MechChem Africa

High-Tech Processing, a local brewery, beverage, alcoholic and soft drink plant solutions provider, chose Endress+Hauser to join with them on a large project to offer the customer, an international beverage manufacturer, the most efficient and cost-saving operation possible.

With the variety of imports available to the South African consumer, food and beverage manufacturers now have added pressure to produce their products in an even more competitive way than before, and at the same time to respond to consumers’ desires for new and appetising products. They want to ensure that these are also environmentally friendly. The primary concern of any design engineer is to gain increased production and consistent product quality by employing the benefits of effective process automation.

Smarter cider productionFifteen metre-high tanks containing 2 200 hl of cider.

Well known as leaders in instrumentation in the food and beverage Industry, Endress+Hauser could provide expert advice on reliable, quality measurements that would supply the necessary data for the ideal process. The application involved the measurement of volume in 15 m high tanks containing 2 200 hℓ of cider.

The tanks were equipped with an agitator and the product often formed thick layers of foam. The Deltapilot (FMB70) was selected for level measurement in the tanks. It is not affected by foam and is perfectly adapted to fast changing process conditions. The patented hermetically sealed CONTITE measuring cell is condensate- and climate-resistant. The sensor shows best performance and long-term stability and accuracy even following CIP/SIP cycles. Hydrostatic level transmitters are probably the simplest to use and apply. A sensor converts the pressure of liquid head acting on a process diaphragm into an electrical signal. When the density of the liquid is known, this signal is a direct indication of the level. Hydrostatic level transmitters are the most commonly used level measurement in the food and beverage Industry.

Profibus DP was selected as the communication protocol. Digital communication, which simplified commissioning and helped ensure efficient operation, was the preferred method. It allowed more information to be available to optimise the process; for example, the density sensor was also used to detect the low level in the tank as well as measure the changing density. It also ensured that possible losses over an analogue line were eliminated and therefore resulted in a more accurate data transfer between the Density Computer and the PLC.

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Contact MechChem Africa

Title: Editor
Name: Peter Middleton
Email: mechchemafrica@crown.co.za or peterm@crown.co.za
Phone: +27 11 622 4770
Fax: +27 11 615 6108

Title: Editor
Name: Glynnis Koch
Email: mechchemafrica@crown.co.za
Phone: +27 11 622 4770
Fax: +27 11 615 6108

Title: Advertising Manager
Name: Brenda Karathanasis
Email: brendak@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

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