What would the best way to design a giant api wrapper. The simplified data used to illustrate the procedure is based on an amalgamation of four different existing delayed coker units. In older delayed coking units, the main areas of air quality concern are the coker chargefurnace stack emissions and the closed blowdown system stream that ties into the refinery flare stack. In the next section figure 3 and figure 4, the temperaturepressure profile, will then be utilized to describe the basic process in an. This cracks the heavy, long chain hydrocarbon molecules of the residual oil into coker gas oil and petroleum coke. Support facilities include closed blowdown, coke cutting and handling, and a water recovery system. The simplest approach would be to make one class with a method representing each poss. Therefore, brief descriptions of each of the processing steps preceding the delayed coking unit are provided below.
Energy recovery at a delayed coker unit this example is a description of the steps required to carry out a pinch study of a refinery delayed coker unit. Hazards of delayed coker unit dcu operations august 2003. Schematic diagram of delayed coker unit to gascon section salient features minimization of shot coke formation by parametric and feedstock quality adjustment. During the backwarming and drumcooling phases of the normal decoking cycle, hydrocarbon vapours pass from delayed coking advances. Theres a rather large api im trying to write a wrapper class around. Delayed coking is one of the chemical engineering unit processes used in many petroleum refineries. A delayed coker is a type of coker whose process consists of heating a residual oil feed to its thermal cracking temperature in a furnace with multiple parallel passes. What would the best way to design a giant api wrapper class. The main objective of the delayed coking unit is to convert low value residual products to lighter products of higher value and to produce a coke product.
Delayed coker upgrades low value residual fuel into higher value light products rum total coker unit liquid volume yield is approximately 80% of throughput. Delayed coking process and a photograph of a delayed coking unit. The simplest approach would be to make one class with a. In its simplest terms, delayed coking is a semibatch thermal cracking process using alternating drums that are switched offline after filling. Hazards of delayed coker unit dcu operations august 2003 once removed from the coke drums, the coke is transported away from the receiving area. Basics of refining and optimization valero energy corp.
Today we offer a full range of products for delayed coking including bottom and top coke drum unheading valves, isolation valves, hydraulic and electric actuation, controls and interlocks, autoswitch coke cutting tools and enclosures, and the retractable center feed. Software engineering stack exchange is a question and answer site for professionals, academics, and students working within the systems development life cycle. Oil refining industryenergy recovery at a delayed coker unit. From here, the coke is either exported from the refinery or crushed, washed, and stored prior to export. Delayed coker feed originates from the crude oil supplied to the refinery. Delayed coking is one of the unit processes used in many oil. The derricks above the drums that contain the drill stems are used to drill out the coke from the coke drums at the end of the coking cycle. We would appreciate hearing from you about this document.
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