Safety guarantee system and method for supercritical water oxidation device

A technology for supercritical water oxidation and safety assurance, applied in the direction of oxidized water/sewage treatment, etc., can solve problems such as overpressure, hidden dangers in process safety, and shortened reactor life, so as to save consumption, prevent overtemperature damage of the wall surface, and prevent wall surface The effect of overheating

Pending Publication Date: 2022-07-26
XI AN JIAOTONG UNIV
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Problems solved by technology

However, while the compact supercritical water oxidation equipment achieves high efficiency, low cost and rapid degradation, due to its high compactness and core reaction temperature, the reactor faces potential risks such as overtemperature on the wall surface and overpressure inside the reaction chamber. Resulting in shortened reactor life and potential safety hazards in the process

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  • Safety guarantee system and method for supercritical water oxidation device

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.

[0037] In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", "one side", "one end", "one side", etc. The orientation or positional relationship is only for the convenience of describing the present inventio...

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Abstract

The invention discloses a safety guarantee system and a safety guarantee method for a supercritical water oxidation device, which are characterized in that a plurality of cooling assemblies and heating assemblies are arranged, so that the fluid temperature and the wall surface temperature after reaction are effectively controlled while the preheating temperature rise of organic wastewater and mixed water in a reactor is realized; the arranged accident emergency treatment unit can effectively cope with accidental pressure sudden rise in the reactor, and safe operation of the device is secondarily guaranteed; the method can be widely applied to the field of supercritical water oxidation of organic wastewater.

Description

technical field [0001] The invention belongs to the technical field of organic waste treatment equipment, and in particular relates to a safety guarantee system and method for a supercritical water oxidation device. Background technique [0002] Supercritical water has excellent physical and chemical properties including few hydrogen bonds, low dielectric constant, low viscosity, high diffusion coefficient and mutual solubility with organic substances and oxidants. Compared with other organic solvents, it is more conducive to the realization of green chemical processes. . Supercritical water oxidation technology refers to the rapid homogeneous oxidation reaction of organic matter and oxidant in supercritical water, and the organic matter is completely converted into H 2 O and CO 2 and other processes of harmless small molecules. Under the reaction conditions of 400~650℃ and 24~30MPa, the removal rate of organic matter can reach more than 99% within a few minutes. [0003...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72
CPCC02F1/72C02F2303/14C02F2201/002
Inventor 王树众孙圣瀚李艳辉张凡李紫成丁璐耿一然
Owner XI AN JIAOTONG UNIV
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