CN101376049A - Extinguishment combination with hot gas sol - Google Patents
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- CN101376049A CN101376049A CNA2008101511244A CN200810151124A CN101376049A CN 101376049 A CN101376049 A CN 101376049A CN A2008101511244 A CNA2008101511244 A CN A2008101511244A CN 200810151124 A CN200810151124 A CN 200810151124A CN 101376049 A CN101376049 A CN 101376049A
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Abstract
The invention provides ''a hot aerosol fire-extinguishing composition'' and relates to an oxidative magnesium salt hot aerosol fire-extinguishing composition represented by anhydrous magnesium nitrate. The composition is characterized in that the composition can be magnesium nitrate, magnesium carbonate, or other magnesium salt, and can also be a compound of magnesium nitrate, or other magnesium salt with potassium nitrate, strontium nitrate, or other potassium salt or strontium salt; a reducer can be one of or the combination of a plurality of ammonium carbamidine, dicyandiamide, red prussiate of potash, formamine, triazole, and tetrazole; a capability improver can be magnesium carbonate, manganous carbonate, aluminium powder, powdered carbon, magnesium hydrate, metal oxide, etc.; and the bond adopts phenolic resin, etc. The preparation of the magnesium salt comprises the continuous steps: medium temperature and low pressure dehydration, spray under the protection of nitrogen-oxygen flow or ultrafine grinding of grinded colloid, and microencapsulated hydrophobic treatment, etc. Compared with the prior art, the fire-extinguishing composition has the advantages of low price, extensive source, fire-extinguishing capability of K-type composition, and low causticity and toxicity of the ultimate product of combustion.
Description
Technical field
The invention belongs to the fire-extinguishing composite technical field, relate to a class extinguishment combination with hot gas sol, particularly a class is that the oxidisability magnesium salts of representative is the extinguishment combination with hot gas sol of oxidant with anhydrous nitric acid magnesium.
Technical background
Since last century, the nineties pyrotechnics hot aerosol began to use in the extinguish and anti-explosion field, the research of fire-extinguishing composite is used and has been experienced two developing stage: be the sylvite type extinguishment combination with hot gas sol stage of oxidant with oxidisability sylvite such as potassium nitrate, potassium chlorate, potassium hyperchlorate etc. promptly, as patent UA7773; WO2005023370; US20020121622; US20010011567; DE19915352; US5881209; RU2230726; RU2184587; US2214848; RU2157271; RU2156310; RU2121857; RU2108124; RU2105756 (KClO3); RU2107524; The sylvite type hot aerosol composition of RU2091106 etc. report and be the extinguishment combination with hot gas sol stage of primary oxidant with oxidisability strontium salt such as strontium nitrate is as patent US5613562; US6019861; CN1166996A; CN1739820A; The strontium salt type extinguishment combination with hot gas sol of CN13865541 report.
As everyone knows, the characteristics of sylvite type extinguishment combination with hot gas sol are high-effect fire-extinguishings: extinguishing concentration can be lower than 30g, and (minimum extinguishing concentration as the RU2001647 report is 23-27g/m
3), but it is not suitable for the fire extinguishing of sensitive electrical class machine room, because its ultimate combustion product K
2O is the strong basicity oxide, very easily is fused to water and generates strong alkaline aqueous solution, electric equipments such as precision instrument is caused heavy corrosion, even cause short circuit, damages precision instrument, instrument.The improvement that strontium salt type extinguishment combination with hot gas sol carries out at the corrosivity of sylvite type extinguishment combination with hot gas sol just: replace or after part replaces potassium nitrate with strontium nitrate, combustion product falls sharply to the corrosivity of electrical equipment, and resistivity also reduces (as the report among the CN138 6554) greatly.But show with the contrast experiment of sylvite type hot aerosol extinguishing ability, identical composition, after adopting strontium nitrate as primary oxidant, extinguishing ability is too late to be the identical prescription of primary oxidant with potassium nitrate, the product cost of extinguishing device increases simultaneously, and volume and weight increases.
