CN107694001B - A kind of hot-gas sol fire extinguishing agent and preparation method thereof - Google Patents
A kind of hot-gas sol fire extinguishing agent and preparation method thereof Download PDFInfo
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- CN107694001B CN107694001B CN201710905048.0A CN201710905048A CN107694001B CN 107694001 B CN107694001 B CN 107694001B CN 201710905048 A CN201710905048 A CN 201710905048A CN 107694001 B CN107694001 B CN 107694001B
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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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- 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
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Abstract
The invention discloses a kind of hot-gas sol fire extinguishing agent and preparation method thereof, according to parts by weight percentage include: 19.6%~31.5% calcium bichromate, 10.8%~22.3% six calcium borides, 0.9%~5.6% xylose, 11.5%~23.6% carbon dust, 1.3%~4.2% nanometer carboxymethyl cellulose, 11.8%~27.5% calcium bicarbonate, 12.1%~20.2% copper oxide, 0.9%~3.7% ethylenediamine tetra-acetic acid and 1.3%~5.6% epoxy resin.There is apparent synergistic effect between aerosol extinguishing agent each component of the 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 fire source.
Description
Technical field
The present invention relates to fire extinguishing fields more particularly to a kind of hot-gas sol fire extinguishing agent and preparation method thereof.
Background technique
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 superiority and inferiority, in which: halon fire agent has the characteristics that good extinguishing effect, fire-fighting efficiency are high.
But there is the chemical component to the biggish destruction of ozone layer in halon fire agent, since 1987, respectively
State is phased out the production and use of halon fire agent under " concerning the Montreal Protocol book for destroying ozone substance " limitation,
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 is mainly that the cooling for passing through water mists, asphyxia and isolation heat radiation effect reach fire extinguishing purpose；Gas class is gone out
The oxygen content that fiery agent mainly passes through injection inert gas reduction flame range achievees the purpose that the fire that suffocates；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 in these extinguishing chemical use processes, cause equipment volume larger, storage uses
Have physical explosion risk, in document " safety analysis of gas extinguishing system ", analyze gas extinguishing system in the process
Risk.
Existing aerosol class extinguishing chemical can be divided mainly into S type and K-type, and this kind of extinguishing chemical mainly utilizes redox reaction
The effects of 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
It spends higher；Some aerosol extinguishing agents generation aerosol efficiency are lower, and the time is long, is unfavorable for controlling initial fire disaster in time.
Therefore, the prior art needs further improvement and develops.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of hot-gas sol fire extinguishing agent and its system
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-gas sol fire extinguishing agent includes: according to parts by weight percentage
The hot-gas sol fire extinguishing agent includes: according to parts by weight percentage
The hot-gas sol fire extinguishing agent, wherein with dioctyl phthalate to make solvent or diluent dilute using preceding for above-mentioned epoxy resin
It releases, wherein the mass ratio of epoxy resin and dioctyl phthalate solvent or diluent is 1-3:1.
A method of preparing the hot-gas sol fire extinguishing agent 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 meshes are 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 epoxy resin 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, 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, is then diluted remaining epoxy resin with dioctyl phthalate,
The uniform mixing of blender is added in epoxy resin after dilution, 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 aerosol type extinguishing chemical.
The preparation method, wherein above-mentioned steps A is specific further include: collect in sieving pot and tail over material incorporation
In next batch solid material, and fill back grinding machine grinding.
The preparation method, wherein above-mentioned steps B is specific further include: the whiff pressure of rotary pelleting machine is
0.5MPa, whitewashing revolution speed are 5~25rmin-1, feeding machine revolving 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 purpose must expect that yield is greater than 90%.
