CN104645540B - The control method of ABC powder extinguishing agent bulk density - Google Patents
The control method of ABC powder extinguishing agent bulk density Download PDFInfo
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- CN104645540B CN104645540B CN201510071646.3A CN201510071646A CN104645540B CN 104645540 B CN104645540 B CN 104645540B CN 201510071646 A CN201510071646 A CN 201510071646A CN 104645540 B CN104645540 B CN 104645540B
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- ammonium dihydrogen
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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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- 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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Abstract
The invention discloses a kind of control method of ABC powder extinguishing agent bulk density, comprise the following steps that：1) ammonium dihydrogen phosphate raw material is divided into two groups, uses built-in stagewise micronizer respectively to crush two groups of raw materials to control " size distribution ", one group crushes to obtain raw phosphoric acid ammonium dihydrogen crushed material, and another group crushes to obtain thin ammonium dihydrogen phosphate crushed material；2) other raw materials " size distribution " control；3) thick, thin ammonium dihydrogen phosphate crushed material is arranged in pairs or groups, adds other raw materials and obtain ABC powder extinguishing agent；The ABC powder extinguishing agent, its active ingredient include each component of following weight proportion：Raw phosphoric acid ammonium dihydrogen crushed material 25~40%, thin ammonium dihydrogen phosphate crushed material 40~65%, mica powder 1~3%, atlapulgite 1~3%, hydrophobic silicic aerogels 1~3%, talcum powder 0~25%；4) screening removes the particle of granularity >=0.250mm.The bulk density of effectively increase ABC powder extinguishing agent of the invention.
Description
Technical field
The present invention relates to the ABC powder extinguishing agent field using ammonium dihydrogen phosphate as main fire extinguishing raw material, in particular to one kind
The control method of ABC powder extinguishing agent bulk density.
Background technology
As eliminating for halon extinguishing agent uses with the fire foam progressively limitation of PFOS class fluorine surfactants,
ABC powder extinguishing agent is due to its simple production process, raw material is easy to get, scope of putting out a fire is wide, and develops very fast, is in the world should at present
With one of widest extinguishing chemical.
National standard GB4066.2-2004 and Europe superscript EN615-1994, to " size distribution " of ABC powder extinguishing agent with manufacturer
Published value requirement (national standard adds the regulation to bottom " size distribution " requirement >=50.0%).
The ABC powder extinguishing agent of domestic production at present, its main component is based on ammonium dihydrogen phosphate, supplemented by ammonium sulfate, production
Product specification name also with the content of ammonium dihydrogen phosphate depending on.Bulk density is the one of performance indicator of ABC powder extinguishing agent,
Ask >=0.80g/ml, manufacturer published value ± 0.1.
ABC powder extinguishing agent refers to the high ABC powder extinguishing agent of determining ammonium biphosphate content, such as 90%ABC dry powder fire extinguishing agents,
Content in ABC powder extinguishing agent due to other raw materials is less, therefore this index mainly considers biphosphate on size distribution
The size distribution of ammonium.It is more (to be used unified using the disposable ammonium dihydrogen phosphate that crushes in the production process of the prior art
Parameter and standard crush whole ammonium dihydrogen phosphate raw materials), and in order to make the size distribution of product be up to state standards, usually in powder
This broken step just makes size distribution of the ammonium dihydrogen phosphate in chassis reach more than 50%, although thus obtained product can make grain
Degree distribution and bulk density reach standard requirement, but also simply just stride into claimed range, especially bulk density, but due to bulk density
It is not high enough, filling difficulty can be caused, increase cylinder body of fire extinguisher cost, even result in the ability decline for putting out A, B, C class fire, at the same time
Also it is unfavorable for quality management of the administration of the prevention and control department to ABC powder extinguishing agent.
