Ethylene cracking furnace tube by Qingdao Hexin Machinery Co.,Ltd.

 Ethylene cracking furnace tube

Tubular cracking furnace is the main technology for ethylene production, ethylene cracking furnace including: heating systems , heat recovery systems ,  reaction system , the device includes burner , radiant section , convection section , quench system , the high pressure steam system . Cracking furnace tubes are used in the radiant section , also known as the radiant section tubes . Cracking tube’s working temperature is 1000 ℃ -1150 ℃. It is an important equipment of ethylene cracking furnace . Ethylene cracking furnace radiant section tube parts include centrifugal casting tube , centrifugal casting tube bending , static casting pipe fittings , forgings, rolled tubes and other components.

Use Metal centrifugal casting process , molten steel is cast into a variety of tube blank under centrifugal force ,through deep hole boring machine boring the hole, lathe groove welding , assembly and welding to be long tube . Long tube with extension flange , strengthen joints, and other accessories assembled conical bottom tubes are welded into conversion ; long tube  and elbows, tees , and other fittings  assembly are welded into ethylene cracking tube .

Material grades is in strict accordance with standard for customers in different countries, commonly used material grades :

ZG40Cr25Ni35NbZG40Cr35Ni45NbHP-NbHT50GX40NiCrSiNb35-26GX40NiCrNb45-35SCH24XNb
General centrifugal casting products supply specifications:

Cracking tube: OD 50mm-200mm,wall thickness 5mm-20mm

Manifold: OD 100mm-400mm,wall thickness 10mm-40mm

Static casting supply specifications :

90°elbow,180°elbow,tee , palm tube, three-dimensional shaped elbow , hanging pieces etc.








Comments

  1. Wow, this article is awesome wish to see more like this. Thanks for sharing such information. You can check this out too ethylene control. Thank you.

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