CN203018141U - Preparation device of superfine CL-20 - Google Patents
Preparation device of superfine CL-20 Download PDFInfo
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- CN203018141U CN203018141U CN 201220673118 CN201220673118U CN203018141U CN 203018141 U CN203018141 U CN 203018141U CN 201220673118 CN201220673118 CN 201220673118 CN 201220673118 U CN201220673118 U CN 201220673118U CN 203018141 U CN203018141 U CN 203018141U
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- grinding chamber
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- agitator
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Abstract
The utility model provides a preparation device of superfine CL-20. The preparation device comprises a grinder host, a mixer which is connected with the grinder host and a material pump, wherein the grinder host comprises a grinding cavity with mixing, a grinding cavity upper cover and a grinding ball, the grinding cavity upper cover is fastened above the grinding cavity and is provided with a sealing, a feeding hole is formed in the grinding cavity upper cover, a discharge hole is formed in the bottom of the grinding cavity, and the grinding ball is arranged in the grinding cavity; and a stirrer is arranged in the mixer, a discharge hole and a circulating feeding hole are formed in the mixer, the discharge hole of the mixer is connected with the circulating feeding hole of the grinder host through a pipeline, the discharge hole of the grinding cavity is connected with the circulating feeding hole of the mixer through the pipeline, a discharge valve is arranged on the pipeline close to the grinding cavity, and the material pump is arranged behind the discharge valve. With the adoption of the preparation device, the problems of the existing energetic material refining process of complex process, low yield, severe pollution and the like are solved; and the preparation device has the advantages of simple operation, high safety and high production efficiency and can be widely applied to refining various energetic materials.
Description
Technical field
The utility model relates to a kind of thinning apparatus of energetic material, says further, relates to the device of a kind of ultra-fine CL-20 of preparation of rapid batch.
Background technology
Day by day fierce along with the development of science and technology and weapon antagonism, the refinement technology of explosive is in the ascendant both at home and abroad.Because ultra-fine explosive has following advantage: the detonation course is near the ideal detonation rule, potential interior can the developing of blast; Good heat conductivity is easily carried out the heat conduction, makes the blast focus be difficult for emerging; Be easy to carry out grain composition with large particle diameter explosive, dispersive property is good, promotes degree of packing better and more even; When being hit load, impulsive force evenly spreads in whole powder column very soon, reduces impact sensitivity.Therefore, ultra-fine explosive will play important effect in actual applications.
CL-20(hexanitro azepine different 5 is alkane hereby) be a kind of high energy density compound, density ratio HMX (HMX) is high by 8%, and explosion velocity is high by 6%, and energy density is high more than 15%.Cl-20 is energy density and the highest simple substance ammonal of explosion velocity so far, in the weaponry in future, good application prospect is arranged.Ultra-fine CL-20, especially submicron order, nanoscale CL-20, except the excellent properties that keeps plain particles CL-20 high-energy-density, also has shock sensitivity and impact sensitivity is lower, safer characteristic, this to the range of application of widening CL-20, improve armament systems performance significant.
At present, ultra-fine CL-20 preparation method mainly contains the chemical methodes such as solvent-nonsolvent recrystallization method, supercritical fluid recrystallization method, micro emulsion method.These methods in various degree exist complex process, cost is high, yields poorly, the organic liquid waste discharge capacity is large, the shortcomings such as poor stability have limited it and have produced and use on a large scale in weapon.
Abroad also have and adopt hand grinding method to obtain the tiny CL-20 of granularity in the laboratory.As May L Chan(May L Chan.New Ingredients for non-polluting propellants[J], CA93555-6001USA) HNIW is dispersed in the abrading glass vessel that distilled water and alcohol mixeding liquid body are housed and ground 14 ~ 16 hours, obtained granularity at the HNIW of 3 μ m left and right.But the problems such as danger that this method exists milling time to grow, yield poorly, size distribution is inhomogeneous, waste liquid amount is large and hand lapping exists.
Domestic also do not have a kind of ultra-fine CL-20 of preparation that is used for specially rapid batch so far, and device simple to operate, safe.
The utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of device that rapid batch prepares ultra-fine CL-20 that is specifically designed to.Adopt this device can realize the batch production of ultra-fine CL-20, and the production process safety non-pollution, overcome in existing ultra-fine CL-20 preparation yield poorly, dangerous high defective.
The preparation facilities of a kind of ultra-fine CL-20 of the present utility model comprises the ball mill main frame, also includes the blender and the product pump that are connected with the ball mill main frame.
