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Device for adjusting pressure of titanium tetrachloride repository and using method thereof

A titanium tetrachloride and storage technology, applied in the field of metallurgy, can solve the problems of insufficient absorption of acid gas and suck back of concentrated sulfuric acid, and achieve the effects of preventing back suck, reducing emissions, and low cost

Pending Publication Date: 2019-08-30
JINCHUAN GROUP LIMITED
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a device for adjusting the pressure of titanium tetrachloride storage to solve the problem that the existing tail gas treatment device cannot fully absorb acid gas and that concentrated sulfuric acid sucks back easily during punching

Method used

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  • Device for adjusting pressure of titanium tetrachloride repository and using method thereof

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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as figure 1 As shown, a device for regulating the pressure of titanium tetrachloride storage includes a concentrated sulfuric acid absorption tank 2, which is provided with an acid addition port 21, and also includes a safety tank 1 and a lye absorption tank 3, and the safety tank 1. The concentrated sulfuric acid absorption tank 2 and the lye absorption tank 3 are connected through pipelines successively, and the safety tank 1 is connected with the exhaust pipe 5 of the titanium tetrachloride storage, between the concentrated sulfuric acid absorption tank 2 and the lye absorption tank 3 The pipeline is provided with a three-way valve 6, and the three ends of the three-way valve 6 are respectively connected to the concentrated sulfuric acid absorption tank 2, the lye absorption tank 3 and the air pipeline 9, and the lye absorption...

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Abstract

The invention discloses a device for adjusting the pressure of a titanium tetrachloride repository and a using method thereof, belongs to the technical field of metallurgy, and solves the problem thatthe existing exhaust gas treatment device cannot sufficiently absorb acid gas and is prone to back suction when pressing. The device of the invention includes a safety tank, a concentrated sulfuric acid absorption tank and an alkali liquid absorption tank which are sequentially connected, wherein an acid addition port is arranged on the concentrated sulfuric acid absorption tank, an alkali addition port and a vent hole are arranged on the alkali liquid absorption tank, and the safety tank is connected with an exhaust pipe of the titanium tetrachloride repository; a three-way valve is arrangedon a pipeline between the concentrated sulfuric acid absorption tank and the alkali liquid absorption tank, and the three ends of the three-way valve are respectively connected with the concentratedsulfuric acid absorption tank, the alkali liquid absorption tank and an air pipeline. When the pressure is released, the moisture and acid gas in the exhaust gas is absorbed through the safe tank, theconcentrated sulfuric acid absorption tank and the lye absorption tank and then the exhaust gas is discharged. When pressing, the air enters a repository tank through the concentrated sulfuric acid absorption tank and the safety tank. The device of the invention has the advantages of greatly reducing the emission of harmful gas in the exhaust gas, and the safety tank plays a role of back suctionprevention when pressing.

Description

technical field [0001] The invention belongs to the technical field of metallurgy, and in particular relates to a device for adjusting the pressure of a titanium tetrachloride storage store and a use method thereof. Background technique [0002] When titanium tetrachloride is stored, when the pressure of the storage tank is higher than the local standard atmospheric pressure, it is necessary to discharge a part of the gas to release the pressure. When the pressure is released, the titanium tetrachloride tail gas contains titanium tetrachloride acid gas, hydrogen chloride, water, etc., directly Discharging into the atmosphere will cause environmental pollution, and the exhaust gas needs to be treated before being discharged. And when the pressure of the storage tank is lower than the local standard atmospheric pressure, it is necessary to let the outside air enter the storage tank. Since titanium tetrachloride gas is easily hydrolyzed and reacts with moisture in the air, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/68B01D53/26
CPCB01D53/78B01D53/68B01D53/263B01D2257/2045B01D2257/204B01D2257/80
Inventor 张媛庆吴瑞玲魏万水孙刚赵毕文李琛豆银丽王春燕苏晓晖郭锋蒲银春陈志新
Owner JINCHUAN GROUP LIMITED
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