100kW~200kW Shaft-extension Tubular Small Water Turbine / S-type
Kaplan Turbine1. Basic DataItemParameterCapacity135KWRated
Head 8.8mMax Water Head10mMin Water Head 5.5mRated
Flow2.0m3/sS-type Kaplan TurbineTurbine TypeS-type
KaplanTurbineTurbine ModleGD006-WZ-65Rotation Speed750r/minRunner
Diameter65cmRunner MaterialZG20SiMn+06Cr13Ni4MoGuide
Bearing Thordon Water Turbine GeneratorGenerator
TypeSynchronize, HorizontalGenerator ModleSFW135-8/850Rated
Power135kWRated Voltage400VRated Power Factor0.8
(Lagging)Frequency50 HzInsulation ClassF/FBraking WayOil Braking
(from governor)Excitation systembrushlessAuxiliary
equipment governor, electric panels and so on Any
other sizes are available according to customers' special
requests. GD006-WZ-65 type turbineGD-Tubular fixed blade
turbine;006-Runner code;WZ-Horizantal main shaft;Z-Shaft-extension
type;65 - Nominal diameter of runner, 65 cm 2. Brief
introduction of turbine structure and main componentThis
shaft-extension type tubular turbine shall be horizontal shaft,
fixed runner blades and adjustable guide vanes. Water flow shall be
led from water inlet casing pipe through stay column, distributor,
runner, draft tube and be drained to tail water canal. Water flows
through turbine to make its potential energy and dynamic energy be
converted rotational mechanical energy on turbine shaft which can
drive generator to rotate for power generating. Turbine and
generator shall be connected through coupling of bearing housing,
and be used governor to realize start, parallel, increase and
decrease of load, and stop. GD006-WZ-65 turbine consists
of: assembly of water inlet part, Thordon bearing, distributor,
rotational part, runner chamber and draft tube cone, regulating
mechanism, draft tube bend embedded part, thrust bearing housing.
(Maximum lifting weight: 3.2 tons) Turbine outer water
passage shall consist of connection pipe of water inlet, stay
column, outer ring of guide vane, runner chamber, draft tube cone,
draft tube bend etc. Connection pipe of water inlet,
stay column shall be adjusted well and be grouted into 1st
stage of concrete. Stay column has 2 footings. Draft tube cone has
one footing which is fastened on foundation buttress. Draft tube
bend is fastened by 2 footings which parts of them shall be grouted
into 2nd stage of concrete. In order to be convenient for
installation and maintenance, runner chamber and draft tube cone
shall be split into 2 parts, which it shall be connected by flanges
between draft tube cone and draft tube bend. 2.1 Assembly
of water inlet part Diameter of turbine water inlet pipe is
1014 mm, which on its top, it shall be opened a rectangle hole
for the use of installation inside bulb body, and on its bottom
opens drainage hole for the use of maintenance. Stay column
shall consist of 4 columns, 2 footings and inner ring. It shall be
on top of stay ring installed pressure meter which can measure the
pressure at water inlet. Radial bearing shall be installed on lower
half of flange of inner ring. Weight of components within water
passage of turbine, dynamic load shall be transmitted to concrete
foundation through stay column. 2.2 Assembly of Thordon
bearingIt shall be adopted imported Thordon bearing from abroad for
this turbine bearing which is assembled with bearing housing under
frozen condition of dry ice. After it is put under normal
temperature indoors. It shall be done fine processing on inner
diameter of bearing to dimension regulated by indoor temperature.
On this half of bearing, it is opened water sump which is
guaranteed its axial line on upper location so that it can store
lubrication water. (Note : clean water for lubrication). Bearing
shall be installed on inner ring of guide vane, which can
transmitted torque to concrete foundation through connection
between inner ring and stay ring. 2.3 Assembly of
distributorThis part shall mainly consist of outer ring of guide
vane, guide vane seat, inner ring, 12 pics.of guide vane, control
ring, pressure ring, guide vane sleeve, guide vane arm, connection
plate, steel ball and joint bearing, which its weight is around
1.94 tons. It shall have split pressure ring for control ring,
which can adjust adapter plate between split pressure ring and
control ring to make control ring to be in condition of automatic
centering to reduce friction of steel balls for making less
friction torque of control ring. Axial line between guide vane
and turbine shall be formed inclination of 80°, which is cone
arrangement. Profile or airfoil of guide vane shall be space
twisted streamline, which its range for rotational angle shall be
0~75°. Guide vane shall be adopted inblock cast with its
structure of 2 fulcrum. In order to be convenient for installation,
it shall be equipped guide vane short shaft on inner ring which is
matched with shaft end hole on guide vane inner ring. Inside guide
vane stem hole, it shall be pressed GS-2 steel back composite
sleeve which is lubricated by clean water. Materi
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