CN102557845A - Expanded ammonium nitrate explosive and preparation process thereof - Google Patents
Expanded ammonium nitrate explosive and preparation process thereof Download PDFInfo
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- CN102557845A CN102557845A CN2010106170101A CN201010617010A CN102557845A CN 102557845 A CN102557845 A CN 102557845A CN 2010106170101 A CN2010106170101 A CN 2010106170101A CN 201010617010 A CN201010617010 A CN 201010617010A CN 102557845 A CN102557845 A CN 102557845A
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Abstract
The invention discloses expanded ammonium nitrate explosive and a preparation process thereof, belonging to the field of industrial explosives. The expanded ammonium nitrate explosive comprises the following materials in parts by weight: 90-94 parts of ammonium nitrate, 3-5 parts of composite oil phase, 3-5 parts of wood powder and 0.1-0.3 parts of composite additive. Compared with the prior art, the expanded ammonium nitrate explosive has the characteristics of high safety and uniform product mixing, and the accuracy of measurement is improved.
Description
Technical field
The present invention relates to the industrial explosive field, specifically a kind of bulking ammonium nitrate explosive and preparation technology thereof.
Background technology
Domestic in recent years explosive enterprise constantly attempts changing old bulking ammonium nitrate explosive preparation technology.The existing automation process of producing bulking ammonium nitrate explosive adopt water, oil phase respectively pumping in an equipment, to be mixed into emulsion expanded in being pumped into Bulking tank again.The shortcoming of this production technique is: production equipment is many; Complex equipments; With pump delivery emulsion to Bulking tank when expanded emulsion be prone to blocking pipe and form dangerous matter sources, seriously influenced explosive safety in process of production, be unfavorable for the modern production of bulking ammonium nitrate explosive.Simultaneously, above-mentioned technology also exists shortcomings such as medicinal powder nature tap density is less, and free-running property is poor, and the bulk strength of explosive is less relatively.
Summary of the invention
Technical assignment of the present invention provides a kind of bulking ammonium nitrate explosive and preparation technology thereof.
Technical assignment of the present invention realizes that by following mode this bulking ammonium nitrate explosive raw material is made up of an ammonium nitrate, oil phase, wood powder and composite additive, and the weight part proportioning of each raw material is following:
90～94 parts in an ammonium nitrate, 3～5 parts of compound oil phases, 3～5 parts of wood powders, 0.1～0.3 part of composite additive;
Wherein the raw material of compound oil phase is made up of ceresine and soft wax, and the weight part proportioning of compound each raw material of oil phase is following: ceresine is 50～100, soft wax is 0～50;
The raw material of composite additive is made up of primary octadecylamine acetate, stearate, diffusant and properties-correcting agent;
The weight part proportioning of each raw material of composite additive is following:
60～70 parts of primary octadecylamine acetate, 15～25 parts of stearate, 10～20 parts of diffusants, 6～12 parts of properties-correcting agent;
Step of preparation process is following:
In the aqueous phase dissolved jar, add a certain amount of water, add an amount of an ammonium nitrate after being warming up to 50 ℃, make that the mass ratio of an ammonium nitrate and water is 10: 1, dissolving afterwards temperature is controlled at 90～95 ℃, and is subsequent use; By proportioning composite additive and compound oil phase are poured in the oil phase jar then and melted, temperature is controlled at 100～120 ℃; Compound oil phase and composite additive in being pumped into the aqueous phase dissolved jar, are mixed into emulsion, and temperature is controlled at 110～120 ℃; Utilize negative pressure that emulsion is sucked again and carry out expanded 8～12min in the Bulking tank, expanded vacuum tightness :-0.08～-0.096Mpa, in the puffing process moisture is siphoned away; Work in-process after expanded and an amount of wood powder are mixed in the entering premixed device after quantitatively spiral measures; Premix mixes medicine after conveyor screw gets in the grinding and mixing machine of bedroom; Then through carrying inclined screw and revolving spiral to get in the suspension feed bin; Send into medicine of a cold nature machine afterwards again and be cooled to 35～42 ℃, the powder charge warehouse-in gets final product.
Described diffusant is a methylene-bis bitter edible plant sodium sulfonate.
Described properties-correcting agent octadecane amine phosphate.
Described octadecane amine phosphate is octadecane amine calcium phosphate or octadecane amine trimagnesium phosphate.
