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铸石板衬里的设计注意事项
1．风机主要受含尘气体的冲刷和少量腐蚀，无大的冲击，铸石材里厚度以20～25毫米为宜。
1. The blower is mainly scoured by dust-containing gas and a little corroded, without great impact. The thickness of the cast stone is 20-25 mm.
2.当过风机的气体温度比较高或温度变化比较大时，要求所用铸石制品有较好的耐急冷急热性能。特别是对于重要用途的风机，每一块铸石衬板都应通过耐急冷急热检验。
2. When the gas temperature of the fan is higher or the temperature change is larger, the cast stone products should have better resistance to quench and heat. Especially for important fans, every chilled stone lining should be inspected by fast cooling and hot quenching.
3．铸石衬里的安装结构要采取胶泥粘结、板筋加固和螺栓紧固并用的联接方式。因为往往由于风机转子的平衡没有找好，或叶轮的磨损不均，使风机运转中产生振动，如果铸石板联接不牢，就会产生脱落，甚至发生事故。
3. The installation structure of cast stone lining should adopt the joint mode of cement bonding, plate reinforcement and bolt fastening. Because often the balance of the fan rotor is not found, or the impeller wear uneven, so that the fan vibration in operation, if the cast slab connection is not strong, it will produce shedding, and even an accident.
4．风机壳体刚度不够时，应采取加固措施。
4. when the stiffness of the fan body is not enough, reinforcement measures should be taken.
5.风机工作温度高于200℃时，应选用改性硅质胶泥做粘结材料。
5. when the working temperature of fan is higher than 200 c, modified silica gel should be used as bonding material.
6．衬铸石后如果风机涡壳工作表面与叶轮的间隙过小，则在设计铸石衬里的同时应将钢壳体尺寸相应放大。叶轮两侧与壳体的间隙，虽然对风机的工作情况影响不大，但从安装和维修的角度考虑，衬铸石后应保证每边的侧隙不小于20毫米。
6. If the clearance between the working surface of the turbine shell and the impeller is too small, the size of the steel shell should be enlarged at the same time. The clearance between the two sides of the impeller and the shell has little effect on the working condition of the fan, but from the point of view of installation and maintenance, the clearance on each side of the impeller should be guaranteed to be no less than 20 mm after casting stone.
1. The blower is mainly scoured by dust-containing gas and a little corroded, without great impact. The thickness of the cast stone is 20-25 mm.
2.当过风机的气体温度比较高或温度变化比较大时，要求所用铸石制品有较好的耐急冷急热性能。特别是对于重要用途的风机，每一块铸石衬板都应通过耐急冷急热检验。
2. When the gas temperature of the fan is higher or the temperature change is larger, the cast stone products should have better resistance to quench and heat. Especially for important fans, every chilled stone lining should be inspected by fast cooling and hot quenching.
3．铸石衬里的安装结构要采取胶泥粘结、板筋加固和螺栓紧固并用的联接方式。因为往往由于风机转子的平衡没有找好，或叶轮的磨损不均，使风机运转中产生振动，如果铸石板联接不牢，就会产生脱落，甚至发生事故。
3. The installation structure of cast stone lining should adopt the joint mode of cement bonding, plate reinforcement and bolt fastening. Because often the balance of the fan rotor is not found, or the impeller wear uneven, so that the fan vibration in operation, if the cast slab connection is not strong, it will produce shedding, and even an accident.
4．风机壳体刚度不够时，应采取加固措施。
4. when the stiffness of the fan body is not enough, reinforcement measures should be taken.
5.风机工作温度高于200℃时，应选用改性硅质胶泥做粘结材料。
5. when the working temperature of fan is higher than 200 c, modified silica gel should be used as bonding material.
6．衬铸石后如果风机涡壳工作表面与叶轮的间隙过小，则在设计铸石衬里的同时应将钢壳体尺寸相应放大。叶轮两侧与壳体的间隙，虽然对风机的工作情况影响不大，但从安装和维修的角度考虑，衬铸石后应保证每边的侧隙不小于20毫米。
6. If the clearance between the working surface of the turbine shell and the impeller is too small, the size of the steel shell should be enlarged at the same time. The clearance between the two sides of the impeller and the shell has little effect on the working condition of the fan, but from the point of view of installation and maintenance, the clearance on each side of the impeller should be guaranteed to be no less than 20 mm after casting stone.
