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Fuchun Industry Development Co.,Ltd. Shenzhen
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470kW Small Water Turbine 60Hz Low Head Hydro Turbines Oil Braking

Fuchun Industry Development Co.,Ltd. Shenzhen
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470kW Small Water Turbine 60Hz Low Head Hydro Turbines Oil Braking

Brand Name : FUCHUN
Model Number : HL220-WJ-50
Certification : CE, IEC
Place of Origin : China
MOQ : 1
Payment Terms : L/C, T/T, Cash
Supply Ability : 600 sets per year
Delivery Time : 2 month to 12 months
Packaging Details : standard export packing, wooden cases, structural steel
Type : Francis Water Turbine
Capacity : 1x470kW
Rated water Head : 38m
Design Discharge : 1.64 m³/s
Rated Speed : 900r/min
Runner Material : Stainless Steel (06Cr13Ni4Mo)
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470kW Hydro Turbine / Small Water Turbine and 60Hz Hydro Power Generator

1. Basic Data

Item

Parameter

Capacity

1×470KW

Rated Head

38m

Rated Flow

1.64 m3/s

Francis Turbine

Turbine Type

Horizontal Francis Turbine

Turbine Modle

HL220-WJ-50

Rotation Speed

900r/min

Runaway Speed

1800 r/min

Runner Diameter

50cm

Runner Material

Stainless Steel (06Cr13Ni4Mo)

Cooling Way of Bearing

Water Cooling

Mini Water Turbine Generator

Generator Type

Synchronize, Horizontal

Generator Modle

SFW470-8/990

Rated Voltage

0.44kV

Rated Power Factor

0.8 (Lagging)

Frequency

60 Hz

Insulation Class

F/F

Braking Way

Oil Braking (from governor)

Excitation system

brushless

Transformer

0.44kV to 13.8kV

Auxiliary equipment

main inlet valve, governor, panls, and so on


Brief introduction of turbine structure and main component

1. Water inlet parts

Water inlet parts consist of Z941H-10C-700 motorized gate valve and φ700 expansion joint. Gate valve is used to close the unit in static water when need stop, it is also used to close the unit and cut the water flow in dynamic water when the unit is in emergency and turbine distributor break down. Expansion joint is used for installation error compensation and convenient for dismantle when maintenance. A drain valve is located at the bottom of expansion joint.

2. Spiral case

Spiral case is casting 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 consists of guide vane, guide vane lever, shaft sleeve, front cover, back cover, etc. It can form or change number of swirls of water flow to adjust turbine discharge according to variation of load. It is also used to normal and emergency shut down. The shape, dimensions, quantity and position of the 12 guide vanes is similar to the accepted model turbine, shall ensure the water flow won’t cause vibration during operating. Diameter of spacing circle of guide vane is 720 mm. The guide vane has the hydraulic torque performance of self-close trend within the range from full opening to near no-load opening. The maximum opening of guide vane shall have certain margin. Stop block is equipped for each guide vane, the guide vane can be controlled to swing with certain range and won’t hit with other guide vanes when the shear pin is broken. The guide vane is made of ZG06Cr13Ni4Mo, they shall be interchangeable. Each guide vane is machined precisely; the contacting line of adjacent guide vanes shall be finished to ensure perfect contact of all guide vanes under closing state in order to reduce water leakage. The bearings for guide vane shaft and distributor shaft are self-lubricated sliding bearings; the bearing shoe adopts steel back complex material. Use guide vane lever end cover and bolt to adjust and keep the position of each guide vane to the front cover and the rear cover. The sealing is located on upper guide vane shaft to cut the flow. The control ring is welded by steel plate as a whole. Circular guiding rail and wiring plate with lubricating performance are located on the bottom surface of the control ring. The control ring has enough strength and rigidity, won’t occur excessive bending due to unbalance stress of servomotor.

4. Runner

Runner is cast and welded as a whole, crown, band and blade is made of stainless steel ZG06Cr13Ni4Mo which has perfect performance of anti-cavitation, anti- corrosion and weldable. 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 relative standard. The runner is subject to static balance testing after machining. Ten Φ24 holes are located on runner crown in order to reduce the pressure applied on runner by the water.

