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How to increase your output with minimal invest? M&L Engineering has the most economic concept!
Example case study:
Brewery with limitation in fermentation area plans to increase its output by introducing high gravity brewing. As no change is planned for the mashing/lautering process, the optimal solution to achieve 12 °P to final wort 24 °P is the implementation of an efficient evaporation process.
In the wort kettle the wort is mixed with hop products and heated up by external heat exchanger to maximum 100 °C. During heating up and heat holding no evaporation takes place. Thoroughly mixing is achieved by the pump circulation and agitator if available.
After temperature holding according to specification, the wort is transferred into two whirlpools. The whirlpool is executed redundandly in order to achieve constant flow to the following falling film evaporator. The evaporator is a single effect triple pass evaporator working under vacuum with an evaporation temperature
of 85 °C.
The complete energy for evaporation will be transferred by a mechanical vapour recompressor (MVR). This munit is highly efficiently increasing the pressure of the product vapour to a higher temperature level, allowing utilization of the condensation energy in the vapours for heating of the evaporation process. This is done by an electrical motor driven centrifugal fan. After regenerative cooling, aeration and yeast pitching the wort is ready for fermentation.
Thermal energy only
used for heating up of wort to heat holding temperature
for MVR down to 14 kWh per ton evaporated water
Generation of 1.5 hl brewater
(11 to 80 °C) and 1.185 hl condensate 85 °C per hl final wort, sufficient for mashing and lautering
with evaporator design – no limitation of brewhouse operation to high gravity brewing
Optimized DMS stripping
due to evaporation at 85 °C
Overall energy need 32,000 kJ/hl
final wort for above example
Since 1998 M&L-Engineering is creating added value for its customers, guided by our slogan “Our Engineering – Your Success”.
Moving on into the future, M&L became part of the corosys group in 2012. corosys produces and supplies complete process systems and high-quality sensors and process components for the brewing, beverage, chemical, pharmaceutical industry and biotechnology.
M&L is offering turn-key project realization, engineering (from basic to detail, including also automation and structural steelwork design), project management, consultation, reconstruction and service in the field of process-, thermal separation and evaporation technology.
We are focused on: coffee, milk and whey, fruit juice, beer, wine, malt extracts, starch derivates, yeast/meat/bone extract, gelatin, process and waste waters, cereal steep waters, fermentation/distilling slopes and solvent recovery.
We are employing the following technologies: evaporators (falling film, natural and forced circulation), flash cooler/evaporators, heat exchangers/condensers, thermal/mechanical vapor recompressors and refraction columns.
M&L will present processes for continuous wort boiling and evaporation, water recovery by using surplus heat from a combined heat and power plant and dealcoholisation by distillation and falling film evaporation. Additionally we offer waste brewery yeast concentration processes, including ethanol recovery.