The process of dregs meal after solvent extraction
After the wet mash is desolvated, it is also necessary to adjust its temperature and moisture, and sometimes it needs to be sieved and broken. With the development of the feed industry and aquaculture industry, the demand for forage cockroaches has increased, and the variety of cockroaches suitable for different purposes has also increased, and the post-treatment of cockroaches has also received attention.
Some types of wet steaming off-line do not have the effect of drying and cooling the desolvent.
Small leaching oil plants usually use natural drying and cooling methods for desolvent enthalpy, that is, natural drying and cooling of hydrazine during the transportation of the finished mash. During the conveying process, the material is continuously turned, and the moisture adsorbed on the surface of the granules is quickly vaporized by means of the high temperature of the hydrazine, so that the moisture content of the hydrazine is reduced, and at the same time, the heat is absorbed by the vaporization, so that the temperature of the hydrazine is lowered. As long as the length of the conveyor is appropriate, the temperature and moisture of the finished crucible can be reduced to standard. Secondly, when the finished product is stored, due to the small amount of storage, proper ventilation and other measures can also reduce the temperature and moisture of the crucible to a certain extent.
For large production volumes, where the desolvent equipment is not equipped with drying and cooling functions, special drying and cooling equipment is required. Drying and cooling of the crucible can also be carried out in a fluidized bed drying cooler and a drying conveyor. The vibrating fluidized bed dryer has the advantages of large production capacity, high heat utilization rate and good energy saving. When the water content of the soybean meal is high, the device can be dried by hot air in the first half and cooled by cold air in the latter half.
With the development of the aquaculture industry, in addition to the raising of pigs, chickens and other animals, the breeding of cattle, sheep, cows and other animals has also increased year by year. The demand for feed has increased and the demand for feed varieties has increased.
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