Inkqubo yeSludge Dryer

NgokweSikhokelo sobuGcisa sokunyangwa kodaka kunye nokulahlwa kweZityalo zokucocwa kogutyulo lwasezidolophini ezikhutshwe ngurhulumente, kucetywa iindlela ezine zokulahla udaka, ezizezi, ukusetyenziswa komhlaba, indawo yokulahla inkunkuma, ukusetyenziswa kwezinto zokwakha kunye nokutshisa okomileyo. Ngenxa yezithintelo ezikhulayo kunye nezinto ezingalunganga zodaka kwezolimo, indawo yokulahla inkunkuma, ulwandle kunye neminye imiba, unyango lokutshisa inkunkuma kunye nendlela yokulahla isetyenziswe ngokubanzi kwaye yakhuthazwa ngokubanzi kumazwe ahlukeneyo, akukho mathandabuzo ukuba ukutshisa udaka kuya kuba yenye yezona zinto zibalulekileyo kwaye zifanelekile kwesi sikimu sobugcisa bokulahla.

Ngokutsho udaka oluveliswa yinkampani iimpawu zobugcisa inkunkuma eyingozi, ukutshiswa kunye nokulahlwa kweemveliso emva kokomiswa, kunye nemfuneko yomthombo ubushushu umphunga, ngoko ke kuyimfuneko ukuba baqwalasele ngokubanzi ukhuseleko yayo, ukuguquguquka kobugcisa, uhlengahlengiso kwezoqoqosho, isicelo kunye nokukhuthazwa, kudityaniswe nohlobo lwenkqubo yokomisa izixhobo ezisetyenziselwa ukomisa udaka oluye lwafakwa kusetyenziso, uhlobo lwesixhobo sokomisa ulwelo olufakwe kwiintlobo zodidi lwesithandathu, ulwelo olufakwe kwiintlobo zodidi oludibeneyo uhlobo olunamanqanaba amabini, uhlobo lomaleko obhityileyo, uhlobo lokubheqa, uhlobo lwediski kunye nodidi lwesitshizi, zathelekiswa kwaye zakhethwa. Idityaniswe nokuvuthwa kobugcisa, ukuzinza kwenkqubo, ukhuseleko lokusebenza kunye nokukhuselwa kokusingqongileyo kwezi zixhobo zokomisa zingasentla ezintandathu, uhlobo lwesixhobo sokomisa ifilimu olucekethekileyo lwagqitywa ekugqibeleni.

1. Izixhobo zezixhobo zesomisi esincinci sefilimu

Ngokuqhelekileyo, i-dryer yefilimu encinci ihlanganiswe negobolondo ye-cylindrical kunye nomgangatho wokufudumala, i-rotor ejikelezayo kwigobolondo, kunye nesixhobo sokuqhuba i-rotor. I-rotor ixhotywe ngobuninzi beemilo ezahlukeneyo kunye neenkcukacha ze-paddle, i-paddle kunye ne-rotor zilungiswe ngamabholiti, imodi yendibano inokulungelelaniswa ngokuguquguqukayo, ukwenzela ukulungelelanisa ukutshintshwa kweempawu ze-sludge kunye nomthamo wonyango; Igobolondo elipheleleyo le-dryer yefilimu encinci idibaniswe kumacandelo. Ngokweemfuno ezahlukeneyo zokulahla, inokwahlulwa kwiindawo ezininzi zokufudumeza, kwaye inokuqonda ulawulo lomntu, ukulungiswa kweqondo lokushisa, ukuguquguquka okuguquguqukayo kunye nezinye izinto zokusebenza.

Amacwecwe asasazwayo asasazwa kwindawo yokungena yodaka kunye nesiphelo sodaka lwe-rotor. Amacwecwe amane e-scraper blades afakwe kwikholamu nganye yodaka lwe-inlet end of the cylinder, efakwe kwi-Angle ye-45 ° kunye nomgca wekholomu. Injongo yofakelo olunjalo kukuqonda ukuba i-sludge ifakwe ngokukhawuleza kumphezulu wodonga olushushu emva kokungena kwi-cylinder kwaye inomsebenzi wokuhambisa ukuya ekupheleni kokukhutshwa, iinqununu ze-72 zizonke; Amacwecwe amabini okugqibela okugubungela i-scraper afakwe kwikholamu nganye yesiphelo sodaka, kwaye i-scraper blades esasazekileyo ekupheleni kokutya ifakwe kwi-oblique Angle ye-45 °, ukwenzela ukuba injongo yokufakela i-buffer inertia force yemveliso xa ikhupha ukufezekisa umsebenzi wokukhutshwa ngokukhululeka ngokuxhuzula, i-36 iyonke iziqwenga.

