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Magnesium and magnesium alloy resource circulatory utilization system

A magnesium alloy and resource technology, applied in the field of comprehensive utilization system, can solve the problems of destroying the ecological balance, large processing pollution cost, energy waste, etc., and achieve the effect of reducing pollution

Inactive Publication Date: 2010-11-03
GUIZHOU SHIJI TIANYUAN MINING IND
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  • Description
  • Claims
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Problems solved by technology

In the past, these industrial waste residues, industrial waste water and industrial waste gas were generally discharged, which would cause environmental pollution, destroy the ecological balance, and also cause a waste of energy. If these industrial waste residues, waste water and waste gas are treated without pollution before they are discharged , then it will take a considerable cost to deal with pollution, which will bring a heavy economic burden to the enterprise

Method used

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  • Magnesium and magnesium alloy resource circulatory utilization system

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Embodiment

[0008] Embodiment: Magnesium and magnesium alloy resource recycling system. This system is to fully reuse the waste residue, waste water and waste gas generated in the production process of magnesium and magnesium alloys, and use the waste residue to produce other products that are beneficial to the society. The waste water generated in the production process is recycled and reused many times after treatment. Production The hot flue gas that has not been fully utilized in the process is used to generate steam and then reused in production or life. The system also purifies the final discharged gas so that the discharged gas meets the low-temperature and low-dust emission standards.

[0009] Magnesium and magnesium alloy resource recycling system, which consists of a smelter for the production of magnesium and magnesium alloys, a magnesium slag brick factory and a calcium carbonate factory for reusing waste slag, waste water and waste gas generated in the production process of ma...

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Abstract

The invention discloses a magnesium and magnesium alloy resource circulating utilization system, which is characterized by the following: the system contains magnesium and magnesium alloy smelter, magnesium slag brick factory, calcium carbonate factory and slurry factory to reuse the waste slag, water and gas in the magnesium and magnesium alloy manufacturing course, residual steam boiler and living office heating circulating cooling system; the smelter includes rotary kiln workshop, reducing workshop, magnesium refining workshop and magnesium alloy smelting workshop; the system purifies the gas, which satisfies the discharge standard of low temperature and low dust.

Description

technical field [0001] The invention relates to a comprehensive utilization system, in particular to a recycling system for magnesium and magnesium alloy resources. Background technique [0002] At present, the smelting and production process of magnesium and magnesium alloys is as follows: coal, gas or heavy oil are used as fuels, dolomite is calcined into calcined white in the rotary kiln workshop, and calcined white, fluorite, and ferrosilicon are sent to the press through computer batching. The ball workshop mixes and presses the pellets to provide raw materials for the magnesium reduction workshop. In the magnesium reduction workshop, coal or gas is used as fuel, and the pellets pressed by the ball press workshop are used as raw materials. After reduction reaction, rough magnesium is produced, and then magnesium The finished magnesium ingots produced in the refining workshop can also be produced in the magnesium alloy smelting workshop to produce finished magnesium allo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/00C22C1/00C04B33/138F24J3/00
CPCY02P40/60
Inventor 张继强陈黔
Owner GUIZHOU SHIJI TIANYUAN MINING IND
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