CN1069093C - Ammonium nitrate explosive without TNT for coal mine and production thereof - Google Patents
Ammonium nitrate explosive without TNT for coal mine and production thereof Download PDFInfo
- Publication number
- CN1069093C CN1069093C CN97107202A CN97107202A CN1069093C CN 1069093 C CN1069093 C CN 1069093C CN 97107202 A CN97107202 A CN 97107202A CN 97107202 A CN97107202 A CN 97107202A CN 1069093 C CN1069093 C CN 1069093C
- Authority
- CN
- China
- Prior art keywords
- ammonium nitrate
- compound
- tnt
- coal mine
- explosive
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- C06B31/285—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with fuel oil, e.g. ANFO-compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to an ammonium nitrate explosive without trinitrotoluene for coal mines to blast under the conditions of coal mine gas and coal dust and the manufacture method thereof. The ammonium nitrate explosive without trinitrotoluene for coal mines of the present invention is prepared by mixing 73.5 to 82.5 % of microporous modified ammonium nitrate, 2.8 to 4.0 % of wood powder or charcoal powder, 3.0 to 4.5 % of compound oil phase and 10 to 20 % of salt. The present invention has the excellent physical characteristics of low moisture properties, no caking, high water resistance, good storing performance, etc., the detonation characteristics of high detonation speed, high capacity for work, etc. and the characteristic of high safety. The manufacture method of the ammonium nitrate explosive without trinitrotoluene for coal mines of the present invention has the advantages of convenience, reliability and safety. The present invention is suitable for industrial production.
Description
The present invention relates to a kind of ammonium nitrate explosive without TNT for coal mine and manufacture method thereof that is used for explosion under colliery or moisture coal-mine gas and the coal dust condition.
The colliery an-tnt explosive is a kind of solid explosive composition that China is widely used in colliery or moisture coal mining.It is to make oxygenant with powdery ammonium nitrate, and wood powder is made combustible agent, and TNT makes sensitizing agent, pitch and paraffin and makes water repellent agent.The pollution that have this explosive serious water absorbability and anti-caking and TNT cause and to problems such as the harm of human body, product cost height.Therefore, how overcoming the above-mentioned shortcoming of colliery an-tnt explosive, is the very difficult scientific research task that needs to be resolved hurrily in the current permissible explosives for coal mines technical field.
The object of the present invention is to provide a kind of water absorbability low, do not lump, capacity for work is strong, detonation rate is fast, security is good, have good water resisting property, is suitable for the ammonium nitrate explosive without TNT for coal mine and the manufacture method thereof of suitability for industrialized production.
The ammonium nitrate explosive without TNT for coal mine of design according to the present invention is characterized in that: by (quality %) micropore more than 73.5～82.5 modified ammonium nitrate, 2.8～4.0 wood powders/or wood charcoal powder, 3.0～4.5 compound oil phases, 10～20 salt form; Compound oil phase is made up of (quality %) 5～95 compound Microcrystalline Waxes, 0～45 pitch, 0～45 paraffin, 5～10 compound crystal activators; The compound crystal activator by (quality %) 60～80 alkylamine salts, 20～40 lipid acid or (with) soap forms.
The manufacture method of the ammonium nitrate explosive without TNT for coal mine that is designed by the present invention is characterized in that: the first step, with many micropores of ready-formed modified ammonium nitrate and wood powder/or wood charcoal powder wheel roller (or) mix in the ball mill, temperature is 70～80 ℃, time 5～10min; In second step, with salt and the first step blended mixing of materials, temperature is 70～80 ℃, time 5～10min; The 3rd step with compound Microcrystalline Wax or (with) the compound oil phase formed of pitch and paraffin, compound crystal activator goes on foot the blended mixing of materials with second, temperature is 70～120 ℃, time 15～25min; In the 4th step, the 3rd step blended material is cooled to below 40 ℃; The 5th step, the 4th step refrigerative material is carried out finished product powder charge or packing, make the ammonium nitrate explosive without TNT for coal mine finished product.The method of prefabricated many micropores modified ammonium nitrate is: general industry ammonium nitrate, compound crystal activator is soluble in water, the mass ratio of compound crystal activator and general industry ammonium nitrate is (0.05～0.40): (99.60～99.95), obtaining concentration is that 80～92 (quality %), temperature are 125～135 ℃ aqueous ammonium nitrate solution, at pressure be then-condition of (0.070～0.095) Mpa under crystallization, time is 5～15min, therefore obtains many micropores modified ammonium nitrate of moisture content≤0.2 (quality %); Wherein the compound crystal activator is by (quality %): 60～80 alkylamine salts, 20～40 lipid acid or (with) soap forms.
