1.2m Runner Vertical Shaft Francis Turbine 1500kw Vertical Francis Turbine Generators

1.2m Runner Vertical Shaft Francis Turbine 1500kw Vertical Francis Turbine Generators

Product Details:

Place of Origin: China
Brand Name: Wawushan
Model Number: HLA-004

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: negotiable
Packaging Details: plywood
Delivery Time: 180 working days
Payment Terms: T/T
Supply Ability: 1+unit+4 months
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Detail Information

Product Name: 600kw Francis Turbine Runner Material: Stainless Steel
Layout Pattern: Vertical Guide Vane: Stainless Steel
Runner Diameter: 1.2m Efficiency: 91.6%
Water Head: 68m Flow Meter: 2.81 M3
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Product Description

1500kwHydraulic Turbine for Hydro Power Plant

Overview

 

1. Water inlet parts

The water inlet components are composed of connecting pipes, water turbine inlet valves and expansion joints. The turbine inlet valve is used to shut down the unit in still water when shutdown is required, and is also used to shut down the unit and shut off the flow in dynamic water when the unit is in an emergency and the turbine distributor fails. Expansion joints are used to compensate installation errors and facilitate maintenance. The drain valve is located at the bottom. One end of the connecting pipe is connected to the water inlet valve of the steam turbine; the other end is connected to the power plant pipeline (welded on site).

2. Spiral case

Spiral case is welding part, equipped with fixed guide vane in it. Spiral case shall make the water become number of swirl of water flow and guide water to flow regularly into guide vane apparatus and runner along circumference. It is equipped with an air relieve valve on the top of spiral case to exhaust air when filling water initially.

3. Turbine distributor

It is composed of guide vane, guide vane rod, shaft sleeve, front cover, rear cover and so on. It can form or change the vortex number of the water flow to adjust the flow of the turbine according to the change of the load. It is also used for normal and emergency shutdowns. The shape, size, number and position of the 16 guide vanes are similar to those of the approved model turbine and shall ensure that the water flow will not cause vibration during operation. The diameter of the guide vane spacing circle is 860mm. The guide vane has hydraulic torque performance with automatic closing tendency in the range from full opening to close to no-load opening. There should be a certain margin for the maximum opening of the guide vane. Each guide vane is equipped with a stop block. When the shear pin breaks and the friction device between the guide vane and the guide vane rod fails, the guide vane can be controlled to swing within a certain range without colliding with other guide vanes. The guide vanes are made of ZG230-450 and should be interchangeable. Each guide vane is precision machined; the contact line of adjacent guide vanes should be completed to ensure that all guide vanes are in full contact in the closed state to reduce water leakage. The bearings of the guide vane shaft and the distributor shaft are self-lubricating sliding bearings; the bearing bush is made of steel-backed composite material. Use the vane stem end caps and bolts to adjust and maintain the position of each vane to the front and rear covers. A seal is located on the upper vane shaft to shut off flow. The control ring is entirely made of cast steel. A circular terminal block is located on the outer circumference of the control ring. The control ring has sufficient strength and stiffness not to bend excessively due to the unbalanced stress of the servo motor.

4. Runner

Runner is the heart of the turbine; it can transfer water energy to mechanic energy. Runner is welded as a whole, crown, band and blade is made of stainless steel ZG0Cr13Ni4Mo which has perfect performance of anti-cavitation, anti- corrosion and weldable. Crown and band adopts gap type sealing to reduce water leakage. Shape of each runner blade shall be machined according to standard GB/T 10969 "Specifications for water passage components of hydraulic turbines". The runner is welded and heat treated according to special specification, subject to non-destructive inspection according to ASME standard. The runner is subject to static balance testing after machining. Sixteen φ22 holes are located on runner crown in order to reduce the pressure applied on runner by the water.

5. Main shaft part

It consists of main shaft, fly wheel, etc. This type of hydraulic power generating unit adopts four fulcrums construction. Main shaft is made of 45# quality carbon construction steel. Disc type cast fly wheel transient stabilizes the unit when adjusting. Connect the main shaft and the runner by flat key to satisfy the interchangeable. Connect the turbine and generator by spring coupler for easy installation.

6. Main shaft service sealing

Main shaft service sealing is packing set, located on main shaft pass through the front cover. The service sealing is close, anti-friction, simple, easy to observe, maintenance and replace. Stainless steel shaft sleeve is located where the main shaft contacting with the packing. The packing is made of reinforced PTFE, anti-friction, anti-corrosion.

7. Draft tube assembly

Draft tube assembly consists of diffusing pipe, draft tube elbow and draft tube cone, guide the water flow into lower stream, make use of the potential energy of water flow at suction height, recycle major kinetic energy of the flow at runner outlet by its diffusion. All connecting flange shall be sealed, immersed depth of draft tube shall not be less than 40cm to prevent air entering into draft tube. Air admission device: Natural air is filled to lower of runner through the top of diffusing pipe to ensure steady operation of turbine when the guide vane under partial opening.

8. Servomotor assembly

It consists of servomotor, fork and ear pin.

Governor adjusts the opening of guide vane through servomotor, fork, ear pin and control ring according to the change of load.

9. Pressure gauge and vacuum gauge

Pressure gauge is located on spiral case for observing the pressure in spiral case. Vacuum gauge is located on diffusing pipe for observing the degree of vacuum of tailrace water. Cocks shall be equipped on pressure gauge and vacuum gauge piping for close and open the piping.

10. Braking device

It adopts 2 pneumatic piston type brakes, service pressure is 0.5~0.7 MPa.

Adopt pneumatic principle for the brake. Provide pressure source through seamless steel pipe to the brake, push the brake plate to rub the fly wheel to stop the unit. In case there is air leakage during operating, adopt appropriate method to solve it, such as tighten the loose nut by spanner or replace sealing material. The stroke of piston is 25mm. Adopt braking only when unit speed drops to below 30 % of rated speed!

 

Specification

Name 800kw Water Turbine Generator
Water Head 37m or customized
Runner Diameters 2.76m 
Capacity  800KW 
Frequency 50HZ
Generator Voltage 400V
Layout pattern Horizontal 
Material(blades) Stainless Steel ZG0Cr13Ni4Mo
Excitation Brushless 
Generator Insulation F/F
Lifespan 30~50 years

 

Why choose us?

1. More than 20 years of industry experience, install commissioning more than 150 equipment each year

2. Provide complete proposal for hydro power plant from water to wire

3. Abundant foreign power plant project implementation experience such as France, Japan, USA, South Africa, Sri Lanka, Iran, Southeast Asia

4. Design and manufacture of hydro power generator with voltage 400V,6.3KV . capacity exceed 1000kw with 400V

 

 

FAQ

 

   1.You are a trading company or a manufacture?

We are a hydro turbine generator manufacture with over 20 years of experiences, Our factory is in the Sichuan you will take 2 hours driving after you reach Shuangliu Airport, pay a visit to our factory you will know more about us.

2.What Kind of water turbine should I choose?

We need to know water head, flow rate, voltage level, frequency, on-grid or off-grid running, automation level from you to work out the solution

3: Can you do the EPC for the hydro power plant?

Yes, We can design, producing and install the equipment, we will dispatch technologist and workers to install the equipment.

 

 

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