WO2014086184A1 - 易清洗无死角磁力搅拌装置 - Google Patents

易清洗无死角磁力搅拌装置 Download PDF

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Publication number
WO2014086184A1
WO2014086184A1 PCT/CN2013/083386 CN2013083386W WO2014086184A1 WO 2014086184 A1 WO2014086184 A1 WO 2014086184A1 CN 2013083386 W CN2013083386 W CN 2013083386W WO 2014086184 A1 WO2014086184 A1 WO 2014086184A1
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WIPO (PCT)
Prior art keywords
rotor
stator
easy
stirring shaft
magnetic stirring
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PCT/CN2013/083386
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English (en)
French (fr)
Inventor
顾警钟
童怀仁
钱芬
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上海高机生物工程有限公司
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Publication of WO2014086184A1 publication Critical patent/WO2014086184A1/zh

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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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
    • B01F33/4531—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements using an axis supported in several points for mounting the stirring element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/352—Bearings

Definitions

  • the invention relates to a stirring device, in particular to an easy-cleaning and dead angle magnetic stirring device.
  • the technical problem to be solved by the present invention is to provide an easy-to-clean non-dead angle magnetic stirring device It can be used in biological culture, food, and pharmaceutical equipment with strict sterility requirements.
  • the technical solution of the easy-cleaning dead angle magnetic stirring device of the present invention is:
  • the utility model comprises a stirring shaft, the stirring shaft is fixedly connected with the rotor; the outer side of the rotor is provided with a stator; an isolation sleeve is arranged between the stator and the rotor; the isolation sleeve is fixedly connected with the stator, a gap is formed between the isolation sleeve and the rotor; and the bottom of the isolation sleeve is connected with the bearing seat
  • the bearing seat is fixedly disposed on the flange; the bearing seat is sleeved on the stirring shaft, the bearing seat supports the stirring shaft through the bearing; the cavity is formed between the bearing seat and the stirring shaft; the head space of the isolation sleeve passes through the gap and the The cavities are connected to each other as a cleaning and sterilization passage.
  • the top of the isolation sleeve is provided with a top interface.
  • the rotor is a brushless motor rotor and the stator is a brushless motor stator.
  • the rotor is a magnetic steel rotor and the stator is a stator coil.
  • An upper sealing ring is disposed between the isolation sleeve and the connecting surface of the bearing housing.
  • a lower sealing ring is disposed between the bearing seat and the connecting surface of the flange.
  • the rotor is fixedly connected to the agitator shaft by bolts.
  • the invention separates the stirring shaft, the rotor and the bearing inside the device from the outside of the device through the isolation sleeve and the bearing seat, and can function as a sealing without a dynamic sealing member.
  • the hermetic isolation effect of the present invention is significant, no dynamic seals are required, and the static seals are also reduced to a minimum number, using only two seal rings.
  • the invention is easy to clean without dead angle, easy to clean and sterilize, simple in structure, simple in maintenance and low in cost, and is very suitable for cell culture, microbial culture, food production, pharmaceutical and the like with strict aseptic requirements.
  • FIG. 1 is a schematic view showing the structure of an easy-to-clean, dead angle magnetic stirring apparatus according to the present invention.
  • the invention is easy to clean and has no dead angle magnetic stirring device.
  • a stirring shaft 1 comprising a stirring shaft 1 , one end of the stirring shaft 1 is fixedly connected to the impeller 2 , the other end of the stirring shaft 1 is fixedly connected to the rotor 3 ; the rotor 3 is fixedly connected with the stirring shaft 1 by bolts;
  • the outer side of the rotor 3 is provided with a stator 4; between the stator 4 and the rotor 3 is provided with a spacer sleeve 5; the spacer sleeve 5 is fixedly connected with the stator 4, a gap 11 is formed between the inner side wall of the spacer sleeve 5 and the rotor 3;
  • the bottom of the isolation sleeve 5 is connected to the bearing housing 6, and the bearing housing 6 is fixedly disposed on the flange 7; the bearing housing 6 is sleeved on the stirring shaft 1, and the bearing housing 6 supports the stirring shaft 1 through the bearing 8;
  • An upper sealing ring 9 is disposed between the connecting sleeve 5 and the connecting surface of the bearing housing 6;
  • a lower sealing ring 10 is disposed between the bearing seat 6 and the connecting surface of the flange 7;
  • a cavity 12 is formed between the bearing housing 6 and the stirring shaft 1; the flange 7 is used for fixing the connecting container, and the stirring shaft 1 and the impeller 2 are inserted into the inner cavity of the container;
  • the top space of the isolation sleeve 5 communicates with the cavity 12 through the gap 11 as a cleaning sterilization passage; the top of the isolation sleeve 5 is provided with a top interface 13;
  • the rotor 3 is a brushless motor rotor
  • the stator 4 is a brushless motor stator
  • the rotor 3 is a magnetic steel rotor
  • the stator 4 is a stator coil.
  • the cleaning liquid is connected to the top interface 13 of the spacer 5, the cleaning liquid enters from the top of the rotor 3, passes through the gap 11 between the rotor 3 and the spacer 5, and passes through the cavity between the bearing housing 6 and the stirring shaft 1. 12, finally arrived at the container .
  • the top interface 13 may not be provided on the top of the spacer 5 if it is not required to be cleaned or sterilized.
  • the invention is easy to clean without dead angle, easy to clean and sterilize, simple in structure, simple in maintenance, low in cost, very Suitable for cell culture, microbial culture, food production, pharmaceutical and other equipment with strict sterility requirements.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Accessories For Mixers (AREA)

