影響透水磚性能的四個(gè)因素
一、影響透水磚性能的四個(gè)因素。
1、 Four factors that affect the performance of permeable bricks.
1、顆粒物料的粒度和粒度級(jí)匹配。
1. Match the particle size and grade of granular materials.
不同粒度的彩色透水磚制成的磚透水性不同，粒度大的透水性好；透水性不同于磚的強(qiáng)度和成型性，也不同于不同粒度分布的燒成后的透水性。一般來(lái)說(shuō)，合理的粒徑分布對(duì)產(chǎn)品性能影響很大，粒徑范圍越窄，透水性越好。
Bricks made of colored permeable bricks with different particle sizes have different water permeability, while those with larger particle sizes have better water permeability; The permeability is different from the strength and formability of bricks, as well as the permeability after firing with different particle size distributions. Generally speaking, a reasonable particle size distribution has a significant impact on product performance. The narrower the particle size range, the better the water permeability.
2、原材料加工方法。
2. Raw material processing methods.
粉狀物料的加工方法也有兩種，一種是干磨，由雷蒙磨加工，投資少，但粉塵大，物料均勻性差；另一種方法是濕磨，即將準(zhǔn)備好的材料用球磨機(jī)球磨至所需細(xì)度，然后噴霧干燥制成紙漿。用這種方法制備的粉末均勻性好，加工環(huán)境好，但投資大，成本高。
There are also two processing methods for powdered materials. One is dry grinding, which is processed by Raymond grinding, with low investment but high dust content and poor material uniformity; The other method is wet grinding, that is, the prepared materials are ground to the required fineness with a ball mill, and then spray dried to make pulp. The powder prepared by this method has good uniformity and processing environment, but it has high investment and cost.
3、造孔劑的種類和添加量。
3. The type and amount of pore forming agent added.
造孔劑主要是碳酸鹽。造孔劑主要用于提高產(chǎn)品的透水性。但造孔劑的加入會(huì)降低產(chǎn)品的成型性和干強(qiáng)度，部分造孔劑還會(huì)造成黑芯等缺陷。通常，使用的造孔劑是碳酸鹽。從實(shí)際效果來(lái)看，適量的造孔劑不僅能起到造孔的作用，還能起到助熔劑的作用，使產(chǎn)品的強(qiáng)度得到了明顯的提高，而過(guò)量添加則會(huì)起到相反的效果。
The pore forming agent is mainly carbonate. Pore forming agents are mainly used to improve the water permeability of products. However, the addition of pore forming agents can reduce the formability and dry strength of the product, and some pore forming agents can also cause defects such as black cores. Usually, the pore forming agent used is carbonate. From the actual effect, an appropriate amount of pore forming agent can not only play a role in pore forming, but also act as a flux, significantly improving the strength of the product. However, excessive addition will have the opposite effect.
4、粉狀物料的組成和添加量
4. Composition and dosage of powdered materials
透水磚的制成品是將粒狀材料和粉狀材料與水混合，然后成型和燒制而成。顆粒材料是骨架和主料，粉狀材料是輔料，由助熔劑、造孔劑和粘結(jié)劑組成。上述成分的合理組合對(duì)成型性、干燥性、燒成性和產(chǎn)品性能起著關(guān)鍵作用。
The finished product of permeable bricks is made by mixing granular and powdered materials with water, then forming and firing them. Granular materials are the skeleton and main materials, while powdered materials are auxiliary materials, composed of fluxes, pore forming agents, and binders. The reasonable combination of the above ingredients plays a crucial role in shaping, drying, firing, and product performance.
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