CN106565391A - Expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and manufacturing method thereof - Google Patents
Expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and manufacturing method thereof Download PDFInfo
- Publication number
- CN106565391A CN106565391A CN201610947475.0A CN201610947475A CN106565391A CN 106565391 A CN106565391 A CN 106565391A CN 201610947475 A CN201610947475 A CN 201610947475A CN 106565391 A CN106565391 A CN 106565391A
- Authority
- CN
- China
- Prior art keywords
- parts
- antiwater
- detonation
- containing waste
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/12—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
- C06B33/14—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds at least one being an inorganic nitrogen-oxygen salt
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and a manufacturing method thereof. Improved expired propellant containing water-gel explosives are used as main charges of the seismic explosive column, so that the detonator sensitivity problem of the expired propellant containing high-detonation-velocity water-resistant type seismic explosive column is solved. According to the technical scheme adopted by the invention, the expired propellant containing high-detonation-velocity water-resistant type seismic explosive column consists of the following raw materials in parts by weight: 10-15 parts of water, 2-5 parts of urea, 40-65 parts of expired propellant, 20-40 parts of an anti-oxidant, 1-10 parts of a gelatinizing agent, 3-7 parts of sodium nitrate and 0.5-1 part of a cross-linking agent. The manufacturing method comprises the following steps of: adding ammonium nitrate, sodium nitrate, water and urea into a mixer to obtain a mixture; stirring and dissolving the mixture; adding the gelatinizing agent into the mixture; and finally, conveying the mixture into a charging machine through a pressure air pipeline, wherein GB15563 standard requirements are met. The expired propellant containing high-detonation-velocity water-resistant type seismic explosive column can be widely applied to the field of high-detonation-velocity seismic explosive columns.
Description
Technical field
One kind high-detonation velocity antiwater containing Containing Waste Propellant of the invention and preparation method thereof, belongs to high explosion velocity focus medicine
Column technology field.
Background technology
Explosive-source explosive post is the explosive by explosive charge as epicenter excitation seismic wave, and explosive-source explosive post is mainly used in stone
The broken reef operation of the geophysical explorations such as oil, natural gas, coal, mineral products and deep water, according to degree of packing can be divided into low-density, in it is close
Three kinds of degree and high density, using seismic exploration principle, can find out the various mineral reserve in underground.Explosive-source explosive post by housing, explosive column and
Booster gains is constituted, and is divided into by the kind of main charge：AN-TNT containing explosive explosive-source explosive post, nitrogelatin explosive-source explosive post, emulsion shake
Source powder column, other explosive-source explosive posts.
The main charge of existing high explosion-speed seismic explosive columns is AN-TNT containing explosive, and AN-TNT containing explosive water-resistance is poor, right containing TNT
Environmental pollution is big.In order to adapt to the requirement in market, with reference to emulsion, aqueous gels containing Containing Waste Propellant, aqueous gels advantage,
Occur in that the products such as emulsion explosive-source explosive post, high explosion velocity water resistant explosive-source explosive post, glue explosive-source explosive post on market in succession, meet not
With the demand of user.The main charge of wherein high-detonation velocity antiwater is aqueous gels containing Containing Waste Propellant.Containing Containing Waste Propellant
Aqueous gels are being succeeded in developing so far for 2000, have been produced and have been used 15 years, are mainly used in surface blasting.User reflects that this is fried
Medicine density exists（1.35-1.50g/cm3), the process in filling blasthole is easily sunk, explosion velocity high (being more than 6000m/s).In view of
The product have developed the water-resistant type focus containing the high explosion velocity of Containing Waste Propellant by above-mentioned advantage, applicant through improving as main charge
Powder column.
The content of the invention
Instant invention overcomes the deficiency that prior art is present, there is provided a kind of focus medicine of high-detonation velocity antiwater type containing Containing Waste Propellant
Post and preparation method thereof, using improvement after aqueous gels containing Containing Waste Propellant as the main charge of explosive-source explosive post, solve containing retired
The cap-sensitivity problem of gunpowder high-detonation velocity antiwater.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of high explosion velocity water resistant containing Containing Waste Propellant
Type explosive-source explosive post, is made up of the raw material of following weight, water 10-15 parts, urea 2-5 parts, Containing Waste Propellant 40-65 part, oxygen
Agent 20-40 part, gelling agent 1-10 parts, 3～7 parts of sodium nitrate, crosslinking agent 0.5-1 parts.
The oxidant is ammonium nitrate.
The gelling agent is any one in polyacrylamide, acrylamide, acrylic acid three.
