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Preparation method for industrial mercury

An industrial mercury soot technology, which is applied in the field of industrial mercury preparation, can solve the problems of complex mineral processing process, low mercury preparation efficiency, and high cost, and achieve the goal of improving mercury preparation efficiency, reducing mercury soot generation, and improving recovery rate Effect

Inactive Publication Date: 2015-07-29
YINYU MINERALS WUCHUAN AUTONOMOUS COUNTY
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention intends to provide a method for preparing mercury for industrial use, to solve the problem of low efficiency and high cost of mercury preparation in the prior art due to the complexity of the mineral treatment process

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  • Preparation method for industrial mercury
  • Preparation method for industrial mercury

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Embodiment Construction

[0033] The present invention will be described in further detail below by means of specific embodiments:

[0034] The embodiment is basically as figure 2 Shown:

[0035] A kind of industrial mercury preparation method in this scheme, comprises the following steps:

[0036] a) Pulverization: The mercury-containing raw ore is firstly passed through a jaw crusher, then a cone crusher, and then crushed in two stages to obtain a crushed mercury-containing raw ore;

[0037] b) Screening: after sending the mercury-containing raw ore obtained in step a) to the vibrating screen for screening, the mercury-containing raw ore with a particle size of 0-13mm is obtained;

[0038] c) Reduction preparation: first put the mercury-containing raw ore with a particle size of 0-13mm prepared in step b) into the furnace from the top of the double-layer single dilute phase fluidized roasting furnace, and then put in pulverized coal with a particle size of 0-8mm, And the mass fraction ratio of pu...

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Abstract

The invention discloses a preparation method for industrial mercury. The preparation method comprises the following steps of (a) crushing; (b) screening; (c) reducing preparation; (d) mercury preparation by dust collection and condensation; (e) condensation of flue gas containing the mercury; (f) purification; (g) dust collection. Compared with an existing single-layer double dilute phase fluidized roasting furnace with an external overflow straight tube bed structure, a dual-layer single dilute phase fluidized roasting furnace with an internal overflow conical bed structure, disclosed by the invention, has the advantages that the heat consumption can be effectively reduced, processing charges of mercury-containing raw ores are reduced, and the processing capacity of the mercury-containing raw ores in unit bed surface is improved. According to the preparation method disclosed by the invention, the mineral processing process is simplified, the mercury preparation efficiency is improved, and the cost is reduced.

Description

technical field [0001] The invention relates to the technical field of metal smelting, in particular to a method for preparing industrial mercury. Background technique [0002] Mercury is a chemical element, the 80th in the periodic table of elements, commonly known as mercury, element symbol Hg, in the 6th period of the chemical periodic table, group IIB, is the only metal that exists in a liquid state at normal temperature and pressure (in a strict sense Said above, gallium (symbol Ga, element No. 31) and cesium (symbol Cs, element No. 55) are also liquid at room temperature (29.76°C and 28.44°C). Mercury is a silvery white shiny heavy liquid, chemically stable, insoluble in acid and alkali. Mercury can evaporate at room temperature, and mercury vapor and mercury compounds are highly toxic (chronic). Mercury has a long and diverse history of use. In medieval alchemy, together with sulfur and salt, they are called the three sacred elements of alchemy. [0003] The most ...

Claims

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Application Information

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IPC IPC(8): C22B43/00
CPCY02P10/20
Inventor 杨欢春姜孝放
Owner YINYU MINERALS WUCHUAN AUTONOMOUS COUNTY