Maganin bushewar sludge:

Matsayin aikace-aikacen da kuma nazarin shari'ar a kwance na bakin ciki na fim bushewar matakai biyu a cikin sludge gauraye filin samar da wutar lantarki

Wannan labarin ya gabatar da matakai biyu na na'urar bushewa na bakin ciki na bakin ciki na bakin ciki daki-daki, da kuma yin nazari akan jiyya na sludge, aikin fadada zubar da ruwa a cikin Bamboo Park a matsayin misali. Na'ura mai bushewa na bakin ciki na bakin ciki yana da babban ƙarfin sarrafawa guda ɗaya, babban aminci, kyakkyawan hatimi, ƙarancin iskar gas, da yanayin zaman bita na abokantaka. Bisa ga abũbuwan amfãni daga kwance bakin ciki film bushewa kayan aiki mataki-mataki tsari a cikin aminci, sassauci, tattalin arziki da sauran al'amurran, wannan sludge bushewa tsari ne mafi kuma mafi amfani a fagen sludge hadawa da harbe-harbe ikon samar, kuma za a iya amfani da a matsayin daya daga cikin fi so matakai domin sludge jiyya da zubar da ayyukan a cikin ikon shuke-shuke. Tare da saurin ci gaban birni, adadin najasa yana ci gaba da ƙaruwa, kuma ci gaban haɓaka masana'antar kula da najasa yana ci gaba da haɓakawa, yana haifar da haɓakar sludge mai yawa. Ya zuwa karshen shekarar 2016, yawan aikin kula da najasa na kasar Sin ya kai miliyan 150 m/d, kuma adadin dala ya kai kusan tan miliyan 30. An yi kiyasin cewa yawan ruwan da kasar Sin za ta fitar zai haura tan miliyan 60 nan da shekarar 2020 bisa la'akari da danshin kashi 80%. Lalacewar da aka samar a cikin tarin da tsarin kula da najasa na birni na iya ƙunsar ƙarfe mai nauyi, ƙwayoyin cuta, ƙwayoyin cuta, ƙwayoyin cuta da adadi mai yawa na kwayoyin halitta masu guba. Idan ba a kula da shi yadda ya kamata ba, kuma ba a zubar da shi ba, zai haifar da mummunar gurɓataccen gurɓataccen yanayi ga muhallin da ke kusa da wurin da ake fitarwa da kuma yin barazana ga lafiyar ɗan adam. Matsalar kula da sludge da zubar da su ya zama sanannen matsalar muhalli a ƙarƙashin halin da ake ciki yanzu. A halin yanzu, manyan hanyoyin magance sludge sun haɗa da maida hankali, kwantar da hankali, bushewa, bushewa, da dai sauransu, yawanci maida hankali, sanyaya da bushewa, yawan bushewa har yanzu yana kan ƙaramin matakin. Zubar da sludge yana nufin makoma ta ƙarshe na sludge bayan jiyya. A halin yanzu, manyan hanyoyin zubar da shara sun hada da tsaftace shara, amfani da kasa, yin amfani da kayan gini bayan an kone su, da dai sauransu, daga cikinsu akwai hanyar da aka fi amfani da shi wajen tsaftace shara. A gefe guda kuma, saboda ƙaƙƙarfan ƙa'idodi da ƙayyadaddun albarkatun ƙasa da ake da su, a ɗaya ɓangaren, jiyya da zubar da bushewa da ƙonewa suna ƙara zama ruwan dare.

A kwance bakin ciki fim sludge bushewa biyu-mataki tsari

Bushewar sludge wani tsari ne da ke amfani da makamashin zafi ko zafin sharar masana'antu da ɓarkewar zafin da ake samu ta hanyar kona albarkatun mai don fitar da ruwa cikin sludge da sauri ta hanyar fasaha da kayan aiki na musamman. Bushewar sludge yana kawar da ruwa a cikin sludge, don cimma manufar bushewar sludge, rage yawan sludge, inganta darajar caloric na sludge, kuma a lokaci guda gane raguwa da daidaitawar sludge. A kwance bakin ciki bakin ciki film sludge bushewa mataki-mataki tsari ne daya daga cikin na al'ada matakai na manyan-sludge bushewa ayyukan a halin yanzu, wanda shi ne kai tsaye dumama bushewa tsari ta amfani da cikakken tururi ko zafi conduction mai a matsayin zafi matsakaici.

