CN114456018A - Retarding agent for fireworks and firecrackers explosive - Google Patents
Retarding agent for fireworks and firecrackers explosive Download PDFInfo
- Publication number
- CN114456018A CN114456018A CN202111441766.XA CN202111441766A CN114456018A CN 114456018 A CN114456018 A CN 114456018A CN 202111441766 A CN202111441766 A CN 202111441766A CN 114456018 A CN114456018 A CN 114456018A
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- Prior art keywords
- explosive
- fireworks
- retardant
- parts
- firecrackers
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/12—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
- C06B33/14—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds at least one being an inorganic nitrogen-oxygen salt
Abstract
The invention discloses a retardant for a fireworks and firecrackers explosive, which comprises 38 parts of ferroferric oxide, 44 parts of calcium carbonate and 14 parts of Chinese fir charcoal powder by weight part, and all the components are uniformly mixed by a common method. The application of the retardation agent in the explosive of fireworks and firecrackers is provided. The retardant is added with the explosive of the fireworks according to the proportion and then is mixed evenly according to a common method. The weight parts of the retardant and the firecracker explosive are as follows: the explosive for fireworks and firecrackers is 1: 10. after the retardant is added into the firecracker explosive, the indexes of friction sensitivity, impact sensitivity and static spark sensitivity are obviously superior to those of the firecracker explosive without the retardant, the sensitivity is reduced, the safety coefficient is improved, and the firecracker explosive meets the requirements of national standards; and meanwhile, the explosion performance of the explosive is not influenced. The retarder component does not contain components restricted by the pyrotechnic composition, and does not cause environmental pollution.
Description
Technical Field
The invention relates to a firework powder for fireworks and crackers. In particular to an explosive.
Background
In the prior art, the blasting pyrotechnic composition for fireworks and crackers is also called blasting agent, unpacking agent or explosive. The existing fireworks and firecrackers explosion-initiating agent uses potassium perchlorate, barium nitrate, alloy powder (Mg-Al), aluminum silver powder, sulfur and the like as main raw materials. The method has the disadvantages of poor safety and extremely high friction and impact sensitivity, and according to the existing research, the impact sensitivity value of the mixture of barium nitrate, alloy powder and sulfur is up to 90 percent, and the friction sensitivity value of the mixture of potassium perchlorate, barium nitrate and alloy powder is up to 88 percent, which is shown in the author of research on mechanical sensitivity and impact initiation characteristics of typical fireworks and crackers agents: ginger, radix achyranthis bidentatae. So that the explosive can be easily burnt and exploded. After the explosive pyrotechnic composition is prepared, safety accidents caused in the production processes of storage, transportation, filling and the like in a firework factory are continuous, and serious casualties and property loss are frequently caused. Although the added passivator can reduce the friction and impact sensitivity of the explosive pyrotechnic composition to ensure that the explosive pyrotechnic composition is safe, the working performance of the explosive pyrotechnic composition is reduced, and the explosive effect is influenced.
Disclosure of Invention
In order to solve the above drawbacks, the present invention provides a retardant for explosive pyrotechnic compositions, which can effectively improve the safety of explosive pyrotechnic compositions during storage, transportation, filling, etc., but does not affect the explosive effect of explosive pyrotechnic compositions.
In order to solve the technical problems, the invention adopts the technical scheme that the retardant for the fireworks and firecrackers explosion-initiating medicine is characterized by comprising 38 parts of ferroferric oxide, 44 parts of calcium carbonate and 14 parts of Chinese fir charcoal powder by weight, and all the components are uniformly mixed by a common method.
The retardant is applied to the explosive of fireworks and firecrackers.
The retardant is added with the explosive of the fireworks according to the proportion and then is uniformly mixed according to a common method. Preferably, the weight part ratio of the retardant to the firecracker explosive is the retardant: the explosive for fireworks and firecrackers is 1: 10.
the invention has the beneficial effects that:
1. after the retardant is added into the firecracker explosive, the indexes of friction sensitivity, impact sensitivity and electrostatic spark sensitivity are obviously superior to those of the firecracker explosive without the retardant, the sensitivity is reduced, the safety coefficient is improved, and the firecracker explosive meets the requirements of national standards; and meanwhile, the explosion performance of the explosive is not influenced.
2. The retarder component does not contain components restricted by the pyrotechnic composition, and does not cause environmental pollution.
The present invention will be further explained by the following embodiments.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Detailed Description
Example 1: the preparation method of the retardation agent comprises the following steps: weighing 38 parts of ferroferric oxide, 44 parts of calcium carbonate and 14 parts of Chinese fir charcoal powder. The components are mixed evenly to obtain the retardation agent.
