CN1035759C - Powdered ammonium nitrate fuel explosive and its preparing process - Google Patents
Powdered ammonium nitrate fuel explosive and its preparing process Download PDFInfo
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- CN1035759C CN1035759C CN92107872A CN92107872A CN1035759C CN 1035759 C CN1035759 C CN 1035759C CN 92107872 A CN92107872 A CN 92107872A CN 92107872 A CN92107872 A CN 92107872A CN 1035759 C CN1035759 C CN 1035759C
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- ammonium nitrate
- fuel oil
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- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000002360 explosive Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000446 fuel Substances 0.000 title claims description 3
- 239000000295 fuel oil Substances 0.000 claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 18
- 238000004880 explosion Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 12
- 239000003607 modifier Substances 0.000 claims description 12
- 239000002283 diesel fuel Substances 0.000 claims description 11
- 239000010721 machine oil Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 150000002632 lipids Chemical class 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 239000004200 microcrystalline wax Substances 0.000 claims description 4
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- -1 alkylamine salts Chemical class 0.000 claims description 2
- DVARTQFDIMZBAA-UHFFFAOYSA-O ammonium nitrate Chemical class [NH4+].[O-][N+]([O-])=O DVARTQFDIMZBAA-UHFFFAOYSA-O 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims 2
- 239000000600 sorbitol Substances 0.000 claims 2
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims 2
- 238000005474 detonation Methods 0.000 abstract description 12
- 239000003921 oil Substances 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000010960 commercial process Methods 0.000 abstract 1
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 8
- 235000021355 Stearic acid Nutrition 0.000 description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 8
- 239000008117 stearic acid Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 239000001993 wax Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- WERKSKAQRVDLDW-ANOHMWSOSA-N [(2s,3r,4r,5r)-2,3,4,5,6-pentahydroxyhexyl] (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO WERKSKAQRVDLDW-ANOHMWSOSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229940038384 octadecane Drugs 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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- Liquid Carbonaceous Fuels (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention relates to a mixed explosive for engineering blasting, and a manufacture method thereof, particularly a powdery ammonium nitrate fuel oil explosive for strip mines to blast, and a manufacture method thereof. The powdery ammonium nitrate fuel oil explosive for strip mines to blast is formed by mixing 94 to 95 wt% of lightweight micropore ammonium nitrate and 5 to 6 wt% of composition fuel oil. The explosive has the physical characteristics of high oil absorbency, no oil seepage, no caking and low moisture absorption, and has the detonation characteristics of high detonation sensitivity, high detonation speed and small critical diameters. The manufacture method of the explosive is convenient and reliable, and is suitable for commercial process.
Description
The present invention relates to a kind of pyrotechnic composition and manufacture method thereof that is used for engineering explosion, particularly a kind of powdered ammonium nitrate-fuel oil explosive and manufacture method thereof that is used for the surface mines explosion.
Ammonium nitrate-fuel oil mixture is domestic and international widespread use, a kind of rapidly solid explosive composition of development.Common ammonium nitrate-fuel oil mixture is made oxygenant with powdery ammonium nitrate, makes combustible agent with solar oil, and this explosive has serious water absorbability, anti-caking and oil impregnate.Porous particulated ammonium oil explosive is made oxygenant with ammonium nitrate, can address the above problem preferably.But no defective that all there are a series of blast performances such as Sensitivity to Primary Explosion is low, brisance is little, detonation rate is low, critical diameter is big in they.How to make ammonium nitrate-fuel oil mixture have good physicals and blast performance simultaneously, become the higher scientific research task of difficulty that needs to be resolved hurrily in the current ammonium nitrate-fuel oil mixture technical field.
A kind of powdered ammonium nitrate fuel oil mixture and the method for making thereof that provides in order to overcome the shortcoming that has ammonium nitrate-fuel oil mixture now is provided.The powdered ammonium nitrate-fuel oil explosive that is made by method of the present invention has not only kept the advantage of prior art, and detonation sensitivity, brisance, detonation rate etc. all be higher than currently available products, and is suitable for suitability for industrialized production.
