combined fire tube steam boiler supplier in antarctica
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
Sep 19, 2013 · The shell plates of a boiler 4.5 m diameter are 42 mm thick and the tensile strength of the material is 495 MN/m^2.The efficiency of the longitudinal seams is 85% and that of the circumferential seams 85 %. Find the working pressure allowing a factor of safety of 5. A. 2.66 MPa B. 1.57 MPa C. 1.66 MPa D. 3.14 MPa 157.Get Price
Feb 21, 2016 · It is then mixed with hot air and blown into the firebox of the boiler. Burning in suspension, the coal/air mixture provides the most complete combustion and maximum heat possible. Water turns to steam: Highly purified water, pumped through pipes inside the boiler, is turned into steam by the heat.Get Price
Creep failure is an important phenomenon for steam and chemical plants which operate at high temperatures of 450 to 550°C, boilers, ovens, gas turbines, supersonic jets, rockets, missiles, and nuclear plants all working at very high temperatures. Creep failures or ruptures are easy to identify due to the deformation (necking) that occurs.Get Price
2. At an average temperature of 100C, hot air flows through a 2.5 m long tube with an inside diameter of 50 mm. The temperature of the tube is C along its entire length. Convective film coefficient is 20.1 W/m2-K. Determine the connective heat transfer from air to the tube. a. 900 W. c. 624 W. b. 909 W. d. 632 W. Solution Q. h AT. Where: AGet Price