It is indicated that average size of the tuyere coke.
dict.cnki.net
补风口：采用铝合金百叶窗，表面环氧树脂喷涂。
Tuyere: aluminum alloy shutter, the surface was electro -sprayed by epoxy resin.
dict.cn
通过利用风口测量枪进行的微波反射测量方法讨论了大煤粉喷吹量条件下高炉风口回旋区的形成。
The blast furnace raceway formation under the intensive coal injection by measurement of micro wave reflection gunned through a tuyere is discussed.
dict.youdao.com
补风口: 采用铝合金百叶窗, 表面环氧树脂喷涂.
Secondary air tuyere: aluminum alloy shutter, the surface was electro - sprayed by epoxy resin.
dict.cn
计算结果说明：热障涂层具有保护风口、防止烧损的作用，即热障处理是提高风口使用寿命的有效途径。
The results showed that thermal barrier coating can reduce heat loss and increase blast temperature, is an effective method to prolong the service life of tuyere.
