CN111533164A - Vanadium removal method for titanium tetrachloride in boiling chlorination system - Google Patents
Vanadium removal method for titanium tetrachloride in boiling chlorination system Download PDFInfo
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Abstract
A method for removing vanadium from titanium tetrachloride in a boiling chlorination system comprises the steps of conveying carbon-containing slurry into a crude titanium tetrachloride processor from a carbon-containing slurry tank, mixing the carbon-containing slurry with crude titanium tetrachloride liquid to obtain mixed slurry, returning the mixed slurry into a quenching pipe, mixing the mixed slurry atomized by an atomizing nozzle with vapor-phase titanium tetrachloride to react to generate vanadyl dichloride, conveying the vanadyl dichloride into a dust collector along with the vapor-phase titanium tetrachloride, collecting and processing the vanadyl dichloride by the dust collector, conveying the vapor-phase titanium tetrachloride in the dust collector into a titanium tetrachloride leaching tower from a gas outlet of the dust collector to leach, conveying the obtained titanium tetrachloride liquid into a titanium tetrachloride storage tank, settling the obtained titanium tetrachloride liquid in the titanium tetrachloride storage tank, and supplying the obtained crude titanium tetrachloride liquid to the crude titanium tetrachloride. The advantages are that: vanadium removal treatment is directly carried out in the boiling chlorination system, so that vanadium in titanium tetrachloride can be effectively removed, and stable and continuous production of the boiling chlorination system is ensured; and the carbon-containing slurry can be stably treated without additional steam heating or electric heating.
Description
Technical Field
The invention relates to a method for removing vanadium from titanium tetrachloride in a boiling chlorination system.
Background
At present, the large-scale boiling chlorination production of titanium tetrachloride is industrially produced in China, high titanium slag in production raw materials contains 0.1-0.2% of vanadium impurities, vanadium oxychloride is generated in the boiling chlorination reaction process, and the differences between the boiling points and the relative volatilities of the titanium tetrachloride and the vanadium oxychloride are small, so that the titanium tetrachloride and the vanadium oxychloride are not suitable for separation by adopting a physical method for rectification operation.
In industrial production, the titanium tetrachloride can be used for removing vanadium by using mineral oil, such as "a process and a system for purifying titanium tetrachloride and removing vanadium" disclosed in CN 103011269A. In the process of removing vanadium from mineral oil, the crude titanium tetrachloride slurry containing vanadyl dichloride needs to be recovered, and the mineral oil is partially carbonized in a vanadium removing tower, so that the crude titanium tetrachloride slurry containing vanadyl dichloride contains carbon, which is also called carbon-containing slurry. At present, the carbon-containing slurry is subjected to evaporation and condensation treatment by adopting methods such as steam or electric heating, although the treatment method is simpler, the energy consumption in the treatment process is higher, and the production cost is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for removing vanadium from titanium tetrachloride in a boiling chlorination system, wherein vanadium removal treatment is directly carried out in the boiling chlorination system, so that vanadium in the titanium tetrachloride can be effectively removed, and the stable and continuous production of the boiling chlorination system is ensured; and the carbon-containing slurry can be stably treated without additional steam heating or electric heating.
The technical solution of the patent of the invention is as follows:
a method for removing vanadium from titanium tetrachloride in a boiling chlorination system comprises the following specific steps:
a system for removing vanadium by adopting boiling chlorination comprises a boiling chlorination furnace, and is characterized in that: the outlet of the boiling chlorination furnace is connected with a dust collector through a quenching pipe, the gas outlet of the dust collector is sequentially connected with a titanium tetrachloride leaching tower and a titanium tetrachloride storage tank through pipelines, the bottom coarse titanium tetrachloride liquid outlet of the titanium tetrachloride storage tank is connected with a coarse titanium tetrachloride processor through a pipeline, the mixed slurry outlet of the coarse titanium tetrachloride processor is communicated with the quenching pipe through a mixed slurry pipeline, and the discharge port of the mixed slurry pipeline is provided with an atomizing nozzle; a carbon-containing slurry inlet of the crude titanium tetrachloride processor is connected with a carbon-containing slurry tank through a carbon-containing slurry pipeline; the slurry pump I is arranged on the mixed slurry pipeline, and the slurry pump II is arranged on the carbon-containing slurry pipeline.
