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Alternate operation supercritical water oxidation system

A supercritical water oxidation, alternating technology, applied in the direction of oxidized water/sewage treatment, water/sewage treatment, water treatment parameter control, etc., can solve the problems of salt deposition, system corrosion, etc., achieve preheating, improve energy utilization Efficiency, achieve the effect of automatic dissolution and removal

Pending Publication Date: 2021-02-23
SHENZHEN HUAERXIN ENVIRONMENTAL PROTECTION TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of this, the present invention proposes an alternately operating supercritical water oxidation system to solve the problems of system corrosion and salt deposition, so that the system can operate continuously and reliably without greatly increasing the energy consumption of the system

Method used

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  • Alternate operation supercritical water oxidation system

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Embodiment 1

[0034] Such as figure 1 As shown, the alternately operating supercritical water oxidation system includes: a reactor 11, a differential pressure gauge 10, a controller 29, a heat recovery pipeline, a waste feed pipeline and an oxygen feed pipeline;

[0035] The reactor 11 is a coaxial double-tube reactor, including an inner tube and an outer tube; the inner tube is provided with a first opening and a second opening; the outer tube is provided with a third opening and a fourth opening;

[0036] The heat recovery pipeline is divided into two cooling fluid branches, and the two cooling fluid branches are respectively connected to the third opening and the fourth opening pipeline for recovering the reaction heat in the reactor 11;

[0037] The waste feed pipeline is divided into two feed branches, the first feed branch is often open 1A solenoid valve 32, the normally open 1# heater 8 is connected with the first opening of the reactor 11, the second feed Branch normally closed 1B ...

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Abstract

The invention relates to the field of energy conservation and environmental protection, and particularly discloses an alternate operation supercritical water oxidation system which comprises a reactor, a differential pressure gauge, a controller, a heat recovery pipeline, a waste feeding pipeline and an oxygen feeding pipeline. By combining a series of linkage electromagnetic valves and linkage heaters with differential pressure signals of the reactor, back-and-forth switching of reactor materials and heat recovery loop fluid is achieved, that is, switching of high and low temperature areas inthe reaction system is achieved, then automatic dissolution and removal of inorganic salt are achieved, and the reaction system is made to operate continuously and reliably.

Description

technical field [0001] The invention relates to the field of energy saving and environmental protection, and specifically discloses an alternately operating supercritical water oxidation system. Background technique [0002] Supercritical water oxidation is a method of "burning" and oxidizing organic matter with an oxidant under conditions exceeding the critical point of water (Pc=22.1MPa, Tc=374°C). This technology utilizes the unique properties of supercritical water (such as reduced density, viscosity, dielectric constant, ion product, weakened hydrogen bond, significantly enhanced diffusion performance, non-polar characteristics, etc.) to completely oxidize organic pollutants into CO 2 、H 2 O and other non-toxic and harmless products have unique advantages such as fast reaction rate, complete degradation, and no secondary pollution. It is one of the most potential organic wastewater treatment technologies at present. [0003] Based on the unique advantages of supercrit...

Claims

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Application Information

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IPC IPC(8): C02F1/72C02F1/02
CPCC02F1/727C02F1/02C02F2209/03C02F2303/10
Inventor 张凤鸣刘少华陈顺权施颖娜袁海章秋来王保童
Owner SHENZHEN HUAERXIN ENVIRONMENTAL PROTECTION TECH CO LTD