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Product Thermal Capacity: 1 - 20 t/h
Working Pressure: 0.7 - 2 Mpa
Product Thermal Capacity: 20 - 110 t/h
Working Pressure: 1.25 - 5.3 Mpa
Product Thermal Capacity: 2 – 20t/h
Working Pressure: 1 - 2.5 MPA
Product Thermal Capacity: 4 - 35 t/h
Working Pressure: 1.0 - 2.5 MPA
Fire tubes are large and not easy for transporting whereas, in a water tube boiler, it is not an issue. The efficiency of fire tubers are up t0 75% whereas in water tube boiler is up to 90%. The flow of direction in fire tube is not in an exact direction whereas, in water tube, it flows in an exact direction.
Click to view22:42Dec 09, 2019· Watertube boilers (also spelt as ‘water tube’ or ‘water-tube’) are used whenever a large steam production capacity is required; they are typically high pressure and high temperature boilers. This
Aug 30, 2019· The steam generated should be of high pressure in order to increase efficiency. So, to generate more steam, steam boilers are classified as water tube and fire tube boilers. The water tube boiler generates more steam of high pressure whereas a fire tube boiler generates steam of low pressure.
The locomotive boiler is another of the fire tube types. It is a portable model of the type used to drive power steam locomotives. The simple vertical boiler fire tube is no longer used in large installations but is still well-liked in heating homes. Fire tube boilers are design up to maximum pressure of 350 PSI.
Feb 10, 2017· And we know pressure is directly proportional to temperature. If temperature rise , pressure will rise. In fire tube boiler ,temp of water does not rise so high as in water tube boiler. Other reason is that we rarely use superheater in fire tube boiler whereas we use superheater in water tube boiler.
Why is a water tube boiler more prepared than a fire tubeDec 23, 2018What is a smoke tube boiler?Oct 04, 2018Why and how is DNB avoided in a water tube boiler?Apr 19, 2018Why are all high pressure boilers water tubes?Mar 26, 2018See more results The fire itself was on an iron grating placed across this flue, with a shallow ashpan beneath to collect the non-combustible residue. View More; Water-tube boiler - Wikipedia. 2019-2-21 · A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire.
Due to economics, the highest capacity of fire-tube boilers is currently in the 10,000 kg of steam per hour with an operating pressure of 16 atm (250 psi). The fire-tube boilers are generally simple to install and maintain. Moreover, they have the ability to meet sudden and wide load fluctuations with only small pressure changes.
The limitations of the fire-tube boiler design involve the following: Not fit for high-pressure uses of 250 psig and above Limited in their capacity for steam production …
Boiler Types According to tubing methods. Ther e are two main types of boiler Fire tube boilers and … not need high maintenance, boiler tube, add-on devices if the boiler is designed for optimum flue gas velocities in the first place. Each boiler pass should be designed with a cross sectional area to achieve optimal flue gas velocity, which in turn maximizes heat transfer while also minimizing performance robbing soot build-up within the tubes.
There are two general types of boilers: " fire-tube" and " water-tube" . Boilers are classified as "high-pressure" or "low-pressure" and " steam boiler " or "hot water boiler." Boilers that operate higher than 15 psig are called "high-pressure" boilers.
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