CN118320360A - Easily-decomposed high-performance fire extinguishing coolant for aerosol fire extinguishing agent - Google Patents
Easily-decomposed high-performance fire extinguishing coolant for aerosol fire extinguishing agent Download PDFInfo
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- CN118320360A CN118320360A CN202410237095.2A CN202410237095A CN118320360A CN 118320360 A CN118320360 A CN 118320360A CN 202410237095 A CN202410237095 A CN 202410237095A CN 118320360 A CN118320360 A CN 118320360A
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- coolant
- potassium
- fire extinguishing
- extinguishing
- aerosol
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- 239000002826 coolant Substances 0.000 title claims abstract description 45
- 239000000443 aerosol Substances 0.000 title claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 title claims description 22
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims abstract description 14
- 150000007524 organic acids Chemical class 0.000 claims abstract description 9
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 29
- 238000001035 drying Methods 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 13
- WWTULTKUWBKVGV-UHFFFAOYSA-M potassium;3-methoxy-3-oxopropanoate Chemical compound [K+].COC(=O)CC([O-])=O WWTULTKUWBKVGV-UHFFFAOYSA-M 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 7
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 7
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 7
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- IWHVCHNCTHGORM-UHDJGPCESA-M potassium;(e)-3-phenylprop-2-enoate Chemical compound [K+].[O-]C(=O)\C=C\C1=CC=CC=C1 IWHVCHNCTHGORM-UHDJGPCESA-M 0.000 claims description 6
- RLPQQBNSTHRHEK-UHFFFAOYSA-M potassium;2-ethoxy-2-oxoacetate Chemical compound [K+].CCOC(=O)C([O-])=O RLPQQBNSTHRHEK-UHFFFAOYSA-M 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- GMVIQOCPXTZUFJ-UHFFFAOYSA-L dipotassium;2-ethylpropanedioate Chemical compound [K+].[K+].CCC(C([O-])=O)C([O-])=O GMVIQOCPXTZUFJ-UHFFFAOYSA-L 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- VYYWVGGAJXBBCA-YIRLFHOGSA-K tripotassium;(1s,2s)-1,2-dihydroxypropane-1,2,3-tricarboxylate Chemical compound [K+].[K+].[K+].[O-]C(=O)[C@@H](O)[C@](O)(C([O-])=O)CC([O-])=O VYYWVGGAJXBBCA-YIRLFHOGSA-K 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 229940103091 potassium benzoate Drugs 0.000 claims description 4
- 239000004300 potassium benzoate Substances 0.000 claims description 4
- 235000010235 potassium benzoate Nutrition 0.000 claims description 4
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 claims description 4
- PHZLMBHDXVLRIX-UHFFFAOYSA-M potassium lactate Chemical compound [K+].CC(O)C([O-])=O PHZLMBHDXVLRIX-UHFFFAOYSA-M 0.000 claims description 4
- 239000001521 potassium lactate Substances 0.000 claims description 4
- 229960001304 potassium lactate Drugs 0.000 claims description 4
- 235000011085 potassium lactate Nutrition 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 239000001856 Ethyl cellulose Substances 0.000 claims description 3
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 3
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001249 ethyl cellulose Polymers 0.000 claims description 3
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 3
- 235000016337 monopotassium tartrate Nutrition 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 claims description 3
- 229940086065 potassium hydrogentartrate Drugs 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 5
- 238000010292 electrical insulation Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract 1
- 239000013049 sediment Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000011736 potassium bicarbonate Substances 0.000 description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention develops a novel coolant by taking the organic acid potassium salt and the forming auxiliary agent as raw materials, and compared with the traditional chemical coolant and physical coolant, the novel coolant has obviously improved fire extinguishing capability and electrical insulation property when being used in combination with aerosol, the fire extinguishing capability is increased from 65g/M 3-100 g/m3 to 35g/M 3-47 g/m3, and the electrical insulation property is increased from 0MΩ -20M Ω to 200MΩ -2200M Ω.
Description
Technical Field
The invention belongs to the technical field of fire extinguishment, and particularly relates to an easily-decomposable high-performance fire extinguishing coolant for an aerosol fire extinguishing agent.
