Description
CORE TECHNOLOGY
DAMA: The core technology of IDEcool is the next-generation DAMA heat exchanger. DAMA stands for ’Dry Air and Moist Air’. The DAMA heat exchanger is a cross-flow, plate-type polymeric exchanger. Warm, primary air flows in enclosed channels and gives up its heat to water films flowing down the other side of the polymeric plates. A secondary air stream flowing in the direction opposite to the water evaporates water before it is exhausted outside. Thus, the primary air is cooled without any moisture addition.
Features & Benifits
- No moisture added during stage 1(sensible cooling stage).Hence,works Better during rainy weather.
- IDEC Technology delivers 5 Deg.C more Cooling and adds 60% less moisture than DEC.
- Area Cooled:1000-1200 Sq. Ft.
- 60-80 % lower energy consumption as compared to conventional air conditioning systems
- 100 percent fresh, clean, cool air
- Creates more comfortable conditions for employees and processes
- Eco-friendly: no CFCs (chlorofluorocarbons) involved, thus helping reduce GHGs (greenhouse gases); zero ODP (Ozone Depletion Potential)
- An excellent upgrade over Air washer and Ventillation Systems.
- Prevents solvent evaporation under controlled temperature conditions in print and packaging industry and in paint shops
- Excellent Indoor Air Quality (IAQ) and no Sick Building Syndrome (SBS) .It increases productivity.
Specification of IDECool 4
| Description | Details |
|---|---|
| Model- Type | IDECool 4 |
| Construction | Single skin 4mm thick Aluminum Composite Panels(ACP) appliance white, framed in a 30x 30 mm extruded aluminum structure and GI base frame. |
| Air flow Machine Outlet- in CFM/CMH | 4000 / 6800 |
| Area cooled (sq feet) | 800 – 1000 |
| Available external static pressure in mm of Wg | 5 |
| Type of Blower | Backward Curve belt driven fan |
| Blower motor connected load kW | 1.5 kW |
| Blower motor consumption load kW | 1.37 kW |
| 10 Filtration | HDPE mesh of 60microns will be used behind the Louvers |
| Pump | 2 nos. submersible, 50watts single phase pump. |
| Dimensions W x L x H (mm) | 1100x1900x(1450+150) |
| Unit operating Weight in Kg | 350 |
| Power supply | Three Phase 415V,50Hz.with connected load of 1.6kW. |
| Controller | Microcontroller with corded remote controller (20 m wire length) |
| RH control available | Yes manual RH control available |
| Additional features available on request. | |
| Single phase power supply | Available on request |
| Variable frequency drive. | |
| Auto drain system. | |
| Differential pressure for air filters | |
| Auto bleed-off facility | |
| UV unit for tank water | |
OVERVIEW
Payback Period
| TYPE | IDECOOL4 | Air Conditioner |
|---|---|---|
| Capacity | 4000 CFM | 2 TON |
| Power | 1.5 kW | 2.0 Kw |
| Covered Area | 800 sqft | 800 sqft |
| Air Changes Per Hour | 30 | 30 |
| No. of Machine Required | 1 | 4 |
| Total kW | 1.5 | 8 |
| Electricity Unit Consumption per year (10 hrs, 300 days) | 4500 kw | 24,000 kw |
| Total Electricity Cost (in Rs.)(Assuming Rate @ Rs 8/Unit) | Rs. 36,000 /- | Rs. 1,92,000 /- |
| Saving on Electricity Cost per year ( in Rs.) | Rs. 1,56,000/- | Nil |
| Running Cost Saving (%) | 81% | NIL |
| PAYBACK PERIOD | 11 Months |
Evaporative Cooling Types
Direct evaporative cooling (Single Stage Cooling)
Indirect evaporative cooling
With direct evaporative cooling, outside air is blown through a water-saturated medium (usually cellulose -Honey comb cooling pads) and cooled by evaporation. The cooled air is circulated by a blower.
Direct evaporative cooling adds moisture to the air stream until the air stream is close to saturation. The dry bulb temperature* is reduced, while the wet bulb temperature** stays the same.
*dry bulb: Sensible air temperature (as measured by a Thermometer).
**wet bulb: The lowest air temperature achievable by evaporative Air Cooilng System.
In Indirect evaporative cooling Hot Air and water travel in different channels and do not come directly in contact with each other, hence the name Indirect Evaporative Cooling.
In IEC, warm primary air cools by losing its heat to a thin water film on the other side of a conducting surface. Another air stream called Secondary or Scavenging air moves upward through the falling water and evaporates this water, thereby, converting most of the sensible heat into latent heat, before it is exhausted to the outside. Thus, the primary air is cooled without coming in contact with the water stream. Hence, IEC reduces the dry bulb temperature, wet-bulb temperature, and the enthalpy of the primary air without adding any moisture to it.
Indirect-direct evaporative cooling ( Two Stage Cooling )
In Indirect Evaporative cooling, the primary air is cooled without coming in contact with water. Hence in first stage air is cooled without adding any moisture to it and then cooled further in the second stage with the direct evaporative cooling process with extra reduction of 5 Degree c
Temperature reduction achievable using indirect/direct evaporative cooling
First, calculate the dry bulb and wet bulb temperatures achievable with indirect evaporative cooling:
1. Temp drop achievable = (dry bulb – wet bulb ) x (efficiency of indirect module)
Example: (42 degrees C- 23.5degrees C) x .7 = 13 degreesC.
2. Achievable temp = dry bulb – temp drop achievable
Example: 42 degrees – 13 degrees = 29 degrees DB/19.5 degrees WB.
3. Starting DB: 42 degrees
Ending DB: 29 degrees
Then use the dry bulb/wet bulb values from step 3 to calculate the dry bulb/wet bulb temperatures achievable with direct evaporative cooling:
4. Temp drop achievable: (dry bulb – wet bulb ) x (efficiency of the media)
Example: (29 degrees – 19.5 degrees) x .9 = 8.6 degreesC.
5. Achievable temp = dry bulb – temp drop achievable
Example: 29 degrees – 8.6 degrees = 20.4 degrees DB/19.5 degrees WB.
6. Total temperature reduction using indirect/direct evaporative cooling:
Starting DB: 42 degrees C
Ending DB: 20.4 degrees C
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