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四川花崗巖洞渣碎石生產(chǎn)線，四川花崗巖破碎設(shè)備
時(shí)間:2025-12-22 11:30 點(diǎn)擊: 次
一、項(xiàng)目背景
作為國(guó)家重大交通工程配套項(xiàng)目，該生產(chǎn)線位于四川省高海拔區(qū)域（海拔3000米以上），專業(yè)處理川藏鐵路隧道施工產(chǎn)生的花崗巖洞渣（抗壓強(qiáng)度≥80MPa）。項(xiàng)目采用“就近加工、以廢為寶”模式，累計(jì)轉(zhuǎn)化洞渣400萬噸，所產(chǎn)砂石骨料直接用于鐵路混凝土澆筑及路基填筑，實(shí)現(xiàn)資源循環(huán)與工程建設(shè)雙軌并行。
二、技術(shù)創(chuàng)新與實(shí)施亮點(diǎn)
定制化破碎工藝
三段破碎系統(tǒng)：
粗碎階段：HST250單缸液壓圓錐破實(shí)現(xiàn)高強(qiáng)度破碎，適應(yīng)花崗巖高磨蝕性特征；
中細(xì)碎階段：HPT300多缸液壓圓錐破通過層壓破碎優(yōu)化粒形，針片狀含量低于8%；
制砂整形階段：VSI6X1263制砂機(jī)配備雙模式轉(zhuǎn)子，成品砂細(xì)度模數(shù)可調(diào)（2.4-3.0），石粉含量可控。
智能篩分控制：多級(jí)圓振動(dòng)篩構(gòu)成閉路循環(huán)，精確分級(jí)0-5mm（機(jī)制砂）、5-10mm、10-20mm等規(guī)格，級(jí)配連續(xù)性好。
高原環(huán)境適應(yīng)性升級(jí)
針對(duì)低溫缺氧工況，設(shè)備采用強(qiáng)化密封結(jié)構(gòu)、低溫油液適配及電機(jī)功率補(bǔ)償技術(shù)，年運(yùn)行時(shí)間超7200小時(shí)；
模塊化設(shè)計(jì)縮短安裝周期，生產(chǎn)線從建設(shè)到達(dá)產(chǎn)僅用時(shí)75天。
三、綜合效益分析
資源效益：洞渣綜合利用率達(dá)100%，減少棄渣場(chǎng)用地約150畝；
經(jīng)濟(jì)價(jià)值：據(jù)項(xiàng)目數(shù)據(jù)顯示，相比外購骨料，就地加工累計(jì)降低工程成本；
環(huán)保成果：
全封閉廠房+脈沖除塵，粉塵排放濃度＜20mg/m³；
水資源循環(huán)利用率超90%，實(shí)現(xiàn)生產(chǎn)污水零外排；
項(xiàng)目周邊同步實(shí)施植被恢復(fù)，生態(tài)修復(fù)面積占比30%。
四、行業(yè)應(yīng)用價(jià)值
該項(xiàng)目的成功實(shí)施，為高寒、陡峭地形條件下的固廢資源化提供了以下經(jīng)驗(yàn)：
硬巖破碎技術(shù)驗(yàn)證：花崗巖洞渣加工工藝可復(fù)用于水電、公路等領(lǐng)域的高硬度巖石處理；
綠色礦山實(shí)踐：從生產(chǎn)到生態(tài)修復(fù)的全鏈條方案，符合國(guó)家綠色基建標(biāo)準(zhǔn)；
黎明重工與世邦集團(tuán)持續(xù)深化在綠色礦山的裝備研發(fā)與服務(wù)創(chuàng)新，致力于為重大工程提供“好的轉(zhuǎn)化、低碳運(yùn)維”的砂石骨料解決方案。
該項(xiàng)目是川藏鐵路雅安至二郎山隧道段建設(shè)的重要配套工程，通過將隧道開挖產(chǎn)生的花崗巖洞渣資源化利用，為鐵路建設(shè)提供高品質(zhì)砂石骨料，同時(shí)實(shí)現(xiàn)環(huán)保與經(jīng)濟(jì)效益雙贏。以下從項(xiàng)目背景、技術(shù)方案、經(jīng)濟(jì)效益及行業(yè)價(jià)值等方面展開詳細(xì)介紹：
一、項(xiàng)目背景與核心需求
川藏鐵路建設(shè)的戰(zhàn)略意義川藏鐵路是我國(guó)“十四五”規(guī)劃中的好的工程，雅安至林芝段作為全線最難路段，需穿越14條斷裂帶和21座4000米以上雪山。其中二郎山隧道全長(zhǎng)13.4公里，2023年貫通后將原1小時(shí)車程縮短至15分鐘，極大提升了藏區(qū)交通效率。
洞渣資源化利用的必要性隧道開挖產(chǎn)生的花崗巖洞渣（抗壓強(qiáng)度≥80MPa）若直接棄置，不僅占用土地、破壞生態(tài)，還需承擔(dān)高昂的運(yùn)輸成本。項(xiàng)目遵循“就近處理、以渣代石”原則，將洞渣加工為砂石骨料，滿足鐵路混凝土工程與路基處理需求。
二、生產(chǎn)線技術(shù)方案與設(shè)備配置
工藝設(shè)計(jì)采用 “三段破碎 + 整形制砂 + 篩分” 工藝，具體流程為：
粗碎：HST250單缸液壓圓錐破碎機(jī)，處理能力255-605噸/小時(shí)，適合高硬度花崗巖。
中細(xì)碎：HPT300多缸液壓圓錐破碎機(jī)，層壓破碎原理減少針片狀顆粒，產(chǎn)能190-380噸/小時(shí)。
整形制砂：VSI6X1263制砂機(jī)，“石打石+石打鐵”雙模式切換，制砂效率提升 30%，成品粒形圓潤(rùn)。
篩分：圓振動(dòng)篩分級(jí)，綜合時(shí)產(chǎn) 250 噸，精準(zhǔn)產(chǎn)出多種級(jí)配砂石。
設(shè)備優(yōu)勢(shì)
HST 單缸圓錐破：結(jié)構(gòu)簡(jiǎn)單、故障率低，適合高原惡劣工況。
HPT 多缸圓錐破：液壓清腔與過載保護(hù)功能，適應(yīng)復(fù)雜地質(zhì)條件。
VSI6X 制砂機(jī)：耐磨件壽命長(zhǎng)，降低維護(hù)成本。
高原環(huán)境適應(yīng)性項(xiàng)目位于海拔3000米以上，世邦黎明技術(shù)團(tuán)隊(duì)通過強(qiáng)化設(shè)備密封、優(yōu)化潤(rùn)滑系統(tǒng)，確保設(shè)備在嚴(yán)寒缺氧環(huán)境下穩(wěn)定運(yùn)行。
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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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