Background
When the aerosol fire extinguishing agent is sprayed, intense high-temperature impact flame is generated, in order to ensure the safe use of the aerosol fire extinguishing device or the fire extinguisher, the cooling is realized by adopting a mode of externally adding a cooling agent, and when the aerosol fire extinguishing agent is sprayed, the flame-extinguishing cooling is mainly realized by adopting a physical flame-extinguishing cooling or chemical flame-extinguishing cooling method. When the physical cooling agent such as ceramic balls is adopted, although the flame-extinguishing cooling effect is better, the ceramic balls have very high adsorption effect on the sprayed aerosol, so that the fire extinguishing capability of the aerosol is greatly weakened, while the chemical cooling agent used at present has the main effect of flame-extinguishing cooling, although the influence on the weakening of the fire extinguishing capability of the aerosol is smaller than that of the physical cooling agent such as the ceramic balls, the fire extinguishing capability of the aerosol is weakened as a whole, the main reason is that the cooling agent is firstly melted at high temperature and then decomposed under the continuous effect of high temperature, a large amount of residues are generated, and the melted residues have a blocking effect on the released aerosol fire extinguishing agent, so that the fire extinguishing capability is reduced. In addition, the current coolant plays a role in flame-out cooling or improving electrical insulation, and two parameters cannot be simultaneously considered.
According to the invention, the potassium salt of the organic acid is adopted as the coolant of the aerosol fire extinguishing agent, so that the decomposition efficiency of the coolant is greatly improved compared with an inorganic salt formula, the heat released by spraying the aerosol fire extinguishing agent is fully absorbed, the spraying temperature of a product is effectively reduced, fire extinguishing particles are fully released, the fire extinguishing capability of the product is greatly improved, and the organic particles generated by decomposition have the characteristic of weak hygroscopicity, so that the electrical insulation of sprayed objects is effectively improved.
Disclosure of Invention
The invention provides an easily-decomposable high-performance fire extinguishing coolant for an aerosol fire extinguishing agent, which comprises the following components in parts by mass: 90-100 parts of organic acid potassium salt and 1-10 parts of forming auxiliary agent.
The organic acid potassium salt is two or more of potassium hydrogen tartrate, potassium formate, potassium cinnamate, potassium benzoate, potassium methylmalonate, potassium ethyloxalate, potassium lactate, potassium ethylmalonate and potassium hydroxycitrate.
The forming auxiliary agent is any one of hydroxypropyl methyl cellulose, ethyl cellulose, polyvinyl alcohol, phenolic resin, urea-formaldehyde resin, melamine formaldehyde resin, polyurethane, epoxy resin and carboxymethyl cellulose.
The invention also relates to a preparation method of the easily-decomposable high-performance fire extinguishing coolant for the aerosol fire extinguishing agent, which comprises the following steps of:
S1, uniformly mixing organic acid potassium salt and a forming auxiliary agent;
s2, adding a solvent into the S1 and uniformly mixing;
S3, granulating, drying and tabletting the material obtained in the step S2 to obtain the coolant tablet with the thickness of 6mm multiplied by 6 mm.
And S1, mixing time is 5 min-20 min.
S2, the solvent is one or more of water or ethanol; the mass of the solvent added is 5% -30% of the material obtained in the step S1.
And S2, mixing time is 2 min-10 min.
And S3, the granulating size is 10-30 meshes.
And S3, the drying temperature is 40-70 ℃ and the drying time is 6-48 h.
The invention has the following beneficial effects:
(1) By introducing organic potassium salt containing fire-extinguishing elements, the coolant is decomposed under the action of aerosol generating agent to generate K-fire-extinguishing free radicals, so that the fire-extinguishing capability of the fire-extinguishing device or fire extinguisher is further improved.
(2) The heat released by the combustion of the aerosol generating agent is absorbed when the coolant is decomposed, so that the temperature of the aerosol extinguishing agent during spraying is effectively reduced.
(3) According to the invention, the full organic component is selected, and after the cooling agent is decomposed and settled, the cooling agent still exists in the form of small molecular organic salt, so that the hygroscopicity of aerosol products potassium bicarbonate, potassium carbonate and potassium hydroxide is reduced, the electrical insulation of the settled matters is effectively improved, and the application scene is widened.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention.
