CN107537128B - A kind of hot aerosol type fire-extinguishing composite and preparation method thereof - Google Patents
A kind of hot aerosol type fire-extinguishing composite and preparation method thereof Download PDFInfo
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- CN107537128B CN107537128B CN201710905111.0A CN201710905111A CN107537128B CN 107537128 B CN107537128 B CN 107537128B CN 201710905111 A CN201710905111 A CN 201710905111A CN 107537128 B CN107537128 B CN 107537128B
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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
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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
- A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
Abstract
The invention discloses a kind of hot aerosol type fire-extinguishing composites and preparation method thereof, include according to parts by weight percentage：25.7%~37.6% calcium metaphosphate, 10.4%~22.1% calcium pyrophosphate, 5.2%~18.1% lactose, 0.9%~3.5% carbon dust, 1.3%~4.9% nanometer carboxymethyl cellulose, 12.5%~28.6% basic magnesium carbonate, 10.6%~22.8% calcium carbonate, 0.3%~3.7% potassium oxalate and 1.2%~5.6% polyvinyl alcohol；And preparation method thereof.There is apparent synergistic effect between the hot aerosol type fire-extinguishing composite each component of the present invention, so that aerosol extinguishing agent has good extinguishing ability and fire-fighting efficiency on the whole, have many advantages, such as that dosage is few, blow-off velocity is fast, fire-fighting efficiency is high, the fire extinguishing particularly suitable for oils burning things which may cause a fire disaster.
Description
Technical field
The present invention relates to fire extinguishing fields more particularly to a kind of hot aerosol type fire-extinguishing composite and preparation method thereof.
Background technology
Currently, it is common to use extinguishing chemical be broadly divided into following several classes：Water base class extinguishing chemical, gas class extinguishing chemical, powder
Body class extinguishing chemical, aerosol class extinguishing chemical and halon fire agent, all kinds of extinguishing chemical scope of applications are not quite similar, performance indicator
Respectively there is quality, wherein：Halon fire agent has the characteristics that good extinguishing effect, fire-fighting efficiency are high.
But there is the chemical composition of the destruction larger to ozone layer in halon fire agent, since 1987, respectively
State exists《Concerning the Montreal Protocol book for destroying ozone substance》Under limitation, it is phased out the production and use of halon fire agent,
The Chinese government also stops 1211,1301 extinguishing chemicals of production comprehensively from 2010.
Under the background that halon fire agent is eliminated, other class extinguishing chemicals have obtained wider development and application, water base class
The principle of extinguishing chemical mainly reaches fire extinguishing purpose by the cooling of water mists, asphyxia and isolation heat radiation effect；Gas class is gone out
Fiery agent is mainly to achieve the purpose that the fire that suffocates by spraying the oxygen content of inert gas reduction flame range；Powder class extinguishing chemical is main
Principle is to act on down ejecting powder by high pressure gas, consumes the free radical in flame, generation inert gas etc. and reaches fire extinguishing
Purpose.But the presence of hyperbaric environment is required for during these extinguishing chemical uses, cause equipment volume larger, storage uses
Have physical explosion dangerous in the process, in document " safety analysis of gas extinguishing system ", analyzes gas extinguishing system
Danger.
Existing aerosol class extinguishing chemical can be divided mainly into S types and K-type, and this kind of extinguishing chemical mainly utilizes redox reaction
The effects that inert gas of release, free radical, in flame range, is gone out by the chemical reaction of the asphyxia of inert gas, free radical to reach
The purpose of fire.Its deficiency is mainly shown：Redox reaction thermal discharge is big so that aerosol fire-extinguishing device structure spout temperature
Degree is higher；Some aerosol extinguishing agents generation aerosol is less efficient, and the time is long, is unfavorable for controlling initial fire disaster in time.
Therefore, the prior art needs further improvement and develops.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of hot aerosol type fire-extinguishing composite and
Preparation method improves fire-fighting efficiency under the premise of reducing cost.
