CN1475287A - Mineral material fire extinguishing dry powder - Google Patents
Mineral material fire extinguishing dry powder Download PDFInfo
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- CN1475287A CN1475287A CNA021389330A CN02138933A CN1475287A CN 1475287 A CN1475287 A CN 1475287A CN A021389330 A CNA021389330 A CN A021389330A CN 02138933 A CN02138933 A CN 02138933A CN 1475287 A CN1475287 A CN 1475287A
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- fire
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- mineral material
- material fire
- dry powder
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Abstract
A fire-extinguishing dry powder of mineral material is prepared from vermiculite and additive through crushing vermiculite, proportionally mixing with additive, drying at 80-100 deg.C for 1-1.5 hr, adding additive and screening. It features that when it is heated to 180 deg.C, its volume can expand by 6-10 times while become a new substance to cover on the burning object for isolating oxygen.
Description
Technical field
The present invention relates to the fire-fighting equipment technical field, specifically a kind of mineral material fire-fighting powder.
Background technology
Existing fire-fighting fire extinguishing material is the salt chemical products, that is: phosphate, and the Amino group powder that sulfate and reaction of sodium bicarbonate produce sprays by the fire-fighting equipment commandment and to be used for fire extinguishing.After yet this salt dry powder is penetrated, can only make combustion space anoxic in blink, alleviate the burning situation, when ignition temperature reaches more than 200 ℃, it will decompose volatilization, at this moment the comburant in the scene of a fire is because of heat effect resume combustion heavily again, and the disadvantage in the practicality that Here it is is so its fire extinguishing is not thorough, particularly after the large tracts of land fire suppression, pollute ground, increase the salt alkali content of soil, influence plant growth.
The dry powder of this in addition salt chemical materials has the shortcoming of unsurmountable easy moisture absorption caking, the long slightly caking that makes moist of time, and fire extinguisher can't spray, thereby fire extinguisher uses the term of validity restricted, cause the waste that consumes voluntarily, with its fire extinguishing, kindling material is also had selection simultaneously.
Summary of the invention
The objective of the invention is to design a kind of nonhygroscopic, can put out any big fire, do not have the mineral material fire-fighting powder of any pollution.
Mineral material fire-fighting powder weight percentages of the present invention is:
Vermiculite deposit (n) 30＜n＜100, the additive remainder.
Additive in Wuhan three combination worker Co., Ltds on sale.
The technology of mineral material fire-fighting powder of the present invention is:
At first in small, broken bits vermiculite deposit, after screening reaches 80 target standards, the fusion certain proportion of additive, under 80 ℃-100 ℃ temperature, dry 1～1.5 hour, and then be equipped with additive by a certain percentage, and through screening, check, packing is dispatched from the factory.
The advantage of mineral material fire-fighting powder of the present invention is: its main component of mineral material fire-fighting powder is that the mineral material with multifrequency nature is composited, its maximum characteristics are to expand voluntarily after fire-fighting powder is heated, high more since 180 ℃ of expansion temperatures, the coefficient of expansion is big more, and volume enlarges 6-10 rapidly doubly, generates a kind of novel substance, cover on the comburant, the oxygen supply of isolated comburant makes it to extinguish, and demonstrates good fire extinguishing effect.Simultaneously natural nonhygroscopic of this class fire-fighting powder do not lump, and remaining rarefaction, do not influence fire-fighting equipment and sprays, and therefore, uses and is not subjected to time restriction, when fighting a fire, do not select kindling material, in all putting out.
This fire-fighting powder is to various water-soluble flammable inflammable liquids and gases fire, the charging equipment fire can both put out, especially to the more apparent advantage of large tracts of land (forest) fire, can not produce any toxic action afterwards yet, can not produce any pollution to human body, atmosphere and soil, it is a kind of more satisfactory environmental protection extinguish material.
The specific embodiment
Embodiment one:
The 300Kg vermiculite deposit is in small, broken bits, screening reaches standard 80 order fine powders, the additive that adds 100Kg then in the fine powder mixes, the baking oven of putting into 80 ℃ toasted after 1-1.5 hour, took out to add the 600Kg additive again, fully mixed, sieve with 80 mesh sieve, by the standard of dispatching from the factory test qualified after, the packing, the warehouse-in, prepare to dispatch from the factory.
Embodiment two:
The 700Kg vermiculite deposit is in small, broken bits, screening reaches standard 80 order fine powders, the additive that adds 50Kg then in the fine powder mixes, the baking oven of putting into 100 ℃ toasted after 1-1.5 hour, took out to add the 250Kg additive again, fully mixed, sieve with 80 mesh sieve, by the standard of dispatching from the factory test qualified after, the packing, the warehouse-in, prepare to dispatch from the factory.
Embodiment three:
The 900Kg vermiculite deposit is in small, broken bits, screening reaches standard 80 order fine powders, the additive that adds 36Kg then in the fine powder mixes, the baking oven of putting into 90 ℃ toasted after 1-1.5 hour, took out to add the 64Kg additive again, fully mixed, sieve with 80 mesh sieve, by the standard of dispatching from the factory test qualified after, the packing, the warehouse-in, prepare to dispatch from the factory.
Claims (2)
1, a kind of mineral material fire-fighting powder is characterized in that:
Weight percentages is: vermiculite deposit (n) 30＜n＜100,
The additive remainder.
2, a kind of mineral material fire-fighting powder technology, it is characterized in that: at first in small, broken bits vermiculite deposit, after screening reaches standard, the fusion certain proportion of additive, under 80 ℃-100 ℃ temperature, dry 1～1.5 hour, and then be equipped with additive by a certain percentage, dispatch from the factory through screening, check, packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021389330A CN1475287A (en) | 2002-08-15 | 2002-08-15 | Mineral material fire extinguishing dry powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021389330A CN1475287A (en) | 2002-08-15 | 2002-08-15 | Mineral material fire extinguishing dry powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1475287A true CN1475287A (en) | 2004-02-18 |
Family
ID=34147312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021389330A Pending CN1475287A (en) | 2002-08-15 | 2002-08-15 | Mineral material fire extinguishing dry powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1475287A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104271201A (en) * | 2012-03-30 | 2015-01-07 | 古德温公开有限公司 | Fire extinguisher and fire extinguisher medium |
-
2002
- 2002-08-15 CN CNA021389330A patent/CN1475287A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104271201A (en) * | 2012-03-30 | 2015-01-07 | 古德温公开有限公司 | Fire extinguisher and fire extinguisher medium |
| CN104271201B (en) * | 2012-03-30 | 2017-05-17 | 古德温公开有限公司 | Fire extinguisher and fire extinguisher medium |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |