He maha ngā kamupene e pai ana ki te whakapau moni ki ngā pūwero hau tīwiri kounga teitei, engari kāore e arohia ana e rātou te hiranga o te diameter o ngā paipa hau kōpeke.
Ka hua ake tēnei i ētahi raruraru: te pēhanga hau e rerekē ana, te kore e ranea te mana o ngā taputapu, te mahi auau o te pūwero hau, te piki haere tonu o ngā pire hiko, me te poto o te roa o te ora o te pūwero. Heoi, he maha ngā kaiwhakahaere kamupene e aro ana ki te whai huatanga o te pūngao o te pūwero hau tonu, me te kore e aro ki te pūnaha paipa e hono ana i ngā momo pūwāhi kai hau. Inaa, ehara i te mea he hapa te pūwero hau, engari he iti rawa ngā paipa.
Kāore i te rawaka te whānui o te paipa. Ka rere te hau kōpeke mā roto i te paipa, ka puta he ātete. Ka puta te hau kōpeke i te putanga o te pūwero hau, ka haere mā roto i te pouaka whakamatao, te whakamaroke, me te tātari, kātahi ka haere mā roto i ngā rau mita o te paipa i mua i te taenga ki te wāhi e pau ai. Ka puta te ngaronga pēhanga i ia piko, i ia takirere, i ia huringa rānei o te whānui i te huarahi. He iti ake te whānui o te paipa → he tere ake te rere → he nui ake te ngaronga pēhanga → he nui ake te hiko e pau ana i te pūwero hau. E whakaatu ana ngā whakamātautau ahumahi mō ia ngaronga pēhanga 0.1 MPa, ka piki ake ngā utu hiko wheketere mā te 5%–7%. Mena he iti rawa te paipa, ko te utu hiko tāpiri mō te tau kotahi ka taea te hoko i tētahi pūwero hau hou.
Ko te tikanga o te mahi pēhanga teitei ko te kawenga nui tonu o te pūwero hau. Ka arahi pea tēnei ki: te korenga o te pēhanga hau i roto i ngā taputapu pito, ka heke te pai o te whakaputa; te kohikohinga wai me te hinu i roto i ngā paipa, ka puta te waikura; te tere o te pakaru o te rotor tīwiri, ngā peera, me ngā hiri hinu nā te kawenga auau teitei 24-hāora, ka piki ake te tere o te pakaru; te pakaru pinepine o ngā taputapu hau me ngā ringa karetao, ka nui ake ngā utu tiaki; ā, ko te wae matua i hangaia tuatahitia mō te roanga o te ora 100,000-hāora, tera pea ka heke te pai o te mahi i muri i te 50,000 hāora noa iho.
Ngā Paerewa Kōwhiringa Matua o te Diameter Paipa (Wheketere Whānui)
Pēhanga Noa o te Wheketere: 0.7-0.8MPa
Te Kōwhiri i te Diameter Paipa Tika E toru noa ngā Pūwāhi Raraunga e Hiahiatia ana:
1. Te Rere o te Tukunga o te Pūwero Hau (Te Mea Tino Hira)
2. Te Tawhiti o te Paipa
3. Te maha o ngā tuke me ngā takirere
Ture Koura: He pai ake te rahi ake i te iti ake, he nui ake mō ngā paipa roa ake, he whānui ake mō ngā tuke maha ake
Ngā Take Motuhake e Hiahiatia ai he Diameter Nui Ake
He maha ngā wheketere e hē ana mā te kore e aro ki ēnei āhuatanga e toru:
✅ Neke atu i te 50 mita te tawhiti o te paipa → Me whakanui ake kia kotahi te rahi hei whakaiti i te hekenga pēhanga
✅ He maha ngā tuke, ngā piko, me ngā takirere → He ātete teitei, he nui ake te diameter o te paipa e hiahiatia ana
✅ He maha ngā pūwero hau e tuku ana i te hau ki waenganui, e whakamahi ana rānei i ngā taputapu hau e mahi tahi ana → Me matotoru ake te paipa matua
Hei whakarāpopototanga: Mō ngā tawhiti roa me ngā tuke maha, whakanuia noa te whānui o te paipa mā te kotahi te rahi; e kore rawa koe e he.
