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Case study: success with WANGEN BIO-MIX pumps

WANGEN
WANGEN's experienced team can offer you all information and details about the product range of WANGEN biogas and AD pumps. C WANGEN
German company WANGEN PUMPEN is a global leader in the development and construction of progressive cavity pumps.
Since 1969, over 50,000 robust WANGEN pumps have been supplied to the anaerobic digestion and agricultural industry worldwide.
Many leading AD plants in Ireland and Northern Ireland are successfully using WANGEN ́s innovative pumping technology.
For example, Northern Ireland Anaerobic Digesters have been driving the economy towards sustainability and net zero emissions for over a decade.
Typically constructed between 2010 and 2016, and producing electricity using a 500kW CHP engine, there are almost 90 farms enjoying the benefits of clean, green energy along with production of mineral-free fertiliser through the digestate produced, which is spread on land.
However, as these plants age and wear, how can you be sure they are working as efficiently as possible to maintain performance, maximise output, reduce maintenance and downtime? Turn to the experts in the field...
About LSR Support
Established in 2018, LSR Support directors Stevie Loughlin and Alan Sloan saw an opportunity to support AD sites with their knowledge and practical experience, built from years designing, commissioning and working on AD schemes in Ireland, Northern Ireland and the UK.
LSR have perfected AD applications. They understand successful applications require reliable pumps with controls, PLC integration, supported by on-site Planned Preventative Maintenance contracts. Modular integration means you don’t need to buy a whole new plant, instead it allows for maximum lifespan of legacy assets by identifying areas of your plant that require rebuild, repair, replacement or that can be upgraded and optimised so that you can enjoy less outlay, longer asset life and maximum site uptime and maximum yield.
LSR not only supply plant, pumps and controls; they integrate these elements into optimised effi cient systems; and support operators in husbandry and service of their sites
DPS & LSR: a powerful combination
DPS is the distributor of WANGEN pumping technology and WANGEN X-UNIT products for Ireland and Northern Ireland. The company DPS has been a supply partner to many other companies for 30 years. The supply agreements with WANGEN Pumps allows DPS to offer premium-level pumping technology with full factory backup. The pricing structure allows DPS to offer a full supply, installation and service solution for complete project delivery at no commercial disadvantage to you, the customer, for total confidence and seamless support.
What is WANGEN BIO-MIX?
The WANGEN BIO-MIX is a feed pump which takes dry feedstocks, eg. silage/maize/chicken manure, from walking floors or diet feed. The dry substrate is mixed in the BIO-MIX hopper by an auger with digestate or slurry before being pumped into the digester.
Increase in biogas yield
James Blair recently re-appraised the feed application for his anaerobic digester at Kilmoyle, successfully replacing his old pumps with the innovative WANGEN BIO-MIX. He now has 10% MORE electrical output from his CHP engine than previously, which James attributes to the WANGEN BIO-MIX substrate feed system.
Seamlessly connecting with a diet feeder, the BIO-MIX’s hopper contains an auger, which overfeeds a progressive cavity pump. Overfeeding allows stones to be transported to the back of the hopper for removal, thus reducing maintenance in the digester which allow the biology of the digester run at optimum rate and allows him to attend to other jobs on the farm! The auger pre-wets the dry matter with return digestate; in turn allowing bacterial breakdown to begin immediately as well as creating conditions perfect for neutral buoyancy within the digester, rather than dry silage floating to the top of the tank to create a crust.
Has WANGEN BIO-MIX accounted for 10% more electricity on its own?
Whilst it is true that the WANGEN BIO-MIX has fewer parts to be serviced and is a robust pumping tool which has allowed for far less downtime, James Blair is also more confident that the Biomix will run without fault, blockages or bridging 24/7.
And that means he can run the WANGEN BIO-MIX overnight, which allows the biology of the digester to run at optimum rate, which allows him to attend to other jobs on the farm.
But that’s not all, John McLenaghan at Just Farm Energy reports similar success with the BIO-MIX system he installed last year. Maximising production has allowed him to realise an increase of 5% methane, allowing his CHP to run more efficiently for greater electricity generation. And that means he can run the WANGEN BIO-MIX overnight, which allows the biology of the digester to run at optimum rate which allows him to attend to other jobs on the farm - allowing his CHP to run more efficiently for greater electricity generation.
WANGEN's experienced team can offer you all information and details about the product range of WANGEN biogas and AD pumps. C WANGEN






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