Air cooled screw chiller

Air-cooledscrewchiller:Air-cooledscrewchillers(single/dualseries)adoptinternationallyrenownedbrands(Hanbell.,Bitzer,Germany)screwcompressors,high-efficiencyfinnedcondensers,dryshellandtubeevaporators,and(Danfoss,ALCO,Americanmensonandotherinternationallyrenownedbrandparts;equippedwithGermanSiemensPLCcontrolsystem+LCDtouchscreendisplay,whichmakestheunitcompactandsmallinsize,lowinnoise,stableinperformance,safe,energyefficient,easytooperate,etc.Anumberofsystemsafetydevices,whichcanprovidechilledwaterat4°Cto10°C,canachievetherequirementsofprocesscoolingcontinuityfor24hours. Air-cooledscrewchillerfeatures:1.Air-cooledscrewmachinecoolingcapacityrange:102500Kcal/hto654800Kcal/hoptional2.Inadditiontothegeneralcharacteristicsofthewater-cooledscrewunitseries,theair-cooledchillerhasthegreatestadvantageofnotrequiringawatercoolingsystem,aslongasitiswellventilatedandcanbeused.3,air-cooledchillersdonotneedtobeequippedwithcoolingwaterpumps,coolingtowersandotherancillaryequipment,cansavealotofmaterialandengineeringinstallationcosts,andevendonotneedtosetupthemachineroom. Compressorfeatures:1.Internationallyrenownedbrandasymmetrictoothedhigh-efficiencycompressors,whichare25%-35%higherthanordinarycompressors,andUSandEuropeanpatentedtechnologies.2.themostadvancedtypeofhighefficiency5:6thirdgenerationasymmetrictoothedscrew3.semi-closeddesign,onlythreemovingparts,withfewerparts,lowfailurerate4.Itcanrealizethree-stage(100%-75%-50%-25%)three-stage(100%-66%-33%)orsteplessenergyadjustment.Thecontrolisflexibleandconvenient,energy-savingandefficient,easytomaintain.5.usingtheworld-famousSKFandFAGzero-gapmultiplethrustandradialbearings,precisionstructure,highreliability6.three-stageoilseparationfilter,goodoilfilteringeffect,effectivelyensurethenormaloperationofthecompressorandtheefficientheatexchangeoftheheatexchanger7.Itadoptspumplessbuilt-indifferentialpressureoilsupplylubricationsystem,whichisenergy-saving,efficientandreliable.8.specialfluorine-resistantlowironlossmotordesign,equippedwithreliablemotoroverheatprotectiondevice,effectivelyensuretheefficientandreliableoperationofthemotor9.Equippedwithliquidrefrigerantinjectionsystemunderlowtemperatureandheatpumpconditions,effectivelyreducingtheworkingloadandexhausttemperatureofkeycomponentsandimprovingthereliabilityofcompressoroperation.10.Patentedexhaustchamberdesignandcontinuousrotorgastransmissiontoensurelowvibrationandlownoiseofthecompressor11.Installanexhaustcheckvalveattheexhaustporttopreventtherotorfromreversingduringshutdown.12.avarietyofrefrigerantselectionInadditiontoR22refrigerant,youcanalsochooseR134A.R404A.R407Candotherenvironmentallyfriendlyrefrigerant.13.EasytoinstallanduseTheunithascompletedtheweldingoftherefrigerantpipelineinthefactory,theairtightnessleaktest,thenitrogenfillingpressuretest,thevacuumtest,thefluorinefillingfullloadperformancetest,andthequalifiedproductsmeetingtheindustrystandardrequirements. ProjectunitmodelRXG90AFRXG120AFRXG160AFRXG170AFRXG210AFRXG225AFRXG265AFRXG280AFRXG310AFRXG330AFRXG360BFRXG420BFRXG450BFRXG490BFRXG530BFRXG550BFCoolingcapacity7℃kW76.5120.0155.0168.0210.0225.0265.0280.0310.0330.0360.0420.0450.0490.0530.0550.0-5℃46.773.294.6102.5128.1137.3161.7170.8189.1201.3219.6256.2274.5298.9323.3335.5-10℃28.043.956.761.576.982.497.0102.5113.5120.8131.8153.7164.7179.3194.0201.3powersupply　3P380V50Hz　formkw先进半封闭双螺杆式OperatingpowerkW27.538.14853.166.871.279.585.192.2100.6112.5130.6140.4153167172Therefrigerant　R22Energycontrol%0~25%~50%~75%~100%EvaporatorType　HorizontalshellandtubetypehighefficiencyheatexchangerCoolantflowm3/h15.520.726.728.436.138.745.648.252.556.862.273.077.585.091.595.0WaterpipeinterfacemmDN65DN65DN80DN80DN100DN100DN100DN100DN100DN125DN125DN125DN125DN125DN150DN150CondenserType　亲水铝箔套高效内螺纹铜管翅片式Airvolumem3/h34500465005900063000800008650010080010650116000125500136800159600171000186600201500212000RefrigerantcontrolExpansionvalve　Temperature-sensitiveexternalpressureequalizingthermalexpansionvalveSafetydevice　　Highandlowvoltageprotection,antifreeze,heatprotection,doubleprotection,safetyvalve,overloadprotection,phaseloss,reversephase,undervoltage,overvoltage,waterflowprotection,etc.Dimensions（L）mm2450275029503200320032003200320036003850440046005600585059005900（W）mm1350140014001500180018001800180020002000220022002200220022002200（H）mm2020202022002200230023002300230023502350240024002400240025502550weightNetWeightkg1850200022002200260027502880296031003300355038504400460051005650Runningweightkg2128220024202420286030253168325634103630390542354840506056106215 PS:1.Thecoolingcapacityismeasuredunderthefollowingtemperatureconditions:thechilledwaterinlet/outlettemperatureis12°C/7°C.0°C/-5°C.-5°C/-10°C.2.thescopeofwork:outdoordrybulbtemperatureis33°C,wetbulbtemperatureis28°C.3.thisseriesofunitscanbewithheatrecovery:hotwatertemperature35°C~50°C4.Theabovespecificationsaresubjecttochangewithoutpriornotice.Thiswillhelpourcompanytobringthelatestscientificandtechnologicalachievementstocustomersatanytime.

