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A supercritical water oxidation evaporation wall reactor

A technology of supercritical water oxidation and evaporation wall, applied in chemical instruments and methods, oxidized water/sewage treatment, water pollutants, etc., to achieve the effect of increasing length, improving corrosion resistance and salt deposition performance, and expanding range

Active Publication Date: 2021-10-08
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a supercritical water oxidation evaporation wall reactor to solve the deficiencies in the design of the existing evaporation wall reactor, so that the evaporation wall reactor can form an excellent water film in the process of water oxidation

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  • A supercritical water oxidation evaporation wall reactor
  • A supercritical water oxidation evaporation wall reactor
  • A supercritical water oxidation evaporation wall reactor

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a supercritical water oxidation evaporation wall reactor, which relates to the field of supercritical water oxidation reactors. The evaporating wall reactor includes a cylinder and a cylinder cover. The cylinder cover is provided with a material inlet, an oxidant inlet and a reaction chamber. The reaction chamber is located below the material inlet and the oxidant inlet. The cylinder is equipped with a porous evaporation wall. The water inlet of the upper evaporating wall, the water inlet of the middle evaporating wall, the water inlet of the lower evaporating wall, the upper choke ring, the middle choke ring, The lower throttling ring, the upper throttling ring, the middle throttling ring and the lower throttling ring are located in the annular gap formed by the inner wall of the cylinder and the porous evaporation wall. The evaporating wall reactor of the present application can improve the processing capacity of organic matter, better exert the functions of the evaporating wall reactor in anti-corrosion and salt deposition, and has guiding significance for promoting the structural development and process optimization of the evaporating wall reactor.

Description

technical field [0001] The invention relates to the field of supercritical water oxidation reactors, in particular to a supercritical water oxidation evaporation wall reactor. Background technique [0002] Supercritical water oxidation technology is an efficient method for treating pollutants and refractory organic compounds, which can realize complete oxidation of organic matter without secondary pollution. However, due to the extremely low solubility of inorganic salts in supercritical water, the inorganic salts are easily precipitated, aggregated, and deposited in large quantities, causing adverse effects. The precipitated inorganic salts are easily adsorbed on the heating surface and the inner wall of the reactor to form a salt layer, which leads to the deterioration of heat transfer. Secondly, a corrosion microenvironment "dead zone" will be formed between the salt layer and the heating wall surface. Salt deposition has a synergistic effect on corrosion, and the precipi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/72C02F101/30
CPCC02F1/72C02F2101/30C02F2201/002
Inventor 徐东海魏宁汪洋郭树炜王瀚梁钰
Owner XI AN JIAOTONG UNIV
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