The organic acid potassium salt is two or more of potassium hydrogen tartrate, potassium formate, potassium cinnamate, potassium benzoate, potassium methylmalonate, potassium ethyloxalate, potassium lactate, potassium ethylmalonate and potassium hydroxycitrate.
The forming auxiliary agent is any one of hydroxypropyl methyl cellulose, ethyl cellulose, polyvinyl alcohol, phenolic resin, urea-formaldehyde resin, melamine formaldehyde resin, polyurethane, epoxy resin and carboxymethyl cellulose.
Example 1
70 Parts of potassium cinnamate, 20 parts of potassium methylmalonate, 10 parts of potassium ethylmalonate and 5 parts of polyvinyl alcohol.
Weighing the components according to the proportion, mixing for 15min in a mixer, then adding water accounting for 10% of the total mass of the materials as a solvent, mixing for 5min, granulating into 20-mesh granules by a granulator after the mixing, drying for 6-48 h in a drying room at 40-70 ℃, and then tabletting to form the coolant tablet with the mass of 6mm multiplied by 6 mm.
70G of coolant and 35g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Example 2
60 Parts of potassium hydroxycitrate, 30 parts of potassium cinnamate, 10 parts of potassium methylmalonate and 5 parts of phenolic resin.
Weighing the components according to the proportion, mixing for 20-30 min in a mixer, then adding ethanol as a solvent, continuously mixing for 4-7 min, granulating into 20-mesh granules by a granulator after the mixing, drying for 48-72 h in a drying room at 40-60 ℃, and then tabletting to form 6X 6mm tablets.
70G of coolant and 43g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Example 3
50 Parts of potassium ethyl malonate, 40 parts of potassium ethyl oxalate, 10 parts of potassium methyl malonate and 5 parts of hydroxypropyl methyl cellulose.
Weighing the components according to the proportion, mixing for 20-30 min in a mixer, then adding water as a solvent, continuously mixing for 4-7 min, granulating into 20-mesh granules by a granulator after the mixing, drying for 48-72 h in a drying room at 40-60 ℃, and then tabletting to form tablets with the size of 6 multiplied by 6 mm.
70G of coolant and 45g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Example 4
50 Parts of potassium methylmalonate, 40 parts of potassium hydroxycitrate, 10 parts of potassium ethyloxalate and 5 parts of hydroxypropyl methyl cellulose.
Weighing the components according to the proportion, mixing for 20-30 min in a mixer, then adding water as a solvent, continuously mixing for 4-7 min, granulating into 20-mesh granules by a granulator after the mixing, drying for 48-72 h in a drying room at 40-60 ℃, and then tabletting to form tablets with the size of 6 multiplied by 6 mm.
70G of coolant and 43g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Example 5
50 Parts of potassium cinnamate, 40 parts of potassium formate, 10 parts of potassium methylmalonate and 5 parts of hydroxypropyl methyl cellulose.
Weighing the components according to the proportion, mixing for 20-30 min in a mixer, then adding water as a solvent, continuously mixing for 4-7 min, granulating into 20-mesh granules by a granulator after the mixing, drying for 48-72 h in a drying room at 40-60 ℃, and then tabletting to form tablets with the size of 6 multiplied by 6 mm.
70G of coolant and 47g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Example 6
50 Parts of potassium lactate, 40 parts of potassium ethyloxalate, 10 parts of potassium methylmalonate and 5 parts of hydroxypropyl methyl cellulose.
Weighing the components according to the proportion, mixing for 20-30 min in a mixer, then adding water as a solvent, continuously mixing for 4-7 min, granulating into 20-mesh granules by a granulator after the mixing, drying for 48-72 h in a drying room at 40-60 ℃, and then tabletting to form tablets with the size of 6 multiplied by 6 mm.
70G of coolant and 42g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Comparative example 1
70G of aluminosilicate ceramic balls with the diameter of 6mm are assembled, and 100g K type aerosol grains are arranged in a fire extinguishing device, and fire extinguishing test and sediment electrical insulation test are carried out according to XF499.1-2010 standard.
