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This heavy-duty food-grade vacuum conveyor is specially customized for coffee, chocolate, cookie and snack manufacturers, adopting electropolished ASTM 304 stainless steel. It supports dilute and dense phase conveying for fragile dry powders, fully sealed pipeline avoids allergen leakage. With 3–33L single batch capacity and max 8t/h output, it meets FDA and EU food contact standards, equipped with auto filter cleaning to cut maintenance cost, widely applied in food, nutraceutical, chemical and lithium industries.
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Equipped with independent auto filter backwash cleaning system, the filter element can be cleaned regularly without frequent manual disassembly. The vacuum pump only operates during material feeding, which greatly reduces power consumption and long-term operating expense. The whole equipment occupies very small floor space, with flexible pipeline layout to fit compact food workshop space. It fully complies with FDA, EC 1935/2004 and EC 10/2011 food contact material regulations, safe for long-term food production.
Dilute Phase Conveying
Powder materials are fully mixed with air flow and transported at medium speed, air-powder mixing ratio is balanced. This mode suits non-friable fine powder such as sugar, flour and coffee raw powder, with stable high conveying efficiency.
Dense Phase Conveying
Raw materials move in continuous material slugs inside pipelines at low flow speed, with minimal air volume involved. Low-speed friction greatly reduces breakage of fragile materials like chocolate powder and nut flour, perfectly for finished confection powder mixing delivery.
| Parameter Item | Standard Specification |
|---|---|
| Contact Material Grade | Electropolished ASTM 304 Stainless Steel |
| Single Batch Volume Range | 3 L ~ 33 L |
| Maximum Conveying Capacity | 8 tons per hour |
| Conveying Mode Optional | Dilute Phase / Dense Phase |
| Cleaning System | Automatic Filter Backwash Cleaning |
| Compliance Standard | FDA, EC No 1935/2004, EC No 10/2011 |
| Material Adaptation | Fragile dry powder, granular food materials |
| Core Advantage | Small footprint, low power consumption |
| Applicable Workshop | Food, pharmaceutical, lithium, chemical plant |
This vacuum conveyor is the core supporting equipment of food processing production lines, mainly used for chocolate, coffee, cookies, potato chips, candy, nutraceuticals, pet food, tea and baking raw material transportation. Besides food industry, it can also match plastic, lithium battery, coating, magnetic material and general chemical factories, as long as raw materials do not need full anti-acid stainless steel protection. It realizes automatic long-distance powder conveying from unpacking station to mixer, extruder and packaging machine without manual carrying.
Food-Grade 304 Electropolished Housing: Bright smooth inner surface without dead angle, easy to rinse, reach EU and FDA food safety standards, lower cost than 316L acid-resistant type.
Dual Conveying Modes: Switchable dilute/dense phase design, suitable for both common powder and fragile chocolate/coffee materials without crushing.
Fully Sealed Allergen Isolation: Negative pressure closed pipeline prevents powder overflow, avoid cross-contamination of different food raw materials and protect workers from allergic dust.
Auto Filter Cleaning System: Timed pulse backwash removes filter cake automatically, reduce manual cleaning frequency and save labor maintenance cost.
Energy-Saving Vacuum Design: Vacuum pump only runs during feeding cycle, idle power consumption eliminated, factory electricity cost largely cut down.
Compact Small Footprint: Miniature main unit structure, flexible pipeline bending, ideal for narrow food workshop layout.
Wide Industry Compatibility: Cover coffee, chocolate, snack, health food, lithium and general chemical industries with unified equipment model.
Complete Food Safety Certification: Pass FDA and European food contact regulation inspection, meet export factory audit requirements.
