CN1286239A - Ammonium nitrate explosive for engineering explosion and its preparing process - Google Patents
Ammonium nitrate explosive for engineering explosion and its preparing process Download PDFInfo
- Publication number
- CN1286239A CN1286239A CN 00113148 CN00113148A CN1286239A CN 1286239 A CN1286239 A CN 1286239A CN 00113148 CN00113148 CN 00113148 CN 00113148 A CN00113148 A CN 00113148A CN 1286239 A CN1286239 A CN 1286239A
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- Prior art keywords
- temperature
- mixed grind
- oil phase
- batch mixing
- compound oil
- Prior art date
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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 43
- 239000002360 explosive Substances 0.000 title claims abstract description 26
- 238000004880 explosion Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title description 4
- 239000000654 additive Substances 0.000 claims abstract description 20
- 230000000996 additive effect Effects 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 239000003921 oil Substances 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 22
- 235000010855 food raising agent Nutrition 0.000 claims description 17
- 235000021355 Stearic acid Nutrition 0.000 claims description 14
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 14
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 14
- 239000008117 stearic acid Substances 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- 239000002023 wood Substances 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 7
- 239000010903 husk Substances 0.000 claims description 6
- 239000010721 machine oil Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- -1 SP-80 Substances 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 239000004067 bulking agent Substances 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
An ammonium nitrate explosive for engineering explosion is prepared from ammonium nitrate (89-93 wt.%) composite oil phase (3.0-4.5 wt.%), bulking agent (4.0-6.5 wt.%) and composite additive through hot mixing-grinding and cold mixing-grinding. Its advantages are low cost, high safety and performance, high adaptability, and controllable explosion performance.
Description
The present invention relates to explosive, especially for ammoniumnitrate explosives of engineering explosion and preparation method thereof.
At present, in engineering explosion, extensively adopt ammonium nitrate explosive, in order to improve this type of explosion properties, often add the material of some high blast performance therein usually, a class is high explosives such as TNT, is the patent of CN1186794A as patent publication No.; Another kind of is metal energetic materials such as aluminium powder, as patent publication No. is the patent of CN1197781A, these materials are the price height not only, the blast performance relative fixed is difficult for regulating, be difficult to adapt to of the different requirements of different blasting workss, also exist simultaneously to be detrimental to health and problem of environmental pollution explosive property.
Purpose of the present invention is to provide a kind of TNT, aluminium powder of not containing at above-mentioned the deficiencies in the prior art part; The blast performance height, and can carry out stable regulation from high to low, suitability is strong, and cost is low; Harmless substantially to HUMAN HEALTH, to free of contamination substantially ammoniumnitrate explosives of environment and preparation method thereof.
Purpose of the present invention can reach by following technical measures:
Ammoniumnitrate explosives of the present invention is counted by weight percentage, makes by following material, and ammonium nitrate 93-89%, compound oil phase 3.0-4.5%, raising agent 4.0-6.5%, adding composite additive is the 0.1-0.15% of aforementioned component gross weight in addition.
Ammonium nitrate is the ammonium nitrate of technical grade standard.
Compound oil phase is divided into compound oil phase A and compound oil phase B, and compound oil phase A is made by stearic acid 2.0-3.4%, SP-80 2.0-3.3%, residual wax 96-93.3 by weight percentage; Compound oil phase B is made by stearic acid 2.1-4.3%, SP-80 2.1-4.3%, A wax 95-85.7%, machine oil 0.8-5.7% by weight percentage.
Composite additive is the explosive specific complex additive of market supply.
Raising agent is a kind of or 2-3 kind mixture wherein in wheat stalk powder, husk powder, wood powder, the wood charcoal powder.Its fineness is can pass through the 0.45mm testing sieve more than 90%, and 50-60% can pass through the 0.3mm testing sieve.