Comparative example 2
70G of the existing L2 coolant with the thickness of 6mm multiplied by 6mm is assembled, and a 65g K type aerosol grain is arranged in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Comparative example 3
60 Parts of potassium benzoate, 20 parts of monopotassium phosphate, 20 parts of potassium bicarbonate and 5 parts of polyvinyl alcohol.
Weighing the components according to the proportion, mixing for 20-30 min in a mixer, then adding water as a solvent, continuously mixing for 4-7 min, granulating into 20-mesh granules by a granulator after the mixing, drying for 48-72 h in a drying room at 40-60 ℃, and then tabletting to form tablets with the size of 6 multiplied by 6 mm.
70G of coolant and 70g K type aerosol grain are assembled in a fire extinguishing device, and fire extinguishing test and sediment electric insulation test are carried out according to XF499.1-2010 standard.
Characterization data and effect data for the products obtained in the above examples and comparative examples are shown in table 1 below.
TABLE 1 characterization data for fire extinguishing Performance of different formulations of coolants
When the novel coolant prepared by the invention is used in combination with aerosol, compared with the traditional chemical coolant and physical coolant, the fire extinguishing capability and the electrical insulation property are obviously improved, the fire extinguishing capability is increased from 65-100g/M 3 to 35-47g/M 3, and the electrical insulation property is increased from 0-20MΩ to 200-2200MΩ.
Claims (9)
1. The easily-decomposable high-performance fire extinguishing coolant for the aerosol fire extinguishing agent is characterized by comprising the following components in parts by mass:
90-100 parts of organic acid potassium salt and 1-10 parts of forming auxiliary agent.
2. The easily decomposable high-performance fire extinguishing coolant for aerosol fire extinguishing agent according to claim 1, wherein the organic acid potassium salt is two or more of potassium hydrogen tartrate, potassium formate, potassium cinnamate, potassium benzoate, potassium methylmalonate, potassium ethyloxalate, potassium lactate, potassium ethylmalonate, and potassium hydroxycitrate.
3. The easily decomposable high-performance fire-extinguishing coolant for aerosol fire-extinguishing agent according to claim 1, wherein the forming aid is any one of hydroxypropyl methyl cellulose, ethyl cellulose, polyvinyl alcohol, phenolic resin, urea-formaldehyde resin, melamine formaldehyde resin, polyurethane, epoxy resin and carboxymethyl cellulose.
4. The preparation method of the easily-decomposable high-performance fire extinguishing coolant for the aerosol fire extinguishing agent is characterized by comprising the following steps of:
S1, uniformly mixing organic acid potassium salt and a forming auxiliary agent;
s2, adding a solvent into the S1 and uniformly mixing;
s3, granulating, drying, tabletting and forming the material obtained in the step S2 to obtain the coolant tablet.
5. The method for preparing the easily-decomposable high-performance fire-extinguishing coolant for the aerosol fire-extinguishing agent according to claim 4, wherein the mixing time of S1 is 5-20 min.
6. The method for preparing the easily decomposable high-performance fire extinguishing coolant for aerosol fire extinguishing agents according to claim 4, wherein the solvent in S2 is one or more of water or ethanol; the mass of the solvent added is 5% -30% of the material obtained in the step S1.
7. The method for preparing the easily-decomposable high-performance fire-extinguishing coolant for the aerosol fire-extinguishing agent according to claim 4, wherein the mixing time of S2 is 2 min-10 min.
8. The method for preparing the easily-decomposable high-performance fire-extinguishing coolant for aerosol fire extinguishing agent according to claim 4, wherein,
And S3, the granulating size is 10-30 meshes.
9. The method for preparing the easily-decomposable high-performance fire-extinguishing coolant for the aerosol fire-extinguishing agent according to claim 4, wherein the drying temperature is 40-70 ℃ and the drying time is 6-48 h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410237095.2A CN118320360A (en) | 2024-03-01 | 2024-03-01 | Easily-decomposed high-performance fire extinguishing coolant for aerosol fire extinguishing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410237095.2A CN118320360A (en) | 2024-03-01 | 2024-03-01 | Easily-decomposed high-performance fire extinguishing coolant for aerosol fire extinguishing agent |
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| CN118320360A true CN118320360A (en) | 2024-07-12 |
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| Country | Link |
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| CN (1) | CN118320360A (en) |
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