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The objective of this paper was to provide a pipeline design procedure especially for mixed sized slurry flows typically found in the coal mining industry This study covered the
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Rheology of Slurry a Review Free download as PDF File pdf Text File txt or read online for free In this paper the rheological parameters characterisation and the rheological behaviour of mineral ore slurry are reviewed and discussed in detail Rheology is a study of flow phenomenon of matter parameters like viscosity and the relationship between stress strain and time for the
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Large Engineering Company Recommended Abtrex We have a reputation as one of the best rubber lining companies in the world so it is no surprise that an industrial contractor called Abtrex after a recommendation from the on site engineering company We fabricated and rubber lined approximately 1 mile of 8 diameter pipe for this project
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ASME Code is used for the design and construction of piping found in Industrial Institutional Commercial Public Buildings and multi unit residences which do not require the different range of pipe sizes ASME Slurry Transportation Piping Systems
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Many people think that a vertical pipe might be the most difficult angle to pump in But inclined pipes of 20 to 50 degrees cause more flow problems than either horizontal or vertical pipes GIW Industries Inc engineers discovered the problem when investigating recurring problems that customers were having with surges in their slurry flows
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Slurry Piping Slurry Piping Slurry piping system like any other system consists of slurry pumps pipelines and valves Special considerations relevant to this systems are introduced by the fact that slurry in not homogeneous phase unlike gas or liquid Slurry can be described as liquid with solids suspended therein
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Slurry Piping and Pipeline Design Considerations In general the following design considerations can be followed while designing slurry piping systems The use of Short and Direct Routes are preferred for slurry piping systems It will ensure minimum pressure drop Elbows shall be 5D or greater
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Increase pump speed The additional pressure associated with the increased speed can help clear the line Flush the pipeline with water A pipe flush can also clear the bed however it s important to exercise caution since the pressure the pump puts up on water is typically lower than that it puts up on slurry for the same pump speed
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The Slurry pump suction piping is an often forgotten component of an effective pump system yet it is critical in ensuring that a product is conveyed appropriately Too many individuals underrate the positive and negative effects of a long or inadequate suction pipe whether by failing to incorporate it in friction loss estimates or simply dismissing the issues of a lengthy or inadequate
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Slurry Piping Society of Piping Engineers and Designers
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Slurry pipelines can be made of many different materials such as carbon steel alloy steel hardened steel stainless steel abrasion resistant lined pipes and non ferrous pipes HDPE etc The material of the pipeline is generally selected based on the application material being pumped and cost
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Metso Outotec slurry pipe system is based on swivel flange hoses swivel flange rubber bends and rubber lined steel pipes Ceramic linings are also available including swivel flange for highly abrasive applications With close attention to details the pipe system has been developed to meet the highest standard of quality
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Under this condition the cost of slurry in tones transported per km of the long distance pipeline installed can increase beyond attractive investment cost levels In this case justification for a small diameter pipe would largely depend on accessibility and environmental issues 4 Design approach Slurry Minimum Velocity Calculation
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Piping has to be sized to maintain a velocity of at least 45cm/s and must be equipped for self draining particularly in vertical In case of a power loss exceeding 30 minutes all slurry pipes should be flushed and drained An air lance will be required for resuspension of settled starch []
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This Code prescribes requirements for the design materials construction assembly inspection testing operation and maintenance of piping transporting aqueous slurries of nonhazardous materials such as coal mineral ores concentrates and other solid materials There is a newer edition of this standard available
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The composition of dry aggregate in the slurry seal shall be 13% to 18% by weight of the theoretical asphalt content Rate of application shall be 14 lb to 16 lb per square yard Additive Slurry seal shall contain carboxilated polymer latex such as poly chloroprene methacrylic acid latex with polyvinyl alcohol or approved equivalent
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Apr 22 2021The concentration of solids in the slurry — measured as a percentage of the total volume The length of the pipeline The longer the pipeline the greater the slurry induced friction that will need to be overcome by the pump The slurry pipe diameter The static head — the height to which the slurry must be lifted in the piping system
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The pipe class is determined based on the following data from the RFI Application Questionnaire Working pressure Design temperature Chemical resistance of the pipe material to the slurry 2 The pipe diameter is chosen based on the ID of existing steel pipe or on the value of the minimum critical slurry velocity 3
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Slurry Pipe Design November 2024 PDF Bookmark Download This document was uploaded by user and they confirmed that they have the permission to share it If you are author or own the copyright of this book please report to us by using this DMCA report form Report DMCA Overview Download View Slurry Pipe Design as PDF for free More details
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Slurry pipeline design Selecting the right wear liner When you re selecting liner materials for a new pipeline project there can be dozens of important factors to look at You need to anticipate the slurry type expected wear rates availability of the liner system and of course the cost
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guidance technical specification section 5 Read online for free
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1 Pump feed tank bottom should have an angle of at least 45 degrees Fast settling particles may need up to 60 degrees 2 Pump feed tank slurry introduction should preferably be below
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Slope and Self Cleaning The required slope for self cleaning of sludge pipe lines can be estimated as Smin = τmin / ρ Rh 1 where Smin = minimum slope for self cleaning m/m τmin = required shear stress for self cleaning kg/m2 kg/m2 for slugde waste water kg/m2 for rain water ρ = density of fluid kg/m3
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The basic design steps for a slurry system are Identify slurry characteristics Homogenous heterogeneous or mixed behavior Select slurry concentration Solid concentration must be known as the specific gravity or density and the rheology of the slurry is dependent on solids concentration which in turn decides the pumping cost
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iii Pumps for slurry iv Instrumentation 1 Line Sizing And Pressure Drop The basic steps in design are as follows Identify slurry characteristic Select slurry concentration Select trial pipe size Calculate critical velocity Compare design velocity with critical velocity Find me on Google
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Slurry Piping Audits Avoid unplanned shutdowns Find smarter reliability fixes You shouldn t have to put up with the same pipe spools failing over and over Stop limping to the next shutdown And no more bandaging elbows Slurry piping audits help you improve plant performance and avoid unplanned shutdowns How our slurry piping audits work
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The Warman WBH slurry pump range offers more than a dozen enhancements to the already state of the art Warman slurry pumping technology including the Warman Hi Seal expeller View Product Product Type Horizontal Slurry Pumps Centrifugal Pumps View more Slurry transportation products Warman MCU 250 pump reduces operating…
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Design with certainty We get how complex it is to design a slurry pipeline You can reduce risk and uncertainty by dealing with a supplier who knows what it takes to deliver large pipeline projects Tap into our experience in long distance slurry pipelines tailings lines paste backfill and concentrate pipelines
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Several points should be borne in mind when designing a new pipeline layout Avoid rapid directional changes to minimise wear and pressure losses Ensure that there is no possibility of column separation in vertical sections on shut down by installing any valves at the base of vertical sections not the top
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Much of what is presented here was gathered from the technical literature and from design manuals produced by several engineering contractors and engineering departments of chemical manufacturers The focus is on aboveground slurry piping systems which are the most common type found in chemical petrochemical and pharmaceutical plants Authors
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