The crosslinking agent is any one in ammonium persulfate, potassium bichromate, potassium peroxydisulfate, sodium peroxydisulfate.
The heat resistance of the explosive-source explosive post is -20 DEG C～40 DEG C.
The present invention prepares a kind of method containing Containing Waste Propellant high-detonation velocity antiwater as mentioned above, including following step
Suddenly：
The first step：Blender rotating speed is 4.0-4.5Hz, under normal temperature, the ammonium nitrate after metering, sodium nitrate, water, urea is added mixed
In clutch, stirred by vapour heating, until being completely dissolved；
Second step：Blender rotating speed 5.0-6.8Hz, 30 DEG C -65 DEG C of temperature, mixing time 10-20 minute, gelling agent is added, handed over
Connection dosage form is uniformly without explosive glue of the caking with good fluidity；
3rd step：Explosive glue obtained by second step is transported in charging machine by pressing vacant duct, by charging machine explosive
Glue is encased in equipped with having weighed in the seismic charge shell of Containing Waste Propellant, is tightened on gland with pneumatic air pressure gun, containing retired
Gunpowder high-detonation velocity antiwater；
4th step：By the test method that GB15563 standards specify, to the water resistant containing Containing Waste Propellant high-detonation velocity antiwater
Performance, explosion transfer performance, tensile property, sensitivity to initiation, fall security etc. and make a service test, meet the requirement of GB15563 standards.
The present invention has an advantageous effect in that compared with prior art：The focus of high-detonation velocity antiwater type containing Containing Waste Propellant of the invention
Powder column increased explosive-source explosive post new varieties, meet the demand of wider user.The product belongs to stepless seismic cartridge, meets environmentally friendly development
Direction, using improvement after aqueous gels containing Containing Waste Propellant as the main charge of explosive-source explosive post, solve containing the high explosion velocity of Containing Waste Propellant
The cap-sensitivity problem of water-resistant type explosive-source explosive post.
Specific embodiment
One kind high-detonation velocity antiwater containing Containing Waste Propellant of the invention and preparation method thereof, by improvement after containing retired
Gunpowder aqueous gels solve the detonator sense containing Containing Waste Propellant high-detonation velocity antiwater as the main charge of explosive-source explosive post
Degree problem.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of high explosion velocity water resistant containing Containing Waste Propellant
Type explosive-source explosive post, is made up of the raw material of following weight, water 10-15 parts, urea 2-5 parts, Containing Waste Propellant 40-65 part, oxygen
Agent 20-40 part, gelling agent 1-10 parts, 3～7 parts of sodium nitrate, crosslinking agent 0.5-1 parts.
The oxidant is ammonium nitrate.
The gelling agent is any one in polyacrylamide, acrylamide, acrylic acid three.
The crosslinking agent is any one in ammonium persulfate, potassium bichromate, potassium peroxydisulfate, sodium peroxydisulfate.
The heat resistance of the explosive-source explosive post is -20 DEG C～40 DEG C.
The present invention prepares a kind of method containing Containing Waste Propellant high-detonation velocity antiwater as mentioned above, including following step
Suddenly：
The first step：Blender rotating speed is 4.0-4.5Hz, under normal temperature, the ammonium nitrate after metering, sodium nitrate, water, urea is added mixed
In clutch, stirred by vapour heating, until being completely dissolved；
Second step：Blender rotating speed 5.0-6.8Hz, 30 DEG C -65 DEG C of temperature, mixing time 10-20 minute, gelling agent is added, handed over
Connection dosage form is uniformly without explosive glue of the caking with good fluidity；
3rd step：Explosive glue obtained by second step is transported in charging machine by pressing vacant duct, by charging machine explosive
Glue is encased in equipped with having weighed in the seismic charge shell of Containing Waste Propellant, is tightened on gland with pneumatic air pressure gun, containing retired
Gunpowder high-detonation velocity antiwater；
4th step：By the test method that GB15563 standards specify, to the water resistant containing Containing Waste Propellant high-detonation velocity antiwater
Performance, explosion transfer performance, tensile property, sensitivity to initiation, fall security etc. and make a service test, meet the requirement of GB15563 standards.
Further, the present invention is described in detail by following several specific embodiments.
Embodiment one
A kind of high-detonation velocity antiwater containing Containing Waste Propellant, is made up of the raw material of following weight, and 10 parts of water is retired
40 parts of gunpowder, 39 parts of ammonium nitrate, 3.5 parts of acrylic acid, 5 parts of sodium nitrate, 2 parts of ammonium persulfate 0.5, urea.