The preparation method of ammoniumnitrate explosives of the present invention is: ammonium nitrate is pulverized, added composite additive, drop into mixed grind in the mixed grind equipment; Add compound oil phase, continue mixed grind, take out hot batch mixing; Hot batch mixing is dropped into the mixed grind of lowering the temperature in the mixed grind equipment; Add raising agent, continue mixed grind; Take out cold batch mixing.Its concrete processing method, adopt following dual mode to carry out:
A, ammonium nitrate is pulverized, added composite additive, drop into mixed grind in the mixed grind equipment, time 15-25 minute, 105 ℃-130 ℃ of machine temperature were to disperse its composite additive; Add compound oil phase A, oily temperature is 125 ℃-140 ℃, continues mixed grind, and time 10-20 minute, 105 ℃-130 ℃ of machine temperature were to disperse its compound oil phase A; Take out hot batch mixing, 105 ℃-110 ℃ of material temperature; Hot batch mixing is dropped into the mixed grind of lowering the temperature in the mixed grind equipment, time 15-25 minute, 30 ℃-40 ℃ of machine temperature; Add raising agent, continue mixed grind, time 10-20 minute, 30 ℃-40 ℃ of machine temperature; Take out cold batch mixing, 40 ℃-50 ℃ of material temperature; Reduce to room temperature, packing.
B, ammonium nitrate is pulverized, added composite additive, drop into mixed grind in the mixed grind equipment, time 10-25 minute, 75 ℃-90 ℃ of machine temperature; To disperse its composite additive; Add compound oil phase B, oily temperature is 115 ℃-125 ℃, continues mixed grind, time 10-15 minute, and 75 ℃-90 ℃ of machine temperature; Take out hot batch mixing, 75 ℃-90 ℃ of material temperature; Hot batch mixing is dropped in the mixed grind equipment mixed grind of lowering the temperature, time 10-25 minute, 30 ℃-40 ℃ of machine temperature; Add raising agent, continue mixed grind, time 10-15 minute, 30 ℃-40 ℃ of machine temperature were to disperse its raising agent; Take out cold batch mixing, 40 ℃-50 ℃ of material temperature; Reduce to room temperature, packing.
The preparation method of compound oil phase A or compound oil phase B carries out according to following processing step: count by weight percentage, get required formula material amount; Residual wax or A wax are dropped in the melting pot, be steam heated to 70 ℃-75 ℃, close dog-house, stir; Treat wax temperature rise to 100 ℃-140 ℃, vacuum hydro-extraction; Keep 120 ℃-140 ℃ of wax temperature, by being metered into stearic acid, SP-80 or successively by being metered into stearic acid, SP-80, machine oil, fully stirring 5-10 minute simultaneously, filtration promptly gets compound oil phase A of powdery or the compound oil phase B of powdery, and is standby successively.
Be best embodiment of the present invention below:
The prescription of ammoniumnitrate explosives of the present invention is: by weight percentage, ammonium nitrate 93-89%, compound oil phase 3.0-4.5%, raising agent 4.0-6.5%, other adding composite additive are the 0.1-0.15% of aforementioned component gross weight.
Table 1 is the concrete prescription of ammoniumnitrate explosives embodiment 1-5 of the present invention: the prescription of table 1 embodiment 1-5
Annotate: weight percent content is to calculate by this component total weight percent in the table.
Embodiment 1
As shown in table 1: the formula rate of pressing embodiment 1 each component, preparation 250Kg powder ammonium nitrate explosive, required prescription starting material are: ammonium nitrate 225Kg, wood powder 8.75Kg, husk powder 7.5Kg, residual wax 8.4Kg, stearic acid 0.175Kg, SP-80 0.175Kg, adding composite additive 0.25Kg in addition.
