Akụkọ - China na Russia bịanyere aka na nkwekọrịta maka ọkpọkọ gas sitere n'okike nke Power of Siberia-2. Royal Steel Group gosipụtara njikere ya ịkwado mmepe mba ahụ nke ọma.

Na Septemba, China na Russia bịanyere aka na nkwekọrịta maka paịpụ gas sitere n'ike nke Siberia-2. Paịpụ a, nke a ga-arụ site na Mongolia, na-achọ inye gas sitere n'ebe ọdịda anyanwụ Russia gaa China. Site na ikike nnyefe kwa afọ nke ijeri cubic mita 50, a na-atụ anya na ọ ga-arụ ọrụ n'ihe dị ka afọ 2030.

Ike nke Siberia-2 karịrị naanị ọkpọkọ ike; ọ bụ ihe eji eme atụmatụ maka ịhazi usoro ụwa niile. Ọ na-emebi ikike ike nke ọdịda anyanwụ, na-eme ka mmekorita atụmatụ dị n'etiti China na Russia dịkwuo omimi, ma na-eme ka ike akụ na ụba mpaghara dị ike. Ọ na-enyekwa ihe atụ bara uru nke mmekorita mmeri na ụwa nwere ọtụtụ polar. N'agbanyeghị na ọ na-eche ọtụtụ ihe ịma aka teknụzụ, geopolitical, na gburugburu ebe obibi ihu, uru atụmatụ nke ọrụ ahụ gafere ókèala azụmahịa, na-aghọ ọrụ dị mkpa n'ịkwalite iwu obodo nwere ọdịnihu a na-ekerịta maka ihe a kpọrọ mmadụ. Dịka Putin kwuru na emume mbinye aka ahụ, "Ọkpọkọ a ga-ejikọta ọdịnihu anyị ọnụ."

Dịka ụlọ ọrụ azụmaahịa mba ofesi nke ọkachamara na paịpụ mmanụ na ígwè pụrụ iche, Royal Steel Group na-etinye aka nke ukwuu na ọrụ paịpụ gas eke "Power of Siberia 2", ebe ọ na-akwadokwa mmekorita ike na amụma mmepe mpaghara n'etiti China, Russia, na Mongolia.

Paịpụ ígwè carbon atọ buru ibu nke ejiri oji kpara akwa atọ

Royal Steel Group nwere ike inye API 5L X80, API 5L X90, na 3PE ọkpọkọ ígwè.

E ji ígwè X80 mee ihe atụ maka ígwè ọkpọkọ siri ike, nke kwekọrọ na ọkọlọtọ API 5L mbipụta nke 47. Ọ na-enye ike mmepụta kacha nta nke 552 MPa, ike nrụgide nke 621-827 MPa, yana oke mmepụta na ike nke 0.85 ma ọ bụ ihe na-erughị ya. Uru ya bụ isi dị na imewe dị mfe, ike siri ike dị mma, na ike ịgbado ọkụ nke ọma.

Ngwa ndị a na-ejikarị eme ihe gụnyere:
Ọkpọkọ Gas eke nke China-Russia East Line: Site na iji ígwè X80 mee ihe n'ofe ya, ọ na-ebufe gas ruru ijeri cubic mita 38 kwa afọ ma na-agafe permafrost na mpaghara ndị na-arụ ọrụ nke ọma na ala ọma jijiji, na-eme ka ọ bụrụ ihe atụ zuru ụwa ọnụ maka teknụzụ owuwu paịpụ n'ụsọ oké osimiri.

Ọrụ Ọkpọkọ Gas nke Atọ na Ọdịda Anyanwụ-Ọwụwa Anyanwụ: Paịpụ ígwè X80 na-arụ ọrụ karịrị 80% nke ojiji zuru oke, na-akwado mbugharị gas sitere na ọdịda anyanwụ China gaa na mpaghara Yangtze River Delta.
Mmepe mmanụ na gas miri emi: N'ọrụ ubi gas nke Liwan 3-1 na South China Sea, a na-eji paịpụ ígwè X80 na-enweghị ntụpọ maka paịpụ mmiri n'okpuru mmiri na omimi mmiri karịrị mita 1,500, yana ike nrụgide mpụta nke 35 MPa.

E ji ígwè X90 mee ihe na-anọchite anya ọgbọ nke atọ nke ígwè ọkpọkọ siri ike, nke kwekọrọ na ọkọlọtọ API 5L mbipụta nke 47. O nwere ike mmepụta kacha nta nke 621 MPa, ike nrụgide nke 758-931 MPa, na ihe nhata carbon (Ceq) nke 0.47% ma ọ bụ ihe na-erughị ya. Uru ya bụ isi gụnyere nchekwa ike dị elu, ike ịgbado ọkụ, na mgbanwe okpomọkụ dị ala.

Ihe ndị a na-ejikarị eme ihe gụnyere:

Ike nke Ọkpọkọ Siberia 2Dịka isi ihe dị na ọrụ a, paịpụ ígwè X90 ga-ebuga gas site na mpaghara gas West Siberia nke Russia ruo North China. Mgbe e tinyere ya n'ọrụ na 2030, a na-atụ anya na olu nnyefe gas kwa afọ ga-abụ ihe karịrị 20% nke mkpokọta gas nke China na-ebubata.

Etiti Eshia Ọdụ Ụgbọ Mmiri Gas Eke D: N'ebe dị n'ala nnu dị ukwuu nke ngalaba Uzbek, paịpụ ígwè X90, yana sistemụ nchekwa 3PE + katodic, nwere ndụ ọrụ ya ruo afọ 50.

Mkpuchi 3PE nwere ihe mkpuchi ntụ ntụ epoxy (FBE), oyi akwa etiti na-arapara, na mkpuchi elu polyethylene (PE), nke nwere ọkpụrụkpụ zuru oke nke ≥2.8mm, na-emepụta sistemụ nchekwa "siri ike + na-agbanwe agbanwe":

Ndabere FBE, nke nwere ọkpụrụkpụ nke 60-100μm, na-ejikọta ya na elu paịpụ ígwè ahụ site na kemịkalụ, na-enye nrapado dị mma (≥5MPa) na iguzogide mwepụ nke cathodic (radius peel ≤8mm na 65°C/48h).

Ihe na-arapara n'etiti: 200-400μm dị ọkpụrụkpụ, e ji resin EVA agbanwere agbanwe mee ya, ọ na-ejikọta FBE na PE n'ụzọ anụ ahụ, ike nke akpụkpọ ahụ ya bụ ≥50N/cm iji gbochie nkewa n'etiti oyi akwa ahụ.
PE mpụta: ≥2.5mm ọkpụrụkpụ, e ji polyethylene dị elu (HDPE) mee ya, ya na ebe Vicat na-eme ka ọ dị nro ≥110°C na iguzogide ịka nká UV nke a nwalechara site na nnwale ọkụ xenon arc awa 336 (njide ike nrụgide ≥80%). Ọ dị mma maka ojiji na ahịhịa Mongolian na gburugburu permafrost.

Òtù Royal Steel, nke nwere ebumnuche ya nke "Mmepụta Ihe Ndị Na-eme Ka Mgbanwe Ike Dị Ike," na-aga n'ihu na-enye ngwaahịa ọkpọkọ ígwè dị elu, nke a pụrụ ịtụkwasị obi nke ukwuu na ọrụ teknụzụ maka owuwu akụrụngwa ike zuru ụwa ọnụ.