CN104591935A - Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive - Google Patents
Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive Download PDFInfo
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- CN104591935A CN104591935A CN201410846932.8A CN201410846932A CN104591935A CN 104591935 A CN104591935 A CN 104591935A CN 201410846932 A CN201410846932 A CN 201410846932A CN 104591935 A CN104591935 A CN 104591935A
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- explosive
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- ammonium nitrate
- glass microballon
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Abstract
The invention relates to a low-detonation-velocity explosive for explosive welding. The explosive is prepared from the following raw materials in percentage by weight: 65-85% of an expanded ammonium nitrate explosive, 10-20% of glass beads, 3-5% of charcoal dust and 3-5% of a compound oil phase, wherein the expanded ammonium nitrate explosive is mainly prepared from 75-85% of NH4NO3, 10-15% of KCl and 5-10% of NaNO3. The explosive provided by the invention has the characteristics of easiness in production, stable performance and good explosive welding effect.
Description
Technical field
The present invention relates to a kind of low blasting speed simple formulation industrial explosive for explosive welding and preparation method, belong to industrial explosive technical field.
Background technology
Explosion welding technique take explosive as the energy, and by explosive detonation effect by plied timber high velocity impact base material, realize the metallurgical binding of two kinds of metals, land is rendered as wavy metallurgical binding.
Show according to scientific research, the explosion velocity of blasting explosive for explosion welding must control, in the scope of 1300 m/s ~ 2800 m/s, just can obtain better effect.And conventional civil explosive explosion velocity is generally at 3000 m/s ~ 6000 m/s, therefore reduces the explosion velocity of blasting explosive for explosion welding, there is realistic meaning.Industrial, mainly contain following several in the method reducing explosion velocity of explosive: 1. in civil explosive, add heavy metal powder; 2. civil explosive is mixed in a binder or is dispersed in porous material and obtain foam type explosive; 3. modification civil explosive is mixed with fuel oil, wood powder, perlite etc., reduce explosion velocity of explosive; 4. explosion velocity is reduced by ammonium nitrate dynamite mixing composite oil phase, pulvis.
Summary of the invention
Technical problem to be solved by this invention there is provided a kind of low blasting speed simple formulation industrial explosive for explosive welding, has easy production, stable performance, the simple feature of formula, thus reaches good explosive welding effect.
Technical scheme of the present invention is: a kind of low explosive for explosive welding, is characterized in that: it is made primarily of following raw materials according by weight: bulking ammonium nitrate explosive 65 ~ 85%; Glass microballon 10 ~ 20%; Wood charcoal powder 3 ~ 5%; Composite oil phase 3 ~ 5%.
Further aspect of the present invention has: described bulking ammonium nitrate explosive by massfraction mainly by NH
4nO
375 ~ 85%, KCl 10 ~ 15%, NaNO
35 ~ 10% compositions.
As preferred technical characteristic: the granularity of described glass microballon at 30-50 order, humidity not higher than 0.5 wt%, tap density 0.90 ~ 1.2g/cm3.
As preferred technical characteristic: the moisture of described wood powder is not higher than 0.5 wt%.
Present invention also offers the method for the low explosive for the preparation of explosive welding in addition, comprise the following steps: 1) get glass microballon 10 ~ 20 parts, wood charcoal powder 3 ~ 5 parts, fully mixes; 2) bulking ammonium nitrate explosive 65 ~ 85 parts is prepared; Add composite oil phase 3 ~ 5 parts, Homogeneous phase mixing; 3) mixture of glass microballon and wood charcoal powder is added in explosive, Homogeneous phase mixing.As preferred scheme, the further feature of present method has: the granularity of described glass microballon at 30-50 order, humidity not higher than 0.5 wt%, tap density 0.90 ~ 1.2g/cm3.The moisture of wood charcoal powder is not higher than 0.5 wt%.
