Nanoparticle supercritical hydrothermal synthesis system and method for comprehensive utilization of energy
A supercritical water and nanoparticle technology, applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve the problem of weakening technical economy, unfavorable promotion, investment in supercritical hydrothermal synthesis technology, and operating cost discount and other problems to achieve the effect of improving system economy, avoiding energy waste, and avoiding costs
Active Publication Date: 2021-05-14
XI AN JIAOTONG UNIV
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Problems solved by technology
In short, the investment and operating costs of supercritical hydrothermal synthesis technology are greatly reduced due to the use of subsequent wastewater treatment devices, which seriously weakens the technical economy and is not conducive to the promotion of this technology
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[0043] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.
[0044] The present invention effectively couples the supercritical water oxidation device and the supercritical hydrothermal synthesis device, utilizes the heat of the fluid after the supercritical hydrothermal synthesis reaction to generate steam, and provides steam for other processes in the system that need to generate steam (product post-treatment process, Evaporation and concentration process and MVR process) provide raw steam, which avoids the cost of outsourcing steam and effectively improves system economy. The exothermic heat of the supercritical water oxidation reaction is used to provide preheating for the supercritical hydrothermal synthesis reaction and the cold state material of the supercritical water oxidation reaction. The pressure energy is recovered through the hydraulic turbine to drive the motor of the high-pressure pump to ...
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The present invention is a nanoparticle supercritical hydrothermal synthesis system and method for comprehensive utilization of energy. By effectively coupling the supercritical water oxidation device and the supercritical hydrothermal synthesis device, the heat generated by the fluid after the supercritical hydrothermal synthesis reaction is utilized. Steam provides raw steam for other steam-needing processes in the system (product post-treatment process, evaporation concentration process, and MVR process), avoiding the cost of outsourcing steam and effectively improving system economy. The exothermic heat of the supercritical water oxidation reaction is used to provide preheating for the supercritical hydrothermal synthesis reaction and the cold state material of the supercritical water oxidation reaction. The pressure energy is recovered through the hydraulic turbine to drive the motor of the high-pressure pump to rotate, thereby effectively utilizing the system pressure energy. The invention realizes the comprehensive utilization of heat energy and pressure energy of the supercritical hydrothermal synthesis system, effectively reduces the operation cost of the supercritical hydrothermal synthesis system, and improves the economical efficiency of the system.
Description
technical field [0001] The invention belongs to the technical field of chemical industry and environmental protection, and in particular relates to a nano particle supercritical hydrothermal synthesis system and method for comprehensive utilization of energy. Background technique [0002] Nanotechnology has an important strategic position in the industrial revolution in the 21st century. Its rapid development has caused revolutionary changes in almost all industrial fields. It is the most important and most promising frontier technology in the 21st century. Compared with ordinary powders, nanomaterials have superior properties, such as large specific surface area, interface effects, quantum effects and quantum tunneling effects, etc., endowing them with unique properties and specific electrical, thermal, magnetic, optical and mechanical properties. , are widely used in various fields. Traditional methods for preparing nanopowders can be divided into two categories: physical...
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IPC IPC(8): B22F9/24C02F101/30
CPCB01J19/0013B01J19/0053B01J19/24C02F1/043C02F1/048C02F1/72C02F2101/30
Inventor 王树众杨健乔张宝权张熠姝刘璐杨闯
Owner XI AN JIAOTONG UNIV