CN108421205A - A kind of fire extinguishant compositions of the trifluoro propene containing bromo - Google Patents
A kind of fire extinguishant compositions of the trifluoro propene containing bromo Download PDFInfo
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- CN108421205A CN108421205A CN201710081539.8A CN201710081539A CN108421205A CN 108421205 A CN108421205 A CN 108421205A CN 201710081539 A CN201710081539 A CN 201710081539A CN 108421205 A CN108421205 A CN 108421205A
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- fire
- bromo
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- fire extinguishant
- foam
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Classifications
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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
- A62D1/0028—Liquid extinguishing substances
- A62D1/005—Dispersions; Emulsions
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
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- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
A kind of fire extinguishant compositions of the trifluoro propene containing bromo, including 50 52wt% of bromo trifluoro propene, 20 22wt% of sulfur hexafluoride, 10 30wt% of detoxification substance, 10 30wt% of unsaturated oils and covering flavoring agent 1wt%；The detoxification substance is selected from citral, citronellal, phytol or squalene, and the unsaturation oils is selected from palmitoleic acid, leukotrienes or ricinoleic acid.Fire-fighting efficiency of the present invention is high, and good environmental protection, hypotoxicity can be effective for all kinds of fire.
Description
Technical field
The present invention relates to fire extinguishant compositions of a kind of trifluoro propene containing bromo and preparation method thereof, belong to fire prevention neck
Domain.
Background technology
Traditional Theory of Combustion (triangular burner is theoretical) thinks that combustion process is fuel, oxygen and thermal energy three elements
Interaction process.To knock down the flame, it is necessary to remove one in three elements, that is, remove fuel, starvation or cooling.Most
Nearly research thinks that other than above three fundamental, combustion process is with four elements --- free radical, this i.e. tetrahedron
Theory of Combustion or free radical Theory of Combustion.The theory thinks, the effective carrier of combustion process is hydrogen, hydroxy and oxygen, wherein
Hydrogen and hydroxy exist with radical form, they are present in the free radical chain reactions of combustion process, due to this reaction
Speed is exceedingly fast, to control flame growth rate.Certainly in combustion, other free radicals are also had to occur, only its
His free radical does not have hydroperoxyl radical and hydroxyl free radical active.
In numerous type firing-fighting mediums, for gas extinguishing agent since its extinguishing concentration is relatively low, blow-off velocity is fast, puts out a fire without residual
It stays equal many merits and is widely used.Extinguishing chemical is mainly the following used at present：Halon fire agent, HFC
Class extinguishing chemical and miscellaneous agent.
Imperial (transliteration of Halon) is breathed out, refers to just the chemicals for belonging to alkyl halide.It is by capturing free radical and destroying flame
The extinguishing chemical of contact surface, which reaches good extinguishing effect, makes burning chain interruption burn.The widely used halon fire agent of fire protection sector
It is the substance that ozone is lost, is one of the main arch-criminal for destroying ozone layer.When people are put out a fire or trained with halon extinguisher, dragon is breathed out
Gas with regard to being discharged into air naturally.Breathe out dragon and contain chlorine and bromine, in an atmosphere by solar radiation after, decomposite chlorine, bromine
Free radical, these chemical active radicals are combined the oxygen atom seized in ozone molecule with ozone, cause a destructive chain
Formula is reacted, and ozone layer is made to be destroyed, and to reduce ozone concentration, generates Ozone hole.Breathe out the survival service life of dragon in an atmosphere
Decades-long, it will continue even longer time decades in stratosphere to the destruction of ozone layer.Therefore it is right to breathe out dragon
The destruction of ozone layer is huge.1989, Montreal agreement has been signed in the world, and developed country opens from nineteen ninety-five
Begin, developing country was forbidden to use the extinguishing chemical for breathing out dragon series since 2005.Mainly breathing out dragon system can destroy in air
Ozone layer.
