High-salt high-organic matter wastewater treatment evaporation tower and treatment method thereof

A technology for wastewater treatment and organic matter, which is applied in water/sewage treatment, heating water/sewage treatment, water/sewage treatment equipment, etc. It can solve the problem of limited concentration, high secondary pollutant content in condensate water, easy scaling and clogging and other problems, to achieve the effect of high safety and avoid the decline of heat exchange efficiency

Inactive Publication Date: 2020-12-08
安徽同速科技有限公司
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Problems solved by technology

The membrane method is prone to blockage, the membrane needs to be replaced regularly, the degree of concentration is limited, and the concentrated liquid still needs to be processed by distillation
When conventional concentration and evaporation equipment such as MVR and MED operate under high temperature, high and low pressure conditions, the content of secondary pollutants in the condensed water is high, and it is also easy to scale and block, and the failure rate is high, requiring frequent shutdown and cleaning

Method used

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  • High-salt high-organic matter wastewater treatment evaporation tower and treatment method thereof

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Embodiment Construction

[0019] refer to figure 1 , the present invention proposes a high-salt and high-organic waste water treatment evaporation tower, including a tower body 1, wherein:

[0020] The tower body 1 is provided with a heat exchange chamber 2, the top of the tower body 1 is provided with a steam outlet communicating with the heat exchange chamber 2, and the bottom end of the tower body 1 is provided with a concentrated liquid discharge port. There are 1-4 layers of heat exchange tubes 3 in the heat exchange chamber 2. The outlet end of the upper layer of heat exchange tubes 3 is connected to the inlet end of the next layer of heat exchange tubes 3. The heat exchange chamber 2 is located in any layer of heat exchange tubes The positions above the pipes 3 are provided with spraying devices 4 .

[0021] In a specific embodiment, the tower body 1 is also provided with an air chamber 7 located below the heat exchange chamber 2, the tower body 1 is connected with an air inlet pipe communicati...

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Abstract

The invention provides a high-salt high-organic matter wastewater treatment evaporation tower which comprises a tower body, a heat exchange chamber is arranged in the tower body, a steam outlet communicated with the heat exchange chamber is formed in the top end of the tower body, and a concentrated solution discharge outlet is formed in the bottom end of the tower body; at least one layer of heatexchange pipe is arranged in the heat exchange chamber, and a spraying device is arranged at the position, located above any layer of heat exchange pipe, in the heat exchange chamber. Wastewater is evaporated at normal pressure and medium and low temperature (55 DEG C or below), a pressure container is not needed, safety is high, materials cannot be denatured and hardened at the medium and low temperature (55 DEG C or below), wastewater sprayed by the spraying device has a scouring effect on the heat exchange pipe, and it is avoided that crystal substances are attached to the surface of the heat exchange pipe, and the heat exchange efficiency is reduced.

Description

technical field [0001] The invention relates to the technical field of industrial wastewater treatment, in particular to an evaporation tower for treating high-salt and high-organic-matter wastewater and a treatment method thereof. Background technique [0002] The treatment methods of high-salt and high-organic wastewater generally include membrane method and distillation method. The membrane method is prone to clogging, the membrane needs to be replaced regularly, the degree of concentration is limited, and the concentrated liquid still needs to be processed by distillation. When conventional concentration and evaporation equipment such as MVR and MED operate under high temperature, high and low pressure conditions, the content of secondary pollutants in the condensed water is high, and it is also easy to scale and block, and the failure rate is high, requiring frequent shutdown and cleaning. Contents of the invention [0003] Based on the technical problems in the back...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04
CPCC02F1/042C02F2201/002
Inventor 余三江孙勇姚冰
Owner 安徽同速科技有限公司
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