Summary of the invention
At above-mentioned prior art situation, the object of the present invention is to provide a class cheap, raw material sources are extensive, the extinguishing ability that had both possessed sylvite type hot aerosol composition, has the magnesium salts type extinguishment combination with hot gas sol that ultimate combustion product corrosivity is low, toxicity is little, the electric equipment secondary damage can not take place again, with efficient, lightweight and the environment friendly of realizing the pyrotechnics condensed aerosol fire extinguishing device.
Now design of the present invention and technical solution are described below:
Extinguishment combination with hot gas sol is with the metal model name of primary oxidant, this is because the metal oxide in the primary oxidant is the core that forms hot aerosol fire extinguishing particle: the feature of primary oxidant metal is a decision hot aerosol particle size, the principal element that particle diameter distributes.Magnesium atom is contiguous with sodium atom in period of element; Magnesium atom is the most similar on electron structure to potassium atom; And the atomic weight of the atomic molar ratio potassium of magnesium is littler; Belong to light metal; The oxidized form magnesium salts of equal in quality mark can generate more particulate than oxidized form sylvite, can discharge high-octane available heat particulate quickly.The oxidisability magnesium salts should be a kind of primary oxidant of good aerosol fire-extinguishing composite.Yet, up to now, in the patent of publishing, only generally mention the oxidant of the nitrate of alkaline-earth metal, as US6264772, US5985060 patent application as hot aerosol; The strontium nitrate of only mentioning in the alkaline earth nitrate in the US6019861 patent application is made oxidant; Mention the barium nitrate oxidant in the alkaline earth nitrate in the US5912192 patent application; And the carbonate of magnesium, magnesia and magnesium hydroxide in extinguishment combination with hot gas sol only as performance improver: as in the CA2348644 patent application with magnesium phosphate, antifungin as inhibitor; Mention with the oxide of alkaline-earth metal and hydroxide as cooling agent, as basic magnesium carbonate, magnesium hydroxide; Mention magnesium phosphate in the US5423385 patent application and make additive; Make reducing agent with the magnesium powder; Mention with the magnesium powder in the US6277296 patent application and make burning ratemodifier etc.Still find no so far with magnesium nitrate or other oxidized form magnesium salts as the primary oxidant of aerosol fire-extinguishing composite or any embodiment of oxidant.
Applicant of the present invention is through a large amount of evidences, and when the moisture content of the double salt of magnesium nitrate or other oxidisability magnesium salts or magnesium salts and ammonium salt was lower than 10%, it had good condition as primary oxidant.
According to above-mentioned present situation, the present invention adopts the primary oxidant of the oxidisability magnesium salts of anhydrous or low-water-content as the hot aerosol composition, thereby reach cheap that the present invention is desirable to provide, wide material sources, the extinguishing ability that had both possessed sylvite type composition, the purpose of the aerosol fire-extinguishing composite that the corrosivity that has ultimate combustion product again is low, toxicity is little.
A kind of extinguishment combination with hot gas sol provided by the invention, comprise oxidant, reducing agent, performance improver and adhesive, it is characterized in that: described oxidant is the magnesium salts oxidant, or the mixture of magnesium salts oxidant and oxidisability sylvite, or the double salt of magnesium salts oxidant and ammonium nitrate or other ammonium salt; The moisture content of described magnesium salts oxidant is lower than 10%; Reducing agent is one or more a mixture in guanidine nitrate, nitroguanidine, paraffin, sucrose, starch, aliphatic alcohol or other nitrogen-containing compound; Performance improver is one or more the mixture in aluminium powder, magnesium powder, magnesium aluminum-alloy powder, powdered carbon, the graphite; Adhesive is a phenolic resins, epoxy resin, carboxymethyl cellulose, polyvinyl alcohol phenolic resins, the mixture of one or more in the acrylic resin; Wherein the quality percentage composition of each component is:
Oxidant: 40%-70%
Reducing agent: 20%-50%
Performance improver: 2%-20%
Adhesive: 2%-10%.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: described magnesium salts oxidant is one or more the mixture that is selected from magnesium nitrate, magron, magnesium perchlorate, magnesium permanganate, periodic acid magnesium or hyperbromic acid magnesium.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: described magnesium salts oxidant is a magnesium nitrate.