In order to solve the above technical problems, technical solution of the present invention includes：
A kind of hot aerosol type fire-extinguishing composite includes according to parts by weight percentage：
The hot aerosol type fire-extinguishing composite includes according to parts by weight percentage：
The hot aerosol type fire-extinguishing composite, wherein above-mentioned polyvinyl alcohol makees solvent or diluent dilution using preceding with distilled water,
Wherein, the mass ratio of polyvinyl alcohol and distilled water is 1:9-13.
A method of preparing the hot aerosol type fire-extinguishing composite comprising following steps：
A, above-mentioned raw materials component is weighed respectively in corresponding ratio, and taken material component is used into grinding machine powder grinds respectively
Body；Then, 500 mesh sieve is crossed, the powder of sieving is collected, it is spare；
B, the powder of collected sieving is separately added into the charging tray of rotary pelleting machine, the 1/3 of polyvinyl alcohol total amount is added
To the fluid reservoir of rotary pelleting machine；Then, start rotary pelleting machine, after material is sufficiently mixed uniformly, open rotary pelleting machine
Spray pump, be granulated to obtain material；
C, above-mentioned material is dried in explosion-proof baking oven, explosion-proof baking oven according to 15 DEG C/h rate from room temperature to
40 DEG C, the then freeze-day with constant temperature at 40 DEG C obtains dry material until material water ratio is less than or equal to 0.8%；
D, gained dry material is entered into blender, then remaining polyvinyl alcohol is entered and is diluted with distilled water, after dilution
The uniform mixing of blender is added in polyethylene, obtains semi-finished product；
E, obtained semi-finished product are packed into cylindrantherae, are placed on press bench, are compacted, obtain under 5MPa pressure
Above-mentioned hot aerosol type fire-extinguishing composite.
The preparation method, wherein above-mentioned steps A further includes specifically：It collects in sieving pot and tails over material incorporation
In next batch solid material, and fill back grinding machine grinding.
The preparation method, wherein above-mentioned steps B further includes specifically：The whiff pressure of rotary pelleting machine is 0.5MP
A, whitewashing revolution speed are 5~25rmin-1, feeding machine rotating speed is 5~25rmin-1, dilution density is 0.64g/ml, is stopped
Angle is 32 °, and the size controlling index of granulation, which is final 28-32 purposes, must expect that yield is more than 90%.
The preparation method, wherein the cylindrantherae internal diameter in above-mentioned steps E is 40mm, high 100mm, charge 50-
100g。
A kind of hot aerosol type fire-extinguishing composite provided by the invention and preparation method thereof, fire extinguishing speed few with dosage
The advantages that degree is fast, fire-fighting efficiency is high in hot aerosol type fire-extinguishing composite, contains oxidation particularly suitable for the fire extinguishing of oils burning things which may cause a fire disaster
Agent, fuel agent, combustionregulator, additive, modifying agent and adhesive；Wherein, oxidant is calcium metaphosphate and calcium pyrophosphate
Mixture, fuel agent are lactose and carbon dust, and combustionregulator is nanometer carboxymethyl cellulose, and additive is basic magnesium carbonate and carbon
Sour calcium, modifying agent are potassium oxalate, and adhesive is polyvinyl alcohol.
Basic magnesium carbonate and calcium carbonate in composition are thermally decomposed at high temperature, release a large amount of carbon dioxide, and two
Carbonoxide is for putting out a fire；Basic magnesium carbonate and calcium carbonate by thermal decomposition process (basic magnesium carbonate and calcium carbonate are thermally decomposed, one
Part carries out in aerosol fire-extinguishing device, and catching fire point carries out a part again after ejection) in, it needs to absorb a large amount of
Heat can both reduce the flame temperature of ignition point, auxiliary fire extinguishing, and advantageously reduce aerosol fire-extinguishing device nozzle temperature,
The safety that extinguishing device operates with people is effectively ensured, brings and uses upper facility and safety.Foregoing basic magnesium carbonate
With calcium carbonate by thermal decomposition process, the reduction of ignition temperature caused by absorbing heat, this will further result in comburant combustion process
It is reduced for gasifying combustibles molecule and by the incendivity molecular cleavage to have gasified at the heat of free radical so that ignition point (after
It is continuous) speed of combustion reaction centainly inhibited.
