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1000kw francis hydro turbine 60Hz micro water generator for mini hpp
No. | ||
1 | Water head | 60m |
2 | Water flow | 2.13 m³/s |
3 | Capapcity | 1000kw |
4 | Efficiency | 89%-95% |
5 | Frequency | 50Hz/60Hz |
6 | Power factor | 0.8 |
7 | Rated efficiency | 95% |
8 | Excitation mode | Brushless |
9 | Color | Customized |
Brief introduction of turbine structure and main component
1. Water inlet parts
The water inlet part is composed of Z941H-10C-700 electric gate
valve and φ700 expansion joint. Gate valves are used to shut down
the unit in still water when a shutdown is required, and are also
used to shut down the unit and cut off the flow in dynamic water in
case of unit emergency and turbine distributor failure. The
telescopic joint is used to compensate for installation errors and
is convenient for disassembly during maintenance. The drain valve
is located at the bottom of the expansion joint.
2. Volute
The volute is a cast weldment with fixed guide vanes inside. The
volute should make the water become the vortex number of the water
flow, and guide the water to flow into the guide vane device and
the runner regularly along the circumference. It has a bleed valve
at the top of the volute to let the air out during the initial
filling.
3. Turbo 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 12
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 720mm.
The guide vane has hydraulic torque performance with self-closing
tendency in the range of 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, which
can control the guide vane to swing within a certain range, and
when the shear pin breaks, it will not collide with other guide
vanes. The guide vanes are made of ZG06Cr13Ni4Mo 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 whole control ring is welded by steel plate.
Lubricated circular guides and terminal blocks are located on the
underside 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
The runner is integrally cast and welded, and the crown, belt and
blades are made of ZG06Cr13Ni4Mo stainless steel, which has good
cavitation resistance, corrosion resistance and weldability. The
shape of each runner blade should be processed in accordance with
GB/T 10969 "Code for water channel components of water turbines".
The runners are welded and heat treated according to special
specifications, and non-destructively tested according to relevant
standards. The runners are statically balanced after machining. Set
10 Φ24 holes on the top of the runner to reduce the pressure
exerted by the water on the runner.
5. Spindle service seal
The spindle service seal is a packing component located on the
spindle through the front cover. Maintenance Seal tight,
anti-friction, simple, easy to observe, maintain and replace. A
stainless steel wear ring is located where the spindle contacts the
packing. The packing is made of reinforced PTFE, which is
anti-friction and anti-corrosion.
6. Spindle part
It is composed of main shaft, flywheel and so on. This type of
hydroelectric generating set adopts a four-point structure. The
main shaft is made of 45# high-quality carbon structural steel. The
disc-type cast flywheel stabilizes the unit during adjustment.
Connect the main shaft and the runner with a flat key to meet the
interchangeability. The turbine and generator are connected by a
spring coupling for easy installation.
7. Draft tube assembly
The draft tube assembly is composed of the air inlet connecting
pipe, the draft tube elbow and the draft tube cone, which guides
the water flow into the downstream, uses the potential energy of
the water flow at the suction height, and recovers the main kinetic
energy of the water flow at the outlet of the runner through its
diffusion. All connecting flanges shall be sealed, and the
immersion depth of the draft tube shall not be less than 30cm to
prevent air from entering the draft tube. Intake device: Inject
natural air into the lower part of the runner through the top of
the draft tube to ensure the stable operation of the steam turbine
when the guide vane is partially opened.
8. Bearing
The front bearing is a radial thrust sliding bearing, which can
bear radial and axial loads. The thrust disc rotates and the oil
passes through the oil plate, which then provides cooling and
lubrication for the bearing pads and thrust pads. The cooler is
located at the bottom of the bearing.
FAQ
Q1, Which turbine should I choose?
Please tell me the water head, flow rate, frequency, Total power you need
, voltage, on grid or off grid operation, we will propose a solution.
Q2, Can your factory provide all the equipment for hydropower generation?
Yes, we can provide you with turbines, hydro-generators, pressure regulators, turbine wheels, control panels, transformers, monitoring systems and more.
Q3, Can you do EPC for a hydroelectric power plant?
Yes, we can provide TURN-KEY and EPC services including measurement, design, manufacturing, construction, manufacturing, commissioning, inspection, maintenance runner replacement and refurbishment/upgrade/improvement/repair/refurbishment of turbines/generators including bearings, seals For parts and key parts, we will send technicians and workers to install equipment.
Q4,Is your company a trading company or a manufacturer?
We are a manufacturer of hydro turbine generators and started to promote the international market in 2013. Our factory is located in Sichuan, where China's water conservancy and hydropower is most developed. Welcome to visit our factory in China.
Q5, What is an acceptable MOQ?
For this product, our acceptable MOQ is 1 set.
Q6,How long is the delivery time?
Delivery times range from 15 days to 6 months depending on the model you are purchasing.
Q7,Does your company have its own independent official website?
Of course, and we can see more information about our company and products on our official website.