CN107497089A - A kind of compound type aerosol extinguishing agent and preparation method thereof - Google Patents
A kind of compound type aerosol extinguishing agent and preparation method thereof Download PDFInfo
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- CN107497089A CN107497089A CN201710905112.5A CN201710905112A CN107497089A CN 107497089 A CN107497089 A CN 107497089A CN 201710905112 A CN201710905112 A CN 201710905112A CN 107497089 A CN107497089 A CN 107497089A
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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
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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
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Abstract
The invention discloses a kind of compound type aerosol extinguishing agent and preparation method thereof, and it includes according to parts by weight percentage：8.6%~20.3% calper calcium peroxide, 15.8%~27.7% calcium sulfite, 8.4%~14.6% modified starch, 9.2%~15.3% carbon dust, 2.1%~8.3% nano-cellulose, 9.6%~26.4% basic copper carbonate, 3.5%~23.8% sodium acid carbonate, 0.6%~3.8% sodium alginate and 0.9%~4.6% epoxy resin；And preparation method thereof.There is obvious synergy between the aerosol extinguishing agent each component of the present invention, so that aerosol extinguishing agent has good extinguishing ability and fire-fighting efficiency on the whole, have the advantages that dosage is few, blow-off velocity is fast, fire-fighting efficiency is high, particularly suitable for going out for oils burning things which may cause a fire disaster.
Description
Technical field
The present invention relates to oils burning things which may cause a fire disaster fire extinguishing field, more particularly to a kind of compound type aerosol extinguishing agent and its preparation side
Method.
Background technology
Currently, it is common to use extinguishing chemical be broadly divided into following several classes：Water base class extinguishing chemical, gas 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 indications
Respectively there is quality, wherein：Halon fire agent has the characteristics of good extinguishing effect, fire-fighting efficiency is high.
But the chemical composition of the destruction larger to ozone layer in halon fire agent be present, since 1987, respectively
State exists《Concern the Montreal Protocol book for destroying ozone material》Under limitation, the production and use of halon fire agent are phased out,
The Chinese government also stopped 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 go out
Fiery agent is mainly to reach the purpose of asphyxia fire 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 gases at high pressure, 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
During have physical explosion dangerous, in document " safety analysis of gas extinguishing system ", analyze 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 inert gas of release, free radical etc. act on flame range, are 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, time length, is unfavorable for controlling initial fire disaster in time.
Therefore, prior art needs further improvement and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to put forward a kind of compound type aerosol extinguishing agent and its system
Preparation Method, on the premise of cost is reduced, improve fire-fighting efficiency.
In order to solve the above technical problems, technical solution of the present invention includes：
A kind of compound type aerosol extinguishing agent, it includes according to parts by weight percentage：
Described compound type aerosol extinguishing agent, it includes according to parts by weight percentage：
Described compound type aerosol extinguishing agent, wherein, above-mentioned modified starch forms sediment for succinic acid-butanediol ester graft modification
Powder, structural formula are (C6H10O5)6nHO(CO(CH2)2COO(CH2)4O) nH, wherein n ＞ 2.
Described compound type aerosol extinguishing agent, wherein, above-mentioned epoxy resin using it is preceding made with dioctyl phthalate it is dilute
Material dilution, wherein, the mass ratio of epoxy resin and dioctyl phthalate solvent or diluent is 1-3:1.
A kind of method for preparing the compound type aerosol extinguishing agent, it comprises the 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 sieves are crossed, collect the powder of sieving, it is standby；
The powder of collected sieving is separately added into the charging tray of rotary pelleting machine, the 1/3 of epoxy resin total amount is added B,
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 speed from room temperature to
40 DEG C, then the freeze-day with constant temperature at 40 DEG C, until material water ratio is less than or equal to 0.8%, obtains dry material；
D, gained dry material is entered into mixer, is then diluted remaining epoxy resin with dioctyl phthalate,
Epoxy resin adds the uniform mixing of mixer after dilution, obtains semi-finished product；
E, obtained semi-finished product are loaded in cartridge case, is placed on press bench, is compacted, obtains under 5MPa pressure
Above-mentioned aerosol type extinguishing chemical.
Described preparation method, wherein, above-mentioned steps A specifically also includes：Collect in sieving pot and tail over material incorporation
In next batch solid material, and fill back grinding machine grinding.
