1. Ntụle nhazi
(1) Nke avalvụ urukurubụbanwere ihe owuwu dị okirikiri, nke dị n'ime na-ejikọta ya ma kwado ya site na ribs 8 na-agba ume, oghere elu Φ620 na-ekwurịta okwu n'ime oghere, na ndị ọzọ.valvụa na-emechi emechi, isi ájá siri ike idozi ma dị mfe imebi. Ma ikpochapu na ikpocha oghere dị n'ime na-eweta nnukwu ihe isi ike, dị ka egosiri na foto 1.
Mgbidi mgbidi nke ihe nkedo na-adịgasị iche iche, oke mgbidi dị elu ruru 380mm, na opekempe mgbidi bụ naanị 36mm. Mgbe nkedo ahụ siri ike, ọdịiche dị na ọnọdụ okpomọkụ dị ukwuu, na nkwụsị nke na-enweghị isi nwere ike ịmepụta oghere mbelata na ntụpọ porosity shrinkage, nke ga-eme ka mmiri na-agbapụta n'ime ule hydraulic.
2. Usoro nhazi:
(1) The nkewa elu e gosiri na Figure 1. Tinye ọgwụgwụ na oghere na elu igbe, mee ka a dum ájá isi n'ime etiti oghere, na ịgbatị isi isi n'ụzọ kwesịrị ekwesị ikwado fastening nke ájá isi na ije nke. isi ájá mgbe a na-atụgharị igbe ahụ. Stable, ogologo nke cantilever isi isi nke oghere abụọ kpuru n'akụkụ dị ogologo karịa ogologo nke oghere ahụ, nke mere na etiti ike ndọda nke isi ájá dum na-adabere n'akụkụ isi isi iji hụ na aja isi bụ ofu ma kwụsie ike.
A na-anakwere usoro ntinye ihe nkedo mechiri emechi, ∑F n'ime: ∑F kwụ ọtọ: ∑F ogologo = 1: 1.5: 1.3, sprue na-eji tube seramiiki nwere dayameta dị n'ime nke Φ120, na mpempe abụọ nke 200 × 100 × 40mm refractory. A na-etinye brik na ala iji gbochie ígwè a wụrụ awụ ozugbo Maka mmetụta ájá ájá, a na-etinye ihe nzacha seramiiki 150 × 150 × 40 na ala nke onye na-agba ọsọ, na 12 ceramic tubes nwere oghere dị n'ime nke Φ30. onye na-agba n'ime na-ejikọta ya na ala nke nkedo site na tank mmiri na-achịkọta na ala nke nzacha iji mepụta atụmatụ ịwụsa ala nke ala, dị ka egosiri na Figure 2 Essence.
(3) Debe oghere ikuku 14 ∮20 n'ime oghere dị elu, tinye Φ200 ájá isi ikuku ikuku n'etiti isi isi, tinye ígwè oyi n'ime akụkụ buru ibu na nnukwu akụkụ iji hụ na nguzozi ziri ezi nke nkedo ahụ, ma jiri ya mee ihe. Ụkpụrụ mgbasawanye graphitization iji kagbuo A na-eji onye na-eri nri eme ihe iji meziwanye mkpụrụ usoro. Ogo nke igbe ájá ahụ bụ 3600 × 3600 × 1000/600mm, a na-ejikwa efere ígwè 25mm agbachie ya iji hụ na ike zuru oke na isi ike, dị ka egosiri na eserese 3.
3. Njikwa usoro
(1) Nlereanya: Tupu ịmegharị ihe, jiri ihe atụ ọkọlọtọ Φ50 × 50mm iji nwalee ike mkpakọ nke ájá resin ≥ 3.5MPa, ma mee ka ígwè oyi na onye na-agba ọsọ sie ike iji hụ na ájá ájá nwere ike zuru ezu iji mebie graphite mepụtara. mgbe ígwè a wụrụ awụ na-eme ka mgbasawanye kemịkalụ sie ike, ma gbochie ígwè a wụrụ awụ ka ọ ghara imetụta akụkụ ndị na-agba ọsọ ogologo oge iji mee ka ịsa ájá.
Ime isi: A na-ekewa isi ájá ájá n'ime akụkụ 8 hà nhata site na ọgịrịga 8 na-agba ume, nke jikọtara site na oghere etiti. Enweghị akụkụ nkwado na ikpochapụ ọzọ ma e wezụga isi isi etiti. Ọ bụrụ na enweghị ike idozi isi ala ájá na Ọpụpụ, mgbapụ isi ájá na oghere ikuku ga-apụta mgbe wụsachara. N'ihi na akụkụ dum nke isi ájá ájá buru ibu, a na-ekewa ya na akụkụ asatọ. Ọ ga-enwerịrị ike zuru oke na isi ike iji hụ na isi ájá agaghị emebi mgbe a tọhapụrụ ebu, ọ gaghịkwa emebi emebi mgbe ịwụsa ya. Nrụrụ na-apụta, ka e wee hụ na ọkpụrụkpụ mgbidi edo edo nke nkedo ahụ. N'ihi nke a, anyị pụrụ iche mere a pụrụ iche isi ọkpụkpụ, na kechie ya na isi ọkpụkpụ na a ventilashion eriri ịdọrọ iyuzucha gas si isi isi iji hụ na compactness nke ájá ebu mgbe na-eme ka isi. Dị ka e gosiri na foto 4.