5. 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 wearing ring is located where the main shaft contacting with the packing. The packing is made of reinforced PTFE, anti-friction, anti-corrosion.

6. 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.

7. Draft tube assembly

Draft tube assembly consists of air admission connecting 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 30cm to prevent air entering draft tube. Air admission device: Natural air is filled to lower of runner through the top of draft tube to ensure steady operation of turbine when the guide vane under partial opening.

8. Bearing

Front bearing is radial thrust sliding bearing to bear radial and axial load. The thrust disc rotate, the oil pass through oil board then supply cooling and lubricating for the bearing shoe and thrust bearing shoe. Cooler is located at the bottom of bearing to reduce the temperature. Cooling water is from clean water tank, water pressure is 0.15 to 0.2MPa. Water filter is located in cooling piping. Two thermometers are located on front bearing for supervising the temperature of thrust shoe and bearing shoe.

Back bearing is radial bearing to bear radial load. Oil disc carry the oil for lubricating. One thermometer is located for supervising the temperature of bearing shoe. Cooling device is located at the bottom.

Use 46# turbine oil for bearing lubricating.

9. Servomotor assembly

It consists of servomotor, fork and control ring.

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

10. Pressure gauge and vacuum gauge

Pressure gauge is located on spiral case for observing the pressure in spiral case. Vacuum gauge is located on draft tube elbow for observing the degree of vacuum. Valves shall be equipped on pressure gauge and vacuum gauge piping for close and open the piping.

11. Braking device

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

Adopt hydraulic principle for the brake. Provide oil through seamless steel pipe to the brake, push the brake to rub the fly wheel to stop the unit. In case there is oil 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!


12. Main shaft sealing drainage piping: Leakage water from main shaft sealing shall be drained through galvanometer pipe located on turbine, then drained to draft tube or collecting well through steel pipe prepared by user.

Under Manufacture


Power House


Company Information


Fuchun Industry Development Co., ltd Shenzhe is an experienced manufacture and engineering Company in small scale hydro power equipment ( 50Kw to 50Mw). We play the role of manufacture and EPC contractor and could supply water to wire equipments and services.

We provide customers with the complete package, from the design and manufacture of the turbine, generator and control equipment through to installation, commissioning and ongoing repair and maintenance.

1.Water Turbine Generator Unit Design & SUPPLY
2.Hydropower equipment supply
3.Feasibility study of hydropower project
4.Manufacture
5.Installation & Supervision
6.Commissioning and Training service
7. Hydro power plant rehabilitant

8. Hydro power plant spares supply
9.Services


Prominent Design

Professional Service

Prime Products

Prestigious Manufacturer


Our factory occupies 560,000 square meters of land,which inculdes 18 workshops,over 320 sets of heavy and precision producing and testing machinery;scientific research development center in the southern China,and various testing facilities.Besides of our 50 years industrial experice and expertise, we also hold close ties with several research institutions and universities in this field in order to maintain advanced technology and to develop new products.More than 20 kinds of our products have been granted national or provincial technical progress and excellent products awards.We fully carry out the ISO9001 quality management system.Our products can meet IEC standard and CE requirements.

Fabricating Machinery


Horizontal Lathe, MC1363 cylindrical grinding machine, B1016A facing machine,Two points closed pressural machine, CQ5250 CNC Double Column Vertical Lathe, CNC Flame Cutting machine, 500T Press machine 500T, VacuumPressure Impregnating, the production line of resin-bonded sand and so on.


Packaging & Shipping

standard export packing, wooden cases, structural steel, seaworthy packing


Our Services

Usually we guide the installation. We will dispatch engineers to site.(electrical engineer, mechanical engineer, control engineer and a translator according to requirement)


1.Water head:___M

2.Water flow:____M3/s

3.Frequency: 50HZ/60HZ

4.Generator outgoing line voltage:__Kv

5.On-grid or Off-grid type? (On-grid type voltage:____Kv)




Product Tags:

francis turbines

      

water powered generator

      
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