Ukusetshenziswa kwe-Titanium Alloy embonini yeValve
Ingxubevange ye-Titanium inezinzuzo eziningi njengokuminyana okuphansi, amandla aphezulu, ukumelana nokugqwala, izinga lokushisa eliphezulu nokumelana nezinga lokushisa eliphansi, futhi ingasetshenziswa kabanzi emikhakheni eminingi efana ne-petroleum, imboni yamakhemikhali, imvelo yasolwandle, i-biomedicine, i-aerospace, imboni yezimoto, nemikhumbi. . Ingxubevange ye-titanium Cast itholakala ngokujikijela ingxubevange ye-titanium esimweni osifunayo, phakathi kwayo ingxubevange ye-ZTC4 (Ti-6Al-4V) isetshenziswa kabanzi, nokusebenza kwenqubo okuzinzile, amandla amahle kanye nokuqina kokuphuka (ngaphansi kuka-350 ℃).
Njengengxenye yokulawula eyinhloko yezindawo ezihlukahlukene ezikhethekile kanye nezinhlelo ezikhethekile zokuthutha amapayipi aphakathi kwamanzi, ama-valve abe yingxenye ebalulekile yemishini eminingi ekukhiqizeni, futhi kungathiwa noma iyiphi imboni ayikwazi ukwenza ngaphandle kwama-valve. Ngenxa yezidingo ezehlukene zezemvelo, izinga lokushisa, kanye naphakathi emikhakheni ehlukene, ukukhetha impahla yama-valve kubaluleke kakhulu futhi kwaziswa kabanzi. Amavalvu asekelwe kuma-alloys e-titanium nama-cast titanium alloys anamathemba abanzi emkhakheni wamavalvu ngenxa yokumelana nokugqwala kwawo okuhle kakhulu, ukusebenza okuphezulu nezinga lokushisa eliphansi, namandla aphezulu.
Izinhlelo zokusebenza
- Osolwandle
Indawo yokusebenza yohlelo lwamapayipi amanzi olwandle inokhahlo ngokwedlulele, kanti ukusebenza kwamavalvu olwandle kuthinta ngqo ukuphepha kanye nokusebenza kukonke kohlelo lwamapayipi. Ekuqaleni kwawo-1960, iRussia yaqala ucwaningo ngama-alloys e-titanium emikhumbi futhi yabe isiwathuthukisela ukusetshenziswa olwandle I-β Titanium alloy isetshenziswa kakhulu ezinhlelweni zamapayipi emikhumbi yezempi, okuhlanganisa ama-globe valves, ama-valve okuhlola, nama-valve amabhola, anezinhlobo eziningi ezahlukene. kanye nenani elikhulu lezicelo; Ngesikhathi esifanayo, ama-valve e-titanium nawo aye asetshenziswa ezinhlelweni zamapayipi emikhumbi yabantu abavamile. Uma kuqhathaniswa nama-alloys ethusi asetshenziswe ngaphambilini, insimbi, njll., ukuhlolwa kwe-drainage okwalandela kuye kwabonisa ukuthi ukusetshenziswa kwe-cast titanium alloys kunokwethenjelwa okuphezulu ezicini eziningi ezifana namandla esakhiwo nokumelana nokugqwala, futhi impilo yesevisi iye yandiswa kakhulu, kusukela. iminyaka yokuqala engu-2-5 kuya kokuphindwe kabili, okudonse ukunaka okubanzi kuwo wonke umuntu. I-valve yamavemvane amathathu e-eccentric ahlinzekwa yi-China Shipbuilding 725 Research Institute e-Luoyang, e-China ngemodeli ethile yomkhumbi iwushintsho ohlelweni lwangaphambilini lokukhetha nokuklama, kusetshenziswa i-Ti80 nezinye izinto njengendikimba eyinhloko, enweba impilo yesevisi i-valve iminyaka engaphezu kwengu-25, ithuthukisa ukwethembeka nokusebenza kwezicelo zomkhiqizo we-valve, nokugcwalisa igebe lobuchwepheshe e-China.