Abstract

一种易清洗无死角磁力搅拌装置，包括搅拌轴（1），搅拌轴（1）固定连接转子（3）；转子（3）的外侧设置有定子（4）；定子（4）与转子（3）之间设置有隔离套（5）；隔离套（5）与定子（4）固定连接，隔离套（5）与转子（3）之间形成间隙（11）；隔离套（5）的底部连接轴承座（6），轴承座（6）固定设置于法兰（7）上；轴承座（6）套设于搅拌轴（1）上，轴承座（6）通过轴承（8）实现对搅拌轴（1）的支撑；轴承座（6）与搅拌轴（1）之间形成空腔（12）；隔离套（5）的顶部空间通过间隙（11）与空腔（12）相连通，作为清洗灭菌通道。隔离套（5）的顶部设置有顶部接口（13）。

Description

易清洗无死角磁力搅拌装置 技术领域
本发明涉及一种搅拌设备，具体涉及一种易清洗无死角磁力搅拌装置 。
背景技术
现有的搅拌设备，一般采用 电机+变速器+磁力 耦合器的形式 。这种搅拌设备结构复杂，清洗灭菌困难，无法适用于具有严格无菌要求的生物培养、食品、制药等设备。
技术问题
本发明所要解决的技术问题是提供一种易清洗无死角磁力搅拌装置 ，它可以用于具有严格无菌要求的生物培养、食品、制药设备。
技术解决方案
为解决上述技术问题，本 发明 易清洗无死角磁力搅拌装置 的技术解决方案为：
包括搅拌轴，搅拌轴固定连接转子；转子的外侧设置有定子；定子与转子之间设置有隔离套；隔离套与定子固定连接，隔离套与转子之间形成间隙；隔离套的底部连接轴承座，轴承座固定设置于法兰上；轴承座套设于搅拌轴上，轴承座通过轴承实现对搅拌轴的支撑；轴承座与搅拌轴之间形成空腔；隔离套的顶部空间通过间隙与所述空腔相连通，作为清洗灭菌通道。
所述隔离套的顶部设置有顶部接口。
所述转子为无刷电机转子，定子为无刷电机定子。
所述转子为磁钢转子，定子为定子线圈。
所述隔离套与轴承座的连接面之间设置有上密封圈。
所述轴承座与法兰的连接面之间设置有下密封圈。
所述转子通过螺栓实现与搅拌轴的固定连接。
 有益效果
本发明通过隔离套和轴承座将设备内部的搅拌轴、转子、轴承与设备外部进行隔离，无需动态密封件就可以起到密闭作用。
本发明的 密闭隔离效果明显，无需动态密封件，静态密封件也减少到最低数量，仅用了二个密封圈。
本发明易清洗无死角，清洗和灭菌容易实现，结构简单，维修简便，成本低，非常适合具有严格无菌要求的细胞培养、微生物培养、食品生产、制药等设备。
 附图说明
图1是本发明 易清洗无死角磁力搅拌装置的结构示意图。
本发明的实施方式
如图1所示，本发明易清洗无死角磁力搅拌装置 ，包括搅拌轴1，搅拌轴1的一端固定连接叶轮2，搅拌轴1的另一端固定连接转子3；转子3通过螺栓实现与搅拌轴1的固定连接；
转子3的外侧设置有定子4；定子4与转子3之间设置有隔离套5；隔离套5与定子4固定连接，隔离套5的内侧壁与转子3之间形成间隙11；
隔离套5的底部连接轴承座6，轴承座6固定设置于法兰7上；轴承座6套设于搅拌轴1上，轴承座6通过轴承8实现对搅拌轴1的支撑；
隔离套5与轴承座6的连接面之间设置有上密封圈9；
轴承座6与法兰7的连接面之间设置有下密封圈10；
轴承座6与搅拌轴1之间形成空腔12；法兰7用于固定连接容器，搅拌轴1及叶轮2伸入容器的内腔；
隔离套5的顶部空间通过间隙11与空腔12相连通，作为清洗灭菌通道；隔离套5的顶部设置有顶部接口13；
转子3为无刷电机转子，定子4为无刷电机定子；
或者转子3为磁钢转子，定子4为定子线圈。
采用蒸汽灭菌时，将外部蒸汽接入 隔离套5的顶部接口13， 蒸汽从转子3顶部进入，通过转子3与隔 离 套5之间的间隙11，经轴承座6与搅拌轴1之间的 空腔12，最后到达容器 ；
也可以利用 容器 内部的蒸汽，蒸汽通过轴承座6与搅拌轴1之间的 空腔12 ，经转子3与隔 离 套5之间的间隙11到 达 转子3顶部，最后从 隔离套5的顶部接口13 引出。
清洗时，将清洗液接入隔离套5的顶部接口13，清洗液从转子3顶部进入，通过转子3与隔离套5之间的间隙11，经轴承座6与搅拌轴1之间的 空腔12 ，最后到达容器 。
如无需清洗或灭菌， 隔离套5的顶部可以不设顶部接口13。
 工业实用性
本发明易清洗无死角，清洗和灭菌容易实现，结构简单，维修简便，成本低，非常 适合具有严格无菌要求的细胞培养、微生物培养、食品生产、制药等设备。

