Nutsche Filter Dryer
In order to meet the confined production process, filter washing and drying reactor, three-in-one filter has been developed. TOPTION this production system can realize half automatic or complete automatic operation control.
Nutsche Filter Dryer main working steps
1. Feeding
Open the feeding valve to feed in the tank, paddle should be in the upper position when feeding, if necessary, can be lowered stirring paddle for low speed stirring, so that the material is evenly distributed. When the material reaches the specified process stop feeding, close the feed valve.
2. Washing
Washing fluid at 0.2 ~ 0.3MPa pressure by the rotating nozzle cleaning, and stirring paddle has been suspended high.
3. Filter
After washing, upper the stirrer to related position, stop stirring, the liquid will be discharged from bottom. Then repeat the filtering steps until you get perfect material.
4. Drying
- Open hot water valve, then balance valve, next vacuum valve.
- Please open the balance valve in advance if upper vacuum down drying condition, to ensure pressure balance. to Concentration of chloride ions in the heating and cooling water should be strictly controlled, to avoid chloride ions on the jacket and the tank corrosion. Please use of chloride-free water.
- Open the jacket water inlet valve slowly, and open slightly for water outlet valve. Fully open them when outlet and inlet has temperature gap less than 20℃ to avoid cavitation vibration.
5. Material discharge
Sampling analysis before discharge, if ok, then discharge them.
- Nutsche filter dryer
Main technical parameters of laboratory nutsche filter:
| No | Details | Remark |
| 1 | description | Filter area | 0.07m2 | |
| filtering accuracy | 5μm | Standard 5um 1um-2mm is optional |
| Inner diameter | 300mm | |
| volume | 0.02m3 | |
| Empty weight | 600kg | |
| Total height | 1700mm+150mm | |
| Tank design pressure | -0.1～0.4MPa | |
| Jacket operation pressure | 0.5MPa | |
| Tank operation temp | 0～160℃ | |
| Jacket operation temp | 0～160℃ | |
| Tank working medium | Chemical materials | |
| Jacket working medium | Cooling water, hot water, hot oil, steam | |
| Heating position | Tank(jacket), bottom (jacket) | |
| Discharge method | Manual side discharge | |
| Pressure tank design standard | GB150.1～150.4-2011 | |
| Flange design standard | HG20592-2009 | |
| Clamp design standard | ISO2852 | |
| Discharge valve port size | 100 | |
| Discharge port size | 50 | |
| 2 | Mixing drive apparatus | Stirrer stroke | 100mm | |
| Stirrer motor power | 1.1kw | |
| voltage | 220 V | |
| Rated frequency | 50Hz | |
| phase | 2 | |
| Max rotation speed | 15rpm | |
| Min rotation speed | 0rpm | |
| 3 | main configuration list | O shape seal | Coaded with PTFE | |
| Gear motor | Eugene | |
| Reducer | 1:100 Reduction ratio | |
| Machinery Seal | Mechanical seal, wetted material 316L, + bellows | |
| Spray ball | Fixed type, 1 pc, SS316L | |
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