CN103387475B - A kind of Ignition charge for seismic exploration electric detonator - Google Patents
A kind of Ignition charge for seismic exploration electric detonator Download PDFInfo
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- CN103387475B CN103387475B CN201310328396.8A CN201310328396A CN103387475B CN 103387475 B CN103387475 B CN 103387475B CN 201310328396 A CN201310328396 A CN 201310328396A CN 103387475 B CN103387475 B CN 103387475B
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Abstract
The invention discloses a kind of Ignition charge for seismic exploration electric detonator, when object is to solve and 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, this priming comprises priming explosive and additive, and described priming explosive is lead trinitroresorcinate, and described additive is nitro-cotton.Test Ignition charge for seismic exploration electric detonator of the present invention, test-results shows: use electrical fuze of the present invention short for action time, and synchronism of getting angry is good, and second amount precision is high, uses it for seismic prospecting electric detonator, achieves good effect.
Description
Technical field
The present invention relates to initiating equipment field, especially a kind of Ignition charge for seismic exploration electric detonator.
Background technology
Seismic prospecting electric detonator is the special initiating equipment of one often used in seismic exploration project, and itself and explosive-source explosive post support the use, and it requires that ignition consistence is good, and action time is short, and detonating capability is enough.The ignition mechanism of this product is by passing to electric current to product, the bridge silk of fire element in product is generated heat, after temperature reaches the point of ignition of priming, causes electrical fuze to burn, and then product is blasted.
Wherein, the ignition for the electrical fuze burning of electrical detonator assembling 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 charcoal system priming, DDNP series priming and potassium picrate system 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: for when existing priming is used for seismic prospecting electric detonator, there is long action time, and ignition poor synchronization, the problem that second amount precision is low, provides a kind of Ignition charge for seismic exploration electric detonator.Test-results shows: use electrical fuze of the present invention short for action time, and synchronism of getting angry is good, and second amount precision is high, uses it for seismic prospecting electric detonator, achieves good effect.
To achieve these goals, the present invention adopts following technical scheme:
A kind of Ignition charge for seismic exploration electric detonator, comprise priming explosive and additive, 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 the one in acetone, glacial acetic acid, methyl alcohol, ethyl acetate, pentyl acetate.
Described organic solvent is alcohol ether mixed solution, described alcohol ethereal solution is made up 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 the one in ethanol, ethylene glycol, propylene glycol, and described ethereal solution is the one in methyl ether, ether.
By the electrical fuze using priming of the present invention to make, carry out testing and detecting, 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).
As can be seen from the performance test data of said determination, tool of the present invention has the following advantages: the present invention is using lead trinitroresorcinate as Main Function composition, be aided with nitro-cotton simultaneously, lead trinitroresorcinate and nitro-cotton have good consistency, both cooperatively interact, thus the priming of preparation is had bursting point is lower, explosion velocity is high feature, be conducive to the action time of reducing 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
All features disclosed in this specification sheets, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification sheets, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Embodiment 1
Take 90g lead trinitroresorcinate, 10g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, dry, obtain product.
Embodiment 2
Take 95g lead trinitroresorcinate, 5g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 10g glacial acetic acid, dry, obtain product.
Embodiment 3
Take 95g lead trinitroresorcinate, 5g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 15g alcohol ether mixed solution, dry, obtain product.Wherein, 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, dry, obtain product.
Embodiment 5
Take 92g lead trinitroresorcinate, 8g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 15g ethyl acetate, dry, obtain product.
Embodiment 6
Take 95g lead trinitroresorcinate, 7g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 15g pentyl acetate, dry, obtain product.
Embodiment 7
Take 91g lead trinitroresorcinate, 8g nitro-cotton, lead trinitroresorcinate, nitro-cotton and 12g methanol mixed is even, 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, 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, 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
3.Wherein, alcohol ether mixed solution is mixed by weight 1:3 by ethylene glycol, ether.
Compared with existing priming, the action time of priming prepared by the present invention can reduce 70%-80%, and synchronism of getting angry is good, and second amount precision is high, and medicine head is without shrinkage cavity.While guarantee ignition ability, meet the requirement of seismic prospecting electric detonator this index action time.
Simultaneous test
Comparative example 1
Take 100g lead trinitroresorcinate, add 20g acetone wherein, mix, dry, obtain product.When applicant finds that the priming prepared in the present embodiment is used as electrical fuze, not easy-formation, cannot be used for seismic prospecting electric detonator.
Comparative example 2
Take 96g lead trinitroresorcinate, 4g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, dry, obtain product.
By the electrical fuze that the priming prepared with the present embodiment makes, carry out testing and detecting, obtain 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).
Comparative example 3
Take 85g lead trinitroresorcinate, 15g nitro-cotton, lead trinitroresorcinate, nitro-cotton are mixed with 20g acetone, dry, obtain product.
By the electrical fuze that the priming prepared with the present embodiment makes, carry out testing and detecting, obtain 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, dry, obtain product.
By the electrical fuze that the priming prepared with the present embodiment makes, carry out testing and detecting, obtain 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 of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (8)
1. an application for Ignition charge for seismic exploration electric detonator, is characterized in that, this priming is used as Ignition charge for seismic exploration electric detonator, and this priming 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. the application of Ignition charge for seismic exploration electric detonator according to claim 1, is characterized in that, in described nitro-cotton, the mass percent of nitrogen is 7.0%-15%.
3. the application of Ignition charge for seismic exploration electric detonator according to claim 2, is characterized in that, in described nitro-cotton, the mass percent of nitrogen is 7.0%-12.5%.
4. the application of Ignition charge for seismic exploration electric detonator according to claim 2, is characterized in that, in described nitro-cotton, the mass percent of nitrogen is 11%-15%.
5. the application of Ignition charge for seismic exploration electric detonator according to claim 1, it 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. the application of the Ignition charge for seismic exploration electric detonator according to any one of claim 1-5, is characterized in that, also comprises organic solvent, and 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. the application of Ignition charge for seismic exploration electric detonator according to claim 6, is characterized in that, described organic solvent is the one in acetone, glacial acetic acid, methyl alcohol, ethyl acetate, pentyl acetate.
8. the application of Ignition charge for seismic exploration electric detonator according to claim 6, it is characterized in that, described organic solvent is alcohol ether mixed solution, described alcohol ethereal solution is made up 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 the one in ethanol, ethylene glycol, propylene glycol, and described ethereal solution is the one 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 true CN103387475B (en) | 2016-04-06 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104193565B (en) * | 2014-09-04 | 2017-03-29 | 雅化集团绵阳实业有限公司 | A kind of seismic prospecting electric detonator compound ignition charge and preparation method thereof |
| 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 |
| 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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