As preferred technical scheme: the further feature of present method has: prepare bulking ammonium nitrate explosive and comprise the following steps: 1) get NH4NO3 75 ~ 85 parts, KCl 10 ~ 15 parts, NaNO3 5 ~ 10 parts, organic oil phase material 2 ~ 5 parts, emulsifying agent 1 ~ 3 part, 1 ~ 3 part, water, adopt emulsifying manner to be mixed into homogeneous latex; 2) by spray pulverization technique, latex is directly made bulking ammonium nitrate explosive.
The invention has the beneficial effects as follows: the low blasting speed simple formulation industrial explosive for explosive welding provided, the suitable increase of the add-on of glass microballon in explosive can reduce [explosive (power), play the effect of flame arrest simultaneously, but explosive property can not be made to lose, miss-fire, and is the ideal material reducing explosion velocity of explosive.Wood powder plays regulating density, prevents the effect that explosive lumps.Thus making explosion velocity of explosive control in certain scope, acquisition can meet sheet metal welding low explosive.
In such scheme, described glass microballon and the moisture of wood powder is not higher than 0.5 wt%, and 40 object glass microballon fineness account for 70 ~ 85 wt%.If too thin, will easily produce more dust in process of production; The too high uniformity coefficient that can affect mixing of fineness, makes product performance influenced.Glass microballon and wood powder moisture control are certain otherwise higher than 0.5 wt%, otherwise the easy moisture absorption of low explosive of preparation, caking, easily loses detonation property.This explosive is easy to produce wide material sources, price rather moderate; Stable performance.Its explosion welding explosive with low explosion velocity stable performance prepared, meets the requirement of explosive welding explosive brisance 9 ~ 11 mm, thus ensures explosive welding effect.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated:
The invention provides the method for the low explosive for the preparation of explosive welding, comprise the following steps: 1) get glass microballon 10 ~ 20 parts, wood charcoal powder 3 ~ 5 parts, fully mixes; 2) bulking ammonium nitrate explosive 65 ~ 85 parts is prepared; Add composite oil phase 3 ~ 5 parts, Homogeneous phase mixing; 3) mixture of glass microballon and wood charcoal powder is added in explosive, Homogeneous phase mixing.The granularity of glass microballon at 30-50 order, humidity not higher than 0.5 wt%, tap density 0.90 ~ 1.2g/cm3.The moisture of wood charcoal powder is not higher than 0.5 wt%.Bulking ammonium nitrate explosive of preparing wherein comprises the following steps: 1) get NH4NO3 75 ~ 85 parts, KCl 10 ~ 15 parts, NaNO3 5 ~ 10 parts, organic oil phase material 2 ~ 5 parts, emulsifying agent 1 ~ 3 part, 1 ~ 3 part, water, adopts emulsifying manner to be mixed into homogeneous latex; 2) by spray pulverization technique, latex is directly made bulking ammonium nitrate explosive.The embodiment that the explosive prepared in this way is different and effect as follows:
embodiment 1
Prepare explosive welding low blasting speed simple formulation industrial explosive of the present invention as follows: bulking ammonium nitrate explosive by massfraction mainly by NH
4nO
375 parts, KCl15 part, NaNO
310 parts of compositions.Get bulking ammonium nitrate explosive 70 parts in addition; Glass microballon 20 parts; Wood charcoal powder 5 parts; Composite oil phase 5 parts.The granularity of glass microballon at 30 orders, humidity 0.5 wt%, tap density 0.90g/cm3.Moisture 0.5 wt% of wood powder.The present invention is a kind of for explosive welding low detonation velocity powdery emulsifying explosive, explosive does not lump; Explosion velocity 2500 m/s, brisance 9.8 mm, density 0.80 g/cm
3.
