ZLB Vertical Axial/mixed Flow Pump

Product Description:

Summary

Z(H)LB vertical axial-(mixed)-flow pump  is a  new general-eration product successfully developed by this Company by means of introducing the advanced foreign and domestic  know-how and meticulous designing on the basis of the  requirements from users and the conditions of use. This series product uses the latest excellent hydraulic model, wide range of high efficacy,  stable performance and good vapor erosion resistance; the impeller is precisely cast with a wax mould, a smooth and unimpeded surfac e, identical accuracy of the cast dimension to that in design, greatly reduced hydraulic friction loss and shocking loss, a better balance of impeller, a higher  efficiency than that of the common impellers by 3-5%.
Flow:800~200000m /h
Head:1~30.6m
Power:18.5~7000kW
Voltage: 355kW 6kV 10kV
Frequency:50Hz

Extensively used for hydraulic projects,  farm-land  irrigation, industrial water transportation, water supply and drainage of cities and water allocation engineering.

Suitable for pumping pure water or other liquids of the phy-sical chemical natures similar to those of pure water.
      Medium temperature: <50
      Medium density: <1.05 x 10 kg/m
      PH value of medium:between 5~11

ZLB(Q),HLB(Q) series products are all  of  a  vertical  structure and fitted with a vertical motor, With the impeller there are fixed, semi-adjustable and fully-adjustable type. The fixed type means
both impeller  and hub are cast  integrally and the impeller angle is unadjustable; the  semi-adjustable type means the impeller can be turned  to the desired  angle by loosening the fixing screw on it in case the working conditions need to be changed, then fix  all the impellers again; Z(H)LQ is the  fully-adjustable type, that means the impeller angle can be adjusted through a mechanical or hydraulic adjustor with or without stopping.
      Vertical axial-(mixed)-flow pump consists of the pump casing and the actuating part.  The pump casing generally includes water inlet pipe, impeller, guide vane,  pump  shaft,  elbow, middle pipe, sealing unit and clutch.  For both middle and small  pumps,  a water inlet horn is used as the water inlet pipe while, for the large one,  a toggle or bell water inlet passage is used,  poured with concrete and fitted with imported basic parts. The adjustable impelle r is formed with blade(stainless steel or copper alloy,  in general), hub, water guide cone. For the middle and small pumps, both impeller and pump shaft  are connected with  flat  pin and nut whi le, for the large and fully adjustable ones, a flange is used to connect both hub and main shaft. The pump s  guide bearing is a  rubber  one and can be lubricated with going-through water or additional pure water. When lubricated with the going-through water,  it has to be done to supply water for the rubber bearing on the upper side via a water-led pipe and do not  stop until  water comes out of
the pump normally.
      Both middle and small pumps  are directly actuated by a  vertical  motor, the motor is mounted on the motor seat and connected wi th the actuating shaft  via an elastic cluth. Inside of the motor seat there are radial and thrust bearings, lubricated with engine oil or grease; for the one of a bigger power there is a water cooling mezzanine. Large pump is fitted with a large vertical motor, directly mounted on the motor s   basic  beam, and both motor shaft flange and pump shaft flange (hinged hole)  are  linked with bolt.  The axial  force of the pump is borne by the thrust bearing of the  large vertical  motor.
The pump moves clockwise viewing from the motor