Flue Gas Exhaust Thermometer - Controlled Combustion
Factors that influence gas turbine performance
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Combustion Efficiency and Excess Air
The flue gas exit tempera ture from a boiler is usually maintained at a minimum of 200 o C, so that the sulphur oxides in the flue gas do not condense and cause corrosion in heat transfer surfaces. When a clean fuel such as natural gas, LPG or gas oil is used, the economy of heat recovery must be worked out, as the flue gas temperature may be well below 200 o C. Boiler Questions and Answers – Marine steam …
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Exhaust Gas Boilers And Economisers for Marine Machinery
The reasonable optimal steam production of Exhaust Gas Boilers where no economizers are incorporated are consequently reached at a steam pressure of 3-4 bar (saturated temperature 143-151°C). In practice it is found that the pinch temperature shall be kept at minimum 25°C as a lower temperature difference will substantially increase the heating surface and the price of the Exhaust Gas Boilers .
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Low Temperature Corrosion in Boiler and Its Prevention
- The gas temperature outlet in an exhaust gas heat exchanger is kept above 180°C to prevent low temperature corrosion occurring. There is about 10% water vapour in exhaust gas and also sulphur products and this can lead to suphuric acid forming which has a dew point of 140°C.
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What's the best temperature for a condensing boiler to be
19 rows · Feb 04, 2016 · Flue Gas Analysis Table Introduction. See Flue Gas Analysis. Operation. Using …
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Exhaust Gas Steam Boiler
Exhaust Temperature (o F) (o C) Chemical Oxidation: 1350 - 1475: 730 - 800: Annealing furnace: 1100 - 1200: 590 - 650: Fluidized-bed combustion: 1600 - 1800: 870 - 980: Natural-gas fired heating appliance with draft hood: 360: 182: Liquefied-petroleum gas-fired heating appliance with draft hood: 360: 182: Gas-fired heating appliance, no draft hood: 460: 238: Glass melting furnace
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Flue Gas Analysis Table | CleanBoiler.org
A flue gas exhaust thermometer should be installed near the base of the breeching near the boiler, to monitor the outgoing temperature of flue gasses. High flue gas temperature is typically an indication of soot build-up in the fireside of the boiler that causes reduced boiler efficiency, corrosion failure of steel, reduced heat transfer rates to the waterside of the unit, draft loss, excessive fan power consumption, …
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why the temperature of boiler exhaust gases should be
The Temperature in Your Boiler and the Dangers of
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What is a safe flue temp? What is too hot? | Hearth.com
the temperature difference between the flue gas leaving a boiler and the ambient supply temperature is 300 oC, and the carbon dioxide measured in the flue gas is 10% - then, from the diagram above the flue gas loss can be estimated to approximately 16%.
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