CN105949017B - Thin plate explosive welding paste emulsion explosive - Google Patents
Thin plate explosive welding paste emulsion explosive Download PDFInfo
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- CN105949017B CN105949017B CN201610270426.8A CN201610270426A CN105949017B CN 105949017 B CN105949017 B CN 105949017B CN 201610270426 A CN201610270426 A CN 201610270426A CN 105949017 B CN105949017 B CN 105949017B
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- explosive
- thin plate
- emulsion
- emulsified
- 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)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to a kind of emulsions, more particularly to a kind of thin plate explosive welding paste emulsion explosive, by weight percentage, the emulsion is made of emulsified bases 55~86% and glass microsphere 14~45%, and the emulsified bases is obtained by the emulsification of ammonium nitrate 78~82%, sodium nitrate 3.5~3.9%, water 8~11% and integrated oil phase material 5~7%.The Density of Emulsion Explosive of the present invention is 0.55~0.9g/cm3, explosion velocity is 1500m/s~2900m/s, which has the characteristics of easily production, performance are stable, brisance is high, and explosive welding effect is good.
Description
Technical field
The present invention relates to a kind of emulsions, and in particular to a kind of thin plate explosive welding paste emulsion explosive.
Background technology
Explosive welding is a kind of Solid-phase welding method, commonly used in the welding between dissimilar metal.Such as titanium, copper, aluminium, steel
Welding between metal, and the welding of these chemical compositions and the different metal material of physical property, with other welding methods
It is difficult to realize.The composite metal plate that explosive welding generates is mainly used for substituting expensive stainless steel and non-ferrous metal, uses extensively
In fields such as chemical industry, ship, vehicle, military project, space flight.Also the parts of particular/special requirement, such as wear-resisting, heat-resisting, corrosion resistant can be made
Erosion etc..Due to the particular/special requirement of explosive welding, the low explosive with dedicated explosive and routine is needed.At present, in the market often
It is that simple substance high explosive adds diluent, high explosive TNT etc. of high cost, it is dangerous big；Either bulking ammonium nitrate explosive adds dilution
Agent etc., for example Liu's thickness is put down, the main research carried out in terms of superfine modified ammonium nitrate of Lv Chunxu, Ming Jinggu, Tang Qiuming et al., and
This ammonium nitrate is mixed with combustion oil, wood powder, have developed in succession new No. 4 rock powdery nitrolites, bulking ammonium nitrate explosive,
Powdery modified ammonium nitrate fuel oil explosive, modified powdery ammonium nitrate-fuel oil mixture.Its principle will mainly add in a large amount of in this kind of powdery class nitrolite
Additive (such as expanded perlite, salt), although reducing the explosion velocity of explosive, complicated, lengthy and tedious, dangerous is blended link,
Unstable detonation property, poor Explosion composite effect equally hinders the large-scale production of explosive processing industry, prior
It is that this kind of nitrolite is due to energy consumption height, and dust is big, has been included in the product of China's developmental limitation, and a lot of areas are
The not production line, explosive welding cannot use explosive, be restricted welding on the spot；The third is added using powdery emulsifying explosive
Conditioning agent forms, patent CN102603440A, but China's explosive production at present, and most producers are containing emulsion explosive, explosion
Welding cannot use explosive on the spot, and welding becomes difficult, and cost improves, and formality is cumbersome.
Invention content
The technical problems to be solved by the invention are to provide a kind of thin plate explosive welding paste emulsion explosive.By weight hundred
Divide than meter, which is mixed with to obtain by emulsified bases 55~86% and glass microsphere 14~45%；The emulsified base
Matter is emulsified by following components, and the component is：Ammonium nitrate 79~82%, sodium nitrate 3.5~3.9%, water 8~11%, one
Body carburetion phase material 5~7%.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the integrated oil phase material is by following methods system
It is standby to obtain：Emulsifier, machine oil, paraffin and microwax are mixed in order, 95~105 DEG C of fusings, then at 70~75 DEG C of heat preservations；Institute
Emulsifier is stated as sorbitan mono-oleic acid ester, mass fraction is 2.5~2.7%.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the emulsion process of the emulsified bases is：(1), will
Water, ammonium nitrate and sodium nitrate stir into supersaturated solution under the conditions of 90~95 DEG C, are then kept the temperature under the conditions of 80~85 DEG C；
(2), above-mentioned integrated oil phase material is added in the supersaturated solution in step (1), 70~75 DEG C of emulsifications obtain emulsified base
Matter.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the fineness of the glass microsphere crosses 60 mesh sieve.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the density of the emulsion is 0.55~0.9g/
cm3。
The present invention has the beneficial effect that：
Thin plate explosive welding of the present invention is not only good with easily production, performance stabilization and explosive welding effect with paste emulsion
The excellent performance of (explosive welding Percentage bound >=98%), and explosive good fluidity, when explosive welding, can make each as needed
Kind shape.When the emulsion is used for thin plate explosive welding, compound plate thickness can be conducive to cost-effective down to 0.1mm.
