CN1064818A - A kind of fire-extinguishing agent for forest and method for making thereof - Google Patents
A kind of fire-extinguishing agent for forest and method for making thereof Download PDFInfo
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- CN1064818A CN1064818A CN 92106471 CN92106471A CN1064818A CN 1064818 A CN1064818 A CN 1064818A CN 92106471 CN92106471 CN 92106471 CN 92106471 A CN92106471 A CN 92106471A CN 1064818 A CN1064818 A CN 1064818A
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- particle
- extinguishing
- dry powder
- centronucleus
- fire
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Abstract
A kind of fire-extinguishing agent for forest, by production technologies such as pulverizing, granulation, coatings, making particle diameter is 0.5～1.5 millimeter, grain heavily is 1.5～2 milligrams a graininess powder extinguishing agent, the centronucleus of particle is made up of acid ammonium phosphate salt and ammonium sulfate, account for 80～85% of particle total amount, centronucleus has a clad outward, also is added with 0.5～2% anticaking agent in the particle powder extinguishing agent.This medicament can be used with blasting jet forest extinguishing device, also can be made into fire extinguisher bomb.Use this medicament both can play suppression fire extinguishing effect, but and subsequent explosion decompose, form separation layer at the burning things which may cause a fire disaster root.The fire-fighting efficiency height is difficult for resume combustion after flame puts out, can extensive use in forest extinguishing.
Description
The present invention relates to the extinguishing chemical field, more specifically the say so extinguishing chemical used about a kind of forest extinguishing and the improvement of production technology thereof.
Existing powder extinguishing agent, having with sodium acid carbonate, saleratus and urea is the BC class powder extinguishing agent of base-material, also having with ammonium dihydrogen phosphate (ADP), ammonium sulfate, potassium acid sulfate is the ABCD class powder extinguishing agent etc. of base-material.Make the fine pressed powder of a kind of drying by these components through grinding.The dry powder chemical extinguishing chemical of producing like this is used to put out a forest fire, because powder size is very thin, a large amount of powder are blown away along with blast and strong wind.Powder can not arrive the burning things which may cause a fire disaster root of burning surface, and the extinguishing chemical consumption is big, but can not give full play to the fire extinguishing effect of extinguishing chemical.
The object of the present invention is to provide a kind of forest extinguishing that is suitable for, the effective dry chemical powder extinguishing chemical of putting out a fire.
Solution of the present invention is that to set about said dry powder from the composition that changes the dry powder chemical extinguishing chemical and micrograined texture be not fine pressed powder, is 0.5～1.5 millimeter dry powder particle but make a kind of particle diameter.Said dry powder particle has a centronucleus that accounts for particle total amount 80～85%, also has a clad on the centronucleus surface.For preventing that dry powder from producing caking phenomenon in storing, and also is added with 0.5～2%(weight % in the dry powder) anticaking agent.It is loose that the powder extinguishing agent of making like this can keep in storage, good fluidity.
The centronucleus that an important feature of the present invention is said dry powder particle is made up of acid ammonium phosphate salt and ammonium sulfate, and both ratios are 1.2～1.5: 1.Wherein the content of acid ammonium phosphate salt accounts for 45～50%(weight % of particle total amount).And the content of ammonium sulfate accounts for 35～45% of total amount.
The clad of said dry powder particle wherein contains compositions such as barium sulfate, silica, trichloro-ethylene, silicones, dibutyl tin dilaurate and pigment.Its content ratio is: barium sulfate accounts for 44～47%, and silica accounts for 30～37%, and trichloro-ethylene accounts for 10～15%, and silicones accounts for 5～10%, and dibutyl tin dilaurate accounts for 0.3～1%, pigment a little.So just constitute extinguishing chemical dry powder particle of the present invention, this particle grain size is 0.5～1.5 millimeter and preferably is controlled at 0.8～1.2 millimeter.This dry powder particle increases greatly than the weight of common dry powder attritive powder, is generally 1.5～2 milligrams/.For preventing that powder extinguishing agent from luming in storing, the present invention is an anticaking agent with a kind of talcum powder and mica powder mixture, and both ratios are 1: 1, so just constitute said fire-extinguishing agent for forest.
