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Jet combustion device and method for super-critical water oxidization of organic matter

A supercritical water oxidation and combustion device technology, applied in the direction of combustion method, combustion type, incinerator, etc., can solve the problems of easy corrosion and blockage of the reactor

Inactive Publication Date: 2016-07-20
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Starting from optimizing the structure of the reactor, the present invention provides a jet combustion method for supercritical water oxidation of organic matter, and designs an internal preheating type supercritical water oxidation water film reactor, which transfers the preheating of organic waste from outside the reactor to In the reactor, the organic waste is injected into the reactor at normal temperature to solve the problem of organic waste in the preheating section, and at the same time solve the problem of easy corrosion and blockage of the reactor in the traditional supercritical water oxidation technology

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  • Jet combustion device and method for super-critical water oxidization of organic matter
  • Jet combustion device and method for super-critical water oxidization of organic matter
  • Jet combustion device and method for super-critical water oxidization of organic matter

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Embodiment Construction

[0037] A specific embodiment of the present invention is given below in conjunction with each accompanying drawing.

[0038] figure 1 The jet combustion device for the supercritical water oxidation of organic matter is composed of a reactor outer cylinder 5, a reactor inner cylinder 9, an upper flange end cover 4, a lower flange end cover 13, a coaxial jet burner 6, and a multi-point temperature measurement The envelope is composed of 15, and the reactor outer cylinder 5 and the upper and lower flange end covers 4, 13 are fastened by bolts, which is convenient for disassembly and assembly. The coaxial jet burner 6 is welded on the center line of the upper flange end cover 4 .

[0039] The coaxial jet burner 6 is a three-layer coaxial sleeve structure, including a central tube 6-1, an inner tube 6-2, and an outer tube 6-3; the central channel is formed by the central tube 6-1, and the central channel The inside is an auxiliary heat source; the middle annular channel is formed...

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Abstract

The invention provides a jet combustion device and method for super-critical water oxidization of organic matter. The device comprises an inner sleeve and an outer sleeve which are arranged together in a coaxial sleeving manner; a coaxial jet combustor extending into the reactor inner sleeve is coaxially installed at the top of the reactor inner sleeve; the coaxial jet combustor is of a three-layer coaxial sleeve structure, an auxiliary heat source access channel is located on the innermost layer, an oxidant access annular channel is located on the middle layer, and a waste liquid access annular channel is located on the outermost layer; and a process water jacket region, a super-critical water oxidization region and a subcritical water region capable of dissolving inorganic salt are formed in a reactor.

Description

technical field [0001] The invention belongs to the fields of environmental protection and chemical industry, and relates to a reactor for realizing the harmless treatment of organic waste by utilizing supercritical water oxidation, in particular to a jet combustion device and method for supercritical water oxidation of organic matter. Background technique [0002] Supercritical Water Oxidation (SCWO for short) technology is a process in which organic matter is oxidized using supercritical water as a medium. When the water reaches the critical point, that is, the temperature is 374°C and the pressure is above 22.05MPa, it will reach the supercritical state. The water in the supercritical state has different physical and chemical properties from the normal water. Supercritical water has a liquid-like density, solvency and good fluidity, as well as a gas-like diffusion coefficient and low viscosity. In supercritical water, the gas-liquid two-phase interface disappears, formin...

Claims

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Application Information

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IPC IPC(8): F23G7/04
CPCF23G7/04F23G2201/10F23G2207/101F23G2209/101
Inventor 陈守燕马春元张凤鸣陈桂芳
Owner SHANDONG UNIV
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