Principle of design of the present invention is: the compound crystal activator is made up of the kinds of surface promoting agent.When being present in the ammonium nitrate solution, it can significantly reduce its surface tension and surface energy, under extraneous mandatory condition, make ammonium nitrate solution be " boiling " state and crystallization, moisture is vaporized rapidly and is overflowed, so just form big, frangible, the microporous modified ammonium nitrate of specific surface area.According to surface chemistry principle and detonation reaction mechanism, this modified ammonium nitrate has self sensitization, water absorbability is low, anti-caking is low and characteristic such as shelf-stable, with it with can make ammonium nitrate explosive without TNT for coal mine after combustible agent, compound oil phase, salt mix with good physical and blast performance.
Ammonium nitrate explosive without TNT for coal mine of the present invention compared with prior art, its outstanding feature is: (1) adopts many micropores modified ammonium nitrate of self sensitization is the main component of explosive, has improved the susceptibility of system effectively; (2) blast performance of explosive of the present invention is good, and detonation rate reaches 3000=3500m.s
-1, capacity for work reaches 280～320ml, detonation is complete, and security is good; (3) between many micropores modified ammonium nitrate and wood powder, compound oil phase, the salt enough surface in contacts and bonding force are arranged, just the product stability good, water absorbability is low, do not lump, Gao Kangshui, have good shelf characteric and safety performance: the preparation method of (4) explosive of the present invention is easy, is suitable for suitability for industrialized production.
Specific embodiments of the present invention is provided by drawings and Examples.
Accompanying drawing is the process flow diagram of the ammonium nitrate explosive without TNT for coal mine manufacture method of proposition according to the present invention.
Below in conjunction with drawings and Examples the present invention is described in further detail.
The various starting material that adopted in the manufacturing process of the ammonium nitrate explosive without TNT for coal mine that the present invention proposes all meet the Ministry of Chemical Industry's ministerial standard or company standard.
Embodiment 1 (not having terraced ammonium nitrate dynamite with production 200kg2 colliery is example):
Select the mass ratio of ammonium nitrate explosive without TNT for coal mine: the mass ratio of the modified ammonium nitrate of micropore more than 78.60%, 3.0% wood powder or wood charcoal powder, 3.4% compound anti-water oil phase, 15.0% salt, compound anti-water oil phase is: 90.0% compound Microcrystalline Wax, 10.0% compound crystal activator.
By said ratio, implementation step is as follows:
The first step, take by weighing 157.2kg ammonium nitrate and 0.3kg compound crystal activator, be dissolved in the 15.0kg water, intensification is as for 130 ℃, keeping strength of solution is 91 (quality %), all after the dissolving, solution is sucked in the crystallizer, crystallization 10min under the pressure of-0.090 ± 0.005Mpa, promptly make many micropores modified ammonium nitrate of moisture content≤0.2 (quality %): wherein the compound crystal activator is by (quality %): 50.0 octadecane amine acetate, 25.0 methyl, 18-alkyl secondary amine acetate, 25.0 stearic acid makes under 80 ℃ of conditions, the mass ratio of compound crystal activator and general industry ammonium nitrate is 0.2: 99.8.
Second step, take by weighing the compound Microcrystalline Wax of 6.12kg, 0.68kg compound crystal activator under 80 ℃ of conditions in dissolving jar molten mixing to evenly, be incubated standby.