Described preparation method, wherein, above-mentioned steps B specifically also includes：The whiff pressure of rotary pelleting machine is
0.5Mp, whitewashing revolution speed are 5~25rmin-1, feeding machine rotating speed is 5~25rmin-1, dilution zero density is 0.64g/
Ml, angle of repose are 32 °；The size controlling index of granulation is that final 28-32 purposes must expect that yield is more than 90%.
Described preparation method, wherein, the cartridge case internal diameter in above-mentioned steps E is 40mm, high 100mm, charge 50-
100g。
A kind of compound type aerosol extinguishing agent provided by the invention and preparation method thereof, has that dosage is few, blow-off velocity
It hurry up, the advantages that fire-fighting efficiency is high, particularly suitable for the fire extinguishing of oils burning things which may cause a fire disaster, contain oxidant, fuel agent, combustionregulator, addition
Agent, modifying agent and adhesive；Wherein, oxidant is the mixture of calper calcium peroxide and calcium sulfite, fuel agent be modified starch and
Carbon dust, combustionregulator are nano-cellulose, and additive is basic copper carbonate and sodium acid carbonate, and modifying agent is sodium alginate, are glued
Mixture is epoxy resin.Basic copper carbonate and sodium acid carbonate in composition are thermally decomposed at high temperature, discharge substantial amounts of two
Carbonoxide, carbon dioxide are used to put out a fire；In basic copper carbonate and sodium acid carbonate by thermal decomposition process (basic copper carbonate and bicarbonate
Sodium is thermally decomposed, and a part is carried out in aerosol fire-extinguishing device, and catching fire point is carried out a part again after ejection) in, need
Substantial amounts of heat is absorbed, the flame temperature of ignition point can both be reduced, auxiliary fire extinguishing, advantageously reduces aerosol fire-extinguishing dress again
Nozzle temperature is put, the safety that extinguishing device operates with people is effectively ensured, brings and uses upper facility and safety.
Foregoing basic copper carbonate and sodium acid carbonate are by thermal decomposition process, the reduction of ignition temperature caused by heat absorption,
This will further result in be used in comburant combustion process gasifying combustibles molecule and the incendivity molecular cleavage that will gasify into
The heat of free radical is reduced so that the speed of ignition point (continuation) combustion reaction is necessarily suppressed.Also, due to basic carbonate
The cupric oxide that copper generates after decomposing, can chemically react with the carbon in comburant, generate carbon dioxide.That is, will burn
Combustible component (carbon dust) in thing changes into incombustible inert gas (carbon dioxide), is advantageous to the burning speed of retarded combustion thing
Degree, the oxygen content for reducing combustion space, promote the raising of blow-off velocity and efficiency.
In addition, comburant (that is, maintain combustion reaction persistently carry out during) during catching fire, it will continue
Constantly it is cracked to form substantial amounts of, combustion continuation and carries out indispensable H, O, OH isoreactivity group of institute.And basic carbonate
Decomposed under copper and sodium acid carbonate high temperature, the cupric oxide and sodium oxide molybdena of generation, will respectively with these above-mentioned active groups (i.e.,
H, O, OH isoreactivity group) chemically react, so as to which part consumes these active groups, suppresses these active groups
Reaction each other, and then interrupt pyric chain, suppress 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 discharge substantial amounts of heat, calper calcium peroxide, calcium sulfite in composition,
Carbon dust and modified starch then begin to imperfect combustion, produce substantial amounts of flue gas, and aerosol is formed after being mixed with air；Composition
In nano-cellulose composition, because its is flammable, ignition point is low, and specific surface area is big, is mainly used as combustionregulator.That is, use
It is quick in container to promote aerosol fire-extinguishing device preliminary work in the burning velocity for the combustible component in composition of igniting/accelerate
Form substantial amounts of aerosol.In fire extinguishant compositions, generated solid inorganic oxides particulate is decomposed at high temperature, is covered in
Catch fire body surface, further functions as the effect for the body surface starvation that catches fire, and promotes flame to extinguish process because of anoxia asphyxia
Quickening.
