CN109985348A - A kind of hot aerosol propellant and its processing technology - Google Patents
A kind of hot aerosol propellant and its processing technology Download PDFInfo
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- CN109985348A CN109985348A CN201810000498.XA CN201810000498A CN109985348A CN 109985348 A CN109985348 A CN 109985348A CN 201810000498 A CN201810000498 A CN 201810000498A CN 109985348 A CN109985348 A CN 109985348A
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- hot aerosol
- raw material
- aerosol propellant
- processing technology
- nitrate
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
-
- 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
- A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention belongs to fire product technical fields, disclose a kind of hot aerosol propellant and its processing technology, hot aerosol propellant is in percentage by weight by strontium nitrate 25~33%, potassium nitrate 18~21%, guanidine nitrate 8~12%, melamine 7~10%, manganese dioxide 5~6%, manganese carbonate 2~4%, azodicarbonamide 3~4%, aluminium silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, zinc oxide 1~3%, oxalic acid 1~2%, nitroguanidine 1~2%, pentaerythrite 1~2%, charcoal 1~2%, iron oxide 1~2%, dicyandiamide 1~3%, sucrose 0.5~1%, decabrominated dipheny ether 0.5~1% and polyethylene glycol 0.5~1% form；Processing technology includes crushing, sieving, drying, mixing, compacting.Even if the present invention in the state of high humidity, also without electric conductivity and corrosivity, will not generate any damage to electrical equipment.
Description
Technical field
The invention belongs to fire product technical field more particularly to a kind of hot aerosol propellant and its processing technologys.
Background technique
Condensed aerosol fire extinguishing device is a kind of novel fire extinguishing equipment, after starting the fire extinguishing aerosol that generates have it is nontoxic,
To atmospheric ozone layer without consume, fire extinguishing effectiveness is high the features such as；Product installation, easy maintenance are to breathe out dragon in certain specific places
The comparatively ideal substitute of class fire distinguisher.For condensed aerosol fire extinguishing device using especially extensively in reality, extinguishing chemical is with solid
Leakage problem is not present in state normal temperature storage, easy to maintain, does not need arrangement pipeline, belongs to non-network fire extinguishing system, it takes up an area face
Product small, good appearance, install it is relatively flexible, can put room anywhere, project cost is relatively low.
In the prior art, the hot aerosol propellant of use are as follows: to guarantee propellant fire extinguishing effectiveness, existing hot aerosol hair
Potassium nitrate accounting generally meets or exceeds 50% or more in raw agent, and accounting is excessive.And make the reduction of its accounting without effective technology, it reduces
Propellant may then be directly resulted in and be unable to reach fire extinguishing effectiveness.
In conclusion problem of the existing technology is:
The extinguishing chemical propellant fire extinguishing effectiveness of the prior art is poor, and the more partial sizes of solia particle quantity of generation are big, solid-state sedimentation
Object dielectric strength is low, has certain electric conductivity and corrosivity, therefore can generate damage to precise electric equipment.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of hot aerosol propellant and its processing technologys.This
Invention has very big mention to the shape of condensed aerosol fire extinguishing device, sealing performance, fire extinguishing effectiveness and the security requirement of fire extinguishing
It is high.
The invention is realized in this way a kind of hot aerosol propellant, the hot aerosol propellant is according to weight percent
Than meter by strontium nitrate 25~33%, potassium nitrate 18~21%, guanidine nitrate 8~12%, melamine 7~10%, manganese dioxide 5~
6%, manganese carbonate 2~4%, azodicarbonamide 3~4%, aluminium silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, oxidation
Zinc 1~3%, oxalic acid 1~2%, nitroguanidine 1~2%, pentaerythrite 1~2%, charcoal 1~2%, iron oxide 1~2%, double cyanogen
Amine 1~3%, sucrose 0.5~1%, decabrominated dipheny ether 0.5~1% and polyethylene glycol 0.5~1% form.
A kind of processing technology another object of the present invention is to provide hot aerosol propellant includes:
Crush: first by strontium nitrate, potassium nitrate, guanidine nitrate, melamine, manganese dioxide, manganese carbonate, azodicarbonamide,
Aluminium silver powder, sulphur, potassium chlorate, zinc oxide, oxalic acid, nitroguanidine, pentaerythrite, charcoal, iron oxide, dicyandiamide, sucrose, ten bromines two
Phenetole, polyethylene glycol, which are each placed in pulverizer, is ground into smalls, smalls is installed respectively spare；
Sieving: impurity present in each raw material is filtered out using sieve, by raw material powder filter respectively install stand to
With；
It is dry: raw material powder of the filtering after good being put in fabric dryer and (water temperature is no more than in such a way that water heats
70 DEG C) it is dried, to remove the excess moisture in raw material；
Mixing: various raw material powders of the drying after complete are put into stirring in blender (being no more than 100kg every time), will be stirred
Extinguishing chemical after good installs for use；
Compacting: the extinguishing chemical mixed is put into dedicated heat insulation barrel, using hydraulic press by extinguishing chemical pressing molding, is obtained
Hot aerosol propellant.
