電話：4006-567-999
郵箱：info@beschan.cn
微信：4006-567-999
一、产品概述
粗滤型硅藻土助滤剂是硅藻土助滤剂系列中的重要产品之一。它由天然硅藻土经过特殊加工工艺制成，保留了硅藻土独特的多孔结构和吸附性能，同时具备适合粗滤场景的颗粒特性和过滤性能。
1. Product Overview
The coarse filtration type diatomite filter aid is one of the important products in the diatomite filter aid series. It is made of natural diatomite through a special processing technology, retaining the unique porous structure and adsorption properties of diatomite, while having particle characteristics and filtration performance suitable for coarse filtration scenarios.
二、产品特点
快速过滤：颗粒相对较大，孔隙尺寸也较大，这使得液体能够在相对较短的时间内快速通过过滤介质。在一些对过滤速度要求较高的工业生产环节中，粗滤型硅藻土助滤剂能够大大提高生产效率。例如，在建筑材料生产过程中，对含有大量沙石颗粒的原料水进行初步过滤时，粗滤型硅藻土助滤剂可以迅速去除较大颗粒的杂质，为后续的精细处理节省时间。
成本效益高：由于其颗粒较大，生产加工相对简单，因此成本相对较低。对于一些对过滤精度要求不高，但需要进行大规模过滤处理的行业来说，粗滤型硅藻土助滤剂是一种经济实惠的选择。比如在污水处理的初级阶段，使用粗滤型硅藻土助滤剂可以快速去除污水中的大颗粒悬浮物，降低后续处理的难度和成本。
良好的稳定性：尽管主要用于粗滤，但粗滤型硅藻土助滤剂依然具有较高的化学稳定性和机械强度。它能够在不同的温度、酸碱度等环境条件下保持稳定的过滤性能，不易被腐蚀或损坏。在一些工业生产过程中，即使面临复杂的化学环境，粗滤型硅藻土助滤剂也能可靠地发挥作用。
2. Product Features
Fast filtration: The particles are relatively large and the pore size is also large, which allows the liquid to quickly pass through the filter medium in a relatively short time. In some industrial production links that require high filtration speed, coarse filtration diatomite filter aids can greatly improve production efficiency. For example, in the production process of building materials, when the raw water containing a large amount of sand and stone particles is initially filtered, the coarse filtration diatomite filter aid can quickly remove impurities of larger particles, saving time for subsequent fine processing.
High cost-effectiveness: Due to its large particles, the production and processing are relatively simple, so the cost is relatively low. For some industries that do not require high filtration accuracy but require large-scale filtration treatment, coarse filtration diatomite filter aids are an economical choice. For example, in the primary stage of sewage treatment, the use of coarse filtration diatomite filter aids can quickly remove large suspended particles in sewage, reducing the difficulty and cost of subsequent treatment.
Good stability: Although it is mainly used for coarse filtration, coarse filtration diatomite filter aids still have high chemical stability and mechanical strength. It can maintain stable filtration performance under different environmental conditions such as temperature, pH, and is not easily corroded or damaged. In some industrial production processes, coarse filtration diatomaceous earth filter aids can function reliably even in complex chemical environments.
三、适用场景
建筑材料行业:在混凝土生产中，可用于过滤砂石等原材料中的杂质，确保混凝土的质量。通过粗滤型硅藻土助滤剂的快速过滤，可以去除较大颗粒的泥土、石块等杂质，提高混凝土的强度和耐久性。
污水处理领域:在污水处理的初级阶段，作为预处理手段，去除污水中的大颗粒悬浮物、泥沙等杂质。为后续的生物处理、深度处理等环节减轻负担，提高整个污水处理系统的效率。
矿业行业:在矿石加工过程中，用于过滤矿浆中的大颗粒杂质，提高矿石的品位。例如，在铁矿石选矿过程中，粗滤型硅藻土助滤剂可以快速去除矿浆中的石块、废渣等杂质，为后续的磁选、浮选等工艺提供更纯净的原料。
3. Applicable scenarios
Building materials industry: In concrete production, it can be used to filter impurities in raw materials such as sand and gravel to ensure the quality of concrete. Through the rapid filtration of coarse filtration diatomite filter aids, larger particles of soil, stones and other impurities can be removed to improve the strength and durability of concrete.
Sewage treatment field: In the primary stage of sewage treatment, as a pretreatment method, remove large particles of suspended solids, silt and other impurities in sewage. Reduce the burden for subsequent biological treatment, deep treatment and other links, and improve the efficiency of the entire sewage treatment system.
Mining industry: In the process of ore processing, it is used to filter large particles of impurities in the slurry and improve the grade of the ore. For example, in the process of iron ore beneficiation, coarse filtration diatomite filter aids can quickly remove impurities such as stones and waste slag in the slurry, providing purer raw materials for subsequent magnetic separation, flotation and other processes.
四、使用方法
预涂:在过滤设备中，首先将粗滤型硅藻土助滤剂均匀地预涂在过滤介质上，形成一层初始的过滤层。预涂的厚度可以根据具体的过滤要求和液体性质进行调整，一般在 [X] 毫米至 [X] 毫米之间。
混合添加:在待过滤的液体中，可以适量添加粗滤型硅藻土助滤剂，以提高过滤效果。添加量通常为液体体积的 [X]% 至 [X]%。添加后，通过搅拌等方式使助滤剂与液体充分混合。
过滤操作:将预涂好助滤剂的过滤设备接入过滤系统，开启泵将待过滤液体输送至过滤设备中。在过滤过程中，要注意控制过滤压力和流速，避免过高的压力和流速破坏过滤层。根据过滤情况，可以适时进行反冲洗等操作，以延长过滤设备的使用寿命。
IV. Usage
Precoating: In the filtration equipment, first pre-coat the coarse filtration diatomite filter aid evenly on the filter medium to form an initial filter layer. The thickness of the pre-coating can be adjusted according to the specific filtration requirements and liquid properties, generally between [X] mm and [X] mm.
Mixed addition: In the liquid to be filtered, a proper amount of coarse filtration diatomite filter aid can be added to improve the filtration effect. The addition amount is usually [X]% to [X]% of the liquid volume. After addition, the filter aid and the liquid are fully mixed by stirring.
Filtration operation: Connect the filtration equipment pre-coated with filter aid to the filtration system, and start the pump to transport the liquid to be filtered to the filtration equipment. During the filtration process, pay attention to controlling the filtration pressure and flow rate to avoid excessive pressure and flow rate from damaging the filtration layer. Depending on the filtration situation, backwashing and other operations can be performed in a timely manner to extend the service life of the filtration equipment.