Embodiment
The invention provides a kind of compound type aerosol extinguishing agent and preparation method thereof, to make the purpose of the present invention, technology
Scheme and effect are clearer, clear and definite, and the present invention is described in more detail below.It is it should be appreciated that described herein specific
Embodiment only to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of compound type aerosol extinguishing agent, and it includes according to parts by weight percentage：8.6%~
20.3% calper calcium peroxide, 15.8%~27.7% calcium sulfite, 8.4%~14.6% modified starch, 9.2%~
15.3% carbon dust, 2.1%~8.3% nano-cellulose, 9.6%~26.4% basic copper carbonate, 3.5%~23.8%
Sodium acid carbonate, 0.6%~3.8% sodium alginate and 0.9%~4.6% epoxy resin.
Certainly it is further preferred that it includes according to parts by weight percentage：10.5%~18.3% calper calcium peroxide,
17.6%~25.8% calcium sulfite, 10.7%~12.6% modified starch, 10.2%~14.3% carbon dust, 3.5%
~6.2% nano-cellulose, 10.5%~22.3% basic copper carbonate, 7.6%~19.7% sodium acid carbonate, 1.6%
~2.3% sodium alginate and 1.9%~3.5% epoxy resin.
Further, above-mentioned modified starch is succinic acid-butanediol ester graft modified starch, and structural formula is (C6H10O5)
6nHO(CO(CH2)2COO(CH2)4O) nH, wherein n ＞ 2.And above-mentioned epoxy resin using it is preceding made with dioctyl phthalate it is dilute
Material dilution, wherein, the mass ratio of epoxy resin and dioctyl phthalate solvent or diluent is 1-3:1, have and preferably use upper property
Valency ratio, both it had been easy to the bonding of extinguishing chemical, compressing operation, there is good compressing quality again.
Present invention also offers a kind of method for preparing above-mentioned compound type aerosol extinguishing agent, it comprises the following steps：
Step 1, above-mentioned raw materials component is weighed respectively in corresponding ratio, and taken material component is used into grinding machine grinding respectively
Into powder；Then, 500 mesh sieves are crossed, collect the powder of sieving, it is standby；
Step 2, the powder of collected sieving is separately added into the charging tray of rotary pelleting machine, by the 1/3 of epoxy resin 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；
Step 3, above-mentioned material is dried in explosion-proof baking oven, explosion-proof baking oven is according to 15 DEG C/h speed 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, gained dry material is entered into mixer, then carried out remaining epoxy resin with dioctyl phthalate
Dilution, epoxy resin adds the uniform mixing of mixer after dilution, obtains semi-finished product；
Step 5, obtained semi-finished product are loaded in cartridge case, is placed on press bench, is pushed in 5MPa pressure
It is real, obtain above-mentioned aerosol type extinguishing chemical.
Further, above-mentioned steps one specifically also include：Collect in sieving pot and tail over material incorporation next batch
In solid material, and grinding machine grinding is filled back, reused.Above-mentioned steps two specifically also include：Rotary pelleting machine
Whiff pressure is 0.5Mp, and whitewashing revolution speed is 5~25rmin-1, feeding machine rotating speed is 5~25rmin-1, dilute zero density
For 0.64g/ml, angle of repose is 32 °；The size controlling index of granulation is that final 28-32 purposes must expect that yield is more than 90%.It is above-mentioned
Cartridge case internal diameter in step 5 is 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 extinguishing chemical product, using GA 499.1-2010《GAFES》Part 1：Hot gas is molten
Method as defined in glue extinguishing device is carried out, and the usage amount of extinguishing chemical is 50g.
Embodiment 1
The composition of raw materials of compound type aerosol extinguishing agent is：By mass fraction, calper calcium peroxide 12%, calcium sulfite 18%,
Modified starch 10%, carbon dust 11%, nano-cellulose 4%, basic copper carbonate 22%, sodium acid carbonate 19%, sodium alginate 2%,
Epoxy resin 2% (presses 1:1 mass ratio, add dioctyl phthalate and make solvent or diluent dilution).
