ZKG Vacuum Harrow(Rake) Dryer for Specialty Chemicals: Reactive Dye Intermediate Crystals
ZKG Vacuum Harrow(Rake) Dryer is evaluated for reactive dye intermediate crystals in specialty chemicals. The defined feed is washed crystalline dye intermediate. Review the material-specific operating requirements below alongside the original equipment specifications.
Reactive Dye Intermediate Crystals: Application and Process Requirements
For reactive dye intermediate crystals, retain intermediate identity and account for corrosive or solvent-bearing liquor. Start with washed crystalline dye intermediate, and identify the volatile phase and incoming variability before choosing a cycle.
Feed, Quality and Downstream Interface
| Review item | Reactive Dye Intermediate Crystals |
|---|---|
| Defined feed | washed crystalline dye intermediate |
| Material-specific focus | retain intermediate identity and account for corrosive or solvent-bearing liquor |
| Product quality checks | moisture, assay, residual solvent and impurity profile |
| Downstream handling | segregated transfer to the next synthesis or formulation step |
Loading and Material Movement
Include moisture, assay, residual solvent and impurity profile in the trial record. Define the sampling locations and analytical methods before the test; a result from a different grade, loading pattern or residual liquor cannot establish the operating endpoint for this feed.
Drying Endpoint and Acceptance
Compare representative mixed-batch, discharge and retained-heel samples.
Rake agitation is not a freeze-drying or calcination process.
Material-Specific Configuration
Vacuum Rake Dryer selection for this feed should be assessed alongside the agitated vacuum dryer process description. Evaluate industrial vacuum dryer and low-temperature vacuum drying with representative reactive dye intermediate crystals. This chemical powder drying application requires a material-specific sampling and acceptance plan.
After the batch meets the agreed specification, arrange segregated transfer to the next synthesis or formulation step. Examine the effect of discharge, temporary holding and packaging exposure on the measured product condition. Establish the usable batch and cycle for this material; the original model parameters below remain the equipment reference, not a throughput promise for every formulation.
View the ZKG Vacuum Harrow(Rake) Dryer range and original equipment specifications
Technical References for This Application
Review the supplier SDS for the actual grade and residual process liquor. HSE safety-data-sheet guidance.
Assess charging, sampling, cleaning and discharge around the selected material. HSE process exposure assessment.
Use the actual powder test data when defining dust collection and handling. HSE combustible-dust handling guidance.
Review operation, access, maintenance and the agreed equipment supply scope. HSE work-equipment selection guidance.
Define the heat-transfer duty and utilities rather than assuming a universal drying cycle. U.S. DOE process-heat reference.
Equipment Reference Parameters
These are the ZKG Vacuum Harrow(Rake) Dryer model specifications. The operating duty for reactive dye intermediate crystals must be established from the feed and the finished-product requirements above.
| Item | Unit | ZKG-500 | ZKG-750 | ZKG-1000 | ZKG-1500 | ZKG-2000 | ZKG-3000 | ZKG-5000 | ZKG-8000 | ZKG-10000 |
|---|---|---|---|---|---|---|---|---|---|---|
| Working Volume | L | 300 | 450 | 600 | 900 | 1200 | 1800 | 3000 | 4800 | 6000 |
| Internal Diameter | mm | Φ600 | Φ800 | Φ800 | Φ1000 | Φ1000 | Φ1200 | Φ1400 | Φ1600 | Φ1800 |
| Length | mm | 1500 | 1500 | 2000 | 2000 | 2600 | 2600 | 3400 | 4000 | 4000 |
| Agitator Speed | rpm | 5–25 | 5–25 | 5–15 | 5–15 | 5–15 | 5–10 | 5–8 | 4–6 | 3–6 |
| Total Power | kW | 5.5 | 7.5 | 11 | 11 | 15 | 22 | 30 | 45 | 55 |
| Jacket Design Pressure | MPa | 0–0.8 | 0–0.8 | 0–0.8 | 0–0.8 | 0–0.8 | 0–0.8 | 0–0.8 | 0–0.8 | 0–0.8 |
| Internal Design Pressure | MPa | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 | −0.095 to +0.1 |
Discuss Reactive Dye Intermediate Crystals Drying
Send QUANPIN the incoming reactive dye intermediate crystals specification, sample information and the required final product condition for an equipment review.
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