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Thread: Pipe Conveyor

  1. #1
    Join Date
    Jun 03
    Posts
    3

    Pipe Conveyor

    Hello Sirs,

    I'm wondering if there is anybody who can help me.

    I'm doing a design assignment for transportation of cement.
    I've chosen a pipe belt conveyer as transportmode, but can not find much information about this.

    My questions are,
    what is the filling rate of a pipe belt conveyer
    how much of the belt width should overlap
    how fast may the belt go and what is recommended

    Kind regard,

    Jos van Rhee

    PS
    The design parameters: 2500 MTPH, distance 2500 meters.
    Material: cement.

  2. #2
    Author Guest

    Pipe or Tube Conveyor

    As a starter I suggest the following reading material extracted from
    the eLibrary on the Powder/Bulk Portal web site:

    Name of Author:***Hinkelmann, R. , Sander, U.
    Company Affiliation:***Conrad Scholtz GmbH
    Title of Article:***FLEXOPIPE - From Conveyor Belt to Systems Conveyor Pipe
    Published in Journal:***bulk solids handling
    Year:**1993*****Volume:**13*****Number:**3*****Page:**581*****
    Type of Article:***Original Article
    Fields of Interest:***Belt Conveying
    Article published in 'The Best of ...' book:***I/2000 Part I*(Belt Conveyor Technology - Parts I, II & III)

    Name of Author:***Horak, R.M.
    Company Affiliation:***River Consulting, Inc.
    Title of Article:***Improved Idler Panel Design for Pipe Conveyors
    Published in Journal:***bulk solids handling
    Year:**1997*****Volume:**17*****Number:**4*****Page:**521*****
    Type of Article:***Original Article
    Fields of Interest:***Belt Conveying
    Article published in 'The Best of ...' book:***I/2000 Part III*(Belt Conveyor Technology - Parts I, II & III)

    Name of Author:***Maton, A.E.
    Company Affiliation:***Maton Engineering Pty. Ltd.
    Title of Article:***Tubular Pipe Conveyor Design Using a Standard Fabric Belt
    Published in Journal:***bulk solids handling
    Year:**2000*****Volume:**20*****Number:**1*****Page:**39-41*****
    Type of Article:***Original Article
    Fields of Interest:***Belt Conveying / Dust Control

    Name of Author:***Neubecker, I.
    Company Affiliation:***Krupp Robins, Inc.
    Title of Article:***An Overland Pipe Conveyor with 22 Horizontal and 45 Vertical Curves Connecting Coal MIne with Rail Load Out
    Published in Journal:***bulk solids handling
    Year:**1998*****Volume:**18*****Number:**3*****Page:**457*****
    Type of Article:***Original Article
    Fields of Interest:***Belt Conveying / Coal Handling / Inclined Conveying

    Name of Author:***Singh, A.R.
    Company Affiliation:***Naveen Projects Ltd.
    Title of Article:***3.2 km Long Pipe Conveyor with 90 Horizontal Curve at Birla Copper, India by Naveen Projects Ltd
    Published in Journal:***bulk solids handling
    Year:**1999*****Volume:**19*****Number:**4*****Page:**532*****
    Type of Article:***Technical Note
    Fields of Interest:***Belt Conveying

    Name of Author:***Vaka, Gregory A.
    Company Affiliation:***Krupp Robins, Inc.
    Title of Article:***Pipe Conveyors - Development and Advantages
    Published in Journal:***bulk solids handling
    Year:**1998*****Volume:**18*****Number:**3*****Page:**451*****
    Type of Article:***Original Article
    Fields of Interest:***Belt Conveying / Inclined Conveying

    Name of Author:***Wchter, D.
    Company Affiliation:***Koch Transportechnik
    Title of Article:***Innovative Handling of Tailings Using the Pipe Conveyor System
    Published in Journal:***bulk solids handling
    Year:**1990*****Volume:**10*****Number:**3*****Page:**311*****
    Type of Article:***Original Article
    Fields of Interest:***Belt Conveying
    Article published in 'The Best of ...' book:***I/94*(Belt Conveyor Technology)

    Name of Author:***Loeffler, F.J.
    Company Affiliation:***Loeffler Engineering Group
    Title of Article:***Pipe/Tube Conveyors A Modern Method of Bulk Materials Transport
    Published in Journal:***bulk solids handling
    Year:**2000*****Volume:**20*****Number:**4*****Page:**431-435*****
    Type of Article:***Main article
    Fields of Interest:***Ash Handling / Belt Conveying / Coal Handling

    Name of Author:***Schabacker, H.U., Stotuth, H.
    Company Affiliation:***MAN TAKRAF Frdertechnik GmbH
    Title of Article:***MAN TAKRAF - Tube Conveyor; A Continuous Conveyor Designed as a Modular System
    Published in Journal:***bulk solids handling
    Year:**1995*****Volume:**15*****Number:**2*****Page:**306*****
    Type of Article:***Technical Note

    Please visit the eLibrary and look for other titles.
    Photocopies of the full article can be ordered, details are given.