The fireworks and firecrackers explosion-initiating explosive of the combined fireworks (pot flower) product is called pot flower explosion-initiating explosive for short, and the preparation of the pot flower explosion-initiating explosive comprises the following steps: weighing 22 parts of potassium perchlorate, 24 parts of barium nitrate, 19 parts of alloy powder, 20 parts of aluminum silver powder and 15 parts of sulfur by weight, and uniformly mixing according to a known conventional process to prepare the aluminum alloy.
According to the weight part ratio, the slow-release agent: the pot flower explosive is uniformly mixed according to the proportion of 1: 10, and the obtained mixture A can be used for replacing the pot flower explosive.
Security performance detection
The mixture A prepared by the method is sampled and entrusted to a second station for monitoring and inspecting the quality of fireworks and firecrackers in Jiangxi province for the following detection:
firstly, sample source: sample number of 200g from Dongan New Material Co Ltd in Jiangxi province
II, checking items: degree of friction and degree of impact
Thirdly, checking according to the following steps: GB10631-2013 GB/T15814.1-2010
Fourthly, a main detecting instrument: electronic balance (034), drop hammer instrument (024), friction instrument (025)
Fifth, the test results are shown in table 1:
sixthly, result analysis: the sensitivity to friction and impact is an index for measuring the friction and impact resistance of the medicament in production, transportation and transportation, and the test results in table 1 show that: 1. the friction and impact sensitivity of the mixture A sample added with the retardant is far lower than that of the pot flower explosive not added with the retardant;
2. the friction and impact sensitivity of the mixture A sample added with the retarder meets the national standard requirements.
Test of explosion release performance
Firstly, testing a sample
1. Test group samples: the combined firework products using mixture a were randomly sampled 36 shots/shot x 10.
2. Control group samples: 36 fireworks/piece multiplied by 10 combined firework products applying the pot-flower explosive are randomly sampled.
Remarking: the two groups of samples differ only in that: the test group samples had a retardant added to the explosive. Other factors such as production process, environment, equipment, components, color effect and auxiliary materials are kept consistent.
Secondly, a test method comprises the following steps:
1. alternately setting off a test group sample and a control group sample on the same site;
2. observing and recording the explosion breadth of the product; counting the sintering rate of the product; the sound level value of the recorded product is measured.
Thirdly, testing results:
1. the explosion radius (the transverse distance between the roasted heat generated when the product is set off and the set-off central point) of each product of the two groups of samples of the explosion breadth is between 18 and 25 meters.
2. In 10 samples of the two groups of samples with the firing rate, 9 samples with the firing rate of 100 percent are used; the test group sample had a firing rate of 35/36; the control sample had a firing rate of 35/36.
3. Sound level values the sound level values/dB of each product of the two groups of samples are both between 100 and 110.
Fourthly, analyzing results: the bursting performance of the two groups of samples is not substantially different.
Example 2: the preparation method of the retardation agent comprises the following steps: weighing 38 parts of ferroferric oxide, 44 parts of calcium carbonate and 14 parts of Chinese fir charcoal powder. The components are mixed evenly to obtain the retarder.
The firecracker explosive of the firecracker product is called firecracker explosive for short, and the firecracker explosive is prepared by the following steps: weighing 10 parts of potassium perchlorate, 5 parts of aluminum silver powder and 6 parts of sulfur by weight, and uniformly mixing according to a known conventional process to prepare the aluminum-silver-aluminum alloy.
According to the weight part ratio, the slow-release agent: the firecracker starting explosive is uniformly mixed according to the proportion of 1: 10, and the obtained mixture B can replace the firecracker starting explosive.
Security performance detection
The mixture B prepared by the method is subjected to the following detection by sampling commission (Jiangxi province) Yichun inspection and quarantine technical research institute:
the first step is that the applicant: dongan New Material Co Ltd of Jiangxi province
Secondly, detecting and numbering: 12201900192
Thirdly, checking according to the following steps: GB/T1941.4-94
Fourthly, sample state: solid powder
Fifth, the test results are shown in table 2:
sixthly, result analysis: the electrostatic spark sensitivity is an index for measuring the electrostatic hazard resistance of the explosive in production, transportation and transportation, and the detection result shown in the table 2 shows that the detection result shows that the mixture B sample has low electrostatic sensitivity and is more insensitive than the explosive for firecrackers.
Test of explosion release performance
Firstly, testing a sample
1. Test group samples: randomly sampling the firecrackers using the mixture B for ten thousand rings.
2. Control group samples: randomly sampling and applying firecracker sound of firecracker explosive.
Remarking: the two groups of samples differ only in that: the test group samples had a retardant added to the explosive. Other factors such as production process, environment, equipment, components, color effect and auxiliary materials are kept consistent.