In the 3rd step, many micropores modified ammonium nitrate 157.2kg that the first step is made and 6.0kg wood powder or wood charcoal powder grind 5min in wheel roller, add dry good salt 30.0kg and grind 5min under 75 ℃ condition.
The 4th goes on foot, and ready compound oil phase 6.8kg of second step is added under 70 ℃ condition in the wheel Mill with roller grind 20min.
In the 5th step, dry in the air to can depositing or pack by the finished product dress below 40 ℃ grinding good material.
Product performance: have the industrial detonator Sensitivity to Primary Explosion No. 8, Φ 35mm paper tube powder charge (ρ=0.90～1.00g.cm
-3) explosion velocity 3240～3310m.s
-1, induced detonation 6～9cm before the immersion, immersion back induced detonation 6～8cm, brisance 13.6～14.5mm, capacity for work 300～315ml, gallery test 0/5 is more than half a year storage period.
Compare the explosion velocity 2600～3000m.s of existing No. 2 colliery an-tnt explosive Φ 35mm paper tube powder charges (ρ=0.95～1.10) with it
-1, induced detonation 4～9cm, brisance 11～12.5mm, capacity for work 250～280ml, be not more than 4 months storage period.
Compare the explosion velocity 2600～3000m.s of existing No. 2 anti-water colliery an-tnt explosive Φ 35mm paper tube powder charges (ρ=0.95～1.10) with it
-1, induced detonation 4～8cm before the immersion, immersion back induced detonation 3～5cm, brisance 11～12.3mm, capacity for work 250～270ml, gallery test 0/5, be not more than 4 months storage period.
Embodiment 2 (is example to produce the 200kg2 ammonium nitrate explosive without TNT for coal mine):
Select the mass ratio of ammonium nitrate explosive without TNT for coal mine: the modified ammonium nitrate of micropore more than 79.0%, 3.0% wood charcoal powder, 3.0% compound anti-water oil phase, 15.0% salt; The mass ratio of compound anti-water oil phase is: 10.0% compound Microcrystalline Wax, 45.0% pitch, 40.0% paraffin, 5.0% compound crystal activator.
By said ratio, implementation step is as follows:
The first step, take by weighing 158.0kg ammonium nitrate and 0.24kg compound crystal activator, be dissolved in the 18.0kg water, be warming up to 125 ℃, keeping strength of solution is 90 (quality %), all after the dissolving, solution is sucked in the crystallizer, crystallization treatment 15min under the pressure of-0.080 ± 0.05Mpa promptly gets many micropores modified ammonium nitrate of water content≤0.2 (quality %) then; Wherein the compound crystal activator is by (quality %): 60.0 n-Laurylamine nitrate, 30.0 methyl, 12-alkyl secondary amine nitrate, 10.0 stearic acid is to make under 95 ℃ of conditions in temperature, the mass ratio of complex crystallization activator and general industry ammonium nitrate is 0.15: 99.85.
Second step took by weighing 0.6kg compound wax, 2.7kg pitch, 2.4kg paraffin, 0.30kg compound crystal activator, and is molten to evenly 120 ℃ conditions, is incubated standby.
In the 3rd step, many micropores modified ammonium nitrate 158.0kg that the first step is made, 6.0kg wood charcoal powder add in the ball mill pulverizes 10min, adds dry good ± 30.0kg salt under 70 ℃ of conditions, mixes 5min.
In the 4th step, under 70 ℃ of conditions, the 6.0kg compounded oil is added to and mixes 15min in the ball mill.
The 5th step is with the 5th step among the embodiment 1.
Product performance: have the industrial detonator Sensitivity to Primary Explosion No. 8, Φ 35mm paper tube powder charge (ρ=0.90～1.00g.cm
-3) explosion velocity 3420m.s
-1), induced detonation 6～10cm before the immersion, immersion back induced detonation 5～7cm, brisance 15.3mm, capacity for work 327ml, gallery test 0/5 is more than half a year storage period.
Contrast situation with embodiment 1 with currently available products.
