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Guide to Buy Oil Free High Pressure Air Compressor in Jinyuan
For Guangdong Jinyuan Equipment Technology Co., Ltd, the production of oil free high pressure air compressor is not always an easy process. To make hard thing easy, we have invested in high precision equipment, designed and built our own building, introduced production lines and embraced the principles of efficient production. We have established a team of quality people who devote themselves to getting the product done right, every time.
Jinyuan Air Compressor products have made great achievements since its launch. It becomes the best seller for several years, which consolidates our brand name in the market gradually. Customers prefer to have a try of our products for its long-term service life and stable performance. In this way, the products experience a high volume of repeat customer business and receive positive comments. They become more influential with higher brand awareness.
As the company develops, our sales network has also been gradually expanding. We have owned more and better logistics partners who can help us provide the most credible shipping service. Therefore, at Jinyuan, customers don't need to worry about the reliability of the cargo during transportation.
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Project Overview:
Because of the area of the Affiliated Stomatological Hospital of Sun Yat-sen University was expanded, so they increased medical equipment and air compressor equipment. Air compressor is generally to provide power for pneumatic auxiliary equipment such as dental chairs. The hospital requirements for air compressor are: the exhaust capacity is 0.4m³ / min, and the exhaust pressure is 0.8MPa. Because the work of medical gas equipment is not uniform, so the fluctuation range of gas equipment will be relatively large.
Project time: January, 2023
Machines used in the project: Two oil-free vortex frequency conversion air compressor, model number is JW-04AYC
Supporting of processing equipment: One gas storage tank, One cold dryer
Services provided by Jinyuan: Air compressor and supporting equipment installation, gas supply pipeline installation
Project Challenge:
1. The gas consumption demand is not large, and the need for energy saving 2. The voice is relatively quiet in the hospital
3. The fluctuation range of gas is large
4. The air will directly contact the mouth, the compressed air must oil-free.
Solution:
The hospital demand for air displacement is small, which usually use the piston machine, but the noise of piston machine is loud. Compare with piston machine ,the screw air compressor is quieter. The common screw air compressor generally has large power, large exhaust capacity, easy to cause gas waste, insufficient environmental protection and energy saving. Therefore, it is recommended to use the oil-free vortex frequency conversion air compressor. The following are the characteristics of this air compressor:
1. The vortex air compressor has less exhaust capacity and 0.4m³ / min to meet customer needs.
2. The sound of the vortex air compressor is small and only 57dB (A) after tested.
3. Permanent magnet frequency conversion can adjust the exhaust volume of the air compressor, which provide gas according to the pressure demand, to achieve energy saving effect.
4. Vortex air compressor is dry rotating compressed air, no lubricating oil involved in the compression process, so can provide clean compressed air.
Because of the area of the Affiliated Stomatological Hospital of Sun Yat-sen University was expanded, so they increased medical equipment and air compressor equipment. Air compressor is generally to provide power for pneumatic auxiliary equipment such as dental chairs. The hospital requirements for air compressor are: the exhaust capacity is 0.4m³ / min, and the exhaust pressure is 0.8MPa. Because the work of medical gas equipment is not uniform, so the fluctuation range of gas equipment will be relatively large.
Project time: January, 2023
Machines used in the project: Two oil-free vortex frequency conversion air compressor, model number is JW-04AYC
Supporting of processing equipment: One gas storage tank, One cold dryer
Services provided by Jinyuan: Air compressor and supporting equipment installation, gas supply pipeline installation
Project Challenge:
1. The gas consumption demand is not large, and the need for energy saving 2. The voice is relatively quiet in the hospital
3. The fluctuation range of gas is large
4. The air will directly contact the mouth, the compressed air must oil-free.
Solution:
The hospital demand for air displacement is small, which usually use the piston machine, but the noise of piston machine is loud. Compare with piston machine ,the screw air compressor is quieter. The common screw air compressor generally has large power, large exhaust capacity, easy to cause gas waste, insufficient environmental protection and energy saving. Therefore, it is recommended to use the oil-free vortex frequency conversion air compressor. The following are the characteristics of this air compressor:
1. The vortex air compressor has less exhaust capacity and 0.4m³ / min to meet customer needs.
2. The sound of the vortex air compressor is small and only 57dB (A) after tested.
3. Permanent magnet frequency conversion can adjust the exhaust volume of the air compressor, which provide gas according to the pressure demand, to achieve energy saving effect.
