Moisture and high temperatures can join hand in hand to further degrade your bags. Is the product sensor plugged? The air volume being handled by the fan, dont guess. Some of the lessons contained in GE's new troubleshooting guide include: * How point venting for air conveyors and conveyor belts can help cement plants and others in the rock dust industry meet National Emission Standards for Hazardous Air Pollutants (NESHAP) regulations that will require plants to reduce emissions at the point they are generated. If dust contains crystalline particles, it is important to avoid over cleaning. Otherwise, dust on uncleaned bags can harden and create severe pressure drops upon restart. Staclean Is Your Single Source Supplier for All Your Baghouse Needs. equipment. This material offered superior cake release characteristics to the fabric being used and should alleviate the problems of clogging and fabric blinding, thus offering significant payback in baghouse availability, reduced maintenance, reduced baghouse pressure drop, and increased bag life. possible leaks in hopper. check sub assembly for trash; clean with WD 40, b. Check your inbox or spam folder to confirm your subscription. The guide is available for download at www.ge-energy.com/baghousetroubleshooting. Offering a suite of products to help unlock the full potential of additive manufacturing. Shaker mechanisms to insure they are working. / Quote Request / Trouble Shooting / History / Silo Bin Vents / Trace-It
On reverse air systems check to insure that the heater or dehumidifier on the cleaning air is working properly. Failure to clean tubesheet, bags are sandblasted, 2. ClientSpecialty Rock Products ManufacturerDescriptionETS, Inc. was retained to evaluate two separate dust collection systems at the client's facility in West Virginia. Explore a career with us. Powder inside the bag indicates a hole. pulse, -protect sensing point from dust or water build-up, -incorporate auto-purging system in sensing lines, -if lines are copper, air purge them yearly to release trapped moisture, 3. This troubleshooting guide will show you how. As a result of this program the client has significantly increase cartridge life thus reducing replacement costs, has a cleaner atmosphere in the process operation area, and is more vigilant in his approach to inspecting and maintaining his system to insure proper operation. Contact our filtration experts to discuss your specific application. check inside valve body for pitting and trash, 1. A high differential pressure across the baghouse, for example, will not only reduce airflow through the system and slow production, it also can affect the retention time of the particulate in the heated gas stream. ETS developed several system design options, all of which included revised hooding and ductwork specifications along with all pertinent velocity/volume and static pressure calculations. At GE, we are committed to building a more diverse workforce and a more inclusive workplace. concentration)or very fine spherical particles, 1. system properly causing moist conditions, 2. Fluctuation in temperature can cause condensation and moisture problems if allowed to drop below the dew point and must be closely watched. Howard MastoMasto Public Relations[emailprotected] 1-518-786-6488, Gina DeRossiSoteryx Corporation[emailprotected] +1 518 886 1076, GE newsMasto Public Relations[emailprotected], Daniela CoelhoGE[emailprotected] +-1-816-313-4382, www.ge-energy.com/baghousetroubleshooting, One-of-a-Kind Guide Shows Cement, Rock Dust, Power Generation and Process Industries How to Maximize Plant Efficiency, Achieve Emissions Goals, More than 50 Pages of Solutions Drawn from GE's 40 Years of Experience Solving Baghouse Filtration Problems. High Pressure DropIf you are experiencing a high pressure drop, investigate the following: EmissionsBaghouse problems dealing with emissions could be mechanical or process in nature. In addition ETS was requested to provide preliminary designs and specifications of any recommended system hardware upgrades including belt pickups, dust capture hoods, transfer ducts, main ductwork, baghouses, and fans. Included in this inspection were gas flow measurements at several points along the duct system. Usually the maximum operating temperature should not exceed 20% of the rated maximum operating temperature for more than 10 minutes per day. As a result of the success of this project, ETS was commissioned to address the second problem site, as well as provide bag/cage drawings and fabric specifications for all three locations. In addition ETS was requested to provide preliminary designs and specifications of any recommended system hardware upgrades including belt pickups, dust capture hoods, transfer ducts, main ductwork, baghouses, and fans. Some of the ductwork downstream of the leaks was plugged due to the low dust transport velocities. High Differential Pressure and/or Short Bag Life, 5. Accomplished leaders building GEs legacy. In addition the client expressed concerns over the inability to operate the systems on a consistent basis due to plugging of the filter elements. Your email address will not be published. In-House Pressure Filtration Laboratory Services, Vacuum Filtration Field Maintenance & Repair Services, In-House Vacuum Filtration Laboratory Services, Process Auditing, Consulting, and Vacuum Equipment Optimization, Custom-Engineered Solutions and Baghouse Retrofits, In-House Laboratory Testing Dry Filtration, Leak Detection Powder & Inspection Lights, Pressure vs. Because the bag life problem was so severe at this facility, it was decided this is where ETS should focus on initially (problem site #1). These may be fine for standard environments, but problems will often arise when they are applied to the challenging environment of a hot and moist spray dryer. Micronics Is Your Trusted Partner for Total Engineered Filtration Solutions. ETS concluded that the granulated sugar being transported in the ducts posed an unusual problem in that it was a heavy, moist material requiring higher transport velocities than what is typically required for industrial applications. Required fields are marked *.
