Heat exchanger chi hi eng chi nge tha ber?
Tubular heat exchanger (traditional mainstream, a inthlak danglam theihna zau ber) .
Core definition: Fluid lum leh vawt inkara heat transfer hi tube wall kaltlangin a thleng thei. Structure nghet tak a nei a, industrial field-a hman lar ber chi a ni. Shell leh tube type, serpentine type, coaxial type, finned tube type, etc.-ah then a ni leh bawk.
1.A thatna bulpui ber:
- Temperature leh pressure resistance chak tak a nei a, temperature sang (>=400℃) leh high pressure (>=10MPa) hnathawhna hmunah pawh a insiamrem thei a, complex media hrang hrang atan a tha bawk
2.A thatna bulpui ber: 1.1.
- Structure nghet leh chhe thei lo, service life rei, maintenance cost tlem, technology puitling, leh industrial system lian tak tak tan pawha tha;
1.A that lohna ber:
- Heat transfer efficiency tlemte, unit volume khatah heat exchange area tlem, footprint lian leh rit rit;
2.A that lohna ber: 1.1.
- Shell-side tihfai hi a harsa a, multi-tube design hian fluid flow resistance a tipung a, tube chhunga tihfai hi chi thenkhat (U-tube type ang chi) tan chuan a awlsam lo.
Plate heat exchanger (efficiency sang tak leh design compact tak, medium leh low pressure scenario tan pawha tha)
Core definition: Corrugated thin metal plate te chu parallel-a dahin alternating flow channel siam a ni a, hot leh cold fluid te chuan plate sir lehlamah countercurrent in heat an inthlak thin. Subcategory hrang hrangah hian flat plate chi, spiral plate chi, hot plate chi, etc. te a tel a ni.
1.A thatna bulpui ber:
- Heat transfer efficiency sang tak, tubular type aiin a let 3-5 in; turbulence chu Reynolds number hniam takah a awm thei a; heat exchange temperature danglamna chu℃1 vel a ni thei ; energy saving effect nasa tak a nei.
2.A thatna bulpui ber: 1.1.
- A structure compact tak a nei a, unit volume khatah heat exchange area lian tak a nei a, tubular tube floor space 1/5 atanga 1/10 chauh a luah a, hei hian scenario space tlemte nei tan a tha hle.
1.A that lohna ber:
- Temperature leh pressure resistance a tlem a; standard detachable unit te hian temperature 200℃aia tlem emaw, a tlukpui emaw leh pressure 2.5 MPa aia tlem emaw, a tlukpui emaw an tuar thei a, fully welded unit chauh hian high-temperature leh high-pressure condition an tuar thei thung.
2.A that lohna ber:
- Medium thianghlimna chungchangah thupek khauh tak a siam a; plate inkar gap te tak te chuan bawlhhlawh vangin a khar awlsam hle a, sealing gasket te pawh a upa duh hle a, a hun hunah thlak a ngai bawk.
Heat Pipe Heat Exchanger (Efficiency sang tak leh Energy Saving; Specialized Operating Condition-a hman theih)
Core Definition: He technology hi high-thermal-conductivity heat pipes vel a innghat a, he technology hian "boiling vaporization, vapor flow, leh condensation-reflux" cycle hmangin heat a transfer thin. Specialized heat exchanger chi thar, efficient tak a siam a, subcategory hrang hrangah wick-based heat pipe leh gravity heat pipe te pawh a tel.
1.A thatna bulpui ber:
- Heat transfer efficiency sang tak a nei a, temperature danglamna tlem ber hnuaiah heat flux nasa tak a transfer thei a; isothermal property tha tak tak a lantir a, energy-saving result ropui tak a pe bawk.
2.A thatna bulpui ber:
- A structure awlsam tak, hnathawh rintlak tak, leh service life rei tak a nei a, heat exchange mode hrang hrangah a insiamrem thei a, gas-gas, gas-liquid, leh liquid-liquid te pawh a tel.
1.A that lohna ber:
- Temperature range hman tur chu fix a ni; heat pipe chi hrang hrangte hi temperature range tlemte atan a tha a, khawvel pum huapa inthlak danglam theih a ni lo.
2.A that lohna ber:
- Thil siamna senso hi a sang hle a, initial capital investment pawh a tam hle a; chuvangin, industrial application pangngai, flow rate sang, temperature sang, emaw pressure sang tak awmna atan a tha lo.
Selection Criteria hrang hrangte Core Summary
- Tubular Design te chu dah pawimawh ber rawh
High-temperature leh high-pressure application atan te, complex media (prone to fouling or high viscosity), flow rates sang tak tak, leh durability hi ngaih pawimawh ber a nih hunah-petrochemical leh power generation industry tana procurement-ah te.
- Plate-Type Unit te chu dah pawimawh ber rawh
Medium-to-temperature leh pressure hniam, media thianghlim, space-constrained environment, leh efficiency sang leh energy humhalhna a pawimawh berna application-HVAC leh food industry procurement-a hman tur atan a tha.
- Heat Pipe te hi dah pawimawh ber rawh
Temperature hniam danglamna, waste heat recovery, emaw specialized heat exchange requirements-a bik takin senso sang zawk pawm theihna hmunah (eg, environment humhalhna emaw electronics sector-a thil lei) hmanna atan.
- Hriat nawn tirna dang
Model tha ber nena inmilna dik tak neih theih nan, thlan chhuahnaah hian key parameters (a bik takin: hot leh cold side-a media chi hrang hrang, flow rates, inlet leh outlet temperature, leh operating pressure) te pe la. Hei hian selection errors a awm loh nan a pui a, chu chuan cost wastage emaw heat exchange efficiency tling lo emaw a thlen thei a ni.
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