CN103387475A - Ignition charge for seismic exploration electric detonator - Google Patents
Ignition charge for seismic exploration electric detonator Download PDFInfo
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- CN103387475A CN103387475A CN2013103283968A CN201310328396A CN103387475A CN 103387475 A CN103387475 A CN 103387475A CN 2013103283968 A CN2013103283968 A CN 2013103283968A CN 201310328396 A CN201310328396 A CN 201310328396A CN 103387475 A CN103387475 A CN 103387475A
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- electric detonator
- cotton
- nitro
- priming
- seismic prospecting
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Abstract
The invention discloses an ignition charge for a seismic exploration electric detonator, and aims to solve the problems that the action time is long, the ignition synchronism is poor, and the second capacity accuracy is low when the existing ignition charge is used for a seismic exploration electric detonator. The ignition charge comprises an initiating explosive and an addition agent, wherein the initiating explosive is trinitro-resorcinol lead, and the addition agent is nitrocotton. The ignition charge for the seismic exploration electric detonator, provided by the invention, is tested, the test result proves that the action time is short through using the electric ignition charge provided by the invention, the ignition synchronism is good, the second capacity accuracy is high, and the ignition charge has the good effect when being used for the seismic exploration electric detonator.
Description
Technical field
The present invention relates to the initiating equipment field, especially a kind of seismic prospecting electric detonator priming.
Background technology
Seismic prospecting electric detonator is a kind of special initiating equipment that often uses in seismic exploration project, and itself and explosive-source explosive post support the use, and it requires the ignition high conformity, and action time is short, and detonating capability is enough.The ignition mechanism of this product is by product is passed to electric current, makes the bridge silk heating of fire element in product, after temperature reaches the point of ignition of priming, causes the electrical fuze burning, and then product is blasted.
Wherein, the ignition that the electrical fuze that assembles for electrical detonator burns roughly can be divided into: the temperature-rise period of bridge silk, the thermal endothermic decomposition of priming and combustion processes.Therefore, the performance of the priming in electrical fuze directly affects the quality product of seismic prospecting electric detonator.
At present, the kind of the priming of China is more, comprises that charcoal is that priming, DDNP series priming and potassium picrate are priming etc.But when existing priming is used for seismic prospecting electric detonator, there is long action time, ignition poor synchronization, the problem that second amount precision is low.
Summary of the invention
Goal of the invention of the present invention is: when existing priming is used for seismic prospecting electric detonator, have long action time, get angry poor synchronization, the problem that second amount precision is low, provide a kind of seismic prospecting electric detonator priming.Test-results shows: use electrical fuze of the present invention short action time, the synchronism of getting angry is good, and second amount precision is high, uses it for seismic prospecting electric detonator, has obtained effect preferably.
To achieve these goals, the present invention adopts following technical scheme:
A kind of seismic prospecting electric detonator priming, comprise priming explosive and additive, and described priming explosive is lead trinitroresorcinate, and described additive is nitro-cotton;
The ratio of weight and number of described priming explosive and additive is as follows: 90-95 part priming explosive, 5-10 part nitro-cotton.
In described nitro-cotton, the mass percent of nitrogen is 7.0%-15%.
In described nitro-cotton, the mass percent of nitrogen is 7.0%-12.5%.
In described nitro-cotton, the mass percent of nitrogen is 11%-15%.
Described lead trinitroresorcinate is neutral lead trinitroresorcinate or alkaline lead trinitroresorcinate, and the apparent density of described lead trinitroresorcinate is 1.4-1.8g/cm
3
Also comprise organic solvent, the ratio of weight and number of each component is as follows: 90-95 part priming explosive, 5-10 part nitro-cotton, 10-40 part organic solvent.
Described organic solvent is a kind of in acetone, glacial acetic acid, methyl alcohol, ethyl acetate, pentyl acetate.
Described organic solvent is the alcohol ether mixed solution, described pure ethereal solution is comprised of alcoholic solution and ethereal solution, the ratio of weight and number of described alcoholic solution and ethereal solution is 1:3, and described alcoholic solution is a kind of in ethanol, ethylene glycol, propylene glycol, and described ethereal solution is a kind of in methyl ether, ether.
With the electrical fuze that uses priming of the present invention to make, test and detect, obtain following performance test data.
50 generating igniting heads are action time: average 0.25ms, standard deviation 0.018ms, extreme difference 0.05ms(3.5A initiation current).
50 seismic prospecting electric detonators are action time: average 0.68ms, standard deviation 0.230ms, extreme difference 0.073ms(3.5A initiation current).
