Yesterday, the reporter went to Shanghai Shenhang Glass Co., Ltd. When I first entered the factory gate, I saw piles of broken glass. Each pile was five or six meters high. The broken glass slag can be stepped on at any time under the feet. The wind blows through and the air is mixed with a large amount of glass residue.
“We are the only waste glass bottle recycling company in Shanghai. We have more than 80 employees and we mainly collect and process waste glass bottles in Shanghai and surrounding areas.†said company director Lu Rongkang. It is reported that in Shanghai, 500 tons of waste glass bottles are mixed into municipal solid waste every day, and a considerable part of waste glass bottles do not enter the recycling system. 90% of these waste glass bottles are transported by water to the dedicated docks on the Yayao River of the factory. The two cranes on the dock lift the waste glass bottles on the cargo ship to the yard. The forklifts and freight cars transport the raw glass bottles to raw materials according to the waste glass bottles. The yard, and then the factory according to the production and processing operations plan, by the forklift the waste glass bottles needed raw materials into the processing silo, raw materials sent to the silo, the first rolling of the raw material cleaning, and then enter the first crushing, crushing waste The glass bottles enter the conveyor belt, and the impurities are discarded by humans and machinery. Then enter the second manual picking, on both sides of the conveyor belt by the workers picking metal bottle caps, plastic caps and other impurities, through the process of crushing into standard particles, the broken glass products shipped to the yard. These simple processed cullet products will be provided to glass bottle manufacturers as raw materials for molten glass.
“In theory, glass can be completely recycled.†Lu Rongkang, general manager of Shanghai Shenxing Glass Co., Ltd., introduced a variety of glass products, including food glass, door and window glass, and harmful glass. Now, the main products are food glass. Including accessories such as ashtrays, the recycling rate reached 60%. Even harmful lamps, such as lamps and computer boards, can be processed into artificial marble at a lower cost than natural marble. However, due to the huge cost, the production line has not yet been invested.
Lu Rongkang said that the factory's annual production capacity is 100,000 tons, and it is now disposed of 200-300 tons of waste glass bottles every day. In his view, the public lacks awareness of sorting, and glass is mixed into ordinary household waste, which has an impact on recycling. Lu Rongkang is also full of helplessness for the recycling of waste glass bottles in Shanghai: “At present, there is only one recycling company for waste glass bottles left in Shanghai. Due to the small profit margins, the government’s two-year tax rebate policy has passed, leading companies to recycle waste glass bottles. The enthusiasm has also become smaller."
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