1. Operation Condition enfiah
1. Operating Temperature enfiah thin ang che
Heat exchanger inlet leh outlet temperature record fo la, a hnathawhna temperature tak tak chuan design mamawh a tlin leh tlin loh finfiah thin ang che.
Outlet temperature chu normal range atanga nasa taka a inthlak chuan heat transfer area tling lo, flow condition pangngai lo, emaw internal fouling emaw a ni thei.
2. Flow Rate Condition te enfiah thin ang che
Flow tling lo vanga heat transfer performance tlahniam lo turin tui lum leh vawt flow rates chu a stable reng em tih enfiah rawh.
Flow rate tlahniam hi pipeline block vang emaw, filter clogged vang emaw, heat exchanger chhunga bawlhhlawh vang emaw a ni thei.
3. Pressure leh Pressure Drop te enfiah thin ang che
Heat exchanger inlet leh outlet pressure leh pressure drop te hi enfiah fo thin ang che.
Pressure tlahniam sang zel hian internal scaling, sediment accumulation, emaw flow channel blockage emaw a kawk tlangpui.
2. Thil hmanrua dinhmun hmuh theiha enfiah
1. Pawn lam atanga Leakage awm leh awm loh enfiah thin ang che
Heat exchanger shell, flange connection, leh sealing area te chu liquid leakage emaw, corrosion chhinchhiahna emaw a awm leh awm loh enfiah thin ang che.
Thil leakage awm chuan hmanrua tihchhiat emaw, himna atana hlauhawm emaw a awm loh nan chhui nghal tur a ni.
2. Vibration leh Noise pangngai lo awm leh awm loh enfiah thin ang che
Heat exchanger tha taka thawk chu vibration nasa lutuk emaw, ri danglam tak emaw awm lovin a kal tha tur a ni.
Vibration emaw noise pangngai lo chu fluid impact vang emaw, installation lama harsatna vang emaw, internal component chhiatna vang emaw a ni thei.
3. Insulation Condition enfiah thin ang che
Insulation layer chu a chhiat, a hnim, a tlak{0}}off parts te enfiah rawh.
Insulation performance tha hian heat loss a ti tlem a, system pumpui efficiency a ti tha bawk.
3. In chhunga tihfai dan enfiah
1. Fouling leh Scaling a awm leh awm loh enfiah thin ang che
Heat transfer surface-ah hian scale, oil contamination, leh biological fouling ang chi deposit awm leh awm loh enfiah fo thin ang che.
Fouling hian thermal resistance a tipung a, heat transfer efficiency a ti tlem a, energy hman a tipung thei bawk.
2. Operating Condition a zirin Cleaning Plan siam
Plate heat exchanger te hi plate lakchhuah emaw, mechanical cleaning emaw, chemical hmanga tihfai emaw hmangin tihfai theih a ni.
Shell-leh-tube heat exchanger te hi high-pressure water cleaning, chemical cleaning, emaw mechanical method hmangin tihfai theih a ni.
3. Flow Channel Blockage awm leh awm loh enfiah thin ang che
Flow tihtlem leh heat transfer performance tha lo ven nan internal flow passages te chu a chiang reng tur a ni.
Particle emaw bawlhhlawh emaw awmna fluid hmanga system-ah chuan filtration dik tak leh regular flushing te pawh a tel tur a ni.
4. Seal leh Connection enfiah
1. Gasket Condition enfiah thin ang che
Gasket-te chu a upa tawh lo, a deformation, a chhe tawh em, a elasticity a hloh em tih enfiah thin ang che.
Gasket chhia emaw chhe emaw chuan tui lum leh vawt inkara leakage emaw mixing emaw a thlen thei.
2. Bolt leh Fasteners te enfiah thin ang che
Bolt leh nut te chu a lo loose, corrosion, mechanical damage a awm leh awm loh enfiah thin ang che.
Plate heat exchanger tan chuan tightening dimension chu siamtute mamawh angin enfiah la, sealing performance dik tak a awm theih nan.
3. Flange Connections te chu enfiah rawh
Flange chunglam chu a chhiat, a deformation emaw, sealing defect emaw a awm leh awm loh enfiah thin ang che.
Flange condition dik tak chuan rintlak leh leak{0}}free operation neih theih nan a pui thin.
5. Corrosion leh Material enfiahna
1. Corrosion Conditions enfiah thin ang che
Shell, tube, tube plate leh plate te chu corrosion a chhiat leh chhiat loh enfiah fo thin ang che.
Corrosion hian material thickness a ti tlem thei a, a tawpah chuan leakage emaw equipment failure emaw a thlen thei bawk.
2. Operating Media nena Material inmil leh awm loh endik
Fluid hrang hrang hian corrosion effect hrang hrang an nei a, chuvangin medium characteristics a zirin material tha tak tak thlan a ngai a ni.
Entirnan, chloride ion awmna environment-ah chuan stainless steel emaw titanium emaw ang chi corrosion-resistant material tam zawk a mamawh tlangpui.
3. Non-Destructive Testing (NDT) tih tur a ni.
Thil pawimawh tak tak tan chuan ultrasonic thickness tehna leh dye penetrant testing ang chi enfiah dan hman theih a ni.
Non-destructive testing hian chhiatna thup hmuhchhuah a pui a, operational risk a tihziaawm bawk.
6. Performance Testing leh Record vawn dan
1. Heat Transfer Performance test tur a ni
Inlet leh outlet temperature, flow rates, leh operating conditions te thlirletna hmangin heat exchanger performance endik rawh.
Heat transfer efficiency tlahniam hian tihfai, siamthat emaw, operating optimization emaw a ngai tih a tilang tlangpui.
2. Enkawlna Record kimchang tak vawn
Inspection ni, operating parameter, tihfai hnathawh, component thlak danglam, leh repair history te record rawh.
Maintenance record kimchang hian nakin lawka maintenance schedule siam nan leh hmanrua enkawl dan tur a tichangtlung thei a ni.
3. Operating Trends te thlirlet rawh
Hun rei tak-term data analysis hian hlawhchhamna a thlen hmaa performance inthlak danglamna leh harsatna awm thei te hriatchhuah a pui thin.
Operating trend atanga thlirin beisei loh taka downtime tihtlem nan preventive maintenance plan siam theih a ni.
7. Shutdown enkawl dan enfiah
1. Shutdown hmaa inbuatsaihna Maintenance
Heat exchanger chu a thawk tawh lo tih leh fluid zawng zawng a chhuak vek tawh tih leh pressure a chhuak tawh tih finfiah rawh.
Maintenance hna hi temperature sang-temperature sang emaw -pressure sang emaw hnuaiah tih ngai lo tur a ni.
2. Key Components te enfiah thin ang che
Thil hmanrua chi hrang hrang a zirin thil pawimawh tak tak, plate, tube, gasket, tube bundle, leh shell te enfiah thin ang che.
Component chhia te chu a rang thei ang bera thlak emaw siamthat emaw la, rintlak taka hnathawh theih nan.
3. Restart hmain enfiah hmasa phawt ang che
Component zawng zawng chu dik taka dah a nih leh nih loh leh hmanrua chhungah hmanrua emaw thil dang emaw a awm lo tih finfiah rawh.
System chu zawi zawiin restart la, leakage, pressure inthlak danglam dan pangngai lo emaw, operating condition danglam tak emaw a awm leh awm loh enfiah rawh.
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