[{"data":1,"prerenderedAt":946},["ShallowReactive",2],{"site-footer-common":3,"glossary:acoustic-cleaning-system":45,"glossary-related:acoustic-cleaning-system":279},{"id":4,"extension":5,"footer":6,"meta":40,"navbar":41,"stem":43,"__hash__":44},"common\u002Fcommon.yml","yml",{"tagline":7,"links":8,"sections":9},"Acoustic cleaning intelligence for industrial fouling, soot, ash, dust and build-up.",[],[10,19,31],{"title":11,"links":12},"Product",[13,16],{"label":14,"to":15},"How it works","\u002F#product",{"label":17,"to":18},"Cost assessment","\u002F#hero",{"title":20,"links":21},"Company",[22,25,28],{"label":23,"to":24},"What we build","\u002F#about",{"label":26,"to":27},"Careers","\u002F#careers",{"label":29,"to":30},"Contact","\u002F#contact",{"title":32,"links":33},"Resources",[34,37],{"label":35,"to":36},"Blog","\u002Fresources\u002Fblog",{"label":38,"to":39},"Glossary","\u002Fglossary",{},{"links":42},[],"common","YocmZRy1AYfBbpgGVms-zhdiABlF8VTxHx6h4rDmZBA",{"id":46,"title":47,"aliases":48,"body":52,"category":255,"description":256,"extension":257,"meta":258,"navigation":259,"path":260,"relatedTerms":261,"seo":267,"sources":270,"stem":277,"term":47,"__hash__":278},"glossary\u002Fglossary\u002Facoustic-cleaning-system.md","Acoustic cleaning system",[49,50,51],"acoustic cleaning systems","sonic cleaning system","industrial acoustic cleaning system",{"type":53,"value":54,"toc":247},"minimark",[55,75,80,102,178,182,205,209,212,216],[56,57,58,59,63,64,69,70,74],"p",{},"An ",[60,61,62],"strong",{},"acoustic cleaning system"," is the engineered assembly that delivers programmed sound-wave cleaning to a defined area of industrial process equipment. A complete system bundles the ",[65,66,68],"a",{"href":67},"\u002Fglossary\u002Facoustic-cleaner","acoustic cleaners"," themselves with their mounting hardware, compressed-air supply, pilot solenoid valves, a ",[65,71,73],{"href":72},"\u002Fglossary\u002Fcycle-controller-sequencer","cycle controller"," or PLC interface, and any sound-attenuation enclosures required to meet noise-exposure limits at the work area.",[76,77,79],"h2",{"id":78},"typical-scope-of-supply","Typical scope of supply",[56,81,82,83,87,88,87,92,96,97,101],{},"A turnkey acoustic cleaning system specified for an ",[65,84,86],{"href":85},"\u002Fglossary\u002Felectrostatic-precipitator","ESP",", ",[65,89,91],{"href":90},"\u002Fglossary\u002Ffabric-filter","baghouse",[65,93,95],{"href":94},"\u002Fglossary\u002Fselective-catalytic-reduction","SCR"," reactor or cement ",[65,98,100],{"href":99},"\u002Fglossary\u002Fpreheater-tower","preheater tower"," usually comprises:",[103,104,105,118],"table",{},[106,107,108],"thead",{},[109,110,111,115],"tr",{},[112,113,114],"th",{},"Component",[112,116,117],{},"Function",[119,120,121,130,138,146,154,162,170],"tbody",{},[109,122,123,127],{},[124,125,126],"td",{},"Acoustic cleaners (horns)",[124,128,129],{},"Generate the cleaning sound wave",[109,131,132,135],{},[124,133,134],{},"Mounting flanges and nozzles",[124,136,137],{},"Couple the horn to the vessel wall",[109,139,140,143],{},[124,141,142],{},"Solenoid valves",[124,144,145],{},"Admit compressed air to each horn on demand",[109,147,148,151],{},[124,149,150],{},"Cycle controller \u002F PLC interface",[124,152,153],{},"Sequence horns by zone, duty cycle and dwell",[109,155,156,159],{},[124,157,158],{},"Compressed-air conditioning",[124,160,161],{},"Filter, dry and regulate plant air",[109,163,164,167],{},[124,165,166],{},"Sound-attenuation enclosure",[124,168,169],{},"Reduce external SPL at the work area",[109,171,172,175],{},[124,173,174],{},"Engineering, commissioning and tuning",[124,176,177],{},"Match firing pattern to fouling behaviour",[76,179,181],{"id":180},"system-level-versus-single-horn-purchasing","System-level versus single-horn