Warming and warm-keeping system of overground marsh gas tank
A heat preservation system and biogas digester technology, applied in the field of renewable energy development, can solve the problems of large temperature gradient of fermentation liquid, high energy consumption input-output ratio, high maintenance and management costs, etc., so as to facilitate maintenance and management and improve gas production rate , The effect of convenient maintenance and management
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[0013] The present invention will be described in further detail below in conjunction with the drawings and embodiments, but the present invention is not limited to the embodiments.
[0014] The heating and heat preservation system of the above-ground biogas digester in this example is as follows: figure 1 As shown, it consists of a warming system and a heat preservation system. It is characterized in that the capillary network 7 is evenly arranged on the outside of the side wall of the biogas digester 14, so that the temperature of the side wall of the biogas digester 14 is higher than that of the fermentation zone 6. The heat preservation system consists of a bottom The insulation layer 11, the side wall insulation layer 8 and the top insulation layer 5 are composed. The bottom insulation layer 11 is arranged at the bottom of the biogas digester 14 to reduce the heat loss of the fermentation zone 6 from the base of the biogas digester 14. The side wall insulation layer 8 is a...
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