embodiment 2
Prepare explosive welding low blasting speed simple formulation industrial explosive of the present invention as follows: bulking ammonium nitrate explosive by massfraction mainly by NH
4nO
380 parts, KCl10 part, NaNO
310 parts of compositions.Get bulking ammonium nitrate explosive 75 parts in addition; Glass microballon 15 parts; Wood charcoal powder 5 parts; Composite oil phase 5 parts.The granularity of glass microballon at 30 orders, humidity 0.5 wt%, tap density 0.90g/cm3.Moisture 0.5 wt% of wood powder.The present invention is a kind of for explosive welding low detonation velocity powdery emulsifying explosive, explosive does not lump; Explosion velocity 2600 m/s, brisance 10.5 mm, density 0.78 g/cm
3.
embodiment 3
Prepare explosive welding low blasting speed simple formulation industrial explosive of the present invention as follows: bulking ammonium nitrate explosive by massfraction mainly by NH
4nO
385 parts, KCl10 part, NaNO
35 parts of compositions.Get bulking ammonium nitrate explosive 85 parts in addition; Glass microballon 10 parts; Wood charcoal powder 3 parts; Composite oil phase 2 parts.The granularity of glass microballon at 30 orders, humidity 0.5 wt%, tap density 0.90g/cm3.Moisture 0.5 wt% of wood powder.The present invention is a kind of for explosive welding low detonation velocity powdery emulsifying explosive, explosive does not lump; Explosion velocity 2750 m/s, brisance 10.9 mm, density 0.81 g/cm
3.
Although the present invention with preferred embodiment disclose as above, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (8)
1. for a low explosive for explosive welding, it is characterized in that: it is made primarily of following raw materials according by weight:
Bulking ammonium nitrate explosive 65 ~ 85%;
Glass microballon 10 ~ 20%;
Wood charcoal powder 3 ~ 5%;
Composite oil phase 3 ~ 5%.
2. the low explosive for explosive welding according to claim 1, is characterized in that: described bulking ammonium nitrate explosive by massfraction mainly by NH
4nO
375 ~ 85%, KCl 10 ~ 15%, NaNO
35 ~ 10% compositions.
3. the low explosive for explosive welding according to claim 2, is characterized in that: the granularity of described glass microballon at 30-50 order, humidity not higher than 0.5 wt%, tap density 0.90 ~ 1.2g/cm3.
4. the low explosive for explosive welding according to claim 1-3 any one, is characterized in that: the moisture of described wood powder is not higher than 0.5 wt%.
5. for the preparation of a method for the low explosive of explosive welding, it is characterized in that: comprise the following steps:
1) get glass microballon 10 ~ 20 parts, wood charcoal powder 3 ~ 5 parts, fully mixes;
2) bulking ammonium nitrate explosive 65 ~ 85 parts is prepared; Add composite oil phase 3 ~ 5 parts, Homogeneous phase mixing;
3) mixture of glass microballon and wood charcoal powder is added in explosive, Homogeneous phase mixing.
6. the method for the low explosive for the preparation of explosive welding according to claim 5, is characterized in that: prepare bulking ammonium nitrate explosive and comprise the following steps:
1) NH is got
4nO
375 ~ 85 parts, KCl 10 ~ 15 parts, NaNO
35 ~ 10 parts, organic oil phase material 2 ~ 5 parts, emulsifying agent 1 ~ 3 part, 1 ~ 3 part, water, adopt emulsifying manner to be mixed into homogeneous latex;
2) by spray pulverization technique, latex is directly made bulking ammonium nitrate explosive.
7. the method for the low explosive for the preparation of explosive welding according to claim 5, is characterized in that: the granularity of described glass microballon at 30-50 order, humidity not higher than 0.5 wt%, tap density 0.90 ~ 1.2g/cm3.
