PREPARATION PROCESS OF NEW GLASS PERMEABLE BRICKS BY HOT PRESSING

WANG Zhi-yu; GUO Jia-lin; LI Chun; ZHANG Guo-chun; ZHAO Wei

doi:10.13205/j.hjgc.202006037

Volume 38 Issue 6

Aug. 2020

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WANG Zhi-yu, GUO Jia-lin, LI Chun, ZHANG Guo-chun, ZHAO Wei. PREPARATION PROCESS OF NEW GLASS PERMEABLE BRICKS BY HOT PRESSING[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 228-232. doi: 10.13205/j.hjgc.202006037

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WANG Zhi-yu, GUO Jia-lin, LI Chun, ZHANG Guo-chun, ZHAO Wei. PREPARATION PROCESS OF NEW GLASS PERMEABLE BRICKS BY HOT PRESSING[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 228-232. doi: 10.13205/j.hjgc.202006037

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PREPARATION PROCESS OF NEW GLASS PERMEABLE BRICKS BY HOT PRESSING

doi: 10.13205/j.hjgc.202006037

Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources(Shangluo University), Shangluo 726000, China

Received Date: 2019-05-10

Abstract

Abstract

In this study, we aimed to find solutions for problems existed in the current permeable bricks properties and manufacturing technology. We evaluated the function of a new type of glass permeable bricks mainly composed of lead-zinc tailings. By secondary sintering, lead-zinc tailings and other raw materials were firstly melted into the basic glass, and then the basic glass was sintered at different temperatures and under different pressing loads, to obtain glass permeable brick samples. The compression strength, rupture strength and permeability coefficient of the samples were tested and analyzed. The results showed that when the sintering temperature was 680 ℃ and the pressing load was 0.82 kN/m², the function evaluation results of the samples was most satisfactory. And then, the compression strength was 1.90 MPa, the rupture strength was 2.60 MPa, and the permeability coefficient was 0.6 cm/s. In conclusion, the glass permeable brick made from lead-zinc tailings could possess good water permeability and mechanical properties, which provided an effective way for comprehensive utilization of lead-zinc tailings and showed good application prospect.
- glass permeable brick,
- lead-zinc tailings,
- hot pressing

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