- Home
- Companies
- Taprogge Gesellschaft GmbH
- Products
- Taprogge - Model PR-BW 800 - ...
Taprogge - Model PR-BW 800 -High-Performance Cooling Water Debris Filter
Optimised to deliver the highest levels of performance, safety and convenience. The PR-BW 800 is a high-performance backwash filter designed to filter cooling water in power stations and large industrial water systems. It is suitable for volumetric flows of up to 100,000 m³/h and it also safely removes the highest concentrations of macrofouling from cooling water with its exceptional debris discharge capacities. It also effectively protects turbine condensers, heat exchangers and other consumers that are connected downstream from troublesome macrofouling issues.
- Volume flow: approx. 2,000 - 100,000 m³/h
- Nominal connection widths: DN 800 – DN 3,400
- Filtration grade: 5 mm (standard) – 13 mm; other sizes available on request
- Filter element: Perforated filter or a stainless steel grid; plastic Cling-Free© elements; hybrid elements
- Housing material: Steel, rubberlined
- Temperature: max. 80°C
- Quantity of dischargeable fouling: 2.6 ltr./m³ cooling water (depending on the type of fouling)
- Controller: Programmable logic controller
- Options: Bypass valve; FilterOptimizer; Remote Monitoring Service
- Special versions: upon request
This TAPROGGE filter concept was developed in response to requests from operators for process engineering specifications to be individually customised and enhanced. Safe, convenient and delivers maximum performance.
The unusually high debris discharge capacities (up to 2.6 ltr.of fouling per m³ of cooling water) ensures that even the highest concentrations of fouling that suddenly arise can be reliably removed from the cooling water. In many places, installing a PR-BW 800 filter removes the need to continue operating or planning the use of a travelling band screen or drum screen upstream.
A highly efficient residue-free filter backwashing process is guaranteed by aligning the system according to the concentration and type of fouling.
This unique level of flexibility is made possible by combining the pressure-relieved multi-chamber system, the variable rotor speed and the choice of filter surfaces which are adjusted to suit the various types of fouling. It is easy to exchange each filter segment without dismantling the filter. Deep chambers also prevent the backwash rotor from becoming jammed by large particles of debris.
The rotor automatically changes direction if there are obstructions in one of the filter chambers which ensures the system can operate smoothly.
A low volume of backwash water, lower pressure losses and less drive power keep operating costs low. Various customised installation options are available which provides maximum flexibility when planning the system. It is possible to install the system on existing pipework with the complete housing casing in the steel ring between the existing flanges or on a mounting ring.
The filter is set up ready for the FilterOptimizer to be installed; this is an intelligent tool which optimises the backwash point. An integrated bypass solution is available for special safety and operational availability requirements.
Sufficient space for installation is scarce at many places, especially with retrofits. This aspect was thus given special attention in filter design. The PR-BW 100 can be installed in any position, that means horizontally, vertically, and under any angle, adapted to the relevant piping. This is reached by twisting the two semispherical housing halves on the level of the housing parting against each other, so that the nozzle positions can be adapted to the desired pipe routing - be it as in-line version, or as elbow type instead of a pipe bend, or in any other position.
The PR-BW 100 Debris Filter is normally installed directly upstream of an object to be protected, for example a heat exchanger or an additional stage of filtration. The backwash process necessitates a pressure drop in the discharge pipe. If the pressure drop is generated by the object to be protected itself, the flow can be re-injected downstream of the object. The backwash water can also be discharged atmospherically by making use of the static overpressure downstream of the filter, or also in a pipe via a booster pump.
Operational Safety
- Well-proven filter with excellent operational experience in industrial applications and power stations
- Safe filtration result by fixed filter section, without gaps between influx and downstream sides of the filter section
- Extremely reliable filter flushing by “pressure-relieved backwash” (PR-BW)
- Special executions for extremely difficult types of debris
- Experience with executions for ex-proof and nuclear systems
- Option: Monitoring of filter operation by Remote Monitoring Service
Economy
- Long-term availability of the operator’s plant through uninterrupted filter operation without manual interference
- Low-cost installation of the filter through 100% installation flexibility: as in-line version, in 90° elbow version instead of pipe bend, or at any other angle directly in the existing pipe.
- Low space requirement through spherical design
- Optimization of operational cost by favourable design:
- Short backwash times, thus minimized flushing losses
- Low pressure loss by deflection-free flux towards the filter section, and excellent ratio filter surface/inlet diameter due to spherical shape
- Low electrical power consumption
- Low maintenance costs due to filter design incorporating minimum wear and tear
- In the case of inspection, access to all internal parts without dismantling of filter
- Optional: optimization of operational cost by the TAPROGGE FilterOptimizer