The method comprises the steps of pumping carbon-containing slurry generated by purifying titanium tetrachloride and removing vanadium by mineral oil into a carbon-containing slurry tank, continuously and stably pumping the carbon-containing slurry into a crude titanium tetrachloride processor by a slurry pump II at the top of the carbon-containing slurry tank, mixing the carbon-containing slurry with crude titanium tetrachloride liquid to obtain mixed slurry, continuously and stably supplying the crude titanium tetrachloride liquid in the crude titanium tetrachloride processor through a titanium tetrachloride storage tank, returning the mixed slurry into a quench pipe through a slurry pump I to stabilize the liquid level of the mixed slurry in the crude titanium tetrachloride processor, mixing the mixed slurry atomized by an atomizing nozzle with vapor-phase titanium tetrachloride generated by a boiling chlorination reaction in a boiling chlorination furnace, reacting vanadyl trichloride in the vapor-phase titanium tetrachloride with mineral oil carbonization products in the carbon-containing slurry to generate vanadyl dichloride, feeding the vanadyl dichloride into a dust collector along with the vapor-phase titanium tetrachloride, and collecting and treating the, and gas-phase titanium tetrachloride in the dust collector enters a titanium tetrachloride leaching tower from a gas outlet of the dust collector for leaching, the obtained titanium tetrachloride liquid is sent into a titanium tetrachloride storage tank through a centrifugal pump I, the titanium tetrachloride liquid is settled in the titanium tetrachloride storage tank, crude titanium tetrachloride liquid is obtained at the bottom of the titanium tetrachloride storage tank, and the crude titanium tetrachloride liquid is continuously and stably pumped into a crude titanium tetrachloride processor through a centrifugal pump II.
Further, the flow rate of the vapor phase titanium tetrachloride is 10t/h-12 t/h.
Furthermore, a flowmeter is also arranged on the carbon-containing slurry pipeline, so that the amount of the carbon-containing slurry entering the crude titanium tetrachloride processor can be stably controlled.
Furthermore, the flow rate of the carbon-containing slurry entering the crude titanium tetrachloride processor is 1.5t/h-2.5t/h, and the solid content of the carbon-containing slurry is 10% -15%.
Furthermore, the solid content of the mixed slurry in the crude titanium tetrachloride processor is 6-10%.
Further, the crude titanium tetrachloride liquid may also be crude titanium tetrachloride obtained by a boiling chlorination process.
Further, a centrifugal pump I is arranged on a pipeline between the titanium tetrachloride leaching tower and the titanium tetrachloride storage tank.
Furthermore, a centrifugal pump II is arranged on a pipeline between the titanium tetrachloride storage tank and the crude titanium tetrachloride processor.
The invention has the beneficial effects that:
the vanadium removal effect is ensured by controlling the solid content of the carbon-containing slurry in the vanadium removal process, the solid content of the mixed slurry can be adjusted by adding the crude titanium tetrachloride in the crude titanium tetrachloride processor, the gas-phase titanium tetrachloride in the boiling aluminum chloride can be effectively and continuously and stably processed, the vanadyl trichloride in the gas-phase titanium tetrachloride is generated into vanadyl dichloride solid, and the vanadyl dichloride solid is collected in the dust collection process, so that the vanadium content in the crude titanium tetrachloride is effectively controlled, the continuous and stable operation of the boiling chlorination is ensured, the production process of the carbon-containing slurry processing is reduced, and the energy consumption is reduced. And the generated titanium tetrachloride has low vanadium content, meets the product index of vanadium-removing titanium tetrachloride, and can be used as a raw material to directly enter the production of silicon-removing titanium tetrachloride.
Drawings
FIG. 1 is a schematic structural diagram of a boiling vanadium chloride removal system of the present invention;
in the figure, 1-a fluidized chlorination furnace, 2-a quenching pipe, 3-a dust collector, 4-a titanium tetrachloride leaching tower, 5-a titanium tetrachloride storage tank, 6-a crude titanium tetrachloride processor, 7-a mixed slurry pipeline and 8-an atomizing nozzle; 9-slurry pump I, 10-carbon-containing slurry tank, 11-carbon-containing slurry pipeline, 12-slurry pump II, 13-flowmeter, 14-centrifugal pump I, 15-centrifugal pump II.
Detailed Description
The embodiments are described below with reference to the drawings.
