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Bean Cleaning Line
TQLM Series Rotary Cleaner
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grain rotary cleaner
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Product Details
The TQLM Series Rotary Cleaner is a versatile grain cleaning machine engineered to remove both coarse and fine impurities from raw grain based on particle size differences. Widely deployed in grain processing facilities including flour mills, rice mills, feed plants, and grain storage terminals, this rotary separator delivers consistent cleaning performance across wheat, rice, corn, and pulses. The machine achieves proven separation rates: ≥80% removal of coarse impurities (straw, cobs, stones), ≥60% removal of fine impurities (sand, dust, broken kernels), and ≥60% removal of light impurities when equipped with the optional aspiration channel.
Critically, the TQLM series maintains ≤1% mistaken separation of plump grain, ensuring that valuable product is preserved while contaminants are effectively rejected. The unit features a dual-layer drawer-type screen design with front and rear sections that slide out from the inlet end for convenient inspection and maintenance. With capacities ranging from 4 to 20 tons per hour across five models, the TQLM series offers scalable solutions for facilities of varying throughput requirements.
Key Features
Proven High Separation Rates with Minimal Good Grain Loss
The TQLM rotary cleaner delivers measurable cleaning performance validated through extensive field operation. Separation rates for medium-quality grain are documented as follows: coarse impurities ≥80%, effectively removing straw, corn cobs, stones, and other oversize contaminants that could damage downstream equipment; fine impurities ≥60%, capturing sand, dust, and broken kernels that affect product quality; and light impurities ≥60% when the aspiration channel is utilized, removing husks, chaff, and other low-density materials.
Equally important, the machine maintains ≤1% mistaken separation of plump grain, ensuring that sound kernels are preserved rather than rejected with impurities. This balance of high removal efficiency and low product loss is achieved through precise screen design, optimized rotational speed, and controlled material flow. For quality-conscious processors, these measurable performance metrics provide confidence in the cleaning process and support HACCP documentation requirements.
Dual-Layer Drawer-Type Screen Design for Easy Maintenance
The TQLM series features a two-layer drawer-type screen system that significantly simplifies inspection, cleaning, and screen replacement. Both screen layers are divided into front and rear sections that can be independently pushed in or withdrawn from the inlet end of the machine. This design allows operators to access the screens without entering the machine housing or requiring specialized tools. When switching between crops or adjusting cleaning intensity, screens can be quickly swapped to match the desired separation characteristics.
The eccentric clamping mechanism secures each screen section firmly in place during operation while preventing grains or impurities from becoming trapped between the screen frame and the housing. This sealing feature eliminates contamination zones where material could accumulate and degrade over time, supporting both product quality and sanitation requirements. The drawer design also facilitates regular inspection of the rubber ball cleaning system, ensuring continued effectiveness.
Self-Cleaning Screen System with Cross-Punched Holes
Screen blinding—the clogging of openings by near-size particles—is effectively prevented in the TQLM series through two complementary design features. First, the screen panels are fabricated from thin steel sheet with cross-punched perforated holes arranged in a staggered pattern. This configuration maximizes open area while maintaining structural integrity, allowing more material to contact the screen surface per unit time. Second, medium-hardness rubber balls are positioned between the screen layers; as the machine operates, these balls bounce against the underside of the screen, dislodging particles that would otherwise become trapped.
This self-cleaning action maintains consistent throughput and separation efficiency throughout extended operating cycles. Unlike mechanical cleaning systems that add complexity, the rubber ball system operates passively without additional power consumption. The combination of optimized hole geometry and continuous cleaning ensures that the TQLM rotary cleaner performs reliably even when processing materials with variable moisture content or those prone to clogging.
Low-Noise Inertial Vibration Drive with Smooth Start-Stop
Operator comfort and workplace safety are addressed through the TQLM series' advanced drive system. The machine employs an inertial vibration mechanism for transmission, eliminating the need for complex linkages that generate noise and require frequent adjustment. Vibration dampers are strategically positioned at the front and back sides of the screen bottom, absorbing vibrational energy and preventing transmission to the supporting structure. This design results in smooth start-up and stopping characteristics that minimize mechanical shock and reduce overall noise levels compared to conventional screening equipment.
The low-noise operation—typically below 75 dB—creates a more comfortable working environment for operators and supports compliance with workplace noise regulations. The inertial drive system also contributes to mechanical reliability by reducing stress on components during start-stop cycles, extending service life and reducing maintenance requirements.
Integrated Aspiration Channel for Light Impurity Removal
In addition to size-based separation, the TQLM series offers an integrated aspiration channel that effectively removes light impurities including husks, chaff, dust, and other low-density materials. As grain flows through the cleaning zone, controlled airflow lifts and carries away these lightweight contaminants, achieving ≥60% removal efficiency. This combination of screening and aspiration in a single machine eliminates the need for separate aspiration equipment, reducing both capital investment and floor space requirements.
For applications requiring even higher light impurity removal—such as flour mills producing premium products—the aspiration system can be connected to an external dust collection system to capture and contain removed materials. The aspiration channel is designed to be adjustable, allowing operators to fine-tune airflow based on material characteristics and cleaning objectives. This integrated approach ensures that both size-based and density-based contaminants are addressed in a single pass.
Durable Construction with Optional Stainless Steel
The TQLM rotary grain cleaner is built to withstand the demanding conditions of continuous grain processing. Standard construction features carbon steel components with a durable anti-corrosion coating, providing excellent resistance to rust and abrasion in typical indoor applications. For facilities requiring enhanced corrosion protection—such as those processing acidic grains or operating in high-humidity environments—we offer stainless steel construction options that meet food-grade standards and facilitate wash-down cleaning.
The screen frames and clamping mechanisms are engineered for durability, maintaining consistent sealing and alignment over years of operation. All bearings and rotating components are sealed against dust ingress, reducing maintenance frequency and ensuring reliable performance. This emphasis on robust construction, combined with the machine's straightforward maintenance requirements, delivers a low total cost of ownership over the equipment's service life.
technical parameters:
| Specifications Model | TQLM80 | TQLM100 | TQLM125 | TQLM160 | TQLZ200X200 |
| capacity（t/h） | 4-6 | 6-8 | 8-12 | 10-15 | 15-20 |
| Sieve width（cm） | 80 | 100 | 125 | 160 | 200 |
| Speed（r/min） | 300 | ||||
| Power（kw） | 0.55 | 0.55 | 0.75 | 1.1 | 1.5 |
| Weight（kg） | 750 | 800 | 850 | 900 | 1100 |
| Dimensions（mm） | 2300×1210×1320 | 2300×1410×1320 | 2300×16610×1320 | 2300×1910×1320 | 2700×1950×1320 |
Grain rotary cleaner efficiently removes dust, husk, and impurities from wheat, rice, corn, and pulses, ensuring higher purity and better quality for storage and processing.
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