CN105198680A - Sulfur-free composite material composition for preparing firecrackers - Google Patents
Sulfur-free composite material composition for preparing firecrackers Download PDFInfo
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- CN105198680A CN105198680A CN201510575965.8A CN201510575965A CN105198680A CN 105198680 A CN105198680 A CN 105198680A CN 201510575965 A CN201510575965 A CN 201510575965A CN 105198680 A CN105198680 A CN 105198680A
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- firecrackers
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Abstract
The invention provides a sulfur-free composite material composition for preparing firecrackers. The composition comprises a main body material and an auxiliary material, wherein the main body material is prepared from the following mass components in percentage by weight: 20 to 35 percent of barium nitrate, 10 to 15 percent of potassium nitrate and 50 to 65 percent of potassium perchlorate; the auxiliary material is prepared from organic components and inorganic components; according to the prepared sulfur-free composite material, the friction sensitiveness, impact sensitiveness and moisture absorption rate of a fire blasting agent are far lower than those of other products; the thermal stability is good, so that safety performance of the firecrackers is improved; since the sulfur-free composite material composition does not contain sulfur, no sulfur oxide is generated during fire blasting, and further the environment is protected.
Description
technical field: the present invention relates to a kind of pharmaceutical composition material, particularly one preparing fireworks and firecrackers and prepare firecrackers without sulphur composite.
background technology:
China is the source region of fireworks and firecrackers, the main grown place of Jiangxi, the Hunan intersection of the northwestward, Jiangxi and northeast, Hunan Dou Shi China fireworks and firecrackers through the ages, the domestic fireworks and firecrackers concentration of enterprises more than 2/3rds is at Jiangxi, Hunan intersection, and fireworks and firecrackers becomes one of mainstay industry of locality.
Burning and blast is all produced during fireworks and firecrackers final utilization, thus the chemical substance must exploded containing incendivity in its composition, this just brings serious potential safety hazard, the security incident that process generation was being produced, transported, and stored, set off to annual China fireworks and firecrackers industry is quite a lot of, and reducing security incident must produce, transport, store, set off strict security management and control in process.Prior means realize security from source, adopts new security raw material to replace the production of raw material for fireworks and firecrackers of highly dangerous.
Fireworks and firecrackers is as a great tradition industry of China, the production history of more than 1,000 year is had in China, fireworks and firecrackers product is while bringing joy, because its inflammable and explosive property has also brought certain harm, if it is careless slightly in process of production, just easily cause industrial accident, cause damage to the lives and properties of people colony.
Firecracker is made up of cylinder shell, blasting agent, sealing material, lead-in wire etc.Wherein producing the component fired is blasting agent and lead-in wire.
Blasting agent is the earliest black powder, and black powder is with SULPHUR POWDER and wood charcoal powder, mainly provides carbon, and saltpetre, mainly provides oxygen, forms according to the ratio (quality saltpetre 75%, sulphur 10%, charcoal 15%) of stoichiometric number " sulphur dinitro three charcoal ".Prepared Potcrate from Frenchman in 1786, after its Industrialized processing technique imports China into, people replace black powder to make Potcrate firecracker with its compound (Potcrate, wood charcoal powder, sulphur etc.).Due to the blast effectiveness of Potcrate compound, combustion speed, the pressure of blast, the sound of quick-fried sound, be better than black powder, the limit explosive load of firecracker is reduced greatly, but its danger is also apparent, Potcrate ignition temperature only 270 DEG C, clash into and sensitiveness to friction >85%, electrostatic discharge susceptivity is also quite high, as long as in production, transport, slightly clash in use procedure, rub and electrostatic effect, will cause combustion explosion.For this reason, last century, country carried out strict defining to the content of Potcrate in firecracker reagent about administrative authority, and the content proposing Potcrate in all fireworks and firecrackers medicaments must not more than 26.8%.Although use the content of Potcrate to reduce to some extent, various accident still happens occasionally.
Current national increases the dynamics to production safety management, and the many research institutions in fireworks and firecrackers industry and enterprise are carrying out the research work replacing Potcrate composition in fireworks and firecrackers always.Through the effort of scientific and technical personnel, study at the beginning of 21 century in successful fireworks and firecracker blasting agent and potassium perchlorate can be adopted to substitute Potcrate.Current firecracker blasting agent is primarily of potassium perchlorate, sulphur and aluminium powder composition, and its defect is sulfur-bearing, fires rear generation sulfur dioxide pollution air; Though two be potassium perchlorate than Potcrate safety, its friction sensitivity still has 26%, impact sensitivity 65%, rate of moisture absorption 1.2%, and water contacts with aluminium powder can produce hydrogen, danger is increased greatly, still has certain risk.
