The industrial boiler is divided into the following types according to the pressure.
1. Ultra supercritical pressure boiler
Its steam parameters are pressure greater than 27.0MPa and rated outlet temperature greater than or equal to 590 degrees Celsius.
2. Supercritical pressure boiler
Its outlet steam pressure is 22.1- to 27.0MPa. The usual steam parameters are 23.5 ~ 26.5MPa.
3. Subcritical pressure boiler
The pressure is 16.7-22.1MPa, and the most commonly used steam parameter is 16.7MPA/538℃.
4. Ultra high pressure boiler
The pressure is 13.7-16.7MP, commonly used steam parameter is13.7MPA/538℃.
5. High pressure boiler
Pressure is 9.8-13.7MP, the most commonly used steam parameter is 9.8MPA/540℃.
6. Sub-high pressure boiler
Pressure is 5.4-9.8MP, the most commonly used steam parameter is 5.4MPA/540℃.
7. Medium pressure boiler
The pressure is 3.8-5.4MP, the most commonly used steam parameter is 3.8MPA/450℃.
8. Low pressure boiler
It refers to the boiler whose outlet pressure is less than 2.5MPa.
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