Li-coil tsa Microchannel li ne li sebelisoa nako e telele indastering ea likoloi pele li hlaha lisebelisoa tsa HVAC bohareng ba bo-2000.Ho tloha ka nako eo, li se li tumme haholo, haholo-holo li-air conditioner tsa bolulo, hobane li bobebe, li fana ka mocheso o ntlafetseng oa mocheso, 'me li sebelisa sehatsetsi se fokolang ho feta li-exchanger tsa mocheso tsa li-tube tse tloaelehileng.
Leha ho le joalo, ho sebelisa sehatsetsi se fokolang ho boetse ho bolela hore tlhokomelo e eketsehileng e tlameha ho nkoa ha ho tjhaja tsamaiso ka li-coil tsa microchannel.Lebaka ke hobane esita le li-ounces tse 'maloa li ka theola ts'ebetso, ts'ebetso, le ts'epahalo ea sistimi e pholisang.
304 le 316 SS capillary Coil Tubes mofani oa thepa naheng ea china
Ho na le likarolo tse fapaneng tsa lisebelisoa tse sebelisetsoang li-tubing tse kopantsoeng bakeng sa li-heaters tsa mocheso, li-boilers, li-heaters tse phahameng le lisebelisoa tse ling tsa mocheso o phahameng tse kenyelletsang ho futhumatsa kapa ho pholile.Mefuta e fapaneng e kenyelletsa li-tubing tsa tšepe tse sa hloekang tse 3/8.Ho ipapisitsoe le mofuta oa kopo, mofuta oa mokelikeli o fetisoang ka li-tubes le limaraka tsa thepa, mefuta ena ea li-tubes e fapana.Ho na le litekanyo tse peli tse fapaneng bakeng sa li-tubes tse pota-potiloeng e le bophara ba tube le bophara ba khoele, bolelele, botenya ba lebota le lipampiri.SS Coil Tubes e sebelisoa ka litekanyo le limaraka tse fapaneng ho latela litlhoko tsa kopo.Ho na le lisebelisoa tse phahameng tsa alloy le lisebelisoa tse ling tsa carbon steel tse fumanehang bakeng sa li-coil tubing.
Tšebelisano ea Lik'hemik'hale ea Stainless Steel Coil Tube
| Kereiti | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti | Fe | |
| 304 | min. | 18.0 | 8.0 | |||||||||
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||||
| 304L | min. | 18.0 | 8.0 | |||||||||
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||||
| 304H | min. | 0.04 | 18.0 | 8.0 | ||||||||
| max. | 0.010 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||||
| SS310 | 0.015 boholo | 2 max | 0.015 boholo | 0.020 max | 0.015 boholo | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 mets | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 boholo | 0.030 boholo | 24.00 26.00 | 0.75 boholo | 19.00 21.00 | 53.095 mets | |||
| SS 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 boholo | 0.030 boholo | 24.00 26.00 | 19.00 21.00 | 53.885 mets | ||||
| 316 | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316L | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316TI | 0.08 max | 10.00 14.00 | 2.0 max | 0.045 boholo | 0.030 boholo | 16.00 18.00 | 0.75 boholo | 2.00 3.00 | ||||
| 317 | 0.08 max | 2 max | 1 boholo | 0.045 boholo | 0.030 boholo | 18.00 20.00 | 3.00 4.00 | 57.845 mets | ||||
| SS 317L | 0.035 boholo | 2.0 max | 1.0 max | 0.045 boholo | 0.030 boholo | 18.00 20.00 | 3.00 4.00 | 11.00 15.00 | 57.89 mets | |||
| SS321 | 0.08 max | 2.0 max | 1.0 max | 0.045 boholo | 0.030 boholo | 17.00 19.00 | 9.00 12.00 | 0.10 max | 5(C+N) 0.70 max | |||
| SS 321H | 0.04 0.10 | 2.0 max | 1.0 max | 0.045 boholo | 0.030 boholo | 17.00 19.00 | 9.00 12.00 | 0.10 max | 4(C+N) 0.70 max | |||
| 347/ 347H | 0.08 max | 2.0 max | 1.0 max | 0.045 boholo | 0.030 boholo | 17.00 20.00 | 9.0013.00 | |||||
| 410 | min. | 11.5 | ||||||||||
| max. | 0.15 | 1.0 | 1.00 | 0.040 | 0.030 | 13.5 | 0.75 | |||||
| 446 | min. | 23.0 | 0.10 | |||||||||
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | 0.50 | 0.25 | ||||
| 904L | min. | 19.0 | 4.00 | 23.00 | 0.10 | |||||||
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 0.25 | |||
Chate ea Thepa ea Mechini ea Coil ea Tubing ea Stainless Steel Tubing
| Kereiti | Botenya | Melting Point | Matla a tšepe | Matla a Hlahisa (0.2%Offset) | Elongation |
