Closed hpe pat kau ai-} Closed katsi ai nta ni hpe lata ai

"3" pat kau ai mara ni a mara ni hpe mu ai.

Pitfall 1: Coil arung arai ni hpe grai sawng hkra lata ai majaw, n-gun n rawng ai n-gun n-gun yawm mat nna, pat da ai-} grup yin katsi ai tower coil a hka n-gun;

Pitfall 2: Medium hta antifreeze n bang ai majaw, katsi majan aten hta jak ni hpe pat kau ai hpang, n-gun hpe katsi shangun ai majaw, coil hpe gap kau ai;

Pitfall 3: Hka lim ai hka n-gun hpe shut ai hku sawn la ai majaw, wan n-gun jai lang ai manu ni grai law wa ai.

Closed Closed tara upadi ni a npawt tara ni hpe n-gun jaw ai lam

pat da ai-} grup yin katsi ai nta ni gaw, n hkrak ai nbung laru galai shai ai hku nna, katsi ai hpe lu la ai. Hka lim ai hka (sh) ethylene glycol zawn re ai) gaw pat da ai coil langai hta lwi ai, hka lim ai hte nbung n-gun hpe garan kachyan ai hku nna katsi ai hpe la kau ya ai. Closed{3}}} grup yin katsi ai nta ni a madung npawt tara gaw, nbung laru galai shai ai lam, hka n-gun shayawm ai lam, nbung lwi ai lam ni hpe madung tawn ai.

Nbung laru galai ai ladat

1.1 Hka hpe htaw sa ai aten

closed-} grup yin hka katsi ai nta ni hta, hka hpe katsi ai hpe htawt sit ai ladat hku nna lang chye ai. Katsi mat na matu ra ai arung arai (sh) system kaw na katsi ai (industrial arung arai ni, nbung n-gun jat ai ladat ni a condenser zawn re ai ni) hpe shawng nnan e shinggrup hkawm ai hka de htawt bang ai.

Shinggan grup yin hte hkrak matut mahkai ai lam n nga ai sha, pat da ai masa hta lwi nga ai hka lwi ai lam gaw, hka a hkam kaja lam hpe ngang grin hkra galaw ya lu nna, n san seng ai lam ni hpe n mai shang wa hkra makawp maga ya lu ai.

1.2 Heat Exchanger a lit

Heat exchanger a madung bungli gaw, jak rung kaw na hka hpe shinggrup hkawm ai hka de atsawm sha htawt sit ya na matu re.

Hpa majaw nga yang, n-gun n-gun hpe n-gun dat galai ai shara de shang wa ai shaloi, nbung hpe htaw ai hka gaw, n-gun n-gun n-gun n-gun jat ai shara (hka n-gun grau tsaw ai maga) kaw nna, n-gun grau tsaw ai shara (cooling fluid maga) de htawt sit wa ai. closed-} grup yin katsi ai nta ni hta, katsi ai ntsin gaw nbung hpe law malawng lang ai, raitim, hpaw da ai katsi ai nta ni hte n bung ai sha, nbung gaw grup yin hka hpe hkrak n matut mahkai ai.

Hka hpe n-gun jaw ai lam

2.1 Coiling Coil hte Spray System

Dai katsi ai hpe pat da ai-}} grup yin katsi ai nta langai mi hta, n-gun rawng ai hkrang (sh) kaga hkrang ni hta, katsi ai nta kata kaw tawn da ai, n-gang hte galaw ai. Hka lum ai hka gaw coil kata de lwi shang wa nna, coil shinggan na nbung hte katsi ai hpe galai shai ya ai.

Dai katsi ai nta hta hka htung hka htung kaji langai hpe hka htung hka htung ni de garan bang ya ai spray system hte hpaw da ai. Ndai hka htung ni gaw coil a ntsa kaw hka sumla hkrung langai mi hpe hpaw ya ai. Nbung gaw coil hku nna tower a fan a action npu kaw lai wa ai shaloi, hka htung ni gaw nbung hte matut mahkai wa ai.

2.2 Evaporative Nang hpe n-gun jaw ai lam a npawt tara

Hka lim ai hka htung ni gaw nbung hte matut mahkai wa ai shaloi, hka gaw hka lim mat nna, hka lim ai lam gaw katsi ai law law hpe hkap la ai, dai gaw coil kata na shinggrup nga ai hka a katsi ai kaw na pru wa ai.

Hka lim ai hte rau, coil kata na shinggrup hkawm ai hka a n-gun gaw loi loi hte yawm mat wa ai. Hka lum ai hka gaw pat da ai system kata de hkawm sa wa nna, katsi na matu ra ai arung arai ni de bai nhtang wa nna, jak kaw na katsi ai hpe bai hkap la nna, ndai shingra tara gaw matut manoi katsi ai hpe matut nna lu la nga ai.

