CN109020762A - A kind of rapid catalyst for cold light firework gunpowder - Google Patents
A kind of rapid catalyst for cold light firework gunpowder Download PDFInfo
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- CN109020762A CN109020762A CN201811000585.1A CN201811000585A CN109020762A CN 109020762 A CN109020762 A CN 109020762A CN 201811000585 A CN201811000585 A CN 201811000585A CN 109020762 A CN109020762 A CN 109020762A
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- powder
- water
- biradical
- original washing
- washing powder
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/007—Ballistic modifiers, burning rate catalysts, burning rate depressing agents, e.g. for gas generating
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of rapid catalysts for cold light firework gunpowder.Feature is: including nickel nitrate, hydrazine hydrate, ammonium dichromate, single original washing powder, biradical powder, crushed crude pearlite, water, the weight percent of mentioned component are as follows: nickel nitrate 4-8%, hydrazine hydrate 4-8%, ammonium dichromate 5-10%, single original washing powder 15-30%, biradical powder 10-20%, crushed crude pearlite 5-10%, water 62-100%, the list original washing powder is 80 mesh or more, the biradical powder is 80 mesh or more, the water be the 60-80 DEG C of present invention with high security, stability it is good, composition chemical reaction velocity can be improved, so that reaction is reached equilibrium state, simple processing, it is at low cost the advantages that.
Description
Technical field
The invention belongs to cold light firework technologies, more particularly to a kind of rapid catalyst for cold light firework gunpowder.
Background technique
Cold light firework is a kind of ornamental fireworks to be seted off for stage, it is desirable that micro- cigarette, environmental protection, dustless dye, so to drug
Prescription requires tight, it is necessary to be the smokeless pyrotechnic material composition of burning.But in the prior art, do the gunpowder combination of cold light firework
Object keeps the reaction time longer when some preparations because reaction speed is slow, and the chemistry that especially drug burning occurs when setting off is anti-
Should be slow, have this component object cannot fast chemical reaction in combustion, if toxic gas setting off in the short time because that cannot send out
Biochemical reaction generates nonhazardous gas, then to place is seted off and surrounding enviroment cause certain environmental pollution, some is because of burn rate
Slowly, not only there is smog when burning, there are also residues.Therefore, existing part cold light firework product be fully achieved not yet low-carbon,
Environmental requirement needs fireworks industry and further innovates, and new breakthrough occurs in the formula constituent of cold light firework gunpowder.
How to solve problems of the prior art, manufacture it is a kind of can make cold light firework gunpowder speed-raising combustion reaction it is new
Type rapid catalyst.
Summary of the invention
The present invention is studied and has been attempted repeatedly to the raw and auxiliary material that can be used as rapid catalyst, it would be desirable to develop energy
So that cold light firework gunpowder is improved reaction speed in a short time, reaction is promoted to reach equilibrium state rapid catalyst, overcomes existing
Have the shortcomings that cold light firework gunpowder or catalyst reaction speed are slow, the reaction time is long, have a small amount of cigarette and residue, cost price high,
There is provided good, safe and reliable, the flammable high, oxidation of a kind of physics, chemical stability sufficiently, reaction speed is fast, the time is short, without toxic
The rapid catalyst for cold light firework gunpowder of the Harmful Residue completes this to reach purpose of design of the invention
Invention.
To achieve the above object, the technical solution of the invention is as follows:
A kind of rapid catalyst for cold light firework gunpowder, is characterized in that, including nickel nitrate, hydrazine hydrate, ammonium dichromate,
Single original washing powder, biradical powder, crushed crude pearlite, water, the weight percent of mentioned component are as follows: nickel nitrate 4-8%, hydrazine hydrate 4-8%, dichromic acid
Ammonium 5-10%, single original washing powder 15-30%, biradical powder 10-20%, crushed crude pearlite 5-10%, water 62-100%, the list original washing powder be 80 mesh with
On, the biradical powder is 80 mesh or more, and the water is 60-80 DEG C.