How to produce the firecrackers matrix material of a kind of safety without sulphur, it is safer than being used alone potassium perchlorate, and composite firecracker blasting agent is not containing sulphur environmental protection more; Make the safety in production of firecracker, lifting that one " matter " is played in transport, storage, use has very large realistic meaning to promotion fireworks and firecrackers industrial security, environmental protection again.
And the double voice cracker firecracker blasting agent that northern China generally uses is made up of nitrate of baryta, saltpetre, strontium nitrate, aluminium powder, alloy powder (magnalium).Formerly mainly produce in the Hebei province of drying, owing to starting a few years ago, Hebei province eliminates all fireworks and firecrackers enterprises, and this part production capacity transfers to Hunan, Jiangxi provinces.Moist southern climates makes moisture content in constituent higher, can produce hydrogen and spontaneous combustion when moisture contacts with aluminium powder, alloy powder, and the security incident of fireworks and firecrackers has very large ratio row to produce thus in recent years.
How to develop safety without the blasting agent sensitiveness to friction prepared by sulphur firecrackers matrix material, shock-sensitive degree, rate of moisture absorption far below other products, heat-resistant quality is good, and firecracker safety performance is improved.And do not produce oxysulfide when sulfur-bearing does not fire, protection of the environment.Can be used for common firecracker and double voice cracker firecracker; If Chinese Patent Application No. is 200610066543.X " a kind of composite oxidant for fireworks and firecrackers ", it comprises metal onidiges, saltpetre, the composition such as potassium perchlorate and tackiness agent, it is only the oxygenant producing fireworks and firecrackers, and after it adds other chemical compositions, one is can increase accordingly to spend quick-fried production cost.Also there is a certain distance in its result of use on the other hand, double-sound firecracker application can not be done, even if it is undesirable to be applied to double-sound firecracker effect, still there is certain safety hazard simultaneously.
summary of the invention:
The invention provides one and prepare firecrackers without sulphur composite, prepared without sulphur matrix material, blasting agent sensitiveness to friction, shock-sensitive degree, rate of moisture absorption are far below other products, and heat-resistant quality is good, and firecracker safety performance is improved.And do not produce oxysulfide when sulfur-bearing does not fire, protection of the environment.Can be used for common firecracker and double voice cracker firecracker.Promotion fireworks and firecrackers industrial security, environmental protection are produced and be significant.
One of the present invention prepares firecrackers without sulphur composite, and described composition comprises material of main part and subsidiary material, and material of main part described in it comprises following mass component nitrate of baryta 20-35, saltpetre 10-15 and potassium perchlorate 50-65; Described subsidiary material are organic constituent and inorganic component.
The organic constituent of subsidiary material of the present invention is peppermint and/or spices.
Inorganic component of the present invention is preferably manganese oxide and/or activated carbon.
Subsidiary material of the present invention account for the 0.5-10Wt% of described composition total mass.
The activated process of saltpetre of the present invention, described activation treatment refers to grinds number ten hours by saltpetre through ball milling activation; Typically by ball milling 12-48 hour, about saltpetre being ground to 200 orders.
Production method: production technique of the present invention is simple, about first saltpetre ball milling being activated to 200 orders, then mix by quality proportioning with potassium perchlorate, nitrate of baryta etc. and pulverize, add subsidiary material again to pulverize simultaneously, sieve, mixing is by above-mentioned each component drug by the mixing of quality proportioning, then carries out coating process with the agent of inertia coating, drying, packaging is product of the present invention.
Composition of the present invention has following advantage:
Process advantage: product processes flow process of the present invention is simple, process without chemical reaction, without High Temperature High Pressure, without dangerous technique, three-waste free discharge, operational condition gentleness, safety and environmental protection, energy-saving and emission-reduction;
Security advantages: the material that product safety adopts without sulphur firecrackers matrix material has good security, coating process makes product cover the inert coating of one deck densification, both water suction and aluminium powder reaction had been prevented, this reaction produces hydrogen and heat release, effectively reduce again the sensitiveness to friction of product, shock-sensitive degree, firecracker safety performance is significantly improved;
Product of the present invention and the used potassium perchlorate of firecracker industry are compared as follows in table 1:
table 1 product compares with potassium perchlorate
Illustrate that product safety performance of the present invention is domestically leading.
