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Sludge low-temperature carbonization system

A carbonization system and sludge technology, applied in pyrolysis treatment of sludge, dewatering/drying/concentrated sludge treatment, etc., can solve the problems of unstandardized treatment of sludge, threats to the ecological environment, and backward disposal methods, etc. Thorough and efficient treatment, low cost, and the effect of avoiding pollution

Pending Publication Date: 2020-12-18
江苏东南环保科技有限公司
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Problems solved by technology

It can be seen that landfill is still the main method of sludge treatment in my country. In addition, my country's urban sewage treatment enterprises have insufficient disposal capacity and backward disposal methods. A large amount of sludge has not been treated in a standardized manner, which directly caused "secondary pollution". Serious threat to the ecological environment

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  • Sludge low-temperature carbonization system

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Embodiment Construction

[0016] like figure 1 As shown, a sludge low-temperature carbonization system adopts a new treatment method to avoid environmental pollution and protect the ecological environment. The sludge low-temperature carbonization system uses low-temperature, medium-high pressure parameters to lyse the cells in the sludge, The final sludge changes from the original semi-solid state to a liquid state, and the water is easy to escape, so that the moisture content of the sludge is reduced to below 50%. After dewatering, the sludge looks like sand and is easy to dry. Forced air drying can further reduce the moisture content to below 30%, and natural air drying (3-5 days) can reach below 10%. The use of this system has effectively improved The overall efficiency of the treatment and the overall safety in the treatment process are better, which can ensure a more thorough and efficient treatment of the sludge. The cost of the overall treatment system is lower when it is used, and it does not n...

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Abstract

The invention relates to the technical field of sludge treatment, in particular to a sludge low-temperature carbonization system. The sludge low-temperature carbonization system comprises a wet sludgebin, a screw conveyer, a plunger pump, a modulation tank, a filter, a dosing tank, a high-pressure plunger pump, a sludge buffer tank, a preheater, a heater, a reaction kettle, a cooler, a pressure reducing device, a lysis solution storage tank, a heater heat source, a connecting pipeline and a valve instrument which are communicated with each other; according to the flow path of wet sludge, thewet sludge is conveyed to the plunger pump from the wet sludge bin through a spiral conveyor and a main path, and the wet sludge is pressurized by the plunger pump along the stroke of the main path and then conveyed to the modulation pool to be modulated. The sludge treatment system has the advantages that the overall efficiency during treatment is effectively improved, the overall safety in the treatment process is better, it can be guaranteed that sludge is treated more thoroughly and efficiently, and the cost of the overall treatment system during use is lower.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a sludge low-temperature carbonization system. Background technique [0002] Sludge is the product of sewage treatment, which is an extremely complex heterogeneous body composed of organic debris, bacterial cells, inorganic particles, colloids, etc. The main characteristics of sludge are high water content (up to 99%), high content of organic matter, easy to rot and smell, and the particles are finer, the specific gravity is smaller, and it is in a colloidal liquid state. It is a thick substance between liquid and solid, which can be transported by pump, but it is difficult to separate solid and liquid by sedimentation. According to the source of sludge, there are mainly municipal sludge, industrial wastewater sludge, etc. Municipal sludge includes domestic sewage treatment plant sludge, water supply sludge, river sludge, etc. Industrial wastewater sludge includes prin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10C02F11/13
CPCC02F11/10C02F11/13
Inventor 杨松华
Owner 江苏东南环保科技有限公司
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