Also, due to the calcium oxide generated after Decomposition of Calcium Carbonate, can be chemically reacted with the carbon in comburant, it is raw
At carbon dioxide.That is, the combustible component (carbon dust) in comburant is converted to incombustible inert gas (carbon dioxide), favorably
Burning velocity, the oxygen content of reduction combustion space in retarded combustion object, promote the raising of blow-off velocity and efficiency.In addition, combustion
Object is burnt (that is, during maintaining combustion reaction persistently to carry out) during catching fire, it will constant to be cracked to form greatly
Amount, indispensable H, O, OH isoreactivity group of combustion continuation progress institute.
And decomposed under basic magnesium carbonate and calcium carbonate high temperature, the magnesia and calcium oxide of generation, will respectively with it is above-mentioned these
Active group (that is, H, O, OH isoreactivity group) chemically reacts, to which part consumes these active groups, suppression
The reaction between these active groups is made, and then interrupts pyric chain, inhibit continuing for flame combustion.
Oxidant and reducing agent in composition is in aerosol fire-extinguishing device, the electric starter through aerosol fire-extinguishing device
After igniting, violent redox reaction will occur, and release a large amount of heat, calcium metaphosphate, calcium pyrophosphate in composition,
Carbon dust and lactose then begin to imperfect combustion, generate a large amount of flue gas, and aerosol is formed after being mixed with air；
Nanometer carboxymethylcellulose component in composition, since its is flammable, ignition point is low, and large specific surface area, mainly
It is used as combustionregulator.That is, the burning velocity for the combustible component in composition of igniting/accelerate, to promote aerosol fire-extinguishing to fill
Preliminary work is set, a large amount of aerosol is quickly formed in container.In fire-extinguishing composite, the inorganic oxygen generated is decomposed at high temperature
Compound solia particle, is covered in the body surface that catches fire, and further functions as the effect for the body surface starvation that catches fire, promotes flame
Because anoxia asphyxia extinguishes the quickening of process.
Specific implementation mode
The present invention provides a kind of hot aerosol type fire-extinguishing composites and preparation method thereof, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that tool described herein
Body embodiment is only used to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of hot aerosol type fire-extinguishing composites, include according to parts by weight percentage：
25.7%~37.6% calcium metaphosphate, 10.4%~22.1% calcium pyrophosphate, 5.2%~18.1% lactose, 0.9%~
3.5% carbon dust, 1.3%~4.9% nanometer carboxymethyl cellulose, 12.5%~28.6% basic magnesium carbonate, 10.6%
~22.8% calcium carbonate, 0.3%~3.7% potassium oxalate and 1.2%~5.6% polyvinyl alcohol.
Certainly it is further preferred that it includes according to parts by weight percentage：26.3%~31.4% calcium metaphosphate,
12.6%~21.1% calcium pyrophosphate, 8.5%~14.3% lactose, 1.2%~2.6% carbon dust, 1.8%~4.2%
Nanometer carboxymethyl cellulose, 15.7%~27.2% basic magnesium carbonate, 12.1%~21.6% calcium carbonate, 0.8%~
3.2% potassium oxalate and 1.5%~4.8% polyvinyl alcohol.
Further, above-mentioned polyvinyl alcohol makees solvent or diluent dilution using preceding with distilled water, wherein polyvinyl alcohol and distilled water
Mass ratio be 1:9-13 has and preferably uses upper cost performance, is not only convenient for bonding, the compression moulding operation of extinguishing chemical, but also
With good compression moulding quality.
