Overview
The fixed microfilter represents a critical component in modern liquid filtration systems, particularly where continuous operation and fine particle removal are required. Unlike rotary drum filters, this stationary design offers simplified maintenance and reduced mechanical complexity while maintaining high filtration efficiency. Industrial operators favor fixed microfilters for their reliability in processing large volumes with consistent quality output. The technology has evolved from basic screen filters to sophisticated systems incorporating automatic backwashing and self-cleaning mechanisms. Modern units integrate pressure monitoring and programmable logic controls, making them suitable for integration with industrial automation systems across various sectors including municipal water treatment and food processing plants.
Structure and Working Principle
A typical fixed microfilter consists of three main components: the filtration chamber housing precision mesh screens, the backwash system, and the control unit. Liquid enters the chamber under pressure, passing through the micro-screen which captures particles while allowing clean liquid to exit. The accumulated debris increases differential pressure, triggering the automatic backwash cycle. The working principle relies on cross-flow filtration where tangential flow helps prevent rapid clogging. Advanced models feature multi-stage filtration with progressively finer mesh screens (commonly 20-150 microns). Some industrial versions incorporate ultrasonic cleaning systems to enhance maintenance efficiency, particularly in applications with heavy particulate loads or sticky residues.
Key Features
Fixed microfilters distinguish themselves through several operational advantages. The sealed design prevents external contamination while containing spray and odor - a crucial factor in food processing environments. Energy efficiency stands out, with most systems consuming under 1kW power for standard industrial units processing 50m³/h. Durability features include reinforced stainless steel construction and abrasion-resistant mesh materials capable of withstanding frequent backwash cycles. Modern units offer smart monitoring capabilities through pressure transducers and flow meters, with some models providing remote access for performance tracking. The modular design allows for capacity expansion by adding parallel filtration units when processing requirements increase.
Application Areas
In aquaculture operations, fixed microfilters maintain optimal water quality by removing fish waste and uneaten feed particles, directly impacting stock health and growth rates. Municipal wastewater treatment plants utilize these systems for tertiary treatment, achieving effluent quality standards before discharge or reuse. The food and beverage industry employs microfilters for liquid ingredient clarification and process water treatment, meeting stringent hygiene requirements. Industrial applications extend to cooling water filtration in manufacturing plants and pre-treatment for reverse osmosis systems, where particle removal protects sensitive membrane technology from fouling and damage.
Maintenance and Precautions
Proactive maintenance ensures optimal microfilter performance and longevity. Operators should establish regular inspection schedules for mesh integrity, typically every 500 operating hours or quarterly. Common wear points include screen welds and backwash nozzles, which may require replacement after 3-5 years of continuous use. Preventative measures include installing pre-filters for liquids with high sediment loads to reduce main filter burden. Chemical compatibility checks are essential when processing aggressive media - acidic or high-temperature liquids may require specialized gasket materials or alternative mesh coatings. Proper winterization procedures prevent freeze damage in outdoor installations, including complete drainage when temperatures drop below freezing.
