CN106554241A - High density bulking ammonium oil explosive-source explosive post production line and production method - Google Patents
High density bulking ammonium oil explosive-source explosive post production line and production method Download PDFInfo
- Publication number
- CN106554241A CN106554241A CN201610627362.2A CN201610627362A CN106554241A CN 106554241 A CN106554241 A CN 106554241A CN 201610627362 A CN201610627362 A CN 201610627362A CN 106554241 A CN106554241 A CN 106554241A
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- China
- Prior art keywords
- oil
- explosive
- ammonium
- oil phase
- ammonium nitrate
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- 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
- C06B31/30—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with vegetable matter; with resin; with rubber
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0008—Compounding the ingredient
Abstract
High density bulking ammonium oil explosive-source explosive post production line, it includes disintegrating machine (1), ammonium nitrate melting tank (2), ammonium nitrate solution water phase storage tank (3), oil phase melting tank (4), oil phase storage tank (5), water oil phase mixing agitator (6), screw pump (7), expanded ammonium oil crystallizer (8), explosive cooling machine (9), wood powder metered charge machine (10), semi-finished product conveying worm (12) and finished product bin (13)；Prepare high density bulking ammonium oil explosive-source explosive post method be：1. ammonium nitrate is dissolved；2. composite oil phase is dissolved；3. ammonium nitrate solution is mixed the expanded ammonium oil matrix of acquisition with the stirring of liquid compound oil；4. expanded ammonium oil matrix is carried out vacuum crystallization；5. crystalline solid and wood powder by weight percentage 97%～95%, 3%～5% are carried out combination cooling；The method have the advantages that：Explosive-source explosive post degree of packing is big, and explosion velocity is high, interior powder charge hygroscopicity is little, and the toxic and harmful amount that explosion is produced is little.
Description
Technical field
The present invention relates to nitrolite manufacture, explosive-source explosive post manufacturing technology field, and in particular to high density bulking ammonium oil explosive-source explosive post production line and production method.
Background technology
At present, expanded ammonium nitrate explosive-source explosive post production line is by being obtained for interior powder charge using expanded ammonium nitrate commercial explosive, ammonium nitrate, swelling agent aqueous solution carry out expanded formation expanded ammonium nitrate, the interior powder charge of bulking ammonium nitrate explosive made by after a certain proportion of composite oil phase, wood powder or blast reducer mix is added, then expanded ammonium nitrate explosive-source explosive post is made by explosive-source explosive post charging machine, sealing machine, stamp.Existing expanded ammonium nitrate explosive-source explosive post Technology, degree of packing are little, and product explosion velocity is not high, interior powder charge anti-moisture absorption property power is weak, and the toxic and harmful amount that explosion is produced is big.
The content of the invention
The purpose of the present invention is aiming at present, expanded ammonium nitrate explosive-source explosive post production line is by being obtained for interior powder charge using expanded ammonium nitrate commercial explosive, ammonium nitrate, swelling agent aqueous solution carry out expanded formation expanded ammonium nitrate, the interior powder charge of bulking ammonium nitrate explosive made by after a certain proportion of composite oil phase, wood powder or blast reducer mix is added, then expanded ammonium nitrate explosive-source explosive post is made by explosive-source explosive post charging machine, sealing machine, stamp.Existing expanded ammonium nitrate explosive-source explosive post Technology, degree of packing are little, and product explosion velocity is not high, interior powder charge anti-moisture absorption property power is weak, the big deficiency of the toxic and harmful amount that explosion is produced, and invention high density bulking ammonium oil explosive-source explosive post production line and production method.
