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Product Introduction
The cooling water circulation machine is a cooling water device that can provide constant temperature, constant flow, and constant pressure. It is mainly composed of a refrigeration system, an electrical system, and a water system. It is mainly used for cooling precision instruments in domestic and foreign laboratories and as a cold source for experimental processes.
Schematic diagram of cooling circulating water refrigeration system
Application areas
Chemical and biological fields: atomic absorption, ICP, rotary evaporator, CCD, biological fermentation tank, chemical reactor (synthesizer), etc.
Materials field: electron microscope, X-ray diffraction, X-ray fluorescence, vacuum furnace, coating machine, ICP etching, various semiconductor equipment, fatigue testing machine, chemical deposition system, atomic deposition system, etc.
Physics: lasers (various models), magnetic fields, various molecular pumps, and various water-cooling equipment used in the materials field.
Medical equipment: MRI, superconducting MRI, linear accelerator, CT, X-ray machine
It is widely used in physics, material, chemistry, biology, medicine and other colleges and scientific research institutions and industrial places that need cold sources.
Unit characteristics
1. Advanced refrigeration technology, stable quality and high reliability
2. Adopt microcomputer controller, easy to operate, with various precisions to choose from (±0.1℃, ±0.3℃, ±0.5℃, ±1℃, etc.)
3. Equipped with manual water addition, suitable for pure water/distilled water, to prevent secondary pollution.
4. The temperature is adjustable, realizing the fully automatic intelligent control system of water temperature, water flow, and fault signal alarm output
5. All safety protection and indication functions are available to ensure safe and reliable operation of the unit.
6. Accept non-standard production by customers, instrument structure, size, flow, temperature accuracy, pressure, etc. Low noise and high temperature control accuracy
As a professional manufacturer in China, Dawoxi's cooling circulating water machines are widely used in key laboratories and research institutes in China:
South China University of Technology, University of Science and Technology of China, Southern University of Science and Technology, South China Normal University, Sun Yat-sen University, Third Military Medical University of the Chinese People's Liberation Army, Guangxi Normal University, Hunan University, Wuhan University of Technology, Shenzhen Institute of Advanced Manufacturing, Chinese Academy of Sciences, Chiller, Industrial Chiller, Screw Chiller, Refrigerator
General parameters
Cooling circulating water machine technical parameters | |||||||||||
model | DW-LS-600W | DW-LS-1200W | DW-LS-2500W | DW-LS-3700W | DW-LS-5400W | DW-LS-6500W | DW-LS-8000W | DW-LS-10KW | DW-LS-15KW | ||
Cooling capacity | W | 600 | 1200 | 2500 | 3700 | 5400 | 6500 | 8000 | 10000 | 15000 | |
Kcal/h | 516 | 1032 | 2150 | 3182 | 4644 | 5590 | 6880 | 8600 | 12900 | ||
Total Power | KW | 0.6 | 0.8 | 1.1 | 1.5 | 1.9 | 2.3 | 2.8 | 3.8 | 4.5 | |
Current | A | 2.4 | 4 | 6.3 | 7.8 | 9 | 11 | 8 | 9.5 | 11 | |
power supply | 1PH220V 50Hz (60HZ) 110V 50HZ (60HZ) | 3PH 380V50Hz 200V/220V/415V 50Hz(60Hz) | |||||||||
Temperature control range | ℃ | 5~35 | |||||||||
Temperature control accuracy | ℃ | ±1 (±0.1, 0.2, 0.5, custom required) | |||||||||
refrigerant | name | R22 (R407C/R134a/404a) | |||||||||
Control method | Capillary | ||||||||||
compressor | type | Fully enclosed scroll type (piston type) | |||||||||
power | KW | 0.37 | 0.45 | 0.75 | 1.1 | 1.5 | 1.8 | 2.2 | 3 | 3.75 | |
Condenser | type | Fin type + aluminum foil | |||||||||
Air volume | m3/h | 500 | 800 | 1200 | 1800 | 2300 | 2700 | 3500 | 4500 | 5500 | |
Evaporator | type | Water tank coil type | |||||||||
Material | SUS304 stainless steel | ||||||||||
Water Pump | power | KW | 0.2 | 0.37 | 0.37 | 0.37 | 0.37 | 0.37 | 0.55 | 0.75 | 0.75 |
flow | L/MIN | 5~10 | 10~15 | 10~30 | 15~35 | 15~35 | 15~40 | 20~50 | 20~50 | 20~60 | |
pressure | Bar | 1~4 | 1~4 | 1~4 | 1~4 | 1~4 | 1~4 | 1~4 | 1~4 | 1~4 | |
