Microchannel coils yakashandiswa kwenguva yakareba muindasitiri yemotokari isati yaonekwa mumidziyo yeHVAC pakati pe2000s.Kubva ipapo, vave vachinyanya kufarirwa, kunyanya mudzimba dzemhepo dzemhepo, nekuti dzakareruka, dzinopa kupisa kupisa kuri nani, uye dzinoshandisa shoma refrigerant pane yechinyakare finned chubhu heat exchangers.
Nekudaro, kushandisa firiji shoma zvinoreva zvakare kuti kutarisirwa kwakawanda kunofanirwa kutorwa pakuchaja sisitimu nemacoil e microchannel.Izvi zvinodaro nekuti kunyangwe maounzi mashoma anogona kukanganisa mashandiro, kugona, uye kuvimbika kweiyo inotonhorera system.
304 uye 316 SS capillary Coil Tubes mutengesi muchina
Kune akasiyana magiredhi ezvinyorwa anoshandiswa kune yakavharidzirwa tubing yekupisa kupisa, boilers, super heaters uye mamwe ekushisa epamusoro maapplication anosanganisira kudziyisa kana kutonhora.Mhando dzakasiyana dzinosanganisira iyo 3/8 yakavharidzirwa simbi isina tsvina tubing zvakare.Zvichienderana nechimiro chekushandisa, hunhu hwemvura iri kufambiswa kuburikidza nemachubhu uye mamakisi emidziyo, aya marudzi emachubhu anosiyana.Kune zvimiro zviviri zvakasiyana zvemachubhu akamonerwa sedhayamita yechubhu uye dhayamita yekoiri, kureba, ukobvu hwemadziro uye mashedhi.Iwo SS Coil Tubes anoshandiswa muhukuru hwakasiyana uye mamakisi zvichienderana nezvinodiwa zvekushandisa.Kune yakakwirira alloy zvinhu uye zvimwe kabhoni simbi zvinhu zvinowanikwa kune coil tubing zvakare.
Kemikari Inopindirana yeStainless Steel Coil Tube
| Giredhi | 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 | |||||
| SS 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min | |||
| SS 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 19.00 21.00 | 53.885 min | ||||
| 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 max | 0.030 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | ||||
| 317 | 0.08 max | 2 max | 1 max | 0.045 max | 0.030 max | 18.00 20.00 | 3.00 4.00 | 57.845 min | ||||
| SS 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 20.00 | 3.00 4.00 | 11.00 15.00 | 57.89 min | |||
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 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 max | 0.030 max | 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 max | 0.030 max | 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 | |||
Mechanical Properties Chati yeStainless Simbi Tubing Coil
| Giredhi | Density | Melting Point | Tensile Simba | Goho Simba (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 | 7.9 g/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 | 7.9 g/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 Yakaenzana mamakisi
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 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 | - | - | - | - | - |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | - | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | - | X8CrNi25-21 |
| SS 310H | - | S31009 | - | - | - | - | - |
| SS 316 | 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 | 08Ch17N13M2T | Z6CNDT17-123 | X6CrNiMoTi17-12-2 |
| SS 317 | 1.4449 | S31700 | SUS 317 | - | - | - | - |
| SS 317L | 1.4438 | S31703 | SUS 317L | - | - | - | X2CrNiMo18-15-4 |
| SS 321 | 1.4541 | S32100 | SUS 321 | - | - | - | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | - | - | - | X12CrNiTi18-9 |
| SS 347 | 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 |
Iyo yechinyakare yakadhindwa chubhu coil dhizaini yanga iri chiyero chinoshandiswa muindasitiri yeHVAC kwemakore mazhinji.Makoiri pakutanga aishandisa machubhu emhangura ane zvimbi zvealuminium, asi machubhu emhangura akakonzera kuonda kweelectrolytic uye anthill, zvichikonzera kuwedzera kudonha kwecoil, anodaro Mark Lampe, maneja wechigadzirwa wemakoiri echoto paCarrier HVAC.Kugadzirisa dambudziko iri, indasitiri yachinja kuita akatenderedza machubhu ealuminium ane aluminium fins kuti avandudze mashandiro ehurongwa uye kuderedza ngura.Ikozvino kune microchannel tekinoroji inogona kushandiswa mune ese evaporator uye condensers.
