Alas, did you notice? Where did the big LED screens on the street that were no longer lit up? Today, let’s talk about this thing that even many veteran drivers are confused -​What should I do if I scrapped LED display screens?​? Don’t think that throwing the garbage dump is done just by throwing it away. There is a lot of knowledge here!

1. What kind of screen is considered scrapped? Have to figure out the situation first

"Is the screen at the entrance of my shopping mall sometimes light and not light up, is it considered scrapped?" This depends on three hard indicators:

1. ​​Light bead necrosis rate exceeds 30%​: Take a photo of a white screen with your mobile phone and enlarge it. If the dense black spots look like sesame cakes, you can basically be sentenced to "death penalty".
2. ​​It takes ten minutes to start​: Like an old computer, the screen was released after powering on half a day, which means the driver chip is almost unable to withstand it
3. ​​Repair fee exceeds 50% new screen​: Especially for old models, accessories have been discontinued long ago, changing a card is more expensive than buying a new screen

To give a real case: The P6 screen installed in a gymnasium in 2015 cost 800,000 yuan to repair it last year, but this year the screen was completely black. When I took it apart, I saw that the motherboard was burned with burnt smell!

2. Comparison of five major channels for scrapping treatment

"Can you sell it directly to a scrap collector?" Let's take a look at this comparison table before deciding:

Here is a cold knowledge:​Screen with CCC certification​The recycling price can be 15% higher because the dismantling process is more standardized. Last year, a hotel sold 20 yuan of rental screens to equipment manufacturers, but was held accountable for incomplete procedures and lost more than 100,000 yuan!

3. The dismantling process hides real money and silver

"Isn't it just smashing and selling scrap iron?" That's underestimating the technical content here! Professional recycling requires five levels:

1. ​​Data clearance off​: There may be customer information on the commercial screen, so it must be processed three times with demagnetization equipment.
2. ​Heavy metal separation​: The lead and mercury in the circuit board must be extracted using a vacuum melting furnace, and this equipment costs 3 million.
3. ​​Light bead sorting off​: The fully automatic sorting machine can divide red, green and blue lamp beads, and the best one can sell 80 cents per
4. ​​Framework Processing​: After the aluminum-magnesium alloy box is melted, it can be used as a new screen bracket, which makes 3 times more profitable than selling scrap aluminum
5. ​Environmental certification​: After processing, you must obtain the "Harmless Treatment Certificate", otherwise you will be deducted points for the next bidding

Tell me a secret of the industry:Old screens before 2018​Don't tear it yourself! The waterproof glue at that time contained benzene, and random disassembly would release toxic gases.

4. Don’t step on these pitfalls!

"What should you pay attention to when finding a recycling company?" Remember these three rules for saving lives:

• ​​Depending on qualifications​: You must have the "Electronic Waste Treatment Qualification Certificate" and the copy is stamped with a red seal
• ​Sign a contract​: The clause must state "harmless treatment", and it is best to agree on a liquidated damages
• ​​Follow the process​: Requires video recording and dismantling process, especially data destruction process

Last year, a shopping mall manager tried to save trouble and handed over 50 screens to an unqualified recycler. However, he was resold to a rural area as a chicken coop ceiling. He was found by the Environmental Protection Bureau following the GPS positioning and fined more than 200,000 yuan!

5. You can even create new tricks if you scrapped

"Can you just use waste screens as garbage?" Look at these brain-opening operations:

• ​​Reformed into an art wall​​: There is a park in Shenzhen that has spelled broken light beads into starry sky murals, becoming a check-in point for internet celebrities
• ​Made into teaching tools​: Buy it as a circuit board teaching aid in a vocational school, which is more intuitive than new equipment
• ​​R&D Test Platform​: Some manufacturers specialize in collecting scrap screens for extreme tests, such as minus 40-degree freezing screen experiments

The most amazing thing is an amusement park - the old floor tiles are spread on the ground of the haunted house. When people step on it, they will suddenly turn bloody handprints, which scares tourists to scream!

Editor's opinion

I have been in the display industry for more than ten years and have seen too many painful lessons about throwing scrap screens. Now the formal recycling channels are actually quite complete, such as finding​Companies that have passed ISO9001 certification​​, they have a complete process from detection to disassembly. Remember, a screen must be "elegant" from life to death. This is not only an environmental issue, but also a reflection of corporate social responsibility. Next time I see the black screen on the street, I might as well think about it - it may be waiting for a gorgeous rebirth!

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