Yini i-Powder and Granule Silo Flow Segregation and Containment
Kwadalwa ngo 07.29
Yini i-Powder and Granule Silo Flow Segregation and Containment
I-silo yempuphu nezinhlayiya igcina into eqinile eyomile emkhunjini wensimbi oyisilinda, futhi umehluko wokuklama phakathi kokugcina impuphu nokugcina inhlamvu ukuziphatha kokugeleza: izinhlamvu zigeleza ngokukhululekile futhi zihlukaniswa ngosayizi, kanti izimpuphu ziyahlangana, ziqwabe futhi zikhiphe uthuli. Ijiyometri yaphansi ilandela i-engeli yokugeleza nokunamathela kwento, umgodi wokuphuma ulandela izinga elidingekayo, kanti ukuqedwa kwangaphakathi kulandela ukuhlanzeka. I-silo yensimbi ehlanganiswe nengilazi inikeza ingaphakathi elibushelelezi elingasebenzi — i-enamel ehlanganiswe ku-820–930 °C, engu-0.25–0.45 mm ubukhulu, ihlolwe nge-spark ku-1500 V DC, i-Ra engaphansi kuka-0.8 µm, i-pH 1–14 — kuyilapho insimbi ye-galvanised ngokwe-GB/T 13912-2020 ifaneleka ukusetshenziswa kwezinhlamvu ezomile ezingasebenzi.
Ungqongqoshe wenqubo ogcina kokubili impushana ecwebezelayo kanye nento eqinile eyizinhlayiyana endaweni yokukhiqiza eyodwa uthola ngokushesha ukuthi ziziphatha njengezinto ezihlukile esitsheni esisodwa. Impushana ixhumanisa phezu komgudu wokuphuma futhi yenza uthuli kukho konke ukudluliswa; izinhlayiyana zikhulula ngokushesha okukhulu, zihlukaniseka zibe amabhendi osayizi futhi ziguge umgudu wokuphuma. Kokubili kungena kusilinda esaziwa ngokuthi i-silo, kodwa impendulo yokuklama kukho ngakunye ihlukile. I-silo yempushana nezinhlayiyana yilokho lesi sihloko esizimisele ngakho, futhi ihlukanisa umbuzo ube ukuhamba, ukwehlukaniswa, uthuli kanye nokugqwala, okuyizinto ezine ezinquma ukuthi isitsha siyasebenza yini.
Ukuziphatha kokugeleza: umehluko obangela konke
I-engeli yokugeleza, ukunamathela kanye nokuminyana kwesisindo kunciphisa phansi, umgodi wokuphuma kanye nokuthi ingabe kudingeka usizo yini. I-solid eyimbudumbudu — ama-pellets, izinhlamvu, ama-granules — inokuziphatha kokugeleza ngokukhululekile nge-engeli yokuphumula elinganiselayo, ngakho-ke iphuma phansi okuyisicaba ngemigodi yaphansi noma nge-funnel engajulile ngaphandle kwenkimbinkimbi enkulu; ingozi yayo ukukhipha ngokweqile nokuhlukaniswa kunokuba ivinjwe. I-powder encane ine-engeli yokugeleza eguquguqukayo ephezulu uma isigcinwe ngaphansi komthwalo, inamathela ngokwanele ukuba ixhume emgodini omncane, futhi idinga i-cone noma i-funnel yaphansi enomthambeka ongaphezu kwaleyo engeli kanye nomgodi wokuphuma okhulu ngokwanele ukuba akukho khothamo elizinzile elingakheka. I-powder ehygroscopic yimbi nakakhulu futhi ngokuvamile idinga usizo — i-aeration pad, i-fluidisation ring, noma umgodi wokuphuma we-pulse noma wokudlidliza — okuklanyelwe kusukela ekuqaleni. Ukulinganisa umgodi wokuphuma ngokwezinga lokukhipha elidingekayo kanye nokuminyana kwesisindo, kunokuba kwenziwe kube ngosayizi ofanayo ne-screw yangaphansi, kugwema ukwehluleka okuvamile konyaka wokuqala. Embonini ethenga umkhumbi, ukuthi iyini i-silo ye-powder ne-granule kuphendulwa umgodi wokuphuma, i-engeli yokugeleza kanye ne-vent kunokuba kuphendulwe i-diameter esemfanekisweni.
