Non Sanitary Progressive Cavity Pump ( Wastewater)
Good reasons for choosing NETZSCH Progressing Cavity Pumps
Each individual pump is precisely tuned to the requirements of the application to deliver optimum performance, service life, and reliability. Our pumps are available with conveying elements in four different rotor/stator geometries so that the right solution can always be found for your application. Another benefit from our continued investment in product development is a range of joints selected to suit each and every application no matter how demanding. Lastly, we supply a comprehensive range of options and accessories, as well as expert service.
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*High suction capacity - up to 28 ft /
*Direction of rotation and flow can be reversed
*Can be installed in any position
*Quiet, low-noise running
*Temperatures from :-4 °F to 390 °F / - 20 °C to + 200 °C
*Shear sensitive ∙ Solids handling ∙ Abrasion resistance
Large capacity and pressure range: Capacities up to 4,400 gpm ∙
Pressures: 90 psi to 680 psi / (standard) or up to 4,350 psi (high pressure).
Rotating positive-displacement pumps have been used for decades in wastewater and sludge treatment as handling systems for all types of substances.
Along with sand additives, wastewater being treated often contains coarse floating pollutants, decomposing matter, sludge-generating particulate materials, dissolved organic matter, and bacteria. None of these substances present any problem for NETZSCH Pumps: This Progressing Cavity Pumps provide you with the optimal technical solution for your application.
TYPICAL APPLICATIONS IN THE WASTEWATER MARKET
Polymers / Flocculant Agent
The flocculating agent is fed to the sludge before draining. It promotes the formation of larger solid flakes in the sludge and, in this manner, contributes to improved dewatering. Normally, a flocculating agent is metered as a polymer solution or dispersion. Its viscosity and the requirement to be able to accurately meter the quantity place requirements on pumps that the NEMO® progressing cavity pump can easily provide
Water Treatment Chemicals
Lime milk is an inorganic suspension of lime hydrate and water. It can also be directly produced by quenching caustic lime with a surplus of water. Lime milk is used as an aid to filtration during the de-watering of sludge using filter presses. The structure and constitution of the calcium carbonate is dependent on the origin of the production process. It is a very abrasive medium. To attain high service life, NEMO® progressing cavity pumps are equipped with rotors and stators of high-quality material. Here, the non-wear NEMO® CERATEC® ceramic rotor, in combination with an extremely abrasion-resistant elastomer stator is ideal. (see page 9) For sodium hypochlorite and FeCl3, the PERIPRO™ is a perfect choice.
Biogas/Biomass Feeding and Digestion
Most large municipal plants will harvest their digested gas and convert it into biogas. Whether they burn it on-site for steam, and power or even pump it back into the natural gas pipeline. Municipal waste, as well as a wide range of raw organic materials, can be added to increase the output of gas; sources include waste from the food industry, meat processing, supermarkets, hotels, etc. NETZSCH has grinders, cutting pumps, mixing pumps, and transfer-progressing cavity pumps that are perfect for all areas of these processes.
The NEMO® FSIP® (Full Service-in place) design:
The FSIP® design enables particularly service-friendly maintenance without disassembling the pump from the pipeline. With easier access to all rotating parts through cartridge joints and mechanical seals, maintenance is reduced. The downtimes and the associated costs are reduced. In addition, the required installation space is reduced since the stator is removed laterally. The FSIP® design is offered in modification sets. You can also upgrade existing pumps at lower costs.