CN111116279B - Aluminum-containing explosive granulating system - Google Patents
Aluminum-containing explosive granulating system Download PDFInfo
- Publication number
- CN111116279B CN111116279B CN202010058168.3A CN202010058168A CN111116279B CN 111116279 B CN111116279 B CN 111116279B CN 202010058168 A CN202010058168 A CN 202010058168A CN 111116279 B CN111116279 B CN 111116279B
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- Prior art keywords
- granulating
- piston
- vibrating
- main cylinder
- cross beam
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- 239000002360 explosive Substances 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 13
- 238000012216 screening Methods 0.000 claims abstract description 17
- 238000005453 pelletization Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 22
- 239000002245 particle Substances 0.000 description 18
- 230000009471 action Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- C06B21/0033—Shaping the mixture
- C06B21/0066—Shaping the mixture by granulation, e.g. flaking
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses an aluminum-containing explosive granulating system, which comprises a granulator, a screening system and a conveying device connected between the granulating system and the screening system; the granulator comprises a frame, a support arranged on the frame, a granulating main cylinder arranged on the support and provided with an upward opening, a granulating impeller rotatably arranged in the granulating main cylinder, and a granulating screen arranged at the bottom of the granulating main cylinder, wherein a piston main body which can be in sliding connection with the granulating main cylinder is arranged above the granulating main cylinder, and the granulating impeller comprises a plurality of blades which incline upwards along the rotating direction. The beneficial effects of the invention are as follows: according to the scheme, the automatic control of the whole process from pelletization to drying of the explosive can be realized, the production efficiency and quality can be improved, the direct contact of workers and the explosive can be avoided, and the safety of the production process is ensured.
Description
Technical Field
The invention relates to the technical field of explosive production for the military industry, in particular to an aluminum-containing explosive granulating system.
Background
Because of the specificity of the raw materials, the aluminum-containing explosive is easy to explode when being subjected to large extrusion, so that the aluminum-containing explosive is difficult to granulate and produce by a traditional granulating mode. Under the prior art condition, the granulation production is carried out manually, and the defects of high safety risk, large occupational hazard, low efficiency, poor granulation quality and the like exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an aluminum-containing explosive granulating system which is used for improving the production efficiency and quality and ensuring the safety of the production process.
The invention is realized by the following technical scheme: an aluminum-containing explosive granulating system comprises a granulator, a screening system and a conveying device connected between the granulating system and the screening system; the granulator comprises a frame, a support arranged on the frame, a granulating main cylinder arranged on the support and provided with an upward opening, a granulating impeller rotatably arranged in the granulating main cylinder, and a granulating screen arranged at the bottom of the granulating main cylinder, wherein a piston main body which can be in sliding connection with the granulating main cylinder is arranged above the granulating main cylinder, and the granulating impeller comprises a plurality of blades which incline upwards along the rotating direction.
Further, in order to better realize the invention, the support is provided with a supporting structure, the supporting structure is provided with a middle cross beam, and the piston main body is provided with a piston guide rod which is in sliding connection with the middle cross beam; the middle cross beam is provided with a piston electric cylinder in transmission connection with the piston main body, and the piston electric cylinder is in transmission connection with a piston motor; a pressure sensor is arranged between the piston electric cylinder and the piston main body; the piston body and the blades are made of polytetrafluoroethylene.
Further, in order to better realize the invention, the middle cross beam is provided with an impeller motor, and an output shaft of the impeller motor is in transmission connection with a blade rotating shaft which penetrates through the piston main body and is in transmission connection with the granulating impeller.
Further, in order to better realize the invention, the supporting structure comprises two lifting cylinders symmetrically arranged at two sides of the granulating main cylinder; parallel fixed guide posts are arranged on two sides of the granulating main cylinder, and the middle cross beam is in sliding connection with the fixed guide posts; the middle cross beam is provided with a linear bearing which is in sliding connection with the fixed guide post.
Further, in order to better implement the present invention, the free ends of the two fixed guide posts are connected by an upper cross beam parallel to the middle cross beam.
Further, in order to better realize the invention, the conveying device comprises a conveying bracket and a conveying belt arranged on the conveying bracket, one end of the conveying belt is positioned below the granulating screen, and the other end of the conveying belt is positioned above the inlet of the screening system.
Further, in order to better realize the invention, the conveying support is provided with a plurality of heating boxes arranged above the conveying belt.
Further, in order to better realize the invention, the conveyer belt adopts an antistatic belt.
