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Method for producing biomass fuel blocks from sludge of sewage plant

A production method and biomass technology, applied in the direction of biofuel, waste fuel, biological sludge treatment, etc., can solve the problems of polluted air, inability to turn sludge into treasure, unhealthy production and maintenance personnel, etc., and achieve the goal of degrading pollution Mud, the effect of reducing the phenomenon of emitting bad odor

Inactive Publication Date: 2018-06-29
青岛宏洋生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The fresh sludge just out of the sewage treatment plant is precipitated from the water and basically does not smell bad. After that, the organic matter in the sludge undergoes anaerobic fermentation rapidly under the action of anaerobic bacteria, producing a large amount of ammonia, hydrogen sulfide, Odor gas such as biogas emits foul smell, which not only pollutes the surrounding air, but is also extremely harmful to the health of production and maintenance personnel
It is not yet possible to turn sludge into treasure

Method used

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  • Method for producing biomass fuel blocks from sludge of sewage plant
  • Method for producing biomass fuel blocks from sludge of sewage plant
  • Method for producing biomass fuel blocks from sludge of sewage plant

Examples

Experimental program
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Embodiment 1

[0026] 1) Bacteria culture: Screen the strains of nitrifying bacteria, actinomycetes, filamentous bacteria, photosynthetic bacteria, Lactobacillus plantarum, Bacillus subtilis, Saccharomyces cerevisiae, Lactobacillus paracasei, and Bacillus licheniformis, and then conduct bacterial Species morphological identification, activity analysis of enzymes secreted by the strains. 12 parts of nitrifying bacteria, 18 parts of actinomycetes, 8 parts of filamentous bacteria, 14 parts of photosynthetic bacteria, 3 parts of Lactobacillus paracasei, 2 parts of plant Lactobacillus, 5 parts of Bacillus subtilis, 5 parts of Saccharomyces cerevisiae, lichen All 18 parts of Bacillus were mixed to make a flora mixture; the flora was produced by Luying Biotechnology Consulting Co., Ltd. (Taiwan, China) and the brand name was Lelikang sludge flora.

[0027] 2) Making agricultural waste mixture: crushing agricultural waste to make a waste mixture; the agricultural waste includes one or more mixtures ...

Embodiment 2

[0037] 1) Strain cultivation: Screen the strains of nitrifying bacteria, actinomycetes, filamentous bacteria, photosynthetic bacteria, Lactobacillus plantarum, Bacillus subtilis, Saccharomyces cerevisiae, Lactobacillus paracasei, and Bacillus licheniformis, and then carry out Morphological identification of strains, activity analysis of enzymes secreted by strains, 16 parts of nitrifying bacteria, 22 parts of actinomycetes, 12 parts of filamentous bacteria, 16 parts of photosynthetic bacteria, 6 parts of Lactobacillus paracasei, 5 parts of Lactobacillus plantarum 9 parts of Bacillus subtilis, 8 parts of Saccharomyces cerevisiae, and 22 parts of Bacillus licheniformis are all mixed to make a flora mixture;

[0038] The process of strain screening is as follows: the strains are placed in a water bath at 80° C. for 15 minutes, and then separated by coating on a plate. After identification, a plurality of strains are isolated, and the strains with high temperature resistance and the ...

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Abstract

The invention provides a method for producing biomass fuel blocks from sludge of a sewage plant. The method comprises following technological steps: 1), preparation of an agricultural waste mixture: agricultural waste is crushed, and the agricultural waste mixture is prepared; 2), sludge fermentation: sludge fermentation flora and water are sufficiently mixed in a ratio being 1: (40-70) in parts,a spray solution is formed, the sludge and the waste mixture are stacked in a fermentation chamber in a mode of interval distribution of sludge layers and waste mixture layers, fermentation products are obtained after fermentation, and water content of the fermentation products is not higher than 30%; 3), molding: the fermentation products are filtered by a filter sieve, undecomposed objects including plastic bags, iron blocks and the like are removed, the sieved fermentation products are subjected to high-temperature extrusion by a molding machine, and rod-like fuel blocks are obtained. The method has the advantages that the sludge is effectively degraded, stink emission is greatly reduced, biomass fuel is produced, and waste is changed into wealth.

Description

technical field [0001] The invention relates to a production method for making biomass fuel block by using sewage plant sludge. Background technique [0002] The purpose of aeration is to dissolve the oxygen in the air in the water, which is a means to promote the exchange of substances between gas and liquid. Sludge sewage treatment plants often use aeration to fully mix sewage, increase the contact area between sewage sludge and oxygen, and thus promote the full biodegradation of sludge sewage. [0003] The fresh sludge just out of the sewage treatment plant is precipitated from the water and basically does not smell bad. Afterwards, due to the rapid anaerobic fermentation of the organic matter in the sludge under the action of anaerobic bacteria, a large amount of ammonia, hydrogen sulfide, and Odor gas such as biogas emits foul smell, which not only pollutes the surrounding air, but is also extremely harmful to the health of production and maintenance personnel. It is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L5/46C02F11/02
CPCC02F11/02C10L5/445C10L5/46Y02E50/10Y02E50/30
Inventor 黄敏郎蒋晓雷仪献福王庆臣
Owner 青岛宏洋生物科技有限公司
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