Equipment and Piping Layout : Furnaces

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Fired heaters are generally used to heat the feedstock so that it can be sent to a reactor for processing or to a distillation tower for separation of feedstock into various components. Furnaces, also referred to as heaters, are one of the main pieces of equipment
in a process complex.

  1. A furnace may raise the temperature of a gas or hydrocarbon liquid to meet specific processing needs or, in the case of pyrolysis and reformer furnaces, cause a chemical or physical change to the medium.
  2. A circular or box-type configuration is primarily used; variations to each design are covered below.
  3. In addition, because of the various types of furnaces, this article covers some basics of furnace design and discusses how to approach a piping layout as it relates to maintenance, operation and safety.
A typical Piping Design Basis specifies various aspects of furnace layout such as location of …Read More..
In this article, we will learn about various parts of a Furnace/Heater as well as …Read More..
The principal types of furnaces are box, circular, pyrolysis and reformer. Box Type Furnace/Heater Drawing below …Read More..
Furnaces / Heater consist of various parts and piping with different operational modes. Following is …Read More..
Furnace structure and heat release requirements are the determining factors in the selection of the correct …Read More..
The overall thermal efficiency of a furnace is improved if the air that enters the radiant …Read More..
This section describes the general arrangement of various type of furnaces and discusses how operation and …Read More..
Following figures present simplified piping and instrumentation diagrams for a circular furnace. The furnace has 6-in inlet …Read More..
Above is a simple PID for a box type furnace. This heater has 6-in product inlet …Read More..
Following figure shows the convections section steam coil piping along with some miscellaneous structural details. The …Read More..
Following figure shows a sample PID of a burner management system supplied by the burner vendor. …Read More..
A furnace transfer line is the primary product outlet header from a heater or furnace to …Read More..
Waste gas containing liquids that must be disposed of and that for environmental or safety reasons …Read More..

 

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