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TiCl4 refining continuous vitriol alum removing process

A technology of equipment and distillation kettle, applied in the direction of titanium halide, etc., can solve the problems of blockage of heat exchanger and low production cost, and achieve the effect of reducing labor level, simple operation and excellent product quality.

Inactive Publication Date: 2010-07-14
常松峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a TiCl4 refining continuous alum removal equipment, which has low production cost, can solve the problems of heat exchanger blockage and material stirring, realize continuous production, improve the working environment, and reduce the labor intensity of workers

Method used

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  • TiCl4 refining continuous vitriol alum removing process
  • TiCl4 refining continuous vitriol alum removing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] As shown in Figure 1, the TiCl4 refined and de-aluminum special equipment is composed of a crude titanium high-level tank, a circulation pump, a heat exchanger, a mixer, a distillation kettle, an alum slurry tank, a packed tower, a condenser, a semi-finished product tank, a mineral oil tank, The metering pump is composed of a circulation pump, heat exchanger, mixer and distillation kettle to form a circulation system. The mineral oil tank is connected to the inlet of the mixer through the metering pump, the gas phase outlet of the distillation kettle is connected to the inlet of the packed tower, and the condenser is connected to the packed tower. Between the tank and the semi-finished product tank, the inlet of the alum slurry tank is connected with the bottom outlet of the distillation still.

Embodiment 2

[0019] Taking crude TiCl4 with a production capacity requirement of 3.5 tons / hour as an example, the crude TiCl4 is pumped into the high-level tank of crude titanium, and the high-level tank of crude titanium supplies materials to the circulation system composed of distillation kettle, circulating pump, heat exchanger and mixer. until the system is full. Start the circulation pump to circulate the material, start the heat exchanger to heat the material to 145 ° C; according to the mass ratio of mineral oil to crude TiCl4 1.6:1000, add the mineral oil from the mineral oil tank to the inlet of the mixer after metering by the metering pump, so that the mineral The oil and the impurity VOCl3 in TiCl4 fully contact and react at a temperature close to the boiling point of TiCl4 to generate high boiling point substances. The supplemented crude TiCl4 enters the circulation system from the crude titanium head tank through the inlet of the circulation pump, and the supplemented mineral ...

Embodiment 3

[0021] Taking crude TiCl4 with a production capacity requirement of 1.0 tons / hour as an example, put the crude TiCl4 into the high-level tank, and feed the crude titanium high-level tank to the circulation system composed of distillation kettle, circulation pump, heat exchanger and mixer until the system is full. until. Start the circulation pump to circulate the material, start the heat exchanger to heat the material to 137 ° C; according to the mass ratio of mineral oil to crude TiCl4 1.2:1000, add the mineral oil from the mineral oil tank to the inlet of the mixer after metering by the metering pump, so that the mineral The oil and the impurity VOCl3 in TiCl4 fully contact and react at a temperature higher than the boiling point of TiCl4 to generate high boiling point substances. The supplemented crude TiCl4 enters the circulation system from the crude titanium head tank through the inlet of the circulation pump, and the supplemented mineral oil enters the mixer through the...

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Abstract

The invention relates to a process and a special device for refining and removing alum continuously for TiCL4, which solves the problems that the TiCL4 has production cost, needs frequent washing, replacement and supplementation of copper wires, can not implement continuous operation, has high labor intensity and cause environmental pollution. The process is as follows: mineral oil and rough TiCL4 is added into a circulating system according to a proportion of between 1.2 to 1000 and 1.6 to 1000, and VOCL3 in the mineral oil and the TiCL4 contacts adequately and react to generate a high boil point matter; materials are forced to be circulated and heated by a circulating pump, and the heating temperature is between 137 and 145 DEG C; the mineral oil and the TiCL4 are continuously added into the circulating system according to the output requirement, so as to realize the continuous production; a semi-finished product of the TiCL4 is obtained after distillation, and the high boil point matter and other high boil point impurities in the distillation are removed. The special device for finely producing and removing alum continuously for the TiCL4 consists of a rough tatinium overhead tank, the circulating pump, a heat exchanger, a mixer, a distillation kettle, an alum slurry tank, a packing tower, a condenser, a semi-finished tank, a mineral oil grove and a metering pump.

Description

technical field [0001] The invention relates to equipment for refining and continuously removing alum from TiCl4. Background technique [0002] The TiCl4 refined alum removal process now mostly uses copper wire to remove alum, and the use of copper wire to remove alum needs to consume about 5-7 kg of copper wire (400-500 yuan) per ton. Due to the high price of copper wire, the manufacturing cost of TiCl4 is relatively high, and the process of removing alum by copper wire requires frequent cleaning, replacement and replenishment of copper wire, so continuous operation cannot be realized. The cleaning process increases the labor intensity of workers and causes environmental pollution. Contents of the invention [0003] The object of the present invention is to provide a kind of TiCl4 refinement continuous alum removal equipment, its production cost is low, can solve heat exchanger clogging and material stirring problem, realize continuous production, improve working environ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G23/02
Inventor 常松峰
Owner 常松峰
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