Angaxazululwa kanjani amaphutha afana nezinduna zesihlabathi phezulu kwezingxenye zensimbi ezimpunga ezikhiqizwe ukubunjwa kwesihlabathi se-resin?

Amaqhuqhuva esihlabathi avela ebusweni bomshini wokusansimbi ompunga okhiqizwa isihlabathi se-resin, okuyinkinga evamile ethinta ikhwalithi engaphezulu yokubunjwa. Amaqhuqhuva esihlabathi ngokuvamile abonakala njengezigaxa eziqinile zezinhlayiya zensimbi nesihlabathi ezinamathela phezulu kokubunjwa, okunzima ukuzihlanza futhi zingathinta nokunemba nokubukeka kwe-dimensional.

I-1, Isizathu esiyinhloko sokwakheka kwamaqhuqhuva esihlabathi amandla endawo anganele wesikhunta sesihlabathi se-resin / indawo ewumgogodla. Ngaphansi kwesenzo esishisayo nesemishini sensimbi encibilikisiwe, amabhulokhi esihlabathi angaphezulu ayaxebuka futhi amuncwa ensimbi encibilikisiwe, kodwa awakhukhuleki ngokuphelele noma ancibilike, futhi ekugcineni asongwe ebusweni bokubunjwa. Izizathu ezithile zingahlaziywa kusukela kubukhulu obulandelayo:

1. Ukubumbana okungalingani ngenxa yenqubo yokubumba/yokwenza ingqikithi: Ukungaminyene ngokwanele kwezinye izindawo (ikakhulukazi amakhona, ama-grooves, nemigodi ejulile), indawo exegayo yesikhunta sesihlabathi, amandla aphansi, futhi kulula ukuwasha. Ukususwa kwesikhunta ngendlela engafanele: Ukulimala kwesikhunta sesihlabathi ngesikhathi sokususwa kwesikhunta noma ukulungiswa okungaphelele ngesikhathi sokulungiswa kwesikhunta, okushiya izingqimba zesihlabathi ezingase zixege. Ikhwalithi yokumboza nenqubo yokuxubha: Isendlalelo sokumboza sincane kakhulu noma asimboziwe, futhi siyehluleka ukuhlukanisa ngempumelelo uketshezi lwensimbi olunezinga lokushisa eliphezulu endaweni yesikhunta sesihlabathi. Ukujula okunganele kokungena kwe-coating: ukwehluleka ukwenza "ungqimba oluqinile" oluqinile ngesikhunta sesihlabathi, okuholela ekunamatheleni okubi. Ukomiswa okwanele kwezingubo zokumboza: umswakama osele noma izincibilikisi, igesi ekhiqizwe lapho kuhlangana noketshezi lwensimbi olunezinga lokushisa eliphezulu, kungaba nomthelela ekuhlanganiseni futhi kubangele ukuqhekeka nokuxebuka. Ukukhipha umoya okungalungile kwesikhunta/umongo wesihlabathi: Ukucindezela kwegesi yasendaweni okweqile kungase kubangele ungqimba olunamathelayo noma ungqimba olungaphezulu olubuthakathaka ukuthi "ligoqe".

2. Izizathu zokusebenza zesihlabathi esiluhlaza nesihlabathi se-resin: Isimo nosayizi wezinhlayiya zesihlabathi: Ingaphezulu lezinhlayiya zesihlabathi libushelelezi, linondingilizi ompofu (njenge-angular coefficient), i-meshing yemishini ebuthakathaka phakathi kwezinhlayiya zesihlabathi, namandla aphansi angaphezulu kwesikhunta sesihlabathi. Ukwengezwa kwe-resin okunganele noma ukuxubana okungalingani: okuholela ekuncipheni kokuqukethwe kwe-resin yendawo kanye namandla anele ngemva kokuphulukiswa. Ukwelapha okungalingani: Ikakhulukazi kuma-sand cores aminyene, ingaphakathi lingase lingalapheki ngokuphelele noma ingaphezulu lingase libe brittle ngenxa yokuvunguza ngokweqile (i-furan resin). Isikhathi eside sokugcinwa kwesikhunta sesihlabathi noma umswakama ophezulu wemvelo: Isikhunta sesihlabathi se-resin simunca umswakama, sinciphise amandla, futhi andise ukukhiqizwa kwegesi.

