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submerged combustion evaporator

A submerged combustion evaporator and supercharger technology, applied in cascaded evaporators, evaporator accessories, evaporation, etc., can solve the problems of low heat transfer efficiency, high energy consumption of equipment, difficult to deal with, etc., to increase heat exchange area, Effects of saving energy and reducing consumption

Active Publication Date: 2021-08-24
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to treat high-salt wastewater because it contains high concentrations of organic pollutants, heavy metals, and calcium ions that are easy to scale
[0003] The submerged combustion evaporation technology based on direct contact heat transfer can avoid the fouling problem in wastewater treatment, but the heat transfer efficiency is low and the equipment energy consumption is high

Method used

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Embodiment Construction

[0030] In order to more clearly illustrate the above purpose, features and advantages of the present application, specific implementation methods of the present application will be described in detail in this part with reference to the accompanying drawings. In addition to the various implementations described in this section, the present application can also be implemented in other different ways. Without departing from the spirit of the present application, those skilled in the art can make corresponding improvements, deformations and replacements. Therefore, the present application Do not be bound by the specific embodiments disclosed in this section. The scope of protection of this application should be based on the claims.

[0031] Such as figure 1 As shown, the present application proposes a submerged combustion evaporator, which includes a tank body 1 , a heat conducting chamber 2 , an air distribution component 3 , a steam guiding component 4 and a crystallization and...

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Abstract

This application proposes a submerged combustion evaporator. The submerged combustion evaporator includes: a tank body, which is used to receive the material liquid to be evaporated; Partially arranged inside the tank body, the bottom of the heat conduction chamber is provided with an exhaust port; and an air distribution assembly, the air distribution assembly includes a supercharger and a deflector, both of which are arranged on the exhaust port Below, the deflector is formed into an inverted conical cylindrical shape, and the deflector is provided with a plurality of through holes. The supercharger can block a part of the gas discharged from the exhaust port, so that the gas flows obliquely upward along the deflector, and the other part Gas can flow upward through the through holes of the deflector. By adopting the above technical scheme, the heat exchange area of ​​feed liquid and gas is increased, so that high-temperature gas and feed liquid generated by combustion can fully contact heat transfer, improve heat transfer efficiency and evaporation rate, thereby reducing equipment gas consumption and saving energy.

Description

technical field [0001] The application belongs to the field of material liquid treatment for environmental protection, in particular to a submerged combustion evaporator. Background technique [0002] With the increasingly stringent environmental protection regulations and the gradual improvement of discharge standards in our country, more and more high-salt wastewater is produced in the process of wastewater treatment, such as membrane concentrate of landfill leachate, residual high-salt water in hazardous waste treatment, etc. Because high-salt wastewater contains high concentrations of organic pollutants, heavy metals, and calcium ions that are easy to scale, it is difficult to treat. [0003] The submerged combustion evaporation technology based on direct contact heat transfer can avoid the fouling problem in wastewater treatment, but the heat transfer efficiency is low and the equipment energy consumption is high. Contents of the invention [0004] The purpose of thi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/00B01D1/30C02F1/04C02F101/10C02F101/20C02F101/30C02F103/06
CPCB01D1/00B01D1/0041B01D1/0082B01D1/0088B01D1/30B01D1/305C02F1/043C02F1/048C02F2101/10C02F2101/20C02F2101/30C02F2103/06
Inventor 岳东北
Owner TSINGHUA UNIV
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