    Reinhard H. Wohbier

  3. #3
    Join Date
    Jun 03
    Posts
    3

    pipe belt conveyer

    Thanks for the reply, but I don't have access to those articles.

    I made the following asumtions:
    16 % overlap
    60 % filling ratio
    4.19 m/s belt speed

    Kind regards,

    Jos van Rhee

  4. #4
    Lawrence K. Nordell

    Lawrence K. Nordell

    President and CEO

    Conveyor Dynamics Inc. [eDir]

    Conveyor Dynamics Inc.

    Professional Experience 58 Years / 8 Month Lawrence K. Nordell has 58 Years and 8 Month professional experience

    Discussions 2608 Lawrence K. Nordell acceded to 2608 discussions, Articles 0 Lawrence K. Nordell wrote 0 articles, Publications 0 Lawrence K. Nordell Nordell released 0 publications

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    Know-How Design (1521) Lawrence K. Nordell used this tag 1521 times, Pipe Conveyor (238) Lawrence K. Nordell used this tag 238 times, Chutes (119) Lawrence K. Nordell used this tag 119 times

    Dear Jos,

    Answers:

    1. filling rate: 70% of crossection is the norm depends on lump size, and tracking control which is influenced by conveyor profile.

    2. overlap size: about 150 mm

    3. max. speed - not one answer

    a) depends on product, belt profile geometry, belt construction, idler constuction, economics .......

    b) like conventional belt conveyors, speeds are increasing > 5 m/s as designers better understand the physicsand the design control constraints.

    Lawrence Nordell
    Conveyor Dynamics, Inc.

  5. #5
    Join Date
    Jun 03
    Posts
    3

    Thanks

    Thanks very much for your help.

    Jos van Rhee

  6. Please contact the manufacturer of pipe conveyors for specific details. Your requirement looks to be well within the range of reputed manufacturers. You may require 450 mm diameter pipe conveyor with belt width of 1800 mm, speed around 4.5 mps.
    In general, filling ratio is 70% to 80%. The belt edges overlap will be as per the construction of the manufacturers.
    As you have nearly 2.5 km long conveyor, it is likely to be with steel cord belt.

    Regards,
    Ishwar G Mulani.
    Author of Book : Engineering Science and Application Design for Belt Conveyor.
    Email : parimul@pn2.vsnl.net.in

  7. #7
    s lai Guest
    Dear sir
    for cement hadling we recomend following
    1,0 Maximum speed 3 m/sec concidering fludisation of cement
    2.0 Belt width 4 times of pipe dia
    3.0 filling factor for cement can go up to 74 percent
    4.0 At loading point inclination shall be less than 10 deg
    s lai
    DIRECTOR
    MODTECH PROJECTS (INDIA) PVT LTD
    1252 SEC 28
    FARIDABAD

    TEL/FAX 0091-129-2258753
    TEL 0091-129-2259296/97
    E MAIL- modtechprojects@indiatimes.com

  8. Pipe conveyor

    Dear JOS,
    The following should be considered :
    1.Filling factor shall not be more than 75%
    2.Over lap shall be 1/2 the pipe diameter.
    Regards.
    Atanu Banerjee

  9. #9
    S.Brengel Guest
    Hello Jos,

    Referring to your questions concerning the transport of cement with a Pipe Conveyor we would like to commend the following.

    1. filling rate
    the filling rate of a Pipe Conveyor is normally about 70% to 75%. In your case we calculated filling rate is 76% which is ok.

    2. overlap of belt
    the overlap of belt depends of the pipe diameter. For your design we recommend a pipe diameter of 600mm. The belt width is 2250mm, so the overlapping of belt will be approx. 300mm.

    3. belt speed
    for a pipe with a diameter of 600mm we recommend a maximum speed of 4,52 m/s generally. Transporting cement request a quit lower speed, in our experience with cement we normally work with 1,7 m/s if the installation is horizontally, - at least at the loading point. Belt speeds over 1,7 m/s (like this case) require an downhill belt loading to calm the cement after charging. In your case we calculate a belt speed of 3.2 m/s, but assuming a downhill loading point (approx. 5).

    For further or more detailed information please do not hesitate to contact us. We are the leading Pipe Conveyor constructor with over 160 reference installations all over the world.


    Best regards
    KOCH Transporttechnik GmbH
    Stefan Brengel

    http://edir.bulk-online.com/oldedirredirect/9456.htm


  10. Dear Jos,

    The following can be considered :

    a. 75 % filling factor

    b. Belt widht should be 4 times of pipe dia. (thumb rule, can depend from case to case)

    c. speed recommended 4.5 m/sec.

    we have commissioned a 3.2 km single flight pipe conveyor in Gujarat, send us your mail id and we can post the same to you for your info.

    Vipul Kohli
    Naveen Projects Ltd.

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