
從工業固廢到更好建材:天崗花崗巖制砂設備
在長白山余脈的群山環抱中,有一座因石而興、因石聞名的小鎮——吉林蛟河天崗鎮。這里素有“關東石材好的鄉”的美譽,豐富的花崗巖資源使其成為東北亞地區重要的石材開采和加工基地。然而,石材產業在創造經濟效益的同時,也帶來了一個現實難題:大量的花崗巖尾料和邊角料如何處理?
這一問題并非天崗獨有。放眼全國,從福建到內蒙古,許多石材產區都面臨著相似的挑戰。如何讓這些“放錯位置的資源”重獲新生,成為行業共同探索的方向。
以技術賦能,黎明重工的綠色答卷
成立于1987年的黎明重工,是中國破磨裝備制造業的領軍企業,隸屬于世邦工業科技集團。三十多年來,企業專注于礦山破碎、工業制粉、綠色建材等領域的大型裝備研發制造,產品涵蓋建筑破碎、礦山破碎、工業制粉、綠色建材四大領域三十多個品種。
如今,黎明重工擁有超過一百二十萬平方米的裝備制造基地,產品出口全球一百八十多個國家和地區,出口額連續多年穩居行業前列。從青藏高原到非洲大陸,從俄羅斯的寒原到東南亞的熱帶雨林,黎明重工的設備正在為全球基礎設施建設和資源綜合利用貢獻力量。
一條生產線,解決一個區域的環保難題
2017年,一條以花崗巖固廢為原料的碎石制砂生產線在天崗鎮正式投產。這條生產線從設計之初就秉持“節能、環保、集約”的理念,采用階梯式分段破碎設計,上下落差超過十二米。這種布局方式巧妙地利用重力,使物料在破碎過程中自然下落,從而省去了傳統生產線中常見的中轉料倉,既減少了占地面積,又降低了能耗和粉塵逸散風險。
在工藝流程上,大塊花崗巖尾料首先進入振動給料機,被均勻送入高能顎式破碎機進行粗碎。粗碎后的物料經給料機穩定輸送,進入高能顎式破碎機進行中碎。隨后,物料繼續下落,被均勻喂入多缸液壓圓錐破碎機進行細碎。經過細碎和篩分后,符合規格的骨料成為成品,粒徑偏大的物料則返回圓錐破碎機繼續破碎,實現閉路循環。細碎后產生的細料,進入立軸沖擊式制砂機進行整形和制砂,最終產出高品質的機制砂。
整條生產線幾乎沒有廢料排出。成品砂石骨料涵蓋多個常用粒徑規格,可直接用于混凝土生產和工程建設。從固廢進料到成品出料,整個過程形成了企業內部的小循環,既解決了尾料堆積問題,又保障了原材料供應,真正做到了“吃干榨凈”。
成效與展望:綠色發展的生動實踐
生產線投產后,天崗鎮長期存在的花崗巖板材加工尾料堆積問題得到了根本性改善。原本需要占用土地堆存的廢料,被源源不斷地轉化為建設用砂石骨料。周邊工業區域的整潔度和土地利用率大幅提升,環境壓力明顯減輕。
在經濟方面,該生產線有效滿足了企業混凝土生產對骨料和機制砂的需求。相比外購原材料,利用本地固廢進行生產,不僅降低了采購和運輸成本,還創造了新的經濟價值。產出的成品砂石骨料服務于區域內的城際交通工程、地方攪拌站和水穩站,為基礎設施建設提供了可靠的建材保障。
項目負責人這樣評價:“生產線投入使用以來,切實解決了我們當地花崗巖板材加工后的尾料、邊角料堆積亂放問題。不僅合理分配了工業面積,還減少了重復工作,大大提高了產量和效益。”
結語
從天崗鎮出發,回望過去幾年,我國建材行業的綠色轉型步伐不斷加快。工業固廢不再是令人頭疼的“包袱”,而是可以重新進入生產鏈條的寶貴資源。一條好的、環保的破碎制砂生產線,不僅是一家企業的技術升級,更是一個地區產業生態的優化。
黎明重工始終致力于為各類固廢資源化利用項目提供可靠的技術方案。從花崗巖尾料、建筑垃圾到礦山廢石,越來越多“放錯位置的資源”正在通過科學的工藝設計和先進的裝備,變身為推動城市建設和經濟發展的綠色動能。
未來,隨著循環經濟理念的深入人心和環保政策的持續引導,固廢資源化利用將迎來更廣闊的空間。而天崗鎮的花崗巖固廢循環利用項目,正是這條綠色發展之路上一個堅實而閃亮的腳印。
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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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