An integrated mvr evaporation concentration device

An evaporative concentration, integrated technology, applied in vertical tube evaporators, heating water/sewage treatment, etc., can solve the problem that the MVR system cannot be miniaturized, and achieve the effect of supplementing heat loss, improving heat transfer efficiency, and improving system efficiency.

Active Publication Date: 2022-04-12
QINGDAO UNIV OF SCI & TECH
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Problems solved by technology

[0004] In order to overcome the above problems, the present invention provides an integrated MVR evaporation and concentration device, which provides an integrated compact structure and solves the technical problem that the MVR system cannot be miniaturized

Method used

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  • An integrated mvr evaporation concentration device

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Embodiment Construction

[0015] Such as figure 1 An integrated MVR evaporative concentration device as shown includes a device housing, a booster pump 17 is installed at the lower end of the device housing, and the booster pump 17 is installed in the raw material water chamber 18 to pump the heated raw material water into the separator chamber 5 , the heat exchange tube chamber 4 is connected to the raw material water chamber 18 and the separator chamber 5, and the two ends of the heat exchange tube are respectively connected to the separator chamber 18 and the raw material water chamber 5 for heat exchange and reflux; a compressor 7 is installed on the upper end of the device shell to compress The machine 7 pressurizes the steam generated in the separator, enters the heat exchange tube cavity 4 through the exhaust channel provided in the device shell, and the heat exchange condensed water enters the condensed water cavity 13 through the condensed water channel, and the condensed water cavity 13 is pro...

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Abstract

The invention provides an integrated MVR evaporation and concentration device, which includes a device housing, a booster pump is installed at the lower end of the device housing, the booster pump is installed in a raw material water chamber, and the heated raw material water is pumped into the separator chamber. The cavity is connected to the raw material water cavity and the separator cavity, and the two ends of the heat exchange tube are respectively connected to the separator cavity and the raw material water cavity, which are used for evaporation heat exchange and part of the raw material liquid backflow; a compressor is installed on the upper end of the device shell, and the compressor will The generated steam is pressurized and enters the heat exchange tube cavity through the exhaust channel provided in the device shell, the condensed water after heat exchange enters the condensed water cavity through the condensed water channel, the condensed water outlet is set in the condensed water cavity, and the raw material water cavity is set to concentrate liquid outlet. The invention uses auxiliary heating to supplement the heat loss of the system, without external pipeline connection, and realizes the miniaturization of the MVR system; the power consumption of the booster pump is low, and the heat transfer efficiency is high; the heat exchange area is low, and the heat exchange efficiency in the evaporation-condenser High; the heat of condensed water is fully recovered, and the system efficiency is high.

Description

technical field [0001] The invention relates to an integrated MVR evaporation concentration device, which belongs to the technical field of wastewater treatment. Background technique [0002] Industrial saline wastewater is mainly treated by membrane method and evaporation method. Membrane method is not suitable for high-saline wastewater treatment, and multi-effect evaporation system consumes a lot of energy. Mechanical vapor recompression (MVR) system is currently the solution to this problem. main technical means. The MVR system includes evaporator-condenser, compressor, pump and other components, which can directly concentrate and purify wastewater (sewage in, clean water and concentrated liquid out). [0003] For MVR systems in the fields of industrial wastewater treatment, material concentration, etc., the processing capacity is generally greater than 0.5t / h, and centrifugal compressors or screw compressors are used, resulting in a large equipment footprint, among whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/12C02F1/04
CPCC02F1/04
Inventor 刘广彬赵远扬杨启超唐斌李连生
Owner QINGDAO UNIV OF SCI & TECH
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