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A platform for research: civil engineering, architecture and urbanism
High-voltage electric pulse recycling and strengthening process method for concrete recycled aggregate
The invention discloses a high-voltage electric pulse recycling and strengthening process method for concrete recycled aggregate. The high-voltage electric pulse recycling and strengthening process method comprises the steps of high-voltage electric pulse crushing, mechanical crushing, screening and high-voltage electric pulse strengthening. The method for recycling the waste concrete recycled aggregate by combining mechanical crushing and high-voltage electric pulse comprises the following steps: firstly, performing high-voltage electric pulse crushing on the waste concrete to separate reinforcing steel bars from the concrete, recycling the reinforcing steel bars through magnetic separation, performing mechanical crushing on the concrete without the reinforcing steel bars, and screening to obtain the recycled aggregate with proper granularity; the recycled aggregate with proper granularity is subjected to high-voltage electric pulse crushing strengthening treatment, mortar on the surface of the recycled aggregate is removed, and the performance of the concrete recycled aggregate is improved. According to the process, the high-voltage electric pulse selective crushing advantage and the liquid-electric effect are comprehensively utilized, equipment abrasion is reduced, crushing energy consumption is reduced, the strengthening efficiency is improved, and the process is stable and reliable in operation, good in crushing effect, low in energy consumption, simple and wide in practicability.
本发明公开了一种混凝土再生骨料高压电脉冲回收强化工艺方法，包括高压电脉冲破碎、机械破碎、筛分、高压电脉冲强化几个步骤。本发明采用机械破碎与高压电脉冲相结合的方法回收废旧混凝土再生骨料，首先对废旧混凝土进行高压电脉冲破碎，实现钢筋与混凝土的分离，通过磁选回收钢筋，对去除钢筋的混凝土进行机械破碎，通过筛分获得适宜粒度的再生骨料，对适宜粒度的再生骨料进行高压电脉冲破碎强化处理，去除再生骨料表面砂浆，改善混凝土再生骨料性能。本发明工艺综合利用高压电脉冲选择性破碎优势和液电效应，减少设备磨损，降低破碎能耗，改善强化效率，其运行稳定可靠、破碎效果好、能耗低、工艺简单，具有广泛的实用性。
High-voltage electric pulse recycling and strengthening process method for concrete recycled aggregate
The invention discloses a high-voltage electric pulse recycling and strengthening process method for concrete recycled aggregate. The high-voltage electric pulse recycling and strengthening process method comprises the steps of high-voltage electric pulse crushing, mechanical crushing, screening and high-voltage electric pulse strengthening. The method for recycling the waste concrete recycled aggregate by combining mechanical crushing and high-voltage electric pulse comprises the following steps: firstly, performing high-voltage electric pulse crushing on the waste concrete to separate reinforcing steel bars from the concrete, recycling the reinforcing steel bars through magnetic separation, performing mechanical crushing on the concrete without the reinforcing steel bars, and screening to obtain the recycled aggregate with proper granularity; the recycled aggregate with proper granularity is subjected to high-voltage electric pulse crushing strengthening treatment, mortar on the surface of the recycled aggregate is removed, and the performance of the concrete recycled aggregate is improved. According to the process, the high-voltage electric pulse selective crushing advantage and the liquid-electric effect are comprehensively utilized, equipment abrasion is reduced, crushing energy consumption is reduced, the strengthening efficiency is improved, and the process is stable and reliable in operation, good in crushing effect, low in energy consumption, simple and wide in practicability.
本发明公开了一种混凝土再生骨料高压电脉冲回收强化工艺方法，包括高压电脉冲破碎、机械破碎、筛分、高压电脉冲强化几个步骤。本发明采用机械破碎与高压电脉冲相结合的方法回收废旧混凝土再生骨料，首先对废旧混凝土进行高压电脉冲破碎，实现钢筋与混凝土的分离，通过磁选回收钢筋，对去除钢筋的混凝土进行机械破碎，通过筛分获得适宜粒度的再生骨料，对适宜粒度的再生骨料进行高压电脉冲破碎强化处理，去除再生骨料表面砂浆，改善混凝土再生骨料性能。本发明工艺综合利用高压电脉冲选择性破碎优势和液电效应，减少设备磨损，降低破碎能耗，改善强化效率，其运行稳定可靠、破碎效果好、能耗低、工艺简单，具有广泛的实用性。
High-voltage electric pulse recycling and strengthening process method for concrete recycled aggregate
一种混凝土再生骨料高压电脉冲回收强化工艺方法
ZHANG BO (author) / REN GUANGJIAN (author) / YAO SHAOYU (author) / LI XIANGLIN (author) / WANG SHIXING (author) / YANG FAN (author) / ZHAO PENGFEI (author)
2024-03-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B02C
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
,
Brechen, Pulverisieren oder Zerkleinern allgemein
/
B03C
Magnetische oder elektrostatische Trennung fester Stoffe von festen Stoffen oder flüssigen oder gasförmigen Medien
,
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS
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