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Preparation device of antimony trioxide for polyester

A technology of antimony trioxide and preparation device, which is applied in the directions of antimony oxide/antimony hydroxide/antimony oxyacid, inorganic chemistry, antimony compounds, etc., can meet the needs of market progress, the purity of antimony trioxide cannot be reached, etc. problem, to achieve the effect of high particle fineness, simple structure and convenient structure

Active Publication Date: 2017-01-11
湖州信倍连网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention has simple structure and low production cost. The preparation of antimony trioxide by using the present invention only needs compressed air instead of pure oxygen. Although the invention discloses a catalyst-grade antimony trioxide preparation device, with the advancement of science and technology progress, the purity of the antimony trioxide produced by it still cannot meet the needs of market progress

Method used

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  • Preparation device of antimony trioxide for polyester
  • Preparation device of antimony trioxide for polyester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as Figure 1-2 As shown, the inventive polyester antimony trioxide preparation device includes an antimony white furnace 1 and a crystallizer 11. The antimony white furnace 1 is provided with a connected front chamber 2, middle chamber 3 and breech chamber 4, and the top of the front chamber 2 is position, the upper position of the metal antimony liquid a is provided with a rotary blower 5, and the rotary blower 5 passes through a rotating member, such as a rotating rod, and is installed on the top of the front chamber 2. The outer surface of the rotary blower 5 is cylindrical, and the blowing holes are distributed according to the rotation line On the outer surface of the rotary blower, its wind source and power come from the exhaust fan (not shown in the figure).

[0030] Bottom blowpipe 7 and top blowpipe 6 are arranged at middle chamber 3, and bottom blowpipe 6 extends into metal antimony liquid a, and top blowpipe 6 passes antimony white furnace 1 and extends ...

Embodiment 2

[0035] In the present embodiment, the blowing volume 5 of the rotary blower is 180 3 / h, the blowing volume of the blowing pipe 7 at the bottom is 0.4MPa, and the flow rate is 250m 3 / h, all the other working principles are the same as in Example 1.

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Abstract

The invention discloses a preparation device of antimony trioxide for polyester. The preparation device comprises an antimony trioxide furnace and a reactor, and is characterized in that the antimony trioxide furnace comprises a front hearth, a middle hearth and a rear hearth which are communicated, wherein a rotary air blower is arranged at the top of the front hearth; a bottom blowpipe and a top blowpipe are arranged at the position of the middle hearth; the bottom blowpipe extends into molten antimony; the reactor is connected with the top of the rear hearth; a crystallizer is arranged at the top of the reactor.

Description

technical field [0001] The invention relates to an equipment method for producing antimony trioxide by fire method, in particular to a preparation device for antimony trioxide for polyester. Background technique [0002] The preparation of antimony trioxide for polyester is an important raw material in chemical production. As a catalyst for chemical reactions, it is required that the antimony trioxide not only have high purity, but also does not contain high-priced antimony tetroxide, and also requires High catalytic activity is required. At present, antimony trioxide for polyester is mainly prepared by fire method and wet method. [0003] Among the existing antimony trioxide equipment, some devices for preparing antimony trioxide are disclosed, [0004] In recent years, some published documents have reported methods for preparing antimony trioxide, such as: [0005] 1. Chinese patent, application number: CN201210097320.4, application date: 2012.04.05 Name: catalyst-grade...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G30/00C08G63/86
CPCC01G30/005C08G63/866
Inventor 郑香萍
Owner 湖州信倍连网络科技有限公司