The method for preparing above-mentioned ammoniumnitrate explosives is: get ammonium nitrate 225Kg and pulverized, add composite additive 0.25Kg, drop into mixed grind in the mixed grind equipment, 20 minutes time, 115 ℃-120 ℃ of machine temperature add the compound oil phase A meter 8.75Kg that is made by residual wax 8.4Kg, stearic acid 0.175Kg, SP-80 0.175Kg, 130 ℃ of oil temperature, continue mixed grind, 10 minutes time, 115 ℃-120 ℃ of machine temperature; Take out hot batch mixing, 106 ℃ of material temperature drop into hot batch mixing in the mixed grind equipment mixed grind of lowering the temperature, 15 minutes time, 30 ℃-35 ℃ of machine temperature add the raising agent meter 16.25Kg that is made up of wood powder 8.75Kg, husk powder 7.5Kg, continue mixed grind, 15 minutes time, 30 ℃-35 ℃ of machine temperature; Take out cold batch mixing, 40 ℃ of material temperature are reduced to room temperature, packing.
Embodiment 3
As shown in table 1: the formula rate of pressing embodiment 3 each component, preparation 250Kg powder ammonium nitrate explosive, required prescription starting material are: ammonium nitrate 227.5Kg, wood powder 6.25Kg, wood charcoal powder 5.0Kg, residual wax 10.7Kg, stearic acid 0.275Kg, SP-80 0.275Kg, adding composite additive 0.25Kg in addition.
The method for preparing above-mentioned ammonium nitrate dynamite is: get ammonium nitrate 227.5Kg and pulverized, add composite additive 0.25Kg, drop into mixed grind in the mixed grind equipment, 25 minutes time, 120 ℃-125 ℃ of machine temperature; The compound oil phase A meter 11.25Kg that adding is made by residual wax 10.7Kg, stearic acid 0.275Kg, SP-80 0.275Kg, 135 ℃ of oil temperature continue mixed grind, 15 minutes time, 120 ℃-125 ℃ of machine temperature; Take out hot batch mixing, 108 ℃ of material temperature; Hot batch mixing is dropped in the mixed grind equipment mixed grind of lowering the temperature, 20 minutes time, 35 ℃-40 ℃ of machine temperature; The raising agent meter 11.25Kg that adding is made up of wood powder 6.25Kg, wood charcoal powder 5.0Kg continues mixed grind, 20 minutes time, 35 ℃-40 ℃ of machine temperature; Take out cold batch mixing, 45 ℃ of material temperature; Reduce to room temperature, packing.
Embodiment 5
As shown in table 1: the formula rate of pressing embodiment 5 each component, preparation 250Kg powder ammonium nitrate explosive, required prescription starting material are: ammonium nitrate 225Kg, wheat stalk powder 7.5Kg, husk powder 8.75Kg, A wax 7.5Kg, machine oil 0.5Kg, stearic acid 0.375Kg, SP-80 0.375Kg, adding composite additive 0.25Kg in addition.
The method for preparing above-mentioned ammonium nitrate dynamite is: get ammonium nitrate 225Kg and pulverized, add composite additive 0.25Kg, drop into mixed grind in the mixed grind equipment, 15 minutes time, 80 ℃-85 ℃ of machine temperature; Adding is by A wax 7.5Kg, machine oil 0.5Kg, stearic acid 0.375Kg, SP-80
0.375Kg the compound oil phase B meter 8.75Kg that makes, 120 ℃ of oil temperature continue mixed grind, 10 minutes time, 80 ℃-85 ℃ of machine temperature; Take out hot batch mixing, 80 ℃ of material temperature drop into hot batch mixing in the mixed grind equipment mixed grind of lowering the temperature, 15 minutes time, 30 ℃-35 ℃ of machine temperature; Adding continues mixed grind, 10 minutes time, 30 ℃-35 ℃ of machine temperature by the raising agent meter 16.25Kg that wheat stalk powder 7.5Kg, husk powder 8.75Kg form; Take out cold batch mixing, 40 ℃ of material temperature; Reduce to room temperature, packing.
As shown in table 1: enforcement 2 and enforcement 4, except that the formula for raw stock ratio had nothing in common with each other, the processing step of its preparation method was identical with embodiment 5 with embodiment 3 respectively.The powder ammonium nitrate explosive that utilizes embodiment 1-5 preparation method to be obtained, its blast performance have related parameter as shown in table 2 below: each embodiment blast performance table of table 2
Annotate: the test powder stick is φ 35mm, the constraint of paper shell.
