To adequately deal with high quantities of coal ash from coal pile run-off, solids, and oil prior to discharge, a coal-fired power plant requires an updated water treatment system. As a result, technologies like horizontal clarifiers are used in coal-fired plants to deal with the problem.
What are horizontal clarifiers in the coal-fired plants?
The Horizontal Plate Clarifier is one of the most adaptable clarifiers on the market. Because, the unique parallel separator plate design effectively separates both settleable solids and floating debris, the Horizontal Clarifier can be utilized in almost any application in place of a circular clarifier. In comparison to typical clarifiers, this offer significant cost reductions and reduced space needs.
How a horizontal plate clarifier does solve the problem?
These clarifiers eliminate particles and much of the free oil, from the stream before it reaches the coalescing packs, enhancing efficiency and minimizing maintenance needs. Adding only this one process stage is also the most cost-effective option, because the existing in-ground basins and CPI separators are reused, while performing better.
Features of Horizontal Clarifiers
· Oil recovery
It entails directing separated oils, process fluids, and other floatable products to an accumulation place, for simple removal and reclamation. To eliminate these elements, an adjustable pipe skimmer or Oil Skimmer might be used.
· Pyramid Hopper
It is a common design for most applications, particularly where flocculants are required. It is frequently used for non-draggable solids.
· Substantial Solids Elimination
When the dirt load is heavy, a screw auger or drag conveyor may be installed, to allow continuous removal of settled solids from the clarifier's bottom.
· Chemical Treatment
As an inherent part of the basic clarifier, the Parallel Plate Horizontal Clarifier can contain a pre-treatment procedure. This helps to separate dissolved solids, very small particles, and emulsified oils, which tend to float in water or process fluids.
Before the laminar flow process, a chemical treatment tank or flocculation chamber can be added, to allow pH control and mixing of emulsion breakers and coagulants into the influent.
Advantages of Horizontal Clarifiers for Coal Fired Plants
· Unlike typical inclined plate vertical clarifier designs, it simultaneously eliminates both floatable and settleable pollutants.
· It has cross-flow parallel plate design that is non-clogging.
· Depending on the use and pH, the structure might be mild steel, stainless steel, FRP, or polypropylene.
· No filter media is required.
· For most applications, it is more efficient than coalescing media.
· Lower capital, operational, and maintenance costs are required, as compared to alternative clarifiers.
· Rectangular clarifiers can replace larger, more expensive circular clarifiers.
How can we assist?
Netsol Water lead field service technicians and design engineer are present at the plant at all times, during the initial design phase, installation, and start-up-even during the first months of operation, to support plant operators and improve performance.
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