IMPULS filters
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PULSE JET-FILTER SYSTEM HIGH AVAILABILITY

Efficient filtration requires know-how and experience The fundamental task of a filtration plant is to the operating method, and the filter design. clean a defined crude gas to the point that the For this reason, the optimal filter design and specified limits for dust and contaminants can consequently the associated overall size of the be complied with reliably and safely. However, filter, which is significantly responsible for the this requirement is extremely complex because cost structure of the plant, cannot be calculated of a variety of influencing factors such as the exactly, but...

The right design is decisive One of the foundations for cost optimisation is strive to maximize the air-to-cloth ratio and mi- an efficient filter that exhibits the most homo­ nimize pressure loss. Relying on our IMPULS genous gas and particle distribution possib- filter program and their own expertise, our spe- le and that has an efficient cleaning system. cialists are able to offer you the ideal solution Another factor that fundamentally determines for every requirement. Then high degree of pre- the overall cost structure is the optimum ratio assembly in the transport-ready modules and...

Optimal distribution of the gas and particle streams Economical operation with homogenous dust discharge is only ensured by the uniform impact of gas on the filter bags and optimal utilisat­ion of the entire filter surface. Velocity streams and the creation of particle streams should be avoided, as these can cause physical damage to the filter bags and casing after a certain period of time. The optimum distribution of the crude gas in the filter depends primarily on the inflow of gas to the filter itself. In addition to such parameters as entry velocity, dust load and dust characteristics,...

The patented IMPULS cleaning system With the development of the IMPULS cleaning its way to the injector. Both streams of gas system, a decisive step was taken with respect are mixed by pulse exchange in the injector to reducing operating costs and increasing and simultaneously undergo a significant incre- operating safety. Because of specially shaped ase in pressure. This guarantees high cleaning double nozzles on the jet pipe, the pulsed air efficiency over the entire length of the filter bag jet pulls along an envelope of clean gas from as well as a reduction in the frequency with the...

The right filter medium Because of its impact on filtration performance, pressure loss and — especially in the case of hot gas filtration — the anticipated service life, the proper selection of the filter medium has a decisive impact on operating costs. For this reason, we have for many years analysed and compared different grades of filter bags, both at our own Technikum test facility and on location with customers. With our test facilities, in which we can simultaneously test filter bags of different grades, we can determine the long-term effects of Average differential pressure over the...

The intelligent control system A cleaning system can only be as effective as its an example, we were able to apply in 2004 for control system. For this reason, we began with a patent on a new, fully automatic program to the development of the IMPLUS filter program to optimise cleaning pressure and to optimise the simultaneously develop, cleaning intervals. build, and continu­ously adapt our own control This ledge extensive base, of energy costs, safety integration with central are able to move more quickly to develop tar- control systems or a customer’s own visuali- geted innovations - both...

Individual designs The application spectrum for IMPULS filters most diverse applications, the entire filter pro- ranges from dedusting in the wood processing, gram is designed as a modular system consist­ wood based panel, ing of five model lines. Lar- ge-scale filtration plants are generated using parametric variant modelling. The para- meterisation of design types increases flexibility with re- sign, metal thickness, etc. contaminants (sorp- tion process) when cleaning flue gases alised without additional ex- pense, something that could bustion processes. be previously done only by In...

Operating principles and characteristics Penthouse with freight elevator (optional) Insulation to prevent dewpoint undershooting (hot gas version) Patented IMPULS cleaning system Dust particles are retained on the surface of the filter medium. The cleaned air passes through the filter medium and flows into the clean gas chamber or clean gas duct. Dust collection container with material discharge screw (optionally with heat tracing) Sliding bearings to compensate for linear expansion as the result of different temperature levels Deflector plate for pre-separation and for optimal gas...

Operating safety and service pay off One of the most important demands made by against explosion. Using the know-how of our filter operators is for high availability of the fil- experts with respect to filtration and process tration plant, especially in the case of process technology, as well as fire, explosion and noise filters. Scheuch offers an extensive selection protection, we are able to develop concepts of innovative safety packages, both for the for maximum operating safety. monitoring of filter function and for protection Functional monitoring In addition to the monitoring of...

Thousands of filtration plants are in operation worldwide Cartridge filter for sand blasting unit Circular filter in the wood processing industry Row filter in the wood based panel industry Pressure surge resistant filter for dedusting a coal grinding mill Row filter in the foundry industry Chamber filter for cleaning flue gas Chamber filter in the cement industry Chamber filter in the steel industry

Special implementations based on the IMPULS filter EMC The patented EnergyMinimizing-Concept guarantees lowest operating costs for applications with high dust loading and fine types of dust. LIGNO For the wood processing industry, the LIGNO filter offers reliable residual dust levels below 0.1 mg/m³ – awarded the H3 and GS certification marks. Flue gas cleaning The highest separation rates and lowest exhaust gas emissions are achiev­ ed even in the most demanding applications, such as the thermal utilisation of scrap wood and trash. IMPULS-COMPACT This filter model is preassembled, equipped...