Further, in order to better realize the invention, the screening system comprises a vibrating frame, a vibrating motor arranged in the vibrating frame, and a vibrating screen arranged on the vibrating frame and in transmission connection with the vibrating motor, wherein two layers of vibrating screens are arranged in the vibrating screen to divide the vibrating screen into an upper layer vibrating space, a middle layer vibrating space and a lower layer vibrating space; the upper vibration space is communicated with an upper discharge hole, the middle vibration space is communicated with a middle discharge hole, and the lower vibration space is communicated with a lower discharge hole.
Further, in order to better realize the invention, a plurality of springs are connected between the vibrating screen and the vibrating frame.
The beneficial effects that this scheme obtained are: according to the scheme, the automatic control of the whole process from pelletization to drying of the explosive can be realized, the production efficiency and quality can be improved, the direct contact of workers and the explosive can be avoided, and the safety of the production process is ensured.
Drawings
FIG. 1 is a schematic diagram of a granulation system;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the granulator;
FIG. 4 is a schematic structural view of a granulating structure;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic diagram of a screening system;
the device comprises a 1-granulating main cylinder, a 2-granulating impeller, a 3-granulating screen, a 4-piston main body, a 5-support, a 6-supporting structure, a 7-middle beam, an 8-piston guide rod, a 9-piston electric cylinder, a 10-piston motor, an 11-pressure sensor, a 12-impeller motor, a 13-blade rotating shaft, a 14-linear bearing, a 15-fixed guide column, a 16-upper beam, a 17-frame, an 18-explosion-proof cover, a 19-conveying device, a 191-conveying support, a 192-conveying belt, a 193-heating box, a 20-control panel, a 21-vibrating frame, a 22-vibrating screen, a 221-upper layer discharge hole, a 222-middle layer discharge hole, a 223-lower layer discharge hole and a 23-spring.
Detailed Description
The present invention will be described in further detail with reference to examples, but embodiments of the present invention are not limited thereto.
Example 1:
as shown in fig. 1, in this embodiment, an aluminum-containing explosive granulating system includes a granulator, a screening system, and a conveying device 19 connected between the granulating system and the screening system; the granulator comprises a frame 17, a support 5 arranged on the frame 17, a granulating main cylinder 1 arranged on the support 5 and provided with an upward opening, a granulating impeller 2 rotatably arranged in the granulating main cylinder 1, and a granulating screen 3 arranged at the bottom of the granulating main cylinder 1, wherein a piston main body 4 which can be in sliding connection with the granulating main cylinder 1 is arranged above the granulating main cylinder 1, and the granulating impeller 2 comprises a plurality of blades which incline upwards along the rotating direction.
When the granulating machine is used, materials are filled into the granulating main cylinder 1, the piston main body 4 is driven to move downwards to continuously apply a certain pressure to the materials, the impeller 2 is driven to rotate, and the materials pass through the granulating screen 3 to become granules under the action of the pressure of the impeller 2. Because the blades incline upwards along the rotation direction, when the impeller 2 rotates, the blades can continuously spin-cut the upper material to enable the upper material to enter the lower part of the blades, so that the upper material downwards passes through the granulating screen 3 under the pressure of the blades, and continuous production is realized. The pressure born by the materials at the lower part of the impeller 2 can be controlled by controlling the distance between the impeller 2 and the granulating screen 3, so that the safety risk caused by overlarge pressure born by the materials is avoided.
The explosion-proof cover 18 on the frame 17 can isolate the working space, and when the material in the explosion-proof cover 18 burns and explodes due to accidents, the explosion-proof cover can play a role in isolation, thereby reducing the damage of the explosion to the surrounding environment and personnel. The top of the corresponding explosion-proof cover 18 can be provided with an explosion-discharging hole, so that air pressure generated during material explosion can be discharged from the top of the explosion-proof cover 18 through the explosion-discharging hole, and impact on the surrounding structure of the frame 17 is reduced.
The particles formed after the material passes through the granulating screen 3 fall on the conveying device 19, are taken away from the frame 17 by the conveying device 19, and are conveyed into a screening system for screening so as to be convenient for selecting particles with proper particle size.
The corresponding operation panel 20 can be arranged on the frame 17, so that the operation panel 20 is connected with the controller, and the operation panel 20 can be used for controlling, so that the operation is convenient.
The piston main body 4 is movably and hermetically connected with the granulating main cylinder 1, so that material reflux is avoided, and the situation that the material is extruded and rubbed between the piston main body 4 and the granulating main cylinder 1 to cause safety risks is prevented.
The granulating screen 3 is detachably connected with the granulating main cylinder 1, so that screens with different mesh sizes can be selected according to the requirement, and granules with different particle sizes can be obtained conveniently.