Note: The standard pressure is 2Bar (the pump pressure and flow rate can be customized according to actual conditions) | |||||||||||
Water tank | Material | SUS304 stainless steel | |||||||||
Volume | L | 8 | 10 | twenty two | twenty two | 27 | 35 | 40 | 50 | 70 | |
Water inlet and outlet diameter | mm | 6-25 (optional according to customer requirements, please specify when ordering) | |||||||||
Security protection | Compressor overheat protection, overcurrent protection, high and low pressure protection, overtemperature protection, flow protection, phase sequence/phase loss protection, exhaust overheat protection, antifreeze protection | ||||||||||
Dimensions | long | MM | 482 | 436 | 400 | 500 | 550 | 660 | 640 | 640 | 1200 |
Width | MM | 360 | 337 | 400 | 455 | 503 | 530 | 640 | 640 | 650 | |
high | MM | 550 | 753 | 880 | 905 | 972 | 950 | 1270 | 1270 | 1280 | |
Unit weight | KG | 35 | 40 | 70 | 95 | 110 | 120 | 140 | 160 | 180 |
Note:
1. The cooling capacity is based on: chilled water inlet and outlet temperatures of 12°C/7°C, condensing temperature of 35°C (the above cooling capacities are nominal cooling capacities)
2. Working range: Chilled water temperature range: 5℃~35℃; Control accuracy ±1℃
3. Use in an environment with an ambient temperature not higher than 40°C and ensure good ventilation
4. The above parameters are standard model parameters. Please call us if you need customization! We reserve the right to change the above parameters or dimensions without prior notice.
(A) Do not use corrosive liquids with this machine:
(B) The connected power supply type is consistent with the product nameplate
(C) Make sure the water level is higher than the coil
(D) The water level is higher than the top of the coil to avoid insufficient heat exchange.
In order to keep the equipment working properly, there must be a ventilation space of more than 50MM at the inlet and outlet of the equipment, and no debris, garbage, etc. are allowed to block the inlet and outlet.
Use Cases
Our cooling water circulation machines are used in key domestic laboratories and research institutes: South China University of Technology, University of Science and Technology of China, Southern University of Science and Technology, South China Normal University, Sun Yat-sen University, North China University of Water Resources and Electric Power. Huazhong University of Science and Technology, Shenzhen University, Institute of Physics, Chinese Academy of Sciences, Shaanxi Coal Mining Chemical Research Institute, Huawei Technologies Co., Ltd., Guangxi Normal University, Hunan University, Wuhan University of Technology, etc.
After-sales service
1. Product quality commitment:
(A) The manufacturing and testing of products have quality records and testing data.
(B) For product performance testing, we sincerely invite users to personally conduct a full-process and full-performance inspection of the product, and only pack and ship the product after it is confirmed to be qualified.
2. Product price commitment:
Under the same competitive conditions, our company sincerely offers you preferential prices without reducing the technical performance of the products or changing the product components.
3. Delivery date commitment:
(A) Product delivery time: According to user requirements. If there are special requirements and the product needs to be completed in advance, our company can specially organize production and installation to strive to meet user needs.
(B)When the product is delivered, our company will provide the following documents to the user;
①Instructions for purchased parts and manufacturer
② Provide a list of wearing parts and spare parts, and attach a certain amount of spare parts
After-sales service commitment
1. Service goal: Service quality wins customer satisfaction
2. The product warranty period is twelve months. During the warranty period, the supplier will repair and replace parts damaged due to quality reasons free of charge. For parts damaged outside the warranty period, the accessories provided will only be charged at cost. For equipment damage caused by human factors of the purchaser, the accessories repaired or provided by the supplier will be charged at cost price.