Example 1
The system for removing vanadium by adopting the boiling chlorination comprises a boiling chlorination furnace 1, wherein an outlet of the boiling chlorination furnace 1 is connected with a dust collector 3 through a quenching pipe 2, a gas outlet of the dust collector 3 is sequentially connected with a titanium tetrachloride leaching tower 4 and a titanium tetrachloride storage tank 5 through pipelines, a crude titanium tetrachloride liquid outlet at the bottom of the titanium tetrachloride storage tank 5 is connected with a crude titanium tetrachloride processor 6 through a pipeline, a mixed slurry outlet of the crude titanium tetrachloride processor 6 is communicated with the quenching pipe 2 through a mixed slurry pipeline 7, and a discharge hole of the mixed slurry pipeline 7 is provided with an atomizing nozzle 8; the carbon-containing slurry inlet of the crude titanium tetrachloride processor 6 is connected with a carbon-containing slurry tank 10 through a carbon-containing slurry pipeline 11; a slurry pump I9 is arranged on the mixed slurry pipeline 7, and a slurry pump II 12 is arranged on the carbon-containing slurry pipeline 11; the carbon-containing slurry pipeline 11 is also provided with a flowmeter 13 which can stably control the amount of the carbon-containing slurry entering the crude titanium tetrachloride processor 6; a centrifugal pump I14 is arranged on a pipeline between the titanium tetrachloride leaching tower 4 and the titanium tetrachloride storage tank 5, and a centrifugal pump II 15 is arranged on a pipeline between the titanium tetrachloride storage tank 5 and the crude titanium tetrachloride processor 6.
Carbon-containing slurry generated by purifying titanium tetrachloride and removing vanadium by mineral oil is pumped into a carbon-containing slurry tank 10, the carbon-containing slurry is continuously and stably pumped into a crude titanium tetrachloride processor 6 through a slurry pump II 12 at the top of the carbon-containing slurry tank 10, the carbon-containing slurry and the crude titanium tetrachloride liquid are mixed to obtain mixed slurry, the crude titanium tetrachloride liquid in the crude titanium tetrachloride processor 6 is continuously and stably supplied through a titanium tetrachloride storage tank 5, the mixed slurry is returned into a quenching pipe 2 through a slurry pump I9, the liquid level of the mixed slurry in the crude titanium tetrachloride processor 6 is stabilized, the mixed slurry atomized by an atomizing nozzle 8 is mixed with vapor phase titanium tetrachloride generated by a boiling chlorination reaction in a boiling chlorination furnace 1, vanadyl dichloride in the vapor phase titanium tetrachloride reacts with mineral oil carbonization products in the carbon-containing slurry to generate vanadyl dichloride, the vanadyl dichloride enters a dust collector 3 along with the vapor phase titanium tetrachloride, vanadium oxychloride is collected and treated by a dust collector 3, vapor phase titanium tetrachloride in the dust collector 3 enters a titanium tetrachloride leaching tower 4 from a gas outlet of the dust collector 3 for leaching, the obtained titanium tetrachloride liquid is sent into a titanium tetrachloride storage tank 5 through a centrifugal pump I14, the titanium tetrachloride liquid is settled in the titanium tetrachloride storage tank 5, crude titanium tetrachloride liquid is obtained at the bottom of the titanium tetrachloride storage tank 5, and the crude titanium tetrachloride liquid is continuously and stably pumped into a crude titanium tetrachloride processor 6 through a centrifugal pump II 15.
The content of vanadium oxychloride in vapor-phase titanium tetrachloride generated by the boiling chlorination reaction in the boiling chlorination furnace 1 is 0.152%, the flow rate of the vapor-phase titanium tetrachloride in the quenching pipe 2 is 12t/h, carbon-containing slurry is continuously and stably pumped into the crude titanium tetrachloride processor 6, the flow rate of the carbon-containing slurry is 2.5t/h, the solid content of the carbon-containing slurry is 10%, and the solid content of mixed slurry in the crude titanium tetrachloride processor 6 is 10%; the content of vanadium oxychloride in the crude titanium tetrachloride in the titanium tetrachloride storage tank is 0.0006%.
