CN107823835A - A kind of compound salty ultra-fine dry powder extinguishing agent and preparation method thereof - Google Patents
A kind of compound salty ultra-fine dry powder extinguishing agent and preparation method thereof Download PDFInfo
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- CN107823835A CN107823835A CN201711234827.9A CN201711234827A CN107823835A CN 107823835 A CN107823835 A CN 107823835A CN 201711234827 A CN201711234827 A CN 201711234827A CN 107823835 A CN107823835 A CN 107823835A
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- dry powder
- fine dry
- salty
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses a kind of compound salty ultra-fine dry powder extinguishing agent and preparation method thereof, the extinguishing chemical consists of the following components in percentage by weight：35%~55% APP, 5%~20% ammonium carbonate, 10%~30% magnesia, 5%~20% aluminum oxide, 0.5%~4% carclazyte, 0.5%~3.2% white carbon, 0.5%~8% mica powder, 0.3%~0.6% dewatering nano silica, 0.15%~1.2% containing hydrogen silicone oil, 0.25%~0.8% surfactant.Raw material of the present invention is easy to get, and preparation technology is simple, pollution-free, is easy to industrialized production；Dewatering nano silica is added, improves ultra-fine dry powder mobility and dispersiveness；It is small to process granularity, fire extinguishing effectiveness is preferable, and humidity resistance and anti-caking performance are high, are not easy to reunite, storage year limit for length.
Description
Technical field
The invention belongs to extinguishing chemical field, and in particular to a kind of powder extinguishing agent, more particularly to it is a kind of compound salty ultra-fine
Powder extinguishing agent and preparation method thereof.
Background technology
Burning is a kind of violent chain type oxidation reaction carried out by living radical constantly transmission.In powder extinguishing agent
Activity fire extinguishing component catches and terminates free radical caused by combustion reaction, the speed of combustion reaction is reduced, when dry powder in flame
Agent concentration is sufficiently high, sufficiently large with the contact area of flame, and free radical stops the speed that speed is more than combustion reaction generation,
Looping combustion reaction is terminated, so as to fray-out of flame.Therefore, the activity fire extinguishing constituent content of powder extinguishing agent and particle diameter are to determine
The core of powder extinguishing agent efficiency.
Ultra-fine dry powder extinguishing agent is that 90% particle diameter is less than or equal to 20 μm of solid powder extinguishing agent.Existing ABC surpasses
Thin powder extinguishing agent is mainly the ABC ultra-fine dry powder extinguishing agents using ammonium dihydrogen phosphate as base material, though the ABC ultra-fine dry powder extinguishing agents
Right parameters can meet the requirement of GA578-2005 standards, but its particle diameter is still larger, and submerged extinguishing effect is poor, fire extinguishing
Efficiency is low；Its main material ammonium dihydrogen phosphate used easily moisture absorption, soluble in water, in extinguishing chemical preparation process, technique is more multiple
Miscellaneous, extinguishing chemical easily forms lump, easily extinguishing chemical is failed under moister, vibration environment.
The content of the invention
It is an object of the invention to provide a kind of compound salty ultra-fine dry powder extinguishing agent, its is environmentally friendly, and fire extinguishing effectiveness is high,
Good fluidity.
To achieve these goals, the present invention adopts the following technical scheme that：A kind of compound salty ultra-fine dry powder extinguishing agent, by
Following components in percentage by weight forms：35%~55% APP, 5%~20% ammonium carbonate, 10%~30%
Magnesia, 5%~20% aluminum oxide, 0.5%~4% carclazyte, 0.5%~3.2% white carbon, 0.5%~8% cloud
Female powder, 0.3%~0.6% dewatering nano silica, 0.15%~1.2% containing hydrogen silicone oil, 0.25%~0.8% table
Face activating agent.
Preferably, a kind of compound salty ultra-fine dry powder extinguishing agent, is consisted of the following components in percentage by weight：45% it is poly-
Ammonium phosphate, 15% ammonium carbonate, 20% magnesia, 10% aluminum oxide, 3.5% carclazyte, 2% white carbon, 2.8%
Mica powder, 0.45% dewatering nano silica, 0.8% containing hydrogen silicone oil, 0.45% surfactant.
Preferably, described surfactant is fluorocarbon surfactant.
Preferably, the average grain diameter of described fluorocarbon surfactant is less than 2 μm.
Preferably, described APP, ammonium carbonate, magnesia, the average grain diameter of aluminum oxide are less than 2 μm.
