
U101-C Flowmeter
Materials:
Body: Cast lron (Spray-Painted)
seals: Buna-N
Technical Specifications:
Discharge rate of each revolution:0.5L
Flow rate range:5L~60L/min
Accuracy:±0.2%
Repeat error:�.1%
Environmental condition:-40~~+70degree
Package:
Product ID Net Weight Cross Weight Dimension
U101-C 23kg/case of 1 25kg/case of 1 28Ă—26Ă— 45cm/case of 1
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plant s turbines. fuel dispenser The newest ones heat the steam to as much as 600°C—a state physicists call
“supercritical� But there is no reason to stop there. Engineers believe that hotter boilers would raise
yields even more. Such “ultra-supercritical�boilers, they say, could achieve efficiencies of over 50%,
reducing emissions still further.
Substituting biomass for some of the coal burned can also help. Plants, after all,
“Coal plants
grow back after being harvested, so burning them does not add to overall levels
produce a quarter
of carbon dioxide in the a fuel dispenser tmosphere. By replacing 20% of their fuel with
of the 25 billion
biomass, power stations can reduce their emissions by a further 20%. (Any
tonnes of carbon
more than that, says Lars Stromberg of Vattenfall, a European energy firm, and
the ash from burning it would gum up the works of most furnaces.) Emissions dioxide released
also fall if biomass fuel is used to pre-heat the steam before it enters the boiler.
every year�
All told, Mitsui Babcock calculates, these measures could cut emissions from
coal-fired plants to the same level as those using natural gas.
The coal burnt in power plants can also be improved, mainly by drying. Less dense types, such as sub-
bituminous and lignite coal, can contain up to 50% water. When burned, the water escapes as steam up
the chimney, carrying valuable heat with it. Evergreen Energy, an American firm, is selling heat- and
pressure-treated coal which, it claims, is as much as a third more efficient than ordinary coal.
Such techniques are pa fuel dispenser