Na-aga n'ihu na mgbasawanye nke ngwa ubi nke polyethylene (PE) ọkpọkọ, PE ọkpọkọ na-echekwa ọtụtụ nsogbu na-eweta site dị iche iche ojiji gburugburu, dị ka mmebi nke termites na ọkpọkọ; Otu esi egbochi ọkụ eletrik kwụ ọtọ, enweghị ike ịhụ mmebi nke pipeline n'oge na-adịghị anya, a pụghịkwa ijide n'aka na arụmọrụ zuru ezu n'okpuru ebe a na-ewu ụlọ na-adịghị mma; Otu esi agbakwunye ọrụ ọhụrụ ndị ọzọ na ntinye nke ọkpọkọ plastik iji mee mgbanwe na gburugburu ebe obibi ọhụrụ kwesịrị ịkwalite mmepe nke ụlọ ọrụ ọkpọkọ polyethylene dum site na mmepụta ihe ọhụrụ na-aga n'ihu.

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1. Ngwaahịa na arụmọrụ nke ọkpọkọ mkpuchi dị
ka akụkụ na-arụ ọrụ nke nrụgide nrụgide na njem, oyi akwa na-arụ ọrụ nke mkpuchi mkpuchi na-arụ ọrụ nchebe na inye aka, a pụkwara iwepụ ya na ọkpọkọ mgbe a na-eji ya.
Dị ka ihe ndị a chọrọ GB / T 15558.1-2015 na GB / T 13663.2-2018, ọkpọkọ na-arụ ọrụ na ọkpọkọ mkpuchi ga-ezute ihe ndị chọrọ ịrụ ọrụ nke akọwapụtara na ọkọlọtọ a, dị ka nha, ike hydrostatic, oge ntinye oxidation, iguzogide ngwa ngwa. ịgbawa ibu, wdg
1.2 PE ọkpọkọ nwere peelable thermoplastic nchebe oyi akwa ntekwasa na mpụga mgbidi.
PE ọkpọkọ na peelable thermoplastic nchebe oyi akwa ntekwasa na mpụga mgbidi (nke a na-ezo aka dị ka ntekwasa anwụrụ) na-ezo aka ọkpọkọ na-ewe otu oyi akwa PE ọkpọkọ dị ka na-arụ ọrụ ọkpọkọ na extrudes a nchebe oyi akwa nke dị iche iche ihe n'èzí na-arụ ọrụ ọkpọkọ site multi- teknụzụ coextrusion oyi akwa. Dị ka akụkụ nke nrụgide nrụgide na nnyefe ihe, oyi akwa mkpuchi na-arụ ọrụ nchebe, na akụkụ ọdụ ụgbọ mmiri nwere ike wepụ ya na ọkpọkọ na-arụ ọrụ n'oge ịgbado ọkụ.
1.3 isi njirimara nke ọkpọkọ
mkpuchi mkpuchi na-edozi nsogbu ahụ na ọkpọkọ PE dị mfe ịmalite na usoro trenchless, ma nwee ike ichebe ọkpọkọ na-arụ ọrụ nke ọma. Nkà na ụzụ isi bụ oyi akwa nchebe. N'ihe banyere iji ihe eji eme ihe na nhazi nke ihe eji eme ihe, iji ihe eji eme ihe polypropylene (PP) na-agbanwe agbanwe nwere ike ọ bụghị nanị na-eme ka ọkpụkpụ na-eguzogide oyi nke oyi akwa nchebe, kamakwa igbochi ya ijikọ ya na ọkpọkọ na-arụ ọrụ ma mee ka ọ dị mfe iwepụ. N'ebe mmepụta ihe, a ga-edozi oyi akwa mkpuchi na ogologo 300 mm na njedebe abụọ nke ọkpọkọ mkpuchi ma tinye ya ka ọ dị mfe iwepụ oyi akwa mkpuchi n'oge a na-ewu ya. N'ihe gbasara nchebe crater, a na-eweghachi oyi akwa mkpuchi ahụ nke a na-ewepụ n'ime ebe a na-agbado agbado ma merụọ ya na teepu nwere eriri.
1.5 Ngwongwo ihe eji eme ihe nke mkpuchi mkpuchi
site n'iji atụnyere ụdị arụmọrụ nke PE akụrụngwa na PP akụrụngwa, ike ike, na-ehulata modul na ike nke PP ihe dị elu karịa nke PE ihe. The ọkọ-eguzogide nke PP ihe bụ na PP ihe ndị siri ike karịa PE material.Ya mere, PP ihe onwunwe na-eji dị ka ihe nchebe oyi akwa iji zere scratching elu elu nke PE na-arụ ọrụ ọkpọkọ na trenchless ewu.

