Raw sand

Production line of reshaping silica sand mainly consists of raw sand drying , reshaping , screening , packing section and dust collecting system .

整形硅砂生产线主要由原砂烘干、整形、筛分、包装工段以及除尘系统组成。

The results show that , the main factors of affecting the normal temperature strength and collapsibility include the sodium silicate binder quality and its quantity added , the raw sand quality , and temperature and humidity in work surrounding .

结果表明，影响水玻璃砂常温强度及溃散性的因素包括水玻璃的种类及模数.原砂的品质、水玻璃的加入量、环境温度及湿度等。

Clay-bonded sand casting process is one of main methods for foundry industry . Clay-bonded sand is composed of clay , raw sand , bentonite and coal powder . Determination of effective bentonite content in moulding sand or used sand is essential for the sand casting performance testing .

粘土砂型铸造是主要铸造方法之一，粘土砂型由原砂、膨润土、煤粉等组成，测定型砂或旧砂中的有效膨润土含量是铸造用型砂性能检测必不可少的环节。

Adsorption of antimony and phosphate on IOCS were performed by batch experiments and pilot column experiments under different conditions . Significantly improving adsorptive removal of Sb and P on IOCS were observed in batch experiments compared with that on raw quartz sand .

通过小试摇床实验和中试柱子实验考察了IOCS在不同条件下吸附除锑、磷的效果，研究结果表明：与原砂相比，IOCS对锑、磷的去除率明显增加。

The average particle numbers of raw water , sand filtrated water and ultrafiltrated water are given in Fig.

平均粒子数量的原水，沙过滤水和超滤水给出了图。

It involves placing the raw materials - sand and " other inorganic material " - into a melting pot .

首先，将生产玻璃的原材料，硅沙和其它无机金属材料一起放到一个大熔炉中。

According to the analysis results and quality requirement of siliceous raw material ( sand for glass ) for glass industry , a new method of evaluating placers for glass along the seasides , the evaluation method of concentrates , was put forward in the paper .

结合国内外玻璃工业对硅质原料（玻璃砂）的质量要求，提出滨海玻璃砂矿新的评价方法&精矿评价法。

Testing include : monitoring of the different rainstorm lasted get flooded and the water flow of rainwater identification , filtering sand barrels activated , the replacement of the filtering effects of different materials , different pollutants in the raw water through sand barrels after treatment effect study .

试验内容包括：监测不同暴雨历时下的进水水质过滤砂桶的启动、更换不同填料对于过滤效果的影响、含不同污染物的原水经过砂桶后的处理效果研究。

Research on Properties of Main Raw Material of Coated Sand

对覆膜砂主要原材料性能的研究分析

Using the synthetic water composed of phenol and ammonia the feasibility and technical process to remove turbidity and trace pollutants simultaneously from the slightly polluted raw water by biological sand filter ( BSF ) are studied .

以酚和氨氮作为微污染原水模拟污染物研究了生物砂滤池同时去除微污染原水浊度和微量污染物的可行性和工艺特征。