Sand rotary dryer, with wide application ranges, is mainly used in industries of slag industry and sand making industry. Except for sand materials, materials like mineral powder, grain slag, blast furnace slag, coal ash and coal cinder are also available for sand rotary dryer. The following content mainly discusses about the role of accessories for test run of sand dryer machine. Of course, the accessories are of great importance for rotary sand dryer.

During the test run period, the vibration of bearing and shifting of shaft should be in rated values. The nipping of chain and wheel should be steady without abnormal noise and wear. As to the driving belts, they should have the non-slip feature. The straight deviation of belt should be within rated value. Auxiliary systems like lubrication and hydraulic should work well without leakage. Besides, the sealing devices at both ends of sand rotary dryer should not be crushed or separated with each other.

when the test run without load is qualified, test run with load can begin. The working procedure for the latter is simple. At first, infusing hot air in revolving drum to make the temperature inside reach a certain degree. Then, putting little materials in rotary drum. When the load of sand dryer machine gets normal, even feeding can be performed. During the 8-hour test run period, we should repeat the above checks. Normal production can not begin until all checks are in normal condition.

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