Amagqabi okuhambisa ahanjiswa kwindawo ephakathi kwe-rotor, kwaye ii-40 blades zifakwe kwikholamu nganye, zizonke ii-720 blades.

Iindidi ezahlukeneyo zeeblades ziqonda ngokucacileyo imisebenzi ebalulekileyo yokusabalalisa i-sludge, ukusabalalisa, ukukrazula, ukuvuselela, ukudibanisa, ukucoca kunye nokuthutha kwindawo yodonga olushushu ukusuka kumsebenzi. Isishwankathelo, xa i-sludge emanzi ingena ukusuka kwelinye icala le-horizontal dryer, ngokukhawuleza isasazwa ngokuqhubekayo phezu kodonga olutshisayo nge-rotor ejikelezayo ukwenza uluhlu oluncinci lwezinto. Ngelixa ii-blades kwi-rotor ngokuqhubekayo ziqengqeleka umaleko obhityileyo we-sludge emanzi esasazwa kumphezulu wodonga olushushu, ii-blades zokuhambisa kunye ne-Angle yesikhokelo umsebenzi ofakwe kwi-rotor ujikeleze kunye nokujikeleza kwesetyhula ye-rotor. Iingqungquthela ze-sludge ze-semi-dry eziveliswe kwinkqubo ye-sludge e-sludge encinci kunye nokumisa kubonisa ukuhanjiswa okuthe tye kunye nolwalathiso lwe-axial ye-rotor kwisantya esithile somgca, kwaye siqhubele phambili kwi-sludge outlet kwelinye isiphelo sesomisi esincinci sefilimu. Ubungakanani be-axial ubude besomiso sefilimu esibhityileyo asingomgca othe tye kuphela ukusuka ekupheleni kwesondlo ukuya ekupheleni kokukhupha, kodwa kwakhona kugqibezela ukondla kunye nokukhutshelwa kodaka kuyo yonke i-cylinder ethe tyaba yokomisa ifilimu. Kule nkqubo, i-sludge emanzi ifudumeza ngokulinganayo ngodonga olushushu lomphunga kwaye amanzi aphuphuma. Ixesha lokuhlala le-sludge emanzi kwi-dryer yefilimu encinci yi-10 ~ 15 min, enokuqonda ukuqala ngokukhawuleza, ukuyeka kunye nokukhupha, kunye nokusebenza kwenkqubo kunye nolawulo lohlengahlengiso lwezixhobo zikhawuleza kakhulu.

3. Ukukhupha inkqubo yokuqokelela igesi yesomisi esincinci sefilimu

Isiqulatho sokufuma sodaka olutyiswa sisomisi sefilim esibhityileyo singama-75% ~85% (kubalwa njenge-80%), kunye nesiqulatho sokufuma sodaka oluveliswe sisomisi sefilimu esibhityileyo simalunga nama-35%. I-semi-dry sludge eboniswe njengegranular ithuthelwa kwiyunithi elandelayo ngenqanaba elilandelayo lokuhambisa izixhobo. Irhasi engumthuthi exutyiweyo, enjengomphunga wamanzi, uthuli oluphumayo kunye nerhasi yevumba, iveliswe kwinkqubo yokusebenza yesomisi bhanyabhanya esibhityileyo, ihamba ngendlela echaseneyo nodaka olukwisilinda, kwaye ikhutshelwa kwicondenser ngombhobho osuka kwitanki yokukhupha irhasi ngaphezulu kwezibuko lokutyisa udaka. Kwi-condenser, amanzi e-carrier carrier agxininiswe kwi-steam, kwaye i-gas engagxiliyo ihlukaniswe ngamaconsi kwaye ikhutshwe kwisistim sokumisa nge-fan ephumayo ye-draft fan fan. Ubungakanani benkqubo yokukhupha igesi yesomisi bhanyabhanya esibhityileyo sincinci ngokwentelekiso, ngokuqhelekileyo yi-5% ~ 10% kuphela yokuphuphuma kwenkqubo. I-fan ekhupha idrafti yedrafti eyenza yonke inkqubo yokomisa ikwimeko yoxinzelelo oluncinci ukuthintela ukuphuphuma kwerhasi yevumba kunye nothuli.

