gas recirculation

烟气再循环

natural draft

自然通风

mechanical draft

机械通风

balanced draft

平衡通风

forced draft

正压通风

induced draft

负压通风

zone control

分段送风

pressure atomization

压力雾化；机械雾化

mechanical atomization
twin-fluid atomization

双流体雾化

rotary-cup atomization

旋杯雾化；转杯雾化

direct leakage

直接泄漏

infiltration leakage
bypass leakage

间接泄漏

entrained leakage
boiler proper

锅炉本体

heating surface

受热面

radiant heating surface

辐射受热面

convection heating surface

对流受热面

pressure part

受压部件；受压元件

cylindrical shell

筒体

head

封头；端盖

header

集箱；联箱

tube panel

管屏

up flow riser tube panel

垂直上升管屏

ribbon panel

回带管屏

spirally-wound tubes

水平围绕管圈

tube bundle

管束

gas pass

烟道

gas duct
convection pass

对流烟道

parallel gas passes

并联烟道

air duct

风道

arch

拱

furnace arch

折焰角

water-cooled hopper bottom

冷灰斗

wall with refractory lining

卫燃带

refractory belt
supporting tube

悬吊管

design pressure

设计压力

maximum allowable working pressure

最高允许工作压力

maximum allowable metal temperature

最高许用壁温

furnace enclosure design pressure

炉膛设计压力

heat input

输入热量

heat output

锅炉有效利用热量