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1. 发明授权

US4089509A Composition control system for an asphalt plant 失效
标题翻译：沥青设备组合控制系统
公开(公告)号：US4089509A
公开(公告)日：1978-05-16
申请号：US813067
申请日：1977-07-05
申请人： James L. Morton , Thomas H. Birchell , James M. Noble , David W. Jenson
发明人： James L. Morton , Thomas H. Birchell , James M. Noble , David W. Jenson
IPC分类号： E01C19/10 , B28C7/04
CPC分类号： E01C19/1072
摘要： A system for preparing asphalt mix of a selected composition is disclosed wherein the correct proportions of various grades of aggregate to be mixed with liquid asphalt are maintained by repeatedly measuring the weight of aggregate contribution from each of a plurality of feed bins containing different grades of aggregate, comparing the proportion of the total aggregate from all of the feed bins contributed by each individual feed bin to a preselected desired proportion for the particular grade of aggregate contained in that feed bin, and responsive to said comparison, adjusting the rate of feeding of aggregate from that feed bin to correct the actual proportion of the total agregate from that feed bin to the preselected desired proportion. The comparison and adjustment steps are repeated at a selected interval and the proportions of aggregate from each bin are determined based on the average output of each bin over the same interval. If an upward adjustment beyond the feed rate capacity of a particular feed bin is required, the output of the remaining feed bins is proportionately reduced until the maximum output of the particular feed bin provides a proportion of the total output of aggregate consistent with the desired composition of the asphalt mix.
摘要翻译：公开了一种用于制备所选组合物的沥青混合物的系统，其中通过重复测量含有不同等级的骨料的多个进料仓中的每一个的聚集体贡献的重量来维持与液体沥青混合的各种等级的骨料的正确比例将由每个饲料箱贡献的所有饲料仓的总骨料的比例与所述饲料仓中所含的特定等级的骨料的预选所需比例进行比较，并响应于所述比较，调整饲料总量从该进料仓中将来自该进料仓的总聚集体的实际比例校正为预选的所需比例。以选定的间隔重复比较和调整步骤，并根据相同间隔内每个仓的平均输出确定每个仓的汇总比例。如果需要向上调节超过特定进料仓的进料速率容量，则剩余进料仓的输出成比例地减少，直到特定进料仓的最大输出提供了与所需组成一致的聚集体总输出的一部分的沥青混合料。

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