The content of the invention
The technical problem to be solved in the present invention is for the above-mentioned deficiency of the prior art, there is provided a kind of ABC powder extinguishing agent
The control method of bulk density, increases the bulk density of ABC powder extinguishing agent so that ABC powder extinguishing agent is in filling fire extinguisher when side
Just, easily, the cylinder cost of fire extinguisher is saved, greatly improves the ability for putting out A, B, C class fire, while be conducive to extinguishing pipe
Quality management of the reason department to ABC powder extinguishing agent.
In order to solve the above technical problems, technical solution provided by the invention is：
A kind of control method of ABC powder extinguishing agent bulk density, it is characterised in that：Comprise the following steps that：
(1) ammonium dihydrogen phosphate raw material is divided into two groups, using built-in stagewise micronizer respectively to two groups of raw material powder
It is broken to control " size distribution ", one group crushes to obtain raw phosphoric acid ammonium dihydrogen crushed material, and another group crushes to obtain thin ammonium dihydrogen phosphate
Crushed material；Wherein, host is variable speed, and grader and charger use electromagnetism speed change, specific as follows：
1. raw phosphoric acid ammonium dihydrogen crushed material " size distribution " controls：By 35~45Hz of host frequency, grader rotating speed 100~
200r/min, 1000~1200r/min of charger rotating speed crush ammonium dihydrogen phosphate raw material, obtain raw phosphoric acid ammonium dihydrogen crushed material；
So that " size distribution " of raw phosphoric acid ammonium dihydrogen crushed material meets to be 0.0~2.0% in 0.250mm standard screens,
It is 10~20% in 0.125mm standard screens, is 25~35% in 0.063mm standard screens, is 15 in 0.040mm standard screens
~25%, it is 25~40% in chassis；(wherein, this of 0.0~2.0% of " size distribution " in 0.250mm standard screens
A part of raw phosphoric acid ammonium dihydrogen crushed material is not present in the final product, can pass through screening and eliminate this part)
2. thin ammonium dihydrogen phosphate crushed material " size distribution " control：By 45~50Hz of host frequency, grader rotating speed 200~
300r/min, 800~1000r/min of charger rotating speed crush ammonium dihydrogen phosphate raw material, obtain thin ammonium dihydrogen phosphate crushed material；Make
" size distribution " for obtaining thin ammonium dihydrogen phosphate crushed material meets to be 5~10% in 0.125mm standard screens, in 0.063mm standards
It is 10~20% in sieve, is 10~25% in 0.040mm standard screens, is 60~75% in chassis；
2) other raw materials " size distribution " control：Hydrophobic silicic aerogels, mica powder, atlapulgite, talcum powder are selected as production
The auxiliary filler material of product, first tests the size distribution of other all kinds of raw materials, " granularity of hydrophobic silicic aerogels respectively before configuring product
Distribution " accounts for 100% in chassis, and mica powder, atlapulgite, " size distribution " of talcum powder are met the following requirements：In 0.125mm
It is 0~12% in standard screen, is 16~26% in 0.063mm standard screens, is 21~28% in 0.040mm standard screens,
It is 36~62% in chassis；
3) raw phosphoric acid ammonium dihydrogen crushed material, thin ammonium dihydrogen phosphate crushed material are arranged in pairs or groups, and adds hydrophobic silicic aerogels, cloud
Female powder, atlapulgite, talcum powder obtain ABC powder extinguishing agent；The ABC powder extinguishing agent, its active ingredient include following heavy
Measure each component of proportioning：
4) ABC powder extinguishing agent made from step (3) is sieved, removes the particle of particle diameter >=0.250mm.
Preferably, the ABC powder extinguishing agent, its active ingredient includes each component of following weight proportion：
Other raw materials " size distribution " in ammonium dihydrogen phosphate crushed material " size distribution " and step (2) in the step (1)
Test method：By the 5.7th clause methods of national standard GB4066.1-2004.
The test method of product bulk density in the step (3)：By the 5.2nd clause methods of national standard GB4066.1-2004.
