Since 2001, when polycarboxylic acid admixture products were first applied to Shanghai magnetic levitation projects, the polycarboxylic acid admixtures developed rapidly in terms of technology and market size in only 6-7 years. From the perspective of the development and application of polycarboxylate water-reducing agents in recent years, the application trend of polycarboxylic acid-based water-reducing agents is from the application of key engineering sites in the past to general major projects and general engineering applications. High-strength grade, special-purpose concrete is gradually applied to ordinary concrete. At present, it is widely used in major and key projects in all countries, especially in water conservancy, hydropower, hydraulic engineering, offshore engineering, and bridges.
At present, the application of polycarboxylic acid-based water-reducing agents has gone from the key project areas in the past to the current general key projects and key parts of general engineering, and the trend of replacing the traditional naphthalene-based water-reducing agents with polycarboxylic acid-based water-reducing agents is becoming more and more obvious.
However, since the conventional polycarboxylic acid water-reducing agents are all liquid type, the transportation cost is high, the use is inconvenient, and the solidification and powderization of the polycarboxylic acid have become the trend of the times.
The polycarboxylic acid liquid exhibits a viscous liquid state even in the case of water drying, and there is no way to solidify, dry powder, and powder, so it is technically difficult.
Changzhou Wanjia Drying Equipment Co., Ltd. has started solidification of polycarboxylic acid since 2011 in response to market demand, and research on polycarboxylic acid powdering technology has been completed for two years, or ended successfully.
The combination of technology and equipment can produce high-quality polycarboxylic acid powders. Changzhou Wanjia Drying Equipment Co., Ltd. has further optimized the formula so that it can use the requirements of solidification and dry powdering; it is carried out on the equipment. Improvements and adjustments are made to ensure that the polycarboxylic acid dries and the polycarboxylate solids are continuously produced.
The experimental results of new technologies and new equipment have made Changzhou Wanjia Drying Equipment Co., Ltd. a leader in the domestic polycarboxylic acid drying and polycarboxylic acid spraying industry.
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