Ikuku ikuku nke ọwara na-ada-ọ bụghị n'ihi enweghị ikuku, kama site na ire ere na-ebute corrosion. Anyị ahụla ya n'onwe anyị: Fans etinyere na ọwara mmiri ọgwụ na-efunahụ iguzosi ike n'ezi ihe n'ime ọnwa 18; Ọwara mmiri nke dị n'ụsọ oké osimiri na-akọ na ọ na-adaba n'ụlọ mgbe naanị otu oge oyi gachara; ọbụna tunnels metro nwere kọntakịrị na-emepụta nrụgide chloride na-akpata na-agbawa gburugburu flanges na-arị elu. Corrosion anaghị eji mkpu ekwupụta onwe ya - ọ na-eme mkpesa site na mfu arụmọrụ nke nta nke nta, ịrị elu ịma jijiji, na njem ụgbọ ala na-akọwaghị ya. Ọ bụ ya mere a fan ọwara na-eguzogide corrosion abụghị nkwalite. Ọ bụ isi ihe achọrọ maka ikuku ikuku na-adịgide adịgide.
Ihe mere ndị Fans Standard ji ada n'okpuru ala-na ihe na-ejide
Ọtụtụ ndị fan ọwara na-eche ikuku gburugburu. Ezigbo tunnels na-ebuga vapors acid, alụlụ nnu jujuru, sọlfọ dioxide sitere na mmanụ dizel, ma ọ bụ ikpokọta condensate n'ebe dị ala. Ụlọ nchara carbon na-emebi na 0.1-0.3 mm / afọ na gburugburu ebe ndị dị otú ahụ-ozuru iji mebie nkwụsi ike nhazi n'okpuru afọ ise. Aluminom na-eguzogide nnu mana ọ na-agbaze na uzuzu acid. Igwe anaghị agba nchara 304 na-ejikwa ikpughe dị nro mana ọ na-enwe mwakpo intergranular n'akụkụ welds mgbe chlorides gbadoro ụkwụ. Ndozi abụghị metal buru ibu. Ọ bụ ihe nwere ọgụgụ isi ijikọ na usoro-ọkwa nchebe.
Zibo Hongcheng Fan Co., Ltd. na-enyocha eziokwu a n'ime nkeji ọ bụla. Ndị na-akwado ọwara mmiri na-eguzogide corrosion ha na-eji nchekwa okpukpu abụọ: ihe owuwu nke ASTM A588 igwe igwe (ya na ọla kọpa-chromium-nickel alloy) maka nkwụsi ike oxide na-agafe agafe, gbakwunyere mkpuchi epoxy-polyester ngwakọ nhọrọ ISO 12944 C5-M (ọkwa mmiri mmiri). N'ihi na oké ikpe-dị ka flue gas ducts ma ọ bụ desulfurization tunnels-ha iwekota titanium alloy impellers (Grade 2 ma ọ bụ ọkwa 7), nwalere ka ASTM B348 tensile mkpụrụ>345 MPa na corrosion ọnụego <0.025 mm / afọ na 10% H₂SO₄ na 60°C. Enweghị mkpuchi "otu-dabara-niile". Maapụ nkọwapụta nke ọ bụla na kemistri saịtị n'ezie - ọ bụghị echiche ụlọ nyocha.
Arụmọrụ n'ezie n'ụwa chọrọ gafere nguzogide nchara
Nguzogide corrosion naanị pụtara ntakịrị ma ọ bụrụ na onye ofufe enweghị ike ịkwado arụmọrụ. Anyị enyochala nrụnye ọwara iri na abụọ ebe ndị fan gafere ule ịgba nnu mana nkwado ubi dara ada—n'ihi na ịma jijiji na-agba na 72 Hz n'ihi agụba titanium na-ezighi ezi, ma ọ bụ n'ihi na mgbasawanye ọkụ na-adabaghị mgbawa epoxy akara n'oge ịgba ígwè 40°C kwa ụbọchị. Zibo Hongcheng na-ekwu maka ụzọ ọdịda ndị a zoro ezo:
- Ntụle na-agbanwe agbanwe na ISO 1940 G2.5—ọ bụghị G6.3 — akwadoro n’okpuru ibu, ọ bụghị ọrụ
- Ụgwọ mgbasawanye okpomọkụ na okpokolo agba agbagoro, na-eji bimetallic shims maka tunnels na-agbatị -20°C ruo +65°C
- Jiometry akara kwadoro megide usoro nrụgide 10⁵ (na-eme ka afọ 20 nke ihe na-eme ihe ike)
- Ihe mkpuchi moto gosiri F-klas (155°C), na conformal mkpuchi na windings maka iru mmiri ingress iguzogide
FBD usoro ọwara ha na-agba ọsọ na-aga n'ihu na nrụgide 4,500 Pa static na 120,000 m³/h erute-na-enweghị derating maka corrosion oke. Nke ahụ bụ n'ihi na njikwa corrosion agbakwunyere n'ichepụta igwe, ọ bụghị agbado ya dị ka echiche emechaa.