Further, in sifting step, impurity in each raw material is filtered out using the sieve of 200 mesh.
Further, water content≤2.0% in drying steps, after raw material powder is dry.
Another object of the present invention is to provide a kind of electric shop fire-fighting equipments filled with above-mentioned hot aerosol propellant
Material.
Advantages of the present invention and good effect are as follows:
The present invention is studied and is tested repeatedly by extinguishing chemical propellant ingredient to device and proportion, is both improved
The fire extinguishing effectiveness of alkali metal salt (strontium salt etc.) and its oxide (SrO etc.), and hot-gas sol fire extinguishing agent propellant is generated
Solia particle it is considerably less and not easily settled, about 1%.Simultaneously because the diameter of particle that hot-gas sol fire extinguishing agent generates is very
It is small, even and if these particles in the state of high humidity (relative humidity 95%), also without electric conductivity, (solid sediment insulation is strong
Degree: 21M Ω) and corrosivity, therefore any damage will not be generated to electrical equipment.This makes this product have a wide range of application, and is applicable in
In various space protections, especially to the protection of precision instrument.
Detailed description of the invention
Fig. 1 is the processing process figure of hot aerosol propellant provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
Hot aerosol propellant provided in an embodiment of the present invention, in percentage by weight by strontium nitrate 25~33%, nitre
Sour potassium 18~21%, guanidine nitrate 8~12%, melamine 7~10%, manganese dioxide 5~6%, manganese carbonate 2~4%, azo two
Formamide 3~4%, aluminium silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, zinc oxide 1~3%, oxalic acid 1~2%, nitre
Base guanidine 1~2%, pentaerythrite 1~2%, charcoal 1~2%, iron oxide 1~2%, dicyandiamide 1~3%, sucrose 0.5~1%,
Decabrominated dipheny ether 0.5~1% and polyethylene glycol 0.5~1% form.
As shown in Figure 1, the processing technology of hot aerosol propellant provided in an embodiment of the present invention, comprising:
S101: it crushes: first by strontium nitrate, potassium nitrate, guanidine nitrate, melamine, manganese dioxide, manganese carbonate, azo diformazan
Amide, aluminium silver powder, sulphur, potassium chlorate, zinc oxide, oxalic acid, nitroguanidine, pentaerythrite, charcoal, iron oxide, dicyandiamide, sucrose,
Decabrominated dipheny ether, polyethylene glycol, which are each placed in pulverizer, is ground into smalls, smalls is installed respectively spare.
S102: sieving: impurity that may be present in each raw material is filtered out using the sieve of 200 mesh, the raw material powder that will have been filtered
End installs set aside for use respectively.
S103: dry: raw material powder of the filtering after good being put in fabric dryer and is done in such a way that water heats
It is dry, to remove the excess moisture in raw material, its water content is surveyed up to≤2.0%, that is, is met the requirements.
S104: mixing: raw material powder of the drying after complete is mixed and is put into blender according to regulation ratio and is stirred, will be stirred
Extinguishing chemical after mixing installs for use.
S105: compacting: the extinguishing chemical mixed is put into dedicated heat insulation barrel by institute's expense, utilizes the oil pressure of 5T pressure
Machine is by extinguishing chemical pressing molding, the density of extinguishing chemical: 1.4g/cm3±0.1g/cm3.Obtain extinguishing chemical needed for the present invention.
In drying, water temperature is no more than 70 DEG C.
Performance test is carried out to hot-gas sol fire extinguishing agent propellant according to GA499.1-2010 " condensed aerosol fire extinguishing device ".
Experimental result is as follows:
1, aerogel generating agent main performance result: moisture content 1.1%；Hydroscopicity 2.0%；Gas forming amount 301mL/g；Experiment
Front and back gas forming amount variable quantity 1mL/g；Impact sensitivity 0%；Electrostatic sensitivity 0%；Friction sensitivity 0%；Density 1.4g/cm3.Electrical isolation
Property: > 3KV；Toxicity: ignite aerogel generating agent, and mouse is put into test room after burning, takes out mouse after 10min,
Mouse does not lose the ability of fleeing from, and mouse is not dead within 3 days after experiment；Dust reduction rate: 0.8g/m3；Solid sediment insulation
Intensity: 21M Ω.
2, concentration distribution is tested
The volume of test space is 10m3, length × width × height is 2.5m × 2m × 2m, and length is denoted as a, b, c respectively.
Extinguishing device is placed on laboratory middle position, actually uses extinguishing chemical 1kg.Appointing in laboratory internal takes two pairs of space angle steel joints to set
Burn pot is set, totally four.It is arranged in the direction a apart from extinguishing device 0.5m, the baffle that length is about 0.4m, the height and reality of baffle
The height for testing room is consistent, and vertical with the spout direction of extinguishing device.Then one burn pot is set behind baffle.Finally exist
The apex of the not set burn pot of laboratory internal installs an overpressure relief mouth (device) that can voluntarily open and close, and provides face
The closable opening of burn pot, so as to extinguishing device start before ventilation.It is 9s that extinguishing chemical, which has sprayed the time used,.Four right
It is respectively 18s, 12s, 17s, 10s, ground after baffle that burn pot on angle point, which starts from extinguishing device to the time for putting out open fire,
The attack time of upper burn pot is 19s.The extinguishing concentration of extinguishing chemical propellant is 100g/m3。
The invention will be further described combined with specific embodiments below.
