External temperature-increase heat exchange system of biogas fermentation reactor and working method
A technology of biogas fermentation and heat exchange system, which is applied in the field of biogas engineering, can solve the problems of low heat exchange efficiency and large heat loss, achieve high heat exchange efficiency, improve the response speed of temperature increase, and increase the effect of heat exchange contact area
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Embodiment 1
[0035] External temperature increasing heat exchange system of biogas fermentation reactor, including fermenter reactor 1, heat exchanger 2 and heater 3;
[0036] The fermenter reactor 1 tank is provided with a biogas slurry circulation pipeline 4 communicating with its interior, and the biogas slurry circulation pipeline 4 is provided with a first valve 401, a second valve 402 and a biogas slurry circulation pump 403;
[0037] The heater 3 communicates with the heating circulation pipeline 6, and the heating circulation pipeline 6 is provided with a third valve 601, a fourth valve 602 and a heating circulation pump 603;
[0038] The heat exchanger 2 is provided with a heat medium circulation pipeline 5;
[0039] A condenser 7 is also provided in the heat exchanger 2, and the heat exchange section 41 of the biogas slurry circulation pipeline 4 and the heat release section 51 of the heat medium circulation pipeline 5 are fixedly arranged in the condenser 7;
[0040] An evapora...
Embodiment 2
[0046] In this embodiment, on the basis of Embodiment 1, an upper liquid level sensor 901 and a lower liquid level sensor 902 are provided in the heat medium buffer tank 9, and the liquid level sensor 901 and the lower liquid level sensor 902 are respectively connected to the controller. The upper liquid level sensor 901 is connected to the controller to control the opening of the exothermic water inlet valve 501, the endothermic water outlet valve 504 and the fan 505; the lower liquid level sensor 902 is connected to the controller to control the exothermic water outlet valve 502 and The closing of endothermic water inlet valve 503.
[0047] The liquid level sensors used in this embodiment are all float type liquid level sensors, and the controller model is Siemens S7-200SMART controller.
[0048]The external temperature-increasing heat exchange system of the biogas fermentation reactor provided in this embodiment is connected to the controller through the upper liquid level ...
Embodiment 3
[0050] In this embodiment, on the basis of Embodiment 2, a liquid replenishment sensor 903 and a liquid injection valve 904 are further provided in the heat medium buffer tank 9 . The liquid replenishment sensor used in this embodiment is a float type liquid level sensor.
[0051] The external temperature-increasing heat exchange system of the biogas fermentation reactor provided in this embodiment realizes the monitoring of the liquid heat medium storage in the heat medium buffer tank through the liquid replenishment sensor installed in the heat medium buffer tank, which plays a protective role and maintains the continuous stability of the biogas slurry Heat up.
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