Introduction to the Structure and Sliding Bearing of High Temperature Melt Pump

The high-temperature melt pump is a complete system consisting of a motor, reducer, coupling, and pump head. Among them, the pump head is composed of the pump casing, front and rear side covers, gear shafts, sliding bearings, and shaft seals. It is worth noting that the sliding bearing of the high-temperature melt pump adopts an integral centripetal sliding bearing, which can serve as both a bearing and a baffle, effectively preventing melt side flow and gear shaft movement. In addition, in terms of lubrication, the melt itself is used for lubrication, and the lubrication of the bearings is achieved through the lubrication channels on the pump casing and side cover. It should be noted that each bearing forms its own lubrication channel and is not interchangeable during assembly.

In addition, the shaft seal part of the high-temperature melt pump is also very important, its function is to prevent the melt from leaking outward. For pumps with negative pressure inlet, it can also prevent external air from entering the pump chamber. In terms of the form of shaft seals, anti spiral seals have been proven to be the most effective and can greatly extend the service life of shaft seals. In summary, the constituent elements of a high-temperature melt pump and the role of each part are of great significance, which can effectively improve the service life and performance of the pump.

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