Nhazi nke Dakọtara Eziokwu Saịtị—Ọ bụghị akwụkwọ katalọgụ
“Na-eguzogide corrosion” pụtara ihe dị iche iche dị n'obere ebe a na-egwupụta coal n'akụkụ ọwara ụgbọ oloko megide ebe mmiri na-ekpofu ahịhịa. Ụfọdụ ndị na-eweta ngwaahịa na-enye nhọrọ mkpuchi atọ ma kpọọ ya nhazi. Zibo Hongcheng na-ewere ọrụ ọ bụla dị ka ihe ịma aka injinịa. Ha na-arịọ data kpọmkwem saịtị: pH nke condensate samples, SO₂ itinye uche ndekọ, chloride ion ppm na mmiri na-asachapụ, ọbụna oge igirigi akụkụ akụkụ. Mgbe ahụ, ha na-ahọrọ - ọ bụghị iwu.
Dịka ọmụmaatụ: ọwara dị nso n'ọdụ ụgbọ mmiri Qingdao chọrọ iguzogide NaCl aerosol * na* UV site na akụkụ ìhè ụbọchị. Ọkọlọtọ epoxy odo na chipped. Ihe ngwọta ha? Uwe mkpuchi fluoropolymer n'elu primer bara ụba nke zinc, etinyere ya na isi ịgba mmiri maka njikwa ọkpụrụkpụ ± 5 μm. Oge nnyefe: izu 6-ọ bụghị 12. Enweghị nkwekọrịta na asambodo: ngalaba niile na-ebu akara CE, CCC na ATEX Mpaghara 1/21 ebe achọrọ. Omenala apụtaghị iji nwayọọ. Ọ pụtara dabara maka ebumnuche, enyochagoro tupu ebupu ya.
Ọnụ ahịa ogologo oge na-amalite site na nwụnye-ma na-aga n'ihu ka emechara ya
Onye na-akwado ọwara ọwara na-eguzogide corrosion na-akwụghachi ụgwọ n'afọ atọ-ọ bụghị otu afọ. ROI ya na-apụta n'oge a na-ezere: enweghị mmechi na-enweghị atụmatụ maka nnọchi agụba, enweghị moto mberede na-alaghachi n'ihi ntinye mmiri, enweghị nkwado nhazi nke brackets na-arị elu. Mana uru na-adabere na nbugharị ziri ezi. Zibo Hongcheng na-enye ngwa nrụnye emebere ka ọ bụrụ geometry ọwara — ọ bụghị ngwugwu ngwaike. Ndị injinia ha na-enyocha nkọwapụta arịlịka torque megide njupụta nke mkpụrụ (ọkwa kọmpụta, ike njigide shotcrete), dozie akụkụ inlet cone maka profaịlụ ọgba aghara dị ugbu a, wee kwado oke mwepu nkewa maka ugboro ugboro n'okpuru 12 Hz.
Nwụnye mgbe emechara, ha na-agbaso arụmọrụ site na ihe mmetụta IoT nhọrọ-nleba anya na-ebu ọnọdụ ọnọdụ okpomọkụ, nkwekọ dị ugbu a, na ntụgharị ikuku megide usoro ntọala. Mgbe data gosipụtara mbelata arụmọrụ 3.2% n'ime ọnwa isii, ndị otu ha na-achọpụta ma ọ dị njọ, obere corrosion mmalite, ma ọ bụ gbatịa eriri eriri - tupu ọ ghọọ ọdịda. Nke a abụghị ọrụ. Ọ na-arụ ọrụ na-aga n'ihu na-arụ ọrụ.
Maka ọwara ebe ikuku ikuku na-adịghị mma—ọ bụ nchekwa ndụ—a fan ọwara na-eguzogide corrosion ga-enweta aha ya kwa ụbọchị. Ọ bụghị n'ụlọ nyocha. Ọ bụghị na akwụkwọ. N'ime mmiri mmiri, kemịkalụ na-arụ ọrụ, ịma jijiji-dịkarịa ala nke akụrụngwa n'okpuru ala. Zibo Hongcheng Fan Co., Ltd. na-ewuli ndị fan na-agafe ule ahụ-ọ bụghị otu ugboro, mana afọ iri na ise. N'ihi na ikuku na-adịgide adịgide anaghị ebido na nkọwapụta ikuku. Ọ na-amalite na ihe ndị na-ajụ inyefe.
