The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2021
Filed:
Oct. 16, 2020
Zhejiang University of Science and Technology, Zhejiang, CN;
Shengdao Shan, Zhejiang, CN;
Tianyong Xiang, Zhejiang, CN;
Jingming Li, Zhejiang, CN;
Ping Zheng, Zhejiang, CN;
Huicai Cheng, Zhejiang, CN;
Wu Huang, Zhejiang, CN;
Zhirong Wang, Zhejiang, CN;
Baolan Hu, Zhejiang, CN;
Changai Zhang, Zhejiang, CN;
Zhejiang University of Science and Technology, Zhejiang, CN;
Abstract
A high-concentration anaerobic fermentation apparatus includes a liquid accumulation tank, a fermentation vessel, a feeding assembly, and a biogas residue collecting bin. The feeding assembly includes a hopper and a return conveyor belt including a first portion extending downward from the hopper till below a liquid level, a second portion extending upward from a bottom end of the first portion till above the liquid level, a third portion extending downward from a top end of the second portion till the liquid level, and a fourth portion extending upward from a bottom end of the third portion till out of the liquid level and above the biogas residue collecting bin. A pressure-feed flange is disposed at an outer side of the fermentation vessel, a feed channel is formed between the pressure-feed flange and the first portion, and a discharge channel is formed between the pressure-feed flange and the fourth portion.