Closed-Loop Hka Hkrang Hkrang Ni Hka Hkrun Lam Hta Na Kun?

Closed-loop hka katsi ai jak hpe nbung hpe garan ginhka lu na matu, hkum tsup ai hku pat da ai pipeline ni hpe bang da ai. Theory hku yu yang, leak-n lawm ai sha aten galu bungli galaw lu ai. Raitim, jak rung arung arai ni, jung da ai bungli, bungli galaw ai lam & gram lajang ai lam ni hte bungli galaw ai masa galai shai ai lam ni lawm ai lam law law a majaw hkra machyi hkrum ai majaw, hka lim ai lam ni gaw naw byin nga ai.

 

Raitim, shi a leakage modes hte volumes ni gaw hpaw da ai cooling system ni hta grau n-gun n rawng ai. Ndaiarticle hpe tup hkrak sawk sagawn aiclosed-loop hka katsi ai ladat ni a hka lim ai lam amyu myu, hka lim ai shara, rudi lam, hkrit tsang hpa lam ni hte makawp maga & hkang zing ai lam ni a ningmu hku nna hka lim ai lam ni hpe sawk sagawn ai.

 

 

 

 

I. Closed-Loop hka katsi ai ladat ni hta hka pru ai lam lahkawng

 

 

Closed-loop hka katsi ai ladat hta, laksan hka n-gun lahkawng lawm ai: pat da ai kata na process shingjawng ai n-gun hte shinggan de hka garan ai n-gun,kadai a leakage galaw ai lam nigaw tsep kawp shai ai. Dai kata na process circulation circuit gaw san seng ai hka, hka n-gun n rawng ai hka (sh) antifreeze hpe n-gun rawng ai hku jai lang nna, n-gun rawng ai hku pat da ai npu hta bungli galaw ai. Kalang lang galaw ai shaloi, hka lim ai lam n nga ai, dai majaw, system makeup tank a hka n-gun (liquid level) gaw ngang grin nga ai.

 

Liquid level matut manoi hkrat sum ai gaw kata kaw na hka pru ai hpe madun ai. Kata na hka pru ai lam gaw law malawng gaw n law htum kaba ai -scale hka pru ai lam hte kaji ai hka pru ai lam hku nna dan dawng wa nna, ngang kang ai makoi magap ai lam hpe madun dan ai.

 

Shinggan na hka garan ai maga de gaw hpaw da ai hka shinggyin la ai hkrang hpe hkap la ai. Hka shinggyin ai tray ni, spray pipeline ni hte makeup valve ni kaw na hka lwi pru wa ai hte lwi pru wa ai gaw, myi hte mu lu ai exposed leakage rai nga ai, dai gaw shara kaw grau law ai leakage amyu langai mung rai nga ai.

 

 

 

II. Madung System Hka pru ai shara ni hte rudi lam ni

 

 

Pipeline matut mahkai ai shara kaw hka pru ai

 

Flanges, threaded joint ni hte lawan ai hku matut mahkai ai lam ni gaw -hkum tsup ai hka pru ai shara ni rai nga ai. Hpaga rung kaw hpawng de ai aten hte .-shara hta hka htung,skewed gaskets, asak kaba sai sealing pads ni hte n bung ai bolt hpe n-gun dat ai n-gun gaw, katsi ai hte katsi ai hpe galai shai ai npu hta pipeline jat wa ai kaw na gap hkat ai lam ni hpe shabyin ya nna, hka lwi pru wa shangun na re.

 

Galu - aten galu cyclic tsaw-npu katsi ai bungli masa npu hta, rubber hpe pat da ai arung arai nikaw nna 5 ning laman ngang kang nna daw mat na re, hka hpe loi loi hte lwi shangun ai. Pinhole ni lawm ai carbon steel pipeline ni hta weld seams ni gaw, n-gun dat hte galaw ai shaloi hka hpe loi loi hte lwi shangun na rai nna, shawng nnan na daw hta pipe bunghku ni hta hka nsam ni sha ngam nna, dai hpe mu na matu yak ai.

