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Zhongke Tianrui Company and Shaanxi Steel Group Hanzhong Steel Co., Ltd. signed a contract for 2 bla

Date: 2019-05-29
Views: 13

中科天瑞公司与陕钢集团汉中钢铁有限责任公司签订 2#高炉安全智能在线监测系统合同

中科天瑞公司与陕钢集团汉中钢铁有限责任公司签订 2#高炉安全智能在线监测系统合同


2 The number of thermofurnace body thermocouple installations is 134, a total of 202 points. However, the number of thermocouples installed at the bottom of the furnace and in the furnace area was relatively small, with 66 units, for a total of 134 points. The original design furnace cylinder a week only installed 8 thermocouples, adjacent 2 thermocouples spacing 5.26 meters, up and down the spacing of 800mm, not to achieve the purpose of safety monitoring. Through the calculation of the safety intelligent online monitoring system and the furnace cylinder erosion model, the abnormal condition of the furnace cylinder can be judged, so as to take the protection furnace measures in time, and can effectively prevent the occurrence of blast furnace cylinder burning accident.




In order to make the erosion model calculation of the bottom erosion monitoring and early warning system of blast furnace furnace furnace more accurate, the thermocouple should be added in the blast furnace cylinder area, so as to improve the conditions for the establishment of the erosion model.


Specific technical solutions:


(1) Supplementary program: in 2 blast furnace cylinder and furnace bottom junction (the furnace cylinder easy to burn through the area) to install four layers of thermocouples, up and down the spacing of 500mm; The new furnace cylinder one layer, two layer, four layers of thermocouples each layer 16, three layers of 22, four layers of a total of 70, the use of 35 single points, 35 double points, a total of 105 detection points. The arrangement of the increased thermocouple takes full account of the previous thermocouple arrangement, and the cross arrangement between the new thermocouple and the original thermocouple is added, so that the furnace area forms a mesh arrangement detection. One of the iron mouth area is the weakest link of the furnace cylinder, is the most prone to accidents in the region, must strengthen detection, so this thermocouple layout fully take into account the special circumstances of the iron mouth area, the use of encryption arrangement detection, to ensure the safe production of blast furnace.



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