CN105949017A - Paste emulsified explosive for thin plate explosive welding - Google Patents
Paste emulsified explosive for thin plate explosive welding Download PDFInfo
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- CN105949017A CN105949017A CN201610270426.8A CN201610270426A CN105949017A CN 105949017 A CN105949017 A CN 105949017A CN 201610270426 A CN201610270426 A CN 201610270426A CN 105949017 A CN105949017 A CN 105949017A
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- explosive
- thin plate
- emulsion
- emulsifying
- welding paste
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B31/00—Compositions containing an inorganic nitrogen-oxygen salt
- C06B31/28—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
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- Inorganic Chemistry (AREA)
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Abstract
The invention relates to an emulsified explosive, and in particular, relates to a paste emulsified explosive for thin plate explosive welding. The emulsified explosive is composed of 55-86% of an emulsified matrix and 14-45% of glass microspheres according to the weight percentage; the emulsion matrix is obtained by emulsifying 78-82% of ammonium nitrate, 3.5-3.9% of sodium nitrate, 8-11% of water and 5-7% of an integrated oil phase material. The density of the emulsified explosive is 0.55-0.9 g/cm<3>, the detonation velocity is 1500 m/s-2900 m/s, and the emulsified explosive has the advantages of easy production, stable performance, high brisance, and good effect of explosive welding.
Description
Technical field
The present invention relates to a kind of emulsion, be specifically related to a kind of thin plate explosive welding paste emulsion explosive.
Background technology
Explosive welding is a kind of Solid-phase welding method, the welding being generally used between dissimilar metal.Such as gold such as titanium, copper, aluminum, steel
Welding between genus, and these chemical compositions and the welding of the different metal material of physical property, be difficult to by other welding method
Realize.The composite metal plate that explosive welding produces is mainly used for substituting expensive rustless steel and non-ferrous metal, be widely used in chemical industry,
The fields such as boats and ships, vehicle, military project, space flight.Also the parts of particular/special requirement can be made, the most wear-resisting, heat-resisting, corrosion-resistant etc..
Due to the particular/special requirement of explosive welding, need with special explosive, and the low explosive of routine.At present, market is commonly used
It is that the costs such as simple substance high explosive adds diluent, high explosive TNT are high, dangerous big；Or bulking ammonium nitrate explosive adds diluent etc.,
Such as Liu's thickness is flat, Lv Chunxu, Ming Jinggu, Tang Qiuming et al. have mainly carried out the research in terms of superfine modified ammonium nitrate, and by this
Plant ammonium nitrate to mix with combustion oil, wood powder, in succession have developed new No. 4 rock powdery nitrolites, bulking ammonium nitrate explosive, powder
Shape modified ammonium nitrate-fuel oil explosive, modified powdery ammonium nitrate-fuel oil mixture.Its principle mainly will add a large amount of interpolation in this kind of powdery class nitrolite
Agent (such as expanded perlite, Sal etc.), although reduce the explosion velocity of explosive, but complicated, lengthy and tedious, dangerous it is blended link, no
Stable detonation property, poor Explosion composite effect hinders the large-scale production of explosive processing industry equally, it is often more important that,
This kind of nitrolite is high due to energy consumption, and dust is big, has listed the product of China's developmental limitation in, and a lot of areas have not had
This production line, explosive welding can not be used explosive on the spot, make welding be restricted；The third uses powdery emulsifying explosive to add regulation
Agent forms, patent CN102603440A, but China's explosive production at present, and most producers are containing emulsion explosive, blast weldering
Connecing and can not use explosive on the spot, welding becomes difficulty, and cost improves, and formality is loaded down with trivial details.
