Screw Compressor Application

1. Using the third-generation 5:6 tooth type screw main engine, high efficiency, low speed.

2. Avoid frequent loading and unloading of the system and energy loss when the gas consumption changes suddenly.

3. Eliminate wasteful power loss, use more to produce more, less use and less produce, stop when you don’t need it.

4. Adopt one-piece shaft direct connection structure, no need of bearing to eliminate bearing failure.

5. When the motor rotates at a low speed, it can still maintain a high motor efficiency.

6. Adjust the fan speed according to the exhaust temperature, saving about 50%.

Reasons why the air compressor cannot start normally

If your factory's screw compressor application also encounters a problem that it cannot start normally, don't worry. There are many reasons that cause the air compressor to not start normally. When encountering a fault, first check the source of the problem, diagnose and eliminate the fault, and solve the problem. If you don't understand, don't rush to repair it yourself to avoid unnecessary damage to the air compressor. You can find a professional after-sales engineer on the phone to guide the operation to solve the fault or come to your door to repair it. To sum up, the main reasons for the failure to start normally are as follows:

1. Check whether the fuse is blown out, causing the circuit to be blocked and unable to power on.

2. Motor failure. The insulation layer is aging or the temperature is too high and the insulation layer is melted, which makes the insulation effect insufficient and leakage occurs.

3. The motor is blocked or overcurrent. Lubricant is not enough, or there is a foreign object stuck in the machine head, which causes the current to be too high and cannot start.

4. PLC control failure. The program may appear wrong code, garbled code; or static electricity failure, make the component circuit malfunction.

5. The contactor or inverter is burnt. The internal components are in poor contact, work, electric shock and melting, and arcing occurs."

6. The sensor is faulty. The force sensor or temperature sensor may be in poor contact, the wiring is reversed or even damaged, which will cause it to fail to start. At this time, you should contact professional after-sales personnel for maintenance.

7. Check whether the power supply voltage is normal. The supply voltage of the screw air compressor is too low, and the power supply undervoltage will cause it to fail to start.

8. Check all wiring ports to see if there is any looseness or tightening.

The difference between oil and oil-free variable frequency screw compressor application

From the structural point of view, there is no difference between the bearings of an oil-free air compressor and an oil-free air compressor. But in terms of working principle, there are obvious differences between the two. No oil is involved in the operation of oil-free air compressors. Whether it is an oil-free piston engine or an oil-free screw compressor, they will generate a large amount of high temperature during operation. If there is oil from the air compressor Participation will take away the high temperature generated during the compression process of the screw compressor application, thereby cooling the machine.

?But oil-free air compressors do not have the participation of oil, and a large amount of high temperature is also generated during the compression process. How to solve the high temperature to ensure the normal operation of the machine? In fact, oil-free air compressors use a kind of Teflon or The special high-temperature resistant material of molybdenum disulfide replaces oil to solve the high temperature in the air compressor compression process, thus achieving the purpose of oil-free compression.

Compared with oil-free air compressors, oil-free air compressors are cleaner and environmentally friendly to a certain extent. Therefore, institutions such as hospitals, laboratories, schools, etc. are very suitable for the use of oil-free air compressors. These institutions are also more suitable for the use of oil-free air compressors.

Whether to use oil or oil-free depends on the use occasion and actual working conditions. In some occasions, such as food, medicine, precision instrument and other industries, it is necessary to use a completely oil-free air compressor. However, oil-free air compressors are much more expensive and more expensive to maintain.

If it is used for purging, mechanical processing, manufacturing, or power use, you can choose an air compressor with oil or light oil. Such as spraying, steel, electricity, hardware, mining, ceramics, textiles, machinery, etc. are widely used.

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