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石灰石資源好的利用與砂石產(chǎn)業(yè)鏈升級路徑——以廣西武宣時產(chǎn)350噸骨料項目為例

一、石灰石特性與產(chǎn)業(yè)適配性

資源稟賦

碳酸鈣含量＞90%，莫氏硬度3，中國探明儲量超千億噸（廣西占比12.7%）

武宣礦區(qū)屬低硫高鈣礦，破碎后針片狀含量＜10%，特別適配機(jī)制砂生產(chǎn)

 

加工優(yōu)勢

 

節(jié)能環(huán)保：干法工藝粉塵排放＜20mg/m³，石粉回收率＞95%

經(jīng)濟(jì)性：自有礦山使原料成本降低35%，機(jī)制砂級配可調(diào)減少水泥用量

二、制砂機(jī)的核心作用與技術(shù)創(chuàng)新

功能突破

替代天然砂資源，VSI6X制砂機(jī)成品砂細(xì)度模數(shù)可控（2.4-3.0）

層壓破碎技術(shù)（HPC220）使混凝土抗壓強(qiáng)度提升15%

工藝革新

"顎破+圓錐破+制砂機(jī)"組合能耗較傳統(tǒng)工藝降低30%

配套脈沖除塵與智能篩分系統(tǒng)，實現(xiàn)綠色生產(chǎn)認(rèn)證

三、武宣項目長效性驗證與行業(yè)啟示

 

設(shè)備表現(xiàn)

HPC220液壓圓錐破十年無大修，壽命周期成本僅為同類60%

2023年參數(shù)優(yōu)化后產(chǎn)能提升至380噸/時

產(chǎn)業(yè)鏈價值

2024年西南地區(qū)機(jī)制砂價格較天然砂低20%，市場滲透率超65%

智能控制系統(tǒng)（如AI粒形監(jiān)測）進(jìn)一步降低人工干預(yù)

拓展石灰石微粉在化工、環(huán)保領(lǐng)域的應(yīng)用場景

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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