Ukwehlukanisa: kungani i-silo ingaletha umkhiqizo ongafanele
I-silo enezinhlayiyana ezikhishwa endaweni eyodwa izoletha into engafani nento eyayingene. Ngenxa yokuthi izinhlayiyana ziyahluka ngobukhulu nokuminyana, ukugeleza okuphuma endaweni eyodwa kuvame ukuhambisa izinhlayiyana ezinkulu phakathi nendawo futhi kushiye ezincane eduze kodonga, ngakho into yokuqala ephuma ku-silo egcwele inkulu kunokwesilinganiso futhi eyokugcina incane. Lokho kubalulekile kunoma yikuphi ukusetshenziswa lapho ubukhulu bezinhlayiyana buyisici somkhiqizo, futhi izixazululo ziyingeokwakheka kokugcwalisa nendlela yokukhipha hhayi ukugcina okwengeziwe. Ukugcwalisa ngombhoshongo ophakathi nendawo noma ngezindawo eziningi zokungena ezisabalalisiwe kuvimbela into ukuthi ihluke ngobukhulu lapho ingena; ukukhipha ngezindawo eziningi zokukhipha noma ngokukhipha okuhambayo hhayi endaweni eyodwa kulinganisa into elethwayo; futhi lapho umkhiqizo ngempela kufanele ufane, i-silo akuyona indawo efanele yokukulungisa futhi ukuhlanganisa kufanele kube ngaphambili.
Uthuli nokugcinwa
Ama-silo e-powder ayizitsha zokuvalela, ngoba uthuli luwumkhiqizo kanye nengozi ngasikhathi sinye. Ukugcwalisa kudonsa umoya okufanele uphume ngokuhlunga okulinganiswe nomthamo wokudlulisa, kanti i-rotary airlock ibuyisela umkhiqizo obanjiwe ku-silo esikhundleni sokuwelela esakhiweni; amajoyinti egobolondo kufanele angangenisi uthuli, okusho ku-silo eliboshiwe ngamabhawodi ukuthi amajoyinti anama-flange anama-gasket e-EPDM namabhawodi ezinga le-8.8 ahlanganiswe nge-torque futhi aphinde ahlanganiswe nge-torque ekuhlolweni okuhleliwe. Ukukhipha nakho kudala uthuli, ngakho i-valve ejikelezayo nendawo yokudlulisa idinga ukuxhumana kokuqoqa. Futhi lapho i-powder iyingozi yezempilo noma yemvelo, izinga lokuvalela kuma-gasket, ku-manway nakukho konke ukungena kunquma ukuthi isitshalo siyayifeza yini imithwalo yaso, okwenza uhlelo lokungena lube yinto yokuklama esikhundleni semininingwane yokuhleleka.
Incazelo Yezobuchwepheshe
Ipharamitha | Inani Elijwayelekile / Ibanga | Qaphela |
Izinga lokushisa lokuncibilikisa i-enamel | 820–930 °C | Ingilazi encibilikiswe ensimbi ngomjikelezo owodwa |
Ubukhulu be-enamel | 0.25–0.45 mm | Ngaphezu kuka-3,450 N/cm² |
Ukuhlolwa kwenhlansi | 1500 V DC | Ngephaneli ngayinye ngaphambi kokuthunyelwa |
Ukuqina kwangaphakathi | Ra < 0.8 µm | Kuyahlanzeka phakathi kwemikhiqizo |
Ukumelana ne-pH | 1–14 | Ihlanganisa izimpuphu ezine-asidi ne-alkaline |
Inketho ye-galvanising | HDG ngokwe-GB/T 13912-2020 | Insizakalo yamaqembu amancane eyomile, engasebenzi |
Phansi | Isicaba, i-funnel noma i-cone | Isayizi isuselwa ku-flow angle kanye ne-cohesiveness |
Indawo yokuphuma | Isayizi isuselwa ku-bulk density kanye nezinga lokukhipha | Ivimbela ukubhuloga kanye nezinga elingaphezulu |
I-vent | Ihlungiwe nge-rotary airlock | Ilinganiswe nomthamo womoya wokuhambisa |
Uhlelo oluhlanganyelwe | I-Flanged, i-gasket ye-EPDM, amabhawodi ezinga le-8.8 | Ayangeneki uthuli uma eqiniswe nge-torque |
