CN107952202A - A kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder - Google Patents

A kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder Download PDF

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Publication number
CN107952202A
CN107952202A CN201711252552.1A CN201711252552A CN107952202A CN 107952202 A CN107952202 A CN 107952202A CN 201711252552 A CN201711252552 A CN 201711252552A CN 107952202 A CN107952202 A CN 107952202A
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China
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fire
retardant
mixture
parts
granulate mixture
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CN201711252552.1A
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Chinese (zh)
Inventor
李会玲
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Chengdu Jun Hetiancheng Science And Technology Ltd
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Chengdu Jun Hetiancheng Science And Technology Ltd
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Priority to CN201711252552.1A priority Critical patent/CN107952202A/en
Publication of CN107952202A publication Critical patent/CN107952202A/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0007—Solid extinguishing substances
    • A62D1/0014—Powders; Granules
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0064—Gels; Film-forming compositions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Fireproofing Substances (AREA)

Abstract

The invention discloses a kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder, including fire-retardant granulate mixture is put into the step fully air-dried in apparatus for drying；Fire-retardant granulate mixture is put into the step of ball mill carries out ball milling；Foaming agent, stabilizer, fire-retardant granulate mixture are put into the step of being mixed in blender; and solute is put into clear water and is mixed, the mixture for forming the foaming agent, stabilizer and fire-retardant granulate mixture that aqueous solution is added in step S300 forms extinguishing chemical；The step of extinguishing chemical of acquisition is contained in compression resistanted container and applies 1.8 2.3 atmospheric pressure storages.The present invention is by adding the ball milling step of fire-retardant granulate mixture; the element diameter of fire-retardant granulate mixture is substantially diminished; the body surface that catches fire can be more uniformly adhered to; the foam that foaming agent produces is coordinated rapidly to form the film of one layer of isolation, quick extinguishing in the environment of high temperature sintering.

