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Solar water heating systems use heat exchangers to transfer solar energy absorbed in solar collectors to the liquid or air used to heat water or a space.
Heat exchangers can be made of steel, copper, bronze, stainless steel, aluminum, or cast iron. Solar heating systems usually use copper, because it is a good thermal conductor and has greater resistance to corrosion.
Solar water heating systems use three types of heat exchangers:
Heat Exchanger Designs
• Coil-in-tank
The heat exchanger is a coil of tubing in the storage tank. It can be a single tube (single-wall heat exchanger) or the thickness of two tubes (double-wall heat exchanger). A less efficient alternative is to place the coil on the outside of the collector tank with a cover of insulation.
• Shell-and-tube
The heat exchanger is separate from (external to) the storage tank. It has two separate fluid loops inside a case or shell. The fluids flow in opposite directions to each other through the heat exchanger, maximizing heat transfer. In one loop, the fluid to be heated (such as potable water) circulates through the inner tubes. In the second loop, the heat-transfer fluid flows between the shell and the tubes of water. The tubes and shell should be made of the same material. When the collector or heat-transfer fluid is toxic, double-wall tubes are used, and a non-toxic intermediary transfer fluid is placed between the outer and inner walls of the tubes.
• Tube-in-tube
In this very efficient design, the tubes of water and the heat-transfer fluid are in direct thermal contact with each other. The water and the heat-transfer fluid flow in opposite directions to each other. This type of heat exchanger has two loops similar to those described in the shell-and-tube heat exchanger.
Sizing
A heat exchanger must be sized correctly to be effective. There are many factors to consider for proper sizing, including the following:
• Type of heat exchanger
• Characteristics of the heat-transfer fluid (specific heat, viscosity, and density)
• Flow rate
• Inlet and outlet temperatures for each fluid.
Heat Exchangers For Solar Water Heater
Bikalpa Shakti Is Authorised Distributor Of Solar Lantern.
We make available Solar Lanterns which are easy-to-operate and have the long service life. There are many places in the country that receive electricity only for a few hours in a day, and then there are some that do not get electricity at all. In many parts of the country, kerosene is still used as fuel to generate light during emergency. Burning of kerosene not only causes air pollution but also has potential to cause a lot of disastrous health effects. In recent years many innovators have come out with solar powered-LED based emergency lighting solutions that provide a great alternative to the old form of emergency lighting.
Portable, efficient and reliable lighting device.
Light weight and easy to operate.
Available in ABS plastic housing.
6 to 15 hours of operation under STC depending upon Models.
Suitable for indoor as well as outdoor usage.
Models with CFL and LEDs available.
Locate Us: https://goo.gl/cmKAxQ
Solar Lantern
Solar Hot Water Systems have been performing faithfully for over 20 years – and with the newest technology in design and manufacturing, your Solar Water Heater will be trouble-free for years to come.
Solar Water Systems are the best choice for your Residential or Commercial hot water needs:
Most efficient: Honeywell offers the highest rated collectors in the industry! We invite you to compare our BTU ratings to others as published by the industry’s certification specialists.
Warranty: Collectors are warranted for five years
Design: Collectors are sleek and attractive and work on any type of roofing material. Honeywell uses insulated piping and extra-thick PUF (Polyurethane foam with special agent CFC-245) insulation around storage tanks to maximize your heater’s efficiency.
30+ Years Experience: Honeywell’s Collectors are produced by one of the world’s largest solar manufacturers, with more than 30 years of continuing technological & warranty excellence.
Honeywell Solar Water Heater (Flat Plate)
Honeywell Bringing Solar Energy To Every Home With Cost And Energy Savings Like Never Before.
The evacuated tube is a product which has been optimised in terms of geometry and performance. Evacuated tubes consist of two concentric glass tubes which are sealed in a semi-circular shape on one side and are joined to one another on the other side. The space between the tubes is evacuated and then hermetically sealed (evacuated insulation).
To use solar energy, the internal glass tube is coated with an environmentally friendly, highly selective layer on the outside, thus turning it into an absorber. This coating is thus protected in the vacuum cavity. The aluminium nitrite sputter coating used is characterised by extremely low emissions and excellent absorption.
Why This ???
Minimum Heat Loss, The inside part of the tube is surrounded by vacuum to prevent any wasted energy, and it can keep the water temperature efficiently.
Tripple Layered Evacuated Tube, There are 3 layers on the tube to maximize the UV and sun heat absorption.
Efficient, The rounded shape tube is easily adjust with the sunlight directions along the day.
Specifications of Evacuated Glass Tubes:
Material of Glass :- Borosilicate Glass
Length :- 1800 mm and 2100 mm
Outer diameter :- 58 mm
Inner diameter :- 47 mm
Thickness of Glass Tube :- Outer tube thickness: 1.8 mm, inner tube thickness: 1.6 mm
Selective coating type :- AIN/AIN-SS/CU – Sputtering
Value of absorptance and emittance of the black coating :- Absorptance: α ≥ 93.5%, Emission rate: ε ≤ 5%
Vacuum rate :- P ≤ 5.0×10-4Pa
Recommended operating pressure :- 0.2 Kg/sq. cm.
