Single Stage Centrifugal Compressor

With the improvement of the quality of current oil-free air compressors, the quality of single-stage centrifugal compressors has been fundamentally improved, and it can fully meet the needs of modern industrial production. Its advantages in the use of completely oil-free air compressors be reflected.

1. Due to the high viscosity of lubricating oil, current oil removal equipment cannot completely remove it, so the oil-free nature of the compressed gas of an oil-free air compressor is irreplaceable.

2. At present, water removal equipment such as refrigerated dryers, heatless regenerative dryers, and microthermal regenerative dryers lose their water removal function due to the compression of oil in the air; while the clean, oil-free body compressed by a completely oil-free compressor , fully protecting the water removal equipment and reducing the additional funds occupied by maintaining the water removal equipment.

3. Using a completely oil-free air compressor to provide compressed gas to the outside world will not reduce the motor load due to the pressure loss caused by the oil removal equipment, achieving energy saving effects.

The use of oil-filled air compressors wastes lubricating oil. For example, one air compressor consumes 5 kilograms of lubricating oil per month, which will cost an additional 60 kilograms of lubricating oil in one year. In addition, in order to remove the lubricating oil in the compressed gas, To reduce oil content, a high-efficiency oil filter must be used. Screw air compressors require multiple replacements of filter elements, which is also a huge expense. In the field of vehicle air conditioning, the refrigeration coefficient of scroll compressors has reached 100%, showing strong competitiveness. Nanjing centrifuge air compressor accessories

The general replacement time of a single-stage centrifugal compressor is 3000 to 4000 hours. If the environment is poor, its use time will be shortened. The replacement steps are as follows: The external model of the air compressor filter element is relatively simple. Stop the air compressor, close the air pressure outlet, open the drain valve, confirm that there is no pressure in the system, remove the old oil and gas separator and replace it with a new one. Just use the separator.

1. Stop the air compressor, close the air pressure outlet, open the drain valve, and confirm that there is no pressure in the system.

2. Disassemble the pipeline above the oil and gas barrel, and at the same time remove the pipeline from the outlet of the pressure maintenance valve to the cooler.

3. Remove the oil return pipe.

4. Remove the fixing bolts of the oil and gas barrel cover, and remove the upper cover of the oil and gas barrel.

5. Remove the oil and gas separator and replace it with a new oil and gas separator.

6. Install in the reverse order of disassembly. When installing the air compressor filter element, be sure to ensure that the oil return pipe is inserted into the bottom of the filter element. When replacing the oil and gas separator, pay attention to electrostatic discharge and connect the inner metal mesh to the outer shell of the oil drum.

Single-stage centrifugal compressor When you find that they are doing this, you may think that they are deliberately trying to make more money. After you get the explanation from the technician, you realize that these problems also need to be solved, silent and silent. oil air compressor, otherwise you will find that the air compressor is broken again during use. When we need to repair the air compressor, we must immediately stop using the air compressor with problems. When we find some problems that can be solved by ourselves, we can deal with these problems ourselves. If the air compressor still cannot work properly after solving the problem, we need to send the air compressor to a professional. After we have repaired the air compressor, we can use it normally. During use, we need to operate it strictly in accordance with the requirements, and we need to pay attention to the performance of the air compressor.

1. Air compressors used in the automotive industry occupy a small area and have complete functions.

2. It is required to spray paint quickly, work continuously, and the spray does not condense;

3. The application of air compressors in the automotive industry can ensure that the painted surface has a good appearance, is corrosion-resistant, and has a glossy feel;

4. The spray is required to be fully effective and must not be discharged into the air.

Four major effects of applying air compressors in the automotive industry. The application of air compressors in the automotive industry has the following advantages: 1. Higher cost performance. At the same power, compared with piston compressors, integrated screw air compressors are more effective in air compressors used in the automotive industry. The exhaust volume is higher and the pressure is more stable.

Low noise and small vibration under the same exhaust volume and exhaust pressure conditions.

