suction dredging Articles

  • Dredging Short Courses

    By Eric Lillberg, SRS Crisafulli Senior Applications Engineer When I first started as an applications engineer for SRS Crisafulli, I searched for information on the subject of dredging. I was surprised to find there was very little non-commercial content available. I have since found a pair of short courses, offered annually by Texas ...


    By SRS Crisafulli, Inc.

  • Case study - mine pond dredging

    Location: Indonesia Year: 2006 Working Context description The mine where Dragflow dredger is working is one of the biggest gold and copper mine in the world located in the province of Papua in Indonesia  near Puncak Jaya, the highest mountain in Papua. The problem The customer was looking for ...


    By Dragflow North America

  • Kerr-McGee dredging case study

    Application:Clean and dredge paint pigment residuals Dredge Used: LWT 7MAU Series Pit Hog™ Dredge Project Summary: Electric manned automated dredge with 3 Krebs cyclones with a capacity of 2,100 gpm, magnetic flow meter to monitor pump performance, slurry density meter to maintain consistent percent solids by varying traverse speed, and ...

  • Hydraulic Dredging: A cost effective solution for most dredging tasks

    The vast majority of dredging jobs require removal of solids to depths of 30 feet or less. Several features enable hydraulic dredges to be the solution of choice for these applications. First, what are hydraulic dredges and how do they compare with alternative mechanical dredge types? Hydraulic dredges create slurries, combinations of solids and water, pump the slurries to the ...


    By SRS Crisafulli, Inc.

  • Case study - mine pond dredging

    Location: Indonesia Year: 2006 Working Context description The mine where Dragflow dredger is working is one of the biggest gold and copper mine in the world located in the province of Papua in Indonesia  near Puncak Jaya, the highest mountain in Papua. The problem The customer was looking for a complete ...


    By Dragflow S.r.l.

  • Kra Canal (Thailand) excavation by nuclear-powered dredges

    Partial excavation of a Kra Canal in Thailand by nuclear-powered cutter-head suction dredges is examined. Such automated digging by a floating machine is deemed economically and geologically feasible. International and intranational commerce will be benefited greatly as will the residents of peninsular Thailand. The 26 December 2004 tsunami (particularly at Ko Phuket on the Andaman Sea coast) ...


    By Inderscience Publishers

  • Four Major Benefits of Horizontal Hydraulic Auger Dredges

    Horizontal hydraulic auger dredging has been around for nearly 50 years, but remains the unknown stepchild of the dredging world. That may be changing as environmental dredging becomes more prominent. Horizontal hydraulic auger dredges are ideal for environmental projects for several reasons. First, horizontal hydraulic auger dredges are small. I know everybody wants bigger, but small has ...


    By SRS Crisafulli, Inc.

  • how to improve slurry pump suction distance

    When the slurry pump suck slurry from the water pond, since inverted suction type in used, it can make the suction tube filled with water, after pump starts, eliminating the need for i ...


  • Monitor Dredging Slurry Flow from Outside the Pipe

    Dredging Equipment Manufacturers Choose Non-Contacting Greyline Flow Meters The Challenge Thousands of dredges are operated to maintain navigation channels in our rivers, lakes and harbours and to mine sand and gravel for the construction industry. Managing and optimizing production from a dredge requires continuous monitoring of pipeline pressure, vacuum ...


    By Greyline Instruments Inc.

  • The Experts’ Views of Horizontal Hydraulic Auger Dredging

    I attended the 42nd Texas A & M University dredging short course in January 2013. Despite the mountain of excellent information I gleaned from the course, I was disappointed that my dredging field wasn’t featured. Horizontal hydraulic auger dredging ...


    By SRS Crisafulli, Inc.

  • Rotomite 6000 dredge system - centennial coal-case study

    Centennial Coal's Mannering Colliery mine averages over 1M tons of coal per year when operating at full capacity. The mine's run-off ponds' sludge issues prompted Centennial to contact Dredging Solutions, SRS Crisafulli's Dealer in Australasia, and an experienced dredging contractor.  Dredging solutions deployed the Crisafulli Rotomite 6000 auger suction dredge system because of the ...


    By SRS Crisafulli, Inc.

  • Dragflow, environmental-proof technologies. Beyond business for love of the Earth.

    Dragflow chooses to soften the environmental impact with advanced technologies for dredging optimization and naturalistic protection. High performances imply  a specific attention towards ecosystems where the operations are carried, since they often are fragile and easy to jeopardize. That’s why Dragflow conceived technical solutions like the anti-turbidity bell: designed to preserve ...


    By Dragflow S.r.l.

  • Improve Slurry Pump Working Life

    Close suction valve before stopping slurry pump. Enough clean water should be supplied to pump all the slurry in pipeline out to avoid solid precipitated in the suction tube and volute line. Otherwise, there will be situations that ...

  • The daily maintenance of slurry pump

    1) TheSlurry pump suction piping system does not allow leakage phenomenon, into the pool pump can pump through the grille Multi-stage pumps should be consistent with requirements ...


  • Fountain creek sediment collector - case study

    An innovative sediment management method, a 30-ft wide, high capacity, Sediment Collector, is currently installed in Fountain Creek, Pueblo, Colorado upstream of the confluence with the Arkansas River.  This installation is intended to demonstrate a new technology available to reduce the need for dredging.  The purpose of the Sediment Collector is to demonstrate the capability to lower ...


    By Streamside, LLC.

  • Boskalis and our BBV Pumps environmentally friendly high flow pump unit

    Boskalis Nederland is a part of Royal Boskalis Westminster N.V. Boskalis was established in 1910 and has expanded from a local dredging contractor to a leading global maritime services company with over 11.000 employees. Originally, dredging and earth moving were the core activities of the company. They are now additionally active in the dredging and inland infra, and offshore energy sectors. The ...


    By BBA Pumps

  • DEC offer Advanced In-situ Immobilisation and Capping Technique for Polluted Sediments

    In the July 2002 issue dedicated to environmental dredging of World Dredging Mining & Construction, DEC present its newly developed in-situ immobilisation and capping technique for polluted sediments, the 3SI-technique. DEME Environmental Contractors N.V. (DEC), a Belgium-based company specialising in remediation and recycling or disposal of water bottom sediments, is offering a vast range ...

  • How to select the best Slurry Pump

    Slurry pump service life has the relationship with cost of production and production maintenance convenience. Selection unreasonable, may shorten the life of the slurry pump or adverse impact on production. So, bellow we will talk how to select suitable slurry pump to extend the service life and achieve maximum economic benefits. From design side, we analysis the three main factors affecting the ...


  • In-Barge Dewatering Application Offers Innovative Solution Where Lay Down Area Is Unavailable - Case Study

    Tight space constraints are solved by customized Geotube   units in floating barges. Geotube dewatering technology has been used to deliver high performance solutions all over the world in more than 50 countries. Over 2,000 dewatering projects have taken advantage of Geotube containers since 1991. These have involved both small and large situations for lagoon cleanout, ...

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