Mokhoa oa ho fokotsa phoso ea tekanyo e bakoang ke tšebeliso ea li-thermocouples?Pele ho tsohle, e le hore re rarolle phoso, re lokela ho utloisisa sesosa sa phoso e le hore re rarolle bothata ka katleho!A re shebeng mabaka a 'maloa a phoso.
Ntlha ea pele, etsa bonnete ba hore thermocouple e kenngoa ka nepo.Haeba e sa kenngoa hantle, phoso e tla etsahala.Lintlha tse latelang ke lintlha tse 'nè tsa ho kenya thermocouple.
1. Botebo ba ho kenya e lokela ho ba bonyane makhetlo a 8 bophara ba tube e sireletsang;sebaka se pakeng tsa tube e sireletsang le lerako la thermocouple ha e tlatsoe ka lintho tse sireletsang, tse tla etsa hore mocheso o phalle ka sebōping kapa ho kenella moeeng o batang, 'me ho etse hore tube e sireletsang ea thermocouple le lesoba la lerako la sebōpi Lekhalo le koetsoe ke lisebelisoa tse thibelang metsi tse kang. seretse se refractory kapa khoele ea k'hothone ho qoba convection ea moea o chesang le o batang, o amang ho nepahala ha tekanyo ea mocheso.
2. Qetellong e batang ea thermocouple e haufi haholo le 'mele oa sebōpi,' me mocheso oa karolo ea ho lekanya o phahame haholo;
3. Ho kenngoa ha thermocouple ho lokela ho leka ho qoba matla a matla a khoheli le matla a matla a motlakase, kahoo thermocouple le thapo ea motlakase ha lia lokela ho kenngoa phala e le 'ngoe ho qoba liphoso tse bakoang ke ho kena-kenana.
4.Thermocouples e ke ke ea kenngoa libakeng tseo mokhoa o lekantsoeng o phallang ka seoelo.Ha o sebelisa thermocouple ho lekanya mocheso oa khase ka har'a tube, thermocouple e tlameha ho kenngoa ka lehlakoreng le ka morao la lebelo 'me e kopane ka ho feletseng le khase.
Taba ea bobeli, ha u sebelisa thermocouple, phetoho ea insulation ea thermocouple le eona ke e 'ngoe ea mabaka a phoso:
1. litšila tse feteletseng le slag letsoai pakeng tsa eleketrode thermocouple le lerako la sebōpi tla etsa hore insulation futsanehileng pakeng tsa eleketrode thermocouple le lerako la sebōpi, e leng ke keng ea baka feela tahlehelo ea matla a thermoelectric, empa hape le tšitiso, 'me ka linako tse ling phoso e ka ba ea fihla ho makholo. likhato tsa Celsius.
2. Phoso e bakoang ke ho hanyetsa mocheso oa thermocouple:
Ho ba teng ha lerōle kapa molora oa mashala holim'a tube ea tšireletso ea thermocouple ho eketsa ho hanyetsa mocheso le ho sitisa mocheso oa mocheso, 'me boleng ba pontšo ea mocheso bo tlaase ho feta boleng ba' nete ba mocheso o lekantsoeng.Ka hona, boloka tube ea tšireletso ea thermocouple e hloekile.
3. Liphoso tse bakoang ke inertia ea thermocouples:
Inertia ea thermocouple e etsa hore boleng bo bontšang hore sesebelisoa se saletse morao ho fetoha ha mocheso o lekantsoeng, kahoo li-thermocouples tse nang le phapang e nyenyane haholo ea mocheso le li-diameter tse nyenyane tse sireletsang li lokela ho sebelisoa ka hohle kamoo ho ka khonehang.Ka lebaka la hysteresis, mefuta e fapaneng ea ho fetoha ha mocheso e fumanoang ke thermocouple e nyenyane ho feta tekanyo ea ho fetoha ha mocheso oa sebōpi.Ka hona, e le ho lekanya mocheso ka nepo, lisebelisoa tse nang le conductivity e ntle ea mocheso li lokela ho khethoa, 'me li-sleeve tse sireletsang tse nang le marako a tšesaane le li-diameter tse nyenyane tse ka hare li lokela ho khethoa.Ka tekanyo e phahameng ea mocheso oa mocheso, li-thermocouples tse se nang letho ntle le matsoho a sireletsang hangata li sebelisoa.
Ka bokhutšoanyane, phoso ea tekanyo ea thermocouple e ka fokotsoa ka likarolo tse 'nè: mohato o le mong ke ho hlahloba hore na thermocouple e kentsoe ka nepo, mohato oa bobeli ke ho hlahloba hore na ho kenngoa ha thermocouple ho fetotsoe, mohato oa boraro ke ho hlahloba hore na thermocouple e kenngoa ka nepo. tube ea tšireletso ea thermocouple e hloekile, 'me mohato oa bone ke Phoso ea thermoelectric e bakoang ke esita le inertia!
Nako ea poso: Dec-17-2020