
Ọgwụgwọ ihicha sludge:
Ngwa ọnọdụ na ikpe analysis nke kehoraizin mkpa film ihicha abụọ-ogbo usoro na sludge agwakọta firing ike ọgbọ ubi
Isiokwu a na-ewebata usoro abụọ nke kehoraizin mkpa film sludge ihicha igwe n'ụzọ zuru ezu, na-enyocha sludge ọgwụgwọ, mkpofu mgbasa oru ngo na bamboo Park dị ka ihe atụ. Igwe na-ehicha ihe nkiri kwụ ọtọ nwere nnukwu ikike nhazi otu, nchekwa dị elu, akara dị mma, obere ikuku iyuzucha, yana ebe ogbako enyi na enyi. Dabere na uru nke kehoraizin mkpa film ihicha akụrụngwa abụọ-ogbo usoro na nchekwa, mgbanwe, aku na uba na akụkụ ndị ọzọ, nke a sludge ihicha usoro bụ ihe ọzọ etinyere na ubi nke sludge Ịgwakọta na igba egbe ike ọgbọ, na ike ga-eji dị ka otu n'ime ndị họọrọ usoro maka sludge ọgwụgwọ na mkpofu oru na ike osisi. Site na mmepe ngwa ngwa nke obodo ahụ, ọnụ ọgụgụ nsị na-aga n'ihu na-abawanye, ọganihu nke ịkwalite ụlọ ọrụ mmiri na-ekpo ọkụ na-aga n'ihu, na-eme ka mmụba dị ukwuu na mmepụta sludge. Ka ọ na-erule njedebe nke afọ 2016, ọnụ ọgụgụ ọgwụgwọ mmiri nke China erutela 150 nde m/d, na ngụkọta ego sludge fọrọ nke nta ka ọ bụrụ nde tọn 30. A na-eme atụmatụ na mmepụta sludge nke China ga-agafe nde tọn 60 site na 2020 dabere na ọdịnaya mmiri 80%. Ihe sludge a na-emepụta na nchịkọta na usoro ọgwụgwọ nke nsị obodo nwere ike ịnwe ọla dị arọ, ọrịa nje, nje, microorganisms na ọnụ ọgụgụ dị ukwuu nke ihe ndị na-egbu egbu. Ọ bụrụ na agwọghị ya nke ọma ma tụfuo ya, ọ ga-ebute ajọ mmetọ nke abụọ na gburugburu ebe a na-agbapụta ma na-eyi ahụike mmadụ egwu. Nsogbu nke ọgwụgwọ sludge na mkpofu aghọwo nsogbu gburugburu ebe obibi a ma ama n'okpuru ọnọdụ dị ugbu a. Ka ọ dị ugbu a, usoro ọgwụgwọ sludge bụ isi na-agụnye itinye uche, nhazi, akpịrị ịkpọ nkụ, ihicha, wdg, karịsịa ntinye uche, nhazi na akpịrị ịkpọ nkụ, ọnụ ọgụgụ ihicha ka na-adị ala. Ntufu sludge na-ezo aka na njedebe ikpeazụ nke sludge mgbe ọgwụgwọ gasịrị. Ka ọ dị ugbu a, ụzọ isi eji ekpofu sludge gụnyere mkpofu idebe ihe ọcha, iji ala eme ihe, itinye ihe eji ewu ụlọ mgbe emechara ya ọkụ, wdg, n'ime ebe mkpofu ahịhịa bụ usoro a na-ejikarị eme ihe. N'aka nke ọzọ, n'ihi ụkpụrụ na-esiwanye ike na oke ala dị n'aka nke ọzọ, ọgwụgwọ na mkpofu nke ihicha na ọkụ na-aghọwanye ihe.
