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Ammonia Absorption Refrigeration Unit
Ammonia Water Absorption Refrigeration Unit
  • Ammonia Water Absorption Refrigeration Unit
  • Ammonia Water Absorption Refrigeration Unit
  • Ammonia Water Absorption Refrigeration Unit
  • Ammonia Water Absorption Refrigeration Unit

Ammonia Water Absorption Refrigeration Unit

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  • Features
  • Technical Data
  • Application
  • Certification
  • Part List
  • Reference
Features:
1. Energy saving, low-grade energy such as steam, hot water or exhaust gas can be used as the driving heat source;
2. Power saving
3. Environmental protection
4. Simple structure, strong reliability and long service life
5. Low noise, can be installed in the open air, thereby reducing construction costs
6. The cooling capacity of a single unit can be very large, suitable for the development of centralized cooling
7. There is no lubricating oil in the system, which is helpful to keep the heat transfer surface clean and enhance heat transfer
8. Large refrigeration range: with ammonia as the refrigerant, the evaporation temperature can range from 10℃ to -60℃, and multiple evaporation temperatures can be achieved on one unit
9. Stable operation, simple operation, easy to adjust: When it is in the range of 10%~100%, the economic performance of the device is always stable, except for the pump, there are no other running parts, easy to maintain and manage
These products are all non-standard products. According to the situation of waste heat, the power of the ammonia absorption unit is designed. The driving source is a heat source.

Product selection advice:

Working condition

Air conditioning (0℃ evaporation)

Standard (-15℃ evaporation)

Ice making (-20~-30℃ evaporation)

Heat source and requirements

Temperature

Flow / Unit cooling capacity

Temperature

Flow / Unit cooling capacity

Temperature

Flow / Unit cooling capacity

Saturated Vapor

≥120℃

45kg/h

≥140℃

50kg/h

≥160℃

55kg/h

Hot water

≥140℃

1.5m3/h

≥160℃

1.6m3/h

≥180℃

1.8m3/h

Flue gas

＞200℃

1000m3/h

＞220℃

1100m3/h

＞240℃

1200m3/h

Note:

  1. The unit cooling capacity is 10,000 kcal/hour;
  2. 2. The cooling water inlet temperature is 32℃;
  3. 3. The heat source flow rate is calculated according to the hot water utilization temperature difference of 15℃ and the flue gas utilization temperature difference of 140℃. The utilization temperature difference and the heat source flow rate can be approximated Proportional increase/decrease


Design parameters:
Ammonia water absorption chiller is a non-standard equipment, users need to provide the following parameters when ordering:

Heat source parameters

Steam: pressure, temperature, flow

Hot water: temperature, flow

Exhaust gas: temperature, standard flow rate, source, impurity content

Evaporation temperature

If multiple evaporating temperatures are provided on one unit, please indicate the ammonia flow or cooling capacity required for each evaporating temperature

Cooling water

Primary water inlet unit temperature and flow rate; existing cooling tower processing capacity, inlet and outlet temperatures;
If you need a new cooling tower, please provide the water source temperature and local meteorological data; it is best to inject soft water at one time during closed circulation (applicable to circulating water)

Note:

  1. The power supply of the unit is three-phase four-wire 380v, 50Hz, and the specifications of the power line must meet the power distribution requirements of the unit;
  2. The power line and control line sent to the unit should be laid separately, and the user leads to the unit under the electrical control cabinet for control The company is responsible for the wiring in the cabinet;
  3. The unit and all electrical equipment are provided by the user with reliable grounding, the grounding resistance is less than 10 ohms;
  4. The user must provide a site that meets the installation of the unit, and do a good job according to the design requirements.

Reference

Refrigeration Unit for Chinese institute of Thermophysics
Evaporation temperature:-25℃

350kw refrigeration unit for Chinese steel plant.
Evaporation temperature:2~-18℃

 

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