Embodiment 3 (is example to produce the 200kg3 ammonium nitrate explosive without TNT for coal mine):
Select the mass ratio of the anti-water ammonium nitrate dynamite in colliery: the modified ammonium nitrate of micropore more than 73.6%, 3.20% wood powder, 3.2% compound water repellent agent, 20.0% salt; The mass ratio of compound oil phase is: 95.0% compound Microcrystalline Wax, 5.0% compound crystal activator.
By said ratio, implementation step is as follows:
The first step, take by weighing 147.2kg ammonium nitrate and 0.30kg compound crystal activator, be dissolved in the 15.0kg water, be warming up to 130 ℃, keeping the concentration of solution is 90 (quality %), all after the dissolving, solution is sucked in the crystallizer, crystallization treatment 15min under the pressure of-0.085 ± 0.05Mpa then promptly obtains many micropores modified ammonium nitrate of water content≤0.2 (quality %); Wherein the compound crystal activator is by (quality %): 40.0 octadecane amine nitrate, 40.0 methyl, and 18 alkyl secondary amine acetate, 20.0 potassium stearates make under 70 ℃ of conditions, and the mass ratio of compound crystal activator and general industry ammonium nitrate is 0.2: 99.8.
Second step, take by weighing the compound Microcrystalline Wax of 60.8kg, 0.32kg compound crystal activator under 75 ℃ of conditions in dissolution boiler molten mixing to evenly, be incubated standby.
In the 3rd step, many micropores modified ammonium nitrate 147.2kg that the first step is made and the 6.4kg wood powder 5min that mills in wheel roller adds exsiccant salt 40kg under 75 ℃ condition, and 5min. mills.
In the 4th step, under 75 ℃ of conditions, ready compounded oil of second step is added to the 20min that mills in the wheel roller.
The 5th step is with the 5th step among the embodiment 1.
Product performance: have the industrial detonator sensitivity No. 8, Φ 35mm paper tube powder charge (ρ=0.90～1.00g.cm
-3) explosion velocity 3180m.s
-1, induced detonation 6cm before the immersion, immersion back induced detonation 6cm, brisance 13.9m, capacity for work 284ml, gallery test 0/5 is more than half a year storage period.
Compare existing No. 3 colliery an-tnt explosives, Φ 35mm paper tube powder charge (ρ=0.95～1.10g.cm with it
-3) explosion velocity 2600～2700m.s
-1), induced detonation 3～8cm, brisance 10～12mm, capacity for work 240～260ml, gallery test 0/5, be not more than 4 months storage period.
Compare existing No. 3 anti-water colliery an-tnt explosive Φ 35mm paper tube powder charge (ρ=0.95～1.10g.cm with it
-3) explosion velocity 2600～2700m.s
-1, induced detonation 3～6cm before the immersion, brisance 10～12mm, capacity for work 240～250ml, gallery test 0/5, be not more than 4 months storage period.
Embodiment 4 (is example to produce the 200kg3 ammonium nitrate explosive without TNT for coal mine):
Select the mass ratio of ammonium nitrate explosive without TNT for coal mine: the modified ammonium nitrate of micropore more than 74.4%, 3.0% wood charcoal powder, 2.6% compound anti-water oil phase, 20.0% salt; The mass ratio of compound anti-water oil phase is: 10.0% compound Microcrystalline Wax, 45.0% pitch, 35.0% paraffin, 10.0% compound crystal activator.
By said ratio, implementation step is as follows:
The first step, take by weighing 148.8kg ammonium nitrate and 0.42kg compound crystal activator is dissolved in the 20kg water, be warming up to 130 ℃, keeping the concentration of solution is 80 (quality %), all after the dissolving, solution is sucked in the crystallizer, and crystallization treatment 10min under the pressure of-0.090 ± 0.05Mpa promptly gets many micropores modified ammonium nitrate of water content≤0.2 (quality %) then; Wherein the compound crystal activator is by (quality %): 50.0 n-Laurylamine nitrate, 40.0 methyl, and 12-alkyl secondary amine nitrate, 10.0 potassium stearates make under 80 ℃ of conditions, and the mass ratio of compound crystal activator and general industry ammonium nitrate is 0.3: 99.7.