The production stage that the present invention prepares fire-extinguishing agent for forest comprises:
(a) barium sulfate, silica, trichloro-ethylene, silicones, dibutyl tin dilaurate and pigment are mixed in proportion, under agitation heat gel, gelatinization temperature is controlled at 90～110 ℃, makes covering.
(b) acid ammonium phosphate salt and ammonium sulfate are pulverized, made granularity less than 0.1 millimeter, fully mix in proportion, mix the medicine temperature and be not higher than 70 ℃, the centronucleus of dry powder particle is made in granulation thereafter.
(c) under constantly stirring, the covering that (a) made takes advantage of heat to join equably on the centronucleus that (b) step makes, and makes centronucleus wrap one deck clad, and mixed medicine temperature is about 60～70 ℃.
(d) add anticaking agent at last
Can be mixed with particle diameter by the manufacture method of fire-extinguishing agent for forest provided by the invention is 0.8～1.2 millimeter, and particle weight is 1.5～2 milligrams/a graininess powder extinguishing agent, uses in the portable forest extinguishing device that CN912315059 provides.The particle powder extinguishing agent is drawn in the injector, from the nozzle ejection, sprays to the scene of a fire together with the air of suction.Because dry powder particle diameter of the present invention is big, every dry powder is easy to enter the burning things which may cause a fire disaster root than great under the propelling of injector air stream.The impulsive force of dry powder particle also plays a suppression fire extinguishing effect to flare, has improved fire extinguishing and has renderd a service.Dry powder is pressed close to after the burning things which may cause a fire disaster root, activity-NH under flame because in the centronucleus
2The initiation reaction of base, dry powder particle is blasted once more and is emitted a large amount of gases, and forms flame-out separation layer at the burning things which may cause a fire disaster root, plays effective fire extinguishing effect.
The extinguishing chemical that the present invention is mixed with can also be made a kind of fire extinguisher bomb, is used for fire extinguishing with delivery mode.For example use a paper web packaging bag, every the 0.5 kilogram of medicament of packing into, the fire extinguisher bomb of launching during use, in the flame sky, paper web is burnt to break, and the dry powder particle of the inside relies on the gravity of self to scatter on the burning things which may cause a fire disaster, forms the fire extinguishing separation layer, produces the fire extinguishing effect.Certainly can also make fire extinguisher bomb with additive method.
Done fire extinguishing effectiveness mensuration according to the professional standard ZBC84006-87 of People's Republic of China (PRC) regulation.Do the fire attack test with the portable forest extinguishing device of CN91231505.9 and extinguishing chemical of the present invention, 15 ℃ of environment temperatures, wind speed is greater than 5 meter per seconds, and jet length can reach 7～8 meters, is 100% to the rate of putting out of A, category-B fire.
The invention will be further described to use a concrete instance below again.
In a reactor, drop into 46 kilograms in barium sulfate, stir down and drops into 31 kilograms in silica respectively, 14.6 kilograms of trichloro-ethylenes, 8 kilograms of silicones, 0.4 kilogram of dibutyl tin dilaurate and red pigment a little.Be heated to 100 ℃, 100 kilograms of said coverings are made in gel under agitation 80 minutes.
In the another blending tank, drop into 48 kilograms of ammonium dihydrogen phosphate (ADP)s, 36 kilograms in ammonium sulfate (both granularities are all less than 0.1 millimeter) fully mixes.Add suitable amount of adhesive and carry out granulation, the control particle diameter is made said centronucleus at 0.6～1 millimeter.Evenly add 15 kilograms of coverings then gradually, continue fully to mix, make centronucleus wrap one deck clad, the dry powder particle diameter of making is in 0.8～1.2 millimeter scope, the weight of particle is 1.5～2 milligrams/, add 1 kilogram of anticaking agent at last, stir, so just make fire-extinguishing agent for forest of the present invention.
The extinguishing chemical of so making can directly use in CN91231505.9 forest extinguishing device, if pack with a kind of little paper bag or other modes, makes the parcel of about 0.5 kilogram of portion, promptly can be used as fire extinguisher bomb and uses.