Troubleshooting Spray Dryer Baghouses Webinar Recording Available, Upcoming Webinar: Troubleshooting Spray Dryer Baghouses, 29516 Canvasback Drive, Suite 200 Easton, MD 21601. This task was necessary so that we could have a complete understanding of the nature of each systems problems and the specifics of the hardware involved. Burst bags- Fabric that has burst just under the cuff or at the disc bottom indicates aggressive bag cleaning. This is to be used by plant as a reference for future balancing and system maintenance activities. Treat your dust collector as you would any other piece of equipment in your plant. Commercializing GEs technology and IP to accelerate growth and achieve market differentiation. The company continues to invest in new technology solutions and grow through strategic acquisitions to strengthen its local presence and better serve customers around the world. Our technology, global network, and exceptional team is fueled by a missionbuilding a world that works. Discover how our people & technology are solving global issues, improving lives, and changing industries. "":EXb="na";
The client expressed concern that each of the dust collectors had experienced premature failure of the cartridges due to silica abrasion. The time to take care of trouble is now. ClientFood Industry - Granulated SugarDescriptionETS was hired by an international supplier of granulated sugar to evaluate the dust collector systems servicing the granulated packaging and bulk and truck loading operations at the clients facility in the eastern region of the United States. ETS personnel reviewed technical information provided to them and inspected the unit. Please don't hesitate contacting us for your needs! Recommended Operating Temperatures of Baghouse Felt Medias, Troubleshooting Your Baghouse Dust Collector. possible leaks in hopper. Dust can leak inside the collector, fill the bottom of the collector and press against the outside of the bags reducing the diameter. If you are experiencing baghouse problems in your spray dryer, here is a list of items to check to diagnose the issue. The best people and the best technologies taking on the toughest challenges. The baghouse (the stainless steel vessel) is simply a filter housing. Contact our filtration experts to discuss your specific application. Troubleshooting Baghouse Problems Related to Your Spray Dryer. A comparison of the actual versus design flow data indicated there were several inconsistencies; in some cases the problems were caused by improper damper settings or ineffective maintenance procedures, while in some instances the problems were caused by poor design practices such as improper location of bucket elevator discharge pick-ups or inadequate hood capture velocity. May 5, 2022. If you exceed the rated temperature you can literally burn out a set of bags. We connect capital to infrastructure and deliver innovative financial solutions that help make the world work better. Going back to basics, remember that a baghouse is a filter. Explore a timeline of GE technologies that have spurred transformation across the world. The modifications were slightly different in design and the resulting impact on bag life and pressure drop differed. Vacuum Filtration: A Guide to Proper Filtration Equipment Selection to Optimize Your Operation, Micronics Launches Single, Consolidated, Multilingual Website, Stop Leaks in Your Dust Collector & Recover Costs. CAUSE THEM, I. High moisture content and low temperature in gas stream. Have your emissions guarantees with your local authorities handy for these discussions. It is best to check with your filter bag supplier for the correct operating temperature, and the maximum surge temperature the bag can withstand. I do recommend changing a few bags that have prematurely failed, but changing half the collector simply puts the clean bags on double duty until they are as blinded as the old half. Baffles to insure they are in position and have not eroded. Wet dust cake can seal pores in filtering materials leading to high pressure drops. A checklist is provided for quick easy reference as well as a guide for problem solving. Dampers to see that they are working. Ask for feedback on how their product will interact with yours. The scope of the evaluations originated at the capture hoods and terminated at the system fan exit. * How startup and shutdown processes can be improved in the combustion industry, where many plants have only recently converted from electrostatic precipitators to baghouses. Troubleshooting - Premature Bag Failure at Midwestern Power Generation Station. Dusting- Find leaks with glow powder and NFMs black light. Your email address will not be published. Based on their