PFA ọkpọkọ na mkpara ịgbado ọkụ: Nyocha nke ngwa ụlọ ọrụ mmepụta ihe nke ihe ndị dị elu- fluoroplastic arụmọrụ
Jul 08, 2025
Dị ka onye dị mkpa nke ezinụlọ fluoroplastic, PFA (perfluoroalkoxy resin) na-ejikarị eme ihe na kemịkalụ, semiconductor, ọgwụ na mpaghara ndị ọzọ n'ihi nkwụsi ike kemịkalụ ya dị mma, nkwụsi ike dị elu na obere esemokwu esemokwu. Dị ka isi ihe jikọrọ ọnụ, arụmọrụ nke ọkpọkọ PFA na ịkwado mkpara ịgbado ọkụ na-emetụta ntụkwasị obi na ndụ ọrụ nke sistemụ. Isiokwu a ga-enyocha isi ihe teknụzụ nke ọkpọkọ PFA na mkpanaka ịgbado ọkụ site n'akụkụ atọ: akụrụngwa akụrụngwa, ihe ngosi ngwa na usoro ịgbado ọkụ.
1. Isi uru nke ọkpọkọ PFA
PFA ọkpọkọ eketa corrosion eguzogide PTFE (polytetrafluoroethylene), na n'otu oge ahụ melite nhazi fluidity site ewebata perfluoroalkoxy Ọdịdị, nke mere na ọ nwere ike n'enweghị ihe jikọrọ ya na-ekpo ọkụ gbazee ịgbado ọkụ. Ogologo oge okpomọkụ ya- ogologo oge ojiji bụ -200 degrees ka +260 ogo , na mkpirisi oge ndidi okpomọkụ nwere ike iru 300 degrees , nke nwere ike gboo mkpa nke oke ọrụ ọnọdụ. Na mgbakwunye, PFA nwere ire ụtọ dị elu nke ukwuu (Uru Ra nwere ike ịbụ ihe na-erughị 0.1μm), nke na-ebelata nguzogide mmiri nke ọma ma na-ebelata ihe ize ndụ nke ịchacha, ma bụrụkwa ihe pụrụ iche na sistemụ nnyefe mmiri dị ọcha.
2. Nkwekọrịta dabara nke mkpara ịgbado ọkụ PFA
PFA ịgbado ọkụ mkpara na ọkpọkọ na-eji otu isi ihe usoro iji hụ na kemịkalụ ndakọrịta na n'ibu ike nke welded nkwonkwo. Mkpanado ịgbado ọkụ{{1} dị elu ga-enwerịrị ụkpụrụ ndị a: ntụzịaka mgbaze dabara na ọkpọkọ (na-abụkarị 3-5g/10min), ọdịnaya adịghị ọcha erughị 10ppm, yana ike nhịahụ karịrị 20MPa ma ọ bụ nhata. Mkpanaka ịgbado ọkụ pụrụ iche nwekwara ike ịkwalite nguzogide na-akpụ akpụ site na ịgbakwunye eriri carbon ma ọ bụ microbeads iko, nke dabara maka ọnọdụ nrụgide dị elu.
3. Isi akara akara nke usoro ịgbado ọkụ
PFA ọkpọkọ ịgbado ọkụ tumadi nakweere ụzọ abụọ: ọkụ gbazee butt ịgbado ọkụ ma ọ bụ flaring oghere. Ịgbado ọkụ na-ekpo ọkụ chọrọ njikwa okpomọkụ nke ọma (na-abụkarị ogo 350-400), nrụgide (0.1-0.3MPa) na oge jụrụ oyi (ọ bụghị ihe na-erughị nkeji 15) iji zere egosipụta ma ọ bụ ntụpọ ịgbado ọkụ oyi. Ịgbado ọkụ na-achọ ọkụ ngwa ngwa iji ruo ± 0.05mm ma nọgide na-enwe ọnọdụ kwụsiri ike maka nkeji 1-2 mgbe etinyere ọkpọkọ. Ọ dị mma ịmara na iru mmiri nke gburugburu ebe ịgbado ọkụ ga-adị ala karịa 60% iji gbochie nguzobe nke pores kpatara mmiri vaporization.
N'ihi mmụba na-arị elu maka ihe ndị na-eguzogide corrosion{0} na ụlọ ọrụ mmepụta ihe, ahịa ahịa maka ọkpọkọ PFA na mkpanaka ịgbado ọkụ na-aga n'ihu na-abawanye. Ịma nhọrọ ziri ezi na teknụzụ ịgbado ọkụ abụrụla akụkụ dị mkpa nke ịhụ na ogologo oge{2}} na-arụ ọrụ siri ike nke sistemu mmiri. N'ọdịnihu, na ọganihu nke teknụzụ mgbanwe ihe onwunwe, ikike ngwa nke ngwaahịa PFA na gburugburu ebe dị njọ ka a ga-ahapụ ọzọ.
