行业组件数据 · 2026

过滤介质层

Layered filtration media in multi-media filters for industrial water treatment.

技术定义与适配语境
典型 过滤介质层 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Filter media layers are stratified filtration components within multi-media filters, designed to remove suspended solids, turbidity, and particulate matter from industrial water streams through depth filtration. These layers consist of multiple materials with varying densities and particle sizes arranged in a specific sequence to optimize filtration efficiency, dirt-holding capacity, and backwash effectiveness.

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组件规格

定义
Filter media layers are stratified filtration components within multi-media filters, designed to remove suspended solids, turbidity, and particulate matter from industrial water streams through depth filtration. These layers consist of multiple materials with varying densities and particle sizes arranged in a specific sequence to optimize filtration efficiency, dirt-holding capacity, and backwash effectiveness.
工作原理
Operates on depth filtration principles where water flows downward through stratified media layers of decreasing coarseness (typically anthracite, sand, and garnet). Each layer traps particles of specific sizes: the top coarser layer removes larger particles, while finer lower layers capture smaller contaminants. This graded approach maximizes filtration efficiency and extends service cycles between backwashing.
材料
Anthracite coal (specific gravity: 1.4-1.6)silica sand (effective size: 0.45-0.55mm)garnet (specific gravity: 3.8-4.2)activated carbon (for organic removal)multi-layered synthetic media (polypropylenepolyester).
Bed Depth
600-900mm total
Service Life
5-10 years
Backwash Rate
15-25 m³/m²/h
Filtration Rate
8-15 m³/m²/h
Media Size Range
0.8-1.6mm (anthracite), 0.45-0.55mm (sand), 0.2-0.4mm (garnet)
Operating Pressure
2-6 bar
Layer Configuration
Anthracite-Sand-Garnet (typical)
Uniformity Coefficient
<1.7
标准
ISO 9001:2015ISO 14001:2015DIN 19606AWWA B100

行业分类与别名

过滤介质层 的常用贸易名称、技术标识和检索关键词。

filter media layersmulti-media filterdepth filtrationanthracite sand garnetindustrial water treatmentfiltration mediabackwash systems过滤介质层Filter Media Layers机械和设备制造 过滤介质层

上级产品

该组件会出现在以下整机或工业产品中。

多介质过滤器
一种利用多层不同介质去除水中悬浮固体和颗粒物的过滤装置。
查看产品详情 ->

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Improper backwash procedure->Media mixing and loss of stratification->Implement automated backwash controls with flow monitoring, use air scour systems, maintain proper backwash rates and duration
Chemical attack from process water->Media degradation and reduced filtration efficiency->Select chemically resistant media materials, implement pre-treatment for aggressive chemicals, regular media testing
Inadequate support gravel layer->Media loss through underdrain system->Proper underdrain design with appropriate support layers, regular inspection of underdrain integrity

工业生态与工程逻辑

兼容对象
Multi-Media FiltersPressure Sand FiltersGravity FiltersDual Media Filters
可替换件
PentairSiemens Water TechnologiesEvoquaPall Corporation3M
0
Media mixing during backwash
1
Channeling and bypass flow
2
Media degradation over time
3
Inadequate backwash leading to fouling
4
Chemical incompatibility with process fluids

合规与检测

tolerance
Media size tolerance: ±10% of specified effective size, Layer depth tolerance: ±5% of design specification
test method
ASTM D448 for particle size distribution, AWWA B100 for filter media testing, ISO 9001 for quality management

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采购评估维度

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技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例，不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

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耐磨衬板
Abrasion-resistant lining for rotary granulation drums that protects against material wear and extends equipment lifespan.
磨料颗粒
Hard, sharp particles used in grinding wheels for material removal and surface finishing in industrial applications.
磨料入口端口
Abrasive inlet port is a precision component in blast chambers that controls abrasive media entry for surface treatment processes.
研磨层
Abrasive layer is the active surface component of grinding plates that performs material removal through friction and cutting action.
磨料介质/工作面
Abrasive media for surface finishing, polishing, and material removal in industrial applications.

常见问题

What is the optimal layer sequence in multi-media filters?

The standard sequence is anthracite (top), sand (middle), garnet (bottom). Anthracite's lower density keeps it on top during backwashing, maintaining stratification. This arrangement provides coarse-to-fine filtration for maximum efficiency.

How often should filter media layers be replaced?

Typically every 5-10 years depending on water quality and maintenance. Signs for replacement include increased pressure drop, reduced flow rates, media loss during backwash, or breakthrough of contaminants.

Can different media materials be combined?

Yes, customized combinations are possible based on specific contaminants. Common variations include adding activated carbon for organic removal or ion-exchange resins for specific ion removal alongside traditional media.

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