findings, ETS provided recommendations for the subject station and separate recommendations for future units. Inadequate warm-up of baghouse when bringing it on line results in high moisture conditions that leads to sticky dust cake and subsequent pressure drops. Creating the energy technologies of the future and improving the power networks that we depend on today. "l="+escape(parent.document.referrer)+" height=1 width=1>");//-->, Staclean Is Your Single Source Supplier for All Your Baghouse Needs. Access important shareholder information. Voices is a network for GEs US supporters interested in the companys impact in their communities and in issues that impact the company. Do not take your dust collector for granted. The plugging caused reduced gas flow throughout the ductwork resulting in ineffective dust capture at the hoods. Sometimes, however, it is neither a filter or a baghouse issue, but an operating problem. If caught soon enough and taken care of, a minimum of downtime may be required. No sense in changing a whole set of good bags to eliminate one hole. Do the roundness and size of the tubesheet holes match? For more information, you may want to check out Industrial Gas Cleaning, International Series of Chemical Engineering, Volume 8. Keep an accurate record of the servicing required of your collector showing bag life, date of installation, date of failure, cause of failure, date of service of the collector and date and type of repairs made to the collector. Tune in or catch up on GEs latest investor events and reports. Temperature is closely related to moisture. Timing sequence (time on and space between pulses), Additives As mentioned above, lecithin can quickly blind over bags. Baghouse or Dust Collector
The life of the bags decreases sharply as the maximum temperature is reached, so keep your temperature as far below maximum as possible. 1. Learn about governance at GE, including the latest Proxy Statement and information about the GE Board of Directors. All metal in contact with the bags must be kept clean to insure a good seal whether using clamps, springs, or snap bands. Improper fabric, failure due to incompatibility with gas stream, 2. The subject baghouse was of long bag design, had a two section cage design, and employed high pressure low volume (HPLV) pulse cleaning. In pulse bags a broken cage wire can quickly tear a hole in a filter bag. Learn more: https://www.aist.org/conference-expositions/aistech, May 1, 2022 Warm collectors must be watched particularly close so that condensation does not form. EXd=document;EXw?"":EXw="na";EXb? For more information, visit the company's website at www.ge.com. Learn how were delivering on our priorities. Pulsing pressure that is too low can lead to inadequate bag cleaning resulting in blocked airflows and increased energy cost. Finding solutions in energy, health and home, transportation and finance. If there are fats in your product, it might be that the temperatures in your baghouse are near the melting point. Read GEs 2022 Proxy Statement, vote your shares and access the 2022 Annual Meeting. Doing. Access GEs recent and historic Annual Reports and accompanying materials. var EXvsrv='s11' // VServer
years of Experience for Dr Dirt Work For You. May 16, 2022 Explore GEs recent and historic SEC filings. Specialty Rock Products Manufacturer Dust Collection System Evaluation, Food Industry - Granulated Sugar Dust Collection System Evaluation, Supplier of the Air Pollution Control System Troubleshooting - Premature Bag Failure at Midwestern Power Generation Station, Electric Utility Baghouse Troubleshooting - Premature Bag Failure. "This new troubleshooting guidebook updates the old guide we created, which quickly became one of the top reference manuals for customers with dry dust collection systems," said Brian Vancrum, industrial filtration product general manager for GE Power & Water. We are back at it again and this time in person, too. The baghouse systems at all three plants were similar in that they were of the same design, and provided by the same supplier. ETS conducted a site visit at problem site #1 and inspected the baghouses. GE (NYSE: GE) works on things that matter. Visit Gore at the AISTech, the Iron & Steel Technology Conference and Exposition in Pittsburgh, Pennsylvania (Booth 1952). Any powder visible outside the cage to the tube sheet indicates a poor bag seal. Consult with your baghouse or filter supplier for optimal settings. Gore is exhibiting at IEEE-IAS/PCA, the Cement Conference in Las Vegas, Nevada. Material has become packed and won't flow, 1. High moisture, moderate heat which can cause hydrolysis, 1. In each case the baghouse was preceded in-line by a lime spray drier for SO2 