The present invention also provides a kind of methods preparing above-mentioned hot aerosol type fire-extinguishing composite comprising following steps：
Step 1 weighs above-mentioned raw materials component in corresponding ratio, and taken material component is used grinding machine grinding respectively respectively
At powder；Then, 500 mesh sieve is crossed, the powder of sieving is collected, it is spare；
The powder of collected sieving is separately added into the charging tray of rotary pelleting machine by step 2, by the 1/3 of polyvinyl alcohol total amount
It is added to the fluid reservoir of rotary pelleting machine；Then, start rotary pelleting machine, after material is sufficiently mixed uniformly, opens rotation and make
The spray pump of grain machine, is granulated to obtain material；
Above-mentioned material is dried step 3 in explosion-proof baking oven, and explosion-proof baking oven is according to the rate of 15 DEG C/h from room temperature
40 DEG C are warming up to, then the freeze-day with constant temperature at 40 DEG C, until material water ratio is less than or equal to 0.8%, obtain dry material；
Step 4, enters blender by gained dry material, then enters remaining polyvinyl alcohol and is diluted with distilled water, dilute
The uniform mixing that blender is added in rear polyethylene is released, semi-finished product are obtained；
Obtained semi-finished product are packed into cylindrantherae, are placed on press bench by step 5, are pushed in 5MPa pressure
It is real, obtain above-mentioned hot aerosol type fire-extinguishing composite.
Further, above-mentioned steps one further include specifically：It collects in sieving pot and tails over material incorporation next batch
In solid material, and fill back grinding machine grinding.And above-mentioned steps two further include specifically：The whiff pressure of rotary pelleting machine is
0.5MP a, whitewashing revolution speed are 5~25rmin-1, feeding machine rotating speed is 5~25rmin-1, dilution density is 0.64g/
Ml, angle of repose are 32 °, and the size controlling index of granulation, which is final 28-32 purposes, must expect that yield is more than 90%.In above-mentioned steps E
Cylindrantherae internal diameter be 40mm, high 100mm, charge 50-100g.
In order to which the present invention is described in further detail, it is exemplified below more detailed embodiment and illustrates.Following implementation
Example, the fire suppression applications experiment of fire-extinguishing composite product, is all made of GA 499.1-2010《GAFES》Part 1：Heat
Method as defined in aerosol fire-extinguishing device carries out, and the usage amount of fire-extinguishing composite is 50g.
Embodiment 1
The composition of raw materials of compound type aerosol fire-extinguishing composite is：By mass fraction, calcium metaphosphate 26.5%, calcium pyrophosphate
17%, lactose 9%, carbon dust 2.5%, nanometer carboxymethyl cellulose 4%, basic magnesium carbonate 23%, calcium carbonate 14%, potassium oxalate
2%, polyvinyl alcohol 2% (presses 1:9 mass ratio is added distilled water and makees solvent or diluent dilution).
The product of compression moulding is fitted into (with one piece of cylindrantherae) in Compact Aerosol extinguishing device, electric starter (gas is packed into
Coolant, not compressed gas are not added in aerosol fire extinguisher), it carries out implementing area being 0.1m2The fire fighting test of food tray, fuel
For business level normal heptane.Product quality used in fire fighting test is 50g, and experimental result is shown in Table 1.
Embodiment 2
The composition of raw materials of aerosol type fire-extinguishing composite is：By mass fraction, calcium metaphosphate 27%, calcium pyrophosphate 15%,
Lactose 11%, carbon dust 2.5%, nanometer carboxymethyl cellulose 3%, basic magnesium carbonate 21%, calcium carbonate 16%, potassium oxalate
2.5%, polyvinyl alcohol 2% (presses 1:11 mass ratio is added distilled water and makees solvent or diluent dilution).
The product of compression moulding is fitted into (with one piece of cylindrantherae) in Compact Aerosol extinguishing device, electric starter (gas is packed into
Coolant, not compressed gas are not added in aerosol fire extinguisher), it carries out implementing area being 0.1m2The fire fighting test of food tray, fuel
For business level normal heptane.Product quality used in fire fighting test is 50g, and experimental result is shown in Table 1.
Embodiment 3
The composition of raw materials of aerosol type fire-extinguishing composite is：By mass fraction, calcium metaphosphate 30%, calcium pyrophosphate 14%,
Lactose 10%, nanometer carboxymethyl cellulose 2%, basic magnesium carbonate 20%, calcium carbonate 16%, potassium oxalate 3.5%, gathers carbon dust 2%
Vinyl alcohol 2.5% (presses 1:11 mass ratio is added distilled water and makees solvent or diluent dilution).