In this embodiment, can make the blade rotate the setting to the contained angle of blade is adjusted according to the different form of material.
Example 2:
on the basis of the above embodiment, in this embodiment, the support 5 is provided with a support structure 6, the support structure 6 is provided with a middle cross beam 7, and the piston main body 4 is provided with a piston guide rod 8 slidably connected with the middle cross beam 7.
The piston guide rod 8 can control the moving direction of the piston main body 4, which is beneficial to improving the moving precision of the piston main body 4, avoiding the piston main body 4 from scratching the granulating main cylinder 1, or avoiding the piston main body 4 from being blocked on the granulating main cylinder 1, or avoiding the piston main body 4 from not aligning with the granulating main cylinder 1 and not entering the granulating main cylinder 1.
As shown in fig. 3, the middle cross beam 7 is provided with a piston electric cylinder 9 in transmission connection with the piston main body 4, and the piston electric cylinder 9 is in transmission connection with a piston motor 10. Utilize piston motor 10 drive piston cylinder 9, piston cylinder 9 can drive piston main part 4 along piston guide bar 8 reciprocating motion to this realizes exerting pressure to the material in the granulation master cylinder 1 through piston main part 4, through the power of control piston motor 10 output, can adjust the pressure size that receives, avoids the material to receive the pressure too big and exist the security risk, or avoid the material to receive the pressure undersize and lead to the efficiency reduction of granulation.
In this embodiment, a pressure sensor 11 is disposed between the piston cylinder 9 and the piston main body 4. The pressure sensor 11 can be used for detecting the pressure applied by the piston cylinder 9 to the piston main body 4 in real time, and the pressure applied by the material is judged according to the pressure. The pressure sensor 11 can be connected with a controller, and the controller analyzes and processes the data collected by the pressure sensor 11. The controller can also be connected with an alarm, and when the pressure data acquired by the pressure sensor 11 reach a set threshold value, the controller is used for controlling the alarm to give an alarm so as to remind.
The piston motor 10 is electrically controlled by a controller to facilitate remote adjustment of the piston motor 10 to protect the safety of the worker. In this embodiment, the controller is common knowledge and conventional means of those skilled in the art, the specific structure and working principle thereof are not used as improvement points of the present solution, and those skilled in the art can implement the above-mentioned effects by using the existing controller according to the description of the present solution, and the specific structure and working principle of the controller are not repeated and limited herein.
Example 3:
on the basis of the above embodiment, in this embodiment, the middle cross beam 7 is provided with the impeller motor 12, and the output shaft of the impeller motor 12 is in transmission connection with the vane rotating shaft 13 which passes through the piston main body 4 and is in transmission connection with the granulating impeller 2. The impeller motor 12 is utilized to drive the granulation impeller 2 to rotate, and a speed reducer can be arranged between the blade rotating shaft 13 and the impeller motor 12 so as to adjust the rotating speed of the granulation impeller 2. The blade rotating shaft 13 is in dynamic sealing connection with the piston main body 4, so that material backflow is avoided, and the situation that the material is extruded and rubbed between the blade rotating shaft 13 and the piston main body 4 to cause safety risks is prevented.
Example 4:
on the basis of the above embodiment, in this embodiment, the supporting structure 6 includes two lifting cylinders symmetrically disposed at two sides of the granulating master cylinder 1. Therefore, the lifting cylinder can be utilized to drive the middle cross beam 7 to move up and down, so that the distance from the granulating impeller 2 to the granulating screen 3 is adjusted, the pressure when materials are extruded to pass through the granulating screen 3 is conveniently adjusted, and the structures such as the granulating main cylinder 1, the granulating impeller 2 and the like are conveniently detached and cleaned in the later period.
In this embodiment, two sides of the granulating master cylinder 1 are provided with parallel fixed guide posts 15, and the middle cross beam 7 is slidably connected with the fixed guide posts 15. The fixed guide posts 15 are utilized to play a role in limiting and guiding the middle cross beam 7, and the stability and rigidity of the middle cross beam 7 can be increased, so that the position accuracy of other structures is prevented from being influenced due to the fact that the middle cross beam 7 slides in the moving process.
In this embodiment, the middle cross beam 7 is provided with a linear bearing 14 slidably connected to the fixed guide post 15. The linear bearings 14 can reduce friction and abrasion, increase the supported contact area of the middle cross beam 7 and facilitate the improvement of the stability of the middle cross beam 7.