Stagnation Parameter :- Y ≥ 290 M² °C/KW
Coefficient of Thermal Expansion :- 3.3×10-6/k
Honeywell Solar Water Heater Evacuated Tube
New Integrated Solar led Street Light is an extremely versatile and robust solar parking lot light, it is perfect for all kind of weather conditions. Installation is straightforward; only 4 bolts need to be tightened onto a pole (pole not included). The unit can also be wall mounted.
The all-in-one LED solar street light is perfect for retrofitting old electric powered fixture or new installations.
This design is to put high efficiency mono crystalline silicon solar panel, LED lamps, long life Lithium battery and controller all in one box.
Self-contained solution - Light on/off controlled by automatic daylight sensing or hour preset, no running cost.
Better light source - LED lights feature cool white light without flickering and higher brightness than sodium lights.
The System Is Dust Proof, Waterproof And Rustproof.
The majority of people prefer all in one solar street lights compared to split type solar street lights. It is cheaper, installation is faster, costs less to repair and have a longer service life.
INTEGRATED ALL IN ONE SOLAR LED STREET LIGHT
Bikalpa Shakti Is Authorised Distributor Of Honeywell Solar Water Heater As Well As works on the entire projects Installation, And Annual Maintenance of the Product.
We accomplish this by virtue of our team of the most experienced and highly skilled employees. Our professional workforce focuses on the design and construction of each individual project - right down to the smallest of details.
Solar Water Heater AMC
If you have already installed Solar Water Heating System and having any problem in services like repair, maintenance and AMC.
Covered in AMC:
Three Regular/Complementary Services will be provided. 1) Beginning of winter: Internal Cleaning/Anti-scaling Cleaning and testing. 2) Mid of winter: Cleaning/Anti-scaling Cleaning and testing. 3) End of winter: Drain and closing of system.
Chocking of Solar Collector or tube and internal Cleaning of the system.
Any leakage from Gasket, Rubber Washer after Cold Water inlet and before hot water outlet of Solar Water Heater.
Any type of Complaint will be attended in 24 working hours within the region.
Not Covered in AMC:
Breakable or any damage due to natural disasters does not cover in AMC.
Shifting of the system or complaint raised without any technical issue will be chargeable.
Hot Water Inner Tank, Collector Absorber; Electrical Heater does not cover in AMC.
Any type of spare parts (Broken or replaceable) required at the time of AMC will be charged extra.
N.B: This AMC will be applicable for running system only. The AMC does not cover any type of manufacturing defects warranty/gyarenty
We Work In Bhubaneswar, Cuttack, Khorda, Puri, Dhenkanal, Anugul, Sambalpur, Jharsuguda, Rourkela, Maurbhanj, Baleswar, Bhadrak, Jajpur, Kendrapara, Jagatsinghpur, Nayagarh, Koraput, Jeypore, Malkangiri, Balangir, Bhawanipatna, Bargarh, Nabrangpur, Sonpur, Sundargarh, Deogarh, Kandhamal, Fulbani, Ganjam, Berehmpur, Rayagada, Gajapati Dist.
Solar Water Heater Installation And Maintenance
Off-grid solar electricity is for homes that do not have access to grid electricity - i.e. the house cannot be or chooses not to be supplied electricity from a power company. These systems offer complete autonomy and independence from the national grid and power companies, meaning you never have an electricity bill.
Simply sun shines on solar PV panels on your roof or mounted near your house. These panels generate electricity which is used to power your home and charge your batteries. The batteries allow you to store electricity for use at night or times of low production like cloudy days.
Solar PV panels mounted on your roof or near your house capture energy from the sun and convert this energy into DC electricity
A Solar Inverter converts this DC electricity into 230V AC electricity.
The main switchboard takes electricity from the solar inverter or battery inverter and sends it to power your home.
The battery inverter is two way and can take surplus electricity from the main switchboard and convert it into DC electricity to be stored in batteries or demand is their convert stored DC electricity from the batteries into AC electricity to power your house.
Off-grid Solar System
As light hits the solar panels, the solar radiation is converted into direct current electricity (DC). The direct current flows from the panels and is converted into alternating current (AC) used by local electric utilities. Finally, the electricity travels through transformers, and the voltage is boosted for delivery onto the transmission lines so local electric utilities can distribute the electricity to homes and businesses.
Grid-tie Solar System
A photovoltaic (PV) module is a packaged; connect assembly of typically 6x10 photovoltaic solar cells. Photovoltaic modules constitute the photovoltaic array of a photovoltaic system that generates and supplies solar electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions (STC).
The solar power plant carries a linear power warranty for 25 years with 10% degradation in first 10 years and another 10% degradation on next fifteen years. Warranty against any manufacturing defects, as per existing warranty policy. Solar photovoltaic modules carry a performance warranty against excess of 80.00% degradation in twenty five (25) years as per existing warranty.
SOLAR PV MODULE