Kukhazikika bwino ndi gawo lofunika kwambiri pakukhazikitsa mita yoyendera magetsi. Popeza mita yoyendera magetsi imayesa chizindikiro chaching'ono kwambiri chamagetsi chomwe chimapangidwa ndi kuyenda kwa madzi oyendetsera magetsi kudzera mu mphamvu ya maginito, kusokoneza magetsi akunja kapena mphamvu yosakhazikika yowunikira magetsi ingakhudze kukhazikika kwa muyeso.
Mphete zomangira pansi ndi ma electrode omangira pansi zimagwiritsidwa ntchito kuonetsetsa kuti madzi, thupi la sensa, ndi mapaipi ali ndi mphamvu yofanana yamagetsi, zomwe zimapereka chisonyezero chokhazikika cha muyeso ndikuchepetsa phokoso la chizindikiro.
Nchifukwa chiyani nthaka ikufunika pa mita yoyezera kuyenda kwa magetsi (Electromagnetic flow meter)?
Choyezera kuyenda kwa magetsi pogwiritsa ntchito magetsi (electromagnetic flow meter) chimagwira ntchito motsatira lamulo la Faraday la Electromagnetic Induction. Pakuyeza, chizindikiro cha magetsi chomwe chimapangidwa pakati pa ma electrodes nthawi zambiri chimakhala chochepa kwambiri, nthawi zambiri chimakhala ma millivolts ochepa okha.
Popeza chizindikiro choyezera ndi chosavuta kwambiri, ma electromagnetic flow mita amatha kukhudzidwa ndi:
* Mafunde amagetsi osochera mu payipi
* Phokoso lamagetsi kuchokera ku ma mota kapena ma frequency converters
* Mikhalidwe yoipa ya nthaka
* Zipangizo za mapaipi osayendetsa mpweya
* Machitidwe oteteza Cathodic
Popanda kukhazikika bwino, chizindikiro cha kuyenda kwa madzi chikhoza kukhala chosakhazikika, zomwe zimayambitsa:
* Kusintha kwa chiwonetsero cha flow
* Mfundo ya zero yolakwika
* Zolakwika muyeso
* Zizindikiro zotuluka zosakhazikika
Choncho, dongosolo lodalirika lokhazikitsa pansi ndilofunika kuti ntchito ikhale yolondola komanso yokhazikika.
Kodi Mphete Zomangira Pansi Ziyenera Kuyikidwa Kuti?
Mphete zomangira pansi nthawi zambiri zimayikidwa pakati pa flange ya flowmeter ndi flange ya pipeline.
Mphete yoyambira iyenera kuyikidwa m'malo oti igwirizane mwachindunji ndi madzi oyendetsera magetsi ndikulumikizidwa ndi magetsi ku malo oyambira magetsi.
Njira yokhazikitsira yachizolowezi ndi iyi:
1. Ikani mphete yoyambira pakati pa sensa ya flange ndi flange ya pipeline.
2. Onetsetsani kuti gasket yotsekerayo siphimba pamwamba pa mphete ya pansi yomwe imakhudza madzi.
3. Lumikizani mphete yoyambira pansi ku malo oyambira pansi pa mita yoyendera magetsi pogwiritsa ntchito waya woyambira pansi.
4. Lumikizani dongosololi ndi malo odalirika oti nthaka ikhazikike.
Kodi Mphete Zomangira Pansi Zimafunika Liti?
Mphete zomangira pansi zimalimbikitsidwa makamaka pazochitika zotsatirazi:
1. Mapaipi Osayendetsa Mapaipi
Ngati payipiyo yapangidwa ndi zinthu monga:
* PVC
* PP
* Chitoliro chokhala ndi PTFE
* Chitoliro chokhala ndi rabara
* Pulasitiki yolimbikitsidwa ndi fiberglass (FRP)
Paipi yokha singathe kupereka kulumikizana kwamagetsi kodalirika.