The preparation method of above-mentioned compound salty ultra-fine dry powder extinguishing agent, comprises the steps：
(1) APP, ammonium carbonate, magnesia, aluminum oxide cross 80 mesh sieves through Reynolds flour mill coarse powder；
(2) APP of corase grind, ammonium carbonate, magnesia, aluminum oxide are entered together with carclazyte, white carbon, mica powder
Micronizer, which is crushed to, requires that particle diameter is less than 2 μm；
(3) above-mentioned powder material is added into coating machine, sprayed into containing hydrogen silicone oil in powder material under stirring, heating
To 60~70 DEG C of reactions 10~15min, 80~150r/min of rotating speed；
(4) it is coated with what surfactant addition step (3) obtained in the powder material of silicon oil membrane, is sufficiently mixed, stirs
Mix and 80~100 DEG C of reactions 10~15min, 80~150r/min of rotating speed are warming up under state；
(5) dewatering nano silica is added in the powder material that step (4) obtains, first turned in 25~60r/min
Speed 5~15min of lower mixing, then mixes 20~40min, control material temperature is no more than under 250~400r/min rotating speed
45 DEG C, then be warming up to 100~120 DEG C and continue 10~15min of stirring, 30~60r/min of rotating speed, it is dried to regulation moisture；Produce
Ultra-fine dry powder extinguishing agent.
Technical scheme has the advantages that：
1st, raw material is easy to get, and preparation technology is simple, pollution-free, is easy to industrialized production；
2nd, dewatering nano silica is added, improves ultra-fine dry powder mobility and dispersiveness；
3rd, it is small to process granularity, fire extinguishing effectiveness ideal, humidity resistance and anti-caking performance are high, are not easy to reunite, storage year limit for length.
Embodiment
Embodiment 1
A kind of compound salty ultra-fine dry powder extinguishing agent, is consisted of the following components in percentage by weight：35% APP,
20% ammonium carbonate, 30% magnesia, 5% aluminum oxide, 0.5% carclazyte, 0.5% white carbon, 8% mica powder,
0.6% dewatering nano silica, 0.15% containing hydrogen silicone oil, 0.25% fluorocarbon surfactant.
The preparation method of above-mentioned compound salty ultra-fine dry powder extinguishing agent, comprises the steps：
(1) APP, ammonium carbonate, magnesia, aluminum oxide cross 80 mesh sieves through Reynolds flour mill coarse powder；
(2) APP of corase grind, ammonium carbonate, magnesia, aluminum oxide are entered together with carclazyte, white carbon, mica powder
Micronizer, which is crushed to, requires that particle diameter is less than 2 μm；
(3) above-mentioned powder material is added into coating machine, sprayed into containing hydrogen silicone oil in powder material under stirring, heating
To 60~70 DEG C of reactions 10~15min, 80~150r/min of rotating speed；
(4) it is coated with what fluorocarbon surfactant addition step (3) obtained in the powder material of silicon oil membrane, it is fully mixed
Close, 80~100 DEG C of reactions 10~15min, 80~150r/min of rotating speed are warming up under stirring；
(5) dewatering nano silica is added in the powder material that step (4) obtains, first turned in 25~60r/min
Speed 5~15min of lower mixing, then mixes 20~40min, control material temperature is no more than under 250~400r/min rotating speed
45 DEG C, then be warming up to 100~120 DEG C and continue 10~15min of stirring, 30~60r/min of rotating speed, it is dried to regulation moisture；Produce
Ultra-fine dry powder extinguishing agent.
Embodiment 2
A kind of compound salty ultra-fine dry powder extinguishing agent, is consisted of the following components in percentage by weight：45% APP,
15% ammonium carbonate, 20% magnesia, 10% aluminum oxide, 3.5% carclazyte, 2% white carbon, 2.8% mica powder,
0.45% dewatering nano silica, 0.8% containing hydrogen silicone oil, 0.45% fluorocarbon surfactant.
The preparation method of above-mentioned compound salty ultra-fine dry powder extinguishing agent is the same as embodiment 1.
Embodiment 3
A kind of compound salty ultra-fine dry powder extinguishing agent, is consisted of the following components in percentage by weight：55% APP,
5% ammonium carbonate, 10% magnesia, 20% aluminum oxide, 4% carclazyte, 3.2% white carbon, 0.5% mica powder,
0.3% dewatering nano silica, 1.2% containing hydrogen silicone oil, 0.8% fluorocarbon surfactant.
The preparation method of above-mentioned compound salty ultra-fine dry powder extinguishing agent is the same as embodiment 1.
Claims (6)
1. a kind of compound salty ultra-fine dry powder extinguishing agent, it is characterised in that consist of the following components in percentage by weight：35%~
55% APP, 5%~20% ammonium carbonate, 10%~30% magnesia, 5%~20% aluminum oxide, 0.5%~
4% carclazyte, 0.5%~3.2% white carbon, 0.5%~8% mica powder, 0.3%~0.6% dewatering nano dioxy
SiClx, 0.15%~1.2% containing hydrogen silicone oil, 0.25%~0.8% surfactant.