Specific embodiment
A kind of thin plate explosive welding paste emulsion explosive of the present invention, by weight percentage, the emulsion is by emulsifying
Matrix 55~86% and glass microsphere 14~45% are mixed with to obtain；The emulsified bases is emulsified by following components, institute
Stating 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 water phase of emulsified bases, and integrated oil phase material is the oil phase material of emulsified bases.
Wherein, the preparation process of above-mentioned thin plate explosive welding paste emulsion explosive is：It is constantly mixed into emulsified bases
Glass microsphere is adjusted to required density, until treating that color becomes milky lotion from brown.The addition of glass microsphere can make to fry
The molding effect of medicine is more preferable.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the integrated oil phase material is by following methods system
It is standby to obtain：Emulsifier, machine oil, paraffin and microwax are mixed in order, 95~105 DEG C of fusings, then at 70~75 DEG C of heat preservations；Institute
Emulsifier is stated as sorbitan mono-oleic acid ester, mass fraction is 2.5~2.7%.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the emulsion process of the emulsified bases is：(1), will
Water, ammonium nitrate and sodium nitrate stir into supersaturated solution under the conditions of 90~95 DEG C, are then kept the temperature under the conditions of 80~85 DEG C；
(2), above-mentioned integrated oil phase material is added in the supersaturated solution in step (1), 70~75 DEG C of emulsifications obtain emulsified base
Matter.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the integrated oil phase material is by emulsifier and again
Wax is closed to be mixed to get；The mass fraction of emulsifier is 2.5~2.7%.Wherein, mentioned emulsifier is preferably using sorbitol anhydride list oil
Acid esters (SP-80), can also be properly added macromolecule emulsifier commonly used in the art, such as succimide；Above-mentioned complex wax by machine oil,
Paraffin and microwax are formed, and ratio is unlimited.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the fineness of the glass microsphere crosses 60 mesh sieve.
Wherein, in above-mentioned thin plate explosive welding paste emulsion explosive, the density of the emulsion is 0.55~0.9g/
cm3, detonation velocity is 1600m/s~2900m/s.Explosive property is stablized, and explosive is water-based explosive, paste, and when explosive welding can
Make as needed it is variously-shaped, such as plate.
Wherein, above-mentioned thin plate explosive welding paste emulsion explosive, when the emulsion is used for thin plate explosive welding,
Compound plate thickness can be down to 0.1mm, and compound plate thickness is lower, more cost-effective.
The specific embodiment of the present invention is further described with reference to embodiment, is not therefore limited the present invention
System is among the embodiment described range.
The emulsion process of emulsified bases is in embodiment 1-3：(1), first add water in tank body, then add ammonium nitrate and nitric acid
Sodium stirs into supersaturated solution at 95 DEG C, then in 80 DEG C of heat preservations；(2), integrated oil phase material is prepared：First plus SP-80 is emulsified
Agent, then add machine oil, paraffin and microwax mixing, 100 DEG C of fusings are warming up to, then 70 DEG C of heat preservations；(3), by integrated oil phase material
Material is added in the supersaturated solution in step (1), in 70 DEG C of emulsifications, obtains emulsified bases.
Embodiment 1
Take emulsified bases 1000g (emulsified bases components：Ammonium nitrate 80%, sodium nitrate 3.5%, water 10%, integrated oil phase
Material 6.5%), it is mixed into 170g glass microspheres (fineness of glass microsphere all crosses 60 mesh sieve) thereto, when color is become by brown
To get to thin plate explosive welding paste emulsion explosive of the present invention, explosive density 0.9g/cm during for milky lotion3, explosion velocity
For 2900m/s.
