WO2017198065A1 - Dispositif de mélange d'ondes sonores faisant appel à un système de résonance à trois degrés de liberté - Google Patents

Dispositif de mélange d'ondes sonores faisant appel à un système de résonance à trois degrés de liberté Download PDF

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Publication number
WO2017198065A1
WO2017198065A1 PCT/CN2017/082590 CN2017082590W WO2017198065A1 WO 2017198065 A1 WO2017198065 A1 WO 2017198065A1 CN 2017082590 W CN2017082590 W CN 2017082590W WO 2017198065 A1 WO2017198065 A1 WO 2017198065A1
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Prior art keywords
reaction
plate
spring
load
unit
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PCT/CN2017/082590
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English (en)
Chinese (zh)
Inventor
陆志猛
孙涛
王青松
曾庆林
温常琰
杜涛
任响宁
张俊杰
Original Assignee
湖北航鹏化学动力科技有限责任公司
北京航天创新专利投资中心（有限合伙）
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Application filed by 湖北航鹏化学动力科技有限责任公司, 北京航天创新专利投资中心（有限合伙） filed Critical 湖北航鹏化学动力科技有限责任公司
Priority to EP17798628.8A priority Critical patent/EP3459619B1/fr
Publication of WO2017198065A1 publication Critical patent/WO2017198065A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/201—Holders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/12—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses
    • B06B1/14—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses the masses being elastically coupled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/24—Mixing the contents of independent containers, e.g. test tubes the containers being submitted to a rectilinear movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/265—Mixing the contents of independent containers, e.g. test tubes the vibrations being caused by an unbalanced rotating member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/27—Mixing the contents of independent containers, e.g. test tubes the vibrations being caused by electromagnets