The main features of the small air volume machine are: belt/pulley, gear/gearbox speed transmission. The constant exhaust volume calculation method is used to measure the exhaust volume of low-pressure energy-saving air compressors (assuming that the adiabatic efficiency and volumetric efficiency remain unchanged during this process). The so-called equal low-pressure energy-saving air compressor exhaust volume calculation method refers to the exhaust volume of low-pressure energy-saving air compressors. Under constant conditions, as the exhaust pressure increases or decreases, the motor power increases or decreases (that is, the total required torque increases or decreases). This calculation method is often encountered in our sales process. The equal power calculation method is used to measure the exhaust volume of a low-pressure energy-saving air compressor (assuming that the adiabatic efficiency and volumetric efficiency remain unchanged during this process). The so-called equal power calculation of the exhaust volume of a low-pressure energy-saving air compressor refers to the constant power of the motor (that is, the required (the total torque remains unchanged), as the exhaust pressure increases or decreases, the rotational speed of the male rotor decreases or increases, that is, the exhaust volume decreases or increases (the rotational speed of the male rotor is proportional to the exhaust volume). This kind of calculation method is often encountered in our engineering technology development process. For those that only reduce the exhaust pressure without corresponding increase in the rotation speed of the male rotor, although the exhaust volume will be a little larger than the original model, it is only due to the increase in volumetric efficiency caused by the decrease in exhaust pressure; if the exhaust The air pressure is much lower than that of the original model, and if the rotation speed of the male rotor is not increased accordingly, the phenomenon we often call "a big horse and a small cart" will occur, which will invisibly cause some unnecessary power loss to the user. For air compressors, choose Saucon Compressor. If you have any needs, please call us!

The basic criteria for selecting an air compressor are economy, reliability and safety. First, the exhaust pressure and exhaust volume should be considered. The exhaust pressure of general-purpose pneumatic compressors is, the old standard is. The second is to consider the gas usage occasions and conditions. If the gas usage site is small (marine, vehicle), you should choose a vertical type; if the gas usage site changes over a long distance (more than 500 meters), you should consider a mobile type; if the usage site cannot provide power, you should choose a diesel engine-driven type. ; If there is no running water in the use site, you must choose the air-cooled type. The third is to consider the quality of compressed air. Generally, the compressed air generated by an air compressor contains a certain amount of lubricating oil and a certain amount of water. In some cases, oil and water are prohibited. At this time, not only should you pay attention to the selection of the compressor, but also add additional accessories if necessary.

Air compressor purchasing guide 1. Determination of pressure: 1. The higher the pressure, the greater the power consumption. The pressure drop caused by the diameter and length of the piping must be considered, plus the operating pressure, which is the lower limit. 2. List the operating pressures of various models. If the operating pressures are too different, you must purchase air compressors with different pressures or use a booster. Do not lower the pressure and increase the electricity bill.

Selection of model: 1. Calculate the total actual air volume and add the margin. 2. The actual exhaust volume listed in our company's catalog, 3. Pay attention to the energy consumption ratio to save power. 3. Venue: 1. It must be a spacious and well-lit place to facilitate operation and maintenance. 2. In a place with low temperature, less dust, clean air and good ventilation, the room temperature should be below 40C. The compressor and motor are fastened to the machine base with bolts, and the machine base is fixed to the foundation with anchor bolts.

Single-stage centrifugal compressor piston oil-free lubrication air compressor consists of compressor main engine, cooling system, regulating system, lubrication system, safety valve, electric motor and control equipment.

The piston oil-free lubrication air compressor consists of the compressor main engine, cooling system, regulating system, lubrication system, safety valve, electric motor and control equipment. The compressor and motor are fastened to the machine base with bolts, and the machine base is fixed to the foundation with anchor bolts. During operation, the electric motor directly drives the crankshaft through the coupling, driving the connecting rod, crosshead and piston rod to make the piston reciprocate in the cylinder of the compressor to complete the suction, compression, discharge and other processes. This machine is a double-acting compressor, that is, air is sucked in, compressed, and discharged when the piston moves upward and downward. The piston rings in the cylinder of oil-free air compressors and the packing in the packing device use self-lubricating filled polytetrafluoroethylene as sealing elements. Therefore, the cylinder and packing device do not need to be lubricated with lubricating oil. Under normal circumstances, the compressed gas is basically pure and contains no oil, and there is no need to add an oil removal device. The disadvantages of this machine are that the motor power is too large, the exhaust pressure is not stable enough, the exhaust temperature is high, the noise is too loud, the maintenance workload is large, and the maintenance cost is high.

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