What is the maximum allowable temperature for hydrogen in a tubular furnace during the post-furnace hydrogen mixing process? Why? Thank you
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What is the maximum allowable temperature for hydrogen in a tubular furnace during the post-furnace hydrogen mixing process? Why? Thank you
It depends on the material of the furnace tubes; we require the furnace temperature to be ≤800 and the surface temperature of the furnace tubes to be ≤490
Is it hydrogen mixing in front of the furnace? We require the furnace temperature to be ≤650℃
Austenitic stainless steel is used in the reaction section; according to Nelson’s heating curve, the thermocouples attached to the furnace tubes generally do not exceed 425 degrees
One is to consider the temperature that the furnace tube can withstand, and the other is to consider the maximum heating temperature of hydrogen. I can’t remember the number
When setting the temperature of the post-road hydrogenation heater, the furnace tubes are only one factor; what’s more important is to consider the properties of the feed oil. If it contains a high amount of unsaturated heavy hydrocarbons, high temperatures can easily lead to condensation and coking. The specific temperature depends on the design; different values apply depending on the type of crude oil used.
It depends on the material of the furnace tube; for our stainless steel TP321 furnace tubes, we require the furnace temperature to be ≤800.
It varies depending on the material of your pipes; different materials require different approaches~~~
The furnace exit temperature depends on the coking tendency of the medium； The furnace temperature depends on the material of the furnace tubes.