A company's rotary kiln size gear lubrication case analysis

A company's rotary kiln size gear lubrication modification 2019 - case analysis 10 - The stable operation of 23 Chen Xiujun Shen Guochao equipment, lubrication is the foundation. As is known to all, equipment lubrication is an effective way to reduce the mechanical friction and equipment wear and tear, is to improve the stable operation of equipment, prolonging the service life of the equipment. Therefore, advanced equipment lubrication technology and means are significantly more important. Now in a company's rotary kiln size gear lubrication system as an example to explain. Current situation and problems of 1 a company 5000 t/d NSP cement production line, including & phi; 5× 68 m size gear lubrication system of rotary kiln in the original design is still the most primitive with oil lubrication, design simple structure relatively backward. According to the equipment needs the open 320 gear lubricating oil lubricating oil. Since its launch in September 2008, in the process of running are often due to the low temperature, poor liquidity, the viscosity of lubricating oil, lead to take tankers are often damaged. Alone pinion drive the oil pool of lubricating oil to complete lubrication, long-term in the past, the size of gear under boundary lubrication, lubrication effect is poorer, long-term poor lubrication of large and small gear meshing surface caused by excessive early wear. In addition, the use of open gear oil because the viscosity is not easy to clean, dust and other pollutants to enter and to accumulate, to speed up the wear and tear of the gear. Gear in the use of less than 2 years working face wear reached nearly 1/2, the scene in the process of running for several times with the tanker damage and lubricating oil impurities have led to the shutdown overhaul, the resulting parking accident up to 5 times a year, severely restricts the production of stable operation. 2 ways and measures to completely solve the above problem, avoid gear cause poor lubrication of gear wear serious, reducing the original structure of lubrication with oil tanker parking frequent damage and affect the normal production, fully improve the efficiency of lubrication, realizing scene and insulating joint supervision and control, make the system to realize automation control. In November 2010, the company in the form of the original lubricating system reform was carried out on the basis of innovation, completely solve the existing problems and lubrication. On the basis of the original large roller lubrication way of new oil lubrication, adopt the oil mist lubrication mode, controlled by PLC system on the spraying system for precision, grease by high-pressure pump spray, spray to the gear pair meshing surface, so as to realize timing, quantitative lubrication and alarm function. The scheme in detail arrangement diagram are shown in figure 1 below: transform has the following advantages: 1. Can be frequent, short gap lubrication ( Nearly continuous lubrication effect) , because can spray atomization, so can a small amount and accurate quantitative. 2. At right Angle to the pinion injection of fresh lubricant, and can completely cover the gear face real ( Mating surface) 。 3. PLC on the spraying system for precision control, and can realize the supervision and control, together with the central have comprehensive alarm function. 4. Can be compatible with high viscosity oil lubricant. 5. All the oil heating control according to actual needs, ensure the spraying system can still work normally in low temperature environment. 3 effect and conclusion after the transformation, the company has not been caused by poor lubrication of stop production accidents, and after many inspection found that the size of the gear face after the modification of a year, almost no wear and tear, reduce the workload of inspection, maintenance and prolong the service life of equipment, saved money. At the same time, because of quantitative precision injection of lubricating oil, effectively reduce the waste oil. Visible, in the original big cone lubrication method on the basis of the new oil lubrication, adopt the oil mist lubrication mode, controlled by PLC system on the spraying system for precision retrofit scheme is simple and feasible, is worth promoting.