Pazochitikazi, mphete zomangira pansi zimafunika kuti pakhale mgwirizano wokhazikika pakati pa madzi ndi choyezera madzi.
2. Kugwiritsa Ntchito Mapaipi a Pulasitiki
Mapaipi apulasitiki amagwiritsidwa ntchito kwambiri pokonza madzi, kukonza mankhwala, komanso kugwiritsa ntchito m'mafakitale.
Popeza zipangizo zapulasitiki ndi zotetezera magetsi, madzi omwe ali mkati mwa chitoliro amatha kuchotsedwa pa sensa pogwiritsa ntchito magetsi. Kuyika mphete zomangira pansi kumathandiza kuthetsa vutoli.
3. Ntchito Zokhudzana ndi Kusokoneza Magetsi
M'malo opangira mafakitale okhala ndi:
* Ma mota akuluakulu
* Mapampu
* Ma drive osinthasintha osinthika (VFD)
* Zipangizo zowotcherera
Mphete zomangira pansi zingathandize kuchepetsa kusokoneza magetsi ndikuwonjezera kukhazikika kwa muyeso.
Kodi Ma Electrode Okhazikika Ayenera Kuyikidwa Kuti?
Ma electrode okhala pansi nthawi zambiri amaikidwa mwachindunji pa thupi la sensa ya electromagnetic flow meter.
Zapangidwa kuti zipereke chizindikiro chokhazikika chamagetsi pakati pa madzi ndi sensa.
Kutengera kapangidwe ka flow meter, ma electrode oyambira akhoza kukhala:
* Yomangidwa mkati mwa thupi la sensa.
* Yakhazikitsidwa ngati zigawo zosiyana zokhazikitsira nthaka.
* Yophatikizidwa ndi ma electrode ofotokozera.
Ma electrode oyambira ayenera kukhala pamalo olumikizana ndi madzi opangidwa ndi makinawo ndipo ayenera kulumikizidwa mkati kapena kunja malinga ndi kapangidwe ka wopanga.
Kusiyana Pakati pa Mphete Zoyambira ndi Ma Electrode Oyambira
Mphete zomangira pansi ndi ma electrode omangira pansi amagwira ntchito zofanana koma amagwiritsidwa ntchito m'mikhalidwe yosiyanasiyana.
Ma electrode okhala pansi nthawi zambiri amakhala gawo la sensa yoyezera kuchuluka kwa madzi ndipo amapereka mphamvu yowunikira mwachindunji kuchokera kumadzi.
Mphete zomangira pansi ndi zowonjezera zomwe zimayikidwa pakati pa choyezera madzi ndi payipi, zomwe zimagwiritsidwa ntchito makamaka pamene payipi silingathe kupereka maziko oyenera.
Mu mapaipi ambiri achitsulo, ma electrode oyambira pansi angakhale okwanira kale. Komabe, pa mapaipi apulasitiki kapena mapaipi okhala ndi mipanda, mphete zoyambira pansi nthawi zambiri zimalimbikitsidwa.
Malangizo Okhazikitsa Pokhazikitsa Pansi
Kuti muyeze bwino, tsatirani malangizo awa:
1. Gwiritsani ntchito kulumikizana kokhazikika
Choyezera madzi chiyenera kulumikizidwa ku nthaka yodalirika pogwiritsa ntchito chingwe choyenera chokhazikitsira nthaka.
Musadalire pa:
* Mapaipi othandizira
* Ma Flange okha
* Nyumba zachitsulo zapafupi
ngati njira yoyambira.
2. Sungani Kukana kwa Pansi Kochepa
Kulumikiza kwa nthaka kuyenera kukhala ndi mphamvu zochepa zamagetsi kuti pakhale mphamvu yokhazikika yowunikira.