The remarkable advantage that the present invention compared with prior art has is:
1, cost is low. Do not contain expensive TNT or aluminium powder raw material in the product, and Required raw material are common to be easy to get, and production method is easy, thereby production cost is low, can be lower than 2 Number rock dynamite 20-30%, and explosion property is better than such explosive.
2, performance is good. As shown in table 2, these embodiment 1-5 explosion property data show, no Only explosion property is good, and also can carry out stable regulation and control to its explosion property, can be made into difference The series of products of explosion property satisfy different engineerings to the different demands of explosion property, and product can Make the minor diameter explosion powder stick of different size, the scope of application is big, and result of use is good, and has Stable cap-sensitivity also is like this when properties of product such as embodiment 5.
3, security is good. Owing to do not contain TNT, aluminium powder or other mechanical sensitivity height in the product Material, therefore, the machining security performance is good, does not also contain harmful material, Can not cause the harm of human body and the pollution of environment.
4, good physical performance. The hygroscopicity of product is little, does not lump, and is non-sclerous, oil-tight, Used convenient transportation, safety greater than 6 months storage period.
Claims (7)
1, a kind of ammoniumnitrate explosives that is used for engineering explosion, comprise ammonium nitrate, compound oil phase, raising agent, it is characterized in that: count by weight percentage, ammonium nitrate 93-89%, compound oil phase 3.0-4.5%, raising agent 4.0-6.5%, adding composite additive is the 0.1-0.15% of aforementioned component gross weight in addition.
2, ammoniumnitrate explosives according to claim 1 is characterized in that: compound oil phase by weight percentage, by stearic acid 2.0-3.4%, SP-80 2.0-3.3%, residual wax 96-93.3% make compound oil phase A.
3, ammoniumnitrate explosives according to claim 1 is characterized in that: compound oil phase by weight percentage, by stearic acid 2.1-4.3%, the compound oil phase B that SP-80 2.1-4.3%, A wax 95-85.7%, machine oil 0.8-5.7% make.
4, according to claim 1 or 2 or 3 described ammoniumnitrate explosivess, it is characterized in that: raising agent is a kind of or 2-3 kind mixture wherein in wheat stalk powder, husk powder, wood powder, the wood charcoal powder.
5, ammoniumnitrate explosives according to claim 4 is characterized in that: the fineness of raising agent is to pass through the 0.45mm testing sieve more than 90%, and 50-60% is by the 0.3mm testing sieve.
6, the preparation method of ammoniumnitrate explosives according to claim 1 is characterized in that: ammonium nitrate is pulverized, added composite additive, drop into mixed grind in the mixed grind equipment; Add compounded oil and continue mixed grind mutually, take out hot batch mixing; Hot batch mixing is dropped into the mixed grind of lowering the temperature in the mixed grind equipment; Add raising agent, continue mixed grind; Take out cold batch mixing,, its concrete processing method adopts following dual mode to carry out:
A, ammonium nitrate is pulverized, added composite additive, drop into mixed grind in the mixed grind equipment, time 15-25 minute, 105 ℃-130 ℃ of machine temperature; Add compound oil phase A, 125 ℃-140 ℃ of oil temperature continue mixed grind, and time 10-20 minute, 105 ℃-130 ℃ of machine temperature; Take out hot batch mixing, 105 ℃-110 ℃ of material temperature; Hot batch mixing is dropped into the mixed grind of lowering the temperature in the mixed grind equipment, time 15-25 minute, 30 ℃-40 ℃ of machine temperature; Add raising agent, continue mixed grind, time 10-20 minute, 30 ℃-40 ℃ of machine temperature; Take out cold batch mixing, 40 ℃-50 ℃ of material temperature; Reduce to room temperature, packing;
B, ammonium nitrate is pulverized, added composite additive, drop into mixed grind in the mixed grind equipment, time 10-25 minute, 75 ℃-90 ℃ of machine temperature; Add compound oil phase B, 115 ℃-125 ℃ of oil temperature continue mixed grind, and time 10-15 minute, 75 ℃-90 ℃ of machine temperature; Take out hot batch mixing, 75 ℃-90 ℃ of material temperature; Hot batch mixing is dropped into the mixed grind of lowering the temperature in the mixed grind equipment, time 10-25 minute, 30 ℃-40 ℃ of machine temperature; Add raising agent, continue temperature and grind, time 10-15 minute, 30 ℃-40 ℃ of machine temperature; Take out cold batch mixing, 40 ℃-50 ℃ of material temperature; Reduce to room temperature, packing.
