• Imeile: richard@czlxg.com
  • WhatsApp: 8615822968134
    • English

    Khetho e theko e tlaase ea liphaephe tsa liqubu

    Khetho e theko e tlase ea phaephe ea liqubu Setšoantšo se Hlahisitsoeng
    • Khetho e theko e tlaase ea liphaephe tsa liqubu

    Tlhaloso e Khutšoanyane:

    Li entsoe ka theknoloji ea morao-rao, liphaephe tsa rona tsa tšepe tse phuthetsoeng ka tšepe tse spiral li etselitsoe ho fihlela litlhoko tse matla tsa mefuta e mengata ea lits'ebetso. Kaho ea tsona e thata e tiisa ts'ebetso e ntle, e leng se etsang hore li be ntle bakeng sa borakonteraka le bahahi ba batlang ho tšoarella ntle le ho senya chelete.


    Qaqiso ea Sehlahisoa

    Li-tag tsa Sehlahisoa

    Re hlahisa dikgetho tsa rona tsa ho bokella diqubu tse theko e tlase: tharollo ya ho qetela bakeng sa ditlhoko tsa hao tsa kaho. Khamphaning ya rona, re motlotlo ka ho fana ka spiral weld ya boleng bo hodimoho bokella liphaephe tsa tšepetse entsoeng hore li mamelle esita le tikoloho e thata ka ho fetisisa. Ebang u ameha kahong ea borokho, nts'etsopele ea litsela kapa kahong ea meaho e melelele, liqubu tsa rona li u fa motheo o tšepahalang ho netefatsa hore projeke ea hau e tla tšoarella nako e telele le botsitso.

    Li entsoe ka theknoloji ea morao-rao, liphaephe tsa rona tsa tšepe tse phuthetsoeng ka tšepe tse spiral li etselitsoe ho fihlela litlhoko tse thata tsa mefuta e mengata ea lits'ebetso. Kaho ea tsona e thata e tiisa ts'ebetso e phahameng, e leng se etsang hore li be ntle bakeng sa borakonteraka le bahahi ba batlang ho tšoarella ntle le ho senya chelete. Rea utloisisa hore ho boloka litšenyehelo ho bohlokoa haholo 'marakeng oa tlholisano oa kajeno, ke ka lebaka leo liphaephe tsa liphaephe tseo re fanang ka tsona e leng khetho e theko e tlaase ntle le ho beha boleng kotsing.

    Boitlamo ba rona ba ho kgotsofatsa bareki ke motheo wa ntho e nngwe le e nngwe eo re e etsang. Ho theosa le dilemo, re ikgahetse botumo ba ho tsepamisa maikutlo ho bareki le ho fana ka ditshebeletso tse felletseng tsa pele ho thekiso, thekiso le ka mora thekiso. Boinehelo bona bo netefatsa hore re fihlela ditlhoko tsohle tsa bareki ba rona, re fana ka dihlahiswa le ditshebeletso tse dulang di ratwa.

    Tlhaloso ea Sehlahisoa

     

    E tloaelehileng

    Sehlopha sa tšepe

    		 Sebopeho sa lik'hemik'hale

    Matlo a ho thapolla

    		      

    Teko ea Tšusumetso ea Charpy le Teko ea ho lahla boima ba 'mele
    C Si Mn P S V Nb Ti   CEV4)（%） Matla a tlhahiso ea Rt0.5 Mpa   Matla a Tensile a Rm Mpa   Rt0.5/ Rm （L0=5.65 √ S0）Ho lelefatsa A%
    boholo boholo boholo boholo boholo boholo boholo boholo Tse ling boholo motsotso boholo motsotso boholo boholo motsotso
      L245MB

    0.22

    0.45

    1.2

    0.025

    0.15

    0.05

    0.05

    0.04

    		 1)

    0.4

    245

    450

    415

    760

    0.93

    22

    Teko ea tšusumetso ea Charpy: Matla a monyang tšusumetso ea 'mele oa phaephe le seam ea weld a tla lekoa joalo ka ha ho hlokahala tekanyetsong ea pele. Bakeng sa lintlha tse qaqileng, sheba tekanyetso ea pele. Teko ea ho taboha ha boima ba lerotholi: Sebaka sa ho kuta se khethiloeng

    GB/T9711-2011（PSL2）

    		 L290MB

    0.22

    0.45

    1.3

    0.025

    0.015

    0.05

    0.05

    0.04

    		 1)

    0.4

    290

    495

    415

    21
      L320MB

    0.22

    0.45

    1.3

    0.025

    0.015

    0.05

    0.05

    0.04

    		 1)

    0.41

    320

    500

    430

    21
      L360MB

    0.22

    0.45

    1.4

    0.025

    0.015

    		       1)

    0.41

    360

    530

    460

    20
      L390MB

    0.22

    0.45

    1.4

    0.025

    0.15

    		       1)

