Haus kua txiv hmab txiv ntoo pov tseg kev kho dej
Kev lag luam thoob ntiaj teb cov dej haus loj tau mus txog 1.6 trillion US las los ntawm 2025, thiab xav tias yuav loj hlob mus rau 2.2 trillion US las los ntawm 2030. Ntawm lawv, cov kua txiv hmab txiv ntoo yog ib qho tseem ceeb subcategory, nrog rau kev lag luam loj ntawm kwv yees li 152 billion US dollars nyob rau hauv 2023, thiab yuav tsum tsis tu ncua nthuav nyob rau hauv ib lub xyoo ntawm 5% ib xyoo tom ntej.
Kev lag luam dej haus thoob ntiaj teb yog nyob rau lub sijhawm ntawm kev hloov pauv, nrog rau kev noj qab haus huv, kev ua haujlwm, thiab kev ruaj khov los ua qhov tseem ceeb ntawm kev tsav tsheb. Txawm hais tias cov dej haus carbonated tseem suav txog qhov feem ntau (kwv yees li 240 billion US las hauv 2024), lawv txoj kev loj hlob tau qeeb, thaum qab zib -dawb, ua haujlwm, cog-raws li, thiab cov khoom siv kua txiv hmab txiv ntoo ua kom lawv nce siab. Cov kua txiv hmab txiv ntoo, nrog rau lawv cov "natural" thiab "kev noj qab haus huv", qhia tias muaj peev xwm loj hlob ruaj khov hauv cov ntsiab lus ntawm kev paub txog kev noj qab haus huv ntawm cov neeg siv khoom.
1. Txheej txheem cej luam ntawm cov neeg siv khoom rau kev haus dej haus kev kho cov dej khib nyiab
Thaum lub sij hawm tsim cov kua txiv hmab txiv ntoo, ntau qhov ntau ntawm - cov dej khib nyiab organic yog tsim tawm, feem ntau yog los ntawm kev tu txiv hmab txiv ntoo, crushing thiab juicing, ntxuav lub raj mis, cov cuab yeej tu, thiab ntxuav hauv av. Hom dej no nplua nuj nyob rau hauv cov organic teeb meem, tshem tawm cov khib nyiab, ammonia nitrogen, thiab phosphorus, muaj kuab paug siab concentration thiab zoo biodegradability tab sis nyuaj kho. Yog tias tsis kho kom raug thiab tso tawm ncaj qha, nws yuav ua rau lub cev tsis zoo thiab ua rau eutrophication. Yog li ntawd, lub teb chaws thoob plaws ntiaj teb xav kom cov tuam txhab tsim lossis txhim kho cov chaw kho dej khib nyiab, uas tau ua rau muaj kev xav tau loj rau cov kev pabcuam tshaj lij.
Jinan Guangbo Environmental Protection tau kho "ua ntej-kev kho + anaerobic + aerobic + sib sib zog nqus decolorization" txheej txheem kev sib xyaw ua ke rau cov suab thaj siab, siab COD, thiab cov xim siab ntawm cov kua txiv hmab txiv ntoo, uas tuaj yeem txo cov suab thaj zoo -raws li cov organic tshuaj thiab tshem tawm cov xim xim, ua tiav rau kev ruaj khov thiab ua tau raws li 5. Nws tus kheej- tau tsim cov sedimentation tank thiab modular reactor txo cov kev siv av, txo cov voj voog kev teeb tsa, thiab hloov mus rau lub caij nyoog tsim khoom hloov pauv ntawm cov kua txiv hmab txiv ntoo. Nyob rau tib lub sijhawm, nws sib koom ua ke biogas rov qab thiab sludge chiv tsim cov peev txheej siv cov txheej txheem, ua kom muaj txiaj ntsig kev kho mob thaum txo cov nqi lag luam, tsim "ua raws li kev tso tawm + peev txheej rov ua dua" dual kev sib tw kom zoo dua.
