普通无烟煤滤料是从深井矿物中精选的，具有较高的含碳量百分比，采用人工分类，可减少无关矿物质并降低灰分含量，还经过过滤和冲洗，由于其具有较好的固体颗粒保持能力，因此无烟煤能够可靠地提高悬浮颗粒清除能力，此外它的均匀系数较低，有助于加快流速。
水洗无烟煤滤料是选用优质无烟煤为原料，经破碎、筛分、水洗加工而成。水洗无烟煤滤料特点是：固定碳含量高、密度大、强度大、外观光泽度好、化学性能稳定、具有较好的固体颗粒保持能力，能可靠的提高悬浮颗粒的清除，不含有毒有害物质，在酸性、中性水中均不溶解，抗压耐磨性强，有足够的比表面积和合理的粒径级配。
煅烧无烟煤滤料由于经过多次高温炼制，固定碳含量增加，一般作用于钢铁冶炼行业增碳用。
分析项目 | 测试数据 | 分析项目 | 测试数据 |
盐酸可溶率 （%） | ≤3.5 | 硬 度（莫氏） | 3-4 |
磨 损 率（%） | ≤0.2 | 密 度（g/cm3） | 0.85 |
固定碳含量（%） | 50-95 | 挥 发 分（%） | 6-7 |
比 重 （g/cm3） | 1.5 | 容 重（g/cm3） | 0.94 |
常用规格一般为：0.5－1mm，1－2mm，2－4mm，4-6mm，6-8mm，8-12mm |
无烟煤滤料广泛应用于化工、冶金、热电、制药、造纸、印染、食品等的生产前后的水质处理过程中。无烟煤滤料是一种普遍采用的最佳过滤材料，同石英砂滤料配合使用是我国目前推广的双层快速滤池和三层滤池、滤罐过滤的常见形式。
无烟煤滤料在过滤过程中所起作用的好坏直接影响着滤过的水质，故对此滤料的选择必须达到以下几点要求：
1、机械强度高，破碎率和磨损率之和不应大于3％（按重量计）。
2、化学性能稳定，不含有毒有害物质。在一般酸性、碱性、中性水中均不溶解。我厂产品经中国水处理滤料监督检测中心测定：盐酸可溶率为0.98％（部颁标准为3.5）在各类水源中均可达到良好的净化效果。
3、粒径级配合理，比表面积大，有棱角，光泽度好，经机械振动三次筛分，级配符合有关技术指标。
4、粒径范围小于指定下限粒径按重量计不大于3%，大于指定上限粒径按重量计不大于2%。
普通无烟煤滤料
水洗无烟煤滤料
煅烧无烟煤滤料
Product introduction:
Ordinary anthracite filter material is selected from the deep wells, with a high percentage of carbon content, the use of artificial classification, can reduce the amount of independent minerals and reduce ash content, but also through filtering and washing, due to its good solid particles keep ability, so the anthracite can improve the ability to remove suspended particles, in addition, it has a lower average coefficient, help to speed up the flow.
Washed anthracite filter material is the selection of high quality anthracite as raw material, after crushing, screening, washing and processing. Washed anthracite filter material is characterized by: high fixed carbon content, high density, high strength, good appearance, chemical stability, with good solid particles to maintain ability, can reliably improve the suspension particles, no toxic and harmful substances, in acid, neutral water are not dissolved, compressive and wear resistance is strong, there is enough specific surface area and reasonable particle size distribution.
Calcined anthracite because after several high-temperature refining, fixed carbon content increased, the general role in iron and steel smelting industry recarburization.
Product function:
Anthracite filter material widely used in chemical, metallurgy, thermal power, pharmaceutical, paper, printing and dyeing, food, etc..
Anthracite filter material in the filtering process in the role of a direct impact on the quality of the filter, so the filter material selection must meet the following requirements:
1, high mechanical strength, crushing rate and wear rate and should not be greater than 3% (by weight).
2, chemical performance is stable, does not contain toxic and harmful substances. In general acid, alkaline, neutral water are not dissolved. Our factory products by the China water treatment media supervision and test center measured: hydrochloric acid soluble rate was 0.98% (ministerial standard of 3.5) in all kinds of water can reach a good purification effect.
3, the grain size distribution is reasonable, the specific surface area is big, has the edges and corners, the gloss is good, after the mechanical vibration three screening, the gradation conforms to the technical index.
4, the particle size range is less than the specified minimum size of the particle size of less than 3%, greater than the specified maximum size of the particle size by weight is not more than 2%.
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