CN104056416B - Flyash network gel foam mud fire-prevention extinguishing agent - Google Patents
Flyash network gel foam mud fire-prevention extinguishing agent Download PDFInfo
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Abstract
A kind of flyash network gel foam mud fire-prevention extinguishing agent of disclosure of the invention, its technical scheme is characterized by, by flame-retardant expanded dose of coal ash compound type, there is the attapulgite potter's clay powder of air purification function, inorfil spraying cotton, flyash, swelling perlite powder, colliery powder, sodium alginate and water form.The dispensing of flyash network gel foam mud fire-prevention extinguishing agent being inputted in plough type batch mixer, high-speed stirred is flyash network gel foam mud fire-prevention extinguishing agent.Network gel foam mud is ejected into the coal seam of burning by inorfil flush coater, be conducive to generating the network gel foam mud film of a kind of globality during fire extinguishing, all the time the surface sticking to ore bed is covered, rapid isolation burning coal layer contacts with air, colliery is stoped to burn away, avoiding coal seam resume combustion, reach fire-retardant and fire extinguishing purpose, flyash network gel foam mud fire-prevention extinguishing agent is applicable to colliery, mine operation district and the fire extinguishing of forest.
Description
Technical field
The present invention relates to fire-prevention extinguishing agent, be specifically related to a kind of flyash network gel foam mud fire-prevention extinguishing agent.
Background technology
Mining exploitation has the advantages such as highly efficient and productive, low consumption, applies at China's a lot of coal production base popularity.But owing to the mining rate of this coal-mining method is big, it is many that residual coal is left in goaf, and height is big, leaks out serious, the series of problems, particularly fire such as insoluble fire, gas, dust often occurs.
Fire foam is divided into chemical foam, air foam, fluoroprotein foam, AFFF and water-resistant foam etc..
China Patent Publication No. CN 102614615A, publication date: on 08 01st, 2012, entitled " a kind of for complex foam extinguishing agent for coal mine ", disclose " a kind of for complex foam extinguishing agent for coal mine; to it is characterized in that: be made up of following raw materials according: major ingredient be concentration be 40%～60% ammonium hydrogen carbonate or sodium bicarbonate aqueous solution and concentrated sulphuric acid; mixing than 2:1～3:1 by Solute mass, adjuvant is stabilizer and foaming agent, and described supplementary product consumption is major ingredient gross weight 0.1%～2% ".
The weak point of above-mentioned patent is: although this extinguishing chemical coefficient of foaming can reach 20～200 times, foam stabilization time >=2.5h, but can only make " noble gas carbon dioxide foaming is at flame range internal diffusion and is full of its space; make oxygen concentration dramatic decrease in flame range; make flame range suffocate because of anoxia " at short notice, can not be truly realized contacting of isolation burning coal layer and air, prevention colliery burns away, avoid coal seam resume combustion, reach fire-retardant and fire extinguishing purpose.With ammonium hydrogen carbonate for the main raw material of extinguishing chemical, fire extinguishing procedure can discharge substantial amounts of ammonia, pollute the air of down-hole, be unfavorable for the health of operator.
Flyash is to receive the flue gas after coal combustion to catch the fine ash got off, flyash is the primary solids refuse that coal-burning power plant discharges, flyash is one of industrial residue that the current discharge capacity of China is bigger, and along with the development of power industry, the flyash discharge capacity of coal-burning power plant increases year by year.Substantial amounts of flyash is untreated, will produce airborne dust, atmosphere pollution；River can be caused to silt up if entering water system, and human body and biology also can be worked the mischief by toxic chemical substance therein.
Gangue is thrown aside, takies tract, the effusion of sulfide in gangue or leach can atmosphere pollution, farmland and water body, hillock also can spontaneous combustion breaking out of fire, or in avalanche in rainy season, silt river up and cause disaster.
Summary of the invention
It is an object of the invention to overcome weak point in prior art, it is provided that a kind of flyash network gel foam mud fire-prevention extinguishing agent.