Kehoraizin mkpa ihe nkiri sludge ihicha abụọ-ogbo usorosludge ihicha bụ usoro na-eji ike okpomọkụ ma ọ bụ ụlọ ọrụ mkpofu okpomọkụ na ikpofu okpomọkụ na-emepụta site na ọkụ fossil mmanụ ọkụ na-agbapụta ngwa ngwa mmiri na sludge site na nkà na ụzụ pụrụ iche na akụrụngwa. Ngwunye sludge na-ewepụ mmiri dị na sludge, ka o wee nweta nzube nke ihicha sludge, ibelata olu nke sludge, meziwanye caloric nke sludge, na n'otu oge na-achọpụta mbelata na nkwụsi ike nke sludge. Kehoraizin mkpa film sludge ihicha abụọ-ogbo usoro bụ otu n'ime mainstream Filiks nke nnukwu-ọnụ ọgụgụ sludge ihicha oru ngo ugbu a, nke bụ ihe na-apụtachaghị ìhè kpo oku usoro iji jujuru uzuoku ma ọ bụ okpomọkụ conduction mmanụ dị ka okpomọkụ ọkara.
akụrụngwa isi
The isi akụrụngwa nke kehoraizin mkpa film sludge ihicha abụọ-ogbo usoro bụ kehoraizin mkpa film ihicha igwe. Ngwaahịa gburugburu ebe obibi metụtara Xinjieyuan Environmental Protection Technology Co., Ltd gụnyere petrochemical, ọgwụ, nri, gburugburu ebe obibi na ike ubi. The Xinjieyuan Company nwere zuru ezu ngwaahịa nnyocha na mmepe center na ule isi. The ụlọ ọrụ bụ a ụwa ndú na thermal nkewa ngwọta maka refractory agwakọta ihe na mkpa film evaporation technology, nakwa dị ka onye ndú na mmepe na mmepụta nke ngwá maka ihicha elu viscosity ihe.

Ọnụ ọgụgụ na-egosi ihe owuwu eserese nke kehoraizin mkpa ihe nkiri ihicha igwe. Igwe ihicha ihe nkiri kwụ ọtọ bụ akụkụ atọ mejupụtara: shei, rotor na agụba, na ngwaọrụ ịnya ụgbọ ala. Shei bụ arịa nrụgide, na jaket shei nwere ike jupụta na uzuoku juru eju ma ọ bụ mmanụ na-eduzi okpomọkụ dị ka usoro ikpo ọkụ nke sludge ihicha. Ngwa ahụ bụ igwe ọkụ ọkụ na-eguzogide okpomọkụ dị elu nke ọkọlọtọ Europe. Mgbidi dị n'ime bụ akụkụ na-enye okpomọkụ na kọntaktị na sludge, na-enye ebe mgbanwe okpomọkụ isi na onye na-ebu oyi akwa nke sludge. Nguzogide corrosion na iyi mkpuchi dị mma karịa ihe ndị ọzọ; The rotor bụ integral oghere oghere, na ya pụrụ iche na nkà na ụzụ nhazi nwere ike hụ na rotor adịghị emepụta deflection mgbe a na-ekpo ọkụ ma na-atụgharị na elu na-agba, na anya n'etiti mpụta nsọtụ nke agụba na n'ime mgbidi na-mgbe niile na-edobe na 5-10mm. N'okpuru ntụgharị nke rotor na mkpuchi nke agụba, sludge na-abanye n'ime ọkpọ ahụ ga-eme ka oyi akwa siri ike dị na mgbidi dị n'ime ya, na-emelitekwa sludge dị mkpa mgbe niile. Ọ na-aga n'ihu na-akpọnwụ ka ọ na-aga n'ihu n'ọnụ ụzọ ahụ.

Usoro eruba
Mgbe decanter centrifuge dewatering, a na-ebuga sludge mmiri nwere mmiri ọdịnaya nke 80%-85% gaa na sludge mmiri mmiri site na njem ụgbọ ala ma ọ bụ pipeline. A na-enye silo ahụ ihe eji amị amị iji gbochie sludge iwulite Bridges, na ala na-enye mkpọsa mbupu na mgbapụta mmiri sludge.