Example 2
The system for removing vanadium by adopting the boiling chlorination comprises a boiling chlorination furnace 1, wherein an outlet of the boiling chlorination furnace 1 is connected with a dust collector 3 through a quenching pipe 2, a gas outlet of the dust collector 3 is sequentially connected with a titanium tetrachloride leaching tower 4 and a titanium tetrachloride storage tank 5 through pipelines, a crude titanium tetrachloride liquid outlet at the bottom of the titanium tetrachloride storage tank 5 is connected with a crude titanium tetrachloride processor 6 through a pipeline, a mixed slurry outlet of the crude titanium tetrachloride processor 6 is communicated with the quenching pipe 2 through a mixed slurry pipeline 7, and a discharge hole of the mixed slurry pipeline 7 is provided with an atomizing nozzle 8; the carbon-containing slurry inlet of the crude titanium tetrachloride processor 6 is connected with a carbon-containing slurry tank 10 through a carbon-containing slurry pipeline 11; a slurry pump I9 is arranged on the mixed slurry pipeline 7, and a slurry pump II 12 is arranged on the carbon-containing slurry pipeline 11; the carbon-containing slurry pipeline 11 is also provided with a flowmeter 13 which can stably control the amount of the carbon-containing slurry entering the crude titanium tetrachloride processor 6; a centrifugal pump I14 is arranged on a pipeline between the titanium tetrachloride leaching tower 4 and the titanium tetrachloride storage tank 5, and a centrifugal pump II 15 is arranged on a pipeline between the titanium tetrachloride storage tank 5 and the crude titanium tetrachloride processor 6.
Purifying titanium tetrachloride by using mineral oil to remove vanadium: titanium tetrachloride enters the bottom of a vanadium removal reaction tower at a speed of 10t/h, mineral oil is fed into the bottom of the vanadium removal reaction tower, and the feeding speed ratio of the titanium tetrachloride to the mineral oil is 1000: 1; the reaction temperature in the vanadium removing tower is 130 ℃, the pressure is 50kPa, and carbon-containing slurry is generated at the bottom of the tower;
the method comprises the steps of pumping carbon-containing slurry into a carbon-containing slurry tank 10, continuously and stably pumping the carbon-containing slurry into a crude titanium tetrachloride processor 6 through a slurry pump II 12 at the top of the carbon-containing slurry tank 10, mixing the carbon-containing slurry with crude titanium tetrachloride liquid to obtain mixed slurry, continuously and stably supplying the crude titanium tetrachloride liquid in the crude titanium tetrachloride processor 6 through a titanium tetrachloride storage tank 5, returning the mixed slurry into a quenching pipe 2 through a slurry pump I9, stabilizing the liquid level of the mixed slurry in the crude titanium tetrachloride processor 6, ensuring that the carbon-containing slurry is continuously and stably supplied to the quenching pipe, mixing the mixed slurry atomized by an atomizing nozzle 8 with vapor-phase titanium tetrachloride generated by a boiling chlorination reaction in a boiling chlorination furnace 1, reacting vanadyl trichloride in the vapor-phase titanium tetrachloride with mineral oil carbonization products in the carbon-containing slurry to generate vanadyl dichloride, and feeding the vanadyl dichloride into a dust collector 3, vanadium oxychloride is collected and treated by a dust collector 3, vapor phase titanium tetrachloride in the dust collector 3 enters a titanium tetrachloride leaching tower 4 from a gas outlet of the dust collector 3 for leaching, the obtained titanium tetrachloride liquid is sent into a titanium tetrachloride storage tank 5 through a centrifugal pump I14, the titanium tetrachloride liquid is settled in the titanium tetrachloride storage tank 5, crude titanium tetrachloride liquid is obtained at the bottom of the titanium tetrachloride storage tank 5, and the crude titanium tetrachloride liquid is continuously and stably pumped into a crude titanium tetrachloride processor 6 through a centrifugal pump II 15. The content of vanadium oxychloride in vapor-phase titanium tetrachloride generated by the boiling chlorination reaction in the boiling chlorination furnace 1 is 0.052 percent, the flow rate of the vapor-phase titanium tetrachloride in the quenching pipe 2 is 10t/h, carbon-containing slurry is continuously and stably pumped into the crude titanium tetrachloride processor 6, the flow rate of the carbon-containing slurry is 1.5t/h, the solid content of the carbon-containing slurry is 12 percent, and the solid content of mixed slurry in the crude titanium tetrachloride processor 6 is 6 percent. The content of vanadium oxychloride in the titanium tetrachloride storage tank is 0.0007%.