Core kayan aiki

The core kayan aiki na kwance bakin ciki bakin ciki film sludge bushewa biyu-mataki tsari ne a kwance bakin ciki bakin ciki bushewa inji. Kayayyakin kayan aikin muhalli na Xinjieyuan da ke da alaƙa sun haɗa da sinadarai, magunguna, abinci, muhalli da filayen makamashi. Kamfanin Xinjieyuan yana da cikakken bincike da cibiyar ci gaba da gwaji. Kamfanin ne a duniya jagora a thermal rabuwa mafita ga refractory gauraye kayan da bakin ciki film evaporation fasahar, kazalika da jagora a cikin ci gaba da kuma samar da kayan aiki ga bushewa high danko kayan.

Hoton yana nuna zane-zane na injin bushewar fim na bakin ciki a kwance. Na'urar bushewar fim mai bakin ciki a kwance ta ƙunshi sassa uku: harsashi, rotor da ruwa, da na'urar tuƙi. Harsashi jirgin ruwa ne mai matsa lamba, kuma jaket ɗin harsashi za a iya cika shi da cikakken tururi ko mai sarrafa zafi azaman matsakaicin zafi na tsarin bushewar sludge. Kayan yana da babban zafin jiki resistant tukunyar jirgi karfe na Turai misali. Bangon ciki shine ɓangaren canja wurin zafi a cikin hulɗa tare da sludge, yana samar da babban wurin musayar zafi da kuma mai ɗaukar nauyin bakin ciki na sludge. Juriya na lalata da juriya sun fi sauran kayan; Na'urar na'ura mai juyi wani yanki ne mai raɗaɗi, kuma fasahar sarrafa shi ta musamman na iya tabbatar da cewa na'urar ba ta haifar da juzu'i ba yayin da ake zafi da juyawa cikin sauri, kuma nisa tsakanin gefen waje na ruwa da bangon ciki koyaushe ana kiyaye shi a 5-10mm. Karkashin jujjuyawar rotor da rufin ruwa, sludge da ke shiga cikin na'urar bushewa zai samar da wani nau'i na bakin ciki mai ƙarfi akan bangon ciki daidai, kuma ana sabunta bakin bakin ciki na sludge akai-akai. Yana ci gaba da bushewa yayin da yake ci gaba zuwa hanyar fita.

Tsari kwarara

Bayan decanter centrifuge dewatering, da rigar sludge tare da danshi abun ciki na 80% -85% ana hawa zuwa rigar sludge silo ta hanyar abin hawa ko bututun sufuri. Ana samar da silo tare da firam ɗin faifai don hana sludge daga kafa gada, kuma an tanadar da ƙasa tare da zazzagewar dunƙule da rigar sludge isar da famfo.

Ruwan jika mai ɗaukar famfo yana jigilar sludge zuwa ƙofar na'urar busar da fim na bakin ciki, kuma sludge ɗin da ke shiga na'urar busar da fim ɗin bakin ciki an lulluɓe shi a saman bangon zafi ta hanyar ruwa akan rotor. Ruwan ba wai kawai yana jujjuyawa da haɗa sludge a saman bangon zafi ba, har ma yana tura shi gaba zuwa mashigar laka. A cikin wannan tsari, ruwan da ke cikin sludge yana zafi kuma yana ƙafewa zuwa tururi na ruwa, wanda ke motsawa tare da sludge a cikin na'urar bushewa kuma ya shiga tsarin daɗaɗɗen iskar gas daga tankin da ke sama da tashar ciyar da sludge.

Bayan da iskar gas ɗin wutsiya da aka samar a cikin na'urar bushewa na fim na bakin ciki ya shiga tsarin na'urar ta cikin akwatin shaye-shaye, ya fara shiga cikin na'urar. A cikin na'ura mai ba da hanya tsakanin hanyoyin sadarwa, ana wanke tururi mai sharar gida da ruwa, kuma ruwan yana tarawa daga iskar gas ɗin wutsiya. Ana fitar da ƙaramin adadin iskar gas mara ƙarfi (mai canzawa a cikin iska da sludge) daga tsarin bushewa ta hanyar mai shayarwa bayan rabuwar digo ta na'urar kashewa kuma ana sarrafa shi a cikin tsarin deodorization ko tsarin ƙonewa. Adadin iskar iskar gas da tsarin bushewar kai yayi kadan kadan, kawai 5% -10% na ruwa mai fitar da tsarin. Mai shayar da iskar gas yana sa tsarin bushewa gabaɗaya a cikin yanayin matsa lamba mara kyau don guje wa ƙamshi da ƙura.

