Compost Trommel Screen Machine
What Is a Compost Trommel Screen Machine?
After weeks of curing, compost still carries things buyers do not want to see: stones, plastic film, glass, and woody pieces that never broke down. A compost trommel screen machine is the last gate before your compost goes to market - a rotating, inclined drum that grades the pile into clean, consistent fractions and pushes the rejects out in one pass.
The WTS series compost trommel screen machine from Sinolion Machinery is built specifically for this finishing step. The drum is inclined and driven by a motor through a coupling and reducer. As the drum rotates, material turns and rolls along the screen surface: fines fall through the apertures and discharge through the port at the bottom of the rear end, while coarse material - plastic, stone, un-composted woody oversize - rolls out at the tail.
With an optional two-section drum, the same machine screens three sizes at once - for example fine compost under 10 mm, medium 10–25 mm, and oversize above 25 mm - so one unit can feed both a bagging line and a re-composting loop at the same time.
Compost Trommel Screen Machine Specifications
| Parameter | WTS0818 | WTS1022 | WTS1230 | WTS1550 |
|---|---|---|---|---|
| Trommel Diameter | 800 mm | 1000 mm | 1200 mm | 1500 mm |
| Trommel Length | 1800 mm | 2200 mm | 3000 mm | 5000 mm |
| Total Power | 2.2 kW | 8.2 kW | 10.6 kW | 20 kW |
| Capacity | [confirm against feed material] | [confirm against feed material] | [confirm against feed material] | [confirm against feed material] |
| Screen apertures | 5–50 mm, customized to your target grade | 5–50 mm, customized | 5–50 mm, customized | 5–50 mm, customized |
| Drum sections | single, or two-section (3 fractions) | single, or two-section | single, or two-section | single, or two-section |
| Screen media | manganese wire mesh / punched steel plate | manganese wire mesh / punched steel plate | manganese wire mesh / punched steel plate | manganese wire mesh / punched steel plate |
| Drive | electric motor, or diesel generator set | electric motor, or diesel generator set | electric motor, or diesel generator set | electric motor, or diesel generator set |
| Control | VFD control cabinet | VFD control cabinet | VFD control cabinet | VFD control cabinet |
| Mobility | front traction, towable; 4 lifting legs | front traction, towable; 4 lifting legs | front traction, towable; 4 lifting legs | front traction, towable; 4 lifting legs |
Key features behind the numbers:
- Nylon cleaning brush with flocking on top of the drum runs while the machine works, scrubbing the screen and preventing blockage - the difference that matters with moist, freshly cured compost.
- 4 cast rollers support the drum on four sides - stronger and more durable than the tire supports commonly used on other trommel screens.
- Large feed hopper (size customizable) is loaded by forklift, excavator or conveyor; a flat feed conveyor inside delivers material evenly to the drum so nothing accumulates in the hopper.
- Replaceable screens in manganese wire mesh or punched steel plate; spare screen sets are available in various apertures.
- Foldable side discharge conveyors with herringbone endless belts carry fines to both sides without slipping, and fold away when the machine is transported.
- Dust baffles on both sides of the drum keep dust down on site.
Applications of the Compost Trommel Screen Machine
1. Organic fertilizer plant finishing - grade cured compost into consistent, bagging-ready fines that sell at a premium.
2. MSW compost lines - separate the composted organic fraction of municipal solid waste from plastics and other rejects.
3. Green waste and yard waste facilities - turn leaves, grass and wood chips into clean mulch and soil-conditioner grades.
4. Animal manure compost - remove bedding, straw and litter from pig, cattle and poultry manure fertilizer.
5. Oversize recovery and re-composting - send the coarse fraction back to the pile for further decomposition instead of discarding it.
How to Choose a Compost Trommel Screen (Buying Guide)
- Throughput decides drum size. Daily tonnage is the first number to fix: WTS0818 suits small farms and nurseries; WTS1022 and WTS1230 fit medium-sized plants; WTS1550 handles large facilities.