B2B Procurement Guide
Industrial buyers should conduct thorough needs assessment before selecting fixed microfilter systems. Critical specifications include maximum flow rate (with 20% safety margin), operating pressure range (typically 2-6 bar), and required filtration accuracy. Material selection should match the processed liquid's chemical properties - 316L stainless steel for saline or chlorinated waters, food-grade materials for edible product applications. Supplier evaluation should consider technical support availability, spare parts inventory, and customization capabilities. Lead times for industrial-grade equipment commonly range 4-8 weeks. Bulk purchase discounts may apply for orders exceeding five units, with some manufacturers offering extended warranties for fleet purchases. Third-party certification (such as NSF or CE) verification ensures compliance with industry standards.
Related Manufacturers
- 主营：微滤机、机械格栅
- 主营：刮泥机、中心传动刮吸泥机、周边传动刮泥机、虹吸式刮泥机、桥式吸砂机、行车式刮泥机、全桥式刮泥机、链条式刮泥机、内进流网板式格栅机、转鼓式格栅机、阶梯式格栅除污机、外进水微滤机、内进水微滤机、滚筒式微滤机、机械格栅、格栅除污机、钢丝绳格栅除污机、纤维转盘过滤器、滤布滤池、转鼓精密过滤器、旋流沉沙器
- 主营：格栅机、刮泥机、砂水分离器、反冲洗微滤机、回转式格栅清污机、行车式刮吸泥机、桥式吸砂机、虹吸式刮泥机、反捞式格栅除污机、全桥式刮泥机、滚筒微滤机、桁车式刮泥机、细格栅型号、纤维转盘过滤器、内进流网版格栅清污机、吸泥机、旋流沉沙器、转鼓精密过滤器、机械格栅、回转格栅机、周边传动刮泥机材质、耙齿捞渣机、钢丝绳格栅除污机、滤布滤池、内进流网版细格栅
- 主营：[]
- 主营：洗砂泥浆脱水设备、焚烧炉、隔油池、带式压滤机、真空带式过滤机、压滤机、厨房油水分离机、加药装置、泥浆脱水
- 主营：刮泥机、吸泥机、中心传动刮泥机、行车式刮泥机、虹吸式刮泥机、桥式吸砂机、反捞式格栅除污机、回转式格栅机、微滤机、循环式格栅机、桁架式刮泥机、链条式刮泥机、提耙式刮泥机、全桥式刮泥机、耙齿式格栅机、周边传动刮泥机、机械格栅、格栅除污机、格栅清污机、内进流网版格栅除污机、钢丝绳格栅除污机、滤布滤池、纤维转盘过滤器、转鼓精密过滤器、刮吸泥机
- 主营：粉碎格栅、格栅除污机、多电机粉碎格栅、管式粉碎格栅、微滤机、阶梯式网板格栅、侧入式搅拌机、渠道式粉碎格栅、非金属孔板式细格栅、DFS粉碎格栅、WFS粉碎格栅、FS粉碎格栅除污机、一体化泵站、机械格栅、钢丝绳格栅、污泥切割机、加拿大ITT粉碎格栅、无鼓粉碎格栅、单转鼓粉碎格栅、双转鼓粉碎格栅、不锈钢粉碎格栅、合资粉碎型格栅、泵站粉碎格栅、内进流格栅、内进流孔板细格栅
- 主营：小口径、气动笼、冷凝泵、进口浸没式微滤机、循环泵、冷却泵、旋片泵、温控阀、制氧机、刀闸阀、渣浆泵、泵特点、陶瓷泵、屏蔽泵、减泥泵、切碎机、扫油泵、海水泵、磁力泵、真空泵、长袖泵、增压缸、鼓风机、排污泵、塑料泵、搅拌机
- 主营：进口沉水泵、进口循环泵、进口乳化机、进口浸没式微滤机、进口渣浆泵、进口屏蔽泵、进口节能泵、进口溶液泵、进口气浮机、进口鼓风机、进口排污泵、进口塑料泵、进口搅拌机、进口磁力泵、进口潜水推流器、进口曝气器、进口曝气机、进口空压机、进口潜水搅拌机、进口混流泵、进口自吸泵、进口化工泵、进口离心泵、进口罗茨风机、进口磁悬浮风机
- 主营：纤维转盘过滤器、内进流网板格栅、干粉投加装置、转鼓式精密过滤器、转鼓式格栅、外进水微滤机、三腔式自动加药装置、回转式格栅清污机、微滤机、螺旋砂水分离器、无轴螺旋输送机、加药装置、机械格栅、内进流格栅、螺旋输送机、喷淋塔、旋流沉砂池、水力筛、滗水器、螺旋压榨机、皮带输送机
- 主营：格栅除污机、刮泥机、滗水器、地埋式污水处理设备、微滤机、砂水分离器、气浮机、加药装置、无阀滤池、纤维转盘过滤器、转鼓精密过滤器、磁分离机、内进流格栅、机械过滤器、石灰料仓、螺旋输送机、厌氧塔、叠螺机
- 主营：刮吸泥机、机械格栅除污机、旋流除砂机成套设备、旋转式精密过滤器、微滤机、叠螺式污泥脱水机、纤维转盘过滤器、加药装置
- 主营：微滤机、潜水搅拌机、内进流网板格栅除污机、格栅除污机系列
- 主营：叠螺机、耙齿格栅、PAM加药机、叠螺式污泥脱水机、斜筛式干湿分离机、滚筒式微滤机、转鼓格栅、高排水螺旋压榨机、内进流格栅、水力筛
- 主营：叠螺机、叠螺污水脱泥机、干湿分离机、叠螺式污泥脱水机、斜筛式固液分离机、固液分离机、耙齿格栅、耙齿格栅除污机、pam加药机、螺旋输送压榨机
- 主营：滚筒式转鼓微滤机、焚烧设备、垃圾焚烧炉、无害化处理装置
- 主营：厌氧塔、制浆设备、气浮设备、全自动微滤机、刮吸泥机、污泥脱水机、浅层气浮机、高浓磨浆机、传动刮泥机、水力碎浆机、污水处理设备、生物氧化系统、固液分离设备、屠宰场捞毛机、固液分离过滤机、一体化净水设备、全自动加药装置
- 主营：机械格栅、刮吸泥机、砂水分离器、内进式微滤机、内进流格栅、活性砂过滤器
- 主营：加药机、焚烧炉、真空带、转鼓式微滤机、气浮机、隔油池、过滤器、过滤机、刮泥机、压滤机、实验室、泥浆脱水、洗沙泥浆、污泥叠螺、滤布滤池、捞取设备、泥浆压干、溶气气浮、定制雨水、污泥脱水、加药装置、焚烧设备、厨房污水、压干设备、洗沙污泥、自动隔油
- 主营：厌氧塔、吸泥机、旋转钟、钟式沉沙机、螺旋砂、气浮机、过滤机、沉淀池、dtro垃圾、pp喷淋塔、污水预处、斜管斜板、溶气气浮、加药装置、厌氧装置、废水处理、机械格栅、沙场污水、机械加速、垃圾压缩、一体化设备、河道治理、高密度沉淀池、养殖废水处理
- 主营：脱水机、机械格栅、加药搅拌桶、微滤机、浓缩叠螺机、不锈钢格栅、不锈钢加药、处理活性生物、六角蜂窝填料、一体化叠螺机、聚氨酯多孔球、不锈钢叠螺机、活性生物填料、人工仿水草绳
- 主营：环保设备、潜水搅拌机、太阳能曝气机、离心式曝气机、立式混合搅拌器、微纳米曝气机、污水处理设备、潜水泵、刮吸泥机、穿墙搅拌器、增氧曝气机、造流增氧机、搅拌两用机、潜水增氧机、曝气增氧机、环流搅拌机、水下增氧机、河道增氧设备、混合搅拌设备、混合增氧设备、曝气搅拌设备、双曲面搅拌机、污水混合搅拌器、景观喷泉曝气机
- 主营：搅拌罐、混合罐、乳化罐、微滤式干湿分离机、分散罐、加热罐、不锈钢储罐、提取浓缩设备
- 主营：溶气气浮机、污泥处理设备、一体化污水处理设备、地埋式污水处理设备、带式压滤机、叠螺式污泥脱水机、固液分离、造纸机、造纸机械设备、砂水分离器、螺旋脱水机、板框压滤机、射流气浮机、斜管沉淀池