine gob fire extinguishing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781497A (en) * | 2009-12-19 | 2010-07-21 | 山西潞安环保能源开发股份有限公司 | Underground gas plugging coating in coal mine |
| CN102966369A (en) * | 2012-12-10 | 2013-03-13 | 中国矿业大学 | Composite stopping agent preventing coal spontaneous combustion based on low-temperature oxidation mechanism of coal |
| CN103159439A (en) * | 2011-12-16 | 2013-06-19 | 山东固安特工程材料有限公司 | Spray-coating sealing material for coal rock mass |
| CN103205171A (en) * | 2013-03-20 | 2013-07-17 | 北京工业大学 | Spraying fire control material for coal mine, and production method thereof |
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2013
- 2013-07-18 CN CN201310303696.0A patent/CN103388485B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781497A (en) * | 2009-12-19 | 2010-07-21 | 山西潞安环保能源开发股份有限公司 | Underground gas plugging coating in coal mine |
| CN103159439A (en) * | 2011-12-16 | 2013-06-19 | 山东固安特工程材料有限公司 | Spray-coating sealing material for coal rock mass |
| CN102966369A (en) * | 2012-12-10 | 2013-03-13 | 中国矿业大学 | Composite stopping agent preventing coal spontaneous combustion based on low-temperature oxidation mechanism of coal |
| CN103205171A (en) * | 2013-03-20 | 2013-07-17 | 北京工业大学 | Spraying fire control material for coal mine, and production method thereof |
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