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A platform for research: civil engineering, architecture and urbanism
Concrete prepared from waste aggregate after tailings discarding of low-grade vanadium titano-magnetite and preparation method of concrete
The invention discloses concrete prepared from waste aggregate after tailings discarding of low-grade vanadium titano-magnetite and a preparation method thereof.The method comprises the steps that coarse crushing, intermediate crushing, fine crushing, pre-magnetic separation, tailings grinding and strong magnetic separation are sequentially conducted on the low-grade vanadium titano-magnetite to obtain the waste aggregate after tailings discarding, and concentrate obtained through pre-magnetic separation and strong magnetic separation is collected; the method comprises the following steps: discarding waste aggregates, performing tailing screening on the discarded waste aggregates, taking waste with the particle size of 0.074-5mm as medium sand in the tailing screening process, taking waste with the particle size of 5mm-30mm as broken stone, and transporting the medium sand and the broken stone to a concrete mixing plant for concrete manufacturing. According to the invention, the concrete is produced by using the waste aggregate after the tailings of the low-grade vanadium titano-magnetite are discarded, and natural gravel aggregate can be replaced by the waste aggregate broken stone and medium sand, so that the accumulation and treatment of the waste aggregate after the tailings of the low-grade vanadium titano-magnetite are discarded are reduced, and the properties of the prepared concrete are improved.
本发明公开了一种低品位钒钛磁铁矿抛尾后废集料制混凝土及其制备方法，方法包括：对低品位钒钛磁铁矿依次进行粗破、中碎、细碎、预先磁选、尾矿磨矿和强磁选矿得到抛尾后废集料，其中，对预先磁选和强磁选矿得到的精矿进行收集；再对抛尾后废集料进行尾矿筛分，尾矿筛分过程中，将粒径为0.074mm‑5mm的废料作为中砂，将粒径为5mm‑30mm的废料作为碎石，并将中砂和碎石运输至混凝土搅拌站进行混凝土制作。本发明利用低品位钒钛磁铁矿抛尾后废集料生产混凝土，用废集料碎石、中砂可替代天然砂石骨料，从而减少低品位钒钛磁铁矿抛尾后废集料的堆积以及处理，且配制的混凝土各性能均得到提升。
Concrete prepared from waste aggregate after tailings discarding of low-grade vanadium titano-magnetite and preparation method of concrete
The invention discloses concrete prepared from waste aggregate after tailings discarding of low-grade vanadium titano-magnetite and a preparation method thereof.The method comprises the steps that coarse crushing, intermediate crushing, fine crushing, pre-magnetic separation, tailings grinding and strong magnetic separation are sequentially conducted on the low-grade vanadium titano-magnetite to obtain the waste aggregate after tailings discarding, and concentrate obtained through pre-magnetic separation and strong magnetic separation is collected; the method comprises the following steps: discarding waste aggregates, performing tailing screening on the discarded waste aggregates, taking waste with the particle size of 0.074-5mm as medium sand in the tailing screening process, taking waste with the particle size of 5mm-30mm as broken stone, and transporting the medium sand and the broken stone to a concrete mixing plant for concrete manufacturing. According to the invention, the concrete is produced by using the waste aggregate after the tailings of the low-grade vanadium titano-magnetite are discarded, and natural gravel aggregate can be replaced by the waste aggregate broken stone and medium sand, so that the accumulation and treatment of the waste aggregate after the tailings of the low-grade vanadium titano-magnetite are discarded are reduced, and the properties of the prepared concrete are improved.
本发明公开了一种低品位钒钛磁铁矿抛尾后废集料制混凝土及其制备方法，方法包括：对低品位钒钛磁铁矿依次进行粗破、中碎、细碎、预先磁选、尾矿磨矿和强磁选矿得到抛尾后废集料，其中，对预先磁选和强磁选矿得到的精矿进行收集；再对抛尾后废集料进行尾矿筛分，尾矿筛分过程中，将粒径为0.074mm‑5mm的废料作为中砂，将粒径为5mm‑30mm的废料作为碎石，并将中砂和碎石运输至混凝土搅拌站进行混凝土制作。本发明利用低品位钒钛磁铁矿抛尾后废集料生产混凝土，用废集料碎石、中砂可替代天然砂石骨料，从而减少低品位钒钛磁铁矿抛尾后废集料的堆积以及处理，且配制的混凝土各性能均得到提升。
Concrete prepared from waste aggregate after tailings discarding of low-grade vanadium titano-magnetite and preparation method of concrete
低品位钒钛磁铁矿抛尾后废集料制混凝土及其制备方法
LUO CHANGMIN (author) / YANG RUIHAI (author) / LI CONGDE (author) / LONG MAOHUA (author) / WANG QI (author) / PENG YOUPENG (author) / QI SHUANGYING (author) / HONG XIA (author) / SHI FENG (author) / YAO BIN (author)
2024-08-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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