 

 

 

 

 

Core Heat galai shai ai arung arai ni kaw na hka pru wa ai

 

 

Hkap pat da ai katsi ai nta ni a coil ni gaw, n-gun rawng ai nbung galai shai ai core ni hku nna magam gun nna, law malawng gaw n-gun n rawng ai n-gang (sh) carbon n-gang hte galaw da ai.

 

Hka hpe n-gun n rawng hkra n galaw yang, hka kata na calcium hte magnesium ions ni gaw scale byin wa nna, buga ginra hta n-gun n rawng ai lam byin shangun na re; shing nrai, hka htung kata na chloride ions ni gaw, hka htung ni hpe n-gun n rawng hkra galaw nna, kaji kajaw hka htung ni hpe shabyin ya na re.Pipe bunghku ni hte woi awn ain-gun rawng ai hka lim ai hka kata de shang wa ai -leakage hpe lai di na matu.

 

Asak kaba sai sealing gaskets ni hte plate heat exchanger ni a plate ni hta n-gun yawm mat ai hka htung ni mung media lahkawng hpe shada da lwi shangun na re.

 

 

 

 

Valve ni hte jak rung arung arai ni lwi pru wa ai

 

 

 

Globe valve, ball valve, wan jak makeup valve, n-gun shadawn jak hte hka lwi ai hpe chye ai jak ni hpe pat da ai shara ni hta hka lim wa chye ai. Valve packing gaw aten galu-n-gun jat wa ai hte katsi ai n-gun jat wa ai npu e elasticity hpe sum mat ai majaw, valve npawt nhpang ni hku nna hka n-gun yawm wa ai.

 

N kaja ai float makeup valve ni gaw hkum tsup hkra n mai hpaw ai majaw, hka shinggyin ai hka htung ni de matut manoi hka lwi shang wa nna, hka garan ai maga de hka hpe n sim n sa sum mat shangun ai.

 

Nbung pru ai valve ni hpe n mai pat ai majaw, nbung hpe pipeline ni de htingnut shangun ai shaloi hka lwi pru wa nna, n hkru n kaja ai masa byin wa ai.

 

 

 

 

Hka tank ni hte hka shinggyin la ai hka htung ni a hkrang masa hku nna lwi pru wa ai

 

 

 

Buffer jat ai tank ni hta n-gun n rawng ai weld seam ni hte n-gun rawng ai anti-n-gun rawng ai coating ni gaw, n-gun rawng ai hka lim ai lam byin shangun ai.

 

Tower spray hka shinggyin ai tray ni a lawu gaw spray hka hte aten galu-matut hkat ai majaw, npu na n-gun n rawng ai hte splicing gaps ni hta sealant hkrat mat ai, dai gawlawu kaw na lwi pru wa shangun aihte ga ntsa e prat tup hka htung nga ai.

 

Katsi majan aten hta ngam ai hka hpe tsep kawp n shapraw kau yang, nbung katsi ai gaw tank hkum hkrang ni hte pipeline ni hpe gang je kau nna, akajawng sha hka law law pru wa na re.

 

 

 

 

 

Masha a shut ai lam hte n sadi ai sha gram lajang ai majaw hka pru wa ai

 

 

 

Pipeline hte heat exchanger ni a rated pressure hta grau ai system bungli galaw ai n-gun grai law ai gaw, pat da ai arung arai ni hpe shinggrup nna, hka lwi shangun ai.

 

Unit hpe ayan hpaw nna pat kau ai gaw, pipe joint ni hpe bai kahtap nna gang shadut ai pressure surge ni hpe shabyin ya ai. Shani shagu n tara ai hku jep yu ai gaw, aten ladaw ni na wa ai hte maren, hka lim ai lam kaji ni hpe dan dawng ai hka lim ai lam de jat wa shangun ai.

 

N kaja ai antifreeze ratio gaw, magri hpe lawan ladan n-gun yawm shangun nna, pipe bunghku hpe hkra machyi shangun nna, grau nna hka pru wa shangun ai.

 

 

 

 

 

 

III. Hpaw da ai-Loop hka katsi ai ladat ni a hka pru ai majaw byin pru wa chye ai tatut hta byin wa chye ai tsin-yam ni

 

 

 

Kaji dik ai kata na hka lim ai lam gaw, san seng ai hka (sh) ethylene glycol antifreeze hpe matut manoi sha kau ya ai majaw, hka hpe chyahkring hkring bai jat bang ai majaw, hka hpe jasan jaseng ai manu grau law wa ai.

