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Overground solar methane tank capable of realizing natural circulation of hot water system

A technology of natural circulation and hot water system, applied in the field of solar energy and biomass energy utilization, to achieve great economic benefits, save electricity consumption, and promote sustainable development.

Active Publication Date: 2014-07-16
LIAONING TECHNICAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no method and device design for applying natural convection water circulation to solar biogas digesters

Method used

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  • Overground solar methane tank capable of realizing natural circulation of hot water system

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Embodiment Construction

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] This embodiment is applied to the northern city of Shenyang.

[0023] like figure 1 As shown, an above-ground solar biogas digester that can realize the natural circulation of the hot water system includes a solar hot water circulation system 11 and a biogas fermentation tank 2. The solar hot water circulation system 11 is a closed loop, consisting of a solar collector 1, a riser pipe 3. The hot water storage tank 5, the descending radiating pipe group 6, the return water collecting tank 7 and the return water pipe 8 are composed of the rising pipe 3 of the solar hot water circulation system 11, the hot water storage tank 5, the descending radiating pipe group 6 and the return water The water collecting tanks 7 are all arranged inside the biogas fermentation tank 2, the structure of the biogas fermentation tank 2 is a glass fibe...

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Abstract

The invention belongs to the technical field of solar and biomass energy utilization and in particular relates to an overground solar methane tank capable of realizing natural circulation of a hot water system. According to the overground solar methane tank, the natural circulation of the solar hot water system is realized by virtue of a siphon force generated by density difference of cold and hot water, the fermentation temperature of methane in a methane fermentation tank is increased, and the rate of methane production by fermentation is increased. The overground solar methane tank comprises the solar hot water circulation system and the methane fermentation tank, wherein the solar hot water circulation system comprises a solar heat collector, an ascending pipe, a heat storage water tank, a descending heat dissipation pipe set, a water return and collection tank and a water return pipe; a water outlet in the top of the solar heat collector is communicated with the heat storage water tank through the ascending pipe; the heat storage water tank is communicated with the water return and collection tank through the descending heat dissipation pipe set; the water return and collection tank is communicated with a water inlet in the bottom of the solar heat collector.

Description

technical field [0001] The invention belongs to the technical field of solar energy and biomass energy utilization, and particularly relates to an above-ground solar biogas digester capable of realizing natural circulation of a hot water system. Background technique [0002] The use of solar energy to increase the temperature of biogas fermentation in biogas digesters is currently a commonly used technical means to increase the temperature of biogas digesters, so that the biogas can be maintained at the medium temperature and high temperature fermentation stages and the fermentation gas production rate can be improved. But at present, the design of solar biogas digesters almost all use circulating water pumps to provide the power for hot water circulation in the pipeline, such as solar constant temperature biogas digesters (Chinese patent application number 201210055393.7), solar biogas digesters (application number 201110063984.4) Chinese patent), etc.; the water pump consu...

Claims

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Application Information

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IPC IPC(8): C12M1/107C12M1/02
CPCC12M21/04C12M41/24C12M43/00Y02E50/30
Inventor 王珏孙多斌庄宇周辰
Owner LIAONING TECHNICAL UNIVERSITY
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