Product limits
Material properties, critical temperature, moisture target, fill depth and required finished-product quality.
FOOD & INGREDIENTS
Commercial Food Freeze Dryers
Tray-based SSFD systems for fruit, vegetables, dairy, nutrition, pet food and prepared products.
1–250 m²Published SSFD shelf range
10–2,500 kgIndicative fresh load per batch
2 methodsContact or radiant heating
12 modelsLaboratory to industrial scale
Selection worksheet
Model selection starts with the real production requirement.
Provide these engineering inputs so shelf area, condenser margin, loading and utility demand can be evaluated together.
Batch target
Container or tray format, loading quantity, units per batch and the required production rhythm.
Cycle basis
Freezing method, drying stages, known cycle duration, endpoint method and condenser demand.
Facility boundary
Room arrangement, door orientation, technical-area access, material flow and maintenance clearances.
Automation level
Loading, recipes, interlocks, alarms, trend records and interfaces with the wider production system.
Project evidence
Required drawings, material records, factory acceptance, training and qualification responsibilities.
Published model data
A scalable SHENSHENG product platform.
Values below are published references. Final performance, utilities and certificate scope must be confirmed in the project quotation.
| Model | Shelf area | Indicative fresh load / batch* | Heating method | Typical fit |
|---|---|---|---|---|
| SSFD-1 | 1 m² | 10 kg | Contact / radiant | Laboratory and trials |
| SSFD-2 | 2 m² | 20 kg | Contact / radiant | Pilot and small production |
| SSFD-5 | 5 m² | 50 kg | Contact / radiant | Small commercial batches |
| SSFD-10 | 10 m² | 100 kg | Contact / radiant | Commercial production |
| SSFD-20 | 20 m² | 200 kg | Contact / radiant | Medium production |
| SSFD-30 | 30 m² | 300 kg | Contact / radiant | Medium / large production |
| SSFD-50 | 50 m² | 500 kg | Radiant | Industrial line |
| SSFD-80 | 80 m² | 800 kg | Radiant | Industrial line |
| SSFD-100 | 100 m² | 1,000 kg | Radiant | Industrial line |
| SSFD-150 | 150 m² | 1,500 kg | Radiant | High-output line |
| SSFD-200 | 200 m² | 2,000 kg | Radiant | High-output line |
| SSFD-250 | 250 m² | 2,500 kg | Radiant | Large factory project |
* Indicative values from the supplied SHENSHENG selection guide. Large models from SSFD-50 upward are described as radiant-heating configurations requiring a separate quick-freezing room. Confirm all values and utilities in the quotation.
Process-critical controls
What the system must control during the cycle.
These controls connect the equipment specification to actual process risk.
Freezing
Product structure begins hereReview shelf cooling, nucleation assumptions, fill depth and the temperature margin before primary drying.
- Shelf ramp and hold control
- Product probes by agreed scope
- Uniform loading pattern
Primary drying
Balance heat input and vapour flowChamber pressure, shelf temperature, condenser capacity and product temperature must remain within the process window.
- Vacuum-control strategy
- Condenser margin
- Endpoint method
Secondary drying
Reach the moisture targetControlled heating and hold time support desorption without exceeding the product temperature limit.
- Recipe repeatability
- Trend and alarm review
- Stoppering sequence
Utilities & interfaces
The chamber is one part of a production system.
Final requirements are calculated from model, cycle and site conditions. The proposal should clearly allocate every connection and responsibility.
ElectricalVoltage, frequency and connected production load
CoolingCooling-water or air-cooled basis and heat rejection
Quick freezingIntegrated or independent pre-freezing by selected model
DrainageDefrost water, cleaning water and floor-drain allocation
Room interfacesTray flow, loading access, unloading and cleaning space
DataRecipes, batch records, alarms and production trends
Project deliverables
Know what should arrive with the equipment.
The final document list is agreed contractually; this framework makes the project discussion concrete.
Before manufacturing
- Approved configuration and system boundary
- General arrangement and interface drawings
- Utility schedule and site-readiness inputs
- Controls and documentation scope
Before shipment
- Agreed FAT protocol and records
- Inspection and calibration records by scope
- Equipment, component and packing records
- Open-item and change-control list
At installation
- Installation and commissioning guidance
- Operation and maintenance manuals
- Operator and maintenance training
- Recommended spare-parts list
Engineering review
Review the system with application and facility teams together.
A productive technical review includes the product, process, production target, engineering boundary, quality requirements and procurement scope.
Send your selection inputsFAQ
Questions buyers ask before selection.
Short answers support early evaluation; project-specific decisions remain subject to engineering confirmation.
Which SSLY model is suitable for a pilot or production project?
Selection depends on container format, units per batch, shelf area, water load, loading method, utilities and documentation scope. A model code should only follow this engineering review.
Can the system include hydraulic stoppering?
The published SSLY range includes common and hydraulic stoppering configurations. The mechanism, pressure and applicable container system must be confirmed in the technical proposal.
What temperature and vacuum values are published?
Selected published SSLY data lists a no-load shelf setting range of −50°C to +70°C and ultimate vacuum of ≤5 Pa. Product performance and cycle conditions remain project-specific.
Can the system integrate with cleanroom loading and plant utilities?
Yes. Door arrangement, technical-area access, material flow, utilities, controls and documentation can be reviewed within the project system boundary.
