CN112266310A - Energetic material kneading device and method - Google Patents

Energetic material kneading device and method Download PDF

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Publication number
CN112266310A
CN112266310A CN202011202790.3A CN202011202790A CN112266310A CN 112266310 A CN112266310 A CN 112266310A CN 202011202790 A CN202011202790 A CN 202011202790A CN 112266310 A CN112266310 A CN 112266310A
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CN
China
Prior art keywords
kneading
feeding
component
cavity
energetic
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Pending
Application number
CN202011202790.3A
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Chinese (zh)
Inventor
张博
肖勇
张玉辉
高丰
黄求安
李全俊
雷林
韩智鹏
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China South Industries Group Automation Research Institute
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China South Industries Group Automation Research Institute
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Priority to CN202011202790.3A priority Critical patent/CN112266310A/en
Publication of CN112266310A publication Critical patent/CN112266310A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/81Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • B01F33/811Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/716Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
    • B01F35/7164Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components the containers being placed in parallel before contacting the contents

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to the technical field of energy-containing device production, in particular to an energy-containing material kneading device; the technical scheme is as follows: an energetic material kneading device comprising: the kneading device comprises a multi-cavity kneading component, a kneading unit and a kneading unit, wherein the multi-cavity kneading component is provided with at least four kneading units which are sequentially communicated, each kneading unit comprises a kneading cavity, and a pair of mixing blades are arranged in each kneading cavity so as to sequentially realize feeding, premixing, final mixing and discharging of energetic materials; a first feed assembly for feeding a first solid phase component of the energetic material to the multi-cavity kneading assembly; a second feeding assembly for feeding a second solid phase component of the energetic material to the multi-cavity kneading assembly. The invention can realize the continuous mixing of the energetic materials, can reduce the dosage of the energetic materials on a kneading line, realizes the continuous filling of the energetic materials, improves the intrinsic safety of the production process and can ensure the stable quality of products.

Description

Energetic material kneading device and method
Technical Field
The invention relates to the technical field of energy-containing device production, in particular to an energy-containing material kneading device and method.
Background
Energetic materials, namely explosives, propellants and pyrotechnic compositions, are widely used in the military and civil blasting and firework fields because of the release of a large amount of energy in the redox reaction. Wherein, the mixing uniformity of each component of the energetic material directly influences the performance of the energetic material, and the mixing characteristics of a mixer for producing the energetic material directly influences the performance and the production cost of the energetic material. At present, mixing equipment suitable for high-viscosity and high-solid-phase content energetic materials is mainly an intermittent mixer, and the mixing equipment has the disadvantages of large primary mixing amount, poor safety, high energy consumption, low operation efficiency, complex process and quality difference among batches.
Disclosure of Invention
Aiming at the technical problems that the existing energetic material kneading cannot continuously charge, the mixing amount is large, and the quality difference of material batches is large, the invention provides the energetic material kneading device and the method, which can reduce the online dosage of the energetic material kneading, realize the continuous filling of the energetic material, improve the intrinsic safety of the production process, and ensure the stable quality of the product.
The invention is realized by the following technical scheme:
an energetic material kneading device comprising: the kneading device comprises a multi-cavity kneading component, a kneading unit and a kneading unit, wherein the multi-cavity kneading component is provided with at least four kneading units which are sequentially communicated, each kneading unit comprises a kneading cavity, and a pair of mixing blades are arranged in each kneading cavity so as to sequentially realize feeding, premixing, final mixing and discharging of energetic materials; a first feed assembly for feeding a first solid phase component of the energetic material to the multi-cavity kneading assembly; a second feeding assembly for feeding a second solid phase component of the energetic material to the multi-cavity kneading assembly.
