recovery boiler Agent flue gas composition
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
Recovery boiler Evaporators Smelt Black liquor 75% DS Flue gas Na 2 CO 3 Na 2 SO 4 Na 2 CO 3 Na 2 S Causticizing Green liquor Dissolver Water Na 2 CO 3 Na 2 S Steam turbine Steam (Power) Process steam CaCO 3 Lime CaO kiln (K Whitty) CaO + H 2Get Price
15/2/2017 · The recovery of heat from the flue gas is an effective way to improve the thermal efficiency of a boiler. In a coal-fired boiler with wet-desulphurization, a portion of the flue gas thermal energy is used for the latent heat process, which leads to temperature reduction and humidity increase.Get Price
31/3/2011 · The results showed flue gas water vapor condensed in the low temperature region of the heat exchanger system, with water capture efficiencies depending stronglymore » Sulfuric acid vapor condensed in both the high temperature and low temperature regions of the heat transfer apparatus, while hydrochloric and nitric acid vapors condensed with the water vapor in the low temperature region.Get Price
RECOVERY BOILER NOx-CONCLUSIONS (II) • 20 – 30 % conversion of NBL into NO •NBL content varies 0.05 – 0.15 % • Soft Wood < Hard Wood < Straw RECOVERY BOILER NOx-CONCLUSIONS (III) • NO can be controlled by operation: - air stagingGet Price
25/1/2021 · The influence of solution and flue gas parameters on the COP, water recovery efficiency η and thermal recovery efficiency ζ are evaluated. (2) In the OAHP system, the COP increases first and then decreases with increasing regeneration pressure and compared with the original one, this OAHP system has an improvement of COP by 2.2% to 0.5% when the regeneration pressure is 70–90 kPa.Get Price
of a recovery boiler. Outer layer: carryover, inner layer: fume deposits. Preferential formation of carryover and fume deposits in a recovery boiler. PIugging of the flue gas passages at the generating bank inlet in a recovery boiIer. Typical composition (wt%) of andGet Price
All important process steps like the burnout of the fuel bed on the grate, the burnout of the flue gas inside the combustion chamber, the heat recovery in a boiler as well as influences of the fuel composition are described in detail. High concentrations especially ofGet Price
which transfers heat from the flue gas to a portion of the boiler feed water, preheating it from 40 to 65 C (104 to 149 F). The cooling stage is the heart of the Karlskoga energy recovery system, reclaiming up to 20 MW-h from the hot flue gas. It also condensesGet Price
Latent heat recovery can boost power generation efficiency of pressurized oxy-coal boiler by up to 14% TMC can recover clean water from flue gas equal to 2.0% of steam demand No boiler modifications required Reduced dew point of flue gas 2, and NOGet Price
Performance study and application of new coal-fired boiler Get Price
optimum temperature range depends on the type of catalyst used and the flue gas composition. A 350 MMBtu/hr natural gas-fired boiler operating at 85% capacity requires approximately 17 m 3 ( 600 ft 3). For the same sized coal-fired boiler, the required3 3 Get Price
Title Microsoft Word - Extended abstract - Extractive determination of the flue gas composition in a recovery boiler furnace Author evainio Created Date 8/11/2009 3:26:01 PMGet Price
The flue gas composition and the flue gas temperature at outlet of the economizer were tested, and the influence of flue gas recirculation (FGR) on the efficiency of the incinerator-waste heat boiler and NOx emission in a waste incineration power plant with a waste disposal capacity of 500 t/d was e …Get Price
A system is provided for converting flue gas pollutants to useful ammonium sulfate byproducts in an instantaneous gas phase reaction between a gaseous ammoniacal substance and the sulfur oxides in the flue gas. The system also removes other pollutants by Get Price
4-4 Recovery Boiler Chemical PrinciplesGet Price
Performance study and application of new coal-fired boiler Get Price
which transfers heat from the flue gas to a portion of the boiler feed water, preheating it from 40 to 65 C (104 to 149 F). The cooling stage is the heart of the Karlskoga energy recovery system, reclaiming up to 20 MW-h from the hot flue gas. It also condensesGet Price
Title Microsoft Word - Extended abstract - Extractive determination of the flue gas composition in a recovery boiler furnace Author evainio Created Date 8/11/2009 3:26:01 PMGet Price
Kraft recovery boiIers are an important component of the chernical recovery process in the production of paper and paper board products. The main fùnction of a kraft recovery boiler is to recover the cooking chernicals korn the black liquor (by-product of chemical pulping) and to regenerate the sodium sulfide.Get Price
Boiler Flue Gas Desulfurization And Denitration Wet Advantages: Technology is mature, higher reliability, wide application. Carbon desulfurization rate can reach more than 95%, able to adapt to the large capacity units, high concentration of sulfur dioxide flue gas desulfurization, absorbent is cheap, and can produce has the commercial value of comprehensive utilization of by-product gypsum.Get Price
the flue gas. These factors mean that some form of flue gas treatment may be required. Flue gas treatment for CO 2 capture 5 The major impurities in the CO 2flue gas stream are water vapour, nitrogen, oxygen and argon. SO 2, NO 2, HCl and HF are minorGet Price
31/3/2011 · @article{osti_1084027, title = {Recovery of Water from Boiler Flue Gas Using Condensing Heat Exchangers}, author = {Levy, Edward and Bilirgen, Harun and DuPont, John}, abstractNote = {Most of the water used in a thermoelectric power plant is used for cooling, and DOE has been focusing on possible techniques to reduce the amount of fresh water needed for cooling.Get Price
In an ideal recovery boiler process, all the diverse sulphur and sodium compounds would be transformed to sodium sulphide (Na2S) and sodium carbonate (Na2CO3) and be contained in the smelt on the furnace bottom. In a real recovery boiler, however, theGet Price