嘉興鑄造冒口漂珠 電廠漂珠 20-100目細漂珠現(xiàn)貨批發(fā) 耐火保溫材料細漂珠

【漂珠介紹】

漂珠是一種能浮于水面的粉煤灰空心球，呈灰白色，壁薄中空，顆粒細、重量輕，高強耐磨、表面封閉而光滑，熱導率小，耐火度高、保溫絕緣、應力應變均勻等多種功能，廣泛用于耐火、保溫材料的生產(chǎn)和在塑料、涂料、油漆油墨、陶瓷、封裝材料、地板膠、石油鉆探等領域作增強性填充料。能既有效地改善產(chǎn)品性能或施工效果，又明顯地降低生產(chǎn)成本，現(xiàn)已廣泛應用于耐火材料的原料之中。

【漂珠特性】

1、高耐火度：漂珠的主要化學成分為硅、鋁的氧化物，其中二氧化硅（SiO2)約為50-65%，三氧化二鋁(Al2O3)約為25-35%。因為二氧化硅（SiO2)的溶點高達1725攝氏度，三氧化二鋁(Al2O3)的溶點為2050攝氏度，均為高耐火物質(zhì)。因此，漂珠具有的耐火度，一般達1600-1700攝氏度，使其成為的耐火材料。

2、質(zhì)輕、保溫隔熱：漂珠壁薄中空，空腔內(nèi)為半真空，只有極微量的氣體(N2、H2及CO2等)，熱傳導極慢極微。所以漂珠不但質(zhì)輕(容重250-450kg/m3)，而且保溫隔熱(導熱系數(shù)常溫0.08-0.1)，這為其在輕質(zhì)保溫隔熱材料領域大顯身手奠定了基礎。

3、硬度大、強度高：由于漂珠是以硅鋁氧化物礦物相(石英和莫來石)形成的堅硬玻璃體，硬度可達莫氏6-7級，靜壓強度高達70-140MPa，真密度2.10-2.20g/cm3，因此，漂珠具有很高的強度。一般輕質(zhì)多孔或中空材料如珍珠巖、沸巖、硅藻土、海浮石、膨脹蛭石等均是硬度差、強度差，用其制的保溫隔熱制品或輕質(zhì)耐火制品，都有強度差的缺點。他們的短處恰恰是漂珠的長處，所以漂珠就更有競爭優(yōu)勢，用途更廣。
根據(jù)以上的過程，我們可以發(fā)現(xiàn)聚丙烯酰胺作為絮凝劑時他是一種物理化學過程。因此，影響絮凝結果的因素也有很多，除了廢液中的膠體粒子的種類、大小、表面特性、膠體粒子的濃度和絮凝劑的種類與特性等因素外，還包括了溶液的酸堿性等等。the performance of insulation materials, conductive.Insulation resistance are commonly by the rise of temperature, drift beads, on the other hand, increases with the increase of temperature resistance.This advantage is don't have other insulating materials.So, it can make is performance under the condition of high temperature insulation products.
5, particle size, specific surface area: drift beads natural formation of the particle size of 1-250 microns.Specific surface area of 300-360 - g/cm2, and cement.Therefore, drift beads without grinding, can be used directly.Fineness can meet the needs of a variety of products, other lightweight insulation materials generally large particle size (e.g., perlite, etc.), if the grinding would significantly increase capacity, insulating the stays is reduced greatly.
drift beads use
1, fire-resistant insulation materials, such as light sintered brick, light unburned brick, casting insulation riser, pipe insulation shell heat preservation and heat insulation, fire insulation paint, paste, composite insulation dry powder, light resistant glass fiber reinforced plastic.
2, building materials, building decoration, high-grade pavement materials, roof waterproof thermal insulation coating, road engineering, modified asphalt, etc.
3, the oil industry, oil well cementing, pipeline anticorrosion insulation, sea oil field, floating device, the well drilling mud reducing agent, oil and gas pipelines, etc.

絮凝過程是很復雜的，為達到好的效果，我們就應該先對實際廢水進行絮凝試驗，從而選出合適的絮凝劑及其絮凝的條件。

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