purchasing",[56,183,184,185,189,190,194,195,199,200,204],{},"Plant operators often start by buying a single ",[65,186,188],{"href":187},"\u002Fglossary\u002Fsonic-horn","sonic horn"," to address one acute fouling location, then expand to a multi-horn system once the proof of concept is established. System procurement shifts the conversation from product specification to outcome — opacity compliance, ",[65,191,193],{"href":192},"\u002Fglossary\u002Fdifferential-pressure-baghouse","differential-pressure"," reduction, kiln availability, ",[65,196,198],{"href":197},"\u002Fglossary\u002Fcatalyst-masking","catalyst life"," extension — and usually involves a sizing study, fouling-zone mapping, and integration with the existing ",[65,201,203],{"href":202},"\u002Fglossary\u002Fdcs","DCS"," or PLC.",[76,206,208],{"id":207},"why-the-distinction-matters-in-procurement","Why the distinction matters in procurement",[56,210,211],{},"Specifiers writing an RFQ should distinguish \"acoustic cleaning system\" — which covers cycle logic, air supply and integration — from \"acoustic cleaner\" or \"sonic horn\" — which covers the device alone. A horn supplied without a controller, without sized air supply or without a sequencing strategy will under-perform regardless of its individual specification.",[76,213,215],{"id":214},"related-terms","Related terms",[217,218,219,225,230,236,241],"ul",{},[220,221,222],"li",{},[65,223,224],{"href":67},"Acoustic cleaner",[220,226,227],{},[65,228,229],{"href":187},"Sonic horn",[220,231,232],{},[65,233,235],{"href":234},"\u002Fglossary\u002Fpneumatic-acoustic-cleaner","Pneumatic acoustic cleaner",[220,237,238],{},[65,239,240],{"href":72},"Cycle controller \u002F sequencer",[220,242,243],{},[65,244,246],{"href":245},"\u002Fglossary\u002Fcompressed-air","Compressed air",{"title":248,"searchDepth":249,"depth":249,"links":250},"",2,[251,252,253,254],{"id":78,"depth":249,"text":79},{"id":180,"depth":249,"text":181},{"id":207,"depth":249,"text":208},{"id":214,"depth":249,"text":215},"core-technology","An acoustic cleaning system is the engineered assembly that delivers programmed sound-wave cleaning to a defined area of industrial process equipment. A complete system bundles the acoustic cleaners themselves with their mounting hardware, compressed-air supply, pilot solenoid valves, a cycle controller or PLC interface, and any sound-attenuation enclosures required to meet noise-exposure limits at the work area.","md",{},true,"\u002Fglossary\u002Facoustic-cleaning-system",[262,263,264,265,266],"acoustic-cleaner","sonic-horn","pneumatic-acoustic-cleaner","cycle-controller","compressed-air",{"title":268,"description":269},"Acoustic cleaning system — definition, components, scope of supply","An acoustic cleaning system is the engineered assembly of sonic horns, compressed-air supply, solenoid valves and cycle controllers that delivers programmed acoustic cleaning to industrial process equipment.",[271,274],{"title":272,"url":273},"Power Engineering — Sonic Horns: A User's Introduction","https:\u002F\u002Fwww.power-eng.com\u002Fcoal\u002Fsonic-horns-a-userrsquos-introduction\u002F",{"title":275,"url":276},"Power Magazine — The Theory and Application of Acoustic Cleaners","https:\u002F\u002Fwww.powermag.com\u002Fthe-theory-and-application-of-acoustic-cleaners\u002F","glossary\u002Facoustic-cleaning-system","oLRGI_8MjkJbK9jkWcIgN0EF7kzdTyTAyn2jhvwOxfg",[280,458,669,850],{"id":281,"title":224,"aliases":282,"body":284,"category":255,"description":437,"extension":257,"meta":438,"navigation":259,"path":67,"relatedTerms":439,"seo":445,"sources":448,"stem":456,"term":224,"__hash__":457},"glossary\u002Fglossary\u002Facoustic-cleaner.md",[68,283],"acoustic cleaning device",{"type":53,"value":285,"toc":431},[286,292,296,299,303,306,390,394,407,409],[56,287,58,288,291],{},[60,289,290],{},"acoustic