The powdered ammonium nitrate-fuel oil explosive of design according to the present invention, it is characterized in that by (quality %): 94.0～95.0 light microporous ammonium nitrates and 5.0～6.0 composite fuel oils are formed; Composite fuel oil is by (quality %): 50～97 diesel oil, 0～40 Microcrystalline Wax or (with) paraffin, 3～5 lipid acid or (with) sorbitol monooleate (hereinafter to be referred as span-80) and 0～5 machine oil mixes and forms.
The manufacture method of the powdered ammonium nitrate-fuel oil explosive that designs according to the present invention: the first step, with the fragmentation of ready-formed light microporous ammonium nitrate; Second step by diesel oil, compound Microcrystalline Wax, machine oil, lipid acid or (with) composite fuel oil formed of span-80 mixes with the material of the first step fragmentation, temperature is 50～65 ℃, time 10～20min; The 3rd step was cooled to the second step blended material below 40 ℃; The 4th step was carried out finished product powder charge or packing with the 3rd step refrigerative material, and made the powdered ammonium nitrate-fuel oil explosive finished product; The method that it is characterized in that prefabricated light microporous ammonium nitrate is: at first that general industry ammonium nitrate is soluble in water, add compound crystal modifier simultaneously, the mass ratio of compound crystal modifier and general industry ammonium nitrate is (0.05～0.30): (99.7～99.95), obtaining concentration is that 90～93 (quality %), temperature are 120～135 ℃ aqueous ammonium nitrate solution, be-0.075 at pressure then～-condition of 0.095MPa under crystallization, time 5～15min makes the light microporous ammonium nitrate of moisture content≤0.3 (quality %) thus; Wherein, compound crystal modifier is by (quality %): 60～80 alkylamine salts, 5～35 lipid acid or (with) soap, 2～10 hard fragility fuel mix forms.
Principle of design of the present invention is: compound crystal modifier is made up of kinds of surface promoting agent and organism.When being present in the ammonium nitrate solution, they can reduce its surface tension, if be aided with compulsory ambient conditions, make ammonium nitrate solution be " boiling " state crystallization, moisture content is vaporized rapidly, is overflowed, and will form the light microporous ammonium nitrate that specific surface is big, light weight is frangible, little pore is many.According to surface chemistry principle and detonation reaction mechanism, this ammonium nitrate has self sensitization, oil absorbency height, anti-caking is low and the characteristic of shelf-stable, mix with above-mentioned composite fuel oil when it, just can make the powdered ammonium nitrate-fuel oil explosive that has good physical and blast performance simultaneously.
Powdered ammonium nitrate-fuel oil explosive of the present invention compared with prior art, its distinguishing feature is: (1) adopts the main component of the light microporous ammonium nitrate of self sensitization as explosive, improved the susceptibility of system effectively, the explosive that makes can directly be used blasting cap initiation, both can be suitable for the wide aperture explosion, can be made into minor diameter powder charge (minimum charge diameter can be 20mm) again; (2) blast performance of explosive of the present invention is good, and detonation rate reaches 3200～4800ms
-1, brisance reaches 340～390ml, detonation reacts completely; (3) enough surface in contacts and bonding force are arranged between light microporous ammonium nitrate and the composite fuel oil, make product stability good, do not lump, oil-tight, water absorbability is little, and has good shelf characteric; (4) manufacture method of explosive of the present invention is easy, reliable, 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 powdered ammonium nitrate-fuel oil explosive 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 powdered ammonium nitrate-fuel oil explosive that the present invention proposes all meet the Ministry of Chemical Industry's ministerial standard or company standard.
Embodiment 1 (is example to produce the 220kg powdered ammonium nitrate-fuel oil explosive):
Select the mass ratio of powdered ammonium nitrate-fuel oil explosive: 94.5% light microporous ammonium nitrate, 5.5% composite fuel oil; The mass ratio of composite fuel oil is: 50.0% diesel oil, 35.0% compound wax, 10.0% paraffin, 2.5%span-80 and 2.5% stearic acid.