Igwe mmiri na-ebufe mmiri mmiri na-ebufe sludge ahụ n'ọnụ ụzọ nke igwe ihe nkiri dị mkpa, na sludge na-abanye na igwe ihe nkiri dị mkpa na-ekpuchi n'elu mgbidi dị ọkụ site na agụba na rotor. Ọ bụghị nanị na agụba na-atụgharị ugboro ugboro ma na-agwakọta sludge n'elu mgbidi dị ọkụ, ma na-akwaga ya n'ihu na ntinye apịtị. N'ime usoro a, mmiri dị na sludge na-ekpo ọkụ ma na-ekpochapụ n'ime uzuoku mmiri, nke na-agagharị n'ụzọ dị iche iche na sludge n'ime igwe ihicha ma na-abanye n'ime ikuku gas condensation usoro site na ikpochapu tank n'elu sludge nri ọdụ ụgbọ mmiri.

Mgbe ikuku ikuku na-emepụta n'ime igwe na-ehicha ihe nkiri dị mkpa na-abanye na usoro condensation site na igbe iyuzucha, ọ na-ebu ụzọ abanye na condenser. Na condenser, mmiri na-asachapụ uzuoku uzuzu, na mmiri na-condensed si evaporation ọdụ gas. A na-ewepụ obere gas na-adịghị ekpo ọkụ (ihe na-agbanwe agbanwe na ikuku na sludge) site na usoro ihicha site na onye na-ekpocha ọkụ mgbe nkewa nke droplet site na ngwaọrụ na-ekpochapụ ma na-edozi ya na usoro deodorization ma ọ bụ ọkụ ọkụ. Ọnụ ọgụgụ nke gas na-ekpochapụ site na usoro ikpocha onwe ya dị ntakịrị, naanị 5% -10% nke mmiri evaporation nke usoro ahụ. Igwe ikuku na-ekpocha ọkụ na-eme ka usoro ikpocha ahụ dum na-eme ka ọ bụrụ ọnọdụ nrụgide na-adịghị mma iji zere oke isi na uzuzu.
Sludge a mịrị amị nke nwere 30%-40% mmiri ọdịnaya nke emepụtara site na igwe na-ehicha ihe nkiri dị mkpa na-aga n'ihu akpọnwụọ n'igwe na-ehicha linear na-esote, na obere mmiri nwere ike akpọnwụ ruo 5%. Mgbe a na-echekwa sludge akọrọ ahụ nwa oge, a na-edozi igwe nju oyi. The sludge mgbe ihicha site linear draya na-na mbụ mma, na okpomọkụ nke sludge na-ebelata n'okpuru 50 ℃ iji melite nchekwa na igbochi sludge si smoldering ma ọ bụ na mberede combustion. Mgbe ahụ, a na-eziga ya na silo sludge akọrọ maka nchekwa site na valvụ mwụpụ na ebufe scraper n'aka nke ya. Mgbe ejikọtara usoro ọkụ na-esote, usoro ihicha nwere ike jikọta ya na usoro ọkụ ọkụ n'usoro site na ngwa mbufe. The abụọ-ogbo kehoraizin mkpa film ihicha usoro nwere ike nweta chọrọ nke onwe-inertification na usoro site evaporating mmiri na sludge. N'ihe banyere mmalite na ihe mberede, a na-eji uzuoku dị ala, mmiri dị ọcha ma ọ bụ gas nitrogen mee ihe dị ka ihe nkwụsị nke usoro ihicha. A na-edobe ihe nyocha nke ikuku oxygen na mpụta nke tankị iyuzucha, na arụ ọrụ dị mma ma kwụsie ike nke usoro ihicha sludge nwere ike imezu site na ịchịkwa ọdịnaya oxygen na usoro ihicha.
