Products

Solar Cooker

  • Date Added: Wednesday, 11 July 2012

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Two types of solar cookers

Type: Parabolic

A. The details of material used:

1. Stove surface: thin-typed cast-iron – 3mm

It is accurate in molding- not easy to damaged- easy to disassemble and transport.

2. The reflector: vacuum aluminum-plated

The reflecting capacity is strong, the heating efficiency is high and it’s convenient for repairing and changing.

3. Bracket: cast-iron

The framework of the principal axis of the cooker body is supported by the bar centre. It’s stable and reliable. It’s convenient to adjust at required angles.

In this kind of solar cooker you can boil water, stir-fry, deep-fry and so on. The solar energy is its fuel. It can be used to supply hot water or boiled water for tea. It also can be used to do the steamy disinfections with suitable steel wares.

B. The Countries where these type of solar cookers are in use

1. In Middle and Southern American countries

2. In many African countries especially in Kenya

3. Some countries of Oceania

4. India, Nepal & China

C. Working principle

We select and design the revolving parabolic sunlight-withholding surface by combining the “draw-making method of 3-circle” and the thin-typed founding techniques, which guarantees the sunlight from different height and angles can reflect and collect at the bottom of stove effectively. All rays from parabolic curve reflect and concentrate at the ring where pot is placed. As the solar energy is clean and environmental-protected, the cooked food is not only delicious taste and beautiful seeing, but also is good for health. Invest once and you can get the long-term benefit.

D. Other Instructions

1-      As the temperature of the bright spot is very high, pay special attention not to let the bright spot move to human body or other objects to avoid body damage or setting fire on other objects.

2-      The solar cooker should be set in a place exposed to the sun and sheltered from the wind, so that the strong wind couldn’t damage the oven.

3-      When the reflective membrane is covered by dust, don’t wipe it with dry cloth. You may clean it with a bit detergent and, then wash it with clean water.  Small amount of dust doesn’t influence the normal function.

4-      When the solar cooker is not in use, turn the cooker’s back towards the sunlight to extend the life time of the reflective membrane.

5-      Use the utensils or pots with black bottom.(it could be blackened by black ink or smoke) to enhance the effect of absorbing heat.

6-      When heating water, be careful not to fill water to the top in order to avoid overflowing.

7-      The empty pot should not be placed on the solar cooker; otherwise the empty pot’s bottom will burnt out.

8-      The flammable objects, such as firewood or fuel, are forbidden to be placed around the solar oven to prevent fires accidents.

9-      During usage, children are forbidden to approach or shake the oven to avoid being burnt or injured.

10-   During usage, you should not look at the bright spot for a relative long time to protect the eyes from being injured.

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Solar Water Heater

  • Date Added: Wednesday, 11 July 2012

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S R S Water Heaters are assembled from the best imported components. Thanks to high tech vacuum tube technology which converts 98% of infra red rays of solar spectrum into heat energy, due to which we get hot water.

Capacity: The actual capacity of solar water heater depends on number of persons living in a home & utilization of hot water. In Pakistan an average adult uses about 35Lt of warm water.

 

SPACIFICATION OF S R S EVACUATED TUBE SOLAR WATER HEATER

 

1)      INNER TANK: 0.4~0.5mm SUS 2B stainless steel

2)      OUTER WATER TANK: Rust Free Color steel (PVDF)

3)      INSULATION: Polyurethane foam (thinkess:50~55mm)

4)      EVACUATED TUBE: High-quality borosilicate glass

5)      BRACKETS: Imported zinc-coated steel with spraying (thickness:1.2mm)

6)      REFLECTING ANGLE: 38 – 45 degrees

7)      TEMPERATURE (SUNNY DAY): 40-96 °C/day

 

Life of System: 15 years plus

Pay Back Period:

With today’s tariff the pay back period of SRS Solar Water Heater is within 18 months. After which one can enjoy free hot water for rest of product’s life.

 

Types of Solar Water Heater:

 

1) Non Pressurized System:

If the flow in house is gravity based then non pressure solar water heating system is installed. The heating process takes place in a vacuum tubes collector, after which the hot water is stored in a well insulated water tank above the vacuum tubes. The hot water is obtained from the hot storage tank by connecting it to hot water pipe line. It consists of following main parts:

1)    Solar collector, either flat plate or evacuated collectors

2)    Insolated Water Tank

3)    Stand bye Electric Back up (In Advance Model)

4)    Digital Control (In Advance Model)

Solar water heater

2) Pressurized Water Heater System:

If there is pump installed in the water lines of a home to get water from taps with pressure then pressurized solar water heater is used for hot water. It has a cupper pipe inside hot water storage tank. In non pressure solar water is used for pressurized lines then hot water will mix with cold water in storage tank and therefore will not deliver hot water. In pressurized system the storage tank water does not mix with the hot water required by the user. The water in cupper coil is heated due to heat exchange between fresh water coming in the coil and the hot water stored in the insulated tank.

 

As shown in previous figure the water in the tank will be heated by vacuum tubes. The heat from tank water will be transferred to the water inside the copper coil which will be connected to the hot water line.