Description

A kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder
Technical field
The present invention relates to fire-fighting quipment field, the extinguishing chemical field more particularly, to put out a fire, is a kind of base specifically In the preparation method of the fire-extinguishing composite of phosphoric acid dry powder.
Background technology
Fire extinguisher is a kind of portable Fire extinguisher.Chemical substance is placed in fire extinguisher, to rescue fire extinguishing calamity.Fire extinguisher is One of common fireproofing installation, is stored in public place or the place of fire may occur, filling in different types of fire extinguisher Component it is different, be to aim at different fire alarms and set.It must be noted that during use in order to avoid producing minus effect and causing danger.
Existing extinguishing chemical mainly has two kinds of a foam and dry powder, and two kinds of extinguishing chemicals respectively have a quality, going out in dry powder extinguisher Melamine salt is filled in fiery agent to be used to put out a fire dry and be easy to flow attritive powder by tool fire extinguishing effectiveness machine salt a small amount of additive warp Dry, crushing, the fire-fighting of mixing micro-solid powder group kind extensively using extinguishing chemical and are mainly used for fire extinguisher except metal fire of putting out a fire to save life and property BC dry powder fire extinguishing agents (sodium acid carbonate) ABC dry powder (melamine salt) two class as the outer dry powder fire extinguishing agent of the special dry powdered extinguishing chemical of calamity Free radical is produced with burning journey fuel or property group hairization suppresses negative catalyst and makes pyric chain by dry powder machine salt volatility solution thing The disconnected fire extinguishing of reaction；Two by dry powder powder fall the reaction of combustion things surface outgoingization and the glassy coating isolating oxygen of high temperature action shape layer into The another external dilution oxygen of fire smothering, plays certain cooling effect.Fire foam is a kind of small volume, and surface is by liquid bag The bubble population enclosed, proportion is between 0.001~0.5.Since the proportion of foam is far smaller than the proportion of general flammable liquid, thus The surface of liquid can be floated on, forms a foam blanket.Meanwhile foam has certain viscosity again, can be adhered to The surface of general flammable solid.The foam blanket that fire foam is formed on comburant surface, can make comburant surface and air Isolation.
The prior art：Chinese invention patent application, application number：201210236483.6 Publication No.：102772877A, A kind of extinguishing chemical is disclosed, the extinguishing chemical is made of the raw material of following each component：0.1-0.2 parts of organic silicone oil, carbamide 2-3 Part, 3.5-4.5 parts of ammonium phosphate, 6.1-6.2 parts of potassium hyperchlorate, 32-35 parts of concentrated latex, 11-12 parts of water.The fire extinguishing of the present invention Agent, can make up the deficiency of general extinguishing chemical, and cost of manufacture is relatively low, and raw material is easy to get, and the making raw material of extinguishing chemical is harmless, Do not pollute, securely and reliably.
Different due to occurring the condition of a disaster of fire in actual life, the fire that different materials occurs not only wants specific aim Selection fire-extinguishing apparatus, more it is noted that selection extinguishing chemical, so could more preferably, faster, safer stamps out a fire.Therefore, carry Prepare that above-mentioned fire-fighting safety is reliable for one kind, the method meaning of efficient extinguishing chemical is extremely important.
The content of the invention
It is an object of the invention to provide a kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder, existing skill is solved The problem of dry powder extinguisher in art is not easy to put out oiliness fire and relatively low fire foam fire-fighting efficiency.
The present invention is achieved through the following technical solutions：
A kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder, including following preparation process：
Step S100：Fire-retardant granulate mixture is put into apparatus for drying and is fully air-dried, and is spaced 28-40 minutes to fire-retardant Granulate mixture carries out processing of weighing, when air-dry before and air-dry after quality difference be less than 2% when, stop air-dry, and will air-dry after Fire-retardant granulate mixture pour out, contain.
Step S200：It is small that the fire-retardant granulate mixture air-dried by step S100 is put into ball mill progress ball milling 48-68 When, then the fire-retardant granulate mixture by the complete refinement of ball milling is toppled over, and is saved backup.
Step S300：Take the foaming agent of 9-12 mass parts, the stabilizer of 6-9 mass parts, the fire-retardant particle of 28-35 mass parts Mixture is put into blender and is mixed.
Step S400：It is ammonium chloride by solute, one or more mixing in sodium sulphate, melamine, potassium acid sulfate Thing is put into clear water and mixes, and forms the foaming agent, stabilizer and fire-retardant granulate mixture in aqueous solution addition step S300 Mixture formed extinguishing chemical.
Step S500：The extinguishing chemical obtained in step S400 is contained in compression resistanted container and applies 1.8-2.3 air Pressure is in store for.
Preferably, the fire-retardant granulate mixture in the step S100 is sodium bicarbonate powder, iron oxide particles, phosphoric acid does One or more mixture in powder, Amino group powder, TiO 2 particles.
Preferably, the constituent mass content of sodium bicarbonate powder is respectively 18%-20% in the fire-retardant granulate mixture, oxygen It is respectively 28%-35% to change iron particle, phosphoric acid dry powder, the constituent content of Amino group powder, remaining is TiO 2 particles.
Preferably, foaming agent is plant protein hydrolysate or alum in the step S300；The stabilizer is polyaluminium Iron.