(4) Igbe mmechi: N'iburu n'uche na ọ na-esiri ike ihicha ájá dị n'ime oghere nke valvụ urukurubụba, a na-ese isi ájá dum na agba abụọ, a na-eji akwa zirconium na-aba n'anya na-agbaze oyi akwa nke mbụ (Baume degree). 45-55), na a na-ese oyi akwa nke mbụ ma kpọọ ya ọkụ. Mgbe ihichachara, tee akwa nke abụọ na agba magnesium na-aba n'anya (Baume degree 35-45) iji gbochie nkedo site na ịrapara na ájá na nsị, nke enweghị ike ihicha. A na-etinye akụkụ isi nke isi na Φ200 ígwè ọkpọkọ nke isi ihe owuwu nke ọkpụkpụ isi nke nwere screws M25 atọ, edozi ma kpochie ya na igbe ájá dị elu nke nwere mkpuchi mkpuchi ma chọpụta ma mgbidi mgbidi nke akụkụ ọ bụla bụ otu.
4. Na-agbaze na ịwụsa usoro
(1) Jiri Benxi obere-P, S, Ti elu-edu Q14/16# pig iron, na tinye ya na a ruru nke 40% ~ 60%; Chọpụta ihe ndị dị ka P, S, Ti, Cr, Pb, wdg na-ukwuu na-achịkwa na scrap ígwè, na ọ dịghị nchara na mmanụ na-ekwe , ihe mgbakwunye bụ 25% ~ 40%; A ga-ehichapụrịrị ụgwọ eweghachitere site na ogbunigwe ogbunigwe tupu ejiri ya hụ na ọ dị ọcha nke ụgwọ ahụ.
(2) Isi ihe nchịkwa mgbe ọkụ: C: 3.5-3.65%, Si: 2.2% -2.45%, Mn: 0.25%-0.35%, P≤0.05%, S: ≤0.01%, mg (ihe fọdụrụ): 0.035% ~ 0.05%, n'okpuru premise nke n'ịhụ na spheroidization, ala ala nke Mg (residual) kwesịrị iwere dị ka o kwere mee.
(3) Ngwọta inoculation Spheroidization: a na-eji magnesium dị ala na spheroidizer dị ala na-adịghị ahụkebe, na mgbakwunye mgbakwunye bụ 1.0% ~ 1.2%. Usoro ọgwụgwọ spheroidization na-emekarị, 0.15% nke inoculation otu oge na-ekpuchi na nodulizer na ala nke ngwugwu ahụ, spheroidization agwụla. Mgbe ahụ, a na-ekekọta slag maka inoculation nke abụọ nke 0.35%, a na-emekwa inoculation nke 0.15% n'oge ịwụ.
(5) A na-anabata usoro ịwụsa ọkụ dị ala, okpomọkụ na-agbapụta bụ 1320 ° C ~ 1340 ° C, na oge ịwụsa bụ 70 ~ 80s. Enweghị ike ịkwụsị ígwè a wụrụ awụ n'oge a na-awụsa ya, na iko sprue na-ejupụta mgbe niile iji gbochie gas na ntinye aka na-etinye aka na ebu site na onye na-agba ọsọ. oghere.
5. Nkedo nsonaazụ ule
(1) Nyochaa ike nkwụsị nke ngọngọ ule nkedo: 485MPa, elongation: 15%, Brinell hardness HB187.
(2) Ọnụ ọgụgụ spheroidization bụ 95%, nha graphite bụ ọkwa 6, na pearlite bụ 35%. E gosipụtara nhazi metallographic na eserese 5.
(3) Enweghị ntụpọ edekọghị na nchọpụta UT na MT nke abụọ nke akụkụ ndị dị mkpa.
(4) Ọdịdị ahụ dị larịị ma dị mma (lee foto 6), na-enweghị nkedo nkedo dị ka ájá inclusions, slag inclusions, oyi na-emechi, wdg, mgbidi mgbidi bụ otu, na akụkụ na-emezu ihe ndị a chọrọ nke eserese.
(6) 20kg / cm2 hydraulic mgbali ule mgbe nhazi egosighi ọ bụla ntapu
6. Nkwubi okwu
Dị ka structral e ji mara nke a nru ububa valvụ, nsogbu nke na-ejighị n'aka na mfe deformation nke nnukwu ájá isi n'etiti na siri ike ájá ihicha na-edozi site na-emesi ike na imewe nke usoro atụmatụ, mmepụta na idozi nke ájá isi na ojiji nke ihe mkpuchi nke zirconium. Ntọala nke oghere ikuku na-ezere ohere nke pores na nkedo. Site na njikwa ụgwọ ọkụ ọkụ na sistemu onye na-agba ọsọ, a na-eji ihe nzacha seramiiki foam na teknụzụ ingate seramiiki iji hụ na ọ dị ọcha nke igwe a wụrụ awụ. Mgbe otutu inoculation ọgwụgwọ, metallographic Ọdịdị nke nkedo na dị iche iche The keukwu arụmọrụ eruwo ọkọlọtọ chọrọ nke ndị ahịa.
Site naỤgwọ nke ụlọ ọrụ Tianjin Tanggu Water-Seal Valve Co., Ltd. valvụ urukurubụba, valvụ ọnụ ụzọ ámá, Y-strainer, wafer abụọ efere nlele valvụimeputa.
Oge nzipu: Eprel-29-2023
