LPG Centrifugal Spray Dryer for Food Ingredient Processing: Instant Coffee Powder
LPG Centrifugal Spray Dryer is evaluated for instant coffee powder in food ingredient processing. The defined feed is clarified concentrated roasted coffee extract. Match this duty to the material checks below and the unchanged original equipment parameters.
Instant Coffee Powder: Application and Process Requirements
For instant coffee powder, balance aroma retention with powder collection and wall deposition. Begin with clarified concentrated roasted coffee extract and confirm how the incoming grade varies before defining the drying cycle.
Feed, Product Quality and Downstream Handling
| Review item | Instant Coffee Powder |
|---|---|
| Defined feed | clarified concentrated roasted coffee extract |
| Material-specific focus | balance aroma retention with powder collection and wall deposition |
| Product checks | moisture, aroma profile, solubility and bulk density |
| Downstream handling | sealed transfer to coffee blending or packing |
Material Movement and Drying Control
Include moisture, aroma profile, solubility and bulk density in the trial record. Fix the sampling locations and analytical methods before comparing trials; feed preparation and cooling can affect the measured result.
Drying Endpoint and Product Acceptance
After acceptance, arrange sealed transfer to coffee blending or packing. Review discharge, temporary holding and packaging exposure as part of the moisture-control plan.
Application-Specific Equipment Selection
LPG Centrifugal Spray Dryer selection for instant coffee powder starts with Centrifugal Spray Dryer requirements and the defined feed. Assess High Speed Centrifugal Spray Dryer and Spray Drying together with Spray drying equipment; the industrial food dryer duty must be demonstrated using representative material and the required finished-product specification.
View the LPG Centrifugal Spray Dryer range and original equipment specifications
Technical References for This Application
Define hygiene and contamination controls for the food process. FDA food manufacturing practices.
Review food-hygiene planning alongside the drying operation. Codex food-hygiene resources.
Evaluate the finished ingredient using the agreed water-activity method. FDA water-activity reference.
Review the dust characteristics of the collected dry material. HSE combustible-dust guidance.
Review the thermal duty and utilities for the actual feed. U.S. DOE process-heat reference.
Equipment Reference Parameters
These are the LPG Centrifugal Spray Dryer model specifications. The operating duty for instant coffee powder must be established from the feed and the finished-product requirements above.
| Specification | Selection basis |
| Product-contact material | Selected for the feed chemistry and cleaning procedure |
| Feed rate | Determined by feed solids, evaporation load and required output |
| Drying duty | Application-specific water removal and outlet moisture target |
| Atomization | Centrifugal, pressure-nozzle or two-fluid configuration |
| Heating and controls | Matched to available utilities and process requirements |
| Documentation | Confirmed with the project specification |
| Model | LPG-5 | LPG-25 | LPG-50 | LPG-100 | LPG-150 | LPG-200–10000 |
|---|---|---|---|---|---|---|
| Inlet-Air Temperature (°C) | 140–350, automatic control | 140–350, automatic control | 140–350, automatic control | 140–350, automatic control | 140–350, automatic control | 140–350, automatic control |
| Outlet-Air Temperature (°C) | Approx. 80–90 | Approx. 80–90 | Approx. 80–90 | Approx. 80–90 | Approx. 80–90 | Approx. 80–90 |
| Maximum Water Evaporation (kg/h) | 5 | 25 | 50 | 100 | 150 | 200–10000 |
| Centrifugal Atomizer Drive | Compressed-air drive | Mechanical drive | Mechanical drive | Mechanical drive | Mechanical drive | Mechanical drive |
| Atomizer Speed (rpm) | 25000 | 18000 | 18000 | 18000 | 15000 | 8000–15000 |
| Atomizer Disc Diameter (mm) | 50 | 100 | 120 | 140 | 150 | 180–340 |
| Heat Source | Electricity | Electricity + steam | Electricity + steam, fuel oil or coal gas | Electricity + steam, fuel oil or coal gas | Electricity + steam, fuel oil or coal gas | Determined by the user |
| Maximum Electric-Heater Power (kW) | 9 | 36 | 63 | 81 | 99 | — |
| Overall Dimensions (L×W×H) (m) | 1.8×0.93×2.2 | 3×2.7×4.26 | 3.7×3.2×5.1 | 4.6×4.2×6 | 5.5×4.5×7 | Determined according to the project |
| Powder Recovery (%) | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 |
| Atomization method | Key considerations | Typical selection questions |
| Pressure nozzle | Pump and nozzle conditions | Is the feed stable and suitable for the nozzle? |
| Centrifugal | Atomizer operation and chamber layout | What powder characteristics and capacity are needed? |
| Two-fluid nozzle | Atomizing gas and feed delivery | What are the trial scale and gas requirements? |
Equipment Views
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