Described primary octadecylamine acetate is primary octadecylamine sodium-acetate or primary octadecylamine zinc acetate.
Described stearate is Zinic stearas or calcium stearate.
Bulking ammonium nitrate explosive of the present invention is compared with prior art, has following characteristics:
1) the essential safety degree is high: compounded oil is added in the aqueous ammonium nitrate solution; Compound oil phase and an ammonium nitrate combine firm through composite additive; Add compounded oil mutual-assistance expanded ammonium nitrate prevented from caking simultaneously; Reduce the dust in the production worker-house, reduce rubbing of mechanical stirring wing and expanded ammonium oil and examine, clash into number of times, improved product essential safety degree in process of production;
2) mix: mix promptly " solid liquid～" with compound oil phase by original expanded ammonium nitrate and mix, ready-made be " liquid～liquid " mixing, makes material ability thorough mixing even;
3) product performance, quality improve greatly, have improved the accuracy of metering, can effectively reach the requirement of scientific formula in the actual production process.
Embodiment
Embodiment 1:
Get ceresine 50kg and soft wax 10kg mix the preparation compound oil phase subsequent use;
Getting primary octadecylamine sodium-acetate 60kg, Zinic stearas 15kg, methylene-bis bitter edible plant sodium sulfonate 10kg, octadecane amine calcium phosphate 6kg, to mix the preparation composite additive subsequent use;
In the aqueous phase dissolved jar, add 9kg water, add 90kg an ammonium nitrate after being warming up to 50 ℃, dissolving back temperature is controlled at 90 ℃, and is subsequent use;
Get the compound oil phase of 0.1kg composite additive and 3kg then and pour in the oil phase jar and melt, temperature is controlled at 100 ℃; The mixture of compound oil phase and composite additive in being pumped into the aqueous phase dissolved jar, is mixed into emulsion, and temperature is controlled at 110 ℃; Utilize negative pressure that emulsion is sucked again and carry out expanded 8min in the Bulking tank, expanded vacuum tightness :-0.08～-0.096Mpa, in the puffing process moisture is siphoned away; Work in-process after expanded and 3kg wood powder are mixed in the entering premixed device after quantitatively spiral measures; Premix mixes medicine after conveyor screw gets in the grinding and mixing machine of bedroom; Then through carrying inclined screw and revolving spiral to get in the suspension feed bin; Send into medicine of a cold nature machine afterwards again and be cooled to 35 ℃, the powder charge warehouse-in gets final product.
Embodiment 2:
Get ceresine 100kg and soft wax 50kg mix the preparation compound oil phase subsequent use;
Getting primary octadecylamine zinc acetate 70kg, calcium stearate 25kg, methylene-bis bitter edible plant sodium sulfonate 20kg, octadecane amine trimagnesium phosphate 12kg, to mix the preparation composite additive subsequent use;
In the aqueous phase dissolved jar, add 9.4kg water, add 94kg an ammonium nitrate after being warming up to 50 ℃, dissolving back temperature is controlled at 95 ℃, and is subsequent use;
Get the compound oil phase of 0.3kg composite additive and 5kg then and pour in the oil phase jar and melt, temperature is controlled at 120 ℃; The mixture of compound oil phase and composite additive in being pumped into the aqueous phase dissolved jar, is mixed into emulsion, and temperature is controlled at 120 ℃; Utilize negative pressure that emulsion is sucked again and carry out expanded 12min in the Bulking tank, expanded vacuum tightness :-0.08～-0.096Mpa, in the puffing process moisture is siphoned away; Work in-process after expanded and 5kg wood powder are mixed in the entering premixed device after quantitatively spiral measures; Premix mixes medicine after conveyor screw gets in the grinding and mixing machine of bedroom; Then through carrying inclined screw and revolving spiral to get in the suspension feed bin; Send into medicine of a cold nature machine afterwards again and be cooled to 42 ℃, the powder charge warehouse-in gets final product.
