CN120667986A - BLG-1-based electric ignition element and preparation method and application thereof - Google Patents
BLG-1-based electric ignition element and preparation method and application thereofInfo
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- CN120667986A CN120667986A CN202510838351.8A CN202510838351A CN120667986A CN 120667986 A CN120667986 A CN 120667986A CN 202510838351 A CN202510838351 A CN 202510838351A CN 120667986 A CN120667986 A CN 120667986A
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Abstract
The invention relates to a BLG-1-based electric ignition element and a preparation method thereof. The initiating explosive is bromate 4,4' -diazo-1, 2, 4-triazole copper (BLG-1), the binder is one or more of polyvinyl alcohol, nitrocotton and phenolic resin, the initiating explosive is one or more of Zr/KClO 4、B/KNO3、Al/KClO4, and the initiating component is one of a bridge wire, a bridge belt and a semiconductor bridge. The initiating explosive and the binder are mixed and coated on the surface of the ignition component in proportion, and the mixture of the initiating explosive and the binder is dipped after drying to prepare the ignition head. The electric ignition element has high safety, can continuously release bright flame and generate glowing solid residues, and has high ignition capability.
Description
Technical Field
The invention relates to the technical fields of solid rocket engines, fire-fighting unmanned aerial vehicle engines, aerosol fire extinguishing devices, automobile safety airbags and the like, in particular to a BLG-1 base electric ignition element, a preparation method and application thereof.
Background
The electric ignition element is widely used in ignition devices for igniting main charges, further realizing the functions of stably and continuously outputting flame, heat and high-temperature burning solid particles, and acting on next-stage devices such as rocket engines, fire-fighting unmanned aerial vehicle engines, aerosol fire extinguishing devices, automobile safety airbags and the like.
The electric ignition element mainly comprises an initiating explosive and an ignition explosive, wherein the initiating explosive is an agent with higher flame sensitivity, and the stefenac lead has higher flame sensitivity and needle penetration sensitivity and is usually used as the initiating explosive of the electric ignition element, but because heavy metal lead contained in the initiating explosive can cause great harm to human bodies and cause serious pollution to the environment, the research on the use of an energy-containing material which is environment-friendly and has suitable sensitivity as the initiating explosive has been a long-sought goal.
Disclosure of Invention
The invention solves the technical problems of overcoming the defects of the prior art and providing a BLG-1-based electric ignition element and a preparation method thereof, wherein the electric ignition element has shorter ignition delay time, longer output flame, more high-temperature glowing solid particles of combustion products, and capability of improving the capability of igniting lower-level ignition powder.
The technical scheme of the invention is as follows:
A BLG-1 based electric firing element, the composition of the BLG-1 based electric firing element including an initiating explosive, a binder, an ignition charge, and a firing member;
wherein the initiating explosive is 4,4' -diazo-1, 2, 4-triazolyl copper bromate (BLG-1);
the binder is at least one of polyvinyl alcohol, nitrocotton and phenolic resin;
The ignition powder is prepared from at least one of Zr/KClO 4、B/KNO3、Al/KClO4;
the ignition member is one of a bridgewire such as a nichrome bridgewire, a bridgestrap, a semiconductor bridge.
A method of making a BLG-1 based electrical firing element, the method comprising the steps of:
firstly, preparing an adhesive solution by mixing an adhesive and a solvent to obtain the adhesive solution;
Secondly, mixing the initiating explosive with the binder solution obtained in the first step to obtain the primer;
thirdly, coating the ignition powder obtained in the second step on the surface of a bridge area of the ignition part, and airing;
Fourthly, uniformly mixing the raw materials of the ignition powder with a binder to obtain ignition powder slurry;
And fifthly, dipping the ignition component with the surface coated with the gunpowder in the bridge area obtained in the third step into the gunpowder slurry obtained in the fourth step, so that the ignition component is coated with a layer of the gunpowder slurry, and airing to obtain the BLG-1-based electric ignition element.
Use of a BLG-1 based electric ignition member to place the resulting BLG-1 based electric ignition member into an ignition device for igniting a main charge.