Preferably, " size distribution " of raw phosphoric acid ammonium dihydrogen crushed material meet in 0.250mm standard screens for 0.0~
2.0%, it is 10~20% in 0.125mm standard screens, is 30~35% in 0.063mm standard screens, in 0.040mm standards
It is 15~25% in sieve, is 25~40% in chassis.
The bulk density of the ABC powder extinguishing agent of the present invention is 0.90~0.95, than the prior art by disposably crushing
ABC extinguishing chemicals prepared by molding ammonium dihydrogen phosphate crushed material are universal high by 0.05 or so.
Compared with prior art, the advantage of the invention is that：Ammonium dihydrogen phosphate raw material is divided into two groups by the present invention, by interior
Hide stagewise micronizer respectively to crush it, obtain raw phosphoric acid ammonium dihydrogen crushed material and thin ammonium dihydrogen phosphate crushes
Material, by setting specific parameter to host, grader and charger, makes two groups of crushed materials have in the standard screen of different size
There is different percentage；Then, national standard is met in product indices (mainly put out a fire component content, size distribution etc.)
In the case of (GB4066.1-2004, GB4066.2-2004) requirement, to raw phosphoric acid ammonium dihydrogen and thin ammonium dihydrogen phosphate in proportion
Reasonably combined, further according to needing to add other raw materials, the bulk density of obtained product is generally more than the bulk density of existing product.
Host frequency is bigger, and thinner i.e. size distribution value of the ammonium dihydrogen phosphate on chassis that ammonium dihydrogen phosphate crushes is bigger；
Classification unit frequency is smaller, and size distribution value of the ammonium dihydrogen phosphate in two layers of standard screen of 0.125mm and 0.063mm is bigger；Producing
In the case that product set quota complies with the national standard requirements (such as " bottom " size distribution), the appropriate ammonium dihydrogen phosphate that increases exists
Size distribution value in 0.063mm standard screens, the bulk density of product can increase therewith.But it is not to say that the increase phosphoric acid of blindness
Size distribution value of the ammonium dihydrogen in 0.063mm standard screens, product of the invention other performances while bulk density increases are equal
Keep more excellent.
The extinguishing chemical of phase homogenous quantities is put into fire extinguisher, and different bulk densitys can cause volume shared by different extinguishing chemicals,
Volume shared by the small then extinguishing chemical of bulk density is larger, and volume shared by gas (nitrogen) is reduced by corresponding fire extinguisher, during fire extinguishing by
It is very few in gas, dry powder may be caused not spray normally, influence extinguishing ability.Product produced by the invention effectively increases pine
Density, can effectively avoid the above situation, and be greatly improved the ability for putting out A, B, C class fire
Existing dry powder fire extinguishing agent nearly all occurs to overfill when filling and since bulk density is less than or equal to 0.85g/ml
Phenomenon, cause filling difficulty.And ABC powder extinguishing agent bulk density prepared by the present invention is generally more than 0.90g/ml, so filling
It is convenient and easy.
Embodiment
The present invention is described in further detail below by embodiment, but the present invention is not limited solely to following implementation
Example.The built-in stagewise micronizer may be selected LF types, in embodiment, specific optional LF- 60.