2) Split Solar Water Heating System:

In this system the solar collectors are mounted on the roof top, while the hot water tank is placed near the load i.e feed water tank or outside bathroom. There is a copper coil inside the 300lt~1000lts water tank in which hot water circulates. It has a temperature sensor on the outlet of collectors. When water is heated in collector the sensor gives signal to controller which switches on the circulating pump and hence circulation of hot water starts. The cold water in tank is heated up with this circulating hot water in the copper coil heat exchanger.

If the distance between load and solar hot water is quite large than the split solar system is recommended. This system can also be used for pressurized taps.

All the systems are backed up by electric heater for cloudy days.

FAQ about solar water heaters can be obtained on request.

Warranty: One year full warranty on parts against any manufacturing fault.

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DAY LIGHT SOLUTIONS

  • Date Added: Wednesday, 11 July 2012

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SRS DAY LIGHT SOLUTIONS

BRING THE SUN INSIDE

SRS is striving to introduce new high tech energy efficient technologies in Pakistan. Now you can bring a cool sun into your rooms, lobby, production halls or class rooms. Why cool sun, because in doing so only sun light will be allowed to enter while its heat will be reflected outside. No or little electric power is required for these day light technologies. Other features are:

1-   No maintenance

2-   Easy to install

3-   Free natural day light

4-   Long warranties: 5 years

There are two technologies by which we can bring sun light in the room without using electricity:

1- Through Optic Fibres- OPTIC SUNLIGHT: This system allows you to get natural sunlight in every room through optic fibre cables which transport the light from receivers on the roof to the luminaries, that spreads the light inside. Through this system you get the perfect lighting experience where you work, learn and live.
A standard Optic Sunlight system consists of a receiver, a cabling of five-meter cables and six luminaries in the form of spotlights. The cabling can be replaced with longer versions, up to 20 meters. The luminaries can be replaced with other luminaries.

2-   Sun Pipe: In this technology there is a dome on the roof or on side of wall where sun light strikes. It collects light while reflect infra red radiation which produces heat. The light is carried to the required rooms through sun pipes which has reflecting inner surface. The light is dispersed in the room by diffusers available in different shapes.

Figure 1: Dome of sun pipe with Sun pipe

Figure 2: Diffusers in side lobby

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SOLAR STREET LIGHT 40W

  • Date Added: Friday, 29 June 2012
  • Solar

SOLAR STREET LIGHT 40W DC

Model SRS SSL 40 DC

Description Picture
1- Solar module: 150Wp or equivalent
2- Fully-sealed and maintenance-free lead-acid battery: 70AH/12V
3- Controller specially designed for solar street lamps: i) Protection against overcharge and over-discharge,
ii) light control and time control.
4- Light source: 40W DC high-efficiency energy-saving SRS Durable Lamp
5- Lamp post: 6 to 8 meters, over striking and thickening, hot galvanization
6- Illumination: 3200Lm.
(Can replace mercury lamp of 150W)
7- Fully charged lamps may work 6 to 8
hours a day (adjustable)
8- Applicable temperature: -40 to 50°C
9- Wind-proof capacity: 150M/H

SOLAR STREET LIGHT 80W AC

Model SRS SSL 80 AC

Description Picture

1- Solar module: 360Wp or equivalent
2- Fully-sealed and maintenance-free lead-acid battery: 130AH/12V
3- Controller specially designed for solar street lamps: i) Protection against overcharge and over-discharge, ii) light control and time control.

4- DC to AC Inverter with relay 300W or equivalent
4- Light source: 80W AC high-efficiency energy-saving SRS Durable Induction Lamp

5- Lamp post: 6 to 8 meters, over striking and thickening, hot galvanization
6- Illumination: 3200Lm.

(Can replace mercury lamp of 250W)

7- Fully charged lamps may work 6 to 8 hours a day (adjustable)

8- Applicable temperature: -40 to 50°C
9- Wind-proof capacity: 150M/H


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Solar Panel

  • Date Added: Monday, 13 December 2010

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A solar panel (also solar module, photovoltaic module or photovoltaic panel) is a packaged, connected assembly of photovoltaic cells. The solar panel can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each panel is rated by its DC output power under standard test conditions, and typically ranges from 100 to 450 watts.

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Testimonials

  • We are really glad to see the outcome of the installation at Unilever,  perhaps it is build up of new era in Pakistan w.r.t. Alternate Energy. It is hoped...

    Mian Rashid Mahmood, US Denim Mills (pvt) Ltd
  • Mr. Ibrahim Khan of SRS Energy Solution Provider,  whom I personally find him the best among other participants in terms of providing a better Energy...

    Zafar Iqbal
  • SRS was quite pleasant. The folks who came out knew their business. They took a look at my dwelling and my...

    Usman Riaz
  • One of the nicer aspect of solar systems is that there is very little maintenance required. Once a month...

    Numair Imran
  • After solar, my lowest electric bill was Rs.0

    Majid Shafiq

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