High density bulking ammonium oil explosive-source explosive post production line of the present invention，It includes disintegrating machine、Ammonium nitrate melting tank、Ammonium nitrate solution water phase storage tank、Oil phase melting tank、Oil phase storage tank、Water oil phase mixing agitator、Screw pump、Expanded ammonium oil crystallizer、Explosive cooling machine、Wood powder metered charge machine、Semi-finished product conveying worm and finished product bin，The charging aperture of the discharging opening and ammonium nitrate melting tank of disintegrating machine is communicated，The discharging opening of ammonium nitrate melting tank is communicated with the charging aperture of ammonium nitrate solution water phase storage tank，The discharging opening of oil phase melting tank is communicated with the charging aperture of oil phase storage tank，The discharging opening of ammonium nitrate solution water phase storage tank and oil phase storage tank is communicated with the charging aperture of water oil phase mixing agitator respectively，The discharging opening of water oil phase mixing agitator is communicated with the charging aperture of expanded ammonium oil crystallizer by screw pump，The discharging opening of expanded ammonium oil crystallizer and wood powder metered charge machine is communicated with the charging aperture of explosive cooling machine respectively，The discharging opening of explosive cooling machine is communicated with the charging aperture of finished product bin by semi-finished product conveying worm.
The method that high density bulking ammonium oil explosive-source explosive post is prepared using described high density bulking ammonium oil explosive-source explosive post production line is：
1. ammonium nitrate is dissolved in ammonium nitrate melting tank after crusher in crushing, prepared ammonium nitrate solution is put in ammonium nitrate solution water phase storage tank；
2., after composite oil phase being dissolved in oil phase melting tank, it is put in oil phase storage tank；
3. the ammonium nitrate solution in ammonium nitrate solution water phase storage tank and the liquid compound oil in oil phase storage tank are stirred in water oil phase mixing agitator and mix the expanded ammonium oil matrix of acquisition；
4. expanded ammonium oil matrix is pumped into carrying out vacuum crystallization in expanded ammonium oil crystallizer by screw rod；
5. the wood powder by weight percentage 97%～95%, 3%～5% in the crystalline solid and wood powder metered charge machine in expanded ammonium oil crystallizer is put into and carry out in explosive cooling machine combination cooling；
6. the mixture after cooling down is transported in finished product bin by semi-finished product conveying worm and is transported through, and makes high explosion-speed seismic explosive columns in explosive-source explosive post worker-house, and semi-finished product conveying worm is further mixed when conveying simultaneously.
Water phase filter is provided between the discharging opening of ammonium nitrate solution water phase storage tank and the charging aperture of water oil phase mixing agitator, between the charging aperture of the discharging opening and water oil phase mixing agitator of oil phase storage tank, oil phase filter is provided with.
Pan is provided between the discharging opening and the charging aperture of screw pump of water oil phase mixing agitator.
The method have the advantages that：Explosive-source explosive post degree of packing is big, and explosion velocity is high, interior powder charge hygroscopicity is little, and the toxic and harmful amount that explosion is produced is little.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
As shown in Figure 1，Explosive-source explosive post high density bulking ammonium oil production line of the present invention，Including disintegrating machine 1、Ammonium nitrate melting tank 2、Ammonium nitrate solution water phase storage tank 3、Oil phase melting tank 4、Oil phase storage tank 5、Water oil phase mixing agitator 6、Screw pump 7、Expanded ammonium oil crystallizer 8、Explosive cooling machine 9、Wood powder metered charge machine 10、Semi-finished product conveying worm 12 and finished product bin 13，The charging aperture of the discharging opening and ammonium nitrate melting tank 2 of disintegrating machine 1 is communicated，The discharging opening of ammonium nitrate melting tank 2 is communicated with the charging aperture of ammonium nitrate solution water phase storage tank 3，The discharging opening of oil phase melting tank 4 is communicated with the charging aperture of oil phase storage tank 5，The discharging opening of ammonium nitrate solution water phase storage tank 3 and oil phase storage tank 5 is communicated with the charging aperture of water oil phase mixing agitator 6 respectively，The discharging opening of water oil phase mixing agitator 6 is communicated with the charging aperture of expanded ammonium oil crystallizer 8 by screw pump 7，The discharging opening of expanded ammonium oil crystallizer 8 and wood powder metered charge machine 10 is communicated with the charging aperture of explosive cooling machine 9 respectively，The discharging opening of explosive cooling machine 9 is communicated with the charging aperture of finished product bin 13 by semi-finished product conveying worm 12.
