Momwe Mungakonzere Valavu Yotayikira: Konzani Mavuto a Valavu Yotayikira ndi Valavu Yolowera
Ma valve a mpira ndi zinthu zofunika kwambiri mu makina owongolera madzi, koma kutayikira kumatha kuyambitsa kulephera kugwira ntchito, zoopsa zachitetezo, komanso kuwononga mphamvu zambiri. Buku lofotokozera bwino ili likufotokoza momwe mungakonzere ma valve a mpira omwe akutayikira, kuthetsa kutayikira kwa ma valve, komanso kukonza ma valve a pachipata chofunikira.
Gawo 1: Kukonza Kutayikira kwa Valavu ya Mpira
Kutuluka kwa Madzi Kunja (Kumaoneka):
1. Kutuluka kwa tsinde la vavu:
- Chifukwa:Zipangizo zopakira zosweka.
- Konzani:Mangani mabotolo a gland kapena musinthe ndi bellows/low-leakage packing.
2. Kutuluka kwa Chisindikizo cha Thupi/Flange:
- Zifukwa:Zisindikizo za flange zowonongeka, zolumikizira zotayirira, kapena kuyika kolakwika.
- Konzani:Sinthani zomangira za flange, mangani mabolt a flange, kapena sinthani zinthu zomangira valavu.
Kutuluka kwa Mkati (Kobisika):
Zifukwa:Kutseka kosakwanira, malo otsekera okanda, kapena mpira/mpando wosweka.
Konzani:Sinthani malire otsekera, yeretsani malo otsekera, kapena sinthani zinthu zomwe zawonongeka.
Malangizo Abwino: Pa makina amphamvu kwambiri, gwiritsani ntchito ma valve a mpira okhala ndi zitsulo kuti mupewe kutuluka kwa madzi mkati.
Gawo 2: Mayankho Okhudza Kutuluka kwa Ma Valve Stem
Njira Zofunikira Zokonzera:
1. Mangani mabotolo a ma gland opakira mofanana (gwiritsani ntchito torque wrench).
2. Sinthani kulongedza kwachizolowezi ndi:
-Zisindikizo za Bellows (makina otentha kwambiri)
- Kupaka ndi graphite (kugwiritsa ntchito mankhwala)
3. Pakani mafuta opangidwa ndi PTFE kotala lililonse.
Gawo 3: Buku Lowongolera Kukonza Ma Valuvu a Chipata
Zolephera ndi Zokonza Zofala:
| Nkhani | Chifukwa | Yankho |
|---|---|---|
| Kutaya madzi | Zisindikizo zosweka/mipando yomasuka | Sinthani ma gasket, mangani mabolts |
| Kumamatira | Kusonkhanitsa zinyalala | Tsukani dzenje, thirani mafuta tsinde |
| Phokoso | Malo otseka osafanana | Sinthani diski/mpando |
| Kulephera kwa Ntchito | Tsinde lopindika | Sinthani kapena sinthani tsinde |
Chidziwitso Choteteza: Nthawi zonse chepetsani kupanikizika kwa zingwe musanakonze ma valve a chipata.
Gawo 4: Kukonza Mwachangu kwa Ma Valves Ena
Ma Valves a Globe:
- Kukonza Kutaya:Sinthani zomatira za tsinde + gasket ya pansi.
- Kutsekeka:Tsukani ndi solvent, mafuta tsinde.
Ma Valuvu a Gulugufe:
- Kutaya kwa Chisindikizo:Konzaninso diski, mangani mabotolo a flange mofanana.
- Kutha kwa Kutaya:Sinthani ma gaskets olephera + mphete yotsekera.
Mndandanda Woyang'anira Kukonza Ma Valuvu
1. Mwezi uliwonse:Yang'anani mitengo/zomangira kuti muwone ngati zatha.
2. Kotala lililonse:Pakani mafuta m'mitengo, ndi kulumikizana ndi mphamvu.
3. Chaka chilichonse:Sinthani zomangira, ma valve oyesera kupanikizika.
4. Machitidwe a Hydraulic:
- Gwiritsani ntchito mafuta osefedwa okha
- Zosungira mphamvu zokhala ndi nayitrogeni (Osapanga mpweya)
Malamulo Ofunika Kwambiri Okhazikitsa
- Ikani pamalo otsekedwa
-Lumikizani ma flanges mofanana (kupewa kupsinjika kwa tsinde)
-Tsatirani zofunikira za torque ya wopanga
-Mapaipi otetezedwa: Malo ogwirira ntchito mopingasa
Mapeto
Kudziwa bwino momwe mungakonzere ma valve a mpira omwe akutuluka, kutuluka kwa ma valve stem, ndi kukonza ma valve a chipata kumatsimikizira chitetezo cha makina ndikuchepetsa nthawi yogwira ntchito. Chitani kukonza mwachangu pogwiritsa ntchito chitsogozochi, ndipo funsani opanga kuti akuthandizeni kupeza njira zina zomwe zingakuthandizeni.
Nthawi yotumizira: Julayi-02-2025