Claims (1)

  1. 1 ．一种 易清洗无死角磁力搅拌装置，其特征在于：包括搅拌轴，搅拌轴固定连接转子；转子的外侧设置有定子；定子与转子之间设置有隔离套；隔离套与定子固定连接，隔离套与转子之间形成间隙；隔离套的底部连接轴承座，轴承座固定设置于法兰上；轴承座套设于搅拌轴上，轴承座通过轴承实现对搅拌轴的支撑；轴承座与搅拌轴之间形成空腔；隔离套的顶部空间通过间隙与所述空腔相连通，作为清洗灭菌通道。
    2 ．根据权利要求1所述的易清洗无死角磁力搅拌装置，其特征在于：所述隔离套的顶部设置有顶部接口。
    3 ．根据权利要求1或2所述的易清洗无死角磁力搅拌装置，其特征在于：所述转子为无刷电机转子，定子为无刷电机定子。
    4 ．根据权利要求1或2所述的易清洗无死角磁力搅拌装置 ，其特征在于：所述转子为磁钢转子， 定子为定子线圈。
    5 ．根据权利要求1所述的易清洗无死角磁力搅拌装置，其特征在于：所述隔离套与轴承座的连接面之间设置有上密封圈。
    6 ．根据权利要求1或5所述的易清洗无死角磁力搅拌装置，其特征在于：所述轴承座与法兰的连接面之间设置有下密封圈。
    7 ．根据权利要求1所述的易清洗无死角磁力搅拌装置，其特征在于：所述转子通过螺栓实现与搅拌轴的固定连接。
PCT/CN2013/083386 2012-12-06 2013-09-12 易清洗无死角磁力搅拌装置 WO2014086184A1 (zh)

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CN111621401A (zh) * 2020-06-11 2020-09-04 连云港百仑生物反应器科技有限公司 一种磁力搅拌发酵罐

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CN203030230U (zh) * 2012-12-06 2013-07-03 上海高机生物工程有限公司 易清洗无死角磁力搅拌装置
CN104549027A (zh) * 2013-10-29 2015-04-29 上海高机生物工程有限公司 能够实现清洗灭菌的磁力耦合搅拌装置
CN104549026A (zh) * 2013-10-29 2015-04-29 上海高机生物工程有限公司 端面磁力耦合可实现清洗灭菌的磁力搅拌装置
CN109852106A (zh) * 2018-12-05 2019-06-07 沈阳工业大学 一种碳化硅表面抗氧化白色涂层材料及其制备方法

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CN111621401A (zh) * 2020-06-11 2020-09-04 连云港百仑生物反应器科技有限公司 一种磁力搅拌发酵罐
CN111621401B (zh) * 2020-06-11 2022-06-07 连云港百仑生物反应器科技有限公司 一种磁力搅拌发酵罐

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