4. Vortex air compressor is dry rotating compressed air, no lubricating oil involved in the compression process, so can provide clean compressed air.
6. Reasons for low exhaust pressure or reduced exhaust volume of screw air compressor and treatment methods.
The possible causes include:
(1) Air filter blockage, resulting in reduced air intake;
(2) The inlet valve is poorly operated and is not fully opened;
(3) The oil and gas separator is blocked, resulting in too large internal resistance;
(4) The discharge solenoid valve fails to produce internal leakage;
(5) The pressure setting is too low or the pressure sensor fails, and the pressure sensor sampling pipe is damaged, leaked or has liquid water;
(6) The aging and leakage of the user pipe network and gas consumption equipment, resulting in large gas consumption;
(7) New gas point, the actual gas consumption is greater than that of the air compressor;
(8) The aging host of the air compressor is seriously worn, resulting in reduced exhaust volume.
Troubleshooting:
Check the above possible causes. In the face of sudden failure, after asking whether to add new air points and whether to change the air compressor setting, focus to check the air valve and pressure sensor. Some of the once enough but now not enough are mostly caused by gas leakage, gas equipment aging, and the decreased performance of the air compressor itself.
7. Reasons and treatment methods of high exhaust pressure of screw air compressor.
The possible causes include:
(1) Pressure setting is too high;
(2) Poor contact or damage of the pressure sensor;
(3) The inlet valve fails, resulting in no unloading after exceeding the set shutdown pressure.
Troubleshooting:
First of all, check whether the setting pressure is high, and then judge whether the pressure sensor is working normally, repair or replace the pressure sensor, eliminate the fault caused by the intake valve lag, if necessary, should be replaced.
8. Reasons and treatment method of high temperature jump machine of screw air compressor.
High temperature machine is a common fault of screw air compressor, especially in summer. The possible causes include:
(1) Insufficient amount of lubricating oil, incorrect lubricating oil specification;
(2) Insufficient cooling water quantity, high cooling water temperature;
(3) the oil solenoid valve is not electric or the coil is damaged, the oil solenoid valve diaphragm rupture or aging;
(4) The ambient temperature exceeds the prescribed range;
(5) Oil cooler is blocked;
(6) There is a cooling fan motor fault and the cooling fan damage for the air-cooled air compressor. The exhaust pipe is not smooth or the exhaust resistance (back pressure) and other reasons;
(7) Thermal control valve (temperature control valve) fault;
(8) The oil filter is blocked, resulting in a smaller oil flow rate;
(9) Temperature sensor fault.
Troubleshooting:
(1) Check the amount of lubricating oil, if it is lower than "L", you should supplement the lubricating oil;
(2) Check the temperature difference between the inlet and outlet water, and check the inlet water temperature;
(3) If the temperature control valve is judged to damage, repair and replace;
(4) The air compressor room should not be higher than 45℃; if the requirements are not met, increase the exhaust air and reduce the room temperature;
(5) Check the temperature difference between the inlet and outlet of the cooler, the normal temperature difference is 5~8℃, if more than 9℃, the oil cooler pipeline may be blocked, if less than 5℃, may be the oil cooler pipe wall scale, can be cleaned by cleaning agent;
(6) Repair and replace the cooling fan, the exhaust pipe is not smooth or the exhaust resistance is clean with high pressure air;
(7) Check whether the oil is cooled by the oil cooler, if not, continue to check whether the action of the thermal control valve (temperature control valve) is normal, the most common fault of the temperature control valve is stuck due to carbon deposition, the maintenance method only needs to remove the valve core and use the carbon deposition cleaning agent after cleaning;
(8) Replace the oil filter;
(9) Repair or replace the temperature sensor.
9. Reasons and treatment method of overload machine (current overload) of screw air compressor.
The possible causes include:
(1) Abnormal power supply voltage, such as too low voltage;
(2) The unit exhaust pressure exceeds the rated pressure, and the motor is overloaded;
(3) Bad wiring, loose wiring, and contactor failure;
(4) The compressor body fault, such as the rotor carbon deposition, friction, entering the foreign body, etc.;
(5) Oil and gas separator is blocked, resulting in large internal resistance.
Troubleshooting:
(1) Eliminate the situation of unstable voltage and low voltage;
(2) Eliminate the situation of high exhaust pressure, and refer to the troubleshooting method of high exhaust pressure mentioned before;
(3) Tighten the power supply wiring, in many cases, the contact contact dirt, ablation is the main cause of overload jump mechanical and electrical gas failure;
(4) The compressor host rotation resistance, which usually requires overhaul of the host; (5) Replace the oil and gas separator.
