Cashew Kernel Humidification Chamber
Condition moisture for clean peeling
A humidification chamber that finely re-conditions kernel moisture after drying — the sweet spot where the skin peels off cleanly without cracking the kernel.
The TTQ Cashew Kernel Humidification Chamber re-conditions the moisture of dried kernels to the narrow window where the testa skin releases cleanly but the kernel stays intact. After borma drying kernels can be brittle; a short, controlled humidification restores just enough moisture — typically a point or two — so peeling maximises whole-kernel yield. It is a sealed chamber with regulated humidity and dwell time.
Technical specifications
| Function | Re-conditions kernel moisture pre-peel |
|---|---|
| Type | Sealed humidity chamber |
| Control | Regulated RH + dwell timer |
| Effect | Reduces peeling breakage |
| Capacity | Batch, line-sized |
| Build | Insulated chamber, aluminium trays and trolleys; stainless steel chamber, trolleys and trays available |
Figures are typical and configurable — we confirm exact specifications against your capacity and grade targets.
Why you put moisture back after taking it out
Controlled moisture
Restores just enough moisture to loosen the skin without re-wetting the kernel.
Less peeling breakage
Conditioned kernels peel cleanly, protecting whole-kernel grades.
Regulated RH + dwell
Humidity and time are held to a recipe for repeatable conditioning.
Protects wholes
Takes the brittleness out of dried kernels before they reach the peeler.
Model & capacity comparison
Every model TTQ builds for this stage, side by side. Pick by throughput and footprint — each links straight to a quote.
Humidification rooms — models
Re-conditions dried kernels to the ideal moisture for high whole-kernel peeling yield. Batch sizes 0.5 T to 4.5 T.
| Model | Capacity | Power | Footprint (L×W×H) | Cycle | Crew | Ref | Quote |
|---|---|---|---|---|---|---|---|
| 0.5 T | 0.5 T/batch | 1 HP (0.75 kW), 3-phase 380V | 4.5 × 1.3 × 1.8 m | 5–6 h/batch | 1 | TTQ-HUM-01 | Quote → |
| 1 T | 1 T/batch | 1 HP (0.75 kW), 3-phase 220V | 3.5 × 2.2 × 2.2 m | 5–7 h/batch | 1 | TTQ-HUM-02 | Quote → |
| 1.5 T | 1.5 T/batch | 2 HP (1.5 kW), 3-phase 380V | 4.0 × 2.2 × 2.2 m | 5–7 h/batch | 1 | TTQ-HUM-03 | Quote → |
| 2 T | 2 T/batch | 2 HP (1.5 kW), 3-phase 380V, 2 fans | 4.8 × 3.0 × 2.0 m | 3–5 h/batch | 1 | TTQ-HUM-04 | Quote → |
| 4.5 T | 4.5 T/batch | 2 HP (1.5 kW), 3-phase 380V, 2 fans | 4.85 × 3.65 × 2.05 m | 3–5 h/batch | 1 | TTQ-HUM-08 | Quote → |
Specifications are indicative and configurable; TTQ confirms exact figures against your capacity, grade targets and factory layout. Model codes shown are TTQ quotation references.
The process, drawn
The 2–4 hour peeling window
Peeling performance is decided before the kernel reaches the peeler. Miss the window and no machine recovers it.
The clock starts when kernels leave the humidifier. Beyond four hours the moisture redistributes through the kernel, the surface-to-core gradient disappears, and white-whole yield falls regardless of how good the peeler is.
The moisture ladder
Every number a cashew plant lives or dies by is a moisture number. Read left to right — this is the same journey as the eight stages, seen through water content.
Stages 03 and 04 look contradictory and are not. Drying makes the skin brittle; humidification softens only the outer surface so the skin lets go without the kernel softening with it.
The geometry behind it
The peeling window
Two failure modes move in opposite directions as kernel moisture changes. Below about 5% the kernel is brittle enough to break under the same force that removes the skin; above about 6% the testa softens and clings. The workable window is where both are low at once, and it is narrow.
Schematic, not measured data: the curves show the direction and the crossing, not values from a trial. The moisture figures on the axis are the ones this site commits to — 3–4% out of drying, 5–6% entering the peeler, 3–5% at packing.
Where it fits in the process
Sits between drying and peeling: brittle dried kernels are briefly re-humidified to the ideal peeling moisture, then fed to the peeler.
Cashew Kernel Humidification Chamber — FAQ
Why humidify kernels after drying?
How much moisture is added?
Where does it sit on the line?
Pairs well with
Cashew Dryer Machine (Borma)
Controlled borma drying
Open →
Cashew Peeling Machine
High whole-kernel yield, dry-peeled
Open →
Cashew Moisture Meter
Know the moisture, hit the grade
Open →
How Humidity Affects Cashew Peeling
Get the moisture right, peel more wholes
Open →Get a quote on the Cashew Kernel Humidification Chamber
Tell us your target capacity and grades. We'll come back with the right configuration, a layout and a costed proposal.