NOVELTY - Folding-type anaerobic reactor for methane and biogas fertilizer comprises an anaerobic reactor (1), where the upper part of lateral wall of the anaerobic reactor is provided with a feed hole (2), and the lower part is provided with a discharge hole (3). The discharge hole is connected with a fertilizer storage pond (11). The lower part of anaerobic reactor is connected with the fertilizer storage pond via connecting tube (12). The top of anaerobic reactor is provided with a gas outlet nozzle. The gas/water separator is connected to a desulfurization purification device by gas-guide tube.    USE - Used as a folding-type anaerobic reactor for methane and biogas fertilizer.    ADVANTAGE - The reactor utilizes high-purity polyvinyl chloride composite high strength polyester fiber as production material, which solves the problem of tank corrosion, gas leakage, damaging and cracking for a long time; is light weight, has simple construction, quick installation, convenient transportation, economical, and provides manure which is suitable for growing organic vegetables and fruits, and breeding earthworm, shrimp and fish.    DETAILED DESCRIPTION - Folding-type anaerobic reactor for methane and biogas fertilizer comprises an anaerobic reactor (1), where the upper part of lateral wall of the anaerobic reactor is provided with a feed hole (2), and the lower part is provided with a discharge hole (3). The discharge hole is connected with a fertilizer storage pond (11). The lower part of the anaerobic reactor is connected with the fertilizer storage pond via connecting tube (12). The top of the anaerobic reactor is provided with a gas outlet nozzle. The gas outlet nozzle is connected with a safety relief valve, where the safety relief valve is connected with a gas/water separator through a gas-guide tube. The gas-guide tube is set between the gas outlet nozzle and the gas/water separator which is provided with a pipeline switch. The gas/water separator is connected with a desulfurization purification device by the gas-guide tube. The desulfurization purification device is connected with a methane stove switch through the gas-guide tube. A booster pump is provided between the desulfurization purification device and the methane stove switch which is connected through the gas-guide tube.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic representation of the folding-type anaerobic reactor for methane and biogas fertilizer.    Anaerobic reactor (1)    Feed hole (2)    Discharge hole (3)    Fertilizer storage pond (11)    Connecting tube (12)