In the first step, the solvent is at least one of deionized water, ethanol and ethyl acetate;
in the first step, the mass concentration of the binder solution is 2% -10%;
in the first step, when the binder is mixed with the solvent:
when the solvent is deionized water and the binder is polyvinyl alcohol, the mixing temperature is 100-110 ℃;
when the solvent is ethyl acetate and the binder is nitrocotton, the mixing temperature is 30-35 ℃;
when the solvent is ethanol and the binder is phenolic resin, the mixing temperature is room temperature;
in the second step, the mass ratio of the binder solution to the initiating explosive is 0.8-1.5:1;
In the second step, stirring is carried out when the initiating explosive and the binder solution are mixed, and the stirring time is 10-15min;
in the third step, the air drying time is 18-24 hours;
In the fifth step, the air drying time is 18-24 hours.
The invention has the following beneficial effects:
(1) The electric ignition element has shorter ignition delay time, has longer output flame because the electric ignition powder contains metal, has more solid particles with high-temperature burning, can reliably ignite lower-level charge, and has wide application prospect in the fields of rocket engines, fire-fighting unmanned aerial vehicle engines, aerosol fire extinguishing devices, automobile safety airbags and the like.
(2) The preparation method of the BLG-1-based electric ignition element has the advantages of easily available raw materials, simple preparation method, higher safety in operation process and contribution to realizing industrial production.
The invention relates to a BLG-1-based electric ignition element and a preparation method thereof. The initiating explosive is bromate 4,4' -diazo-1, 2, 4-triazole copper (BLG-1), the binder is one or more of polyvinyl alcohol, nitrocotton and phenolic resin, the initiating explosive is one or more of Zr/KClO 4、B/KNO3、Al/KClO4, and the initiating component is one of a bridge wire, a bridge belt and a semiconductor bridge. The initiating explosive and the binder are mixed and coated on the surface of the ignition component in proportion, and the mixture of the initiating explosive and the binder is dipped after drying to prepare the ignition head. The electric ignition element has high safety, can continuously release bright flame and generate glowing solid residues, and has high ignition capability. The BLG-1 is used as an initiating explosive to enable the electric ignition element to have a short ignition delay time and reliably ignite the ignition powder, the sensitivity and the ignition delay time of the electric ignition element can be regulated by changing the type and the concentration of the binder, the combustion performance of the electric ignition element can be obviously regulated, and the output performance of the electric ignition element can be changed by changing the type of the ignition powder. In a word, the electric ignition element using BLG-1 as the initiating explosive has wide application prospect in the aspects of solid rocket engines, fire-fighting unmanned aerial vehicle engines, aerosol fire extinguishing devices and automobile safety airbags. And the preparation method of the electric ignition element is simple and convenient, and the technical process has strong operability. The BLG-1-based electric ignition element has good ignition performance and output performance, and has wide application prospects in the fields of rocket engines, fire-fighting unmanned aerial vehicle engines, aerosol fire extinguishing devices, automobile safety airbags and the like.
Drawings
FIG. 1 is a diagram of a BLG-1 based electric fire element firing process for a phenolic resin binder;
FIG. 2 is a diagram of a BLG-1 based electric ignition element ignition process for a polyvinyl alcohol binder;
FIG. 3 is a diagram of the firing process of a BLG-1 based electric firing element of a nitrocotton binder;
Fig. 4 is a schematic structural view of the ignition member obtained in example 1.
Detailed Description
The invention is further illustrated, but not limited, by the following examples.
Example 1
A method of making a BLG-1 based electrical firing element of a phenolic resin binder, the method comprising the steps of:
Firstly, putting 0.6g of phenolic resin into a beaker A, then adding 19.4g of ethanol, and stirring for 10min to obtain a phenolic resin solution;
Secondly, pouring 200mg of BLG-1 initiating explosive into another beaker B, taking out 240mg of the phenolic resin solution obtained in the first step, putting into the beaker B, and stirring and mixing for 10min to obtain the primer;
thirdly, coating the igniting powder obtained in the second step on the surface of a bridge area of the semiconductor bridge, and airing, wherein the airing time is 24 hours;
Fourth, 3g of Zr/KCLO 3 (the mass ratio of Zr to KCLO 3 is 1:1) is mixed with 1.3g of the phenolic resin solution obtained in the first step, and the mixture is stirred for 10min to obtain ignition powder slurry;
Fifthly, dipping the semiconductor bridge with the surface coated with the ignition powder in the ignition powder slurry obtained in the fourth step, so that the semiconductor bridge is coated with a layer of the ignition powder slurry, airing, and airing for 24 hours to obtain a BLG-1-based electric ignition element, wherein the BLG-1-based electric ignition element is shown in fig. 4;
Use of a BLG-1 based electric ignition member to place the resulting BLG-1 based electric ignition member into an ignition device for igniting a main charge.
