Katsi ai nta gaw hpa rai ta?

 

Cooling tower ni hpe madung hku nna, katsi ai hka hpe hka lim ai hka hpe hka lim ai shara ni hta hka lim na matu lang ai. Lahta na lam ni gaw, hka hpe refrigeration system ni hta katsi ai nta ni hpe jai lang ai lam hpe hkrak tsun dan ai lam rai nga ai:

Bungli galaw ai npawt nhpang

Refrigeration system ni hta, hka lum ai jak ni hte rau, katsi ai nta ni hpe lang chye ai.

Hka hta gara hku katsi mat ai hka hta, hka katsi ai jak a condenser gaw, katsi ai law law hpe shapraw ra ai. Ndai aten hta, hka pump gaw katsi ai hka hpe sa dat nna, katsi ai hpe hkap la nna, condenser kaw nna katsi ai shara de, katsi ai nta de du hkra jat wa ai. Katsi ai nta kata kaw, hka katsi ai hka hpe hka garan ai ladat hku nna maren mara garan nna, shinggan nbung hpe hka n-gun hte hpring tsup hkra matut mahkai ya ai. Maga mi hku nna, hka katsi ai hka a daw mi gaw hka n-gun de htum mat nna, hka lim ai lam gaw nbung n-gun yawm mat ai hpe hkam la nna, katsi ai law law hpe la kau ya na re. Maga mi hku nna, n-hkap la ai katsi ai hka gaw nbung de nbung de katsi ai hpe htawt sit ya nna, nbung hte nbung katsi ai hku nna nbung katsi ai hpe htawt sit ya ai majaw, shi a katsi ai hpe shayawm ya lu ai. Dai hpang, katsi ai hka hpe condenser de bai pump galaw nna, nbung katsi ai hpe shingjawng ai lam langai hta matut manoi hkam la lu na matu, dai hku nna, hka hpe shayawm kau ai ladat a matu matut manoi katsi ai hpe garan ginhka lu ai.

Hka lum ai nta ni hte shanhte a arawn alai ni hpe gram lajang ai ladat ni hta

Open cooling tower ni: Shanhte gaw hka hte nbung lapran hkrak matut mahkai ai hku nna loi loi sha n-gun rawng ai hte katsi ai hpe yeng seng kau ya ai.

Refrigeration system ni hta, shanhte a akyu ni gaw manu n law ai hte n-gun n rawng ai; n kaja ai lam ni gaw, hka n-gun gaw hka n-gun hpe shinggyin la lu ai, dai gaw n-gun n-gun n-gun n-gun n-gun n-gun hte n-gun n-gun n-nga ai, hka hpe ayan na tsi lajang ra ai, hka n-gun yawm mat ai lam kaba nga ai. Dai ni hpe hka n-gun n law ai hte manu kaba ai hpe hkam sha lu ai, hpaga lam hta n-gun n law ai, hpaga lam nkau mi hta nbung n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-nga ai. Hka lum ai hka lum ai nta ni: Hka lum ai hka htung gaw pat da ai coil langai hta lwi nga ai, nbung laru galai shai ai lam hpe coil bunghku hku nna shinggan hka hte nbung hte galaw ai.

Refrigeration system ni hta, closed cooling tower ni a akyu gaw, katsi ai hpe n san seng hkra pat shingdang lu ai, hka a hkam kaja lam mung ngang grin nga ai. Dai ni gaw, tsi hpaga lam hta hka n-gun grai ra ai system ni a matu htuk manu ai. Raitim, pat da ai katsi ai nta ni hta manu grau law ai, coil thermal resistance nga ai majaw, shanhte a katsi ai hpe htawt sit ai atsam gaw hpaw da ai wan n-gun hta loi mi yawm ai.

Cross-flow katsi ai nta ni: Nbung gaw filler layer hku nna n-gup magap hku lwi nna, dingyang hkrat wa ai hka lwi ai hpe matut mahkai ya ai.

