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    Home > Chemicals Industry > Chemical Technology > Design Principles of Pipeline Water Supply Network System

    Design Principles of Pipeline Water Supply Network System

    • Last Update: 2021-06-18
    • Source: Internet
    • Author: User
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    1 Design Principles of Pipeline Water Supply Network System

    Pipe network design is an important part of the pipeline quality water supply engineering system.
    The layout of the pipe network must be in the same cycle to ensure that the treated water can flow smoothly in the pipe network and keep the water quality fresh and avoid secondary pipelines.
    The generation of pollution
    .
    This method has been calculated, adjusted and reviewed to make each node of the pipe network reach a hydraulic balance, so that the water at any point in the pipe network is flowing, and there is no dead water section in the pipe network


    .


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    1 Top supply and bottom return type

    This method is suitable for buildings with a height of less than 50m and a small number of risers, and the water treatment equipment room is located in the basement
    .
    The pipe network layout is shown in Figure 10-1


    .

    Figure 10-1 Layout of upper supply and lower return pipe network
    1- Water tank: 2- Ultraviolet lamp: 3- Variable frequency pump: 4- Circulating pump; 5- Automatic exhaust valve; 6-Reducing valve; 7- Solenoid valve

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    2 Top supply and bottom partition type

    This method is suitable for buildings with a height of more than 50m and a large number of risers, and the water treatment equipment room is permanently located in the basement


    .


    Figure 10-2 The layout of the partitioned pipe network for the upper supply and the lower return
    1-water tank; 2-UV lamp; 3-frequency conversion pump; 4-circulation pump; 5-automatic exhaust valve; 6-pressure reducing valve; 7-solenoid valve

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    1.


    3 Down-to-back partition type 1

    This method is suitable for multiple multi-storey or residential buildings.


    Each building has the same height, less than 35m in height, many risers, and high-rise buildings with transition floors in the middle.



    Figure 10-3: Lower supply and upper return partition type 1 pipe network layout:
    1- water tank; 2- ultraviolet lamp; 3- variable frequency pump; 4- circulating pump; 5- solenoid valve

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    1.
    4 Down supply and back partition type 2

    This method is suitable for high-rise and multi-storey group buildings.


    Each building has different heights, and the water treatment equipment room is located in the basement
    .



    Figure 10-4: Lower supply and upper return partition type 2 pipe network layout:


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    5 Down supply and last return type

    This method is suitable for a single high-rise building, and the water treatment equipment room is standing on the roof


    .


    Figure 10-5 Layout of bottom supply and top return pipe network


     

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