cleaner"," is any device that uses high-intensity sound waves — typically at audible low frequencies between 60 and 450 Hz and sound pressure levels of 140 to 180 dB — to dislodge particulate fouling from inside industrial process equipment. The acoustic energy vibrates dust, ash, soot and other accreted solids, keeping them airborne and entrained in the gas flow so they cannot bond, bridge or harden on internal surfaces.",[76,293,295],{"id":294},"how-an-acoustic-cleaner-works","How an acoustic cleaner works",[56,297,298],{},"A pneumatic driver — usually compressed air at 4 to 7 bar — sets a metal diaphragm or piston-whistle assembly vibrating at the cleaner's design frequency. The vibration is amplified through an exponential bell horn and projected into the equipment as a near-spherical pressure field. Particulate already deposited on tube banks, plates, catalyst layers or hopper walls receives an oscillating force that overcomes adhesion. Because the cleaner is non-contact, it can run while the plant is online, every few minutes, without thermal shock, tube erosion or refractory damage.",[76,300,302],{"id":301},"where-acoustic-cleaners-are-used","Where acoustic cleaners are used",[56,304,305],{},"Acoustic cleaners are installed throughout the gas path and bulk-solids path of heavy industry:",[217,307,308,326,341,360,377],{},[220,309,310,313,314,87,318,87,322],{},[60,311,312],{},"Combustion plant"," — boilers, ",[65,315,317],{"href":316},"\u002Fglossary\u002Feconomiser","economisers",[65,319,321],{"href":320},"\u002Fglossary\u002Fsuperheater","superheaters",[65,323,325],{"href":324},"\u002Fglossary\u002Fair-heater","air heaters",[220,327,328,331,332,87,335,87,338],{},[60,329,330],{},"Air-pollution control"," — ",[65,333,334],{"href":85},"electrostatic precipitators",[65,336,337],{"href":90},"fabric filters",[65,339,340],{"href":94},"SCR catalysts",[220,342,343,331,346,350,351,355,356],{},[60,344,345],{},"Bulk solids",[65,347,349],{"href":348},"\u002Fglossary\u002Fhopper","hoppers, silos and bunkers"," prone to ",[65,352,354],{"href":353},"\u002Fglossary\u002Fbridging","bridging"," and ",[65,357,359],{"href":358},"\u002Fglossary\u002Frat-holing","rat-holing",[220,361,362,331,365,87,369,87,373],{},[60,363,364],{},"Cement",[65,366,368],{"href":367},"\u002Fglossary\u002Fpreheater-cyclone","preheater cyclones",[65,370,372],{"href":371},"\u002Fglossary\u002Fcalciner","calciners",[65,374,376],{"href":375},"\u002Fglossary\u002Fkiln-inlet-riser-duct","kiln inlets",[220,378,379,331,382,87,386],{},[60,380,381],{},"Pulp and paper",[65,383,385],{"href":384},"\u002Fglossary\u002Frecovery-boiler","kraft recovery boilers",[65,387,389],{"href":388},"\u002Fglossary\u002Flime-kiln","lime kilns",[76,391,393],{"id":392},"acoustic-cleaners-are-not-ultrasonic-cleaners","Acoustic cleaners are not ultrasonic cleaners",[56,395,396,397,401,402,406],{},"The two terms are routinely confused but describe completely different technologies. Acoustic cleaners operate in the audible low-frequency band and clean dry industrial surfaces ",[398,399,400],"em",{},"in situ"," with airborne sound. Ultrasonic cleaners operate above 20 kHz inside a liquid bath and clean small parts off-line by cavitation. See ",[65,403,405],{"href":404},"\u002Fglossary\u002Facoustic-cleaning-vs-ultrasonic-cleaning","acoustic cleaning vs ultrasonic cleaning",".",[76,408,215],{"id":214},[217,410,411,415,419,425],{},[220,412,413],{},[65,414,47],{"href":260},[220,416,417],{},[65,418,229],{"href":187},[220,420,421],{},[65,422,424],{"href":423},"\u002Fglossary\u002Fsonic-sootblower","Sonic sootblower",[220,426,427],{},[65,428,430],{"href":429},"\u002Fglossary\u002Finfrasonic-cleaner","Infrasonic cleaner",{"title":248,"searchDepth":249,"depth":249,"links":432},[433,434,435,436],{"id":294,"depth":249,"text":295},{"id":301,"depth":249,"text":302},{"id":392,"depth":249,"text":393},{"id":214,"depth":249,"text":215},"An