- I-Aerospace
Emkhakheni we-aerospace, ama-alloys e-cast titanium nawo enza kahle, ngenxa yokumelana nokushisa kwawo okuhle kakhulu namandla. Kwaba futhi phakathi neminyaka yawo-1960 lapho i-American Airlines yaqala yazama ukukhishwa kwe-titanium. Ngemva kwesikhathi socwaningo, ukukhishwa kwe-titanium alloy kuye kwasetshenziswa ngokusemthethweni endizeni kusukela ngo-1972 (i-Boeing 757, 767, ne-777, njll.). Akukhona nje kuphela ukuthi inani elikhulu le-static structure titanium alloy castings lisetshenzisiwe, kodwa liphinde lasetshenziswa ezindaweni ezibucayi, njengokulawula ama-valve ezinhlelweni zamapayipi abalulekile. Ama-valve asetshenziswa ngokuvamile ahlanganisa ama-valve okuphepha, ama-valve okuhlola, njll., eye yanciphisa izindleko zokukhiqiza izindiza nokwandisa ukuphepha nokuthembeka, Khonamanjalo, ngenxa yokuminyana okuncane kanye nesisindo se-titanium alloy uma kuqhathaniswa namanye ama-alloys, okungama-60% kuphela. insimbi efanayo yamandla, ukusetshenziswa kwayo okusabalele kungakhuthaza indiza ukuthi ihambe kancane iye emandleni aphezulu kanye nesiqondiso esingasindi. Njengamanje, ama-valve omkhathi asetshenziswa kakhulu ezinhlelweni eziningi zokulawula ezifana ne-pneumatic, hydraulic, fuel, kanye nokuthambisa, futhi afaneleka kakhulu ezindaweni ezinokumelana nokugqwala kanye namazinga okushisa aphezulu emvelo. Zingenye yezingxenye ezibalulekile zezimoto zasemkhathini, izinjini neminye iminyango. Amavalvu endabuko ngokuvamile adinga ukushintshwa ngezigaba, futhi angase angahlangabezani nesidingo. Ngasikhathi sinye, ngokukhula okusheshayo kwemakethe yama-valve we-aerospace, ama-valve e-titanium nawo athatha isabelo esikhulayo ngenxa yokusebenza kwawo okuphezulu.
- Chemical Industry
Ama-valve amakhemikhali ngokuvamile asetshenziswa ezindaweni ezinokhahlo ezifana nezinga lokushisa eliphezulu, ukucindezela okukhulu, ukumelana nokugqwala, nomehluko omkhulu wengcindezi. Ngakho-ke, ukukhethwa kwezinto ezifanele kubalulekile ekusetshenzisweni kwemboni yamakhemikhali e-valve. Esikhathini sokuqala, i-carbon steel, insimbi engagqwali, nezinye izinto zikhethwa ngokuyinhloko, futhi ukugqwala kungase kwenzeke ngemva kokusetshenziswa, okudinga ukushintshwa nokugcinwa. Ngokuthuthuka okuqhubekayo kobuchwepheshe bokuphonsa i-titanium alloy kanye nokusebenza kwayo okuphezulu kancane kancane kutholwa, amavalvu e-titanium nawo avele emehlweni abantu. Uma sithatha iyunithi yokukhiqiza ye-purified terephthalic acid (PTA) embonini yefayibha yamakhemikhali njengesibonelo, indawo yokusebenza ikakhulukazi i-acetic acid ne-hydrobromic acid, enokugqwala okuqinile. Cishe ama-valve angu-8000, okuhlanganisa ama-valve embulunga nama-valve ebhola, adinga ukusetshenziswa, anezinhlobo ezihlukahlukene nenani elikhulu. Ngakho-ke, ama-valve e-titanium abe yisinqumo esihle, okwandisa ukuthembeka nokuphepha kokusetshenziswa. Ngokuvamile, ngenxa yokugqwala kwe-urea, amavalvu okukhipha kanye nokungena kombhoshongo we-urea synthesis angahlangabezana nempilo yesevisi yonyaka ongu-1 futhi asefinyelele izimfuneko zokusetshenziswa. Amabhizinisi afana neShanxi Lvliang Fertilizer Plant, iShandong Tengzhou Fertilizer Plant, kanye neHenan Lingbao Fertilizer Plant enze imizamo eminingi futhi ekugcineni akhethe amavalvu okuhlola i-titanium high-pressure check valve H72WA-220ROO-50, H43WA-220ROO-50, 65, 80, ama-valve okumisa i-BJ45WA-25R-100, 125, njll. yokungenisa imibhoshongo ye-urea synthesis, enempilo yesevisi engaphezu kweminyaka engu-2, ebonisa ukumelana nokugqwala okuhle [9], ukunciphisa imvamisa kanye nezindleko zokushintshwa kwe-valve.
