The fundamental ingredients of PEO modified sodium silicate binder are determined, and the bonding strength in room temperature and retained strength in high temperature of ester cured sand and CO2 hardening sand are tested. 确定了聚氧化乙烯改性水玻璃粘结剂的基本组分,测试了有机酯自硬和CO2气硬型砂的常温粘结强度和高温残留强度。
The Main Factor of Affecting the Properties of Dry Reclaimed Sand Bonded with Sodium Silicate Hardened by Ester 影响酯硬化水玻璃干法再生砂性能的主要因素
Improvement of the natural temperature strength and collapsibility of sodium silicate sand hardened by ester 提高酯硬化水玻璃砂常温强度及溃散性研究
Process of Sodium Silicate Sand by Organic Ester Hardening Without Waste Sand and Machine for Used Sand 无废砂排放的有机酯水玻璃砂工艺及旧砂再生设备
Based on the application practice of ester-hardened sodium silicate sand and by adopting orthogonal experiment, the influences of sodium silicate addition amount, the organic ester addition amount and the moisture content of the sand mixture on properties of the ester-hardened sodium silicate sand were investigated and analyzed. 根据酯硬化水玻璃的实际使用情况,采用正交试验法,研究分析了水玻璃加入量、有机酯加入量及型砂水分含量对酯硬化水玻璃砂性能的影响,找到了最佳工艺参数。
The Characteristic of Reclaimed Sands Bonded with Sodium Silicate Hardened by Ester 酯硬化水玻璃再生砂的性能特征
The Technology of Sodium Silicate Sand Hardened by Ester and the Reclamation of the Used Sand 酯硬化水玻璃砂工艺及其旧砂再生
As the bending strength of sodium silicate sand cured by ester method is much higher than that cured by CO_2 method the analysis shows that the key point is the refinement of grains of silicate gel. 分析了酯法比CO2法水玻璃砂强度高的原因,指出充分发挥水玻璃粘结效率的关键在于细化水玻璃凝胶胶位。