acoustic cleaner is any device that uses high-intensity sound waves — typically at audible low frequencies between 60 and 450 Hz and sound pressure levels of 140 to 180 dB — to dislodge particulate fouling from inside industrial process equipment. The acoustic energy vibrates dust, ash, soot and other accreted solids, keeping them airborne and entrained in the gas flow so they cannot bond, bridge or harden on internal surfaces.",{},[440,263,441,442,443,444],"acoustic-cleaning-system","sonic-sootblower","infrasonic-cleaner","low-frequency-acoustic-cleaner","high-frequency-acoustic-cleaner",{"title":446,"description":447},"Acoustic cleaner — definition, principle, industrial uses","An acoustic cleaner is any device that uses high-intensity sound waves to dislodge particulate fouling from inside industrial process equipment such as boilers, ESPs, baghouses and silos.",[449,450,453],{"title":275,"url":276},{"title":451,"url":452},"Power Engineering — Tuning in to Acoustic Cleaning","https:\u002F\u002Fwww.power-eng.com\u002Fcoal\u002Ftuning-in-to-acoustic-cleaning\u002F",{"title":454,"url":455},"Wikipedia — Acoustic cleaning","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAcoustic_cleaning","glossary\u002Facoustic-cleaner","MwPOKb4JllxnhygiJ3--SHn7B_zEw8BdkQXIXUCoV0E",{"id":459,"title":229,"aliases":460,"body":464,"category":255,"description":653,"extension":257,"meta":654,"navigation":259,"path":187,"relatedTerms":655,"seo":658,"sources":661,"stem":667,"term":229,"__hash__":668},"glossary\u002Fglossary\u002Fsonic-horn.md",[461,462,463],"sonic horns","sonic cleaning horn","industrial sonic horn",{"type":53,"value":465,"toc":646},[466,489,493,501,505,567,571,605,609,617,619],[56,467,468,469,471,472,474,475,87,478,87,481,87,483,355,486,406],{},"A ",[60,470,188],{}," is a pneumatically-driven sound emitter that produces high-intensity, low-frequency sound waves — typically between 60 and 400 Hz at sound pressure levels of 140 to 180 dB — used to dislodge particulate fouling from inside industrial process equipment. Sonic horns are the most common form of ",[65,473,290],{"href":67}," and the default specification for cleaning ",[65,476,477],{"href":85},"ESPs",[65,479,480],{"href":90},"baghouses",[65,482,340],{"href":94},[65,484,485],{"href":320},"boiler heat-transfer surfaces",[65,487,488],{"href":348},"hoppers and silos",[76,490,492],{"id":491},"how-a-sonic-horn-works","How a sonic horn works",[56,494,495,496,500],{},"Compressed plant air admitted through a ",[65,497,499],{"href":498},"\u002Fglossary\u002Fsolenoid-valve","solenoid valve"," drives a metal diaphragm — typically titanium or 316 stainless — into resonant oscillation at the horn's fundamental frequency. The oscillating pressure field is amplified by an exponential bell horn and projected into the vessel as a near-spherical sound wave. Particulate already deposited on internal surfaces receives an oscillating acceleration that overcomes adhesion; loosened material is then carried out with the gas flow before it can sinter, bridge or bond. Because the cleaning is acoustic and non-contact, the horn can fire while the plant is online without tube erosion, refractory damage or thermal shock.",[76,502,504],{"id":503},"key-parameters","Key parameters",[103,506,507,517],{},[106,508,509],{},[109,510,511,514],{},[112,512,513],{},"Parameter",[112,515,516],{},"Typical range",[119,518,519,527,535,543,551,559],{},[109,520,521,524],{},[124,522,523],{},"Fundamental frequency",[124,525,526],{},"60–400 Hz",[109,528,529,532],{},[124,530,531],{},"Sound pressure level",[124,533,534],{},"140–180 dB",[109,536,537,540],{},[124,538,539],{},"Compressed-air consumption",[124,541,542],{},"8–14 Nm³\u002Fmin at 4–7 bar",[109,544,545,548],{},[124,546,547],{},"Operating