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Adiabatic Systems
Each manufacturer of air conditioning and cooling units provides a calculation of
the efficiency of their facilities. It specifies what cooling power (KW/h) is provided by
the unit at a specific temperature of the air entering the system. The higher inlet
air temperature is, the higher the power consumption for the necessary cooling
capacity.
The average decrease of air temperature by 1°C improves the efficiency of air
conditioning and cooling units by 1.8%. That is, you need by 1.8% less energy to
achieve the desired temperature.
Due to the use of the adiabatic, pre-cooling misting system, the temperature of
the air entering air conditioning and cooling units drops by an average of 10 –
20°C. The result is energy savings of up to 30%.
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How it Works?
Adiabatic Technologies Overview
COOLING PRINCIPLE
Evaporative cooling takes advantage of the potential of the outside to absorb moisture, which results in a temperature reduction of the air stream. When evaporative cooling is used for pre-cooling condenser inlet air, the condenser operates at a lower temperature than a baseline air-cooled condenser, and needs less power demand and electricity to meet the cooling demand
Relative humidity is the amount
of moisture in the air compared to the
amount of moisture the air could absorb
at the same temperature, is a crucial factor
in determining cooling potential.
The lower the relative humidity,
the more water can be vaporized,
and the more heat can be removed.
Evaporative Cooling can be used effectively
in most geographical locations.
This is because when temperatures reach their peak during the day, humidity is normally at its lowest point.
In air conditioning systems, condensing units reject heat from refrigerant directly into the outside air stream.
In these systems, higher outside air temperatures result in higher energy use by the compressors.
As a result, as the outdoor air temperature rises, the efficiency of the air conditioning system drops and requires more energy to provide the same amount of cooling to the conditioned space.
To compound this issue, more space cooling is necessary on days when the outdoor air temperature is higher, due to the increased heat load on the building.
Applying water fogging system to air-cooled chillers can improve the efficiency under most of the working conditions, as the water mist could lower the air temperature entering the condenser.
Technical Specifications
How does the smart pre-cooling system work?
Our Pre-cooling system cools the air entering the Air-cooled chiller according to the following sequence:
The filtration system (consisting of three sub-systems of filters) provides high-quality water to the high pressure misting system, which is composed of a high pressure pump equipped with an intelligent control system and connected to humidity and temperature sensors, as this The system produces a high pressure mist (70-105 bar) with water droplets with a diameter of no more than 20 microns for rapid evaporation and cooling of the air, then the protective membranes system (consisting of high-efficiency membranes produced in the USA) catches the water droplets that have not evaporated where It absorbed and forms a cooling pads which enhances the evaporation process and protects the condenser from direct contact with water droplets and dust particles to ensure the best possible protection for the condenser and the highest efficiency of the pre-cooling system
The adiabatic precooling system include the following subsystems and components:
The High-Pressure Misting System
Our intelligent adiabatic system provides each chiller circuit with a separate and dedicated HP pump and misting circuit for each chiller circuit to increase pre-cooling system efficiency and reduce water consumption.
– System Components:
– High Pressure misting pumps
– Misting lines made of stainless-steel pipes ø9,6 mm,
– stainless steel nozzles on each chiller Size: 0.2
– Polyamide pipes
– Fittings & Accessories
– Stylish strong Aluminium brackets
Intelligent Control System
- Humidity & Temperature probe:
RS485 Modbus Water Proof Temperature Humidity Sensor Probe
Technical specifications:
Water proof and dust proof IP67
Power: DC5V~DC24V
Temperature Measuring Range: -30℃~80℃
Humidity Measuring Range: 0~100%RH
Measuring Precision:
Temperature:±0.5℃ (resolution: 0.1℃) / Humidity:±5%rh (resolution: 0.1 rh)
Output: RS485 (Protocol MODBUS RTU)
Consumption <0.1W
RS485 Communication distance: up to 800m / default cable length: 0.5m
- THE CONTROL SYSTEM:
(PLC) connected with temperature and RH sensors and with
the chiller’s control panel, which analyzes the performance of the cooler (load – and fan logarithm ) to operate the pre-cooling circuit as per-programmed operations modes, The controller analyses air humidity, air temperature and cooling equipment load, then processes this data to control the pumps for the correct mode.
The controller parameters can also be changed manually to allow for onsite calibration.
Protective Membrance
A high-quality polyester protective membrane
The protection membranes are installed in an aluminum frame so that it is easy to remove them when cleaning the condenser. Its purpose is to protect the condenser from direct exposure to water droplets and dust, as well as the absorption of non-evaporated water to act as cooling panels that increase the cooling process of the air entering the condenser
- Aluminium Structure
- 100% polyester construction
- Works as air filter to protect the chiller from dust and wet media
- Thicknesses: 1 inch
- Rigid construction
- Low resistance to air flow; reduces energy cost
- Fibres are unaffected by water
- Safe to handle; no fiberglass or sharp edges
- Bi-directional air flow; installs either side out
- High dust retention (80-90% dust retention)
- Flame retardant/self-extinguishing!
- Flame retardant UL Class II – self-extinguishing FMVSS302 Certified
- Easy to remove for chiller cleaning
- Made in USA
Water Treatment Systems
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1- Limescale Electronic filter: Dropson new generation anti-scaling system
The Dropson anti-scale system uses an innovative technology that makes it a real ecological alternative to traditional salt water softeners.
The system has an advanced electronic antiscale technique that, together with calculation software, allows its use in different fields and applications.
Benefits:
It avoids limescale accumulation and reduces existing calcium carbonate
- Does not require maintenance or the addition of salt or other
- It does not produce any kind of rejection or
- Saves energy, improves installation performance.
- Takes up very little space, does not require a drain connection
- It does not modify the natural water Made In Denmark
- 2- kit for the water filtration (1 + 5 Micron) complete with pressure stabilizer, support bracket,
- 5 and 1mcr string-wound cartridges,
- connection hose, tightening spanner,
- and spare cartridges (5+5 pcs)Made In Italy
1- UV Water sterilizer
This is an electronic device that, eliminates bacteria, Legionella,
microorganisms in the water by using UV rays emitted at a particular wavelength.
In other words, the water sterilizer intensifies, multiplies, and replaces
the action of the solar beams that in nature are the best method of sterilization
SMART ADIABATIC SYSTEM KEY FEATURES
- Reducing the inlet air temperature -Precool ambient air- of the air entering the condensers to decrease compressor power and improve the chiller performance by applying high-pressure water mist
- Reducing gas pressure in the chiller gas circuit minimizes compressor load, increases COP, and reduces energy consumption.
- One dedicated Hp pump and misting line for each chiller circuit to increase the efficiency of the system and reduce the water consumption
- Water treatment system to protect the chiller from calcium (limescale), legionella, and mineral deposit
- Supplied with protective membrane panels to protect the condenser from direct exposure to water droplets, sun, and dust, as well as the absorption of non-evaporated water
- Modbus rs485 (BMS) communication protocols to enable the system to be connected and monitored by BMS
- Possibility of linking the system to cloud energy monitoring platforms to monitor the performance of the precooling system
- An Intelligent control system (PLC) connected with temperature and RH sensors and with the chiller’s control panel, which analyzes the performance of the cooler (load – gas pressure – temperature, and fan logarithm ) to operate the pre-cooling circuit and achieve the best efficiency
- The possibility of changing the control parameters manually to calibrate the system, which is designed to operate more efficiently and with the lowest possible water consumption