Silent oil-free air compressor adopts oil-free leather sleeve piston method for air compression. The current mainstream style on the market is: German leather bowl silent oil-free air compressor. The silent oil-free air compressor for laboratory is specially designed for laboratory precision instruments, which can provide pure gas source and stable pressure.
working principle
Silent: It belongs to a miniature piston compressor. When the motor single shaft drives the compressor crankshaft to rotate, the working volume formed by the inner wall of the cylinder, the cylinder head and the top surface of the piston will periodically change through the transmission of the connecting rod. Piston action process of piston compressor:
When moving from the cylinder head, the working volume in the cylinder gradually increases
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The gas follows the intake pipe, pushes the intake valve open and enters the cylinder, until the working volume becomes maximum, the intake valve closes
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When the piston of a piston compressor moves in reverse, the working volume in the cylinder decreases and the gas pressure increases
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When the pressure in the cylinder reaches and is slightly higher than the exhaust pressure, the exhaust valve opens and the gas exits the cylinder until the piston moves to the limit position, and the exhaust valve closes.
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When the piston of the piston compressor moves in the reverse direction again, the above process repeats itself. That is, the crankshaft of the piston compressor rotates once, the piston reciprocates once, and the intake, compression, and exhaust processes are successively realized in the cylinder, that is, a working cycle is completed. The single-shaft double-cylinder structure design makes the compressor gas flow double that of a single cylinder when the rated speed is fixed, and it is well controlled in vibration and noise control.
Features
1. The output air pressure is stable without fluctuations, minimizing noise pollution. It is suitable for use in analytical departments, laboratory facilities, laboratories, research institutes, environmental protection, health and epidemic prevention in universities.
2. No oil
Air-air compressor solves the phenomenon of oil output gas, because it does not need to add lubricating oil. And there is a water discharge port, so that the moisture accumulated in the gas storage tank can be discharged in time.
3. Steady flow
The air compressor uses the latest pressure-reducing device, and the output air is constant current and voltage stabilizing, which makes the laboratory instruments such as atomic absorption reproducible during testing.
4. Long service life
The air pre-heating device is added to the air compressor. The machine is equipped with an external protector. The inside of the tank has been internally sprayed. Not only is the air compressor used reasonably, but it is also versatile and has a long service life.
5. Easy operation
It saves the trouble of oil machine and screw air compressor frequently checking the addition of lubricating oil, the regular maintenance time is long, and the daily operation can be normal after power is supplied. Easy to operate, no need to be on duty
Industry requirements standards
Most of the experimental equipment are high-precision instruments, which have the characteristics of continuous and stable work, simple operation, safe use, environmental protection and energy saving. At the same time, in order to create a good working environment for laboratory workers, the requirements for noise control are very high; therefore, special Compared with general industrial air compressors, the air compressors that provide air sources for experimental equipment are quite different.
Technicians have been engaged in the theoretical research of laboratory air compressors for many years, and now provide some suggestions on how to choose a laboratory air compressor for your reference.
1. Parameter matching
Working air pressure control: that is, what is the air pressure required for working? At present, most air pressure of laboratory air compressors is adjustable from 0-8 BAR (about 0-8 kg), which meets the air pressure requirements of most experimental equipment.
Stable and continuous exhaust volume (usually expressed as L / MIN): refers to how many liters of gas flow per minute under the rated working pressure, and to ensure continuous and stable gas flow, so the stability of the air compressor is very high. There are many brands on the market at present, the quality is not the same, the choice should consider the products of well-known manufacturers with mature technology, such as the JINBAO laboratory special air compressor distributed by Huitong.
2. Compressed air quality
The oil-free air compressor is the first choice: the oil-free air compressor machine itself does not contain oily substances, and it does not need to add any lubricating oil during work. Therefore, the quality of the exhaust air is greatly improved, and the safety of the equipment required by the user is also guaranteed. Unlike oil compressors, because the exhaust gas contains a large amount of oil molecules, it will cause different degrees of corrosion to the equipment provided by the user. Therefore, it is necessary to select an oil-free silent air compressor to ensure the air quality. After configuring the air filter device, the air quality should reach the following international standard values:
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