Ma Thermocouple Okhala ndi Chivundikiro Chapamwamba
Mafotokozedwe Akatundu
Ma thermocouple ophimbidwa ndi sheathed (omwe amadziwikanso kuti mineral-insulated thermocouples) ndi masensa otenthetsera kutentha a mafakitale omwe amapangidwa kuti azigwiritsidwa ntchito molimbika.Mitundu yofunika kwambiri ndi K, N, E, J, T, ndi S, imatha kuyeza kutentha kuyambira -200°C mpaka 1300°C pa zinthu zamadzimadzi, nthunzi, mpweya, ndi malo olimba.
Ma thermocouple okhala ndi sheathed amagwiritsidwa ntchito kwambiri m'mafakitale monga mafuta, mankhwala, kupanga magetsi, zitsulo, ndi ndege.
Thermocouple yokhala ndi chivundikiro ndi sensa yowunikira kutentha yopangidwa kudzera mu njira yolumikizirana yamakina, kuphatikiza mawaya a thermocouple, zinthu zotetezera kutentha, ndi chivundikiro chachitsulo. Imakhala ndi kusinthasintha, kukana kutentha kwambiri, komanso kulekerera kuthamanga kwambiri. Poyerekeza ndi ma thermocouple achizolowezi, mtundu wa chivundikirocho uli ndi mainchesi ochepa komanso kupindika bwino, zomwe zimapangitsa kuti ikhale yoyenera kuyeza kutentha m'malo opapatiza komanso ovuta kufikako, komanso imapereka yankho mwachangu.
Mfundo Yogwirira Ntchito ya Ma Thermocouple Okhala ndi Chigoba
Mfundo yoyezera kutentha kwa thermocouple yokhala ndi chigoba ndi yofanana ndi ya thermocouple yokhazikika, kutengera zotsatira za Seebeck. Pamene pali kusiyana kwa kutentha pakati pa malo oyezera (mapeto otentha) ndi malo ofotokozera (mapeto ozizira/mapeto olumikizirana), mphamvu yamagetsi yotentha (EMF) imapangidwa mu dera lopangidwa ndi ma conductor awiri osiyana. Poyezera EMF yotentha iyi, kutentha pa malo oyezera kumatha kudziwika.
Makhalidwe a Sheathed Thermocouples
• Nthawi yofulumira yoyankha kutentha komanso cholakwika chochepa cha mphamvu
• Mphamvu yamakina yapamwamba, yolimbana ndi kupanikizika, kugunda, ndi kugwedezeka
• Kukhazikitsa kosavuta chifukwa cha kupindika
• Yolimba ku kutentha kwambiri komanso dzimbiri
Kugwiritsa Ntchito Ma Thermocouple Okhala ndi Sheathed
• Kuwongolera njira zamafakitale:Kuyang'anira ndi kulamulira kutentha m'mapaipi, ma reactor, ndi zida zina m'mafakitale a mafuta, mankhwala, ndi magetsi.
• Kugwiritsa ntchito kutentha kwambiri komanso kugwiritsa ntchito zitsulo:Kuyeza kutentha mu zipangizo zotentha kwambiri monga ma uvuni ndi zitofu zophulika m'mafakitale achitsulo ndi simenti.
• Malo apadera:Kuyeza kutentha mwachangu kapena malo otsekedwa poyesa injini za ndege ndi kafukufuku wa sayansi.
• Mikhalidwe yovuta:Malo ovuta ogwirira ntchito okhudzana ndi kugwedezeka, kuthamanga kwambiri, zofunikira kuti zikhazikike mokhota, kapena kufunikira kuyankhidwa mwachangu.
Mitundu ya Thermocouple Measuring Junction
Mtundu wokhazikika:Malo oyezera amalumikizidwa ku chivundikiro, zomwe zimapangitsa kuti pakhale yankho lachangu kwambiri. Komabe, siloyenera kugwiritsidwa ntchito poyendetsa kapena kuwononga zinthu.
Mtundu wopanda nthaka:Malo oyezera ali ndi magetsi otetezedwa kuchokera ku chivundikirocho. Amapereka yankho lochedwa koma lolimba la phokoso, ndi mtundu womwe umagwiritsidwa ntchito kwambiri, ndipo umakhala ndi moyo wautali.
Mtundu wowonekera:Malo oyezera amaonekera kunja kwa chivundikirocho, zomwe zimapangitsa kuti wayawo ayambe kugwedezeka mwachangu kwambiri. Komabe, mawayawo amatha kuwonongeka, zomwe zimapangitsa kuti asamagwiritsidwe ntchito kwambiri pa zinthu zouma komanso zosawononga.
Mitundu ya Thermocouples
| Mtundu wa Thermocouple | Chiwerengero cha Muyeso | Kalasi Yolondola Yoyamba | Kulondola Kalasi Yachiwiri |
| K | -40 mpaka 1200℃ | ±1.5℃ | ±2.5℃ |
| N | -40 mpaka 1200℃ | ±1.5℃ | ±2.5℃ |
| E | -40 mpaka 900℃ | ±1.5℃ | ±2.5℃ |
| J | -40 mpaka 750℃ | ±1.5℃ | ±2.5℃ |
| T | -40 mpaka 1000℃ | ± 0.5℃ | ±1.0℃ |
| S | 0 mpaka 1600℃ | ±1.0℃ | ±1.5℃ |
Buku Lotsogolera Kusankha Thermocouple
Mtundu wa Thermocouple:K, N, E, J, T, S
Kalasi Yolondola:Ine / II
Chiwerengero cha Zinthu:Imodzi / Yapawiri
Kulumikizana kwa Njira:Yopangidwa ndi Ulusi kapena Flange, Yochotsedwa kapena Yokhazikika
Mtundu wa Mgwirizano Woyezera:Yotetezedwa, Yokhazikika, Yowonekera
Zofunika pa Chidebe:304/316L/321 Chitsulo Chosapanga Dzira, Inconel 600, GH3030/GH3039 (GB/T)
Chimake cha m'chimake (mm):φ2, φ3, φ4, φ5, φ6, φ8
Kutalika kapena Kuzama kwa Kuyika:Zosinthika
Mtundu wa Mutu Wolumikizira:Yosalowa Madzi, Yosalowa Madzi, Yozungulira Yolumikizana Mwachangu, Yosalala Yolumikizana Mwachangu, Mtundu wa Chogwirira, Yokhala ndi Chingwe Cholipirira
Kuti mudziwe zambiri zokhudza zinthu zathu zogwiritsidwa ntchito ndi thermocouple, chonde titumizireni uthenga. Tidzakuyankhani mwamsanga.