Embodiment 2
Take emulsified bases 1000g (emulsified bases components：Ammonium nitrate 79.5%, sodium nitrate 3.5%, water 10%, integrated oil
Phase material 7%), it is mixed into 300g glass microspheres (fineness of glass microsphere all crosses 60 mesh sieve) thereto, when color is become by brown
To get to thin plate explosive welding paste emulsion explosive of the present invention, explosive density 0.7g/cm during for milky lotion3, explosion velocity
For 2400m/s.
Embodiment 3
Take emulsified bases 1000g (emulsified bases components：Ammonium nitrate 81%, sodium nitrate 3.7%, water 9%, integrated oil phase
Material 6.3%), it is mixed into 500g glass microspheres (fineness of glass microsphere all crosses 60 mesh sieve) thereto, when color is become by brown
To get to thin plate explosive welding paste emulsion explosive of the present invention, explosive density 0.6g/cm during for milky lotion3, explosion velocity
For 2000m/s.
Embodiment 4
Explosive prepared by Example 1, for substrate aluminium sheet 2mm, compound plate titanium plate 0.1mm, titanium aluminium compound interface after explosion
It is firmly combined with, Percentage bound reaches 98%, and surface is not damaged substantially.
Embodiment 5
Explosive prepared by Example 2, for substrate iron plate 3mm, compound plate titanium plate 0.2mm, ferrotianium compound interface after explosion
It is firmly combined with, Percentage bound reaches 98.5%, and surface is not damaged substantially.
Embodiment 6
Explosive prepared by Example 3, for substrate steel plate 3mm, compound plate copper coin 0.1mm, Copper steel cladding interface after explosion
It is firmly combined with, Percentage bound reaches 98%, and surface is not damaged substantially.
Claims (3)
1. thin plate explosive welding paste emulsion explosive, which is characterized in that by weight percentage, the emulsion is by emulsified base
Matter 55~86% and glass microsphere 14~45% are mixed with to obtain；The emulsified bases is emulsified by following components, described
Component is：Ammonium nitrate 79~82%, sodium nitrate 3.5~3.9%, water 8~11%, integrated oil phase material 5~7%；Described one
Body carburetion phase material is prepared by following methods：Emulsifier, machine oil, paraffin and microwax are mixed in order, 95~105 DEG C
Fusing, then at 70~75 DEG C of heat preservations；The emulsifier is sorbitan mono-oleic acid ester, and mass fraction is 2.5~2.7%；Institute
The fineness for stating glass microsphere crosses 60 mesh sieve.
2. thin plate explosive welding paste emulsion explosive according to claim 1, which is characterized in that the emulsified bases
Emulsion process is：(1), water, ammonium nitrate and sodium nitrate are stirred into supersaturated solution under the conditions of 90~95 DEG C, then 80~
It is kept the temperature under the conditions of 85 DEG C；(2), integrated oil phase material is added in the supersaturated solution in step (1), 70~75 DEG C of breasts
Change, obtain emulsified bases.
3. according to claims 1 or 2 any one of them thin plate explosive welding paste emulsion explosive, which is characterized in that described
The density of emulsion is 0.55~0.9g/cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270426.8A CN105949017B (en) | 2016-04-27 | 2016-04-27 | Thin plate explosive welding paste emulsion explosive |
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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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| CN105949017A CN105949017A (en) | 2016-09-21 |
| CN105949017B true CN105949017B (en) | 2018-06-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750720B (en) * | 2016-04-29 | 2019-03-19 | 攀枝花学院 | The purposes and titanium aluminum composite plate explosive forming device of paste emulsion explosive |
| 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 |
| CN114736083B (en) * | 2022-04-01 | 2023-05-02 | 安徽理工大学 | Low-explosion-speed explosion welding granular emulsion explosive and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104591935A (en) * | 2014-12-31 | 2015-05-06 | 南京三邦金属复合材料有限公司 | Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive |
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2016
- 2016-04-27 CN CN201610270426.8A patent/CN105949017B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104591935A (en) * | 2014-12-31 | 2015-05-06 | 南京三邦金属复合材料有限公司 | Low-detonation-velocity explosive for explosive welding and preparation method of low detonation velocity explosive |
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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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