Compressing product is fitted into Compact Aerosol extinguishing device (with one piece of cartridge case), loads electric starter (gas
Cooling agent, not compressed gas are not added with aerosol fire extinguisher), it is 0.1m to carry out implementing area2The 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 compound type aerosol extinguishing agent is：By mass fraction, calper calcium peroxide 15%, calcium sulfite 19%,
Modified starch 10%, carbon dust 12%, nano-cellulose 5%, basic copper carbonate 17%, sodium acid carbonate 18%, sodium alginate 2%,
Epoxy resin 2% (presses 1:3 mass ratio, add dioctyl phthalate and make solvent or diluent dilution).
Compressing product is fitted into Compact Aerosol extinguishing device (with one piece of cartridge case), loads electric starter (gas
Cooling agent, not compressed gas are not added with aerosol fire extinguisher), it is 0.1m to carry out implementing area2The 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 compound type aerosol extinguishing agent is：By mass fraction, calper calcium peroxide 16%, calcium sulfite 20%,
Modified starch 11%, carbon dust 12%, nano-cellulose 6%, basic copper carbonate 16%, sodium acid carbonate 14%, sodium alginate 3%,
Epoxy resin 2% (presses 1:2 mass ratio, add dioctyl phthalate and make solvent or diluent dilution).
Compressing product is fitted into Compact Aerosol extinguishing device (with one piece of cartridge case), loads electric starter (gas
Cooling agent, not compressed gas are not added with aerosol fire extinguisher), it is 0.1m to carry out implementing area2The 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 compound type aerosol extinguishing agent is：By mass fraction, calper calcium peroxide 16%, calcium sulfite 22%,
Modified starch 12%, carbon dust 13%, nano-cellulose 4%, basic copper carbonate 15%, sodium acid carbonate 14%, sodium alginate 2%,
Epoxy resin 2% (presses 1:1.5 mass ratio, add dioctyl phthalate and make solvent or diluent dilution).
Compressing product is fitted into Compact Aerosol extinguishing device (with one piece of cartridge case), loads electric starter (gas
Cooling agent, not compressed gas are not added with aerosol fire extinguisher), it is 0.1m to carry out implementing area2The fire fighting test of food tray, fuel
For business level normal heptane.Product quality used in fire fighting test is 50g, and experimental result see the table below 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
It is commercially available higher than same type as can be seen that the fire extinguishing success rate of embodiment 1- embodiments 4 is 100% from upper table 1
K-type extinguishing chemical and commercially available S types extinguishing chemical product (average out to 62.5%).
Aerosol sustained firing time average required for embodiment 1- embodiments 4 are put out a fire is about 11.4s, same type
Commercially available K-type extinguishing chemical and commercially available S types extinguishing chemical product fire extinguishing required for aerosol sustained firing time average be about
19.1s.Show, embodiment 1- embodiments 4 are put out a fire the required aerosol sustained firing time, and (average value) shortens 40.3%
Left and right.
Specifically extinguishing mechanism is the present invention：
Basic copper carbonate and sodium acid carbonate in composition are thermally decomposed at high temperature, discharge substantial amounts of carbon dioxide,
Carbon dioxide is used to put out a fire；In basic copper carbonate and sodium acid carbonate, by thermal decomposition process, (basic copper carbonate and sodium acid carbonate are heated
Decompose, a part carried out in aerosol fire-extinguishing device, a part after ejection again catching fire point carry out) in, it is necessary to absorb
Substantial amounts of heat, the flame temperature of ignition point can both be reduced, and auxiliary fire extinguishing, advantageously reduce aerosol fire-extinguishing device spout again
Temperature, the safety that extinguishing device operates with people is effectively ensured, brings and use upper facility and safety.
Foregoing basic copper carbonate and sodium acid carbonate are by thermal decomposition process, the reduction of ignition temperature caused by heat absorption,
This will further result in be used in comburant combustion process gasifying combustibles molecule and the incendivity molecular cleavage that will gasify into
The heat of free radical is reduced so that the speed of ignition point (continuation) combustion reaction is necessarily suppressed.Also, due to basic carbonate
The cupric oxide that copper generates after decomposing, can chemically react with the carbon in comburant, generate carbon dioxide.That is, will burn
Combustible component (carbon dust) in thing changes into incombustible inert gas (carbon dioxide), is advantageous to the burning speed of retarded combustion thing
Degree, the oxygen content for reducing combustion space, promote the raising of blow-off velocity and efficiency.
