Model No.: TOPICN 66010
Standard: Aisi, Astm, Din, Gb, Jis
Whether Alloy: Is Alloy
Tolerance: ±1%
Transportation: Ocean
Payment Type: L/C,T/T
Fired Heater for hydrocracking unit
A fired heater is a direct-fired Heat exchanger that uses the hot gases of combustion to raise the temperature of a feed flowing through coils of tubes aligned throughout the heater. Fired heater is comprised of - Tube - Headers, Manifolds, Piping - Tube Supports
- Castable and lining - Burner System - Structure and accessories
Hydrocracking Process:
In the first stage, the preheated feedstock is mixed with recycled hydrogen and sent to the first-stage reactor, where catalysts convert sulfur and nitrogen compounds to hydrogen sulfide and ammonia. Limited hydrocracking also occurs.
After the hydrocarbon leaves the first stage, it is cooled and liquefied and run through a hydrocarbon separator. The hydrogen is recycled to the feedstock. The liquid is charged to a fractionator. Depending on the products desired (gasoline components, jet fuel, and gas oil), the fractionator is run to cut out some portion of the first stage reactor out-turn. Kerosene-range material can be taken as a separate side-draw product or included in the fractionator bottoms with the gas oil.
The fractionator bottoms are again mixed with a hydrogen stream and charged to the second stage. Since this material has already been subjected to some hydrogenation, cracking, and reforming in the first stage, the operations of the second stage are more severe (higher temperatures and pressures). Like the outturn of the first stage, the second stage product is separated from the hydrogen and charged to the fractionator.
Product Categories : Petrochemical Industry > Fired Heater
TAIGOO is a leading manufacturer of fired heater for petrochemical, coal chemical and fine chemicals industries, used in CDU & VDU, CCRU, hydrocracker, diesel hydrofining unit, hydrogen generation unit. TAIGOO has supplied its products to SINOPEC, CNPC, CNOOC, SINOCHEM, local refineries and overseas market, enjoying wide good reputation. The products include different types of fired heaters, steam reformer furnace, ethylene cracking furnace, DRI reformer tube and other centrifugal casting tube, pressure vessel.
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