The end of tube is expanding in the tube plate tightly in order to make sure sealed.
芯管两端紧紧地胀在管板上，以达到水密性的要求。
Tube bundle fix the drooped structures through welding for both ends of upper header and make fly ash drop by rapping the end plate of lower header.
锅炉中的管束是上部集箱的两端通过焊接固定垂下的结构，通过锤打下部集箱的端板，振落飞灰。
As a simple device without moving parts, vortex tube is composed of nozzle, vortex chamber, separating plate, control valve, hot-end and cold-end.
由于冷端孔板的阻隔，外层气流便高速螺旋状向热端管运动，流动的涡流特性也同时向热端管运动而逐渐减弱。
Furnace and back-end enclosure wall all adopt membrane wall structure. The outside of tube wall is insulation material and is covered with trapezoid corrugated outer protection plate.
炉膛及尾部包墙均采用膜式壁结构，管壁外侧为保温材料并罩上梯形波纹外护板。
The fore end tube plate of the condenser has cracked beyond repair.
冷凝器前端破裂得无法修理了。
A wear-resistant bushing is sheathed on a tail end sleeve end tube, and a flange of the bushing is pressed between the tail wing plate and the tail end sleeve tube.
尾端套管上穿套一个耐磨轴衬，轴衬凸缘被压在尾翼板和尾端套管之间。
A wear-resistant bushing is sheathed on a tail end sleeve end tube, and a flange of the bushing is pressed between the tail wing plate and the tail end sleeve tube.
尾端套管上穿套一个耐磨轴衬，轴衬凸缘被压在尾翼板和尾端套管之间。
应用推荐