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渣浆泵选型您现在的位置是:首页>>行业资讯>>渣浆泵选型

  • 渣浆泵厂家为您介绍:渣浆泵型号如何进行选择
  • 作者:http://www.bengyedaquan.com 浏览次数:

    渣浆泵型号型式选择 泵为单级、单吸、轴向吸入,渣浆泵厂家为您介绍渣浆泵的选型,按泵壳结构和泵轴方向分为一下三种结构:
    1、卧式具有内壳和外壳的双壳泵-适用于各种排出口直径的泵,其内壳材料分为金属、橡胶和其他非金属材料三类,不同材料的内壳在相同的外壳内应能互换。
    2、立式或卧式单壳泵-适用于排出口径小于或等于二十厘米的低扬程泵。
    3、泵轴的驱动端看为顺时针方向。对于采用副叶轮密封型式的泵,其效率最多允许低5%。
      渣浆泵主要为疏浚﹑矿山﹑冶金﹑市政﹑电力﹑煤炭﹑火电烟气脱硫﹑石油﹑化工﹑建材等行业输送含有磨蚀性固体颗粒的浆体。例如在矿厂选矿中浆液的输送,火电厂水力除灰,洗煤厂煤浆及重介输送,在化工产业中也可输送一些含有结晶的腐蚀性浆体。另外在海水选砂领域,渣浆泵的应用领域也多了起来。但是在海水里选砂﹑河道里挖沙。渣浆泵称为砂砾泵﹑挖泥泵。虽然叫法不同,但是从结构特点和泵的性能特点原理来说,它们都可以称为渣浆泵。渣浆泵的用途广泛在不同行业中也广泛应用起来了。
    降低渣浆泵的磨损,延伸泵的寿命,能够从不同视点选用办法,咱们将这些办法概括为设计方面,资料挑选和泵的选型使用等方面。
    渣浆泵使用固液混合物动力学原理和流变特性,进行泵过流部件的水力设计和结构设计,以便契合固液混合物在泵流道内运动规则,削减涡流和部分丢失,减轻磨损。
    l 依据固液混合物中固体颗粒在流道内的运动轨线,设计叶片叶型和流道形状。
    l 流道断面改变均匀,削减涡流和二次流。
    l 叶轮出口设计成凹方式。
    l 叶轮和泵体有关部位恰当加厚。
    l 金属和橡胶套能够交换,等等。

    Slurry pump type selection pump is single stage, single suction, axial suction, according to the shell structure and pump axis direction is divided into three structures:

    1. Horizontal double-shell pump with inner shell and outer shell - suitable for pumps with various outlet diameters. The inner shell materials are divided into three categories: metal, rubber and other non-metallic materials. The inner shells of different materials should be interchangeable in the same shell.

    2. Vertical or Horizontal Single Shell Pump - Suitable for low head pumps with discharge caliber less than or equal to 20 cm.

    3. The driving end of the pump shaft is clockwise. For the pump with auxiliary impeller seal type, its efficiency can be reduced by up to 5%.

    Slurry pump mainly conveys slurry containing abrasive solid particles for dredging, mining, metallurgy, municipal, power, coal, thermal power flue gas desulfurization, petroleum, chemical, building materials and other industries. For example, slurry transportation in mineral processing plants, hydraulic ash removal in thermal power plants, slurry and dense medium transportation in coal washery can also transport some corrosive slurries containing crystals in the chemical industry. In addition, in the field of seawater sand separation, the application of slurry pump has also increased. But in the sea, sand is selected and dug in the river. Slurry pump is called gravel pump and dredging pump. Although the names are different, they can be called slurry pumps from the structural characteristics and the principle of pump performance characteristics. Slurry pump is widely used in different industries.

    To reduce the wear and tear of slurry pump and extend the life of pump, we can choose methods from different viewpoints. Let's summarize these methods as design, data selection and pump type selection and use.

    The slurry pump uses the dynamic principle and rheological characteristics of solid-liquid mixture to design the hydraulic and structural design of the flow passage components of the pump, so as to conform to the movement rules of solid-liquid mixture in the pump runner, reduce eddy current and partial loss, and reduce wear and tear.

    According to the trajectory of solid particles in the solid-liquid mixture in the runner, the blade shape and the runner shape are designed.

    1. Change the channel section uniformly, reduce the eddy current and secondary flow.

    The outlet of the impeller is designed to be concave.

    The impeller and pump body should be properly thickened.

    Metal and rubber sleeves can be exchanged, and so on.

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