Example 3.
The system for removing vanadium by adopting the boiling chlorination comprises a boiling chlorination furnace 1, wherein an outlet of the boiling chlorination furnace 1 is connected with a dust collector 3 through a quenching pipe 2, a gas outlet of the dust collector 3 is sequentially connected with a titanium tetrachloride leaching tower 4 and a titanium tetrachloride storage tank 5 through pipelines, a crude titanium tetrachloride liquid outlet at the bottom of the titanium tetrachloride storage tank 5 is connected with a crude titanium tetrachloride processor 6 through a pipeline, a mixed slurry outlet of the crude titanium tetrachloride processor 6 is communicated with the quenching pipe 2 through a mixed slurry pipeline 7, and a discharge hole of the mixed slurry pipeline 7 is provided with an atomizing nozzle 8; the carbon-containing slurry inlet of the crude titanium tetrachloride processor 6 is connected with a carbon-containing slurry tank 10 through a carbon-containing slurry pipeline 11; a slurry pump I9 is arranged on the mixed slurry pipeline 7, and a slurry pump II 12 is arranged on the carbon-containing slurry pipeline 11; the carbon-containing slurry pipeline 11 is also provided with a flowmeter 13 which can stably control the amount of the carbon-containing slurry entering the crude titanium tetrachloride processor 6; a centrifugal pump I14 is arranged on a pipeline between the titanium tetrachloride leaching tower 4 and the titanium tetrachloride storage tank 5, and a centrifugal pump II 15 is arranged on a pipeline between the titanium tetrachloride storage tank 5 and the crude titanium tetrachloride processor 6.
Carbon-containing slurry generated by purifying titanium tetrachloride and removing vanadium by mineral oil is pumped into a carbon-containing slurry tank 10, the carbon-containing slurry is continuously and stably pumped into a crude titanium tetrachloride processor 6 through a slurry pump II 12 at the top of the carbon-containing slurry tank 10, the carbon-containing slurry and the crude titanium tetrachloride liquid are mixed to obtain mixed slurry, the crude titanium tetrachloride liquid in the crude titanium tetrachloride processor 6 is continuously and stably supplied through a titanium tetrachloride storage tank 5, the mixed slurry is returned into a quenching pipe 2 through a slurry pump I9, the liquid level of the mixed slurry in the crude titanium tetrachloride processor 6 is stabilized, the mixed slurry atomized by an atomizing nozzle 8 is mixed with vapor phase titanium tetrachloride generated by a boiling chlorination reaction in a boiling chlorination furnace 1, vanadyl dichloride in the vapor phase titanium tetrachloride reacts with mineral oil carbonization products in the carbon-containing slurry to generate vanadyl dichloride, the vanadyl dichloride enters a dust collector 3 along with the vapor phase titanium tetrachloride, vanadium oxychloride is collected and treated by a dust collector 3, vapor phase titanium tetrachloride in the dust collector 3 enters a titanium tetrachloride leaching tower 4 from a gas outlet of the dust collector 3 for leaching, the obtained titanium tetrachloride liquid is sent into a titanium tetrachloride storage tank 5 through a centrifugal pump I14, the titanium tetrachloride liquid is settled in the titanium tetrachloride storage tank 5, crude titanium tetrachloride liquid is obtained at the bottom of the titanium tetrachloride storage tank 5, and the crude titanium tetrachloride liquid is continuously and stably pumped into a crude titanium tetrachloride processor 6 through a centrifugal pump II 15.
The content of vanadium oxychloride in vapor-phase titanium tetrachloride generated by the boiling chlorination reaction in the boiling chlorination furnace 1 is 0.119%, the flow rate of the vapor-phase titanium tetrachloride in the quenching pipe 2 is 11t/h, carbon-containing slurry is continuously and stably pumped into the crude titanium tetrachloride processor 6, the flow rate of the carbon-containing slurry is 2t/h, the solid content of the carbon-containing slurry is 15%, and the solid content of mixed slurry in the crude titanium tetrachloride processor 6 is 8%. The content of vanadium oxychloride in the titanium tetrachloride storage tank is 0.0005%.
