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Korere tae Area - tepu rawa me tūtohutanga

korere Peita Ko te tukanga whakahauanga, e whai wāhi rerehua e kore anake, engari e whakaroa ana ano hoki te ora o te paipa. mahi peita whakamana e taua Whakapau rite tämata me te peita. Otiia me pehea ki te whakatau i te nui ratou Me ki ka whai nui, a ka mahue te toenga te? Ko reira uaua rawa ki te mahi i tenei ka whakamahere i te nui nui o te mahi, hei tauira, te tukatuka kōrero i roto i te teihana tohatoha. Hei tātai tika i te nui o peita e hiahia ana koe ki te mohio i te rohe tae o te okana. Ki te ako ki te tātai i te reira, ka kōrero atu tatou.

momo o putorino

Ka Tuatahi o te katoa, kia tuhia te reira i runga i te kohi peita e tākiekina kore anake e te rahi o te putorino, engari ano hoki ratou āhua me te hanganga o te rauemi e hanga i ai e ratou. Hei tauira, ka rapua e paninga o ngā hua maeneene me te kowakawaka o te rahi taua rerekē moni o coatings.

Ka taea e whai Paipa āhua rawa rerekē, me te rahi wāhanga. Tei runga i enei tawhā, whakaritea e te hōkai me te mahi o ngā hua okana. Ko te puka tino noa o korere porotakaroa ki porohita-wāhanga ripeka, tino maha whakamahia mo te hanganga o pipelines me pipelines hau.

He momo rongonui o whakarewa o te hanganga ko te putorino ngā momo he wāhanga ripeka atu atu i porohita. Ka taea e kia ratou porotītaha, tapawha, me te tapawhā. I roto ia ratou he papa hanganga, ngā hanganga whakarewa, papa me Tīpae.

ngongo kowakawaka ki te wāhanga ripeka tawhio e whakamahia mo te hanganga o te pūnaha raro pressureless kāinga, me te ahumahi parakaingaki, sewers tupuhi.

He he ano hoki ngongo koeko-ahuahu. 'Oku fakataumu'a ratou mo pūnaha pressurization.

inenga

Ki te tātai i te nui o ngā rauemi peita i roto i ara e rua: te whakamahi i te tepu motuhake mā te whakamahi i ngā tātai āhuahanga ranei. A i roto i te meka, a i roto i tetahi atu take, e hiahia ana koe ki te hanga inenga tika o te hua.

Ki te reira te mea he tepu tae putorino tapawha, e anake kitea tatou i roto i reira i te tūranga ki te tawhā taua ahu rite whiwhi i inenga, me te tiro kohi waituhi tämata ranei. Tātaitanga whakamahi tātai - atu uaua, engari kahore ara iti whai hua. Hei whakatau i te putorino rohe tae āhua motuhake me te wāhanga ripeka, te tātai e hāngai ana.

korere porotakaroa

Ki te hanga tātaitanga, he mea e tika ana ki te mohio te roa o te putorino, me tona pūtoro waho. whanganga te roa i roto i mita, me te whānui - i roto i mitamano. Whakamahia te tātai e whai ake nei:

S = 2 x π * R x L, te wahi:

  • S - rohe putorino ki kia peita;
  • π - pi rite ki te 3.14;
  • R - pūtoro;
  • L - roa.

Hei tauira, ka te roa ngongo o 10 m me te diameter 60 mm o, e kia tona rohe mata 1.88 sq. m.

Kei te tatau te taua whārite, me te wāhi tae putorino paipa. Ko te rerekētanga anake i waenganui i enei waihanga he nui. Hei tauira, i roto i puna parakaingaki kia diameter 70-200 cm I roto i te take i taua, ko te pūtake o te teitei paerewa o enei hua -. 90 cm.

Area kōtaha tae pipe

Ki te whakatau i te uara he tika ki te mohio o te moni:

  • te tiketike o tetahi taha o te putorino (H);
  • te tiketike o te tahi atu te ringa (W);
  • roa (L).