Embodiment 1
The bulk density control method of 90%ABC dry powder fire extinguishing agents
1) ammonium dihydrogen phosphate raw material is divided into two groups, it is former to two groups respectively using the built-in stagewise micronizers of LF-60
Feed powder is broken to control " size distribution ", and one group crushes to obtain raw phosphoric acid ammonium dihydrogen crushed material, and another group crushes to obtain thin di(2-ethylhexyl)phosphate
Hydrogen ammonium crushed material；Wherein, host is variable speed, and grader and charger use electromagnetism speed change, specific as follows：
1. raw phosphoric acid ammonium dihydrogen crushed material " size distribution " controls：By host frequency 38Hz, grader rotating speed 150r/
Min, charger rotating speed 1200r/min crush ammonium dihydrogen phosphate raw material, raw phosphoric acid ammonium dihydrogen crushed material are obtained, then by national standard
The 5.7th clause methods of GB4066.1-2004, test " size distribution " of raw phosphoric acid ammonium dihydrogen crushed material, and test result is respectively：
It is 1% in 0.250mm standard screens, is 13.4% in 0.125mm standard screens, is 32.8% in 0.063mm standard screens,
It is 21.2% in 0.040mm standard screens, is 31.6% in chassis；It is shown in Table 1；(wherein, in 0.250mm standard screens
1% is not present in the final product, can be screened out in semi-finished product screening) (become semi-finished product before screening, become after screening
Product)
2. thin ammonium dihydrogen phosphate crushed material " size distribution " control：By host frequency 49Hz, grader rotating speed 250r/
Min, charger rotating speed 900r/min crush ammonium dihydrogen phosphate raw material, thin ammonium dihydrogen phosphate crushed material are obtained, then by national standard
The 5.7th clause methods of GB4066.1-2004, test " size distribution " of thin ammonium dihydrogen phosphate crushed material, and test result is respectively：
It is being 5.4% in 0.125mm standard screens, is being 11.6% in 0.063mm standard screens, is in 0.040mm standard screens
15.8%, it is 67.2% in chassis；It is shown in Table 1；
2) other raw materials " size distribution " control：Hydrophobic silicic aerogels, mica powder, atlapulgite, talcum powder are selected as production
The auxiliary filler material of product, and hydrophobic silicic aerogels, mica powder, work are tested respectively by the 5.7th clause methods of national standard GB4066.1-2004
Property carclazyte, " size distribution " of talcum powder, " size distribution " of hydrophobic silicic aerogels account for 100% in chassis；Mica powder exists
It is 9% in 0.125mm standard screens, is 26% in 0.063mm standard screens, is 28% in 0.040mm standard screens, on chassis
In be 36%；Atlapulgite is 12% in 0.125mm standard screens, is 20% in 0.063mm standard screens, is marked in 0.040mm
It is 21% in quasi- sieve, is 47% in chassis；Talcum powder is 16% in 0.063mm standard screens, in 0.040mm standard screens
It is 62% in chassis for 22%；It is shown in Table 1；
3) arrange in pairs or groups to raw phosphoric acid ammonium dihydrogen crushed material, thin ammonium dihydrogen phosphate crushed material, and add hydrophobic silicic aerogels, cloud
Female powder, atlapulgite, talcum powder, are prepared 90%ABC dry powder fire extinguishing agents；The ABC powder extinguishing agent, its active ingredient bag
Include each component of following weight proportion：
4) ABC powder extinguishing agent made from step (3) is sieved, removes the particle of particle diameter >=0.250mm.
Above-mentioned the 5.7th section of method of national standard GB4066.1-2004：Dry powder fire extinguishing agent sample 50g is weighed, 0.2g is accurate to, puts
Enter in the top sieve of 0.250mm, be in turn below 0.125mm, the sieve of 0.063mm, 0.040mm and chassis, top cover.By bushing screen
It is fixed on vibration screening machine, shakes 10min.Bushing screen is removed, weighs the dry powder fire extinguishing agent quality on every layer of sieve and in chassis respectively.
Mass percent X (%) calculation formula of size distribution, that is, dry powder fire extinguishing agent in every layer of sieve and chassis：
X=m1/m2×100
m1--- quality of the dry powder fire extinguishing agent sample in every layer of sieve and chassis, unit is gram (g)；
m2--- the quality of dry powder fire extinguishing agent sample, unit are gram (g)；
The average value of twice result of the test of the yield more than 98% is fetched as evaluation result.