In addition, comburant (that is, maintain combustion reaction persistently carry out during) during catching fire, it will continue
Constantly it is cracked to form substantial amounts of, combustion continuation and carries out indispensable H, O, OH isoreactivity group of institute.And basic carbonate
Decomposed under copper and sodium acid carbonate high temperature, the cupric oxide and sodium oxide molybdena of generation, will respectively with these above-mentioned active groups (i.e.,
H, O, OH isoreactivity group) chemically react, so as to which part consumes these active groups, suppresses these active groups
Reaction each other, and then interrupt pyric chain, suppress 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 discharge substantial amounts of heat, calper calcium peroxide, calcium sulfite in composition,
Carbon dust and modified starch then begin to imperfect combustion, produce substantial amounts of flue gas, and aerosol is formed after being mixed with air；Composition
In nano-cellulose composition, because its is flammable, ignition point is low, and specific surface area is big, is mainly used as combustionregulator.That is, use
It is quick in container to promote aerosol fire-extinguishing device preliminary work in the burning velocity for the combustible component in composition of igniting/accelerate
Form substantial amounts of aerosol.In fire extinguishant compositions, generated solid inorganic oxides particulate is decomposed at high temperature, is covered in
Catch fire body surface, further functions as the effect for the body surface starvation that catches fire, and promotes flame to extinguish process because of anoxia asphyxia
Quickening.
It can be appreciated that the compound gas of above-mentioned technical proposal is molten from the analysis of above-mentioned table 1 and embodiment 1- embodiments 4
Glue extinguishing chemical, be fitted into aerosol fire-extinguishing device and can be used directly (in device combustion generated gas, form certain pressure
Power), without pressure reservoir.This effectively improves the convenience and security during the storage and use of extinguishing chemical, with showing
There is the conventional similar-type products ratio of technology, there are very prominent comparative advantages.
In the above-mentioned extinguishing mechanism explanatory note on compound type aerosol extinguishing agent, involved main chemical reactions equation
Formula is as follows：
(C6H10O5)6nHO(CO(CH2)2COO(CH2)4O)nH+Ca(MnO4)2→H2O↑+CO2↑+MnO2
Cu2(OH)2CO3→CuO+CO2↑+H2O
NaHCO3→Na2CO3+CO2↑+H2O
Na2CO3→Na2O+CO2↑
Na2O+H2O→NaOH
Na2O+·H→NaOH
NaOH+·OH→H2O+Na2O
CuO+C→Cu+CO2↑
Cu+·OH→Cu(OH)2
Cu+·O→CuO
Cu(OH)2+·H→H2O+Cu
Cu(OH)2+·OH→H2O+CuO
CuO+·H→Cu(OH)2。
In summary, it is not difficult to find out between each component of the compound type aerosol extinguishing agent of above-mentioned technical proposal, there is ten
Divide function and the effect of obvious " division of labor is with cooperating ", have between each component and significantly act synergistically, cooperate, mutually promote
Enter so that aerosol extinguishing agent has the compound type aerosol that good extinguishing ability illustrates the present invention with fire-fighting efficiency on the whole
The fire-fighting efficiency of extinguishing chemical product, hence it is evident that commercially available K-type extinguishing chemical and commercially available S types extinguishing chemical product higher than same type.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those skilled in the art are all equivalent substitutes for being made, bright under the teaching of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (8)
1. a kind of compound type aerosol extinguishing agent, is characterised by, it includes according to parts by weight percentage：
2. compound type aerosol extinguishing agent according to claim 1, is characterised by, it includes according to parts by weight percentage：
3. compound type aerosol extinguishing agent according to claim 1, it is characterised in that above-mentioned modified starch is succinic acid fourth
Diol ester graft modified starch, structural formula are (C6H10O5)6nHO(CO(CH2)2COO(CH2)4O) nH, wherein n ＞ 2.
4. compound type aerosol extinguishing agent according to claim 1, it is characterised in that above-mentioned epoxy resin is using preceding using benzene
Diformazan dioctyl phthalate makees solvent or diluent dilution, wherein, the mass ratio of epoxy resin and dioctyl phthalate solvent or diluent is 1-3:1.