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Air-cooled chiller

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Product description

Air-cooled screw chiller:

Air-cooled screw chillers (single/dual series) adopt internationally renowned brands (Hanbell., Bitzer, Germany) screw compressors, high-efficiency finned condensers, dry shell and tube evaporators, and (Danfoss, ALCO, American menson and other internationally renowned brand parts; equipped with German Siemens PLC control system + LCD touch screen display, which makes the unit compact and small in size, low in noise, stable in performance, safe, energy efficient, easy to operate, etc. A number of system safety devices, which can provide chilled water at 4 ° C to 10 ° C, can achieve the requirements of process cooling continuity for 24 hours.

Air-cooled screw chiller features:

1. Air-cooled screw machine cooling capacity range: 102500Kcal/h to 654800Kcal/h optional

2. In addition to the general characteristics of the water-cooled screw unit series, the air-cooled chiller has the greatest advantage of not requiring a water cooling system, as long as it is well ventilated and can be used.

3, air-cooled chillers do not need to be equipped with cooling water pumps, cooling towers and other ancillary equipment, can save a lot of material and engineering installation costs, and even do not need to set up the machine room.

Compressor features:

1. Internationally renowned brand asymmetric toothed high-efficiency compressors, which are 25%-35% higher than ordinary compressors, and US and European patented technologies.

2. the most advanced type of high efficiency 5:6 third generation asymmetric toothed screw

3. semi-closed design, only three moving parts, with fewer parts, low failure rate

4. It can realize three-stage (100%-75%-50%-25%) three-stage (100%-66%-33%) or stepless energy adjustment. The control is flexible and convenient, energy-saving and efficient, easy to maintain.

5. using the world-famous SKF and FAG zero-gap multiple thrust and radial bearings, precision structure, high reliability

6. three-stage oil separation filter, good oil filtering effect, effectively ensure the normal operation of the compressor and the efficient heat exchange of the heat exchanger

7. It adopts pumpless built-in differential pressure oil supply lubrication system, which is energy-saving, efficient and reliable.

