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External biogas reactor heating system

A heating system and reactor technology, which can be used in gas production bioreactors, bioreactor/fermenter combinations, bioreactors/fermenters for specific purposes, etc. It can solve the problems such as the difficulty of sealing the device and the low heat exchange efficiency of biogas slurry, which can increase the maintenance cost of the equipment, increase the difficulty of sealing, and control the heating temperature accurately.

Pending Publication Date: 2019-05-24
合肥万豪能源设备有限责任公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a heating system for an external biogas reactor, which solves the problems of low heat exchange efficiency of the existing biogas slurry and uneven reaction temperature field of the biogas slurry by setting a heater for heat exchange and heating of the biogas slurry; The biogas slurry circulation pump enables the biogas slurry in the biogas reactor to be circulated and mixed; it solves the problem that the existing method of using a stirring device makes the biogas reactor difficult to seal and the equipment maintenance cost is high

Method used

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  • External biogas reactor heating system

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "outer", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specif...

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Abstract

The invention discloses an external biogas reactor heating system, and relates to the technical field of biogas preparation. The external biogas reactor heating system comprises a biogas reactor, theinner upper end and the inner lower end of the biogas reactor are provided with a cold biogas slurry suction inlet and a biogas slurry distribution outlet, the cold biogas slurry suction inlet is sequentially connected with a biogas slurry circulating pump and a heater, and one end of the heater is connected with the biogas slurry distribution outlet through a pipeline. Biogas slurry is heated through heat exchange by the aid of the heater, the problems of low biogas slurry heat exchange efficiency and non-uniform biogas slurry reaction temperature field of an existing system are solved, the biogas slurry in the biogas reactor is circularly stirred and mixed by the biogas slurry circulating pump, and the problems of high biogas reactor sealing difficulty and high equipment maintenance costof the existing system with a stirring device are solved.

Description

technical field [0001] The invention belongs to the technical field of biogas preparation, in particular to an external biogas reactor heating system. Background technique [0002] During the biogas fermentation process, a large number of biogas fermentation microorganisms are host to the activated sludge. The fermentation temperature of the biogas slurry is a key factor affecting the biogas yield. The low fermentation temperature will reduce the activity of anaerobic fermentation microorganisms, and the growth and metabolism of microorganisms will also decrease. decrease, the gas production rate decreases. At the same time, the rate of temperature change in the anaerobic ecosystem also has a greater impact on the activity of methanogens; therefore, maintaining the biogas slurry at a suitable temperature is crucial to the gas production rate. The existing biogas slurry is heated by internal coil heating. There are two methods of heating with coils on the outer wall of the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/38C12M1/34C12M1/107
Inventor 张留瑜薛永攀孙义澍
Owner 合肥万豪能源设备有限责任公司
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