Can find out from the performance test data of said determination, the present invention has following advantage: the present invention is used lead trinitroresorcinate as the Main Function composition, be aided with simultaneously nitro-cotton, lead trinitroresorcinate and nitro-cotton have good consistency, both cooperatively interact, thereby the priming that makes preparation has the advantages that bursting point is lower, explosion velocity is high, be conducive to reduce the action time of electric match, simultaneously, the present invention has good forming property, be conducive to the shaping of electric match, prevent shrinkage cavity.Electric match good reliability of the present invention, stable performance.
Embodiment
Disclosed all features in this specification sheets, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification sheets, unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
Embodiment 1
Take 90g lead trinitroresorcinate, 10g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, oven dry, obtain product.
Embodiment 2
Take 95g lead trinitroresorcinate, 5g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with the 10g glacial acetic acid, oven dry, obtain product.
Embodiment 3
Take 95g lead trinitroresorcinate, 5g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 15g alcohol ether mixed solution, oven dry, obtain product.Wherein, the alcohol ether mixed solution is mixed by weight 1:3 by ethanol, methyl ether.
Embodiment 4
Take 92g lead trinitroresorcinate, 8g nitro-cotton, lead trinitroresorcinate, nitro-cotton and 12g methanol mixed is even, and oven dry, obtain product.
Embodiment 5
Take 92g lead trinitroresorcinate, 8g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with the 15g ethyl acetate, oven dry, obtain product.
Embodiment 6
Take 95g lead trinitroresorcinate, 7g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with the 15g pentyl acetate, oven dry, obtain product.
Embodiment 7
Take 91g lead trinitroresorcinate, 8g nitro-cotton, lead trinitroresorcinate, nitro-cotton and 12g methanol mixed is even, and oven dry, obtain product.Wherein, the nitrogen content of nitro-cotton is 7.0%; Lead trinitroresorcinate is neutral lead trinitroresorcinate, and its apparent density is 1.8g/cm
3
Embodiment 8
Take 95g lead trinitroresorcinate, 5g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, oven dry, obtain product.Wherein, the nitrogen content of nitro-cotton is 15.0%; Lead trinitroresorcinate is neutral lead trinitroresorcinate, and its apparent density is 1.5g/cm
3
Embodiment 9
Take 90g lead trinitroresorcinate, 10g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 15g alcohol ether mixed solution, oven dry, obtain product.Wherein, the nitrogen content of nitro-cotton is 11.0%; Lead trinitroresorcinate is alkaline lead trinitroresorcinate, and its apparent density is 1.7g/cm
3Wherein, the alcohol ether mixed solution is mixed by weight 1:3 by ethylene glycol, ether.
Compare with existing priming, can reduce 70%-80% the action time of the priming of the present invention's preparation, and the synchronism of getting angry is good, and second amount precision is high, and the medicine head is without shrinkage cavity.When guaranteeing ignition ability, meet the requirement of seismic prospecting electric detonator this index action time.
Simultaneous test
The comparative example 1
Take the 100g lead trinitroresorcinate, add wherein 20g acetone, mix, oven dry, obtain product.When the applicant found the priming for preparing in the present embodiment as electrical fuze, easy-formation, can't not be used for seismic prospecting electric detonator.
The comparative example 2
Take 96g lead trinitroresorcinate, 4g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, oven dry, obtain product.
The electrical fuze that to make of the priming of the present embodiment preparation, test and detect, and obtains following performance test data.
50 generating igniting heads are action time: average 0.33ms, standard deviation 0.024ms, extreme difference 0.07ms(3.5A initiation current).
50 seismic prospecting electric detonators are action time: average 0.73ms, standard deviation 0.310ms, extreme difference 1.23ms(3.5A initiation current).
The comparative example 3
Take 85g lead trinitroresorcinate, 15g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, oven dry, obtain product.
The electrical fuze that to make of the priming of the present embodiment preparation, test and detect, and obtains following performance test data.
50 generating igniting heads are action time: average 0.38ms, standard deviation 0.30ms, extreme difference 1.42ms(3.5A initiation current).
50 seismic prospecting electric detonators are action time: average 0.84ms, standard deviation 0.354ms, extreme difference 1.21ms(3.5A initiation current).
Simultaneous test 4
Take 92g lead trinitroresorcinate, 8g viton, lead trinitroresorcinate, viton are mixed with 20g acetone, oven dry, obtain product.
The electrical fuze that to make of the priming of the present embodiment preparation, test and detect, and obtains following performance test data.
