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High heat transfer effect rapid cooling device custom size for
different turbine
Product description
The quick cooling device has a manual stop valve, a pressure
switch, a flow meter, an electric regulating valve, an
electromagnetic valve, an oil-water filter, a compressed air
electric heater, a pipeline, a gas collecting box, a pressure
gauge, a safety valve, a temperature measuring element, a control
cabinet, and the like.
Product Features
The equipment adopts two high-efficiency deoiling filters, which
are separated by centrifugation, followed by stainless steel wire
mesh, and then through filters with special ultra-fine fibers as
the main body.
It is a new type of air purification device which is based on
aerosol mechanics and condensed filtration mechanism to remove dust
from compressed air. Oil mist The filtration efficiency of wet
purification is less than 99%. Gu Ke desiccated the steam turbine
when it was fast cooling. Clean air quality,characteristics of
electric heaters;Compressed air electric heaters are made up of
multiple heating tubes. Cylinder body Spiral diversion baffle and
so on.
The heater core takes the form of spiral diversion, and compressed
air enters the heater interior for heating. The heater core is
heated by rotating flow around the heater core, and each heating
part of the heater element can be effectively utilized. The heat
transfer effect of the heat pipe is effective.
The heating wire, magnesia powder and other materials of electric
heater are made of high quality materials from selected import,
which enhance the service life of heating pipe.
Specifications
Model | Power (KW) | Working Pressure (Mpa) | Working Temperature (℃) | Working Flow (m³/min) |
GAO-13 | 75 | 0.8 | 350 | 15 |
GAO-20 | 150 | 0.8 | 350 | 20 |
GAO-30 | 200 | 0.8 | 350 | 30 |
GAO-33 | 250 | 0.8 | 350 | 30 |
GAO-50 | 250 | 0.8 | 350 | 35 |
GAO-60 | 250 | 0.8 | 350 | 40 |
GAO-100 | 300 | 0.8 | 350 | 60 |
cylinder cooling preparation before commissioning
rapid cooling equipment debugging personnel clear division of
labor, on-site control of one person, valve opening two,
centralized control room to monitor one person, to maintain smooth
communication, timely follow the commander's orders.
the operator of the control cabinet shall be responsible for all
the functions of the screen, buttons, switches, system settings,
etc., to be understood, proficient, and skilled in the operation of
the professional personnel, (see the control panel diagram for more
details)
the unit is ready to use the quick cooling device after shutdown,
the sliding parameter should be used as far as possible, and the
temperature after shutdown should be reduced as much as possible.
The first stage metal temperature of the high pressure cylinder and
the inlet blade ring temperature of the middle pressure cylinder
drop below 400 ℃.
before forced ventilation and cooling, steam turbine high, medium
pressure cylinder should be fully drained and completely isolated.
Because the drainage discharge is not enough or the system is not
strictly isolated, the cold steam and cold water enter into high,
the local temperature difference in the middle pressure cylinder is
too large, and the temperature drop rate is too large.