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Boiler selection

2018-06-28View Original

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Question for the expert: Our factory uses steam at a pressure of 1.0 MPa, with a required evaporation capacity of 15 t/h. Can we choose a gas boiler with a rated operating pressure of 1.25 MPa?
Reply #22018-06-28
Sure.....................
Reply #32018-06-28
Okay, 10 kilograms of pressure is required; it makes sense to choose a boiler with 12.5 kilograms of pressure
Reply #42018-06-28
Generally, those in our industry choose 1.6 MPa, so I’m seeking advice from everyone here; my main concern is that the pressure might not be high enough.
Reply #52018-06-28
I think that’s fine too. The woman with the surname He married the man with the surname Zheng.
Reply #62018-06-28
It must be possible; it won’t do if 1.25 isn’t used either.
Reply #72018-06-29
It depends on the distance from the boiler to the user, as well as the number of bends, etc. If there is excessive pipe loss, the steam pressure at the user’s end might be below 1.0 MPa; 1.6 MPa is of course a safer option
Reply #82018-06-29
If it’s high enough, a temperature and pressure reducer can be installed; though it doesn’t need to be that high
Reply #92018-06-29
1.0 refers to the pressure required by the process, right? In that case, the pressure loss during pipeline transportation must be taken into account; if the calculated value is quite close to 1.0, it’s safer to choose 1.6 instead.

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