Refuse pyrolysis comprehensive sewage treatment system and method

A technology of a treatment system and a treatment method, which is applied in the field of waste pyrolysis integrated sewage treatment system

Pending Publication Date: 2016-07-20
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the development history of advanced oxidation technology is only about 20 years, it is not yet mature, and there are sti

Method used

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  • Refuse pyrolysis comprehensive sewage treatment system and method
  • Refuse pyrolysis comprehensive sewage treatment system and method
  • Refuse pyrolysis comprehensive sewage treatment system and method

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Embodiment 1

[0046] refer to figure 1 and figure 2 ,use figure 1 The waste pyrolysis comprehensive sewage treatment system shown in the figure treats domestic waste pyrolysis comprehensive sewage of a project. The water quality characteristics of sewage are shown in Table 1:

[0047] Table 1 Influent and effluent water quality

[0048]

[0049] The specific operation steps are as follows:

[0050] (1) Garbage pyrolysis sewage enters the first regulating pool from the garbage pyrolysis sewage collection pool, adjusts the pH of the water body to 5.5, and the effluent flows into the air flotation pool;

[0051] (2) The sewage is in the air flotation tank, and the demulsifier is added, and the emulsified oil and dissolved oil in the sewage are removed by the dissolved air flotation method. The pressure of the dissolved air tank is 0.6MPa, the hydraulic retention time is 20min, and the oil removal rate reaches 80 %, the removal rate of suspended solids is 40%; oil slicks accumulate on t...

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Abstract

The invention discloses a refuse pyrolysis comprehensive sewage treatment system and method. The system comprises a refuse percolate collection tank, a grid, a hoisting shaft, a refuse pyrolysis sewage collection tank, a first adjusting tank, an air flotation tank, a second adjusting tank, a biochemical tank, an activated carbon adsorption tank and a clean water tank, the grid is connected with the refuse percolate collection tank, the hoisting shaft is connected with the grid, the first adjusting tank is connected with the refuse pyrolysis sewage collection tank, the air flotation tank is connected with the first adjusting tank and provided with a demulsifier feeding port and an oil sludge discharging port, the second adjusting tank is connected with both the hoisting shaft and the air flotation tank and provided with a stirring device, the biochemical tank is connected with the second adjusting tank and provided with a concentrate outlet, the activated carbon adsorption tank is connected with the biochemical tank, and the clean water tank is connected with the activated carbon adsorption tank. By adopting the system, treatment of refuse pyrolysis sewage and refuse percolate at the same time is realized, outgoing water reaches standards, energy conservation and emission reduction are realized, and the system has engineering application value.

Description

technical field [0001] The invention belongs to the field of organic sewage treatment, and in particular relates to a treatment system and a treatment method for garbage pyrolysis comprehensive sewage. Background technique [0002] With the rapid development of urbanization in my country, the output of domestic waste is also increasing. The current waste treatment methods mainly include incineration, pyrolysis, landfill and composting. However, a large amount of sewage will be generated in the process of waste disposal in landfills and incineration plants, which is extremely harmful to the environment. It mainly comes from precipitation, water contained in garbage, and water generated during the treatment process. If it is not handled properly, it will seriously endanger the surrounding ecological environment and pollute the surface and groundwater. Therefore, the collection and treatment of garbage and sewage has become an urgent problem to be solved. [0003] Garbage p...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/02C02F1/24C02F1/28C02F1/66C02F3/30
Inventor 蔡先明肖磊张安强任浩华刘璐吴道洪
Owner SHENWU TECH GRP CO LTD
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