temperature (with appropriate materials)",[124,549,550],{},"−40 °C to +500 °C",[109,552,553,556],{},[124,554,555],{},"Firing cycle",[124,557,558],{},"5–15 s burst, repeated every 3–15 minutes",[109,560,561,564],{},[124,562,563],{},"Mass",[124,565,566],{},"15–60 kg depending on horn size",[76,568,570],{"id":569},"frequency-selection","Frequency selection",[56,572,573,574,87,576,579,580,87,584,588,589,87,592,596,597,355,601,406],{},"Lower frequencies (60–125 Hz) project longer wavelengths and penetrate further into large open vessels — ",[65,575,368],{"href":367},[65,577,578],{"href":384},"recovery-boiler superheaters",", large ",[65,581,583],{"href":582},"\u002Fglossary\u002Fesp-field-bus-section","ESP fields",[65,585,587],{"href":586},"\u002Fglossary\u002Fsilo","silos",". Higher frequencies (230–400 Hz) carry more energy per unit volume and suit finer dust loads in ",[65,590,591],{"href":90},"fabric-filter compartments",[65,593,595],{"href":594},"\u002Fglossary\u002Fhoneycomb-catalyst","catalyst layers"," and smaller hopper geometries. See ",[65,598,600],{"href":599},"\u002Fglossary\u002Flow-frequency-acoustic-cleaner","low-frequency acoustic cleaner",[65,602,604],{"href":603},"\u002Fglossary\u002Fhigh-frequency-acoustic-cleaner","high-frequency acoustic cleaner",[76,606,608],{"id":607},"sonic-horn-vs-steam-sootblower","Sonic horn vs steam sootblower",[56,610,611,612,616],{},"Sonic horns are increasingly specified alongside or in place of ",[65,613,615],{"href":614},"\u002Fglossary\u002Fsteam-sootblower","steam sootblowers"," because they consume no boiler-grade steam, cause no tube erosion, require almost no moving parts and can fire every few minutes without operator intervention. They are less effective on hard, fused slag than retractable steam lances, so on furnace waterwalls and high-temperature superheaters they typically complement rather than replace mechanical cleaning.",[76,618,215],{"id":214},[217,620,621,625,629,635,641],{},[220,622,623],{},[65,624,224],{"href":67},[220,626,627],{},[65,628,424],{"href":423},[220,630,631],{},[65,632,634],{"href":633},"\u002Fglossary\u002Fbell-horn","Bell horn",[220,636,637],{},[65,638,640],{"href":639},"\u002Fglossary\u002Fdiaphragm-horn","Diaphragm horn",[220,642,643],{},[65,644,645],{"href":599},"Low-frequency acoustic cleaner",{"title":248,"searchDepth":249,"depth":249,"links":647},[648,649,650,651,652],{"id":491,"depth":249,"text":492},{"id":503,"depth":249,"text":504},{"id":569,"depth":249,"text":570},{"id":607,"depth":249,"text":608},{"id":214,"depth":249,"text":215},"A sonic horn is a pneumatically-driven sound emitter that produces high-intensity, low-frequency sound waves — typically between 60 and 400 Hz at sound pressure levels of 140 to 180 dB — used to dislodge particulate fouling from inside industrial process equipment. Sonic horns are the most common form of acoustic cleaner and the default specification for cleaning ESPs, baghouses, SCR catalysts, boiler heat-transfer surfaces and hoppers and silos.",{},[262,440,441,656,657,443],"bell-horn","diaphragm-horn",{"title":659,"description":660},"Sonic horn — definition, frequency, SPL and industrial applications","A sonic horn is a pneumatically-driven low-frequency sound emitter (typically 60–400 Hz at 140–180 dB SPL) used to dislodge particulate fouling from boilers, ESPs, baghouses and process vessels.",[662,663,664],{"title":272,"url":273},{"title":451,"url":452},{"title":665,"url":666},"Wikipedia — Sonic soot blowers","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSonic_soot_blowers","glossary\u002Fsonic-horn","YzrhN0kKzqSaQo0wfn0rueNZ-V43mcg5zahqeWi3lnU",{"id":670,"title":235,"aliases":671,"body":674,"category":255,"description":838,"extension":257,"meta":839,"navigation":259,"path":234,"relatedTerms":840,"seo":843,"sources":846,"stem":848,"term":235,"__hash__":849},"glossary\u002Fglossary\u002Fpneumatic-acoustic-cleaner.md",[672,673],"pneumatically