And the obtained BLG-1-based electric ignition element is subjected to an ignition performance test, wherein a process diagram of the ignition test is shown in fig. 1, and the longer the performance ignition output flame duration of the electric ignition element is, the better the effect is. The BLG-1 base electric ignition element is fixed on a rack, the tail parts of wires at two ends of the electric ignition element are respectively clamped by an input clip and an output clip of a power supply, the input current and the input voltage of the power supply are set to be 5A and 5V, experiments are carried out, and the ignition process is recorded by telling photography. Experiments show that the ignition delay time of the electric ignition element is 10ms, the flame duration time is 253ms, and the electric ignition element has good application potential.
Example 2
A method of making a BLG-1 based electrical firing element of a polyvinyl alcohol binder, the method comprising the steps of:
firstly, putting 0.8g of polyvinyl alcohol into a beaker A, then adding 19.2g of deionized water, and stirring at 110 ℃ until the polyvinyl alcohol is completely dissolved to obtain a polyvinyl alcohol solution;
secondly, pouring 200mg of BLG-1 initiating explosive into another beaker B, taking out 240mg of the polyvinyl alcohol solution obtained in the first step, putting into the beaker B, and stirring and mixing for 10min to obtain the primer;
thirdly, coating the igniting powder obtained in the second step on the surface of a bridge area of the semiconductor bridge, and airing, wherein the airing time is 24 hours;
Fourthly, putting 0.6g of phenolic resin into a beaker C, then adding 19.4g of ethanol, and stirring for 10min to obtain a phenolic resin solution;
Fifthly, mixing 3g of Zr/KCLO 3 (the mass ratio of Zr to KCLO 3 is 1:1) with 1.3g of the phenolic resin solution obtained in the fourth step, and stirring for 10min to obtain ignition powder slurry;
And sixth, dipping the semiconductor bridge with the surface coated with the primer powder in the third step into the primer powder slurry obtained in the fourth step, so that the semiconductor bridge is coated with a layer of primer powder slurry, and airing the semiconductor bridge for 24 hours to obtain the BLG-1-based electric primer component.
Use of a BLG-1 based electric ignition member to place the resulting BLG-1 based electric ignition member into an ignition device for igniting a main charge.
The resulting BLG-1 based electrical firing element was subjected to a firing test, the firing test procedure diagram being shown in fig. 2. The longer the performance of the electrical firing element fires the output flame duration, the better the effect. The BLG-1 base electric ignition element is fixed on a rack, the tail parts of wires at two ends of the electric ignition element are respectively clamped by an input clip and an output clip of a power supply, the input current and the input voltage of the power supply are set to be 5A and 5V, experiments are carried out, and the ignition process is recorded by telling photography. Experiments show that the ignition delay time of the electric ignition element is 5ms, the flame duration time is 244ms, and the electric ignition element has good application potential.
Example 3
A method for preparing a nitrocotton binder BLG-1 based electric ignition element, the method comprising the steps of:
Firstly, putting 0.8g of nitrocotton into a beaker A, then adding 19.2g of ethyl acetate, and stirring at 35 ℃ until the nitrocotton is completely dissolved to obtain a nitrocotton solution;
Secondly, pouring 200mg of BLG-1 initiating explosive into another beaker B, taking out 240mg of the nitrocotton solution obtained in the first step, putting into the beaker B, stirring and mixing for 10min to obtain the primer;
thirdly, coating the igniting powder obtained in the second step on the surface of a bridge area of the semiconductor bridge, and airing, wherein the airing time is 24 hours;
Fourthly, putting 0.6g of phenolic resin into a beaker C, then adding 19.4g of ethanol, and stirring for 10min to obtain a phenolic resin solution;
Fifthly, mixing 3g of Zr/KCLO 3 (the mass ratio of Zr to KCLO 3 is 1:1) with 1.3g of the phenolic resin solution obtained in the fourth step, and stirring for 10min to obtain ignition powder slurry;
And sixth, dipping the semiconductor bridge with the surface coated with the primer powder in the third step into the primer powder slurry obtained in the fourth step, so that the semiconductor bridge is coated with a layer of primer powder slurry, and airing the semiconductor bridge for 24 hours to obtain the BLG-1-based electric primer component.
