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Ash Slurry Disposal System
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Flow quantity of Slurry and pressure required are the basic parameters required for designing the system. However, these two parameters in turn depend on many other conditions like rate of ash to be disposed, pipeline distance, pipeline profile, density of slurry, viscosity of slurry etc. Moreover ash is highly abrasive and pipeline wear also needs to be considered. A critical aspect of system is selection of slurry velocity in the pipeline which should be low to minimize abrasion but high enough to avoid settling of Ash in the pipeline.Slurry with low or medium concentration (usually 45% to 50% by weight) can be pumped using centrifugal slurry pumps. The viscosity of slurry does not have much effect for such conditions while calculating pressure requirement, but as the slurry concentration increases the viscosity effect has a dominant effect for calculating pressure requirement. Generally ash slurry pumping beyond 65% in not feasible, as high concentration slurry requires extremely high pressure which increases exponentially as per the concentration. Such high pressures can be developed using piston diaphragm pumps. These pumps can develop very high pressures but are very costly and have a very high maintenance cost. The high pressures result in higher power consumption though the water requirement is lower in this system.
Ash Slurry Disposal System
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Ash Slurry Disposal System, Enmasse Conveyor, Submerged Arc Scrapper Conveyor
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Ash Slurry Disposal System
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Ash Slurry Disposal System
