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SZP type slurry pump

SZP series slurry pump is a new type of high-efficiency energy-saving anti-wear pump, suitable for electric power, metallurgy, coal, building materials and other industries. The series of slurry pump in the hydraulic design, structural design has innovation, flow components using self-developed anti-strong wear-resistant alloy cast iron manufacturing. It has the remarkable characteristics of high efficiency, energy saving, long service life, light weight, reasonable structure, reliable movement, low vibration, low noise, and convenient maintenance.

Keyword:

SZP渣浆泵

Classification:

  • Description
  • Application
  • Main Projects
  • Technical Drawing
  • Product Video
  • Product Introduction

    SZP series slurry pump is a new type of high efficiency and energy saving anti-wear pump. This series of pumps in hydraulic design, structural design and wear-resistant materials used, the comprehensive application of the advantages of similar products at home and abroad and to be innovative, with high efficiency and energy saving, low vibration, low noise, reliable operation, long service life, convenient maintenance and other characteristics, the comprehensive performance of the pump in the domestic leading level, most of the pump efficiency indicators in the international advanced level. It can be widely used in electric power, metallurgy, coal, building materials and other industries to transport slurry containing solid particles. Such as hydraulic ash removal in thermal power plants, slurry transportation in metallurgical ore dressing plants, coal slurry and heavy medium transportation in coal washing plants. The maximum slurry weight concentration allowed to be transported is: ash (slag) slurry and coal slurry 45%; Slurry and heavy medium 60%.

    Working conditions

    Maximum flow rate: 2339 m/h

    Maximum lift: 129m

    Speed: 720,990,1480 and 2960r/min

    Medium: medium containing higher solid particles

    Caliber: 40mm-350mm

    Material: cast iron, high chromium alloy, rubber, etc

    Product structure characteristics

    The type of SZP series slurry pump is divided into two categories, one is SZP type, which is a horizontal axial suction single-stage single-suction centrifugal slurry pump; the other is SZPL type, which is a vertical axial suction single-stage single-suction centrifugal slurry pump.
    (1) Structural characteristics of SZP type slurry pump
     

    Model and Significance of SZP Slurry Pump


    ① Pump head
    The pump head part of SZP slurry pump includes pump casing, impeller and shaft seal device. The pump head and the bracket are connected with bolts. According to the needs, the outlet position of the pump can be rotated at 45 ° intervals to eight different angles to install and use.
    The pump casing of SZP slurry pump is of double shell structure. The outer layer is a metal pump casing (front pump casing, rear pump casing), and its material is usually HT200 or QT500-7; the inner shell can be made of high chromium alloy cast iron (including volute, front guard plate, rear guard plate), or Made of rubber (including front volute and rear volute)
    The impeller is composed of front cover plate, rear cover plate, blade and back blade. The blades are twisted blades, usually 3-6. The back blades are distributed on the outside of the front cover plate and the rear cover plate, and there are usually 8 blades. The material of the impeller is high chromium alloy cast iron, and the impeller and the shaft are threaded connection.
    The shaft seal device has three types: auxiliary impeller packing combination seal, packing seal and mechanical seal.
    The combined sealing type of auxiliary impeller and packing is composed of stuffing box, auxiliary impeller, water seal ring, packing, packing gland and shaft sleeve.
    The packing seal type is composed of packing box, spacer sleeve, water seal ring, packing, packing gland and shaft sleeve, as shown in Fig. 5a.
    The mechanical seal type consists of stuffing box, spacer sleeve, mechanical seal, gland and shaft sleeve, as shown in Fig. 5b.







     


    ② Bracket part
    The bracket part has two structures: horizontal middle opening type and cylinder type.
    Open bracket with thin oil lubrication and grease lubrication of two types. The thin oil lubrication bracket is mainly composed of bracket body, bracket cover, shaft, bearing box, bearing, bearing gland, stop sleeve, nut, oil seal, water retaining plate, disassembly ring and other parts, as shown in Figure 1. 150SZP and above pump type also with water cooling device. The main difference between the grease lubrication bracket and the thin oil lubrication bracket is that the embedded through cover and oil cup are added, and the water cooling device is removed, as shown in Figure 16a.


     

    The cylindrical brackets are all lubricated with grease and are mainly composed of bracket body, bearing body, shaft, bearing, bearing top sleeve, bearing gland, oil seal, oil cup, water retaining plate, disassembly ring and other parts, as shown in Figure 16b. Cylinder bracket is only suitable for 200SZP and the following power smaller pump type, currently only T200SZP-I-A70, T200SZP-I-A60, T150SZP-I-A60 three specifications.

     

    (2) the structural characteristics of SZPL type slurry pump
    ① SZPL slurry pump is mainly composed of impeller, volute, rear guard plate, shaft sleeve, bracket, support plate, shaft, bearing, bearing body and other parts. The material of the impeller, volute and rear guard plate is high chromium alloy cast iron. The impeller and the shaft are connected by threads, and the volute, bracket and bearing body are connected by bolts. The pump shaft and motor can be driven by coupling direct connection or belt drive. The bearings of SZPL pumps are lubricated with grease. This series of pumps are non-shaft seal pumps.
     



    ② Model and significance of SZPL slurry pump

     

    Transmission mode

    SZP series slurry pump is a high-efficiency energy-saving, single-stage, single-suction, centrifugal slurry pump developed by our company. Horizontal pump (SZP type) according to the outlet diameter is divided into 450mm, 400mm, 350mm, 300mm, 250mm, 200mm, 150mm, 100mm, 80mm, 65mm, 50mm, 40mm and other specifications. Vertical pump (SZPL type) according to the outlet diameter is divided into 150mm, 100mm, 80mm, 65mm, 50mm and other specifications. The series of slurry pump in the hydraulic design, structural design has innovation, flow components using self-developed anti-strong wear-resistant alloy cast iron manufacturing. It has the remarkable characteristics of high efficiency, energy saving, long service life, light weight, reasonable structure, reliable movement, low vibration, low noise, and convenient maintenance.

    This series of pumps have wide performance range, good cavitation performance and high efficiency. Multi-stage series technology can be used to meet long-distance transmission. The flow components are available in a variety of metals and increase in depth. The use of a variety of speed and a variety of variants, so that the pump in the best mining operation. Long service life, high operating efficiency, can meet many types of harsh transportation conditions.

     

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