50 generating igniting heads are action time: average 0.84ms, standard deviation 0.055ms, extreme difference 0.21ms(3.5A initiation current).
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (8)
1. a seismic prospecting electric detonator priming, is characterized in that, comprises priming explosive and additive, and described priming explosive is lead trinitroresorcinate, and described additive is nitro-cotton;
The ratio of weight and number of described priming explosive and additive is as follows: 90-95 part priming explosive, 5-10 part nitro-cotton.
2. seismic prospecting electric detonator priming according to claim 1, is characterized in that, in described nitro-cotton, the mass percent of nitrogen is 7.0%-15%.
3. seismic prospecting electric detonator priming according to claim 2, is characterized in that, in described nitro-cotton, the mass percent of nitrogen is 7.0%-12.5%.
4. seismic prospecting electric detonator priming according to claim 2, is characterized in that, in described nitro-cotton, the mass percent of nitrogen is 11%-15%.
5. seismic prospecting electric detonator priming according to claim 1, is characterized in that, described lead trinitroresorcinate is neutral lead trinitroresorcinate or alkaline lead trinitroresorcinate, and the apparent density of described lead trinitroresorcinate is 1.4-1.8g/cm
3
6. according to claim 1-5 described seismic prospecting electric detonator primings of any one, is characterized in that, also comprise organic solvent, the ratio of weight and number of each component is as follows: 90-95 part priming explosive, 5-10 part nitro-cotton, 10-40 part organic solvent.
7. seismic prospecting electric detonator priming according to claim 6, is characterized in that, described organic solvent is a kind of in acetone, glacial acetic acid, methyl alcohol, ethyl acetate, pentyl acetate.
8. seismic prospecting electric detonator priming according to claim 6, it is characterized in that, described organic solvent is the alcohol ether mixed solution, described pure ethereal solution is comprised of alcoholic solution and ethereal solution, the ratio of weight and number of described alcoholic solution and ethereal solution is 1:3, described alcoholic solution is a kind of in ethanol, ethylene glycol, propylene glycol, and described ethereal solution is a kind of in methyl ether, ether.
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| CN201310328396.8A CN103387475B (en) | 2013-07-31 | 2013-07-31 | A kind of Ignition charge for seismic exploration electric detonator |
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| CN201310328396.8A CN103387475B (en) | 2013-07-31 | 2013-07-31 | A kind of Ignition charge for seismic exploration electric detonator |
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| CN103387475B CN103387475B (en) | 2016-04-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193565A (en) * | 2014-09-04 | 2014-12-10 | 雅化集团绵阳实业有限公司 | Composite ignition powder for seismic exploration electric detonator and preparation method of composite ignition powder |
| CN106831276A (en) * | 2017-01-17 | 2017-06-13 | 前进民爆股份有限公司 | The production technology of the special ignition charge of digital electric detonator |
| CN108440226A (en) * | 2018-05-14 | 2018-08-24 | 雅化集团绵阳实业有限公司 | A kind of novel electron detonator ignition charge and preparation method thereof |
| CN115594555A (en) * | 2022-09-23 | 2023-01-13 | 西安庆华民用爆破器材股份有限公司（Cn） | Environment-friendly high-temperature-resistant ignition agent |
| CN115772056A (en) * | 2022-12-01 | 2023-03-10 | 天津宏泰华凯科技有限公司 | Priming powder for electronic detonator, preparation method and application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193565A (en) * | 2014-09-04 | 2014-12-10 | 雅化集团绵阳实业有限公司 | Composite ignition powder for seismic exploration electric detonator and preparation method of composite ignition powder |
| CN106831276A (en) * | 2017-01-17 | 2017-06-13 | 前进民爆股份有限公司 | The production technology of the special ignition charge of digital electric detonator |
| CN108440226A (en) * | 2018-05-14 | 2018-08-24 | 雅化集团绵阳实业有限公司 | A kind of novel electron detonator ignition charge and preparation method thereof |
| CN115594555A (en) * | 2022-09-23 | 2023-01-13 | 西安庆华民用爆破器材股份有限公司（Cn） | Environment-friendly high-temperature-resistant ignition agent |
| CN115772056A (en) * | 2022-12-01 | 2023-03-10 | 天津宏泰华凯科技有限公司 | Priming powder for electronic detonator, preparation method and application |
| CN115772056B (en) * | 2022-12-01 | 2024-02-02 | 天津宏泰华凯科技有限公司 | Primer for electronic detonator, preparation method and application |
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