The preparation method, wherein the cylindrantherae internal diameter in above-mentioned steps E is 40mm, high 100mm, charge 50-
100g。
The present invention provides a kind of hot-gas sol fire extinguishing agent and preparation method thereof, have that dosage is few, blow-off velocity is fast, goes out
The advantages that fire is high-efficient, particularly suitable for the fire extinguishing of oils fire source, containing oxidant, fuel agent, combustionregulator, additive, changes
Property agent and adhesive；Wherein, oxidant is the mixture of calcium bichromate and six calcium borides, and fuel agent is xylose and carbon dust, burning
Regulator is nanometer carboxymethyl cellulose, and additive is calcium bicarbonate and copper oxide, and modifying agent is ethylenediamine tetra-acetic acid, adhesive
For epoxy resin.Calcium bicarbonate in composition is thermally decomposed at high temperature, releases a large amount of carbon dioxide, and carbon dioxide is used
In fire extinguishing；In calcium bicarbonate and calcium carbonate (calcium bicarbonate is by thermal decomposition product) by thermal decomposition process (calcium bicarbonate and calcium carbonate
Thermally decomposed, a part carries out in aerosol fire-extinguishing device, and catching fire point carries out a part again after ejection) in, it needs
A large amount of heat is absorbed, can both be reduced the flame temperature of ignition point, auxiliary fire extinguishing, and advantageously reduce aerosol fire-extinguishing device
The safety that extinguishing device operates with people is effectively ensured in nozzle temperature, brings and uses upper convenience and safety.Foregoing carbon
Sour hydrogen calcium and calcium carbonate are by thermal decomposition process, and the reduction of ignition temperature caused by absorbing heat, this will further result in comburant burning
It is reduced in the process for gasifying combustibles molecule and by the incendivity molecular cleavage to have gasified at the heat of free radical, so that kindling
The speed of point (continuation) combustion reaction is centainly inhibited.
Also, original copper oxide in the calcium oxide and component generated after being decomposed due to calcium bicarbonate, can be with comburant
In carbon chemically react, generate carbon dioxide.That is, the combustible component (carbon dust) in comburant is converted to non-combustible
It burns inert gas (carbon dioxide), is conducive to the burning velocity of retarded combustion object, reduces the oxygen content of combustion space, promote fire extinguishing
The raising of speed and efficiency.In addition, comburant is during catching fire (that is, the process for maintaining combustion reaction persistently to carry out
In), it will it is constantly cracked to form a large amount of, combustion continuation and carries out indispensable H, O, OH isoreactivity base of institute
Group.And decomposed under calcium bicarbonate high temperature, original copper oxide in the calcium oxide and component of generation, will respectively with it is above-mentioned these
Active group (that is, H, O, OH isoreactivity group) chemically reacts, so that 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 bichromate, six calcium borides in composition,
Xylose and carbon dust then begin to imperfect combustion, generate a large amount of flue gas, form aerosol after mixing with air；In composition
Nanometer carboxymethylcellulose component, since its is flammable, ignition point is low, and large specific surface area, mainly it is used as combustionregulator.That is,
It is fast in container to promote aerosol fire-extinguishing device preliminary work for igniting/accelerating the burning velocity of combustible component in composition
Speed forms a large amount of aerosol.In hot-gas sol fire extinguishing agent composition, solid inorganic oxides generated are decomposed at high temperature
Particle is covered on kindling body surface, further functions as the effect of kindling body surface starvation, flame is promoted to stop up because of anoxic
Cease the quickening of extinguishing process.
Specific embodiment
The present invention provides a kind of hot-gas sol fire extinguishing agents and preparation method thereof, to make the purpose of the present invention, technical solution
And effect is clearer, clear, the present invention is described in more detail below.It should be appreciated that specific implementation described herein
Example is only used to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of hot-gas sol fire extinguishing agents, include: 19.6%~31.5% according to parts by weight percentage
Calcium bichromate, 10.8%~22.3% six calcium borides, 0.9%~5.6% xylose, 11.5%~23.6% carbon dust,
1.3%~4.2% nanometer carboxymethyl cellulose, 11.8%~27.5% calcium bicarbonate, 12.1%~20.2% oxidation
Copper, 0.9%~3.7% ethylenediamine tetra-acetic acid and 1.3%~5.6% epoxy resin.
