Slurry transport
Summary :
Table of Contents
- Introduction
- Literature review
- Theory
- Types of slurries
- Slurry characteristics
- Basic flow characteristics
- Time-dependent flow characteristics
- Slurry viscosity
- Effect of particle size distribution on slurry viscosity
- Pump selection
- Materials of construction
- Specific remarks
- Conclusion
- References
Abstract
In slurry transport, the solids are first ground to fine grain size and made into slurry with a liquid medium. The slurry is then pumped through the pipes to a desired destination. Even though the concept of slurry pipelining was known at the turn of the century, it was only in 1957 that it became a practical reality. The first long distance pipeline to be established was in Arizona, USA, to transport 0.4 MTPA of gilsonite over a distance of 115 km. Since then the applications are growing. The technical term slurry contains quite a wide concept of solid-liquid mixtures. If a solid-liquid mixture has some fluidity, we call it slurry. slurry is any mixture of liquid and solids capable of causing significant pump abrasion, clogging, or mechanical failure as a result of high loads or impact shocks However, as suspending solid particles vary in size from very fine colloidal particles to sedimentable rough particles, the flow characteristics of slurry change widely. The solid concentration greatly affects the viscosity of slurry.
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