| 304/ 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 35 % |
| 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 40% |
| 310 / 310S / 310H | 7.9g/cm3 | 1402 °C (2555 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 40% |
| 306/ 316H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 35 % |
| 316L | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 35 % |
| 317 | 7.9g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 35 % |
| 321 | 8.0 g/cm3 | 1457 °C (2650 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 35 % |
| 347 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi 75000 , MPa 515 | Psi 30000, MPa 205 | 35 % |
| 904L | 7.95 g/cm3 | 1350 °C (2460 °F) | Psi 71000 , MPa 490 | Psi 32000, MPa 220 | 35 % |
SS Heat Exchanger Coiled Tubes Limaraka tse lekanang
| TS'ELISO | WERKSTOFF NR. | UNS | JIS | BS | GOST | HLOMPHO | EN |
| SS304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18-09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18-10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 304H | 1.4301 | S30409 | - | - | - | - | - |
| SS310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | - | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | - | X8CrNi25-21 |
| SS 310H | - | S31009 | - | - | - | - | - |
| SS316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | - | Z7CND17-11-02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17-11-02 / Z3CND18-14-03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316H | 1.4401 | S31609 | - | - | - | - | - |
| SS 316Ti | 1.4571 | S31635 | SUS 316Ti | 320S31 | Setšoantšo sa 08Ch17N13M2T | Z6CNDT17-123 | X6CrNiMoTi17-12-2 |
| SS317 | 1.4449 | S31700 | SUS 317 | - | - | - | - |
| SS 317L | 1.4438 | S31703 | SUS 317L | - | - | - | X2CrNiMo18-15-4 |
| SS321 | 1.4541 | S32100 | SUS 321 | - | - | - | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | - | - | - | X12CrNiTi18-9 |
| SS347 | 1.4550 | S34700 | SUS 347 | - | 08Ch18N12B | - | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | - | - | - | X6CrNiNb18-12 |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Moralo oa khale oa li-tube coil e bile mokhoa o sebelisoang indastering ea HVAC ka lilemo tse ngata.Li-coil qalong li ne li sebelisa li-tubes tsa koporo tse chitja tse nang le mapheo a aluminium, empa li-tubes tsa koporo li ile tsa baka kutu ea electrolytic le anthill, e leng se lebisang ho lutlang ho eketsehileng ha li-coil, ho bolela Mark Lampe, mookameli oa sehlahisoa sa li-coil tsa sebōpi ho Carrier HVAC.Ho rarolla bothata bona, indasteri e fetohile li-tubes tsa aluminium tse chitja tse nang le mapheo a aluminium ho ntlafatsa ts'ebetso ea sistimi le ho fokotsa ho bola.Hona joale ho na le theknoloji ea microchannel e ka sebelisoang ho li-evaporator le li-condensers.
"Theknoloji ea microchannel, e bitsoang thekenoloji ea VERTEX ho Carrier, e fapane ka hore li-tubes tsa aluminium tse chitja li nkeloa sebaka ke li-tubes tse bataletseng tse bapileng tse rekisoang ho mapheo a aluminium," ho boletse Lampe."Sena se aba sehatsetsi ka mokhoa o leka-lekaneng sebakeng se pharaletseng, se ntlafatsa ho fetisa mocheso e le hore khoele e sebetse hantle.Le ha thekenoloji ea microchannel e ne e sebelisoa ho li-condenser tsa kantle tsa bolulo, theknoloji ea VERTEX hajoale e sebelisoa feela lithabeng tsa bolulo. ”
Ho ea ka Jeff Preston, mookameli oa litšebeletso tsa theknoloji ho Johnson Controls, moralo oa microchannel o etsa hore ho be le mokhoa o nolofalitsoeng oa "ho kena le ho tsoa" sehatsetsing se nang le tube e chesang ka ho fetisisa ka holimo le subcooled tube ka tlaase.Ka lehlakoreng le leng, sehatsetsi ka sehatsetsing se tloaelehileng sa li-tube coil se phalla ka litsela tse ngata ho tloha holimo ho ea tlaase ka mokhoa oa noha, o hlokang sebaka se seholo sa holimo.
