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 拍攝于2021年重慶石灰石碎石制砂生產線建設現場，位于重慶市涪陵區珍溪鎮，當地石灰巖礦石資源豐富，成品為機制砂等砂石骨料。該項目主要設備來自黎明重工，石灰石經由C5X顎式破碎機初破，2臺CI5X大型反擊式破碎機破碎，經圓振動篩篩分得到精品骨料，2022年4月一期項目建成投產，綜合年產600萬噸

破碎篩分系統
C5X顎式破碎機：作為粗碎設備，具有大進料尺寸、高破碎效率和低能耗的特點，確保石灰石的初步破碎質量。
CI5X反擊式破碎機：采用漸開線型腔型設計和高精度重型轉子，提升破碎效率和抗沖擊能力，滿足大產量需求。
圓振動篩：對破碎后的物料進行篩分，保證成品骨料的粒度均勻和級配合理。


生產工藝優化
采用“兩段破碎+篩分”工藝，結合干法生產，減少粉塵排放和水資源消耗。
設備配置緊湊，自動化程度高，實現生產過程的在線監測和精準控制。


環保與智能化優勢
綠色生產
全封閉廠房設計，粉塵排放低于10mg/m³，符合國家環保標準。

智能化管理
采用PLC更好控制系統，實現設備的自動化運行和遠程監控。
具備自動裝車、粉塵收集等功能模塊，提升生產效率和安全性。
行業意義與示范效應

一期項目投產后，生產線迅速達產達標，年產能穩定在600萬噸以上。機制砂及骨料產品憑借優異品質，迅速占領重慶及周邊市場，并成功應用于多個重點基建項目。

從社會效益來看，該項目的建設推動了當地資源加工產業的升級，創造了就業崗位，同時通過科學開采與集約化生產，實現了礦山資源的好的開發利用。二期機制砂項目建成后，將進一步延伸產業鏈，提升產品附加值，為區域經濟發展注入新動能。

重慶涪陵石灰石制砂生產線是資源好的利用與綠色生產的典型案例。通過黎明重工先進設備的賦能，項目實現了從礦石到高品質骨料的全流程優化，展現了現代化砂石生產線的技術水平與發展方向。未來，隨著二期項目的推進，生產線將持續為建筑行業提供更好砂石材料，并為行業綠色轉型提供可借鑒的實踐經驗。

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

LIMING brings a large number of high-qualification talents together. Bai Yinghui, general research and development engineer, is a well-known expert in crushing and grinding area who won the youth medal of technology of the state council and receives special government allowance. LIMING owns an experienced service team, offering the customer free design and professional skill training and live guide for installation and debugging. The company's service networks have spread all over the country. Established client files, and mix the traditional door-to-door service with online service together, complementary the advantages. LIMING has won high recognition from clients.

The company mainly manufactures mobile crushers, stationary crushers, sand-making machines, grinding mills and complete plants that are widely used in mining, construction, highway, bridge, coal, chemical, metallurgy, refractory matter, etc. Product quality is life, and scientific innovation is motive power. LIMING got ISO international quality system certification, European Union CE certification and Russian GOST certification. The company has strong research and development strength and innovation.

LIMING machinery research institute was founded in 2005 which is the most powerful comprehensive technological research institute in the domestic mining machinery industry and provides top scientific research platform for professional personnel. Up to now, LIMING has won 10 national patents, 24 national utility model patents and 3 provincial science and technology achievement awards. The company products remain the international leading level by strengthening international exchanges and cooperation all the time, and has won a wide range of international market, such as Russian, Azerbaijan, Kazakhstan, Turkey, Kuwait, South Africa, Egypt, Vietnam, Malaysia, India, Australia, Korea, Canada and European Union,etc. Through more than 30 years' hard work, LIMING's staff built supremacy of credibility, excellent quality, service "LIMING" brand, and has made outstanding contributions to the development of mechanical manufacturing industry for China and the whole world.

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