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一种固废基3D打印砂浆

InventionUnknown
10Claims · 1 independent
§ Ⅰ

Dossier Overview

Inventor

董徐杰

Filing Date

Jul 24, 2026

Publication Date

Oct 27, 2026

IPC Classification

C04B 28/14 (2006.01)B33Y 70/10 (2020.01)

本申请涉及建筑材料与增材制造交叉技术领域,公开了一种固废基3D打印砂浆,由矿粉42‑60份、粉煤灰15‑30份、工业副产氟石膏16‑20份、快硬硫铝酸盐水泥3‑10份及碱性激发固废2‑6份共同构成100份胶凝材料,配合建筑垃圾破碎干骨料80‑120份、聚羧酸减水剂0.15‑0.35份、保水增稠剂0.005‑0.03份、微丝纤维0.03‑0.12份及水18‑28份制成。采用分步高剪切造浆与干骨料迟滞包裹工艺,建筑垃圾干骨料无需预湿直接入机。本发明大幅降低了碳排量及成本;依托干骨料的迟滞吸水机制,促使浆体挤出后屈服应力迅速提升,改善了打印构件的承载保形与抗裂能力。

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