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Supercritical water oxidation ignition system and ignition process

A technology of supercritical water oxidation and ignition system, which is applied in the direction of combustion ignition, ignition by guiding flame tongue, combustion method, etc. It can solve problems such as severe pressure fluctuations and fluctuating furnace temperature, so as to reduce workload, improve ignition stability, Solve the effect of flying temperature and pressure fluctuations

Active Publication Date: 2018-07-24
ENN ENVIROTECH CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a supercritical water oxidation ignition system, which aims to solve the problems of the reactor furnace temperature jump and pressure fluctuations caused by the sudden change of fuel calorific value in the supercritical water oxidation ignition process of the prior art

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  • Supercritical water oxidation ignition system and ignition process
  • Supercritical water oxidation ignition system and ignition process
  • Supercritical water oxidation ignition system and ignition process

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Embodiment Construction

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention provides a supercritical water oxidation ignition system. The supercritical water oxidation ignition system comprises a fuel metering pump, a mixer, a high-pressure fuel pump, a heatingfurnace and a reactor, and the fuel metering pump, the mixer, the high-pressure fuel pump, the heating furnace and the reactor are connected in sequence through pipelines; the fuel metering pump is connected with a feeding pipeline; the mixer is connected with a water charging pipeline; and a nozzle of the reactor is connected with a high-pressure oxygen pipeline. The invention further provides asupercritical water oxidation ignition method which comprises the following steps: heating and pressurizing the reactor, mixing a water-soluble fuel with water and afterwards feeding the mixture to the reactor; making the mixture react with oxygen; heating the reactor again; and regulating the flow rate of the water-soluble fuel output by the fuel metering pump to continuously increase the temperature of the reactor. According to the method provided by the invention, the temperature of the reactor can be increased continuously and finally reaches 600-700 DEG C to finish ignition, thus the problems about reactor temperature runaway and drastic pressure fluctuation caused by sudden change of the thermal value of the fuel in a supercritical water oxidation process are solved, the ignition stability is improved, the ignition time is shortened, and the workload is reduced.

Description

technical field [0001] The invention belongs to the technical field of supercritical water oxidation, and more specifically relates to a supercritical water oxidation ignition system and a supercritical water oxidation ignition process. Background technique [0002] Supercritical Water Oxidation (Supercritical Water Oxidation) technology is a new technology for treating organic waste. This technology is under the condition of high temperature and high pressure exceeding the critical point of water (T=374°C, P=22.1MPa), passing an oxidant and organic matter to undergo a violent oxidation reaction, generally under the conditions of 22-30MPa, 600-700°C react. In this reaction process, oxygen and organic matter are completely dissolved in supercritical water, so almost all organic matter can be oxidized into harmless small molecular compounds under its conditions. Supercritical water oxidation technology is a very efficient organic waste liquid handling technology. Supercriti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23Q9/00
CPCF23Q9/00
Inventor 聂俊国程乐明齐孝丰王青
Owner ENN ENVIROTECH CO LTD
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