All solid-phase raw materials of the energetic materials are divided into two groups by the first feeding component and the second feeding component and are added into the multi-cavity kneading component, the two groups of solid-phase raw materials enter a kneading cavity of the kneading unit at the front end of the multi-cavity component, the energetic materials are subjected to sexual mixing and conveying by the mixing paddles, and then the feeding, premixing, final mixing and discharging of the energetic materials are realized by the paddles in the kneading cavity and the kneading cavity which are sequentially communicated, so that the kneading of the energetic materials is completed. In the process, the at least four kneading cavities can mix the energetic materials four times in sequence, so that the continuous mixing of the energetic materials can be realized, the on-line dosage of the energetic materials can be reduced, the continuous filling of the energetic materials is realized, and the intrinsic safety of the production process is improved. And the consistency of the energetic materials can be ensured through multiple times of mixing, the condition of large quality difference of materials in different batches is avoided, and the stable quality of products is ensured. In addition, in the whole operation process, only the energetic materials are required to be loaded into the feeding assembly according to a certain proportion, the process is simple, and the kneading efficiency is high.
Furthermore, an observation window which can be opened and closed is arranged on one side of the kneading cavity, and the observation window is made of explosion-proof glass, so that the mixing condition of the energetic materials can be observed conveniently, and the maintenance and the cleaning of the multi-cavity kneading component are facilitated. And the energy-containing material kneading machine is made of explosion-proof glass, so that the safety of the energy-containing material kneading production process can be ensured.
Furthermore, the observation window is plated with a conductive metal layer so as to lead static electricity generated in the kneading process out, and the intrinsic safety of the device is further improved.
Preferably, the side walls of the kneading cavity and the mixing blades are made of nonferrous metals, so that sparks caused by collision of raw materials and iron products during kneading of the energetic materials are avoided, and the safety of the energetic material kneading production process is ensured.
And one end of the feeding component is communicated with the discharge end of the multi-cavity kneading component, and the other end of the feeding component is used for being connected with a charging station so as to feed the kneaded energetic material into the charging station.
Specifically, the multi-cavity kneading component, the first feeding component, the second feeding component and the feeding component are all arranged on the machine base.
Furthermore, a third feeding component and a fourth feeding component are arranged on the machine base, the third feeding component is used for inputting a first liquid phase component of the energetic material into the multi-cavity kneading component, and the fourth feeding component is used for inputting a second liquid phase component of the energetic material into the multi-cavity kneading component, so that the components of the liquid phase energetic material are added into the multi-cavity kneading component through the third feeding component and/or the fourth feeding component, and solid-liquid mixing or high-viscosity kneading of the liquid energetic material is completed.
Furthermore, a base is arranged below the base and is in sliding connection with the base, so that the discharge end of the feeding assembly can move back and forth between different charging stations, continuous charging of the convective energetic material is realized, and the production efficiency is improved; and simultaneously, the off-line cleaning and maintenance of the kneading device are facilitated.
The invention also provides an energetic material kneading method based on the device, which comprises the following steps:
feeding the solid phase components of the energetic material through a first feeding assembly and a second feeding assembly into a multi-cavity kneading assembly;
the energetic materials are sequentially subjected to feeding, premixing, final mixing and discharging treatment through mixing blades in a plurality of sequentially communicated kneading cavities of the multi-cavity kneading component;
and the energetic materials sent out from the discharge ends of the multi-cavity kneading components are sent to a charging station through the feeding components.
For kneading of energetic materials requiring addition of a liquid phase component, the liquid phase component of the energetic material is fed to the multi-chamber kneading block through the third feeding block and/or the fourth feeding block prior to mixing the energetic materials.
