Italy (EN)

Increased Productivity by 50% at Irish Distillers

Fifty percent more Whiskey.

Conveying product

Draff mash

Key specifications

Production time shortened from 55 to 22 minutes


Compact design
Mash tun emptying
time cut by 50%
Pumping draff over
80 m at 50 t/h
Quick and easy readjustment

Cost savings
Increased productivity by 50%
Significant reduction of processing times

Lower energy costs

Pump type

It is said that monks from the Emerald Isle invented Irish whiskey in the 6th century and it is now delighting the palates and throats of more connoisseurs around the world than ever. And global demand for Irish whiskey is growing steadily. 

In response to a growth in demand of 10-15 % per year, the largest manufacturer of premium Irish whiskey was seeking to improve productivity and capacity as much as possible without reducing the quality of the “liquid gold”. 

The distillery has been expanding their production facilities for its exquisite whiskey with assistance from SEEPEX progressive cavity pump technology.

Task and Target

The distillery had to increase the number of mashes from 30 to 45 per week. However, one of the biggest technical challenges and bottleneck the distillery faced was in the removal of large quantities of spent grain with 18-22% dry solids from the mashing process in less than 50% of the initial conveying time with a total distance of 80 meters horizontal and 30 meters vertical.

KEY FACTS

  • Pump range BT
  • Conveying of spent grain
  • Flow capacity: 50 t/h
  • Conveying distance: 80 meters horizontal and 30 meters vertical
  • Dry solids content: 18-22 %

Solution

After intense consultation with SEEPEX, their open hopper pumps with auger feed screw were selected to replace the expeller units due to their ability to handle the varying percentages of moisture content of spent grain from the lauter tun. This enabled the lauter tun to be emptied 60% faster with a reduction from 55 to 22 minutes and increase the number of mash productions by 50% from 30 to 45 per week, thus meeting the distillery's target. 

The industry regularly uses SEEPEX pumps for the removal of spent grain from small to large scale breweries and distilleries. 

The distillery’s General Manager says: “There is tremendous demand for our products. Our plant therefore runs non-stop – downtime is not acceptable. Thanks to SEEPEX, we have actually increased our productivity by an additional 50 %. Having already been good partners, we have now become long-term partners.” 

“One of the biggest features of progressive cavity pumps is their ability to handle a variety of products from highly viscous to non-flowable and varying dry solids content,“ says Peter McGarian, Managing Director of SEEPEX UK Ltd, explaining the benefits of progressive cavity pumps.

KEY SPECIFICATIONS

  • Selection of a SEEPEX BT range pump with an open hopper and auger feed screw for products with low flowability
  • The changing moisture content of spent grain does not affect pump performance
  • Use of energy-efficient pumping technology 

BENEFITS

  • Reduction in conveying time by 60 %
  • Increase in production (number of brews) by 50 %
  • Lower energy consumption from moving same product amount 60% faster

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