Busasshen sludge tare da 30% -40% danshi abun ciki da aka samar daga na'urar bushewar fim na bakin ciki an ƙara bushewa a cikin injin bushewa na layi na gaba, kuma ana iya bushe mafi ƙarancin abun ciki zuwa 5%. Lokacin da busassun sludge ke adana na ɗan lokaci, ana saita mai sanyaya sludge. Za a fara sanyaya sludge bayan bushewa ta na'urar busar da layin layi, kuma ana rage zafin sludge zuwa ƙasa da 50 ℃ don inganta aminci da hana sludge daga fashewa ko konewa ba tare da bata lokaci ba. Sa'an nan kuma a aika zuwa busassun sludge silo don adanawa ta hanyar bawul ɗin fitarwa da na'ura mai gogewa bi da bi. Lokacin da aka haɗa tsarin ƙonawa na gaba, ana iya haɗa tsarin bushewa kai tsaye tare da tsarin ƙonawa a cikin jerin ta hanyar kayan aikin isarwa. Tsarin bushewa na bakin ciki a kwance na matakai biyu na iya cimma buƙatun ƙaddamar da kai a cikin tsarin ta hanyar ruwa mai fitar da ruwa a cikin sludge. A cikin yanayin farawa da gaggawa, ana amfani da ƙananan tururi, ruwa mai kyau ko iskar nitrogen a matsayin matsakaicin inertification na tsarin bushewa. Ana saita mai nazarin abun ciki na iskar oxygen a mashigar tankin shaye-shaye, kuma ana iya samun aminci da kwanciyar hankali na tsarin bushewar sludge ta hanyar sarrafa abun cikin iskar oxygen a cikin tsarin bushewa.

Amfanin tsari

1) Tsaro: kyakkyawan iska na tsarin bushewa na fim na bakin ciki, koyaushe yana kula da matsa lamba mara kyau na -0.5 zuwa -1kPa, babu wari da ƙura; Tsarin zai iya zama mai zaman kansa kuma ya saita hanyoyi daban-daban na rashin aiki, ana sarrafa abun ciki na oxygen a cikin ayyukan gundumomi a kasa 5%; Matsakaicin bushewar sludge a mashin na'urar bushewa zai iya kaiwa 100 ℃, wanda zai iya taka rawar haifuwa gabaɗaya kuma ya dace da ma'aunin EPA503 na lambar zubar da sludge na Hukumar Kare Muhalli ta Amurka. Babu wani lamarin tsaro a tarihin aikace-aikacen. 2) Kwanciyar hankali: a cikin sludge da coal coal coal incineration project, lokacin da danshi na sludge ya shiga cikin tukunyar jirgi na wutar lantarki yana da yawa, yana da sauƙi don samun mummunan tasiri akan kayan aikin tukunyar jirgi, wanda zai iya haifar da mummunar lalacewar kayan aiki. Na farko, bangon ciki na cikin tanderun yana wankewa kuma yana sawa da gaske, kuma na biyu yana da sauƙi don haifar da toshewar tsarin isarwa, wanda ya haifar da rufewar tanderun. Tsarin matakai biyu na sludge fim na bakin ciki yana da ƙananan sludge danshi abun ciki, kuma zai iya gane saurin daidaitawa na sludge danshi tsakanin 20% -33% ta hanyar daidaita matsa lamba a cikin injin bushewa. Idan aka kwatanta da sauran matakai, yana da fa'ida a bayyane kuma yana taka rawa mai kyau wajen kiyaye zaman lafiyar kayan aikin wutar lantarki da aikin grid na wutar lantarki.

3) Mai sauƙi: daidaituwa da granulation na samfuran sludge na iya haɓaka kwanciyar hankali na aikin tukunyar wutar lantarki. Sauran matakai suna buƙatar ƙara kayan aikin murkushewa ko granulation, yayin da na'urar bushewa na bakin ciki na iya zama granulation kai, samfurin shine sludge iri ɗaya, ba tare da ƙarin kayan aikin granulation ba; Ƙananan adadin kayan aikin taimako, ƙananan ƙafa, aiki mai sauƙi da sarrafawa; Babu jigilar iskar gas, babu sludge baya hadawa; Dangane da "Dokokin Kula da Jirgin Ruwa", kowane nau'in injunan bushewa suna buƙatar aiwatar da dubawar bangon ciki na lokaci-lokaci, na'urar bushewa na bakin ciki ba tare da sauran kayan ɗagawa ba, dacewa da ingantaccen kulawa.

