CN103399138A - Determination method for gap distance of submarine explosive - Google Patents
Determination method for gap distance of submarine explosive Download PDFInfo
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- CN103399138A CN103399138A CN201310343164XA CN201310343164A CN103399138A CN 103399138 A CN103399138 A CN 103399138A CN 201310343164X A CN201310343164X A CN 201310343164XA CN 201310343164 A CN201310343164 A CN 201310343164A CN 103399138 A CN103399138 A CN 103399138A
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Abstract
The invention discloses a determination method for a gap distance of a submarine explosive. The determination method comprises the following operating steps: selecting a water area with stationary or slowly flowing water, wherein the depth of the water area is more than 5 m; preparing a transverse bar meeting needs of a gap distance test; standardly preparing an active cartridge bag and a passive cartridge bag both with a diameter of 35 mm and prescribed density from a blasting charge, wherein the mass of the active cartridge bag and the passive cartridge bag is 150 to 200 g; and inserting a detonator No. 8 into one end of the active cartridge bag, binding the active cartridge bag and the passive cartridge bag on the transverse bar at a predetermined interval, allowing a transverse bar unit to sink into water with sinking depth being at least 3 m, detonating the active cartridge bag at a safe distance, determining whether there is induced detonation according to damage conditions of the passive cartridge bag and adopting a maximum distance obtained in three successive times of induced detonation as the gap distance. The gap distance measured by using the method can reflect actual explosive properties of the explosive during underwater blasting.
Description
Technical field
The present invention relates to a kind of underwater explosion charge gap distance assay method.
Background technology
Induced detonation is exactly the phenomenon that can excite outer another explosive cartridge bag blast of certain distance after explosive charge.First the explosive cartridge bag of blast is called the main powder charge of sending out powder charge, being excited and is called and is sent out a powder charge, when being sent out powder charge induced detonation probability and being 100%, main send out powder charge with by between a powder charge apart from being called gap distance.When the probability of being sent out the powder charge induced detonation is 0%, main send out powder charge with sent out between powder charge apart from being called safety gap distance.The principal element that affects induced detonation has the impact energy of positive pressure of shock wave, action time and the temperature of main powder charge generation, fireball radius, detonation product high-velocity particles, sent out sensitivity, the physical dimension of powder charge, sent out powder charge different-energy is excited the response etc. of form.Guarantee that in explosive production and in storing not induced detonation of explosive is the most basic requirement, many technical elements also need to determine the gap distance of explosive in the use procedure of explosive.The method of testing of existing sympathetic detonation distance of explosive is the sand ground method that adopts, and is will be according to prepared by the certain size requirement being placed in semi-circular groove without the shell cartridge bag, with No. 8 blasting cap initiation donor charge bag test gap distances on sand ground.The sand ground method has limited the cartridge bag specification, and test condition is adobe blasting, and is subject to the impact of the factor such as the grains of sand.Due to explosive application in varying environment, different purpose, be subject to the impact of the factors such as different cartridge bag specifications, environmental baseline, therefore the sympathetic detonation distance of explosive of determining by the simple experiment under specified conditions does not have complete universality, such as although the gap distance that the sand ground method is measured can be deposited distance be used to instructing explosive, for instructing submarine blast not exclusively reliable.
Summary of the invention
The present invention aims to provide a kind of reliable gap distance assay method of submarine blast, guarantees that the gap distance that records can reflect the explosive true explosive property during explosion under water.
The main technical schemes that the present invention adopts, a kind of underwater explosion charge gap distance assay method comprises following operation steps:
(1) select static or slow waters of flowing, the waters degree of depth surpasses 5m;
(2) prepare one and can meet gap distance test needs, and have sufficient intensity can be because of cartridge bag weight, current and crooked cross bar;
(3) blasting charge standard being made to diameter is 35mm the donor charge bag with regulation density and a quilt cartridge bag, and it is 150g or 200g that donor charge bag and quilt are sent out a cartridge bag quality; And insert No. 8 detonators at donor charge Bao Yiduan, and insertion depth is 2/3 of cap length, the detonator sockets for collecting energy should be towards being sent out the cartridge bag direction when test;
(4) by the donor charge bag with by a cartridge bag, according to predetermined spacing, be banded on cross bar, and then by the bar device submerged, submergence depth is at least 3m, then connecting rope is fixing on the water surface, after fixing, should guarantee that cross bar can keep horizontality under water;
(5) at the safe distance donor charge bag that detonates outward, if after detonating, donor charge bag and quilt are sent out a cartridge bag and have all been exploded, and illustrate and are sent out a cartridge bag induced detonation, and then the spacing that strengthens the donor charge bag and sent out cartridge bag tests, continuous three times all the ultimate range of induced detonation as the gap distance of this explosive;
If after detonating, by being sent out also residual unexploded residual medicine of cartridge bag, illustrate that charges interval is excessive, must reduce the distance, remake and test until while finding the ultimate range that recurs three induced detonation.
