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MIXING, WEIGHING & CONVEYING


MIXING TO THE MAX


An externally-mounted Landia mixing system is playing a crucial role at a Yorkshire Water site that treats its sludge using anaerobic digestion methods carbon by 2030.”


t Yorkshire Water’s new £50M Huddersfield Energy and Recycling Facility (E&RF), the digester mixing system from Landia is ensuring that total gas production can reach its anticipated 22,192Nm3


A /d (normal cubic meter/day).


Designed, constructed and commissioned by J. Murphy & Sons Ltd (JMS), the Huddersfield E&RF is an integral part of Yorkshire Water’s long-term bio-resources upper quartile efficiency strategy.


Externally mounted on each of the two


concrete digesters, that contain thickened sewage sludge of up to 8 percent dry solids (DS), the Landia mixing system makes future servicing easy because there are no moving parts inside the tanks. Benefitting from the Landia chopper pump, which together with venturi nozzles ensures that the digesters are comprehensively mixed to maximise gas production, the mixing system is low on energy consumption and also reduces health and safety issues such as working from height.


7,306m3


A spokesperson for Yorkshire Water commented: “This impressive new facility will play a big part in helping us achieve net zero


John Smith, project director for J. Murphy & Sons, added: “Huddersfield E&RF shows the quality of the process engineering expertise that we can deliver for complex water and wastewater design and construction. We understand that a good


digester mixing system is


very important to the success of an AD plant, so are pleased to see that our decision to choose Landia is paying benefits.” Created as a regional sludge treatment facility to receive indigenous and imported sludge in both liquid and cake forms, Huddersfield E&RF has enabled Yorkshire Water to treat all of its sludge by anaerobic digestion. The sludge load to the digesters is 24,000tDS/annum (total dry solids) or 65.753tDS of sludge per day, including up to a maximum of 11.880tDS per day of imported liquid sludge and 25.831tDS per day sludge cake respectively.


Two CHP engines produce peak electrical output of 2390 kWh and a thermal output of 2404 kWh.


Landia www.landia.co.uk


X-RAY INSPECTION ENSURES FRESH FOOD IS AS NATURE INTENDED


Natures Way Foods manufactures fresh convenient food for major UK supermarkets and food services companies. Its customers include Tesco, Sainsbury’s, Morrisons, Aldi and Greencore Group. After one of their customers requested x-ray inspection on a new product being brought into market, Natures Way Food approached Yamato to provide a solution to meet the requirements. Two of Yamato’s YX20 x-ray systems have now been installed into the Selsey-based facility, enabling the detection of a wide range of contamination across the product range, including metal, ceramics and glass.


Yamato started the process of introducing the x-ray inspection by holding a consultation with Natures Way to understand the requirements that need to be met. From here, sample packaging was provided by Natures Way with which Yamato conducted tests to ensure that the correct equipment was supplied to ensure contaminants would be correctly detected. Yamato also provided training for the Natures Way team, including guiding them through IRR17 rules for working with x-ray, to ensure the system was used safely and accurately.


Keith Ellis, engineering manager at Natures Way Foods, said: “Yamato was already a trusted supplier for us, so when we needed to bring x-ray inspection in the facility, they were our first port of call. We were pleased with their ability to test the product ahead of installing the system into our production line and to meet the lead times we required. They have also helped us to understand how to use x-ray effectively in our production, through their guidance and training.”


Nick McLaren, Yamato’s product manager for inspection equipment and regional sales in the South of England, said: “Following our previous work with Natures Way to expand their salad processing facilities and installation of our checkweigher and metal detector combis, we were more than happy to work with them once again to introduce our x-ray systems. We know the company has exceptionally high standards when creating food products and x-ray is a perfect match to maintain these standards and ensure quality. “Our YX20 systems allow for real-time analysis of output, enabling plants to quickly identify and address issues, including contamination. We also work with every business we supply with the YX20 to ensure they have the appropriate safety measures in place, including staff training and the appointment of a Radiation Protection Supervisor to comply with IRR17 rules. “We truly believe x-ray offers the highest level of quality control for manufacturers and are delighted to see more companies embracing it.”


Yamato Scale Dataweigh (UK) 20 FEBRUARY 2022 | PROCESS & CONTROL www.yamatoscale.co.uk


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