"Moqapi o ikhethang oa li-coil tsa microchannel o fana ka coefficient e babatsehang ea ho fetisa mocheso, e leng ho eketsang katleho le ho fokotsa palo ea sehatsetsi se hlokahalang," ho boletse Preston."Ka lebaka leo, lisebelisoa tse entsoeng ka li-coil tsa microchannel hangata li nyane haholo ho feta lisebelisoa tse sebetsang hantle tse nang le meralo e tloaelehileng ea li-tubes.Sena se nepahetse bakeng sa lits'ebetso tse haelloang ke sebaka joalo ka matlo a nang le mela ea zero. ”
Ha e le hantle, ka lebaka la ho hlahisoa ha thekenoloji ea microchannel, ho bolela Lampe, Carrier e khonne ho boloka li-coil tse ngata tsa ka tlung le li-condenser tsa ka ntle tsa moea tse nang le boholo bo lekanang ka ho sebetsa ka lepheo le chitja le moralo oa li-tube.
"Haeba re ne re sa sebelise theknoloji ena, re ka be re ile ra tlameha ho eketsa boholo ba sebōpi sa ka hare ho lisenthimithara tse 11 'me re ka be re sebelisitse chassis e khōloanyane bakeng sa condenser e ka ntle," o ile a re.
Le ha theknoloji ea li-coil ea microchannel e sebelisoa haholo ka sehatsetsing sa lapeng, mohopolo o se o qala ho ts'oara lits'ebetsong tsa khoebo ha tlhokahalo ea lisebelisoa tse bobebe, lisebelisoa tse kopaneng li ntse li hola, ho boletse Preston.
Hobane li-coil tsa microchannel li na le sehatsetsi se batlang se le nyane, esita le li-ounces tse seng kae tsa phetoho ea tefiso li ka ama bophelo ba tsamaiso, ts'ebetso le matla a matla, Preston o re.Ke ka lebaka lena borakonteraka ba lokelang ho buisana le moetsi kamehla mabapi le ts'ebetso ea ho tjhaja, empa hangata e kenyelletsa mehato e latelang:
Ho ea ka Lampe, thekenoloji ea Carrier VERTEX e tšehetsa mokhoa o ts'oanang oa ho seta, oa ho tjhaja le oa ho qala joalo ka theknoloji ea tube e chitja 'me ha e hloke mehato e tlatselletsang kapa e fapaneng le ts'ebetso e khothalletsoang hajoale ea ho tjhaja pholileng.
"Hoo e ka bang karolo ea 80 ho isa ho 85 lekholong ea tefiso e boemong ba mokelikeli, kahoo ka mokhoa oa ho pholisa molumo oo o ka har'a coil ea ka ntle ea condenser le pakete ea line," Lampe o itse."Ha u fallela ho li-coil tsa microchannel tse nang le molumo o fokotsehileng oa ka hare (ho bapisoa le meralo e pota-potileng ea tubular fin), phapang ea tefiso e ama feela 15-20% ea tefiso eohle, e bolelang phapang e nyenyane, e thata ho lekanya.Ke ka lebaka leo mokhoa o khothaletsoang oa ho tjhaja sistimi e le ka subcooling, e hlalositsoeng ka botlalo litaelong tsa rona tsa ho kenya. ”
Leha ho le joalo, palo e nyenyane ea sehatsetsing ka li-coil tsa microchannel e ka fetoha bothata ha mocheso oa pompo ea ka ntle o fetela ho mokhoa oa ho futhumatsa, Lampe o itse.Ka mokhoa ona, coil ea tsamaiso e fetoha 'me capacitor e bolokang boholo ba tefiso ea metsi e se e le khoele e ka hare.
"Ha molumo oa ka hare oa coil o ka hare o le tlase haholo ho feta oa khoele ea ka ntle, ho se leka-lekane ha tefiso ho ka etsahala tsamaisong," ho boletse Lampe."Ho rarolla a mang a mathata ana, Carrier e sebelisa betere e hahelletsoeng ka har'a yuniti ea kantle ho hula le ho boloka tefiso e feteletseng ka mokhoa oa ho futhumatsa.Sena se lumella tsamaiso ho boloka khatello e nepahetseng le ho thibela compressor hore e se ke ea e-ba le likhohola, e leng se ka lebisang ho se sebetse hantle ha oli e ka bokellana ka hare ho coil. "
Le ha ho tjhaja sistimi ka li-coil tsa microchannel ho ka hloka tlhokomelo e khethehileng ho lintlha, ho tjhaja sistimi efe kapa efe ea HVAC ho hloka ka nepo ho sebelisa sehatsetsi se nepahetseng, Lampe o re.
