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Waste heat gradient utilization system for supercritical water treatment technology

A supercritical water and waste heat technology, applied in indirect heat exchangers, heat exchange equipment, lighting and heating equipment, etc., can solve the problems of low thermal efficiency of primary heat exchange technology

Active Publication Date: 2022-07-29
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

In the stage of heat utilization, the thermal efficiency of primary heat exchange technology is low, so cascade utilization of heat can improve the heat utilization efficiency of the entire system, which is an important measure for energy saving

Method used

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  • Waste heat gradient utilization system for supercritical water treatment technology

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Embodiment Construction

[0029] The technical solutions of the present invention will be described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] In the present invention, unless otherwise specified, all the embodiments and preferred implementation methods mentioned herein can be combined with each other to form new technical solutions.

[0031] In the present invention, unless otherwise specified, all the technical features and preferred features mentioned herein can be combined with each other to form a new technical solution.

[0032] In the present invention, unless otherwise specified, percentage (%) or part refers to the weight percentage or weight part of the composition.

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Abstract

According to the waste heat gradient utilization system for the supercritical water treatment technology, reaction outlet water provided by the supercritical water technology serves as a heat source, a reactor wall face protector and a heat exchange unit are added, and the temperature of the reaction outlet water is utilized through an instrument; and finally, the preheated water enters a gas-liquid separator for steam output, so that gradient utilization of waste heat is realized.

Description

technical field [0001] The invention belongs to the technical field of supercritical water treatment, and in particular relates to a waste heat cascade utilization system for supercritical water treatment technology. Background technique [0002] Supercritical water refers to the fourth state of water with a temperature higher than 374°C and a pressure higher than 22.1MPa. In this state, the density, viscosity, and dielectric constant of the water all decrease. At this time, the water is non-polar and can interact with organic substances. dissolve in each other to form a homogeneous reaction. Supercritical water technology refers to the use of supercritical water to react with organic matter. During the reaction process, the organic components in the organic matter are reacted, and the inorganic components are precipitated. [0003] The reaction effluent in the supercritical water treatment process has a relatively high temperature. If this part of the heat is not used, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D21/00F28F27/02B01J19/00
CPCF28D21/0012F28F27/02B01J19/0013F28D2021/0022
Inventor 王树众张熠姝段远望张凡李建娜徐甜甜
Owner XI AN JIAOTONG UNIV
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