The product of compression moulding is fitted into (with one piece of cylindrantherae) in Compact Aerosol extinguishing device, electric starter (gas is packed into
Coolant, not compressed gas are not added in aerosol fire extinguisher), it carries out implementing area being 0.1m2The fire fighting test of food tray, fuel
For business level normal heptane.Product quality used in fire fighting test is 50g, and experimental result is shown in Table 1.
Embodiment 4
The composition of raw materials of aerosol type fire-extinguishing composite is：By mass fraction, calcium metaphosphate 25%, calcium pyrophosphate 13%,
Lactose 14%, nanometer carboxymethyl cellulose 4%, basic magnesium carbonate 19%, calcium carbonate 18%, potassium oxalate 3%, gathers carbon dust 2%
Vinyl alcohol 2% (presses 1:13 mass ratio is added distilled water and makees solvent or diluent dilution).
The product of compression moulding is fitted into (with one piece of cylindrantherae) in Compact Aerosol extinguishing device, electric starter (gas is packed into
Coolant, not compressed gas are not added in aerosol fire extinguisher), it carries out implementing area being 0.1m2The fire fighting test of food tray, fuel
For business level normal heptane.Product quality used in fire fighting test is 50g.Experimental result is shown in the following table 1.
Comparative example 1
Extinguishing chemical is commercially available S types extinguishing chemical, and quality used in fire fighting test is 50g.
Comparative example 2
Extinguishing chemical is commercially available K-type extinguishing chemical, and quality used in fire fighting test is 50g.
Table 1 is the result that embodiment 1- embodiments 4 and comparative example 1, comparative example 2 carry out fire extinguishing contrast test
The table of comparisons.
Table 1
As can be seen that Examples 1 to 4 fire extinguishing success rate is 100% from upper table 1, the commercially available K-type higher than same type is gone out
Fiery agent and commercially available S types extinguishing chemical product (average out to 62.5%).
The required aerosol sustained firing time average of Examples 1 to 4 fire extinguishing is about 12.5s, the commercially available K of same type
Type extinguishing chemical and the required aerosol sustained firing time average of commercially available S types extinguishing chemical product fire extinguishing are about 19.1s.Table
Bright, Examples 1 to 4 is put out a fire the required aerosol sustained firing time, and (average value) shortens 34.6% or so.
The specific extinguishing mechanism of the present invention is：
Basic magnesium carbonate and calcium carbonate in composition are thermally decomposed at high temperature, release a large amount of carbon dioxide, and two
Carbonoxide is for putting out a fire；Basic magnesium carbonate and calcium carbonate by thermal decomposition process (basic magnesium carbonate and calcium carbonate are thermally decomposed, one
Part carries out in aerosol fire-extinguishing device, and catching fire point carries out a part again after ejection) in, it needs to absorb a large amount of
Heat can both reduce the flame temperature of ignition point, auxiliary fire extinguishing, and advantageously reduce aerosol fire-extinguishing device nozzle temperature,
The safety that extinguishing device operates with people is effectively ensured, brings and uses upper facility and safety.Foregoing basic magnesium carbonate
With calcium carbonate by thermal decomposition process, the reduction of ignition temperature caused by absorbing heat, this will further result in comburant combustion process
It is reduced for gasifying combustibles molecule and by the incendivity molecular cleavage to have gasified at the heat of free radical so that ignition point (after
It is continuous) speed of combustion reaction centainly inhibited.
Also, due to the calcium oxide generated after Decomposition of Calcium Carbonate, can be chemically reacted with the carbon in comburant, it is raw
At carbon dioxide.That is, the combustible component (carbon dust) in comburant is converted to incombustible inert gas (carbon dioxide), favorably
Burning velocity, the oxygen content of reduction combustion space in retarded combustion object, promote the raising of blow-off velocity and efficiency.In addition, combustion
Object is burnt (that is, during maintaining combustion reaction persistently to carry out) during catching fire, it will constant to be cracked to form greatly
Amount, indispensable H, O, OH isoreactivity group of combustion continuation progress institute.
And decomposed under basic magnesium carbonate and calcium carbonate high temperature, the magnesia and calcium oxide of generation, will respectively with it is above-mentioned these
Active group (that is, H, O, OH isoreactivity group) chemically reacts, to which part consumes these active groups, suppression
The reaction between these active groups is made, and then interrupts pyric chain, inhibit continuing for flame combustion.