In this embodiment, the free ends of the two fixed guide posts 15 are connected by an upper cross member 16 parallel to the middle cross member 7. The upper beam 16 can limit the shaking of the free end of the fixed guide post 15, which is beneficial to improving the stability of the fixed guide post 15, so that the fixed guide post 15 is always kept parallel, and the friction of the linear bearing 14 is prevented from being aggravated due to the deformation of the fixed guide post 15, or the middle beam 7 is prevented from being blocked and cannot move.
Example 5:
based on the above embodiment, in this embodiment, the inner hole of the granulating master cylinder 1 is cylindrical, and a conical chamfer is provided at the opening of the granulating master cylinder 1. The chamfer angle is used for guiding, so that the piston main body 4 is conveniently introduced into the granulating main cylinder 1, and the piston main body 4 is prevented from being clamped at the opening of the granulating main cylinder 1.
The piston body 4 and the blades are made of polytetrafluoroethylene. Therefore, the piston main body 4 and the blades have certain elasticity, and the safety risk caused by excessive extrusion of materials is avoided.
Example 6:
as shown in fig. 1 and 2, in the above embodiment, the conveying device 19 includes a conveying bracket 191 and a conveying belt 192 disposed on the conveying bracket 191, one end of the conveying belt 192 is located below the granulating screen 3, and the other end of the conveying belt 192 is located above the inlet of the screening system.
The conveying belt 192 is in transmission connection with a driving system, the driving system is used for driving the conveying belt to circularly rotate, and continuous conveying can be realized by the conveying belt 192 under the condition that the granulating structure continuously performs granulating. In this embodiment, the driving system is the prior art, and a person skilled in the art can adopt a driving system that is conventional under the prior art according to the description of the present scheme, so that the specific structure of the driving system is not limited and described in detail herein.
In this embodiment, a plurality of heating boxes 193 are disposed above the conveyor belt 192 on the conveying frame 191. The particles on the conveyor belt 192 are heated on line by the heating box 193, so that the volatilization efficiency of the volatilizable solvent is improved, and the drying of the particles is accelerated.
In this embodiment, the heating box 193 is heated by hot air, and the hot air can also be used to blow away the volatilized solvent, so as to avoid potential safety hazards caused by too high solvent concentration.
In this embodiment, the conveyer 192 is an antistatic belt. Thereby avoiding the risk of ignition and detonation of the explosive due to static charge on the conveyor 192.
Example 7:
as shown in fig. 5, in the above embodiment, the screening system includes a vibration frame 21, a vibration motor disposed in the vibration frame 21, and a vibration screen 22 disposed on the vibration frame 21 and in driving connection with the vibration motor, wherein two layers of vibration screens are disposed in the vibration screen 22 to divide the vibration screen 22 into an upper layer vibration space, a middle layer vibration space and a lower layer vibration space; the upper vibration space is communicated with an upper discharge hole 221, the middle vibration space is communicated with a middle discharge hole 222, and the lower vibration space is communicated with a lower discharge hole 223.
The aperture of the upper layer vibrating screen is larger than that of the lower layer vibrating screen, the vibrating screen 22 is driven to vibrate by the vibrating motor, and particles with different particle diameters can pass through the vibrating screen under the vibrating action of the vibrating screen 22 and can not pass through the vibrating screen, so that the particles are screened out and left on the vibrating screen. In this embodiment, the upper layer vibrating screen is used to screen out the particles with the particle size larger than the required particle size, the lower layer screen is used to screen out the particles with the particle size smaller than the required particle size, the particles between the upper layer vibrating screen and the lower layer vibrating screen are the particles meeting the requirements, and under the action of vibration, the screened particles are discharged out of the vibrating screen 22 through the upper layer discharge port 221, the middle layer discharge port 222 and the lower layer discharge port 223 respectively, so as to facilitate collection and subsequent treatment.
In this embodiment, a plurality of springs 23 are connected between the vibrating screen 22 and the vibrating frame 21. The spring 23 can play a role in auxiliary support, enhance the stability of the vibrating screen 22, play a role in buffering and absorbing vibration, and facilitate reducing the vibration transmitted to the vibrating frame 21 by the vibrating screen 22 and reducing noise.
In this embodiment, other undescribed matters are the same as those of the above embodiment, so they will not be repeated.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.