List original washing powder proposed by the present invention is a kind of cordite agent, is homogeneous gunpowder based on macromolecule chemical combination explosive,
It is molten modeling gunpowder, because removing most solvent after plasticizing forming, therefore also known as volatile solvent gunpowder.Due to having nitre in ingredient
Change a kind of explosive of cotton as energy foundation, so being single-base powder.Single original washing powder with after other fireworks pharmaceutical agent combinations compatibilities, when burning
It can generate amount of heat and gas quickly, form high temperature and high pressure gas to extraneous work done, and have in the physical property of single original washing powder
Have enough mechanical strengths, but as temperature change declines and changing reduces, because single original washing powder chemistry without element be mainly C, H, O,
N, so its stability, corrosivity and susceptibility are all preferable.The burn rate of single original washing powder is slightly slow, has and delays the composition burn time,
Product sets off micro- cigarette in component plus after single original washing powder, securely and reliably.
The biradical powder proposed in component of the present invention is wide in variety since application is than wide, and performance difference is bigger, because forming
Point also more complicated, main component forms fire by nitrocotton and common explosive solvent nitroglycerine or dinitroglycol
Medicine is loose and porous structure, and since constituent is relatively more, performance is better than single original washing powder.Nitrocotton is that the energy of biradical powder comes
One of source, they can also generate a large amount of energy when combining after-combustion.Meanwhile when dissolving low nitrogen nitrocotton, make nitrocotton
Becoming colloidal substance, key property is that combustion gas relative molecular weight is small, it is non-corrosive, it is few containing solids, it is free from environmental pollution, it is early
The biradical powder combustion temperature of phase is high, and biradical powder nitroglycerine content of today is little, and controls gunpowder by surface purification process
Combustibility reduces flame temperature, just makes combustion temperature moderate, burn rate is fast, does not generate flame, and smokelessly, physics, chemical safety are qualitative
It is good.In embodiment of the present invention, while it being added to single original washing powder and biradical powder component, has played respective activity beneficial in this way, singly,
Biradical powder plays performance leading role in the compositions of the present invention.
Nickel nitrate Ni (the NO proposed in component of the present invention3)2.6H2O belongs to inorganic oxidizer, and meeting combustible kindling can help
Gesture, thus have combustion adjuvant effect, relative density (water=1) 2.05 is mainly used as manufacture catalyst in the present invention, there is hygroscopy,
The weathering in dry air, explosive mixture can be formed by mixing with reducing agent.
Hydrazine hydrate H in component of the present invention2N.NH2.H2O, also known as hydrazine hydrate are colorless and transparent oily liquids, have
Strong basicity and hygroscopicity.Industrially it is normally applied the salt of hydrazine hydrate aqueous solution or hydrazine that content is 40-80%.Hydrazine hydrate liquid with
Dimer form exists, arbitrarily miscible with water and ethyl alcohol, resolves into N at high temperature2.NH3And H2, hydrazine hydrate reduction is extremely strong, work
Reducing agent, antioxidant are widely used as in industry.With strong permeability, in air can absorbing carbon dioxide, -40 DEG C of fusing point, boiling point
118.5 DEG C, relative density (water=1): 1.032) 21/4 DEG C, (about 1000 DEG C) chemical reaction stability are good at high temperature.
Ammonium dichromate NH in component of the present invention4CR2O7, molecular weight 252.07, specific gravity 2.152(250), relative density (water
=1): 2.15, it is decomposed 1700, is dissolved in water, 190 DEG C of ignition temperature, reduction carries out simultaneously with oxidation, the raised reaction of chemical valence
Object is reducing agent.Ammonium dichromate is photoactive substance, and trivalent chromium can be reduced into after exposure, is strong oxidizer, stable in the air.
The present invention proposes to grow into a kind of light multifunction new material, table because of expansion using crushed crude pearlite in component
Sight density is light, and thermal coefficient is low, and chemical stability is good, and use temperature range is wide, and wettability power is small, nontoxic, tasteless, prevents fires, tool
There is good thermal stability, catalyst action can be played in chemical reaction, is the filler material in the present composition.
Had compared with prior art using the rapid catalyst for cold light firework gunpowder proposed by the invention as follows
Advantage and good effect:
1, when being produced for fireworks with setting off using fireworks powder rapid catalyst of the invention, due to its product mix
Object is free of chloric acid salt component, and sensitivity is low, so security performance is high, general shock and friction will not explode and accident occur.
