Cyclone type supercritical water oxidation reactor

A supercritical water oxidation and reactor technology, applied in chemical instruments and methods, oxidized water/sewage treatment, water pollutants, etc., can solve problems such as inorganic salt particle deposition, achieve compact structure, ensure long-term stable operation, occupy Small area effect

Pending Publication Date: 2020-09-04
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a cyclone supercritical water oxidation reactor to solve the problem that inorganic salt particles are deposited on the inner wall of the reactor

Method used

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  • Cyclone type supercritical water oxidation reactor
  • Cyclone type supercritical water oxidation reactor
  • Cyclone type supercritical water oxidation reactor

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Embodiment Construction

[0021] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0022] Such as figure 1 Shown is a cyclone supercritical water oxidation reactor according to an embodiment of the present invention, which includes a reactor cylinder, an electric heating module wrapped around the outer periphery of the reactor cylinder, and the reactor cylinder Connected sealing cap. The reactor barrel is connected with a sealing cap to seal the reactor barrel.

[0023] Such as figure 1 As shown, the reactor shell includes a cylindrical shell 1, a conical shell 2 connected to the cylindrical shell 1 and arranged below it, a water inlet pipe 3 arranged on the inner wall of the cylindrical shell 1 and The salt discharge pipe 4 arranged at the bottom of the conical cylinder 2. The lower end of the cylindrical barrel 1 is welded to the upper end of the conical barrel 2, and the tip of the conical barrel 2 is downward, which is be...

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PUM

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Abstract

The invention provides a cyclone type supercritical water oxidation reactor. The cyclone type supercritical water oxidation reactor comprises a reactor barrel, an electric heating module wrapping theperiphery of the reactor barrel and a sealing cover connected with the reactor barrel, wherein the reactor barrel comprises a cylindrical barrel, a conical barrel connected with the cylindrical barreland arranged below the cylindrical barrel, a water inlet pipe arranged on the inner wall of the cylindrical barrel and a salt discharge pipe arranged at the bottom of the conical barrel, and the extension direction of the water inlet pipe is the horizontal direction and is tangent to the inner wall of the cylindrical barrel. According to the cyclone type supercritical water oxidation reactor disclosed by the invention, organic waste liquid, water and an oxidizing agent do cyclone motion in a supercritical region of the reactor, so precipitated inorganic salt is effectively prevented from being deposited on the inner surface of the supercritical region; inorganic salt particles generated in the reaction process fall into a subcritical region under the action of gravity, are dissolved againand are then discharged from the bottom, so long-term stable operation of the reactor is guaranteed; and the reactor is compact in structure and small in occupied area.

Description

technical field [0001] The invention relates to the technical field of organic waste liquid treatment, in particular to a cyclone type supercritical water oxidation reactor. Background technique [0002] Supercritical water oxidation (SCWO) refers to the oxidation reaction of organic waste and air, oxygen and other oxidants in supercritical water to remove organic waste. The system reaction rate in supercritical water oxidation technology is fast, and the C, H, and O is eventually converted to CO 2 and H 2 O, and S, P, N are correspondingly transformed into SO 4 2- 、PO 4 3- , N 2 etc., can effectively degrade organic matter and will not form secondary pollution, and the removal rate of organic matter by supercritical water oxidation method can reach more than 99%. [0003] At room temperature, water is an excellent solvent for most salts, with a solubility of up to 100g / L. However, the solubility of most salts in supercritical water is extremely low. In supercritical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72C02F101/30
CPCC02F1/722C02F1/727C02F2101/30C02F2201/002
Inventor 王帅张强秦强乔延波钱正华何柳斌彭红花
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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