By said ratio, implementation step is as follows:
The first step, take by weighing 207.6kg ammonium nitrate and 0.3kg compound crystal modifier, be dissolved in the 20kg water, be warming up to 120 ℃, keeping strength of solution is 91 (quality %), all after the dissolving, solution is sucked in the crystallizer, crystallization 15min under the pressure condition of-0.090 ± 0.005MPa promptly obtains the light microporous ammonium nitrate of water content＜0.3 (quality %); Wherein compound crystal modifier is by (quality %): 60.0 octadecane amine acetate, 35.0 stearic acid and 5.0 paraffin miscible obtaining under 80 ℃ of conditions, the mass ratio of compound crystal modifier and general industry ammonium nitrate is 0.2: 99.8.
Second step took by weighing 4.24kg compound wax, 1.21kg paraffin wax and 0.30kg stearic acid earlier, and is molten mixed in dissolution boiler under 80 ℃ of conditions then; Molten being mixed adds 6.05kg diesel oil and 0.30kgspan-80 after even again.
In the 3rd step, light microporous ammonium nitrate 207. 9kg that the first step the is made 10min that mills in wheel roller evenly adds ready composite fuel oil 12.1kg of second step under 60 ℃ condition, puddle 8min.
The 4th step, mixed material is dried in the air to below 40 ℃, can finished product powder charge and packing.
Product performance: have the industrial detonator Sensitivity to Primary Explosion No. 8, critical diameter 25mm.φ 35mm paper tube powder charge (ρ=0.90～1.00gcm
-3) explosion velocity 3320ms
-1, induced detonation 6～8cm, brisance (steel pipe) 24mm, power 375ml, storage period is more than 1 year.
Compare with it, existing porous particulated ammonium oil explosive does not have cap-sensitivity, critical diameter 80mm.φ 40mm steel pipe powder charge (ρ=0.85～0.90gcm
-3) explosion velocity 3180ms
-1, brisance (steel pipe) 14.8mm, power 240ml.Storage period was less than 3 months.
Embodiment 2 (is example to produce the 220kg powdered ammonium nitrate-fuel oil explosive):
Select the mass ratio of powdered ammonium nitrate-fuel oil explosive: 94.0% light microporous ammonium nitrate, 6.0% composite fuel oil; The mass ratio of composite fuel oil is: 92.0% diesel oil, 5.0% machine oil and 3.0%span-80.
By said ratio, implementation step is as follows:
The first step, take by weighing 206.6kg ammonium nitrate and 0.3kg compound crystal modifier, be dissolved in the 16kg water, be warming up to 120 ℃, keeping strength of solution is 93 (quality %), all after the dissolving, solution is sucked in the crystallizer, crystallization is handled 20min under the pressure condition of-0.080 ± 0.005MPa then, promptly gets the light microporous ammonium nitrate of water content＜0.3 (quality %); Wherein, compound crystal modifier is by (quality %): 90.0 n-Laurylamine nitrate, 8.0 stearic acid and 2.0 rosin are to mix under 90 ℃ of conditions in temperature, and the mass ratio of compound crystal modifier and general industry ammonium nitrate is 0.2: 99.8.
Second step took by weighing 12.05kg diesel oil, 0.65kg machine oil and 0.40kg span-80 earlier, was molten to evenly under 50 ℃ the condition in temperature then, was incubated standby;
In the 3rd step, the light microporous ammonium nitrate 206.8kg that the first step is made adds in the goal machine and pulverizes 10min, evenly adds ready composite fuel oil 13.2kg of second step under 55 ℃ of conditions, puddles 8min.
The 4th step is with the 4th step of embodiment 1.
