Seasoning screw conveyors are used for enclosed transport of powdered and granular seasonings, such as salt, sugar, pepper, and mixed spices. They provide a fully enclosed transport process, effectively preventing seasoning powder from splashing, getting damp, and becoming contaminated. Constructed of SUS304 or SUS316 stainless steel, these conveyors are suitable for food contact applications and support horizontal, inclined, and vertical transport methods, allowing for flexible adaptation to different workshop layouts.
Seasoning screw conveyor is a device used for transferring and loading various seasonings. It provides a fully enclosed conveying process, effectively preventing seasoning powder from flying, getting damp, and becoming contaminated. Available in 304 and 316 food-grade stainless steel, it offers stronger corrosion resistance and acid and alkali resistance, suitable for conveying salty, acidic, and other special seasonings. Both materials meet food contact stainless steel standards. It supports horizontal, inclined, and vertical conveying methods, flexibly adapting to different workshop layouts. The maximum horizontal conveying length for a single unit is 30 meters, meeting long-distance transfer needs. Customization is also available; rollers can be added to allow for flexible movement and easy adjustment of the placement of the equipment, accommodating multi-station alternating operations.
Seasonings enter through the inlet, and the rotating propeller generates forward thrust, pushing the material in the closed pipe forward along the spiral direction to the outlet.
Stable and uniform conveying. The screw conveyor ensures stable, pulsating, or fluctuating material flow, crucial for the precision of seasoning mixing and packaging.
Easy to clean, reducing cross-contamination. The smooth inner surface and easy disassembly facilitate batch-to-batch cleaning, minimizing the risk of flavor residue.
Integrable with screening, mixing, and packaging lines. This conveyor can be easily connected to other upstream or downstream equipment, enabling a fully automated production line from raw material receiving to finished product packaging.
| Parameters | Specification range |
| Screw diameter | 40mm～200mm |
| Conveying capacity | 0.5～10 m³/h |
| Conveying distance | ≤20m (customizable) |
| Conveying angle | 0°～90° (bendable conveying) |
| Screw material | Stainless steel 304/316L, food-grade plastic coating |
| Pipe material | Food-grade plastic |
| Drive power | 0.75～ 5.5kW |
| Dust-proof and moisture-proof design | Fully enclosed structure, nitrogen protection can be installed |
The seasoning screw conveyor primarily conveys powdered and granular seasonings such as salt, sugar, chicken bouillon, MSG, pepper, chili powder, and cumin powder. It can also convey free-flowing dry bulk materials such as flour, starch, and food additives.
Powdered seasonings: fine powdered seasonings such as pepper, chili powder, ginger powder, garlic powder, etc.
Granular seasonings: Granular seasonings such as cumin seeds, peppercorns, sesame seeds, etc., usually have a certain particle size and shape.
Flake seasonings: Flake or thin flaky seasonings such as bay leaf fragments, dried ginger slices, and shallot slices.
Mixed seasonings: including compound spices, seasoning mixtures, etc., which may be composed of seasonings in a variety of different forms, such as powder, granules, flakes, etc.
Seasoning Mixing Production Line：This screw conveyor continuously feeds various powdered and granular seasonings, such as salt, sugar, chicken bouillon, chili powder, and cumin powder, to mixers and blenders. Continuous automated production can be achieved by connecting to screening, mixing, and packaging equipment.
Packaging Production Line：Primarily used to convey seasoning powders to automatic packaging machines for bagging, bottling, or canning operations. The conveyor provides a stable feed rate, ensuring accurate filling and efficient packaging.
Ready-to-Eat Food Factory：Suitable for ready-to-eat food, frozen food, and convenience food production lines. Equipped with an electronic weighing system, it automatically and accurately controls the amount of seasoning used and provides flexible conveying methods to adapt to different production layouts.
Dust Leakage: Without fully enclosed piping, fine particles such as chili powder or pepper powder may leak into the workshop, causing waste and safety hazards. Enclosed screw conveyors effectively prevent dust leakage.
Moisture Clumping: Hygroscopic seasonings such as salt or chicken bouillon absorb moisture and adhere to the inner walls of the pipes. Stainless steel construction and optional nitrogen purging reduce this risk.
Cross-contamination During Flavor Switching: When switching from one seasoning to another, residual material in the conveyor can affect the flavor of the next batch of product. A quick-access maintenance design facilitates thorough cleaning between batches.
Unstable Feeding in Packaging Machines: If the material flow is unstable, packaging machines may experience underfilling or overfilling of bags. Screw conveyors equipped with variable speed drives provide a stable feed rate.
Mirror-Polished Inner Tube: The smooth, polished inner surface reduces residue buildup, making cleaning more effective and meeting food hygiene requirements.
Removable Screw The screw can be easily disassembled for deep cleaning or replacement, which is especially important when changing strong-flavored seasonings.
| Parameters | Typical Options |
|---|---|
| Screw Diameter | 114 / 141 / 159 / 219 mm |
| Capacity | 300–5000 kg/h |
| Length | Custom |
| Angle | Horizontal / Inclined |
| Material | SUS304 / SUS316 |
| Power | Based on model |
Q: Is stainless steel mandatory?
A: SUS304/SUS316 stainless steel is strongly recommended for food-grade seasoning production to ensure hygiene and corrosion resistance.
Q: Can it be connected to a packaging machine?
A: Yes, it can be perfectly matched and connected to automatic packaging machines to form an integrated production line.
Q: How to clean it after changing flavors?
A: It is equipped with a quick-opening top cover and a removable screw structure, making internal cleaning quick and easy and avoiding cross-contamination of materials.
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