Above-mentioned the 5.2nd section of method of national standard GB4066.1-2004：Dry powder fire extinguishing agent sample 100g is weighed, 0.2g is accurate to, puts
Filled in tool in graduated cylinder.With the speed of 2s a cycles, turn upside down 10 cycles of graduated cylinder.Tool plug graduated cylinder is quiet perpendicular to horizontal plane
After putting 3min, the volume of sample is recorded.
Bulk density calculation formula：Db=m0/V
Db--- bulk density, unit are gram every milliliter (g/ml)；
m0--- the quality of dry powder fire extinguishing agent sample, unit are gram (g)；
V --- the volume shared by dry powder fire extinguishing agent sample, unit are milliliter (ml)
The average value of twice result of the test of the difference no more than 0.04g/ml is taken as measurement result.
The detection method of embodiment 2-3 " size distribution " and product bulk density is also same.
Table 1：Raw material granularity distribution tests result is with crushing weight, and (wherein 0.250mm parts are by taking one ton of product as an example
Remove)
It is close that pine is carried out to 90%ABC dry powder fire extinguishing agents obtained above by the 5.2nd clause methods of national standard GB4066.1-2004
Degree test, test its bulk density is 0.93g/ml.
Embodiment 2
The bulk density control method of 80%ABC dry powder fire extinguishing agents
1) ammonium dihydrogen phosphate raw material is divided into two groups, it is former to two groups respectively using the built-in stagewise micronizers of LF-60
Feed powder is broken to control " size distribution ", and one group crushes to obtain raw phosphoric acid ammonium dihydrogen crushed material, and another group crushes to obtain thin di(2-ethylhexyl)phosphate
Hydrogen ammonium crushed material；Wherein, host is variable speed, and grader and charger use electromagnetism speed change, specific as follows：
1. raw phosphoric acid ammonium dihydrogen crushed material " size distribution " controls：By host frequency 37Hz, grader rotating speed 125r/
Min, charger rotating speed 1200r/min crush ammonium dihydrogen phosphate raw material, raw phosphoric acid ammonium dihydrogen crushed material are obtained, then by national standard
The 5.7th clause methods of GB4066.1-2004, test " size distribution " of raw phosphoric acid ammonium dihydrogen crushed material, and test result is respectively：
It is 1% in 0.250mm standard screens, is 14.0% in 0.125mm standard screens, is 33.4% in 0.063mm standard screens,
It is 21.0% in 0.040mm standard screens, is 30.2% in chassis；It is shown in Table 1；
2. thin ammonium dihydrogen phosphate crushed material " size distribution " control：By host frequency 49Hz, grader rotating speed 250r/
Min, charger rotating speed 900r/min crush ammonium dihydrogen phosphate raw material, thin ammonium dihydrogen phosphate crushed material are obtained, then by national standard
The 5.7th clause methods of GB4066.1-2004, test " size distribution " of thin ammonium dihydrogen phosphate crushed material, and test result is respectively：
It is being 5.4% in 0.125mm standard screens, is being 11.6% in 0.063mm standard screens, is in 0.040mm standard screens
15.8%, it is 67.2% in chassis；It is shown in Table 1；
2) other raw materials " size distribution " control：Hydrophobic silicic aerogels, mica powder, atlapulgite, talcum powder are selected as production
The auxiliary filler material of product, and hydrophobic silicic aerogels, mica powder, work are tested respectively by the 5.7th clause methods of national standard GB4066.1-2004
Property carclazyte, " size distribution " of talcum powder, " size distribution " of hydrophobic silicic aerogels account for 100% in chassis；Mica powder exists
It is 9% in 0.125mm standard screens, is 26% in 0.063mm standard screens, is 28% in 0.040mm standard screens, on chassis
In be 36%；Atlapulgite is 12% in 0.125mm standard screens, is 20% in 0.063mm standard screens, is marked in 0.040mm
It is 21% in quasi- sieve, is 47% in chassis；Talcum powder is 16% in 0.063mm standard screens, in 0.040mm standard screens
It is 62% in chassis for 22%；It is shown in Table 2；
(3) arrange in pairs or groups to raw phosphoric acid ammonium dihydrogen crushed material, thin ammonium dihydrogen phosphate crushed material, and add hydrophobic silicic aerogels,
Mica powder, atlapulgite or talcum powder, are prepared 80%ABC dry powder fire extinguishing agents；The ABC dry powder fire extinguishing agents, its effectively into
Dividing includes each component of following weight proportion：
4) ABC powder extinguishing agent made from step (3) is sieved, removes the particle of particle diameter >=0.250mm.
Table 2：Raw material granularity distribution tests result is with crushing weight, and (wherein 0.250mm parts are by taking one ton of product as an example
Remove)
It is close that pine is carried out to 80%ABC dry powder fire extinguishing agents obtained above by the 5.2nd clause methods of national standard GB4066.1-2004
Degree test, test its bulk density is 0.94g/ml.
As can be seen from Table 1 and Table 2, in the case that product also all meets the requirements in the standard screen of other specifications, meet
Close to 20%, thus obtained product bulk density can greatly improve " size distribution " in 0.063 standard screen.
The 90%ABC dry powder fire extinguishing agents and 80%ABC dry powder that chassis is 54 and 58 is prepared also according to the above method
Extinguishing chemical, with the ABC powder extinguishing agent product of the prior art in the case of identical chassis " size distribution " (chassis quantity) into
Row bulk density contrasts, and is shown in Table 3.
Table 3：ABC powder extinguishing agent bulk density (g/ml) in the case of identical chassis quantity contrasts situation
Wherein, the chassis quantity refers to product chassis " size distribution ".
From table 3 it is observed that ABC powder extinguishing agent bulk density is prepared numerically than prior art system by the present invention
Standby ABC powder extinguishing agent is high, by various experiments, is generally higher by 0.05g/ml or so, thus, ABC prepared by the present invention
Dry powder fire extinguishing agent is convenient in filling fire extinguisher, easy, saves the cylinder cost of fire extinguisher, greatly improves and puts out A, B, C class fire
The ability of calamity, while be conducive to quality management of the administration of the prevention and control department to ABC powder extinguishing agent.
Particularly point out, the prior art is to crush all ammonium dihydrogen phosphates by unified parameter ammonium dihydrogen phosphate crushing is made
The ABC powder extinguishing agent being mixed with after material with other raw materials；The present invention is that ammonium dihydrogen phosphate is divided into two groups, each group
Crushed by defined parameter, obtain raw phosphoric acid ammonium dihydrogen crushed material and thin ammonium dihydrogen phosphate crushed material, be collocated with each other and mix again
Close other raw materials and ABC powder extinguishing agent is prepared.
Finally remark additionally, the computational methods of product " size distribution " are specially：In known raw phosphoric acid ammonium dihydrogen crushed material
On the premise of " size distribution ", thin ammonium dihydrogen phosphate crushed material " size distribution " and other raw materials " size distribution ", by step (1)
The corresponding raw phosphoric acid ammonium dihydrogen crushed material " size distribution " of standard screen of obtained every kind of specification is multiplied by raw phosphoric acid dihydro in product
The corresponding thin ammonium dihydrogen phosphate crushed material of standard screen for the specification that the percentage by weight of ammonium crushed material is obtained plus step (1)
" size distribution " is multiplied by the percentage by weight of thin ammonium dihydrogen phosphate crushed material in product, the specification obtained along with step (2)
Other corresponding every kind of raw materials " size distribution " of standard screen be multiplied by other every kind of raw materials in product percentage by weight be produce
Product " size distribution ".
