Kutentha kumakhala kochepa m'nyengo yozizira. Ngati choyezera madzi cha ultrasonic chayikidwa panja kapena paipi popanda njira zotetezera kutentha, n'zosavuta kuwonongeka chifukwa cha kuzizira kwapakati. Malangizo 5 otsatirawa angagwiritsidwe ntchito pokonza kutentha kosazizira:
Langizo 1: Chitani bwino ntchito yoteteza kutentha kwa mapaipi ndi zida. Manga flowmeter ndi payipi mkati mwa mamita atatu musanayigwiritse ntchito bwino komanso mutagwiritsa ntchito thonje loteteza kutentha (ubweya wa miyala kapena polyurethane ndi wofunikira, ndipo makulidwe a thermal insulation amatsimikiziridwa malinga ndi kutentha kochepa kwapafupi, nthawi zambiri osapitirira 50mm). Manga thonje loteteza kutentha ndi nsalu yosalowa madzi kuti mvula ndi chipale chofewa zisalowe ndikupangitsa kuti thermal insulation isalowe. Kwa madera ozizira kumpoto kwa China, chingwe chotenthetsera chikhoza kuyikidwa mkati mwa thermal insulation layer. Mphamvu ya chingwe chotenthetsera ndi 10-20W/m, zomwe zimatha kusunga kutentha kwa payipi pamwamba pa 0℃ mutayiyatsa kuti mupewe kuzizira kwapakati.
Langizo lachiwiri: Sankhani malo oyenera kuyikamo. Yesani kuyika flowmeter mkati kapena pamalo otetezedwa kuti mupewe kukumana ndi mphepo ndi chipale chofewa. Ngati iyenera kuyikidwa panja, shed yoteteza iyenera kumangidwa. Kutalika kwa shed yoteteza sikuyenera kupitirira mamita 1.5 kuti zitsimikizire kuti mpweya wabwino ukuyenda bwino ndikuletsa zida kuti zisawonongeke ndi dzuwa komanso mvula.
Langizo 3: Yang'anani nthawi zonse momwe zinthu zilili. M'nyengo yozizira, ngati zinthu zomwe zimayesedwa ndi madzi kapena zakumwa zina zosavuta kuzizizira, ndikofunikira kuyang'ana kutentha kwapakati komwe kumawonetsedwa ndi zida nthawi zonse tsiku lililonse. Ngati kutentha kuli pafupi ndi 0℃, kuchuluka kwa madzi oyenda kungawonjezedwe moyenera (posintha valavu ya payipi), kapena mankhwala oletsa kuzizira angawonjezedwe ku mankhwala oletsa kuzizira (ndikofunikira kutsimikizira kuti mankhwala oletsa kuzizira akugwirizana ndi payipi ndi zipangizo kuti apewe dzimbiri). Ngati zipangizozo sizinagwiritsidwe ntchito kwa nthawi yayitali, mankhwala omwe ali mu payipi ayenera kuchotsedwa kuti apewe kuwonongeka kwa zipangizo chifukwa cha kuzizira ndi kufalikira.
Langizo 4: Yang'anani momwe zida zimatsekerera. Yang'anani ngati chingwe cha rabara chotsekerera cha chivundikiro cha flowmeter chakalamba kapena chawonongeka. Ngati kutsekererako kuli koipa, mvula ndi chipale chofewa zidzalowa mu zidazo ndikuyambitsa kufupika kwa magetsi. Silicone sealant ingagwiritsidwe ntchito kulimbitsa ziwalo zotsekedwa nthawi zonse. Nthawi yomweyo, yang'anani ngati chivundikiro chosalowa madzi chomwe chili pamalo olumikizira probe chili bwino. Ngati chawonongeka, chiyenera kusinthidwa nthawi yake kuti madzi asalowe mkati mwa probe.
Langizo 5: Chitani bwino chithandizo chadzidzidzi. Ngati zapezeka kuti cholumikizira chazimitsidwa, musachikakamize kuti chizimitsidwe kapena kugogoda chipangizocho. Choyamba, tsekani valavu yapaipi kuti musiye kuyenda kwa cholumikizira, kenako pang'onopang'ono tsanulirani madzi ofunda (kutentha kosapitirira 60℃) pa gawo lozimitsidwalo. Cholumikiziracho chikasungunuka kwathunthu, yang'anani ngati chipangizocho chili ndi madzi otayikira, kuwonongeka kwa zigawo zake ndi zina. Tsimikizani kuti ndi chachibadwa musanachiyatse.
Nthawi yotumizira: Okutobala-21-2025