CN101190857B - High resolution ratio medicament for hypocenter charge column and producing method thereof - Google Patents
High resolution ratio medicament for hypocenter charge column and producing method thereof Download PDFInfo
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- CN101190857B CN101190857B CN2006101049970A CN200610104997A CN101190857B CN 101190857 B CN101190857 B CN 101190857B CN 2006101049970 A CN2006101049970 A CN 2006101049970A CN 200610104997 A CN200610104997 A CN 200610104997A CN 101190857 B CN101190857 B CN 101190857B
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- order screen
- base gun
- medicament
- phthalic acid
- explosive
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Abstract
The invention relates to a high resolution ratio seismic explosive column medicament and a production method thereof, which pertains to the technical field of geological exploration. The seismic explosive column medicament has main ingredients of oversized compost of 40 mesh oversize material single-base propellant, undersized compost of 60 mesh single-base propellant, ammonium nitrate and dibutyl phthalate or dimethyl phthalate or diethyl phthalate. The medicament can control slow release of energy when exploded and reduce explosion velocity of the seismic explosive column; seismic wave excited by the medicament has slow degradation of energy and stronger penetrability, thereby resulting in stronger reflection wave and higher resolution ratio, and being especially suitable for geological exploration of soft stratum.
Description
(1) technical field
The invention belongs to the geological exploration techniques field, relate in particular to a kind of high resolving power explosive-source explosive post that in exploration, is used for earthquake-wave-exciting.
(2) background technology
In geological prospecting work, through being embedded in explosive-source explosive post (also claiming hypocentrum cartridge) the explosion time earthquake-wave-exciting below the face of land, the reflection wave that relies on the reception instrument to receive different geological stratifications reaches the exploration purpose.
Generally adopt high explosion velocity focus medicament to come earthquake-wave-exciting as exploration with the high resolving power explosive-source explosive post,, reach reflection wave and receive purpose clearly with higher excitation energy disturbance.On the formation of medicament, adopt military secondary explosive and high-energy metals powder to constitute, its main chemical is: TNT, an ammonium nitrate, aluminium powder, its working method are each components in certain proportion to be mixed founding form.
This high explosion velocity high resolving power explosive-source explosive post is when carrying out geological prospecting to loess plateau and sand bed area; Effect is undesirable; Major cause is that loess plateau and sand bed area are soft stratum; Its specific absorption to the seismic wave that explosive-source explosive post sends is higher, the seismic wave that causes reflection a little less than, so be difficult to reach the exploration purpose.
And low explosion velocity explosive-source explosive post is to excite velocity of wave under the situation near the wave speed of the earth's crust own; This moment, the wave resistance of the explosive wave resistance and the earth's crust was approaching; The seismic wave energy decay is slow, and penetrance is stronger, and reflection wave is also stronger; So stratigraphic resolution is just higher, is particularly useful for the geological prospecting on soft stratum.
For industrial explosive, two kinds of explosion velocities are generally all arranged, a kind of is complete detonation, reacts completely rapidly, can be called high explosion velocity.Another kind of less when the energy that detonate, the energy of perhaps keeping detonation hour can produce low velocity detonation, can be called low explosion velocity.Low velocity detonation belongs to a unstable state, when detonation energy is big slightly, can be converted into high speed detonation rapidly, slightly hour, can transfer the probable burning of detonation to, even stops.
In order to reduce the explosion velocity of explosive-source explosive post, adopted several different methods in the practice, wherein have and reduce explosive loading density, let its detonation maintain on the low speed, but detonate, the continuous performance of detonation is undesirable.Also favourablely control the burst time with electronic component, the fragment delay explosion keeps low disturbance in whole explosion, be difficult to operation in the actual use, DeGrain.Also the handlebar explosive is done helically shapedly reducing axial detonation rate, but also is difficult to reach low explosion velocity.
