System device and process for industrially producing aluminum chloride

A technology of aluminum trichloride and system device, applied in aluminum chloride, aluminum halide and other directions, to achieve the effect of improving product quality, improving packaging environment, and high cooling efficiency

Active Publication Date: 2018-11-23
HUNAN HENGGUANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the present invention: aiming at the defects of existing industrial production of aluminum trichloride, to provide a system device and process for industrial production of aluminum trichloride

Method used

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  • System device and process for industrially producing aluminum chloride
  • System device and process for industrially producing aluminum chloride

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Embodiment

[0034] 1. A system device for industrial production of aluminum trichloride, which consists of a chlorination furnace sublimation tube, a main catcher, a secondary catcher, a crusher, a buffer bin, a star feeder, a Roots blower, a cooler, Acceleration chamber, negative suction pipe A, buffer warehouse sight glass, negative suction pipe B, pneumatic conveying main pipe, qualified product pipeline, unqualified product pipeline, silo, induced draft fan, dust collector A, dust collector B, chlorine gas recycling pipe, Composed of commodity chlorine pipeline, conventional chlorine gas treatment pipeline and nitrogen protection pipeline;

[0035] The main trap is flat and divided into three sections connected by flanges, with a large heat dissipation area. Different tapping frequencies are used for the flat surfaces on both sides of the upper, middle and lower sections of the main trap to make it adhere to the inner wall of the main trap. The aluminum trichloride powder or crystal f...

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Abstract

The invention relates to a system device and a process for industrially producing aluminum chloride. An aluminum chloride steam discharged from a chlorination furnace enters a main catcher through a subliming pipe and is condensed into powder or crystals in a three-section way, bulk crystal materials are smashed through a crusher so as to enter a surge bin and a star type feeder, the materials arepneumatically conveyed in an accelerating chamber through a roots blower and are cooled in a cooler so as to enter a stock bin, a tail gas is filtered through a dust remover on the top part of the stock bin and is conveyed to an inlet of the roots blower through an air induced fan so as to be recycled, and part of tail gas enters a chlorine recycle pipe or enters a common chlorine treatment pipeline; meanwhile, an assistant catcher is also arranged for feeding a small amount of aluminum chloride powder and residual chlorine into the stock bin; the formation of a negative pressure system of the dust remover, the stock bin, the assistant catcher, the main catcher and the surge bin is realized through the air induced fan. The whole process system is green and environmental-friendly, the crystallization yield of aluminum chloride products is high, the product pneumatic conveying and the tail gas inducing are matched, the recyclability of the tail gas is good.

Description

technical field [0001] The invention belongs to the field of inorganic fine powder materials, and in particular relates to a system device and a process for industrially producing aluminum trichloride. Background technique [0002] Aluminum trichloride is an important inorganic chemical. Its industrial product is light yellow granule or powder due to its chlorine content, relative density 2.44g / cm3 (25°C), apparent density 1.23 g / cm3, melting point 190°C (0.25 MPa), strong water absorption, easy to deliquescence, exposed to the air, easy to absorb water and decompose to produce hydrogen chloride, easy to explode when exposed to water or steam, and is highly corrosive. Aluminum trichloride is widely used as a catalyst in chemical industry, petroleum and other fields. Domestic aluminum chloride production plants are generally concentrated in non-chlor-alkali enterprises. Aluminum ingots are placed in a closed chlorination reaction furnace, reacted with chlorine gas, sublimate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F7/56
CPCC01F7/56C01P2006/80
Inventor 易重庆伍小望贺学军罗喜元曹立新胡建新
Owner HUNAN HENGGUANG TECH
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