Flyash network gel foam mud fire-prevention extinguishing agent by flame-retardant expanded dose of coal ash compound type, there is the attapulgite potter's clay powder of air purification function, inorfil spraying cotton, flyash, colliery powder, swelling perlite powder, sodium alginate and water form.
The production method of flyash network gel foam mud fire-prevention extinguishing agent: the dispensing of flyash network gel foam mud fire-prevention extinguishing agent being inputted in plough type batch mixer, high-speed stirred is flyash network gel foam mud fire-prevention extinguishing agent.
Fly ash grain is porous type cellular tissue, and specific surface area is relatively big, has higher adsorption activity, and the particle size range of granule is 0.5～300 μm.And Zhu Bi has loose structure, porosity is up to 50%～80%, has the strongest water absorption.
Have that the attapulgite potter's clay powder of air purification function is glued attapulgite clay by height, attapulite constant humidity amendment, natural-minerals adsorptive filter medium, Cacumen Platycladi, aluminium silicate fiber peacekeeping polyacrylamide form；There is preferable caking property, plasticity, thixotropy, fire resistance and heat stability；Can effectively adsorb the healthy of the harmful substances such as formaldehyde in air, ammonia and benzene, protection environment and enhancement people.
High viscous attapulgite clay is the attapulgite clay that the processing technique using and improving viscosity of attapulgite clay produces, attapulgite clay is after dispensing stirs, input grinding machine carries out pulverizing for the viscous attapulgite clay powder of height, fineness of the particles≤0.074 millimeter.
High viscous attapulgite clay soil property is fine and smooth, has oily soapy, and light weight, property are crisp, fracture is conchoidal or irregular shape, and water absorption is strong, has viscosity and plasticity time wet, viscosity >=2200mPa the s of high viscous attapulgite clay powder, adhesive force is good, beneficially the bonding between raw material.
Hydrogen peroxide is commonly called as hydrogen peroxide, and outward appearance is colourless transparent liquid, is a kind of strong oxidizer, and the present invention selects mass fraction >=35% of industrial hydrogen peroxide.Substantial amounts of bubble can be generated after mixing with dispensings such as fine coal ashes and the attapulgite potter's clay powder with air purification function.
Aluminium hydroxide can not only be fire-retardant as fire retardant, and be possible to prevent to be fuming, do not produce droppings, do not produce toxic gas.
Polyoxyethylenated alcohol sodium sulfate is soluble in water, has excellent decontamination, emulsifying, foam performance and hard water resistance performance, is a kind of anion surfactant.
Micronized polyethylene alcohol powder is a kind of white, powdery, stable, nontoxic high molecular weight water soluble polymer, and energy rapid solution, in normal-temperature water, forms stable colloid, and water is the solvent that polyvinyl alcohol is good.Polyvinyl alcohol has good film of making, and the film of formation has the adhesion of excellence, solvent resistance, rub resistance, tensile strength and oxygen barrier performance, it is possible to increase the viscosity of foam, there is certain foam stabilizing effect, and the product bulk strength using flame-retardant expanded dose of coal ash compound type to produce can be improved.
Dimethicone surface tension is little, water insoluble, chemical stability is good, nontoxic, it is a kind of defoamer and remover, for eliminating the invalid bubble generated in foaming process, improve the make rate of abscess, quick demoulding and prevent the mould that collapses when also helping cast foamed materials, carries out flame-retarding fire-extinguishing for fire-extinguishing location, can be without dimethicone.
Inorfil spraying cotton is that to utilize industrial waste slag (blast-furnace cinder or Copper Slag, aluminium ore slag etc.) be primary raw material, through fusing, uses the staple shape inorfil that the technique such as supercentrifugal process or blowing process makes.It has light weight, the feature such as heat conductivity is little, do not burn, mothproof, inexpensive, corrosion-resistant, chemical stability is good and sound absorbing capabilities is good.
Gangue is the solid waste of discharge during coal mining process and coal washing, the present invention uses gangue can increase the content of flyash network gel foam mud fire-prevention extinguishing agent aluminium oxide, improve the surface strength of network gel foam mud film, the present invention selects the colliery powder after pulverizing, fineness of the particles≤0.074 millimeter of colliery powder.