3. Isizathu sokuklanywa kwesistimu yokuthululela ukuthi uketshezi lwensimbi lukhukhulwa ngokweqile: i-sprue ibhekene nodonga lwesikhunta noma umgogodla wesihlabathi, okwenza ukugeleza koketshezi lwensimbi olunesivinini esikhulu okuthinta ngokuqondile. Ukuklanywa kwesistimu yokuthulula akunangqondo, futhi isivinini sokugcwalisa sishesha kakhulu, okubangela ukuguguleka okukhulu nokugqoka ebusweni besikhunta sesihlabathi / umgogodla.

4. Izinga lokushisa elithululwayo lensimbi encibilikisiwe ngokwalo liphezulu kakhulu: ukushisa okukhulu kakhulu kuzosheshisa ukubola okushisayo kwe-resin ebusweni besikhunta sesihlabathi kanye nokucwiliswa kwezinhlayiya zesihlabathi, okwenza ungqimba olucwecwayo lube lukhuni. Ngesikhathi esifanayo, uketshezi lwensimbi encibilikisiwe kuhle kakhulu, futhi amandla okukhuhla ayathuthukiswa. I-oxidation enamandla yensimbi encibilikisiwe: Okuqukethwe okuphezulu kwama-oxides (afana ne-FeO) kunsimbi encibilikisiwe kungasabela ngamakhemikhali nezinhlayiya zesihlabathi ze-SiO ₂, kubhebhethekise ukuguguleka nokuthambekela kokunamathela kwesihlabathi koketshezi lwensimbi esikhunjeni sesihlabathi.

2, Isixazululo esihlelekile sokuxazulula inkinga yamaqhuqhuva esihlabathi sidinga ukuqala ekuvimbeleni nasekulawuleni, ukwenza uphenyo oluhlelekile kanye nokwenza ngcono inqubo.

1. Lungiselela umumo kanye nenqubo yokwenza ingqikithi ukuze uqinisekise ukuhlangana okufanayo: Gxila ekuqinisekiseni ukuminyana kwezingxenye eziyinkimbinkimbi njengamakhona, ama-protrusions, kanye nemigodi ejulile, futhi usebenzise amathuluzi akhethekile ukusiza ekuhlanganiseni. Ukubumba nokulungisa okujwayelekile: Sebenzisa ngokucophelela futhi usebenzise unamathisele okhethekile wokulungisa noma ukunamathela ukulungisa izindawo ezilimele. Ukusetshenziswa kwezingubo eziqinisiwe: Khetha ikhwalithi ephezulu yotshwala esekelwe ku-zircon powder noma i-corundum powder coatings, enokumelana nomlilo okuphezulu kanye nokumelana nokugqwala okuqinile. Qinisekisa ukuthi ukugqoka kunokugxila okwanele kanye ne-viscosity, usebenzisa i-dip coating, i-flow coating, noma i-spray coating ukuze uqinisekise ukujiya kwe-uniform (ngokuvamile izendlalelo ezingu-2-4, ukujiya kwefilimu eyomile 0.3-0.8mm). Ukome ngokuphelele: Ngemva kokushisa (izingubo ezisekelwe otshwaleni) noma ukomiswa, qinisekisa ukuthi okokumboza komile ngokuphelele futhi akunawo amachashaza omswakama. Qinisekisa ukuthi i-exhaust eshelelayo: Setha inombolo eyanele nosayizi wemigodi yokukhipha umoya ezindaweni ezifanele kusikhunta/umongo wesihlabathi.

2. Lawula ngokuqinile ikhwalithi yesihlabathi se-resin bese ukhetha isihlabathi esiluhlaza sekhwalithi ephezulu: okubalulekile kufanele kunikezwe ukusebenzisa isihlabathi se-silica esinesimo esiyindilinga sezinhlayiyana kanye nobuso obushelelezi (njengesihlabathi se-Inner Mongolia Dalin), nge-coefficient ye-angular elawulwa ngaphakathi kwe-1.2-1.3, ehambisana nokuthuthukisa uketshezi kanye nokuhlangana kwesihlabathi namandla. Lungiselela isilinganiso se-resin kanye nenqubo yokuhlanganisa isihlabathi: Lungisa inani le-resin kanye ne-ejenti yokwelapha eyengezwe ngokwesizini kanye nezinga lokushisa lemvelo kanye nomswakama (imvamisa u-0.8% -1.5% wesisindo sokuqala sesihlabathi) ukuze uqinisekise ukuxutshwa okufanayo. Lawula umphumela wokwelapha: Gwema ukufutheka noma ukuphulukisa okunganele. Kuma-sand cores aminyene futhi amakhulu, izinqubo zokugcwalisa i-coke block ezingenalutho zingasetshenziswa. Lawula indawo yokugcina nokusetshenziswa: Zama ukufinyeza isikhathi sokugcina sesikhunta/ama-cores esihlabathi futhi ugweme ukumuncwa komswakama. Kunconywa ukulawula umswakama endaweni yokusebenzela ngaphansi kuka-60%.

