Hka katsi ai circuit ni a matu nbung shapraw ai ladat ni hpe hkum tsup hkra galaw u

Hka katsi ai circuit kata na nbung gaw nbung hpe pat shingdang ai nbung lock ni hpe shabyin ya nna, nbung hpe grai shayawm ya ai, pump cavitation, pipeline gurgling noise, jak rung ni grai katsi ai majaw pat kau ai zawn re ai n kaja ai lam ni hpe byin shangun ai.

 

Standardized air venting gaw system hpe hpaw hpang ai, hka galai ai hte gram lajang ai hpang na madung ladat langai rai nga ai. Madung tara mali hpe hkan sa nna-gravity- lam matsun ai nbung hpe shapraw kau ai, daw daw hku nna nbung hpe shapraw kau ai, n-gun n law ai-lawan ai hku nbung hpe shapraw kau ai hte bai bai jep joi ai lam ni-hkum tsup ai lam gaw daw manga hpe shinggrup da ai: operation galaw ai shawng hkyen lajang ai lam, shawng nnan lang hpaw ai lam & nbung hpe hpaw ai lam} hku nna, si ai shara ni a matu karum shingtau ai lam, hte aten galu-shani shagu -nbung -hkap rim ai lam hpe hparan ai lam ni hpe galaw ai.

 

Dai gaw, bungli galaw ai ni hta lang ai hpaw da ai hka htung ni, unit hka htung ni hte jak rung hka htung ni zawn re ai hpaw da ai-loop hka htung yawng hpe jai lang ai.

 

 

Pre-operation hkyen lajang ai lam gaw nbung hpe tsep kawp shapraw kau lu na matu npawt nhpang hpe gawgap ya ai. N galaw shi yang, n-gun hpe dawm kau u.pump hte wan wut ai arung arai ni hpe lang nna, nbung nnan hpe hkap la ai jat wa ai nbung n-gun kaba -n-gun jat wa ai nbung hpe bai nhtang wa hkra, circuit medium hpe grup yin nbung n-gun de du hkra katsi shangun u.

 

Expansion tank hte makeup hka tank ni hta hka n-gun hpe jep yu nna, hka hpe standard scale range de bai bang na; grai n law ai ntsin n-gun gaw pump ni hta n kaja ai n-gun (negative pressure) a majaw nbung hpe hkap la nna matut manoi bubbles byin pru wa na re.

 

Pipeline ni hta nbung pru ai shara yawng hpe tup hkrak garan ginhka nna, system a tsaw dik ai shara ni hta jung da ai n hkrat sum ai manual air vent ni, nbung galai ai baw ni, hka garan ai hte hka shinggyin ai baw ni, lung wa ai pipeline ni a inflection shara ni hte jak rung a katsi ai baw ni hpe jep yu u.

 

Automatic air vents ni hpe main circuit a peak kaw prat tup jung da nna, bungli galaw ai shaloi medium kaw na pru wa ai trace gas hpe shapraw kau ya ai, manual vents ni gaw shawng nnan na daw hta nbung law law hpe shapraw kau ai lam hpe galaw ya ai; lahkawng yan hpe hpawng de lang ai gaw, nbung pru ai lam hpe grau kaja hkra galaw ya ai.

 

Dai laman, pipeline n-gun ni hpe jep yu u: n-gun n rawng ai pipeline ni gaw 5‰ hta n yawm ai gradient hpe hkan sa ra ai rai nna, hka gaw nbung pru ai shara ni de n-gun n rawng ai sha lwi wa ai, dai hku nna bubbles ni gaw buoyancy hku nna nbung pru ai shara ni de shingra tara hku nna lung wa lu na re. Reverse slopes (sh) buga ginra hta lup mat ai si ai shara ni hpe yeng seng kau ra ai, n rai yang, bubbles ni gaw pipeline kata hta prat tup shingbyi nga na re.

 

 

Shawng nnan na ntsin jahpring ai daw gaw, n-gun n law ai-point jahpring ai hte kalang ta high-point nbung pru ai masa hpe hkan sa ai. Rapid high-flow water injection hpe grai pat hkum da ai, hpa majaw nga yang, lawan ai hku -lwi ai hka gaw nbung hpe matut manoi shang shangun nna, coils hte elbows kata kaw rawng ai fine bubbles ni hpe byin shangun na re.

