1, the service life of the furnace is 8 years. However, the small parts in the middle should be replaced halfway because of wear and tear, and safety inspection should be done regularly. Tighten the bolts everywhere, especially the gas pipeline system, and check the leakage if necessary.

2. The actual service life of Xiatang sesame seed cake furnace is directly related to the actual use and maintenance, and regular maintenance is a necessary condition to improve the service life.