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Apparatus and method of preparing titanium tetrachloride for chlorination of titanium-containing mineral

A technology of titanium tetrachloride and titanium minerals, applied in chemical instruments and methods, titanium halide, chemical/physical processes, etc., can solve the problems of difficulty in amplification, harsh raw material requirements, environmental pollution, etc., to expand the variety of raw materials, eliminate stickiness, etc. The effect of reducing risk and reducing environmental pollution

Inactive Publication Date: 2003-11-12
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to prepare the device and method for titanium tetrachloride by existing chlorination method to exist equipment investment is big, and raw material requirement is harsh, easily causes caking in reaction bed, the produced product yield is low, is difficult to enlarge, and The disadvantage of serious environmental pollution, thus providing a device and method suitable for large-scale industrial production for preparing titanium tetrachloride by chlorination of titanium-containing minerals

Method used

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  • Apparatus and method of preparing titanium tetrachloride for chlorination of titanium-containing mineral
  • Apparatus and method of preparing titanium tetrachloride for chlorination of titanium-containing mineral
  • Apparatus and method of preparing titanium tetrachloride for chlorination of titanium-containing mineral

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Effect test

Embodiment 3

[0041] according to figure 1 , Figure 2 and image 3 A set of equipment for preparing titanium tetrachloride by chlorination of titanium-containing minerals is prepared.

[0042] First, make a group of holes with a ratio of 0.4 and a diameter of 50 mm according to Figure 2; the center thickness of the distribution plate is 400 mm, and the thickness of the hole is 15 mm; the distance between the center of the hole and the center of the distribution plate is 200 mm; the apex angle of the conical surface is 150° stainless steel distribution plate.

[0043] press again figure 1 with image 3 , using the existing fast fluidized bed and turbulent fluidized bed alternately connected in series to make a 10-stage reaction bed, the distribution plate is set at the entrance of the turbulent fluidized bed, the inner diameter of the turbulent fluidized bed is 600mm, and the fast fluidized bed The inner diameter of the device is 140mm, and the device height is 42m.

[0044] The prepare...

Embodiment 5

[0055] according to figure 1 , Figure 2 and image 3 A set of equipment for preparing titanium tetrachloride by chlorination of titanium-containing minerals is prepared.

[0056] First, make a group of holes with a ratio of 0.3 and a diameter of 25mm according to Figure 2; the center thickness of the distribution plate is 200mm, and the thickness of the hole is 10mm; the distance between the center of the hole and the center of the distribution plate is 170mm; the apex angle of the conical surface is 100° stainless steel distribution plate.

[0057] press again figure 1 with image 3 , using the existing fast fluidized bed and turbulent fluidized bed alternately connected in series to make a five-stage reaction bed, the distribution plate is set at the entrance of the turbulent fluidized bed, the inner diameter of the turbulent fluidized bed is 400mm, and the fast fluidized bed The inner diameter of the device is 120mm, and the device height is 28m.

[0058] The prepared ...

Embodiment 7

[0068] according to figure 1 , Figure 2 and image 3 A set of equipment for preparing titanium tetrachloride by chlorination of titanium-containing minerals is prepared.

[0069] First, make a group of holes with a ratio of 0.4 and a diameter of 25 mm according to Figure 2; the center thickness of the distribution plate is 200 mm, and the thickness of the hole is 10 mm; the distance between the center of the hole and the center of the distribution plate is 170 mm; the apex angle of the conical surface is 100″ stainless steel distribution plate.

[0070] press again figure 1 with image 3 , using the existing fast fluidized bed and turbulent fluidized bed alternately connected in series to make a five-stage reaction bed, the distribution plate is set at the entrance of the turbulent fluidized bed, the inner diameter of the turbulent fluidized bed is 400mm, and the fast fluidized bed The inner diameter of the device is 120mm, and the device height is 28m.

[0071] The prepa...

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Abstract

The present invention relates to an equipment for preparing titanium tetrachloride by chlorination of titanium-containing mineral and its method. The upper hole of sealed storage tank is communicated with lower hole of preparation storage tank by pipe, the lower hole of the sealed storage tank is communicated with feeding hole of screw feeder the outlet of which is connected on the feeding hole of rapid reaction fluidized bed by a pipe, said rapid reaction fluidized bed has a gas inlet communicated with a gas pipe. Said fluidized bed is communicated with a condenser, which a gas-solid cyclone separator is connected, its upper portion has a product outlet and its lower portion has a waste material outlet. Said method includes: chlorination reaction, fluidized bed reaction, cooling and gas-solid separation.

Description

technical field [0001] The invention relates to the technical field of titanium dioxide production by chlorination, in particular to a device and a method for preparing titanium tetrachloride by chlorinating titanium-containing minerals. Background technique [0002] Titanium tetrachloride produced by chlorination of titanium-containing minerals is an intermediate product in the production of titanium products such as titanium dioxide and sponge titanium by chlorination. Currently, TiCl is produced by chlorination 4 The current industrial methods mainly include molten salt chlorination and boiling chlorine. [0003] The molten salt chlorination method is to suspend finely ground titanium slag and petroleum coke in molten salt (made of KCl, NaCl, MgCl 2 , CaCl 2 etc.) medium, a method of producing titanium tetrachloride by introducing chlorine gas for chlorination. The chlorination principle is that the chlorine gas introduced is strongly mixed and stirred for the molten s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/26C01G23/02
Inventor 王中礼袁章福黄文来郭慕孙李静海
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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