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Crystallizing tank

A technology of crystallization tank and shell, which is applied in the field of cephalosporin sodium API production, which can solve the problems of crystallization dead angle and difficulty of conical bottom part, etc., and achieve the effect of complete crystallization

Inactive Publication Date: 2012-07-25
ZIBO WANCHANG TONGTAI PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The crystallization tanks in the prior art are all in the shape of a cone, and the conical part at the bottom is difficult to be stirred, and it is easy to leave a dead angle for crystallization

Method used

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Embodiment Construction

[0012] Such as figure 1 As shown, a crystallization tank includes a shell 1, the bottom of the shell 1 is a tapered part 5, the shell 1 is provided with a stirring shaft 2, and an impeller type stirring paddle 4 is provided at the lower part of the stirring shaft 1, and the impeller type stirring The paddle 4 is located in the conical shell 5 part of the shell 1, and three anchor-type stirring paddles 3 are also provided on the stirring shaft 1.

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Abstract

The invention relates to a crystallizing tank, which is specially used for producing a cephalosporin sodium raw material drug. The crystallizing tank comprises a conical shell and the shell is internally provided with an agitating shaft; the crystallizing tank is characterized in that an impeller type agitating paddle is arranged at the lower part of the agitating shaft; and the impeller type agitating paddle is arranged at a conical shell part of the shell; and the agitating shaft is further provided with a plurality of anchor-shaped agitating paddles. The crystallizing tank disclosed by the invention has the advantages of stable liquid flow, no turbulent flow, no dead angles and good crystallizing effect.

Description

Technical field [0001] The invention relates to a crystallization tank, which is dedicated to the production of cephalosporin sodium raw materials. Background technique [0002] Cephalosporin sodium usually includes three steps of condensation, salt formation and crystallization, and the crystallization is carried out in a crystallization tank. The prior art crystallization tanks are all cone-shaped, and the cone-shaped part of the bottom is difficult to be stirred, and crystallization is easy to leave dead corners. Summary of the invention [0003] The invention provides a crystallization tank, which is specially used for the production of ceftriaxone crystals such as cefotaxime sodium, cefotaxime acid, ceftriaxone sodium, ceftizole sodium and the like, and has good crystallization effects. [0004] The present invention specifically adopts the following technical solutions: [0005] A crystallization tank includes a cone-shaped shell and a stirring shaft is arranged in the shell. ...

Claims

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Application Information

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IPC IPC(8): B01D9/00
Inventor 徐益张守增关敏
Owner ZIBO WANCHANG TONGTAI PHARMA
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