As the core equipment in the production process, the stable operation of the crusher is crucial to the whole mining operation. Especially in the cold winter, lubricant solidification, lubrication parts hardening and wear, and equipment start-up difficulties and other problems occur frequently, bringing considerable trouble to mine production. The purpose of this article is to reveal the core maintenance strategy of mine crusher in low temperature environment, to ensure the stable and efficient operation of the equipment in the cold situation.

01 Lubricant selection and solidification challenges

Lubricant Selection

In the low-temperature environment, the user should choose low-temperature models of lubricants, its viscosity with the temperature change is small, which can have a good fluidity at low temperatures, and can effectively prevent solidification to ensure the equipment in the low-temperature environment to get effective lubrication protection, prolonging the service life of the equipment, improve the reliability and stabilit. Common low-temperature lubricants have winter models of oil, grease, etc., in the actual application, choose the appropriate low-temperature lubricant products according to the specific working conditions of the equipment, environmental temperature and other requirements.

Solidification Challenges

(1) Choose low-temperature type lubricant to ensure that it still has good fluidity and lubrication performance in low-temperature environment;
(2) In the process of equipment operation, keep the lubricant temperature in the appropriate range, to avoid the oil temperature too low leading to solidification through the oil temperature regulating device or preheating system;
(3) Regularly clean the oil and dust on the surface of the equipment and regularly check the lubrication system to prevent impurities and pollutants from entering the lubrication system, and ensure that the pipeline is unobstructed, so as to prevent the lubricating oil from solidifying in the pipeline and causing blockage;
(4) Regular replacement of lubricating oil can prevent the lubricant aging, contamination or mixed impurities, to maintain its good lubricating properties and fluidity.

02 Hardening of Lubricated Parts and Solving Wear Problems

Under the low temperature environment, the brittleness of materials increases, which easily leads to the hardening and wear of lubricated parts, such as: bearings, gears, axle tiles, etc. This not only affects the normal operation of the equipment, but also may lead to malfunction, and even lead to the production breakdown. Therefore, we must pay great attention to the maintenance of lubricated parts in low temperature environment.

The following solutions can be considered for the hardening and wear challenges of lubricated components:

1.Lubrication and cooling: Ensure the lubricated parts of the equipment are adequately lubricated during operation to reduce friction and wear. In addition, in the low-temperature environment, the appropriate adjustment of lubricant selection and supply to ensure lubrication effect is necessary.

2. Regular Maintenance and Replacement: Regular inspection, cleaning and maintenance of lubrication parts. Replace damaged or severely worn lubrication parts in a timely manner according to the usage and wear to ensure the normal operation of the equipment. At the same time, reserve enough spare parts in advance to ensure timely supply when lubrication parts need to be replaced. Meanwhile, adjust the position of the lubrication parts and the tightness of the fasteners in time to ensure that they are in good working condition.

3. Choose quality products and services: Choose qualified lubrication components products that can provide stable support for mining equipment under harsh conditions, ensuring production continuity and stability. Additionally, choose professional mining equipment maintenance and repair service team who can provide comprehensive technical support and guarantee.

03 Troubleshooting Equipment Startup Difficulties

In low-temperature environments, mining equipment often faces significant challenges during the start-up phase, stemming from several key factors: significant increases in lubricant viscosity and low motor temperatures lead to a hard start-up, making it difficult to get equipment up and running properly, which not only impacts productivity and equipment performance, but can also increase maintenance costs and safety risks.

Solutions:

☆ Choose lubricating oil for low temperature environment to ensure that the key parts of the equipment are well lubricated, and effectively reduce the friction resistance of the key parts of the equipment, so as to ensure that the equipment can be started and operated smoothly;
☆ In the low-temperature environment, the low temperature of the motor may lead to start-up failure, and the motor can be preheated in advance, which can make it reach the appropriate working temperature, thus ensuring that the equipment can be started smoothly.
☆ Install heating equipment or use thermal insulation measures to increase the temperature of the equipment and reduce start-up resistance. These measures help to reduce the viscosity of the lubricating oil and ensure that the motor operates at a suitable temperature.

Facing the challenge of low-temperature environment, mining equipment will always encounter many problems, but as long as we take professional solutions, we can easily solve these problems. Through professional and reasonable operation and maintenance, we can ensure that mining equipment can successfully deal with a variety of extreme conditions, and maintain stable and efficient operation, for the mine’s sustained and safe production to provide solid technical support and protection.