Spiral Welded Steel Pipe Yemapaipi Emafuta Negesi
Suma:
Munzvimbo dziri kuramba dzichichinja dzekuvaka neinjiniya, kufambira mberi kwetekinoroji kuri kuramba kuchichinja mapurojekiti. Chimwe chezvinhu zvitsva zvinoshamisa ipombi yesimbi yakasungirirwa nesimbi. Pombi iyi ine misono pamusoro payo uye inogadzirwa nekukombamisa simbi kuita madenderedzwa wozoibatanidza, zvichiunza simba rakasiyana, kugara kwenguva refu uye kushanduka-shanduka mukuita kwekubatanidza pombi. Kutanga kwechigadzirwa ichi kunovavarira kuratidza zvinhu zvinokosha zvepombi yakasungirirwa nesimbi uye kuratidza basa rayo rekuchinja muindasitiri yemafuta negesi.
Tsananguro yeChigadzirwa:
Mapaipi esimbi akasungirirwa nesimbi, nekugadzirwa kwavo, zvinopa mabhenefiti akasiyana-siyana pamusoro pemasisitimu emapaipi echinyakare. Maitiro ayo ekugadzira akasiyana anovimbisa ukobvu hwakafanana muhurefu hwayo hwese, zvichiita kuti irambe yakasimba mukumanikidzwa kwemukati nekunze. Kusimba uku kunoita kuti pombi dzakasungirirwa dzakatenderedzwa dzive dzakanakira kushandiswa kwemafuta negasi uko kuchengetedzeka nekuvimbika kuri kukuru.
Tekinoroji yekubatanidza spiral inoshandiswa mukugadzirwa kwayo inopa mukana wekuchinja-chinja uye kuchinjika, zvichibvumira pombi kuti ikwanise kutsungirira mamiriro akaipisisa akadai sekupisa kwakanyanya, kusiyana kwekumanikidzwa uye njodzi dzechisikigo. Pamusoro pezvo, dhizaini iyi itsva inowedzera ngura uye kuramba kupfeka, zvichibatsira kuwedzera hupenyu hwebasa uye kuderedza mari yekugadzirisa.
| Tafura 2 Hunhu Hukuru hweMapombi eSimbi (GB/T3091-2008, GB/T9711-2011 uye API Spec 5L) | ||||||||||||||
| Zvakajairika | Giredhi reSimbi | Zvikamu zveMakemikari (%) | Nzvimbo Inosungirira | Kuedza kweCharpy (V notch) Impact | ||||||||||
| c | Mn | p | s | Si | Zvimwe | Simba reGoho (Mpa) | Simba reKusimba (Mpa) | (L0=5.65 √ S0)Kutambanudzwa kweminiti (%) | ||||||
| zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | miniti | zvakanyanya | miniti | zvakanyanya | D ≤ 168.33mm | D > 168.3mm | ||||
| GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 | Kuwedzera Nb\V\Ti zvichienderana neGB/T1591-94 | 215 | 335 | 15 | > 31 | |||
| Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
| Q235A | ≤ 0.22 | 0.30 < 0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | >26 | |||||
| Q235B | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | >26 | |||||
| Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | >23 | |||||
| Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | >23 | |||||
| Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | >21 | |||||
| Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | >21 | |||||
| GB/T9711-2011(PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 | Sarudzo yekuwedzera chimwe chezvinhu zveNb\V\Ti kana chero musanganiswa wazvo | 175 | 310 | 27 | Imwe kana mbiri dzechiratidzo chekusimba kwesimba reimpact uye nzvimbo yekuchekerera simbi dzinogona kusarudzwa. Kune L555, ona standard. | ||||
| L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
| L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
| L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
| L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
| L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
| L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
| L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
