Anti-corrosion Sea water cooled chiller for Marine fishing vessel
Products Features
1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2. Four stage volume control or 0%-100% automatic regulation.
3. Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4. Complete breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
5. Wider range of varibale chilled water temperature to meet the low temperature industrial requirements.
Product options
1. Salt water evaporator
2. Stepless energy regulation
3. Pump/Cooling tower control
4. Special power supply
5. Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Condenser: fouling factor 0.044m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
Compressor
Select semi-closed 5:6 asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the lastest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency. Motor chamber compression chamber integrally cast, high precision. Double pressure compensated rotor housing, very strong, no expansion even in the state of high pressure, and it effectively reduces the noise.
Heat exchanger
The condenser and evaporator of this series unit adopts shell and tube heat exchanger, using new high efficient heat exchanger structure. Heat exchanger adopts the most advanced and effcient heat exchanger tube bundle with unique geometric characteristics and enhanced tube nucleate boiling required vaporization core, strengthen the fluid in the tube and delay perturbationat the same time, the water side fouling, heat transfer enhanment, the inside wall in order to get the best performace, comparade to the previous design, the unique design of the heat transfer efficiency is increased by 30%.
Evaporator evapotation tube with inner grooved on outer concave tooth enhanced heat transfer technology, condenser tube with inner grooved cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and improve the energy efficiency ratio for the unit.
PLC
A good Chinese-English interactive interface is to achieve automatic control function before the LCD display real-time statues of the machine work, precise monitoring unit operating at optimun state, the touch pannel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with cooling pumps, cooling water pumps and cooling tower fan interlock control function.
Technical parameter
Water cooled screw chiller(single compressor) technical parameter
VW- | |||||||||||
Type | 100S | 135S | 175S | 190S | 235S | 260S | 300S | 320S | 350S | 380S | |
Nominal cooling capacity | kw | 98.0 | 135.0 | 175.6 | 191.1 | 233.3 | 255.6 | 301.1 | 317.8 | 347.8 | 380.0 |
104 kcal/h | 8.4 | 11.6 | 15.1 | 16.4 | 20.1 | 22.0 | 25.9 | 27.3 | 29.9 | 32.7 | |
Operating control method | Use PLC microcomputer control | ||||||||||
Power Supply | 380V/3N/50HZ | ||||||||||
Startup type | Y-delta | ||||||||||
Compressor | Type | Semi-closed 5:6 asymmetric twin-screw compressor | |||||||||
Input power(kw) | 23.0 | 30.0 | 39.0 | 42.0 | 51.0 | 56.0 | 63.0 | 66.0 | 73.0 | 80.0 | |
Rated current(A) | 39.2 | 51.6 | 64.7 | 71.0 | 86.4 | 94.1 | 105.9 | 111.4 | 122.7 | 133.8 | |
Energy regulation | 0-33%-66%-100% | 0-25%-50%-75%-100% | |||||||||
Evaporator | Type | High efficiency dry type shell and tube heat exchanger | |||||||||
Flow(m3/h) | 16.9 | 23.2 | 30.2 | 32.9 | 40.1 | 44.0 | 51.8 | 54.7 | 59.8 | 65.4 | |
Water pressure drop(kPa) | 45.0 | 45.0 | 48.0 | 48.0 | 50.0 | 50.0 | 50.0 | 55.0 | 55.0 | 55.0 | |
Interface size | DN65 | DN80 | DN100 | DN125 | |||||||
Condenser | Type | High efficiency shell and tube heat exchanger | |||||||||
Flow(m3/h) | 20.8 | 28.4 | 36.9 | 40.1 | 48.9 | 50.0 | 50.0 | 55.0 | 55.0 | 55.0 | |
Water pressure drop(kPa) | 42.0 | 42.0 | 45.0 | 45.0 | 48.0 | 48.0 | 48.0 | 52.0 | 52.0 | 52.0 | |
Interface size | DN65 | DN80 | DN100 | DN125 | |||||||
Refrigerant | Type | R22 | |||||||||
Refrigerant volume(kg) | 16.0 | 22.0 | 25.0 | 30.0 | 35.0 | 40.0 | 45.0 | 50.0 | 53.0 | 56.0 | |
Overall dimensions | Length(mm) | 2450 | 2450 | 2700 | 2850 | 2850 | 2850 | 2850 | 3250 | 3250 | 3250 |
Width(mm) | 660 | 660 | 660 | 890 | 890 | 920 | 920 | 920 | 960 | 985 | |
Height(mm) | 1450 | 1590 | 1590 | 1600 | 1690 | 1690 | 1690 | 1690 | 1750 | 1750 | |
Weight | Machine weight(kg) | 850 | 1050 | 1150 | 1270 | 1340 | 1430 | 1640 | 1710 | 1780 | 1850 |
Operating weight(kG) | 900 | 1150 | 1300 | 1420 | 1540 | 1670 | 1890 | 1930 | 1970 | 2050 | |
Application
Chemical, chemical fiber, plastic, oil, food, pharmaceutical, military, printing, painting, electroplating, electronics and other industries
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