The environmental baseline that the present invention faces in conjunction with submarine blast provide a cover simply, method of testing reliably, the gap distance that records can reflect the explosive true explosive property during explosion under water.
The accompanying drawing explanation
Fig. 1 is underwater explosion charge gap distance determinator schematic diagram.
In accompanying drawing: in accompanying drawing: the 1 pond main blasting charge 7 of sending out of 2 cross bar 3 counterweight 4 connecting rope 5 floating bodies 6 is sent out cartridge bag 8 detonators.
Embodiment
as shown in Figure 1, a kind of underwater explosion charge gap distance determinator, comprise cross bar 2 and connecting rope 4, cross bar 2 can be selected the steel pipe of lighter weight, at the two ends of cross bar 2, be provided with counterweight 3, counterweight 3 adopts metal material to make, in order to carry and convenient disassembly, counterweight 3 adopts with the two ends of cross bar 2 mode that is actively coupled, at cross bar 2, axially be provided with distance scale, be convenient to so accurately arrange the main blasting charge 6 and the quilt cartridge bag 7 sent out on cross bar 2 is axial, cross bar 2 two ends are fixed with connecting rope 4 one ends respectively, in order to carry and convenient disassembly, also adopt the mode that is actively coupled, another connects respectively floating body 5 connecting rope 4, the container that floating body 5 selects light material to make, cross bar 2 two ends equate with the distance between corresponding floating body 5, namely two connecting ropes 4 is equal in length.
Concrete operation step is: select static or slow water waters of flowing, the waters degree of depth surpasses 5m;
It is 35mm the donor charge bag 6 with regulation density and a quilt cartridge bag 7 that blasting charge standard is made to diameter, and it is 150g that donor charge bag 6 and quilt are sent out cartridge bag 7 quality; And insert No. 8 detonators 8 at donor charge bag 6 one ends, and insertion depth is 2/3 of detonator 8 length, detonator 8 sockets for collecting energy should be towards being sent out cartridge bag 7 directions when test;
By donor charge bag 6 with by a cartridge bag 7, according to predetermined spacing, be banded on cross bar 2, and then by cross bar 2 device submergeds, submergence depth is at least 3m;
At the safe distance donor charge bag 6 that detonates outward, after detonating, if fruit donor charge bag 6 and quilt are sent out a cartridge bag 7, all exploded, illustrated and sent out cartridge bag 7 induced detonation, the spacing that strengthens donor charge bag 6 again and sent out cartridge bag 7 is tested, continuous three times all the ultimate range of induced detonation as the gap distance of this explosive;
If after detonating, by being sent out also residual unexploded residual medicine of cartridge bag 7, illustrate that charges interval is excessive, must reduce the distance, remake and test until while finding the ultimate range that recurs three induced detonation.
