一种从含钛高炉渣中回收钙钛矿的方法
By reacting at high temperatures to form polycalcium-titanium and polyaluminate titanate, and then using screening, magnetic separation and calcination steps, perovskite is separated from titanium blast furnace slag, solving the problem of recovering TiO2 from titanium blast furnace slag and CaO from refining slag, and achieving efficient utilization of resources.
CN116694934BActive Publication Date: 2026-07-17PANZHIHUA GANGCHENG GROUP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- PANZHIHUA GANGCHENG GROUP
- Filing Date
- 2023-06-09
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies are insufficient to effectively recover TiO2 from titanium blast furnace slag and CaO from refining slag, resulting in serious resource waste.
Method used
By reacting refining slag with titanium-containing blast furnace slag at high temperature to form polycalcium titanium and polyaluminate titanate, CaTiO3 and CaCO3 are separated by steps such as screening, magnetic separation and calcination, thus realizing the recovery of perovskite.
Benefits of technology
This technology enables the efficient recovery of perovskite from titanium blast furnace slag, reducing resource waste and improving resource utilization.
✦ Generated by Eureka AI based on patent content.
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Figure CN116694934B_ABST
Abstract
本发明涉及废弃资源回收技术领域，尤其是涉及一种从含钛高炉渣中回收钙钛矿的方法，包括以下步骤：S1、将精炼渣与含钛高炉渣加入到电炉中，持续高温反应形成多钙钛、多钛酸铝；S2、将电炉中物料倒出至通风环境，冷却至室温；S3、采用第一筛网筛掉筛下物料，筛上物料利用磁选设备选出含铁物料，磁选剩余物料利用对辊破进行反复破碎，破碎后采用第二筛网进行筛分；S4、将第二筛网的筛上物料配加CaF2在密闭电炉内持续煅烧；S5、将第二筛网的筛下物料加入到密闭炉内，在CO2环境下持续高温煅烧。本发明的方法能够从含钛高炉渣中回收钙钛矿，以便资源回收利用。
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