Environment-friendly type advantage: product safety of the present invention is without the composite firecracker blasting agent not sulfur-bearing of sulphur firecrackers matrix material, do not produce oxysulfide when firing, add organic constituent as peppermint etc. simultaneously, after setting off firework, also have the delicate fragrance of peppermint in atmosphere, capable of purifying air, obvious environment benefit;
Quality-advantage: product safety both can safely for common firecracker without sulphur firecrackers matrix material, also can safely for double voice cracker firecracker, and be that other like products are beyond one's reach quality, product of the present invention detects through related detection department, and quality index is as following table 2:
table 2 quality index of the present invention
Product safety of the present invention is mainly made up of nitrate of baryta, saltpetre and potassium perchlorate without sulphur firecrackers matrix material and carries out the process of inertia coating, the agent of described inertia coating is by commercially available acquisition, the domestic report there are no researching and producing, it significantly improves than the potassium perchlorate safety performance adopted now, with aluminium powder is composite make firecracker blasting agent after, oxysulfide is not produced when sulfur-bearing does not fire, add auxiliary component peppermint and/or spices simultaneously, make to spend the quick-fried delicate fragrance having one peppermint in atmosphere, more friendly to environment, obvious environment benefit.It is the upgraded product of traditional Potcrate blasting agent.
Application innovation of the present invention, for nitrate of baryta is applied to firecracker blasting agent field first, has widened the Application Areas of nitrate of baryta, and also effectively reduce manufacturing cost, the nitrate of baryta of low price is also the firecracker starting material about administrative authority's recommendation simultaneously.
Application innovation, range of application is wider, and also showing as safety both can safely for common firecracker without sulphur firecrackers matrix material, also can safely for double voice cracker firecracker.Present common firecrackers blasting agent is made up of potassium perchlorate, sulphur and aluminium powder, double voice cracker firecracker blasting agent is made up of nitrate of baryta, saltpetre, strontium nitrate, aluminium powder, alloy powder (magnalium), wherein alloy powder is worked as responsive to aqueous phase, hydrogen and spontaneous combustion can be produced when moisture contacts with alloy powder, Project Product replaces former double voice cracker firecracker blasting agent, and safety performance significantly improves.
Present composition product, detects indices through Jiangxi Province's fireworks quality monitoring testing station and all meets the requirements.Table 3.
Name of product: without sulphur firecrackers matrix material (product of the present invention),
Sample characteristics of for example and state: white powder;
Test basis: GB10631-2013, GB/T21242-2007, SN/T0306.4-2006;
Table 3
Illustrate: all technical of product of the present invention all reaches quality standards requirement.
embodiment:below in conjunction with embodiment, the present invention is described in further detail.Mass parts.
Prepare each component of pharmaceutical composition of the present invention all by commercially available acquisition.In subsidiary material, organic constituent accounting is 1-10Wt%, and inorganic component accounting is 90-99Wt%.
example 1
Nitrate of baryta 25, saltpetre 15, potassium perchlorate 65; Described subsidiary material organism component is peppermint and inorganic component is activated carbon, the amount that subsidiary material add is 0.8% of total composition, in the quality wherein added at subsidiary material, peppermint accounts for 10%, activated carbon accounts for 90%, preparation method carries out as described above, and saltpetre activation treatment is through ball milling activation grinding 18 hours.
example 2,in the present embodiment, undeclared part is with example 1;
Nitrate of baryta 35, saltpetre 10, potassium perchlorate 55; Described subsidiary material organism component is peppermint and spices composition, and described spices is that peppermint and spices mix in any proportion by the commercially available essence obtained; Inorganic component is that activated carbon and manganese oxide mix equally in any proportion, and the amount that subsidiary material add is 8% of total composition, and in the quality wherein added at subsidiary material, organic constituent accounts for 2%, and inorganic component accounts for 98%.Preparation method carries out as described above, but when the inorganic component added includes activated carbon component, equally will to activation treatment, about being namely ground to 200 orders to activated carbon.
example 3,in the present embodiment, undeclared part is with example 1;
Nitrate of baryta 35, saltpetre 15, potassium perchlorate 50; Described subsidiary material organism component is spices, and described spices is by the commercially available essence obtained; Inorganic component is manganese oxide, and the amount that subsidiary material add is the 0.5Wt% of composition total mass, and in subsidiary material, organic constituent accounts for 5Wt%, and inorganic component accounts for 95Wt%.That is to say that essence add-on accounts for the 5Wt% of subsidiary material, manganese oxide then accounts for 95Wt%; Preparation method carries out as described above.