8. the method for the low explosive for the preparation of explosive welding according to claim 5, is characterized in that: the moisture of described wood charcoal powder is not higher than 0.5 wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846932.8A CN104591935A (en) | 2014-12-31 | 2014-12-31 | Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846932.8A CN104591935A (en) | 2014-12-31 | 2014-12-31 | Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive |
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| CN104591935A true CN104591935A (en) | 2015-05-06 |
Family
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|---|---|---|---|
| CN201410846932.8A Pending CN104591935A (en) | 2014-12-31 | 2014-12-31 | Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949017A (en) * | 2016-04-27 | 2016-09-21 | 攀枝花学院 | Paste emulsified explosive for thin plate explosive welding |
| CN115007989B (en) * | 2022-06-23 | 2024-05-17 | 宝鸡市钛程金属复合材料有限公司 | Ultrathin large-specification titanium steel metal composite board for ship and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1386727A (en) * | 2002-06-26 | 2002-12-25 | 南京理工大学 | Bulked ammonium nitrate explosive with low explosion speed and its prepaing process |
| CN101423448A (en) * | 2008-11-15 | 2009-05-06 | 安徽江南化工股份有限公司 | Low detonation velocity powdery emulsifying explosive |
| US20110041968A1 (en) * | 2006-05-23 | 2011-02-24 | Ulrich Bley | Ignition charge |
| CN102442869A (en) * | 2010-10-15 | 2012-05-09 | 张作超 | Seismic charge with low detonation velocity |
| CN102603440A (en) * | 2012-04-07 | 2012-07-25 | 安徽盾安民爆器材有限公司 | Low detonation velocity powdery emulsion explosive for explosive welding |
| CN102898260A (en) * | 2011-07-27 | 2013-01-30 | 肖兰 | Formula technology of low-detonation-velocity seismic explosive columns |
| CN102976875A (en) * | 2012-11-05 | 2013-03-20 | 黄山三邦金属复合材料有限公司 | Diluent for explosive welding explosive, and explosive welding technology thereof |
-
2014
- 2014-12-31 CN CN201410846932.8A patent/CN104591935A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1386727A (en) * | 2002-06-26 | 2002-12-25 | 南京理工大学 | Bulked ammonium nitrate explosive with low explosion speed and its prepaing process |
| US20110041968A1 (en) * | 2006-05-23 | 2011-02-24 | Ulrich Bley | Ignition charge |
| CN101423448A (en) * | 2008-11-15 | 2009-05-06 | 安徽江南化工股份有限公司 | Low detonation velocity powdery emulsifying explosive |
| CN102442869A (en) * | 2010-10-15 | 2012-05-09 | 张作超 | Seismic charge with low detonation velocity |
| CN102898260A (en) * | 2011-07-27 | 2013-01-30 | 肖兰 | Formula technology of low-detonation-velocity seismic explosive columns |
| CN102603440A (en) * | 2012-04-07 | 2012-07-25 | 安徽盾安民爆器材有限公司 | Low detonation velocity powdery emulsion explosive for explosive welding |
| CN102976875A (en) * | 2012-11-05 | 2013-03-20 | 黄山三邦金属复合材料有限公司 | Diluent for explosive welding explosive, and explosive welding technology thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949017A (en) * | 2016-04-27 | 2016-09-21 | 攀枝花学院 | Paste emulsified explosive for thin plate explosive welding |
| CN105949017B (en) * | 2016-04-27 | 2018-06-15 | 攀枝花学院 | Thin plate explosive welding paste emulsion explosive |
| CN115007989B (en) * | 2022-06-23 | 2024-05-17 | 宝鸡市钛程金属复合材料有限公司 | Ultrathin large-specification titanium steel metal composite board for ship and preparation method thereof |
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Address after: 211155 Jiangsu city of Nanjing Province Wang town Jiangning Heng Yun Road No. 248 Applicant after: Nanjing three novel material Science and Technology Ltd. of nation Address before: 211155 Jiangsu city of Nanjing Province Wang town Jiangning Heng Yun Road No. 248 Applicant before: Nanjing Sanbom Metal Clad Material Co., Ltd. |
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Application publication date: 20150506 |