Nbung laru a lam

3.1 Fan a lit

Fan gaw madung hku nna katsi ai nta kata na nbung lwi ai lam hpe n-gun jaw ya ai. Fan hpe gaw, katsi ai nta ntsa (sh) maga de jung da ai, shinggan nbung hpe tower kata de shaw la na matu, rotation hku nna n kaja ai n-gun hpe shabyin ya ai.

Katsi ai nta de shang ngut ai hpang, nbung gaw katsi ai coil hte spray shara hku lai wa ai. Fan a shinggrup ai lawan ai hte nbung n-gun hpe nbung hte hka lapran na nbung galai shai ai lam hpe hkang lu na matu teng sha ra kadawn ai lam ni hte maren galai shai mai ai.

3.2 Nbung hte Hka lapran na nbung laru galai shai ai lam hpe garan ginhka ai lam

Katsi ai nta hta, nbung hte hka gaw, n-gun n-gun n-gun galai shai ai lam hpe galaw ya ai. Nbung gaw lawu kaw nna ntsa de lwi ai, hka gaw ntsa kaw nna lawu du hkra lwi ai (coil kata kaw). Ndai hkrit tsang hpa masa gaw nbung hte hka lapran na nbung laru shai hkat ai lam hpe grai n-gun n rawng hkra galaw ya lu ai majaw, nbung laru galai shai ai atsam hpe grau kaja hkra galaw ya lu ai.

Closed closed-} Closed katsi ai nta ni hpe hkrang shapraw ai lam

Coil: N-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai n-gang (sh) magri hka htung 304) hpe n-gun n-rawng ai arung arai ni galaw da ai, dai hta n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai n-gup n-gu n-gun n-nga ai;

Spray system: Hka lum ai hpe coil ntsa de n-gun n rawng ai hku hka ja ai;

Fan: Nbung lwi ai lam hpe atik anang galaw ai (axial (sh) centrifugal fan);

Hka tank: Hka lim ai hka hpe shinggyin nna shinggrup ai;

Filler: Hka hte nbung lapran na matut mahkai shara hpe jat ya ai;

Hkrak ai n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai shara

Hpa majaw nga yang, n-gun n rawng ai n-gun hpe n-gun jaw ai. Hka hpe dingdung maga de na hka n-gun hku nna lang nna, ethylene glycol n-gun hpe dingdung maga de lang ai.

Hka a hkum hkrang hte seng ai masat masa ni

Parameter	Manu (20℃)	Manu (40℃)	Engineering hpaji
Density (ρ)	998 kg/m3	992 kg/m3	Pump n-gun hte hka lwi ai lam hpe sawn la ai lam hpe hkra machyi shangun ai
Hka lum ai atsam (Cp)	4.18 kJ/(kg·℃)	4.18 kJ/(kg·℃)	Hka lum ai hpe sawn la na matu core parameter .
Thermal conductivity (λ)	0.598 W/(m·℃)	0.630 W/(m·℃)	Coil katsi ai hpe htawt sit ai atsam hpe hkra machyi shangun ai
Dynamic n-gun (μ)	1.002×10⁻3 Pa·s	0.653×10⁻3 Pa·s	Hka lwi ai hpe ninghkap lu ai atsam hte n-gun yawm ai lam hpe dawdan ya ai
Freezing point	0 degree	-	Katsi majan hpe antifreeze galaw na matu ahkyak ai
hka lum ai lam	100 degree	-	-

Myit yu na lam: Hka a hkum hkrang masa gaw nbung katsi ai hte grai galai shai mat ai. Ga shadawn, n-gun n-gun gaw 1.787×10⁻ 0℃hte 0.467×10⁻3 Pa·s 60℃hte 0.467×10⁻ hpe; thermal conductivity gaw 100℃hta 0.68 W/(m·℃) de hkrat mat ai.

Ethylene glycon ntsin a hkum hkrang masa (20℃)

Parameter	Manu tawn ai	Hka san hte shingdaw yang galai shai ai lam	Design hpe ahtu hkra ai
Density (ρ)	1070 kg/m3	+7%	Pump power hpe 8% daram jat ra ai.
Hka lum ai atsam (Cp)	3.45 kJ/(kg·℃)	-17%	Dai hte maren nbung laru n-gun langai sha a matu grau kaba ai hka lwi ai lam ra ai.
Thermal conductivity (λ)	0.39 W/(m·℃)	-35%	Katsi ai hpe htawt sit ai atsam hpe shayawm ya ai
Dynamic n-gun (μ)	3.5×10443 Pa·s	+450%	Hka lwi ai hpe grai ninghkap ai lam law wa ai

Ethylene glyco n-gun hte katsi ai shara lapran na matut mahkai lam

Ethylene glyco n-gun rawng ai	Pyaw ai shara (℃)	Hka lum ai shara (℃)	Application masa ni
30%	-15	106	General antifree ra ai
50%	-37	110	Katsi ai shara ni (sh) n law ai- aten kadun bungli galaw ai masa ni
60%	-55	113	Extreme low- aten kadun grup yin ni

