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PWL GMBH & CO. ANLAGENTECHNIK KG Verified by Europages badge

PWL GMBH & CO. ANLAGENTECHNIK KG

Germany

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The principle of the Lamella Turbine The Lamella Turbine belongs to the family of the Understhot Water Wheels. This means that the water, accelerated by an elevation difference, is retarded by the Lamella Turbine. By this, kinetic energy is utilized. Substituting the shovels of conventional water wheels, individually shaped lamellas or bundles of lamellas are stably situated circumferential, so that the force of the individual water flow brought by the river can be highly efficiently processed and transformed into rotation. The applied bundles of lamellas are optimized for the particular water flow conditions. By this it can be obtained that the water can be held at the circumference of the turbine, where the “brake force” develops the maximum torque, which is transmitted to the generator. The “little difference” between conventional technologies and the Lamella Turbine The Lamella Turbine does not have closed chambers like conventional water wheels. Thus, the water inflow is...

Germany

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Application Standard grit trap contents have an organic proportion of 50 to 80 %. Conventional sand washers are able to dewater the grit trap settlings only partially. But, the high organic content and the lack of dry substance bring on unpleasant odour, high weight and, as a consequence, high costs for disposal. With the PWL Sand Washer the organics in the grit trap can be nearly completely washed out. This results into a reduction of mass of up to 80 % and might cause cost savings of up to 90 % when being disposed on a construction waste landfill. This procedure can be applied in industry, as well, to separate valuable materials from waste. Due to the separate discharge of the various fractions they can be further treated, recycled or disposed. Thus, valuable materials can be returned to the production process and waste material be disposed at low costs and correctly sorted. Function The PWL Sand Washer is fed with a sand-water-mixture. The settled sediment mixture is conveyed...

Germany

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Application An extensive reduction of the screenings volume by returning organic ingredients into the clarification process offers besides important cost saving with regard to screenings disposal advantages for the process stability of nitrification/ denitrification necessary in nearly all clarification plants. The company ABZ in Austria implemented decades of experience in the field of screenings treatment on the screenings washers. Many references attest the leading position of this technology by which the screenings weight can be reduced on average by 75 %. Special attention has been turned to the development of least possible wear and utmost operational safety. The Interval-Wash-Compactor can be operated with service water from the sand trap area. Peak loads of screenings due to storm water events are handled without problem, as well. Function The screenings are discharged directly or via a conveyor from the screen into the infeed hopper of the washer. After a pre-compaction...

Germany

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We offer a wide range of state to the art screening technology for mechanical cleaning suitable for municipal and industrial applications. Installation of Four Hig Flow Rake ScreensPWL ProCat L

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Brief Description The PWL ProCat chain driven rake screen UR can be equipped and used as a wedgewire or perforated plate screen. This rake screen combines the advantages of the rugged and durable continuous belt screen with the hydraulic capacity of a screen with one active screening area only – such as step screens or spiral sieves. The PWL ProCat Rake Screen UR having an inclined screen offers a maximum flow cross section. The vertical screenings removal from the channel is very space-saving and highly efficient although it works without use of service water. For constructional reasons it is impossible that the screenings are carried off downstream. Function The waste water flows through the wedgewire screen made of flow-enhanced stainless steel triangular profiles. The screenings are retained, directly picked up at the channel bottom by rugged scraper blades and transported to the discharge area where they are scraped off resp. discharged. Wedgewire: 1 to 60 mm Perforation: 3...

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Application The PWL Spiral Sieve HXS presents among the fine screens one of the most efficient solutions for small and medium waste water treatment plants and for some industrial branches. Functional Description In one screening system with one drive only the PWL Spiral Sieve HXS offers three functions. Besides sieving and separation of solids from waste and process water the screenings are conveyed and dewatered at the same time from the screening area for further direct discharge into a container or into a downstream conveyor unit, for example into a PWL Spiral Conveyor. Equipped with either a perforated screening surfaces or wedge wire sieve baskets and installed into tank or channel this Spiral Sieve offers a broad field of applications. The swivelling out mechanism and the transport area which is designed as a conveyor trough with removable covers of the PWL Spiral Sieve provide for easiest maintenance. Your Benefit sieving, transportation, dewatering in one system high...

Germany

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Application Dewatering and compacting of sieving residues play an important role in water, waste water and waste treatment not only regarding reduction of costs for disposal and handling. Frequently, residues and recyclable fractions are dewatered and further compacted within production inherent processes. Furthermore, dewatering systems have the additional effect to transport the material from the source of origin to the place of disposal. PWL screw presses and PWL spiral presses meet these challenges to all intents and purposes and allow for an optimal benefit at a small footprint. The way of dewatering and conveying as well as the characteristics of the medium determine to a great extend the choice of the suitable equipment. Compared to the shaftless spirals which reliably convey large and long-fibrous pieces and are robust towards clogging, screw presses achieve higher dewatering results with the same size. Function The material to be dewatered passes a hopper or an upstream...

Germany

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Application Sewer grit from sewerage units has a high organic load and, therefore, its disposal goes along with high costs. Here, a treatment and disposal in compliance with legal provisions is required. Therefore, it seems to be imperative to reduce or treat sewer grit and street rubble by washing so that this material can be recycled or disposed on a construction waste landfill. A reduction of screenings and a low-cost waste disposal can decrease the costs to a high degree. Many years of experience with the treatment of these materials guarantee for a supply of high quality standard units resp. custom-made units tailored to your specific application.

Germany

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Application The internal transport of residuals and recyclable fractions, e.g. sievings, screenings and material from grit chambers in waste water treatment plants, as well as various media within production processes, is effected for many years now by belt, spiral and screw conveyors. These systems have proven as very reliable and versatile. As a “connecting element” the PWL GmbH & Co. Anlagentechnik KG supplies the optimal suitable conveyor technology for your specific application. We recommend the encapsulated design of spiral conveyors for process and waste water technology. The spiral conveyors impress with their compact design, the robustness towards clogging and the option to be equipped as a spiral press for simultaneaous dewatering of the conveyed material.

Germany

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PWL static screens provide high operational reliability in the static liquid solid separation for municipal and industrial applications particularly for the separation of fibrous and non-greasy solids. The PWL static screen is very economical and easy to use. The operation of the static screen does without an electric drive or other moving parts. In industrial sewage treatment plants the PWL static screen is known for waste water treatment. Industrial users such as paper mills, food processors, tanneries, laundries, malt houses, breweries, zoos, recycling plants and many other branches rely on the PWL static screen for product recovery and waste water treatment. The curved screen surfaces are basically removable and can be pivoted depending on the width of the static screen. A specially shaped edge at the screen guides the drainage water of the statically dewatered screenings into the discharge trough of the static sieve. Optionally, the PWL static screen can be supplied with a...

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