#Industry ·2026-02-10
In the early morning of the industrial park, a silver-gray circuit board recycling device quietly starts up. The conveyor belt feeds pieces of waste mobile phone motherboards into the "jaws", and the knife head strips off the resin and metal at a speed of 3,000 revolutions per minute, as precisely as a surgeon. The workers watching no longer wear masks, because the device comes with negative pressure dust removal, and 0.3-micron dust is also locked in the filter. Ten years ago, coal-fired furnaces were used here to bake boards, with copper smoke and toxic fumes flying everywhere; now, the machine leaves the pollution in a sealed chamber and returns resources to the earth. Circuit boards are hailed as "urban mines", with one ton of boards containing 200 grams of gold and 130 kilograms of copper, as well as palladium, tin, and silver. If discarded randomly, heavy metals seep into the soil, and a single rice plant may accumulate ten times the standard amount of lead; if recycled scientifically, it can reduce carbon emissions by 76%, equivalent to planting 10,000 spruce trees. The recycling device is the "shield machine" of this mine. It first disassembles components, then crushes and sorts them. The electrostatic field makes metals line up by weight like soldiers on command, with copper particles going to the left and resin powder to the right, with an error of no more than 2%. Some have calculated that China annually discards 10 million tons of electronic waste. If all of it is handled by formal equipment, it can produce 2 million tons of copper and 40 tons of gold, meeting 10% of the country's industrial demand. However, the reality is that 70% of the boards still flow into small manual disassembly workshops. The "homegrown methods" of hammering and burning with fire expose workers to excessive lead and allow precious metals to escape into the air. The gap lies not in technology, but in awareness: a complete set of equipment capable of processing 10 tons per day costs 8 million yuan, which may seem expensive, but it pays for itself in five years - with copper priced at 70,000 yuan per ton and gold at 400 yuan per gram, the machine works day and night to turn "waste" into "mineral ore". In the evening, the green light turns on at the exit of the device, and a glittering copper brick is lifted by a mechanical arm, reflecting the setting sun like a medal. The engineer attaches a QR code to the copper brick, and scanning it reveals its origin from an old TV or mobile phone, as well as the amount of carbon dioxide it has reduced. The information is uploaded to the cloud, forming a traceable "green current" that flows from the consumer end to the resource end and back to the factory, becoming the lifeblood of new computers and air conditioners. Circuit board recycling devices are not cold steel, but the "artificial kidneys" of the earth's circulatory system, filtering toxins and recycling nutrients. When cities no longer need to expand mines and rivers no longer carry heavy metals, we will remember that it was those machines standing in the corner of the factory that gave every kilowatt of electricity and every gram of metal a clean home.
2026-02-10
2026-02-10
2026-02-10
2026-02-10
2026-02-10
2026-02-10
No. 15 Industrial Avenue, Industrial Park, Shicheng County, Jiangxi Province
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