Myit yu na lam: Ethylene glycon n-gun grau law wa yang, katsi ai shara mung yawm wa ai, raitim, n-gun gaw grai jat wa ai (Hpraw ai wa a-head pump hpe ra ai); ethylene glycol gaw magri ni hpe loi mi n-gun n rawng ai majaw, n-gun n rawng ai hpe pat shingdang ai (borate zawn re ai) ni hpe bang ra ai (sh) n-gun n rawng ai n-gang-}nickel alloy coils ni hpe lang ra ai; katsi ai shara ra ai lam ni gaw ethylene glycon n-gun hpe dawdan ya ai, raitim, n-gun law ai gaw pump n-gun hpe grai law hkra jat ya lu na re; shi hpe n-gun n-gun hpe n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai n-gup n-gu a n-gup n-gu a n-gup n-gu ni hpe grau kaja hkra galaw na matu hpaji jaw da ai; ethylene glycol a heat transfer coefficient gaw hka san hta 30%-40% yawm ai majaw, coil area (sh) nbung n-gun hpe jat ra ai.

Hkrak ai Ga baw ni, Material ni, Material ni, byin pru wa ai lam ni hte n kaja ai lam ni a n kaja ai lam ni .

(1) Hkalup ai Tubes (Red Copper Tubes)

Akyu ni:

Kaja dik ai thermal conductivity: Red copper tubes ni gaw thermal conductivity grai law ai (380 W/m·k) nga ai, nbung laru galai shai ai atsam grai law ai, nbung laru n bung ai masa ni a matu htuk manu ai.

N-gun ja ai n-gun n-gun hpe ninghkap lu ai: Hka kaw na n-gun n-gun n-gun n-nga ai, acid/alkali media n-gun n-gun n-nga ai, aten galu magam bungli galaw ai (galaw madang 20 ning jan) nga ai.

N-gun ja ai jak rung atsam ni: Thin- yawng hpe galaw da ai (8{2}}10mm) raitim, n-gun ja ai, kungkyang ai welding hpaji (silver-based welding rods) hte sealing galaw ai lam kaja ni lawm ai.

N lu ai lam ni:

Manu dan ai: Copper gaw manu dan ai, shawng nnan hta n-gun n rawng ai steel tubes hta na htam 1.5 daram bang ai.

Relatively heavy: Dai nsen langai sha a stainless steel tubes ni hta grau li ai, n-gun rawng ai n-gun hpe jat bang na matu madi shadaw ai hkrang ni hpe jat bang ra ai.

(2) N-gu n-gu Tubes (304/316L)

Akyu ni:

Grau nna 316L stainless steel gaw n-gun ja ai acid hte salt spray zawn re ai n hkru n kaja ai makau grup yin ni hpe hkam sharang lu ai, 15-20 ning tup daw jau ai prat nga ai.

pressure{0}}bearing n-gun: tsaw ai maga de bungli galaw ai masa hpe hkam jan lu nna, n-gun n rawng ai.

N lu ai lam ni:

Thermal conductivity n law ai: thermal conductivity (16 W/m·k) hta coil area (sh) nbung n-gun hpe jat wa na matu ra ai.

Yak hkak ai lam: Welding gaw argon arc welding hpaji ra ai, hpaji masa ra kadawn ai lam ni grai law ai, myit ru myit tsang lam ni hpe n-gun jaw ai lam ni hpe mung byin chye ai.

(3) Carbon Steel Tubes (Galvanized)

Akyu ni:

Manu n law ai: Manu gaw magri hka htung 1/3 kaw nna 1/2 daram sha rai nna, budget n law ai bungli masing ni a matu htuk manu ai.

Loi ai hku galaw ai: Lawan ai hku install galaw na matu htuk manu ai weld hte cut galaw na matu loi ai.

N lu ai lam ni:

N kaja ai lam hpe ninghkap lu ai: Galvanizing gaw magam bungli prat hpe galu kaba wa hkra galaw ra ai, raitim, aten galu hta n-gun n rawng ai lam naw byin chye ai (service prat gaw 5-8 ning daram rai sai).

Hpa majaw nga yang, n-gun ja ai n-gun gaw, n-gun n rawng ai majaw, n-gun n-gun hpe ayan san seng hkra galaw ra ai, dai gaw nbung galai shai ai atsam hpe shayawm ya lu ai.

(4) Titanium alloy Tubes

Akyu: Grai n-gun ja ai n-gun n-gun (grau nna chloride ions ni hpe), n-gun n law ai, panglai hka hpe katsi shangun ai hte nuclear hpaga lam a matu htuk manu ai.

N kaja ai lam ni: Grai manu dan ai (stunless steel a htam 5 daram) hte yak hkak ai galaw ai lam ni hpe galaw ai.

(5) Aluminium alloy Tubes

Kaja ai lam ni: N-gun n law ai hte n-gun n law ai thermal conductivity (200 W/m·k daram).

N kaja ai lam ni: Alkaline media ni a n-gun n law ai hte n-gun n rawng ai.