In second step, take by weighing the compound Microcrystalline Wax of 0.5kg, 2.4kg pitch, 1.8kg paraffin, the improvement of 0.5kg compound crystal
Agent is molten mixed to evenly in dissolution boiler under 120 ℃ condition, is incubated standby.
In the 3rd step, many micropores modified ammonium nitrate 148.8kg that the first step is made and 6.0kg wood charcoal powder add in the ball mill pulverizes 5min, adds dry good 40.0kg salt under 80 ℃ condition, mixes 5min.
In the 4th step, under 85 ℃ of conditions, the 5.2kg compounded oil is added to and mixes 25min in the ball mill.
The 5th step is with the 5th step among the embodiment 1.
Product performance: have the industrial detonator sensitivity No. 8, Φ 35m paper tube powder charge (ρ=0.90～1.00g.cm
-3) explosion velocity 3260m.s
-1, induced detonation 6cm before the immersion, immersion back induced detonation 6cm, brisance 14.2mm, capacity for work 298ml, gallery test 0/5 is more than half a year storage period.
Comparable situation is with embodiment 3.
Claims (3)
1, a kind of ammonium nitrate explosive without TNT for coal mine that is used for coal-mine gas and coal dust underground blasting, its feature are by (quality %): the modified ammonium nitrate of micropore more than 73.5～82.5,2.8～4.0 wood powders or wood charcoal powder, 3.0～4.5 compound oil phases, 10～20 salt mix and form; Compound oil phase is by (quality %): 5～95 compound Microcrystalline Waxes, 0～45 pitch, 0～45 paraffin, 5～10 compound crystal activators are formed; The compound crystal activator is by (quality %): 60～80 alkylamine salts, 20～40 lipid acid or (with) soap mixes and forms.
2, the manufacture method of ammonium nitrate explosive without TNT for coal mine according to claim 1 is characterized in that: the first step, with many micropores of ready-formed modified ammonium nitrate and wood powder/or wood charcoal powder mix, temperature is 70～80 ℃, time 5～10min; In second step, with salt and the first step blended mixing of materials, temperature is 70～80 ℃, time 5～10min; The 3rd step, will by compound Microcrystalline Wax or (with) the compound oil phase and second formed of pitch and paraffin, compound crystal activator goes on foot the blended mixing of materials, temperature is 70～120 ℃, time 15～25min; In the 4th step, the 3rd step blended material is cooled to below 40 ℃; The 5th step, the 4th step refrigerative material is carried out finished product powder charge or packing, make ammonium nitrate explosive without TNT for coal mine.
3, the manufacture method of ammonium nitrate explosive without TNT for coal mine according to claim 1 and 2, the mixing temperature that it is characterized in that the compound crystal activator is 70～90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97107202A CN1069093C (en) | 1997-11-21 | 1997-11-21 | Ammonium nitrate explosive without TNT for coal mine and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97107202A CN1069093C (en) | 1997-11-21 | 1997-11-21 | Ammonium nitrate explosive without TNT for coal mine and production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1218022A CN1218022A (en) | 1999-06-02 |
| CN1069093C true CN1069093C (en) | 2001-08-01 |
Family
ID=5169378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97107202A Expired - Fee Related CN1069093C (en) | 1997-11-21 | 1997-11-21 | Ammonium nitrate explosive without TNT for coal mine and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069093C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351618B (en) * | 2011-07-04 | 2013-09-11 | 湖南神斧集团一六九化工有限责任公司 | Water-resisting modified ammonium nitrate fuel oil explosive and preparation method thereof |
| CN103896695B (en) * | 2012-12-30 | 2016-04-20 | 南京理工大学 | Many micropores spherulitic ammonium nitrate and method for making thereof |
| CN103304349A (en) * | 2013-06-14 | 2013-09-18 | 鞍钢集团矿业公司 | Compound oil phase for underground mine emulsion explosives, and preparation method and applications thereof |