(3) summary of the invention
The objective of the invention is to disclose a kind of high resolving power explosive-source explosive post with medicament and working method thereof that can realize low explosion velocity.
For this reason, adopt following technical scheme: high resolving power explosive-source explosive post with medicament constitutes by following composition and by corresponding weight part:
Single-base gun propellant 40 order screen overflows are the 10-20 weight part;
Single-base gun propellant 60 order screen underflows are the 1-5 weight part;
An ammonium nitrate is the 70-85 weight part;
The weight of phthalic acid dibutylester or phthalic acid two formicesters or phthalic acid diethyl fat is the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts;
In addition; Also can press the row weight part and form this medicament: single-base gun propellant 40 order screen overflows are 11 weight parts; Single-base gun propellant 60 order screen underflows are 3 weight parts, and an ammonium nitrate is 81 weight parts, and the phthalic acid dibutylester is 1% of 40 order screen overflow single-base gun propellant weight parts.
The working method of this high resolving power explosive-source explosive post with medicament may further comprise the steps:
A, to the single-base gun propellant crushing and classification;
B, choose 40 order screen overflow single-base gun propellants of 10-20 weight part, with the phthalic acid dibutylester of the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts or phthalic acid two formicesters or phthalic acid diethyl fat it is coated after dry;
C, choose the single-base gun propellant of 60 order screen underflows of 1-5 weight part and dry;
D, an ammonium nitrate of 70-85 weight part is pulverized;
E, will pass through 40 order screen overflow single-base gun propellants and 60 order screen underflow single-base gun propellants and an ammonium nitrate uniform mixing after the coating;
F, mixed medicament is loaded in the explosive-source explosive post housing.
Explosive-source explosive post with medicament of the present invention has been made significant improvement to the existing high explosion velocity explosive-source explosive post medicament that contains the propelling charge explosive; At first be single-base gun propellant have been carried out coating handle; Through adopting phthalic acid dibutylester or phthalic acid two formicesters or phthalic acid diethyl fat that 40 order screen overflow single-base gun propellants are coated, 40 order screen overflow single-base gun propellants and other component medicaments are isolated relatively.Isolated purpose is in order to control the slowly-releasing of energy; Rather than the medicament component separated fully; Adopt phthalic acid dibutylester or phthalic acid two formicesters or phthalic acid diethyl fat and 40 order screen overflow single-base gun propellant uniform mixing, phthalic acid dibutylester or phthalic acid two formicesters or phthalic acid diethyl fat have played the effect of coating.40 order screen overflow single-base gun propellants also will be participated in reaction when detonation, corresponding energy is provided, and coat to handle and will control the energy that reaction discharges exactly, make it can not be too strong, can not be too fast.Next is that the granularity of propelling charge has been carried out stage treatment, the one, to carried out the stage treatment of 40 order screen overflows by the single-base gun propellant that coated; The 2nd, finally mixed single-base gun propellant is carried out the stage treatment of 60 order screen underflows.Do like this and both guaranteed that certain thin medicinal powder (60 order screen underflow) kept corresponding cap-sensitivity; Guaranteed again that simultaneously thick medicinal powder (40 order screen overflow) keeps the successional follow-up energy of detonation; And then realize low speed control to whole detonation process, make explosive-source explosive post reach low explosion velocity high resolving power.
(4) specific embodiment
Below in conjunction with specific embodiment the present invention is further detailed.
High resolving power explosive-source explosive post with medicament is by following composition; And constitute by following weight part: single-base gun propellant 40 order screen overflows are the 10-20 weight part; Single-base gun propellant 60 order screen underflows are the 1-5 weight part; An ammonium nitrate is the 70-85 weight part, and phthalic acid dibutylester or phthalic acid two formicesters or phthalic acid diethyl fat are the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts.
The major ingredient of single-base gun propellant is a nitro-cotton, makes the explosive-source explosive post with medicament with it, can reduce charge density, under the low velocity detonation situation, still has quite high blasting cap initiation sensitivity and detonation continuity preferably.
