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Oxygen injection desulfurization sludge treatment method and anaerobic digester

An anaerobic digester and sludge treatment technology, applied in biological sludge treatment, gas fuel, waste fuel, etc., can solve the problems of low efficiency of biogas desulfurization and high operating cost of biogas desulfurization, and reduce investment costs and operating costs. The effect of improving efficiency and improving quality

Active Publication Date: 2022-08-05
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a sludge treatment method and an anaerobic digester for oxygen injection desulfurization in order to overcome the defects of low biogas desulfurization efficiency and high operating cost of biogas desulfurization in the prior art

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  • Oxygen injection desulfurization sludge treatment method and anaerobic digester
  • Oxygen injection desulfurization sludge treatment method and anaerobic digester
  • Oxygen injection desulfurization sludge treatment method and anaerobic digester

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Embodiment Construction

[0047] The present invention is further explained by the embodiment, but the invention is limited to the scope of the embodiment.

[0048] This embodiment provides a kind of example image 3 The anaerobic digestive pool shown can achieve sludge treatment methods in this embodiment by adopting the anaerobic digestion pool. Specifically, the anaerobic digestion pool includes anaerobic digestive pool body 1, anaerobic digestive pool on the body 1 with gas space 11, anaerobic digestive pool body 1 with gas injection system 2, gas injection system 2 connects gas phase phase phase 2 Space 11, anaerobic digestive pool on the body 1 also connects the biogas output system 3 and biogas circulation system 4. Among them, the gas injection system 2 has a branch gas injection unit 21, and the branch of the branch 21 is connected to the gas injection system 2. , The other end is connected to the biogas circulation system 4, branch gas injection unit 21 and biogas circulation system 4 connect to t...

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Abstract

The invention discloses an oxygen injection desulfurization sludge treatment method and an anaerobic digester, and the sludge treatment method comprises the following steps: S10, adjusting the sludge liquid level in an anaerobic digester body, and further adjusting the volume of a gas phase space above the sludge in the anaerobic digester body; s20, oxygen is injected into the gas-phase space, and the oxygen and the biogas in the gas-phase space are fully mixed; and S30, prolonging the residence time of the biogas in the anaerobic digester body by using the adjusted volume, and performing a desulfurization reaction of the biogas when the biogas stays in the anaerobic digester body until the desulfurization reaction of the biogas is completed. By adjusting the volume of the gas phase space, the volume meets the size required by the desulfurization reaction of the biogas, and oxygen is injected, so that the quality of the biogas after the desulfurization reaction of the biogas is improved, and the investment cost and the operation cost of other equipment such as an anaerobic digester during the desulfurization of the biogas are reduced.

Description

Technical field [0001] The present invention involves a sludge treatment method and anaerobic digestive pool for oxygen -injection desulfurization. Background technique [0002] The sludge is the final place of organic matter energy for sewage treatment. The excavation and use of energy during sewage treatment must start with the sludge. Similar to the sludge incineration technology, the synchronization of anaerobic and digestive technology has the advantages of reduction, harmlessness, stability, and resourceization. Especially in terms of energy use, the use of natural biological degradation to release the organic matter energy in the sludge. Generate energy-biogas (CH 4 ), Realizing the recycling of energy, anaerobic digestion technology should become one of the inevitable trends of future sludge treatment and disposal technology development. [0003] As a renewable energy source, biogas has become an important part of my country's energy strategy. Developing efficient desulfu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/04C10L3/10
CPCC02F11/04C10L3/103C02F2301/08Y02E50/30
Inventor 胡维杰周友飞张辰
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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