Definitions

  • the present application relates to a mixing device, and in particular to an acoustic wave mixing device based on a three-degree-of-freedom resonance system.
  • Hybrid equipment has been widely used in chemical, pharmaceutical, battery and other industries, but the mixed equipment currently used is mostly paddle mixers, which have long mixing time, low mixing efficiency, mixed dead angles in the mixing process, and the material feeding process cannot be simultaneously After the addition, the materials are difficult to clean after mixing, which seriously affects the production efficiency of the enterprise.
  • the present invention provides an acoustic wave mixing device based on a three-degree-of-freedom resonance system, the device comprising:
  • a rack 1 comprising: a rack lower plate 101 and a rack upper plate 103 fixedly connected to the rack lower plate 101;
  • a reaction unit 3 comprising: a reaction upper plate 302 and a reaction lower plate 304 fixedly coupled to the reaction upper plate 302; the reaction unit 3 passing through a plurality of second upper springs 301a disposed on an upper surface of the reaction upper plate 302 And a plurality of second lower springs 301b disposed on the lower surface of the reaction lower plate 304 are supported in the frame upper plate 103 and the lower frame 101 of the frame 1;
  • An excitation unit 2 comprising: a fixing plate 202 supported on the reaction upper plate 302 by a plurality of first upper springs 201a disposed on an upper surface thereof and a plurality of first lower springs 201b on a lower surface thereof And the reaction between the lower plates 304;
  • a load unit 4 including: a load upper plate 402 and a fixed connection with the load upper plate 402 Loading the lower plate 407, the load lower plate is disposed between the reaction upper plate 302 of the reaction unit 3 and the reaction lower plate 304;
  • the load lower plate 407 is supported between the reaction upper plate 302 of the reaction unit 3 and the reaction lower plate 304 by a plurality of fourth upper springs 406a and a plurality of fourth lower springs 406b.
  • the load unit 4 further includes: a plurality of spring guide posts 404 fixed to the lower surface of the load upper plate 402;
  • Each spring guide post 404 passes through the upper frame 103 to form upper and lower portions;
  • the upper half of the spring guide post 404 is sleeved with a third upper spring 403a supported between the upper surface of the upper frame 103 and the lower surface of the load upper plate 402;
  • the lower half of the spring guide post 404 is sleeved with a third lower spring 403b supported between the upper frame plate 103 and the lower end of the spring guide post 404.
  • reaction upper plate 302 is fixedly connected to the reaction lower plate 304 by a plurality of reaction force columns 303.
  • the plurality of reaction force columns 303 respectively pass through a plurality of through holes provided on the load lower plate 407.
  • the load upper plate 402 is fixedly coupled to the load lower plate 407 by a plurality of load connecting rods 405.
  • each of the load connecting rods 405 sequentially passes through the upper frame plate 103, the second upper spring 301a, the reaction upper plate 302, and the fourth upper spring 406a.
  • the plurality of first upper springs 201a and the plurality of first lower springs 201b are respectively disposed on the upper surface and the lower surface of the fixed plate 202 in an annular array; or
  • the plurality of second upper springs 301a and the plurality of second lower springs 301b are respectively disposed on the reaction upper plate 302 and the reaction lower plate 304 in an annular array.
  • each of the first upper spring 201a and the central axis of each of the first lower springs 201b coincide; or
  • a center axis of each of the fourth upper springs 406a and each of the fourth lower springs 406b coincides.
  • the upper surface of the fixing plate 202 is provided with a recess for limiting the first upper spring 201a; the lower surface of the fixing plate 202 is provided with a recess for limiting the first lower spring 201b; or
  • the upper surface of the reaction upper plate 302 is provided with a recess for limiting the second upper spring 301a; the lower surface of the reaction lower plate 304 is provided with a recess for limiting the second lower spring 301b; or
  • the frame upper plate 103 is provided with a recess for limiting the second upper spring 301a; the frame lower plate 101 is provided with a recess for limiting the second lower spring 301b; or
  • the lower surface of the reaction upper plate 302 is provided with a recess for limiting the first upper spring 201a; the upper surface of the reaction lower plate 304 is provided with a recess for limiting the first lower spring 201b; or
  • the lower surface of the reaction upper plate 302 is provided with a recess for limiting the fourth upper spring 406a; the upper surface of the reaction lower plate 304 is provided with a recess for limiting the fourth lower spring 406b.
  • the apparatus further comprises: an excitation device fixed to the excitation unit 2.
  • the excitation device is an eccentric mechanical vibration exciter, or an electromagnetic exciter, or a hydraulic exciter.
  • the reaction lower plate 304 is provided with a plurality of holes for weight reduction.