Extinguishment combination with hot gas sol provided by the invention,, it is characterized in that: the molecular formula of described magnesium nitrate and ammonium nitrate double salts is Mg (No
3)
2X NH
4NO
3, wherein x is 0.1～1.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: described magnesium salts oxidant is through coating or the microencapsulation processing.
Extinguishment combination with hot gas sol provided by the invention, it is characterized in that: in the mixture of described magnesium salts oxidant and oxidisability sylvite, the quality percentage composition of oxidisability sylvite accounts for the 0%-20% of aerosol fire-extinguishing composite gross mass, and oxidisability sylvite is selected from potassium nitrate, potassium chlorate, potassium hyperchlorate, potassium permanganate, potassium nitrite, potassium chromate, potassium bichromate or its combination.
Extinguishment combination with hot gas sol provided by the invention, it is characterized in that: described oxidisability sylvite is partly or entirely replaced by oxidisability strontium salt, oxidisability sodium salt or oxidisability ammonium salt, described oxidisability strontium salt is selected from strontium nitrate, strontium chlorate, perchloric acid strontium, strontium permanganate or its combination, described oxidisability sodium salt is selected from sodium nitrate, sodium chlorate, sodium perchlorate, sodium permanganate or its combination, and described described oxidisability ammonium salt is selected from ammonium nitrate, ammonium perchlorate or its combination.
Extinguishment combination with hot gas sol provided by the invention, it is characterized in that: in the double salt of described magnesium salts oxidant and ammonium nitrate or other ammonium salt, other ammonium salt also can by in potassium nitrate, calcium nitrate, zinc nitrate, the cerous nitrate one or more built-up section or all replace.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: other nitrogen-containing compound is selected from pentaamino tetrazolium and salt, two tetrazolium and salt thereof, triazole, amino-guanidine nitrate, melamine, dicyandiamide, urea, hexa, the nitric acid triaminoguanidine one or more combination.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: described performance improver is also by being selected from carbonate, carboxylic acid and salt thereof, metal oxide or its built-up section or all replacing.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: described carbonate is selected from magnesium carbonate, calcium carbonate, manganese carbonate or its combination; Described carboxylic acid and salt thereof are selected from hydroxybenzoic acid and salt, benzoic acid and salt thereof, palmitic acid and salt thereof, phthalic acid and salt thereof or its combination; Described metal oxide is selected from aluminium oxide, magnesia, zinc oxide, cupric oxide, iron oxide or its combination; Described hydroxide is magnesium hydroxide, zinc hydroxide or its combination.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: described adhesive is also by being selected from polytetrafluoroethylene (PTFE), ethylene low polymer, nitrocellulose or its built-up section or all replacing.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: the particle maximum average diameter of described oxidant, reducing agent, performance improver is in 150 μ m, and preferred diameter is in 50 μ m.
Extinguishment combination with hot gas sol provided by the invention is characterized in that: the moisture content optimum efficiency of magnesium salts type oxidant is below 2%.
The present invention has carried out the calculating of science and a large amount of tests to the prescription of the anhydrous magnesium salts pyrotechnic gas of oxidisability sol composition, and serviceability and effect and comparison example are listed in table 1.
Table 1 oxidisability magnesium salts type hot aerosol composition components, performance and effect
Annotate 1: the corrosion and damage test is that the red copper of 10 * 10 * 1mm PVC plastics testing plate and 20 * 50mm and aluminium sample board are placed in the aerosol sealing fire-extinguishing test space, after corresponding aerosol composition startup has discharged, leave standstill 20min and take out observation of plastics testing plate and test.Current mark does not appear in plastic sample plate surface, model weightening finish＜0.5.Insulaion resistance is not less than 20M Ω, promptly thinks no corrosion and damage.Green point or blue corrosion pit do not appear in red copper sample board surface; Corrosion pits such as whiting do not appear in aluminium sample board surface, then think non-corrosiveness.
Annotate 2: toxicity test is the observed result of fire extinguishing smog placement after 20 minutes that 20 small white mouses (10 public affairs, 10 mothers) is placed aerosol sealing space, fire-extinguishing test chamber diverse location.
