A bottom stirring tank

Abstract

The invention relates to a kettle bottom stirring tank, and belongs to the field of chemical industry mixing and stirring equipment. According to the kettle bottom stirring tank, a stirring device is arranged inside a reaction kettle; the lower part of the stirring device is provided with a stirring shaft; a transmission device is fixed on the bottom of the reaction kettle; an integrated assembly type combination mechanical sealing is arranged between the transmission device and the bottom of the reaction kettle; a self-aligning bearing and a transition shaft are designed to penetrate through the lower part of the integrated assembly type combination mechanical sealing, and are fixed; and the integrated assembly type combination mechanical sealing and the self-aligning bearing are the integrated member. The kettle bottom stirring tank of the present invention has characteristics of simple structure, good sealing performance, and shaft swing reduction so as to reduce eccentric wear damages of lip packing and throttling barrel liner, and eliminate sealing leakage accident.

Description

technical field [0001] The invention relates to a stirring tank at the bottom of a still, which belongs to the field of chemical mixing and stirring equipment. Background technique [0002] With the development of modern industry, chemical equipment is gradually becoming large-scale, and the reaction kettle is also showing a trend of large-scale. For large-scale reactors, most of them are installed vertically. In the prior art, the top-entry structure is mostly used. In this top-entry structure, the stirring shaft needs to extend from the top of the kettle to the bottom of the kettle, so there is a stirring shaft The problem of too long, and too long agitator shaft will cause many problems. For example, in order to ensure the torsional strength of the agitator shaft, the shaft diameter needs to be thickened. If the shaft diameter is thickened, the support must be strengthened, which will increase the weight and processing costs. Bottom mixing is prone to seal leakage accide...

AI Technical Summary

Problems solved by technology

Bottom mixing is prone to seal leakage accidents during operation. The reason is that the swing of the shaft is too large, far exceeding the limit value of the seal. There is no bearing in the seal, and the stirring shaft has no bearing positioning. The flow bush is worn out to damage

Images