An electro-osmotic sludge dewatering machine

Abstract

The invention aims at providing an electric osmosis sludge dewatering machine. According to the technical scheme, the electric osmosis sludge dewatering machine comprises a main rack, a turbine air pump, an air feeding and discharging pipeline, a sludge feeding pipeline, a plurality of power rollers, a speed reducing motor and a sludge discharging guide plate. The machine is a sludge high-rank dewatering machine for removing one part of gap water and adsorbed water, which cannot be removed by mechanical press filtering, in materials through certain mechanical pressure by using an additional direct-current electric field. A solid-liquid separation technology is organically combined with a physiochemical treatment technology of electrochemical properties of the sludge, and electric power is used for dewatering; optimization of structure and operation cost is realized. The electric osmosis sludge dewatering machine is fully automatically operated and controlled, the materials are intensively fed and treated and any medicament does not need to be added; the dewatering efficiency is high, the occupied area is small and the operation cost is low; the final sludge dryness is improved by at least 30 percent when being compared with that of other sludge dewatering manners. The dewatering efficiency is good, energy sources are greatly saved and comprehensive economic benefits are high; the machine has high security coefficients and is green and environmentally friendly.

Description

technical field [0001] The invention relates to the field of environmental protection mechanical processing, in particular to an electroosmotic sludge dehydrator. Background technique [0002] In today's society, sludge is a solid pollutant produced when urban sewage treatment plants treat sewage. The product of sewage treatment is an extremely complex heterogeneous body composed of organic matter, inorganic salts, microorganisms, and parasite eggs. Most urban sewage treatment plants use activated sludge process to treat sewage. Due to the need for the replacement of microorganisms in activated sludge, excess sludge is inevitably generated in the process of sewage treatment. The main characteristics of sludge are high water content, some even as high as 99%, high organic matter content, easy to rot and smell, and fine particles and small specific gravity. Since the sludge contains various pollutants, if it is not treated and disposed of innocuously, it will be directly rel...

AI Technical Summary

Problems solved by technology

If it is directly sent to the urban domestic waste disposal site for landfill, it will seriously affect the normal operation and management of the waste disposal site

If the sludge is piled up directly, it is easy to rot and smell

Therefore, the sludge must be properly treated and disposed of, otherwise a large amount of unstabilized sludge will not only become a heavy burden on the sewage treatment plant, but also the arbitrary discharge and stacking of sludge will cause new pollution to the surrounding environment, resulting in the construction of sewage The treatment plant cannot fully play its role in eliminating environmental pollution

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