Oxidant and reducing agent in composition is in aerosol fire-extinguishing device, the electric starter through aerosol fire-extinguishing device
After igniting, violent redox reaction will occur, and release a large amount of heat, calcium metaphosphate, calcium pyrophosphate in composition,
Carbon dust and lactose then begin to imperfect combustion, generate a large amount of flue gas, and aerosol is formed after being mixed with air；
Nanometer carboxymethylcellulose component in composition, since its is flammable, ignition point is low, and large specific surface area, mainly
It is used as combustionregulator.That is, the burning velocity for the combustible component in composition of igniting/accelerate, to promote aerosol fire-extinguishing to fill
Preliminary work is set, a large amount of aerosol is quickly formed in container.In fire-extinguishing composite, the inorganic oxygen generated is decomposed at high temperature
Compound solia particle, is covered in the body surface that catches fire, and further functions as the effect for the body surface starvation that catches fire, promotes flame
Because anoxia asphyxia extinguishes the quickening of process.
It can be appreciated that the hot aerosol type fire-extinguishing composite of above-mentioned technical proposal, dress from the analysis of above-described embodiment 1-4
Enter in aerosol fire-extinguishing device and (the certain pressure of combustion generated gas, formation in the device) can be used directly, is not necessarily to pressure
Storage.This effectively improves the storage of fire-extinguishing composite and the convenience during use and safety, with the prior art
Conventional similar-type products ratio has comparative advantages very outstanding.
In the above-mentioned type fire-extinguishing composite extinguishing mechanism explanatory note about hot aerosol, involved main chemical reactions side
Formula is as follows：
Mg2(OH)2CO3→MgO+CO2↑+H2O
CaCO3→CaO+CO2↑
CaO+C→Ca+CO2↑
Ca+·OH→Ca(OH)2
Ca+·O→CaO
Ca(OH)2+·H→H2O+Ca
Ca(OH)2+·OH→H2O+CaO
CaO+·H→Ca(OH)2
MgO+·H→Mg(OH)2
Mg(OH)2+·OH→H2O+MgO。
In conclusion being not difficult to find out, between each component of the hot aerosol type fire-extinguishing composite of above-mentioned technical proposal, have
The function of fairly obvious " division of labor with cooperate " and effect, have apparent synergistic effect between each component, mutual cooperation, mutual
Promote so that aerosol fire-extinguishing composite has good extinguishing ability and fire-fighting efficiency on the whole.
Illustrate the fire-fighting efficiency of the hot aerosol type fire-extinguishing composite product of the present invention, hence it is evident that be higher than the commercially available K of same type
Type extinguishing chemical and commercially available S types extinguishing chemical product.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, any technical person familiar with the field is all equivalent substitutes for being made, bright under the introduction of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (7)
1. a kind of hot aerosol type fire-extinguishing composite, is characterized in that, include according to parts by weight percentage：
2. hot aerosol type fire-extinguishing composite according to claim 1, is characterized in that, according to parts by weight percentage packet
It includes：
The summation of the weight percent of above-mentioned each group point is 100%.
3. hot aerosol type fire-extinguishing composite according to claim 1, which is characterized in that above-mentioned polyvinyl alcohol uses preceding use
Distilled water makees solvent or diluent dilution, wherein the mass ratio of polyvinyl alcohol and distilled water is 1:9-13.
