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Turbine deposits can accumulate in a very short time when steam purity is poor. The turbine shown in Figure 18-2 was forced off-line by deposition only 3 months after it was placed in operation. Carryover of boiler water, resulting from inadequate steam-water separation equipment in the boiler, caused this turbine deposit problem.
with pH adjustment chemicals, amines, and oxygen control chemicals, called scavengers. The condensate system is treated with pH adjustment and corrosion control chemicals, volatile amines and filming amines. The boiler is treated with chemicals to control deposition of salts and corrosion products, buffering of pH, and dispersants.
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Jul 20, 2021 · PROBLEM: Selection of water chemistry program is very crucial for Power Plants and need to take care of metallurgy of water and steam circuit & MOC of heat transfer equipment like condenser and HP/LP Heaters. Water treatment may affect the Boiler pressure parts, turbine blades, cooling tower water circuit. It will deteriorate the performance of
How an industrial boiler system works The heart of an industrial boiler system is a hot water or steam boiler operated with a certain kind of fuel. The boiler heats up or evaporates the water inside it, which is then transported to the consumers via pipe systems. In …
Water treatment program for boiler systems Water treatment = preventative maintenance program to minimize corrosion and scale in the boiler and carry over/deposits on the turbine. Well designed water treatment program can significantly reduce your energy, water, and maintenance costs while ensuring safe and reliable operation. Small reductions in boiler or condenser efficiency - huge increases
Steam Turbine • Function – Rotating machinery that efficiently converts heat energy to mechanical energy to turn a generator that makes electrical energy – Pressure and temperature are reduced in the process, hence high pressure and low pressure sections – Steam purity and proper boiler water chemical and mechanical control are important
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Chemical plants are the next most common industrial user of steam district heating systems where adding a steam turbine between the boiler and the distribution system or placing a steam turbine as a replacement for a pressure reducing station may be an attractive application. Often the boiler is capable of producing moderate -pressure steam
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Carryover in steam boiler systems occurs when the steam leaving the boiler becomes contaminated with unwanted solids, liquids or vaporous materials. If not dealt with correctly, boiler carryover can have a significant effect on the performance of the system. The main causes tend to be either mechanical or chemical in nature.
dinated boiler-following (BF) mode and coordinated turbine-following(TF)mode.1,5,7,8 Historically, boiler following schemes were the first to be used.9 In boiler following mode, the boiler awaits the actions of the turbine to match the requested generation. The turbine control valves regulate the steam flow into the turbine in terms of
May 02, 2000 · BASIC WATER TREATMENT OF STEAM BOILERS Steve Kenny and Dave Pope Chemco Water Technology Vancouver, WA This is a brief discussion on low-pressure steam boiler chemistry. It provides dry kiln boiler operators the tools to maintain an efficient and effective boiler …
Because BPSTs cogenerate two energy products (i.e., steam and power) simultaneously, they have an effective heat rate of 4,500–5,500 Btu/kWh, which represents an energy efficiency two to three times better than that of a condensing turbine, even after taking into account both boiler and turbine energy losses. (Heat rate is the amount of fuel
Nov 21, 2017 · ZBG Boiler has been manufacturing, designing, engineering and servicing gas, oil, coal, solid waste, wood, biomass and hybrid fuel fired steam and hot water boilers since 1945. If you have questions about steam turbines and power boilers, please Email [email protected] or Call 86-371-86062323. Steam turbine and boiler.
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Steam Production From steam tables we can see that the total heat of steam does not vary a great deal as the boiler pressure increase The boiling point (b.p.) increases as the pressure increases Thus the sensible heat increases as the pressure increases, and the latent heat decreases Boiler pressures are expressed in psia, psig, bar, kg/cm2