Single-base gun propellant is pressed the globule size stage treatment, can reach the purpose of keeping corresponding cap-sensitivity and the successional follow-up energy of detonation.By 60 order screen underflows and two kinds of size classifications of 40 order screen overflows, the screen overflow single-base gun propellant of crossing 40 mesh sieves after crushed is as thick propelling charge with it, because it will keep the successional follow-up energy of detonation, so proportion is bigger, is the 10-20 weight part.The screen underflow single-base gun propellant of crossing 60 mesh sieves after crushed is as thin propelling charge, and it only need keep corresponding cap-sensitivity, so accounting is heavy less, is the 1-5 weight part.
Because low velocity detonation is a unstable state, so the slowly-releasing of control detonation energy is crucial.Phthalic acid dibutylester, phthalic acid two formicesters, phthalic acid diethyl fat are liquid state, and any makes the purpose that coating can reach the control energy slow-release among the selection three.Because it mainly plays the coating effect, so proportion is minimum, is the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts.
An ammonium nitrate is the important component of focus medicament, and it and single-base gun propellant are accomplished the detonation reaction jointly, and it plays oxygenant in blast, and according to the zero oxygen balance principle, choosing its content is the 70-85 weight part.
In addition; Also can form this medicament by following weight part: single-base gun propellant 40 order screen overflows are 11 weight parts; Single-base gun propellant 60 order screen underflows are 3 weight parts, and an ammonium nitrate is 81 weight parts, and the phthalic acid dibutylester is 1% of 40 order screen overflow single-base gun propellant weight parts.
The working method of this high resolving power explosive-source explosive post with medicament is realized by following step.
A, to the single-base gun propellant crushing and classification;
B, choose 40 order screen overflow single-base gun propellants of 10-20 weight part, with the phthalic acid dibutylester of the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts or phthalic acid two formicesters or phthalic acid diethyl fat it is coated after dry;
C, choose the single-base gun propellant of 60 order screen underflows of 1-5 weight part and dry;
D, an ammonium nitrate of 70-85 weight part is pulverized;
E, will pass through 40 order screen overflow single-base gun propellants and 60 order screen underflow single-base gun propellants and an ammonium nitrate uniform mixing after the coating;
F, mixed medicament is loaded in the explosive-source explosive post housing.
In order to guarantee covered effect, after coatings such as phthalic acid dibutylester coat the completion of 40 order screen overflow single-base gun propellants, left standstill 30-40 minute, mix with other components again.
Choosing 40 order screen overflow single-base gun propellants is 10 weight parts; 60 order screen underflow single-base gun propellants are 1 weight part; An ammonium nitrate 70 weight parts; And make coating with 0.5% phthalic acid dibutylester of 40 order screen overflow single-base gun propellant weight parts, its detonation can reach high-resolution requirement for low explosion velocity.
Choosing 40 order screen overflow single-base gun propellants is 20 weight parts; 60 order screen underflow single-base gun propellants are 5 weight parts, an ammonium nitrate 85 weight parts, and make coating with 3% phthalic acid dibutylester of 40 order screen overflow single-base gun propellant weight parts; Its detonation can reach high-resolution requirement for low explosion velocity.
Coating is replaced with phthalic acid two formicesters or phthalic acid diethyl fat, and by the explosive-source explosive post that above composition by weight and working method are produced, its detonation also can reach high-resolution requirement for low explosion velocity.