Claims (5)
1. prepare firecrackers without a sulphur composite, described composition, comprise material of main part and subsidiary material, it is characterized in that described material of main part comprises following mass component nitrate of baryta 20-35, saltpetre 10-15 and potassium perchlorate 50-65; Described subsidiary material are organic constituent and inorganic component.
2. prepare firecrackers without sulphur composite according to one according to claim 1, it is characterized in that the organic constituent of described subsidiary material is peppermint and/or spices.
3. prepare firecrackers without sulphur composite according to one according to claim 1, it is characterized in that described inorganic component is manganese oxide and/or activated carbon.
4. prepare firecrackers without sulphur composite according to one according to claim 1, it is characterized in that described subsidiary material account for the 0.5-10Wt% of described composition total mass.
5. prepare firecrackers without sulphur composite according to one according to claim 1, it is characterized in that the activated process of described saltpetre, described activation treatment refers to grinds number ten hours by saltpetre through ball milling activation.
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| CN201510575965.8A CN105198680A (en) | 2015-09-11 | 2015-09-11 | Sulfur-free composite material composition for preparing firecrackers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829401A (en) * | 2015-05-25 | 2015-08-12 | 雍和平 | Safe environment-friendly colorful firecracker reagent and method for preparing colorful firecracker by using reagent |
| CN105732242A (en) * | 2016-01-27 | 2016-07-06 | 张京 | Fragrant fireworks |
| CN107056563A (en) * | 2017-02-15 | 2017-08-18 | 湖南荣晖实业有限公司 | Without sulphur firecrackers medicine |
| CN113402346A (en) * | 2021-07-20 | 2021-09-17 | 北京理工大学 | Safe and environment-friendly stable explosive and preparation method thereof |
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| CN1031998A (en) * | 1987-07-20 | 1989-03-29 | 云南省江川县海浒花炮厂 | The Recipe for making fragrant firecrackers that does not contain sulphur and sulfide |
| CN1076436A (en) * | 1992-03-19 | 1993-09-22 | 项世文 | The safety fireworks firecracker gunpowder that does not contain sulphur and carbon |
| CN1743297A (en) * | 2004-08-30 | 2006-03-08 | 龙文革 | Fireworks and firecrackers oxidant |
| US7344610B2 (en) * | 2003-01-28 | 2008-03-18 | Hodgdon Powder Company, Inc. | Sulfur-free propellant compositions |
| CN101613245A (en) * | 2009-07-22 | 2009-12-30 | 湖南南岭民用爆破器材股份有限公司 | A kind of safe oxidant for firecrackers |
| CN101921159A (en) * | 2010-08-13 | 2010-12-22 | 湖南安全技术职业学院 | Sulfur-free and pearlite-free firecracker reagent and preparation method thereof |
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2015
- 2015-09-11 CN CN201510575965.8A patent/CN105198680A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1031998A (en) * | 1987-07-20 | 1989-03-29 | 云南省江川县海浒花炮厂 | The Recipe for making fragrant firecrackers that does not contain sulphur and sulfide |
| CN1076436A (en) * | 1992-03-19 | 1993-09-22 | 项世文 | The safety fireworks firecracker gunpowder that does not contain sulphur and carbon |
| US7344610B2 (en) * | 2003-01-28 | 2008-03-18 | Hodgdon Powder Company, Inc. | Sulfur-free propellant compositions |
| CN1743297A (en) * | 2004-08-30 | 2006-03-08 | 龙文革 | Fireworks and firecrackers oxidant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829401A (en) * | 2015-05-25 | 2015-08-12 | 雍和平 | Safe environment-friendly colorful firecracker reagent and method for preparing colorful firecracker by using reagent |
| CN104829401B (en) * | 2015-05-25 | 2017-03-15 | 雍和平 | A kind of safety and environmental protection colorful firecrackers medicament and the method for preparing colorful firecrackers with the medicament |
| CN105732242A (en) * | 2016-01-27 | 2016-07-06 | 张京 | Fragrant fireworks |
| CN107056563A (en) * | 2017-02-15 | 2017-08-18 | 湖南荣晖实业有限公司 | Without sulphur firecrackers medicine |
| CN113402346A (en) * | 2021-07-20 | 2021-09-17 | 北京理工大学 | Safe and environment-friendly stable explosive and preparation method thereof |
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Application publication date: 20151230 |