A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concrete retarder and preparation method thereof
The invention discloses a concrete retarder and a preparation method thereof, and relates to the technical field of concrete admixtures. The concrete retarder comprises the following components by weight: 40-60 parts of zinc chloride, 3-5 parts of urea, 8-16 parts of slow-setting slow-release particles, and 5-15 parts of quick-setting slow-release particles. The preparation method comprises the following steps: S1, treating the slow-setting slow-release particles and the quick-setting slow-release particles with a pretreatment solution, pretreating the slow-setting slow-release particles for 1-2 times, and treating the quick-setting slow-release particles for 5-10 times; and and S2, uniformly mixing the treated slow-setting slow-release particles and quick-setting slow-release particles with other components in proportion. The concrete retarder has the advantage of regulating and controlling the concrete retarding time.
本发明公开了一种混凝土缓凝剂及其制备方法，涉及混凝土外加剂的技术领域，缓凝剂包括以下重量份数的组分：氯化锌40～60份、尿素3～5份、缓凝缓释颗粒8～16份、速凝缓释颗粒5～15份。制备方法包括一下步骤：S1：对缓凝缓释颗粒和速凝缓释颗粒用预处理液进行处理，缓凝缓释颗粒预处理1～2次，速凝缓释颗粒处理5～10次、S2：将处理后的缓凝缓释颗粒和速凝缓释颗粒与其他组分按比例混合均匀。本发明具有调控混凝土缓凝时间的优点。
Concrete retarder and preparation method thereof
The invention discloses a concrete retarder and a preparation method thereof, and relates to the technical field of concrete admixtures. The concrete retarder comprises the following components by weight: 40-60 parts of zinc chloride, 3-5 parts of urea, 8-16 parts of slow-setting slow-release particles, and 5-15 parts of quick-setting slow-release particles. The preparation method comprises the following steps: S1, treating the slow-setting slow-release particles and the quick-setting slow-release particles with a pretreatment solution, pretreating the slow-setting slow-release particles for 1-2 times, and treating the quick-setting slow-release particles for 5-10 times; and and S2, uniformly mixing the treated slow-setting slow-release particles and quick-setting slow-release particles with other components in proportion. The concrete retarder has the advantage of regulating and controlling the concrete retarding time.
本发明公开了一种混凝土缓凝剂及其制备方法，涉及混凝土外加剂的技术领域，缓凝剂包括以下重量份数的组分：氯化锌40～60份、尿素3～5份、缓凝缓释颗粒8～16份、速凝缓释颗粒5～15份。制备方法包括一下步骤：S1：对缓凝缓释颗粒和速凝缓释颗粒用预处理液进行处理，缓凝缓释颗粒预处理1～2次，速凝缓释颗粒处理5～10次、S2：将处理后的缓凝缓释颗粒和速凝缓释颗粒与其他组分按比例混合均匀。本发明具有调控混凝土缓凝时间的优点。
Concrete retarder and preparation method thereof
一种混凝土缓凝剂及其制备方法
CHEN LIPING (author)
2020-08-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME