Ngwakọta ígwè ọkpọkọ mejupụtara abụọ (ma ọ bụ karịa) ihe jikọtara n'ime otu site kpọmkwem nkà na ụzụ pụtara nke mere na ọ nwere keukwu e ji mara Mmekọahụ ọhụrụ ígwè ọkpọkọ.Ebe ọ bụ na 1960, Japan, United States, Germany, United Kingdom na mba ndị ọzọ etinyewo oké mkpa na mmepe nke mejupụtara ígwè ọkpọkọ, mejupụtara ígwè ọkpọkọ ngwaahịa na ume, shipbuilding, chemical, mmanụ ala na ígwè ọrụ na ndị ọzọ ubi na-ọtụtụ ebe. eji.
Ọkpụkpụ nchara mejupụtara bụ ihe abụọ (ma ọ bụ karịa) jikọtara n'ime otu site na ụzọ teknụzụ akọwapụtara nke mere na ọ nwere njirimara zuru oke.
Kemgbe afọ 1960, Japan, United States, Germany, United Kingdom na mba ndị ọzọ etinyela aka na mmepe nke nchara mejupụtara.PTFE eriri ọkpọkọ, Ngwakọta ọkpọkọ nchara nchara na ike, ụgbọ mmiri, kemịkalụ, mmanụ ala na igwe na mpaghara ndị ọzọ ejirila ọtụtụ ebe.Nkà na ụzụ nhazi tube nchara mejupụtara na-agụnye ịgbagharị, nkedo, extrusion, brazing, ịgbado ọkụ na ihe ndị ọzọ.
- 1.Application nso nke ngwakọta ígwè ọkpọkọ
The Nchikota mode nke abụọ ụdị nke otu oyi akwa ihe nke mejupụtara ígwè lined ọkpọkọ kpamkpam dabere na ngwa chọrọ na gburugburu ebe obibi e ji mara.Igwe nchara ígwè bụ isi nwere ike dị elu na isi ike, ọnụ ala dị ala na arụmọrụ usoro dị mma.Ọkpụkpụ ígwè e kpuchiri ekpuchi ga-abụ nke siri ike ma nwee ike iguzogide mmebi nke usoro gburugburu ebe obibi.Nke a oyi akwa nwere ike ịbụ n'ime oyi akwa nke mejupụtara ígwè ọkpọkọ (n'ime composite pipe) ma ọ bụ na elu oyi akwa (mpụta composite pipe) .Dị ka ọdịdị nke ojiji nwere ike kewaa kemịkalụ ojiji mmiri gas pipeline, mmanụ na gas pipeline na mmanụ. ọma ọkpọkọ, ji esi mmiri ọkụ, ihe mkpofu incinerator na otutu tube, ọkpọkọ maka okpomọkụ Exchanger, na-eyi na-eguzogide, corrosion eguzogide Ọdịdị na otutu tube na architectural mma ọkpọkọ, wdg, na-aga n'ihu mmepe nke composite ọkpọkọ technology ngwa, ngwa nso nke mejupụtara. a ga-agbatị ọkpọkọ gaa na mpaghara ngwa ngwa sara mbara karị.
- 2. Usoro mmepụta nkengwakọta ígwè ọkpọkọ
Enwere ike kewaa ọkpọkọ nchara nchara n'ime ụdị abụọ, bimetallic na okpukpu abụọ, dị ka ọnọdụ jikọtara ọnụ nke kọntaktị kọntaktị nke ụdị abụọ nke ọkpọkọ ígwè.The mejupụtara ígwè ọkpọkọ na kọntaktị interface nke n'ime na elu oyi akwa jikọọ metallurgical bonding ogo a na-akpọ bimetallic ọkpọkọ, mgbe kọntaktị interface nke n'ime na elu oyi akwa naanị esịmde n'ibu njikọ, na mejupụtara ígwè ọkpọkọ na longitudinal ngalaba oyi akwa na oyi akwa kpamkpam kewapụrụ. a na-akpọ ọkpọkọ oyi akwa abụọ.Enwere ọtụtụ ụzọ usoro dị iche iche iji mepụta ọkpọkọ nchara mejupụtara, nke ọ bụla n'ime ha nwere njirimara ya na ngwa ngwa.
