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    • 1. 发明申请
    • HIGH-CONCENTRATION COAL/WATER MIXTURE FUEL AND PROCESS FOR PRODUCTION THEREOF
    • 高浓度煤/水混合燃料及其生产方法
    • WO1997009399A1
    • 1997-03-13
    • PCT/JP1996002546
    • 1996-09-06
    • CENTRAL RESEARCH INSTITUTE OF ELECTRIC POWER INDUSTRYONO, Tetsuo
    • CENTRAL RESEARCH INSTITUTE OF ELECTRIC POWER INDUSTRY
    • C10L01/32
    • C10L1/326
    • A process for producing a high-concentration coal/water mixture fuel, whereby a coal/water mixture fuel having a good fluidity even at a high concentration is produced from a dry-pulverized fine coal at a low cost with a reduced amount of the dispersant used. The process comprises mixing a fine coal pulverized so as to have a given particle diameter distribution with water and a dispersant, while adding a hydrophilic colloid having a protective effect to the fine coal preferably before the addition of the dispersant, thus giving a high-concentration coal/water mixture fuel, such as CWM, containing the hydrophilic colloid and being reduced in the amount of the surfactant used. The amount of the hydrophilic colloid to be added is less than 1 wt.% based on the CWM as a whole and an amount exceeding the one that causes mutual coagulation between the colloid and the coal, preferably of the order of ppm or ppT. The fine coal is rounded by rubbing the coals with each other before the production of CWM, whereby the fine coal is graulated without causing an extreme reduction in the initial grain diameter and coal grains are very finely pulverized to have a desirable grain diameter distribution as the CWM.
    • 一种生产高浓度煤/水混合燃料的方法,其中甚至高浓度的具有良好流动性的煤/水混合物燃料以低成本从干粉碎的细煤产生,并减少了分散剂的量 用过的。 该方法包括将粉碎的细煤与水和分散剂进行混合,同时在加入分散剂之前,优先加入具有保护作用的亲水胶体,然后加入分散剂,从而得到高浓度 煤/水混合燃料,如含有亲水胶体的CWM,并减少表面活性​​剂的用量。 亲水胶体的添加量相对于CWM为整体而小于1重量%,超过使胶体与煤之间相互凝结的量优选为ppm或ppT。 在生产CWM之前,细煤通过相互摩擦将其倒圆,由此细煤不会引起初始粒径的极大降低而被磨细,并且煤粒被非常精细地粉碎以具有期望的粒径分布,因为 CWM。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING FINE PARTICLES
    • 生产细颗粒的方法和装置
    • WO2004076050A2
    • 2004-09-10
    • PCT/JP2004/002501
    • 2004-03-01
    • CENTRAL RESEARCH INSTITUTE OF ELECTRIC POWER INDUSTRYFURUYA, Masahiro
    • FURUYA, Masahiro
    • B01J
    • B01J2/06B22F9/08
    • The present invention provides a method and apparatus for producing fine particles. According to the production method, a molten material 1 which has been formed by melting a raw material to be formed into fine particles is supplied in the form of droplets 1a or a jet flow to a liquid coolant 3, and a vapor film formed so as to cover the molten material supplied to the liquid coolant 3 is forcedly broken to promote vapor explosion, thereby forming and cooling fine particles for solidification. The production method and apparatus can readily produce fine particles from a raw material having a high melting point, and can relatively readily produce submicron fine particles; such particles are difficult to produce by mean of the previously developed technique. The method and apparatus can produce amorphous fine particles, or polycrystalline fine particles having a target particle size by regulating conditions for fine particle formation and for cooling-solidification.
    • 本发明提供一种微粒生产方法和装置。 根据该制造方法,通过将待形成微粒的原料熔化形成的熔融材料1以液滴1a或喷射流的形式供给到液体冷却剂3,形成为蒸镀膜 为了覆盖供给到液体冷却剂3的熔融材料,被强制破坏以促进蒸汽爆炸,由此形成和冷却用于固化的细颗粒。 制造方法和装置可以容易地从具有高熔点的原料产生细颗粒,并且可以相对容易地产生亚微米细颗粒; 这样的颗粒通过以前开发的技术是难以产生的。 该方法和装置可以通过调节细颗粒形成和冷却固化的条件来产生具有目标粒径的无定形细颗粒或多晶细颗粒。