| L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
| L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
| API 5L (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 | Kune simbi yegiredhi B, Nb+V ≤ 0.03%; kune simbi ≥ giredhi B, kuwedzera Nb kana V kana musanganiswa wavo, uye Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0=50.8mm)kuti iverengwe zvichienderana nefomura inotevera:e=1944·A0 .2/U0 .0 A:Nzvimbo yemuenzaniso mu mm2 U: Simba shoma rekudhonza mu Mpa | Hapana kana chimwe kana zvese zviri zviviri simba rekukanda uye nzvimbo yekuchekerera inodiwa senzira yekusimba. | ||||
| A | 0.22 | 0.90 | 0.030 | 0.030 | 207 | 331 | ||||||||
| B | 0.26 | 1.20 | 0.030 | 0.030 | 241 | 414 | ||||||||
| X42 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 414 | ||||||||
| X46 | 0.26 | 1.40 | 0.030 | 0.030 | 317 | 434 | ||||||||
| X52 | 0.26 | 1.40 | 0.030 | 0.030 | 359 | 455 | ||||||||
| X56 | 0.26 | 1.40 | 0.030 | 0.030 | 386 | 490 | ||||||||
| X60 | 0.26 | 1.40 | 0.030 | 0.030 | 414 | 517 | ||||||||
| X65 | 0.26 | 1.45 | 0.030 | 0.030 | 448 | 531 | ||||||||
| X70 | 0.26 | 1.65 | 0.030 | 0.030 | 483 | 565 | ||||||||
Pamusoro pezvo, kubatana kwe spiral weld kunoita kuti pave nekushanda kwakanaka kunodzivirira kubuda kwemvura. Nokudaro, ma spiral welded mapaipi anopa mapaipi akachengeteka ekufambisa mafuta negasi, zvichideredza njodzi yekubuda kwemvura uye njodzi dzezvakatipoteredza. Izvi, pamwe chete nekushanda kwayo kwepamusoro-soro uye kushanda kwayo zvakanaka kwe hydraulic, zvinoita kuti ive yakakodzera makambani emagetsi ari kutsvaga mhinduro dzakavimbika uye dzinogara kwenguva refu.
Kushanda nesimba kwepombi dzakasungirirwa pamativi akasiyana-siyana hakungogumiri pakufambisa mafuta negasi chete. Kugadzirwa kwayo kwakasimba uye kunaka kwayo kwechimiro kunoita kuti ishandiswe mumabasa akasiyana-siyana, kusanganisira mvura, masisitimu emvura, uye kunyange mapurojekiti einjiniya. Ingave ichishandiswa kutakura zvinwiwa kana kushandiswa sezvivakwa zvekutsigira, mapaipi esimbi akasungirirwa pamativi akasiyana-siyana anobudirira mukupa mhinduro dzakavimbika uye dzinoshanda.
Kuunzwa kwemapombi esimbi akasungirirwa nesimbi kwakavandudza zvakanyanya maitiro ekupinza mapaipi, zvichiita kuti maitiro acho ave nyore uye kunoderedza nguva yepurojekiti. Kuisa kuri nyore, pamwe chete nehuwandu hwesimba-kuhuremu, kunoita kuti kuvaka kuve nyore uye kunoshanda. Izvi zvinoreva kuchengetedza mari yakawanda mumari yevashandi, zvinodiwa nemidziyo uye mari yekutarisira mapurojekiti, ukuwo zvichiita kuti hunhu hwepamusoro uye hurambe huripo.
Mukupedzisa:
Muchidimbu, mapaipi esimbi akasungirirwa pamativi ose akachinja nzira dzekubatanidza mapaipi, kunyanya muindasitiri yemafuta negesi. Kubatanidzwa kwayo kwakasimba, kugara kwenguva refu, kushandiswa kwakasiyana-siyana uye kushanda zvakanaka kunoita kuti ive yakanaka kune makambani emagetsi ari kutsvaga mhinduro dzakavimbika. Nekumanikidzwa kwakanyanya, ngura uye kuramba kubuda kwemvura, mapaipi esimbi akasungirirwa pamativi ose anopfuura masisitimu echinyakare emapaipi kuti ape network inogara kwenguva refu uye yakachengeteka yekufambisa zviwanikwa zvakakosha. Sezvo indasitiri yekuvaka ichiramba ichigamuchira kufambira mberi kwetekinoroji, mapaipi akasungirirwa pamativi ose anova humbowo hwehungwaru hwevanhu nekugadzira zvinhu zvitsva, zvichiratidza ramangwana rekushanda zvakanaka, kuchengetedzeka uye kuvimbika.







