It is about the ring screw thread smoke channel of the boiler shell type gas tube in the boiler field.
锅壳式烟管锅炉烟管内置水管的环形螺纹烟道，它涉及锅炉领域。
The calculation method of boiler shell strength and the influence of stability on boiler are described.
介绍了锅炉壳板强度的计算方法及稳定性对锅炉的重要性。
The utility model relates to a household economizing multifunction boiler, and is a boiler for household, comprising a heating device, a heat collecting box and a boiler shell.
家用经济多功能锅炉，为一种适于家庭的锅炉，其由加热装置、集热箱、炉壳组成。
Because of the much thick wall of large capacity boiler drum, the pressed and weld longitudinal seam is used to manufacture the drum shell ring.
由于大容量电站锅炉汽包的壁较厚，所以在汽包筒节制造时常采用压制成两个半圆瓦片再焊接而成的方法。
The velocity and temperature profiles of water flow in the shell-side of a shell-tube waste heat boiler were experimentally studied.
本文对列管式废热锅炉火管管间液体流速场和温度场进行了实验研究。
The velocity and temperature profiles of water flow in the shell-side of a shell-tube waste heat boiler were experimentally studied.
本文对列管式废热锅炉火管管间液体流速场和温度场进行了实验研究。
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