2. Iiparamitha zezobugcisa zezixhobo eziphambili zenkqubo yokomisa ifilimu encinci

Ngokwemfuno yale projekthi, umthamo wonyango lwe-sludge yesethi enye yenkqubo yokomisa i-sludge izimisele ukuba yi-2.5t / h (ngokomxholo wokufuma we-80%), kunye nomthamo wokufuma kwe-sludge yi-35%. Umthamo wokunyanga udaka lwemihla ngemihla yesomisi sefilimu esicekethekileyo yi-60 t/d (ngokomxholo wokufuma we-80%), umthamo olinganisiweyo wokuba ngumphunga wesomiso sefilimu esicekethekileyo yi-1.731 t/h, indawo yokutshintshiselana ngobushushu yesomisi sefilimu esibhityileyo yi-50 m2, kunye nesiqulatho sokufuma se-sludge inlet kunye ne-3% yesiqulatho sokufuma yi-80% yokufuma. Umthombo wobushushu wesomisi sefilimu esibhityileyo ngumphunga ogcweleyo, kwaye umgangatho wonikezelo lomphunga ungeniswa kwamanye amazwe: ubushushu bomphunga yi-180 ℃, uxinzelelo lomphunga yi-1.0 MPa, ukusetyenziswa komphunga wesomisi sefilimu esibhityileyo yi-2.33t / h, kunye nenani lesomisi sefilimu esincinci si-2, enye yokusetyenziswa enye.

Umphunga ogcweleyo we-180 ℃ uthuthwa usiwe kwisixhobo sokomisa umgama ngombhobho woxinzelelo, kwaye usetyenziswa njengomthombo wobushushu ukufudumeza ngokungathanga ngqo udaka oluphantse lube manzi. Amanzi akwi-semi-dry sludge aphinda abe ngumphunga kwi-linear dryer. Ngokwemfuno yangempela yemveliso ye-sludge (ukuqala kunye nokuyeka), i-sludge yokugqibela inokufikelela kwi-10% yomswakama womswakama kwaye uye kwi-cooler yemveliso.

Umthamo wokucutshungulwa kwesomisi somgca ngu-0.769t / h (umswakama we-35%), ubushushu obulinganisiweyo ngu-0.214t / h, indawo yokutshintshiselana ngobushushu yi-50 m2, umxholo wokufuma we-sludge inlet ye-dryer linear yi-35%, umxholo wokufuma we-sludge outlet yi-10%, umgangatho we-steam we-steam 0 kwiqondo lobushushu le-steam 0. ℃, uxinzelelo lwe-steam yi-1.0 MPa, ukusetyenziswa kwe-steam ye-dryer eyodwa yomgca ngu-0.253 t / h, kwaye ubuninzi buxhotyiswe ngesethi enye.

Uhlobo lwesixhobo se-condenser yegesi yokuthwala yi-condenser ye-injection edibeneyo, kunye ne-air intake eyi-3 500 Nm3 / h, i-inlet gas ye-inlet ye-95 ~ 110 ℃, i-outlet yegesi ye-90 ~ 180 Nm3 / h, kunye ne-outlet yegesi ye-55 ℃.

Uhlobo lwezixhobo zomthwali wegesi owenziwe yidrafti fan yi-fan yoxinzelelo oluphezulu lwe-centrifugal, umthamo omkhulu wokufunxa umoya yi-400 Nm3 / h, uxinzelelo lomoya ngu-4.8 kPa, iiparamitha ezibonakalayo zomthuthi wegesi ephakathi: ubushushu ngu-45 ℃, ukufuma yi-80% ~ 100% yenkqubo emanzi iseti isethi yomoya omile kunye ne-1 equipped igesi eyomileyo.

Umthamo wokucubungula we-cooler yemveliso ngu-1.8t / h, ukushisa kwe-sludge inlet yi-110 ° C, ukushisa kwe-sludge ku-≤45 ° C, indawo yokutshintsha ubushushu yi-20 m2, kwaye ubuninzi buyiyunithi ye-1.

3. Uhlalutyo lokusetyenziswa kwamandla ezoqoqosho ngexesha lokugunyaziswa kwesomisi esincinci sefilimu

Emva kwesiqingatha senyanga sokugunyaziswa okukodwa kunye nokuhanjiswa kodaka lwenkqubo yokumisa ifilimu ebhityileyo, iziphumo zezi zilandelayo.

Umthamo woqwalaselo loyilo lwesisomisi sefilimu esibhityileyo esinye kule projekthi yi-60 t/d. Okwangoku, i-avareji yonyango lwe-sludge emanzi ngexesha lokugunyaziswa yi-50 t / d (umxholo wokufuma ngu-79%), ofikelele kwi-83% ye-sludge eyilelwe isikali sonyango lwesiseko esimanzi kunye ne-87.5% ye-sludge eyilwe isikali sonyango esomileyo.