In order accurately to control the slowly-releasing of energy; Reach best low explosion velocity effect; Choosing 40 order screen overflow single-base gun propellants is 11 weight parts, and 60 order screen underflow single-base gun propellants are 3 weight parts, and an ammonium nitrate is 81 weight parts; And make coating with 1% phthalic acid dibutylester of 40 order screen overflow single-base gun propellant weight parts, test-results is following:
Whether the project test-results is qualified
Φ 60 explosion velocity 2000-2300m/s are qualified
1.0-1.05 is qualified for main charge density
Detonation continuity >=10kg is qualified
The blast of blast thoroughness is qualified fully
Fall down test 6m is high freely fall not quick-fried do not fire qualified
Connection power test 98N, 30min is qualified
Hydraulic pressure resistance test 0,294MPA, the 48h blast is qualified fully
50 ℃ of high low temperature blast thoroughness--20 ℃ qualified
The high-resolution explosive-source explosive post of this low explosion velocity is particluarly suitable for the loess plateau and the exploration of sand bed area is used.
Claims (3)
1. high resolving power explosive-source explosive post with medicament; It is characterized in that it is by following composition; And constitute by corresponding weight part: single-base gun propellant 40 order screen overflows are the 10-20 weight part; Single-base gun propellant 60 order screen underflows are the 1-5 weight part, an ammonium nitrate 70-85 weight part, and the weight of phthalic acid dibutylester or phthalic acid two formicesters or phthalic acid diethyl fat is the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts.
2. a kind of high resolving power explosive-source explosive post with medicament as claimed in claim 1; It is characterized in that each component constitutes by following weight part: single-base gun propellant 40 order screen overflows are 11 weight parts; Single-base gun propellant 60 order screen underflows are 3 weight parts; An ammonium nitrate is 81 weight parts, and the phthalic acid dibutylester is 1% of 40 order screen overflow single-base gun propellant weight parts.
3. the working method of the said high resolving power explosive-source explosive post of claim 1 with medicament is characterized in that may further comprise the steps:
A, to the single-base gun propellant crushing and classification;
B, choose 40 order screen overflow single-base gun propellants of 10-20 weight part, with the phthalic acid dibutylester of the 0.5-3% of 40 order screen overflow single-base gun propellant weight parts or phthalic acid two formicesters or phthalic acid diethyl fat it is coated after dry;
C, choose the single-base gun propellant of 60 order screen underflows of 1-5 weight part and dry;
D, an ammonium nitrate of 70-85 weight part is pulverized;
E, will pass through 40 order screen overflow single-base gun propellants and 60 order screen underflow single-base gun propellants and an ammonium nitrate uniform mixing after the coating;
F, mixed medicament is loaded in the explosive-source explosive post housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2006101049970A CN101190857B (en) | 2006-11-29 | 2006-11-29 | High resolution ratio medicament for hypocenter charge column and producing method thereof |
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| CN2006101049970A CN101190857B (en) | 2006-11-29 | 2006-11-29 | High resolution ratio medicament for hypocenter charge column and producing method thereof |
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| CN101190857A CN101190857A (en) | 2008-06-04 |
| CN101190857B true CN101190857B (en) | 2012-07-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103214324A (en) * | 2013-04-02 | 2013-07-24 | 辽宁庆阳民爆器材有限公司 | Single-base granular-energetic colloidal explosive |
| CN103214323A (en) * | 2013-04-02 | 2013-07-24 | 辽宁庆阳民爆器材有限公司 | Single-base tubular-energetic colloidal explosive |
| CN106431798A (en) * | 2016-09-19 | 2017-02-22 | 南京理工大学 | Gas expanding agent and application thereof |
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2006
- 2006-11-29 CN CN2006101049970A patent/CN101190857B/en not_active Expired - Fee Related
Non-Patent Citations (3)
| Title |
|---|
| 堵平等.一种低爆速炸药及其在地震勘探中的应用.《兵工学报》.2005,第26卷(第4期),465-468. * |
| 魏晓安.废弃发射药制造炸药的应用研究.《中国博士学位论文全文数据库》.2004,18-56. * |
| 魏晓安等.一种低爆速炸药的研制.《爆破器材》.2006,第35卷(第2期),5-7. * |
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Granted publication date: 20120704 Termination date: 20121129 |