3.3.2 炉衬部分▲ 炉衬采用全纤维预制模块组合结构，吊挂铆固技术。

3.3.2 Furnace lining part <br>▲ Furnace lining adopts all-fiber prefabricated module combination structure, hanging riveting technology. <br>▲ The main material of the lining is 1430 zirconium-containing aluminum silicate refractory fiber with a long-term use temperature of 1300 ℃, which has the advantages of small thermal conductivity, light bulk density, good thermal insulation performance, easy construction and long service life. And can effectively reduce the storage and heat loss of the furnace lining and save energy greatly. <br>▲ The total thickness of the lining fiber is ≥350mm, which is made of external furnace shell steel plate + 50mm flat cotton (use temperature ≤1000 ºC) + 300 × 300 × 300mm aluminum silicate fiber module with a temperature resistance of 1430 ºC, fixed with heat-resistant stainless steel anchor nail The furnace top is riveted with penetrating high-temperature resistant riveting fasteners. <br>▲ Compared with the heat treatment furnace of brick body, the energy saving of the whole fiber structure is 20-25%.

3.3.2 Furnace lining<br>Furnace lining steaming uses a combination of full-fiber prefabricated modules, hanging riveting technology.<br>Furnace lining main material using long-term use of temperature of 1300 degrees C 1430 aluminum refractory fiber containing zirconium silicate, with low thermal conductivity, light weight, good insulation performance, easy construction, long service life and other advantages. And can effectively reduce the storage and cooling loss of the furnace lining, greatly save energy.<br>The total thickness of the furnace lining fiber is 350mm, by the external furnace shell steel plate , 50mm tiled cotton (using temperature of 1000 oC) and temperature-resistant 1430 oC 300 x 300 x 300mm aluminum silicate fiber module, fixed with heat-resistant stainless steel anchor nails, the top of the furnace using penetrating high temperature firmware riveting.<br>The use of a full-fiber structure is 20 to 25% more energy efficient than that of brick heat treatment furnaces.

3.3.2 lining part<br>▲ the furnace lining adopts the whole fiber prefabricated module combination structure and the hanging riveting technology.<br>The main material of furnace lining adopts 1430 zirconium containing aluminum silicate refractory fiber with long-term service temperature of 1300 ℃, which has the advantages of small thermal conductivity, light volume weight, good thermal insulation performance, easy construction, long service life, etc. It can effectively reduce the loss of storage and heat dissipation of furnace lining and greatly save energy.<br>▲ the total thickness of furnace lining fiber is ≥ 350mm, and the 300 × 300 × 300mm aluminum silicate fiber module with external furnace shell steel plate + 50mm flat cotton (service temperature ≤ 1000 ° C) + temperature resistance 1430 ° C is fixed with heat-resistant stainless steel anchor nails, and the furnace top is riveted with through high-temperature resistant riveting fasteners.<br>▲ compared with the brick heat treatment furnace, the whole fiber structure can save 20-25% energy.