8. special fluorine-resistant low iron loss motor design, equipped with reliable motor overheat protection device, effectively ensure the efficient and reliable operation of the motor

9. Equipped with liquid refrigerant injection system under low temperature and heat pump conditions, effectively reducing the working load and exhaust temperature of key components and improving the reliability of compressor operation.

10. Patented exhaust chamber design and continuous rotor gas transmission to ensure low vibration and low noise of the compressor

11. Install an exhaust check valve at the exhaust port to prevent the rotor from reversing during shutdown.

12. a variety of refrigerant selection In addition to R22 refrigerant, you can also choose R134A.R404A.R407C and other environmentally friendly refrigerant.

13. Easy to install and use The unit has completed the welding of the refrigerant pipeline in the factory, the air tightness leak test, the nitrogen filling pressure test, the vacuum test, the fluorine filling full load performance test, and the qualified products meeting the industry standard requirements.

Project		unit	model
Project		unit	RXG90AF	RXG120AF	RXG160AF	RXG170AF	RXG210AF	RXG225AF	RXG265AF	RXG280AF	RXG310AF	RXG330AF	RXG360BF	RXG420BF	RXG450BF	RXG490BF	RXG530BF	RXG550BF
Cooling capacity	7℃	kW	76.5	120.0	155.0	168.0	210.0	225.0	265.0	280.0	310.0	330.0	360.0	420.0	450.0	490.0	530.0	550.0
	-5℃		46.7	73.2	94.6	102.5	128.1	137.3	161.7	170.8	189.1	201.3	219.6	256.2	274.5	298.9	323.3	335.5
	-10℃		28.0	43.9	56.7	61.5	76.9	82.4	97.0	102.5	113.5	120.8	131.8	153.7	164.7	179.3	194.0	201.3
power supply			3P 380V 50Hz
	form	kw	先进半封闭双螺杆式
	Operating power	kW	27.5	38.1	48	53.1	66.8	71.2	79.5	85.1	92.2	100.6	112.5	130.6	140.4	153	167	172
	The refrigerant		R22
	Energy control	%	0~25%~50%~75%~100%
Evaporator	Type		Horizontal shell and tube type high efficiency heat exchanger
	Coolant flow	m3/h	15.5	20.7	26.7	28.4	36.1	38.7	45.6	48.2	52.5	56.8	62.2	73.0	77.5	85.0	91.5	95.0
	Water pipe interface	mm	DN65	DN65	DN80	DN80	DN100	DN100	DN100	DN100	DN100	DN125	DN125	DN125	DN125	DN125	DN150	DN150
Condenser	Type		亲水铝箔套高效内螺纹铜管翅片式
Condenser	Air volume	m3/h	34500	46500	59000	63000	80000	86500	100800	10650	116000	125500	136800	159600	171000	186600	201500	212000
Refrigerant control	Expansion valve		Temperature-sensitive external pressure equalizing thermal expansion valve
Safety device			High and low voltage protection, antifreeze, heat protection, double protection, safety valve, overload protection, phase loss, reverse phase, under voltage, over voltage, water flow protection, etc.
Dimensions	（L）	mm	2450	2750	2950	3200	3200	3200	3200	3200	3600	3850	4400	4600	5600	5850	5900	5900
	（W）	mm	1350	1400	1400	1500	1800	1800	1800	1800	2000	2000	2200	2200	2200	2200	2200	2200
	（H）	mm	2020	2020	2200	2200	2300	2300	2300	2300	2350	2350	2400	2400	2400	2400	2550	2550
weight	Net Weight	kg	1850	2000	2200	2200	2600	2750	2880	2960	3100	3300	3550	3850	4400	4600	5100	5650
weight	Running weight	kg	2128	2200	2420	2420	2860	3025	3168	3256	3410	3630	3905	4235	4840	5060	5610	6215

PS:

1. The cooling capacity is measured under the following temperature conditions: the chilled water inlet/outlet temperature is 12 ° C / 7 ° C. 0 ° C / -5 ° C. - 5 ° C / -10 ° C.

2. the scope of work: outdoor dry bulb temperature is 33 ° C, wet bulb temperature is 28 ° C.

3. this series of units can be with heat recovery: hot water temperature 35 ° C ~ 50 ° C

4. The above specifications are subject to change without prior notice. This will help our company to bring the latest scientific and technological achievements to customers at any time.

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