Embodiment 3:
Get ceresine 80kg and soft wax 30kg mix the preparation compound oil phase subsequent use;
Getting primary octadecylamine zinc acetate 65kg, Zinic stearas 20kg, methylene-bis bitter edible plant sodium sulfonate 15kg, octadecane amine trimagnesium phosphate 9kg, to mix the preparation composite additive subsequent use;
In the aqueous phase dissolved jar, add 9.2kg water, add 92kg an ammonium nitrate after being warming up to 50 ℃, dissolving back temperature is controlled at 93 ℃, and is subsequent use;
Get the compound oil phase of 0.2kg composite additive and 4kg then and pour in the oil phase jar and melt, temperature is controlled at 110 ℃; The mixture of compound oil phase and composite additive in being pumped into the aqueous phase dissolved jar, is mixed into emulsion, and temperature is controlled at 115 ℃; Utilize negative pressure that emulsion is sucked again and carry out expanded 10min in the Bulking tank, expanded vacuum tightness :-0.08～-0.096Mpa, in the puffing process moisture is siphoned away; Work in-process after expanded and 3kg wood powder are mixed in the entering premixed device after quantitatively spiral measures; Premix mixes medicine after conveyor screw gets in the grinding and mixing machine of bedroom; Then through carrying inclined screw and revolving spiral to get in the suspension feed bin; Send into medicine of a cold nature machine afterwards again and be cooled to 40 ℃, the powder charge warehouse-in gets final product.
Claims (7)
1. bulking ammonium nitrate explosive is characterized in that raw material is made up of an ammonium nitrate, oil phase, wood powder and composite additive, and the weight part proportioning of each raw material is following:
90～94 parts in an ammonium nitrate, 3～5 parts of compound oil phases, 3～5 parts of wood powders, 0.1～0.3 part of composite additive;
Wherein the raw material of compound oil phase is made up of ceresine and soft wax, and the weight part proportioning of compound each raw material of oil phase is following: ceresine is 50～100, soft wax is 0～50;
The raw material of composite additive is made up of primary octadecylamine acetate, stearate, diffusant and properties-correcting agent;
The weight part proportioning of each raw material of composite additive is following:
60～70 parts of primary octadecylamine acetate, 15～25 parts of stearate, 10～20 parts of diffusants, 6～12 parts of properties-correcting agent;
Step of preparation process is following:
In the aqueous phase dissolved jar, add a certain amount of water, add an amount of an ammonium nitrate after being warming up to 50 ℃, make that the mass ratio of an ammonium nitrate and water is 10: 1, dissolving afterwards temperature is controlled at 90～95 ℃, and is subsequent use; By proportioning composite additive and compound oil phase are poured in the oil phase jar then and melted, temperature is controlled at 100～120 ℃; Compound oil phase and composite additive in being pumped into the aqueous phase dissolved jar, are mixed into emulsion, and temperature is controlled at 110～120 ℃; Utilize negative pressure that emulsion is sucked again and carry out expanded 8～12min in the Bulking tank, expanded vacuum tightness :-0.08～-0.096Mpa, in the puffing process moisture is siphoned away; Work in-process after expanded and an amount of wood powder are mixed in the entering premixed device after quantitatively spiral measures; Premix mixes medicine after conveyor screw gets in the grinding and mixing machine of bedroom; Then through carrying inclined screw and revolving spiral to get in the suspension feed bin; Send into medicine of a cold nature machine afterwards again and be cooled to 35～42 ℃, the powder charge warehouse-in gets final product.
2. a kind of bulking ammonium nitrate explosive according to claim 1 is characterized in that described diffusant is a methylene-bis bitter edible plant sodium sulfonate.
3. a kind of bulking ammonium nitrate explosive according to claim 1 is characterized in that described properties-correcting agent octadecane amine phosphate.
4. a kind of bulking ammonium nitrate explosive according to claim 3 is characterized in that described octadecane amine phosphate is octadecane amine calcium phosphate or octadecane amine trimagnesium phosphate.
5. a kind of bulking ammonium nitrate explosive according to claim 1 is characterized in that described primary octadecylamine acetate is primary octadecylamine sodium-acetate or primary octadecylamine zinc acetate.
6. a kind of bulking ammonium nitrate explosive according to claim 1 is characterized in that described stearate is Zinic stearas or calcium stearate.