 

Antifreeze sum mat ai gaw anti-hkum hkrang n-gun hpe shayawm ya nna, katsi majan aten hta pipeline ni htum mat na hkrit tsang hpa ni hpe shabyin ya ai. Cross-coils ni a cross-leakage gaw process medium hpe hka garan ai hka de kayau nna, hka garan ai hka hpe awu asin di kau ya nna, katsi ai nta kata na scaling hte corrosion hpe lawan ladan byin shangun ai.

 

Spray maga de n hkring n sa lwi pru wa ai hte lwi pru wa ai gaw, hka htung hka jai lang ai lam hpe jat shangun nna, ga ntsa na hka htung gaw jak rung a npawt nhpang ni hpe jahten kau ya nna, wan n-gun n-gun n-gun shayawm ai lam a makoi magap da ai hkrit tsang hpa ni hpe shabyin ya ai. Grai sawng ai perforation leakage a majaw, n-gun grai yawm mat nna, n-gun galai shai ai atsam n law ai majaw, hka hkin gau npu na arung arai ni hpe n-gun ja ai-temperature pat kau ya nna, galaw shapraw ai lam hpe sum mat shangun ai..

 

 

IV. Hkap pat da ai-Loop Cooling System Leakage a matu makawp maga, hkang zing ai hte tsi lajang ai ladat ni

 

Shawng nnan lata ai aten hta, n-gun n rawng ai n-gang pipeline ni hte n-gun ja ai sealing gaskets ni hpe grau ra sharawng ma ai. Piping galaw ai shaloi flange bolt ni hpe maren mara ngang ngang jum da ra ai, weld seam ni hpe mung -n-gun n rawng ai passivation tsi lajang ra ai.

 

Scaling hte corrosion hpe shayawm na matu hka hpe hka garan na matu softened water treatment device hpe jung da ra ai. Shani shagu galaw ai hte gram lajang ai lam a matu, hka n-gun hpe sadi jaw ai jak ni hpe, hka n-gun kaji ai hpe lawan ladan tawn da lu na matu, kata na hka n-gun jat wa ai tank ni a n-htuk n-htuk ai hka n-gun hpe shi hkrai shi sadi jaw na matu, hka n-gun hpe sadi jaw ai jak ni hpe gram lajang da ra ai.

 

Valve stem, joint hte hka shinggyin ai tray ni hpe hka n-gun n nga ai hpe ayan jep yu nna, asak kaba sai sealing components ni hpe shaning shagu galai shai ra ai. Katsi majan pat ai aten hta ngam nga ai pipeline hka hpe tsep kawp shapraw kau nna, anti-freezing a matu wan n-gun n-gun hpe hkan tam ai hpe jung da u.

 

 

 

 

Rated range kata na system bungli galaw ai n-gun hpe ngang ngang jum tek da nna, n-gun grai law ai majaw byin pru wa ai sealing structure ni hpe hkra machyi ai lam n byin na matu. Seepage byin wa ai shaloi, sealing galaw ai arung arai ni hpe galai nna, welded galaw da ai hten za mat ai pipeline ni hpe aten dep gram lajang ra ai. Corroded hte perforated coils ni hpe npawt nhpang hku nna n-gun n-gun hpe chyam dinglik nna gram lajang ra ai.

 

 

 

 

Tsun ga nga yang, closed-loop hka katsi ai ladat ni gaw tsep kawp n-gun n rawng ai arung arai ni n re. Asak kaba wa ai sealing daw ni, n-gun n rawng ai hte n-gun n rawng ai ni yawng gaw hka lwi shangun ai. Raitim, madang masat da ai hku jung da ai hte ayan gram lajang ai gaw, hka lwi ai hpe grai npu de shayawm kau ya lu nna, hka lwi ai lam hta hkra machyi ai lam ni hpe grai shayawm ya lu nna, katsi ai jak ni hpe ngang grin ai hte aten galu-bungli galaw lu na matu madi shadaw ya lu ai.