Certainly it is further preferred that its according to the calcium bichromate that parts by weight percentage includes: 20.1%~29.5%,
11.3%~20.6% six calcium borides, 1.1%~5.3% xylose, 13.2%~22.1% carbon dust,；1.6%~
4.1% nanometer carboxymethyl cellulose, 12.4%~24.3% calcium bicarbonate, 2.8%~18.6% copper oxide, 1.1%
~3.5% ethylenediamine tetra-acetic acid and 1.6%~5.2% epoxy resin.
Further, above-mentioned epoxy resin makees solvent or diluent dilution with dioctyl phthalate using preceding, wherein epoxy resin
Mass ratio with dioctyl phthalate solvent or diluent is 1-3:1, not only convenient for the bonding of extinguishing chemical, compression moulding operation, but also is had good
Good compression moulding quality.
The present invention also provides a kind of methods for preparing above-mentioned hot-gas sol fire extinguishing agent comprising following steps:
Step 1 weighs above-mentioned raw materials component in corresponding ratio respectively, and taken material component is used grinding machine grinding respectively
At powder；Then, 500 meshes are 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 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；
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；
Gained dry material is entered blender by step 4, then carries out remaining epoxy resin with dioctyl phthalate
Dilution, the uniform mixing of blender is added in epoxy resin after dilution, obtains semi-finished product；
Obtained semi-finished product are packed into cylindrantherae, are placed on press bench by step 5, push in 5MPa pressure
It is real, obtain above-mentioned aerosol type extinguishing chemical, it is preferred that cylindrantherae internal diameter is 40mm, high 100mm, charge 50-100g.
And above-mentioned steps one are specific further include: collect in sieving pot and tail over material incorporation next batch solid material
In, and fill back grinding machine grinding.Above-mentioned steps two are specific further include: the whiff pressure of rotary pelleting machine is 0.5MPa, whitewashing
Revolution speed is 5~25rmin-1, feeding machine revolving speed is 5~25rmin-1, dilution zero density is 0.64g/ml, and angle of repose is
32°；The size controlling index of granulation is that final 28-32 purpose must expect that yield is greater than 90%.Cylindrantherae internal diameter in above-mentioned steps five
For 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 is illustrated.Following implementation
Example, the fire suppression applications experiment of hot-gas sol fire extinguishing agent product, is all made of GA499.1-2010 " GAFES " the 1st
Point: method as defined in condensed aerosol fire extinguishing device carries out, and the usage amount of extinguishing chemical is 50g.
Embodiment 1
The composition of raw materials of hot-gas sol fire extinguishing agent are as follows: press mass fraction, calcium bichromate 21%, six calcium borides 15%, xylose
3%, carbon dust 19%, nanometer carboxymethyl cellulose 3%, calcium bicarbonate 21%, copper oxide 13%, ethylenediamine tetra-acetic acid 2%, epoxy
Resin 3% (by the mass ratio of 1:1, is added dioctyl phthalate and makees solvent or diluent dilution).
The product of compression moulding (with one piece of cylindrantherae) is fitted into 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 hot-gas sol fire extinguishing agent are as follows: press mass fraction, calcium bichromate 22%, six calcium borides 12%, xylose
4%, carbon dust 18%, nanometer carboxymethyl cellulose 3%, calcium bicarbonate 20%, copper oxide 14%, ethylenediamine tetra-acetic acid 3%, epoxy
Resin 4% (by the mass ratio of 1:3, is added dioctyl phthalate and makees solvent or diluent dilution).
The product of compression moulding (with one piece of cylindrantherae) is fitted into 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 hot-gas sol fire extinguishing agent are as follows: press mass fraction, calcium bichromate 21%, six calcium borides 12%, xylose
3%, carbon dust 19%, nanometer carboxymethyl cellulose 3%, calcium bicarbonate 20%, copper oxide 16%, ethylenediamine tetra-acetic acid 3%, epoxy
Resin 3% (by the mass ratio of 1:2, is added dioctyl phthalate and makees solvent or diluent dilution).