Product performance: have the industrial detonator Sensitivity to Primary Explosion No. 8, critical diameter 25mm.φ 38mm paper tube (ρ=0.90～1.00gcm
-3) explosion velocity 3640ms
-1, induced detonation 7～9cm, brisance (steel pipe) 25.2mm, power 388ml.Storage period is more than 1 year.
Contrast situation with embodiment 1 with currently available products.
Embodiment 3 (is example to produce the 220kg powdered ammonium nitrate-fuel oil explosive):
Select the mass ratio of powdered ammonium nitrate-fuel oil explosive: 94.5% light microporous ammonium nitrate, 5.5% composite fuel oil; The mass ratio of composite fuel oil is: 60% diesel oil, 30% compound wax, 7% machine oil, 1.5%span-80 and 1.5% stearic acid.
By said ratio, implementation step is as follows:
The first step is with embodiment 1 the first step.
In second step, take by weighing 3.63kg compound wax, 0.97kg machine oil and 0.18kg stearic acid earlier and under 80 ℃ of conditions, in dissolution boiler, melt mixed then; Molten being mixed adds 7.24kg diesel oil and 0.18kgspan-80 after even again, is molten to evenly under 50 ℃ the condition in temperature, is incubated standby.
The 3rd step is with the 3rd step of embodiment 1.
The 4th step is with the 4th step of embodiment 1.
Product performance: have the industrial detonator Sensitivity to Primary Explosion No. 8, critical diameter 25mm.φ 35mm paper tube powder charge (ρ=0.90～1.00gcm
-3) explosion velocity 3350ms
-1, induced detonation 7cm, brisance (steel pipe) 24.2mm, power 380ml.Storage period is more than 1 year.
Comparable situation is with embodiment 1.
Embodiment 4 (is example to produce the 220kg powdered ammonium nitrate-fuel oil explosive):
Select the mass ratio of powdered ammonium nitrate-fuel oil explosive: 94.5% light microporous ammonium nitrate, 5.5% composite fuel oil; The mass ratio of composite fuel oil is: 95% diesel oil, 2.5% stearic acid and 2.5%span-80.
By said ratio, implementation step is as follows:
The first step is with embodiment 1 the first step.
Second step took by weighing 11.5kg machine oil and 0.3kg stearic acid and 0.3kg span-80, in temperature be under 55 ℃ the condition in dissolution boiler molten mixing, after evenly, be incubated standby.
The 3rd step is with the 3rd step of embodiment 1.
The 4th step is with the 4th step of embodiment 1.
Product performance: with embodiment 1, explosion velocity 3420ms wherein
-1, brisance (steel pipe) 24.6mm, 6 months storage periods.
Claims (3)
1, a kind of powdered ammonium nitrate-fuel oil explosive that is used for engineering explosion, it is characterized in that by (quality %): 94～95 light microporous ammonium nitrates and 5～6 composite fuel oils mix and form, and composite fuel oil is by (quality %): 50～97 diesel oil, 0～40 compound Microcrystalline Wax or/and paraffin, 3～5 lipid acid or/and Sorbitol Powder list olein and the mixing of 0～5 machine oil form.
2, the manufacture method of powdered ammonium nitrate-fuel oil explosive according to claim 1, the first step are with the fragmentation of ready-formed light microporous ammonium nitrate; Second step, or/and the composite fuel oil that Sorbitol Powder list olein is formed mixes with the material of the first step fragmentation, temperature was 50～65 ℃, time 10～20min by diesel oil, compound Microcrystalline Wax, machine oil, lipid acid; The 3rd step was cooled to the second step blended material below 40 ℃; The 4th step was carried out finished product powder charge or packing with the 3rd step refrigerative material, made the powdered ammonium nitrate-fuel oil explosive product; The method that it is characterized in that prefabricated light microporous ammonium nitrate is, at first with in the molten sub-water of common ammonium nitrate, add simultaneously by (quality %): 60～80 alkylamine salts, 5～35 lipid acid are or/and the compound crystal modifier that soap and 2～10 hard fragility fuel mix are formed, its add-on is 0.05～0.03% of a general industry ammonium nitrate total mass, obtaining concentration is 90～93 (quality %), temperature is 120～135 ℃ a ammonium nitrate solution, be crystallization under the condition of-0.075～-0.095 MPa at pressure then, time is 5～15min, makes the light microporous ammonium nitrate of water content≤0.3 (quality %) thus.
