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A platform for research: civil engineering, architecture and urbanism
Reclamation method for used pep-set resin sand
The invention relates to a reclamation method for used pep-set resin sand. The reclamation method comprises the following steps that the used sand is fed, and specifically, the used pep-set resin sandis mechanically crushed into single particles; thermal reclamation is carried out, specifically, high-temperature roasting is carried out on the crushed used sand to obtain thermal sand; and thermalmechanical-chemical reclamation is carried out, specifically, the thermal sand is put into negative-pressure closed mechanical milling equipment, and an atomized acid liquor is sprayed in a shower mode to obtain reclaimed sand. The method is low in operation cost, high in efficiency and good in reclaimed sand quality; waste heat of the sand is fully utilized, and the policy of energy conservationand emission reduction is met; wet reclamation is not needed to be used again, basic oxides of the reclaimed sand are removed, and the bottleneck problem of the thermal reclamation is solved; and theadvantages of thermal-mechanical-chemical reclamation are combined, the industrial production can be realized, the efficiency is high, the effect is good, the additional thermal energy supplement is not needed, the equipment addition are not needed, the chemical reclamation in the thermal state can be realized, and the reclaimed sand is low in acid consumption value and good in usability.
本发明涉及一种派普树脂旧砂的再生方法，包括如下步骤：旧砂投料：将所述的派普树脂旧砂机械粉碎成单颗粒；热法再生：将经过破碎后的旧砂进行高温焙烧，得到热态砂；热态机械‑化学再生：将所述的热态砂放入负压密闭的机械碾磨设备中，淋浴式的喷洒雾化的酸液，得到再生砂。本发明的方法运行成本低，效率高，再生砂质量好；充分利用砂的余热，符合节能减排的政策；无需再利用湿法再生，去除再生砂的碱性氧化物，解决热法再生的瓶颈问题；结合热法‑机械‑化学再生的优点，可实现工业化生产，效率高，效果好，不需要额外补充热能和增加装备，可实现热态下化学再生，再生砂酸耗值低，可使用性好。
Reclamation method for used pep-set resin sand
The invention relates to a reclamation method for used pep-set resin sand. The reclamation method comprises the following steps that the used sand is fed, and specifically, the used pep-set resin sandis mechanically crushed into single particles; thermal reclamation is carried out, specifically, high-temperature roasting is carried out on the crushed used sand to obtain thermal sand; and thermalmechanical-chemical reclamation is carried out, specifically, the thermal sand is put into negative-pressure closed mechanical milling equipment, and an atomized acid liquor is sprayed in a shower mode to obtain reclaimed sand. The method is low in operation cost, high in efficiency and good in reclaimed sand quality; waste heat of the sand is fully utilized, and the policy of energy conservationand emission reduction is met; wet reclamation is not needed to be used again, basic oxides of the reclaimed sand are removed, and the bottleneck problem of the thermal reclamation is solved; and theadvantages of thermal-mechanical-chemical reclamation are combined, the industrial production can be realized, the efficiency is high, the effect is good, the additional thermal energy supplement is not needed, the equipment addition are not needed, the chemical reclamation in the thermal state can be realized, and the reclaimed sand is low in acid consumption value and good in usability.
本发明涉及一种派普树脂旧砂的再生方法，包括如下步骤：旧砂投料：将所述的派普树脂旧砂机械粉碎成单颗粒；热法再生：将经过破碎后的旧砂进行高温焙烧，得到热态砂；热态机械‑化学再生：将所述的热态砂放入负压密闭的机械碾磨设备中，淋浴式的喷洒雾化的酸液，得到再生砂。本发明的方法运行成本低，效率高，再生砂质量好；充分利用砂的余热，符合节能减排的政策；无需再利用湿法再生，去除再生砂的碱性氧化物，解决热法再生的瓶颈问题；结合热法‑机械‑化学再生的优点，可实现工业化生产，效率高，效果好，不需要额外补充热能和增加装备，可实现热态下化学再生，再生砂酸耗值低，可使用性好。
Reclamation method for used pep-set resin sand
一种派普树脂旧砂的再生方法
YIN HAIJUN (author) / MENG XUEFENG (author) / LI ZHUOQING (author) / BAO YUCHONG (author) / HU WENZHI (author)
2020-07-28
Patent
Electronic Resource
Chinese
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