The scorching summer heat is coming, the temperature in many parts of the country has reached more than 30℃.As we all know, in midsummer, the outdoor temperature in many cities is as high as 40℃ or more. The continuous high temperature working environment will bring many difficulties to the use of crushers and other mining machinery and equipment, and the rainy and humid phenomenon often occurs in summer, which will also affect the service life of crushing and screening equipment.So, how should sand aggregate production enterprises take measures to reduce the impact of high temperature on equipment, so as to ensure the normal production of equipment?

In this regard, Longjian Group senior Xiaobian with you to discuss the high temperature environment on mining machinery equipment what specific impact, and how to take the right maintenance measures --

First, the influence of high temperature environment on mining machine

1. In high temperature environment, the temperature of crusher and other mining machine equipment will rise, which is easy to produce unpredictable abnormal conditions, such as sudden shutdown, spindle sudden fracture and other faults.

2. Because of the principle of thermal expansion and cold contraction, temperature will make the parts of the crusher expand, resulting in more friction and deviation at the occlusive part of each part, which will not only affect the production schedule, but also make the temperature rise further.

3. The high temperature environment will cause the temperature of the lubricating oil in the crusher to rise, the oil property and viscosity to decrease, the local oil film to destroy, the lubrication effect between the parts and the bearing capacity to decrease, and even worse, the carbonization of the lubricating oil will cause the burning of the shoe.

4. Hydraulic system in high temperature environment will often appear pipe burst, joint oil leakage, solenoid valve coil burned, hydraulic valve stuck, noise and other faults.In systems using accumulators, accumulators may be damaged due to high hydraulic oil temperatures.

5 high temperature environment, will make the aging circuit due to thermal expansion and contraction is more likely to lead to skin cracking, resulting in short circuit fault.Electrical components in the control cabinet are also prone to failure in the high temperature season, and key control components such as industrial computer and PLC may also crash, slow running speed, control failure and other faults.

6. Working for a long time at high temperature will cause the performance of the lubrication system of the equipment to deteriorate, the oil is easy to deteriorate, and the chassis and other transmission systems are easy to wear. At the same time, it will affect the exterior paint layer, the braking system, the clutch, the throttle control system and the metal structure.Also shown in: easy to produce gas resistance, resulting in unable to supply oil.High temperature will make the engine intake system performance decline, sealing decline, engine oil leakage and increase fuel consumption.

II. In high temperature weather, the following measures shall be taken to ensure normal production:

1. Carefully carry out daily maintenance of crusher equipment.

Regularly check the equipment, change the butter, adjust the belt, check the core parts and wear-resistant parts, the operator should often check the value of various temperature tables in the work, find problems immediately shut down for inspection, find fault immediately eliminate.For a time can not find the reason, must not be dealt with and still make the crusher work with disease.

2. Clean up the oil and dust of the motor body in time to ensure good heat dissipation of the engine.

Although some equipment is now equipped with dust prevention systems, reducing the probability of shutdown caused by dust, but in summer due to high temperature, dry air, dust problems will become more serious.For example, it is necessary to regularly check the fixing bolts of the dust seal slip ring of the cone to prevent the dust seal and slip ring from falling off, so that a large amount of dust and ore enter the body, causing the crusher to be scrapped or significant economic losses.

3. Replenish fuel in time.Replace the appropriate oil viscosity level for the equipment. Generally, the oil viscosity level is higher in summer than at other times.Motor oil and lubricants need to be replaced with summer oil, the amount of oil is appropriate, often check whether there is oil leakage, fuel should be supplemented in time.

4. Check cooling and fuel systems.Check whether the cooling system and fuel system are smooth, and replace the aging wires, plugs, tubing, screws, and tighten the fuel pipeline to prevent fuel leakage.

5. Check the bearing oil temperature.During the operation of the crusher, attention should be paid to the temperature of the crusher bearing at all times. Under normal working conditions, the temperature rise of the bearing should be within the range of 35 degrees, not more than 70 degrees.Keep the bearing in good lubrication state, and pay attention to the abnormal sound and vibration.

6. Avoid sun exposure.Regardless of whether the equipment is in shutdown or working state, try to place the equipment in a cool place, such as setting up temporary sunshade and sunscreen net for the equipment, to avoid prolonged exposure to the sun, which will lead to equipment aging and affect the quality and efficiency of work.

7. Pay attention to ventilation.The environment of indoor equipment should be set in a place with good ventilation. At the same time, attention should be paid to regulating the indoor temperature and the ventilation and permeability of the surrounding environment. The temperature should not exceed 40 degrees, so as to provide a good working environment for the crusher.

Finally, Longjian Group reminds you warmly that in the hot and high temperature environment, please do a good job in the maintenance and repair of crusher and other equipment, and eliminate the trouble in the bud.