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HT 25
CALANDRIA EVAPORATOR
Description
Evaporation deals with the concentration of a non-volatile solute from a solution by the removal of required amount of volatile solvent. Usually the solvent is water. By vaporizing a part of the solvent, useful product i.e. the concentrated solution or thick liquor is produced and the vapour is discarded. Long tube evaporators are usually used for the concentration of foamy liquids. It is a short tube vertical evaporator; the tubes are surrounded by a Stainless Steel jacket and fitted with accumulator. Dilute solution is feed to evaporator and heated by Steam from a steam generator to concentrate the dilute feed solution to a desired level. The jacket is fitted with a steam trap and the condensate is collected at the end of trap. The vapours of volatile solvent are condensed in a shell & tube type condenser and the balance non-volatile solute collected in the accuI1mlator is recycled through the evaporator.
EXPERIMENTS
To concentrate a solution and to evaluate the following at steady state:
- Material and Heat Balance
- Economy and the capacity of the evaporator
- Overall heat transfer co-efficient
FEATURES
- Superb Painted structure
- Simple to operate & maintain
UTILITIES REQUIRED
- Water Supply 5 lit/min (approx.) and Drain
- Electricity Supply: 1 Phase, 220 V AC, 7 kW
- Required Chemicals
| Product & Code |
Calandria Evaporator & HT 25 |
| Evaporator |
Material Stainless Steel, OD-30cm, with central down take of 10cm Dia, |
| Feed Tank |
Material Stainless Steel, Capacity 20 Ltrs |
| Flow measurement |
Rotameter 2 Nos. (one each for feed arid cooling water) |
| Feed Circulation |
By compressed air (optional : using mini compressor) |
| Steam Generator |
Made of Stainless Steel provided’ with Pressure & Level Gauge, Safety valve and drain etc. & insulated with ceramic wool and cladding with Aluminum foil. |
| Piping |
Stainless Steel and PVC, size ¼” |
| Condenser |
Shell & Tube type made of Stainless Steel |
| Product tank |
Made of Stainless Steel, capacity 10 Ltrs. |
| Heater |
Nichrome wire heater. |
| Water supply tank |
Made of Stainless Steel, capacity 100 Ltrs. (for condenser). |
| Pump |
FHP capacity |
| Temperature Sensors |
RTD PT-100 type |
| Control panel |
Digital Temperature Controller: 0-199.9°C (For Steam Generator)
Digital Temperature Indicator: 0-199.9°C with multi channel switch
On/Off switch, Mains Indicator etc |
| Painted rigid MS structure is provided to support all parts |
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