Claims (5)
- A kind of 1. control method of ABC powder extinguishing agent bulk density, it is characterised in that：Comprise the following steps that：1) ammonium dihydrogen phosphate raw material is divided into two groups, uses built-in stagewise micronizer to be crushed respectively to two groups of raw materials to control Make " size distribution ", one group crushes to obtain raw phosphoric acid ammonium dihydrogen crushed material, and another group crushes to obtain thin ammonium dihydrogen phosphate crushed material； Wherein, host is variable speed, and grader and charger use electromagnetism speed change, specific as follows：1. raw phosphoric acid ammonium dihydrogen crushed material " size distribution " controls：By 35~45Hz of host frequency, grader rotating speed 100~ 200r/min, 1000~1200r/min of charger rotating speed crush ammonium dihydrogen phosphate raw material, obtain raw phosphoric acid ammonium dihydrogen crushed material； So that " size distribution " of raw phosphoric acid ammonium dihydrogen crushed material meets to be 0.0~2.0% in 0.250mm standard screens, in 0.125mm It is 10~20% in standard screen, is 25~35% in 0.063mm standard screens, is 15~25% in 0.040mm standard screens, It is 25~40% in chassis；2. thin ammonium dihydrogen phosphate crushed material " size distribution " control：By 45~50Hz of host frequency, grader rotating speed 200~ 300r/min, 800~1000r/min of charger rotating speed crush ammonium dihydrogen phosphate raw material, obtain thin ammonium dihydrogen phosphate crushed material；Make " size distribution " for obtaining thin ammonium dihydrogen phosphate crushed material meets to be 5~10% in 0.125mm standard screens, in 0.063mm standards It is 10~20% in sieve, is 10~25% in 0.040mm standard screens, is 60~75% in chassis；2) other raw materials " size distribution " control：Hydrophobic silicic aerogels, mica powder, atlapulgite, talcum powder are selected as product Filler material is aided in, first tests the size distribution of other all kinds of raw materials, " granularity point of hydrophobic silicic aerogels respectively before configuring product Cloth " accounts for 100% in chassis, and mica powder, atlapulgite, " size distribution " of talcum powder are met the following requirements：Marked in 0.125mm It is 0~12% in quasi- sieve, is 16~26% in 0.063mm standard screens, is 21~28% in 0.040mm standard screens, the bottom of at It is 36~62% in disk；3) raw phosphoric acid ammonium dihydrogen crushed material, thin ammonium dihydrogen phosphate crushed material are arranged in pairs or groups, and adds hydrophobic silicic aerogels, mica Powder, atlapulgite, talcum powder obtain ABC powder extinguishing agent；The ABC powder extinguishing agent, its active ingredient include following weight The each component of proportioning：4) ABC powder extinguishing agent made from step (3) is sieved, removes the particle of granularity >=0.250mm.
- 2. the control method of ABC powder extinguishing agent bulk density according to claim 1, it is characterised in that：The ABC dry powder Extinguishing chemical, its active ingredient include each component of following weight proportion：。
- 3. the control method of ABC powder extinguishing agent bulk density according to claim 1, it is characterised in that：The step (1) The test method of other raw materials " size distribution " in middle ammonium dihydrogen phosphate crushed material " size distribution " and step (2)：By national standard The 5.7th clause methods of GB4066.1-2004.
- 4. the control method of ABC powder extinguishing agent bulk density according to claim 1, it is characterised in that：The step (3) The test method of middle product bulk density：By the 5.2nd clause methods of national standard GB4066.1-2004.
- 5. the control method of ABC powder extinguishing agent bulk density according to claim 1, it is characterised in that：Raw phosphoric acid dihydro " size distribution " of ammonium crushed material meets to be 0.0~2.0% in 0.250mm standard screens, in 0.125mm standard screens for 10~ 20%, be 30~35% in 0.063mm standard screens, be 15~25% in 0.040mm standard screens, in chassis for 25~ 40%.
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| CN114377337A (en) * | 2021-12-20 | 2022-04-22 | 佛山市南海铧杨消防器材有限公司 | Production system and production method of ammonium phosphate dry powder extinguishing agent |
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