Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for making bricks by mixing fly ash and furnace slag
The invention provides a method for making bricks by mixing fly ash and furnace slag. The method comprises the following steps of: (1) chemical agent diluting; (2) fly ash stabilization; (3) furnace slag crushing and screening; (4) mixing and brick making; d an(5) curing and forming. Heavy metals in the fly ash are stabilized by using a chelating agent, then the fly ash, the furnace slag, magnesium phosphate cement, auxiliary materials and water are mixed and stirred, the mixture is poured into a mold to be cured and formed, and a fly ash and furnace slag mixed cement brick is obtained. The chelating agent stabilizes heavy metals in the fly ash, so that the heavy metals are not easy to leach; due to addition of the furnace slag, the magnesium phosphate cement and the auxiliary materials, the stabilizing effect on the heavy metals is further enhanced, meanwhile, the strength of the brick is improved, the environmental risk of fly ash landfill is reduced, and the brick can be recycled, can be used as a roadbed or a foundation, a seawall, a mine goaf filler and the like, and harmful substances can be converted into useful things.
本发明提出的一种飞灰与炉渣混合制砖的方法，步骤如下：(1)药剂稀释；(2)飞灰稳定化；(3)炉渣破碎筛分；(4)混合制砖；(5)养护成型。本发明利用螯合剂稳定飞灰中的重金属，然后与炉渣、磷酸镁水泥、辅助材料、加水混合搅拌，倒入模具中养护成型，得到飞灰炉渣混合水泥砖块。螯合剂稳定飞灰中重金属，使之不易浸出；炉渣、磷酸镁水泥及辅助材料的加入进一步加强了对重金属的稳定化作用，同时提高砖块强度，减小了飞灰填埋的环境风险，而且还可作资源化利用，可作为路基或地基、海堤、矿山采空区填充料等，变害为宝。
Method for making bricks by mixing fly ash and furnace slag
The invention provides a method for making bricks by mixing fly ash and furnace slag. The method comprises the following steps of: (1) chemical agent diluting; (2) fly ash stabilization; (3) furnace slag crushing and screening; (4) mixing and brick making; d an(5) curing and forming. Heavy metals in the fly ash are stabilized by using a chelating agent, then the fly ash, the furnace slag, magnesium phosphate cement, auxiliary materials and water are mixed and stirred, the mixture is poured into a mold to be cured and formed, and a fly ash and furnace slag mixed cement brick is obtained. The chelating agent stabilizes heavy metals in the fly ash, so that the heavy metals are not easy to leach; due to addition of the furnace slag, the magnesium phosphate cement and the auxiliary materials, the stabilizing effect on the heavy metals is further enhanced, meanwhile, the strength of the brick is improved, the environmental risk of fly ash landfill is reduced, and the brick can be recycled, can be used as a roadbed or a foundation, a seawall, a mine goaf filler and the like, and harmful substances can be converted into useful things.
本发明提出的一种飞灰与炉渣混合制砖的方法，步骤如下：(1)药剂稀释；(2)飞灰稳定化；(3)炉渣破碎筛分；(4)混合制砖；(5)养护成型。本发明利用螯合剂稳定飞灰中的重金属，然后与炉渣、磷酸镁水泥、辅助材料、加水混合搅拌，倒入模具中养护成型，得到飞灰炉渣混合水泥砖块。螯合剂稳定飞灰中重金属，使之不易浸出；炉渣、磷酸镁水泥及辅助材料的加入进一步加强了对重金属的稳定化作用，同时提高砖块强度，减小了飞灰填埋的环境风险，而且还可作资源化利用，可作为路基或地基、海堤、矿山采空区填充料等，变害为宝。
Method for making bricks by mixing fly ash and furnace slag
一种飞灰与炉渣混合制砖的方法
LONG JISHENG (Autor:in) / HU FALI (Autor:in) / ZOU XIN (Autor:in) / JIAO XUEJUN (Autor:in) / BAI LI (Autor:in) / WANG YOUDONG (Autor:in) / QI XUEJIANG (Autor:in) / PENG XIAOLONG (Autor:in) / YANG DEKUN (Autor:in) / ZHANG YIYANG (Autor:in)
09.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B28C
Tonaufbereitung
,
PREPARING CLAY
Method for making bricks by utilizing tailings and furnace slag
| Europäisches Patentamt | 2021
Development of bricks from granulated blast furnace slag
| Online Contents | 1996
Development of bricks from granulated blast furnace slag
| British Library Online Contents | 1996
Development of Cementitions Binder and Bricks from Granulated Blast Furnace Slag
| British Library Conference Proceedings | 2000
Engineering Index Backfile | 1898