ii UK Focus How Much Time Do You Waste Replacing Baghouse Filters?


For large industrial plants to operate within their environmental permit, they must adhere to strict particulate emission controls. The most-effective means of fi ltration are multi- compartment baghouses which effi ciently capture volumes of particulates, to ensure emissions limit values (ELVs) are not exceeded.


The Problem with Filter Failure


The condition of the process means that hot dust and particulates travel through the baghouse at speed. This will cause bag fi lters to deteriorate and eventually burst.


Once fi lters begin to fail and the baghouse loses its effectiveness, if dust escapes the baghouse fi lter, it may lead to an environmental permit breach.


Broken Bag Filters: A Cost-Effective Solution To indicate broken bags in its most-simplest form, the continuous monitoring of fabric fi lter baghouses can be done by tracking signifi cant increases in particulate loadings.


The Dusty C broken bag detector is installed on the clean side of the fi lter and measures the particulate levels immediately after the outlet. The increase in particle fl ow past or impacting the measuring probe, indicates that there’s a leak in the bag fi lter.


A 4-20mA output sends a signal to the plant room once a certain threshold value is reached to alert process or maintenance managers that there’s a bag leak.


Predict Failure Before It Happens These large multi-compartment baghouse fi lters require regular maintenance for optimum performance. For maintenance teams set to task of fi nding potential leaks, it can be a complicated, expensive, and time-consuming task.


Sites have two options – They replace bag fi lters as they fail. However, a delay in maintenance to perform bag fi lter replacement causes further strain or damage on surrounding bags which is not only an expensive exercise but could also cause an environmental permit breach.


The second option can be a proactive approach – To address the issues head on, is to understand where in the fi lter, damage is happening before emission limits are exceeded.


The LEAK LOCATE 320 provides a rugged and reliable solution to fi lter performance monitoring.


It monitors up to 32 fi lter compartments per controller, allowing each chamber of a large multi-chamber baghouse to be continually monitored for deterioration.


These predictive failure monitors encourage preventive maintenance procedures which reduce unplanned fi lter outages and maintenance times. In addition, maintenance teams can pinpoint failures to limit the number of fi lters that need replacing, saving time.


This solution provides plant maintenance teams with early warning alarms of compartments beginning to release higher levels of dust and enabling the identifi cation of fi lter degradation down to row level.


Knowing where the leaks are developing enables process stoppages to be scheduled and saves time and resources by highlighting where the leaks develop, and which bags need to be changed. By detecting leaks early helps prevent emissions limit values from being breached.


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Recycle2Trade, a digital consultancy agency supporting sustainability and waste management sectors, has signed up to the national SPRINT (SPace Research and Innovation Network for Technology) business support programme. The SPRINT project will provide Recycle2Trade with funded access to expertise from the University of Leicester to enhance the screening and monitoring of environmental sites for new developments.


Recycle2Trade is working on the development of a new service aimed at addressing challenges around the lack of reliable, frequent and up-to-date info on environmental sites such as Brownfi eld sites and infi lled land areas. This new data intelligence platform will provide a better understanding and management of environmental risk related to Infi lled Areas and Brownfi eld Sites via screening and monitoring the impacts linked to gaseous and liquid emissions.


This SPRINT funding will support a collaboration with a team from the University of Leicester’s Department of Physics and Astronomy, affi liated with the NERC National Centre for Earth Observation. The project will focus on analysing downscale land surface temperature data to monitor small areas such as Brownfi eld sites. It will use space sourced data to support high-frequency, high-resolution land surface temperature mapping through the integration of Sentinel-3, Landsat-7 and Landsat-8 data.


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This project with the University of Leicester will be funded by the £7.5 million SPRINT programme. SPRINT provides unprecedented access to university space expertise and facilities. SPRINT helps businesses through the commercial exploitation of space data and technologies.


Yuri Ponzani, Managing Director of Recycle2Trade said: “Our strategy is the development of integrated solutions for the management of Brownfi eld sites and infi lled land areas. Satellite sourced data plays an essential role in completing the suite of monitoring and assessment tools, as it provides local and landscape scale assessment of land conditions and emissions, from potentially and known contaminated sites. While convinced of the increasing role of Earth Observation datasets in any land management activity, as allowed by the increasing availability of space assets and of cloud computing platforms designed for those assets, we also record substantial demand for space sourced data by our clients.


“In the short term, the SPRINT programme is an excellent means to support the development of the integrated Brownfi eld sites and infi lled land areas monitoring solution, as it allows access to space capabilities at the University of Leicester.”


Dr Darren Ghent, NCEO Leader and Research Fellow for Land Surface Temperature at the University of Leicester added: “Satellite observations of land surface temperatures are increasingly recognised as being able to provide unique and detailed knowledge to better facilitate the understanding of man-made change. It is great to see the application of our high quality data by innovative companies to support land management solutions.”


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IET ANNUAL BUYERS’ GUIDE 2022/23


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New service for monitoring of environmental risks on brownfi eld sites


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