Sludge treatment device using catalytic wet oxidation method

Abstract

The invention relates to a sludge treatment device using a catalytic wet oxidation method, and relates to the technical field of sludge treatment equipment, the device comprises a high-temperature high-pressurekettle and a sealing cover, the left side of the front surface of the high-temperature high-pressure kettle is provided with an electrothermal furnace, and the left side of the high-temperature high-pressure kettle is connected with an oxygen gas tank, the sealing cover is arranged at the upper end of the high-temperature high-pressure kettle, and the sealing cover is connected to the high-temperature high-pressure kettle through bolts, and the upper right side of the oxygen gas tank is inlaid with an air inlet pipe. The method has the advantages that: by rotating an agitator shaft in the high-temperature high-pressure kettle through a rotating shaft, aagitator rod can be driven to stir the sludge, so that the catalyst can be mixed with the sludge quickly and evenly, and the sludge can be fully and rapidly contacted with the oxygen. The catalytic oxidation of the sludge can be accelerated and the sludge is uniformly contacted with heat, so that the sludge can be quickly treated, and the organic matters and reductive inorganic matters in the sludge can be quickly oxidized to carbon dioxide and water and a small amount of solid residue.

Description

technical field [0001] The invention relates to the technical field of sludge treatment equipment, in particular to sludge treatment equipment using a catalytic wet oxidation method. Background technique [0002] The sludge in urban sewage treatment plants mainly comes from primary sedimentation tank sludge and residual activated sludge. There are many ways to dispose of urban sludge, which vary greatly depending on the situation of the country. According to the final destination of the sludge, it can be divided into sludge Utilization and harmless of sludge, wet air oxidation technology is to fill oxygen under high temperature and high pressure to oxidize organic matter and reducing inorganic matter in sludge into carbon dioxide, water and a small amount of solid residue. This method can obtain high The organic matter removal rate and energy recovery rate are high, and the treatment is carried out in a closed container without odor and soot. The sterilization effect is good...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of sludge treatment equipment adopting catalytic wet oxidation method to solve the problem of the high-efficiency and safe sludge environmental protection treatment equipment disclosed in the Chinese invention patent application publication specification CN107804956 A proposed in the above-mentioned background technology. Although the sludge environmental protection treatment equipment is driven by the motor to accelerate the evaporation of the moisture in the sludge, and the fan accelerates the air flow to accelerate the evaporation, but the moisture generated in the sludge cannot be used for secondary use, and although the generated gas is collected by the gas collecting tank , to prevent it from being discharged into the air to affect the environment, but the gas generated after being heated by the heater has a certain temperature, and direct collection will cause the problem of heat loss

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