Cooling process for mercury production and processing

A cooling process and mercury soot technology are applied in the field of cooling technology for mercury production and processing, which can solve the problems of large cooling water consumption, large cooling water consumption and high construction cost, and achieve the advantages of reducing site occupation, improving cooling efficiency and reducing installation cost. Effect

Inactive Publication Date: 2019-09-17
贵州万山天业绿色环保科技有限公司
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  • Application Information

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Problems solved by technology

Because the existing cooling process only uses water cooling, it consumes a lot of cooling water, and due to the large amount of cooling water required, the existing cooling process requires a large space and high construction costs

Method used

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  • Cooling process for mercury production and processing

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Embodiment Construction

[0020] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0021] see figure 1 Shown, the invention provides a kind of mercury production and processing cooling process, comprises the following steps:

[0022] a. Drying of mercury-containing solid waste: Dry the pretreated mercury-containing solid waste with hot air to remove the residual moisture in the pretreatment process. During the drying process, only part of the moisture in the mercury-containing solid waste needs to be removed until the The waste can form a fi...

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Abstract

The invention discloses a cooling process for mercury production and processing. The cooing process comprises the following steps that a, mercury-containing solid waste is dried; b, the mercury-containing solid waste is distillated; c, initial condensation is performed; d, secondary condensation is performed; e, liquid mercury is collected; f, the final treatment of the flue gas is performed; and g, wastewater treatment is performed. The cooling process has the beneficial effects that the cooling efficiency of the mercury vapor can be improved by the cooperation of the air cooling and the water cooling, the structure size of water cooling equipment can be reduced, the site occupation of the cooling equipment can be reduced, and the installation cost of the water cooling equipment can be reduced under the premise of the same condensation effect; and by cooling the mercury vapor during the air cooling process, most of the mercury vapor can be converted into liquid mercury, and in cooperation with the subsequent water cooling equipment, the condensation effect of the mercury vapor can be improved, the liquid mercury can be collected at the two sets of condensing equipment, and the collection efficiency of the liquid mercury is improved.

Description

technical field [0001] The invention relates to the technical field of mercury production and cooling, in particular to a cooling process for mercury production and processing. Background technique [0002] Mercury catalyst, mercuric chloride, is a solid catalyst used in organic synthesis reactions. Direct discharge after use will cause serious environmental pollution. Therefore, it is necessary to recycle the mercury inside the mercury catalyst. The existing mercury recovery process is to first use a strong alkali solution to react with mercuric chloride to form mercuric oxide, and then heat and roast to evaporate the mercuric oxide into mercury vapor, and then condense and collect it to realize mercury recovery. The cooling of mercury vapor in the existing technology adopts water cooling, that is, the temperature of the condenser is lowered by circulating cooling water, so that the mercury vapor passing through the condenser is condensed into liquid mercury for collection....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B43/00C22B1/00C22B9/02C22B7/00
CPCC22B1/005C22B7/00C22B9/02C22B43/00Y02P10/20
Inventor 吴泽云
Owner 贵州万山天业绿色环保科技有限公司
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