The invention has the beneficial effects that:
1. all solid-phase raw materials of the energetic materials are divided into two groups by the first feeding component and the second feeding component and are added into the multi-cavity kneading component, the two groups of solid-phase raw materials enter a kneading cavity of a kneading unit at the front end of the multi-cavity component, the energetic materials are subjected to sexual mixing and conveying by the mixing paddles, and then the feeding, premixing, final mixing and discharging of the energetic materials are realized by the paddles in the kneading cavity and the kneading cavity which are sequentially communicated, so that the kneading of the energetic materials is completed; the dosage of the energetic material on the kneading line can be reduced, the energetic material can be continuously filled, and the intrinsic safety of the production process is improved;
2. the consistency of the mixing of the energetic materials can be ensured through multiple times of mixing, the condition of large quality difference of materials in different batches is avoided, and the stable quality of products is ensured;
3. in the kneading operation process, only the energetic materials are required to be loaded into the feeding assembly according to a certain proportion, the process is simple, and the kneading efficiency is high;
4. the components of the liquid-phase energetic material are added into the multi-cavity kneading component through the third feeding component and/or the fourth feeding component, so that the kneading of the solid-liquid mixed or high-viscosity liquid energetic material is completed, the universality is realized, and the production cost of kneading the energetic material is reduced;
5. the base is arranged below the base and is in sliding connection with the base, so that the discharge end of the feeding assembly can move back and forth between different charging stations, continuous charging of the convective energetic materials is realized, the production efficiency is improved, and meanwhile, offline cleaning and maintenance of the kneading device are facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic perspective view of a kneading apparatus of the present invention;
FIG. 2 is a schematic front view of a kneading apparatus of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a first feeding component, 2-a second feeding component, 3-a multi-cavity kneading component, 4-a feeding component, 5-a machine base, 6-an electric cabinet, 7-a base, 8-an observation window, 9-a third feeding component and 10-a fourth feeding component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
An energetic material kneading device comprising: the multi-cavity kneading component 3 is provided with at least four kneading units which are sequentially communicated, each kneading unit comprises a kneading cavity, and a pair of mixing blades are arranged in each kneading cavity so as to sequentially realize feeding, premixing, final mixing and discharging of energetic materials; a first feeding module 1, wherein the first feeding module 1 is used for feeding a first solid phase component of the energetic material to the multi-cavity kneading module 3; a second feeding element 2, which second feeding element 2 is used for feeding a second solid-phase component of the energetic material into the multi-chamber kneading block 3.
Furthermore, an observation window 8 which can be opened and closed is arranged on one side of the kneading cavity, and the observation window 8 is made of explosion-proof glass, so that the mixing condition of energetic materials can be observed conveniently on one hand, and the maintenance and the cleaning of the multi-cavity kneading component 3 are facilitated on the other hand. And the energy-containing material kneading machine is made of explosion-proof glass, so that the safety of the energy-containing material kneading production process can be ensured.
Furthermore, the observation window 8 is plated with a conductive metal layer so as to lead static electricity generated in the kneading process out, and the intrinsic safety of the device is further improved.
Preferably, the side walls of the kneading cavity and the mixing blades are made of nonferrous metals, so that sparks caused by collision of raw materials and iron products during kneading of the energetic materials are avoided, and the safety of the energetic material kneading production process is ensured.
The device further comprises a feeding component 4, one end of the feeding component 4 is communicated with the discharge end of the multi-cavity kneading component 3, and the other end of the feeding component 4 is used for being connected with a charging station so as to feed the kneaded energetic materials into the charging station.
Specifically, the multi-cavity kneading module 3, the first feeding module 1, the second feeding module 2 and the feeding module 4 are all mounted on the machine base 5.
Further, a third feeding component 9 and a fourth feeding component 10 are arranged on the machine base 5, the third feeding component 9 is used for inputting a first liquid-phase component of the energetic material into the multi-cavity kneading component 3, the fourth feeding component 10 is used for inputting a second liquid-phase component of the energetic material into the multi-cavity kneading component 3, so that the components of the liquid-phase energetic material are added into the multi-cavity kneading component 3 through the third feeding component 9 and/or the fourth feeding component 10, and further the kneading of the liquid-phase energetic material with solid-liquid mixing or high viscosity is completed.