A kind of preparation method containing Containing Waste Propellant high-detonation velocity antiwater, comprises the following steps：
（1）The ammonium nitrate for measuring, sodium nitrate, urea, water are added in blender；Stirring is started, while lead to toward in chuck steaming
Vapour is heated, until ammonium nitrate is completely dissolved；
（2）Gelling agent is added by rotating speed 5.0Hz, 55 DEG C（Stirring 10 minutes）, add sodium peroxydisulfate, formed uniformly without caking
Glue with good fluidity；
（3）By step（2）The glue of gained passes through pressure sky Jing pipelines in charging machine, step（3）By step（2）Gained
Glue is transported in charging machine by pressing vacant duct, and explosive glue is encased in equipped with having weighed Containing Waste Propellant by charging machine
In seismic charge shell, gland is tightened with pneumatic air pressure gun, high-detonation velocity antiwater containing Containing Waste Propellant；
（4）By the test method that GB15563 standards specify, to the water-resistance containing Containing Waste Propellant high-detonation velocity antiwater
Energy, explosion transfer performance, tensile property, sensitivity to initiation, fall security etc. and make a service test, meet the requirement of GB15563 standards.
Measuring the explosion velocity containing Containing Waste Propellant high-detonation velocity antiwater is：6000-6500m/s.
Embodiment two
A kind of high-detonation velocity antiwater containing Containing Waste Propellant, is made up of the raw material of following weight, and 12.5 parts of water is moved back
45 parts of gunpowder of labour, 30 parts of ammonium nitrate, 1 part of polyacrylamide, 7 parts of sodium nitrate, 4 parts of urea.0.5 part of potassium bichromate
A kind of preparation method containing Containing Waste Propellant high-detonation velocity antiwater is with embodiment one.
Measuring the explosion velocity containing Containing Waste Propellant high-detonation velocity antiwater is：6000-6300m/s.
Embodiment three
A kind of high-detonation velocity antiwater containing Containing Waste Propellant, is made up of the raw material of following weight, and 10 parts of water is retired
60 parts of gunpowder, 20 parts of ammonium nitrate, 4 parts of acrylamide, 3 parts of sodium nitrate, 2 parts of urea.1 part of potassium peroxydisulfate
A kind of preparation method containing Containing Waste Propellant high-detonation velocity antiwater is with embodiment one.
Measuring the explosion velocity containing Containing Waste Propellant high-detonation velocity antiwater is：6100-6400m/s.
Example IV
A kind of high-detonation velocity antiwater containing Containing Waste Propellant, is made up of the raw material of following weight, and 10 parts of water is retired
60 parts of gunpowder, 20 parts of ammonium nitrate, 4 parts of acrylamide, 3 parts of sodium nitrate, 2 parts of urea.1 part of potassium peroxydisulfate
A kind of preparation method containing Containing Waste Propellant high-detonation velocity antiwater is with embodiment one.
Measuring the explosion velocity containing Containing Waste Propellant high-detonation velocity antiwater is：6200-6800m/s.
The technical indicator and test data such as following table of explosion-speed seismic explosive columns in high-detonation velocity antiwater type containing Containing Waste Propellant.
| Project | Index | Test data |
| Explosion velocity | ≥6000m/s | 6583 |
| Water repelling property | Kept for 48 hours under conditions of pressure is 0.3Mpa, sensitivity to initiation test is carried out after taking-up, should be exploded completely. | It is qualified |
| Explosion transfer performance | After one group of explosive-source explosive post detonation of the gross mass not less than 10kg, should explode completely. | It is qualified |
| Tensile property | By two section explosive-source explosive post connections, under the quiet pulling force of 98N, continue 30 minutes, junction should not rupture or be pulled. | It is qualified |
| Sensitivity to initiation | After to the detonation of single-unit explosive-source explosive post, should explode completely. | It is qualified |
| Heat resistance | 8 hours are incubated under conditions of -20 ± 2 DEG C -40 ± 2 DEG C, sensitivity to initiation test is carried out after taking-up, should be exploded completely. | It is qualified |
| Fall security | In height at 6 meters, after test suspention its free-falling to be made, do not burn after test or explode. | It is qualified |
The present invention can be summarized with others without prejudice to the concrete form of the spirit or essential characteristics of the present invention.Therefore, nothing
By from the point of view of which point, the embodiment above of the present invention can only all be considered the description of the invention and can not limit invention,
Claims indicate the scope of the present invention, and the scope of the present invention is not pointed out in above-mentioned explanation, therefore, with the present invention
The suitable implication and scope of claims in any change, be all considered as being included within the scope of the claims.
