Matsakaicin ma'auni da cavitation coefficient na bawul an yi dalla-dalla a cikin tebur kwatancen matsa lamba da zafin jiki na kayan bawul

An ba da cikakken bayani game da ma'aunin ma'auni da cavitation na bawul a cikin kwatancen tebur na matsa lamba da zafin jiki na kayan bawul Mahimmin ma'auni na bawul shine madaidaicin madaidaicin ruwa da cavitation coefficient na bawul, wanda galibi yana samuwa a cikin bayanan bawuloli da aka samar. a cikin ƙasashen masana'antu na ci gaba, har ma da buga a cikin samfurin. Kasarmu tana samar da bawul din asali ba ta da wannan bangare na bayanan, saboda samun wannan bangare na bayanan bukatar yin gwajin don samun damar sanya gaba, wannan ita ce kasarmu da matakin ci gaba na matakin bawul din daya daga cikin muhimmin aiki. . A, Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙadda ) ne na Ƙarfafawa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaddamarwa na Bawul na Ƙaddamarwa yana da ma'auni na ma'auni na iya aiki na bawul, mafi girman darajar ma'auni mai mahimmanci, ruwa yana gudana ta cikin bawul lokacin da asarar matsa lamba ya kasance karami. Dangane da dabarar ƙididdige ƙimar KV Inda: KV - madaidaicin madaidaicin Q - ƙarar ƙarar m3 / h δ P - bawul ɗin asarar barP - ƙarancin ruwa kg / m3 Biyu, ƙimar cavitation coefficient Ana amfani da ƙimar cavitation δ ƙimar don tantancewa. wane nau'in ginin bawul don zaɓar don sarrafa kwarara. Inda: H1 - matsa lamba mH2 - bambanci tsakanin matsa lamba na yanayi da cikakken tururi matsa lamba daidai da zafin jiki M δ P - bambanci tsakanin matsa lamba kafin da kuma bayan bawul M Ƙwararren cavitation δ da aka yarda δ ya bambanta tsakanin bawuloli saboda daban-daban jeri. Kamar yadda aka nuna a cikin adadi. Idan ƙididdigar cavitation mai ƙididdigewa ya fi ƙarfin cavitation mai izini, bayanin yana aiki kuma cavitation ba zai faru ba. Idan madaidaicin cavitation mai izini shine 2.5, to: Idan δ2.5, cavitation ba zai faru ba. A 2.5δ1.5, ɗan cavitation yana faruwa. A delta 1.5, girgiza yana faruwa. Ci gaba da amfani da δ0.5 zai lalata bawul da bututun ƙasa. Siffar sifa ta asali da aiki na bawuloli ba su nuna lokacin da cavitation ke faruwa ba, balle ma'anar da iyakar aiki ta kai. Ta hanyar lissafin da ke sama a bayyane yake. Saboda haka, cavitation yana faruwa saboda lokacin da famfo na rotor ya ratsa ta wani sashe na raguwa a cikin aiwatar da hanzarin ruwa, wani ɓangare na ruwa ya zama vaporized, kuma kumfa da aka haifar sai ya fashe a cikin sashin bude bayan bawul, wanda yana da alamomi guda uku: (1) Amo (2) girgiza (mummunan lalacewa ga tushe da kuma tsarin da ke da alaƙa, wanda ke haifar da karaya ga gajiya) (3) Lalacewar kayan (lalacewar bawul da bututu) Daga lissafin da ke sama, ba shi da wahala a ga cewa cavitation yana da alaƙa sosai da matsa lamba H1 bayan bawul. Ƙara H1 a fili zai canza halin da ake ciki kuma ya inganta hanyar: A. Sanya bawul a cikin layi. B. Sanya farantin bango a cikin bututu a bayan bawul don ƙara