    0.41

    390

    545

    490

    20
      L415MB

    0.12

    0.45

    1.6

    0.025

    0.015

    		       1)2)3

    0.42

    415

    565

    520

    18
      L450MB

    0.12

    0.45

    1.6

    0.025

    0.015

    		       1)2)3

    0.43

    450

    600

    535

    18
      L485MB

    0.12

    0.45

    1.7

    0.025

    0.015

    		       1)2)3

    0.43

    485

    635

    570

    18
      L555MB

    0.12

    0.45

    1.85

    0.025

    0.015

    		       1)2)3 Puisano

    555

    705

    625

    825

    0.95

    18
      Hlokomela:
      1）0.015 ≤ Altot ＜ 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30；Mo ≤ 0.10;
      2）V+Nb+Ti ≤ 0.015%                      
      3）Bakeng sa mekgahlelo yohle ya tshepe, Mo e ka ba ≤ 0.35%, tlasa konteraka.
                 Mn   Cr+Mo+V  Cu+Ni4）CEV=C+6 + 5 + 5

     

    Molemo oa Sehlahisoa

    1. Litharollo tsena tse theko e tlaase li ka fokotsa haholo tekanyetso ea merero le ho etsa hore kaho e kholo e be bonolo ho e phetha. Bakeng sa lik'hamphani tse batlang ho eketsa mehloli ea tsona, liphaephe tsa liqubu tse theko e tlaase li ka fana ka mokhoa o mong o sebetsang ntle le ho beha botšepehi ba sebopeho kotsing.

    2. Bahlahisi ba bangata, ho kenyeletsoa le khamphani ea rona, ba beha khotsofalo ea bareki pele ka ho fana ka lits'ebeletso tse felletseng tsa pele ho thekiso, nakong ea thekiso le ka mor'a thekiso ho netefatsa hore bareki ba fumana tšehetso eo ba e hlokang nakong eohle ea ts'ebetso ea ho reka.

    Khaello ea sehlahisoa

    1. Thepa e theko e tlase e kanna ea se ke ea lula e fihlela maemo a thata a boleng a hlokahalang bakeng sa merero e meholo, e leng se ka lebisang ho hloleheng ha sebopeho kapa keketseho ea litšenyehelo tsa tlhokomelo ka nako e telele.

    2. Ho tšoarella le ts'ebetso ea likhetho tsena tse theko e tlaase li ka fapana, e leng se ka bakang likotsi polokehong le linakong tsa projeke.

    Pipe e nang le Polyurethane

    LBH

    P1: Piling Steel Pipe ke eng?

    Liphaephe tsa tšepe tse bokellanang ke meaho e tiileng e silindara e sebelisetsoang ho tšehetsa meaho le meaho e meng. Li khannoa ka botebo mobung ho fana ka botsitso le bokhoni ba ho jara moroalo, e leng se etsang hore li be tsa bohlokoa mererong ea kaho, haholo-holo libakeng tse nang le maemo a mabe a mobu.

    P2: Hobaneng o lokela ho kgetha diqubu tsa diphaephe tsa tshepe tse bophara bo boholo tse welditsweng ka spiral?

    Liphaephe tse tjheseditsweng ka sekontiri li tsebahala ka matla a tsona le ho tšoarella ha tsona. Ts'ebetso ea ho tjheseletsa ka sekontiri e lumella bophara bo boholo, bo ka tšehetsang meroalo e meholo. Sena se etsa hore li be ntle bakeng sa merero e meholo ea kaho moo mekhoa ea setso ea ho bokella likhoele e kanna ea se khone ho fihlela litlhoko.

    P3: Nka fumana dikgetho tse theko e tlase jwang?

    Ho fumana theko e tlasephaephe ea ho bokelladikgetho ha ho bolele ho tela boleng. Khamphani ya rona e beha kgotsofalo ya bareki pele ka ho fana ka mefuta e fapaneng ya ditlhaloso tse ikgethileng ho lekana ditlhoko tsohle. Re netefatsa hore dihlahiswa tsa rona di na le theko e hlwahlwa ntle le ho tela boleng. Ditshebeletso tsa rona tse pakilweng pele ho thekiso, thekisong, le ka mora thekiso di netefatsa hore o fumana tshehetso e felletseng nakong yohle ya tshebetso ya ho reka.

    P4: Ke eng eo ke lokelang ho e nahana ha ke reka?

    Ha o kgetha phaephe ya tshepe bakeng sa ho e kenya ka hara dibopeho, nahana ka dintlha tse kang bophara, boleng ba thepa, le ditlhoko tse ikgethang tsa projeke. Sehlopha sa rona se inehetse ho o thusa ho etsa dikgetho tsena, ho netefatsa hore o fumana tharollo e loketseng ditlhoko tsa hao hantle.

  • E fetileng:
  • E 'ngoe:
    • Ngola molaetsa oa hau mona 'me u o romelle ho rona

    Lihlopha tsa lihlahisoa