The high Energy Density Materials that belongs to high mechanical sensitivity due to CL-20, mechanical shock and shock are easily caused danger.Therefore, aspect the equipment design and selection, adopt take friction force as main mechanical mill refinement grinding mode.The above ball mill main frame comprises with the grinding chamber, grinding chamber upper cover, the mill ball that stir; Grinding chamber is the uncovered cavity structure in top, and the grinding chamber upper cover is anchored on grinding chamber top, and to cover its top uncovered, and sealing is set in case material spills, and is covered with charging aperture on grinding chamber, and the grinding chamber bottom is provided with discharging opening, and mill ball is placed in grinding chamber;
In order to reduce to greatest extent hazards, adopt wet grinding to pulverize when the ultra-fine CL-20 of preparation, namely adopting lapping liquid is abrasive media, and lapping liquid and CL-20 are uniformly mixed into the CL-20 slurry in blender, and this slurry is ground in the grinding chamber of ball mill main frame; Make thus grind middle because of fricative heat and energy by liquid transfer and consuming, thereby realize safety in production.Simultaneously, in order to realize the ultra-fine grinding of material, increase the holdup time of slurry in grinding chamber of CL-20 and lapping liquid configuration, the grinding chamber of blender with the ball mill main frame is connected with product pump by pipeline, slurry is circulated between blender and grinding chamber within a certain period of time, realize that grinding is pulverized in the circulation of material.
Be provided with stirring in described blender, be provided with discharging opening and recycle feed mouth on blender, the charging aperture stylet that covers on the grinding chamber of blender discharging opening and ball mill main frame is connected, the discharging opening of described grinding chamber is connected with the recycle feed mouth pipeline of blender, position near grinding chamber on this pipeline is provided with bleeder valve, is provided with product pump on pipeline afterwards.
More specifically:
Described grinding chamber upper cover is fixed in above grinding chamber by spring clamp.Sealing between grinding chamber upper cover and grinding chamber uncovered can be adopted various hermetically-sealed construction of the prior art, preferably is provided with rubber ring and seals.
The stirring of described grinding chamber comprises agitator, shaft and motor; Agitator is positioned among grinding chamber, and is coaxial with grinding chamber, and the bottom in agitator bottom and grinding chamber leaves the gap, and this gap is preferably 5 ~ 10mm; The centre bore that shaft passes the grinding chamber upper cover connects agitator and motor.Agitator can adopt various agitators in prior art, in order to increase shearing force, more preferably is provided with the radially agitator of stirring rod of multilayer, many.
In order to reduce the heat that produces because of mechanism in process of lapping, avoid excess Temperature on the impact of material, the grinding chamber skin is provided with cooling water jecket.The skin of described grinding chamber preferably is provided with cooling water jecket, is provided with cooling water inlet and outlet on chuck.
Because CL-20 can discharge number acid when grinding refinement, therefore, grind the material of cavity and mill ball except having very strong rigidity and wear-resisting effect, also must bear stronger acid corrosion-resistant ability, can not bring extra pollution impurity to product.Therefore, device and material contact portion select purity 99.9% or above zirconium oxide abrasive ball such as grinding chamber etc. all preferably adopts the stainless steel material of wear resistant corrosion resistant, mill ball.Zirconia high abrasion, the acidproof material that is well suited for as mill ball in the utility model equipment.
The sphericity of mill ball is larger, and mill ball more is near the mark spherical, and sphericity is larger, when equipment grinds security higher, the granular size of the products C L-20 that obtains is got over homogeneous, size distribution is narrower.The mill ball diameter is less, and under similarity condition, the granularity of products C L-20 is less; The mill ball diameter is larger, and under similarity condition, the granularity of products C L-20 is larger.In order to improve the security of process of lapping, increase the homogeneity of products C L-20 granularity, reduce the particle size span of products C L-20, described mill ball sphericity is preferred more than 0.99; Its diameter range can require to decide according to the CL-20 product granularity, is preferably 3 ~ 10mm.
Described blender is open-top receptacle or container with cover; If open-top receptacle, the pipeline outlet that comes from the grinding chamber discharging opening of described ball mill main frame directly inserts the blender top as the recycle feed mouth; If blender is lidded container, it covers and is provided with the recycle feed mouth, is connected with pipeline from the grinding chamber discharging opening; The stirring of blender comprises agitator, shaft and motor; Agitator is arranged in blender, and agitator is connected with motor by shaft.
In the above discharge valve and pipeline, the conventional valve of using all is preferably ball valve; Motor used all is preferably fire-proof motor.