- 2.1 Usoro ọrụ na-ekpo ọkụ
N'ime usoro a, a na-eji billet carbon ígwè nkịtị eme ihe dị ka metal isi dị n'èzí, a na-agbawa oghere etiti, na igwe anaghị agba nchara ma ọ bụ mkpanaka nickel alloy ka a na-eji dị ka oyi akwa dị n'ime.Mpụga ekwe nkwa anụ ahụ Njirimara nke ọkpọkọ mejupụtara, n'ime ọkpọkọ corrosion chọrọ, mgbe mmanya na billet elu mgbe n'ime oghere elu dị ọcha, ga-ogwe agbakwunyere billet oghere nke ọkpọkọ, ịgbado ọkụ akara nsọtụ nke tube billet, jiri larịị. nke obere eriri induction ugboro ole na ole iji chịkwaa kpo oku, mgbe a kpochara ya ka ọ tọọ okpomọkụ, na 1 600 t na-ekpo ọkụ na-ekpo ọkụ na igwe ọkpọ ọkụ hydraulic kwụ ọtọ, ọkpọkọ ọkpọkọ na ọnọdụ perforation okirikiri na axial abịakọrọ nlele okirikiri perforation, mgbe thermal perforated tube billet, mmanya. na isi ihe na metallurgical Nchikota.Usoro a na-eji Tubacex, ụlọ ọrụ na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe dị iche iche nke 60 · 3 na 219 · Imm.Ọkpụrụkpụ nke ọkpọkọ ntanye na-eguzogide corrosion na-abụkarị 10% ruo 0% nke ngụkọta ọkpụrụkpụ nke ọkpọkọ ihe mejupụtara, na-adịkarị n'etiti 2 cm na 1 cm na opekempe.
- 2.2 Usoro ịgbado ọkụ nchara nchara
Enwere ike iji usoro a rụpụta ọkpọkọ nchara mejupụtara mmanụ na gas na-ebufe pipeline nke nwere dayameta karịa 300mm. A na-atụgharị efere ígwè ahụ n'ime tube billet site na usoro UO, wee tinye ya n'ime oghere ogologo.Usoro eruba nke mejupụtara ígwè ọkpọkọ na-emepụta site na usoro a bụ dị ka ndị a: longitudinal seam ịgbado ọkụ — anwụrụ ịgbasa - okpomọkụ ọgwụgwọ nke ígwè mpempe akwụkwọ i-jo akpụ billet.
- 2.3 oyi usoro mgbasa annealing
A na-eme mpempe akwụkwọ tube nke ihe dị iche iche ka ọ bụrụ tubes na-ekpo ọkụ ma ọ bụ oyi na-adọrọ adọrọ n'otu n'otu.A na-emerụ eriri dị n'etiti oyi akwa pụrụiche dị ala na-agbaze n'akụkụ mpụta nke akwa akwa tube.Mgbe eserese oyi gachara, a na-eme ka annealing mgbasa nke okpomọkụ dị elu.Ihe e ji mara nke mejupụtara ọkpọkọ ọkpọkọ ọkpọkọ nke a na-emepụta site na usoro a bụ na ókèala njikọ doro anya na ọbụna.N'ihi na mgbakwunye na nke a ala agbaze ebe metal oyi akwa n'etiti abụọ bonding interfaces, ya njikọ ike dịtụ elu, na-emekarị karịa 300MPao.Ihe dị ala na-agbaze metal gasket na-abụkarị Ni - P alloy, na ebe okpomọkụ ya na-ebelata na mmụba nke ọdịnaya P. Ndị ọzọ gaskets bụ B (1, 4Wt%), Si (ruo 9Wt%), cr (ihe ruru 30Wt%) ígwè - ma ọ bụ alloys dabeere na ni.Ebe na-agbaze nke gasket ihe ga-adị ala karịa nke tube nke dị n'èzí na tube dị n'ime.The mejupụtara ígwè tube na-emepụta site na usoro a nwere ike iguzogide ekwe akpụ, na akụkụ ziri ezi na elu àgwà nwere ike izute ọkọlọtọ chọrọ.
Oge nzipu: Eprel 21-2016