Uru nke usoro
1) Nchekwa: ezigbo ikuku nke usoro ihicha ihe nkiri dị mkpa, na-ejigide nrụgide micro na-adịghị mma nke -0.5 ruo -1kPa, enweghị isi na uzuzu na-ejupụta; Usoro ahụ nwere ike ịbụ onye na-enweghị onwe ya ma debe ụzọ dị iche iche nke inert, ikuku oxygen na ọrụ obodo na-achịkwa n'okpuru 5%; Okpomọkụ sludge ihicha na mpụta nke igwe nkụ nwere ike iru 100 ℃, nke nwere ike rụọ ọrụ nke ịmụ nwa na izute EPA503 ọkọlọtọ nke koodu mkpofu sludge nke US Environmental Protection Agency. Enweghị nsogbu nchekwa na akụkọ ihe mere eme ngwa. 2) Nkwụsi ike: na sludge na coal coal coal incineration project, mgbe mmiri mmiri nke sludge na-abanye n'ime ọkụ ọkụ nke ọkụ ọkụ dị ukwuu, ọ dị mfe inwe mmetụta na-adịghị mma na ngwa ọkụ ọkụ, nke nwere ike iduga mmebi akụrụngwa dị njọ. Nke mbụ, a na-asacha mgbidi dị n'ime ọkụ ahụ ma na-eyi ya nke ọma, nke abụọ dị mfe na-eduga na nkwụsị nke usoro nnyefe, na-akpata nkwụsị nke ọkụ ọkụ. Usoro nke abụọ nke ihe nkiri sludge dị mkpa nwere obere mmiri mmiri, ma nwee ike ime mgbanwe ngwa ngwa nke ọdịnaya mmiri sludge n'etiti 20% -33% site n'ịgbanwe nrụgide uzuoku na igwe ihicha. E jiri ya tụnyere usoro ndị ọzọ, ọ nwere uru doro anya ma na-arụ ọrụ dị mma n'ịkwado nkwụsi ike nke akụrụngwa ọkụ ọkụ na ọrụ grid ike.
3) Dị mfe: ịdị n'otu na granulation nke ngwaahịa sludge nwere ike ịkwalite nkwụsi ike nke ọrụ ọkụ ọkụ ọkụ ọkụ. Ndị ọzọ na usoro mkpa dịkwuo nzọpịa ma ọ bụ granulation akụrụngwa, mgbe mkpa film draya nwere ike onwe-granulation, ngwaahịa bụ edo granulation sludge, na-enweghị ọzọ granulation akụrụngwa; Ọnụ ọgụgụ dị nta nke ngwa inyeaka, obere akara ụkwụ, ọrụ dị mfe na njikwa; Enweghị mgbasa ozi na-ebu gas, enweghị sludge azụ ịgwakọta; Dị ka "Pressure Vessel Regulations" dị iche iche nke ihicha igwe mkpa ka mepụta oge n'ime mgbidi nnyocha, mkpa film ihicha igwe mmezi na-enweghị ndị ọzọ na-ebuli ngwá, adaba na oru oma mmezi.
4) Na-agbanwe agbanwe: ngwa ngwa dịgasị iche iche, nke kwesịrị ekwesị maka ụdị sludge dị iche iche, nwere ike ịnakwere n'ime mmiri mmiri nke 65% -90% mmiri sludge; Usoro nke abụọ nwere ike ịmepụta ngwaahịa ọ bụla nwere ọdịnaya siri ike edo edo. Malite, nkwụsị na oge mkpofu dị mkpụmkpụ, ọ dịghịkwa ọrụ nhicha ọ bụla achọrọ ịmalite ọzọ. 5) Economy: elu evaporation arụmọrụ. Na sludge co-incineration oru ngo, uzuoku nke ike osisi nwere ike iji ozugbo dị ka okpomọkụ okpomọkụ. Mmiri evaporation kwa square mita nke ihicha oyi akwa nwere ike iru karịa 45kg kwa elekere. Enwere ike ijikọ ọrụ ime obodo na usoro ndị ọzọ (dịka usoro nri nri), nwere ike nweta ihe karịrị 80% arụmọrụ dị elu nke mgbake ọkụ ọkụ; Ọnụ ego mmezi dị ala, naanị otu nyocha kwa afọ nke ụbọchị 5-10 kwa afọ; Isi dị ntakịrị, ọnụ ahịa ọgwụgwọ dị ala; Njikwa akpaka zuru oke, chọrọ nleba anya dị ala.

Ikpe ọmụmụ nke kehoraizin mkpa film sludge ihicha abụọ-ogbo usoro na sludge agwakọta firing ike ọgbọ ubi ubi.
