Centrifuge
أجهزة تصفية الحليب وشرش اللبن وفوسفات الكالسيوم
GEA clarifiers are used in the dairy industry to improve milk quality. The most important part of clarifying milk is the separation of non-milk solids (NMS).
Advantages of clarifiers to clarifying milk using filters
One of the biggest drawbacks of filters is the drop in flow rate over time because a thicker and thicker filter layer builds up. Running time is limited. The entire milk flow is passed through the filter layer. This allows bacteriological problems to arise due to entrainment; there is a risk of bacterial growth in the filter layer and thus reinfection of the milk. What is more, if there are cracks in the filter tissue, the clarifying effect is considerably reduced. Cleaning the filters after production is also an extremely laborious process.
Customer benefits
GEA generally supplies clarifiers with a hydrosoft feed system. This system combines the benefits of the GEA softstream and a hydrohermetic feed.
- Adequate flow cross-sections mean low feed pressure
- Optimum design means great flexibility with regard to feed quantity
- No ribs in the feed chamber mean no shear forces – gentle product treatment
- Hydraulic seal means no air trapped in product
Method of operation
Method of operation of clarifiersThe cleaned milk flows inwards and arrives in centripetal pump chamber. The milk is taken out of the rotating separator bowl under pressure and without foam by stationary centripetal pump. The solids slide outwards and accumulate in double cone-shaped solids chamber. A hydraulic system discharges the solids from the bowl at intervals which can be selected. Ejection is performed at full bowl speed.Processes in the disc interspace
The large number of individual separation chambers arranged in parallel between the discs divides the milk stream into many thin layers. This minimizes the sedimentation route. A solids particle is considered separated once it has reached the bottom disc surface of the top disc. Flow speed is low here. The particle is no longer entrained with the flow, but slides outwards under the influence of centrifugal force. At the end of the disc, it leaves the separation chamber.
Bowl ejections
In addition to providing adjustable partial ejections, the GEA ejection system also allows the bowl to be emptied completely.
With total ejections, the complete bowl contents are discharged. The feed to the separator has to be interrupted briefly to do this. Total ejections clean all the surfaces inside the bowl due to the very high flow velocities. This is particularly important for chemical CIP of the line and separator. Total ejections of a separator during CIP guarantee optimum results.
Machine Portfolio
Technical Features & CapacitiesGEA clarifiers are available with flat belt or integrated direct drive. Their self-cleaning bowl makes the machine suitable for fully automatic cleaning-in-place (CIP). All product-contacting parts are made of stainless steel. FDA approved materials are available for the seals. The product feed and discharges in the bowl are hydrohermetically sealed and do not feature mechanical seals.Available machine types
Clarifiers for milk or whey with flat belt drive
- GEA ecoclean
- GEA ecoclear
- MSE
Clarifiers for milk or whey with integrated drive
- MSI
Clarifiers for the recovery of calcium phosphate
- MSC
The hygienic design of types and MSI is certified by 3-A sanitary standards.
Capacities
Milk or Whey
- GEA ecoclean:
Milk or whey clarifying: 15,000 l/h - GEA ecoclear:
Milk skimming: 3000 l/h - 10,000 l/h
Milk standardization: 3000 l/h - 15,000 l/h - MSE / MSI:
Milk or whey clarifying: 10,000 l/h - 75,000 l/h - MSC:
Clarifying capacity of DCP: 3000 l/h - 9000 l/h
Standard scope of delivery
Types ecoclean / ecoclear / MSE:
- 3-phase AC motor
- Foundation frame
- Special tools
- Basic spare parts
- Gear oil
Additionally for type ecoclear:
- Manual flow control for concentrate recirculation
Additionally for type MSC:
- Integrated solids tank
Additionally for type MSI:
- Motor control (MCC)
- Condition monitoring for pro-active maintenance
Options
Types ecoclean / ecoclear / MSE / MSI / MSC:
- Solids tank or solids discharge
- Feed flow control
- Back pressure control
- Process control (PLC)
Additionally for types ecoclean / ecoclear / MSE / MSC:
- Motor control (MCC)
Additionally for types MSC / MSE:
- Condition monitoring for pro-active maintenance
Downloads
فيديوهات ذات صلة
Direct drive. Direct Impact. Separators with exchangeable direct drives.
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