Summary of the invention
The technical problem to be solved is to provide a kind of thin plate explosive welding paste emulsion explosive.By weight percentage,
This emulsion by emulsifying base 55～86% and glass microsphere 14～45% be mixed with and obtain；Described emulsifying base is by following group
Dividing emulsifying to form, described component is: ammonium nitrate 79～82%, sodium nitrate 3.5～3.9%, water 8～11%, integration oil phase material
Material 5～7%.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, described integrated oil phase material is prepared by following method:
Emulsifying agent, machine oil, paraffin and microwax are mixed in order, 95～105 DEG C of fusings, then at 70～75 DEG C of insulations；Described breast
Agent is sorbitan mono-oleic acid ester, and its mass fraction is 2.5～2.7%.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the emulsion process of described emulsifying base is: (1), by water,
Ammonium nitrate and sodium nitrate stir into supersaturated solution under the conditions of 90～95 DEG C, are then incubated under the conditions of 80～85 DEG C；(2)、
Above-mentioned integrated oil phase material is joined in the supersaturated solution in step (1), 70～75 DEG C of emulsifyings, obtain emulsifying base.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the fineness of described glass microsphere crosses 60 mesh sieves.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the density of described emulsion is 0.55～0.9g/cm3。
The present invention has the beneficial effect that:
Thin plate explosive welding paste emulsion of the present invention not only has effective (the blast weldering of easily production, stable performance and explosive welding
Connect combination rate >=98%) premium properties, and explosive good fluidity, can make variously-shaped during explosive welding as required.
This emulsion for thin plate explosive welding time, compound plate thickness can as little as 0.1mm, the most cost-effective.
Detailed description of the invention
One thin plate explosive welding paste emulsion explosive of the present invention, by weight percentage, this emulsion by emulsifying base 55～
86% and glass microsphere 14～45% be mixed with and obtain；Described emulsifying base is formed by following component emulsifying, and described component is:
Ammonium nitrate 78～82%, sodium nitrate 3.5～3.9%, water 8～11%, integrated oil phase material 5～7%.Wherein, ammonium nitrate,
Sodium nitrate and water collectively form the aqueous phase of emulsifying base, and integrated oil phase material is the oil phase material of emulsifying base.
Wherein, the preparation process of above-mentioned thin plate explosive welding paste emulsion explosive is: be constantly mixed into glass in emulsifying base micro-
Ball, regulation is to desired density, till treating that color is become milky mastic from brown.The addition of glass microsphere, can make the one-tenth of explosive
Type effect is more preferable.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, described integrated oil phase material is prepared by following method:
Emulsifying agent, machine oil, paraffin and microwax are mixed in order, 95～105 DEG C of fusings, then at 70～75 DEG C of insulations；Described breast
Agent is sorbitan mono-oleic acid ester, and its mass fraction is 2.5～2.7%.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the emulsion process of described emulsifying base is: (1), by water,
Ammonium nitrate and sodium nitrate stir into supersaturated solution under the conditions of 90～95 DEG C, are then incubated under the conditions of 80～85 DEG C；(2)、
Above-mentioned integrated oil phase material is joined in the supersaturated solution in step (1), 70～75 DEG C of emulsifyings, obtain emulsifying base.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, described integrated oil phase material is mixed by emulsifying agent and complex wax
Conjunction obtains；The mass fraction of emulsifying agent is 2.5～2.7%.Wherein, mentioned emulsifier preferably employs sorbitan mono-oleic acid ester
(SP-80), it is possible to be properly added macromolecule emulsifier commonly used in the art, such as succimide；Above-mentioned complex wax is by machine oil, stone
Wax and microwax are constituted, and ratio does not limits.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the fineness of described glass microsphere crosses 60 mesh sieves.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the density of described emulsion is 0.55～0.9g/cm3, quick-fried
Fried speed is 1600m/s～2900m/s.Explosive property is stable, and explosive is water-based explosive, paste, can be according to need during explosive welding
Make variously-shaped, such as tabular.
Wherein, above-mentioned thin plate explosive welding paste emulsion explosive, when described emulsion is for thin plate explosive welding, compound plate
Thickness can as little as 0.1mm, compound plate thickness is the lowest, the most cost-effective.