Several groups of contrast experiment's data by table 1 show:
Substitute potassium nitrate with anhydrous nitric acid magnesium and make oxidant, its extinguishing ability (g/m3 represents with extinguishing concentration) is roughly suitable, and to be better than with the strontium nitrate be the extinguishing ability of oxidants with composition;
Relatively grain burning rate is that the roughly the same grain burning rate of primary oxidant is suitable with the roughly the same grain burning rate that is primary oxidant with potassium nitrate with the magnesium nitrate, and than being that roughly the same the combustion speed of powder column is much higher for primary oxidant with the strontium nitrate;
The toxicity of comparative composition: be respectively that primary oxidant is roughly the same in the powder column smog with above-mentioned three kinds of oxidants, when adopting dicyandiamide and potassium ferricyanide large percentage, the death rate of small white mouse is higher, reduces its consumption, increase other combustible ratio, can reach the toxicity safety index.
The corrosivity of comparative composition: with the magnesium nitrate be behind the composition burn of primary oxidant sedimental corrosivity to be lower than with potassium nitrate be sedimental corrosivity behind the composition burn of primary oxidant; Also be lower than with the strontium nitrate is sedimental corrosivity and damageability behind the composition burn of primary oxidant: promptly can accomplish not have corrosion and not have damageability; This is because the water insoluble event of magnesia.This is the maximum characteristics of this based composition.
This shows, the distinct advantage that the present invention compares with prior art is: have with potassium nitrate be the suitable extinguishing ability of primary oxidant extinguishment combination with hot gas sol, and it is harmless that electrical equipment is not had burn into, is applicable to following sealing fire extinguishing place more: fire extinguishing place such as the engine chamber of computer floor, post and telecommunications machine room, Generators, boats and ships, aircraft, train, automobile, freight house, control room.
From experiment widely, find that other oxidized form magnesium salts such as magron and magnesium perchlorate can be used with potassium nitrate, magnesium nitrate, or strontium nitrate, potassium chlorate, the potassium hyperchlorate of part replacement.Comparative test result is listed in table 1 (continuing).
Table 1 (continuing)
*Test method is with table 1 note.
Table 1 (continuing) data clearly show: replace strontium nitrate with anhydrous nitric acid magnesium, and replaced by magron, magnesium perchlorate in the composition of corresponding potassium chlorate, potassium hyperchlorate, additive can be magnesium carbonate, magnesia etc.; This based composition fires fast corresponding quickening when toxicity is suitable, non-corrosiveness, and fire-fighting efficiency improves greatly.
The superiority that the present invention compares with prior art is:
1. magnesium salts type extinguishment combination with hot gas sol has the advantage of sylvite type and strontium salt type two class fire-extinguishing composites concurrently.
2. the magnesium salts raw material sources are extensive, and are cheap.
3. the oxidized form magnesium salts that is provided by preparation technology of the present invention can guarantee that water content is below≤0.5%;
4. the dry oxidation type magnesium salts superfines after hydrophobic is handled can be at room temperature and other composition composition hybrid process, can guarantee the hyperoxia voltinism of oxidisability magnesium salts and the high extinguishing property of composition, no burn into nonhazardous performance.
The specific embodiment
The following examples are, and only are for the present invention is described; Table 1 content only is concentrating and giving an example of a large amount of experimental datas, limits technical essential of the present invention absolutely not or limits claim scope of the present invention.
The experiment of embodiment is at 2m
3Carry out in the iron airtight aerosol distribution experimental box of square.The square normal heptane lamp (in adorn commercially available heptane, 2/3 is water in the lamp) that is provided with four standard Φ 100 * 100 on this experimental box wall is altogether being established another heptane lamp on the ground behind the plate washer of door left side, and corresponding every lamp is established monitoring camera.The experiment cartridge case places the ground center position; The start-up point live wire is stretched out outside the case by sidewall, and corrosivity test board and toxicity test mouse cage place the dodge gate right side, close dodge gate after, with 6 volts of start battery composition cartridge cases; Timing, and from monitor screen observation fire extinguishing situation.Behind the composition after-flame 20min, open the observation that chamber door carries out corrosivity and toxicity test.
