Generally, the boiler outlet water vapor pressure is less than 1.9 MPa, which is called a low-pressure boiler;
Boiler outlet water vapor pressure of about 3.9 MPa boiler, known as medium pressure boiler;
工業工業工業鍋爐燃燒進口水氣體負擔為3.9兆帕差不多的工業工業工業鍋爐燃燒，被視為中壓工業工業工業鍋爐燃燒;
Boiler outlet water vapor pressure of about 9.8 MPa boiler, known as high-pressure boiler; boiler outlet water vapor pressure of about 13.97 MPa boiler, referred to as ultra-high pressure boiler;
電爐出來水蒸汽氣壓為9.8兆帕以內的電爐，可稱油田電爐;電爐出來水蒸汽氣壓為13.97兆帕以內的電爐，可稱超油田電爐;
Boiler outlet water vapor pressure of about 17.3 MPa boiler, known as sub critical pressure boiler;
電廠生物質燃氣鍋爐產品出口水水汽阻力為17.3兆帕差不多的電廠生物質燃氣鍋爐，分為亞臨界值阻力電廠生物質燃氣鍋爐;
Boiler outlet water vapor pressure of about 17.3 MPa boiler, known as sub critical pressure boiler;
Boiler whose outlet water vapor pressure is above 22.12 MPa is called supercritical pressure boiler.
生物質煤氣工業鍋爐燃燒出口貿易水水蒸汽學習學習壓力在22.12兆帕上面的的生物質煤氣工業鍋爐燃燒，統稱超臨介學習學習壓力生物質煤氣工業鍋爐燃燒。