5. a kind of method for preparing compound type aerosol extinguishing agent as claimed in claim 1, it comprises the following steps：
A, above-mentioned raw materials component is weighed respectively in corresponding ratio, and taken material component is used into grinding machine grinding into powder respectively；So
Afterwards, 500 mesh sieves are crossed, collect the powder of sieving, it is standby；
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 epoxy resin total amount B,
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, it is granulated to obtain material；
C, above-mentioned material is dried in explosion-proof baking oven, explosion-proof baking oven is according to 15 DEG C/h speed from room temperature to 40
DEG C, then the freeze-day with constant temperature at 40 DEG C, until material water ratio is less than or equal to 0.8%, obtains dry material；
D, gained dry material is entered into mixer, then the epoxy resin after remaining dilution is added to the uniform mixing of mixer,
Obtain semi-finished product；
E, obtained semi-finished product are loaded in cartridge case, is placed on press bench, is compacted under 5MPa pressure, obtained above-mentioned
Aerosol type extinguishing chemical.
6. preparation method according to claim 5, it is characterised in that above-mentioned steps A specifically also includes：Collect sieving pot
In tail in material incorporation next batch solid material, and fill back grinding machine grinding.
7. preparation method according to claim 5, it is characterised in that above-mentioned steps B specifically also includes：Rotary pelleting machine
Whiff pressure be 0.5Mp, whitewashing revolution speed is 5~25rmin-1, feeding machine rotating speed is 5~25rmin-1, it is close to dilute zero
It is 32 ° to spend for 0.64g/ml, angle of repose；The size controlling index of granulation is that final 28-32 purposes must expect that yield is more than 90%.
8. preparation method according to claim 4, it is characterised in that the cartridge case internal diameter in above-mentioned steps E is 40mm, high
100mm, charge 50-100g.
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| CN201710905112.5A CN107497089B (en) | 2017-09-29 | 2017-09-29 | A kind of compound type aerosol extinguishing agent and preparation method thereof |
| PCT/CN2018/082973 WO2019062075A1 (en) | 2017-09-29 | 2018-04-13 | Composite aerosol fire extinguishing agent and preparation method therefor |
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| CN201710905112.5A CN107497089B (en) | 2017-09-29 | 2017-09-29 | A kind of compound type aerosol extinguishing agent and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062075A1 (en) * | 2017-09-29 | 2019-04-04 | 山东科技大学 | Composite aerosol fire extinguishing agent and preparation method therefor |
| CN115594477A (en) * | 2022-10-13 | 2023-01-13 | 广东能源集团科学技术研究院有限公司（Cn） | Fireproof gypsum board and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998367A (en) * | 2014-04-17 | 2015-10-28 | 北京众慧诚科技有限公司 | Burning type fire extinguishing composition |
| CN105597259A (en) * | 2016-03-04 | 2016-05-25 | 中国船舶重工集团公司第七一〇研究所 | Rapid and efficient aerosol fire extinguishing agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822883A (en) * | 2010-04-12 | 2010-09-08 | 南京理工大学 | Pyrotechnical hot-gas sol fire extinguishing agent and preparation method thereof |
| CN105983199A (en) * | 2015-01-29 | 2016-10-05 | 扬州凯伦达科技有限公司 | Gas producing agent for fire extinguisher |
| CN107497089B (en) * | 2017-09-29 | 2018-11-09 | 山东科技大学 | A kind of compound type aerosol extinguishing agent and preparation method thereof |
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2017
- 2017-09-29 CN CN201710905112.5A patent/CN107497089B/en not_active Expired - Fee Related
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2018
- 2018-04-13 WO PCT/CN2018/082973 patent/WO2019062075A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998367A (en) * | 2014-04-17 | 2015-10-28 | 北京众慧诚科技有限公司 | Burning type fire extinguishing composition |
| CN105597259A (en) * | 2016-03-04 | 2016-05-25 | 中国船舶重工集团公司第七一〇研究所 | Rapid and efficient aerosol fire extinguishing agent and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062075A1 (en) * | 2017-09-29 | 2019-04-04 | 山东科技大学 | Composite aerosol fire extinguishing agent and preparation method therefor |
| CN115594477A (en) * | 2022-10-13 | 2023-01-13 | 广东能源集团科学技术研究院有限公司（Cn） | Fireproof gypsum board and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107497089B (en) | 2018-11-09 |
| WO2019062075A1 (en) | 2019-04-04 |
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