what is boiler pressure?

   The boiler pressure usually referred to in the boiler industry means the force perpendicular to the unit wall area of the vessel, generally expressed as "Mpa", and can also be expressed in terms of "psi", "bar", "kgf/c㎡" and "atm". A boiler is an enclosed vessel that provides a means for combustion heat to be transferred into water until it becomes heated water or steam. The hot water or steam under pressure is then usable for transferring the heat to a process. When water is boiled into steam its volume increases about 1,600 times, producing a force that is almost as explosive as gunpowder. This causes the boiler to be extremely dangerous equipment that must be treated with utmost care.rJZHorizontal boiler

what is boiler pressure?rJZHorizontal boiler

  In order to facilitate comparison, boilers with boiler outlet vapor pressures within a certain range are often classified as boilers of the same pressure class.rJZHorizontal boiler

  (1) For boilers whose outlet steam pressure is lower than or equal to 2.45 MPa, the steam temperature is mostly saturated or not higher than 400 °C.rJZHorizontal boiler

low pressure oil and gas boilerrJZHorizontal boiler

  (2) Boiler with a steam pressure of 2.94 - 4.90 MPa at the outlet of the medium pressure boiler. The current parameter series of power station boilers in China, the steam pressure at the outlet of the medium pressure boiler is 3.83 MPa, and the steam temperature is 450 °C.rJZHorizontal boiler

  (3) The boiler with a steam pressure of 7.84 - 10.8 MPa at the outlet of the high pressure boiler. The current parameter series of power station boilers in China, the outlet steam pressure of high pressure boiler is 9.81 MPa, and the outlet steam temperature is 540 °C.rJZHorizontal boiler

  (4) Boiler with a steaming pressure of 11.8-14.7 MPa at the outlet of the ultra-high pressure boiler. The current parameter series of power station boilers in China, the steam pressure at the outlet of the ultra-high pressure boiler is specified as 13.7 MPa, the steam outlet temperature is 540 ° C, and the minority is 555 ° C.rJZHorizontal boiler

  (5) Boiler with a steam pressure of 15.7 to 19.6 MPa at the outlet of the subcritical pressure boiler. China's power plant boiler current parameter series, the subcritical pressure boiler outlet steam pressure is specified to be 16.7MPa, the outlet steam temperature is 540 ° C or 555 ° C, a few is 570 ° C.rJZHorizontal boiler

  (6) The supercritical pressure boiler outlet steam pressure exceeds the critical pressure of the boiler. The critical pressure of water vapor is 22.1 MPa. At present, the supercritical pressure of power station boilers is mostly between 25 and 27 MPa.rJZHorizontal boiler

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