Pig Manure, Chicken Manure, and Cow Manure Dewatering and Dry/wet Separation Machine for Livestock Farms.
The tumbler microfilter dry-wet separator is an efficient solid-liquid separation device, whose core working principle is based on the physical interception of the microfilter film and the mechanical separation of the tumbler.
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Here are its detailed working principles and key components:
1. Core structure
Bulk system: The cylindrical cylinder is covered with a microfilter film (aperture 5-50 microns), and its ends are fixed by bearings, one end is connected to a drive unit, and the other end is equipped with a scum exit
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Auxiliary components include intake devices (arc chutes), drainage chutes (collect filtered liquid), scraping boards (clear solid materials) and cleaning systems (high pressure sprinkler tubes)
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.. 2. Workflow
Feeding and distribution: Material through the feeding mouth uniform distribution in the roller surface 1 / 3 width range, to avoid overload
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Rotated filtering: The cylinder rotates at a speed of 5-15 rpm / minute. The liquid enters the catchment through the microfiltration film under the action of gravity and centrifugal force. Solid particles are trapped.
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Scraping and separation: When the solid material is rotated to the top of the cylinder, it is scraped down by adjustable gap scraping plate and discharged from the separation mouth
3. Impact of Microfiltration Membrane Performance
Pore size selection: For treating municipal sludge, a 30-micron membrane is commonly used; for treating herbal residue, a 10-micron membrane is required to prevent the loss of effective components.
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Material compatibility: For acidic materials, use polytetrafluoroethylene (PTFE) film; for basic materials, use polyethylene (PE) film to ensure corrosion resistance.
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4. Processing capability parameters
Roller dimensions: Models with a diameter of 1 meter and a length of 2 meters can process 5-8 tons per hour, while models with a size of 1.5 meters × 3 meters can handle 15-20 tons per hour.
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Speed adjustment: Must be matched with the amount of feed to prevent the filter cake from becoming too thick (for example, in a certain starch factory, the decrease in liquid permeability was 40% due to the failure to adjust the speed).
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5. Application Scenarios
Livestock farming: Treating pig manure with a moisture content of 85%, the solid content can be reduced to 55%.
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Industrial wastewater: capturing pigment particles from coatings wastewater to achieve resource recovery.
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