2, a certain amount of rapid catalyst of the invention is added in preparing cold light firework gunpowder component makes drug burn
Reaction speed can be improved in chemical reaction, shortens the reaction time, and some substances for being not susceptible to reaction can be made to promote it
It chemically reacts, and reaction is promoted to reach equilibrium state, toxic gas catalysis reaction can be made to generate nonhazardous gas, to protect
It has demonstrate,proved and has seted off safety, nonhazardous gas remains in air, solve the problems, such as that cold light firework sets off no sulphur, micro- cigarette, environmentally friendly low-carbon,
Resource is extensive, at low cost.
Specific embodiment
Below in conjunction with specific embodiment, present invention is further described in detail.
A kind of rapid catalyst for cold light firework gunpowder of the invention, characterized in that including nickel nitrate, hydrazine hydrate,
Ammonium dichromate, single original washing powder, biradical powder, crushed crude pearlite, water, the weight percent of mentioned component are as follows: nickel nitrate 4-8%, hydrazine hydrate 4-
8%, ammonium dichromate 5-10%, single original washing powder 15-30%, biradical powder 10-20%, crushed crude pearlite 5-10%, water 62-100%, the list original washing powder
More than 80 mesh, the biradical powder is 80 mesh or more, and the water is 60-80 DEG C of
List original washing powder proposed by the present invention is a kind of cordite agent, based on macromolecule chemical combination explosive, is homogeneous gunpowder, also cries molten
Gunpowder is moulded, because removing major part solvent, therefore also known as volatile solvent gunpowder after plasticizing forming.Due to having nitrocotton in ingredient
A kind of explosive is as energy foundation, so being single-base powder.For single original washing powder with after other fireworks pharmaceutical agent combinations compatibilities, when burning, can be very
It is fast to generate amount of heat and gas, high temperature and high pressure gas is formed to extraneous work done, and there is foot in the physical property of single original washing powder
Enough mechanical strengths, but change reduction as temperature change declines, because the chemistry of single original washing powder is mainly C, H, O, N, institute without element
It is all preferable with its stability, corrosivity and susceptibility.The burn rate of single original washing powder is slightly slow, has and delays composition burn time, component
In plus single original washing powder after product set off micro- cigarette, securely and reliably.
The biradical powder proposed in component of the present invention is wide in variety since application is than wide, and performance difference is bigger, because forming
Point also more complicated, main component forms fire by nitrocotton and common explosive solvent nitroglycerine or dinitroglycol
Medicine is loose and porous structure, and since constituent is relatively more, performance is better than single original washing powder, and nitrocotton is that the energy of biradical powder comes
One of source, they can also generate a large amount of energy when combining after-combustion.Meanwhile when dissolving low nitrogen nitrocotton, make nitrocotton
Becoming colloidal substance, key property is that combustion gas relative molecular weight is small, it is non-corrosive, it is few containing solids, it is free from environmental pollution, it is early
The biradical powder combustion temperature of phase is high, and biradical powder nitroglycerine content of today is little, and controls gunpowder by surface purification process
Combustibility reduces flame temperature, just makes combustion temperature moderate, burn rate is fast, does not generate flame, and smokelessly, physics, chemical safety are qualitative
It is good.So being used simultaneously in the present invention.
Nickel nitrate Ni (the NO proposed in component of the present invention3)2.6H2O belongs to inorganic oxidizer, and meeting combustible kindling can help
Gesture, thus have combustion adjuvant effect, relative density (water=1) 2.05 is mainly used as manufacture catalyst in the present invention, there is hygroscopy,
The weathering in dry air, explosive mixture can be formed by mixing with reducing agent.
Hydrazine hydrate H in component of the present invention2N.NH2.H2O, also known as hydrazine hydrate are colorless and transparent oily liquids, have
Strong basicity and hygroscopicity.Industrially it is normally applied the salt of hydrazine hydrate aqueous solution or hydrazine that content is 40-80%.Hydrazine hydrate liquid with
Dimer form exists, arbitrarily miscible with water and ethyl alcohol, resolves into N at high temperature2.NH3And H2, hydrazine hydrate reduction is extremely strong, work
Reducing agent, antioxidant are widely used as in industry.With strong permeability, in air can absorbing carbon dioxide, -40 DEG C of fusing point, boiling point
118.5 DEG C, relative density (water=1): 1.032) 21/4 DEG C, (about 1000 DEG C) chemical reaction stability are good at high temperature.
