| Low temperature carbonization furnace is the key equipment in the process of producing carbon fiber,but its research progress is slow in domestic,the output and quality cannot satisfy the needs of practical production.Therefore Low temperature carbonization furnace is problem of nationalization and industrialization of carbon fiber production line equipment.Low temperature carbonization furnace is mainly composed of furnace,heat preservation material,stainless steel muff,heating element,sensors,etc.Among them,the stainless steel muff are key components in low temperature carbonization furnace,which was used under the environment of 300 ~ 1000 ?,its air-tightness,life,deformation and local stress greatly affects the performance of the low temperature carbonization furnace and service life.The stability and quality of the final carbon fiber was impacted by the stainless steel in the muff temperature and the size of the difference in temperature.According to the requirements of the low temperature carbonization furnace design and processing,The temperature,atmosphere,cooling system,heat preservation of the stainless steel muff was system analysis and design.Simulation of finite element analysis was carried out on the stainless steel muff by using Solid Works.The temperature field and stress field analysis of the stainless steel muff was carried out by Solid Works which based on the actual usage,solve the heating area of the thermal stress distribution and deformation distribution.Combining factors can affect the service life of the stainless steel muff analysis of stress concentration area,and can reduce the stress and deformation of the measures are put forward.Finally,low temperature carbonization furnace temperature uniformity is evaluated by total station data analysis and long-range data analysis respectively.The results show that the test of low temperature carbonization furnace temperature uniformity is good. |
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