Embodiment 1
Present embodiment is the amplification and the expansion of test number 2 in the table 1.The composition of composition and quality percentage composition thereof are among this embodiment:
Magnesium nitrate 50%～60%
The potassium ferricyanide 7%～10%
Dicyandiamide 20%～30%
Magnesium carbonate 5%～20%
Phenolic resins 2%～5%
Compare with the performance of 1 composition of test number in the table 1, the performance of numbering 2 compositions is obviously superior than composition 1, fire-fighting efficiency height and non-corrosiveness.
Embodiment 2
Present embodiment 2 is amplification and expansions of numbering 4 in the table 1.The composition of composition and quality percentage composition thereof are among this embodiment:
Magnesium nitrate 40%～55%
Guanidine nitrate 40%～45%
Magnesium carbonate 5%～15%
Phenolic resins 2%～5%
This embodiment obviously is better than numbering 3 Comparative Examples: combustion speed does not increase, and combustion deposit does not have corrosion; Extinguishing ability is suitable with numbering 3.
Embodiment 3
Present embodiment is the amplification and the expansion of numbering 6 in the table 1.The composition of composition and quality percentage composition thereof are among this embodiment:
Potassium nitrate 10%～30%
Magnesium nitrate 30%～40%
Guanidine nitrate 20%～40%
Magnesium carbonate 10%～20%
Aluminium powder 2%～8%
Carbon dust 0%～5%
Phenolic resins 2%～5%
Compare with numbering 5 Comparative Examples, said composition shows: magnesium nitrate is in that the identical prescription when shared has close corrosion and damage and toxicity with potassium nitrate; But combustion speed is accelerated, and extinguishing ability improves.
Embodiment 4
This experimental example is the amplification and the expansion of the numbering 12 in the table 2.The composition of composition and quality percentage composition thereof are among this embodiment:
Potassium nitrate 5%～20%
Magnesium nitrate 30%～50%
Magron 0%～10%
Magnesium perchlorate 0%～10%
Guanidine nitrate 20%～40%
Dicyandiamide 5%～10%
Aluminium powder 2%～6%
Carbon dust 2%～5%
Magnesium carbonate 10%～20%
Phenolic resins 2%～6%
Compare with the Comparative Examples of numbering 11 in the table 2: the clear superiority of present embodiment is: combustion speed is accelerated, and extinguishing ability improves, and toxicity does not have change.
Embodiment 5
Present embodiment is the amplification and the expansion of numbering 14 experiments in the table 2.The composition of composition and quality percentage composition scope thereof are among this embodiment:
Strontium nitrate 25%～35%
Magnesium nitrate 30%～50%
Magnesium perchlorate 0%～20%
Aluminium powder 2%～6%
Carbon dust 2%～5%
Magnesium carbonate 10%～20%
Phenolic resins 2%～6%
Compare with the result of Comparative Examples in the table 2 13, non-corrosiveness damages in the present embodiment, and combustion speed improves, and foamite amount reduces.
Embodiment 6
Present embodiment is amplification and the expansion of numbering 20 embodiment in the table 2.The composition of composition and quality percentage composition thereof are among this embodiment:
Magnesium nitrate 25%～55%
Magron 0%～20%
Guanidine nitrate 20%～45%
Magnesia 10%～20%
Phenolic resins 3%～6%
Compare with the experimental result of Comparative Examples numbering 19 in the table 2, the advantage of present embodiment is not have corrosion and damage, and combustion speed is accelerated, and foamite amount reduces.
Annotate: used magnesium salts is with dry oxidation magnesium salts preparation technology of the present invention and produces in the above-mentioned prescription.
Embodiment 7
This experimental example is the amplification and the expansion of the numbering 21 in the table 2.The composition of composition and quality percentage composition thereof are among this embodiment:
The double salt 40%-70% of magnesium nitrate and ammonium nitrate
Hexa 20%-40%
Aluminium oxide 0-15%
Magnesia 2%-10%
Epoxy resin: 2%-5%.