Preferably, aqueous solution is made of the water of 60%-65% mass and the solute of 35%-40% in the step S400, and institute Stating a constituent mass percentage composition in solute is respectively：Ammonium chloride is 22%-30%, sodium sulphate 32%-44%, and melamine is 7%-10%, remaining is potassium acid sulfate.
Preferably, the mass parts of the foaming agent are 7 parts, and the mass parts of stabilizer are 6 parts, the matter of fire-retardant granulate mixture It is 40 parts to measure part, remaining is the mixture of aqueous solution, and the solute of the aqueous solution is ammonium chloride and sodium sulphate with 1：1 ratio is mixed The mixture of conjunction.
Preferably, the mass parts of the foaming agent are 6 parts, and the mass parts of stabilizer are 5 parts, the matter of fire-retardant granulate mixture It is 35 parts to measure part, remaining is the mixture of aqueous solution, and the solute of the aqueous solution is ammonium chloride and potassium acid sulfate with 2：1 ratio The mixture of mixing.
According to the method described above, the present invention provides the preferred solution of extinguishing chemical component and content.
A kind of fire-extinguishing composite based on phosphoric acid dry powder, by the foaming agent of 9-12 mass parts, 6-9 mass parts stabilizer, The fire-retardant granulate mixture of 28-35 mass parts, remaining is the mixture of aqueous solution composition, and the foaming agent is plant protein hydrolysate Or alum；The stabilizer is poly-ferric chloride, and the fire-retardant granulate mixture is sodium bicarbonate powder, iron oxide particles, phosphorus One or more mixture in sour dry powder, Amino group powder, TiO 2 particles；The solvent of the aqueous solution is water, and solute is One or more mixtures in ammonium chloride, sodium sulphate, melamine, potassium acid sulfate, the mass parts of the foaming agent are 7 Part, the mass parts of stabilizer are 6 parts, and the mass parts of fire-retardant granulate mixture are 40 parts, remaining is the mixture of aqueous solution, described The solute of aqueous solution is ammonium chloride and sodium sulphate with 1：The mixture of 1 ratio mixing；The mass parts of the foaming agent are 6 parts, The mass parts of stabilizer are 5 parts, and the mass parts of fire-retardant granulate mixture are 35 parts, remaining is the mixture of aqueous solution, the water The solute of solution is ammonium chloride and potassium acid sulfate with 2：The mixture of 1 ratio mixing.
Yet further, the mass parts of the foaming agent are 5 parts, and the mass parts of stabilizer are 4 parts, fire-retardant granulate mixture Mass parts be 32 parts, remaining is the mixture of aqueous solution, and the solute of the aqueous solution is ammonium chloride and sodium sulphate with 1：3 ratio The mixture of example mixing.
It is further preferred that the mass parts of the foaming agent are 8 parts, the mass parts of stabilizer are 7 parts, fire-retardant particle mixing The mass parts of thing are 38 parts, remaining is the mixture of aqueous solution, and the solute of the aqueous solution is ammonium chloride and potassium acid sulfate with 5：2 Ratio mixing mixture.
Compared with prior art, the present invention haing the following advantages and beneficial effect：
（1）The present invention is by adding the ball milling step of fire-retardant granulate mixture, by the element diameter of fire-retardant granulate mixture Substantially diminish, can more be uniformly adhered to the body surface that catches fire, coordinate the foam that foaming agent produces in the ring of high temperature sintering The film of one layer of isolation can be rapidly formed under border, achievees the purpose that quick extinguishing.
（2）Since the present invention is by the way of aqueous solution is mixed with hydrophobic particle thing, and it is applied with least 1.8 air Pressure, the impact force produced in fire extinguishing procedure and the effective fire-fighting area produced in the unit interval substantially increase relative to the prior art By force, so under the injection of fire extinguisher or other fire extinguishing jet devices, combustible surface can be more uniformly adhered to, more Add and effectively realize that large area is put out a fire.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Preferred embodiment：
A kind of fire-extinguishing composite based on phosphoric acid dry powder, by the foaming agent of 9-12 mass parts, the stabilizer of 6-9 mass parts, 28-35 The fire-retardant granulate mixture of mass parts, remaining is the mixture of aqueous solution composition, and the foaming agent is plant protein hydrolysate or bright Alum；The stabilizer is poly-ferric chloride, and the fire-retardant granulate mixture is sodium bicarbonate powder, iron oxide particles, phosphoric acid are done One or more mixture in powder, Amino group powder, TiO 2 particles；The solvent of the aqueous solution is water, and solute is chlorination One or more mixtures in ammonium, sodium sulphate, melamine, potassium acid sulfate, the mass parts of the foaming agent are 7 parts, surely The mass parts for determining agent are 6 parts, and the mass parts of fire-retardant granulate mixture are 40 parts, remaining is the mixture of aqueous solution, described water-soluble The solute of liquid is ammonium chloride and sodium sulphate with 1：The mixture of 1 ratio mixing；The mass parts of the foaming agent are 6 parts, are stablized The mass parts of agent are 5 parts, and the mass parts of fire-retardant granulate mixture are 35 parts, remaining is the mixture of aqueous solution, the aqueous solution Solute be ammonium chloride and potassium acid sulfate with 2：The mixture of 1 ratio mixing.
Yet further, the mass parts of the foaming agent are 5 parts, and the mass parts of stabilizer are 4 parts, fire-retardant granulate mixture Mass parts be 32 parts, remaining is the mixture of aqueous solution, and the solute of the aqueous solution is ammonium chloride and sodium sulphate with 1：3 ratio The mixture of example mixing.
It is further preferred that the mass parts of the foaming agent are 8 parts, the mass parts of stabilizer are 7 parts, fire-retardant particle mixing The mass parts of thing are 38 parts, remaining is the mixture of aqueous solution, and the solute of the aqueous solution is ammonium chloride and potassium acid sulfate with 5：2 Ratio mixing mixture.
The above, is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention Within the scope of.