Claims (6)
1. a kind of high-detonation velocity antiwater containing Containing Waste Propellant, it is characterised in that：By the raw material group of following weight
Into, water 10-15 parts, urea 2-5 parts, Containing Waste Propellant 40-65 part, oxidant 20-40 parts, gelling agent 1-10 parts, sodium nitrate 3～7
Part, crosslinking agent 0.5-1 parts.
2. it is according to claim 1 one kind high-detonation velocity antiwater containing Containing Waste Propellant, it is characterised in that：The oxygen
Agent is ammonium nitrate.
3. it is according to claim 1 one kind high-detonation velocity antiwater containing Containing Waste Propellant, it is characterised in that：The glue
Solidifying agent is any one in polyacrylamide, acrylamide, acrylic acid three.
4. it is according to claim 1 one kind high-detonation velocity antiwater containing Containing Waste Propellant, it is characterised in that：The friendship
Connection agent is any one in ammonium persulfate, potassium bichromate, potassium peroxydisulfate, sodium peroxydisulfate.
5. it is according to claim 1 one kind high-detonation velocity antiwater containing Containing Waste Propellant, it is characterised in that：The shake
The heat resistance of source powder column is -20 DEG C～40 DEG C.
6. a kind of method containing Containing Waste Propellant high-detonation velocity antiwater as claimed in claim 1 is prepared, it is characterised in that
Comprise the following steps：
The first step：Blender rotating speed is 4.0-4.5Hz, under normal temperature, the ammonium nitrate after metering, sodium nitrate, water, urea is added mixed
In clutch, stirred by vapour heating, until being completely dissolved；
Second step：Blender rotating speed 5.0-6.8Hz, 30 DEG C -65 DEG C of temperature, mixing time 10-20 minute, gelling agent is added, handed over
Connection dosage form is uniformly without explosive glue of the caking with good fluidity；
3rd step：Explosive glue obtained by second step is transported in charging machine by pressing vacant duct, by charging machine explosive
Glue is encased in equipped with having weighed in the seismic charge shell of Containing Waste Propellant, is tightened on gland with pneumatic air pressure gun, containing retired
Gunpowder high-detonation velocity antiwater；
4th step：By the test method that GB15563 standards specify, to the water resistant containing Containing Waste Propellant high-detonation velocity antiwater
Performance, explosion transfer performance, tensile property, sensitivity to initiation, fall security etc. and make a service test, meet the requirement of GB15563 standards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947475.0A CN106565391A (en) | 2016-10-26 | 2016-10-26 | Expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947475.0A CN106565391A (en) | 2016-10-26 | 2016-10-26 | Expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106565391A true CN106565391A (en) | 2017-04-19 |
Family
ID=58535162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610947475.0A Pending CN106565391A (en) | 2016-10-26 | 2016-10-26 | Expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106565391A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251114A (en) * | 2018-09-07 | 2019-01-22 | 长沙理工大学 | The gel-casting method of gunpowder |
| CN110407652B (en) * | 2019-08-19 | 2021-02-02 | 安徽雷鸣科化有限责任公司 | Mixed loading equipment for water gel explosive and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5507892A (en) * | 1993-04-20 | 1996-04-16 | Union Espanola De Explosivos, Sociedad Anonima | Explosive composition suitable for cartridging in paper and its method of manufacture |
| CN1128743A (en) * | 1995-02-06 | 1996-08-14 | 南京理工大学 | Slurry explosive and mfg. method thereof |
| CN1778776A (en) * | 2004-11-17 | 2006-05-31 | 辽阳庆阳爆破器材厂 | High-energy colloidal focus medicinal column and production thereof |
| CN102432409A (en) * | 2011-09-26 | 2012-05-02 | 安徽雷鸣科化股份有限公司 | High-density high-detonation-speed water gel explosive seismic explosive column and preparation method thereof |
| CN103408387A (en) * | 2013-07-19 | 2013-11-27 | 辽宁庆阳民爆器材有限公司 | Double base tube-energetic colloid explosive |
| CN105115364A (en) * | 2015-07-27 | 2015-12-02 | 山西江阳兴安民爆器材有限公司 | High-energy detonation tool assembled through obsolete propellant and assembling process of high-energy detonation tool |
| CN105439783A (en) * | 2015-12-14 | 2016-03-30 | 山西江阳兴安民爆器材有限公司 | Expired propellant-containing water-gel explosive-filled seismic charge and preparation method thereof |