7, the preparation method of ammoniumnitrate explosives according to claim 6 is characterized in that: the preparation method of compound oil phase A or compound oil phase B carries out according to following processing step: get required formula material amount by weight percentage; Residual wax or A wax are dropped in the melting pot, be steam heated to 70 ℃-75 ℃, close dog-house, stir; Treat wax temperature rise to 100 ℃-140 ℃, vacuum hydro-extraction; Keep 120 ℃-140 ℃ of wax temperature, by being metered into stearic acid, SP-80 or successively by being metered into stearic acid, SP-80, machine oil, fully stirring 5-10 minute simultaneously, filtration promptly gets compound oil phase A of powdery or the compound oil phase B of powdery successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00113148 CN1125800C (en) | 2000-08-30 | 2000-08-30 | Ammonium nitrate explosive for engineering explosion and its preparing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00113148 CN1125800C (en) | 2000-08-30 | 2000-08-30 | Ammonium nitrate explosive for engineering explosion and its preparing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1286239A true CN1286239A (en) | 2001-03-07 |
| CN1125800C CN1125800C (en) | 2003-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00113148 Expired - Fee Related CN1125800C (en) | 2000-08-30 | 2000-08-30 | Ammonium nitrate explosive for engineering explosion and its preparing process |
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| Country | Link |
|---|---|
| CN (1) | CN1125800C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435428A (en) * | 2013-08-30 | 2013-12-11 | 浙江震凯化工有限公司 | Improved type porous granular ammonium nitrate fuel oil explosive and preparing method thereof |
| CN103396279B (en) * | 2013-07-25 | 2016-08-10 | 潍坊龙海民爆有限公司 | A kind of rock type low temperature agglomeration resistance modified ammonium nitrate-fuel oil explosive and preparation method thereof |
| CN107721780A (en) * | 2017-11-17 | 2018-02-23 | 陕西红旗民爆集团股份有限公司 | A kind of Explosion composite powder type explosive density adjuster and preparation method |
-
2000
- 2000-08-30 CN CN 00113148 patent/CN1125800C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396279B (en) * | 2013-07-25 | 2016-08-10 | 潍坊龙海民爆有限公司 | A kind of rock type low temperature agglomeration resistance modified ammonium nitrate-fuel oil explosive and preparation method thereof |
| CN103435428A (en) * | 2013-08-30 | 2013-12-11 | 浙江震凯化工有限公司 | Improved type porous granular ammonium nitrate fuel oil explosive and preparing method thereof |
| CN107721780A (en) * | 2017-11-17 | 2018-02-23 | 陕西红旗民爆集团股份有限公司 | A kind of Explosion composite powder type explosive density adjuster and preparation method |
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| Publication number | Publication date |
|---|---|
| CN1125800C (en) | 2003-10-29 |
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Assignee: Yahua Group Mianyang Industrial Co., Ltd. Assignor: Sichuan Yahua Industrial Group Co., Ltd. Contract fulfillment period: 2009.9.18 to 2015.9.18 Contract record no.: 2009510000085 Denomination of invention: Ammonium nitrate explosive for engineering explosion and its preparing process Granted publication date: 20031029 License type: Exclusive license Record date: 20090927 |
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