The fired expansion of perlite and become a kind of lightweight, multifunctional novel shaped material.Have that apparent density is light, heat conductivity is low, chemical stability is good, use that temperature range is wide, wettability power is little, and the feature such as nontoxic, tasteless, fire prevention, sound-absorbing.The present invention selects the swelling perlite powder after pulverizing, fineness of the particles≤0.074 millimeter of swelling perlite powder.
Sodium alginate is white or light tan powder, ratio can be dissolved in water arbitrarily, forms the thick water solution of good fluidity, beneficially flyash network gel foam mud fire-prevention extinguishing agent and quickly forms gelinite and strengthen the ability of its film forming.
The technical scheme is that:
1, the dispensing of flyash network gel foam mud fire-prevention extinguishing agent is made up of following component by weight percentage: coal ash compound type flame-retardant expanded dose 5～55%, the cotton mixture of inorfil spraying 5～35% and water 20～90%.
The production method of flyash network gel foam mud fire-prevention extinguishing agent: the dispensing of flyash network gel foam mud fire-prevention extinguishing agent is inputted in plough type batch mixer, high-speed stirred is flyash network gel foam mud fire-prevention extinguishing agent, the speed controlling of plough type batch mixer is at 2400～2800 revs/min, and mixing time controlled at 2～20 minutes.
2, flame-retardant expanded dose of dispensing of coal ash compound type is made up of following component by weight percentage: flame-retardant expanded dose of paste of coal ash compound type 5～75%, hydrogen peroxide 1～35%, dimethicone 0～5% and water 1～85%.
The production method that coal ash compound type is flame-retardant expanded dose: will be stirred in flame-retardant expanded for coal ash compound type dose of dispensing input homogenizer, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 1～30 minute, for flame-retardant expanded dose of coal ash compound type after stirring, containing the most stable intensive bubble in flame-retardant expanded dose of coal ash compound type.
Flame-retardant expanded dose of paste dispensing of coal ash compound type is made up of following component by weight percentage: flyash 15～55%, there is the attapulgite potter's clay powder 5 of air purification function～45%, aluminium hydroxide 1～35%, polyoxyethylenated alcohol sodium sulfate 0.01～15%, micronized polyethylene alcohol powder 0.01～5% and water 5～55%.
The production method of flame-retardant expanded dose of paste of coal ash compound type: will stir in flame-retardant expanded for coal ash compound type dose of paste dispensing input low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 1～20 minute, for flame-retardant expanded dose of paste of coal ash compound type after stirring, flame-retardant expanded dose of paste of coal ash compound type produces part bubble.
Flame-retardant expanded dose of coal ash compound type is to use by " flame-retardant expanded dose of coal ash compound type " filed in the present inventor on 06 12nd, 2013, and China Patent Publication No. is: CN
103274755 A, publication date: on 09 04th, 2013.
3, the dispensing of the cotton mixture of inorfil spraying is made up of following component by weight percentage: inorfil spraying cotton 5～45%, flyash 5～45%, colliery powder 5～35%, swelling perlite powder 2～25% and sodium alginate 0.01～5%.
The production method of the cotton mixture of inorfil spraying: by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the cotton mixture of inorfil spraying, the speed controlling of plough type batch mixer is at 800～1000 revs/min, and mixing time controlled at 2～20 minutes.
The dispensing of the attapulgite potter's clay powder 4, with air purification function is made up of following component by weight percentage: high viscous attapulgite clay 35～60%, attapulite constant humidity amendment 10～35%, natural-minerals adsorptive filter medium 5～20%, Cacumen Platycladi 2～15%, alumina silicate fibre 1～5% and polyacrylamide 0.1～3%；There is the production method of the attapulgite potter's clay powder of air purification function: inputting in pulverizer after (1) the dispensing with the attapulgite potter's clay powder of air purification function being mixed and pulverize, the compound particles fineness after pulverizing is less than 0.5 millimeter；(2) being added by pulverulent mixture and soak in old pond that to carry out soaking old process with water be semi-finished product, soaking the old time controlled at 7～30 days；(3) being inputted by semi-finished product and be squeezed into cylindrical bar in vacuum-extruder, the diameter control of cylindrical bar is at 2～10 millimeters；(4) cylinder bar being input to cement threshing ground and carry out dry in the sun, the cylindrical bar water content after dry in the sun is less than 15%；(5) the cylindrical bar after dry in the sun inputs in grinding machine to carry out pulverizing be powder, and the fineness of the particles of powder is less than 0.074 millimeter, and PCm is weight percentage.
