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一、項目概況
江蘇蘇州某建材公司在沛縣楊屯鎮投資新建時產450噸石灰石破碎制砂生產線，采用世邦集團全套設備，主要產出0-5mm精品機制砂及5-20mm碎石骨料，更好企業自營攪拌站使用。

二、工藝流程設計

    原料預處理

    石灰石原料粒度≤800mm
    設計堆料能力20000噸

    三級破碎工藝
    ① 初級破碎：C6X125顎式破碎機

    處理能力450-500t/h
    排料口調整范圍150-200mm

    制砂核心
    VSI6X1150沖擊破碎機

    四口葉輪深腔型設計
    成品砂細度模數可調(2.4-3.0)
    成砂率≥45%
    設備運行功率315kW

三、質量控制體系

    級配控制

    5mm以下機制砂占比≥40%
    石粉含量可控(5-15%)

    粒形優化

    針片狀含量≤8%
    壓碎值≤20%

四、環保與智能配置

    環保措施

    全封閉鋼結構廠房
    脈沖除塵系統(排放≤15mg/m³)
    水循環利用系統

    智能化

    更好控制系統
    設備運行狀態在線監測
    產能自動統計功能

五、經濟效益

    投資概算

    設備總投資約850萬元
    土建配套約300萬元

    運營成本

    噸生產成本較外購低18-22元
    預計投資回收期2.5年

    年產出

    機制砂：80萬噸
    碎石骨料：70萬噸

六、項目優勢

    實現原料自給自足，確保攪拌站生產穩定性
    產品質量可控，提升混凝土性能
    降低綜合生產成本，增強市場競爭力
    環保達標，符合綠色礦山建設要求

備注：本方案采用的好的VSI制砂設備，在保證產能的同時可靈活調整成品砂級配，滿足不同標號混凝土的生產需求。

 

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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