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Ludwig Weinrich chocolate factory premises from outside 
4 min read

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.
System incorporating piping, pumps and valves

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.
Piping, valves and Movitec VF pumps equipped with PumpDrive 2

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

Movitec
Documentos

Bomba centrífuga vertical de alta presión, multicelular, diseño monobloc y cuerpo segmentado, con bridas de aspiración e impulsión de idénticos diámetros nominales en disposición in-line. Con KSB SuPremE, un motor síncrono de reluctancia sin imanes (excepto: los tamaños de motor de 0,55 kW / 0,75 kW de 1500 rpm están equipados con imanes permanentes) con clase de eficiencia IE4/IE5 según IEC TS 60034-30-2:2016, para su uso con sistema de regulación de velocidad de los modelos PumpDrive 2 o PumpDrive 2 Eco de KSB sin sensores de posición del rotor. Los puntos de fijación del motor son conformes a EN 50347. Las dimensiones de la superficie envolvente son conformes a DIN V 42673 (07-2011). Disponible en versión ATEX.

Detalles

BOAX-S/SF

BOAX-S/SF
Documentos

Válvula de mariposa de eje centrado con extremo del eje cuadrado conforme a ISO 5211 para válvulas de mariposa a partir de DN 350, con barrera térmica, anillo de elastómero (EPDM XU o nitrilo K), palanca manual, engranaje reductor manual o actuador eléctrico (BOAXMAT-S y BOAXMAT-SF), cuerpo con orejetas de desmontaje (T2) o tipo lug (T4) para desmontaje aguas abajo y función de válvula final de línea, mariposa de acero inoxidable 1.4308, conexiones según EN.

Detalles

SERIE 2000

SERIE 2000
Documentos

Válvula de retención de doble clapeta tipo wafer, cuerpo monobloc de fundición con grafito laminar, fundición nodular, acero o acero inoxidable, cierre del eje de metal-elastómero o de metal-metal, sin mantenimiento, conexiones según EN, ASME o JIS.

Detalles

PumpDrive 2/PumpDrive 2 Eco

PumpDrive 2/PumpDrive 2 Eco
Documentos

Variador de frecuencia autorrefrigerado de diseño modular que permite modificar gradualmente la velocidad de motores asíncronos y motores síncronos de reluctancia mediante señales estándar analógicas, un bus de campo o un panel de control. Debido a la capacidad autorrefrigerante de PumpDrive, puede ser montado directamente en el motor, en pared o dentro de un cuadro eléctrico. Puede controlar hasta 6 bombas en paralelo, sin necesidad de recurrir a un controlador externo.

Detalles

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