 

System a npu na shara kaw na makeup port hku nna katsi ai hka/antifreeze hpe maren mara bang nna, tsan ai branch ni kaw nna main circuit de du hkra, high-point manual nbung pru ai shara yawng hpe lawu lahta hku hpaw dat u. Main circuit nbung pru ai shara ni hpe n galaw shi yang, tsan ai-hpang jahtum na branch ni hta nbung pru ai shara ni hpe ahkyak shatai nna galaw u.

 

Kalang lang hka hte kayau ai nbung gaw shawng nnan hta nbung hpaw ai shara kaw nna pru wa na re. Hpraw ai hka htung (sh) aten kadun laman hka htung ni n lawm ai sha, ngang grin ai matut manoi hka lwi pru wa ai shaloi, pipeline interlayers ni hta rawng nga ai ngam ai gas hpe shapraw kau na matu, hka htung hpe minit 3 daram hpaw tawn da nna, dai hte maren hka htung valve hpe loi loi hte pat kau u.

 

Hpang na branch de n htawt shi yang, branch langai a matu ventilation hpe tup hkrak galaw nna, branch law law hpe kalang ta pat kau ai majaw branch ni hta nbung n shang hkra galaw ra ai. Point yawng hpe shawng nnan nbung shapraw ngut ai hpang, expansion tank kata na medium hpe top up galaw nna, system a pat da ai masa hpe bai gram lajang u.

 

 

 

Shawng nnan na nbung hpe shapraw ai gaw nbung law law hpe sha shapraw kau lu ai, microbubbles ni gaw pipeline elbows hte nbung galai shai ai coil ni a gap ni hta naw rawng nga ai majaw, low-speed circulation hku nna sung ai nbung hpe shapraw ra ai. Circulation pump hpe no-load masa hta hpaw nna, bungli galaw ai aten hpe 30%–50% daram lawan ai hku gram lajang u.

 

Low-velocity flow gaw pipeline ni hpe shim lum ai hku htingnut kau ya nna, minit 10 kaw nna 15 laman matut manoi lwi hkawm na matu tsaw ai-point vent device ni hta shinggyin la na matu, bra ayai mat ai hka htung ni hpe ntsa de htaw sa wa ai.

 

Circulation galaw ai aten hta, manual air vent langai hpra hpe second 10 kaw nna 20 laman lahkawng lang ngu na hpaw dat nna, shinggyin la lu ai nbung hpe shapraw kau ra ai. Nbung shang ai shara hta hka n-gun n hkrat hkra, shara langai hpra hpe n-gun dat ngut ai hpang, medium hpe alawan bai bang u.

 

Industrial closed cooling tower kaba ni a matu, pump hpe 3 kaw nna 5 lang bai hpaw nna jahkring kau u, hpaw ngut ai hpang minit 5 daram n shamu n shamawt ai sha tawn da nna, n-gun n rawng ai hka htung ni hpe tup hkrak rawt wa hkra galaw u, dai hpang low-speed circulation scouring hpe bai galaw hpang u.

 

Coil dead zone kata na nbung lock ni hpe yeng seng kau na matu ndai operation hpe bai galaw u. Hpa majaw nga yang, hka nsen hte unit nbung katsi ai lam n nga ai hpe pipeline ni hta yu maram nga u. N kaja ai nsen n nga mat ai hte n galai shai ai nbung katsi ai lam gaw nbung law malawng hpe shapraw kau sai hpe madun ai.

 

 

 

Auxiliary venting ladat ni hpe, n-gun ja ai-to-vent dead zone ni a matu, aten tup n-gun n-gun n-rawng ai hku nna, n-gun ja ai n-gun n-rawng ai shara ni a matu, n-gun galai ai coil ni, galu kaba ai branch pipe ni hte, -in equipment cold heads ni lawm ai.

