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Keeping cool in the face of sweet temptation
For many people, chocolate is more than just one of life’s sweetest temptations. The complex machinery required for the industrial production of this luxury food item also presents engineers with major challenges. In an ever-tightening market, traditional companies in particular, such as the Ludwig Weinrich chocolate factory, need to rise to current economic and ecological challenges. To do this, they need reliable partners.
For many people, chocolate is more than just one of life’s sweetest temptations. The complex machinery required for the industrial production of this luxury food item also presents engineers with major challenges. In an ever-tightening market, traditional companies in particular, such as the Ludwig Weinrich chocolate factory, need to rise to current economic and ecological challenges. To do this, they need reliable partners.
The project:
New pumps for cooling water system
In the complex chocolate manufacturing process, the transport of cooling water to production systems may seem at first glance to be of secondary importance. In fact, it is a crucial aspect of the process. During the different stages of processing, the chocolate mass and other ingredients must be heated and then cooled immediately under controlled conditions. Unless this can be performed reliably, large quantities of chocolate may become unusable and the entire production cycle can come to a standstill.
The customer:
Ludwig Weinrich chocolate factory
The Ludwig Weinrich chocolate factory in the town of Herford in East Westphalia, Germany, has been producing chocolate for more than 120 years. A fourth-generation family-run enterprise dedicated to sustainability, it has around 400 employees who work with sophisticated chocolate recipes every day to create perfect moments of indulgence.
Cooling water system with Movitec VF pumps
The challenge:
Redundancy and reduced energy costs at one stroke
The Ludwig Weinrich chocolate factory decided to replace its existing error-prone cooling water system, to ensure system availability and smooth manufacturing operations. Since, as in many other branches of industry, the old system was associated with rapidly escalating energy costs, the company also hoped that the new cooling water system would slash energy consumption to a level more appropriate for a modern manufacturing facility.
The solution:
Selection of demand-driven pumps
As in many other projects, KSB collaborated with the Wendik Pumpen-Service company based in Herford, Germany. The two companies have a long history of collaboration in installing and maintaining KSB pumps spanning more than 50 years.
After extensive consultation with KSB, the data required for the system was collected internally and evaluated. Wendik Pumpen-Service then used this data for planning the new cooling water system and selecting the pumps. The company opted for the Movitec VF high-pressure centrifugal pump, which, in conjunction with PumpDrive 2, achieves the desired energy savings by delivering performance that constantly adapts to demand. The Bowe & Vaal company installed the piping for the system. Wendik Pumpen-Service installed and successfully commissioned the pumps and is also responsible for servicing.
The installed redundancy means that the Ludwig Weinrich chocolate factory now has process reliability it can depend on. The selection of demand-driven pumps has also delivered incredible energy savings of 75% – a highly effective combination that works.
Two Movitec VF pumps equipped with PumpDrive 2
Data | Facts | Figures
Plant: Cooling water system for chocolate production
End user: Ludwig Weinrich chocolate factory
Pumps, frequency inverters, sensors, valves:
2 x Movitec VF 060-01-1 high-pressure centrifugal pumps with PumpDrive 2 (motor-mounted)
2 x SERIE 2000 DN100-PN10/16 swing check valves
8 x BOAX-SF DN100-PN16-EPDM-XU centred-disc butterfly valves
7 x BOAX-SF DN065-PN16-EPDM-XU centred-disc butterfly valves
Used products
Movitec
Meertraps, verticale hogedruk-centrifugaalpomp van het type ledenpomp met tegenover elkaar liggende zuig- en persaansluitingen met dezelfde nominale diameter (inline-uitvoering) en blokuitvoering voor aandrijving. Met KSB SuPremE, een magneetvrije synchroon-reluctantiemotor (uitzondering: motorgrootten 0,55 kW / 0,75 kW met 1500 min⁻¹ zijn uitgerust met permanente magneten) van efficiëntieklasse IE4/IE5 volgens IEC TS 60034-30-2: 2016, voor bedrijf met toerenregelsysteem type KSB PumpDrive 2 of KSB PumpDrive 2 Eco zonder rotorpositiesensor. Bevestigingspunten conform EN 50347, maten van de ommanteling conform DIN V 42673 (07-2011). ATEX-uitvoering verkrijgbaar.
BOAX-S/SF
Centrische vlinderklep met vierkant asuiteinde volgens ISO 5211 voor vlinderkleppen vanaf DN 350, met warmtekering, elastomeer-ringbalg (EPDM XU of nitril K), met handgreep, handbediende reductiekast of elektrische actuator (BOAXMAT-S- en BOAXMAT-SF), huis met centreerogen (T2), huis met draadflensogen (T4) voor eenzijdig afflenzen en inbouw als eindafsluiter toegestaan, klepblad van roestvast staal 1.4308, aansluitingen conform EN.
SERIE 2000
Tweebladige terugslagklep in klemuitvoering, eendelig huis van lamellair gietijzer, nodulair gietijzer, staal, roestvast staal of metaal-elastomeer-afdichting of metaal-metaal-afdichting, onderhoudsvrij, aansluitingen conform EN, ASME of JIS.
PumpDrive 2/PumpDrive 2 Eco
Zelfgekoelde frequentieregelaar met modulaire opbouw, die een traploze toerentalwijziging van asynchroon- en synchroonreluctantiemotoren via analoge normsignalen, veldbus of bedieningspaneel mogelijk maakt. Door de zelfkoeling van PumpDrive is de montage op de motor, op de muur alsmede in een schakelkast mogelijk. Regeling van maximaal 6 pompen zonder extra regelaar.