Claims (22)
1. extinguishment combination with hot gas sol, comprise oxidant, reducing agent, performance improver and adhesive, it is characterized in that: described oxidant is the magnesium salts oxidant, or the mixture of magnesium salts oxidant and oxidisability sylvite, or the double salt of magnesium salts oxidant and ammonium nitrate or other ammonium salt; The moisture content of described magnesium salts oxidant is lower than 10%; Described reducing agent is one or more a mixture in guanidine nitrate, nitroguanidine, paraffin, sucrose, starch, aliphatic alcohol or other nitrogen-containing compound; Described performance improver is one or more the mixture in aluminium powder, magnesium powder, magnesium aluminum-alloy powder, powdered carbon or the graphite; Described adhesive is one or more the mixture in phenolic resins, epoxy resin, carboxymethyl cellulose, polyvinyl alcohol phenolic resins or the acrylic resin; Wherein the quality percentage composition of each component is in the composition:
Oxidant: 40%-70%
Reducing agent: 20%-50%
Performance improver: 2%-20%
Adhesive: 2%-10%.
2. extinguishment combination with hot gas sol according to claim 1 is characterized in that: described magnesium salts oxidant is the mixture that is selected from magnesium nitrate, magron, magnesium perchlorate, magnesium permanganate, periodic acid magnesium or the hyperbromic acid magnesium one or more.
3. extinguishment combination with hot gas sol according to claim 1 is characterized in that: described magnesium salts oxidant is a magnesium nitrate.
4. extinguishment combination with hot gas sol according to claim 3 is characterized in that: the molecular formula of described magnesium nitrate and ammonium nitrate double salts is Mg (NO
3)
2XNH
4NO
3, wherein x is 0.1～1.
, according to the arbitrary described extinguishment combination with hot gas sol of claim 1 to 3, it is characterized in that: described magnesium salts oxidant is handled through coated or microencapsulation.
6. according to the arbitrary described extinguishment combination with hot gas sol of claim 1 to 3, it is characterized in that: in the mixture of described magnesium salts oxidant and oxidisability sylvite, the quality percentage composition of oxidisability sylvite accounts for the 0%-20% of aerosol fire-extinguishing composite gross mass.
7. extinguishment combination with hot gas sol according to claim 6 is characterized in that:, oxidisability sylvite is selected from potassium nitrate, potassium chlorate, potassium hyperchlorate, potassium permanganate, potassium nitrite, potassium chromate, potassium bichromate or its combination.
8. according to the arbitrary described extinguishment combination with hot gas sol of claim 1 to 3, it is characterized in that: described oxidisability sylvite is partly or entirely replaced by oxidisability strontium salt, oxidisability sodium salt or oxidisability ammonium salt, described oxidisability strontium salt is selected from strontium nitrate, strontium chlorate, perchloric acid strontium, strontium permanganate or its combination, described oxidisability sodium salt is selected from sodium nitrate, sodium chlorate, sodium perchlorate, sodium permanganate or its combination, and described described oxidisability ammonium salt is selected from ammonium nitrate, ammonium perchlorate or its combination.
9. extinguishment combination with hot gas sol according to claim 6, it is characterized in that: described oxidisability sylvite is partly or entirely replaced by oxidisability strontium salt, oxidisability sodium salt or oxidisability ammonium salt, described oxidisability strontium salt is selected from strontium nitrate, strontium chlorate, perchloric acid strontium, strontium permanganate or its combination, described oxidisability sodium salt is selected from sodium nitrate, sodium chlorate, sodium perchlorate, sodium permanganate or its combination, and described described oxidisability ammonium salt is selected from ammonium nitrate, ammonium perchlorate or its combination.
10. according to the arbitrary described extinguishment combination with hot gas sol of claim 1 to 3, it is characterized in that: in the double salt of described magnesium salts oxidant and ammonium nitrate or other ammonium salt, other ammonium salt also by in potassium nitrate, calcium nitrate, zinc nitrate, the cerous nitrate one or more built-up section or all replace.
11., it is characterized in that to 4 arbitrary described extinguishment combination with hot gas sol according to claim 1 to 31: described other nitrogen-containing compound is selected from pentaamino tetrazolium and salt, two tetrazolium and salt thereof, triazole, amino-guanidine nitrate, melamine, dicyandiamide, urea, hexa or the nitric acid triaminoguanidine one or more combination.
12., it is characterized in that to 4 arbitrary described extinguishment combination with hot gas sol according to claim 1 to 101: described performance improver is also by being selected from carbonate, carboxylic acid and salt thereof, metal oxide, metal hydroxides or its built-up section or all replacing.
