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我厂自一九七四年开始在以重油为燃料的隧道窑上安装了自调仪表,通过摸索隧道的热工规律,不断完善现行的窑温自动调节方案,收到了比较好的经济效果:每年可节约重油500吨,综合成品率可提高2—3％,一级品率亦有所提高,扩大了制品的品种,减轻了操作工人的体力劳动,基本上有效地控制了空气污染。隧道窑系采用DDZ—1型仪表,对予热带压力、冷却带压力、热风压力、燃料
Since 1974, our factory has installed self-adjusting instruments on heavy oil-fueled tunnel kilns. By exploring the thermal rules of the tunnels and continuously improving the current automatic kiln temperature adjustment program, we have received relatively good economic results: Annual savings of 500 tons of heavy oil, the overall rate of finished products can be increased by 2-3%, a product rate has also been increased, expanding the variety of products, reduce the manual labor of workers, basically effective control of air pollution. Tunnel kiln with DDZ-1-type instrument, to the tropical pressure, cooling zone pressure, hot air pressure, fuel