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Q & a series of technical problems of air compressor (four)
Author: 志和      Release Date:2014/4/24      View Count:1926
 

"Q & a series of technical problems of air compressor (three)" refer to: http://www.dg-zhihe.com/cn/newsshow.asp? Id=419

Small make up: air compressor output air in water is relatively high, mainly in the airduct, air tank in front of the NL module (NL module is used to filter out the compressed air in the water or oil) can be discharged more water, do not know Is it right? Water orwater condenser has a problem, compression air containing high lead? I do not knowIs it right? Air compressor unload frequent reason?

Chi and master the technology: to check the condensed water discharge air compressor, if discharged water less need to trap clean. Compressed air aftercooling, a considerable part of the moisture precipitates in the water separator,drainage system from the trap, if not, will the water into the system. Usually the filter(NL module you referred to should belong to the same type) of liquid water is difficult to handle, so causing a lot of water discharge. Can use energy saving dischargevalve installed in the module of Ingersoll Rand, in order to reduce module workingpressure.

Small make up: twin screw compressor in the loading, loading valve drive cylinder piston, always appears with no load, performance for the butterfly valve drive cylinder piston action, but the action of small stroke, the intake valve opening only about 20~10 degree. Don't know what the reason is?

Chi and Technology Master: This is more complex, check the loading process, there isno open to the long cylinder position. If the cylinder and valve shaft looseness or haveshift, although the full cylinder, valve did not reach the position. There is a situation,the cylinder is damaged and can not open normally.

Small make up: if the situation is not normal open cylinder, resulting in valve cannot open normal loading. Cylinder damage is what causes it, the cylinder can oil? Cylinderdamaged to repair? Air compressor is running, loading, unloading time is 50 seconds,the working conditions are normal?

History and technology: master cylinder cannot open or open anomaly, associated with the load electromagnetic valve supply situation. The pipeline inspection to thecylinder, the oil quantity in the load, wash load solenoid valve. The cylinder isreplaced cannot be repaired only. Cylinder life including load solenoid valve andfrequency of use, if the machine is frequent and / unloading, is bound to affect the service life.

Small make up: said compressor soft starter is good but these specific what are the advantages? Can you give an example to explain?

Chi and Technology Master: give an example of life, if you will be deep fried boiling water cup directly to the cold cup just took out from the refrigerator, but if the first withwarm water after it won't burst in with boiling water cup. Motor soft starter is like a cup,and the warm water.

Small make up: screw machine spewing oil is how to return a responsibility?

Chi and Technology Master: intake valve diaphragm replacement, if not too much oil,it may just be the air oil separator has been broken.

Small make up: air compressor in the loading action is completed, there is a clear smoke from the air inlet discharge (pressure), by adjusting the inlet valve is a similar phenomenon, the oil fume is how to return a responsibility? I don't know what to do?

Answer: This is the shutdown, system and pressure caused by. We can wash thebleeder line, keep smooth check check valve seal condition; extended down the unloading time.

Small make up; the evaporating pressure and the condensing pressure is what is the relationship between what meaning?

Chi and Technology Master: superheated refrigerant vapor gaseous refrigerant of low temperature and low pressure to high temperature and high pressure after compression, at this time the pressure is called evaporation pressure. Enters the condenser through the pipeline, high pressure cooling condenses into liquid refrigerant, this time after the expansion valve into the evaporator, and the evaporation process to absorb heat of the compressed air and into gaseous refrigerant co, mpressor, back to the entrance, at this time the pressure is calledcondensation pressure. After the throttle decompression of the low-temperature refrigeration economic agent after heat absorption and evaporation pressure. It is compressed into high temperature and high pressure gas, after heat condensationliquefaction, refrigeration cycle pressure and condensing pressure at the typical aftercompression / condensation / evaporation throttle / four process, the condensation and evaporation processes involve the heat exchange. The refrigerant in the process of state will change, and the pressure is one of the indicators of this change. So there is a difference between the condensing pressure and evaporation pressure. There is usually the two pressure in cold and dry machine instructions.

Small make up: two air compressors in parallel, because the pressure controller can not completely synchronous, so the actual running time is not the same. Whether can use only one pressure control switch to control the two machines at the same timejob?

Master: Chronicles and technology is feasible in theory, but through a complex circuitchanges. Increase the intermediate relay, the contact is connected in series to the other machine volume control loop, and fine adjustment pressure switch, two machinepressure control point with this logic.

Small make up: how to check the minimum pressure valve?

Chi and Technology Master: inspection method of minimum pressure valve is correct:the machine in the loaded state, open air pipeline, the amount of empty, thenobserved before separation pressure, open the value which is the minimum pressure valve, (around 4.5KG).

Small make up: load solenoid valve 1SV and the intake valve is what is therelationship between the two?

Chi and Technology Master: load the action of an electromagnetic valve, gas valveopen or closed. Or by hydraulic device makes the machine structure to open the valveclosed.

Small make up: General freezing cold dry opportunity arises alarm what kind?

 
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