Use of a BLG-1 based electric ignition member to place the resulting BLG-1 based electric ignition member into an ignition device for igniting a main charge.
The resulting BLG-1 based electrical firing element was subjected to a firing test, the firing test procedure diagram being shown in fig. 3. The longer the performance of the electrical firing element fires the output flame duration, the better the effect. The BLG-1 base electric ignition element is fixed on a rack, the tail parts of wires at two ends of the electric ignition element are respectively clamped by an input clip and an output clip of a power supply, the input current and the input voltage of the power supply are set to be 5A and 5V, experiments are carried out, and the ignition process is recorded by telling photography. Experiments show that the ignition delay time of the electric ignition element is 5ms, the flame duration time is 207ms, and the electric ignition element has good application potential.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A BLG-1 based electrical firing element characterized by:
the composition of the BLG-1-based electric ignition element comprises an initiating explosive, a binder, an ignition explosive and an ignition member;
wherein the initiating explosive is 4,4' -diazo-1, 2, 4-triazolyl copper bromate.
2. A BLG-1 based electrical firing element as in claim 1, wherein:
the binder is at least one of polyvinyl alcohol, nitrocotton and phenolic resin;
The ignition powder is prepared from at least one of Zr/KClO 4、B/KNO3、Al/KClO4;
the ignition component is one of a bridge wire, a bridge belt and a semiconductor bridge.
3. A BLG-1 based electrical firing element as in claim 1, wherein:
the bridge wire is nickel-chromium bridge wire.
4. A method of making a BLG-1 based electrical firing element, the method comprising the steps of:
firstly, mixing a binder and a solvent to obtain a binder solution;
Secondly, mixing the initiating explosive with the binder solution obtained in the first step to obtain the primer;
thirdly, coating the ignition powder obtained in the second step on the surface of a bridge area of the ignition part, and airing;
Fourthly, uniformly mixing the raw materials of the ignition powder with a binder to obtain ignition powder slurry;
And fifthly, dipping the ignition component with the surface coated with the gunpowder in the bridge area obtained in the third step into the gunpowder slurry obtained in the fourth step, so that the ignition component is coated with a layer of the gunpowder slurry, and airing to obtain the BLG-1-based electric ignition element.
5. A method of making a BLG-1 based electrical firing device as in claim 4, wherein:
in the first step, the solvent is at least one of deionized water, ethanol and ethyl acetate;
In the first step, the mass concentration of the binder solution is 2% -10%.
6. A method of making a BLG-1 based electrical firing device as in claim 4, wherein:
in the first step, when the binder is mixed with the solvent:
when the solvent is deionized water and the binder is polyvinyl alcohol, the mixing temperature is 100-110 ℃;
when the solvent is ethyl acetate and the binder is nitrocotton, the mixing temperature is 30-35 ℃;
when the solvent is ethanol and the binder is phenolic resin, the mixing temperature is room temperature.
7. A method of making a BLG-1 based electrical firing device as in claim 4, wherein:
in the second step, the mass ratio of the binder solution to the initiating explosive is 0.8-1.5:1;
in the second step, the primary explosive and the binder solution are stirred during mixing, and the stirring time is 10-15min.
8. A method of making a BLG-1 based electrical firing device as in claim 4, wherein:
In the third step, the air drying time is 18-24 hours.
9. A method of making a BLG-1 based electrical firing device as in claim 4, wherein:
In the fifth step, the air drying time is 18-24 hours.
10. Use of a BLG-1 based electrical firing element characterized by:
The resulting BLG-1 based electric ignition element is placed into an ignition device for igniting the main charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510838351.8A CN120667986A (en) | 2025-06-23 | 2025-06-23 | BLG-1-based electric ignition element and preparation method and application thereof |
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| CN202510838351.8A CN120667986A (en) | 2025-06-23 | 2025-06-23 | BLG-1-based electric ignition element and preparation method and application thereof |
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| CN202510838351.8A Pending CN120667986A (en) | 2025-06-23 | 2025-06-23 | BLG-1-based electric ignition element and preparation method and application thereof |
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