Claims (4)
1. An aluminum-containing explosive granulation system, which is characterized in that: comprises a granulator, a screening system and a conveying device (19) connected between the granulator and the screening system;
the granulator comprises a frame (17), a support (5) arranged on the frame (17), a granulating main cylinder (1) arranged on the support (5) and provided with an upward opening, a granulating impeller (2) rotatably arranged in the granulating main cylinder (1), and a granulating screen (3) arranged at the bottom of the granulating main cylinder (1), wherein a piston main body (4) which can be in sliding connection with the granulating main cylinder (1) is arranged above the granulating main cylinder (1), and the granulating impeller (2) comprises a plurality of blades which incline upwards along the rotating direction; the support (5) is provided with a supporting structure (6), the supporting structure (6) is provided with a middle cross beam (7), and the piston main body (4) is provided with a piston guide rod (8) which is in sliding connection with the middle cross beam (7); the middle cross beam (7) is provided with a piston electric cylinder (9) in transmission connection with the piston main body (4), and the piston electric cylinder (9) is in transmission connection with a piston motor (10); a pressure sensor (11) is arranged between the piston electric cylinder (9) and the piston main body (4); the piston main body (4) and the blades are made of polytetrafluoroethylene; an explosion-proof cover (18) is arranged on the frame (17); an impeller motor (12) is arranged on the middle cross beam (7), and an output shaft of the impeller motor (12) is in transmission connection with a blade rotating shaft (13) which penetrates through the piston main body (4) and is in transmission connection with the granulating impeller (2); the supporting structure (6) comprises two lifting cylinders symmetrically arranged at two sides of the granulating main cylinder (1); two sides of the granulating main cylinder (1) are provided with parallel fixed guide posts (15), and the middle cross beam (7) is in sliding connection with the fixed guide posts (15); the middle cross beam (7) is provided with a linear bearing (14) which is in sliding connection with the fixed guide column (15); the free ends of the two fixed guide posts (15) are connected through an upper cross beam (16) parallel to the middle cross beam (7); the conveying device (19) comprises a conveying bracket (191) and a conveying belt (192) arranged on the conveying bracket (191), one end of the conveying belt (192) is positioned below the granulating screen (3), and the other end of the conveying belt (192) is positioned above the inlet of the screening system; the conveying support (191) is provided with a plurality of heating boxes (193) which are arranged above the conveying belt (192).
2. An aluminum-containing explosive pelletizing system according to claim 1, wherein: the conveyer belt (192) adopts an antistatic belt.
3. An aluminum-containing explosive pelletizing system according to claim 1 or 2, characterized in that: the screening system comprises a vibrating frame (21), a vibrating motor arranged in the vibrating frame (21) and a vibrating screen (22) arranged on the vibrating frame (21) and in transmission connection with the vibrating motor, wherein two layers of vibrating screens are arranged in the vibrating screen (22) to divide the vibrating screen (22) into an upper layer vibrating space, a middle layer vibrating space and a lower layer vibrating space; the upper vibration space is communicated with an upper discharge hole (221), the middle vibration space is communicated with a middle discharge hole (222), and the lower vibration space is communicated with a lower discharge hole (223).
4. An aluminum-containing explosive pelletizing system according to claim 3, characterized in that: a plurality of springs (23) are connected between the vibrating screen (22) and the vibrating frame (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010058168.3A CN111116279B (en) | 2020-01-18 | 2020-01-18 | Aluminum-containing explosive granulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010058168.3A CN111116279B (en) | 2020-01-18 | 2020-01-18 | Aluminum-containing explosive granulating system |
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| Publication Number | Publication Date |
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| CN111116279A CN111116279A (en) | 2020-05-08 |
| CN111116279B true CN111116279B (en) | 2024-03-29 |
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| CN202010058168.3A Active CN111116279B (en) | 2020-01-18 | 2020-01-18 | Aluminum-containing explosive granulating system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105237315A (en) * | 2015-08-18 | 2016-01-13 | 帅银飞 | Automatic pelletizer for brightening beads of fireworks |
| CN107983265A (en) * | 2017-12-17 | 2018-05-04 | 兴化市三圆锌品有限公司 | A kind of Zinc oxide particles production prilling granulator |
| CN211712983U (en) * | 2020-01-18 | 2020-10-20 | 绵阳市奥派科技有限公司 | Aluminum-containing explosive granulation system |
-
2020
- 2020-01-18 CN CN202010058168.3A patent/CN111116279B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105237315A (en) * | 2015-08-18 | 2016-01-13 | 帅银飞 | Automatic pelletizer for brightening beads of fireworks |
| CN107983265A (en) * | 2017-12-17 | 2018-05-04 | 兴化市三圆锌品有限公司 | A kind of Zinc oxide particles production prilling granulator |
| CN211712983U (en) * | 2020-01-18 | 2020-10-20 | 绵阳市奥派科技有限公司 | Aluminum-containing explosive granulation system |
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| CN111116279A (en) | 2020-05-08 |
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