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当前位置 -> 热风炉热风炉知识分享延长热风炉使用寿命的方法有哪些 发布时间:(9/2)浏览次数:117

分享延长热风炉使用寿命的方法有哪些

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热风炉使用过程中经常会遇到一些这样那样的问题,使用热风炉的朋友们除了仔细阅读使用说明书外,还需要注意以下问题以便延长热风炉使用寿命,保持热风炉优良的性能。
In order to prolong the service life of hot blast stove and maintain its excellent performance, the friends who use hot blast stove need to pay attention to the following problems besides carefully reading the instructions.
1、应编制使用维护操作规程,建立运行记录和修理档案,统计运行累积工作时间,加强日常维护,掌握设备技术状态变化趋势,及早发现故障损坏苗头,避免属于事故抢修性质的热修,并根据热风炉负荷和工作状况,提前有针对性地准备修理用料,编制修理工艺。
1. Operational rules for operation and maintenance should be worked out, operation records and repair files should be established, cumulative working hours of operation should be counted, daily maintenance should be strengthened, changing trend of equipment technical status should be grasped, failure and damage seemingly detected as soon as possible, hot repair with the nature of emergency repair should be avoided, and needles should be provided in advance according to the load and working condition of hot blast stove. Prepare repair materials and work out repair technology.
2、不能超负荷使用没备,合金元件的最高使用温度是指元件在干燥空气中允许的本身表面温度,并不是指加热物质的温度或电热元件周围的温度。要注意电热元件本身的温度一股比它周围的介质温度或被加热温度高100℃。
2. Do not overload without equipment. The maximum service temperature of alloy elements refers to the allowable surface temperature of elements in dry air, not the temperature of heating materials or the temperature around the elements. It should be noted that the temperature of the electrothermal element itself is 100 C higher than that of the surrounding medium or the heated temperature.
3、热风炉升温后,不能长时间开启炉门。当温度高于400℃时,不得急剧冷却。对于电热元件在温度高、冷热变化大情况下,容易引起氧化掉皮。对于钼加热炉,EI常使用维护中注意应冷却至200℃以下方可停送保护气。
3. Hot blast stove can not open the door for a long time after heating up. When the temperature is higher than 400 C, it should not be cooled sharply. It is easy to cause oxidation peeling of electrothermal components when the temperature is high and the temperature changes greatly. For molybdenum heating furnace, EI should be cooled to below 200 before shutting down the protective gas.
①水分排出期O~200℃,是泥浆中的水分和砌体中潮气的排出期,必须打开炉门,同时保温时间较长。
The water discharging period is O - 200 C, which is the discharging period of water in mud and moisture in masonry. It is necessary to open the furnace door and keep it warm for a long time.
②砌体膨胀期是砌体开始膨胀及膨胀变形期,这时升温不超过50℃/h。
(2) The expansion period of masonry is the initial expansion and expansion deformation period of masonry, when the temperature rise does not exceed 50 C/h.
③保温期600℃以上,每升高100~200℃,要保温一段时间,过急易损坏砌体。
(3) The insulation period is over 600 C, and every 100-200 C increase, the masonry should be heated for a period of time, which is too quick and easy to damage. 


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