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1. Cylinder method: Put fresh distillers grains into the cylinder, step on solid layers, and cover a layer of non-toxic plastic film or several layers of newspapers on the upper part of distillers' grains. Then seal with mud or use 2 or 3 layers. The leaky plastic film is tightly closed and tightly tied with a string to make it impermeable to air.
2. Cellar method: The size of the cellar depends on the number of distiller's grains stored. Generally, the place where the water level is low is used to dig one or round or rectangular crypts. Put a layer of hay or grass bags around the bottom of the pit and around the cellar walls, use non-toxic plastic film or straw mats around, and then put the distiller's grains in the pit and put on a layer of solids until the pit is full. Then cover a layer of grass in the upper part of the lees, cover the grass with a plastic film, and apply 0.3 m thick soil. The pit roof is shaped like a bun. Cover it with grass or plastic film and press it well with soil, especially around the cellar. The plastic film is compacted and compacted with soil, watertight, watertight, and long-term storage is possible.
3.Pile method: Select a suitable place inside or outside the house, pile up the distiller's grains into one or several round piles, step on solid layers, and then cover with a layer of grass or grass bags, plastic film, and then apply 5 to 7 centimeters Thick grass mud. Cracks were discovered in time.
4. Bag-type method: Use a non-toxic plastic film bag that has been brushed, put the distiller's grains into the inner layer of the bag, and tie the bag tightly to keep it airtight, watertight, and placed in a cool place. save. Storage temperature: measured in summer, cellar type below 4°C, heap type at 10°C, cylinder type and bag type spring and autumn at 10°C. The use of the above four methods for storage of distiller's grains, containing free lactic acid of 0.4% to 0.5%, acetic acid pH4.2 to 4.4 and other acid-producing bacteria or acid-fast bacteria are difficult to grow. Nutrients can be maintained. When distillers' grains are used, they can be taken from the top of a pit or stack, a cylinder and a bag, and then closed.
Distiller's grains closed storage technology
At present, livestock and poultry raising households use dry storage of distiller's grains. This method loses 65% of nutrients. In recent years, four types of closed storage distilleries have been used, which has saved manpower and maintained the nutrition of fresh lees.