Refrigeration system ni hta, cross{0}}flow katsi ai nta ni hta nbung hpe n-gun n law ai, fan n-gun n law ai, jung na matu hte gram lajang na matu shim lum ai. Operation unit ni a jahpan hpe refrigeration system a lit hte maren, n-gun n rawng ai hku gram lajang mai ai, dai ni hpe hpaga yumga nta kaba ni a hka lim ai shara a hka n-gun hpe shayawm ya ai ladat ni hta lang chye ai.

Counter-flow katsi ai nta ni: Nbung gaw lawu kaw nna ntsa de lwi nna, hka gaw ntsa kaw nna lawu du hkra lwi ai. Dai lahkawng hpe nhtang hku matut mahkai ai lam gaw heat galai na matu re. Ndai zawn re ai cooling tower gaw heat exchange efficiency grai law ai, shi a volume gaw cooling bungli langai sha a npu hta loi mi sha nga ai, raitim, shi gaw fan performance hte operation galaw ai aten hta grau law ai nsen ni a matu ra kadawn ai lam ni grau law ai. Dai hpe industrial refrigeration hta grai law hkra jai lang ai,{4}}scale refrigeration shara kaba ni hte kaga hka n-gun shayawm ai ladat ni hta grai law hkra jai lang ai.

Hka lum ai shara ni hta katsi ai nta ni a lit

Refrigeration system a ngang grin ai bungli hpe gram lajang ai: Kaja ai nbung katsi ai lam hpe n-gun jaw ai hku nna, condenser a n-gun hpe hkam la mai ai shara kata hta hkang zing da ai, n-gun rawng ai hka n-gun hte n-gun n-gun hpe hkam la lu hkra, refrigeration compressor a n-gun hpe hkam la lu na matu, refrigeration system hpe pat shingdang lu na matu pat shingdang lu na matu pat shingdang lu ai, grai katsi ai majaw byin pru wa ai n-gun grai law ai a majaw refrigeration system hpe pat shingdang lu na, refrigeration jak ni hpe matut manoi hte ngang grin hkra galaw lu na hpe kam mai ai.

Refrigeration system a n-gun atsam hpe grau kaja hkra galaw ya ai: Htap htuk ai katsi ai nta npawt gaw, hka lum ai hka hpe kaja dik ai bungli galaw ai shara hta tawn da ya lu nna, refrigeration system a condensation temperature hpe shayawm ya lu ai. Refrigeration npawt tara ni hku nna, condensation nbung laru hpe shayawm ai gaw, compressor a n-gun hpe shayawm ya lu ai, compressor a n-gun jai lang ai lam hpe shayawm ya lu ai, dai hku nna refrigeration system ting a n-gun jai lang ai atsam hpe grau kaja hkra galaw ya lu nna, bungli galaw ai manu hpe shayawm ya lu ai.

Analysis hte makawp maga ai lam

Katsi ai nta ni a arung arai ni gaw, yawng hkra carbon steel, stainless steel, copper ni rai nga ai. Carbon steel tube sheet hpe katsi ai nta langai mi hta lang ai shaloi, tube sheet hte tube lapran na weld gaw, n-gun n rawng ai hte hka lim ai lam law law nga ai. Hka lum ai hka htung de lwi shang wa ai gaw grup yin hpe awu asin byin shangun nna, arung arai ni hpe jahten kau ya na re.

Katsi ai nta ni hpe galaw shapraw ai hta, tube sheets hte tubes ni hpe welding galaw ai shaloi, manual arc welding hpe madung tawn nna, weld hkrang gaw myit daw myit hten ai, pores, hte slag inclusion zawn re ai n kaja ai lam amyu myu nga ai, weld stress hpe garan ginhka ai lam mung n bung ai. Dai lang ai aten hta, tube sheet daw gaw, bungli galaw ai shara ni hta katsi ai hka hte matut mahkai nga ai, n san seng ai, sau, nbung n-gun, n-gun n rawng ai hka kata na n-gun n rawng ai lam ni gaw, tube sheet hte weld ni hpe n-gun n rawng hkra galaw ya na re. Hpaji sawk sagawn ai lam ni hta, hka san (sh) panglai hka rai tim, ion amyu myu hte hka lim ai oxygen lawm ai, chloride ions ni a n-gun galai shai ai lam ni gaw, n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun hpe hkam la lu ai lam hpe mu lu ai. Dai hta n-ga, n-gun n-gun gaw n-gun n-gun hpe mung hkra machyi shangun na re.