juriya. C. Wurin bawul yana buɗewa kuma kai tsaye yana tara tafki, wanda ke ƙara sarari don fashe kumfa kuma yana rage yashwar cavitation. Cikakken bincike na abubuwan da ke sama guda huɗu, an taƙaita bawul ɗin ƙofar, babban halayen bawul ɗin malam buɗe ido da jerin sigogi don zaɓi mai sauƙi. Abubuwa biyu masu mahimmanci suna taka muhimmiyar rawa a cikin aikin bawul. Matsakaicin matsi da zafin jiki kwatanta tebur bawul masana'antun masana'antu sun san cewa zaɓin kayan aikin bawul ɗin suna buƙatar zaɓar bisa ga matsa lamba injin bawul da zafin jiki mai dacewa, kayan daban-daban a cikin yanayin matsa lamba da yanayin zafi ba iri ɗaya bane, muna kallon dangantakar kulawa. Masu ciki a cikin masana'antar bawul sun san cewa zaɓin kayan aikin bawul ɗin yana buƙatar zaɓar bisa ga matsa lamba na injiniya da zafin jiki mai dacewa na bawul. Yanayin matsa lamba da yanayin zafi na kayan daban-daban ba iri ɗaya bane. Bari mu dubi bambancin dangantakar dake tsakaninsu. Bawul abu matsa lamba da zafin jiki kwatanta tebur Valve abu matsa lamba da zafin jiki kwatanta tebur Grey simintin ƙarfe baƙin ƙarfe: Grey simintin ƙarfe ya dace da ruwa, tururi, iska, gas da mai tare da maras muhimmanci matsa lamba PN≤ 1.0mpa da zazzabi -10℃ ~ 200℃. Maki na gama gari na simintin ƙarfe sune: HT200, HT250, HT300, HT350. Malleable simintin ƙarfe: Ya dace da maras muhimmanci matsa lamba PN≤ 2.5mpa, zafin jiki na -30 ~ 300 ℃ na ruwa, tururi, iska da kuma mai matsakaicin mai, da aka saba amfani brands ne: KTH300-06, KTH330-08, KTH350-10. Bakin ƙarfe: Ya dace da ruwa, tururi, iska da mai tare da PN≤4.0MPa da zafin jiki na -30 ~ 350 ℃. Alamomin da aka fi amfani dasu sune: QT400-15, QT450-10, QT500-7. Dangane da matakin fasahar cikin gida na yanzu, kowace masana'anta ba ta da daidaito, kuma masu amfani da yawa ba su da sauƙin gwadawa. Dangane da gwaninta, ana ba da shawarar cewa PN≤ 2.5mpa, bawul ɗin ƙarfe yana da lafiya. Acid resistant high silicon ductile baƙin ƙarfe: Dace da lalata kafofin watsa labarai tare da maras muhimmanci matsa lamba PN≤ 0.25mpa da zazzabi kasa 120 ℃. Carbon karfe: Dace da ruwa, tururi, iska, hydrogen, ammonia, nitrogen da man fetur kayayyakin tare da maras muhimmanci matsa lamba PN≤32.0MPa da zazzabi -30 ~ 425 ℃. Yawan amfani da maki su ne WC1, WCB, ZG25 da ingancin karfe 20, 25, 30 da ƙananan gami tsarin karfe 16Mn. Ya dace da ruwa, ruwan teku, oxygen, iska, mai da sauran kafofin watsa labaru tare da PN≤ 2.5mpa, kazalika da kafofin watsa labaru tare da zafin jiki -40 ~ 250 ℃, alamar da aka saba amfani da ita ita ce ZGnSn10Zn2 (tin tagulla), H62, HPB59-1 (tagulla), QAZ19-2, QA19-4 (aluminum tagulla). High zafin jiki jan karfe: Dace da tururi da man fetur kayayyakin tare da maras muhimmanci matsa lamba PN≤ 17.0mpa da zazzabi ≤570℃. Alamar da aka fi amfani da ita ZGCr5Mo, 1 cr5m0. ZG20CrMoV, ZG15Gr1Mo1V, 12 crmov WC6, WC9, da dai sauransu Specific selection dole ne daidai da bawul matsa lamba da kuma yanayin zafi bayani dalla-dalla.