A Plant Edible Oil Tank is a specialized, food-grade storage container, usually stainless steel, designed to hygienically store various vegetable oils (like palm, soy, sunflower) at processing plants or refineries, featuring temperature control, mixing, and level monitoring to maintain oil quality and prevent spoilage before packaging or further processing. These tanks are crucial for large-scale edible oil operations, ranging in size and equipped with features to handle different oil viscosities and ensure product consistency.
Material: Stainless Steel (SS304, SS316L) for purity; mild steel with food-grade coating is an alternative.
Shape & Orientation: Typically vertical cylindrical for large volumes, horizontal for smaller ones; often with conical or sloped bottoms for complete drainage.
Internal Finish: Mirror-polished or electropolished surfaces to prevent contamination and allow easy cleaning (CIP).
Heating & Insulation: Optional heating coils (steam/electric) and insulation (PU foam/mineral wool) with protective aluminum jacketing for temperature stability.
Roof: Aluminum dome roofs or fixed/floating roofs with self-supporting structures to protect against moisture and contaminants.
Foundation: Supported on legs or concrete plinths, with annular plates for stress distribution in large tanks.
Venting: Germ-proof breathing valves and pressure/vacuum relief vents (normal & emergency) to maintain integrity and prevent contamination, often connected to a nitrogen blanket system.
Level/Temp Monitoring: Liquid level indicators, thermometers, and sensors.
Access & Cleaning: Manholes, sampling ports, CIP (Cleaning-In-Place) spray balls, inlet/outlet ports, and drainage ports.
Sealing: Fluororubber seals for critical connections, like manholes.
Design Considerations:
Hygiene: Must meet GMP (Good Manufacturing Practices) standards.
Thermal Control: Designed to maintain oil quality, preventing solidification or degradation from hot spots.
Capacity: Varies greatly (e.g., 5,000L to 500,000L+) depending on plant needs, with larger tanks usually outdoor-installed.
Food Manufacturing: Storing raw oils and finished products (margarine, snacks, dressings).
Oil Refining & Processing: Holding crude and refined oils, facilitating heating, mixing, and separation.
Bulk Storage & Distribution: Large tanks for import/export terminals and distribution centers.
Retail & Hospitality: Smaller dispensing tanks for supermarkets, restaurants, and hotels.
Industrial Uses: Storing oils for biofuels, soaps, paints, and lubricants.
Pharmaceuticals: Holding raw materials, intermediates, and finished products.
Soybean Oil, Palm Oil, Sunflower Oil, etc..
High melting fats (tallow, hydrogenated oils).
Acid oils and fatty acid distillates.
Hygiene & Purity: Preventing contamination.
Temperature Control: Heating, chilling, or insulation for specific oil properties.
Processing: Mixing, blending, fermentation, homogenization.
Inventory Management: Accurate level monitoring.
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