food fuel hot water vacuum water tube boiler manufacturers
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
Hot water boilers are popular in this country because in many cases codes require that a boiler operator be in constant attendance for a steam boiler but not for hot water boilers. In many hot water heating systems, it is desirable to vary the temperature of the hot water to meet the actual load in the building.Get Price
Dec 01, 2016 · The boiler temperature was normally held at 180°F (82°C), The water returning from the digester to the boiler was normally 6 to 10°F (3 to 5.5°C) colder than the outgoing water. Attempts to measure the flow rate of circulating hot water indicated approximately 5 …Get Price
Steam blanketing is a condition that occurs when a steam layer forms between the boiler water and the tube wall. Under this condition, insufficient water reaches the tube surface for efficient heat transfer. (e.g., sugar contamination in food processing plants) cooling water contamination from condensers; Then, before a vacuum is Get Price
Boilers are used to generate steam or hot water and can be fired by natural gas, fuel oil, or coal. a. The following boilers have combustion efficiencies between 78% and 86%. Firetube steel boilers are constructed so that hot gases from the combustion chamber pass through tubes that are surrounded by water.Get Price
Hot water heating boiler. A boiler in which no steam is generated, from which hot water is circulated for heating purposes and then returned to the boiler, and that operates at water pressures not exceeding 160 pounds per square inch gauge (psig) (1100 kPa gauge) and at water temperatures not exceeding 250°F (121°C) at or near the boiler outlet. Hot water supply boiler.Get Price
By adding heat to boiling water, indirectly via a combustion tube and burner, as in a conventional boiler. By reducing the pressure on water stored at its saturation temperature. This results in an excess of energy in the water, which causes a proportion of the water to change into steam.Get Price
Low pressure steam or hot water boiler means an electric, gas or oil burning furnace designed to supply low pressure steam or hot water for space heating application. A low pressure steam boiler operates at or below 15 pounds psig steam pressure; a hot water boiler operates at or below 160 psig water pressure and 250 °F. water temperature.Get Price
The gross power is of the order of 10-20% more than the net power and depends on the boiler design, service temperature and fuel. Therefore, for a boiler of 1000 kW net power, a burner with power of 1100-1250 kW is required. The boiler overpressure is the loss of load or pressure in the internal smoke circuit.Get Price
Hot water boilers are popular in this country because in many cases codes require that a boiler operator be in constant attendance for a steam boiler but not for hot water boilers. In many hot water heating systems, it is desirable to vary the temperature of the hot water to meet the actual load in the building.Get Price
Dec 01, 2016 · The boiler temperature was normally held at 180°F (82°C), The water returning from the digester to the boiler was normally 6 to 10°F (3 to 5.5°C) colder than the outgoing water. Attempts to measure the flow rate of circulating hot water indicated approximately 5 …Get Price
By adding heat to boiling water, indirectly via a combustion tube and burner, as in a conventional boiler. By reducing the pressure on water stored at its saturation temperature. This results in an excess of energy in the water, which causes a proportion of the water to change into steam.Get Price