以万吨重载列车空气制动系统的充气特性作为研究对象，研究副风缸在列车充气作用时的压力变化情况。

With the charging features of the air braking system on the 10 000 t heavy haul train as the research object, the change of pressure in the auxiliary reservoir during charging on train is researched.

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为此，采取了加砌保护砖、控制风温、限制风量、改进导气管等方法，保证了炉缸处于良好的工作状态。

In order to keep the hearth in good working state, some measures are adopted such as added building protective brick, controlling air temperature, limiting wind quantity and improving windpipe etc.

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