horizontal coal fired 2 drums boiler
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
Boiler tubes, usually are made from carbon steel and are subject to. high rates of heat transfer, bending stresses due to uneven heating, especially at expanded or welded joints into headers or drums, external erosion from burners and flue gas, possible corrosion on the boiler side, and; occasional manufacturing defects.Get Price
In the reboiler of the regenerator, steam from the power plant is used to furnish the required heat duty. Typical values of the CO 2 partial pressure are 4-6 kPa for gas-fired power plants and 10-14 kPa for coal-fired power plants. This study has been performed considering a CO 2 partial pressure of 13 kPa.Get Price
In the reboiler of the regenerator, steam from the power plant is used to furnish the required heat duty. Typical values of the CO 2 partial pressure are 4-6 kPa for gas-fired power plants and 10-14 kPa for coal-fired power plants. This study has been performed considering a CO 2 partial pressure of 13 kPa.Get Price
Low-pressure boiler: This type of boiler produces steam at 15-20 bar pressure. This is used for process heating. According to the position of the axis of the boiler shell: According to the position of the axis of the boiler shell, boilers are classified …Get Price
What is a Boiler? Boiler Definition . Boilers are defined as "Boiler is a closed vessel in which water or other liquid is heated, steam or vapor is generated, steam is super-heated, or any combination thereof, under pressure or vacuum, for use external to itself, by the direct application of energy from the combustion of fuels, from electricity or nuclear energy.Get Price
Containers used with systems embodied in paragraphs (d), (e), (g), and (h) of this section, except as provided in paragraphs (e)(3)(iii) and (g)(2)(i) of this section, shall be designed, constructed, and tested in accordance with the Rules for Construction of Unfired Pressure Vessels, section VIII, Division 1, American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code Get Price
A flue gas analysis of a gas-fired boiler indicates that the CO 2 content is 8% with a gas flue temperature of 204°C (400°F). Determine the overall thermal efficiency of the boiler. Solution. By reading the monograph of Fig. 8.12, the combustion occurs with an excess air of 48% and excess O 2 of 7%. The overall boiler thermal efficiency is Get Price
2.1.2 Fire-Tube Boiler This boiler consists of a cylindrical shell with its crown having a spherical shape. The furnace is also hemispherical in shape. The grate is also placed at the bottom of the furnace and the ash-pit is located below the grate. The coal is …Get Price
Jul 25, 2017 · In a typical Water tube boiler design as shown in the figure, it consists of two drums the steam drum and the water or mud drum. On this design straight tubes were rolled into mud drum, and the front headers were connected to the steam drum. The rear header was connected to a horizontal box header, which was also attached to the steam drum.Get Price
Configurations of boilers for burning RDF, MSW, and other solid fuel are shown in Figs. 2.6Œ2.8 (Ref. 9). Coal-fired watertube boilers are classified into three major categories: stoker-fired units, PC-fired units, and FBC boilers. Stoker-fired boilers include a mechanical system that is designed to feed solid fuel into the boiler.Get Price
2.1.2 Fire-Tube Boiler This boiler consists of a cylindrical shell with its crown having a spherical shape. The furnace is also hemispherical in shape. The grate is also placed at the bottom of the furnace and the ash-pit is located below the grate. The coal is …Get Price
Although generally a land-based boiler, the four-drum form was also used as a marine boiler, to power large ships. The brick-built setting was replaced with a box-like steel housing, lined with firebrick. The water-tube diameter was reduced to between 2 and 2 + 1 ⁄ 2 inches (50.8 and 63.5 mm). To avoid problems with the water levels shifting Get Price
ME Board Problem Local coal with higher heating value of 5,500 kCal/kg is burned in a pulverized coal fired boiler with 25% excess air at the rate of 25.9 M.T. per hour when the steam generated is 220 M.T. per hour. This boiler is served by 2 forced-draft fans of equal capacityGet Price