Having the attapulgite potter's clay powder of air purification function is to use by " having the attapulgite potter's clay powder of air purification function " filed in 25 days February in 2011 of the present inventor, and Chinese patent Authorization Notice No. is: CN
102173743 B, authorized announcement date: on July 25th, 2012.
High viscous attapulgite clay is the attapulgite clay that the processing technique using and improving viscosity of attapulgite clay produces, it is characterised in that from the attapulgite clay of mining area exploitation, need the weathering through 30～120 days；Modification processing method is: calculated in weight percent, takes the attapulgite clay after weathering 94～98%, is uniformly added into 2～6% sodium carbonate, in common input fermentation vat, adds clear water and carry out soaking ageing, and soak time is 72～120 hours；Take the attapulgite clay after immersion, input blender is stirred, and by the attapulgite clay after stirring, being extruded into thin slice through extruder, its THICKNESS CONTROL is at 0.5～2 millimeter, by attapulgite clay thin slice, carry out dry in the sun, the attapulgite clay thin slice after dry in the sun, its water content≤15%；Dispensing is calculated in weight percent: attapulgite clay after dry in the sun 94～98%, High hydrophilous resin 0.5～5% and cellulose 0.5～3%, above-mentioned dispensing is stirred, inputting in grinding machine after stirring and carry out pulverizing, fineness of the particles≤0.074 millimeter, PCm is weight percentage.
Above-mentioned production technology is to use " to be improved the processing technique of viscosity of attapulgite clay " by filed in 20 days June in 2005 of the present inventor, and Chinese patent Authorization Notice No. is: CN
1317067C, authorized announcement date: on May 23rd, 2007.
The detection method of high viscous attapulgite clay: take 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, again by the beaker pouring 250mL through high-speed stirred sample suspension into, using NDJ-1 type rotating cylinder viscometer to carry out testing the viscosity of suspension, tested viscosity value >=2200 mPa s is high viscous attapulgite clay.
The present invention selects mass fraction >=35% of industrial hydrogen peroxide, takes production scene to add water and adjusts the dispensing percentage ratio of industrial hydrogen peroxide, advantageously reduce freight and production cost, improves the foaming quality of product.
First by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the inorfil cotton mixture of spraying, be conducive to by cotton for inorfil spraying with flyash, colliery powder, swelling perlite powder and the uniform shredding of sodium alginate, broken, stirring be mixed into one.
Although flame-retardant expanded dose of coal ash compound type is after flame-retarding fire-extinguishing scene adds water high-speed stirred, can quickly discharge substantial amounts of gas, form cavernous foam mud, may be used for flame-retarding fire-extinguishing, but use merely flame-retardant expanded dose of coal ash compound type, may be only available for general fire-retardant on ground and fire extinguishing, and have its particularity for the material of fire extinguishing in colliery, require that fire-prevention extinguishing agent has preferable mobility, permeability, thixotropy and adhesion property, not only can put out a fire in colliery, also there is contacting of rapidly isolation burning coal layer and air, colliery is stoped to burn away, avoid the function of coal seam resume combustion.
The present invention is constituted a kind of Novel coal ash network gel foam mud fire-prevention extinguishing agent by after flame-retardant expanded dose of coal ash compound type and the cotton design of mixture of inorfil spraying, can quickly form the network gel foam mud of a kind of sticky porous.
Network gel foam mud is ejected into the coal seam of burning by inorfil flush coater, be conducive to generating the network gel foam mud film of a kind of globality during fire extinguishing, this network gel foam mud film is a kind of flexible thin film, the shape of thin film can be changed along with the displacement of ore bed, it is filled between float coal and the rock crevice of inbreak, blocking the passage that leaks out, minimizing is leaked out.
