Always believing in new developments & changes for positive purpose, the sunray may have various characteristics like
Manufactured and fabricated from high grade of material under qualified engineers’ inspection at its own factory.
The Evacuated glass tube solar system is more efficient than flat plat solar collector because of its round shape, as the sunrays falls perpendicular any time, so the Evacuated glass tube solar system get the temperature faster than flat plat collector, and because of vacuum between the tubes, the heat loss during the cold night is very low than flat plat collector, so this system maintain the temperature overnight.
Key Technical Details for System Installation
Require Area
3.5 Sq meters / 100 liters,
Bright sunshine is necessary between 9 a.m. & 4 p.m. to get optimum results.
Ideal Water: Less than 150-ppm total hardness.
Roof Loading Requirements
45 kg/ 125 liter system over 4 Sq. meter area, 1200 kg/ 1000 liters of storage tank, spread over 28 Sq. meters area 2600 Kg / 2000 liters of storage tank, spread over 70 Sq. meters.
Over Head Tank – The Minimum Height
Domestic Systems: 1.5 Mtr. From bottom of the tank.
Industrial Systems: 3 Mtr. From bottom of the tank.
Temperature Range: 60 c to 85 c. (Depends upon availability of solar radiations)
The Capacity
Domestic: 25 liters/day/person.
Industrial: 500-3000 liters / day thermosyphon, 3000 liters / day to any capacity – Forced flow.
Usage
Bathing
Washing and Cleaning
Boiler feed
Industrial canteens
Industrial processing
Swimming pool heating etc.
Hospitals, hostels, hotels, etc…
Key Technical Details for Vacuum Tube
| Outer tube diameter |
47 mm |
| Inner tube diameter |
37 mm |
| Tube Length |
1500 / 1800mm |
| Glass thickness |
1.6 mm |
| Material |
borosilicate 3.3 glass |
| Absorptive coating |
graded AL-N/AL |
| Vacuum |
<5*10-3Pa |
| Absorptance |
>92%(Am1.5) |
| Emittance |
<8%(80ºC) |
| Thermal expansion |
3.3*10-6ºC |
| Stagnation temperature |
>200ºC |
| Heat loss |
<0.8w/sqm |
| Maximum strength |
0.8MPa |
Calculation of Energy & Amount Saved On ETC
1 person = 1 bucket of hot water (Minimum) (about 20 liter) per day (600C)
1 bucket of hot water = 1 unit (minimum) of electricity = 1 KWh = Rs. 4.50
So, 5 persons = 5 unit per day = 5 x Rs.4.50/- = Rs. 22.5/- per day
Savings after 1 year = 345days x Rs.22.5/- = Rs.7760/- per year
(Below results are achieved by various practicals and testings done by us. Results may alter at different conditions, so no guarantee for above figures)
| Capacity In LPD(Properties) |
125 |
150 |
2000 |
3000 |
| Cold Water Temperature |
250C |
250C |
250C |
250C |
| Hot Water Temperature |
700C |
700C |
700C |
700C |
| Difference In Temperature |
450C |
450C |
450C |
450C |
| Energy From Sunray Solar Heater (Capacity x Temp Difference)(K. Cal.) |
5625 |
6750 |
90000 |
135000 |
| Electricity Saved Per Day By Sunray |
6.5 |
8 |
105 |
156 |
| Annual Saving Of Electricity(Rs 4/Unit) 345 Days |
Rs. 8970 |
Rs. 11000 |
Rs. 145000 |
Rs. 215000 |
| After 10 Years Total Saving |
Rs. 89700 |
Rs. 110000 |
Rs. 1450000 |
Rs. 2150000 |
|