And replacement breathes out the extinguishing chemical of dragon, the mainly extinguishing chemical of HFC classes.HFC classes, such as heptafluoro-propane (HFC227ea),
Hexafluoropropane etc..Heptafluoro-propane (HFC-227ea/FM200) be one kind based on inhibition, have concurrently physics fire extinguishing effect it is clean
Net gas extinguishing agent；It is colourless, tasteless, less toxic, non-conductive, does not pollute protected object, will not be made to property and accurate facility
At damage；B, C class fire and appliance fire can be reliably put out with lower extinguishing concentration；Storage space is small, critical-temperature
Height, critical pressure is low, the storage of liquefiable at normal temperatures；Particle or oily residue are free of after release, to atmospheric ozone layer without broken
Bad effect (ODP values are zero) is 31~42 years in the atmosphere residence time, not degradable.Due to heptafluoro-propane without containing chlorine or
To atmospheric ozone layer destruction will not occur for bromine, so being employed to replace the Kazakhstan dragon firing-fighting medium to environmental hazard.But seven
It although fluoro-propane is more stable at room temperature, still can decompose at high temperature, decompose and generate hydrogen fluoride, have pungent taste
Road.Other combustion products further include carbon monoxide and carbon dioxide.That is, the extinguishing chemical of HFC series has greenhouse effects
Problem, developed country have begun phased out use.We are national, although there is presently no provide against to use.But from length
It far sees, is certain to affected in use.
The replacement gas fire-extinguishing medium of a new generation, such as 2- bromo- 3, not only extinguishing property is high for 3,3- trifluoro propenes (2-BTP),
And contain unsaturated double-bond in molecule, it is easy to degrade in an atmosphere, air is survived short life, greenhouse effect value and ozone depletion value
It is all zero, is a kind of more satisfactory gas extinguishing agent.
Invention content
The present invention provides a kind of fire extinguishant compositions of the trifluoro propene containing bromo, including bromo trifluoro propene 50-52wt%,
Sulfur hexafluoride 20-22wt%, detoxification substance 10-30wt%, unsaturated oils 10-30wt% and covering flavoring agent 1wt%；It is described
Detoxification substance be selected from citral, citronellal, phytol or squalene, it is described unsaturation oils be selected from palmitoleic acid, leukotrienes or
Ricinoleic acid.Covering flavoring agent is lemon oil.The bromo trifluoro propene is the bromo- 3,3,3- trifluoro propenes of 2-.
The fire extinguishant compositions can suffocate burning things which may cause a fire disaster around burning things which may cause a fire disaster full of a space, and the viscosity of the mixture determines
Rapid dispersion of the extinguishing chemical in entire space.Antidote and unsaturated oils each contribute to the dispersion of extinguishing chemical, to effectively carry
Its high fire-fighting efficiency.
Inert gas can be also mixed in composition.The inert gas is N2, Ar or CO2.The composition can be used as dry powder,
The propellant of fire foam.Wherein, dry powder is sodium bicarbonate powder, potassium bicarbonate powder, potassium chloride dry powder, potassium sulfate are done
Powder, Amino group powder.Foam is protein foam, fluoroprotein foam, aqueous film-forming foam, alcohol foam.
One kind prevents in occluded air region, the method for controlling and putting out a fire, and contains the non-self flammable material for supporting type
Material, it, which is included in the air of the closed area, imports fire extinguishant compositions as described in claim 1, and it is every to present in an amount at least sufficient to imparting
The thermal capacity of mole total oxygen is to inhibit the burning of combustible material in the closed area, and fire extinguishant compositions are protected in the closed area
It holds in 10%-25%.
Above-mentioned fire extinguishant compositions are used for the purposes of portable fire extinguisher propellant, it is characterised in that by sufficient amount plus
Enter makes it pressure is at least 150 pounds/inch at 21 DEG C to provide in the portable fire extinguisher2。
The preparation of 2-BTP uses chemical method, and using trifluoro propene and bromine, as raw material, addition obtains under the effect of the catalyst
Elimination reaction is carried out in aqueous slkali to 1,2-3,3,3- trifluoro propane of intermediate product, then by intermediate product, through distilation
Obtain the bromo- 3,3,3- trifluoro propenes of product 2-.