Umyinge wokunyakama kodaka lwe semi-dry sludge oluveliswe sisomisi sefilimu esibhityileyo yi-36%, kwaye isiqulatho sokufuma sodaka oluphantse lube manzi athunyelwa kumazwe angaphandle sisisomisi somgca ngama-36%, nto leyo ihambelana nexabiso ekujoliswe kulo kwimveliso yoyilo (35%).

Ilinganiswe ngemitha yangaphandle egcwele umphunga kwindawo yokusebenzela yokumisa i-sludge, ukusetyenziswa komphunga ogcweleyo yi-25 t/d, kunye nethiyori iyonke yokusetyenziswa kobushushu bemihla ngemihla yobushushu obufihlakeleyo bomphunga womphunga yi-25 t×1 000×2 014.8 kJ/kg÷4.184 kJ =07 × 1.29 kJ = 1.184 kJ = 7. I-avareji yonke imihla engumphunga amanzi inkqubo yokomisa yi (50 t × 0.79)-[50 t × (1-0.79)]÷ (1-0.36)×1 000=23 875 kg/d, Emva koko ukusetyenziswa kobushushu kweyunithi yenkqubo yokomisa i-sludge yi-1.203 871kg 5/5 × 1 × 1.203 871 kg = 5 × 3 × 1 × 1. amanzi abe ngumphunga; Ngenxa yokuba inkqubo yokomisa i-sludge ixhomekeke kutshintsho lwesiqulatho sokunyakama kodaka olumanzi, umgangatho womphunga wangaphandle, kunye neempawu zesixhobo sothutho semveliso ye-semi-dry sludge kwiimfuno ze-granularity kunye nezinye izinto, kuyafuneka ukuba kunyuswe ixabiso leenguqu ezahlukeneyo kwixesha elizayo lomsebenzi wovavanyo lwexesha elide, ukuze ushwankathele ezona meko zibalaseleyo zokusebenza kunye nesalathiso soqoqosho lwenkqubo yokusetyenziswa kwamandla.

1.Thin film dryer machine

Isakhiwo sezixhobo zesomisi esincinci sefilimu siqukethe igobolondo ye-cylindrical ene-heater layer, i-rotor ejikelezayo kwigobolondo, kunye nesixhobo sokuqhuba i-rotor: i-motor + reducer.

I-rotor ixhotyiswe ngamacangci okugquma, ukuxuba kunye nokuqhubela phambili. Umgama phakathi kwee-blades kunye negobolondo yangaphakathi yi-5 ukuya kwi-10 mm. Umphezulu wokufudumeza unokuzicoca ngokwawo, kwaye iiblades zinokuhlengahlengiswa kwaye zisuswe.

Isixhobo sokuqhuba: (i-motor + reducer) i-frequency conversion okanye i-speed speed motor ingakhethwa, i-belt reducer okanye i-gearbox ingakhethwa, ukudibanisa ngokuthe ngqo okanye ukudibanisa ukudibanisa kungasetyenziswa, isantya se-rotor singalawulwa kwi-100 r / min, i-rotor yangaphandle ye-edge ye-linear speed inokulawulwa kwi-10 m / S, ixesha lokuhlala kwi-sludge yi-10 ~ 15 min.

2. Umzimba owomileyo owenziwe ngemigca

Isomisi somgca sithatha uhlobo lwe-screw conveyor e-U-shaped, kwaye i-blade yokuhambisa yenziwe ngokukodwa kwaye icutshungulwe ukuze igweme ukukhutshwa kunye nokusikwa kwamaqhekeza e-sludge. Igobolondo kunye ne-shaft ejikelezayo yesomisi somgca ngamalungu okufudumeza, kwaye igobolondo leqokobhe linokukhutshwa. Ngaphandle kweendawo zokufudumeza, inxalenye yokudibanisa ne-sludge yenziwe ngensimbi engenasici 316 L okanye izinto ezilinganayo, kunye nezinye iindawo zenziwe nge-carbon steel, oko kukuthi, izixhobo zokumisa umgca zenziwe nge-SS304 + CS.

3. Icondenser

Umsebenzi we-condenser ye-carrier carrier kukuhlamba i-exhaust gas kwi-sludge dryer ukwenzela ukuba i-gas condensible kwi-gas condenses. Uhlobo lolwakhiwo lwezixhobo luyi-condenser yokutshiza ngokuthe ngqo, kunye nezinto zokulungisa yi-SS304.

