Microfilter Machine

High-efficiency microfilter machines for solid-liquid separation. Rotary drum filters for water treatment, wastewater processing, and industrial applications.

Revolutionary Microfilter Technology for Comprehensive Water Purification

The microfilter machine represents cutting-edge solid-liquid separation technology, delivering exceptional performance in water treatment applications across municipal and industrial sectors. This rotary drum filter system efficiently removes organic debris, suspended solids, algae, and plankton from various water sources, ensuring superior water quality while minimizing operational costs and energy consumption.

Loway Rotary Drum Filters

A microfilter machine is a specialized water treatment equipment that utilizes rotary drum screen technology for effective solid-liquid separation. The system operates through a streamlined process where wastewater enters the rotating drum axially and flows radially through the filter screen. Contaminants including organic particles, inorganic debris, algae, and aquatic microorganisms are precisely captured on the inner surface of the drum filter screen.

The captured solids travel with the rotating drum to the upper position, where high-pressure wash water removes them into the discharge trough, creating a continuous “filtration-cleaning” cycle. During operation, 2/5 of the drum diameter remains above water level, with rotation speeds controlled at 1-4 rpm and filtering speeds adjustable from 30-120 m/h.

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Core Classifications of Microfiltration Systems

Based on structure and water inlet methods, microfiltration systems can be primarily classified into the following categories, adapting to different application needs:

1. By Core Structure: Rotary Drum Microfiltration System

2. By Water Inlet Method: Internal/ external Inlet Microfiltration System

Key Product Features

High-Performance Filtration Capabilities

Loway microfilter systems deliver exceptional removal efficiency:

SS Removal Rate: 70-85%
COD Removal Rate: 35-50%
Algae Removal: 40-70% efficiency in reservoir water treatment
Plankton Removal: 97-100% efficiency for aquatic microorganisms

1. High Purification Efficiency and Strong Targeting: Our microfiltration system efficiently removes organic and inorganic debris, as well as various phytoplankton, algae, and fiber pulp impurities from water. In reservoir water treatment, algae removal efficiency can reach 40-70%, and phytoplankton removal efficiency is as high as 97-100%, effectively improving water purity and meeting water quality requirements for different scenarios.

2. Convenient Operation and Controllable Costs: Compared to traditional filtration equipment, the microfiltration system has a smaller footprint, simpler installation process, and convenient daily operation and management. It does not require the addition of chemical agents, fundamentally avoiding secondary pollution caused by chemicals and reducing the cost of chemical procurement and maintenance. The equipment’s production capacity ranges from 250-36000 m³/d, allowing flexible adaptation to different treatment scales.

3. Automated Operation, Worry-Free and Labor-Saving: The microfiltration system features continuous operation and automatic backwash functions, eliminating the need for 24-hour manual supervision and significantly saving labor costs. Additionally, the equipment can recover fiber concentrations of over 12%, achieving partial recovery and utilization of useful substances while purifying water, thereby improving resource utilization efficiency.

4. Stable Structure and Long Lifespan: The overall structural design is simple and reasonable, ensuring stable operation and reducing the risk of failures during operation. The core components of the equipment are durable and easy to maintain, allowing for long-term stable service and reducing the cost of equipment replacement and frequent maintenance.

Specifications

Loway Equipment’s Rotary drum filters have multiple series models, and the parameter differences of different models can meet the personalized needs of different scenarios. Specific parameters are as follows:

Model	Filter Area (m²)	Capacity (T/H)	Drum Diameter (mm)	Motor Power (KW)	Applications
LWRD1	5	50-100	Ф960	1.1	Small-scale operations
LWRD2	7	80-150	Ф1250	1.1	Medium facilities
LWRD3	9	100-200	Ф1250	2.2	Industrial processing
LWRD4	11	120-240	Ф1500	2.2	Large-scale treatment
LWRD5	14	150-300	Ф1500	3.0	Heavy-duty applications
LWRD6	16	170-350	Φ1500	4.0	Municipal systems
LWRD7	24	220-400	Φ1780	5.5	High-capacity plants
LWRD8	30	300-500	Φ1780	7.5	Maximum throughput

Loway Rotary Drum Filters Structure

The microfiltration filter ( rotary drum) is centered around a drum-shaped metal frame, with the drum rotating around a horizontal axis. The drum surface is covered with a support mesh and a working mesh woven from stainless steel wire (copper wire or chemical fiber wire can also be selected as needed), forming the core filtration component. Among them, stainless steel wire specifications vary, including 700×100 mesh/in², 500×100 mesh/in², and 400×100 mesh/in², corresponding to filter mesh pore sizes of approximately 35-60 microns, allowing for selection of suitable specifications based on different water quality filtration needs.

The rotary drum filter is also equipped with auxiliary components such as a sewage pump, pressure backwash system, slag discharge trough, and a motor for driving the drum rotation.

Each part works synergistically to ensure a smooth and efficient filtration process.

Different models of microfiltration systems vary in structural dimensions, with drum diameters ranging from 0.3-3.0m, length equal to diameter, and filtration areas ranging from 5-30m², allowing for precise matching to the needs of different application scenarios.

Loway Rotary Drum Filters Working Principle

The working process of the microfiltration filter mainly consists of three core stages, forming a complete “filtration – slag removal – circulation” system:

1.Wastewater Inlet Stage: Taking the internal inlet type as an example, wastewater is transported into the drum by an inlet pump, providing stable water flow conditions for subsequent filtration operations.

2.Filter Screen Filtration Stage: Wastewater radially passes through the filter screen under pressure, and solid particles in the water are intercepted by the filter screen. As the filtration process continues, solid particles attached to the filter screen roll on the surface of the filter screen, gradually accumulating to form larger agglomerates. These agglomerates will also adhere to small particles on the surface of the filter screen during rolling, further improving filtration efficiency and effect.

3.Slag Removal and Filter Screen Cleaning Stage: When the agglomerates reach a certain size, they rotate with the drum to the upper part and are backwashed off into the slag discharge trough by pressure water, achieving filter screen cleaning and impurity discharge; at the same time, the drum continues to rotate, ensuring continuous filtration process and completing a complete filtration cycle, ensuring continuous and stable operation of the equipment.

Comprehensive Application Solutions

Municipal Water Treatment

The microfilter machine excels in municipal water treatment applications, providing reliable solid-liquid separation for:

Industrial Wastewater Management

Loway rotary drum filter technology can be used for industrial water filtration and recovery of useful substances in industrial wastewater, improving resource utilization and reducing enterprise environmental costs.

Paper mill white water treatment with closed-loop recycling
Textile industry wastewater processing
Food processing waste filtration
Chemical industry effluent treatment
Plastic manufacturing wastewater management

Specialized Treatment Applications

It can effectively remove solid impurities and organic residues from the water, helping relevant industries achieve wastewater discharge standards and comply with environmental requirements.

Choose Loway microfiltration

Loway microfilter machines combine proven rotary drum filter technology with innovative engineering to deliver superior water treatment solutions. Whether you need solid-liquid separation for municipal water treatment, industrial wastewater processing, or specialized applications, our comprehensive range ensures optimal performance and cost-effectiveness.

Proven removal performance: Stable SS and COD reduction to meet downstream process requirements and regulatory targets.
Low operating cost: Backwash water is only 0.5–1.0% of throughput and the unit operates without chemical dosing.
Compact, robust design: Small footprint, corrosion-resistant materials, and easy access for maintenance.
Automated continuous operation: Adjustable drum speed and backwash control reduce manual intervention and labor cost.

Our series covers filtration areas from 5–30 m² and capacities from 250–6000 m³/d. Drum diameters, effective lengths and motor power are selected to match required throughput and solids load. Typical mesh choices and model capacities can be provided for precise project matching.

With decades of filtration experience, Loway Equipment supplies turnkey microfiltration units with ISO-grade fabrication and engineering support. We assist with system selection, on-site commissioning and performance tuning so you maximize water recovery, reduce energy use and lower lifecycle costs.

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Our engineering team will size the drum screen filter and recommend the optimal model for your project.

How it works

We provide one-stop service of solid-liquid seporator planning, design, consultation, construction, equipment manufacturing, installation, commissioning and training. We are involved in complete sets of sludge dewatering projects for various industries.

Consultation what you need.

We do not aim to achieve maximum profit and do not reduce the quality of our products by catering to the market with low prices. We are happy to provide high quality tailor-made filtration equipment to you.

Production the filter press equipment for you

Our professional and advanced production technology, excellent manufacturing process, and perfect testing ensure that your equipment fully meets the quality acceptance standards.

Installation and commissioning equipment

Our skilled installation team installs this equipment for you in strict accordance with the construction drawings and construction process steps. Experienced technicians will debug and analyze the average results on site to achieve the best results and meet the needs of use.