2. compound salty ultra-fine dry powder extinguishing agent according to claim 1, it is characterised in that by following percentage by weight
Component forms：45% APP, 15% ammonium carbonate, 20% magnesia, 10% aluminum oxide, 3.5% carclazyte,
2% white carbon, 2.8% mica powder, 0.45% dewatering nano silica, 0.8% containing hydrogen silicone oil, 0.45% table
Face activating agent.
3. compound salty ultra-fine dry powder extinguishing agent according to claim 1 or 2, it is characterised in that described surface-active
Agent is fluorocarbon surfactant.
4. compound salty ultra-fine dry powder extinguishing agent according to claim 3, it is characterised in that described fluoro-carbon surface active
The average grain diameter of agent is less than 2 μm.
5. compound salty ultra-fine dry powder extinguishing agent according to claim 1 or 2, it is characterised in that described APP,
Ammonium carbonate, magnesia, the average grain diameter of aluminum oxide are less than 2 μm.
A kind of 6. preparation method of compound salty ultra-fine dry powder extinguishing agent according to claim 1 or 2, it is characterised in that
Comprise the steps：
(1) APP, ammonium carbonate, magnesia, aluminum oxide cross 80 mesh sieves through Reynolds flour mill coarse powder；
(2) APP of corase grind, ammonium carbonate, magnesia, aluminum oxide are entered into ultra micro together with carclazyte, white carbon, mica powder
Pulverizer, which is crushed to, requires that particle diameter is less than 2 μm；
(3) above-mentioned powder material is added into coating machine, containing hydrogen silicone oil is sprayed into powder material under stirring, is warming up to 60
~70 DEG C of reactions 10~15min, 80~150r/min of rotating speed；
(4) it is coated with the powder material of silicon oil membrane, is sufficiently mixed by what surfactant addition step (3) obtained, stirs shape
80~100 DEG C of reactions 10~15min, 80~150r/min of rotating speed are warming up under state；
(5) dewatering nano silica is added in the powder material that step (4) obtains, first under 25~60r/min rotating speed
5~15min is mixed, 20~40min is then mixed under 250~400r/min rotating speed, control material temperature is no more than 45 DEG C,
100~120 DEG C are warming up to again and continues 10~15min of stirring, 30~60r/min of rotating speed, are dried to regulation moisture；Produce ultra-fine dry
Powder extinguishing chemical.
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| CN201711234827.9A CN107823835A (en) | 2017-11-30 | 2017-11-30 | A kind of compound salty ultra-fine dry powder extinguishing agent and preparation method thereof |
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| CN201711234827.9A CN107823835A (en) | 2017-11-30 | 2017-11-30 | A kind of compound salty ultra-fine dry powder extinguishing agent and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837365A (en) * | 2018-09-17 | 2018-11-20 | 蚌埠市龙泰消防有限公司 | A kind of preparation method of composite dry powder extinguishing chemical |
| CN109224359A (en) * | 2018-09-17 | 2019-01-18 | 蚌埠市龙泰消防有限公司 | A kind of High Efficiency Superfine dry powder fire extinguishing agent |
| RU2748844C1 (en) * | 2020-11-19 | 2021-05-31 | Общество с ограниченной ответственностью "СИНТЕЗ ГРУПП" | Fire-extinguishing granules of combined principle of action, method for producing fire-extinguishing granules and fire-extinguishing product containing such granules |
| CN115192955A (en) * | 2022-08-02 | 2022-10-18 | 九江中船长安消防设备有限公司 | Efficient three-phase foam extinguishing agent and preparation method thereof |
-
2017
- 2017-11-30 CN CN201711234827.9A patent/CN107823835A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837365A (en) * | 2018-09-17 | 2018-11-20 | 蚌埠市龙泰消防有限公司 | A kind of preparation method of composite dry powder extinguishing chemical |
| CN109224359A (en) * | 2018-09-17 | 2019-01-18 | 蚌埠市龙泰消防有限公司 | A kind of High Efficiency Superfine dry powder fire extinguishing agent |
| RU2748844C1 (en) * | 2020-11-19 | 2021-05-31 | Общество с ограниченной ответственностью "СИНТЕЗ ГРУПП" | Fire-extinguishing granules of combined principle of action, method for producing fire-extinguishing granules and fire-extinguishing product containing such granules |
| CN115192955A (en) * | 2022-08-02 | 2022-10-18 | 九江中船长安消防设备有限公司 | Efficient three-phase foam extinguishing agent and preparation method thereof |
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