Biogas storage pest control technology

In recent years, with the vigorous development of biogas construction, the use of biogas storage has a wide range of application prospects. Experiments have shown that the use of biogas storage can make the rice elephant not revived after 96 hours, and saw no sawing after 72 hours. The pest removal rate can reach 98.8%. The main technical points of biogas storage are listed as follows: Jiancang farmers can use large cylinders as a storage tool, and they can also build 1 to 4 cubic meters of silo to store grain. The granaries must be able to be sealed at the end. Place biogas diffusion tube If you use cylinders to store grain, you can use a biogas gas pipeline to sinter one end, and then use a red-hot bulkhead to pierce a number of small holes and set the bottom of the cylinder. In the case of warehousing, it is necessary to produce a "Cross" or "Fengzi" type biogas diffusion tube to set the bottom. A number of holes are pierced in each branch so that the tank is filled with biogas quickly. Filling grain seals the food that needs to be disinfested into the tank or the bin, and puts the biogas in and out of the gas pipe, and the plastic film is sealed. After the above process is completed, biogas can be input into the warehouse. Generally, 1.5 cubic meters of biogas needs to be input per cubic meter of grain to achieve the purpose of killing pests. The inspection method is: Connect the biogas output pipe to the biogas furnace and use it to ignite the biogas furnace. After 4 days of sealing, biogas is input again. Biogas will be entered every 15 days thereafter. Precautions: (1) Always check the system for leaks. It is forbidden to open fire inside and outside the warehouse. If the air contains more than 7% of biogas, it will cause explosion. (2) If there is accumulated water in the biogas pipe or diffusion pipe, it should be discharged in time. (3) The gas production capacity of the biogas digester should be matched with the ventilation volume. If the gas production capacity or gas storage capacity of the biogas digester is not sufficient, the biogas can be input into the grain warehouse for two consecutive days. At the same time, the management of the biogas digesters must be strengthened so that more gas can be produced to meet the requirements. (4) Because the biogas contains a certain amount of moisture, the moisture in the biogas should be reduced to below 13% before storing the grain; when the grain is stored, the water collector or quick lime filter should be installed in the gas pipeline;

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