Ihe ọrụ ọrụ nke sludge ọgwụgwọ na mkpofu mkpofu oru ngo nke Shanghai Zhuyuan Area bụ dewatered sludge eme site n'ịgwọ nsị nke mbụ na nke abụọ Zhuyuan sewage ọgwụgwọ osisi kwalite na effluent ọkọlọtọ nke Grade A na 2.2 nde m / d nsị ọgwụgwọ mgbe emechara nke ọhụrụ nkwalite na mgbakwunye oru ngo. Ọnụ ọgụgụ ihe owuwu nke ọrụ a bụ 223tDS/d, nke kwekọrọ na sludge olu nke 80% mmiri ọdịnaya 1115t/d. Nhazi ụlọ ọrụ ahụ na-atụle ọnọdụ mmezi nke eriri ọkụ ọkụ nke akụkụ mbụ nke ọrụ ahụ, na ọnụ ọgụgụ ọgwụgwọ kachasị elu nke ọrụ ahụ bụ 288.5tDS / d, kwekọrọ na sludge olu nke 80% mmiri ọdịnaya 1442.5t / d. The sludge ọgwụgwọ usoro ụzọ adopts mkpa oyi akwa ihicha ụzọ abụọ ogbo + ike osisi ịgwakọta na igba egbe usoro. A na-ebufe sludge mmiri gbazere nke nwere 80% mmiri dị n'ime ebe a na-edozi sludge site na gwongworo mkpọfu. Mgbe sludge na-anata na nchekwa nchekwa, a na-agbanye mmiri mmiri na-agbanye na usoro ihicha ihe nkiri na-egbuke egbuke, mgbe ahụ, a na-ebelata nkezi mmiri ọdịnaya ruo 30% (nke a na-agbanwe agbanwe nke 20% ~ 30%) mgbe usoro ọgwụgwọ ihicha gasịrị. A na-ebufe sludge akọrọ a na-emepụta site na gwongworo mechiri emechi na Shanghai Waigaoqiao No. 2 Power Plant ma ọ bụ Nke 3 Ike osisi maka co-incineration na coal.

Ọnụọgụ a bụ eserese sistemụ sludge ihicha nke ọrụ ịgbasa sludge na mkpofu mkpofu na mpaghara Zhuyuan. Mgbe gwongworo sludge jiri tụọ ihe dị arọ, a na-atụba sludge mmiri ahụ n'ime ebe a na-anata ihe n'okpuru ala, wee bufee ya na ebe nchekwa sludge dị mmiri site na usoro mgbapụta plunger. Mgbe ahụ, a na-ebufe sludge mmiri ahụ gaa na igwe na-ehicha ihe nkiri dị gịrịgịrị site na ịghasa mbupu na mgbapụta mgbapụta. Mmiri mmiri na-abanye n'ime igwe ihicha ihe nkiri dị mkpa maka ọkwa mbụ nke ihicha, na sludge a mịrị amị na-adaba n'ime igwe ihicha linear site na chute. A na-akpọkwa sludge a mịrị amị n'ime igwe ihicha linear. Enwere ike ịmecha ihe dị n'ime mmiri nke sludge ngwa ngwa n'ogo nke 20% -33% site n'ịgbanwe nrụgide uzuoku na igwe ihicha. Mgbe nkeji nke abụọ nke ihicha, sludge na-abanye na nkedo jụrụ oyi maka ịdị jụụ, wee bufee ya na sludge silo akọrọ maka nchekwa nwa oge site na valvụ na-ebupụ na scraper.