"Tekinoroji yemicrochannel, inodaidzwa kuti VERTEX tekinoroji paCarrier, yakasiyana pakuti machubhu ealuminium akatenderera anotsiviwa nemachubhu akafuratira anotengeswa kune zvimbi zvealuminium," akadaro Lampe.“Izvi zvinogovera firiji zvakaenzanirana panzvimbo yakakura, zvichinatsiridza kupisa kupisa kuitira kuti coil ishande zvakanaka.Nepo tekinoroji yemicrochannel yaishandiswa mukugara kwekunze condensers, tekinoroji yeVERTEX parizvino iri kungoshandiswa mumakoiri ekugara.
Sekureva kwaJeff Preston, director wehunyanzvi masevhisi kuJohnson Controls, iyo microchannel dhizaini inogadzira yakareruka imwe-chiteshi "mukati nekunze" kuyerera kwefiriji kunosanganisira yakanyanya kupisa chubhu kumusoro uye subcooled chubhu pazasi.Kusiyana neizvi, firiji mune yakajairwa finned chubhu coil inoyerera kuburikidza nematanho akawanda kubva kumusoro kusvika pasi mune serpentine pateni, inoda imwe nzvimbo yepamusoro.
"Iyo yakasarudzika microchannel coil dhizaini inopa yakanakisa kupisa kupisa coefficient, iyo inowedzera kushanda uye inoderedza huwandu hwefiriji inodiwa," akadaro Preston."Nekuda kweizvozvo, zvishandiso zvakagadzirirwa ne microchannel coils zvinowanzove zvidiki pane zvakanyanya kushanda zvakanaka zvine echinyakare mafinned chubhu dhizaini.Izvi zvakanakira zvikumbiro-zvine nzvimbo sedzimba dzine zero mitsetse. "
Zvakadaro, nekuda kwekuunzwa kwehunyanzvi hwemicrochannel, anodaro Lampe, Mutakuri akakwanisa kuchengetedza macoil mazhinji emuchoto uye ekunze epamhepo condenser saizi yakafanana nekushanda neinotenderera fin uye dhizaini yechubhu.
"Dai tisina kushandisa tekinoroji iyi, tingadai takawedzera saizi yechoto chemukati kusvika masendimita gumi nembiri uye tingadai takashandisa chassis hombe kune condenser yekunze," akadaro.
Nepo microchannel coil tekinoroji inonyanya kushandiswa mufiriji yemumba, iyo pfungwa iri kutanga kubata mukumisikidzwa kwekutengesa sezvo kudiwa kweyakareruka, yakawanda komputa michina iri kuramba ichikura, Preston akadaro.
Nekuti microchannel coils ine zvidiki zvidiki zvefiriji, kunyangwe mashoma maounzi ekuchinja kwechaji anogona kukanganisa hupenyu hwehurongwa, kuita uye kushanda nesimba, Preston anodaro.Ichi ndicho chikonzero makondirakiti achifanira kugara achitarisa nemugadziri nezve maitiro ekuchaja, asi kazhinji anosanganisira anotevera matanho:
Sekureva kwaLampe, Carrier VERTEX tekinoroji inotsigira iyo yakafanana set-up, kuchaja uye kutanga-up maitiro searound chubhu tekinoroji uye haidi nhanho dziri kuwedzera kana dzakasiyana kubva kune inokurudzirwa kutonhora-chaji maitiro.
"Inenge 80 kusvika 85 muzana yekuchaja iri mumvura, saka mukutonhodza modhi iyo vhoriyamu iri mukunze condenser coil uye mutsara paki," Lampe akadaro."Kana uchienda kune microchannel coil ine yakaderera mukati vhoriyamu (ichienzaniswa neyakatenderedzwa tubular fin dhizaini), mutsauko wekuchaji unobata chete 15-20% yemutengo wakazara, izvo zvinoreva diki, rakaoma-kuyera-kuyera ndima yemusiyano.Ndosaka nzira inokurudzirwa yekuchaja sisitimu iri ne subcooling, yakatsanangurwa mumirayiridzo yedu yekuisa.
Nekudaro, iyo diki yefiriji mumakoiri emicrochannel inogona kuve dambudziko kana pombi yekupisa yekunze ichichinja kune yekudziya mode, Lampe akadaro.Mune iyi modhi, iyo system coil inochinjirwa uye iyo capacitor inochengeta yakawanda yekuchaja yemvura ikozvino ndiyo yemukati coil.