Configurations of boilers for burning RDF, MSW, and other solid fuel are shown in Figs. 2.6Œ2.8 (Ref. 9). Coal-fired watertube boilers are classified into three major categories: stoker-fired units, PC-fired units, and FBC boilers. Stoker-fired boilers include a mechanical system that is designed to feed solid fuel into the boiler.Get Price
ME Board Problem Local coal with higher heating value of 5,500 kCal/kg is burned in a pulverized coal fired boiler with 25% excess air at the rate of 25.9 M.T. per hour when the steam generated is 220 M.T. per hour. This boiler is served by 2 forced-draft fans of equal capacityGet Price
What is a Boiler? Boiler Definition . Boilers are defined as "Boiler is a closed vessel in which water or other liquid is heated, steam or vapor is generated, steam is super-heated, or any combination thereof, under pressure or vacuum, for use external to itself, by the direct application of energy from the combustion of fuels, from electricity or nuclear energy.Get Price
Although generally a land-based boiler, the four-drum form was also used as a marine boiler, to power large ships. The brick-built setting was replaced with a box-like steel housing, lined with firebrick. The water-tube diameter was reduced to between 2 and 2 + 1 ⁄ 2 inches (50.8 and 63.5 mm). To avoid problems with the water levels shifting Get Price
firebox, horizontal and cylindrical boiler barrel consists with small flue tubes and smoke box provided with chimney for exhaust gases. They are used in traction engines, portable engines and some other steam road vehicles Figure 2: Lancashire Boiler Scotch marine boiler : This form of boiler uses large number of small diameter tubes.Get Price
Jul 25, 2017 · In a typical Water tube boiler design as shown in the figure, it consists of two drums the steam drum and the water or mud drum. On this design straight tubes were rolled into mud drum, and the front headers were connected to the steam drum. The rear header was connected to a horizontal box header, which was also attached to the steam drum.Get Price
(b) the boiler attendant or fireperson employed at a plant where 2 boiler attendants or firepersons are employed at the same time and whose duty it is to attend to the water of the boilers that are fired by the other fireperson. manufacturing and associated industries and occupations has the meaning given in clause 4.8.Get Price
34. What is the net boiler efficiency if the heat generated by fuel is 40,000,000 kJ/hr and the boiler auxiliaries consumes 2 MW. The ASME evaporation units of a boiler is 25,900,000 kJ/hr. Answer: A A. 46.75% B. 36.75% C. 56.75% D. 86.75%. 35. Testing of a stoker-fired boiler reveal that, during a period when 4550 lb of 12,400 BTU coal were Get Price
firebox, horizontal and cylindrical boiler barrel consists with small flue tubes and smoke box provided with chimney for exhaust gases. They are used in traction engines, portable engines and some other steam road vehicles Figure 2: Lancashire Boiler Scotch marine boiler : This form of boiler uses large number of small diameter tubes.Get Price
(c) Performing certain processes in the sugar mills, chemical and textile industries. Boiler is a closed vessel in which water is converted into steam by the application of heat. Usually boilers are coal or oil fired. 3.1.3 Types of Boilers The boilers can …Get Price
A flue gas analysis of a gas-fired boiler indicates that the CO 2 content is 8% with a gas flue temperature of 204°C (400°F). Determine the overall thermal efficiency of the boiler. Solution. By reading the monograph of Fig. 8.12, the combustion occurs with an excess air of 48% and excess O 2 of 7%. The overall boiler thermal efficiency is Get Price
(c) Performing certain processes in the sugar mills, chemical and textile industries. Boiler is a closed vessel in which water is converted into steam by the application of heat. Usually boilers are coal or oil fired. 3.1.3 Types of Boilers The boilers can …Get Price
34. What is the net boiler efficiency if the heat generated by fuel is 40,000,000 kJ/hr and the boiler auxiliaries consumes 2 MW. The ASME evaporation units of a boiler is 25,900,000 kJ/hr. Answer: A A. 46.75% B. 36.75% C. 56.75% D. 86.75%. 35. Testing of a stoker-fired boiler reveal that, during a period when 4550 lb of 12,400 BTU coal were Get Price
Low-pressure boiler: This type of boiler produces steam at 15-20 bar pressure. This is used for process heating. According to the position of the axis of the boiler shell: According to the position of the axis of the boiler shell, boilers are classified …Get Price