Sulfur hexafluoride is obtained by simple substance fluoride and the direct chemical combination of sulphur.Reaction can also generate the fluorination of other fluorides such as ten two of sulphur
Sulphur after it being made to be disproportionated by heating, then removes remaining sulfur tetrafluoride with naoh treatment and purifies.
Detoxification substance used in this application, unsaturated oils and covering flavoring agent are commercial product.
The fire extinguishant compositions of the application, it have desirable extremely low consumption ozone property, can fire-fighting fire extinguishing and
Ozone layer can be protected；And has the characteristics that fire extinguishing is efficiently cheap, be suitble to put out different occasion fire of different nature.Its
Usual state and extinguishing chemical are exposed under the degradation state formed in fire, and greenhouse effects are low, are had with extinguishing chemical flooding agent same
The performance of sample.
Specific implementation mode
Embodiment 1
Fire extinguishant compositions 1, by bromo- 3,3,3- trifluoro propene 50wt% of 2-, sulfur hexafluoride 20wt%, citral
15wt%, palmitoleic acid 14wt% and lemon oil 1wt% compositions.
Embodiment 2
Fire extinguishant compositions 2, by bromo- 3,3,3- trifluoro propene 52wt% of 2-, sulfur hexafluoride 22wt%, citronellal
12wt%, leukotrienes 13wt% and lemon oil 1wt% compositions.
Embodiment 3
Fire extinguishant compositions 3, by bromo- 3,3,3- trifluoro propene 50wt% of 2-, sulfur hexafluoride 20wt%, phytol
11wt%, ricinoleic acid 13wt%, lemon oil 1wt% and nitrogen 5wt% compositions.
Embodiment 4
Fire extinguishant compositions 4, by bromo- 3,3,3- trifluoro propene 52wt% of 2-, sulfur hexafluoride 22wt%, squalene
10wt%, palmitoleic acid 10wt%, lemon oil 1wt% and carbon dioxide 5% form.
Comparative example 5
Fire extinguishant compositions 5, by bromo- 3,3,3- trifluoro propene 52wt% of 2- and sulfur hexafluoride 48wt% compositions.
Comparative example 6
Fire extinguishant compositions 6, by bromo- 3,3,3- trifluoro propene 100wt% compositions of 2-.
Comparative example 7
Fire extinguishant compositions 7 are made of sulfur hexafluoride 100wt%.
Comparative experiments
In a particular experiment, in the laboratory that a size is 0.5 × 3 × 3 meters, wherein there is the crucible of seven standards
Stove uses total length for 3 meters of overflow pipe, overflow processing is carried out to it.Using the composition and comparative example of embodiment 1-4
5-7 can be such that crucible stove extinguishes by pipeline within the time less than 10 seconds, respectively 7.1 seconds, 6.9 seconds, 3.2 seconds,
4.3 seconds, 8.9 seconds, 9.3 seconds and 9.6 seconds.Wherein, the time used in embodiment 3 is most short.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of fire extinguishant compositions of trifluoro propene containing bromo, including bromo trifluoro propene 50-52wt%, sulfur hexafluoride 20-
22wt%, detoxification substance 10-30wt%, unsaturated oils 10-30wt% and covering flavoring agent 1wt%；The detoxification substance choosing
From citral, citronellal, phytol or squalene, the unsaturation oils is selected from palmitoleic acid, leukotrienes or ricinoleic acid.
2. fire extinguishant compositions as described in claim 1, which is characterized in that can also be mixed with 1-5% inert gases, the bromo
Trifluoro propene is 2- bromo- 3, and 3,3- trifluoro propenes, the covering flavoring agent is lemon oil.
3. fire extinguishant compositions as described in claim 1, which is characterized in that composition is by 2- bromo- 3,3,3- trifluoro propenes
50wt%, sulfur hexafluoride 20wt%, detoxification substance 11wt%, unsaturated oils 13wt% and covering flavoring agent 1wt%, indifferent gas
Body 5wt% compositions.