| kounga | whānuitanga rere | waka noa |
| DN15 | (0.015~3) m³/h | 1.5 m³/h |
| DN20 | (0.025~5) m³/h | 2.5 m³/h |
| DN25 | (0.035~7) m³/h | 3.5 m³/h |
| DN32 | (0.06~12) m³/h | 6 m³/h |
| DN40 | (0.1~20) m³/h | 10 m³/h |
| DN50 | (0.15~30) m³/h | 15 m³/h |
| DN65 | (0.25~50) m³/h | 25 m³/h |
| DN80 | (0.4~80) m³/h | 40 m³/h |
| DN100 | (0.6~120) m³/h | 60 m³/h |
| DN125 | (1~200) m³/h | 100 m³/h |
| DN150 | (1.5~300) m³/h | 150 m³/h |
| DN200 | (2.5~500) m³/h | 250 m³/h |
| DN250 | (4~800) m³/h | 400 m³/h |
| DN300 | (6~1200) m³/h | 600 m³/h |
| DN350 | (7.5~1500) m³/h | 750 m³/h |
| DN400 | (9~1800) m³/h | 900 m³/h |
| DN450 | (12~2400) m³/h | 1200 m³/h |
| DN500 | (15~3000) m³/h | 1500 m³/h |
Te Hononga Tauanga i waenganui i te Diameter Paipa me te Hekenga Pēhanga
Ko te kaupapa matua o te mārama ki tēnei raruraru kei roto i te tātai a Darcy-Weisbach: he rite tonu te hekenga o te pēhanga ki te roa o te paipa, ā, he rite whakamuri ki te mana tuarima o te whānui o te paipa. Ko te tikanga o tēnei, mā te whakapai ake i te whānui o te paipa mai i te DN50 ki te DN80, me te pikinga 60% noa iho o te whānui, ka taea te whakaiti i te hekenga o te pēhanga i te tere rere kotahi mā te 90%.
He tauira noa: he paipa 200-mita te roa e kawe ana i te hau kōpeke 10 m³/min, he tata ki te 0.7 pae te hekenga pēhanga mō te paipa DN50, engari he 0.07 pae noa iho mō te paipa DN80. Ko te tikanga o tēnei rerekētanga 0.6 pae ka taea te whakaheke i te pēhanga putanga o te kōpeke hau mā te 0.6 pae, ka penapenahia ngā tekau mano yuan i roto i ngā utu hiko ia tau—ko te haumitanga kotahi ki te whakarerekētanga paipa ka taea te whakahoki mai i roto i te tau kotahi.
Me pēhea te whiriwhiri i ngā rauemi mō te paipa?
Mō ngā awheawhe whānui, ngā ahumahi taumaha, ngā maina waro, me ngā mira maitai:
He paipa maitai whakapūmau, he paipa honohono tere, he paipa konumohe-konumohe. He pakari, he roa, ā, kāore e ngāwari te whakapē, he pai mō ngā āhuatanga mahi uaua.
Ngā awheawhe kai, rongoā, hikohiko, me ngā taputapu tino tika
Ngā paipa maitai kore waikura 304 e taunakitia ana
Kore wai, kore hinu, ma, kore waikura, ā, e whakarato ana i te putunga hau pumau ake.
Ngā Tohutohu Tāutanga hei Penapena i ngā Pire Hiko mō ngā Tau e Toru
1. Me whai paripari ngā paipa matua hei whakahaere i te rerenga wai;
2. Me hono ngā paipa peka katoa mai i te tihi o te paipa matua hei ārai i te kohikohinga wai me ngā poke;
3. Me tāuta ngā takirere waikeri ki ngā wāhi iti hei whakaheke i te wai i ia wā;
4. Whakaitihia te whakamahinga o ngā piko me ngā whakarerekētanga diameter hei whakaiti i te ngaronga pēhanga.
Whakarāpopototanga:Kia maumahara ki tēnei i te wā e whiriwhiri ana i te diameter o te paipa: Whakatauhia te diameter i runga i te tere rere; ko ngā diameter nui ake mō ngā tawhiti roa, ko ngā diameter matotoru ake mō ngā piko maha; ko te mea nui ake kaua ko te mea iti iho.
Mā te whiriwhiri i ngā paipa tika ka penapena hiko i roto i ngā pēhi hau, ka roa te mahi a te mīhini, ka pumau te whakaputa, ā, ka whakaiti i ngā hapa.
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Wā tuku: Mei-06-2026
