Microchannel Condenser Product series a ni a, a hlawhtling hle.
Traditional copper tube leh finned plate heat exchanger thlak danglamna series .
Finned plate heat exchanger hlui thlak nan bik siam a ni a, he series hian all-aluminum welding technology a hmang a, fin leh flat tubes te chu seamless takin a inzawm khawm a ni. Heat transfer efficiency hi 42% aia tam a ni a, hei hi common refrigerant R134A leh R404A tan a tha a, sumdawnna atana hman lar, display cabinet, etc.-ah te hman a ni nasa hle.
Freezing leh refrigeration low-high series a ni.
Space-constrained scenario atan optimized, a thickness 16-25mm a nih chuan thli resistance chu 31% in a tlahniam a ni. A bik takin embedded refrigeration hmanrua leh ice-making machine te tan a tha hle a, R290 ang chi special flammable refrigerant te him taka hman a nih theih nan a pui bawk.
In chhung/sumdawnna atana hman tur mass production series .
Standardized mass production products, design pressure 3.5mpa thleng, a chung lam chu AL0, corrosion-resistant layer hmanga khuh a ni a, a dam chhung kum 10 aia rei a awm a, chu chuan medium-air conditioner leh cold chain transportation ang chi hmanrua lian tak tak mamawh a phuhruk a ni.
Condenser series bik hmanga siam a ni.
Industrial water chillers/cold dryers atana siam bik, he series hian microchannel flat tube multi-process design a nei a, filling volume 50% in a tlahniam a, CO tih loh chu refrigerant zawng zawng tan a tha a, high-pressure corrosion-resistant requirements chu a tlin a ni.
A inmil tur thil siam chhuah .
A rilru a buai em em a.
A hman dan tur: Refrigeration Dryer .
Air compressor a condenser a ni.
A hman dan tur: Air Compressor .
Laser chiller condenser a awm a.
A hman dan tur: Laser chiller .
Oil cooling heat exchanger .
A hman dan tur: Oil cooling hmanrua .
Dilna hmun tlangpui .
Tui chiller hmanna hmun: Tui chiller .
Oil cooling heat exchanger .
A hman dan tur: Oil cooling hmanrua .
Computer room air conditioner a condenser a awm a.
A hman dan tur: Computer Room air conditioner .
Oil cooling heat exchanger .
A hman dan tur: Oil cooling hmanrua .
Lawmthu sawina thilpek:
Chillers-a microchannel condenser enkawl dan tur chu service life rei tak atan hman a ni.
Microchannel condensers (Chillers-a core component pakhat) hian aluminum alloy core a nei a, vacuum-brazed flat tubes, microscale flow channels (0.1–2 mm), leh high-density louvered/corrugated fins te a awm bawk. Maintenance dik tak chu an structural integrity, heat transfer efficiency, leh corrosion laka inven theihna te humhim nan a pawimawh hle-Microchannel heat exchangers (MCHES) service life tihzauh nan thil pawimawh tak tak a ni. A hnuaia tarlan te hi thil pawimawh leh MCHE-Terminology bikte huamtu maintenance guide kimchang tak a ni:
1. A tihfai dan tur: Heat transfer a chhiat loh nan .
Microchannel fins leh flow channel te hi leivut, bawlhhlawh, emaw refrigerant oil awmna atanga inkharkhip an ni tlangpui a, hei hian heat transfer surface area tha tak a ti tlem a, pressure drop a tisang bawk.
fin chunglam tihfai dan .:Low-pressure (300 psi aia tlem emaw a tlukpui emaw) compressed air emaw soft-bristle brush hmangin louvered/corrugated fins atanga debris loose te chu paih chhuak rawh. Deposit rilru na tak tak (eg, oil, scale) tan chuan neutral pH cleaner (aluminum microchannels tichhe thei acidic/alkaline solution awm lo) hmangin deionized water hmangin hnawih rawh. Fin surface chu uluk takin vawt la, moisture-induced corrosion a awm loh nan.Thil chhinchhiah: High-pressure water jets-An bend emaw, microchannel fins nalh tak tak emaw a tichhia thei a, airflow leh heat exchange a tibuai thei bawk.
A chhunga flow channel flushing .:Annually flush microchannel flow paths te chu refrigerant system cleaner awlsam tak (eg, polyol ester-R134A/R410A systems atana based cleaners) hmangin oil sludge emaw oxide deposits te chu paih chhuah theih a ni. Flushing flow rate ( 10 l/min aia tlem emaw, a tlukpui emaw) control la, chu chuan thin-walled flat tubes te chu a tichhia thei tur pressure a tlahniam lutuk lo ang.
2. Corrosion laka invenna: Safeguard Aluminum Alloy Core .
Aluminum, MCHE core-a thil pawimawh ber chu corrosion (moisture, salt-laden air, emaw acidic contaminants atanga lo chhuak) pitting thei a ni. Proactive protection neih a pawimawh hle:
Coating enkawl dan tur .:Pawn lam anti-corrosion coating (eg, phenolic resin, epoxy, emaw fluoropolymer coatings) quarter tin enfiah thin ang che. Aluminum surface langsar tak takte chu seal turin chipped emaw peeled emaw area chu matching high-temperature-resistant coating (dry film thickness: 20–50 μm) hmangin touch up rawh. Coastal area-a chiller-te tan chuan kum tin anti-salt spray coating layer dang hmang la.
