In some respects, air compressors have certain similarities with people. For example, when the seasons change, if people do not pay attention to the changes in the environment, they will easily get sick. Therefore, it is necessary to prevent influenza in spring, heatstroke in summer, and severe cold in winter; and when the seasons change, if the air compressor does not pay attention to protection, it is easy to fail. Therefore, it is moisture-proof and moisture-proof before the rainy season, high temperature before and after the three volts, and frost-proof in winter.
After the winter, the weather is getting colder and colder, and the temperature is getting lower and lower. Most of the northern regions should take certain cold-proof measures for air compressors. How to make the air compressor survive the cold winter stably and safely requires the user to master certain skills. This article briefly discusses the three aspects of environment, operation and maintenance.
Improve the computer room environment and working conditions
First of all, if conditions permit, it is recommended to put the air compressor indoors or build a temporary tent in winter as much as possible, which can not only prevent the temperature from being too low, but also improve the air quality of the air compressor inlet and maintain the temperature of the air compressor room. above zero.
Secondly, it is necessary to keep the environment clean and tidy, especially that there is no accumulation of water around the equipment and the floor of the station building to prevent ice and slippage, which may cause the operator to fall and be injured.
Improve the operation mode of the air compressor
Before the air compressor is not in use, we need to open the side cover to observe whether the oil is thickened or frozen. If so, the oil must be heated first. Even if the oil is not frozen, the oil viscosity of each lubricating part of the unit is relatively high when it is just turned on in winter, and the voltage of some outdoor work sites is relatively low, which is likely to cause relatively difficult startup when it is just turned on. The general method is to turn on the unit 2-3 times first, jog the air compressor 3-4 times, and then load the air compressor after running for a period of time. The current of the air compressor can be measured with a multimeter after it is working normally. The normal situation is within the range of 5% of the rated current of the motor. If it exceeds 10% of the normal current, there is a problem with the unit or the voltage is low. It should be stopped for inspection, otherwise the motor will be prone to heat and burn out, and additional electricity will be wasted. An important reason for the high current is that the oil starts to block.
After the shutdown in winter, you must pay attention to emptying all the gas, sewage, water, and emptying the water, gas and oil in various pipes and air bags. This is because when the unit is working in winter, the temperature is relatively high. After the shutdown, due to the low outside temperature, a large amount of condensed water will be generated after the air is cooled. There are various control pipes, intercoolers and air bags, which are easy to make the control pipes. , blockage of the intercooler, and hidden dangers such as air bag swelling and cracking.
At the same time, after the cold air enters the air compressor, a large amount of water vapor will be generated when it encounters high temperature, which will increase the burden of post-processing of the air compressor, so it is necessary to discharge the water in the post-processing equipment frequently.
Compressed air enters the production area through pipes and is used by users, and some of these pipes are buried underground, and some clear pipes are erected in the air. In cold weather, a part of the moisture may be generated due to the low temperature, and some may even have a certain impact on the normal use of the user due to the increase in moisture.
For example, in the laser cutting machine industry, if the compressed air contains high oil and water content, it will affect the accuracy of the cutting process. In the mining industry, humid air compressors compress air, which may not affect the normal use of pneumatic tools, but will affect the strength of pneumatic tools during operation.
Therefore, in the winter when the get off work or equipment is shut down, the drain valves such as pipes, gas storage tanks, and dryers should be fully opened, and the condensed water should be drained off before closing the valve.
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