Impembelelo yobungakanani bokusasazwa kobungakanani be-particle ye-coke yezinto ezikrwada ekungeneni komgangatho wezinto kunye nokufana kwe-calcination kwi-oven ejikelezayo inokuhlalutywa ngokusebenzisa ulwalamano phakathi kweeparamitha zobukhulu be-particle kunye nezalathisi zenkqubo ngolu hlobo lulandelayo:
I. Impembelelo yoBuninzi boSasazo loBukhulu beeNgcawu ekuGuquguqukeni koMaleko weZinto
Ubungakanani boBukhulu beParticle (Ixabiso lePDI)
- Inkcazo: Isalathisi sokusasazwa kobungakanani be-particle distribution dispersion (PDI = D90/D10, apho i-D90 ibukhulu besihluzo apho ama-90% ee-particles adlula khona, kwaye i-D10 ibukhulu besihluzo apho ama-10% ee-particles adlula khona).
- Ipateni yempembelelo:
Ixabiso elincinci le-PDI (elibonisa ubungakanani obufanayo bee-particle) likhokelela kwi-porosity ephezulu yomaleko wezinto, kunye ne-permeability index (ixabiso le-K) enyuka malunga ne-15% ukuya kwi-20%. - Idatha yovavanyo:
Xa i-PDI yehla ukusuka kwi-2.0 ukuya kwi-1.3, ukuhla koxinzelelo ngaphakathi kwi-oven kwehla ngama-22%, kwaye izinga lokuhamba kwegesi liyanda nge-18%, nto leyo ebonisa ukuphucuka okukhulu ekungeneni kwamanzi. - Indlela yokusebenza:
Ubungakanani obufanayo beesuntswana bunciphisa imeko yeesuntswana ezincinci ezizalisa izikhewu phakathi kweesuntswana ezinkulu, ziphephe isiphumo "sokudibanisa iisuntswana" ngaloo ndlela zinciphise ukumelana nokuhamba komoya.
Umxholo weCarticle eNcinci (<0.5 mm)
- Umda obalulekileyo:
Xa umlinganiselo wamasuntswana amancinci udlula i-10%, ukuvuleka kwawo kuyehla kakhulu. - Ulwalamano lobungakanani:
Kwi-5% yokwanda kwamasuntswana amancinci, ukuhla koxinzelelo ngaphakathi kwi-oven kuyanda malunga ne-30%, kwaye izinga lokuhamba kwegesi liyancipha nge-25%. - Into yokuphonononga:
Kwi-oven ye-petroleum coke calcination, xa umxholo we-fine particles unyuka ukusuka kwi-8% ukuya kwi-15%, uxinzelelo olubi kwi-oven head lunyuka ukusuka kwi--200 Pa ukuya kwi--350 Pa, nto leyo ebangela ukuba kunyuke amandla e-draft fan ukuze kuqhubeke ukusebenza, nto leyo ebangela ukuba kunyuke ukusetyenziswa kwamandla nge-12%.
Ubungakanani obuqhelekileyo beParticles (D50)
- Uluhlu olufanelekileyo:
Eyona ndlela ilungileyo yokungena kwamanzi ifumaneka xa i-D50 iphakathi kwe-8 kunye ne-15 mm. - Impembelelo yokuphambuka:
Xa i-D50 ingaphantsi kwe-5 mm, i-porosity yomaleko wezinto ezibonakalayo iyancipha iye ngaphantsi kwe-35%, kwaye i-permeability index yehla nge-40%;
Xa i-D50 idlula i-20 mm, nangona i-porosity iphezulu, indawo yoqhagamshelwano phakathi kwamasuntswana iyancipha, inciphisa ukusebenza kakuhle kokudluliselwa kobushushu nge-15% kwaye ichaphazela ngokungathanga ngqo i-calcination uniformity.
II. Impembelelo yoBuninzi boSasazo loBukhulu beeParticles kwiNkomfa yeCalcination
Ukuphambuka okuMgangatho woSasazo loBushushu (σT)
- Inkcazo:
Isalathisi sezibalo sokuguquguquka kwe-amplitude yobushushu be-axial ngaphakathi kwi-oven, kunye ne-σT encinci ebonisa i-calcination efanayo. - Impembelelo yobukhulu beParticle:
Xa ubungakanani besuntswana bufana (PDI < 1.5), i-σT inokulawulwa ngaphakathi kwe-±15℃;
Xa ubungakanani besuntswana bungalingani (PDI > 2.5), i-σT iyanda iye kwi-±40℃, nto leyo ekhokelela ekutshisweni kakhulu kwendawo okanye ekutshisweni ngaphantsi kwayo. - Into yokuphonononga:
Kwi-oven ye-aluminium carbon rotary, ngokuphucula ukusasazwa kobukhulu be-particle ukunciphisa i-PDI ukusuka kwi-2.8 ukuya kwi-1.4, ukuphambuka okuqhelekileyo komxholo oguquguqukayo kwimveliso kunciphisa ukusuka kwi-0.8% ukuya kwi-0.3%, nto leyo ephucula kakhulu ukulingana kwe-calcination.
