Dynamic Balance Technology Of Wine Steel Online Fan Has Achieve The Leading Domestic Level
Recently, wine steel maintenance engineering departments "20 micron online fan dynamic
balance technology applied research" project was awarded the first prize in Gansu province non-ferrous metallurgy industry association of science and technology achievements appraisal. Prior to this, at the end of 2011, the project has been found to achieve the leading domestic level and has won two national patents in Gansu province science and technology achievement appraisal.Along with the group company to expand production scale, the fan system application in the main production processes as sintering, ironmaking, steelmaking and rolling are more and more widely. The key equipment fan running state is good and bad is a necessary condition to guarantee that the production line can be normal operation. According to statistics, in 2010, the unit production of wine steel factories and mines has 9 times fan equipment fault for the reason of fan rotor imbalance of online production equipment, caused the direct economic losses of 8.2 million yuan.
Before the "20 micron online fan dynamic balance technology applied research" project promotion, wine steel has been using offline balancing approach to dynamic balance of fans rotor imbalance, this method is time-consuming, high cost and lack of precision. In addition, the three points balance method and influence coefficient method that widely applied in China also has many shortcomings. Facing this problem, by the end of 2010, maintenance engineering department was set up a project research group, which dominated by the maintenance area senior technician Song Junyi. They listed solve this one real problem as for maintenance engineering technology research topics, therefore, "20 micron online fan dynamic balance technology applied research" put on the schedule.
After a research team field study, theoretical analysis and practice, they final summary and formed a set of mature "20 micron online fan dynamic balance technology". This technique is generally applicable to the fan rotor dynamic balancing testing and maintenance, it is mainly use the "three round opening method" to judge fan rotor unbalance types, and removing the fan rotor imbalance, increase the fan running cycle and service life. The application of this technology can make the fan vibration displacement value down to 20 microns, its advantages of easy to mastered, advanced technical index has important significance for processing fan on-line dynamic unbalance problem.
At present, "20 micron online fan dynamic balance technology" has been generally applied to the wind blower system of sinter plant, iron works, steelmaking and rolling plant, carbon steel sheet plant, stainless steel company, and progressively promotion in the group company. According to incomplete statistics, last year, the 7 times of timely resolution of wine steel online film production equipment failure or defect, created economic benefits amounted to 35.04 million yuan.
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