 

Hka lum ai jak kaji ni a matu, pipeline peak ni hpe ntsa de tawn da nna, pump hpe lawu na daw hta tawn da na matu, unit hpe loi mi shinggrup da u; unit hpe shadut nna, kata na medium lwi ai hpe shachyut nna, lwi ai lam ni hta rawng ai bubbles ni hpe shapraw kau ai.

 

Industrial hka katsi ai jak kaba ni a matu, 0.03–0.05 MPa lapran na makeup pump hku nna loi mi n-gun dat nna, si ai shara ni hta nga ai bubbles ni hpe nbung pru ai shara ni de shadut dat u. Shutdown gram lajang ai aten hta full medium drainage ngut ai hpang bai hpaw hpang ai rai yang, nbung pru ai shara de n-gun n rawng ai hose langai mi hpe noi da nna, hka pru ai hka hpe makeup tank de woi sa lu na matu hte shara kaw awu asin n byin hkra koi lu na matu; hka lim ai hose kaw na clear bubble-n lawm ai hka pru wa ai shaloi she hka lim ai shara hpe pat da u.

 

Nbung n-gun n-gun n-rawng ai hte n-gun n-rawng ai nbung galai shai ai atsam nga ai asak kaba sai circuit ni a matu, makoi da ai nbung n-gun n-rawng ai lam ni hpe langai hpang langai yeng seng kau lu na matu, pipeline ni hpe daw daw garan nna, daw langai hpra hpe garan nna jahpring nna, nbung hpe shapraw kau ra ai.

 

 

 

Lahkawng lang ngu na nbung shang wa ai hpe pat shingdang na matu hte aten tup gram lajang ai ladat hpe gawgap na matu, nbung hpe shapraw ngut ai hpang aten galu-hpaji jaw ra ai. Shani shagu bungli galaw ai shaloi, expansion tank kata na ntsin a madang hpe masat da ra ai, nbung pru ai shara ni hpe aten kadun laman jep joi ai lam galaw nna, valve core ni n-gun n rawng ai hte hkrat sum ai lam ni hpe koi lu na matu, valve hka htung ni hta limescale hte awu asin ni hpe jasan jaseng ra ai.

 

Makeup hka bang ai shaloi, medium hpe galai ai shaloi, shing nrai, gram lajang na matu pipeline ni hpe garan kau ai shaloi, sectional venting ladat hpe bai galaw u. -aten galu pat da ai hpang, system hpe bai n hpaw shi yang, manual nbung pru ai shara yawng hpe tau hkrau hkum tsup hkra hpaw nna, n-gun n law ai- hka bang ai hte pru ai shara ni hpe galaw ngut ai hpang, system hpe bungli galaw hpang u.

 

Gawgap ai hte gram lajang ai aten hta nbung pru na shara ni hpe tau hkrau hkyen lajang nna, nbung pru ai shara kaw nbung n-gun n-gun shayawm lu na matu, nbung pru ai pipeline yawng hte branch tops yawng hta nbung n-gun n-gun ni hpe tawn da ra ai.

 

 

 

Hkum tsup ai nbung pru ai lam hpe madang masat da ai hku ngut kre ai shaloi, dai system a nbung shingjawng ai lam hpe ninghkap ai atsam gaw, hkrang shapraw da ai masa hku bai nhtang wa nna, pump ni gaw cavitation nsen n lawm ai sha bungli galaw lu ai, nbung galai shai ai jak ni gaw rated nbung htawt sit ai atsam hpe bai lu la ai.

 

Ndai hku galaw ai gaw, nbung lock ni a majaw, jak rung ni grai law hkra n-gun dat ai, n-gun grau jai lang ai hte aten garai n du yang, component ni hpe n-gun n-gun shayawm ai lam ni hpe koi ya lu ai. Nbung pru na matu shortcut ni n nga ai.

 

Hka hpe loi loi hte jahpring ai, daw daw hku galaw ai, n-gun n law ai-hpyen hkawm ai lam hte law law lang bai jep yu ai lam ni gaw hka katsi ai circuit ni kaw na nbung hpe tsep kawp shapraw kau lu na matu hte aten galu -n-gun rawng ai system bungli galaw lu na matu ahkyak ai lam ni rai nga ai.