Described ball mill main frame is connected with remote controllers by power line and holding wire, and remote controllers comprise digital display screen, variable-frequency governor, timer, motor switch, realizes the Long-distance Control to the device running operation.The safety of completing the automation of production and ensureing to greatest extent operating personnel.
The preparation facilities of ultra-fine CL-20 of the present utility model, its advantage and good effect are as follows:
1, improved output and the efficient for preparing ultra-fine CL-20, this device prepares ultra-fine CL-20 output at 0.3 ~ 0.5 kilogram/batch, every batch of used time 1 ~ 2h, and this output and efficient are far above solvent-nonsolvent method and other method of routine.
2, this device can be realized far distance controlled and adjusting, has thoroughly avoided the potential threat that in the thinning process, hazards are brought operating personnel.
4, the granularity of product is more easily controlled: the granularity of product can realize according to the proportioning of milling time and mill ball, can arbitrarily regulate.Extend milling time, can effectively improve the fineness of product, obtain the thinner product of granularity.
5, this device convenient disassembly, needn't adopt metal tools, only needs simple hand operation to get final product.Avoided on the one hand the high danger that exists of dangerous material sensitivity in the metal tools use procedure, also make on the other hand operating personnel fast, easily dismounting, clean easily and thoroughly, avoided the residual of dangerous material in the device dead angle.
Description of drawings
Fig. 1 is ultra-fine CL-20 preparation facilities structural representation of the present utility model.
Fig. 2 is ball mill main machine structure schematic diagram in preparation facilities of the present utility model.
In Fig. 1: 1-blender stirring motor; 2-blender shaft; The 3-blender; The 4-discharge valve; 5-product pump; 6-ball mill main frame.
In Fig. 2: 6-1-grinding chamber stirring motor; 6-2-grinding chamber shaft; 6-3-grinding chamber upper cover; 6-4-grinding chamber charging aperture; 6-5-mill ball; 6-6-grinding chamber; 6-7-coolant outlet; 6-8-cooling water inlet; 6-9-grinding chamber discharging opening; 7-remote controllers; 7-1-digital display screen; 7-2-variable-frequency governor; 7-3-timer; 7-4-motor switch.
The specific embodiment:
Below in conjunction with embodiment, further illustrate the utility model.
As shown in Figure 1, the preparation facilities of ultra-fine CL-20 of the present utility model comprises ball mill main frame 6, the blender 3 and the product pump 5 that are connected with ball mill main frame 6 pipelines.
As shown in Figure 2, ball mill main frame 6 comprises with the grinding chamber 6-6, grinding chamber upper cover 6-3, the mill ball 6-5 that stir; Grinding chamber 6-6 is the uncovered cavity structure in top, grinding chamber upper cover 6-3 utilize spring clamp to be fixed in grinding chamber 6-6 top to cover its top uncovered, grinding chamber upper cover 6-3 and grinding chamber 6-6 top cover and rubber ring are set between uncovered above it and seal; Grinding chamber upper cover 6-3 is provided with grinding chamber charging aperture 6-4, and grinding chamber 6-6 bottom is provided with grinding chamber discharging opening 6-9, and mill ball 6-5 is placed in grinding chamber 6-6.
The stirring of described grinding chamber comprises agitator, grinding chamber shaft 6-2 and grinding chamber stirring motor 6-1; Agitator is positioned among grinding chamber 6-6, and is coaxial with grinding chamber, and the 7mm gap is left in the bottom in agitator bottom and grinding chamber 6-6; Be provided with radially stirring rod of multilayer, many on agitator.The centre bore that grinding chamber shaft 6-2 passes grinding chamber upper cover 6-3 connects agitator and grinding chamber stirring motor 6-1; The skin of described grinding chamber 6-6 is provided with cooling water jecket, is provided with cooling water inlet 6-8 and coolant outlet 6-7 on chuck;
The stainless steel of described grinding chamber material selection wear resistant corrosion resistant; Described mill ball material selection purity is greater than 99.9% zirconia.The mill ball particle size range is at 3 ~ 10mm, and sphericity is 0.99.
As shown in Figure 1, be provided with stirring in described blender 3, be provided with discharging opening and recycle feed mouth on blender 3, grinding chamber charging aperture 6-4 stylet on the grinding chamber upper cover 6-3 of blender 3 discharging openings and ball mill main frame 6 is connected, described grinding chamber discharging opening 6-9 is connected with the recycle feed mouth pipeline of blender 3, position near grinding chamber 6-6 on this pipeline is provided with bleeder valve 4, is provided with afterwards product pump 5 on pipeline.
