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What makes oil free compressor manufacturers of Guangdong Jinyuan Equipment Technology Co., Ltd worth considering is that it offers customers a lot of versatility. Customers are able to find it in different styles, sizes to meet the diverse needs. It has a unique design that makes it differentiate from competitors. In order to bring the good performances into full play, the product is processed by the advanced industry technology. All these contribute to its wide application and promising market potential.
The brand Jinyuan Air Compressor should always be highlighted in our development history. All its products are marketed well and sold worldwide. Our clients are very satisfied because they are widely applicable and are accepted by end users with almost no complaints. They are certified for global sale and are recognized for global influence. It is expected that they will occupy more market shares and will be in the lead.
At Jinyuan, we promise that we provide the most considerate shipping service. As one of the most reliable partners of our freight forwarder, we guarantee all products like our oil free compressor manufacturers will be delivered to you safely and completely.
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Air compressor as an indispensable mechanical equipment in all walks of life, its fundamental role is to improve the gas pressure and transport gas. However, do you know how to choose a suitable for your air compressor, and then by the Jinyuan for you one by one answer.
The first is to consider the exhaust pressure and exhaust volume. The exhaust pressure of the general-purpose aerodynamic compressor is 0.7MPa, and the old standard is 0.8MPa. If the customer has a specific exhaust pressure requirement, special customization is required. Exhaust is one of the main parameters of air compressor, choose the air volume of air compressor to match the required exhaust volume, and leave 10% margin. Of course, we can not blindly pursue large exhaust, because the larger the exhaust, the larger the motor with the compressor, not only the price is high, and a waste of purchase funds, use will also waste power energy. Jinyuan air compressor can ensure gas consumption, reduce energy consumption and reduce the use cost of customers.
Second, it is necessary to consider the use of gas occasions and conditions. If the long distance changes (over 500 m), the mobile type should be considered; if there is no tap water in the use, the air cooling must be selected; if the gas space is small and too many reprocessing devices cannot be installed, an integrated air compressor can be selected. Jinyuan integrated air compressor, integrated air compressor, cold dryer, gas storage tank, precision filter as one, plug and play, no complex installation process.
Third, the quality of compressed air should be considered. Generally, the compressed air produced by the air compressor contains lubricating oil, and contains a certain amount of water. Some occasions are prohibited oil and water, such as medical, food industry, at this time not only the compressor selection should pay attention to, to increase auxiliary devices when necessary. The common method is to add an air compressor to a primary or secondary purification device or a dryer, or, you can choose to use an oil-free air compressor.Jinyuan water-injected screw air compressor, only using water as a lubrication medium, the production of compressed air to ensure completely oil free.
Last but no least is to consider the safety of the compressor operation. Air compressor is a kind of machine working with pressure, working with temperature rise and pressure, the safety of its operation should be put in the first place. Jinyuan air compressor is equipped with modern machine production line, the products have obtained a number of national patents, through the national GCCA product quality and safety certification, GC energy saving product certification, ISO9001 certification, high-tech product certification and other qualification certificates. With its professional technical strength, stable and reliable product quality and a full range of service support, Jinyuan has become a leading brand in the aerodynamic equipment industry.
1. The reason and preventive measures of oil injection (commonly known as oil vomiting) of the screw air compressor host.
Cause analysis:
The oil injection of the screw air compressor refers to the oil injection of the air inlet of the air compressor. Generally occurs in the sudden shutdown, such as the air compressor motor power loss or manual emergency shutdown, at this time the air compressor suddenly shutdown and did not open the discharge valve in time to discharge the air compressor oil and gas barrel residual gas, if the intake check valve is too late to close, the air compressor inlet is injected with lubricating oil.
Troubleshooting / preventive measures:
First, check that the broken oil solenoid valve has no fault. If it is normal, it should further check whether the check valve on the main exhaust pipe can be closed in time or closed completely. If any, any fault should be removed. At present, the double screw air compressor is generally no longer installed broken oil solenoid valve, so the main reason for oil injection is that the check valve is not closed.
Once the power is off, the solenoid valve action, the intake valve closed, initial isolation, but there are generally air holes or gaps on the intake valve, can not be completely isolated from the outside, for the butterfly intake valve, the heavy hammer check valve feel the pressure change, emergency closure, this is the most effective and the last measure to prevent oil spitting. At present, the double screw air compressor generally does not install broken oil valve, after shutdown through the check valve partition, pressure to the oil of the oil in the machine internal pressure into zero, gravity back to oil and gas barrel, the heavy hammer check valve is the most effective way to prevent oil, but now some small models usually use piston type intake valve (or lift valve), with spring control piston to play the dual role of intake regulation and check, over time, piston wear is inevitable, shutdown spit oil will happen, is normal shutdown stop oil phenomenon.
2. Reasons and treatment methods for not loading the screw air compressor.
Fault phenomenon:
The air compressor start the air valve can not open.
The possible causes include:
(1) Pressure switch failure;
(2) Solenoid valve failure;
(3) Poor injection valve lag action;
(4) The discharge solenoid valve failure;
(5) Poor operation of the pressure maintenance valve;
(6) Control the gas source pipeline leakage.
Troubleshooting:
Check, repair or replace for the above possible causes.
3. The reasons and treatment methods for not unloading the screw air compressor.
Fault phenomenon:
The air compressor continues to operate after exceeding the set pressure and cannot be unloaded Vehicle, or continue to rise to the safety valve action.
The possible causes include:
(1) The pressure switch is not set properly or the drift occurs after setting (the controller fault);
(2) The inlet valve is not poor, and it causes failure or incomplete movement;
(3) When the system stops using gas, if the discharge solenoid valve fails, the pressure will rise slowly;
(4) Failure of the control loop.
Troubleshooting:
Check, clean, repair and replace if necessary.
4. Reasons and treatment methods of frequent addition and unloading of screw air compressor.(Power frequency machine)
The possible causes include:
(1) The pressure difference between the upper and lower limits of the pressure setting is too small;
(2) There is more leakage in the gas pipeline or equipment;
(3) The pressure maintenance valve seal is not strict, the spring fatigue;
(4) The upper pressure limit is set too low;
(5) The pipe filter on the exhaust pipe of the air compressor is seriously blocked;
(6) Check valve is installed on the outlet pipe of the screw air compressor.
Troubleshooting:
Reset the pressure difference between the upper and lower pressure above 0.2MPa, consider increasing the capacity of the gas storage tank, eliminate leakage, adjust or repair the pressure to maintain the valve spring force. The pressure maintenance valve of the screw air compressor is equivalent to the check valve. If there is a check valve on the outlet pipeline, the pressure detected by the pressure sensor of the air compressor is actually a small pressure of the pipeline. If the pressure maintenance valve of the air compressor leaks slightly to the oil and gas barrel, the pressure detected by the pressure sensor will drop, causing the reloading of the air compressor.
5. Reasons and treatment methods for screw air compressor for a long time.
The possible reason is the fault of the time relay. The screw compressor is generally set for 15~20min after the empty motor motor stops running. If the motor is not stopped, the time relay and control circuit should be checked and replaced if necessary.
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