廣西武宣石灰石制砂生產線
一、項目概況與核心設備
項目依托自有石灰石礦山，采用"顎破+圓錐破"工藝（PEW1100歐版顎破+HPT500/HPC220圓錐破），成品供應攪拌站及外售。HPC220設備自2014年投用至今，憑借全液壓操控和層壓破碎技術，實現骨料粒型優化與低維護成本，十年無大修記錄驗證了其設計可靠性。2023年9月的技術回訪進一步優化了設備運行參數。
二、石灰石特性與加工優勢
1. 基礎特性
成分：碳酸鈣（CaCO₃）含量＞90%，莫氏硬度3，易破碎
分布：廣西儲量占全國12.7%，武宣礦區屬高鈣低硫更好礦
2. 加工適配性
工藝適配：圓錐破層壓破碎可減少過粉碎，成品針片狀含量＜10%
環保表現：配套脈沖除塵設備，粉塵排放＜20mg/m³，優于國標
三、產業鏈價值與行業啟示
經濟效益：自有礦山使原料成本降低35%，HPC220設備壽命周期成本僅為同類產品的60%
行業趨勢：企業正通過"礦山-骨料-混凝土"一體化布局提升競爭力
技術標桿：十年工況驗證的設備選型方案為西南地區石灰石加工提供參考模板
結語
該項目展現了石灰石資源的好的利用路徑，其設備長效性、工藝環保性與產業鏈協同模式，為砂石行業綠色轉型提供了可復制的實踐經驗。未來可通過智能控制系統升級進一步挖掘潛力。
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對脆性物料進行細碎時,篩格的縫隙應比產品更大尺寸大3—6倍；粗碎時應大1.5——、2倍。蓖條縫隙應沿物料運動方向排列,便于卸料。
轉爐按爐襯的耐火材料性質分為堿性用鎂砂或白云石為內襯和酸性用硅質材料為內襯轉爐；按氣體吹入爐內的部位分為底吹頂吹和側吹轉爐；按吹煉采用的氣體，分為空氣轉爐和氧氣轉爐。
轉爐煉鋼主要是以液態生鐵為原料的煉鋼方法。距西安一小時經濟圈，距西安市區公里，臨省道線，距京昆高速公里，交通十分方便。公司占地面積畝。。
。3、機器應牢固定在混凝土地上，地基要留出排礦槽，其斜度不小于50度。基礎性時刻有用戶根據料機和運輸設備而定。
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.
現場視頻如下：
