tube-type heating furnace

Application of dry ice cleaning in heating furnace tube of petrochemical atmospheric pressure and decompression

干冰清洗在石化常减压加热炉炉管清灰技术的应用

High speed steel samples were ion nitrided in a tube reactor with an auxiliary heating furnace. The change of nitriding layer thickness, surface hardness and impact strength of the sample with H 2/ N 2 ratio, temperature and time were studied.

用外加热方式在管状反应室中对高速钢试样进行离子氮化，对氮化层的厚度变化、表面硬度及冲击韧性随H2／N2、渗氮温度及时间的变化进行研究。

Under the conditions of full-circumferential heating and half-circumferential heating, the heat transfer and pressure drop characteristics of internally ribbed tube with the diameter of φ 28 × 6 mm used in the furnace water wall of 600 MW supercritical sliding pressure operation once-through boiler was studied experimentally.

本文在全周加热和单侧加热的条件下，对600MW超临界变压运行直流锅炉水冷壁φ28×6mm内螺纹管进行了传热与阻力特性的试验研究。

Application of spiral inlet to vaporizing cooling water tube on bottom of heating furnace

加热炉炉底汽化冷却水管内螺旋插入件的应用

tube-type heating furnace with cross feeder

带有横向送料装置的筒式加热炉