Claims (7)

1. a kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder, it is characterised in that including following preparation process：
Step S100：Fire-retardant granulate mixture is put into apparatus for drying and is fully air-dried, and is spaced 28-40 minutes to fire-retardant Granulate mixture carries out processing of weighing, when air-dry before and air-dry after quality difference be less than 2% when, stop air-dry, and will air-dry after Fire-retardant granulate mixture pour out, contain；
Step S200：By the fire-retardant granulate mixture air-dried by step S100 be put into ball mill carry out ball milling 48-68 it is small when, so The fire-retardant granulate mixture by the complete refinement of ball milling is toppled over afterwards, is saved backup；
Step S300：Take the fire-retardant particle mixing of the foaming agent of 9-12 mass parts, the stabilizer of 6-9 mass parts, 28-35 mass parts Thing is put into blender and is mixed；
Step S400：It is ammonium chloride by solute, sodium sulphate, melamine, one or more mixtures in potassium acid sulfate put Enter in clear water and mix, form mixing for the foaming agent, stabilizer and fire-retardant granulate mixture that aqueous solution is added in step S300 Compound forms extinguishing chemical；
Step S500：The extinguishing chemical obtained in step S400 is contained in compression resistanted container and applies 1.8-2.3 atmospheric pressure storage Hide spare.
A kind of 2. preparation method of fire-extinguishing composite based on phosphoric acid dry powder according to claim 1, it is characterised in that institute The fire-retardant granulate mixture stated in step S100 is sodium bicarbonate powder, iron oxide particles, phosphoric acid dry powder, Amino group powder, dioxy Change mixture one or more in titanium particle.
A kind of 3. preparation method of fire-extinguishing composite based on phosphoric acid dry powder according to claim 2, it is characterised in that institute The constituent mass content for stating sodium bicarbonate powder in fire-retardant granulate mixture is respectively 18%-20%, and iron oxide particles, phosphoric acid are done Powder, the constituent content of Amino group powder are respectively 28%-35%, remaining is TiO 2 particles.
A kind of 4. preparation method of fire-extinguishing composite based on phosphoric acid dry powder according to claim 1, it is characterised in that institute It is plant protein hydrolysate or alum to state foaming agent in step S300；The stabilizer is poly-ferric chloride.
A kind of 5. preparation method of fire-extinguishing composite based on phosphoric acid dry powder according to claim 1, it is characterised in that institute Aqueous solution in step S400 is stated to be made of the water of 60%-65% mass and the solute of 35%-40%, and a constituent mass in the solute Percentage composition is respectively：Ammonium chloride is 22%-30%, sodium sulphate 32%-44%, melamine 7%-10%, remaining is sulfuric acid Hydrogen potassium.
A kind of 6. preparation method of fire-extinguishing composite based on phosphoric acid dry powder according to claim 1, it is characterised in that institute The mass parts for stating foaming agent are 7 parts, and the mass parts of stabilizer are 6 parts, and the mass parts of fire-retardant granulate mixture are 40 parts, remaining is The mixture of aqueous solution, the solute of the aqueous solution are ammonium chloride and sodium sulphate with 1：The mixture of 1 ratio mixing.
A kind of 7. preparation method of fire-extinguishing composite based on phosphoric acid dry powder according to claim 1, it is characterised in that institute The mass parts for stating foaming agent are 6 parts, and the mass parts of stabilizer are 5 parts, and the mass parts of fire-retardant granulate mixture are 35 parts, remaining is The mixture of aqueous solution, the solute of the aqueous solution are ammonium chloride and potassium acid sulfate with 2：The mixture of 1 ratio mixing.
CN201711252552.1A 2017-12-01 2017-12-01 A kind of preparation method of the fire-extinguishing composite based on phosphoric acid dry powder Pending CN107952202A (en)

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Application publication date: 20180424