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2. Uru arụmọrụ ngwaahịa
Maka ọkpọkọ polyethylene nke a na-ejikarị eme ihe na gas na ụlọ ọrụ na-enye mmiri, mmebi nke ọkpọkọ nke ụgbọ mmiri na-ebufe, ntinye na nbudata, ihe owuwu na gburugburu ebe obibi bụ ihe a na-apụghị izere ezere. Igwe mkpuchi mkpuchi nwere ike ichebe ọkpọkọ na-arụ ọrụ nke ọma, na-edozi nsogbu dị iche iche a na-ahụ anya na ngwa bara uru site na ngwa ngwa scraping na ụzọ ịgbado ọkụ, ma gosipụta uru ndị a:
Chebe ọkpọkọ na-arụ ọrụ, belata ncha nke ọma ma melite ihe nchekwa nke pipeline. Igwe nchekwa dị n'elu nwere ike iguzogide ịka nká nke tube na-arụ ọrụ nke ụzarị ultraviolet kpatara ma gbasaa oge nchekwa nke tube na-arụ ọrụ. Ihe mkpuchi ahụ nwekwara expansibility, dị ka ịgbakwunye mgbochi-static, mgbochi termite, ọnọdụ, nchọpụta na ọrụ ndị ọzọ.
3. Ngwa nke ọkpọkọ kpuchiri ekpuchi na ntinye trenchless
Omenala nke gwupụtara n'ala na-atụnye pipeline usoro a na-enwekarị oke n'ihi adịghị mma nke obodo ahụ na ihe siri ike chọrọ nke njikwa obodo. Teknụzụ ihe owuwu nke trenchless na-aga n'ihu na-etolite ma na-ewu ewu. N'otu oge ahụ, na ntoputa nke ntekwasa ọkpọkọ, ọ nwere ike n'ụzọ dị irè dịkwuo hardness nke ntekwasa oyi akwa, nke nwere ike mma izute chọrọ nke trenchless Ịtọ na ígwè anwụrụ interspersed mmezi.
CJJ 358-2018 polyethylene pipe maka Trenchless Engineering (nke edobere maka nkwado) na-agbakwunye ngwaahịa ọkpọkọ mkpuchi, ma na-ewepụta ihe achọrọ maka arụmọrụ ihe nke polypropylene peelable (PP) mkpuchi mkpuchi mkpuchi na mgbidi mpụta nke injinia trenchless.

Ọ n'ụzọ dị irè solves nsogbu nke mmebi kpatara scratching nke n'okpuruala nkume n'oge njem na echichi, karịsịa na usoro nke trenchless ịgafe, na-enye ohere nke kehoraizin directional mkpọpu ala na ọkpọkọ ibu karịa SDR11 Series n'ọdịnihu. Ndị a na-emepụta ohere na ọnọdụ maka inye egwuregwu zuru oke na uru nke polyethylene (PE) na maka imeghari na mmezi nke ọkpọkọ ochie na ngalaba ndị na-adabaghị maka igwu mmiri.

4. Nchịkọta
The mkpuchi ọkpọkọ na-enye ọhụrụ ngwọta na ọkpọkọ ọkọ nsogbu nke PE pipe na njem na ewu, karịsịa na trenchless ewu. Ọkpụkpọ mkpuchi nwere nnukwu uru n'itinye pipeline trenchless. Site na mmụba na-ewu nke ịtọgbọ ọkpọkọ gas na-enweghị trenchless, ọkpọkọ mkpuchi ahụ nwere atụmanya ahịa sara mbara.
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