Mine brine pretreatment method

A mine salt and pretreatment technology, applied in the direction of alkali metal chlorides, etc., can solve the problems of large emission of combustion products, insufficient separation degree, pollution of the surrounding environment, etc., and achieve full combustion, stable combustion flame and reduced risk. Effect

Active Publication Date: 2015-07-01
重庆合川盐化工业有限公司
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Problems solved by technology

The existing separation technology has insufficient separation degree, unstable gas volume leads to insufficient combustion during combustion, large emission pollution of combustibles, loud noise, easy flameout, and manual repeated ignition is required, which increases the risk factor of workers' operation. In addition, the open There are still disadvantages such as associated gas escaping and polluting the surrounding environment

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] When the mine salt and brine pretreatment method of the present invention is specifically implemented: first rely on the brine water inlet main pipe to enter the water, and then rely on a water-gas separator to separate the inlet water into two parts, brine and associated gas, and then transport the brine to the salt production. The workshop carries out salt production, and the associated gas is transported to the exhaust gas combustion device for combustion. The key point is to separate the water contained in the associated gas and return it to the salt production workshop before the associated gas is transported to the exhaust gas combustion device, so as to ensure that the waste gas combustion device Combustion effect and improve brine utilization.

[0031] More specifically, when the present invention is implemented, the mine salt brine pretreatmen...

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Abstract

The invention discloses a mine brine pretreatment method. The method comprises the following steps: introducing water by virtue of a brine inlet main pipe, separating the inflow water into two parts, namely brine and associated gas by virtue of a moisture separator, conveying the brine into a salt making workshop for salt manufacturing, and conveying the associated gas to a waste gas combustion device for combusting. The method is characterized in that before the associated gas is conveyed into the waste gas combustion device, the moisture mixed in the associated gas is separated and returns into the salt making workshop, so that the combustion effect of the waste gas combustion device is guaranteed, and the brine utilization rate is improved. The method disclosed by the invention has the advantages that the brine separation degree is high, the brine utilization rate is high, the separated associated gas is full in combustion, the combustion flame is stable, flameout is difficultly caused, repeated ignition of workers is avoided, the operational risk coefficient of the workers is reduced, the condition that the environmental pollution is caused due to overflow of the associated gas is avoided by virtue of closed brine extraction, and the like.

Description

technical field [0001] The invention relates to the field of well mine salt brine treatment, in particular to a method for pretreatment of well mine salt brine. Background technique [0002] Well mine salt refers to the salt made by drilling to draw underground natural brine and the salt made by mining underground rock salt. The production process of well mine salt is divided into two parts: mining and salt production. Underground natural brine is extracted by dredging, gas lift or submersible brine pump; rock salt is divided into tunnel mining (dry mining) and water-soluble mining according to the deposit geology, occurrence conditions and grade. [0003] During the water solution mining process of rock salt drilling, methane, hydrogen sulfide, methane total hydrocarbons and other gases are often produced together; they cannot be directly used for production and processing, and brine needs to be pretreated to separate the associated gas contained in brine. At the same tim...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01D3/06
Inventor 王和荣刘川高莉霞林权涂代兵周良全
Owner 重庆合川盐化工业有限公司
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