"Apo vhoriyamu yemukati yecoil yemukati yakanyanya kuderera kupfuura iyo coil yekunze, kusaenzana kwechaji kunogona kuitika muhurongwa," akadaro Lampe."Kugadzirisa mamwe ematambudziko aya, Mutakuri anoshandisa bhatiri rakavakirwa mukati riri muchikamu chekunze kudhonza uye kuchengetedza yakawandisa kuchaji mukudziya mode.Izvi zvinobvumira sisitimu kuchengetedza kudzvanywa kwakakodzera uye kudzivirira iyo compressor kubva mafashama, izvo zvinogona kutungamira kusashanda zvakanaka sezvo oiri inogona kukwira mucoil yemukati. "
Nepo kuchaja sisitimu ine microchannel coils inogona kuda kutarisisa kune zvakadzama, kuchaja chero HVAC system inoda nemazvo kushandisa huwandu chaihwo hwefiriji, Lampe anodaro.
"Kana sisitimu yacho yaremerwa, inogona kukonzeresa kushandiswa kwesimba rakawanda, kutonhora kusingashande, kuvuza uye kutadza kuita nguva isati yakwana," akadaro."Saizvozvo, kana sisitimu yacho yakachajiswa, kutonhora kwecoil, kuwedzera vheji vibration, compressor kutanga matambudziko uye kuvharika kwenhema kunogona kuitika.Matambudziko nemacoil emicrochannel ndizvo zvimwe chetezvo. ”
Sekureva kwaJeff Preston, director wehunyanzvi masevhisi kuJohnson Controls, kugadzirisa macoil coil kunogona kunetsa nekuda kwemaitiro avo akasiyana.
"Surface soldering inoda alloy neMAPP gasi mazhenje asingawanzo shandiswa mune mamwe marudzi emidziyo.Naizvozvo, makondirakiti mazhinji achasarudza kutsiva makoiri pane kuedza kugadzirisa. ”
Kana zvasvika pakuchenesa macoil emicrochannel, zviri nyore chaizvo, anodaro Mark Lampe, maneja wechigadzirwa wemakoiri echoto paCarrier HVAC, nekuti zvimbi zvealuminium zvemapini chubhu anokotama zviri nyore.Zvimbi zvakawanda zvakakombama zvinoderedza huwandu hwemhepo inopfuura nepacoil, zvichideredza kushanda zvakanaka.
"Carrier VERTEX tekinoroji dhizaini yakasimba nekuti zvimbi zvealuminium zvinogara pazasi pemachubhu ealuminium firiji uye akaiswa machubhu, zvichireva kuti kukwesha hakuchinje zvimbi zvakanyanya," Lampe akadaro.
Kuchenesa Kuri Nyore: Paunenge uchichenesa macoil emicrochannel, shandisa chete zvinyoro, zvisina acidic coil cleaners kana, kazhinji, ingori mvura.(yakapihwa nemutakuri)
Paunenge uchichenesa microchannel coils, Preston anoti dzivisa makemikari ane hutsinye uye kushambidzika kwekugeza, uye panzvimbo pezvo shandisa zvinyoro-nyoro, zvisina acidic coil cleaners kana, kazhinji, ingori mvura.
"Zvisinei, zvishoma zvefiriji zvinoda kugadziriswa mukugadzirisa," akadaro.“Semuyenzaniso, nekuda kwehukuru hudiki, firiji haigone kudhonzwa kana zvimwe zvikamu zvehurongwa zvinoda masevhisi.Pamusoro pezvo, mudziyo wezviridzwa unofanirwa kungobatanidzwa kana zvichidikanwa kuti uderedze kukanganisa kwevhoriyamu yefiriji. "
Preston akawedzera kuti Johnson Controls ari kushandisa zvakanyanyisa mamiriro panzvimbo yayo yekuratidzira yeFlorida, izvo zvakurudzira kuvandudzwa kwema microchannels.
"Mhedziso dzebvunzo idzi dzinotitendera kuti tivandudze kusimukira kwechigadzirwa chedu nekuvandudza akati wandei alloys, kukora kwepombi uye makemikari akagadziridzwa mumhepo inodzorwa brazing process kudzikamisa coil corrosion uye kuona kuti mazinga ekuita uye kuvimbika anowanikwa," akadaro."Kutorwa kwematanho aya hakuzongowedzera kugutsikana kwevaridzi vemba, asi zvakare kunobatsira kuderedza zvinodiwa zvekuchengetedza."
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.
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Nguva yekutumira: Kubvumbi-24-2023