The product of compression moulding (with one piece of cylindrantherae) is fitted into 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 hot-gas sol fire extinguishing agent are as follows: press mass fraction, calcium bichromate 23%, six calcium borides 12%, xylose
3%, carbon dust 20%, nanometer carboxymethyl cellulose 2%, calcium bicarbonate 17%, copper oxide 17%, ethylenediamine tetra-acetic acid 2%, epoxy
Resin 4% (by the mass ratio of 1:1.5, is added dioctyl phthalate and makees solvent or diluent dilution).
The product of compression moulding (with one piece of cylindrantherae) is fitted into 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 the following table 1.
Comparative example 1
Extinguishing chemical is commercially available S type 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- embodiment 4 and comparative example 1, comparative example 2 carry out fire extinguishing comparative test
The table of comparisons.
Table 1
It is commercially available higher than same type as can be seen that 4 fire extinguishing success rate of embodiment 1- embodiment is 100% from upper table 1
K-type extinguishing chemical and commercially available S type extinguishing chemical product (average out to 62.5%).
Aerosol sustained firing time average required for embodiment 1- embodiment 4 is put out a fire is about 12.4s, same type
Commercially available K-type extinguishing chemical and the required aerosol sustained firing time average of commercially available S type extinguishing chemical product fire extinguishing are about
19.1s.Show that embodiment 1- embodiment 4 is put out a fire the required aerosol sustained firing time, (average value) shortens 35.1%
Left and right.
The specific extinguishing mechanism of the present invention are as follows:
Calcium bicarbonate in composition is thermally decomposed at high temperature, releases a large amount of carbon dioxide, and carbon dioxide is used for
Fire extinguishing；Calcium bicarbonate and calcium carbonate (calcium bicarbonate is by thermal decomposition product) by thermal decomposition process (calcium bicarbonate and calcium carbonate by
Thermal decomposition, a part carry out in aerosol fire-extinguishing device, and catching fire point carries out a part again after ejection) in, it needs to inhale
A large amount of heat is received, can both be reduced the flame temperature of ignition point, auxiliary fire extinguishing, and advantageously reduce aerosol fire-extinguishing device spray
Mouth temperature, is effectively ensured the safety that extinguishing device operates with people, brings and uses upper convenience and safety.Foregoing carbonic acid
Hydrogen calcium and calcium carbonate are by thermal decomposition process, and the reduction of ignition temperature caused by absorbing heat, it is burned that this will further result in comburant
It is reduced for gasifying combustibles molecule and by the incendivity molecular cleavage to have gasified at the heat of free radical in journey, so that ignition point
The speed of (continuation) combustion reaction is centainly inhibited.
Also, original copper oxide in the calcium oxide and component generated after being decomposed due to calcium bicarbonate, can be with comburant
In carbon chemically react, generate carbon dioxide.That is, the combustible component (carbon dust) in comburant is converted to non-combustible
It burns inert gas (carbon dioxide), is conducive to the burning velocity of retarded combustion object, reduces the oxygen content of combustion space, promote fire extinguishing
The raising of speed and efficiency.In addition, comburant is during catching fire (that is, the process for maintaining combustion reaction persistently to carry out
In), it will it is constantly cracked to form a large amount of, combustion continuation and carries out indispensable H, O, OH isoreactivity base of institute
Group.And decomposed under calcium bicarbonate high temperature, original copper oxide in the calcium oxide and component of generation, will respectively with it is above-mentioned these
Active group (that is, H, O, OH isoreactivity group) chemically reacts, so that 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 bichromate, six calcium borides in composition,
Xylose and carbon dust then begin to imperfect combustion, generate a large amount of flue gas, form aerosol after mixing with air；In composition
Nanometer carboxymethylcellulose component, since its is flammable, ignition point is low, and large specific surface area, mainly it is used as combustionregulator.That is,
It is fast in container to promote aerosol fire-extinguishing device preliminary work for igniting/accelerating the burning velocity of combustible component in composition
Speed forms a large amount of aerosol.In hot-gas sol fire extinguishing agent composition, solid inorganic oxides generated are decomposed at high temperature
Particle is covered on kindling body surface, further functions as the effect of kindling body surface starvation, flame is promoted to stop up because of anoxic
Cease the quickening of extinguishing process.