Described blender 3 is open-top receptacle, and the pipeline outlet that comes from the grinding chamber discharging opening 6-4 of described ball mill main frame 6 directly inserts blender 3 tops as the recycle feed mouth of blender 3; The stirring of blender 3 comprises agitator, blender shaft 2 and blender stirring motor 1; Agitator is arranged in blender 3, and agitator stirs shaft 2 by blender and is connected with blender stirring motor 1.
Described discharge valve 4 is ball valve; Motor used is fire-proof motor; Be stainless steel with the material contact portion in device.
As shown in Figure 2, ball mill main frame 6 is connected with remote controllers 7, and remote controllers 7 comprise digital display screen 7-1, variable-frequency governor 7-2, timer 7-3, motor switch 7-4, realizes the Long-distance Control to the device running operation.
When producing ultra-fine CL-20 product with ultra-fine CL-20 preparation facilities of the present utility model, at first appropriate mill ball is joined in the grinding chamber of ball mill main frame, afterwards raw material CL-20 and lapping liquid fully are mixed to get the CL-20 slurry in blender; The CL-20 slurry that mixes is input to circulate in grinding chamber to pulverize by pipeline and product pump grinds, crushing process carries out in the grinding liquid medium, pulverizing through the circulation of certain hour the CL-20 slurry that grinds discharges through discharge valve, through vacuum filtration, drying, finally obtain ultra-fine CL-20 product.
Its principle is exactly by the ultra-fine CL-20 of the preparation of mechanical lapping rapid batch.This equipment is to rely on mechanical agitator drive mill ball motion in grinding chamber, utilizes the extruding force and the shearing force that reach between mill ball between mill ball and mill chamber inwall that the CL-20 pulverizing is ground.The CL-20 slurry enters grinding chamber from the charge door at grinding chamber top, then be subject to the grinding of mill ball and shear force in each cross section of grinding chamber and pulverized, the CL-20 slurry of suspension is by filling the grinding chamber of mill ball, discharging opening bottom grinding chamber is discharged to blender, slurry is re-entered grinding chamber through the pipeline between blender and grinding chamber and product pump and circulates to pulverize and grind afterwards, this process has increased the holdup time of slurry in grinding chamber, can obtain more preferably ultra-fine CL-20 powder.Because its course of work is wet pulverizing, pulverize process of lapping and carry out in the grinding liquid medium, make the heat that produces in friction process transmit fast and consume, prevented the process of lapping heating, guaranteed process of lapping safety.
Claims (9)
1. the preparation facilities of a ultra-fine CL-20, comprise the ball mill main frame, it is characterized in that:
Be provided with the blender and the product pump that are connected with the ball mill main frame;
Described ball mill main frame comprises with the grinding chamber, grinding chamber upper cover, the mill ball that stir; Grinding chamber is the uncovered cavity structure in top, and the grinding chamber upper cover is anchored on grinding chamber top, and to cover its top uncovered and sealing is set, and is covered with charging aperture on grinding chamber, and the grinding chamber bottom is provided with discharging opening, and mill ball is placed in grinding chamber;
Be provided with stirring in described blender, be provided with discharging opening and recycle feed mouth on blender, the feeding hole pipeline that covers on the grinding chamber of blender discharging opening and ball mill main frame is connected, the discharging opening of described grinding chamber is connected with the recycle feed mouth pipeline of blender, position near grinding chamber on this pipeline is provided with bleeder valve, is provided with product pump on pipeline afterwards.
2. preparation facilities according to claim 1 is characterized in that:
The stirring of described grinding chamber comprises agitator, shaft and motor; Described agitator is positioned among grinding chamber, and is coaxial with grinding chamber, and the gap is left in the bottom in agitator bottom and grinding chamber; The centre bore that shaft passes the grinding chamber upper cover connects agitator and motor.
3. preparation facilities according to claim 2 is characterized in that:
The gap of the bottom in agitator bottom and grinding chamber is 5 ~ 10mm.
4. preparation facilities according to claim 1 is characterized in that:
The skin of described grinding chamber is provided with cooling water jecket, is provided with cooling water inlet and outlet on chuck.
5. preparation facilities according to claim 1 is characterized in that:
Described grinding chamber upper cover is fixed in above grinding chamber by spring clamp; Being provided with rubber ring between grinding chamber upper cover and grinding chamber uncovered straight seals.
6. preparation facilities described according to claims 1 is characterized in that:
Described mill ball sphericity is more than 0.99; Its diameter range is 3 ~ 10mm.
