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A drum filter mini comes in different types, all working to perform the same function, which is to filter liquids. The most common types are as described below.
Static
A static drum filter remains at a fixed position while the pre-painted static water passes through a polystyrene bead filter media. The static drum filter is a simple design that allows filtered water to flow through gravity without any pump assistance. However, as the water level may fluctuate during the filtering process, some static filters are configured with an adjustable filtering height. The adjustable height allows users to set the filter height according to the typical water level.
Rotary
Rotary drum filters work continuously to produce a large amount of filtrate. The filter medium moves through different zones, i.e., washing, feeding, filtering and dewatering. Rotary drum filters can be designed to work with vacuum, pressure and gravity. Rotary drum filters that work with gravity are the most common type of rotary drum filter
Drum mesh filters
A mesh filter for a drum filter is a consumable product that should be used in any drum water filter. It has a first-rate shape memory polyester mesh that will not break down anciently. Users can now get precisely filtered drinking water thanks to it. The new drum filters stock can filter out the same amounts of Cysts, Protozoa, Bacteria, Sediment, and Dirt every 6 months.
Specifications for a mini drum filter can differ depending on factors such as the manufacturer, intended use, and the industry application. Here are some common specifications for a mini drum filter.
Drum Diameter and Length:
The mini filter drum size varies depending on the industry application. Common sizes include a diameter of between 300 to 700 mm and a drum length of about 300 to 800 mm. The standard lengths and sizes are used because they are versatile, and other sizes can be made to fit other specifications.
Filtration Area:
The filtration area of the mini drum must be large enough to handle the needed filtration capacity and ensure effective solid separation. The total surface area is calculated by multiplying the diameter by the length of the drum, and it is expressed in square meters. Some common filtration area measurements include 0.08 to 0.5 square meters for smaller capacity units and 2 to 5 square meters for larger capacity units.
Drum Materials:
Usually, stainless steel or polypropylene copolymer is used to manufacturer the mini drum filters. They are durable, resist chemicals, and can handle the various industry filtration applications.
Mesh Sizes
The mesh size on the filter drums affects the filtration precision level. A smaller mesh size results in finer filtration, while larger mesh sizes allow for faster flow rates. Typical mesh sizes for industrial drum filters range from 100 to 1000 microns depending on the application and intended goal.
Drive System:
The specifications for a drum filter’s drive system include the type of motor used, the torque required, and the filtering speed. Common motors used are AC motors or gear motors. The filtering speed is usually between 1 to 5 revolutions per minute.
Scheduled maintenance will keep the drum filter working well and reduce downtime caused by repairs. Here are some parts that are usually maintained and some general maintenance tips.
Cleaning:
Cleaning the filter drum component is very important. Make sure that the chemical solution or water used for cleaning is free of debris, dirt, or other solid materials that can harm the drum component. Always avoid the use of cleaning products that can damage, degrade, or corrode the filter material.
Drive Motor:
Both the gear motor and AC motor used to drive the filter need to be inspected from time to time. Check for loose connections or worn-out components and look for unusual noises. Lubrication schedules for moving components should be followed to keep friction at a minimum and to prolong the lifespan of the motor.
Gears and Bearings:
Filtration efficiency will be affected by the mesh screens getting clogged with dirt or debris, even with regular cleaning. Therefore, educate operators on how to spot early clogging signs, like reduced flow rates or increased back pressure. Set a maintenance schedule and screen replacement criterion so that the bearings and gears can work optimally at all times.
Check the gear system and bearings from time to time to see if there are any signs of wear or any damage. Lubricate these moving parts depending on the usage of the machine and the type of lubricant used.
Drive Belts:
Inspect the drive belts and check for alignment issues or belt tension. Correct alignment and belt tension are needed to ensure driving efficiency and to prolong the life of the belts.
Spare Parts:
Common parts replaced at some point during the drum filter’s life span are the drainage pump and sealing components. Choose the right spare parts for replacement to ensure proper fit and efficient sealing.
Small-scale aquaponics systems
In aquaponics systems where fish and plants are grown together, maintaining good water quality is crucial for the health of both the fish and the plants. A mini drum filter can help remove solid waste from the fish to keep the water clean and suitable for filtration and thus promote plant growth.
Home fish ponds or backyard water gardens
If a homeowner has a small fish pond or water garden in their backyard, they may want to keep the water clean to support fish life and prevent algae growth. A mini drum filter can be a compact and efficient solution for keeping the pond water clear and healthy.
Small-scale wastewater treatment facilities
In some communities or industrial sites, small-scale wastewater treatment facilities may be needed to handle local wastewater. A mini drum filter can be part of the treatment system to remove suspended solids and improve the water quality before discharge or reuse.
Hobbyist indoor aquariums
Aquarium enthusiasts who keep fish indoors may use a mini drum filter to provide mechanical filtration in addition to other filtration methods. The filter can help remove fish debris and uneaten food to maintain water clarity and support a healthy living environment for the fish.
Application needs analysis:
First, buyers should determine the specific application needs. What type of liquid needs to be filtered? What are the filtering requirements, such as filtering accuracy and capacity? By clarifying application needs, buyers can select suitable mini drum filters from a variety of options.
Drum material selection:
The material of the filter drum will affect the durability and corrosion resistance of the filter. Buyers need to choose the appropriate drum material according to the working environment and medium. For example, stainless steel has good corrosion resistance and durability and is suitable for various working environments.
Drum diameter and length:
The size of the filter drum will affect the filtering area and capacity. Buyers need to select the appropriate drum dimensions according to the filtering needs and available installation space. Also, ensuring that the selected filter drum can meet the required capacity is crucial.
Driving method:
Mini drum filters are usually driven by electric motors or gearbox drives. Buyers need to choose the appropriate drive mode according to the site's power supply conditions and equipment matching requirements.
Automation and control functions:
Some mini drum filters are already equipped with automated control systems that can realize the automation of the entire filtering process. Buyers can choose the appropriate filter according to the demand level, such as selecting a mini drum filter with an automatic backwashing function.
Quality and reputation of manufacturers:
Buyers should choose products from manufacturers with good quality and reputation to ensure product quality and after-sales service. Buyers can refer to other customers' evaluation information and compare multiple manufacturers to make an informed decision.
Q1: What is the working principle of a mini drum filter?
A1: The drum filter work principle is based on the submerged rotating drum. The open section of the drum draws in a... filtrate through the screening fabric, which exposes the solids within the effluent water. These solids are then de-watered, dried, and discharged into a collection container or conveyor belt.
Q2: What are the advantages of a drum filter?
A2: The mini drum screen filter has many advantages. It is self-cleaning, which means less maintenance costs. They are cost-effective and energy-efficient, as they can operate at low power consumption. They also have a simple design, thus allowing easy installation and user understanding.
Q3: Are large-scale filter drum suitable for small-scale industries?
A3: Not necessarily. The beauty of the drum filter machine is that various sizes suit large- and small-scale industries.
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