Dutch teenager invents solar energy marine recycling ship
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Bojan Slater


The main body of the project is a clean recycling ship shaped like an arrow


Floating gates on both sides, powered by solar energy and tidal energy

The growing pollution of our planet—especially in the oceans—has become one of the most pressing environmental issues. Human activity has led to massive accumulation of plastic waste in marine environments, endangering marine life and even posing risks to human activities such as shipping and food safety. In response, a 19-year-old Dutch student named Bojan Slater has developed an innovative solution: a massive ocean garbage collector designed to clean up 20 billion tons of plastic waste within five years. Slater, from Delft University of Technology, has been working on this project since 2012. His concept involves a fleet of clean recycling ships equipped with floating barriers that resemble an arrow shape. These vessels are designed to intercept plastic debris on the water's surface, guiding it toward collection points on either side of the ship. The collected waste is then stored at the rear of the vessel for later processing. The floating gates are made from durable materials that allow them to float easily without breaking. Importantly, these structures have no mesh, allowing marine life such as plankton and fish to pass through safely. This design ensures minimal disruption to the ocean ecosystem while maximizing waste collection efficiency. Unlike traditional cleanup methods, which often require large investments and limited results, Slater’s project aims for long-term sustainability. The ships are powered by renewable energy sources like solar and tidal power, making them self-sufficient and significantly reducing operating costs. In fact, the project could generate up to $500 million annually by selling recycled plastics. On his personal website, Slater shared his vision: “Although this idea hasn’t been fully tested yet, I believe that if these clean ships are deployed across the world’s oceans and left to drift naturally, they could remove most of the plastic waste in just five years.” He also encourages people to focus more on recycling and reducing plastic use in daily life. With this groundbreaking project, Slater has already received numerous innovation awards. He has also launched the “Ocean Cleanup Fund” and is actively seeking partners to help bring his vision to life. Through collaboration and innovation, he hopes to make a real difference in protecting our oceans for future generations.

Rod Seals

1. Components of piston rod seal:

Polyurethane, polyformaldehyde, rubber

2. Purpose and function of piston rod seal:

The rod seal belongs to the dynamic seal. It is the seal that moves with the piston rod. It is one of the important components on the hydraulic support.

3. Use position of piston rod seal:

Guide sleeve, piston

4. Working principle of piston rod seal:

It is used at the contact part between the guide sleeve and the outer cylinder to seal the emulsion in the outer cylinder.

5. What effects will be caused by improper use or operation of piston rod seal:

1. Improper selection of cavity support material will wear the cavity and piston rod.

2. The size of the friction pair is inappropriate, causing wear.

3. Improper thread guide angle of cylinder barrel and piston end wear the sealing ring.

4. The seal ring is worn due to improper installation guide angle of the seal.

5. The surface of cavity and piston rod is rough, with scratches and worn seals.

6. The outer cylinder leaks and the jack does not maintain pressure.

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DG Zhongxingshun Sealing Products Factory , https://www.zxs-seal.com