The method that high density bulking ammonium oil explosive-source explosive post is prepared using described high density bulking ammonium oil explosive-source explosive post production line is：
1. dissolve in ammonium nitrate melting tank 2 after ammonium nitrate being crushed by disintegrating machine 1, prepared ammonium nitrate solution is put in ammonium nitrate solution water phase storage tank 3；
2., after composite oil phase being dissolved in oil phase melting tank 4, it is put in oil phase storage tank 5；
3. the ammonium nitrate solution in ammonium nitrate solution water phase storage tank 3 is stirred with the liquid compound oil in oil phase storage tank 5 in water oil phase mixing agitator 6 and mixes the expanded ammonium oil matrix of acquisition；
4. expanded ammonium oil matrix is transported in expanded ammonium oil crystallizer 8 by screw pump 7 carries out vacuum crystallization；
5. the wood powder by weight percentage 97%～95%, 3%～5% in the crystalline solid and wood powder metered charge machine 10 in expanded ammonium oil crystallizer 8 is put in explosive cooling machine 9 carries out combination cooling；
6. the mixture after cooling down is transported in finished product bin 13 by semi-finished product conveying worm 12 and is transported through, and makes high explosion-speed seismic explosive columns in explosive-source explosive post worker-house, and semi-finished product conveying worm 12 is further mixed when conveying simultaneously.
Water phase filter 3-1 is provided between the discharging opening of ammonium nitrate solution water phase storage tank 3 and the charging aperture of water oil phase mixing agitator 6, between the charging aperture of the discharging opening and water oil phase mixing agitator 6 of oil phase storage tank 5, oil phase filter 3-2 is provided with
Pan 6-1 is provided between the charging aperture of the discharging opening and screw pump 7 of water oil phase mixing agitator 6.
Working method and principle：Dissolve in ammonium nitrate melting tank 2 after ammonium nitrate is crushed by disintegrating machine 1, prepared ammonium nitrate solution is put in ammonium nitrate solution water phase storage tank 3, after composite oil phase is dissolved in oil phase melting tank 4, it is put in oil phase storage tank 5, ammonium nitrate solution in ammonium nitrate solution water phase storage tank 3 is stirred in water oil phase mixing agitator 6 with the liquid compound oil in oil phase storage tank 5 and mixes the expanded ammonium oil matrix of acquisition, the discharging opening of water phase storage tank 3 is provided with water phase filter 3-1, the discharging opening of oil phase storage tank 5 is provided with oil phase filter 3-2, impurity is avoided to enter in water oil phase mixing agitator 6.Expanded ammonium oil matrix is transported in expanded ammonium oil crystallizer 8 by screw pump 7 and carries out expanded crystallization，Pan 6-1 avoids entering in expanded ammonium oil crystallizer 8 in impurity in expanded ammonium oil matrix，As liquid compound oil needs to be maintained at 90-100 DEG C，Therefore the expanded ammonium oil matrix temperature for obtaining is higher，Expanded ammonium oil matrix temperature after 8 intercrystalline of expanded crystallizer is higher，Need to enter into and cooled down in explosive cooling machine 9，The wood powder in wood powder metered charge machine 10 is added in explosive cooling machine 9 while cooling and is mixed with expanded ammonium oil crystal，Crystalline solid and wood powder are 97%～95% and 3%～5% by weight percentage，Expanded ammonium oil crystal and wood powder after cooling is transported in finished product bin 13 by semi-finished product conveying worm 12 together，Expanded ammonium oil crystal and wood powder are further mixed during semi-finished product conveying worm 12 is conveyed，Improve the density and stability of expanded ammonium oil，Finished product bin 13 carries out powder charge by being transported to explosive-source explosive post worker-house、Gland、Stamp，Make high density（Explosion velocity）Expanded ammonium oil explosive-source explosive post.