It can be appreciated that the hot aerosol of above-mentioned technical proposal goes out from the analysis of above-mentioned table 1 and embodiment 1- embodiment 4
Fiery agent is fitted into aerosol fire-extinguishing device and (the certain pressure of combustion generated gas, formation in the device), nothing can be used directly
Need pressure reservoir.This effectively improves convenience and safety in the storage and use process of extinguishing chemical, with the prior art
Conventional similar-type products ratio, have comparative advantages very outstanding.
It is above-mentioned about in hot-gas sol fire extinguishing agent extinguishing mechanism explanatory note, related main chemical reactions equation is such as
Under:
Ca(HCO3)2→CaCO3+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
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 conclusion it is not difficult to find out that, it is clearly demarcated with ten between each component of the hot-gas sol fire extinguishing agent of above-mentioned technical proposal
The function and effect of aobvious " division of labor with cooperate " have between each component and significantly act synergistically, cooperate, mutually promote,
So that hot-gas sol fire extinguishing agent has good extinguishing ability and fire-fighting efficiency on the whole.Illustrate hot aerosol fire extinguishing of the invention
The fire-fighting efficiency of agent product, hence it is evident that higher than the commercially available K-type extinguishing chemical of same type and commercially available S type 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, anyone skilled in the art 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 by protection of the invention.
Claims (7)
1. a kind of hot-gas sol fire extinguishing agent, is characterized in that, include: according to parts by weight percentage
2. hot-gas sol fire extinguishing agent according to claim 1, is characterized in that, include: according to parts by weight percentage
3. hot-gas sol fire extinguishing agent according to claim 1, which is characterized in that above-mentioned epoxy resin uses benzene diformazan using preceding
Dioctyl phthalate makees solvent or diluent dilution, wherein the mass ratio of epoxy resin and dioctyl phthalate solvent or diluent is 1-3:1.
4. a kind of method for preparing hot-gas sol fire extinguishing agent 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 meshes are 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, is added to rotation for the 1/3 of epoxy resin total amount
Turn the fluid reservoir of pelletizer；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 epoxy resin 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
Aerosol type extinguishing chemical.
5. the preparation method according to claim 4, which is characterized in that above-mentioned steps A is specific further include: collect sieving pot
In tail in material incorporation next batch solid material, and fill back grinding machine grinding.
6. the preparation method according to claim 4, which is characterized in that above-mentioned steps B is specific further include: rotary pelleting machine
Whiff pressure be 0.5MPa, whitewashing revolution speed be 5~25rmin-1, feeding machine revolving speed is 5~25rmin-1, dilution zero
Density is 0.64g/ml, and angle of repose is 32 °；The size controlling index of granulation is that final 28-32 purpose must expect that yield is greater than 90%.
7. the 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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| RU2006239C1 (en) * | 1992-02-21 | 1994-01-30 | Люберецкое научно-производственное объединение "Союз" | Aerosol-forming fire-extinguishing composition |
| ES2093528T3 (en) * | 1993-03-02 | 1996-12-16 | Du Pont | COMPOSITIONS INCLUDING A HEXAFLUOROPROPANE. |
| DE19909083C2 (en) * | 1998-07-30 | 2002-03-14 | Amtech R Int Inc | Fire extinguishing method and apparatus |
| CN101085400A (en) * | 2007-07-12 | 2007-12-12 | 陕西坚瑞化工有限责任公司 | Aerosol fire fighting composition for preventing and reducing secondary damage to ,electrical installation |
| CN104998367A (en) * | 2014-04-17 | 2015-10-28 | 北京众慧诚科技有限公司 | Burning type fire extinguishing composition |
| CN104072667A (en) * | 2014-06-16 | 2014-10-01 | 山东科技大学 | Synthesis method of forest fire extinguishing agent based on multi-component super absorbent nanometer material |
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2017
- 2017-09-29 CN CN201710905048.0A patent/CN107694001B/en not_active Expired - Fee Related
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