Catalytic slurry pump pre-heater
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800 tons of slurry circulation rate, 500 for the pump outlet pipeline. The original DN25 pre-heater doesn’t work well. Later, it was replaced with a DN50 pre-heating line, and three valves were installed, all of which were set to the open position. The pump outlet pressure is 1.5 MPa, and the inlet pressure is 0.2 MPa. How large is the pre-heating line flow?
The pre-heating line doesn’t need to be very large; as long as the pipeline is hot and there is flow, that’s sufficient! Calculating traffic isn’t very meaningful!
Indeed, it’s not very meaningful to calculate this; practicality is what matters!
It’s better not to go too small; you can choose a larger valve that allows for control through closing. If the valve is too small, it will cause problems – it might get clogged by the catalyst when fully open, which is troublesome.
Actually, I’ve already switched to the 50 version; I want to see how much traffic the 50 version can handle
The preheating line should not be too large; moreover, a orifice plate must be used for flow control instead of valves
It’s better to use 50. In case the 25 setting gets clogged by catalysts or coke particles someday: lol. Given the high density of the slurry, the economic flow rate won’t be very high – around 9 tons per hour. This is just an estimated value for reference only
It is possible to observe the change in the slurry circulation volume before and after preheating, and thereby calculate the preheating amount: victory: