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大连弹簧厂在市技协与大连铁道学院的协助下,试制成功了一台利用淬火油炉烟道余热的烟道回火炉,其炉膛大小为1650×950×900毫米~3。回火炉砌在淬火用油炉的烟气出口处。烟气由回火炉一端进入,通过回火炉底部流向另一端垂直向上的烟道,经此烟道进入上层后通过炉膛两侧流向通往烟囱的烟道。测得烟气进入回火炉时的温度为850℃,自回火炉排出时的温度为550℃。根据淬火油炉所给出的废
With the help of Dalian Technical Institute of Technology and Dalian Railway Institute, Dalian Spring Factory succeeded in trial production of a flue gas recovery furnace using waste heat from the flue gas from a quenching oil furnace whose hearth size is 1650 × 950 × 900 mm ~ 3. Tempering stove in the quenching oil furnace flue gas outlet. Flue gas enters the furnace through one end of the tempering furnace and flows through the bottom of the tempering furnace to the vertically upward flue which enters the upper layer through the flue and flows through the sides of the furnace to the flue leading to the chimney. Measured flue gas into the tempering furnace temperature is 850 ℃, self-tempering furnace discharge temperature of 550 ℃. According to the quenching oil furnace waste given