Zero-emission device for concentrated saline water evaporated liquid and process method

A technology of evaporation device and process method, which is applied in the direction of heating water/sewage treatment, etc., can solve the problems of high investment cost and operation cost, and has not been widely popularized and applied, and achieve the effect of reducing operation cost

Active Publication Date: 2013-08-28
BEIJING SCINOR WATER TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] Evaporation is a technology that can effectively solve the problem of concentrated brine, but due to the high initial investment cost and high operating cost, it has not been widely promoted and applied in this field.

Method used

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  • Zero-emission device for concentrated saline water evaporated liquid and process method

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Embodiment Construction

[0034] Such as figure 1 As shown, it is a structural schematic diagram of the concentrated brine evaporation liquid zero discharge device of the present invention, including a concentrated brine pump 1, an evaporator 2, a salt mud pump 3, a solid-liquid separator 4 and an air preheater 5; wherein, the pretreated The concentrated brine is connected to the evaporator 2 through the concentrated brine pump 1 and the pipeline; the evaporator 2 is connected to the solid-liquid separator 4 through the salt mud pump 3 and the pipeline; the air preheater 5 is connected to the evaporator 2 through the pipeline; The liquid separator 4 is connected with the evaporator 2 through a pipeline.

[0035] Concentrated brine pump 1, evaporator 2, salt mud pump 3, solid-liquid separator 4 and connecting pipes are made of strong corrosion-resistant materials such as duplex stainless steel. The inside of the evaporator 2 is provided with an oblique deflector plate, which is made of duplex stainless...

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Abstract

The invention discloses a zero-emission device for concentrated saline water evaporated liquid and a process method. The device comprises a concentrated saline water pump, an air pre-heating device, an evaporation device, a salty mud pump and a solid-liquid separation device, wherein the concentrated saline water pump is connected with the evaporation device through a pipeline; the evaporation device is connected with the salty mud pump through a pipeline; the salty mud pump is connected with the solid-liquid separation device through a pipeline; the air pre-heating device is connected with the evaporation device through a pipeline; and the solid-liquid separation device is connected with the evaporation device through a pipeline. The zero-emission device for the concentrated saline water evaporated liquid and the process method disclosed by the invention have the characteristics of zero emission, low operation cost and high efficiency.

Description

technical field [0001] The invention relates to a concentrated brine evaporation device and a process method, in particular to a concentrated brine evaporation liquid zero discharge device and a process method. Background technique [0002] At present, reverse osmosis technology has been widely used in seawater desalination, industrial circulating water desalination, sewage treatment and reuse and other fields. However, during the preparation of desalinated water by reverse osmosis, more than 20% of concentrated brine is usually discharged. The concentrated brine not only has a high salt concentration, but also contains various organic and inorganic pollutants. [0003] At present, there are two main types of concentrated brine treatment methods: one is direct discharge, such as discharge to oceans, rivers, municipal sewage treatment plants, underground injection, etc.; the second is to reuse concentrated brine, such as surface irrigation and salt production , extraction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04
Inventor 张松建谷维梁李南
Owner BEIJING SCINOR WATER TECH CO LTD
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