Network gel foam mud film covers the surface sticking to ore bed all the time, rapid isolation burning coal layer contacts with air, colliery is stoped to burn away, avoid coal seam resume combustion, reach fire-retardant and fire extinguishing purpose, and the pollution of harmful gas can be reduced, network gel foam mud film covers will not produce a large amount of water vapour on the surface of ore bed, there is not water gas blast and danger that water vapour is hurted sb.'s feelings.
During fire extinguishing, the at high temperature slow dehydration of network gel foam mud film produces steam, absorbs big calorimetric, it is thus possible to effectively reduce the temperature within coal seam, network gel foam mud film can keep certain wettability for a long time, prevent coal seam resume combustion；When after the network gel slow dehydration of foam mud film, spray water can be sprayed in network gel foam mud film surface in the past, in network gel foam mud film, High hydrophilous resin and cellulose water suction continue to expand, recovering and strengthen the fire extinguishing effect of network gel foam mud film, the effect of fire extinguishing will be more than more than 24 hours.
There is the raw materials such as the bentonite after the zeolite after the rice hulls after the attapulgite potter's clay powder of air purification function is glued attapulgite clay, quick dissolved sodium silicate, zeolite powder, acidifying by height, acidifying, attapulgite clay after the acidify, acidifying, the kieselguhr after acidifying, volcanic rock, alumine, Cacumen Platycladi, aluminium silicate fiber peacekeeping polyacrylamide form；There is preferable caking property, plasticity, thixotropy, fire resistance and heat stability, can effectively adsorb the healthy of harmful substance in air, protection environment and enhancement people.
The gas that flyash network gel foam mud fire-prevention extinguishing agent produces in foaming process is lighter than gel foam mud; have a certain amount of gas ionization on gel foam mud film upper strata; coal seam resume combustion below gel foam mud film will not be had a negative impact, and the oxygen contained in gas can help to protect, and miner or fire fighter's is healthy.
Flyash network gel foam mud fire-prevention extinguishing agent is the fire-retardant fireproofing extinguishing materials of a kind of high-quality, during carrying out fire extinguishing, do not produce carburization zone and flue gas, inorfil spraying cotton fiber in network gel foam mud film interweaves with other dispensing and is bonded as one, form the dimensional network structure with some strength and toughness, remain the integrity of network gel foam mud film, improve the efficiency of fire extinguishing.
Flyash network gel foam mud fire-prevention extinguishing agent is utilized to carry out fire extinguishing, technique is simple, equipment needed thereby is few, nontoxic, free from environmental pollution, there is preferable mobility, permeability, thixotropy and adhesion property, be conducive to freely burning fire and leak out serious mine scene application, not only can the most fire-retardant and fire extinguishing, also have adsorption cleaning air, reduce the function of mine environment pollution, meet coal mine underground coal bed preventing and treating spontaneous combustion and the requirement of fire, put out a fire fast and effectively and prevent coal seam resume combustion in time, it is ensured that mine safety.
Flyash network gel foam mud fire-prevention extinguishing agent, with flyash as primary raw material, not only contributes to improve resource utilization, turns waste into wealth, moreover it is possible to reduces land occupation, protection and environment purification, saves the energy, reduces production cost, increase economic efficiency.
Flyash network gel foam mud fire-prevention extinguishing agent is applicable to colliery, other mine operation district and the fire extinguishing of forest.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
1, the dispensing of flyash network gel foam mud fire-prevention extinguishing agent is made up of following component by weight percentage: the cotton mixture 21% of coal ash compound type flame-retardant expanded dose 25%, inorfil spraying and water 54%.
The production method of flyash network gel foam mud fire-prevention extinguishing agent: the dispensing of flyash network gel foam mud fire-prevention extinguishing agent is inputted in plough type batch mixer, high-speed stirred is flyash network gel foam mud fire-prevention extinguishing agent, the speed controlling of plough type batch mixer is at 2400～2800 revs/min, and mixing time controlled at 10 minutes.