Igwe ikuku na-ekpo ọkụ na-emepụta site na igwe na-ehicha onwe ya na-aga n'ihu na sludge, na igbe iyuzucha n'elu igwe na-ehicha onwe ya na-abanye na usoro ikuku gas na-esote. A na-efesa gas ọdụ na-ekpo ọkụ na-ekpo ọkụ na condenser na condenser, na gas na-adịghị emepụta ihe na-abanye na defogger na-esote. Mgbe nkewa nke droplet na defogger, a na-ahapụ gas ọdụ ikpeazụ site na usoro ihicha site na fan ma banye na usoro ọgwụgwọ isi maka ọgwụgwọ. Ọnọdụ injinia nke ọha na-eji na sistemụ ihicha ihe nkiri kwụ ọtọ na-agụnye uzuoku juru eju, mmiri ọkara, ikuku akụrụngwa, mmiri jụrụ oyi na mmiri ọhụrụ. Uzuoku a na-eji na usoro ihicha na-abịa site na ọkụ ọkụ na-ekesa na 10 mmepụta ahịrị site na sub-cylinders. A na-eji usoro ihicha ihe na-eme ka ikuku ikuku na-enye ikuku ngwá ọrụ, a na-eji usoro mgbake condensate na-enwetaghachi ikuku ikuku nke igwe ihicha, na usoro mmiri jụrụ oyi na-eme ka mmiri dị jụụ na-ekesa maka usoro ahụ. Mmiri mkpofu nke usoro ihicha na-emepụta bụ mmiri na-efe efe mgbe ejiri mmiri mmiri na-asachapụ ikuku ọdụ gas, a ga-eweghachikwa akụkụ a nke nsị n'ebe a na-edozi nsị maka ọgwụgwọ. The iyuzucha gas na-abanye n'ime usoro ọgwụgwọ isi maka ọgwụgwọ etiti. Mgbe akpọchara, a na-eziga sludge ahụ na Waigaoqiao Power Plant maka ijikọ coal ọkụ. The sludge ihicha usoro nke sludge ọgwụgwọ na mkpofu mkpofu oru ngo nke Zhuyuan Area ịga nke ọma arụmọrụ ntule na August 2020. The kwa afọ na-agba ọsọ oge nke oru ngo nwere ike iru 8000h, na kwa afọ ọgwụgwọ sludge ike iru ihe karịrị 400,000 ton. The ẹkụre na ọrụ nke oru ngo ga- fundamentally dozie nsogbu nke sludge tinyekwa na Zhuyuan Area, na-enyere Shanghai si aku na uba iji nweta adigide mmepe. Ọ nwere ike inye ntụaka maka ọgwụgwọ sludge ụlọ na ọrụ mkpofu ya na ijikọ ọkụ ọkụ ụlọ ọrụ ọkụ.
Nchịkọta
1) Sistemụ ihicha ihe nkiri kwụ ọtọ nwere ezigbo ikuku, nwere ike nweta njikwa ọdịnaya oxygen siri ike, ma nwee nchekwa dị elu. Ọ dịghị ihe mberede nchekwa mere na ngwa ngwa ihe karịrị 30 afọ, na ọ bụ otu n'ime ndị kasị mma ihicha usoro na ubi nke sludge ihicha taa.
2) N'ime sludge mixing and firing power generation, njikwa nke ụdị sludge akọrọ na ọdịnaya mmiri dị oke egwu, nke ga-emetụta ọrụ nke usoro ọkụ ọkụ na-esote nke usoro ihicha. N'otu aka ahụ, kehoraizin mkpa oyi akwa ihicha abụọ-ogbo usoro nwere ike igbanye granular ngwaahịa na edo urughuru size na ọ dịghị ájá, na n'aka nke ọzọ, ọ pụrụ ngwa ngwa na-aghọta ukpụhọde nke mmiri ọdịnaya site na-agbanwe uzuoku mgbali na ọsọ nke abụọ-ogbo linear ihicha igwe. Njikwa dị mma nke ọdịdị na mmiri mmiri nke sludge akọrọ nwere ike hụ na arụ ọrụ siri ike nke usoro dum.
3) Kehoraizin mkpa oyi akwa ihicha abụọ-ogbo sludge ihicha nkwado mkpofu bụ mmepe omume nke ọchịchị sludge ọgwụgwọ na mkpofu, nke nwere doro anya uru na nchekwa, kwụsie ike, ntụkwasị obi, elu na akụkụ ndị ọzọ. Ngwa nke kehoraizin mkpa film ihicha abụọ-ogbo usoro na nkwado mkpofu nke sludge bụ sayensị na ezi uche nhọrọ maka ọchịchị sludge ọgwụgwọ na mkpofu taa.