Kusakhazikika bwino kwa nthaka kungayambitse:
* Kusintha kwa chizindikiro
* Kusakhazikika kwa zotsatira
* Kusokoneza kulumikizana
3. Pewani kugawana pansi ndi zida zamphamvu kwambiri
Dongosolo loyezera madzi liyenera kupewa kugwiritsa ntchito malo omwewo oyezera madzi ndi zida zomwe zimapanga phokoso lamagetsi, monga:
* Magalimoto
* Zosinthira
* Makina odulira zitsulo
Malo osiyana oikira pansi amakondedwa m'malo opangira mafakitale.
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4. Samalani ndi Mapaipi Otetezedwa ndi Cathodically
Mapaipi ena amagwiritsa ntchito njira zotetezera za cathodic kuti apewe dzimbiri.
Mu ntchito izi, kulumikizana mwachindunji kwa nthaka kungapangitse njira zosafunikira zamagetsi ndikukhudza kulondola kwa muyeso.
Njira zapadera zoyikira zingafunike, monga kulekanitsa magetsi pakati pa mita yoyendera madzi ndi makina oyambira mapaipi.
Kuyika Pansi pa Zipangizo Zosiyanasiyana za Mapaipi
Pa mapaipi achitsulo:
* Paipi nthawi zambiri imapereka mphamvu zamagetsi zoyendera bwino.
* Ma electrode omangira pansi angakhale okwanira ngati payipiyo yakhazikika bwino.
Pa mapaipi apulasitiki:
* Mphete zomangira pansi zimalimbikitsidwa kwambiri.
* Choyezera kayendedwe ka madzi sichingadalire paipi kuti chigwiritsidwe ntchito pamagetsi.
Pa mapaipi okhala ndi mipanda:
* Onani ngati zinthu zomwe zili mkati mwake zikuteteza kutentha kwa magetsi.
* Gwiritsani ntchito mphete zomangira pansi ngati madziwo achotsedwa paipi pogwiritsa ntchito magetsi.
Mavuto ndi Mayankho Ogwirizana
Vuto: Chizindikiro cha kuyenda kwa madzi chimasinthasintha pambuyo pokhazikitsa
Zifukwa zomwe zingatheke:
* Kulumikizana koyipa kwa nthaka
* Kusokoneza magetsi
* Palibe mphete zomangira pansi zomwe zayikidwa pa mapaipi oteteza kutentha
Yankho:
* Yang'anani kukana kwa nthaka.
* Tsimikizani kulumikizana kwa chingwe cha pansi.
* Ikani mphete zomangira pansi ngati pakufunika.
Vuto: Chida choyezera madzi chimagwira ntchito bwino mufakitale koma sichigwira ntchito bwino pamalopo
Zifukwa zomwe zingatheke:
* Mikhalidwe yosiyanasiyana yokhazikika pamalopo.
* Kusokoneza kwa mapampu kapena ma frequency converters.
* Njira yolakwika yokhazikitsira nthaka.
Yankho:
* Konzani kulumikizana kwa nthaka.
* Ikani malo okhazikika.
* Siyanitsani choyezera madzi ndi zida zamagetsi zomwe zimakhala ndi phokoso.
Mphete zomangira pansi ndi ma electrode omangira pansi zimagwira ntchito yofunika kwambiri pakuwonetsetsa kuti kuyenda kwa ma elekitiromagineti molondola komanso mokhazikika.
Ma electrode oyambira nthawi zambiri amaikidwa pa sensa yoyezera kuchuluka kwa madzi kuti apereke mphamvu yowunikira mwachindunji kuchokera kumadzi. Mphete zoyambira zimayikidwa pakati pa flange ya flow meter ndi flange ya pipeline, makamaka pogwiritsa ntchito mapaipi osayendetsa magetsi kapena pamene chitetezo chowonjezera cha nthaka chikufunika.
Kukhazikitsa nthaka moyenera kumathandiza kuchepetsa kusokoneza magetsi, kukhazikika kwa zizindikiro zoyezera, ndikuwonetsetsa kuti mita yoyendera magetsi ikugwira ntchito bwino kwa nthawi yayitali.
Nthawi yotumizira: Julayi-27-2026