A thermochemical sludge treatment system and its process

A sludge treatment and treatment system technology, applied in water/sludge/sewage treatment, dehydration/drying/thickened sludge treatment, water/sewage treatment, etc., can solve low dehydration rate, secondary environmental pollution, complex composition and other problems to achieve good results, improve dehydration performance and efficiency, and high processing efficiency

Active Publication Date: 2018-08-03
JIANGNAN UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the rapid growth of sewage sludge production and complex components, improper treatment will cause secondary pollution to the environment, and it is also a waste of nutrient resources contained in sludge
At present, sewage treatment plants usually use mechanical methods to dehydrate sludge, the dehydration rate is low, and subsequent sludge utilization methods are scarce, which is likely to cause secondary environmental pollution

Method used

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  • A thermochemical sludge treatment system and its process

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Embodiment Construction

[0024] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0025] Such as figure 1 As shown, the thermochemical sludge treatment system of this embodiment includes a homogenizer 1, a mixer 2, a reactor 3, an energy conversion system 4, a decompressor 7, a dehydrator 8, a return water tank 9, and a return water pump 10. The material delivery pump 11, the input end of the homogenizer 1 is the raw mud material inlet and is provided with a normally open high-temperature circulating fluid input pipeline, and the material delivery pump is installed on the connecting pipeline between the output end and the input end of the mixer 2 11. The output end of the mixer 2 is connected to the input end of the reactor 3 through a pipeline, and the output end of the reactor 3 is connected to the energy conversion system 4 through a pipeline, and the reaction liquid in the reactor 3 exchanges residual heat through the...

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Abstract

The invention relates to a thermochemical sludge treatment system. The treatment system comprises a homogenizer, a mixer, a reaction kettle, a transducer system, a decompressor, a dewaterer, a reflux water tank, a reflux water pump and a material delivery pump; the homogenizer is provided with a raw sludge material inlet, the material delivery pump is installed on a connecting pipeline arranged between the homogenizer and the input end of the mixer, the output end of the mixer is connected with the input end of the reaction kettle through a pipeline, and the output end of the reaction kettle is connected with the transducer system through a pipeline; the transducer system, the decompressor, the dewaterer, the reflux water tank and the reflux water pump are sequentially connected through pipelines, the reflux water pump delivers liquid in the reflux water tank to the transducer system, and then a transducer and water circulation system is formed. The invention further discloses a thermochemical sludge treatment technology which comprises the steps of sludge homogenizing, secondary heating, thermochemical reacting, transducer system, heating treating and the like. The thermochemical sludge treatment system and technology have the advantages of being low in cost and energy consumption and high in sludge treatment efficiency.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a thermochemical treatment system and a treatment process for sludge. Background technique [0002] With the gradual acceleration of industrialization and urbanization in my country, the water consumption and drainage of cities have also gradually increased, which has intensified the rapid growth of sludge output in sewage treatment plants. Due to the rapid growth of sewage sludge production and complex components, improper treatment will cause secondary pollution to the environment, and it is also a waste of nutrient resources contained in sludge. At present, sewage treatment plants usually use mechanical methods to dehydrate sludge. The dehydration rate is low, and subsequent sludge utilization methods are scarce, which is likely to cause secondary environmental pollution. Contents of the invention [0003] In view of the above-mentioned shortcomings of the prior ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/12C02F101/20C02F101/30
CPCC02F11/12C02F2101/20C02F2101/30C02F2201/007
Inventor 孙昊胡雁龙周洋王天一
Owner JIANGNAN UNIV
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