Claims (4)
1. high density bulking ammonium oil explosive-source explosive post production line，It is characterized in that it includes disintegrating machine (1)、Ammonium nitrate melting tank (2)、Ammonium nitrate solution water phase storage tank (3)、Oil phase melting tank (4)、Oil phase storage tank (5)、Water oil phase mixing agitator (6)、Screw pump (7)、Expanded ammonium oil crystallizer (8)、Explosive cooling machine (9)、Wood powder metered charge machine (10)、Semi-finished product conveying worm (12) and finished product bin (13)，The charging aperture of the discharging opening and ammonium nitrate melting tank (2) of disintegrating machine (1) is communicated，The discharging opening of ammonium nitrate melting tank (2) is communicated with the charging aperture of ammonium nitrate solution water phase storage tank (3)，The discharging opening of oil phase melting tank (4) is communicated with the charging aperture of oil phase storage tank (5)，The discharging opening of ammonium nitrate solution water phase storage tank (3) and oil phase storage tank (5) is communicated with the charging aperture of water oil phase mixing agitator (6) respectively，The discharging opening of water oil phase mixing agitator (6) is communicated with the charging aperture of expanded ammonium oil crystallizer (8) by screw pump (7)，The discharging opening of expanded ammonium oil crystallizer (8) and wood powder metered charge machine (10) is communicated with the charging aperture of explosive cooling machine (9) respectively，The discharging opening of explosive cooling machine (9) is communicated with the charging aperture of finished product bin (13) by semi-finished product conveying worm (12).
2. high density bulking ammonium according to claim 1 oil explosive-source explosive post production line, it is characterised in that the method for preparing high density bulking ammonium oil explosive-source explosive post using described high density bulking ammonium oil explosive-source explosive post production line is：
1. dissolve in ammonium nitrate melting tank (2) after ammonium nitrate being crushed by disintegrating machine (1), prepared ammonium nitrate solution is put in ammonium nitrate solution water phase storage tank (3)；
2., after composite oil phase being dissolved in oil phase melting tank (4), it is put in oil phase storage tank (5)；
3. the ammonium nitrate solution in ammonium nitrate solution water phase storage tank (3) and the liquid compound oil in oil phase storage tank (5) are stirred in water oil phase mixing agitator (6) and mix the expanded ammonium oil matrix of acquisition；
4. expanded ammonium oil matrix is transported in expanded ammonium oil crystallizer (8) by screw pump (7) carries out vacuum crystallization；
5. the wood powder by weight percentage 97%～95%, 3%～5% in the crystalline solid and wood powder metered charge machine (10) in expanded ammonium oil crystallizer (8) is put in explosive cooling machine (9) carries out combination cooling；
6. the mixture after cooling down is transported in finished product bin (13) by semi-finished product conveying worm (12) and is transported through, high explosion-speed seismic explosive columns are made in explosive-source explosive post worker-house, semi-finished product conveying worm (12) is further mixed when conveying simultaneously.
3. high density bulking ammonium according to claim 1 oil explosive-source explosive post production line, it is characterized in that water phase filter (3-1) is provided between the discharging opening of ammonium nitrate solution water phase storage tank (3) and the charging aperture of water oil phase mixing agitator (6), between the charging aperture of the discharging opening and water oil phase mixing agitator (6) of oil phase storage tank (5), oil phase filter (3-2) is provided with.
4. high density bulking ammonium according to claim 1 oil explosive-source explosive post production line, it is characterised in that be provided with pan (6-1) between the charging aperture of the discharging opening and screw pump (7) of water oil phase mixing agitator (6).