Advantage of the present invention is clearly.The present invention is by manufacture crafts such as granulation, coatings, and making particle diameter is 0.5～1.5 millimeter, and grain heavily is 1.5～2 milligrams a graininess powder extinguishing agent.Overcome the defective of micro-solid powder in the prior art, be not easy to be blown away by blast.Cooperate CN91231505.9 forest extinguishing device to use, both can play the effect of suppression fire extinguishing, dry powder particle is near after the burning things which may cause a fire disaster simultaneously, the particle decomposition reaction of further blasting in the scene of a fire, form separation layer at the burning things which may cause a fire disaster root, so the fire-fighting efficiency height, and the comburant that is extinguished is difficult for revivable.Production technology of the present invention is simple, and cost is low, and low equipment investment has tangible economic benefit and social benefit.
Further specify the present invention with several embodiment more below, be not confined to this several example ranges certainly.
Example 12345
Composition weight %
Barium sulfate 7.9 8.5 7.0 5.8 7.5
Silica 5.45 7.3 5.1 5.1 5.5
Trichloro-ethylene 2.5 2.0 1.85 2.0 2.0
Silicones 1.0 1.15 1 1.0 0.9
Dibutyl February 0.15 0.15 0.05 0.1 0.1
Cinnamic acid tin
Dyestuff a little
Phosphoric acid dihydro amine 47 46 48 50 45
Ammonium sulfate 35 34 36 35 38
Talcum powder 0.3 0.5 0.5 0.3 0.7
Mica powder 0.7 0.4 0.5 0.2 0.3
Performance
0.8～1.2 millimeter of size distribution mm
Distribution of weight mg 1.6～1.8 1.8～2 1.5～1.7 1.5～1.7 1.6～1.8
Moisture content % 0.2 0.2 0.2 0.2 0.2
Fire extinguishing effectiveness % 100 100 100 100 100
Claims (11)
1, a kind of powder extinguishing agent that is used for forest extinguishing, it is characterized in that dry powder particle directly is 0.5～1.5 millimeter in the said extinguishing chemical, also contain in the dry powder in order to prevent the anticaking agent of particle caking, its content is 0.5～2% (weight %) of total amount, said dry powder particle has a centronucleus that accounts for particle total amount 80～85%, also has a bag to carry out layer on the surface of centronucleus.
2, according to the described powder extinguishing agent of claim 1, it is characterized in that the centronucleus of said dry powder particle is made up of acid ammonium phosphate salt and ammonium sulfate, both ratios are 1.2～1.5: 1.
3, according to claim 1,2 described powder extinguishing agents, it is characterized in that the content of the acid ammonium phosphate salt in the dry powder particle centronucleus accounts for 45～50%(weight of gross weight).
4, according to claim 1,2 described powder extinguishing agents, it is characterized in that the content of the ammonium sulfate in the dry powder particle centronucleus accounts for 35～45%(weight of total amount).
5, according to the described powder extinguishing agent of claim 1, it is characterized in that the clad on the dry powder particle contains components such as barium sulfate, silica, trichloro-ethylene, silicones, dibutyl tin dilaurate and pigment, its content ratio is:
Barium sulfate 44-47
Silica 30-37
Trichloro-ethylene 10-15
Silicon tree 5-10
Dibutyl tin dilaurate 0.3-1
Pigment a little
6,, it is characterized in that said dry powder particle particle diameter is 0.8～1.2 millimeter according to the described powder extinguishing agent of claim 1.
7, according to the described powder extinguishing agent of claim 1, the weight that it is characterized in that said dry powder particle is 1.5～2 milligrams/.
8, according to the described powder extinguishing agent of claim 1, it is characterized in that said anticaking agent is made up of talcum powder and mica powder, both ratios are 1: 1.
9, according to the production method of the described powder extinguishing agent of claim 1, it is characterized in that:
(a) barium sulfate, silica, trichloro-ethylene, silicones, dibutyl tin dilaurate and pigment are evenly mixed in proportion, stir gel, make covering.
(b) acid ammonium phosphate salt and ammonium sulfate are ground into the powder of granularity less than 0.1mm, after fully mixing in proportion, the centronucleus of dry powder particle is made in granulation.
(c) in the blending tank that the dry powder centronucleus is housed, drop into covering, fully mix.
