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1793kW - 2690kW Centrifugal Chiller Using Water Cooled Falling Film Evaporator

Guangdong EuroKlimat Air-Conditioning & Refrigeration Co., Ltd

1793kW - 2690kW Centrifugal Chiller Using Water Cooled Falling Film Evaporator

Brand Name : EuroKlimat

Model Number : EKDC

Certification : ISO9001, ISO14001, OHSAS18001, CRAA, CQC

Place of Origin : China

MOQ : 1

Price : Negotiation

Supply Ability : 100pcs per month

Delivery Time : 45 working days after received your payment

Packaging Details : Plywood

Product Name : High Efficiency Water Cooled Falling Film Centrifugal Chiller

Refrigerant : R134a

Cooling Capacity (kW) : 1793-2690

Start Type : Start Delta (Low voltage)

Power Supply : 380-415V/3Ph/50Hz

Control Panel : Touch screen

Control : PID

Modbus-RTU Communication : Option

Compressor Type : Centrifugal

Evaporator Type : Spray type (Falling film)

Condenser Type : High efficiency shell-tube

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High Efficiency Water-cooled Falling Film Centrifugal Chiller

Specification

Model   EKDC500 EKDC550 EKDC600 EKDC650 EKDC700 EKDC750
Nominal Cooling Cooling Capacity U.S.RT 510 561 612 663 714 765
kW 1793 1972 2152 2331 2510 2690
x104kCal/h 154 170 185 200 216 231
Input Power kW 293 321 351 381 409 437
COP kW / kW 6.12 6.14 6.13 6.12 6.14 6.16
Chilled Water Flow m3/h 308 339 370 401 432 463
Chilled Water Pressure Drop kPa 62 61 74 73 73 84
Cooling Water Flow m3/h 359 394 431 466 502 538
Cooling Water Pressure Drop kPa 68 66 77 76 77 88
Cooling* Cooling Capacity U.S.RT 498 547 597 647 697 746
kW 1750 1925 2100 2275 2450 2625
x104kCal/h 151 166 181 196 211 226
Input Power kW 303 332 363 394 423 451
COP kW / kW 5.78 5.80 5.79 5.77 5.79 5.82
Chilled Water Flow m3/h 301 331 361 391 421 452
Chilled Water Pressure Drop kPa 59 58 70 69 69 80
Cooling Water Flow m3/h 353 388 424 459 494 529
Cooling Water Pressure Drop kPa 66 64 75 74 75 85
Compressor Type   Two Stage Semi-hermetic Centrifugal
Start Type   Start Delta (Low voltage)
Power Supply   380-415V/3N~/50Hz
Condenser Type   Shell-Tube
Qty.   1 1 1 1 1 1
Evaporator Type   Spray ( Falling Film)
Qty.   1 1 1 1 1 1
Refrigerant   R134a
Control Type   Water Temp. PID Control
Chilled Water Pipe Size DN 250 250 250 250 250 250
Cooling Water Pipe Size DN 250 250 250 250 250 250
Insulation Material   Rubber flexible closed foam insulation materials
Unit Net Weight kg 9100 9600 10100 10600 11200 11200
Operating Weight kg 10050 10550 11100 11700 12350 12350
Rated Current
(Nominal Cooling)
380V A 518 570 661 729 802 854
6kV A - - - - - -
10kV A - - - - - -
Rated Current
(Cooling*)
380V A 536 590 684 754 829 881
6kV A - - - - - -
10kV A - - - - - -
Starting Current 380V A 2835 2835 2902 3119 3308 3308
6kV A - - - - - -
10kV A - - - - - -

Note:

■ Nominal cooling conditions: Chilled water entering/leaving Temp.:12/7℃,cooling water entering/leaving Temp.:30/35℃;

■ Cooling* conditions :Chilled water entering/leaving Temp.:12/7℃,cooling water entering/leaving Temp.:32/37℃;

■ Water side standard bearing pressure 1.0MPa;

■ Above evaporator and condenser water side pressure drop not including external water pipe and the other parts resistance;

■ Evaporator and condenser water pipe is flange connection;

■ Refer to unit nameplate or manual for job site power supply arrangement.