4.Izipholisi zemveliso

Umsebenzi wemveliso epholileyo kukunciphisa i-sludge eyomileyo ye-110 ° C ukuya malunga ne-45 ° C, kunye nendawo yokudlulisa ubushushu be-21 m2 kunye namandla angama-4 kW. Eyona nto iphambili yokusebenza kunye nemathiriyeli yokuvelisa i-SS304 + CS.

Inkqubo yokomisa i-sludge yefilimu ebhityileyo iye yathandwa kwiminyaka yamuva ngenxa yeempawu zayo zobugcisa, iyenza ibe yindlela efanelekileyo kunye nesebenzayo yonyango lwe-sludge. Inkqubo ibandakanya ukusebenzisa i-dryer yefilimu encinci, ukususa ngokukhawuleza nangokufanelekileyo umswakama kwi-sludge, ukushiya imveliso eyomileyo ye-granular elula ukuyiphatha kunye nokuthutha. Idityaniswe kunye namava okusebenza kwezixhobo zenkqubo yetekhnoloji ehlukeneyo kwintsimi yokomisa i-sludge kunye nokutshisa, iimpawu zobugcisa zenkqubo yokumisa ifilimu enodaka ngolu hlobo lulandelayo.

1. Iimpawu eziphambili zobuchwepheshe zomshini obhityileyo wefilimu wokomisa udaka kukudityaniswa kwayo lula. Le ndlela idinga izixhobo ezincedisayo ezincinci kwaye kulula ukuyisebenzisa nokulawula. Inkqubo yokumisa ayifuni ukuxuba umva, kwaye i-sludge idlula ngokuthe ngqo "isiteji seplastiki" (i-sludge viscosity zone), okwenza inkqubo isebenze ngakumbi kwaye ilungelelaniswe. Ukongezelela, umthamo wegesi yomsila owenziweyo uncinci kwaye inkqubo yonyango yegesi yomsila ilula, okwenza kube yinto eyongayo, esebenzayo kunye neyokusingqongileyo yokomisa i-sludge.

2.Uqoqosho olusebenzayo ngomnye umba obalulekileyo womatshini wokomisa udaka lwefilimu. Iyaziwa ngokusetyenziswa kwayo okuphantsi kwamandla kunye nokusebenza kakuhle kokunyuka komphunga. Ukubuyiswa kunye nokuphinda kusetyenziswe indawo yokufudumeza nako kunokwenzeka, ukunciphisa iindleko zamandla. Ukongezelela, isixhobo sinobunzima, sineendleko zokugcinwa okuphantsi kwaye zifuna ukubeka iliso elincinci, okwenza kube isisombululo esineendleko zokumisa i-sludge.

3.Ukuguquguquka kokusebenza kwakhona yinto ephawulekayo yomshini wokomisa udaka lwefilimu. Ifanelekile ukomisa iintlobo ezahlukeneyo ze-pasty sludge kwaye inokuvelisa imveliso efanayo ye-sludge particles kunye naluphi na umxholo wokufuma. Le nkqubo inomthwalo ophantsi wezinto eziqinileyo, isiqalo esilula kunye nokuyeka, kunye nexesha elifutshane lokukhupha, eliphucula ngakumbi ukuguquguquka kwayo kokusebenza.

4. Inkqubo yokomisa i-sludge yefilimu encinci iyaziwa ngokukhuseleka kwayo kunye nokukhuselwa kwendalo. Yamkela uyilo lwe-inert olunamacala amaninzi njenge-N2, umphunga, kunye nokufumanisa ukuzicima. Inkqubo isebenza kwinkqubo evaliweyo yoxinzelelo olubi kunye ne-oksijeni ephantsi, akukho vumba kwaye akukho ukuvuza kothuli, ukunciphisa amathuba okuqhuma uthuli kunye nokuqinisekisa ukhuseleko kunye nokukhuselwa kokusingqongileyo kwenkqubo yokomisa i-sludge.

Isishwankathelo, iimpawu zobugcisa zenkqubo yokomisa i-sludge yefilimu ebhityileyo yenza ukuba ibe yindlela esebenzayo, enoqoqosho kunye neyokusingqongileyo yonyango lokunyanga i-sludge. Le nkqubo ineempawu zokulula okubanzi, uqoqosho olusebenzayo, ukuguquguquka kokusebenza, ukhuseleko kunye nokukhuselwa kwendalo, njl., kwaye sisisombululo esixabisekileyo sezixhobo zokumisa i-sludge.