Titanium bututu don bututun kariya na thermocouple
Kalmomin "thermowell" da "bututun kariya" ana amfani da su sosai wajen auna zafin masana'antu da sarrafawa. Ko da yake amfaninsu yana kama da juna, akwai wasu bambance-bambance tsakanin su biyun:
Thermowell:
Thermowell bututu ne mai rufewa da aka sanya a cikin jirgin ruwa mai sarrafawa ko bututu don kare firikwensin zafin jiki, kamar na'urar gano yanayin zafi ko juriya (RTD), daga ruwan da ake sarrafawa. Thermowells suna ba da damar shigar da na'urori masu auna zafin jiki a cikin tsari yayin samar da shingen da ke kare firikwensin daga yanayin lalacewa, abrasive, ko matsanancin matsa lamba na ruwan tsari. Thermowells an ƙera su don ware firikwensin zafin jiki daga yanayin tsari yayin ba da izinin ma'aunin zafin jiki daidai.
Bututun kariya:
Bututun kariya, a daya bangaren, bututu ne ko kwasfa da ke yin irin wannan manufa ga ma'aunin zafi da sanyio. Ana amfani da shi don kare na'urori masu auna zafin jiki daga yanayin aiki mai tsauri, kamar yanayin zafi mai zafi, gurɓataccen yanayi ko abrasives. Ana amfani da bututun kariya galibi a aikace-aikace inda bayyanar firikwensin zafin jiki kai tsaye zuwa yanayin tsari na iya haifar da lalacewar firikwensin ko rashin ingantaccen karatun zafin jiki.
Don taƙaitawa, yayin da ake amfani da ma'aunin zafi da sanyio da bututun kariya don kare na'urori masu auna zafin jiki, yawanci ana tsara thermowells tare da rufaffiyar iyakar kuma a sanya su cikin kwantena ko bututu, yayin da bututun kariya sun fi dacewa kuma ana iya amfani da su a aikace-aikace iri-iri. An saita don kare firikwensin zafin jiki daga mummuna yanayi.
Lokacin zabar nau'in thermocouple, ya kamata a yi la'akari da abubuwa da yawa don tabbatar da cewa ya dace da takamaiman aikace-aikacen:
1. Yanayin zafin jiki: Ƙayyade yawan zafin jiki na aikace-aikacen. Nau'o'in thermocouple daban-daban suna da iyakokin zafin jiki daban-daban, don haka zaɓi nau'in da zai iya auna daidai yanayin zafin da ake sa ran.
2. Daidaitaccen buƙatun: Yi la'akari da daidaiton da ake buƙata don auna zafin jiki. Wasu nau'ikan thermocouple suna ba da daidaito mafi girma fiye da wasu, musamman a cikin takamaiman kewayon zafin jiki.
3. Yanayin muhalli: Yi la'akari da yanayin muhalli, ciki har da kasancewar abubuwa masu lalata, girgiza da matsa lamba. Zaɓi nau'in thermocouple wanda zai iya jure abubuwan muhalli da ke cikin aikace-aikacen.
4. Lokacin amsawa: Yi la'akari da lokacin amsawa da ake buƙata don auna zafin jiki. Wasu nau'ikan thermocouple suna da saurin amsawa fiye da wasu.
5. Farashin: Yi la'akari da farashin nau'in thermocouple kuma la'akari da kasafin kudin aikace-aikacen.
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