- Moisture and stickiness. Cured compost is moist by nature. Confirm the unit has the nylon cleaning brush, and match aperture size to the grade you sell (typically 5–50 mm).
- One fraction or three? A single-section drum gives fines + oversize; a two-section drum adds a medium grade in the same pass.
- Screen media. Manganese wire mesh suits most compost; punched steel plate is the choice for heavier, more abrasive feed.
- Power source. Electric motor where grid power exists; the diesel generator set version where it does not.
- Mobility. The towable version moves between sites behind a truck or trailer; 4 lifting legs level the machine and adjust discharge height.
- Spares and service. Keep a replacement screen set in stock, and confirm MOQ, delivery time and warranty before ordering.
Compost Trommel Screen Machine FAQ
Q: What is a compost trommel screen machine?
A: A compost trommel screen machine is a rotating, inclined drum screener that separates cured compost into fine and coarse fractions, removing plastics, stones, glass and undecomposed woody material before the compost is sold or bagged.
Q: How does a compost trommel screen work?
A: A motor drives the inclined drum through a coupling and reducer. Material entering the drum turns and rolls along the screen: fines fall through the apertures and exit through the discharge port at the bottom of the rear end; coarse material rolls out at the tail.
Q: What screen apertures are available?
A: Apertures are customized to your target grade, commonly selected between 5 mm and 50 mm, in manganese wire mesh or punched steel plate. Screens are replaceable and spare sets are available.
Q: Will wet or sticky compost clog the screen?
A: No. A nylon cleaning brush with high-quality flocking sits on top of the drum and operates continuously while the machine runs, scrubbing the screen and preventing blockage - designed for moist, freshly cured compost.
Q: What is the capacity of the WTS series?
A: Capacity depends on the model (WTS0818 to WTS1550), your material's moisture, and the aperture selected. Sinolion quotes capacity against your actual feed - include your material and daily tonnage in the inquiry.
Q: Can it screen three sizes in one pass?
A: Yes. With an optional two-section drum the machine produces three fractions at once (for example fine under 10 mm, medium 10–25 mm, oversize above 25 mm).
Q: Is the machine easy to move between sites?
A: Yes. The front end is designed with traction so the machine can be towed by truck or trailer, 4 lifting legs with hand handles adjust height, and the side conveyors fold away for transport.
Q: Can it run without grid electricity?
A: Yes. A diesel generator set version is available for sites without reliable power. A VFD (frequency conversion) control cabinet is standard on the machine.
Q: Can the hopper and screens be customized?
A: Yes. Hopper size (for forklift, excavator or conveyor loading), screen apertures, and single/two-section drum configuration are all customized to your line.
Q: What about price, MOQ and delivery time?
A: Sinolion Machinery sells factory-direct from Zhengzhou, China. MOQ and delivery depend on the model and configuration - [confirm MOQ], [confirm delivery]. Send your requirement via the quote form and our engineers will reply within [confirm response time].
Get a Quote for Your Compost Screening Line
Every compost line is different - moisture content, contamination level, target grade and daily tonnage all change the right configuration. Tell us what you screen and how much you process, and the Sinolion engineering team will match the right WTS model, drum design and screen aperture for your material. Customized hopper size, two-section drums and diesel drive are all available.
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About Sinolion Machinery
Zhengzhou Sinolion Machinery Co., Ltd. is a factory-direct manufacturer of trommel screens, mobile screening plants and solid-waste sorting equipment. From the WTS compost trommel screen machine to portable compost trommel screen plants and municipal solid waste sorting lines, we design, build and support screening solutions for composting, soil, biomass and waste applications - backed by our engineering team for configuration, installation guidance and spare parts.
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Zhengzhou Sinolion Machinery Co., Ltd. is one of the most credible manufacturers and suppliers of compost trommel screen machine in China. Please feel free to buy high quality compost trommel screen machine for sale here from our factory. Good service and reasonable price are available.
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