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The large-scale drag-chain extraction unit serves as the core continuous extraction equipment for medium-to-large oil processing plants; it utilizes an enclosed box-type drag-chain structure and employs a multi-stage counter-current extraction process to achieve continuous, automated oil extraction.
It consists of automatic feeding seal system, sealed leaching tank, wear-resistant drag chain & scraper assembly, hydraulic drive system, multi-stage spraying and filtering unit, safety monitoring device and discharging seal mechanism. Compact structure with high integration.
Advantages
- Excellent leaching performance: Compartments prevent cross-flow, ensuring uniform and stable extraction. Residual oil in dried meal can reach 0.6%–0.8% for high extraction rate.
- Wide raw material adaptability: Suitable for soybean, rapeseed, cottonseed, rice bran, corn germ and other oilseeds, capable of high-powder and high-oil materials.
- Energy saving & cost reduction: Low-profile tank reduces civil construction investment. Low solvent consumption; variable frequency speed control saves energy.
- Reliable & durable: Dual hydraulic drive ensures stable operation. Chains avoid direct friction with sieve plates, featuring low failure rate and easy maintenance.
- Safe & intelligent: Fully sealed structure minimizes solvent volatilization. Equipped with intelligent monitoring and variable frequency control for high automation and simple operation.
Specifications Table| Model | Daily Capacity | Main Drive Power | Residual Oil (dry basis) | Solvent Consumption |
|---|---|---|---|---|
| TL500 | 500 t/d | 7.5 kW | ≤0.8% | ≤4 kg/t raw material |
| TL1000 | 1000 t/d | 11 kW | ≤0.8% | ≤4 kg/t raw material |
| TL2000 | 2000 t/d | 15 kW | ≤0.8% | ≤4 kg/t raw material |
| TL3000 | 3000 t/d | 18.5 kW | ≤0.8% | ≤4 kg/t raw material |
| TL4000 | 4000 t/d | 22 kW | ≤0.8% | ≤4 kg/t raw material |
Application Scope
Applicable to medium & large oil production lines with capacity of 500–4000 tons per day. Used for extraction of various vegetable oilseeds, as well as solid-liquid extraction of active ingredients from plants.
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