Low-temperature plasma device for wall-breaking digestion of excess sludge

A low-temperature plasma and plasma technology, used in biological sludge treatment, dehydration/drying/concentrated sludge treatment, etc., can solve the problems of limited anaerobic digestion and hydrolysis stage, poor dehydration effect, difficult release and utilization, etc. Realize the effect of intelligent automatic continuous processing

Pending Publication Date: 2022-04-29
中国光大绿色技术创新研究院有限公司 +2
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Problems solved by technology

[0003] Sludge anaerobic digestion and sludge dewatering are currently the most widely used sludge reduction treatment technologies, but because a large amount of organic matter in sludge is coated by extremely stable extracellular polymers (EPS) and cell walls (membranes), it is difficult to The release and utilization of the anaerobic digestion and hydrolysis stage are limited to a certain extent; the moisture contained in the sludge includes the moi

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  • Low-temperature plasma device for wall-breaking digestion of excess sludge

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[0039] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0040] It should be understood that the invention can be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.

[0041] It will be understood that when an element or layer is referred t...

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Abstract

The invention discloses a low-temperature plasma device for wall-breaking digestion of excess sludge, which is characterized in that a box body of the device is obliquely arranged, so that the excess sludge flows from a sludge inlet to a sludge outlet under the action of gravity, continuous treatment of the excess sludge is realized, and additional energy consumption is not needed; and the automatic feedback control unit is used for controlling and adjusting the inclination angle of the box body and/or the operating parameters of the plasma generation unit and/or the operating parameters of the air inlet unit based on real-time monitoring of the sludge at the outlet, so that intelligent automatic continuous treatment of the residual sludge is realized.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a low-temperature plasma device for wall breaking and digestion of excess sludge. Background technique [0002] With the continuous acceleration of my country's urbanization process, industrial and residential water consumption is increasing year by year, and the discharge of industrial sewage and domestic wastewater is also increasing. Activated sludge process is the most widely used sewage treatment technology, and its additional product—residual sludge has also increased significantly. Excess sludge will cause organic pollution, pathogenic microorganism pollution, heavy metal pollution, salt pollution, etc. to the environment, posing threats to the environment and humans. [0003] Sludge anaerobic digestion and sludge dewatering are currently the most widely used sludge reduction treatment technologies, but because a large amount of organic matter in sludge is coated by extrem...

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Application Information

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IPC IPC(8): C02F11/15C02F11/04
CPCC02F11/15C02F11/04C02F2303/06
Inventor 王博常俊俊张海波肖诚斌赵彬
Owner 中国光大绿色技术创新研究院有限公司
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