2, flame-retardant expanded dose of dispensing of coal ash compound type is made up of following component by weight percentage: flame-retardant expanded dose of paste 40% of coal ash compound type, hydrogen peroxide 8%, dimethicone 0% and water 52%.
The production method that coal ash compound type is flame-retardant expanded dose: will be stirred in flame-retardant expanded for coal ash compound type dose of dispensing input homogenizer, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 8 minutes, for flame-retardant expanded dose of coal ash compound type after stirring.
Flame-retardant expanded dose of paste dispensing of coal ash compound type is made up of following component by weight percentage: flyash 34%, have the attapulgite potter's clay powder 16% of air purification function, magnesium hydroxide 6%, polyoxyethylenated alcohol sodium sulfate 2%, micronized polyethylene alcohol powder 0.5% and water 41.5%.
The production method of flame-retardant expanded dose of paste of coal ash compound type: will stir in flame-retardant expanded for coal ash compound type dose of paste dispensing input low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 1～2 minute, for flame-retardant expanded dose of paste of coal ash compound type after stirring.
3, the dispensing of the cotton mixture of inorfil spraying is made up of following component by weight percentage: inorfil spraying cotton 38%, flyash 32%, colliery powder 24%, swelling perlite powder 5% and sodium alginate 1%.
The production method of the cotton mixture of inorfil spraying: by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the cotton mixture of inorfil spraying, the speed controlling of plough type batch mixer is at 800～1000 revs/min, and mixing time controlled at 10 minutes.
Claims (4)
1. a flyash network gel foam mud fire-prevention extinguishing agent, it is characterized in that, the dispensing of flyash network gel foam mud fire-prevention extinguishing agent is made up of following component by weight percentage: coal ash compound type flame-retardant expanded dose 5～55%, the cotton mixture of inorfil spraying 5～35% and water 20～90%；
Flame-retardant expanded dose of dispensing of described coal ash compound type is made up of following component by weight percentage: flame-retardant expanded dose of paste of coal ash compound type 5～75%, hydrogen peroxide 1～35%, dimethicone 0～5% and water 1～85%；The production method that coal ash compound type is flame-retardant expanded dose: will be stirred in flame-retardant expanded for coal ash compound type dose of dispensing input homogenizer, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 1～30 minute, for flame-retardant expanded dose of coal ash compound type after stirring；
Flame-retardant expanded dose of paste dispensing of coal ash compound type is made up of following component by weight percentage: flyash 15～55%, there is the attapulgite potter's clay powder 5 of air purification function～45%, aluminium hydroxide 1～35%, polyoxyethylenated alcohol sodium sulfate 0.01～15%, micronized polyethylene alcohol powder 0.01～5% and water 5～55%；The production method of flame-retardant expanded dose of paste of coal ash compound type: will stir in flame-retardant expanded for coal ash compound type dose of paste dispensing input low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 1～20 minute, for flame-retardant expanded dose of paste of coal ash compound type after stirring；
The dispensing of the cotton mixture of described inorfil spraying is made up of following component by weight percentage: inorfil spraying cotton 5～45%, flyash 5～45%, colliery powder 5～35%, swelling perlite powder 2～25% and sodium alginate 0.01～5%；The production method of the cotton mixture of inorfil spraying: by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the cotton mixture of inorfil spraying, the speed controlling of plough type batch mixer is at 800～1000 revs/min, and mixing time controlled at 2～20 minutes.
The production method of flyash network gel foam mud fire-prevention extinguishing agent the most according to claim 1, it is characterized in that, the dispensing of flyash network gel foam mud fire-prevention extinguishing agent is inputted in plough type batch mixer, high-speed stirred is flyash network gel foam mud fire-prevention extinguishing agent, the speed controlling of plough type batch mixer is at 2400～2800 revs/min, and mixing time controlled at 2～20 minutes.
