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side mixer

An agitator and side-type technology, applied in the field of solution stirring device and its sealing structure, can solve the problems of easy leakage and large vibration, and achieve the effects of reliable operation, small vibration and high rigidity

Active Publication Date: 2016-04-13
NANTONG CELLULOSE FIBERS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Purpose of the invention: To solve the problem of large vibration and easy leakage of the traditional side agitator, and provide a side agitator with high rigidity, good sealing performance and long service life

Method used

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Embodiment 1

[0029] Such asfigure 1 The shown leak-proof side agitator has a stirring main shaft 6 , a stirring impeller 8 , a side support base 12 , a sealing seat 2 , a drive motor 10 , and a reduction box 9 . A floating bearing 7 is set on the stirring main shaft 6 between the stirring impeller 8 and the side support base 12. The distance is 1 / 10 of the distance between the stirring impeller 8 and the side support base 12 (selecting this value is the best ratio determined by further considering the internal size of the container where the stirrer is placed and the total length of the stirring main shaft. The purpose is to maximize the stirring effect of the triangular support while ensuring the stability of the stirring main shaft); between the floating bearing 7 and the side support base 12, an open-structured triangular support frame 5 is connected, and the triangular support frame 5 has a long The support arm and the short support arm, the long support arm has a telescopic structure ...

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Abstract

The invention provides a leakproof side-type stirrer. The leakproof side-type stirrer is provided with a stirring main shaft, a stirring impellor, a side surface bearing base, a seal holder, a driving motor and a speed reduction box body; the stirring main shaft is also sleeved with a floating bearing; the distance between the floating bearing and the stirring impellor is 1 / 5-1 / 20 of the distance between the stirring impellor and the side surface bearing base; the side surface bearing base and the stirring main shaft are not perpendicular; a triangle support frame is connected between a floating bearing and the side bearing base so as to intensify the rigidity of the main shaft. The floating bearing is made of PTFE-type materials; the matched surface of the floating bearing and the stirring main shaft is subjected to ceramic spraying. A front-channel spiral seal and a rear-channel mechanical seal are adopted for the seal holder; certain liquids are stored in a throat diameter of a spiral seal sleeve so as to prevent the mechanical seal from being burned and damaged because of no liquid cooling instantly. The floating bearing provided by the invention ensures that the rigidity of the stirring main shaft is high, ensures the running stability is good, and ensures the vibration is tiny; moreover, the seal effect of a stirring main shaft seal is good; the maintenance cycle of the shaft seal is prolonged greatly; the maintenance cost is reduced greatly.

Description

technical field [0001] The invention relates to a solution stirring device which can be installed on the side wall of a chemical container and its sealing structure. Background technique [0002] Preventing leakage of pipes or containers is a difficult problem in mechanical installation and maintenance. However, the leakage of the side-type stirring spindle seal is even more difficult. For a long time, people have regarded the sealing problem in mechanical equipment as a profession, and carried out technical research and discussion, so that the sealing material and sealing form have been continuously developed in innovation. [0003] Existing technology or existing equipment status: [0004] 1) From the perspective of sealing form, the stirring main shaft is in a horizontal state, and the sealing form of the main shaft is filled with PTFE packing. This type of sealing has incomplete sealing, and a certain amount of medium leakage is required to ensure the cooling and lubri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F7/02B01F15/00
Inventor 刘峰黄骅黄建昌冯展
Owner NANTONG CELLULOSE FIBERS CO LTD