A device and method for solving sand sedimentation in anaerobic fermentation tank
An anaerobic fermenter and fermenter technology, applied to biochemical equipment and methods, biochemical instruments, gas production bioreactors, etc., can solve problems such as waste of electricity and clean water, and outage of fermenter, so as to save waste and avoid Effect of sinking sand and avoiding loss
Active Publication Date: 2019-04-26
海南澄迈神州车用沼气有限公司
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Problems solved by technology
The first method will obviously cause the fermentation tank to be out of service for more than 3 months (each time), and the second method is specifically for sand removal, wasting electricity and water
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The implementation of the present invention will be described in detail below in conjunction with specific embodiments.
[0023] Such as figure 1 Shown is a device for solving sand deposition in an anaerobic fermentation tank 1, inc...
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The invention belongs to the technical field of biogas fermentation production equipment and methods, and particularly relates to a device and method for solving anaerobic fermentation cylinder sedimentary sand. The device comprises a fermentation cylinder, a sand removing device, a separating device and a dilution tank; a bottom emptying pipeline is arranged on the bottom of the fermentation cylinder, a control valve is arranged on the bottom emptying pipeline, and the bottom emptying pipeline is communicated with the sand removing device; the upper portion of the sand removing device is communicated with the dilution tank through a dilution pipeline, and a raw material adding port is formed in the dilution tank; the dilution tank is communicated with the fermentation cylinder through a dilution tank pipeline, and a conveying pump is arranged on the dilution tank pipeline; a reflux pipeline is arranged on the upper portion of the fermentation cylinder, the separating device is arranged on the reflux pipeline, the reflux pipeline is communicated with a biogas slurry storage cylinder, the biogas slurry storage cylinder is communicated with the lower portion of the sand removing device through a dilute biogas slurry reflux pipeline, and a biogas slurry reflux pump is arranged on the dilute biogas slurry reflux pipeline. According to the device and the method, sand removing is conducted synchronously in a production process, so that the fermentation cylinder only needs to be cleaned after being used at intervals of 5 years or more.
Description
technical field [0001] The invention belongs to the technical field of biogas fermentation production equipment and methods, in particular to a device and method for solving sand sedimentation in anaerobic fermentation tanks. Background technique [0002] Biogas fermentation, also known as anaerobic digestion and anaerobic fermentation, refers to organic matter (such as human, livestock and poultry manure, straw, weeds, etc.) under certain moisture, temperature and anaerobic conditions, through the catabolism of various microorganisms, and finally The process of forming a flammable mixture of gases such as methane and carbon dioxide. The biogas fermentation system is based on the principle of biogas fermentation, with the goal of energy production, and finally realizes the comprehensive utilization of biogas, biogas slurry and biogas residue. [0003] The raw materials used in biogas fermentation are difficult to completely remove in the raw material pretreatment stage. Th...
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IPC IPC(8): C12M1/107
CPCC12M21/04C12M29/18
Inventor 刘学忠
Owner 海南澄迈神州车用沼气有限公司