driven acoustic cleaner","compressed-air sonic horn",{"type":53,"value":675,"toc":832},[676,690,694,697,740,744,790,794,806,808],[56,677,468,678,681,682,684,685,689],{},[60,679,680],{},"pneumatic acoustic cleaner"," is an industrial ",[65,683,188],{"href":187}," driven by compressed plant air rather than by an electrical, hydraulic or steam source. The pneumatic design dominates the industrial acoustic-cleaning market because it places no electrical parts inside the gas path, tolerates dirty utility air, and matches naturally to the ",[65,686,688],{"href":687},"\u002Fglossary\u002Fatex-directive","ATEX"," Zone 20\u002F21\u002F22 dust environments where most cleaning targets sit.",[76,691,693],{"id":692},"why-pneumatic-not-electric","Why pneumatic, not electric",[56,695,696],{},"Industrial cleaning duty is dominated by three constraints that favour compressed air:",[698,699,700,724,730],"ol",{},[220,701,702,705,706,87,710,87,714,87,717,87,720,723],{},[60,703,704],{},"Hazardous-area classification."," Most cleaning targets — ",[65,707,709],{"href":708},"\u002Fglossary\u002Fbunker-coal-bunker","coal bunkers",[65,711,713],{"href":712},"\u002Fglossary\u002Ffly-ash-hopper","fly-ash hoppers",[65,715,716],{"href":586},"biomass silos",[65,718,719],{"href":367},"cement preheater cyclones",[65,721,722],{"href":384},"recovery boilers"," — are classified for combustible dust. A pneumatic driver removes electrical ignition risk entirely from the horn body.",[220,725,726,729],{},[60,727,728],{},"Utility availability."," Every industrial site already runs an instrument-air or plant-air network sized for sootblowers, pneumatic vibrators, control valves and tools. Adding sonic horns rarely requires a new utility.",[220,731,732,735,736,739],{},[60,733,734],{},"Tolerance."," Compressed industrial air contains water, oil mist and particulate; a metal ",[65,737,738],{"href":639},"diaphragm horn"," tolerates this far better than any electromechanical sound source of comparable output.",[76,741,743],{"id":742},"typical-utility-requirements","Typical utility requirements",[103,745,746,756],{},[106,747,748],{},[109,749,750,753],{},[112,751,752],{},"Specification",[112,754,755],{},"Typical value",[119,757,758,766,774,782],{},[109,759,760,763],{},[124,761,762],{},"Supply pressure",[124,764,765],{},"4–7 bar (60–100 psi)",[109,767,768,771],{},[124,769,770],{},"Consumption per horn (10-second burst)",[124,772,773],{},"8–14 Nm³\u002Fmin",[109,775,776,779],{},[124,777,778],{},"Air quality",[124,780,781],{},"Dried instrument air preferred; plant air acceptable with adequate filtration",[109,783,784,787],{},[124,785,786],{},"Connection",[124,788,789],{},"DN25–DN50 thread or flange",[76,791,793],{"id":792},"what-pneumatic-implies-for-procurement","What \"pneumatic\" implies for procurement",[56,795,796,797,800,801,805],{},"Specifiers writing an RFQ for a pneumatic acoustic cleaner should also size the compressed-air receiver, the regulator and the pilot ",[65,798,799],{"href":498},"solenoid valves"," for the simultaneous-firing case. A common engineering error is to under-size the air receiver, leaving the horn unable to sustain its rated ",[65,802,804],{"href":803},"\u002Fglossary\u002Fsound-pressure-level","SPL"," during multi-horn cycles.",[76,807,215],{"id":214},[217,809,810,814,818,822,827],{},[220,811,812],{},[65,813,229],{"href":187},[220,815,816],{},[65,817,224],{"href":67},[220,819,820],{},[65,821,246],{"href":245},[220,823,824],{},[65,825,826],{"href":498},"Solenoid valve",[220,828,829],{},[65,830,831],{"href":687},"ATEX directive",{"title":248,"searchDepth":249,"depth":249,"links":833},[834,835,836,837],{"id":692,"depth":249,"text":693},{"id":742,"depth":249,"text":743},{"id":792,"depth":249,"text":793},{"id":214,"depth":249,"text":215},"A