Sludge treatment reactor

A sludge treatment and reactor technology, applied in the direction of oxidation treatment of sludge, can solve the problems of air pollution, large energy consumption, groundwater resource pollution, etc., and achieve the effect of complete oxidation reaction and efficient sludge treatment

Active Publication Date: 2016-07-27
北京首创大气环境科技股份有限公司 +1
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Problems solved by technology

[0003] The current sludge treatment methods mainly include landfill, incineration, composting, etc. Landfill occupies a large amount of land, and the leachate causes serious pollution to groundwater resources; incineration consumes a lot of energy, and the dioxin produced by incineration causes pollution to the atmosphere. Secondary pollution; composting takes a long time and has certain pollution to the atmosphere

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Embodiment Construction

[0024] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0025] The invention provides a sludge treatment reactor, see figure 1 , the reactor includes a vertically arranged kettle body 1 and an insulation layer coated on the outside of the kettle body 1 , the arranging of the insulation layer can effectively prevent heat exchange between the outside world and the kettle body 1 , and maintain the kettle body 1 The constant temperature inside plays a crucial role. The material of the kettle body 1 is an explosive composite metal plate, the inner layer of the explosive composite metal plate is 316 stainless steel, and the outer layer is carbon steel to ensure sufficient strength so that the kettle body 1 can work under high temperature and high pressure.

[0026] A heat exchanger 10 for preheating air is provided on the inner upper part of the kettle body 1 , and the heat exch...

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Abstract

The invention relates to a sludge treatment reactor which comprises a kettle body which is vertically arranged and an insulating layer covering the outer side of the kettle body; a heat exchanger for preheating an oxidizing medium is arranged on the upper part inside the kettle body; a heat exchange structure for preheating sludge slurry is arranged in the middle inside the kettle body; the heat exchange structure is connected to a material inlet on the outer side of the middle of the kettle body; at least one longitudinally-arranged electric heating bar and at least one transversely-arranged stirrer are arranged on the lower part inside the kettle body; a gas inlet and an exhaust port are respectively formed in the bottom and the top of the kettle body; a material outlet and a drain outlet are also formed in the bottom of the kettle body. The sludge treatment reactor disclosed by the invention can respectively preheat the oxidizing medium and sludge material by virtue of the heat exchanger and the heat exchange structure, so that the oxidizing medium and the sludge material just entering the reactor have relatively high temperature, and thus a faster and more complete oxidizing reaction is implemented.

Description

technical field [0001] The invention relates to equipment for treating sludge, in particular to a sludge treatment reactor. Background technique [0002] Since entering the "Eleventh Five-Year Plan", my country's sewage treatment industry has developed rapidly, and the sewage treatment capacity and treatment rate have increased rapidly, which has brought about a rapid increase in sludge production. According to the data of the Ministry of Housing and Urban-Rural Development, by the end of 2009, the national urban sewage treatment volume reached 28 billion cubic meters, and the production of wet sludge (with a moisture content of 80%) exceeded 20 million tons. According to the survey results, 80% of the sludge produced by my country's sewage treatment plants has not been properly treated, and the random accumulation of sludge and the pollution and re-pollution problems caused by it have become prominent and have aroused social concern. [0003] The current sludge treatment m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/06
Inventor 武晓剑郭鹏王晓林李振华王薇郑向军薛峰李明富李婷
Owner 北京首创大气环境科技股份有限公司
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