Claims (1)
1. underwater explosion charge gap distance assay method is characterized in that comprising following operation steps:
(1) select static or slow waters of flowing, the waters degree of depth surpasses 5m;
(2) prepare one and can meet gap distance test needs, and have sufficient intensity can be because of cartridge bag weight, current and crooked cross bar (2);
(3) the explosive standard being made to diameter is 35mm the donor charge bag (6) with regulation density and a quilt cartridge bag (7), and it is 150g or 200g that donor charge bag (6) and quilt are sent out cartridge bag (a 7) quality; And insert No. 8 detonators at donor charge Bao Yiduan, and insertion depth is 2/3 of cap length, the detonator sockets for collecting energy should be towards being sent out the cartridge bag direction when test;
(4) by donor charge bag (6) with by a cartridge bag (7), according to predetermined spacing, be banded on cross bar, and then by cross bar (2) device submerged, submergence depth is at least 3-4m, again that connecting rope (4) is fixing on the water surface, after fixing, should guarantee that cross bar (2) can keep horizontality under water;
(5) at the safe distance donor charge bag (6) that detonates outward, if after detonating, donor charge bag (6) and quilt are sent out a cartridge bag (7) and have all been exploded, illustrate and sent out cartridge bag (7) induced detonation, and then the spacing that strengthens donor charge bag (6) and sent out cartridge bag (7) tests, continuous three times all the ultimate range of induced detonation as the gap distance of this explosive;
If after detonating, by being sent out also residual unexploded residual medicine of cartridge bag (7), illustrate that charges interval is excessive, must reduce the distance, remake and test until while finding the ultimate range that recurs three induced detonation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310343164XA CN103399138A (en) | 2013-08-08 | 2013-08-08 | Determination method for gap distance of submarine explosive |
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| CN201310343164XA CN103399138A (en) | 2013-08-08 | 2013-08-08 | Determination method for gap distance of submarine explosive |
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| CN103399138A true CN103399138A (en) | 2013-11-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822604A (en) * | 2014-02-24 | 2014-05-28 | 贵州新联爆破工程集团有限公司 | Explosive sympathetic detonation distance testing device |
| CN108802328A (en) * | 2018-06-01 | 2018-11-13 | 大连理工大学 | A method of quantitatively judging explosive induced detonation |
| CN109712505A (en) * | 2019-03-06 | 2019-05-03 | 刘杰 | Explosive induced detonation simulation experiment device of wind |
| CN111896713A (en) * | 2020-07-20 | 2020-11-06 | 大连理工大学 | Water sympathetic explosion experimental device and using method thereof |
| CN112557443A (en) * | 2020-12-14 | 2021-03-26 | 西安近代化学研究所 | Determination method for sympathetic explosion reaction effect of explosive |
| CN113670145A (en) * | 2021-08-24 | 2021-11-19 | 北京理工大学 | Test device and method for testing shock wave action resistance of electronic detonator |
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| CN101318867A (en) * | 2008-06-17 | 2008-12-10 | 安徽江南化工股份有限公司 | Process for preparing power shaped emulsifying blasting explosive |
| CN202432938U (en) * | 2011-12-27 | 2012-09-12 | 武汉科技大学 | Explosive cylinder for deep water blasting |
| CN102675005A (en) * | 2012-05-28 | 2012-09-19 | 广东宏大爆破股份有限公司 | Emulsion explosive used in deep water blasting and preparation method thereof |
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| CN101318867A (en) * | 2008-06-17 | 2008-12-10 | 安徽江南化工股份有限公司 | Process for preparing power shaped emulsifying blasting explosive |
| CN202432938U (en) * | 2011-12-27 | 2012-09-12 | 武汉科技大学 | Explosive cylinder for deep water blasting |
| CN102675005A (en) * | 2012-05-28 | 2012-09-19 | 广东宏大爆破股份有限公司 | Emulsion explosive used in deep water blasting and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822604A (en) * | 2014-02-24 | 2014-05-28 | 贵州新联爆破工程集团有限公司 | Explosive sympathetic detonation distance testing device |
| CN108802328A (en) * | 2018-06-01 | 2018-11-13 | 大连理工大学 | A method of quantitatively judging explosive induced detonation |
| CN109712505A (en) * | 2019-03-06 | 2019-05-03 | 刘杰 | Explosive induced detonation simulation experiment device of wind |
| CN111896713A (en) * | 2020-07-20 | 2020-11-06 | 大连理工大学 | Water sympathetic explosion experimental device and using method thereof |
| CN112557443A (en) * | 2020-12-14 | 2021-03-26 | 西安近代化学研究所 | Determination method for sympathetic explosion reaction effect of explosive |
| CN113670145A (en) * | 2021-08-24 | 2021-11-19 | 北京理工大学 | Test device and method for testing shock wave action resistance of electronic detonator |
| CN113670145B (en) * | 2021-08-24 | 2023-08-29 | 北京理工大学 | Test device and method for testing shock wave resistance capability of electronic detonator |
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Application publication date: 20131120 |