Flyash network gel foam mud fire-prevention extinguishing agent the most according to claim 1, it is characterized in that, the dispensing of the attapulgite potter's clay powder with air purification function is made up of following component by weight percentage, high viscous attapulgite clay 35～60%, attapulite constant humidity amendment 10～35%, natural-minerals adsorptive filter medium 5～20%, Cacumen Platycladi 2～15%, alumina silicate fibre 1～5% and polyacrylamide 0.1～3%；There is the production method of the attapulgite potter's clay powder of air purification function: inputting in pulverizer after (1) the dispensing with the attapulgite potter's clay powder of air purification function being mixed and pulverize, the compound particles fineness after pulverizing is less than 0.5 millimeter；(2) being added by pulverulent mixture and soak in old pond that to carry out soaking old process with water be semi-finished product, soaking the old time controlled at 7～30 days；(3) being inputted by semi-finished product and be squeezed into cylindrical bar in vacuum-extruder, the diameter control of cylindrical bar is at 2～10 millimeters；(4) cylinder bar being input to cement threshing ground and carry out dry in the sun, the cylindrical bar water content after dry in the sun is less than 15%；(5) the cylindrical bar after dry in the sun inputs in grinding machine to carry out pulverizing be powder, and the fineness of the particles of powder is less than 0.074 millimeter；
High viscous attapulgite clay is the attapulgite clay that the processing technique using and improving viscosity of attapulgite clay produces, it is characterised in that from the attapulgite clay of mining area exploitation, need the weathering through 30～120 days；Modification processing method is: calculated in weight percent, takes the attapulgite clay after weathering 94～98%, is uniformly added into 2～6% sodium carbonate, in common input fermentation vat, adds clear water and carry out soaking ageing, and soak time is 72～120 hours；Take the attapulgite clay after immersion, input blender is stirred, and by the attapulgite clay after stirring, being extruded into thin slice through extruder, its THICKNESS CONTROL is at 0.5～2 millimeter, by attapulgite clay thin slice, carry out dry in the sun, the attapulgite clay thin slice after dry in the sun, its water content≤15%；Dispensing is calculated in weight percent: attapulgite clay after dry in the sun 94～98%, High hydrophilous resin 0.5～5% and cellulose 0.5～3%, above-mentioned dispensing is stirred, inputs in grinding machine and carry out pulverizing, fineness of the particles≤0.074 millimeter after stirring；
The detection method of attapulgite clay, take 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water, suspension cup is placed on homogenizer, stirs 20 minutes under the rotating speed of 11000 revs/min, then by the beaker pouring 250mL through high-speed stirred sample suspension into, using NDJ-1 type rotating cylinder viscometer to carry out testing the viscosity of suspension, tested viscosity value >=2200 mPa s is high viscous attapulgite clay.
Flyash network gel foam mud fire-prevention extinguishing agent the most according to claim 1, it is characterised in that fineness of the particles≤0.074 millimeter of colliery powder, fineness of the particles≤0.074 millimeter of swelling perlite powder.
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|---|---|---|---|---|
| CN1640511A (en) * | 2004-01-08 | 2005-07-20 | 马利华 | Thick liquid efficient fire extinguishing agent |
| CN102114316A (en) * | 2010-12-22 | 2011-07-06 | 北京林丰源生态科技有限公司 | Fire proofing and extinguishing agent composite for mine and preparation and use method thereof |
| CN102614615A (en) * | 2012-03-14 | 2012-08-01 | 抚顺正工矿业科技发展有限公司 | Complex foam extinguishing agent for coal mine |
| CN103274755A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Coal ash composite type flame-retardant foaming agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2824514B2 (en) * | 1988-10-31 | 1998-11-11 | 森田ポンプ株式会社 | Fire extinguishing method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640511A (en) * | 2004-01-08 | 2005-07-20 | 马利华 | Thick liquid efficient fire extinguishing agent |
| CN102114316A (en) * | 2010-12-22 | 2011-07-06 | 北京林丰源生态科技有限公司 | Fire proofing and extinguishing agent composite for mine and preparation and use method thereof |
| CN102614615A (en) * | 2012-03-14 | 2012-08-01 | 抚顺正工矿业科技发展有限公司 | Complex foam extinguishing agent for coal mine |
| CN103274755A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Coal ash composite type flame-retardant foaming agent |
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