CN201581069U - 发酵罐密封装置 - Google Patents

发酵罐密封装置 Download PDF

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CN201581069U
CN201581069U CN 200920180858 CN200920180858U CN201581069U CN 201581069 U CN201581069 U CN 201581069U CN 200920180858 CN200920180858 CN 200920180858 CN 200920180858 U CN200920180858 U CN 200920180858U CN 201581069 U CN201581069 U CN 201581069U
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ring
stationary ring
chassis
tank body
upper cover
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刘玉祥
代睿
王德强
尹瑞明
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Xinyu pharmaceutical Limited by Share Ltd
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ANHUI WANBEI PHARMACEUTICAL Co Ltd
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00Constructional details, e.g. recesses, hinges
    • C12M23/02Form or structure of the vessel
    • C12M23/04Flat or tray type, drawers
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00Constructional details, e.g. recesses, hinges
    • C12M23/38Caps; Covers; Plugs; Pouring means
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
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Abstract

本实用新型涉及发酵罐密封装置,包括弹簧座(1),弹簧座(1)通过弹簧(2)、螺栓与动环(3)连接,弹簧座与动环间还设有O型密封圈(5),动环下设有静环(6),静环(6)通过静环压盖(4)固定在底盘(8)上,在静环(6)和底盘(8)间还设有石棉密封圈(7),底盘设在罐体上封头(9)上,其特征在于:底盘(8)中部为罐口法兰,罐口法兰上设有静环底座,罐口法兰下与罐体上封头(9)相配合;底盘边缘与罐体上封头焊接连接。本实用新型的有益效果是完全避免了因传统机械密封结构的不合理性引起的染菌问题,整体结构简单,便于加工及装配。

Description

发酵罐密封装置
技术领域
本实用新型涉及一种发酵设备密封装置,尤其应用在生物发酵罐上的机械密封装置。
背景技术
目前,现有生物发酵罐上的机械密封装置,其传统结构是由弹簧座、弹簧、动环、静环压盖、O形密封圈、静环、石棉密封垫一、底盘、内套、石棉密封垫二、静环底座构成,传统机械密封结构中多了一处泄漏点,即静环底座与底盘之间有石棉密封垫二;同时又多了一处死角,即静环底座与底盘之间有着不可能太大的间隙;另外内套与静环底座存在着配合精度,该机械密封结构中泄漏点多,死角多,结构复杂,加工量大且难加工;总体上整套结构安装起来比较复杂,最大的弊端是极容易造成染菌。
实用新型内容
本实用新型的目的就是为了克服现有机械密封装置易染菌,结构复杂且安装不便的缺陷,而提供一种发酵罐密封装置,该装置结构合理,从根本上避免了机械密封装置与发酵罐体的连接存在死角而引起的染菌问题。
本实用新型解决其技术问题所采用的技术方案是:
发酵罐密封装置,包括弹簧座,弹簧座通过弹簧、螺栓与动环连接,弹簧座与动环间还设有密封圈,动环下设有静环,静环通过静环压盖、螺栓固定在底盘上,在静环和底盘间还设有石棉密封圈,底盘设在罐体上封头上,其特征在于:底盘中部为罐口法兰,罐口法兰与罐体上封头相配合;底盘边缘与罐体上封头焊接连接。
罐口法兰上设有与静环底部相配合的静环底座,静环通过静环压盖直接固定在底盘上。
动环与静环表面接触,动环相对静环转动,而使两接触面形成一个径向密封。
在上述的主要技术方案的基础上,可以增加以下进一步完善的技术方案:
罐口法兰下边缘伸出罐体上封头内侧3-5mm,并与罐体上封头焊接连接。
底盘边缘为弧面,底盘边缘弧面曲率半径与罐体上封头外缘的曲率半径一致。
静环下端为锥形,静环下端外锥面斜度与静环压盖内孔锥面斜度一致。
本实用新型的有益效果是完全避免了因传统机械密封结构的不合理性引起的染菌问题,整体结构简单,便于加工及装配。
下面结合附图和实施例对本实用新型进一步说明。
附图说明:
图1为本实用新型的主视图。
如图1.弹簧座、2.弹簧、3.动环、4.静环压盖、5.O形密封圈、6.静环、7.石棉密封垫、8.底盘,9.罐体上封头、10.搅拌轴。
具体实施方式
如图1所示,本实用新型发酵罐密封装置,包括底盘8,底盘中部为罐口法兰,罐口法兰下与罐体上封头9相配合,底盘边缘弧面曲率半径与罐体上封头外缘的曲率半径一致,底盘边缘与罐体上封头焊接连接,罐口法兰下边缘与罐体上封头内侧设有3-5mm间隙,并与罐体上封头焊接连接,罐口法兰上设有与静环6底部相配合的静环底座,静环下端为锥形,静环下端外锥面斜度与静环压盖4内孔锥面斜度一致,静环通过静环压盖、螺栓直接固定在底盘上,在静环压盖和底盘上的静环底座间还设有石棉密封圈7用于密封,静环6上设有动环3,动环3通过弹簧2、螺栓与弹簧座1连接,弹簧座与动环间还设有O型密封圈5用于密封,弹簧座通过径向螺栓与搅拌轴10固定连接。
弹簧座1、弹簧2、动环3、O型密封圈5组合为可上下调整的一体,与搅拌轴是相对静止的(即随着搅拌轴一起同速转动的,同时O型密封圈5起到轴向密封作用),转动时与静环6摩擦接触形成径向密封作用,通过螺栓上下调整时,可调整两摩擦密封面间的接触力大小,从而调节两摩擦密封面间的密封效果。

Claims (4)

1.发酵罐密封装置,包括弹簧座(1),弹簧座(1)通过弹簧(2)、螺栓与动环(3)连接,弹簧座与动环间还设有O型密封圈(5),动环下设有静环(6),静环(6)通过静环压盖(4)固定在底盘(8)上,在静环(6)和底盘(8)间还设有石棉密封圈(7),底盘设在罐体上封头(9)上,其特征在于:底盘(8)中部为罐口法兰,罐口法兰上设有静环底座,罐口法兰下与罐体上封头(9)相配合;底盘边缘与罐体上封头焊接连接。
2.根据权利要求1所述的发酵罐密封装置,其特征在于:罐口法兰下边缘伸出罐体上封头(9)内侧3-5mm,并与罐体上封头焊接连接。
3.根据权利要求1所述的发酵罐密封装置,其特征在于:底盘(8)边缘为弧面,弧面曲率半径与罐体上封头外缘的曲率半径一致。
4.根据权利要求1所述的发酵罐密封装置,其特征在于:静环(6)下端为锥形,外锥面斜度与静环压盖(4)内孔锥面斜度一致。
CN 200920180858 2009-11-30 2009-11-30 发酵罐密封装置 Expired - Lifetime CN201581069U (zh)

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Patentee after: Xinyu pharmaceutical Limited by Share Ltd

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Granted publication date: 20100915

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