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Supercritical water oxidation system and starting method thereof

A supercritical water oxidation and oxygen technology, applied in the field of resources and environment, can solve the problems of preheating pipeline blockage, high energy consumption, high cost, etc., achieve stable startup, low energy consumption and cost, and avoid overly complicated design effects

Active Publication Date: 2017-12-22
GUANGZHOU INST OF ADVANCED TECH CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this will cause high energy consumption and high cost in the start-up phase, and there are risks such as blockage and over-temperature of the preheating pipeline

Method used

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  • Supercritical water oxidation system and starting method thereof

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Embodiment 1

[0039] Such as figure 1 As shown, the supercritical water oxidation system of the present invention includes a fuel branch 01, an evaporated water branch 02, a waste liquid branch 03, an oxygen branch 04, a water film reactor 14 and a mixer 6.

[0040] In the present invention, the fuel branch 01 is used as the supply source of system fuel; the waste liquid branch 03 is used to store the waste liquid material to be processed by the system; the water film reactor 14 is the reaction device of the system of the present invention; The evaporative water branch 02 provides water film protection for the water film reactor 14 on the one hand, and provides hot water for the fuel branch 01 on the other hand, which is mixed with fuel as a starting simulation material; The materials in the branch 01 and the waste liquid branch 03 are mixed; the oxygen branch 04 provides an oxygen source for the system reaction.

[0041] The water membrane reactor 14 includes a porous inner shell 14-6 and a pr...

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PUM

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Abstract

The invention relates to the technical field of resource and environment, in particular to a supercritical water oxidation system and a starting method thereof. The system comprises a fuel branch, evaporable water branches, a waste liquid branch, an oxygen branch, a water membrane reactor and a mixer; the fuel branch and the waste liquid branch are respectively connected to the mixer, and the mixer is connected with a raw material inlet of the water membrane reactor; the evaporable water branches are respectively connected to a raw material inlet and a side wall surface of the water membrane reactor, and the oxygen branch is connected with an oxygen inlet of the water membrane reactor. The supercritical water oxidation system adopts the fuel as a starting simulation material to start the supercritical water oxidation reaction of the simulation material, thereby achieving an effect for warming a furnace; then the real waste liquid is gradually used to substitute the fuel, so that the waste liquid can be directly injected into the reactor without being preheated.

Description

Technical field [0001] The invention relates to the technical field of resources and environment, in particular to a supercritical water oxidation system and a starting method thereof. Background technique [0002] High concentration (chemical oxygen demand COD> 2000mg / L), the treatment of toxic and refractory organic wastewater is a technical problem recognized at home and abroad. Traditional organic wastewater treatment technologies (such as physical and chemical treatment technology, biological treatment technology, wet oxidation, incineration, etc.) have problems such as high cost, low degradation rate, and secondary pollution. Supercritical Water Oxidation (SCWO), as a new type of organic wastewater treatment technology, is one of the effective methods to solve this problem. [0003] Supercritical water oxidation is a method of "burning" and oxidizing organic matter with air or other oxidants under high temperature and high pressure conditions exceeding the critical point ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10
CPCC02F1/048C02F1/72
Inventor 张凤鸣苏闯建陈久林杨杰陈顺权黄振飞
Owner GUANGZHOU INST OF ADVANCED TECH CHINESE ACAD OF SCI
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