Moisture control 1000 a ni.:Chiller-a condensate drain pan chu unclogged a nih loh nan microchannel core-ah tui ding a tlak loh nan. Humidity hian 60%-high moisture a pelh chuan aluminum fins leh copper refrigerant line inkarah galvanic corrosion a ti chak a nih chuan equipment room-ah dehumidifier dah tur a ni.
Corrosion inhibitor te pawh a awm thei.:Scale siam leh metal oxidation venna atan Chiller’s Water Loop (tui-cooled microchannel condensers tan) ah corrosion inhibitor inmil te dah belh a ni. Microchannel walls tihchhiat loh nan aluminum (eg, silicate-based inhibitors)-a toxic lo inhibitor thlang rawh.
3. Leak hriat theihna: Vacuum -Brazed joint te chu humhim rawh.
Microchannel condensers hian vacuum-flat tube leh header inkara brazed interface-ah a innghat-Leaks hian refrigerant hloh, efficiency tihtlem, leh core damage awm thei a thlen a ni.
Routine helium leak testing .:Conduct Helium Leak Testing (sensitivity: 1×10⁻⁹ PA·M3/S aia tlem emaw a tlukpui) Semi-Refrigerant connection zawng zawngah leh vacuum-brazed joint zawng zawngah. Chillers lian tak tak tan chuan portable helium detector hmangin microchannel header leh fin-tube interfaces-in thermal stress (eg, refrigerant inlets/outlets hnaih) te chu a ngaihtuah ber a ni.
Pressure decay test dan .:Monthly perform a pressure decay test on the refrigerant circuit: Charge the system with dry nitrogen (pressure: 1.5× the design working pressure, typically 2–3 MPa) and monitor for pressure drops over 24 hours. A drop >0.01 MPa hian leak a nih thu a tarlang a, chu chuan siamthat nghal a ngai a ni (eg, Re-joint te te brazing emaw, flat tube chhia thlak emaw).
4. Operational monitoring: Overload leh thermal stress awm loh nan .
A hman dan dik lo (eg, condensing tam lutuk, flow rate inthlak danglam) hian microchannel structure-ah thermal stress a thlen a, chu chuan joint fatigue emaw tube cracking emaw a thlen thin.
Key Parameter enkawl dan tur .:Chhungkaw chhunzawm zel rawh:
Condensing a lum dan .: Aluminum core-high temperature a lum lutuk loh nan 55℃(R134A system tan) aia tlem emaw, a aia tlem emaw dah la, vacuum-brazed bonds a tichak lo.
Pressure a tlahniam a .: Monitor the refrigerant side pressure drop across the microchannel core; a sudden increase (>Baseline atanga 20%) chuan flow channel clogging a tarlang.
Flow rate 1000 a ni.: Liquid slugging awm loh nan stable refrigerant/air flow rates (susdden surges avoid sudden surges) enkawl la, chu chuan microchannel hawnna a nghawng thei a, a tichhia thei bawk.
Off-Cycle Moisture Intrusion hi pumpelh rawh.:Chiller chu a khar (eg, maintenance atan) refrigerant circuit chu positive pressure hnuaiah ( 0.1 MPa aia tam emaw, a tlukpui emaw) dry nitrogen nen dah la, boruak hnim chu microchannel-ah a lut thei lo-Moisture chuan refrigerant oil nen a inrem a, corrosive acids a siam ang.
5. Enkawl dan dik: Mechanical damage venna .
Microchannel structures (thin flat tubes, delicate fins) te hi mechanical impact lakah an hlauhawm-filful handling hi a pawimawh hle:
Safe disassembly/assembly .:Condenser i luh dawnin lifting tools dik tak (eg, padded clamps) hmangin flat tubes bending emaw microchannel fins crush emaw loh tur a ni. MCHE core-ah hian thil rit tak tak dah ngai suh, hei hian internal flow channel a tichhe thei a ni.
Joint enfiahna .:quarterly check a mounting brackets leh vibration dampeners integrity-loose brackets hian microchannel core chu a vibrate a, hun kal zelah brazed joint-ah hahna a thlen thin. Fastener te chu a siamtu torque specification-ah tight rawh (a tlangpuiin aluminum bracket atan 8–12 N·M).
Professional rawngbawlna .:Ram siamthat hna lian tham (eg, flat tube chhia thlak, re-brazing header) te tan chuan MCHE enkawlna lama training nei technician te hman thin ang che. Brazing dik lo chuan microchannel a block thei a, joint chak lo a siam thei bawk a, condenser service life a ti tawi thei bawk.
Thianghlimna, corrosion protection, leak detection, operational monitoring, leh uluk taka enkawl te chu i ngaihtuah ber a, chillers-a microchannel condenser-te service life chu nasa takin i tizau thei a ni-A tlangpuiin kum 8–10 atanga kum 12–15 thleng. Heng practice te hian MCHE component pawimawh tak tak (aluminum core, vacuum-brazed joint, microscale flow channels) te chu a humhim mai bakah, heat transfer efficiency tha ber a vawng reng a, long-Term chiller operating costs a tihtlem bawk.
hot tags .: A rilru a buai em em a, a rilru a hah em em bawk a, a rilru a buai em em bawk a.