Anti{0}}corrosion manghkang hpe katsi ai shara ni hpe hparan na matu, htunghking ladat gaw madung hku nna welding hpe gram lajang ai, raitim, gram lajang ai lam gaw, hka lim ai shara hta kata na n-gun hpe shayawm ya lu ai, dai hpe yeng seng kau na matu yak ai, katsi ai tower tube sheet weet a re{1}}leakage byin shangun chye ai. Ya aten hta, dingdung mungdan ni gaw, makawp maga na matu, polymer composite arung arai ni hpe law malawng lang ma ai.

jasan jaseng ai

Hka lum ai hka law malawng hta calcium, magnesium ions, bicarbonates ni lawm ai. Hka lum ai hka gaw magri ntsa hku nna lwi pru wa ai shaloi, carbonate byin wa ai. Dai hta n-ga, katsi ai hka hta hka lim mat ai oxygen gaw, magri mang n-gun hpe mung shabyin ya nna, n-gun n-gun hpe mung byin shangun na re. Rust hte scale byin pru wa ai majaw, katsi ai nta a nbung galai shai ai lam yawm mat ai. Grai sawng ai masa hta, hka lim ai hpe n-gup magap shinggan de hka lim ra ai, grai sawng ai scaling gaw pipe ni hpe pat kau ya nna, nbung galai shai ai a akyu hpe n kaja ai hku galaw ya lu ai. Hpaji sawk sagawn ai jahpan ni hta, scale deposit ni gaw, katsi ai hpe htawt sit ai lam hta grai hkra machyi ai, gumhpraw law wa ai majaw, n-gun manu ni law wa na re. Scale n-gun n law ai sha pyi, dai jak a scaled daw a bungli galaw ai manu hpe 40% jan jat ya na re. Hka lum ai lam ni hpe n-gun n rawng ai sha tawn da ai gaw, n-gun atsam hpe kaja hkra gram lajang ya lu ai, n-gun hpe hkye la lu ai, arung arai ni a daw jau ai prat hpe jat ya lu ai, galaw shapraw ai aten hte manu jahpu ni hpe mung hkye la lu ai.

Aten na na wa, htunghking hku galaw ai ladat ni rai nga ai jak rung ladat ni (scraping, brushing), n-gun kaba ai hka, hte chemical jasan jaseng ai lam (acid pickling) zawn re ai ladat ni gaw, san seng ai arung arai ni hta manghkang law law nga ai: shanhte gaw, n-gun n rawng ai hte kaga gumhpraw ni hpe tsep kawp n mai shaw kau ai, acid hparan ladat gaw, jak rung ni hpe galai shai shangun nna, hka htung ni hpe byin shangun nna, hka htung ni hpe lahkawng lang ngu na n-gun shayawm ya ai (sh) n-gun n rawng ai lam ni hpe byin shangun nna, dai arung arai hpe n-gun n jaw ai (sh) hpang jahtum e, arung arai ni hpe galai shai ai lam de woi sa wa ai. Dai hta n-ga, hka hpe jasan jaseng ai gaw, n kaja ai hka hpe jasan jaseng ai gaw, hka n san seng ai lam a matu gumhpraw law law ra ai. Lahta na masa hpe mahtai jaw ai hku nna, mungdan kata hte maigan shakut shaja ai lam ni hpe magri ni hpe n-gun n law ai hku san seng hkra galaw ai ni hpe galaw shapraw wa sai rai nna, awng dang ai hku rawt jat wa ai gaw Fushitai克 jasan jaseng ai tsi rai nga ai. Dai hta, n-gun ja ai, grup yin hpe makawp maga ai, shim lum ai, n-gun n rawng ai ngu ai atsam ningja ni nga ai. Dai gaw kaja ai san seng ai lam nga ai sha n-ga, jak ni hpe mung n-gun n jaw ai majaw, katsi ai nta hpe aten galu lang ai hpe mung kam mai ai.