4) M: fadi da kewayon aikace-aikace, dace da iri-iri na sludge, iya yarda a cikin laka abun ciki na laka 65% -90% rigar sludge; Tsarin matakai biyu na iya samar da kowane samfur tare da ingantaccen abun ciki iri ɗaya. Fara, tsayawa da komai kankantar lokaci ne, kuma babu aikin tsaftacewa da ake buƙatar sake farawa. 5) Tattalin Arziki: haɓakar ƙawancen iska mai yawa. A cikin aikin haɗin gwiwar sludge, ana iya amfani da tururi na wutar lantarki kai tsaye azaman matsakaicin zafi. Ruwan ƙanƙara a kowace murabba'in murabba'in na'urar bushewa na bakin ciki zai iya kaiwa fiye da 45kg a kowace awa. Za a iya haɗa ayyukan gundumomi tare da wasu tsarin (kamar tsarin narkewa), zai iya cimma fiye da 80% babban inganci na dawo da makamashi mai zafi; Ƙananan farashin kulawa, dubawa na shekara ɗaya kawai na kwanaki 5-10 a kowace shekara; Ƙanshi kaɗan ne, ƙarancin magani; Cikakken sarrafawa ta atomatik, ƙananan buƙatun saka idanu.

Case binciken na kwance bakin ciki bakin ciki film sludge bushewa biyu-mataki tsari a sludge gauraye harbe-harbe ikon samar da filin

Abun hidima na aikin ba da jiyya da zubar da zubar da ruwa na yankin Zhuyuan na Shanghai shi ne sludge da ba a ruwa ba da aka samar ta hanyar kula da najasa na farko da na biyu na najasa na Zhuyuan da aka inganta zuwa ma'auni mai tsabta na Grade A da kuma najasa miliyan 2.2 m/d bayan kammala sabon aikin haɓakawa da kari. Matsakaicin ginin aikin shine 223tDS/d, daidai da girman sludge na 80% abun ciki danshi 1115t/d. Tsarin kayan aiki yayi la'akari da yanayin kulawa na layin ƙonawa na kashi na farko na aikin, kuma ma'aunin jiyya na aikin shine 288.5tDS / d, daidai da girman sludge na 80% danshi abun ciki 1442.5t/d. Hanyar sarrafa sludge tana ɗaukar hanyar bushewa na bakin ciki na bakin ciki mai matakai biyu + haɗawar injin wutar lantarki da aiwatar da harbe-harbe. Ana jigilar sludge da aka zubar da ruwan damshi 80% zuwa wurin sarrafa sludge ta motar juji. Bayan tsarin karɓar sludge da tsarin ajiya, ana zubar da rigar sludge zuwa tsarin bushewa na fim na bakin ciki, sa'an nan kuma an rage yawan danshi zuwa 30% (daidaitaccen kewayon 20% ~ 30%) bayan tsarin bushewa. Busassun sludge da aka samar ana jigilar su ne ta manyan motocin da ke rufe zuwa tashar wutar lantarki ta Shanghai Waigaoqiao No. 2 ko tashar wutar lantarki ta 3 don hada wuta da gawayi.

Wannan adadi shine zane-zanen tsarin bushewar sludge na aikin gyaran ɓangarorin da aikin fadada zubar da ruwa a yankin Zhuyuan. Bayan an auna nauyin sludge ɗin ta hanyar auna nauyi, za a zubar da jikakken sludge a cikin kwandon karɓa na ƙasa, sa'an nan kuma a kai shi zuwa jigon ajiyar sludge ta hanyar tsarin famfo. Sa'an nan kuma ana jigilar rigar sludge zuwa na'urar bushewar fim na bakin ciki ta hanyar zazzagewa da famfo. Rigar rigar ta shiga cikin na'urar bushewar fim na bakin ciki don mataki na farko na bushewa, kuma busassun sludge ya fada cikin injin bushewa na layi ta hanyar chute. Busasshen sludge yana ƙara bushewa a cikin injin bushewa na layi. Abubuwan da ke cikin sludge za a iya cika su da sauri a cikin kewayon 20% -33% ta hanyar daidaita matsa lamba a cikin injin bushewa. Bayan mataki na biyu na bushewa, sludge yana shiga cikin dunƙule mai sanyaya don sanyaya, sannan a kai shi zuwa busassun sludge silo don ajiya na ɗan lokaci ta hanyar bawul ɗin saukewa da scraper.