Description

EKDC series water-cooled falling film centrifugal chiller adhering to energy saving and environmental protection of the brand concept, can provide chilled water for central air conditioning system in hotel, hospital, pharmaceutical, theater, stadium, recreation center, commercial building, office building, industrial and mining enterprises; also can for textile, chemical, food and electronic research to provide chilled water for process usage.

Features

Environment Friendly Refrigerant

R134a is environment friendly refrigerant, zero ozone depletion, safety & non-poison, un-burnable, green & environment friendly, comply with current development trend of international environmental protection.

High Efficiency two-stage Compression Design

Using high efficiency two-stage hermetic impeller compression increases efficiency more than 6%, lower relative speed, lower noise level, small vibration, higher reliability. Adopting three-dimensional flow high efficiency aluminum hermetic impeller design, greatly decrease air leakage; five-axis machining with higher precision, so can effective reduce impeller axis loss and separate loss, and greatly increase impeller efficiency. Than unit efficiency is better than national standards for energy conservation.

Reliable Oil Recovery Device-Induced Jet Pump

Through induced jet pump, on the condition of no energy loss make use of middle pressure steam flashing to achieve low pressure side oil recovery function.

Refrigerant Flow Control Kit-Orifice Plate

• Use orifice plate to control refrigerant flow. Each set orifice plate is designed and produced according to Centrifugal Chiller performance; so that can get the best match.

• Orifice plate without any moving part, so that it is more reliable than the other throttle valves that need mechanical transmission

Spray Type (Falling Film) Evaporator

• The refrigerant into the evaporator is a heat exchange tube array on the spray direction. The liquid refrigerant in the tube wall to form a thin film flow down, also known as the falling film evaporator. Because only in the surface of the heat exchanger tube is covered with a layer of liquid refrigerant film, so the heat transfer effect is excellent

• Using refrigerant circulation pump as the refrigerant throttling device from economizer to the evaporator, meanwhile pump out liquid refrigerant in evaporator bottom for recycling; in order to improve the refrigerant supply for evaporator upper copper pipe, so that can make sure that all copper pipes are covered by liquid refrigerant. Unit no need precise water level correction, only for general positioning, evaporator can play high normal performance.

• Only evaporator bottom has a small amount of liquid refrigerant so that refrigerant charge is less, complying with environment protection.

• After a large amount of refrigerant evaporation, lubrication oil concentrate in evaporator bottom; and then oil pump can draw out lubrication oil smoothly and then oil back to compressor oil groove.

High Efficiency Advanced Centrifugal Compressor

Centrifugal compressor has two-stage compression, internal using high strength alloy main shaft and hermetic impeller, using high precision gear, using non-flat high strength ball/roller bearing; so that emergency stop is ok. Unit start interval can be shortened to 10 minutes, and bearing life can up to 80000 hours.

High Efficiency Condenser

Condenser is divided into two parts, guide plate installed in the middle that can guide liquid refrigerant to the shell edge, can greatly improve lower copper pipe heat exchange efficiency. For large tonnage unit, this design is very effective, can reduce condensing Temp. 0.5~1℃.

Authority Certificate

We have industry’s most advanced test room for centrifugal chiller, this test room has passed China National Accreditation Committee audit qualification (CNAS L5123), strictly complying with GB/T10870-2001, GB/T18430.1-2007; testing capacity up to 3000RT. Before delivery, each unit has done strict full performance test to ensure unit performance.

Advanced Control

• Micro Computer Control

• Touch Screen Panel

• PID Control

• Perfect Protection Function

• Multiple Anti Surge Function

• Reserve Connecting Port for Use

Applications

Hotel, Hospital, Pharmaceutical, Theater, Stadium, Recreation Center, Commercial Building, Office Building, Industrial & Mining Enterprises, Textile, Chemical, Food and Electronic Research.


Product Tags:

water cooled centrifugal chiller

      

centrifugal water cooled chiller

      
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