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November Mono, EZstrip, TR Muncher,

NOV Mono har hjulpet med at løse et igangværende vedligeholdelsesproblem for et stort tysk spildevandsanlæg med installation af en EZstrip ™ TR Muncher. Mono Muncher® har reduceret antallet af rørledningsspærringer, der forekommer i Käranlage Jagersfreude-fabrikken - det største anlæg af sin art i Saarbrücken-området - hvilket har bidraget til at minimere både nedetid og vedligeholdelsesomkostninger.

The customer’s previous macerator had been experiencing increasingly frequent blockages – often one each day XCHARX due to the 8-12% dried solids and fibre content of the raw sludge it was handling. The process of repeated de-ragging was both time consuming and expensive, so an alternative solution was sought.

The Mono EZstrip™ TR Muncher was designed specifically to provide efficient maceration of abrasive sludges in this type of application. The Muncher’s layback cutter shafts are set at an angle to the incoming sludge flow, making it extremely effective in capturing and macerating solids held in the flow. For the Käranlage Jagersfreude plant this helped to increase protection for pumps and other equipment further along the process line by minimising wear and so reducing the needs for spares to be held. If a rejection cycle is necessary, the Muncher can drop the object into the built-in trap which is set below the cutter stacks to prevent damage occurring. The waste trap features a large-diameter access port which allows for easy removal of debris, cleaning and flushing.

The complete drive, gearbox and cutter assembly can be removed from the Muncher’s casing, without disturbing the pipework “This makes any maintenance activities much quicker to complete and it also reduces the downtime and the associated costs,” explains Jagersfreude plant Abwassermeister, Ewald Stresser. “The Mono Muncher handles around30m3/h of raw sludge and has worked very efficiently since it was installed, but it is reassuring to know that if a blockage does occur we can remove it far more quickly and easily than we could previously.”

The ETOS cutters in the Mono EZstrip™ TR Muncher provide effective maceration, as the cutter shafts operate at differential speeds to exert a tearing action on the solids. A cantilever shaft design eliminates the need for bottom bearings and seals which significantly reduces wearing components, while low cutter tip speeds reduce wear. A low power consumption rating further cuts the TR Muncher’s operating costs.

Hver Muncher leveres med en programmerbar logisk controller til at beskytte mod overbelastning skader, og de kan leveres i overensstemmelse med ATEX-direktivet 94 / 9 / EF.

For yderligere informationer besøg www.mono-pumps.com eller ring + 44 (0) 161 339 9000.

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