-
2016
- 2016-10-26 CN CN201610947475.0A patent/CN106565391A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5507892A (en) * | 1993-04-20 | 1996-04-16 | Union Espanola De Explosivos, Sociedad Anonima | Explosive composition suitable for cartridging in paper and its method of manufacture |
| CN1128743A (en) * | 1995-02-06 | 1996-08-14 | 南京理工大学 | Slurry explosive and mfg. method thereof |
| CN1778776A (en) * | 2004-11-17 | 2006-05-31 | 辽阳庆阳爆破器材厂 | High-energy colloidal focus medicinal column and production thereof |
| CN102432409A (en) * | 2011-09-26 | 2012-05-02 | 安徽雷鸣科化股份有限公司 | High-density high-detonation-speed water gel explosive seismic explosive column and preparation method thereof |
| CN103408387A (en) * | 2013-07-19 | 2013-11-27 | 辽宁庆阳民爆器材有限公司 | Double base tube-energetic colloid explosive |
| CN105115364A (en) * | 2015-07-27 | 2015-12-02 | 山西江阳兴安民爆器材有限公司 | High-energy detonation tool assembled through obsolete propellant and assembling process of high-energy detonation tool |
| CN105439783A (en) * | 2015-12-14 | 2016-03-30 | 山西江阳兴安民爆器材有限公司 | Expired propellant-containing water-gel explosive-filled seismic charge and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 王文栋，等: "退役火药在乳化炸药和水胶炸药中的应用研究", 《爆破器材》 * |
| 王海亮，等: "《工程爆破》", 31 January 2008, 中国铁道出版社 * |
| 苗建国，等: "《矿井爆破安全技术》", 31 August 1987, 中国经济出版社 * |
| 贾占山，等: "含退役火药新型高爆速震源药柱配方和工艺的研究", 《爆破器材》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251114A (en) * | 2018-09-07 | 2019-01-22 | 长沙理工大学 | The gel-casting method of gunpowder |
| CN110407652B (en) * | 2019-08-19 | 2021-02-02 | 安徽雷鸣科化有限责任公司 | Mixed loading equipment for water gel explosive and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mahadevan | Ammonium nitrate explosives for civil applications: slurries, emulsions and ammonium nitrate fuel oils | |
| Fordham | High explosives and propellants | |
| CN102432409B (en) | High-density high-explosion-speed water gel explosive seismic charge and preparation method thereof | |
| CN102924195B (en) | Viscous porous granulated ammonium nitrate fuel oil explosive and preparation method thereof | |
| Pachman et al. | Study of TATP: blast characteristics and TNT equivalency of small charges | |
| CN106565391A (en) | Expired propellant containing high-detonation-velocity water-resistant type seismic explosive column and manufacturing method thereof | |
| US3465675A (en) | Process of blasting with thickened slurried inorganic oxidizer salt-alcohol water explosive mixtures | |
| CN103922874B (en) | Primary granules of polystyrene is as the application and the mixed loading emulsion explosive and preparation method thereof of physical sensitization agent in the mixed loading emulsion explosive | |
| CN104713432A (en) | Blasting method employing detonation wave energy collection | |
| Němec et al. | Modification of W/O emulsions by demilitarized Composition B | |
| CN102887805B (en) | Mixed explosive containing powder grains | |
| Wang et al. | Preparation and performance of a novel water gel explosive containing expired propellant grains | |
| CN103242115B (en) | Water gel and ammonium nitrate fuel oil explosive and production method thereof | |
| CN108774097A (en) | A kind of high density moisture-proof ammonium nitrate-fuel oil mixture and preparation method thereof | |
| US3617402A (en) | Aqueous slurry blasting composition containing an aliphatic amine salt and a water soluble inorganic perchlorate | |
| Zakusylo | Investigation of the initiating ability of conically shaped charges | |
| CN105439783A (en) | Expired propellant-containing water-gel explosive-filled seismic charge and preparation method thereof | |
| CN114773133B (en) | Rock petroleum emulsion explosive for top hole charging | |
| CN101967074B (en) | Eexplosive preparation method | |
| US3762970A (en) | Gelled nitroparaffin explosive composition containing air entrapper plus inert weighting material | |
| CN104276909B (en) | A kind of high density insensitiveness rock titania-mica | |
| US3341382A (en) | Boosters for relatively insensitive high ammonium nitrate explosives | |
| CN119431088A (en) | An improved liquid-mixed expanded ammonium nitrate explosive and its preparation method and application | |
| WO2008009031A1 (en) | Technological procedure for making industrial powdered explosives | |
| RU30963U1 (en) | Detonator checker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
|
| RJ01 | Rejection of invention patent application after publication |