  • the apparatus further comprises: a mixing container 401 fixed to the reaction unit 3 and/or the load unit 4.
  • the rack lower plate 101 and the rack upper plate 103 are fixedly connected by a plurality of rack pillars 102.
  • the first upper spring 201a and the first lower spring 201b are disposed on the excitation unit 2 by press fitting; or the second upper spring 301a and the second lower spring 301b are set by press fitting On the reaction unit 3; alternatively, the fourth upper spring 406a and the fourth lower spring 406b are disposed on the load unit 4 by press fitting.
  • FIG. 1 is a schematic structural view of an acoustic wave mixing device according to an embodiment of the present application
  • FIG. 2 is a cross-sectional structural view showing an acoustic wave mixing device according to an embodiment of the present application
  • FIG. 3 is a schematic structural view of a rack according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an excitation unit according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a reaction unit according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a load unit according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram showing the overall force of the acoustic wave mixing device according to the embodiment of the present application.
  • FIG. 8 is a diagram showing a third-order amplitude-frequency response diagram according to an embodiment of the present application.
  • FIG. 9 is a diagram showing a phase shift response of the third order described in the embodiment of the present application.
  • F is the exciting force
  • m i , c i , and k i are the masses, damping coefficients, and stiffness of each unit.
  • the mixing device consists of a frame (1), an excitation unit (2), a reaction unit (3) and a load unit (4).
  • the reaction unit (3) is located in the middle of the frame (1) and is connected to the upper plate (103) and the lower plate (101) of the frame (1) by the spring two (301a/b);
  • the excitation unit (2) is located at the reaction unit (3) In the middle, it is connected to the upper plate (302) and the lower plate (304) of the reaction unit (3) through the spring one (201a/b);
  • the load unit (4) is located between the frame (1) and the reaction unit (3). It is connected to the frame (1) and the reaction unit (3) by a spring three (403a/b) and a spring four (406a/b), respectively.
  • the mixing container (401) may be fixed to the load unit (4) or fixed to the reaction unit (3), or both the mixing unit (4) may be fixed on the load unit (4) and the reaction unit (3).
  • the excitation device of the excitation unit (2) may be an eccentric mechanical vibration exciter, an electromagnetic vibration exciter, or a hydraulic exciter.
  • the excitation device only generates the exciting force in the vertical direction, and drives the load unit and the reaction unit of the mixing device to be forced to vibrate.
  • the vibration frequency of the mixing device reaches the third-order natural frequency
  • the system generates a resonance effect
  • the load upper plate with a certain acceleration motion transmits the kinetic energy to the mixing container
  • the low-frequency sound waves are generated between the mixture materials in the container, breaking the boundary between the materials.
  • the amplitude and acceleration of the system become sharply large, the energy required by the system is minimal, and the energy generated by the system is used for the effective mixing of materials.
  • the movement direction of the load unit (4) and the reaction unit (3) is just opposite, and the generated forces cancel each other out.
  • the rack 1 includes a circular rack lower plate 101, and an annular frame upper plate 103 connected to the lower frame 101 via a plurality of rack posts 102. .
  • the reaction unit 3 is disposed in the frame 1; the reaction unit 3 includes an annular reaction upper plate 302, an annular reaction lower plate 304 connected to the reaction upper plate 302 via a plurality of reaction columns 303, and a reaction upper plate 302 and a frame upper plate.
  • a plurality of second upper springs 301a are press-fitted between 103, and a plurality of second upper springs 301a are evenly distributed; a plurality of second lower springs 301b are press-fitted between the reaction lower plate 304 and the lower frame 101 of the frame, and the plurality of The two lower springs 301b are evenly distributed; the second upper spring 301a and the second lower spring 301b are arranged in two groups, and the second upper spring 301a of each group coincides with the central axis of the second lower spring 301b.
  • the load unit 4 includes an annular load lower plate 407 placed between the reaction upper plate 302 and the reaction lower plate 304, and passes through the upper frame plate 103 and the second upper spring 301a and the reaction upper plate 302.
  • a load upper plate 402 connected to the load lower plate 407 and above the upper frame plate 103; a fourth upper spring 406a is pressed between the load lower plate 407 and the reaction upper plate 302, and the fourth upper spring 406a
  • the sleeve is disposed outside the load connecting rod 405; a fourth lower spring 406b corresponding to the fourth upper spring 406a is press-fitted between the load lower plate 407 and the reaction lower plate 304; and a plurality of spring guide columns are connected to the lower surface of the load upper plate 402.