Priority Applications (1)
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| CN201610627362.2A CN106554241A (en) | 2016-08-03 | 2016-08-03 | High density bulking ammonium oil explosive-source explosive post production line and production method |
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| CN201610627362.2A CN106554241A (en) | 2016-08-03 | 2016-08-03 | High density bulking ammonium oil explosive-source explosive post production line and production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1014071A (en) * | 1962-11-22 | 1965-12-22 | Little Inc A | Explosive compositions |
| CN1220657C (en) * | 2003-05-27 | 2005-09-28 | 长沙矿冶研究院 | Modified powdered ammonium nitrate explosive and its preparing process |
| US20060219338A1 (en) * | 2004-04-07 | 2006-10-05 | Nexco Inc. | Ammonium nitrate crystals, ammonium nitrate blasting agent and method of production |
| RU2304571C1 (en) * | 2005-11-07 | 2007-08-20 | Общество с ограниченной ответственностью "СИБМАШ" | Method of production of the explosive charge |
| CN201106026Y (en) * | 2007-09-24 | 2008-08-27 | 深圳市金奥博科技有限公司 | Continuous production facility for modified ammonium nitrate fuel explosive |
| CN101429081A (en) * | 2008-11-27 | 2009-05-13 | 广东省力拓民爆器材厂 | Process for producing novel puffing nitramon |
| CN201680779U (en) * | 2010-05-23 | 2010-12-22 | 新疆天河化工有限公司 | Seismic charge continuous production device |
| CN201825886U (en) * | 2010-08-03 | 2011-05-11 | 山东天宝化工有限公司 | Continuous expanded ammonium nitrate explosive mixing device |
| CN102424644A (en) * | 2011-09-09 | 2012-04-25 | 福建省民爆化工股份有限公司 | High-quality expanded ammonium nitrate and preparation method thereof |
| CN102603441A (en) * | 2012-03-15 | 2012-07-25 | 谢斌 | Swelling agent for swelling ammonium nitrate explosive |
| CN102795950A (en) * | 2012-07-10 | 2012-11-28 | 贵州巨能化工有限公司 | Composite oil phase for expanded explosive and preparation method of composite oil phase |
| CN103408388A (en) * | 2013-08-26 | 2013-11-27 | 煤炭科学研究总院爆破技术研究所 | Powdery emulsion ammonium nitrate explosive |
| JP2014031284A (en) * | 2012-08-02 | 2014-02-20 | Chugoku Kayaku Kk | Production method of rdx |
| CN205856344U (en) * | 2016-08-03 | 2017-01-04 | 湖北凯龙化工集团股份有限公司 | High density bulking ammonium oil explosive-source explosive post production line |
-
2016
- 2016-08-03 CN CN201610627362.2A patent/CN106554241A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1014071A (en) * | 1962-11-22 | 1965-12-22 | Little Inc A | Explosive compositions |
| CN1220657C (en) * | 2003-05-27 | 2005-09-28 | 长沙矿冶研究院 | Modified powdered ammonium nitrate explosive and its preparing process |
| US20060219338A1 (en) * | 2004-04-07 | 2006-10-05 | Nexco Inc. | Ammonium nitrate crystals, ammonium nitrate blasting agent and method of production |
| RU2304571C1 (en) * | 2005-11-07 | 2007-08-20 | Общество с ограниченной ответственностью "СИБМАШ" | Method of production of the explosive charge |
| CN201106026Y (en) * | 2007-09-24 | 2008-08-27 | 深圳市金奥博科技有限公司 | Continuous production facility for modified ammonium nitrate fuel explosive |
| CN101429081A (en) * | 2008-11-27 | 2009-05-13 | 广东省力拓民爆器材厂 | Process for producing novel puffing nitramon |
| CN201680779U (en) * | 2010-05-23 | 2010-12-22 | 新疆天河化工有限公司 | Seismic charge continuous production device |
| CN201825886U (en) * | 2010-08-03 | 2011-05-11 | 山东天宝化工有限公司 | Continuous expanded ammonium nitrate explosive mixing device |
| CN102424644A (en) * | 2011-09-09 | 2012-04-25 | 福建省民爆化工股份有限公司 | High-quality expanded ammonium nitrate and preparation method thereof |
| CN102603441A (en) * | 2012-03-15 | 2012-07-25 | 谢斌 | Swelling agent for swelling ammonium nitrate explosive |
| CN102795950A (en) * | 2012-07-10 | 2012-11-28 | 贵州巨能化工有限公司 | Composite oil phase for expanded explosive and preparation method of composite oil phase |
| JP2014031284A (en) * | 2012-08-02 | 2014-02-20 | Chugoku Kayaku Kk | Production method of rdx |
| CN103408388A (en) * | 2013-08-26 | 2013-11-27 | 煤炭科学研究总院爆破技术研究所 | Powdery emulsion ammonium nitrate explosive |
| CN205856344U (en) * | 2016-08-03 | 2017-01-04 | 湖北凯龙化工集团股份有限公司 | High density bulking ammonium oil explosive-source explosive post production line |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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