7. the preparation technology of a bulking ammonium nitrate explosive; It is characterized in that process step is following: in the aqueous phase dissolved jar, add a certain amount of water, add an amount of an ammonium nitrate after being warming up to 50 ℃, make that the mass ratio of an ammonium nitrate and water is 10: 1; Dissolving back temperature is controlled at 90～95 ℃, and is subsequent use; By proportioning composite additive and compound oil phase are poured in the oil phase jar then and melted, temperature is controlled at 100～120 ℃; Compound oil phase and composite additive in being pumped into the aqueous phase dissolved jar, are mixed into emulsion, and temperature is controlled at 110～120 ℃; Utilize negative pressure that emulsion is sucked again and carry out expanded 8～12min in the Bulking tank, expanded vacuum tightness :-0.08～-0.096Mpa, in the puffing process moisture is siphoned away; Work in-process after expanded and an amount of wood powder are mixed in the entering premixed device after quantitatively spiral measures; Premix mixes medicine after conveyor screw gets in the grinding and mixing machine of bedroom; Then through carrying inclined screw and revolving spiral to get in the suspension feed bin; Send into medicine of a cold nature machine afterwards again and be cooled to 35～42 ℃, the powder charge warehouse-in gets final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106170101A CN102557845A (en) | 2010-12-31 | 2010-12-31 | Expanded ammonium nitrate explosive and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106170101A CN102557845A (en) | 2010-12-31 | 2010-12-31 | Expanded ammonium nitrate explosive and preparation process thereof |
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| CN102557845A true CN102557845A (en) | 2012-07-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058800A (en) * | 2012-12-27 | 2013-04-24 | 西安天力金属复合材料有限公司 | Explosive cladding explosive 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 |
| CN105820019A (en) * | 2016-03-18 | 2016-08-03 | 中煤科工集团淮北爆破技术研究院有限公司 | Modified ammonium nitrate-fuel oil explosive |
| CN105859493A (en) * | 2016-04-01 | 2016-08-17 | 河南久联神威民爆器材有限公司 | Low-density rock expanded AN explosive and preparation method thereof |
| CN110698310A (en) * | 2019-10-21 | 2020-01-17 | 贵州盘江民爆有限公司 | Production method of expanded ammonium nitrate explosive |
| CN114478144A (en) * | 2022-01-21 | 2022-05-13 | 陕西北方民爆集团有限公司 | Viscous powdery emulsion explosive for top hole and preparation method thereof |
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| CN1067043A (en) * | 1991-05-17 | 1992-12-16 | 华东工学院 | Powder ammonium nitrate explosive and preparation method thereof |
| CN1280973A (en) * | 2000-06-29 | 2001-01-24 | 蔡剑斌 | Low-density snow-like ammonium nitrate and its preparing process |
| CN1327948A (en) * | 2000-06-08 | 2001-12-26 | 南京理工大学 | Puffing agent of ammonium nitrate |
| CN1373110A (en) * | 2002-04-08 | 2002-10-09 | 殷海权 | Process for preparing loose ammonium nitrate crystals using anti-hardening agent |
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2010
- 2010-12-31 CN CN2010106170101A patent/CN102557845A/en active Pending
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 |
| CN1327948A (en) * | 2000-06-08 | 2001-12-26 | 南京理工大学 | Puffing agent of ammonium nitrate |
| CN1280973A (en) * | 2000-06-29 | 2001-01-24 | 蔡剑斌 | Low-density snow-like ammonium nitrate and its preparing process |
| CN1373110A (en) * | 2002-04-08 | 2002-10-09 | 殷海权 | Process for preparing loose ammonium nitrate crystals using anti-hardening agent |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058800A (en) * | 2012-12-27 | 2013-04-24 | 西安天力金属复合材料有限公司 | Explosive cladding explosive and preparation method and applications thereof |
| CN103058800B (en) * | 2012-12-27 | 2014-10-22 | 西安天力金属复合材料有限公司 | Explosive cladding explosive 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 |
| CN105820019A (en) * | 2016-03-18 | 2016-08-03 | 中煤科工集团淮北爆破技术研究院有限公司 | Modified ammonium nitrate-fuel oil explosive |
| CN105859493A (en) * | 2016-04-01 | 2016-08-17 | 河南久联神威民爆器材有限公司 | Low-density rock expanded AN explosive and preparation method thereof |
| CN105859493B (en) * | 2016-04-01 | 2018-12-11 | 河南久联神威民爆器材有限公司 | A kind of low-density rock expanded ammonium nitrate explosive and preparation method |
| CN110698310A (en) * | 2019-10-21 | 2020-01-17 | 贵州盘江民爆有限公司 | Production method of expanded ammonium nitrate explosive |
| CN114478144A (en) * | 2022-01-21 | 2022-05-13 | 陕西北方民爆集团有限公司 | Viscous powdery emulsion explosive for top hole and preparation method thereof |
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Application publication date: 20120711 |