The lubrication characteristics of papermaking machinery
Date:2018-03-03 Author: Click:
Papermaking machinery working environment is humid and hot, some equipment accompanied by impact load, and so on the choice of lubricant mainly consider the emulsification resistance, water resistance, thermal oxidation stability and load resistance. The lubrication points on paper machinery are closed in principle. All bearings in the wet section of the papermaking machine, the flow pulp box to the pressing part, are sealed with a sealed bearing shell for the cross-contamination of water and grease. The dry section of the paper machine USES the center lubrication station to lubricate and dissipate the heat of the bearings at the high temperature of the operation. Wet the grease lubrication points with regular artificial patrol inspection note, in the way of the grease, so the lubricating system often refers to the center of the dry period of lubrication station and all lose, oil pipeline and oil injection device.
Paper machine of dry lubrication station is usually in the standard in use in the general model, best can in oil filter ability the better than the strong and the oil temperature control ability, such as a magnetic filter and temperature control is more appropriate. The amount of oil in the lubrication station shall normally be calculated according to the cooling needs of each lubrication point.
The oil supply of each sealed bearing shell in the dry section of the paper machine adopts the adjustable lubricator, which is also called the drip valve, which keeps the oil supplied to the bearing in a moderate amount. This type of lubricator is very reliable for the system with manual adjustment of oil volume.
The main bearing of the wet section is automatically forced lubrication by the central lubrication station on the new high speed wide paper machine. In this system, the wet and dry parts of the paper machine are provided with central lubrication stations, but the control system is controlled by the automatic control system. Its all lubricating points injection quantity control by borrow micro motor driving small metering pump, automatic control system by computer or other software control method for flow meter and pressure gauge to monitor the oil filling pipe road and implement regulation for measuring filling pump motor.
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