Ukusetshenziswa kwe-cast titanium alloy emakethe yama-valve akugcini kulezi zimboni ezibalwe ngenhla, kodwa kunentuthuko enhle kwezinye izici. Isibonelo, ingxubevange entsha ye-titanium ehlanganisiwe i-Ti-33.5Al-1Nb-0.5Cr-0.5Si ethuthukiswe e-Japan inezinzuzo eziningi ezifana nokuminyana okuphansi, amandla okukhasa okuphezulu, nokumelana nokugqokwa okuhle. Uma isetshenziswa kuvalvu yokukhipha umoya yangemuva yezinjini zezimoto, ingathuthukisa ukusebenza kokuphepha kwenjini futhi yandise impilo yayo yesevisi.
- Ezinye Izimboni
Uma kuqhathaniswa nokusetshenziswa kwama-alloys e-cast titanium embonini yamavalvu, ezinye izinhlelo zokusebenza ze-cast titanium alloys ziningi kakhulu. Ingxubevange ye-Titanium ne-titanium inokumelana nokugqwala okuhle kakhulu, okubaluleke kakhulu ezimbonini ezinezidingo ezonakalisayo njengemboni ye-petrochemical. Kulezi zimboni, amathuluzi amaningi amakhulu adinga ukukhiqizwa kwezimboni njengamaphampu evolumu, izishintshisi zokushisa, ama-compressor, nama-reactors azosebenzisa ukukhishwa kwe-titanium ukumelana nokugqwala, okunesidingo esikhulu semakethe. Emkhakheni wezokwelapha, ngenxa yokuthi i-titanium iyinsimbi ephephile eyaziwa emhlabeni wonke, engenabuthi, nensimbi enzima, izinsiza eziningi zokusiza zezokwelapha, izitho zokwenziwa zabantu, nezinye zenziwe ngamangxubevange e-titanium. Ikakhulukazi emithini yamazinyo, cishe konke ukubunjwa kwamazinyo okuye kwazanywa kwenziwa nge-titanium ehlanzekile yezimboni kanye ne-Ti-6Al-4V alloy, enokuvumelana okuhle kwe-biocompatibility, izakhiwo zemishini, nokumelana nokugqwala. Ngakolunye uhlangothi, ngenxa yezinzuzo zokuminyana okuphansi nokusebenza kahle kwe-titanium ne-titanium alloys, asetshenziswa kakhulu kumishini eminingi yezemidlalo efana namakilabhu egalofu, amakhanda ebhola, amarakhethi ethenisi, amarakhethi e-badminton, kanye nezinto zokudoba. Imikhiqizo eyenziwe ngayo ilula, inokuqinisekiswa kwekhwalithi, futhi idume kakhulu emphakathini. Isibonelo, i-SP-700 entsha ye-titanium alloy ethuthukiswe yi-Japan Steel Pipe Company (N104) isetshenziswa njengendawo engaphezulu ye-Taylor brand 300 series yamabhola egalofu, athengiswa kakhulu emakethe yegalofu yomhlaba. Kusukela ngasekupheleni kwekhulu lama-20, ingxubevange ye-titanium eyakhiwe kancane kancane yakha izimboni kanye nezinga emikhakheni efana ne-petrochemical, i-aerospace, i-biomedical, imboni yezimoto, kanye nezemidlalo nezokungcebeleka, kusukela ekuhloleni kokuqala kuya ekukhuthazeni nasekuthuthukisweni okunamandla kwamanje.