A kind of centrifugal filtration method of sugar cane sugar factory sludge

Abstract

The invention relates to a centrifugal filtering method of paste juice in a cane sugar factory. The centrifugal filtering method comprises the following steps: (1) transporting paste juice obtained ina settling pond in a settling manner to a number-I centrifugal machine, separating the paste juice, transporting obtained filtered juice into a filtered juice box, and discharging obtained paste slaginto a paste slag and water stirring tank; (2) adding water into the mud slag and water stirring tank, and stirring; (3) transporting a material in the mud slag and water stirring tank to a number-IIcentrifugal machine, separating solids and liquid, transporting obtained filtered juice into a filter juice box, mixing the obtained filtered juice with the filtered juice in step (1), then transporting to a concentrating tank, and transporting obtained filtered paste to be used for producing organic fertilizer or feed, wherein the water content of the obtained filtered paste is less than 55 percent, and a sugar degree of the filtered paste is less than 4.5 percent. By adopting the method, the solids and the liquid of the paste juice in the cane sugar factory can be rapidly separated, the treatment time of the materials is shortened, the production efficiency is increased, the cane sugar loss of the filtered paste is reduced, the washing water amount is reduced, the energy is saved, the further comprehensive utilization of the filtered paste can be promoted, and the problems that the water content of the filtered paste is high, the filtered paste is difficult to transport and the clean production of the environment is influenced can be solved.

Description

technical field [0001] The invention relates to the technical field of filtering sugarcane sugar factory mud juice, in particular to a centrifugal filtration method for sugarcane sugar factory mud juice. Background technique [0002] The development of sugarcane sugar industry in Guangxi has very superior resource advantages, location advantages, quality cost advantages and market expansion advantages. Guangxi is a key sugar-producing area in the country. It has a superior geographical location, abundant rainfall, and sufficient sunshine. It has unique geographical resources for planting sugarcane. Sugarcane production accounts for more than 62% of the country. It is the main sugarcane-producing area in the country. In recent years, Guangxi has introduced capital and technology through internal introduction and external connection to promote the development of the sugar industry to a higher level, scale and level. The sugar industry in Guangxi has developed rapidly, and a gr...

AI Technical Summary

Problems solved by technology

However, these equipments have the following disadvantages in the process of production and use: first, the water content of the discharged filter mud is relatively high, reaching more than 70%, which increases the amount of transportation and treatment discharged from the factory by the enterprise, and is not conducive to the cleaning of the environment; The sugar content of the filter mud is 6.3% (the sugar content of the wet filter mud is 1.9%), and the sugar loss is relatively large; the third is that the amount of washing water is relatively large when the vacuum suction filter is used to process the mud juice, reaching about 8%, which is not conducive to the subsequent process (evaporation) Material handling, increased evaporation, increased energy consumption

In order to recover the sugar in the mud juice and increase the production of white sugar, many vacuum suction filters without filter cloth increase the amount of water washing. Due to the large amount of washing water and the high water content of the filter mud, it needs to be discharged, which will cause certain pollution to the environment and transportation. Difficult, difficult to further comprehensive utilization, causing a certain pressure on the environment; at the same time, due to the excessive washing water volume, the filtrate hammer is low, increasing the evaporation of the subsequent process

Images