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As blast furnaces re-equipped after World War II, the favoured power source was either the diesel engine or the electric motor. These both had a rotary output, which worked well with contemporary developments in centrifugal fans capable of handling the huge volumes of air. Although the reciprocating steam blowing engine continued where it was ...
These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.
A sootblower may be operated manually or by a remotely controlled motor. The soot, which is removed from the heating surfaces, will be blown out with the flue gases. If the boiler is equipped with a dust collector, it will trap the soot. Otherwise, the soot will be ejected into the outside air through the chimney stack.
Air conditioning, often abbreviated as A/C (US) or air con (UK), [1] is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature and in some cases also controlling the humidity of internal air.
A stove or range is a device that generates heat inside or on top of the device, for -local heating or cooking.Stoves can be powered with many fuels, such as natural gas, electricity, gasoline, wood, and coal.
The EPA, in evaluating motor vehicle air conditioning substitutes for CFC-12 (Freon, or R-12) under its SNAP program, has classified as "Unacceptable Substitutes" other "Flammable blend[s] of hydrocarbons" because of "insufficient data to demonstrate safety." The EPA defines "Unacceptable" in this context as "illegal for use as a CFC-12 ...
blower. Also blower engine, blower fan. A mechanically driven fan used to increase air supply to the boiler furnace of a steamboat or steamship, thus increasing combustion and steam pressure, and thereby engine power and speed. Blue Ensign A flag flown as an ensign by certain British ships.
For high-temperature applications (up to 370 °C), e.g. on jet engines. Zinc free; used instead of BAg-13 where zinc fumes in the furnace are not allowed. Similar to BAg-13. Tends to liquate. Can be used for wide gap joints. Can be used with flux, but mostly used for fluxless furnace brazing of stainless steel in dry hydrogen. White color. 42: ...