Waste heat use of PC steel strand production process

Waste heat discharge in PC steel strand production process is mainly in wire drawing,stabilization treatment and compressed air process.The main reasons of heat production in steel wire drawing process are as follows,deformation energy,the heat produced by friction between steel wire and drawing die and energy produced by wire drawing machine running.When atmosphere temperature is 2 ℃,the average die exit temperature of diameter 13.0 mm steel wire in wire drawing process is 127 ℃,the average temperature before entering into die is 56.3 ℃.In wire drawing process,the energy discharged each second of one wire drawing machine with 9 pass is about 276.38 kJ.In stabilization treatment process,the energy discharged each second of steel strand cooling is about 306.03 kJ.The problem existed in waste heat utilization is analyzed.The working principle of absorption heat pump is introduced.The thought of using heat pump technology to change waste heat produced by steel strand industry into heat source of another industry is proposed.