Immersed combustion evaporator

A submerged combustion evaporator and supercharger technology, applied in cascade evaporators, evaporator accessories, evaporation, etc., can solve problems such as difficult to deal with, low heat transfer efficiency, and high energy consumption of equipment, so as to save energy and increase heat transfer Area and consumption reduction effect

Active Publication Date: 2020-11-03
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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  • Immersed combustion evaporator

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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

The invention provides a submerged combustion evaporator which comprises a tank body used for receiving to-be-evaporated feed liquid; a heat conduction cavity used for combusting combustible gas and combustion-supporting gas to generate smoke, wherein at least part of the heat conduction cavity is arranged in the tank body, and an exhaust port is formed in the bottom of the heat conduction cavity;and a gas distribution assembly which comprises a pressurizer and a flow guide plate, wherein the pressurizer and the flow guide plate are both arranged below the exhaust port, the flow guide plate is in an inverted conical barrel shape, a plurality of through holes are formed in the flow guide plate, and the pressurizer can block part of gas exhausted from the exhaust port, so that the gas flowsobliquely upwards along the flow guide plate, and the other part of gas can flow upwards through the through holes of the guide plate. By the adoption of the technical scheme, the heat exchange areaof feed liquid and gas is increased, high-temperature gas generated by combustion can make full contact with the feed liquid for heat transfer, the heat transfer efficiency and the evaporation rate are improved, and therefore the gas consumption of equipment is reduced, and energy is saved.

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 Applications(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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