Control method of waste organic compound supercritical water reaction and treatment system
A supercritical water and reaction system technology, which is applied in the removal of solid waste, oxidized water/sewage treatment, and oxidation treatment of sludge, etc., can solve the problems of simple structure and no control method for supercritical water treatment reaction system, etc. Achieve the effect of improving the level of automation
Inactive Publication Date: 2011-07-27
XI AN JIAOTONG UNIV
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[0003] The operating conditions of high temperature and high pressure put forward strict requirements on the control of supercritical water treatment reaction system. Although there have been many supercritical water treatment reaction systems for waste organic matter, the structure of these reaction systems is relatively simple, and no complex reaction system has been seen. A report on the control method of supercritical water treatment reaction system
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[0029] Combine below figure 1 The control method of the present invention is described in further detail:
[0030] refer to figure 1 , figure 2 , Waste organic matter supercritical water treatment reaction system, mainly includes: reaction unit, oxygen supply unit, material supply unit, evaporation wall water supply unit, cooling water supply unit, liquid collection unit.
[0031] The reaction unit includes a vertically arranged mixer 2, a countercurrent tank reactor 3 with a built-in evaporation wall, a desalination and slag removal device 11, and a salt storage tank (not shown in the figure). The material outlet of the mixer 2 is connected to the material inlet of the reactor 3, the salt discharge outlet at the bottom of the reactor 3 is connected to the inlet of the desalination and slagging device 11, and the bottom outlet of the desalination and slagging device 11 is connected to the inlet of the salt storage tank. end connection. A cooling coil 4 is provided in the ...
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The invention relates to the waste organic compound supercritical water treatment field, in particular to the filed that supercritical water is used as reaction medium to perform harmless treatment and resource recycling to high concentration organic wastewater, municipal sludge and other waste organic compounds which are difficult to be biochemically degraded and discloses a control method of a waste organic compound supercritical water reaction and treatment system. The control method can conveniently adjust the internal temperature and pressure of the reactor to satisfy the reaction conditions, adjust the wall temperature of the pressure retaining wall of the reactor and ensure that the waste organic compound supercritical water treatment system can run steadily, safely and reliably.
Description
technical field [0001] The invention relates to the field of supercritical water treatment of waste organic matter, in particular to the use of supercritical water as a reaction medium for harmless treatment and resource utilization of waste organic matter such as high-concentration organic waste water / urban sludge that is difficult to degrade biochemically, specifically a A control method for a supercritical water treatment reaction system for waste organic matter. Background technique [0002] Supercritical Water (SCW for short) refers to water in a special state whose temperature and pressure are both higher than its critical point (T=374.15°C, P=22.12MPa). Supercritical water has the properties of both liquid and gaseous water. In this state, only a small amount of hydrogen bonds exist. The dielectric constant is similar to that of organic solvents. It has a high diffusion coefficient and low viscosity. Under a sufficiently high pressure, organic matter and oxygen can b...
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IPC IPC(8): B09B3/00C02F1/72C02F11/06
Inventor 王树众徐东海公彦猛张钦明郭洋
Owner XI AN JIAOTONG UNIV