Gas mai fitar da wutsiya da injin bushewa da kansa ke samarwa yana motsawa a baya tare da sludge, kuma akwatin shaye-shaye da ke sama da injin bushewa da kansa ya shiga tsarin iskar gas na wutsiya na gaba. Ana fesa iskar gas ɗin wutsiya mai ƙura a cikin na'urar, kuma iskar da ba ta da ƙarfi ta shiga cikin na baya. Bayan rabuwar droplet a cikin defogger, ana fitar da iskar wutsiya ta ƙarshe daga tsarin bushewa ta hanyar fan kuma shigar da tsarin maganin wari don magani. Yanayin injiniyan jama'a da aka yi amfani da shi a cikin tsarin bushewar fim na bakin ciki a kwance sun haɗa da cikakken tururi, matsakaicin ruwa, iska na kayan aiki, ruwan sanyaya mai yawo da ruwa mai daɗi. Turi da ake amfani da shi a cikin tsarin bushewa ya fito ne daga tashar wutar lantarki kuma an rarraba shi zuwa layin samar da 10 ta hanyar ƙananan silinda. Ana amfani da tsarin bushewa tare da tsarin iska don samar da iska na kayan aiki, ana amfani da tsarin farfadowa na condensate don dawo da ƙwayar tururi na na'urar bushewa, kuma tsarin ruwa mai sanyaya ruwa yana ba da ruwa mai sanyaya ruwa don tsarin. Ruwan sharar da na’urar bushewa ke samarwa shi ne ruwan feshi musamman bayan wanke iskar gas din wutsiya da matsakaitan ruwan feshin ruwa, kuma za a mayar da wannan bangare na najasa zuwa wurin kula da najasa domin yi masa magani. Gas mai shayewa yana shiga tsarin kula da wari don kulawa ta tsakiya. Bayan bushewa, za a aika da sludge zuwa Waigaoqiao Power Plant don hada ƙonawa da gawayi. Tsarin busar da sludge na aikin ba da rarrabuwa na yankin Zhuyuan ya yi nasarar cimma nasarar tantance aikin a watan Agustan shekarar 2020. Lokacin gudanar da aikin na shekara-shekara zai iya kai sa'o'i 8000, kuma karfin jiyya na sludge na shekara-shekara zai iya kai fiye da tan 400,000. Kammala aikin da gudanar da aikin zai magance matsalar magudanar ruwa a yankin Zhuyuan, da kuma taimakawa tattalin arzikin Shanghai wajen samun ci gaba mai dorewa. Zai iya ba da tunani don kula da sludge na gida da ayyukan zubar da wutar lantarki tare da haɗin gwiwar wutar lantarki.

Takaitawa

1) Tsarin bushewa na fim na bakin ciki na kwance yana da kyakkyawan iska, zai iya cimma matsananciyar kulawar abun ciki na oxygen, kuma yana da babban aminci. Babu wani hatsarin aminci da ya faru a cikin tarihin aikace-aikacen sama da shekaru 30, kuma yana ɗaya daga cikin mafi aminci tsarin bushewa a fagen bushewar sludge a yau.

2) A cikin aikin hada-hadar sludge da harbe-harbe na samar da wutar lantarki, sarrafa nau'in busassun busassun da abun ciki na danshi yana da matukar mahimmanci, wanda zai shafi aikin tsarin ƙonawa na gaba na tsarin bushewa. A daya hannun, kwance bakin ciki Layer bushewa matakai biyu na iya samar da granular kayayyakin tare da uniform barbashi size da kuma babu kura, da kuma a daya hannun, shi zai iya sauri gane daidaita da danshi abun ciki ta canza tururi matsa lamba da kuma gudun na biyu-mataki mikakke bushewa inji. Kyakkyawan kula da siffar da danshi na busassun sludge zai iya tabbatar da kwanciyar hankali na dukan tsarin.

3) A kwance bakin ciki Layer bushewa biyu-mataki sludge bushewa hadin gwiwa zubar shi ne ci gaban Trend na birni sludge jiyya da zubar, wanda yana da fili abũbuwan amfãni a cikin aminci, kwanciyar hankali, AMINCI, ci-gaba da sauran al'amurran. Aikace-aikace na kwance bakin ciki fim bushewa mataki biyu tsari a cikin hadin gwiwa zubar da sludge ne a kimiyya da m zabi ga na birni sludge jiyya da zubar a yau.