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I have compiled all the posts related to heating furnaces within the oil refining technology exchange area, so as to make it easier for everyone to search, save time, find what they need, and assist others in solving problems! Floor 1: 1–100 (Click on the title to access the hyperlink). 1. Photos of the burnout and wear at the outlet elbow of the heating furnace; 2. How do those with heating furnaces deal with fluctuations in high-pressure gas pressure in their systems? 3. What is the difference between online coking and burning of coke in coking heaters? 4. What happens when there is a sudden increase in the pressure at the inlet of a delayed coking heater? 5. Is it feasible to modify the feed heater in a catalytic cracking unit by eliminating heat exchange through the distillation system? 6. What is the temperature rise curve of the heater during the startup of delayed coking wax oil? 7. Why are the tubes in the heating furnace of a hydrocracking reactor arranged to allow flow from top to bottom? 8. How can vacuum formation in the feed pump of the heating furnace be prevented during the startup of a delayed coking unit? 9. On mechanical coking of coking heaters 10. Control of coking temperature in delayed coking heaters 11. What is the cooling rate when a delayed coking heater is shut down? 12. Under what conditions is it appropriate to start using the feed pump of a heating furnace during the startup process of a delayed coker? 13. How to handle the interruption of the seal oil supply to the radiant feed pump in a delayed coking heater? 14. What is the green liquid that flows out of the heater’s flue? 15. Flashovers cause the coking radiation pump to shut down – how should the heating furnace be handled? 16. What is used for igniting the heating furnace? The permanent light here is stuck for a long time... 17. Which manufacturers produce the burner tubes for heating furnaces? 18. Photos of the heating furnace tubes after salt deposition and charring have occurred. 19. How tall is the chimney of the reforming four-in-one heating furnace? Is it 40-50 or 70-80 meters? 20. How can the heating furnaces in atmospheric and vacuum distillation units be upgraded technically to save energy? 21. How to reduce the consumption of natural gas in heating furnaces? 22. Which type of structure is best for the air valves in heating furnaces? 23. May I ask where the permanent lights for the heating furnaces in your delayed coking units are connected from? 24. Energy conservation and reduced consumption are highly advocated these days; what is the thermal efficiency of the heating furnace in your facility? 25. Calculation of the cold oil flow rate in coking heaters? 26. Steam generation in reforming heaters. 27. Introduction to the heaters in Huizhou Refinery’s 4.2 million tons per year coking unit. 28. What is the typical excess air coefficient for reforming hydrogenation heaters? What impact does it have on the heating furnace? 29. How can the coking problem in the furnace tubes of the heating furnaces in atmospheric and vacuum distillation units be reduced? 30. Layout of the feed pipe line for the heating furnace 31. Methods for introducing natural gas into atmospheric and vacuum heating furnaces! 32. Accident handling for hydrogen heating furnaces in hydrogenation processes 33. Installation methods for tubular heating furnaces 34. Handling of heating furnaces when a plant needs to be shut down urgently 35. Use of natural gas as fuel for heating furnaces 36. Technical upgrades and optimized operation of heating furnaces to increase the liquid yield in delayed coking units 37. What should you do first when the oxygen content in a heating furnace is zero? 38. How to handle the atomized steam from the backup burner in a heating furnace that uses fuel oil in winter? 39. Issues associated with the use of four-in-one heating furnaces in continuous reforming processes. 40. Water in the flue of atmospheric pressure heating furnaces. 41. What preparations are necessary before a heating furnace develops salt deposits and starts to burn out? 42. Causes of corrosion in the waste heat recovery system of heating furnaces 43. Advantages and disadvantages of acoustic soot blowers and shock wave soot blowers in heating furnaces 44. What type of nozzles is most energy-efficient for the burners in heating furnaces used in atmospheric and vacuum distillation units? 45. Dew point corrosion in heating furnaces 46. What is an appropriate level for carbon monoxide content in heating furnaces? 47. Can plate heat exchangers be used for air preheaters in heating furnaces? 48. What precautions should be taken when burning liquid hydrocarbons due to low gas pressure in a heating furnace? 49. Please discuss how to improve the thermal efficiency of heating furnaces. 50. What are the precautions to be taken when operating heating furnaces? 51. The permanent light in the delayed coking heater 52. Energy-saving issues in heaters 53. Come and take a look, folks – regarding the heaters used in hydrocracking! ! ! 54. Control of steam injection volume in coking heaters 55. What are the differences between delayed coking heaters? 56. Can organic materials be vaporized in all 360 degrees directly using a heating furnace? (Seeking advice from those experienced in oil refining) 57. Should gas be used in heating furnaces? 58. The impact of heavy rain on heating furnaces. 59. Seeking information or steps regarding the integration of coking heating furnaces. 60. The pressure gauge tube at the outlet of a coking heating furnace is blocked; does anyone have any solutions? 61. A question regarding a heating furnace. 62. What kind of fuel is used in the heating furnaces of atmospheric and vacuum distillation units? 63. Atomizing steam for heating furnaces. 64. Operating methods for atmospheric and vacuum distillation heating furnaces. 65. Methods for cleaning coking furnaces. 66. Problems with heating furnace burners; please offer some advice! 67. Do all types of heating furnaces in oil refining plants need to be dried out? 68. Are safety valves installed on the furnace tubes of tubular heating furnaces? 69. What is the appropriate timing for starting the heating furnace blower? 70. The heating furnace of the device suddenly stopped working, and the pilot light is also blocked – how should the entire device be handled? 71. What should be the maximum allowable temperature of the outer wall of a distillation heating furnace? 72. How are the fans used in the heating furnaces of atmospheric and vacuum distillation units calculated and selected? 73. The impact of changes in the density of fuel gas on the operation of fuel gas heaters. 74. Has anyone encountered the problem of ash accumulation in heaters? 75. Water injection into the heater tubes of delayed coking units? ? 76. How can the gas from the top of the vacuum distillation tower be introduced into a heater for burning? 77. Issues regarding the service life of the induced draft fan in heating furnaces 78. Operation and adjustment of coking heating furnaces 79. On the interlocks in coking heating furnaces 80. What is the pressure drop in heating furnaces? 81. Cleaning of the furnace tubes in fuel-fired heating furnaces 82. Using flue gas bypass to improve the accuracy of negative pressure control in heating furnaces 83. How to introduce reduced-pressure gas into heating furnaces? 84. What are the methods for online cleaning of constant-pressure and reduced-pressure heating furnaces after ash accumulation? 85. Issues related to the operation of heating furnaces 86. Problems with heating furnaces 87. [Air-fuel ratio in heating furnaces] 88. Methods for removing coke from heating furnaces in oil refineries 89. Hydrogenation reaction heating furnaces 90. Questions regarding the operating conditions and mechanisms of tubular heating furnaces 91. Control of oxygen content in heating furnaces 92. How do heating furnaces get coked? 93. How to increase the load of heating furnaces? 94. What are the reasons for peeling of the furnace tubes in heating furnaces? 95. I have questions regarding the adjustment of heating furnaces. 96. How much do you know about the \"Several Regulations on the Safety Management of Tubular Heating Furnaces\"? 97. Does anyone here have any information related to heating furnaces? 98. How can the emission concentrations of waste gases from heating furnaces be reduced, such as SO2 and NOx? 99. Analysis of the causes of scaling in the tubes of delayed coking heaters 100. What are the general requirements for the layout of heaters?