Microorganism power generating method by utilizing carbon source in a recycling way

A microbial power generation and microbial technology, which is applied in biological sludge treatment, fermentation, waste fuel, etc., can solve the problems of large investment, geographical environment constraints, low efficiency of biogas combustion and power generation, etc., and achieves high volume gas production rate and strong fecundity. , the effect of small investment

Inactive Publication Date: 2010-06-23
刘爱平
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Problems solved by technology

[0003] The purpose of the present invention is to provide a microbial power generation method that can recycle carbon sources, in order to fully reflect the advantages of biogas combustion power generation technology, and effectively prevent excessive emissions of carbon dioxide, and at the same time solve the low efficiency of existing biogas combustion power generation , huge investment, restricted by natural conditions and geographical environment, etc.

Method used

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  • Microorganism power generating method by utilizing carbon source in a recycling way
  • Microorganism power generating method by utilizing carbon source in a recycling way

Examples

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Embodiment 1

[0029] The equipment used in this embodiment includes a photobioreactor, a biogas generator, a composting reactor, a heat exchanger, and a generator set.

[0030] The technological process of this embodiment is as figure 1 As shown, the three photobioreactors in this embodiment are connected in series as one group. The carbon dioxide gas produced by the composting reactor is passed into the photobioreactor 1 and photobioreactor 2 respectively through the diversion pipe to provide the carbon dioxide gas required for the start of the photobioreactor; the microbial enrichment produced by the photobioreactor The product is input into the biogas generating device through the microbial discharge pipeline of the photobioreactor, and reacts with the anaerobic fermentation sludge in the biogas generating device to generate biogas. The biogas generating device feeds the generated biogas into the internal combustion engine in the generator set for combustion to generate electricity, and...

Embodiment 2

[0037] The equipment used in this embodiment includes a photobioreactor, a biogas generator, and a generator set. Its connection method and process can refer to figure 1 .

[0038] In this example, cyanobacteria and algae (dinoflagellates, chlorella, macroalgae) were used in the preparation of microbial enrichment products. Add 0.5% strains to the anaerobic sludge leachate according to the weight percentage, place it in a photobioreactor, and add an appropriate amount of water at a volume ratio of 1:1, control the water temperature at 25-26°C, and place it for 72 hours , into the carbon dioxide gas. It has been tested and determined that when the concentration of microbial dry matter is greater than 1g / L, the microbial enrichment product floating on the upper part of the photobioreactor is output to the biogas generating device to generate biogas and biogas slurry; the biogas slurry is input into the photobioreactor, The biogas is input into the internal combustion engine i...

Embodiment 3

[0044] The equipment used in this embodiment includes a photobioreactor, a biogas generator, and a generator set. Its connection method and process can refer to figure 1 .

[0045] In this example, Chlamydomonas was used when preparing the microbial enrichment product. Place Chlamydomonas in a photobioreactor, add nitrogen, phosphorus and potassium-containing culture solution (200 mg / L nitrogen, 40 mg / L phosphorus, 180 mg / L potassium), control the water temperature at 25-30 ° C, and place it for 60 hours , into the carbon dioxide gas, after inspection and determination, when the concentration of microbial dry matter is greater than 1g / L, filter the excess water from the microbial enrichment product floating on the upper part of the photobioreactor, and then put the concentrate into the biogas generating device , the remaining liquid is returned to the photobioreactor to further increase efficiency. After biogas and biogas slurry are generated, the biogas slurry is passed in...

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Abstract

The invention discloses a microorganism power generating method by utilizing carbon source in a recycling way, comprising the following steps: a) nutritional type microorganisms of light are placed in an illumination bioreactor, liquid nutrient solution is added, carbon dioxide gas is introduced, the microorganism enrichment products at the upper part of the floating illumination bioreactor are output; b) the microorganism enrichment products are input in a methane generator, the generated methane liquid is input in the illumination bioreactor, and the generated methane is input in a combustion motor in a generator set for burning; c) the output carbon dioxide gas is input to the illumination bioreactor. In the method, the luminous energy nutritional type microorganisms are used as primary material for marsh gas power generation, non-renewable resources are not consumed, and harmful gas is not exhausted. By adopting the way of circulating utilization, all products in the process flow can be used.

Description

technical field [0001] The invention relates to biomass power generation technology, in particular to a power generation method utilizing biomass biogas. Background technique [0002] With the rapid expansion of people's demand for energy, the gradual depletion of non-renewable energy sources, and the increasingly tense energy supply, energy issues have risen to national security issues. Biomass energy is a renewable energy source derived from solar energy. It has many advantages such as rich resources, low carbon content, and less environmental pollution. Therefore, the development and utilization of biomass energy has been paid more and more attention by governments and scientific research institutions all over the world, and biomass power generation technology has also become a hot spot and focus in the research of biomass energy utilization. At present, the technical development of biomass power generation is mainly concentrated in three aspects: biomass combustion pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B43/10F02B43/12C12P5/02C02F11/04
CPCY02T10/32Y02E50/343Y02E50/30Y02T10/30Y02W10/20Y02W10/37
Inventor 刘爱平
Owner 刘爱平
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