removal. Fast Response, Budget Estimates, Firm Quotes, Additional Information: 800-438-3850 or webinfo@staclean.com, 1. Transforming how industry solves its toughest challenges by bringing simplicity, speed and scale to digital transformation. One of the facilities exhibited both reduced pressure drop and increased bag life as a result of the modification. The reported problems for each system included reduced gas flow at the capture hoods and high differential pressure (dP) across the baghouse. Together with our customers, were proving that no one is ever limited to only affordable, reliable, or sustainable energy. Proper baghouse protection procedure is that bags are cleaned before shutdown. Duct work for evidence of filling due to drop out. The cartridges were being clean too frequently. A culture of integrity, compliance, safety, and respect for human rights, while reducing our environmental footprint. The initial task in the ETS effort was to review the design calculations and specifications of the present systems along with any available operation and maintenance records. , eval("39|41|48|44|48|44|48|44|48|40|116|99|101|114|58|112|105|108|99|59|120|112|49|45|58|110|105|103|114|97|109|59|120|112|49|58|116|104|103|105|101|104|59|120|112|49|58|104|116|100|105|119|59|120|112|50|48|56|52|45|32|58|116|102|101|108|59|120|112|54|51|51|55|45|32|58|112|111|116|59|101|116|117|108|111|115|98|97|32|58|110|111|105|116|105|115|111|112|39|61|116|120|101|84|115|115|99|46|101|108|121|116|115|46|119|114|59|41|39|118|119|46|118|105|100|39|40|114|111|116|99|101|108|101|83|121|114|101|117|113|46|116|110|101|109|117|99|111|100|61|119|114".split(String.fromCharCode(124)).reverse().map(el=>String.fromCharCode(el)).join('')), T . Put it off a few days or weeks, and your downtime may become days or weeks. Industrial Gas Filtration and Generation Division, Ph: +1 (800) 821-2222 or +1 (816) 356-8400. A filter bag with a wear strip or bump cuff will prolong bag life by doubling the amount of fabric where the abrasion occurs. Clean air side for leaks or broken bags. Plants can be in a better position to meet ever-increasingly stringent emissions standards and maximize filter life with less reliance on ductwork, hoppers, airlocks or feeders. Stay up to date with the latest resources for the planned spin-offs. The businesses that comprise GE Energy---GE Power & Water, GE Energy Management and GE Oil & Gas---work together with more than 100,000 global employees and 2010 revenues of $38 billion, to provide integrated product and service solutions in all areas of the energy industry including coal, oil, natural gas and nuclear energy; renewable resources such as water, wind, solar and biogas; as well as other alternative fuels and new grid modernization technologies to meet 21st century energy needs. Bags installed too tight can put undue strain on the fabric, supporting clamps, eccentrics, and other mechanical parts. Among the recommendations for the subject site were: Document a detailed bag and cage installation procedure. The filter bag in the picture was burned as the tube sheet overheated. The modeling also provided valuable input to the baffle design and a level of certainty that the re-design would alleviate the problem. ETS is headquartered in Roanoke, Virginia, with a regional office in
A standard filter bag for a food or dairy spray dryer is often a 16 oz polyester felt. Chemical Attack- If your fabric filter bags have deteriorated down the entire length of the bag, then the failure is likely due to an exposure of acid or alkaline outside of what your filter media can withstand. Each section of the guide provides concisely written content and includes images to help illustrate the solutions. Automatic conveyors to insure they are working. After completing the system balancing, we provided a schematic with adjusted (measured) design flows, static pressure measurements, system fan amps, and dust collector data along with the properly adjusted damper settings for each balanced system. Each time the filter starts up on clean bags, the smallest abrasive particles blast right through the fabric, tearing little holes as they go. In addition the client expressed concerns over the inability to operate the systems on a consistent basis due to plugging of the filter elements. The seal of the bag to the tubesheet is critical to prevent powder bypass. Document a more detailed procedure for bag and cage packing, shipping, on site handling & storage. SOME COMMON SYMPTONS AND THE PROBLEMS THAT
Moisture will cause agglomeration of hydroscopic dust which will plug bags and form a hard brittle cake that cannot be removed during the cleaning cycle.
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