Ukugqwala kanye nendawo yangaphakathi
Ingaphakathi lento lenziwe ngamakhemikhali kanye nesidingo sokuhlanza. Into eqinile eyomile, engasebenzi, engaboli ingahamba ngensimbi egqitshwe ngokushisa ngokwe-GB/T 13912-2020, okuyisixazululo esingabizi kakhulu sama-pellets, okusanhlamvu okomile kanye namaminerali angasebenzi esilweni esomile, ngokuvikelwa kokuzidela ngaphakathi nangaphandle ngokufanayo. I-powder ene-asidi, i-alkaline noma emanzi idinga indawo engasebenzi: isilo sensimbi esihlanganiswe nengilazi esinongqimba lwe-enamel oluhlanganiswe ku-820–930 °C, olungu-0.25–0.45 mm ubukhulu, olulinganiselwe ngaphezu kwe-3,450 N/cm², oluhlolwe nge-spark ku-1500 V DC, olubushelelezi ku-Ra engaphansi kwe-0.8 µm futhi olubekezelela i-pH 1–14, okuphinde kwenza isilo sigezeke phakathi kwemikhiqizo, okuyinto isilo se-powder ngokuvamile okufanele sibe nayo. Lapho umkhiqizo uwukudla noma ukudla kwezilwane, kusebenza imibhalo ye-FDA ne-LFGB futhi ukugqitshwa ngokushisa akuvunyelwe endaweni ethinta umkhiqizo.
Icala Leprojekthi
Iprojekthi | Indawo | Umkhiqizo | Umthamo | Ububanzi |
Ithangi lamanzi aluhlaza elinobubanzi obukhulu | INamibia | Ithangi le-GFS | 44,900 m³ | ukuhlinzeka nokugadwa kokwakhiwa |
Ithangi lokugcina elinobubanzi obukhulu | IBeijing, eChina | Ithangi le-GFS | 9,682 m³ | ukuhlinzeka nokugadwa kokwakhiwa |
Ukugcinwa kwamanzi okuqeda umlilo, amathangi amabili | ISichuan, eChina | Ithangi lamanzi okuqeda umlilo le-GFS | 8,930 m³ | ukugadwa kokuhlinzekwa nokwakhiwa |
Amandla Obunjiniyela Be-Center Enamel
UCenter Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd) isungule futhi yakha amathangi okugcina aboshwe ngezibophezelo kusukela ngo-2008. Njengomkhiqizi wokuqala wamathangi ensimbi ehlanganiswe nengilazi (GFS) eChina, inkampani inamalungelo obunikazi acishe abe ngu-200 ahlobene ne-enamel, ikhiqiza cishe amapuleti ensimbi angu-300,000 ahlanganiswe ne-enamel ngonyaka, isiqedile amaphrojekthi afakiwe angaphezu kuka-30,000 futhi ihlinzeka ngamathangi ayo emazweni angaphezu kwe-100. Isizinda esisha sokukhiqiza esingu-150,000 m² sengezwe ukukhulisa umthamo wokukhiqiza, futhi amathangi angawodwa ahlinzekwa afinyelela ku-60,000 m³. Ukukhiqiza kusebenza ngaphansi kwe-ISO 9001 ne-ISO 45001, ngesitifiketi somkhiqizo esihlanganisa i-NSF/ANSI 61, i-WRAS, i-FDA, i-LFGB, i-CE (EN 1090), i-ISO 28765, i-FM, i-BSCI ne-EUROCODE, futhi ukuklama kubhekiselwa ku-AWWA D103-09, AWWA C550 ne-NFPA lapho uhlelo lokusetshenziswa ludinga khona.
Okwensizakalo yempuphu nezinhlamvu, leli yisilo esibhekwa kusukela kudatha yezinto: ijiyometri yaphansi nendawo yokuphuma, izinhlinzeko zokusiza, indawo yokuphefumula ehlungiwe kanye ne-rotary airlock, uhlelo lokungena olungangenisi uthuli, uphawu lwangaphakathi, kanye nerekhodi lokuhlolwa kokuboshwa namajoyinti eligcina isilo sivalekile iminyaka.
Imibuzo Evame Ukubuzwa
Umbuzo 1: Uyini umehluko phakathi kwempuphu nezinhlavu esilweni?