Isantya seNtshukumo yangaphambili yeNgxaki (Vr)
- Inkcazo:
Isantya sokuqhutywa kwe-interface ye-calcination reaction kumaleko wezinto, sibonisa ukusebenza kakuhle kwe-calcination. - Ulwalamano nobungakanani beParticle:
Kwi-10% nganye yokwanda kwenani lamasuntswana amancinci (<3 mm), i-Vr inyuka malunga ne-25%, kodwa inokubangela ukusabela okukhawulezayo kakhulu kunye nokugqithisa kakhulu kwendawo;
Kwi-10% yokwanda kwenani lamasuntswana arhabaxa (>20 mm), i-Vr iyancipha nge-15% ngenxa yokumelana nobushushu okwandileyo. - Indawo yoLingano:
Xa usasazo lobungakanani besuntswana luhamba kabini (umz., umxube weesuntswana ezi-3-8 mm kunye ne-15-20 mm), i-Vr inokugcinwa ngaphakathi koluhlu olufanelekileyo (0.5-1.0 mm/min) ngelixa kuqinisekiswa ukuba iyafana.
Izinga lokuQinisekiswa kweMveliso (Q)
- Ulwalamano lobungakanani:
Kwi-0.5 unit mounting in uniformity (oko kukuthi, ukwehla kwexabiso le-PDI), izinga lokufaneleka kwemveliso linyuka malunga ne-8%;
Kwi-5% nganye yokuncipha komxholo wee-particles ezincinci, izinga lenkunkuma elibangelwa kukutsha ngaphantsi okanye ukutsha kakhulu liyancipha nge-12%. - Idatha yeShishini:
Kwi-oven ejikelezayo ye-titanium dioxide, ngokulawula ubungakanani be-particle ye-coke yezinto eziluhlaza (D50 = 12 mm, PDI = 1.6), ukuphambuka okuqhelekileyo kobumhlophe bemveliso kwehla ukusuka kwi-1.2 ukuya kwi-0.5, kwaye izinga lemveliso yebanga lokuqala liyanda ukusuka kwi-75% ukuya kwi-92%.
III. Iingcebiso ezipheleleyo zokuphucula umgangatho
Iinjongo zoLawulo lobungakanani bamasuntswana:
- D50: 8-15 mm (inokuhlengahlengiswa ngokweempawu zezinto eziphathekayo);
- I-PDI: <1.5;
- Umxholo wesuntswana elincinci (<0.5 mm): <8%.
Amaqhinga oLungiso lweNkqubo:
- Sebenzisa iinkqubo zokutyumza nokuhlola ezinamanqanaba amaninzi ukuqinisekisa ukusasazwa kobukhulu beesuntswana ezixineneyo;
- Yenza unyango lwangaphambi kokwenza (umz., ukubopha iibriquet) kwiinxalenye ezincinci ukuze kuncitshiswe ilahleko zokubhabha;
- Lungiselela ubungakanani bezinto ezincinci ngokwendlela ezisetyenziswa ngayo kwi-oven (umlinganiselo wobude ukuya kububanzi, isantya sokujikeleza), umzekelo, usebenzisa izinto ezincinci njengeyona nto iphambili kwii-oven ezinde kwaye wongeze nezinye izinto ezincinci kwii-oven ezimfutshane.
Ukubeka iliso kunye nengxelo:
- Faka ii-analyzers zobungakanani bee-particle kwi-intanethi ukuze zijonge ukusasazwa kobungakanani bee-particle zezinto ezingena kwi-oven ngexesha langempela;
- Hlanganisa nemodeli ye-computational fluid dynamics (CFD) yentsimi yobushushu ngaphakathi kwi-oven ukuze ulungise ngokuguquguqukayo iiparameter zobukhulu be-particle kunye ne-calcination regime.
Ixesha leposi: Epreli-16-2026