Solar Cleaning

1. Deionized (DI) Water

• What is DI Water?
  Deionized water is water that has had its mineral ions (like calcium, magnesium, and sodium) removed through a deionization process. Unlike regular tap water, which can leave behind mineral deposits or spots when dried, DI water does not leave any residue, ensuring a streak-free and spot-free finish.

• Why Use DI Water?

  • Prevents Mineral Buildup: The absence of minerals in DI water helps avoid residue build-up on the surface of the solar panels. When ordinary tap water is used, minerals can remain on the panels once the water evaporates, which can reduce efficiency and even damage the surface over time.

  • Improved Cleaning Efficiency: DI water is purer and provides a better cleaning agent than tap water, allowing for more effective removal of dirt, dust, bird droppings, and other debris that accumulate on the solar panels.

2. Rotating Brush

• What is a Rotating Brush System?
  A rotating brush is a motorized cleaning tool with soft bristles that gently scrub the surface of the solar panels while spinning. The brush works in conjunction with the DI water, using the water as both a cleaning solution and a lubricant to avoid any scratching or damage to the panels.

• How Does It Work?

  • The rotating brush is moved across the surface of the solar panels, gently agitating the dirt and grime. The bristles are designed to be soft enough to not damage the solar panel surface or its protective coating.

  • As the brush rotates, the DI water is typically sprayed or applied to the surface, breaking down the dirt and helping to lift it away. The water helps carry away contaminants from the surface of the panels, ensuring that the brush does not just move dirt around but also removes it from the panels.

• Advantages of Using a Rotating Brush:

  • Gentle yet Effective: The rotating motion combined with soft bristles ensures a thorough cleaning without damaging the solar panels.

  • Time-Saving: The motorized action of the rotating brush allows for quicker cleaning, which is especially beneficial for large commercial installations or hard-to-reach areas.

  • Safety: Since there is no high-pressure water involved, the risk of damaging the panels or their seals is minimized.

The Process

1. Preparation: The area around the solar panels is cleared of obstacles, and the rotating brush and DI water system are set up.

2. Application of DI Water: DI water is sprayed onto the surface of the solar panels. This helps loosen the dirt and debris, making it easier to remove.

3. Brushing: The rotating brush is gently moved across the solar panel surface. The combination of the brush's action and DI water ensures that all dirt, grime, and debris are effectively removed.

4. Rinsing and Finishing: After brushing, the panels are rinsed with DI water to remove any leftover particles or dirt, leaving them clean and free of spots.

Benefits of This Method

• Eco-Friendly: Using DI water with a rotating brush system minimizes the need for chemicals or harsh cleaning agents, making it an environmentally-friendly option.

• Prevents Damage: Unlike high-pressure washing, which can damage solar panels or their seals, this method uses a gentle, non-invasive approach.

• Preserves Efficiency: Regular cleaning using DI water helps maintain the solar panels' maximum energy output by ensuring that dirt, debris, and other contaminants do not block sunlight.

Conclusion

Cleaning solar panels with DI water and a rotating brush is an excellent method for maintaining the panels’ efficiency and prolonging their lifespan. The combination of pure, residue-free water and a gentle, rotating action ensures a thorough yet safe cleaning process. This method is ideal for both residential and commercial solar panel systems.