Further, a base 7 is arranged below the base 5, and the base 5 is connected with the base 7 in a sliding manner, so that the discharge end of the feeding component 4 can move back and forth between different charging stations, continuous charging of convective energetic materials is realized, and the production efficiency is improved; and simultaneously, the off-line cleaning and maintenance of the kneading device are facilitated.
That is, the embodiment comprises a first feeding component 1, a second feeding component 2, a multi-cavity kneading component 3, a feeding component 4, a machine base 5 and an electric cabinet 6 provided with a control module; the first feeding component 1 is positioned above the multi-chamber kneading component 3, is connected with the multi-chamber kneading component 3 through a pipeline and is arranged on the machine base 5; the second feeding component 2 is positioned above the multi-cavity kneading component 3 and at the right side of the first feeding component 1, is connected with the multi-cavity kneading component 3 through a pipeline and is arranged on the machine base 5; the multi-cavity kneading component 3 is positioned in the middle of the whole process and equipment and is arranged on the machine base 5; the feeding component 4 is arranged on the machine base 5 and is positioned at the right side of the multi-cavity kneading component 3 and is connected with the multi-cavity kneading component 3 through a pipeline; a control box 6 is mounted on the machine base 5 and is located to the left of the multi-chamber kneading block 3. The kneading cavities of the multi-cavity kneading component 3 can adopt a 4-cavity, 6-cavity or 12-cavity structure according to specific components so as to ensure that energetic materials are uniformly mixed.
In the embodiment, all solid-phase raw materials of energetic materials are divided into two groups by the first feeding component 1 and the second feeding component 2 and are added into the multi-cavity kneading component 3, the solid-phase raw materials enter the kneading cavity of the kneading unit at the front end of the multi-cavity component and are subjected to progressive mixing and conveying of the energetic materials by the mixing paddles, and then feeding, premixing, final mixing (forced mixing) and discharging (forced output) of the energetic materials are realized by the sequentially communicated kneading cavity and the paddles in the kneading cavity, so that the kneading of the energetic materials is completed. In the process, the at least four kneading cavities can mix the energetic materials four times in sequence, so that the continuous mixing of the energetic materials can be realized, the dosage of the energetic materials kneaded on lines can be reduced, the continuous filling of the energetic materials is realized, and the intrinsic safety of the production process is improved. And the consistency of the energetic materials can be ensured through multiple times of mixing, the condition of large quality difference of materials in different batches is avoided, and the stable quality of products is ensured. In addition, in the whole operation process, only the energetic materials are required to be loaded into the feeding assembly according to a certain proportion, the process is simple, and the kneading efficiency is high.
Example 2
A kneading method of energetic materials based on example 1, comprising the steps of:
the solid phase components of the energetic materials are proportioned according to a set proportion and are sent into a left kneading cavity of a multi-cavity kneading component 3 through a first feeding component 1 and a second feeding component 2;
the energetic materials are sequentially subjected to feeding, premixing, final mixing and discharging treatment through the mixing blades in a plurality of sequentially communicated kneading cavities of the multi-cavity kneading component 3;
the energetic materials sent out from the section discharge ends of the multi-cavity kneading component 3 are sent to a charging station through a feeding component 4.
For kneading energetic materials requiring addition of a liquid phase component, the multi-chamber kneading block 3 is fed with the liquid phase component of the energetic material by the third feeding block 9 and/or the fourth feeding block 10 before mixing the energetic materials.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. An energetic material kneading device characterized by comprising:
the multi-cavity kneading component (3) is provided with at least four kneading units which are sequentially communicated, each kneading unit comprises a kneading cavity, and a pair of mixing blades are arranged in each kneading cavity so as to sequentially realize feeding, premixing, final mixing and discharging of energetic materials;
a first feeding assembly (1), wherein the first feeding assembly (1) is used for feeding a first solid-phase component of the energetic material into the multi-cavity kneading assembly (3);
a second feeding element (2), wherein the second feeding element (2) is used for feeding a second solid phase component of the energetic material into the multi-cavity kneading element (3).
