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硅質(zhì)巖制砂生產(chǎn)線,江西九江制砂設(shè)備這是江西九江一個典型的硅質(zhì)巖濕法制砂EPC總包項目，硅質(zhì)巖詳細(xì)介紹

硅質(zhì)巖是一種以二氧化硅（SiO?）為主要成分的沉積巖，主要由石英顆粒和硅質(zhì)膠結(jié)物組成，其SiO?含量通常超過80%，部分更好硅質(zhì)巖可達(dá)95%以上。其形成方式包括化學(xué)沉積、生物沉積（如硅藻土、硅質(zhì)海綿巖）或火山物質(zhì)蝕變（如碧玉巖、燧石）。
硅質(zhì)巖的主要類型

    石英砂巖（最常見）：
        由石英顆粒（粒徑0.0625~2mm）經(jīng)硅質(zhì)膠結(jié)形成，硬度高（莫氏硬度7）。
        適用于高標(biāo)準(zhǔn)建筑骨料、玻璃原料、耐火材料等。
    燧石（隱晶質(zhì)硅質(zhì)巖）：
        質(zhì)地致密，多為黑色或灰白色，貝殼狀斷口，常見于石灰?guī)r層中。
        可加工成高品質(zhì)機(jī)制砂或特種建材。
    碧玉巖（含鐵等雜質(zhì)）：
        色彩豐富（紅、綠、黃等），SiO?含量極高，常用于工藝品或高耐磨材料。
    硅藻土（生物成因）：
        疏松多孔，吸附性強(qiáng)，多見于湖相沉積，多用于過濾、環(huán)保材料。

九江湖口縣硅質(zhì)巖特點(diǎn)（本項目）

    礦物組成：以石英為主（85%~95%），少量長石、黏土礦物（含泥15%~20%）。
    結(jié)構(gòu)特征：中粗粒砂巖結(jié)構(gòu)，硅質(zhì)膠結(jié)致密，抗壓強(qiáng)度高（100~300MPa）。
    加工難點(diǎn)：
        高硬度導(dǎo)致破碎能耗較大（需多缸圓錐破+VSI整形）。
        含泥量影響成品砂潔凈度（濕法洗選可降至<3%）。

硅質(zhì)巖在建材領(lǐng)域的應(yīng)用

機(jī)制砂      建筑混凝土、路面基層 GB/T 14684-2022（含泥量≤3%）
碎石骨料   高鐵、橋梁等高強(qiáng)混凝土 GB/T 14685-2022（針片狀≤8%）
硅微粉    （超細(xì)加工） 好的混凝土摻合料、陶瓷釉料 細(xì)度≥325目

硅質(zhì)巖破碎工藝對比（干法vs濕法）
干法制砂 投資低、無污水 粉塵大，含泥難控制 低含泥原料（<5%）
濕法制砂 成品潔凈、無塵 需水處理系統(tǒng)，成本較高 高含泥（>10%）或嚴(yán)格環(huán)保要求

本項目采用濕法工藝的成功關(guān)鍵：

    多級洗選：圓振篩+輪式洗砂機(jī)去除黏土。
    細(xì)砂回收：旋流器+壓濾機(jī)實現(xiàn)污泥干排（含水率<15%）。
    水循環(huán)：80%回收率，補(bǔ)水量僅20%（節(jié)能環(huán)保）。

九江項目通過優(yōu)化硅質(zhì)巖破碎-洗選流程，不僅提升了機(jī)制砂品質(zhì)，更成為高含泥硅質(zhì)巖綠色加工的示范案例。

 

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(xiàn)場視頻如下：