| CN104496733A (en) * | 2014-12-16 | 2015-04-08 | 陕西红旗民爆集团股份有限公司 | Low-detonation-velocity explosive with adjustable detonation velocity and brisance and preparation process thereof |
| CN105016934A (en) * | 2015-08-12 | 2015-11-04 | 徐志祥 | Preparation method of porous granular ammonium nitrate fuel oil explosive |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067043A (en) * | 1991-05-17 | 1992-12-16 | 华东工学院 | Powder ammonium nitrate explosive and preparation method thereof |
| CN1079951A (en) * | 1992-06-12 | 1993-12-29 | 中国矿业大学 | Water-repellent nitramon used in ladder-less coal mine |
| CN1088901A (en) * | 1992-12-29 | 1994-07-06 | 华东工学院 | Powdered ammonium nitrate-fuel oil explosive and manufacture method thereof |
| CN1110267A (en) * | 1994-12-12 | 1995-10-18 | 刘俊昌 | Water-proof explosive without TNT for coal mine |
-
1997
- 1997-11-21 CN CN97107202A patent/CN1069093C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067043A (en) * | 1991-05-17 | 1992-12-16 | 华东工学院 | Powder ammonium nitrate explosive and preparation method thereof |
| CN1079951A (en) * | 1992-06-12 | 1993-12-29 | 中国矿业大学 | Water-repellent nitramon used in ladder-less coal mine |
| CN1088901A (en) * | 1992-12-29 | 1994-07-06 | 华东工学院 | Powdered ammonium nitrate-fuel oil explosive and manufacture method thereof |
| CN1110267A (en) * | 1994-12-12 | 1995-10-18 | 刘俊昌 | Water-proof explosive without TNT for coal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1218022A (en) | 1999-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102424643B (en) | High-safety emulsion explosive for coal mine | |
| CN100413819C (en) | Water gel explosive with low detonation velocity for mining and method for producing same | |
| CN102924195B (en) | Viscous porous granulated ammonium nitrate fuel oil explosive and preparation method thereof | |
| Liu et al. | Study of ammonium perchlorate-based molecular perovskite (H2DABCO)[NH4 (ClO4) 3]/graphene energetic composite with insensitive performance | |
| CN104045495A (en) | Viscous and granular anfo (ammonium nitrate and fuel oil) explosive and preparation method thereof | |
| CN1069093C (en) | Ammonium nitrate explosive without TNT for coal mine and production thereof | |
| CN103724143A (en) | Rock powdery civil emulsion explosive and production process thereof | |
| CN1035759C (en) | Powdered ammonium nitrate fuel explosive and its preparing process | |
| CN100434404C (en) | Focal explosive colume containing gunpowder and producing process | |
| CN114436724A (en) | Boron-aluminum-containing mixed powder metalized high-energy emulsion explosive and preparation method thereof | |
| US4948438A (en) | Intermolecular complex explosives | |
| CN100450980C (en) | Powdery modified ammonium nitrate fuel oil for coal mine | |
| CN101844956B (en) | Low-detonation velocity anfo explosive and preparation method thereof | |
| CN1029521C (en) | Granulated emulsion explosive for rocks | |
| CN1028862C (en) | Powdered ammonium nitrate explosive and its preparation method | |
| CN101898923A (en) | Industrial waste oil expanded explosive and production method thereof | |
| Sinditskii et al. | Combustion of derivatives of 1, 5-diaminotetrazole | |
| CN1029395C (en) | Ammonium nitrate explosive | |
| CN111138236B (en) | 1,2, 4-triazole nitrate coated boron-magnesium composite metal powder fuel and preparation method thereof | |
| CN103242115B (en) | Water gel and ammonium nitrate fuel oil explosive and production method thereof | |
| CN1030568C (en) | Formula and process of novel powdery ammonium nitrate fuel oil explosive | |
| CN102850150B (en) | The powder porous ammonium nitrate explosive of ternary component and manufacture method thereof and using method | |
| RU2334733C1 (en) | Method of wells loading with explosives on basis of granulated ammonia nitrate | |
| US3124495A (en) | Explosive compositions | |
| CN110655433A (en) | High-performance mixed emulsion explosive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |