Multi row radiant coil arrangement of a cracking heater for olefin production
AssigneeLummus Technology Inc.
InventorsStephen J. Stanley, Kandasamy M. Sundaram, Baozhong Zhao
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Abstract
A system for cracking hydrocarbons including a fired heater having a radiant section and a convective section. The radiant coil is disposed within the radiant section of the heater, the radiant coil having three to seven rows of tubes, wherein each row comprises two multi-pass tubes, and wherein the multi-pass tubes of the three to seven rows of tubes are collectively disposed symmetrically or pseudo symmetrically within the radiant section of the heater. The system further including a transfer line exchanger fluidly connected to an outlet tube of each of the three to seven rows of tubes.
Claims15
A system for cracking hydrocarbons, comprising:
- a fired heater having a radiant section and a convective section;
- one or more radiant coils disposed within the radiant section of the heater, each of the one or more radiant coils comprising three to seven rows of multi-pass tubes, and wherein each of the three to seven rows of multi-pass tubes is collectively disposed symmetrically or pseudo symmetrically within the radiant section of the heater;
- a single transfer line exchanger fluidly connected to an outlet tube of each of the three to seven rows of multi-pass tubes for each respective radiant coil of the one or more radiant coils.
A system for cracking hydrocarbons, comprising:
- a fired heater having a radiant section and a convective section;
- a radiant coil, disposed within the radiant section of the heater, comprising three to seven rows of multi-pass tubes, wherein each row comprises two multi-pass tubes, and wherein the multi-pass tubes of the three to seven rows of multi-pass tubes are collectively disposed symmetrically or pseudo symmetrically within the radiant section of the heater;
- a single transfer line exchanger fluidly connected to an outlet tube of each of the three to seven rows of multi-pass tubes.
Dependencies are inferred from the claim text.