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Material suitability review for forced circulation
Build an engineering questionnaire around viscosity, suspended solids, quality, fouling and utilities.
How each condition changes the review
| Observed condition | Review before selecting | Evidence to request |
|---|---|---|
| Viscosity rises at target | Loop pressure loss, pumpability and a possible finishing stage | Property curve at process temperature and cold restart condition |
| Particles, fibres or crystals | Passage, suspension, abrasion and repeated shear | Size distribution, solids loading and representative trial |
| Heat-sensitive product | Inventory and residence history through every stage | Product-quality acceptance and temperature/time evidence |
| Fouling in existing equipment | Mechanism, deposit location and cleaning recovery | Duty trend, inspected deposits and cleaning test |
| Limited electrical service | Pump, vacuum, recompression and start-up loads | Operating power schedule on the same evaporation duty |
A review list is not a suitability approval
The questionnaire identifies relevant engineering questions. It cannot establish a pump curve, allowable product shear, cleanability or a guaranteed concentration. Use representative measurements and trials where uncertainty affects equipment selection.
Material behaviour
High viscosity and fouling: define the limits
A difficult feed justifies investigation. It does not establish a universal equipment capability.
↗Material behaviourParticles, fibres and crystallising food liquids
Distinguish suspended solids from solids formed during concentration, and evaluate each mechanism.
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