13. according to the described extinguishment combination with hot gas sol of claim 112, it is characterized in that: described carbonate is selected from magnesium carbonate, calcium carbonate, manganese carbonate or its combination; Described carboxylic acid and salt thereof are selected from hydroxybenzoic acid and salt, benzoic acid and salt thereof, palmitic acid and salt thereof, phthalic acid and salt thereof or its combination; Described metal oxide is selected from aluminium oxide, magnesia, zinc oxide, cupric oxide, iron oxide or its combination; Described metal hydroxides is magnesium hydroxide, zinc hydroxide or its combination.
14., it is characterized in that to 4 arbitrary described hot aerosol compositions according to claim 1 to 101: described adhesive is also by being selected from polytetrafluoroethylene (PTFE), ethylene low polymer, nitrocellulose or its built-up section or all replacing.
15. according to the described extinguishment combination with hot gas sol of aforementioned arbitrary claim, it is characterized in that: the particle maximum average diameter of described oxidant, reducing agent, performance improver is in 150 μ m, and preferred diameter is in 50 μ m.
16. according to the described extinguishment combination with hot gas sol of aforementioned arbitrary claim, the moisture content that it is characterized in that magnesium salts type oxidant is below 5%, and is best below 2%.
17. according to the described extinguishment combination with hot gas sol of claim 1312, it is characterized in that: each component and the quality percentage composition thereof of said composition are:
Magnesium nitrate 40%～55%
Guanidine nitrate 40%～45%
Magnesium carbonate 5%～15%
Phenolic resins 2%～5%.
18. the extinguishment combination with hot gas sol according to claim 1312 is characterized in that: each component and the quality percentage composition thereof of said composition are:
Potassium nitrate 10%～30%
Magnesium nitrate 30%～40%
Guanidine nitrate 20%～-40%
Magnesium carbonate 10%～20%
Aluminium powder 2%～8%
Powdered carbon 0%～5%
Phenolic resins 2%～5%.
19. according to the described extinguishment combination with hot gas sol of claim 1312, it is characterized in that: each component and the quality percentage composition thereof of said composition are:
Potassium nitrate 5%～20%
Magnesium nitrate 30%～50%
Magron 0%～10%
Magnesium perchlorate 0%～10%
Guanidine nitrate 20%～40%
Aluminium powder 2%～6%
Powdered carbon 2%～5%
Magnesium carbonate 10%～20%
Phenolic resins 2%～6%.
20. according to the described extinguishment combination with hot gas sol of claim 1312, it is characterized in that: each component and the quality percentage composition thereof of said composition are:
Strontium nitrate 25%～35%
Magnesium nitrate 30%～50%
Potassium hyperchlorate 0%～20%
Aluminium powder 2%～6%
Powdered carbon 2%～5%
Magnesium carbonate 10%～20%
Phenolic resins 2%～6%.
21. according to the described extinguishment combination with hot gas sol of claim 1312, it is characterized in that: each component and the quality percentage composition thereof of said composition are:
Magnesium nitrate 25%～55%
Potassium chlorate 0%～20%
Guanidine nitrate 20%～45%
Magnesia 10%～20%
Phenolic resins 3%～6%.
22. according to the described extinguishment combination with hot gas sol of claim 1312, it is characterized in that: each component and the quality percentage composition thereof of said composition are:
The double salt 40%-70% of magnesium nitrate and ammonium nitrate
Hexa 20%-45%
Aluminium oxide 0-15%
Magnesia 2%-15%
Epoxy resin: 2%-10%.
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| CN101927070A (en) * | 2010-07-23 | 2010-12-29 | 钟海顺 | Novel hot aerosol extinguishing agent and preparation method thereof |
| 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 |
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Assignee: XI'AN XIN'SI CHEMICAL EQUIPMENT MANUFACTURING Co.,Ltd. Assignor: SHAANXI J & R FIRE FIGHTING Co.,Ltd. Contract record no.: 2011610000188 Denomination of invention: Extinguishment combination with hot gas sol Granted publication date: 20110727 License type: Exclusive License Open date: 20090304 Record date: 20110921 |
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