Secondly, a test method comprises the following steps:
1. alternately setting off the test group sample and the control group sample in the same place;
2. counting the sintering rate of the product; the sound level value of the recorded product is measured.
Thirdly, testing results:
1. the firing rate of the sample in the firing rate test group is about 95.6 percent; the firing rate of the control sample was about 94.1%.
2. Sound level values the sound level values/dB of both groups of samples were between 90-100.
Fourthly, analyzing results: the bursting performance of the two groups of samples is not substantially different.
Example 3: the preparation method of the retardation agent comprises the following steps: and (3) preparing a retarder, namely weighing 38 parts of ferroferric oxide, 44 parts of calcium carbonate and 14 parts of Chinese fir charcoal powder by weight. All the components are mixed evenly.
Mainly is the fireworks and firecrackers explosion powder of the fireworks (thunder) product of sound effect is called thunder powder for short, the preparation of thunder powder: weighing 50 parts of potassium perchlorate, 35 parts of aluminum silver powder and 15 parts of sulfur by weight, and uniformly mixing according to a known conventional process to prepare the aluminum-silicon alloy.
According to the weight part ratio, the slow-release agent: the thunder medicine is uniformly mixed according to the proportion of 1: 10, and the mixture C can be directly used for replacing the thunder medicine.
Test of explosion release performance
Firstly, testing a sample
1. Test group samples: random sampling 0.6 inch "sparkle" product 36 using blend C was used for emitting x 10 shots.
2. Control group samples: random sampling of 36X 10 shots of 0.6 inch "glitter" products using a laser.
Remarking: the two groups of samples differ only in that: the test group samples had a retardant added to the explosive. Other factors such as production process, environment, equipment, components, color effect and auxiliary materials are kept consistent.
Secondly, a test method comprises the following steps:
1. alternately setting off the test group sample and the control group sample in the same place;
2. counting the sintering rate of the product; the sound level value of the recorded product is measured.
Thirdly, testing results:
1. firing Rate 10 samples of the test group and 10 samples of the control group each had a firing rate of 100%.
2. Sound level values the sound level values/dB of the two groups of samples are both between 100 and 110.
Fourthly, analyzing results: the bursting performance of the two groups of samples did not differ.
The embodiments of the invention disclosed above are intended merely to aid in the explanation of the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. This invention can be practiced otherwise than as specifically described herein and similar modifications can be made by those skilled in the art without departing from the spirit and scope of the invention and it is intended that the invention be limited only by the claims and their full scope and equivalents, rather than by the specific embodiments disclosed.
Claims (4)
1. A retardant for fireworks and firecrackers explosion-initiating medicine is characterized by comprising 38 parts of ferroferric oxide, 44 parts of calcium carbonate and 14 parts of Chinese fir charcoal powder by weight, and all the components are uniformly mixed by a common method.
2. The use of the retardant of claim 1 in a fireworks explosive.
3. The use of claim 2, wherein the retardant is added to the explosive of the fireworks in a proportion and then mixed uniformly by a conventional method.
4. The use according to claim 3, wherein the weight ratio of the retardant to the firecracker explosive is the retardant: the explosive for fireworks and firecrackers is 1: 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441766.XA CN114456018B (en) | 2021-11-30 | 2021-11-30 | Retardant for fireworks and firecrackers explosion-initiating medicine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111441766.XA CN114456018B (en) | 2021-11-30 | 2021-11-30 | Retardant for fireworks and firecrackers explosion-initiating medicine |
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| CN114456018A true CN114456018A (en) | 2022-05-10 |
| CN114456018B CN114456018B (en) | 2023-04-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270014A (en) * | 2008-05-06 | 2008-09-24 | 湖南省浏阳金生花炮有限公司 | Blast black powder for fireworks |
| CN106187650A (en) * | 2016-07-25 | 2016-12-07 | 万载县建坤化工有限公司 | Fireworks and firecrackers opens quick-fried medicament composition |
| CN106495971A (en) * | 2016-10-13 | 2017-03-15 | 湖南荣晖实业有限公司 | Luxuriant medicine is opened without sulfur |
-
2021
- 2021-11-30 CN CN202111441766.XA patent/CN114456018B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270014A (en) * | 2008-05-06 | 2008-09-24 | 湖南省浏阳金生花炮有限公司 | Blast black powder for fireworks |
| CN106187650A (en) * | 2016-07-25 | 2016-12-07 | 万载县建坤化工有限公司 | Fireworks and firecrackers opens quick-fried medicament composition |
| CN106495971A (en) * | 2016-10-13 | 2017-03-15 | 湖南荣晖实业有限公司 | Luxuriant medicine is opened without sulfur |
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| CN114456018B (en) | 2023-04-07 |
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