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Biogas fermentation waste liquid combined lean coal slurry co-gasification system

A biogas fermentation and co-gasification technology, which is applied in the field of biogas fermentation waste liquid combined with lean coal slurry co-gasification system, can solve the problem of difficult treatment of fermentation waste liquid, save flue gas treatment equipment, protect the environment and save energy cost effect

Inactive Publication Date: 2017-07-07
YULIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the present invention is to overcome the above-mentioned deficiencies and provide a biogas fermentation waste liquid combined with lean coal slurry co-gasification system, combined with relatively mature coal slurry gasification technology to solve the problem of difficult treatment of fermentation waste liquid after large and medium-sized anaerobic fermentation

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  • Biogas fermentation waste liquid combined lean coal slurry co-gasification system

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] see figure 1 , the present invention includes a biogas digester constant temperature fermentation system with a biogas digester 5, the biogas digester 5 has a bioenergy inlet, and the bioenergy enters the biogas digester 5 through a screw feeder 7, and the fermentation waste liquid outlet of the biogas digester 5 is connected to a waste liquid mill The pulper 9 and the liquid outlet of the waste liquid refiner 9 are connected to the gasification system. The gasification system has a lean coal pulverizer 11 and a gasifier 15. The gasification system combines the liquid of the waste liquid refiner 9 with the lean coal After mixing, it is sent to the gasifier 15, and the biogas digester 5 and the gasifier 15 are respectively connected to the synthesizer reactor 19 through the desulfurization tower 18 and the dust collector 17, and the synthesizer reactor 19 is conn...

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Abstract

The invention discloses a biogas fermentation waste liquid combined meager coal pulping co-gasification system, including a biogas thermostat fermentation system with a biogas tank. The biogas tank has a biological energy inlet; a waste fermentation outlet of the biogas tank is in connection to a waste liquid refining machine; a liquid outlet of the refining machine is connected to a gasification system; the gasification system comprises a meager coal mill and a gasifier; the gasification system mixes the liquid from the refining machine and meager coal, and sends the mixture into the gasifier; the gas outlets of the biogas tank and the gasifier are connected to a synthesizer reactor; and the synthesizer reactor is connected to a gas tank and a gas turbine group. The raw materials are biomass energy system and meager coal resources with low combustion efficiency, which are joined to produce clean synthesis gas resources by biogas fermentation technology, gasification technology and synthesis gas technology.

Description

[0001] 【Technical field】 [0002] The invention belongs to the field of renewable energy, and in particular relates to a co-gasification system of methane fermentation waste liquid combined with lean coal into slurry. [0003] 【Background technique】 [0004] Biogas projects play an important role in the protection and improvement of the ecological environment and the recycling of resources. However, after the normal operation of large-scale biogas projects, the by-products of biogas slurry and residue produced every day range from several hundred tons to several thousand tons. How to deal with a large amount of biogas residue and biogas slurry has become a big problem. [0005] At present, there are two main ways to utilize biogas residue as a resource, namely breeding and land use. Among them, the application of biogas residues in aquaculture is mainly for crop feed or feed additives in aquatic products and livestock and poultry farming. The excessive use of biogas residues o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/38C10J3/48C10J3/84C10J3/72C12M1/107C12M1/02
CPCC01B3/38C10J3/48C10J3/72C10J3/84C10J2300/0906C10J2300/093C10J2300/0946C12M21/04C12M33/16C12M41/24C12M43/00Y02E50/30Y02P20/133
Inventor 周丹丹翟盼盼李红博胡广涛杨健
Owner YULIN UNIV