The industrial solar water heater system operates on the principle of selective surface absorption. The specially designed surface of the collector absorbs solar radiation and efficiently transfers the heat to the water flowing through the copper tubes. As the hot water, heated by the industrial solar water heater, is less dense, it rises to the insulated storage tank, and an equal volume of cold water replaces it in the copper tubes. With a solar water heater for industrial use, it is possible to achieve temperatures up to a maximum of 95 degrees Celsius. Industries such as Textile, Hospitality, Rubber, and Dairy sectors already utilize boilers for steam generation. The hot water from the solar system can be used as preheated water for these boilers, resulting in significant fuel savings of up to 30% to 40% on daily consumption of conventional fuels like LPG, Diesel, and Firewood.
Technical Specification
| Coating properties | Absorptive 0.96 + 0.02, Emissivity – 0.18 + 0.05 |
| Fin & Tube Bonding | Ultrasonic / Laser welding |
| Header & Raiser Bonding | Brazing |
| Box-Material | Extruded Aluminum sections of 100mm x 25mm x 1.4mm thick with power coating |
| Retainer Angle for Glass | Extruded aluminum key 25mm x 10mm x 1.4mm thick |
| Glassing | Toughened glass, Thickness 4mm with low Iron Transitivity> 86% @ near normal incidence |
| Gaskets and Grommets | High quality EPDM special shaped full Gaskets and Grommets |
| Beading on glass / Gaskets | EPDM rubber |
| Collector Insulation | Fiberglass insulation@ 48Kg/M³ density. |
| Back & Corner sealing | Non-Acidic Silicon sealant through corners and screw joint |
| Reflector | Aluminum foil of 0.1mm thickness |
| Absorber area | 2.0 M2 |
| Collector Size | 2030mm x 1030mm x 100mm |
| Collector area | 2.03 M2 |
| Flanges | Brass forged and machined flanges of 63 mm dia and 4mm thick with 4 No's. 6 dia holes |
Insulated Storage Tank
| Inner Tank Material | Stainless Steel |
| Outer Tank Material | Aluminum Cladding |
| Tank Capacity | Customized to Customer Requirement |
| Inlet/Outlet Pipe | Stainless Steel |
| Tank Welding | Tig Welding |
| Filler Material | Stainless Steel |
| Thermal Insulation | Rock Wool |
| Heat Retention | 72 hours |
Savings at Glance
| Description | Calorific Value (kcal/ Kg) | Cost of Fuel in Rs | Pay Back Period |
| LPG | 10882 | 61.00 / Kg | 16 months |
| Diesel | 10004 | 37.00 / Lit | 24 months |
| Firewood | 3600 | 3.00 / Kg | 30 months |
Application
1. Textile Industry
2. Coir Board Industry
3. Dairy Industry
4. Rubber Industry
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