Isi ihe mgbaru ọsọ nke ime ka arụmọrụ nke paịpụ mmiri dịkwuo mma bụ abụọ: otu bụ ijide n'aka na ikike nnyefe mmiri dị, igbochi nnukwu mpaghara nrụgide mmiri, iji nwee ike inye mmiri ọkụ na ụlọ ọrụ dị mkpa n'oge mberede; nke abụọ bụ ibelata mmebi nke paịpụ mmiri iji mee ka ọ dị mfe ịrụzi ngwa ngwa. N'ikwu ya n'ụzọ ọzọ, mgbe ọdachi ala ọma jijiji na-eche ihu, sistemụ mmiri kwesịrị inwe ike ịgbanwe agbanwe karịa.
Igbochi mgbawa mmiri dị oke mkpa iji nọgide na-arụ ọrụ nkịtị nke sistemụ mmiri. Sistemụ paịpụ PE4710 (nke kwekọrọ na PE100) nwere obere ohere nke mgbawa na ntapu nke paịpụ mmiri ọ bụla, na-enyere aka imezu ebumnuche niile dị n'elu.
Mgbasa ebili mmiri na mgbanwe ala na-adịgide adịgide bụ isi ihe na-akpata mmebi nke paịpụ mmiri e liri n'ala. N'ihi na ike axial dị na nrụgide mgbagọ, mmegharị ala na-eduga na nsogbu axial na mgbagọ n'ime paịpụ mmiri. Ihe ndị nwere oke siri ike (nrụgide dị elu a na-ekwe) na-enwekarị ikike ịgbagọ agbagọ. Ihe ndị na-emepụta ductile nke polyethylene (PE) (nrụgide dị ala a na-ekwe) na-anọchite anya nwere ikike ịgbagọ agbagọ na ike dị mma.
Ike nke usoro ọkpọkọ mmiri na-egosipụta site na ike ya ịgbanwe agbanwe na nrụgide elu. Ịma jijiji ala ọma jijiji ma ọ bụ mgbasa nke ebili mmiri ala ọma jijiji nwere ike ibute nrụgide n'ime ala nke na-emebi ọbụna ọkpọkọ ndị kacha dị mfe. Mgbawa nke nsogbu, mbuze ala, mgbanwe ala gaa na apịtị na ebe obibi na/ma ọ bụ mgbasa n'akụkụ, ịda ala na elu nwere ike ibute nnukwu nsogbu ala, na-ebute mmebi na nnukwu ebe nke ọkpọkọ mmiri liri n'ala. Tebụl B-1 depụtara data nrụgide ala a hụrụ gburugburu ụwa n'ihi mgbanwe ala na-adịgide adịgide.
Tebụl B-1 A hụrụ nrụgide ala n'ihi mgbanwe ala na-adịgide adịgide
Oke nrụgide ala achọrọ maka paịpụ mmiri dị n'etiti 0.05% na 4.5%. N'akụkọ nke American Electric Power Research Institute nke afọ 2008, e nyere nha ikike nrụgide nke ihe PE4710. Na okpomọkụ 50°F (10°C), nkezi oke nrụgide mmepụta nke paịpụ PE4710 bụ 9.9%, ebe nkezi oke nrụgide kachasị bụ 206%. Paịpụ polyethylene ga-agagharị na nzaghachi maka mmegharị ala, kama iguzogide ibu ndị nwere ike ime ka paịpụ siri ike ma ọ bụ gbawaa agbawa. N'ọtụtụ ihe omume ala ọma jijiji, paịpụ polyethylene (HDPE) nke a na-agbakọta (nke a na-agbakọta) nke nwere njupụta dị elu ga-agbagọ, mana ọ gaghị agbawa ma ọ bụ kewaa (njikọ na-abụghị nke mkpuchi), si otú a na-eme ka mmiri dị na ya dịgide. Ọ dị mkpa ịmara na njikọ niile nke paịpụ PE na ihe owuwu ndị ọzọ, ihe ndị ọzọ na ihe ndị dị na ya nwere ike ịnwe ibu dị iche iche. Ekwesịrị ịhazi njikọ nke akụkụ ndị a nke ọma ma hazie ya iji belata ihe egwu nke mgbawa.
Njem mmepụta nke paịpụ PE4710 dị ihe dị ka okpukpu abụọ nke oke ala nke a hụrụ kpatara, oke ala kachasị elu nke PE4710 karịrị ugboro iri anọ nke oke ala. Arụmọrụ e nwetara site na ngụkọ echiche kwekọrọ na ojiji nke pipeline polyethylene n'oge ala ọma jijiji. Ahịrị mmiri HDPE a gbanyere agbanye rụrụ nke ọma n'ala ọma jijiji ahụ. Tebụl B-2 na-enye ntakịrị ihe nlele nke ala ọma jijiji gara aga na Japan (Omuro na Himono, 2018).
Tebụl B-2 Data a hụrụ n'oge ala ọma jijiji gara aga na Japan
A ga-enyocha arụmọrụ ala ọma jijiji nke paịpụ mmiri, gụnyere ike, ikike nrụgide axial, radius mgbagọ a na-ekwe ka ọ gbadaa, ike nkwonkwo, nkwụsi ike na ọnọdụ paịpụ mmiri dị ugbu a. Ọtụtụ ahụmịhe ala ọma jijiji na-egosi na paịpụ mmiri HDPE dịka ụkpụrụ usoro paịpụ ASTM si dị nwere ike ịnọgide na-arụ ọrụ nkịtị n'ọtụtụ ọnọdụ ibu ala ọma jijiji. Mgbe ihe achọrọ maka arụmọrụ ala ọma jijiji nke paịpụ mmiri dị elu, a ga-atụle ojiji nke paịpụ HDPE a gbanyere agbanye, n'ihi na arụmọrụ ala ọma jijiji nke paịpụ HDPE bụ ihe a pụrụ ịtụkwasị obi karịa, ha nwekwara ike ịgbanwe na ụdị dị iche iche nke ala ọma jijiji na-akpata ma nọgide na-arụ ọrụ nkịtị.
CHUANGRONGis a share industry and trade integrated company, established in 2005 which focused on the production of HDPE Pipes, Fittings & Valves, PPR Pipes, Fittings & Valves, PP compression fittings & Valves, and sale of Plastic Pipe Welding machines, Pipe Tools, Pipe Repair Clamp and so on. If you need more details, please contact us +86-28-84319855, chuangrong@cdchuangrong.com, www.cdchuangrong.com
Oge ozi: Maachị-06-2025
