Jilin City iceberg hot and cold JZLG screw refrigeration unit

‌Dalian Iceberg Hot and cold JZLG screw refrigeration compressor unit

Screw type制冷机是冷库Important in installation制冷Equipment, in冷库The industry is a bit of a gradual replacement for piston type制冷Machine trend。Our company can provide Dalian iceberg Group Harbin services, sales agent screw制冷Machine and provide冷库Installation and repair, single and annual maintenance services and parts sales services。

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    With the international advanced level of the fourth generation of efficient rotor profile, advanced HOLROYD special rotor milling machine processing, can ensure more accurate processing size and higher efficiency。The rotor profile adopts double-sided asymmetric circular cycloidal tooth profile with sealing ribs, and the gap between the rotor and the body hole adopts a small value to ensure better air tightness between the rotor and improve the reliability of the compressor operation。The outer diameter of the rotor is the same, so that the circular speed of the rotor tends to the best value, so that the specific power is reduced, the processing technology of the rotor is improved, and the efficiency of the compressor is obviously increased。

    The rotor is made of nodular cast iron instead of steel, and its wear resistance, self-lubricating property, sound absorption property, vibration damping property, low expansion coefficient and so on are much better than steel rotor, thus improving the life and reliability of the compressor。The selection of imported mechanical seal, its structure is simple, easy to install, especially its superior sealing performance, can ensure the continuous long-term stable operation of the compressor。High quality imported rolling bearings are selected to withstand rotor axial forces，To ensure the precise positioning of the rotor，Its operating life of more than 40,000 hours,Fully ensure the continuous running time of the compressor;Adopt plain bearing to bear radial force，Operation life of more than 80,000 hours，Its low noise and high life further ensure the reliability of the compressor。

    Continuous oil supply by oil pump，In addition to meet the lubrication of moving parts，An adequate supply of oil carries away a great deal of compression heat，The compression process is closer to the isothermal compression process，At the same time, the lubricating oil can form an oil film on each sealing line of the compression cavity composed of the rotor and the body，Minimize internal leakage，The volumetric efficiency of the compressor is improved。

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◎ High efficiency oil separator and high efficiency oil cooler ensure low fuel consumption and higher heat transfer efficiency of the unit。

◎ All steel valves are used to further ensure the operation and safety of the equipment。

◎ The constant pressure valve is added on the oil pipeline to make the oil supply pressure stable and improve the performance of the whole machine。

◎ Reasonable unit center of gravity and anchor bolt position, further reduce vibration and noise。

◎ The piping system of the unit is simple and easy to operate。

◎ Two control modes of manual and microcomputer automatic control are prepared for users。The key components of the control part are imported products, with good quality, long life and further reliability
   高。 


     The controller is a special microcomputer controller developed for the characteristics of the "Iceberg" screw unit by the British GUARDIAN International control company, which integrates the advantages of many refrigeration companies in Europe and the United States。Compared with similar products, the controller has faster running speed, higher reliability and stronger control function. It has realized modularization and networking, and has the characteristics of beautiful appearance, convenient operation and friendly man-machine interface。

[Unit operating conditions]

◎ Evaporation temperature: -40℃ ~ +5℃

◎ Condensing temperature: ≤+43℃

◎ Exhaust temperature: ≤+105℃

◎ Injection temperature: +25℃ ~ +65℃

◎ Oil pressure higher than discharge pressure: 0.15～0.3MPa

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◎ Air conditioning condition: +5℃/+40℃

◎ Standard working condition: -15℃/+30℃

◎ Low temperature condition: -35℃/+35℃

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Refrigerant code:

◎ F-R22(ammonia working medium omitted)

Rotor nominal diameter:

◎ Use numbers to represent the unit cm

◎ L:G open screw refrigeration compressor

◎ 2: oil cooler working material cooling (water cooling omitted)

◎ J/Z: refrigeration compressor unit code

◎ J: Compressor unit with economy (omitted without)

Basic performance parameters, latest parameters and selection, please call:

Need iceberg JZLG screw can contact us。