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Zhengzhou Changcheng Technology Industry and Trade Co., Ltd

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    zzcc8162@zzgwsit.cn

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    1119 Science Avenue, Shangjie District, Zhengzhou City

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Domestic experimental circulating cooler for easy cleaning

NegotiableUpdate on 01/18
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Overview

The experimental circulating cooler DL 249 is a cooling, constant temperature, and temperature increasing circulating cooler used to transport circulating heat carriers and provide a constant temperature source. The whole machine consists of a refrigeration system, a circulation system, and a control system

Product Details

Experimental circulating coolerDL 249


  Experimental circulating coolerDL 249Product Technical Features

This product is a circulating cooler that can cool down, maintain a constant temperature, and raise a temperature. It is used to transport circulating heat carriers and provide a constant temperature source; The whole machine consists of a refrigeration system, a circulation system, and a control system.

1. The refrigeration system consists of a compressor, condenser, evaporator, electronic expansion valve, and capillary tube.

2. Fully enclosed piston refrigeration compressor, with smooth operation, small size, low noise, and stronger reliability.

3. The condenser adopts microchannel condenser, which is compact in size, lightweight, and has higher heat transfer efficiency.

4. The throttling mechanism adopts a combination of electronic expansion valve and capillary tube, with high control accuracy, stability and reliability.

5. The evaporator is made of 06Cr19Ni10 seamless coil, effectively reducing the risk of leakage. The evaporator is installed in the liquid storage tank to prevent freezing and cracking.

6. The material of the liquid storage tank in the circulation system is 06Cr19Ni10, and a BLDC circulation pump is used to transport the heat carrier. The material of the circulation connection pipeline is silicone rubber, and the material of the circulation pump is PPE PK PA.

7. There is a liquid level display function that can monitor the liquid level of the heat carrier in the storage tank in real time.

8. The control system adopts a 4.3-inch touch screen, which is easy to operate and has temperature calibration function. PID algorithm is used to control the electronic expansion valve, and the temperature stability of the heat carrier can reach ± 0.5 ℃.

9. RS 485 communication, standard Modbus RTU protocol.

Experimental circulating coolerDL 249Product Parameter Table

model DL 249
*Output temperature range of heat carrier (℃) -20~40
Environmental temperature (℃) 5~35
Relative humidity of the environment (%) ≤ 70
power supply 220-240V~,50Hz
Temperature display mode digital
Temperature stability (℃) ±0.5
sensor Pt100
safety protection Delay, overheating, overcurrent protection, high voltage protection
Rated power (W) 1000
**Cooling capacity (W) @20℃ 1300
@10℃ 1150
@0℃ 900
refrigerant R404A
Liquid addition amount (L) 9
circulation pump Maximum flow rate (L/min) 23
Maximum pressure (bar) 1.2
Protection level IP20
pollution level Level 2
Heating medium outlet and return port G1/2
Connect the hose Silicone rubber hose: Φ 13 × Φ 9 mm
Material of storage tank 06Cr19Ni10
Overall dimensions (mm) W × D × H 300×480×630
Whole machine weight (kg) 38
*When the room temperature is above 15 ℃ and the equipment is unloaded, starting the circulation pump alone can raise the temperature of the heat carrier in the storage tank to 40 ℃.
**When the ambient temperature is 20 ℃.