He aha te ngongo Venturi
Ko te ngongo Venturi, e mōhiotia ana ko te ngongo Venturi, ko te pūwero Venturi rānei, he taputapu e whakamahia ana hei ine i te rerekētanga pēhanga o te wai. Ka whakamahia e ia te mātāpono Bernoulli me te whārite Cauchy i roto i ngā nekehanga wai tonu hei whakaputa i te rerekētanga pēhanga ina haere te wai mā roto i ngā āhua whakawhāiti me te whakawhānui i hangaia motuhake i roto i te paipa, ā, ka hurihia tēnei rerekētanga pēhanga hei uara ine o te tere rere me te tere rere.
Te kaupapa mahi o te ngongo Venturi
Ko te ngongo Venturi he paipa kōniko roa, he wāhanga whakawhāiti kei waenganui o te paipa. Ka piki ake te tere o te wai, ka heke hoki te pēhanga ina haere mā roto i tēnei wāhanga whakawhāiti; kātahi ka hoki mārire ki tōna āhua taketake i te wāhanga whakawhanui. Mā te ine i te rerekētanga pēhanga i waenga i te wāhanga whakawhāiti me te wāhanga whakawhanui, ka taea te whakatau i te tere rere me te tere rere o te wai.
Ngā momo takirere i roto i te Ngongo Venturi
Ko ngā momo takirere i roto i ngā paipa Venturi ko ēnei e whai ake nei:
Takirere rōrahi hau pumau:
Ko te mahi a tēnei takirere he pupuri i te putanga hau kia pumau.
Takirere pūmau:
Ka taea te huri hei whakarato i ngā tere rere hau e rua, arā, te tere rere mōrahi me te tere rere mōkito.
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Takirere rōrahi hau rerekē:
He tino tere te aro atu, ka taea te urupare ki ngā tohutohu i roto i te 1 hēkona, ā, ka taea te whakahaere i te rere o te hau mā roto i ngā tohu urupare, kia tika ai te whakarerekē i te rere o te hau.
Ko te kaupapa mahi o ēnei takirere e ahu mai ana i te pānga Venturi, arā, ina rere te hau i roto i te takirere, ka whakarerekē aunoa tōna wāhi whakatuwheratanga i runga i te huringa o te tere rere, kia tutuki ai te whakahaere taipitopito o te rere o te hau. Ko te pānga Venturi e pā ana ki te meka i muri i te haere o te hau i roto i tētahi paipa e mimiti haere ana, ka nui ake te tere rere, ā, ka heke te pēhanga, kia tutuki ai te whakahaere tika o te rere o te hau.
He aha i whiriwhiri ai i te takirere pūrerehua hei Venturi Tube Valve
Ko ngā take mō te whiriwhiri i te takirere pūrerehua hei takirere ngongo Venturi ko ngā mea e whai ake nei:
Te whai huatanga o te utuHe iti noa te utu o te takirere pūrerehua, tata ki te hauwhā o te utu o te takirere Venturi. He mea nui tēnei ina iti te tahua.
Te kore taurite o ngā mōhiohio hangarauHe tokomaha ngā kaiwhakamahi o te mākete kāore i te tino mārama ki ngā āhuatanga hangarau o ngā takirere Venturi me ngā takirere pūrerehua, ā, nā reira he nui te tono mō ngā takirere pūrerehua i te mākete.
Ngā whakaritenga taiao itiI ētahi wā kāore i te tino teitei ngā whakaritenga whakahaere taiao, he tino pai ngā takirere pūrerehua, nō reira he whānui te whakamahinga.
Ngāwari te tāutanga me te tiakiHe māmā te hanganga o te takirere pūrerehua, he iti te wāhi tāutanga, he māmā, he ngāwari hoki te tiaki, he mea e tika ana mō ngā wā e hiahia ana kia tere te tāutanga me te tiaki.
He aha ngā momo takirere pūrerehua ngongo Venturi?
Ngā momo oNgā Takirere Pūrerehua Ngongo Venturiko te nuinga kei roto ko ēnei e whai ake nei:
takirere pūrerehua momo angiangi:
I roto i te hoahoa o te takirere pūrerehua momo wafer, ka tāutahia te pereti pūrerehua i te diameter o te paipa kia tino tuwhera tonu ai te takirere. He hanganga māmā tēnei hoahoa, he iti te tapuwae, ā, he mama hoki. E rua ngā tikanga hiri o te takirere pūrerehua momo wafer: te hiri rapa me te hiri whakarewa, e tika ana mō ngā momo whakamahinga rerekē.
Momo takirere pūrerehua flange:
He pereti poutū te hoahoa o te takirere pūrerehua momo flange, ā, he hanganga whakarewa whakauru te kakau takirere hei whakarite i te pumau o te takirere. Ko tōna mowhiti hiri he mowhiti hiri whakakotahi o te pereti karāti ngāwari me te pereti maitai kore waikura, e tika ana mō ngā momo pāpāho. He pai ngā takirere pūrerehua momo flange mō ngā wā e hiahia ana ki te pumau me te pānga hiri teitei.
Takirere pūrerehua whakarewa:
Ko te takirere pūrerehua whakarewa he takirere pūrerehua kāore i te hiritia, e tika ana mō ngā rauemi hanga, te mahi whakarewa, te keri me te hiko. He pai mō ngā paipa he pāmahana reo-rahi kāore e neke ake i te 300°C me te pēhanga ingoa o te 0.1MPa, ā, ka taea te whakatutuki i te hononga reo-rahi, te whakatuwhera me te kati, te whakahaere rānei.
Takirere pūrerehua miro:
Kei roto i te tinana takirere o te takirere pūrerehua miro ngā miro o roto, o waho rānei, he mea watea mō te hono atu ki ngā miro paipa. He whānuitia te whakamahinga o tēnei takirere pūrerehua i roto i ngā rauemi hanga, te whakarewa, te keri me te hiko.
Tārua pūrerehua rawhi:
He mea whakaiti te hoahoa o te takirere pūrerehua hei whakarei ake i te mahi whakahaere, ā, he pai mō ngā paipa whānui. He mea hanga tōna tinana takirere ki te maitai waro parakore, ā, he mea hanga te mowhiti hiri ki te mowhiti whakarewa, he mea pai mō ngā wā e hiahia ana kia whakamahia pinepine, kia pēhanga teitei rānei.
Ko ēnei momo rerekēNgā takirere pūrerehua ngongo VenturiHe āhuatanga motuhake ō rātou, me ngā horopaki e tika ana. Ka taea e ngā kaiwhakamahi te whiriwhiri i te momo e tika ana mō ngā hiahia motuhake.
Wā tuku: Maehe-13-2025