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described, the most therefore limits the present invention to institute
Among the scope of embodiments stated.
In embodiment 1-3, the emulsion process of emulsifying base is: (1), first add water in tank body, then adds ammonium nitrate and sodium nitrate, 95 DEG C
Under stir into supersaturated solution, then 80 DEG C of insulations；(2), integrated oil phase material is prepared: first add SP-80 emulsifying agent,
Add machine oil, paraffin and microwax mixing again, be warming up to 100 DEG C of fusings, then 70 DEG C of insulations；(3), by integrated oil phase material
Join in the supersaturated solution in step (1), in 70 DEG C of emulsifyings, obtain emulsifying base.
Embodiment 1
Take emulsifying base 1000g (emulsifying base component: ammonium nitrate 80%, sodium nitrate 3.5%, water 10%, integration oil phase material
Material 6.5%), it is mixed into 170g glass microsphere (fineness whole mistake 60 mesh sieve of glass microsphere) wherein, when color is become from brown
During milky mastic, i.e. obtaining thin plate explosive welding paste emulsion explosive of the present invention, explosive density is 0.9g/cm3, explosion velocity is
2900m/s。
Embodiment 2
Take emulsifying base 1000g (emulsifying base component: ammonium nitrate 79.5%, sodium nitrate 3.5%, water 10%, integration oil phase
Material 7%), it is mixed into 300g glass microsphere (fineness whole mistake 60 mesh sieve of glass microsphere) wherein, when color is become by brown
During for milky mastic, i.e. obtaining thin plate explosive welding paste emulsion explosive of the present invention, explosive density is 0.7g/cm3, explosion velocity
For 2400m/s.
Embodiment 3
Take emulsifying base 1000g (emulsifying base component: ammonium nitrate 81%, sodium nitrate 3.7%, water 9%, integration oil phase material
Material 6.3%), it is mixed into 500g glass microsphere (fineness whole mistake 60 mesh sieve of glass microsphere) wherein, when color is become from brown
During milky mastic, i.e. obtaining thin plate explosive welding paste emulsion explosive of the present invention, explosive density is 0.6g/cm3, explosion velocity is
2000m/s。
Embodiment 4
Explosive prepared by Example 1, for substrate aluminium sheet 2mm, compound plate titanium plate 0.1mm, titanium aluminum compound interface knot after blast
Closing firmly, combination rate reaches 98%, and surface is not the most damaged.
Embodiment 5
Explosive prepared by Example 2, for substrate iron plate 3mm, compound plate titanium plate 0.2mm, ferrotianium compound interface knot after blast
Closing firmly, combination rate reaches 98.5%, and surface is not the most damaged.
Embodiment 6
Explosive prepared by Example 3, for substrate steel plate 3mm, compound plate copper coin 0.1mm, Copper steel cladding interface knot after blast
Closing firmly, combination rate reaches 98%, and surface is not the most damaged.
Claims (5)
1. thin plate explosive welding paste emulsion explosive, it is characterised in that by weight percentage, this emulsion is by emulsified base
Matter 55～86% and glass microsphere 14～45% be mixed with and obtain；Described emulsifying base is formed by following component emulsifying, described group
It is divided into: ammonium nitrate 79～82%, sodium nitrate 3.5～3.9%, water 8～11%, integrated oil phase material 5～7%.
Thin plate explosive welding paste emulsion explosive the most according to claim 1, it is characterised in that described integration oil phase
Material is prepared by following method: emulsifying agent, machine oil, paraffin and microwax are mixed in order, 95～105 DEG C of fusings, then
In 70～75 DEG C of insulations；Described emulsifying agent is sorbitan mono-oleic acid ester, and its mass fraction is 2.5～2.7%.