Monitoring the flow stability of the carbon-containing slurry and the crude titanium tetrachloride by combining the carbon-containing slurry tank and the liquid level in the crude titanium tetrachloride processor; the method can not only continuously and stably process the carbon-containing slurry, but also reduce the vanadium content in the titanium tetrachloride produced by the boiling chlorination system, is beneficial to the stable operation of the original rectification system and reduces the material consumption. Because vanadium impurities are removed in the boiling chlorination production process, the crude titanium tetrachloride generated by the method can be used as a raw material to directly enter the production of silicon-removed titanium tetrachloride.
Claims (8)
1. A method for removing vanadium from titanium tetrachloride in a boiling chlorination system is characterized by comprising the following steps:
the method comprises the following specific steps:
a system for removing vanadium by adopting boiling chlorination comprises a boiling chlorination furnace, and is characterized in that: the outlet of the boiling chlorination furnace is connected with a dust collector through a quenching pipe, the gas outlet of the dust collector is sequentially connected with a titanium tetrachloride leaching tower and a titanium tetrachloride storage tank through pipelines, the bottom coarse titanium tetrachloride liquid outlet of the titanium tetrachloride storage tank is connected with a coarse titanium tetrachloride processor through a pipeline, the mixed slurry outlet of the coarse titanium tetrachloride processor is communicated with the quenching pipe through a mixed slurry pipeline, and the discharge port of the mixed slurry pipeline is provided with an atomizing nozzle; a carbon-containing slurry inlet of the crude titanium tetrachloride processor is connected with a carbon-containing slurry tank through a carbon-containing slurry pipeline; the slurry pump I is arranged on the mixed slurry pipeline, and the slurry pump II is arranged on the carbon-containing slurry pipeline.
The method comprises the steps of pumping carbon-containing slurry generated by purifying titanium tetrachloride and removing vanadium by mineral oil into a carbon-containing slurry tank, continuously and stably pumping the carbon-containing slurry into a crude titanium tetrachloride processor by a slurry pump II at the top of the carbon-containing slurry tank, mixing the carbon-containing slurry with crude titanium tetrachloride liquid to obtain mixed slurry, continuously and stably supplying the crude titanium tetrachloride liquid in the crude titanium tetrachloride processor through a titanium tetrachloride storage tank, returning the mixed slurry into a quench pipe through a slurry pump I to stabilize the liquid level of the mixed slurry in the crude titanium tetrachloride processor, mixing the mixed slurry atomized by an atomizing nozzle with vapor-phase titanium tetrachloride generated by a boiling chlorination reaction in a boiling chlorination furnace, reacting vanadyl trichloride in the vapor-phase titanium tetrachloride with mineral oil carbonization products in the carbon-containing slurry to generate vanadyl dichloride, feeding the vanadyl dichloride into a dust collector along with the vapor-phase titanium tetrachloride, and collecting and treating the, and gas-phase titanium tetrachloride in the dust collector enters a titanium tetrachloride leaching tower from a gas outlet of the dust collector for leaching, the obtained titanium tetrachloride liquid is sent into a titanium tetrachloride storage tank through a centrifugal pump I, the titanium tetrachloride liquid is settled in the titanium tetrachloride storage tank, crude titanium tetrachloride liquid is obtained at the bottom of the titanium tetrachloride storage tank, and the crude titanium tetrachloride liquid is continuously and stably pumped into a crude titanium tetrachloride processor through a centrifugal pump II.
2. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: the flow rate of the vapor phase titanium tetrachloride is 10t/h-12 t/h.
3. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: and a flowmeter is also arranged on the carbon-containing slurry pipeline.
4. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: the flow rate of the carbon-containing slurry entering the crude titanium tetrachloride processor is 1.5t/h-2.5t/h, and the solid content of the carbon-containing slurry is 10% -15%.
5. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: the solid content of the mixed slurry in the coarse titanium tetrachloride processor is 6-10%.
6. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: the crude titanium tetrachloride liquid may also be crude titanium tetrachloride obtained by a boiling chlorination process.
7. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: a centrifugal pump I is arranged on a pipeline between the titanium tetrachloride leaching tower and the titanium tetrachloride storage tank.
8. The process of removing vanadium from titanium tetrachloride in a boiling chlorination system as claimed in claim 1, wherein: a centrifugal pump II is arranged on a pipeline between the titanium tetrachloride storage tank and the crude titanium tetrachloride processor.
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