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Boiler Operation Question And Answer

 
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MessagePosté le: Dim 22 Mai - 01:43 (2016)    Sujet du message: Boiler Operation Question And Answer Répondre en citant




Boiler Operation Question And Answer > bit.ly/1Xp9TW1





Thats...all...we...know.When..the..burner..is..required..to..start..again,..the..increased..starting..pressure..set..point..works..out..very..nicely..because..it..compensates..the..drop..in..boiler..pressure..during..purging..and..lighting..up..timeHTTP.Error.405.-.The.HTTP.verb.used.to.access.this.page.is.not.allowed.Internet.Information.Services.(IIS)Due..to..an..unresolvable..characteristic..of..the..building..control..system,..occasionally..all..of..the..building..steam..valves..open..causing..a..sudden..large..load..on..the..boilers..that..lasts..for..20..to..30..minutesContact.Us.Contact.Us.Help.Suggestions.Affiliates..Answer:..The..salinity..will..rise..rapidly..since..the..salt..remains..in..the..boiler..while..the..water..boils..offThis.heating.cost.moneyHomepage...SlideShare...Channels...Popular...Presentations....Boiler..Questions..and..Answers..Question:....Cavitation..in..a..two..flow..line..We..have..a..steam..genereting..facilty..using..process..heatWhat.will.be.most.economical?.Boiler.pressure.adjusted.to.7.bar.or.to.16.bar.?.Answer:.The.higher.pressure.would.be.advantageous.if.the.boiler.is.oil-fired,.but.the.difference.is.hardly.measurableBoth...requirements...will...be...fulfilled...if...the...transmitter...is...mounted...with...the...high...pressure...measuring...point...connected...below...the...lowest...water...level...and...the...low...pressure...measuring...point...connected...above...the...highest...water...levelThe...outlet...of...the...shell...side...is...a...two...phase...flowall...stop...valves...in...the...line...are...fully...openFor...instance,...diesel...oil...to...a...rotary...cup...burner...wouldn't...doThis...kind...of...problem...is...very...likely...to...occur...when...you...change...fuel...oil...tank...and...some...water...from...a...poorly...drained...pipe...mixes...with...the...heavy...fuel...oilThe...tuning...of...the...controller(s)...is...dependent...on...the...system...you...have,...but...do...not...even...try...to...tune...the...control...loops...until...the...above...criteria...are...fulfilledBoiler...Questions...and...Answers...Question:......Most...likely...source...of...errors...In...which...part...of...a...boiler...control...system...is...it...most...likely...to...get...a...failureTo...compensate...for...the...water...column...in...the...reference...leg...the...output...signal's...zero-point...has...to...be...elevatedA...large...steam...valve...ought...to...have...a...small...by-pass...valve...to...simplify...preheating...of...the...pipeTo...start...up...the...line...you...will...need...a...drain...valve...on...every...30...m...(100...ft)Furthermore...the...signal...shall...be...zero,...and...give...impulse...to...stop...the...burner,...in...case...of...transmitter...malfunction,...power...failure...or...cable...breakdownAre.you.looking.forLets.say.that.steam.pressure.to.deck.line.adjusted.to.5.barBoiler..Questions..and..Answers..Question:....Transport..superheated..steam..Is..it..possible..to..transport..superheated..steam..of..the..order..of..45..t/h..at..30..bar..pressure..and..temp..of..300..deg..from..a..aux..boiler..to..a..distance..of..1.5..Km?..Answer:..Calculate..with..a..velocity..of..15..m/s..(49..ft/s)the.feed.water.control.valve.pressure.drop.is.normalPipe.thickness.reduction.of.the.shell.side.outlet.pipe.is.observed.for.last.couple.of.yearsBoiler.Questions.and.Answers.Question:..Oil.showing.in.the.water.level.gauge.glass.Whilst.on.your.engine.room.rounds,.you.discover.oil.showing.in.the.water.level.gauge.glass.of.an.auxiliary.boilerYou...can...hardly...imagine...the...damage...this...energy...can...causeUnder-sized...control...valves...do...exist,...even...though...over-sized...control...valves...more...often...cause...malfunction...of...automatic...control...loopsBoiler...Questions...and...Answers...Question:......Low...viscosity...fuel...for...high...viscosity...burners...Our...boiler...plant...is...designed...to...be...fired...with...heavy...fuel...oil...of...600...cSt......50CAnswer:..Check..if:..the..control..valve..really..is..fully..open..by..means..of..the..hand-manoeuvre..deviceMy..question..is..how..can..we..maintain..boiler..pressure..and..water..level..while..either..ignoring..or..controlling..the..sudden..false..loadBoiler.Questions.and.Answers.Question:..Running.out.of.boiler.water.chemicals.How.to.operate.auxiliary.boiler.onboard.ship.for.at.least.10.days.period.when.all.boiler.chemicals.are.finished f5880b0734

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MessagePosté le: Dim 22 Mai - 01:43 (2016)    Sujet du message: Publicité

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