  • the lower end of the spring guide post 404 passes through the upper frame 103; the portion of the spring guide post 404 on the upper frame 103 of the frame is provided with a third upper spring 403a, and the third upper spring 403a is press-fitted on the load upper plate 402 and the machine Between the upper plates 103; the portion of the spring guide post 404 located below the upper frame 103 of the frame is provided with a third lower spring 403b, and the third lower spring 403b is press-fitted to the lower plate flange of the frame upper plate 103 and the spring guide post 404. between.
  • the excitation unit 2 includes a fixing plate 202 disposed in the lower plate 407 of the load, and an excitation device connected to the fixed plate 202.
  • a plurality of first upper springs 201a are fixed between the fixed plate 202 and the reaction upper plate 302.
  • a plurality of first lower springs 201b disposed corresponding to the first upper spring 201a are press-fitted between the 202 and the reaction lower plate 304.
  • a mixing vessel 401 is also included; the mixing vessel 401 is secured to the load upper plate 402 of the load unit 4.
  • the upper surface of the upper frame 103 of the frame is provided with a recess for limiting the third upper spring 403a, and the lower surface is provided with a recess for limiting the third lower spring 403b.
  • the two recesses are correspondingly disposed, and a spring is provided at the two recesses.
  • a lower surface of the upper frame 103 of the frame is further provided with a recess for limiting the second upper spring 301a;
  • the upper frame 103 of the frame is provided with a hole for the load connecting rod 405 to pass through;
  • the upper surface of the plate 101 is provided with a recess for limiting the second lower spring 301b.
  • the upper surface of the reaction upper plate 302 is provided with a recess for limiting the second upper spring 301a, and the lower surface is provided with a recess for limiting the fourth upper spring 406a.
  • the two recesses are correspondingly arranged, and a load connection is provided at the two recesses.
  • the through hole of the rod 405 passes through; the reaction upper plate 302 is further provided with a through hole for the spring guide post 404 and the third lower spring 403b; the lower surface of the reaction upper plate 302 is further provided with a first upper spring 201a for limiting a concave portion; a lower surface of the reaction lower plate 304 is provided with a concave portion for limiting the second lower spring 301b, and an upper surface is provided with a concave portion for limiting the fourth lower spring 406b, and the two concave portions are correspondingly disposed; The upper surface of the reaction lower plate 304 is further provided with a recess for limiting the first lower spring 201b.
  • the reaction lower plate 304 is provided with a large hole for reducing the weight.
  • the upper surface of the load lower plate 407 is provided with a recess for limiting the fourth upper spring 406a, and the lower surface is provided with a recess for limiting the fourth lower spring 406b, and the two recesses are correspondingly arranged; the load lower plate 407 is provided with a reaction post 303. Through the hole.
  • the lower surface of the load upper plate 402 is provided with a recess for limiting the third upper spring 403a.
  • the reaction lower plate 304 is provided with a large hole for reducing the weight.
  • the mixing container 401 is one and is fixed to the load upper plate 402 of the load unit 4.
  • the mixing containers 401 are two, one fixed to the load unit 4 and the other fixed to the reaction unit 3.
  • the load unit 4 and the reaction unit 3 move in opposite directions, and the generated forces cancel each other out, and the force of the mixer on the ground is zero.
  • the hybrid device operates at a third order natural frequency, causing the system to resonate.
  • the mixing device When the mixing device is in a resonant state, the material in the container generates low-frequency sound waves, and the energy is all used for mixing between the materials, so that the materials are quickly and efficiently mixed.
  • the system resonance amplitude is less than 15mm, the resonance frequency range is 60 ⁇ 5Hz, and the maximum acceleration is 200g.
  • the present invention analyzes the phase frequency response and the amplitude-frequency response characteristic of a three-degree-of-freedom vibration system under a given set of mass, damping and stiffness parameters, and finds that when the first-order natural frequency and the second-order natural frequency are operated, The load unit and the reaction unit move in the same direction, causing the entire mixing device to vibrate too much, which is not conducive to the mixing work.
  • the load unit and the reaction unit move in opposite directions, the amplitude is close, and the force generated by the load unit and the reaction unit cancels each other inside the mixing device, and the mixing device does not generate ground force, so the third is selected.
  • the natural frequency of the order is used as the operating frequency. See Figure 8 and Figure 9.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of a full device embodiment, an entirely software embodiment, or an embodiment in combination with software and device.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)

