A corrosion-resistant and anti-clogging supercritical water oxidation reaction device
A supercritical water oxidation and reaction device technology, applied in the direction of oxidation water/sewage treatment, water/sewage treatment, chemical instruments and methods, etc., can solve problems such as corrosion and blockage, achieve stable operation, prevent deposition, and simple structure Effect
Active Publication Date: 2018-07-13
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology
[0005] In order to solve the problems of corrosion and clogging in the above-mentioned prior art, the present invention aims to provide a corrosion-resistant and anti-clogging supercritical water oxidation reaction device
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[0017] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.
[0018] figure 1 It is a cross-sectional view of a corrosion-resistant and anti-clogging supercritical water oxidation reaction device according to the present invention. Similar to the existing device, this supercritical water oxidation reaction device has an outer cylinder 7, and its top and bottom ends pass through the upper end cover 6 and the The lower end cover 15 is sealed to form a reaction zone. The supercritical water oxidation reaction device has an oxidant inlet 1 and an organic waste liquid inlet 2, so that the oxidant and organic waste liquid are respectively introduced into the reaction zone. Different from existing devices, the supercritical water oxidation reaction device of the present invention has three boundary fluid inlets (low temperature boundary fluid inlet 16, medium temperature boundary fluid inlet 17, high temperature bou...
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Abstract
The invention relates to a novel corrosion-resistant anti-blocking supercritical water oxidation reaction device. The top end and the bottom end of an outer barrel are sealed through an upper end cover and a lower end cover respectively. The supercritical water oxidation reaction device is of a three-layer tube-in-tube structure and comprises a fluid distribution barrel and a porous inner barrel which are coaxially arranged with the outer barrel. A first annular space is formed between the outer barrel and the fluid distribution barrel, and a second annular space is formed between the fluid distribution barrel and the porous inner barrel. A center area is formed in the porous inner barrel. A low-temperature boundary fluid inlet, a medium-temperature fluid inlet and a high-temperature boundary fluid inlet are formed in different height positions of the outer barrel. A plurality of distribution holes are formed in the fluid distribution barrel, a plurality of micropores are distributed in the porous inner barrel, and water sequentially enters the first annular space, the second annular space and the center area through the different inlets. The novel corrosion-resistant anti-blocking supercritical water oxidation reaction device can effectively solve the existing problems of corrosion, blockage, boundary fluid distribution unevenness and the like.
Description
technical field [0001] The invention relates to a high-temperature and high-pressure reaction device, in particular to a corrosion-resistant and anti-clogging supercritical water oxidation reaction device. Background technique [0002] At present, the treatment methods of organic waste liquid mainly include oxidation method, adsorption filtration method, incineration method and so on. Among them, there will be residual organic matter in the water samples treated by oxidation method and adsorption filtration method, while the treatment cost of incineration method is relatively high, and substances such as dioxin will be produced, which requires subsequent treatment. [0003] Supercritical water oxidation technology (SCWO, supercritical water oxidation) developed with supercritical water as the reaction medium has become a hot spot in the research of organic waste treatment due to its advantages of rapid reaction, complete oxidation, and simple equipment. For the large amount...
Claims
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IPC IPC(8): C02F1/72
CPCC02F1/72C02F2201/002C02F2303/08
Inventor 王红玉王帅马洪军秦强乔延波刘学阳钱正华
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI