中文版   English  
 
News Center
 · Strengthen the three dialectic
 · Let mobile compressor run fast
 · Polyurethane insulation cotton
 · Air to water heater industry -
 · Vacuum drying box using the pr
 · Heat pump quality guarantee "c
 · Air compressor motor protectio
 · Water pump
Contact Us
  • Address:Qinghu cun, Qishi Town, Dongguan, Guangdong Province
    Contact Person:Mr Yan
    E-Mail:zhihe998@126.com
    Tel:+86-0769-86723636
    Fax:+86-0769-81080026
    Mobile:13829228807  
               13829282260
    QQ:2463307187    
    WebSite: www.dg-zhihe.cn

 
News Center Location: Home > News
 

Q & a series of technical problems of air compressor (three)
Author: 志和      Release Date:2014/4/24      View Count:2047
 

"Q & a series of technical problems of air compressor (two)" refer to: http://www.dg-zhihe.com/cn/newsshow.asp? Id=418

Small make up: how to determine the dry pipe systems according to the exhaust volume?

Chi and Technology Master: exhaust diameter and the compressor outlet pipe of the same, convenient connection, and then zoom. According to the maximum amount ofguarantee sufficient diameter; pressure loss is less than 0.021MPA, so that the airpressure loss of the system is maintained at 10%.

Small make up: repair personnel in the replacement of main shaft seal kit had struckthe spindle will host the output influence? The original pressure settings automatically stop in 0.8MPA, spindle sealing unit does not automatically shutdown is not up towhether 0.7MPA is associated with this?

Chi and Technology Master: exhaust volume replacement does not affect the original unit of main shaft sealing. As for the factors of electromagnetic valve will affect theexhaust machine, if the load solenoid valve does not open, the intake valve cannot open, direct the unit's work is influenced by.

Small make up: a fast four years of cold and dry machine, recently found that air linethere has been a lot of water, gas tank every row of water 3 times, but still a lot ofwater. Later discovered that the cold and dry machine that don't water removal effect,because the little time to see water out, open the drain valve, can let the air out, but no water. Open the drain valve, in addition to some dirty things, no blockage. Cold and dry machine normal operation: normal operation of compressor, evaporator temperature is 4 degrees, intake air temperature and exhaust temperature is not whatthe temperature difference. What is this excuse me?

Chi and Technology Master: no water drain valve. According to your description, can be speculated that the cold and dry machine working condition is not good. Externalshould check the compressed air inlet temperature, inlet flow is in cold and drymachine within the prescribed scope. And cold and dry machine should be regarded as a test for refrigerant quantity, to evaluate the check by running a current, or detection of evaporation / condensation pressure.

Small make up: how to reduce the compressed air with water?

Chi and Technology Master: timing for the after cooler, gas tank, middle cooler, the buffer tank and sewage.

Small make up: Excuse me, cold and dry machine refrigerant high and low pressureshould be normal?

Chi and Technology Master: refrigerant pressure called condensing pressure, the reading should be 1.4 ~ 2.5Mpa, if less than this range, check and adjust the fanpressure switch settings; that evaporation pressure, usually in the range of 0.4 ~ 0.55Mpa, if not in this range should be screw adjusting hot gas bypass valve.

Small make up: we have 6 sets of screw machine network, I would like to ask how toset the minimum pressure regulator? How do we know the minimum pressure of eachvalue? (for example, when the pipeline gas saturated butterfly valve which machinefirst action?)

Chi and Technology Master: stand-alone debugging, compressor sets networking,generally without special adjustment of compressor pressure, unless the sequence control need 6 machines. If you need to set the pressure on the compressor monomer, but the workload is quite large. For a time we need to reset the machine,the same running time. You can use the ISC or IEO product sequence control,energy-saving features its unique and precise control reduces the working strength,and make the system pressure is quite stable, obtain investment returns through energy.

Small make up: oil free screw machine (exhaust volume 40M3, the exhaust pressure of 8 kg), the working pressure in the 7-8 kg, but air compressor frequent unloading,this is why?

Chi and Technology Master: take the multilevel flow control to air compressor plus /unloading is to meet the gas needs, if the workshop with gas, air compressor full load,if the small quantity of air compressor, air gap, so the machine plus / uninstall. The expensive unit machine plus / unload frequently, must be changed to use gas situation, with high efficiency and energy saving controller is proposed, for constant pressure adjustment, in order to save electric energy consumption. There is a special case, system components such as filter, dryer in less maintenance, formationpressure resistance will cause air compressor frequently add / uninstall.

Small make up: how can I know by freeze drying compressed air moisture content?After the freeze dryer, compressed air moisture will vary with the length of pipeline?

Chi and Technology Master: accurate testing only through the pressure dew pointtest. But the test is difficult, and expensive testing instruments. Pressure dew pointshould not vary with the pipeline length change.

Small make up: single screw air compressor and screw air compressor has what difference in energy saving, service life of the rotor bearing box?

Master: Chronicles and technology of single screw and twin screw from the structure,manufacturing process of double screw than single screw is complex, and the life and the work efficiency difference is not great, but the manufacturing technology ofdomestic single screw not double screw maturity. The main problem is to solve thetransmission and sealing, i.e. aspects of life and maintenance, single screw to lack some.

Small make up: cold and dry condensation water machine with a green, gascompression is the same with green? What is the reason?

History and technology: from the master that reflect the situation, after cooler internalpatina, please check the environment has no gas on Corrosion of copper.

Small make up: the minimum pressure valve is screw machine of the separation barrelin the oil pressure is lower than the minimum pressure valve set pressure, the minimum pressure valve to open it, if you don't open, so when the host outlet pressure is low, oil separating bucket is deflation?

Chi and Technology Master: if the pressure cylinder is less than the minimumpressure valve opening pressure

 
专业提供:空压机热水器空压机余热回收空压机余热利用空气能热水器系列
Address:Qinghu cun, Qishi Town, Dongguan, Guangdong Province Tel:+86-0769-86723636 Fax:+86-0769-82820762
All rights reserved © DongGuan ZhiHe Mechanical and electrical equipment Co., LTD   
网站地图    sitemaps