Abstract

L'invention concerne un dispositif de mélange d'ondes sonores faisant appel à un système de résonance à trois degrés de liberté, qui comprend un bâti (1), une unité d'excitation (2), une unité de contre-action (3) et une unité de charge (4). L'unité de contre-action (3) est située au milieu du bâti (1) et est reliée à une plaque supérieure (103) et à une plaque inférieure (101) du bâti (1) au moyen d'un second ressort (301). L'unité d'excitation (2) est située au milieu de l'unité de contre-action (3) et est reliée à une plaque supérieure (302) et à une plaque inférieure (304) de l'unité de contre-action (3) au moyen d'un premier ressort (201). L'unité de charge (4) est située entre le bâti (1) et l'unité de contre-action (3) et est reliée séparément au bâti (1) et à l'unité de contre-action (3) au moyen d'un troisième ressort (403) et d'un quatrième ressort (406). Une enceinte de mélange (401) peut être fixée sur l'unité de charge (4) ou sur l'unité de contre-action (3), ou deux enceintes de mélange (401) sont fixées sur l'unité de charge (4) et l'unité de contre-action (3) en même temps.
PCT/CN2017/082590 2016-05-16 2017-04-28 Dispositif de mélange d'ondes sonores faisant appel à un système de résonance à trois degrés de liberté WO2017198065A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17798628.8A EP3459619B1 (fr) 2016-05-16 2017-04-28 Dispositif de mélange d'ondes sonores faisant appel à un système de résonance à trois degrés de liberté

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CN201610320677.2 2016-05-16
CN201610320677.2A CN106000198B (zh) 2016-05-16 2016-05-16 基于三自由度共振系统的声波混合装置

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CN106000198B (zh) * 2016-05-16 2018-03-13 湖北航鹏化学动力科技有限责任公司 基于三自由度共振系统的声波混合装置
CN106693807B (zh) * 2016-12-27 2019-04-19 西安近代化学研究所 一种基于对心曲柄滑块机构的振动声混合平台
CN106582402B (zh) * 2017-01-23 2019-04-19 西安近代化学研究所 三自由度共振混合装置
CN109224989A (zh) * 2017-07-11 2019-01-18 湖北航鹏化学动力科技有限责任公司 一种锂电池用正极材料的混合制备方法
CN109240148B (zh) * 2017-07-11 2020-06-23 湖北航鹏化学动力科技有限责任公司 一种共振式混合机的控制系统
CN109238607B (zh) * 2017-07-11 2020-06-23 湖北航鹏化学动力科技有限责任公司 一种三自由度共振装置的控制系统
CN109225020A (zh) * 2017-07-11 2019-01-18 湖北航鹏化学动力科技有限责任公司 一种电磁驱动的机械共振装置
CN107497347B (zh) * 2017-08-23 2019-12-03 西安交通大学 一种共振混合装置
CN108043305B (zh) * 2018-01-03 2020-09-11 湖北航鹏化学动力科技有限责任公司 一种固体推进剂药浆的无浆混合制备方法及系统
CN108325452B (zh) * 2018-02-20 2023-12-19 王金华 一种共振混合装置
CN110272820A (zh) * 2018-03-13 2019-09-24 深圳市安鑫宝科技发展有限公司 环介导等温核酸扩增检测装置及其应用
CN108612744B (zh) * 2018-07-02 2021-03-19 燕山大学 一种三自由度支承球轴承
KR102143619B1 (ko) * 2018-12-20 2020-10-16 한국기계연구원 상하진동과 비틀림진동의 동시 가진 시스템을 가진 혼합 장치와 급속 반응 및 증발기
CN111495252B (zh) * 2020-04-23 2021-08-20 华中科技大学 一种适用于复合含能材料的声共振连续混合设备
CN114082339A (zh) * 2021-12-23 2022-02-25 郑州磨料磨具磨削研究所有限公司 一种三质体声共振混合机
CN117772584A (zh) * 2023-12-26 2024-03-29 深圳华声强化技术有限公司 一种声学强化系统及方法

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EP3459619B1 (fr) 2020-06-03
CN106000198A (zh) 2016-10-12

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