The possible causes include:
(1) Air filter blockage, resulting in reduced air intake;
(2) The inlet valve is poorly operated and is not fully opened;
(3) The oil and gas separator is blocked, resulting in too large internal resistance;
(4) The discharge solenoid valve fails to produce internal leakage;
(5) The pressure setting is too low or the pressure sensor fails, and the pressure sensor sampling pipe is damaged, leaked or has liquid water;
(6) The aging and leakage of the user pipe network and gas consumption equipment, resulting in large gas consumption;
(7) New gas point, the actual gas consumption is greater than that of the air compressor;
(8) The aging host of the air compressor is seriously worn, resulting in reduced exhaust volume.
Troubleshooting:
Check the above possible causes. In the face of sudden failure, after asking whether to add new air points and whether to change the air compressor setting, focus to check the air valve and pressure sensor. Some of the once enough but now not enough are mostly caused by gas leakage, gas equipment aging, and the decreased performance of the air compressor itself.
7. Reasons and treatment methods of high exhaust pressure of screw air compressor.
The possible causes include:
(1) Pressure setting is too high;
(2) Poor contact or damage of the pressure sensor;
(3) The inlet valve fails, resulting in no unloading after exceeding the set shutdown pressure.
Troubleshooting:
First of all, check whether the setting pressure is high, and then judge whether the pressure sensor is working normally, repair or replace the pressure sensor, eliminate the fault caused by the intake valve lag, if necessary, should be replaced.
8. Reasons and treatment method of high temperature jump machine of screw air compressor.
High temperature machine is a common fault of screw air compressor, especially in summer. The possible causes include:
(1) Insufficient amount of lubricating oil, incorrect lubricating oil specification;
(2) Insufficient cooling water quantity, high cooling water temperature;
(3) the oil solenoid valve is not electric or the coil is damaged, the oil solenoid valve diaphragm rupture or aging;
(4) The ambient temperature exceeds the prescribed range;
(5) Oil cooler is blocked;
(6) There is a cooling fan motor fault and the cooling fan damage for the air-cooled air compressor. The exhaust pipe is not smooth or the exhaust resistance (back pressure) and other reasons;
(7) Thermal control valve (temperature control valve) fault;
(8) The oil filter is blocked, resulting in a smaller oil flow rate;
(9) Temperature sensor fault.
Troubleshooting:
(1) Check the amount of lubricating oil, if it is lower than "L", you should supplement the lubricating oil;
(2) Check the temperature difference between the inlet and outlet water, and check the inlet water temperature;
(3) If the temperature control valve is judged to damage, repair and replace;
(4) The air compressor room should not be higher than 45℃; if the requirements are not met, increase the exhaust air and reduce the room temperature;
(5) Check the temperature difference between the inlet and outlet of the cooler, the normal temperature difference is 5~8℃, if more than 9℃, the oil cooler pipeline may be blocked, if less than 5℃, may be the oil cooler pipe wall scale, can be cleaned by cleaning agent;
(6) Repair and replace the cooling fan, the exhaust pipe is not smooth or the exhaust resistance is clean with high pressure air;
(7) Check whether the oil is cooled by the oil cooler, if not, continue to check whether the action of the thermal control valve (temperature control valve) is normal, the most common fault of the temperature control valve is stuck due to carbon deposition, the maintenance method only needs to remove the valve core and use the carbon deposition cleaning agent after cleaning;
(8) Replace the oil filter;
(9) Repair or replace the temperature sensor.
9. Reasons and treatment method of overload machine (current overload) of screw air compressor.
The possible causes include:
(1) Abnormal power supply voltage, such as too low voltage;
(2) The unit exhaust pressure exceeds the rated pressure, and the motor is overloaded;
(3) Bad wiring, loose wiring, and contactor failure;
(4) The compressor body fault, such as the rotor carbon deposition, friction, entering the foreign body, etc.;
(5) Oil and gas separator is blocked, resulting in large internal resistance.
Troubleshooting:
(1) Eliminate the situation of unstable voltage and low voltage;
(2) Eliminate the situation of high exhaust pressure, and refer to the troubleshooting method of high exhaust pressure mentioned before;
(3) Tighten the power supply wiring, in many cases, the contact contact dirt, ablation is the main cause of overload jump mechanical and electrical gas failure;
(4) The compressor host rotation resistance, which usually requires overhaul of the host; (5) Replace the oil and gas separator.
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