4. a kind of method preparing hot aerosol type fire-extinguishing composite as described in claim 1 comprising following steps：
A, above-mentioned raw materials component is weighed respectively in corresponding ratio, and use grinding machine grinding at powder respectively taken material component；So
Afterwards, 500 mesh sieve is crossed, the powder of sieving is collected, it is spare；
B, the powder of collected sieving is separately added into the charging tray of rotary pelleting machine, rotation is added to by the 1/3 of polyvinyl alcohol total amount
Turn the fluid reservoir of comminutor；Then, start rotary pelleting machine, after material is sufficiently mixed uniformly, open the spray of rotary pelleting machine
Stock pump is granulated to obtain material；
C, above-mentioned material is dried in explosion-proof baking oven, explosion-proof baking oven is according to the rate of 15 DEG C/h from room temperature to 40
DEG C, then the freeze-day with constant temperature at 40 DEG C obtains dry material until material water ratio is less than or equal to 0.8%；
D, gained dry material is entered into blender, then the polyvinyl alcohol after remaining dilution is added to the uniform mixing of blender,
Obtain semi-finished product；
E, obtained semi-finished product are packed into cylindrantherae, are placed on press bench, are compacted under 5MPa pressure, is obtained above-mentioned
Hot aerosol type fire-extinguishing composite.
5. preparation method according to claim 4, which is characterized in that above-mentioned steps A further includes specifically：Collect sieving pot
In tail in material incorporation next batch solid material, and fill back grinding machine grinding.
6. preparation method according to claim 4, which is characterized in that above-mentioned steps B further includes specifically：Rotary pelleting machine
Whiff pressure be 0.5MP a, whitewashing revolution speed be 5~25rmin-1, feeding machine rotating speed is 5~25rmin-1, dilute close
Degree is 0.64g/ml, and angle of repose is 32 °, and the size controlling index of granulation, which is final 28-32 purposes, must expect that yield is more than 90%.
7. preparation method according to claim 4, which is characterized in that the cylindrantherae internal diameter in above-mentioned steps E is 40mm, high
100mm, charge 50-100g.
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| PCT/CN2018/082988 WO2019062076A1 (en) | 2017-09-29 | 2018-04-13 | Hot aerosol fire extinguishing composition and preparation method therefor |
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| CN107537128B (en) * | 2017-09-29 | 2018-10-02 | 山东科技大学 | A kind of hot aerosol type fire-extinguishing composite and preparation method thereof |
| CN114367075A (en) * | 2021-12-13 | 2022-04-19 | 湖北及安盾消防科技有限公司 | Hot aerosol fire extinguishing agent and preparation method and application thereof |
| CN116474308A (en) * | 2023-04-25 | 2023-07-25 | 西安庆华民用爆破器材股份有限公司 | Composite low-temperature aerosol fire extinguishing agent and preparation method thereof |
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| CN101376049B (en) * | 2008-09-26 | 2011-07-27 | 陕西坚瑞消防股份有限公司 | Extinguishment combination with hot gas sol |
| CN101554520B (en) * | 2009-05-26 | 2011-08-31 | 胡永华 | Steam hot aerosol fire-extinguishing composition and application method and fire extinguishing device thereof |
| CN101862517B (en) * | 2010-07-01 | 2011-06-29 | 湖南省金鼎消防器材有限公司 | Compound type aerosol extinguishing agent |
| CN102179024B (en) * | 2010-09-16 | 2012-06-27 | 陕西坚瑞消防股份有限公司 | Fire extinguishing composition for generating fire extinguishing substance through chemical reaction among components at high temperature |
| CN102225228B (en) * | 2011-04-26 | 2013-01-09 | 杭州华神消防科技有限公司 | Hot aerosol fire extinguishing agent |
| CN102824715A (en) * | 2012-09-21 | 2012-12-19 | 陕西坚瑞消防股份有限公司 | Phosphate fire extinguishing composition |
| JP6443882B2 (en) * | 2015-03-13 | 2018-12-26 | 株式会社ダイセル | Aerosol fire extinguisher composition. |
| CN105597259B (en) * | 2016-03-04 | 2018-08-28 | 湖北海山科技有限公司 | A kind of rapidly and efficiently aerosol extinguishing agent and preparation method |
| CN107537128B (en) * | 2017-09-29 | 2018-10-02 | 山东科技大学 | A kind of hot aerosol type fire-extinguishing composite and preparation method thereof |
-
2017
- 2017-09-29 CN CN201710905111.0A patent/CN107537128B/en not_active Expired - Fee Related
-
2018
- 2018-04-13 WO PCT/CN2018/082988 patent/WO2019062076A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019062076A1 (en) | 2019-04-04 |
| CN107537128A (en) | 2018-01-05 |
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