E hanga tātai whakamahi i te tātai e whai ake nei: S = 2 x H x L + 2 x W x L. Hei tauira, ina te roa i roto i te tiketike o te 10 m me taha - e kia 10 me te 5 cm, te rohe ki te kia pani 3 sq. mita.

putorino maitai Tapawhā tae koeko

I roto i te putorino ki mehua tihi rāpopototia nga tawhā e whai ake nei:

  • roa (L);
  • diameter o te porowhita iti (R1);
  • diameter o te porowhita nui (R2).

Hei whakatau i te wāhi tae tono putorino tātai S = 2 x π x R1 x L + π x (R1 x R1 + R2 x R2). Hei tauira, ki te e hei te roa hoahoa 10 m, a ka he rite ki te 3, me te 6 cm te radii, te rohe katoa, ko te pā ana ki te 2 mita.

putorino kōwakawaka

I roto i taua hua te uaua tino ki te tātai tika i te horahanga mata, no te mea e taea te unuhia ratou haere te roa. Hoki te māmā o te tātai, ngā uara katoa whiwhi i roto i te inenga, he mea tika ki te puta i roto i te tuhi i roto i te puka o te tepu.

Ko te kupu, ko te hiahia ki te whakaturia te tawhā e whai ake nei:

  • pūtoro o te curvature (A);
  • wāhanga ngä papatahi i runga i te roa me te diameter (B, D);
  • corrugations rahi taahiraa (C);
  • wahi koki maeneene (E);
  • te teitei o te wahi kowakawaka (F);
  • Hua tuhi te aho (G).

I roto i te tauira motuhake, whakaaro pehea e kawea atu i te tātai. Hei tauira, he rite ki te 3 mm te uara A. Hei whakatau i te rahi o te wahi porotaka o te tātai whakamahia 2 x π x A te kupu, he 18,84 mm. kia rererua uara D, kia waiho reira rite ki te 20 mm. I runga i nga raraunga i runga ake, ka taea e tetahi te whakatau i te roa o te corrugations i roto i te puka totoro - 38,84 mm.

Te tango te honga, ka hei uara tātai E. tenei ahua rite ki rua te diameter, i.e. 12 mm.

Me kī e te roa o te hua ko te 10 m. Hei tatau te maha o taiepa, wehea e te taahiraa 866 te roa, me te whiwhi i te tūemi. Next, whakatau i te roa o te ngongo kowakawaka i roto i te huru totoro. Ki te diameter o, hei tauira, 52 mm, te rohe katoa o te hanganga 54,92 sq. m.

Kōwhiringa o peita

Paipa whakamahia mō te peita momo rerekē o peita:

  • tohu kiriaku, e te hunga reira i roto i te hanganga o ngā whakarewa organic, whakarato i te mutu mōhinuhinu kaha, me te roa.
  • i tohu Alkyd aroaro hoki hoko i roto i te whānuitanga nui o ngā tae. Kei te āhuatanga hoki taua Inks i mauroa, i whai ahua ai te apa pono e kore, whawhati, ka memeha.
  • Water-dispersive peita. Ko te painga o taua titonga ngā te kaha mo te whakamaroke tere, me te ngaro o te malodor. Huakore - ātete rawakore ki te abrasion me te wai. I mua i te whakamahi i Inks o manene e hāngai ana te wai-o te putorino ki kia pani kaihoko Priming.
  • peita hinu. Hoki putorino peita whakamahia uaua. Wātea i roto i te whānuitanga tae iti. I mua i te peita papa whakarewa, tae atu ki ngā putorino, e hiahiatia ana te tono o te tämata, e taea whakarato i tētahi here kaha ki te peita. tono tae hanganga i runga i te pūtake o te hinu e ki te tämata maroke i te iti rawa e rua papa.

A, no te kōwhiri i te momo o te peita ki te tae he tika, tuatahi o te katoa te putorino, ki te arotahi ki runga i to ratou tikanga whakaaro me te whakahaere, kia rite ki ngā āhuatanga pērā i te pāmahana, haumākū, te mōrea o te kino aunoa, me ētahi atu, ka whakawhirinaki i runga i te āhua o te mauroa o te peita, me te wā putorino ratonga ratou.

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