Device for producing biogas with high methane content by utilizing livestock and poultry feces

US11608482B2 · kind B2 · utility

Assignees

• South China University of Technology · CN
• GUANGDONG UNIVERSITY OF PETROCHEMICAL TECHNOLOGY · CN
• GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES · CN

Inventors

• XiaoJun Niu · 流花街道, CN
• MengYu Lv · Longbeilingcun, CN
• Xia Li · San Diego, US
• Li Ming Zhang · Chengdu, CN
• NingYu Tu · Longbeilingcun, CN
• XingYao Ye · Longbeilingcun, CN
• Dongqing Zhang · New York, US
• LiHua Cheng · Longbeilingcun, CN
• HuaFang Guo · 流花街道, CN

Key dates

• Filing date: Jan 17, 2020
• Grant date: Mar 21, 2023
• Expiry date: Apr 3, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/40
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

The invention discloses a device for producing biogas with high methane content by utilizing livestock and poultry feces, wherein the interior of a tank body of a biogas fermentation tank is divided by a baffle, so as to form a main reaction chamber and an auxiliary reaction chamber which are communicated in upper portions, so that a reactant flows into the auxiliary reaction chamber only after entering the main reaction chamber via a relatively low feeding hole and then reaching a high position of a liquid level, and extension of fermentation time is realized, meanwhile, scales formed at the top of fermentation broth flow into the auxiliary reaction chamber along with liquid, so that the interior of the main reaction chamber keeps a liquid state all the time, and sealing and reduction of quantity of anaerobic bacteria are avoided.