A1: Ukuziphatha kokugeleza. Amaqembu amancane ageleza ngokukhululekile futhi ahlukane ngosayizi, ngakho-ke izingozi ukukhishwa ngokweqile nokuhlukaniswa; ama-powder ahlangana futhi abe yinkukhu, ngakho-ke izingozi ukuvaleka komgudu wokuphuma, uthuli kukho konke ukudluliswa kanye nensalela ezindongeni. Umthambeka waphansi, usayizi womgudu wokuphuma kanye nosizo konke kulandela lowo mehluko.
Q2: Ngabe kufanele ngisebenzise isisekelo esiyisicaba noma isisekelo se-hopper?
A1: Isisekelo esiyisicaba silungele amaqembu amancane agelezayo ngokukhululekile kanye nezindawo ezinkulu zepulani ngezindleko eziphansi kakhulu; isisekelo se-funnel noma se-cone siyadingeka kuma-powder kanye nezinto ezinamathelayo, nomthambeka ongaphezu kwe-engeli yokugeleza kanye nomgudu wokuphuma okhulu ngokwanele ukuthi akukho-arch okungenzeka yakheke.
Q3: Kungani isilo sami samaqembu amancane siletha umkhiqizo ongafani?
A1: Ukuhlukaniswa. Ukukhishwa kwephoyinti elilodwa kuhambisa into eqinile phakathi nendawo futhi kushiya izinto ezincane odongeni. Gcwalisa nge-riser emaphakathi noma ngezindawo zokungena eziningi, futhi khipha ngezindawo zokuphuma eziningi noma ngokukhishwa okuhambayo ukuze kulinganiswe into elethwayo.
Q4: Ingabe insimbi eqinisiwe iyamukeleka ngaphakathi kwesilo se-powder?
A1: Kuphela kumkhiqizo owomile, ongenawo umsebenzi, futhi ongalimazi, futhi hhayi lapho ukuthintana nokudla noma ukudla kwezilwane kusebenza khona, ngoba ukuhamba kwe-zinc akwamukelekile. Kumaphawuda ane-asidi, i-alkaline, aswakeme noma athinta ukudla, sebenzisa ingaphakathi eline-enamel noma elihlanganisiwe.
Q5: Ngingayeka kanjani uthuli ukuba luphume ngesikhathi sokugcwalisa?
A1: Ngokusebenzisa i-coupling yokugcwalisa evaliwe noma i-spout ye-telescopic, isihlungi esise-vent esilinganiswe nomthamo womoya wokuhambisa, i-rotary airlock ebuyisela umkhiqizo obanjiwe esilweni, kanye namajoyinti egobolondo angangenisi uthuli kanye nezimpawu zokuvikela zokungena.
Q6: Ingabe isilo esisodwa singagcina amaphawuda amabili ahlukene?
A1: Kuphela ngokuhlanza okubhalwe phansi njengokuvunyelwe phakathi kwemikhiqizo. Ingaphakathi le-enamel elibushelelezi ku-Ra engaphansi kuka-0.8 µm elinomugqa wokugeza kanye nedreyini endaweni ephansi yikho okwenza ukushintsha kusebenze; ngaphandle kwalokho, ukungcoliswa okuphambanayo kuyingozi yangempela.
I-silo yempuphu namagranule ichazwa indlela okuqukethwe kwayo okuhamba ngayo: i-engeli yokugeleza ibeka phansi kanye nokuphuma, ukunamathela kubeka usizo, ukuziphatha kwezinhlayiya kubeka ukugcwalisa nokuhoxiswa, futhi ikhemistri ibeka ingaphakathi. Xazulula lezo zine futhi isakhiwo silula. Thumela idatha yento, umthamo, izinga lokukhipha kanye nemfuneko yokuhlanza kunjiniyela futhi uzothola ukucushwa kwe-silo okunephansi, okuphuma, uthuli kanye nobubanzi be-lining.
Khuluma Nonjiniyela
Thumela uhlobo lwempuphu noma i-granule, ububanzi bosayizi wezinhlayiya, ukuminyana kwe-bulk kanye ne-engeli yokugeleza, umswakama kanye ne-pH, umthamo odingekayo kanye nezinga lokukhipha, indlela yokugcwalisa kanye nemfuneko yokuhlanza, kanye nedatha yomoya neqhwa yesayithi. Sizobuyisela ukucushwa kwe-silo okunohlobo lwaphansi, ukulinganisa okuphumayo, izinketho zokusiza, ukuqoqwa kothuli, ukuvikelwa kwangaphakathi kanye nemidwebo nephakethe lemininingwane.
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