3. Thuthukisa idizayini yesistimu yokuthela ukuze ulandele isimiso sokugcwalisa "okushelelayo, okusheshayo, nokuhlelekile": sebenzisa amasistimu okuthela avulekile, aphansi, noma anyathelwe. Gwema ukukhukhuleka okuqondile: I-sprue akufanele ibhekane ngqo nezingxenye ezibuthakathaka zodonga lwesikhunta noma umgogodla wesihlabathi. Izinyathelo ezifana nokwethula imigqa e-tangent, ukusetha imigodi ye-sprue, nokusebenzisa izikrini zokuhlunga kungasetshenziswa ukuze kubhafa, kuhlakaze, futhi kuhlanze ukugeleza kwensimbi encibilikisiwe. Bala isikhathi esifanele sokuthela: gwema ukugcwalisa ngokushesha kakhulu.

4. Lungiselela inqubo yokuncibilika nokuthulula ukuze ulawule izinga lokushisa elifanele lokuthulula: ngenkathi uqinisekisa ubuqotho bokugcwalisa futhi ugwema ukufakwa okubandayo, zama ukusebenzisa izinga lokushisa eliphansi lokuthulula. Ngokusakazwa kwethuluzi lomshini wokujiya odongeni, ngokuvamile kulawulwa ku-1350-1420 ℃ (isilinganiso sokushisa esibonakalayo). Ukuhlanzwa kwensimbi encibilikisiwe: Qinisa ukwelashwa kwangaphambili kwesithando somlilo (njengokusebenzisa ama-slag ukususa ama-slag) ukuvimbela i-oxidation eyeqile yensimbi encibilikisiwe futhi uqinisekise ubumsulwa bayo. Ukuthulula okubushelelezi: Gwema ukuphazamiseka nokuchaphaza, futhi ugcine indebe yokuthela igcwele.

5. Ekuphathweni kwendawo kanye nokuhlolwa kokuhlolwa kwesiqephu sokuqala: Engxenyeni yokuqala ngemva kokubunjwa okusha noma izinguquko zenqubo, hlola ngokucophelela izingxenye ezithambekele ekubeni namaqhuqhuva esihlabathi. Misa izindawo zokulawula inqubo: qapha futhi urekhode izinqubo ezibalulekile njengokuhlanganisa, ukumboza, nezinga lokushisa elithelayo. Hlaziya indawo yamaqhuqhuva esihlabathi: Ngokusekelwe endaweni evamile yamaqhuqhuva esihlabathi, landelela emuva ukuthi kuyinkinga yini ukuma, ukunamathela, noma uhlelo lokuthela.

Isifinyezo kanye Neziphakamiso: Isixazululo senkinga yamaqhuqhuva esihlabathi ekukhiqizeni umshini wokusansimbi ompunga kusetshenziswa isihlabathi se-resin "ukuthuthukisa amandla angaphezulu esikhunta sesihlabathi" kanye "nokunciphisa ukuguguleka/umphumela oshisayo woketshezi lwensimbi odongeni lwesikhunta". Phakamisa ukulandela lezi zinyathelo ukuze uxazulule inkinga:

Okokuqala, hlola ukumbozwa: lesi yisizathu esiqondile nesivamile. Qinisekisa ikhwalithi ye-coating, ukujiya kokunamathela, nesimo sokumisa.

2. Okulandelayo, hlola ukubumbana nokusebenza kokubumba: hlola ukuthi isikhunta sesihlabathi endaweni ehambisanayo yenodule yesihlabathi sikhululekile.

3. Bese uhlaziya uhlelo lokuthulula: bheka ukuthi izigaxa zesihlabathi zivela ngokuqondile ngokuphambene ne-sprue noma endaweni lapho ukugeleza kwensimbi kuthinteka kakhulu.

4. Ekugcineni qinisekisa imingcele yenqubo: hlola ukuthi isilinganiso sesihlabathi se-resin, ikhwalithi yesihlabathi eluhlaza, nezinga lokushisa elithelayo kungaphakathi kwebanga elilawulwayo. Ngalokhu kuhlaziya okuhlelekile kanye nokuthuthukiswa kwesinyathelo ngesinyathelo, ukonakala kwezindunduma zesihlabathi kungalawuleka futhi kuqedwe, kuthuthukiswe kakhulu izinga eliphezulu kanye nokunemba kobukhulu bokubunjwa kwamathuluzi omshini.