2. The energetic material kneading device according to claim 1, wherein an openable and closable observation window (8) is provided on one side of the kneading chamber, and the observation window (8) is made of explosion-proof glass.
3. Energetic material kneading device according to claim 2, characterised in that the viewing window (8) is plated with a conductive metal layer.
4. The energetic material kneading device according to claim 1, wherein the side walls of the kneading chamber and the mixing blades are both non-ferrous metals.
5. The energetic material kneading device according to claim 1, further comprising a feeding component (4), wherein one end of the feeding component (4) is communicated with the discharge end of the multi-cavity kneading component (3), and the other end of the feeding component (4) is used for being connected with a charging station.
6. Kneading device for energetic materials according to claim 5, characterised in that the multi-chamber kneading block (3), the first feeding block (1), the second feeding block (2) and the feeding block (4) are mounted on a machine base (5).
7. Kneading device for energetic materials according to claim 6, characterised in that a third feeding module (9) and a fourth feeding module (10) are provided on the machine base (5), the third feeding module (9) being intended for feeding a first liquid phase component of energetic materials to the multi-chamber kneading module (3) and the fourth feeding module (10) being intended for feeding a second liquid phase component of energetic materials to the multi-chamber kneading module (3).
8. The energetic material kneading device according to claim 1, characterized in that a base (7) is arranged below the machine base (5), and the machine base (5) is connected with the base (7) in a sliding way, so that the discharge end of the feeding component (4) can move back and forth between different loading stations.
9. A method for kneading energetic materials, based on the energetic material kneading apparatus as recited in any one of claims 1 to 9, characterized by comprising the steps of:
feeding the solid phase components of the energetic material into a multi-cavity kneading block (3) through a first feeding block (1) and a second feeding block (2);
the energetic materials are sequentially subjected to feeding, premixing, final mixing and discharging treatment through mixing blades in a plurality of sequentially communicated kneading cavities of the multi-cavity kneading component (3);
the energetic materials sent out from the discharge end of the multi-cavity kneading component (3) are sent to a charging station through a feeding component (4).
10. A method for kneading energetic materials, characterized in that a multi-chamber kneading block (3) is fed with the liquid phase components of the energetic materials by a third feeding block (9) and/or a fourth feeding block (10) before mixing the energetic materials.
CN202011202790.3A 2020-11-02 2020-11-02 Energetic material kneading device and method Pending CN112266310A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202011202790.3A CN112266310A (en) 2020-11-02 2020-11-02 Energetic material kneading device and method

Publications (1)

Publication Number Publication Date
CN112266310A true CN112266310A (en) 2021-01-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206924642U (en) * 2016-12-23 2018-01-26 布勒(常州)机械有限公司 Batch in-line mixing machine
CN208049858U (en) * 2018-01-18 2018-11-06 江苏塔菲尔新能源科技股份有限公司 A kind of cell size production system
CN109664429A (en) * 2018-12-17 2019-04-23 西安近代化学研究所 A kind of modularization multi-chamber continuous kneader
CN211159330U (en) * 2019-04-28 2020-08-04 长沙玺宸自动化科技有限公司 Pyrotechnic composition mixing mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206924642U (en) * 2016-12-23 2018-01-26 布勒(常州)机械有限公司 Batch in-line mixing machine
CN208049858U (en) * 2018-01-18 2018-11-06 江苏塔菲尔新能源科技股份有限公司 A kind of cell size production system
CN109664429A (en) * 2018-12-17 2019-04-23 西安近代化学研究所 A kind of modularization multi-chamber continuous kneader
CN211159330U (en) * 2019-04-28 2020-08-04 长沙玺宸自动化科技有限公司 Pyrotechnic composition mixing mechanism

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