(d) sneak into anticaking agent again.
10, according to the described production method of claim 9, it is characterized in that
(e) the gelatinization reaction temperature is 90～110 ℃ in the operating procedure (a).
(f) mixing temperature must not be higher than 70 ℃ in the operating procedure (b).
(g) mixing the medicine temperature in the operating procedure (c) is 60～70 ℃.
11, the extinguishing chemical of making according to claim 1,9 is characterized in that with this dry powder particle extinguishing chemical being that base-material can also be made fire extinguisher bomb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106471 CN1064818A (en) | 1992-04-16 | 1992-04-16 | A kind of fire-extinguishing agent for forest and method for making thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106471 CN1064818A (en) | 1992-04-16 | 1992-04-16 | A kind of fire-extinguishing agent for forest and method for making thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1064818A true CN1064818A (en) | 1992-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92106471 Pending CN1064818A (en) | 1992-04-16 | 1992-04-16 | A kind of fire-extinguishing agent for forest and method for making thereof |
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| CN (1) | CN1064818A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999026698A1 (en) * | 1997-11-21 | 1999-06-03 | Chaohai Zhou | Multipurpose dry powder of extinguishing agent for class a, b, c and d fires |
| CN102179026A (en) * | 2010-09-16 | 2011-09-14 | 陕西坚瑞消防股份有限公司 | Fire extinguishing composition generating extinguishant by pyrolysis |
| US8865014B2 (en) | 2010-09-16 | 2014-10-21 | Xi'an J&R Fire Fighting Equipment Co., Ltd. | Fire extinguishing composition generating fire extinguishing substance by high temperature sublimation |
| US8871110B2 (en) | 2010-09-16 | 2014-10-28 | Xi'an J&R Fire Fighting Equipment Co., Ltd. | Composition generating fire extinguishing substance through chemical reaction of ingredients at high temperature |
| CN108905038A (en) * | 2018-08-27 | 2018-11-30 | 安徽理工大学 | It is a kind of based on the secondary micro-capsule extinguishing chemical and preparation method thereof shed of shock wave |
| CN111111081A (en) * | 2020-01-17 | 2020-05-08 | 刘大为 | Special fire-fighting remote fire-extinguishing particle and preparation method thereof |
-
1992
- 1992-04-16 CN CN 92106471 patent/CN1064818A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999026698A1 (en) * | 1997-11-21 | 1999-06-03 | Chaohai Zhou | Multipurpose dry powder of extinguishing agent for class a, b, c and d fires |
| CN102179026A (en) * | 2010-09-16 | 2011-09-14 | 陕西坚瑞消防股份有限公司 | Fire extinguishing composition generating extinguishant by pyrolysis |
| CN102179026B (en) * | 2010-09-16 | 2012-06-27 | 陕西坚瑞消防股份有限公司 | Fire extinguishing composition generating extinguishant by pyrolysis |
| US8865014B2 (en) | 2010-09-16 | 2014-10-21 | Xi'an J&R Fire Fighting Equipment Co., Ltd. | Fire extinguishing composition generating fire extinguishing substance by high temperature sublimation |
| US8871110B2 (en) | 2010-09-16 | 2014-10-28 | Xi'an J&R Fire Fighting Equipment Co., Ltd. | Composition generating fire extinguishing substance through chemical reaction of ingredients at high temperature |
| US9199108B2 (en) | 2010-09-16 | 2015-12-01 | Xi'an J&R Fire Fighting Equipment Co., Ltd. | Fire extinguishing composition generating fire extinguishing substance through high-temperature decomposition |
| CN108905038A (en) * | 2018-08-27 | 2018-11-30 | 安徽理工大学 | It is a kind of based on the secondary micro-capsule extinguishing chemical and preparation method thereof shed of shock wave |
| CN108905038B (en) * | 2018-08-27 | 2020-07-03 | 安徽理工大学 | Micro-capsule fire extinguishing agent based on secondary shock wave throwing and preparation method thereof |
| CN111111081A (en) * | 2020-01-17 | 2020-05-08 | 刘大为 | Special fire-fighting remote fire-extinguishing particle and preparation method thereof |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
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