Bone glue, bone oil and bone meal are widely used in chemical industry, machinery, medical treatment and breeding, and they are all very popular. At present, township and township enterprises and farmers are making use of the abundance of waste bone resources in rural areas to engage in the processing of bone products. ?
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First, the processing of bone oil. The extraction method is different, and the oil rate is also different. ?
1? Steam method: Put the fresh bone into the sealed tank, pass the steam to the temperature of 105-110°C, after heating for 30-60 minutes, most of the oil and bone glue dissolve into the steam condensate water, from the sealed tank. Remove the oil and steam again so that the remaining oil and glue will dissolve. This repeated several times (about 10 hours), most of the oil and glue will be dissolved. It is advisable to collect all the oil and glue in a standing heat and separate the oil from the glue. ?
2? Boil method: Wash the animal bones and pound them into 2 cm pieces and put them in a pot. The water temperature is maintained at around 70-80°C. Heating 3-4 hours, the oil floating on the surface is cooled and the water is removed as bone oil. In order to avoid dissolution of bone glue, the heating time can not be too long, it is best to put broken bones into bamboo baskets and put them in boiling water for 3-4 hours. This method can only raise about 50% of oil.
3? Extraction method: The dried bone pieces are placed in a sealed tank, and a solvent such as light gasoline is added, and the oil is heated to dissolve the solvent, and then the solvent is volatilized and then returned to the broken bone. This cycle extraction, so that the oil separation. ?
Second, bone meal. Crude bone meal: The bones are diced into small pieces and placed in a pot to boil for 3-8 hours to remove the fat from the bone (preferably combined with the previously described boiled method), pick up and drain the water, put In a dry room, bake at a high temperature of 100-140°C for 10-12 hours, and finally pulverize with a grinder. Steamed Bone Flour: After the bone oil was extracted by the aforementioned steam method, the dried bone was used as a raw material and dried and crushed. This kind of bone is white, easy to digest and has no special odor, but its protein content is low. ?
Third, bone glue. After the fresh bone is crushed, it is washed with clean water (a thin sulfurous acid solution can be added to improve bleaching and decolorization), and then the oil is removed by extraction. The degummed animal bones are put into a pot and boiled with water, and then the glue solution is taken. The glue solution can be all put forward 5-6 times. The glue was collected by heating and evaporated. After cooling, it forms a jelly, which is cut into thin slices and dried. Low humidity, mycelial growth is inhibited, if less than 30%, the mycelium died. The formation of fruiting bodies requires that the moisture content of the substrate and the soil reach 70...75%, and that the bacterin develops and the final formed environmental humidity of the fruit body, that is, the humidity within the range of 32 cm on the surface. The differentiation and development stages of general bacterial buds require air relative humidity to be more than 80%. Breaking buds grow out of fruiting bodies and require more than 85%. When bacteria skirts are opened, the air temperature can reach 95% and the opening degree is maximum. ?