3, the manufacture method of powdered ammonium nitrate-fuel oil explosive according to claim 2, the mixing temperature that it is characterized in that compound crystal modifier is 60～90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92107872A CN1035759C (en) | 1992-12-29 | 1992-12-29 | Powdered ammonium nitrate fuel explosive and its preparing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92107872A CN1035759C (en) | 1992-12-29 | 1992-12-29 | Powdered ammonium nitrate fuel explosive and its preparing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1088901A CN1088901A (en) | 1994-07-06 |
| CN1035759C true CN1035759C (en) | 1997-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92107872A Expired - Fee Related CN1035759C (en) | 1992-12-29 | 1992-12-29 | Powdered ammonium nitrate fuel explosive and its preparing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1035759C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360478C (en) * | 2006-01-04 | 2008-01-09 | 云南安化有限责任公司 | Environment-friendly type glutinous pellet explosive |
| CN101544524B (en) * | 2009-05-13 | 2012-01-25 | 北京北矿亿博科技有限责任公司 | Anfo explosive and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069093C (en) * | 1997-11-21 | 2001-08-01 | 南京理工大学 | Ammonium nitrate explosive without TNT for coal mine and production thereof |
| CN100361942C (en) * | 2005-10-14 | 2008-01-16 | 四川南红化工有限公司 | Ammonium nitrate fuel oil explosive for composite explosive welding of low-explosion-speed steel plate |
| CN101323551B (en) * | 2007-06-12 | 2011-04-06 | 辽宁红山化工股份有限公司 | Rock powdery emulsifying ammonium nitrate fuel explosive and preparing process thereof |
| CN101328098B (en) * | 2008-08-04 | 2011-05-04 | 耿一平 | Solution state modified ammonium nitrate fuel explosive and preparation thereof |
| CN102199065A (en) * | 2011-04-19 | 2011-09-28 | 湖北东神楚天化工有限公司 | Powder return preventing modified ammonium nitrate fuel oil explosive |
| CN102675011A (en) * | 2012-07-02 | 2012-09-19 | 大连安泰化工有限公司 | Production method and device of anfo explosives |
| CN103896695B (en) * | 2012-12-30 | 2016-04-20 | 南京理工大学 | Many micropores spherulitic ammonium nitrate and method for making thereof |
| CN114526649A (en) * | 2021-12-16 | 2022-05-24 | 江睿 | Preparation method of simple ammonium nitrate fuel oil explosive for drilling |
| CN114380656A (en) * | 2021-12-30 | 2022-04-22 | 江睿 | Simple ammonium nitrate fuel oil explosive for drilling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100399A (en) * | 1985-04-01 | 1986-10-01 | 冶金工业部长沙矿冶研究院 | Method and process for preparing powdered nitramon |
| CN1067043A (en) * | 1991-05-17 | 1992-12-16 | 华东工学院 | Powder ammonium nitrate explosive and preparation method thereof |
-
1992
- 1992-12-29 CN CN92107872A patent/CN1035759C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100399A (en) * | 1985-04-01 | 1986-10-01 | 冶金工业部长沙矿冶研究院 | Method and process for preparing powdered nitramon |
| CN1067043A (en) * | 1991-05-17 | 1992-12-16 | 华东工学院 | Powder ammonium nitrate explosive and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360478C (en) * | 2006-01-04 | 2008-01-09 | 云南安化有限责任公司 | Environment-friendly type glutinous pellet explosive |
| CN101544524B (en) * | 2009-05-13 | 2012-01-25 | 北京北矿亿博科技有限责任公司 | Anfo explosive and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1088901A (en) | 1994-07-06 |
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