Polycarboxylic acid high-performance pumping agent as well as production process and preparation device thereof

Abstract

The invention relates to the technical field of concrete admixtures, in particular to a polycarboxylic acid high-performance pumping agent as well as a production process and a preparation device thereof. The polycarboxylic acid high-performance pumping agent comprises the following raw materials in parts by mass: 30-35 parts of polycarboxylic acid mother liquor, 3-5 parts of a slow release agent, 0.6-0.8 part of a high-performance viscosity modifier, 0.6-0.8 part of an anti-mud agent, 0.1-0.3 part of an air entraining agent, 0.1-0.3 part of an anti-freezing agent, 0.3-0.5 part of a water-retaining agent, 0.1-0.3 part of a defoaming agent and 20-40 parts of water. According to the polycarboxylic acid high-performance pumping agent provided by the invention, all the components have a synergistic effect, so that the prepared polycarboxylic acid high-performance pumping agent is good in flowing property, good in pumping effect and good in water reducing and retarding performance, and the slump loss of concrete can be effectively controlled; and the production process of the polycarboxylic acid high-performance pumping agent provided by the invention has the advantages of simple production process, convenience in construction, no need of special equipment, low preparation cost, high production efficiency and higher popularization and application values.

Description

technical field [0001] The invention relates to the technical field of concrete admixtures, in particular to a polycarboxylic acid high-performance pumping agent and its production process and preparation device. Background technique [0002] Polycarboxylate superplasticizer has the advantages of environmental protection, high water reducing rate, and small slump loss. It is an indispensable component in high-performance concrete and a hot spot in the research of concrete admixtures. Due to the significant progress in concrete technology and design methods, the water-reducing rate and cement adaptability requirements of admixtures have been continuously improved, especially the development of high-strength, high-fluidity high-performance concrete has put forward higher requirements for admixtures. [0003] The patent application number CN00119482.8 discloses a pumping agent for high-performance concrete and its technology. Liquid, sodium sulfate, water, through the preparat...

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Problems solved by technology

[0004] However, the above-mentioned high-performance concrete pumping agent and its process are added with modified naphthalenesulfonic acid formaldehyde condensate components, resulting in poor environmental protection, high price, and poor pumping effect.

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