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The invention discloses an environment-friendly baking-free brick prepared from sludge and furnace slag. Raw materials include: sludge, domestic incinerator slag, cement, a curing agent and water in amass ratio of (35-40): (10-15): (40-50): (5-10). The preparation method comprises the following steps: carrying out pyrohydrolysis and thermophilic anaerobic digestion treatment on raw sludge, and dehydrating to obtain dehydrated sludge; adding a deodorant into the dehydrated sludge, naturally deodorizing and airing, then crushing, sieving with a 100-mesh sieve to obtain sludge powder, and sieving the domestic incinerator slag with a 50-mesh sieve to obtain slag particles; and mixing the sludge powder and the slag particles with Portland cement, a curing agent and water, putting the obtainedmixture into a mold, performing extrusion and compression molding, and performing maintenance in air so as to obtain the environment-friendly baking-free brick. Waste sludge and furnace slag can be used as raw materials to prepare the environment-friendly baking-free brick which is stable in property, free of pollution and capable of meeting the strength requirement.
本发明公开了一种利用污泥和炉渣制备的环保免烧砖,原料包括:污泥、生活垃圾焚烧炉渣、水泥、固化剂和水,按质量比计,污泥︰生活垃圾焚烧炉渣︰水泥︰固化剂为35~40︰10~15︰40~50︰5~10。制备方法为:将原生污泥经热水解、高温厌氧消化处理后进行脱水,得脱水污泥;向脱水污泥加入除臭剂,进行自然除臭和晾干,然后破碎,过100目筛,得污泥粉末,将生活垃圾焚烧炉渣过50目筛,得炉渣颗粒;将污泥粉末和炉渣颗粒与硅酸盐水泥、固化剂及水混合,所得混合物放入模具中,进行挤压、压制成型,于空气中养护,即得环保免烧砖。本发明能利用废料污泥和炉渣作为原料制备性质稳定、无污染、强度能满足需求的环保免烧砖。
The invention discloses an environment-friendly baking-free brick prepared from sludge and furnace slag. Raw materials include: sludge, domestic incinerator slag, cement, a curing agent and water in amass ratio of (35-40): (10-15): (40-50): (5-10). The preparation method comprises the following steps: carrying out pyrohydrolysis and thermophilic anaerobic digestion treatment on raw sludge, and dehydrating to obtain dehydrated sludge; adding a deodorant into the dehydrated sludge, naturally deodorizing and airing, then crushing, sieving with a 100-mesh sieve to obtain sludge powder, and sieving the domestic incinerator slag with a 50-mesh sieve to obtain slag particles; and mixing the sludge powder and the slag particles with Portland cement, a curing agent and water, putting the obtainedmixture into a mold, performing extrusion and compression molding, and performing maintenance in air so as to obtain the environment-friendly baking-free brick. Waste sludge and furnace slag can be used as raw materials to prepare the environment-friendly baking-free brick which is stable in property, free of pollution and capable of meeting the strength requirement.
本发明公开了一种利用污泥和炉渣制备的环保免烧砖,原料包括:污泥、生活垃圾焚烧炉渣、水泥、固化剂和水,按质量比计,污泥︰生活垃圾焚烧炉渣︰水泥︰固化剂为35~40︰10~15︰40~50︰5~10。制备方法为:将原生污泥经热水解、高温厌氧消化处理后进行脱水,得脱水污泥;向脱水污泥加入除臭剂,进行自然除臭和晾干,然后破碎,过100目筛,得污泥粉末,将生活垃圾焚烧炉渣过50目筛,得炉渣颗粒;将污泥粉末和炉渣颗粒与硅酸盐水泥、固化剂及水混合,所得混合物放入模具中,进行挤压、压制成型,于空气中养护,即得环保免烧砖。本发明能利用废料污泥和炉渣作为原料制备性质稳定、无污染、强度能满足需求的环保免烧砖。
Environment-friendly baking-free brick prepared from sludge and furnace slag and preparation method thereof
一种利用污泥和炉渣制备的环保免烧砖及制备方法
ZHANG LE (author)
2020-05-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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