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    • 31. 发明授权
    • System for calcining active lime with a precalcining furnace and method using the same
    • 用预煅烧炉煅烧活性石灰的系统及使用其的方法
    • US09452951B2
    • 2016-09-27
    • US13780348
    • 2013-02-28
    • CITIC Heavy Industries Co., Ltd.Luoyang Mining Machinery Engineering Design And Research Institute Co., Ltd.
    • Jisheng WangKaibo ZhangBin QiaoWen ZhuLin Jiang
    • F27B15/02C04B2/02F27B7/20C04B2/10F27D9/00
    • C04B2/02C04B2/10F27B7/2016F27D9/00F27D2009/0002
    • The invention provides a system for calcining active lime, including a precalcining furnace for receiving limestone materials to be calcined and precalcining the limestone materials, and a rotary kiln for receiving the materials containing precalcined product from the precalcining furnace, outputting the formed active lime, and at the same time supplying a first flue gas to the precalcining furnace. The calcining system further includes a precalcining furnace combustion device, which generates a second flue gas and supplies it to the precalcining furnace, such that the limestone materials are precalcined in the precalcining furnace under the action of the first flue gas and the second flue gas. In this way, the precalcining rate of the limestone materials in the precalcining furnace is significantly improved. Since the heat exchange in the precalcining furnace is mainly in the form of convective heat exchange having a high heat efficiency, the heat exchange efficiency of the whole system is improved, and thus the heat consumption of the system is reduced.
    • 本发明提供一种用于煅烧活性石灰的系统,包括用于接收待煅烧和预煅烧石灰石材料的石灰石材料的预煅烧炉,以及用于从预分解炉接收含有预煅烧产物的材料的回转窑,输出形成的活性石灰,以及 同时将第一烟道气供应到预煅烧炉。 煅烧系统还包括预煅烧炉燃烧装置,其产生第二烟气并将其供应到预煅烧炉,使得石灰石材料在第一烟道气和第二烟道气的作用下在预煅烧炉中预煅烧。 以这种方式,预煅烧炉中石灰石材料的预煅烧率显着提高。 由于预分解炉中的热交换主要是具有高热效率的对流热交换的形式,所以整个系统的热交换效率提高,因此系统的热消耗降低。
    • 38. 发明授权
    • Pelleting lime fines with asphalt enhancing binders and methods of use in asphalt manufacturing
    • 用沥青增强粘合剂和沥青制造中使用的方法处理石灰粉
    • US07303623B2
    • 2007-12-04
    • US11134797
    • 2005-05-20
    • William R. Bailey
    • William R. Bailey
    • C09C1/02C04B2/02C08K3/20
    • C08L97/00C08L95/00Y10T428/2982C08L2666/26
    • A lime pellet for use in asphalt applications can include lime fines and an asphalt-compatible binder. The pellet is characterized as having a rigid structure with a dimension greater than about 1.5 mm and being compatible with a hot mix asphalt so as to dissolve in liquid asphalt. Optionally, the binder is characterized by having less than about 50% by weight of total binder being sulfur, or the pellet is characterized by having lime in an amount of at least 31% by weight, or being storage-stable and agglomeration resistant. The pellet is manufactured by mixing the lime fines with the asphalt-compatible binder and forming pellets therefrom. The pellets are useful for conditioning an end product of hot mix asphalt during the manufacture of such an asphalt. The method of conditioning includes providing the lime pellet, and mixing the lime pellet with a hot mix asphalt ingredient, wherein the ingredient is at least one of an aggregate or asphalt cement. Additionally, the lime pellets can be used for bonding a first asphalt layer with a second asphalt layer by being deposited therebetween.
    • 用于沥青应用的石灰颗粒可以包括石灰粉和沥青相容的粘合剂。 颗粒的特征在于具有尺寸大于约1.5mm的刚性结构,并且与热混沥青相容,以便溶解在液体沥青中。 任选地,粘合剂的特征在于具有小于约50重量%的总粘合剂为硫,或者颗粒的特征在于具有至少31重量%的量的石灰,或者是储存稳定的和防结块的。 颗粒通过将石灰细粉与沥青相容的粘合剂混合并由其形成颗粒来制造。 在制造这种沥青的过程中,颗粒可用于调理热拌沥青的最终产品。 调理方法包括提供石灰颗粒,并将石灰颗粒与热拌沥青成分混合,其中成分是聚集体或沥青胶泥中的至少一种。 此外,石灰颗粒可用于通过沉积第二沥青层与第二沥青层结合第一沥青层。