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Metering of flavoring agents by LEWA metering systems in the process of brewing alcohol-free beers

Securing a consistent taste and quality is of highest importance to producers of beverages.

However, this is particularly challenging to achieve in food technological processes which require as much accuracy as beer brewing. This is because ingredients like flavoring agents have to be added at exactly the right time and in the right proportion.

LEWA ecodos pumps of the sanitary/hygienic series meet the demands of this hygienic process because of their high reliability and metering precision.

Solution

LEWA’s solution for the challenging task of injecting flavoring agents in beer production:

  • A LEWA ecodos metering pump is used for the injection of flavoring agents
  • Aromatics are stored in a reservoir equipped with an agitator, a cleaning ball, and two level switches
  • A filter at the suction side of the pump prevents clogging of pump valves
  • The flow rate of the pump is adjusted continuously with an electromagnetic flow meter and control loop to keep the proportion with the beer flow rate
  • Fully PLC-controlled. However, the system also works “manually”. In this case the flow rate is adjusted by a potentiometer
  • At the discharge side a contactor protects the pump from overpressure
  • All materials that are in contact with the product have a roughness of less than Ra < 0.8μm (SS 316 L)
Injection of flavoring agents

Background

There are three general types of flavorings used in the food and beverage industry:

Type Description
Natural flavoring agents Flavoring agents obtained from plant or animal raw materials by microbiological or enzymatic processes. They can be either used in their natural state or processed for human consumption, but must not contain any nature-identical or artificial substances.
Nature-identical flavoring agents Flavoring agents obtained from synthesis or isolation in chemical processes. These substances are chemically and organoleptically identical to flavorings naturally present in products intended for human consumption. They cannot contain any artificial flavoring substances.
Synthetic flavoring agents Flavorings not present in natural products intended for human consumption, whether processed or not. These are typically produced by fractional distillation and additional chemical manipulation of naturally sourced chemicals. Although they are chemically different, the sensory characteristics are the same as natural flavors.

Industries

Metering of sensible fluids in the food and beverage industry with LEWA pumps and systems
Food an beverages industry

Pumps and Systems for the Food and Beverage Industry

LEWA supports producers and plant construction companies in the food and beverage industries with pumps and systems for homogenization and dispersion, as well as for other processing operations in the food industry. We work with you to plan all the important process-related operations, such as conveying, metering, mixing, heating, and cooling so that you can process your raw product cost-effectively.

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LEWA solutions are found also in other industries, for example in the Varnish- and Lacquer industry
LEWA solutions are found also in other industries

Pumps and Metering Systems for Other Industries

LEWA offers customized solutions and references for almost all industries in which processes require exact metering or the reliable conveyance of fluids. As specialists in fluid handling, we of course also have experience in areas outside of our key markets.

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Products

LEWA ecodos sanitary/hygienic diaphragm metering pump

LEWA ecodos® sanitary/hygienic diaphragm metering pump

A sanitary/hygienic version is also available for the LEWA ecodos. Here, we meet all requirements for operation in pharmaceutical and food production.

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LEWA production units

Customer-Specific Metering, Mixing or Filling Systems from LEWA

Customer-specific batch/continuous systems for your production process. Metering, mixing, filling, separating, controlling temperature: We work with you to develop the ideal process-related sequence and produce the system that fits your production process – right up to the end product.

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LEWA customer specific metering systems

Customer-Specific Metering Systems from LEWA

Turnkey metering system in closed loop control with monitoring and plausibility testing equipment. Your individually configured metering system with an optimally designed pump for fluid metering in automated processes.

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