国家/地区 中国（6）
IPC部 C（6）
IPC大类 C04（6）
IPC小类 C04B（6）
IPC C04B024/12（6）
发明人 LIU Y（2） WANG J（2）
公开年 2022（4） 2023（2）
申请年 2022（6）
专利权人

Treating waste concrete slurry useful in concrete, comprises e.g. separating collected concrete waste slurry from sand and gravel via sedimentation, filtering and screening, recycling separated sand and stone to raw material yard for concrete production, adding slump-preserving blender, and stirring.

YANG Z, QIN X, ZHENG W, FU Q, ZHANG Z

Preparing efficient and environmentally friendly steel slag composite activator, comprises uniformly mixing polyol amine, polyol, sodium acetate, graphene, and dihydrate gypsum at room temperature, and mechanically stirring to obtain steel slag composite activator.

YANG C, LIU Y, JIAN X, WANG J, MU C, XING X, YANG X, YIN L

Freeze-proof accelerating agent for spraying concrete comprises aluminum sulfate, inorganic salt, stabilizing component, anti-freezing component, organic complex component, and inorganic nano-component.

TIAN X, LI Q, WANG L, DONG S, ZHANG L, WANG Y, LIU J, GRUBER M, TIAN Y, ZHAO M, HUANG Y, TENG W

Nano-modified graphene oxide used for preparing anti-cracking and toughening additive used in building, road, bridge and tunnel, comprises graphene oxide, and indium hydroxide crystal particles bound on graphene oxide through functional group on surface of graphene oxide.

LU L, XU C, CHEN Y, LI W, LI L

Preparing coal chemical industry solid waste coarse slag surface blocking coating used for concrete preparation, comprises e.g. obtaining waste collagen colloid solution, adding N-methylol acrylamide, and water into reactor, stirring, coating solidified gel on coal chemical solid waste coarse slag.

JIA J, ZHAO H, REN Y, GAO D, WU L, WEI D, LV S

Cement modifier used for cement comprises nano-seed crystal, solubilizer, precipitation accelerator and lattice modifier.

PENG Y, ZHANG B, ZHENG J, WANG J, LIU Y, LIU H