| 摘要 |
A tie bar 14 comprising a metal beam 11 and a temperature control device 12, 13. The temperature control device may comprise a heating element, and may additionally comprise a temperature sensor, a switch, and a controller to control switching the heating element between a first and second temperature. The tie bar may further comprise an insulating layer. Alternatively the temperature control device may comprise an insulating layer. The insulating layer may comprise an elastic material. The insulating layer may comprise mastic. The metal beam may comprise a steel beam. Also claimed is an external combustion hot stove comprising a combustion chamber, a chequer chamber, and one or more of the tie bars connecting the combustion chamber to the chequer chamber.
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