4. fire extinguishant compositions as claimed in claim 2 or claim 3, which is characterized in that the inert gas is N2, Ar or CO2。
5. purposes of the fire extinguishant compositions as dry powder, the propellant of fire foam as described in one of claim 1-4.
6. purposes as claimed in claim 5, which is characterized in that dry powder is sodium bicarbonate powder, potassium bicarbonate powder, potassium chloride
Dry powder, potassium sulfate dry powder, Amino group powder.
7. purposes as claimed in claim 5, which is characterized in that foam be protein foam, fluoroprotein foam, aqueous film-forming foam,
Alcohol foam.
8. one kind prevents in occluded air region, the method for controlling and putting out a fire, the combustible material containing non-self support type,
It is included in the fire extinguishant compositions imported in the air of the closed area as described in one of claim 1-4, presents in an amount at least sufficient to tax
The thermal capacity of every mole of total oxygen is given to inhibit the burning of combustible material in the closed area, extinguishing chemical combines in the closed area
Object is maintained at 10%-25%.
9. the fire extinguishant compositions as described in one of claim 1-4 are used for the purposes of the propellant of portable fire extinguisher,
Be characterized in that being added by sufficient amount makes it pressure is at least 150 pounds/inch at 21 DEG C to provide in the portable fire extinguisher2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081539.8A CN108421205A (en) | 2017-02-15 | 2017-02-15 | A kind of fire extinguishant compositions of the trifluoro propene containing bromo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081539.8A CN108421205A (en) | 2017-02-15 | 2017-02-15 | A kind of fire extinguishant compositions of the trifluoro propene containing bromo |
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| Publication Number | Publication Date |
|---|---|
| CN108421205A true CN108421205A (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081539.8A Pending CN108421205A (en) | 2017-02-15 | 2017-02-15 | A kind of fire extinguishant compositions of the trifluoro propene containing bromo |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113509662A (en) * | 2021-04-27 | 2021-10-19 | 南京工业大学 | Clean gas fluorine-free foam fire extinguishing device and fire extinguishing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954271A (en) * | 1988-10-06 | 1990-09-04 | Tag Investments, Inc. | Non-toxic fire extinguishant |
| CN1218702A (en) * | 1998-12-08 | 1999-06-09 | 卢志强 | Fire extinguishing agent of sulphur hexafluoride and its fire-extinguishing agent composition |
| CN1397360A (en) * | 2001-07-18 | 2003-02-19 | 韩振山 | Fire extinguishing agent |
| CN101417166A (en) * | 2008-11-14 | 2009-04-29 | 中国科学技术大学 | Gas-solid composite powder base fire-extinguishing agent and preparation method thereof |
| CN106267672A (en) * | 2016-08-10 | 2017-01-04 | 九江中船化学科技有限公司 | A kind of gas extinguishing agent compositions and the gas extinguishing agent of preparation thereof |
-
2017
- 2017-02-15 CN CN201710081539.8A patent/CN108421205A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954271A (en) * | 1988-10-06 | 1990-09-04 | Tag Investments, Inc. | Non-toxic fire extinguishant |
| CN1218702A (en) * | 1998-12-08 | 1999-06-09 | 卢志强 | Fire extinguishing agent of sulphur hexafluoride and its fire-extinguishing agent composition |
| CN1397360A (en) * | 2001-07-18 | 2003-02-19 | 韩振山 | Fire extinguishing agent |
| CN101417166A (en) * | 2008-11-14 | 2009-04-29 | 中国科学技术大学 | Gas-solid composite powder base fire-extinguishing agent and preparation method thereof |
| CN106267672A (en) * | 2016-08-10 | 2017-01-04 | 九江中船化学科技有限公司 | A kind of gas extinguishing agent compositions and the gas extinguishing agent of preparation thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113509662A (en) * | 2021-04-27 | 2021-10-19 | 南京工业大学 | Clean gas fluorine-free foam fire extinguishing device and fire extinguishing method thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |
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