pneumatic acoustic cleaner is an industrial sonic horn driven by compressed plant air rather than by an electrical, hydraulic or steam source. The pneumatic design dominates the industrial acoustic-cleaning market because it places no electrical parts inside the gas path, tolerates dirty utility air, and matches naturally to the ATEX Zone 20\u002F21\u002F22 dust environments where most cleaning targets sit.",{},[262,263,266,841,842],"solenoid-valve","cycle-controller-sequencer",{"title":844,"description":845},"Pneumatic acoustic cleaner — compressed-air sonic horn explained","A pneumatic acoustic cleaner is a sonic horn driven by compressed plant air. The pneumatic design dominates industrial acoustic cleaning because it has no electrical parts in the gas path.",[847],{"title":275,"url":276},"glossary\u002Fpneumatic-acoustic-cleaner","CmN6RQgE83lF1QmPn-rvEFRCZOGmpQqASpK3J82Tm18",{"id":851,"title":246,"aliases":852,"body":856,"category":931,"description":932,"extension":257,"meta":933,"navigation":259,"path":245,"relatedTerms":934,"seo":936,"sources":939,"stem":943,"term":944,"__hash__":945},"glossary\u002Fglossary\u002Fcompressed-air.md",[853,854,855],"plant air","instrument air","compressed-air supply",{"type":53,"value":857,"toc":926},[858,863,877,887,891,902,906,909,911],[56,859,860,862],{},[60,861,246],{}," at industrial plants is delivered by an on-site compressed-air system at typical pressures of 4–10 bar. Two grades exist:",[217,864,865,871],{},[220,866,867,870],{},[60,868,869],{},"Plant air"," — general utility air; tolerant quality",[220,872,873,876],{},[60,874,875],{},"Instrument air"," — filtered and dried; for controls and precision devices",[56,878,879,882,883,886],{},[65,880,881],{"href":234},"Pneumatic acoustic cleaners"," tolerate plant air for most service but specifying instrument air or dried plant air improves ",[65,884,885],{"href":639},"diaphragm"," life.",[76,888,890],{"id":889},"consumption","Consumption",[56,892,893,894,896,897,901],{},"A typical industrial ",[65,895,188],{"href":187}," consumes 8–14 Nm³\u002Fmin during a 5–15 second firing burst at 4–7 bar ",[65,898,900],{"href":899},"\u002Fglossary\u002Foperating-pressure","operating pressure",". On a 5-minute firing cycle this averages 0.3–1.0 Nm³\u002Fmin continuous draw per horn. Multi-horn arrays must be sized against the simultaneous-firing case.",[76,903,905],{"id":904},"air-receiver-and-regulation","Air receiver and regulation",[56,907,908],{},"A correctly-sized air receiver buffers the horn's pulse demand from the compressor. Under-sized receivers cause SPL drop-off during multi-horn firing — a common engineering error on initial installations.",[76,910,215],{"id":214},[217,912,913,917,922],{},[220,914,915],{},[65,916,235],{"href":234},[220,918,919],{},[65,920,921],{"href":899},"Operating pressure",[220,923,924],{},[65,925,826],{"href":498},{"title":248,"searchDepth":249,"depth":249,"links":927},[928,929,930],{"id":889,"depth":249,"text":890},{"id":904,"depth":249,"text":905},{"id":214,"depth":249,"text":215},"kpis-measurements","Compressed air at industrial plants is delivered by an on-site compressed-air system at typical pressures of 4–10 bar. Two grades exist:",{},[264,935,841],"operating-pressure",{"title":937,"description":938},"Compressed air — utility supply that drives industrial sonic horns","Compressed air at 4–7 bar from plant or instrument-air systems drives industrial sonic horns. Consumption typically 8–14 Nm³\u002Fmin during a firing burst.",[940],{"title":941,"url":942},"Wikipedia — Compressed air","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCompressed_air","glossary\u002Fcompressed-air","Compressed air (industrial)","VK3MuZQNNI5xSm-qw2mupwMxEqfDJo8fJ7Y70fxO-UM",1782613732926]