Embodiment 1
Hot aerosol propellant provided in an embodiment of the present invention, in percentage by weight by strontium nitrate 25%, potassium nitrate
18%, guanidine nitrate 8%, melamine 7%, manganese dioxide 5~6%, manganese carbonate 2~4%, azodicarbonamide 3~4%, aluminium
Silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, zinc oxide 1~3%, oxalic acid 1~2%, nitroguanidine 1~2%, season penta
Tetrol 1~2%, charcoal 1~2%, iron oxide 1~2%, dicyandiamide 1~3%, sucrose 0.5~1%, decabrominated dipheny ether 0.5
~1% and polyethylene glycol 0.5~1% form.
Embodiment 2
Hot aerosol propellant provided in an embodiment of the present invention, in percentage by weight by strontium nitrate 33%, potassium nitrate
21%, guanidine nitrate %, melamine 10%, manganese dioxide 5~6%, manganese carbonate 2~4%, azodicarbonamide 3~4%, aluminium
Silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, zinc oxide 1~3%, oxalic acid 1~2%, nitroguanidine 1~2%, season penta
Tetrol 1~2%, charcoal 1~2%, iron oxide 1~2%, dicyandiamide 1~3%, sucrose 0.5~1%, decabrominated dipheny ether 0.5
~1% and polyethylene glycol 0.5~1% form.
Embodiment 3
Hot aerosol propellant provided in an embodiment of the present invention, in percentage by weight by strontium nitrate 30%, potassium nitrate
20%, guanidine nitrate 10%, melamine 9%, manganese dioxide 5~6%, manganese carbonate 2~4%, azodicarbonamide 3~4%, aluminium
Silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, zinc oxide 1~3%, oxalic acid 1~2%, nitroguanidine 1~2%, season penta
Tetrol 1~2%, charcoal 1~2%, iron oxide 1~2%, dicyandiamide 1~3%, sucrose 0.5~1%, decabrominated dipheny ether 0.5
~1% and polyethylene glycol 0.5~1% form.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of hot aerosol propellant, which is characterized in that the hot aerosol propellant is in percentage by weight by nitric acid
Strontium 25~33%, potassium nitrate 18~21%, guanidine nitrate 8~12%, melamine 7~10%, manganese dioxide 5~6%, manganese carbonate
2~4%, azodicarbonamide 3~4%, aluminium silver powder 2~4%, sulphur 2~3%, potassium chlorate 2~3%, zinc oxide 1~3%,
Oxalic acid 1~2%, nitroguanidine 1~2%, pentaerythrite 1~2%, charcoal 1~2%, iron oxide 1~2%, dicyandiamide 1~3%,
Sucrose 0.5~1%, decabrominated dipheny ether 0.5~1% and polyethylene glycol 0.5~1% form.
2. a kind of processing technology of hot aerosol propellant as described in claim 1, which is characterized in that the hot aerosol occurs
The processing technology of agent includes:
It crushes: first by strontium nitrate, potassium nitrate, guanidine nitrate, melamine, manganese dioxide, manganese carbonate, azodicarbonamide, aluminium silver
Powder, sulphur, potassium chlorate, zinc oxide, oxalic acid, nitroguanidine, pentaerythrite, charcoal, iron oxide, dicyandiamide, sucrose, decabrominated dipheny second
Ether, polyethylene glycol, which are each placed in pulverizer, is ground into smalls, smalls is installed respectively spare；
Sieving: impurity present in each raw material is filtered out using sieve, the raw material powder filtered is installed into set aside for use respectively；
It is dry: raw material powder of the filtering after good being put in fabric dryer and is dried in such a way that water heats, with removal
Excess moisture in raw material；Water temperature is less than 70 DEG C；
Mixing: various raw material powders of the drying after complete are put into blender and are stirred, the extinguishing chemical after being stirred is installed for use；
Compacting: the extinguishing chemical mixed is put into dedicated heat insulation barrel, using hydraulic press by extinguishing chemical pressing molding, obtains hot gas
Colloidal sol propellant.
3. the processing technology of hot aerosol propellant as claimed in claim 2, which is characterized in that
In sifting step, impurity in each raw material is filtered out using the sieve of 200 mesh.
4. the processing technology of hot aerosol propellant as claimed in claim 2, which is characterized in that
Water content≤2.0% in drying steps, after raw material powder is dry.
5. a kind of electric shop fire-fighting equipment filled with hot aerosol propellant as described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000498.XA CN109985348A (en) | 2018-01-02 | 2018-01-02 | A kind of hot aerosol propellant and its processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000498.XA CN109985348A (en) | 2018-01-02 | 2018-01-02 | A kind of hot aerosol propellant and its processing technology |
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| CN109985348A true CN109985348A (en) | 2019-07-09 |
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