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Screw type air compressor air flow and related parts and components function
Author: www.dg-zhihe.com      Release Date:2012/11/5      View Count:5594
 

Screw type air compressor air flow and related parts and components function

( supply: Huaibei air compressor water heater, Huaibei air compressor waste heat recovery )

And the mechanical and electrical equipment company limited technical personnel for screw type air compressor system flow made concrete analysis, the first to introduce screw air compressor system in the process of air flow and related parts and components of the function.

One, the air flow:

The air by the air filter to dust, valve from the inlet into the main compression chamber is compressed, and mixed with a lubricant. After mixing the compressed air to the oil and gas barrel, the oil separators, a pressure maintaining valve and after cooler after into an application system.

Two, air flow in each component function:

The 1 air cleaner

Air filter for a dry paper filter, filter paper pore is about 5μM. Its main function is to filter the dust in the air, avoid premature wear of screw rotor, oil filter and oil separators prematurely clog. Usually every 500 hours, should remove remove surface dust. The method of removal is to use low pressure air blowing dust from the inside out.

A 2 inlet valve

Air inlet valve for disc type inlet valve, mainly through the intake valve inner disc opening and closing are empty and load control; there are two kinds of control mode, a switch, when the pressure reaches the high limit value, to close the air inlet, pressure drop into the lower limit value, to open the air inlet full load operation. Another volume control, the air intake valve disc closed with the proportional valve capacity adjusting control, to adapt to the outside air, so that the pressure is stable in a certain range, pressure to volume adjustable pressure, inlet valve disk to open, when the compressor full load operation.

3 oil and gas barrel

Oil and gas barrels of oil gas separation and storage two functions. Compressed gas mixture is discharged to the oil and gas barrel, in oil and gas barrel rotation can be isolated from most of the lubricating oil; oil and gas barrel memory more lubricating oil, avoid just separated oil immediately involved in the next cycle, to reduce the exhaust gas temperature. Oil and gas barrel sides provided with oil level indicator. The barrel has a gas hole, for gas, static lubricant level should the oil level gauge between upper and lower limits. Oil and gas beneath the barrel provided with a ball valve, oil ( water ) should be in every operation before the slightly open the ball valve, in order to eliminate oil and gas barrel condensate ( water is heavier than oil, sedimentation in the lower ). Once the oil spill, rapid closure. Because oil and gas barrel large cross-sectional area, the compressed air flow velocity decreases, benefit drops of oil separation, the initial oil removal effect.

4 oil separators

Oil separator filter using multilayer thin fine special fibers, compressed air contained in the lubricating oil mist after oil fine separator can be completely filtered, oil particle size can be controlled at less than 0.1 μ m, oil content can be less than 3PPM.

5 safety valve

When the gas pressure in the oil and gas barrel than the rated discharge pressure is 1.1 times higher, safety valve that automatically take-off and relief, so that the pressure to exhaust pressure. Check safety valve is in full working compressor, gently pull the safety valve deflated rod, if the safety valve can exhaust the air outwards, is regarded as normal.

6 minimum pressure valve

In the oil and gas into the oil separators above the exit, opening pressure setting is about 0.45MPa, the minimum pressure valve mainly has the following functions:

A. starting priority establish needed lubricant circulating pressure, ensure the machine lubrication.

B. petroleum gas cylinder gas pressure over 0.4MPa after opened, can reduce the flow of oil separators for air velocity, in addition to ensure oil fine separation effect, and can protect the oil separators for free because of the pressure difference is too big and impaired.

C. back function: when shutdown oil gas barrel pressure drops, to prevent the pipe compressed air recirculation.

7 after cooler

The minimum pressure valve in the outflow of the compressed air, through to the after cooler. After cooler and oil cooler are made into a whole, the structure of the same, all for plate fin. Cooling fan will pump cold air blowing into the cooler, after rocker. After cooling the compressed air temperature generally at ambient temperature +15 ℃.

In three, and the mechanical and electrical equipment limited company sincere intention to recommend the air compressor water heater, air compressor waste heat recovery equipment, as long as you plant air compressor, can 0 operation cost system of water. Scope of supply: China (excluding Hong Kong and Macao ).

 
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