CN2302996Y - Apparatus for continuously mixing explosive of bulking nitramine - Google Patents
Apparatus for continuously mixing explosive of bulking nitramine Download PDFInfo
- Publication number
- CN2302996Y CN2302996Y CN 97236298 CN97236298U CN2302996Y CN 2302996 Y CN2302996 Y CN 2302996Y CN 97236298 CN97236298 CN 97236298 CN 97236298 U CN97236298 U CN 97236298U CN 2302996 Y CN2302996 Y CN 2302996Y
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- CN
- China
- Prior art keywords
- feed
- bulking
- mixing
- explosives
- mixer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a device for continuously mixing bulking AN explosives. The device for continuously mixing bulking AN explosives is mainly composed of a feed screw, a three-material mixer, a double-screw mixer, a wood-flour metering screw and a feed oil pump. The feed screw is connected with the three-material mixer through the main shaft arranged horizontally. The utility model realizes the continuous and uniform mixing of the bulking AN explosives and has the advantages of simple device structure, easy operation, stable mixing process, high efficiency, stable product quality and better performance than the products which are manufactured by the discontinue mixing. The device for continuously mixing the bulking AN explosives is suitable for the commercial production to the bulking AN explosives.
Description
The utility model relates to a kind of device of making powder ammonium nitrate explosive, the continuous mixing device of particularly a kind of bulking ammonium nitrate explosive.
Powder ammonium nitrate explosive is the main industrial explosive kinds of many countries always, and the mixing technique of the technology that is adopted for being interrupted uses wheel roller to do to mix medicine equipment usually, and production efficiency is low, unstable product quality, labour intensity is big, working condition is poor.Ammoniumnitrate explosives continuous production mode is sought since the sixties by China, successively adopt various ways such as continuous helical mixing, spray mixing, the mixing of two vertebra mixing tank and air-flow mixing, but all owing to security is not high, water absorbability is serious, reasons such as quantitatively difficult and quality product is relatively poor do not reach stable suitability for industrialized production degree.The purpose of this utility model be to provide a kind of mixed system process continuously, good product quality, stable production process, simple to operate safely, be suitable for stablizing the continuous mixing device of bulking ammonium nitrate explosive of suitability for industrialized production.
The technical scheme that realizes the utility model purpose is: the continuous mixing device of a kind of bulking ammonium nitrate explosive, it is characterized in that: it mainly is made of quantitative feed auger, three material premixed devices, twin-spiral mixer, wood powder metering screw, oil-feed pump, feed auger is connected by horizontally disposed main shaft with three material premixed devices, twin-spiral mixer is arranged at the below of three material premixed device discharge ports, and oil-feed pump and wood powder metering screw are arranged at the top and coupled the leading to of three feed mixers respectively.
Principle of the present utility model is that the ammonium nitrate after expanded enters three material premixed devices through fragmentation by quantitative feed auger, oil fuel sprays in the three material premixed devices and with ammonium nitrate by oil-feed pump and mixes, at this moment, preceding agitator mixes ammonium nitrate and oil fuel and pushes ahead, with the wood powder remix that enters by the wood powder metering screw, under the agitator effect of back, tentatively puddle uniform three kinds of materials and enter in the twin-spiral mixer by discharge port.Because twin-spiral mixer two spiral reverse rotations make material have travelling forward in the rotation on the one hand, also do relative movement simultaneously with reverse rotation; The contract mouth that is provided with on flight makes partial material do reversing motion in subrange.Move toward one another, the combination of relative movement and inverse motion have formed the mixed effect of " turbulence ", stir thereby make between each component fully, in conjunction with and infiltration, finally obtain the mixture that is evenly distributed.
The utility model compared with prior art, its remarkable advantage is: 1, mixing process continuously, evenly, stable, simple to operate, be easy to control; 2, mixing efficiency height, material mean residence time in device is no more than 10 minutes, and throughput can reach 5 tons of/hour covers, is more than four times of prior art; 3, constant product quality, explosive property are better than being interrupted mixing prod.
Accompanying drawing is a kind of structural representation of the continuous mixing device of bulking ammonium nitrate explosive of the present utility model.
Below in conjunction with accompanying drawing the utility model is further described.
In conjunction with the accompanying drawings, the continuous mixing device of bulking ammonium nitrate explosive of the present utility model is by feed auger (1), three feed mixers (2), twin-spiral mixer (3), timber metering screw (4), oil-feed pump (5) constitutes, feed auger is connected by horizontally disposed main shaft (6) with three feed mixers, twin-spiral mixer (3) is positioned at three feed mixer tail end discharge ports below, be connected with three feed mixers, wood powder metering screw (4) is arranged at three feed mixer upper center, in three feed mixers, to supply wood powder, oil-feed pump (5) is arranged at the top of three feed mixer front ends, to give fuel supplying oil in three feed mixers, three feed mixers are by housing (7), preceding agitator (8) and back agitator (9) constitute, and the front and back agitator all is arranged on the main shaft (6).Twin-spiral mixer is made up of the reverse rotation spiral (11,12) that two interlocks are provided with, and its flight is provided with contract mouth (10), to improve the effect of mixing of materials.
Claims (3)
1, the continuous mixing device of a kind of bulking ammonium nitrate explosive, it is characterized in that: it mainly is made of feed auger [1], three feed mixers [2], twin-spiral mixer [3], this powder metering screw [4], oil-feed pump [5], feed auger is connected by horizontally disposed main shaft [6] with three feed mixers, twin-spiral mixer is arranged at the below of three feed mixer discharge ports, and oil-feed pump and wood powder metering screw are arranged at the top and coupled the leading to of three feed mixers respectively.
2, the continuous mixing device of bulking ammonium nitrate explosive according to claim 1, it is characterized in that three feed mixers by housing [7] and be positioned at shell intravital before agitator [8] and the back agitator [9] formation.
3, the continuous mixing device of bulking ammonium nitrate explosive according to claim 1 and 2 is characterized in that the flight of twin-spiral mixer is provided with contract mouth [10].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97236298 CN2302996Y (en) | 1997-06-12 | 1997-06-12 | Apparatus for continuously mixing explosive of bulking nitramine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97236298 CN2302996Y (en) | 1997-06-12 | 1997-06-12 | Apparatus for continuously mixing explosive of bulking nitramine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2302996Y true CN2302996Y (en) | 1999-01-06 |
Family
ID=33947198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97236298 Expired - Fee Related CN2302996Y (en) | 1997-06-12 | 1997-06-12 | Apparatus for continuously mixing explosive of bulking nitramine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2302996Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885651A (en) * | 2010-07-09 | 2010-11-17 | 葛洲坝易普力股份有限公司 | Expanded ammonium nitrate explosive blending device |
| CN109400428A (en) * | 2018-11-26 | 2019-03-01 | 山西江阳兴安民爆器材有限公司 | A kind of new modified porous particulated ammonium oil explosive and its production technology |
-
1997
- 1997-06-12 CN CN 97236298 patent/CN2302996Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885651A (en) * | 2010-07-09 | 2010-11-17 | 葛洲坝易普力股份有限公司 | Expanded ammonium nitrate explosive blending device |
| CN109400428A (en) * | 2018-11-26 | 2019-03-01 | 山西江阳兴安民爆器材有限公司 | A kind of new modified porous particulated ammonium oil explosive and its production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |