A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Process for preparing light-weight high-strength ceramsite through cooperation of waste incineration fly ash and oil sludge hazardous waste and common solid waste
The invention discloses a process for preparing lightweight high-strength ceramsite from waste incineration fly ash cooperating with oily sludge hazardous waste and common solid waste, which comprises the following steps: S1, pretreatment: adding water into fly ash step by step, washing with water, stirring, carrying out solid-liquid separation, and drying to reduce the water content to 3% or below; the oil sludge hazardous waste is sequentially subjected to sorting, crushing and scattering and multi-stage screening, so that screen underflow is powdery substances; s2, mixing the pretreated fly ash and oil sludge hazardous waste, and controlling the water content of the mixed material to be 18-23%; s3, two-stage drying is conducted on the ceramsite green body, so that the water content of the ceramsite green body is reduced to 3%-5%; the strength of the ceramsite green body after two-stage drying is greater than 2MPa; and S4, feeding the ceramsite green body subjected to two-stage drying into a sintering system for calcining, and cooling to obtain the lightweight high-strength ceramsite. According to the invention, household garbage incineration fly ash, oil sludge hazardous waste and common solid waste fly ash are co-processed, the purpose of producing green building materials by comprehensive utilization of solid waste and hazardous waste is realized, and the environmental protection concepts of energy conservation, emission reduction, green and low carbon are really practiced.
本发明公开了一种垃圾焚烧飞灰协同油泥类危废及一般固废制备轻质高强陶粒的工艺，步骤如下：S1、预处理，飞灰逐级加水进行水洗搅拌及固液分离，干化，使含水率降至3%以下；油泥类危废依次分选、破碎打散、多级筛分，使筛下物均为粉状物质；S2、预处理后的飞灰和油泥类危废混合配料，控制掺混后物料含水率为18‑23%；S3、陶粒生胚两段干化，使其含水率降至3‑5%；两段干化后陶粒生胚强度＞2MPa；S4、两段干化后的陶粒生胚送入烧成系统煅烧，经冷却后得到轻质高强陶粒。本发明协同处置了生活垃圾焚烧飞灰、油泥类危废及一般固废粉煤灰，实现了固废危废综合利用生产绿色建材的目的，真正践行了节能减排，绿色低碳的环保理念。
Process for preparing light-weight high-strength ceramsite through cooperation of waste incineration fly ash and oil sludge hazardous waste and common solid waste
The invention discloses a process for preparing lightweight high-strength ceramsite from waste incineration fly ash cooperating with oily sludge hazardous waste and common solid waste, which comprises the following steps: S1, pretreatment: adding water into fly ash step by step, washing with water, stirring, carrying out solid-liquid separation, and drying to reduce the water content to 3% or below; the oil sludge hazardous waste is sequentially subjected to sorting, crushing and scattering and multi-stage screening, so that screen underflow is powdery substances; s2, mixing the pretreated fly ash and oil sludge hazardous waste, and controlling the water content of the mixed material to be 18-23%; s3, two-stage drying is conducted on the ceramsite green body, so that the water content of the ceramsite green body is reduced to 3%-5%; the strength of the ceramsite green body after two-stage drying is greater than 2MPa; and S4, feeding the ceramsite green body subjected to two-stage drying into a sintering system for calcining, and cooling to obtain the lightweight high-strength ceramsite. According to the invention, household garbage incineration fly ash, oil sludge hazardous waste and common solid waste fly ash are co-processed, the purpose of producing green building materials by comprehensive utilization of solid waste and hazardous waste is realized, and the environmental protection concepts of energy conservation, emission reduction, green and low carbon are really practiced.
本发明公开了一种垃圾焚烧飞灰协同油泥类危废及一般固废制备轻质高强陶粒的工艺，步骤如下：S1、预处理，飞灰逐级加水进行水洗搅拌及固液分离，干化，使含水率降至3%以下；油泥类危废依次分选、破碎打散、多级筛分，使筛下物均为粉状物质；S2、预处理后的飞灰和油泥类危废混合配料，控制掺混后物料含水率为18‑23%；S3、陶粒生胚两段干化，使其含水率降至3‑5%；两段干化后陶粒生胚强度＞2MPa；S4、两段干化后的陶粒生胚送入烧成系统煅烧，经冷却后得到轻质高强陶粒。本发明协同处置了生活垃圾焚烧飞灰、油泥类危废及一般固废粉煤灰，实现了固废危废综合利用生产绿色建材的目的，真正践行了节能减排，绿色低碳的环保理念。
Process for preparing light-weight high-strength ceramsite through cooperation of waste incineration fly ash and oil sludge hazardous waste and common solid waste
垃圾焚烧飞灰协同油泥类危废及一般固废制备轻质高强陶粒的工艺
DONG TAO (author) / FAN QINGSHUAI (author) / GUO ZONGHUI (author) / LIU WEI (author) / ZHANG GUIMIN (author) / HONG CHANGLIANG (author) / LIU SHENG (author) / LI WEIWEI (author) / OU JUNJIE (author)
2024-03-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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