"Haeba tsamaiso e imetsoe haholo, e ka lebisa tšebelisong e phahameng ea matla, ho pholisa ho sa sebetseng hantle, ho lutla le ho hlōleha pele ho nako ea compressor," o ile a re."Ka mokhoa o ts'oanang, haeba sistimi e sa lefshoe ka tlase, ho hoama ha li-coil, ho sisinyeha ha li-valve tse atolositsoeng, mathata a ho qala a compressor le ho koala ha bohata ho ka etsahala.Mathata a li-coil tsa microchannel le 'ona a joalo. ”
Ho ea ka Jeff Preston, mookameli oa litšebeletso tsa theknoloji ho Johnson Controls, ho lokisa li-coil tsa microchannel ho ka ba phephetso ka lebaka la moqapi oa tsona o ikhethang.
"Soldering ea holim'a metsi e hloka litoche tsa alloy le MAPP tsa khase tse sa sebelisoeng hangata mefuteng e meng ea lisebelisoa.Ka hona, bo-rakonteraka ba bangata ba tla khetha ho khutlisa likhoele ho fapana le ho leka ho li lokisa.
Ha ho tluoa tabeng ea ho hloekisa li-coil tsa microchannel, ha e le hantle ho bonolo, ho bolela Mark Lampe, mookameli oa sehlahisoa sa li-coil tsa sebōpi ho Carrier HVAC, hobane mapheo a aluminium a li-tube coil a kobeha habonolo.Mapheo a mangata haholo a kobehileng a tla fokotsa moea o fetang ka khoele, e leng ho fokotsang bokhoni.
"Theknoloji ea Carrier VERTEX ke moralo o matla ho feta hobane mapheo a aluminium a lula hanyane ka tlase ho li-tubes tsa sehatsetsi sa aluminium tse bataletseng 'me a kentsoe liphaepheng, ho bolelang hore ho hlatsoa ha ho fetole mapheo haholo," ho boletse Lampe.
Ho Hloekisa Habonolo: Ha u hloekisa li-coil tsa microchannel, sebelisa feela li-coil cleaners tse bonolo, tse se nang asiti kapa, hangata, metsi feela.(e fanoe ke mopalami)
Ha u hloekisa li-coil tsa microchannel, Preston o re qoba lik'hemik'hale tse matla le ho hlatsoa khatello ea kelello, 'me ho e-na le hoo, sebelisa feela li-coil cleaners tse bonolo, tse se nang acidic kapa, hangata, metsi feela.
O ile a re: "Leha ho le joalo, sehatsetsi se senyenyane se hloka liphetoho tse itseng ts'ebetsong ea tlhokomelo.Ka mohlala, ka lebaka la boholo bo fokolang, sehatsetsi ha se khone ho pompeloa ha likarolo tse ling tsa tsamaiso li hloka tšebeletso.Ntle le moo, karolo ea lisebelisoa e lokela ho hokahanngoa feela ha ho hlokahala ho fokotsa tšitiso ea molumo oa sehatsetsing. ”
Preston o boetse a re Johnson Controls e sebelisa maemo a feteletseng sebakeng sa eona sa bopaki sa Florida, e leng se khothalelitseng nts'etsopele ea li-microchannel.
"Liphetho tsa liteko tsena li re lumella ho ntlafatsa nts'etsopele ea lihlahisoa tsa rona ka ho ntlafatsa li-alloys tse 'maloa, botenya ba liphaephe le lik'hemik'hale tse ntlafetseng moeeng o laoloang oa brazing ho fokotsa ho bola ha li-coil le ho netefatsa hore maemo a nepahetseng a ts'ebetso le botšepehi aa finyelloa," o boletse joalo."Ho amoheloa ha mehato ena ho ke ke ha eketsa khotsofalo ea beng ba ntlo feela, empa hape ho tla thusa ho fokotsa litlhoko tsa tlhokomelo."
Joanna Turpin is a senior editor. She can be contacted at 248-786-1707 or email joannaturpin@achrnews.com. Joanna has been with BNP Media since 1991, initially heading the company’s technical books department. She holds a bachelor’s degree in English from the University of Washington and a master’s degree in technical communications from Eastern Michigan University.
Litaba tse tšehelitsoeng ke karolo e lefuoang e khethehileng moo lik'hamphani tsa indasteri li fanang ka litaba tsa boleng bo holimo, tse hlokang leeme, tseo e seng tsa khoebo ka lihlooho tse khahlang bamameli ba litaba ba ACHR.Litaba tsohle tse tšehelitsoeng li fanoa ke lik'hamphani tsa papatso.Na o khahlehela ho kenya letsoho karolong ea rona ea litaba tse tšehelitsoeng?Ikopanye le moemeli oa sebaka sa heno.
Ka Tlhokahalo Ho webinar ena, re tla ithuta ka lintlafatso tsa morao-rao tsa sehatsetsi sa tlhaho sa R-290 le hore na se tla ama indasteri ea HVACR joang.
Nako ea poso: Apr-24-2023