Ammonium dichromate NH in component of the present invention4CR2O7, molecular weight 252.07, specific gravity 2.152(250), relative density (water
=1): 2.15, it is decomposed 1700, is dissolved in water, 190 DEG C of ignition temperature, reduction carries out simultaneously with oxidation, the raised reaction of chemical valence
Object is reducing agent.Ammonium dichromate is photoactive substance, and trivalent chromium can be reduced into after exposure, is strong oxidizer, stable in the air.
The present invention proposes to grow into a kind of light multifunction new material, table because of expansion using crushed crude pearlite in component
Sight density is light, and thermal coefficient is low, and chemical stability is good, and use temperature range is wide, and wettability power is small, nontoxic, tasteless, prevents fires, tool
Have good thermal stability, catalyst action can be played in chemical reaction, be both in the composition be filled primarily with material, while
There is the booster action of catalyst in the chemical reaction of composition.
But above embodiment described in the invention is merely illustrative of the technical solution of the present invention and should not be understood as pair
The present invention imposes any restrictions.Those skilled in the art should understand that there is the present invention well known multiple material to substitute/replace
Change, without departing from essential meaning of the invention under the premise of, should all cover within the protection scope of the present invention.
Claims (1)
1. a kind of rapid catalyst for cold light firework gunpowder, which is characterized in that including nickel nitrate, hydrazine hydrate, ammonium dichromate,
Single original washing powder, biradical powder, crushed crude pearlite, water, the weight percent of mentioned component are as follows: nickel nitrate 4-8%, hydrazine hydrate 4-8%, dichromic acid
Ammonium 5-10%, single original washing powder 15-30%, biradical powder 10-20%, crushed crude pearlite 5-10%, water 62-100%, the list original washing powder be 80 mesh with
On, the biradical powder is 80 mesh or more, and the water is 60-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000585.1A CN109020762A (en) | 2018-08-30 | 2018-08-30 | A kind of rapid catalyst for cold light firework gunpowder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000585.1A CN109020762A (en) | 2018-08-30 | 2018-08-30 | A kind of rapid catalyst for cold light firework gunpowder |
Publications (1)
| Publication Number | Publication Date |
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| CN109020762A true CN109020762A (en) | 2018-12-18 |
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| CN201811000585.1A Pending CN109020762A (en) | 2018-08-30 | 2018-08-30 | A kind of rapid catalyst for cold light firework gunpowder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111454112A (en) * | 2020-04-05 | 2020-07-28 | 浏阳市海霸出口烟花有限公司 | Novel safe blasting powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215211A (en) * | 2007-01-04 | 2008-07-09 | 邹建文 | Smokeless flameless gunpowder agent |
| CN101481286A (en) * | 2008-09-26 | 2009-07-15 | 浏阳市龙腾花炮科技开发有限公司 | Smokeless lead medicament composition of firework |
| CN104276908A (en) * | 2013-07-10 | 2015-01-14 | 周健 | Safe environment-friendly novel pyrotechnic composition |
-
2018
- 2018-08-30 CN CN201811000585.1A patent/CN109020762A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215211A (en) * | 2007-01-04 | 2008-07-09 | 邹建文 | Smokeless flameless gunpowder agent |
| CN101481286A (en) * | 2008-09-26 | 2009-07-15 | 浏阳市龙腾花炮科技开发有限公司 | Smokeless lead medicament composition of firework |
| CN104276908A (en) * | 2013-07-10 | 2015-01-14 | 周健 | Safe environment-friendly novel pyrotechnic composition |
Non-Patent Citations (2)
| Title |
|---|
| 建筑考试培训研究中心: "《2014全国注册安全工程师执业资格考试红宝书安全生产技术》", 31 March 2014, 中国铁道出版社 * |
| 徐强国: "《烟花爆竹安全管理技术》", 31 December 2005, 南京大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111454112A (en) * | 2020-04-05 | 2020-07-28 | 浏阳市海霸出口烟花有限公司 | Novel safe blasting powder |
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Application publication date: 20181218 |
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