Flue gas with high temperature in fire box or hot-wind furnace is discharged out by temperature adjusting mechanism so as to prevent the dry ashing of heat exchanger automatically in the invention.
本发明能自动将热风炉燃烧室的高温烟道气通过温度调 节机构旁路出去，防止换热器的干烧；
High-temperature box resistance furnace has high heat use rate and taking Elema as heating component to fix in the fire pot.
高温箱式电阻炉以硅碳棒为发热元件直接在炉膛内安装，热利用率高。
Especial 7ton tank, it adopts particular heat preservation maintenance structure and high temperature preservation box; it's suitable for the long distance and huge capacity transportation.
吨箱体，采用独特的保温结构和高效保温材料的保温料仓，能对沥青混合料进行长距离，大容量的运输工作。
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