On November 16th, Wulian County, Shandong Province, which is well-known in the stone industry for “Wu Lianhong†and “Five Lotus†stone, added a “National†name to the crown, and held the National Stone Mining Technology on-site meeting on the 16th. On the street, the town of Wulian County was officially awarded the title of “Hometown of Granite in China†by the China Stone Association.
The granite reserves in Wulian County amount to 5 billion cubic meters, which is one of the four stone industry clusters cultivated in Shandong Province. The street town of its core mining area enjoys the reputation of “the first stone town in Jiangbeiâ€. The town has 216 granite mines and more than 870 stone processing enterprises, with an annual output of 600,000 cubic meters of finished materials and 30 million square meters of processed plates. Rice, the products are exported to more than 30 countries and regions such as the United States, Japan and South Korea. The annual output value has exceeded 3 billion yuan, and 35,000 farmers have been employed. The "Ishigaki" that used to worry the people of the mountains has become a "golden ingot" that people love.
Wulian County said that if you hold the "treasure bowl", you must never be a "scarred family." Focusing on changing the layout of the stone industry, small scale, rough management and low efficiency, and realizing the sustainable development of the stone industry, Wulian County takes the promotion of new technology as the starting point, and the use of stone resources becomes “gobbled†for “chewing†Slowly swallowing, pushing the stone industry to the direction of scale, technology, and cleanliness. Liu Jianhua, vice president and secretary-general of the China Stone Association, pointed out after the field investigation: "The ideas and practices of the sustainable development of the stone industry in Wulian County have a exemplary role in the country."
With the help of market means, Wulian County has merged and merged stone mining and processing enterprises with “slimming and strong bodyâ€, and the number of mining points has been reduced by nearly half, cultivating and expanding the “aircraft carrier†of the stone industry such as Shanqian, Jinlong and Meihua. Taking new technology as a lever to promote industrial upgrading, the county introduced mining wheel saw mining technology and eliminated the original explosive blasting method, which increased the rate of stone mining and production from 30% to over 90%. In the processing process, it has jointly developed flocculant with Fuzhou University, and jointly developed a new process and equipment such as sawing mud filter press with Shandong University to solve the technical problem of separation of water and sawing mud, and realized wastewater recycling during stone processing. Use no efflux, solid waste fixed-point storage disposal.
In order to realize the comprehensive utilization of the “by-products†of stone mining and processing such as corner scraps, sawing mud and abandoned mine pits, the county actively extended the industrial chain to “waste†as a treasure, and realized the efficient use of resources. More than 300 small and medium-sized households in the county use scraps to process shaped materials and handicrafts, and can digest more than 50,000 cubic meters of waste stone. They also introduced Yamiite Ceramics Co., Ltd. with a total investment of 120 million yuan, which can convert 50,000 tons of saw mud and 120,000 tons of slag into new building materials every year. For abandoned mine pits, the county actively promotes waste backfilling and landfilling (forest), and has set up 10 backfill land preparation sites, which can dispose more than 1 million tons of slag waste annually. At present, more than 600 mu of cultivated land has been newly constructed from abandoned mine pits, and 330 mu of afforestation has been made, so that the “ecological scars†scattered in the past have become a piece of green trees and high-yield farmland.
The granite reserves in Wulian County amount to 5 billion cubic meters, which is one of the four stone industry clusters cultivated in Shandong Province. The street town of its core mining area enjoys the reputation of “the first stone town in Jiangbeiâ€. The town has 216 granite mines and more than 870 stone processing enterprises, with an annual output of 600,000 cubic meters of finished materials and 30 million square meters of processed plates. Rice, the products are exported to more than 30 countries and regions such as the United States, Japan and South Korea. The annual output value has exceeded 3 billion yuan, and 35,000 farmers have been employed. The "Ishigaki" that used to worry the people of the mountains has become a "golden ingot" that people love.
Wulian County said that if you hold the "treasure bowl", you must never be a "scarred family." Focusing on changing the layout of the stone industry, small scale, rough management and low efficiency, and realizing the sustainable development of the stone industry, Wulian County takes the promotion of new technology as the starting point, and the use of stone resources becomes “gobbled†for “chewing†Slowly swallowing, pushing the stone industry to the direction of scale, technology, and cleanliness. Liu Jianhua, vice president and secretary-general of the China Stone Association, pointed out after the field investigation: "The ideas and practices of the sustainable development of the stone industry in Wulian County have a exemplary role in the country."
With the help of market means, Wulian County has merged and merged stone mining and processing enterprises with “slimming and strong bodyâ€, and the number of mining points has been reduced by nearly half, cultivating and expanding the “aircraft carrier†of the stone industry such as Shanqian, Jinlong and Meihua. Taking new technology as a lever to promote industrial upgrading, the county introduced mining wheel saw mining technology and eliminated the original explosive blasting method, which increased the rate of stone mining and production from 30% to over 90%. In the processing process, it has jointly developed flocculant with Fuzhou University, and jointly developed a new process and equipment such as sawing mud filter press with Shandong University to solve the technical problem of separation of water and sawing mud, and realized wastewater recycling during stone processing. Use no efflux, solid waste fixed-point storage disposal.
In order to realize the comprehensive utilization of the “by-products†of stone mining and processing such as corner scraps, sawing mud and abandoned mine pits, the county actively extended the industrial chain to “waste†as a treasure, and realized the efficient use of resources. More than 300 small and medium-sized households in the county use scraps to process shaped materials and handicrafts, and can digest more than 50,000 cubic meters of waste stone. They also introduced Yamiite Ceramics Co., Ltd. with a total investment of 120 million yuan, which can convert 50,000 tons of saw mud and 120,000 tons of slag into new building materials every year. For abandoned mine pits, the county actively promotes waste backfilling and landfilling (forest), and has set up 10 backfill land preparation sites, which can dispose more than 1 million tons of slag waste annually. At present, more than 600 mu of cultivated land has been newly constructed from abandoned mine pits, and 330 mu of afforestation has been made, so that the “ecological scars†scattered in the past have become a piece of green trees and high-yield farmland.
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