A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mortar lining material, nodular cast iron pipe lining for sewage and manufacturing method of nodular cast iron pipe lining
The invention relates to the technical field of pipeline linings, and particularly discloses a mortar lining material, a nodular cast iron pipe lining for sewage and a manufacturing method of the nodular cast iron pipe lining for sewage, and the cement mortar lining comprises high-alumina cement, granulated blast furnace slag micropowder, silica fume, sand, water and an additive. And uniformly distributing the lining mortar into the nodular cast iron pipe, carrying out centrifugal lining coating at three stages of low speed, medium speed and high speed, and then carrying out natural curing and steam curing to prepare the nodular cast iron pipe anti-corrosion lining. The anti-corrosion lining obtained through the method is high in compactness, low in later strength reduction, good in corrosion resistance and low in manufacturing cost, the adhesive force of the cement mortar lining reaches 6.5 MPa after the cement mortar lining is 90 days old, the porosity is 8.7%, and the cracking ratio is 18%.
本发明涉及管道内衬技术领域，具体公开一种砂浆内衬材料、污水用球墨铸铁管内衬及其制作方法，所述水泥砂浆内衬包括高铝水泥、粒化高炉矿渣微粉、硅灰、砂、水及添加剂。内衬砂浆均匀布料至球墨铸铁管内，经低速、中速、高速三阶段的离心涂衬，再经自然养护、蒸汽养护后制成球墨铸铁管防腐内衬。通过该方法得到的防腐内衬密实程度高，后期强度倒缩减少，耐腐蚀性能好，制造成本低，水泥砂浆内衬达90天龄期后附着力达6.5MPa，孔隙率为8.7％，开裂比例为18％。
Mortar lining material, nodular cast iron pipe lining for sewage and manufacturing method of nodular cast iron pipe lining
The invention relates to the technical field of pipeline linings, and particularly discloses a mortar lining material, a nodular cast iron pipe lining for sewage and a manufacturing method of the nodular cast iron pipe lining for sewage, and the cement mortar lining comprises high-alumina cement, granulated blast furnace slag micropowder, silica fume, sand, water and an additive. And uniformly distributing the lining mortar into the nodular cast iron pipe, carrying out centrifugal lining coating at three stages of low speed, medium speed and high speed, and then carrying out natural curing and steam curing to prepare the nodular cast iron pipe anti-corrosion lining. The anti-corrosion lining obtained through the method is high in compactness, low in later strength reduction, good in corrosion resistance and low in manufacturing cost, the adhesive force of the cement mortar lining reaches 6.5 MPa after the cement mortar lining is 90 days old, the porosity is 8.7%, and the cracking ratio is 18%.
本发明涉及管道内衬技术领域，具体公开一种砂浆内衬材料、污水用球墨铸铁管内衬及其制作方法，所述水泥砂浆内衬包括高铝水泥、粒化高炉矿渣微粉、硅灰、砂、水及添加剂。内衬砂浆均匀布料至球墨铸铁管内，经低速、中速、高速三阶段的离心涂衬，再经自然养护、蒸汽养护后制成球墨铸铁管防腐内衬。通过该方法得到的防腐内衬密实程度高，后期强度倒缩减少，耐腐蚀性能好，制造成本低，水泥砂浆内衬达90天龄期后附着力达6.5MPa，孔隙率为8.7％，开裂比例为18％。
Mortar lining material, nodular cast iron pipe lining for sewage and manufacturing method of nodular cast iron pipe lining
一种砂浆内衬材料、污水用球墨铸铁管内衬及其制作方法
WANG JUNCHANG (author) / ZHAO HAIQING (author) / MA ZONGYONG (author) / WANG YING (author)
2023-04-04
Patent
Electronic Resource
Chinese
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