7. preparation facilities described according to claims 1 is characterized in that:
Described blender is open-top receptacle or container with cover; If open-top receptacle, the pipeline outlet that comes from the grinding chamber discharging opening of described ball mill main frame directly inserts the blender top as the recycle feed mouth; If blender is lidded container, it covers and is provided with the recycle feed mouth, is connected with pipeline from the grinding chamber discharging opening; The stirring of blender comprises agitator, shaft and motor; Agitator is arranged in blender, and agitator is connected with motor by shaft.
8. preparation facilities described according to claims 1 is characterized in that:
The stirring of the grinding chamber of described ball mill main frame comprises agitator, shaft and motor; Agitator is positioned among grinding chamber, and is coaxial with grinding chamber, and the gap of 5 ~ 10mm is left in the bottom in agitator bottom and grinding chamber; The centre bore that shaft passes the grinding chamber upper cover connects agitator and motor; The skin of described grinding chamber is provided with cooling water jecket, is provided with cooling water inlet and outlet on chuck; Described grinding chamber upper cover is fixed in above grinding chamber by spring clamp, and the uncovered rubber ring that directly is provided with of grinding chamber upper cover and grinding chamber seals;
Described blender is open-top receptacle or container with cover; If open-top receptacle, the pipeline outlet that comes from the grinding chamber discharging opening of described ball mill main frame directly inserts the blender top; If blender is lidded container, it covers and is provided with the recycle feed mouth, is connected with pipeline from the grinding chamber discharging opening; The stirring of blender comprises agitator, shaft and motor; Agitator is arranged in blender, and agitator is connected with motor by shaft;
Described mill ball sphericity is more than 0.99; Its diameter range is 3 ~ 10mm;
Described discharge valve is ball valve; Motor used is fire-proof motor; Be stainless steel with the material contact portion in device.
9. preparation facilities described according to one of claims 1 ~ 8 is characterized in that:
Described ball mill main frame is connected with remote controllers, and remote controllers comprise digital display screen, variable-frequency governor, timer, motor switch, realizes the Long-distance Control to the device running operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673118 CN203018141U (en) | 2012-12-07 | 2012-12-07 | Preparation device of superfine CL-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673118 CN203018141U (en) | 2012-12-07 | 2012-12-07 | Preparation device of superfine CL-20 |
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|---|---|
| CN203018141U true CN203018141U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673118 Expired - Fee Related CN203018141U (en) | 2012-12-07 | 2012-12-07 | Preparation device of superfine CL-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506194A (en) * | 2012-12-07 | 2014-01-15 | 北京理工大学 | Preparation device and preparation method for ultrafine CL-20 |
| CN107159004A (en) * | 2017-07-11 | 2017-09-15 | 曾倩 | A kind of medical dialyzing paper preparation agitating device |
| CN107494947A (en) * | 2017-08-25 | 2017-12-22 | 贵州三人行食品开发有限公司 | Farrowing sow epidemic-prevention fodder and preparation method thereof |
| CN108831663A (en) * | 2018-06-06 | 2018-11-16 | 冀中能源集团有限责任公司 | A kind of preparation method and its device of ore dressing magnetic fluid |
| CN112933632A (en) * | 2019-12-11 | 2021-06-11 | 江苏民生特种设备集团有限公司 | High efficiency distillation column cauldron |
| CN115337844A (en) * | 2022-08-29 | 2022-11-15 | 上海大喂科技发展有限公司 | Foundation cream preparation equipment and method |
-
2012
- 2012-12-07 CN CN 201220673118 patent/CN203018141U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506194A (en) * | 2012-12-07 | 2014-01-15 | 北京理工大学 | Preparation device and preparation method for ultrafine CL-20 |
| CN103506194B (en) * | 2012-12-07 | 2016-08-10 | 北京理工大学 | The preparation facilities of a kind of ultra-fine CL-20 and preparation method |
| CN107159004A (en) * | 2017-07-11 | 2017-09-15 | 曾倩 | A kind of medical dialyzing paper preparation agitating device |
| CN107494947A (en) * | 2017-08-25 | 2017-12-22 | 贵州三人行食品开发有限公司 | Farrowing sow epidemic-prevention fodder and preparation method thereof |
| CN108831663A (en) * | 2018-06-06 | 2018-11-16 | 冀中能源集团有限责任公司 | A kind of preparation method and its device of ore dressing magnetic fluid |
| CN112933632A (en) * | 2019-12-11 | 2021-06-11 | 江苏民生特种设备集团有限公司 | High efficiency distillation column cauldron |
| CN115337844A (en) * | 2022-08-29 | 2022-11-15 | 上海大喂科技发展有限公司 | Foundation cream preparation equipment and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20131207 |