Thin plate explosive welding paste emulsion explosive the most according to claim 2, it is characterised in that described emulsifying base
Emulsion process is: (1), under the conditions of 90～95 DEG C, water, ammonium nitrate and sodium nitrate are stirred into supersaturated solution, then 80～
It is incubated under the conditions of 85 DEG C；(2), by integrated oil phase material join in the supersaturated solution in step (1), 70～75 DEG C of breasts
Change, obtain emulsifying base.
4. according to the thin plate explosive welding paste emulsion explosive described in any one of claims 1 to 3, it is characterised in that described
The fineness of glass microsphere crosses 60 mesh sieves.
5. according to the thin plate explosive welding paste emulsion explosive described in any one of Claims 1 to 4, it is characterised in that described
The density of emulsion is 0.55～0.9g/cm3。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610270426.8A CN105949017B (en) | 2016-04-27 | 2016-04-27 | Thin plate explosive welding paste emulsion explosive |
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| CN201610270426.8A CN105949017B (en) | 2016-04-27 | 2016-04-27 | Thin plate explosive welding paste emulsion explosive |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750720A (en) * | 2016-04-29 | 2016-07-13 | 攀枝花学院 | Use of paste emulsion explosive and titanium-aluminum composite plate explosive molding device |
| CN106883083A (en) * | 2017-04-18 | 2017-06-23 | 攀枝花学院 | Emulsion and the mixed medicine granulation all-in-one of the method and physical sensitization of granulation |
| CN108467327A (en) * | 2018-05-28 | 2018-08-31 | 重庆顺安盛钛科技新材料有限公司 | A kind of explosive welding liquid explosives |
| CN110981663A (en) * | 2019-12-27 | 2020-04-10 | 雅化集团雅安实业有限公司 | High-temperature-resistant emulsion explosive and preparation method thereof |
| CN112851450A (en) * | 2021-01-25 | 2021-05-28 | 广灵县同德精华化工有限公司 | Powdery emulsion explosive for granite mine blasting and preparation method thereof |
| CN114736083A (en) * | 2022-04-01 | 2022-07-12 | 安徽理工大学 | Low-detonation-velocity explosion-welded granular emulsion explosive and preparation method thereof |
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| CN102861982A (en) * | 2011-07-05 | 2013-01-09 | 北京中国科学院老专家技术中心 | Method for welding composite plates and explosive used by same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750720A (en) * | 2016-04-29 | 2016-07-13 | 攀枝花学院 | Use of paste emulsion explosive and titanium-aluminum composite plate explosive molding device |
| CN106883083A (en) * | 2017-04-18 | 2017-06-23 | 攀枝花学院 | Emulsion and the mixed medicine granulation all-in-one of the method and physical sensitization of granulation |
| CN106883083B (en) * | 2017-04-18 | 2019-09-24 | 攀枝花学院 | The method and physical sensitization of emulsion and granulation mix medicine and are granulated all-in-one machine |
| CN108467327A (en) * | 2018-05-28 | 2018-08-31 | 重庆顺安盛钛科技新材料有限公司 | A kind of explosive welding liquid explosives |
| CN110981663A (en) * | 2019-12-27 | 2020-04-10 | 雅化集团雅安实业有限公司 | High-temperature-resistant emulsion explosive and preparation method thereof |
| CN112851450A (en) * | 2021-01-25 | 2021-05-28 | 广灵县同德精华化工有限公司 | Powdery emulsion explosive for granite mine blasting and preparation method thereof |
| CN114736083A (en) * | 2022-04-01 | 2022-07-12 | 安徽理工大学 | Low-detonation-velocity explosion-welded granular emulsion explosive and preparation method thereof |
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| CN105949017B (en) | 2018-06-15 |
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Effective date of registration: 20200826 Address after: 337000 huangnitun, Gaokeng Town, Anyuan District, Pingxiang City, Jiangxi Province Patentee after: Jiangxi Pingxiang Guotai 661 Technology Co.,Ltd. Address before: 617000 Airport Road, Panzhihua, Sichuan, No. 10 Patentee before: PANZHIHUA University |
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