Cov duab ntawm kev tsim cov dej haus thiab kua txiv hmab txiv ntoo
II. Kev kho dej khib nyiab rau kev haus dej haus thiab kua txiv hmab txiv ntoo
Cov dej khib nyiab
Thaum lub sij hawm tsim cov dej haus, tshwj xeeb tshaj yog cov kua txiv hmab txiv ntoo, cov dej ntau yog siv los ntxuav cov khoom siv raw, tshuaj tua kab mob, cov khoom sib tov, thiab lwm yam. Cov haujlwm no inevitably tsim cov dej khib nyiab ntau. Yog tias nws tsis kho kom raug thiab tso tawm ncaj qha, nws yuav ua rau lub nra hnyav rau hauv dej ecosystem. Yog li ntawd, kev txheeb xyuas qhov chaw ntawm cov dej khib nyiab yog qhov yuav tsum tau ua ua ntej rau kev tsim cov phiaj xwm kev kho mob.
1. Cov dej khib nyiab los ntawm kev ntxuav txiv hmab txiv ntoo: Hauv thawj theem ntawm kev tsim cov kua txiv hmab txiv ntoo, cov txiv hmab txiv ntoo tshiab lossis cov tub yees yuav tsum tau ntxuav ntau zaus kom tshem tawm cov av hauv av, cov tshuaj tua kab, thiab cov txiv hmab txiv ntoo tev cov khib nyiab. Cov txheej txheem no tsim cov dej khib nyiab loj uas muaj cov fibers, pectin, qab zib, thiab cov khib nyiab tshem tawm, uas yog ib qho tseem ceeb ntawm cov pa phem.
2. Cov dej khib nyiab los ntawm cov txheej txheem crushing thiab juicing: Tom qab cov txiv hmab txiv ntoo raug crushed, pulped, thiab nias, ib co kua txiv nchuav los yog tseem nyob rau hauv cov khoom, thaum txiv hmab txiv ntoo residues, pits, thiab lwm yam khoom pov tseg kuj nqa kua txiv thiab nkag mus rau hauv lub kua. Cov dej khib nyiab no muaj ntau cov fructose, qabzib, sucrose, thiab cov organic acids (xws li malic acid, citric acid), ua rau muaj kev nce ntxiv hauv cov tshuaj oxygen xav tau (COD), txog li kaum txhiab mg / L.
3. Cov dej khib nyiab los ntawm lub raj mis ntxuav thiab ua kom tsis muaj menyuam hauv cov kaus poom: Ua ntej sau, lub raj mis yuav tsum tau ua kom tsis muaj menyuam los ntawm qhov kub ntawm - qhov kub thiab txias los yog ntxuav nrog cov tshuaj tua kab mob, tom qab ntawd yaug nrog dej huv. Cov txheej txheem no tsis yog tsuas yog muaj cov dej ntau xwb tab sis kuj tseem tuaj yeem muaj cov tshuaj tua kab mob alkaline, tshuaj tua kab mob los ntawm - cov khoom (xws li peracetic acid), thiab cov kua qab zib, nthuav tawm cov yam ntxwv tsis sib xws uas cuam tshuam rau tag nrho cov dej zoo.
4. Lub sijhawm yaug cov dej khib nyiab ntawm cov cuab yeej tsim khoom thiab cov kav dej: Thaum lub sij hawm txhua batch ntawm kev hloov khoom lossis kev tu cov cuab yeej, cov reactors, conveying pipelines, twj, li qub, thiab lwm yam yuav tsum tau ntxuav kom huv si. Xws li cov dej khib nyiab feem ntau yog tso tawm hauv qhov muaj zog, ua rau muaj kev cuam tshuam loj heev hauv lub sijhawm luv luv. Nws muaj cov kua txiv hmab txiv ntoo residual, flavorings, zaub mov additives, thiab ntxuav cov neeg ua hauj, nrog ib tug loj pH tus nqi hloov.
5. Cov dej ntws hauv pem teb hauv chav ua haujlwm: Tom qab tsim khoom, hauv pem teb raug ntxuav, thiab cov kua txiv hmab txiv ntoo tawg, cov khoom seem ntawm cov txiv hmab txiv ntoo, thiab cov plua plav tawm mus rau hauv cov kav dej. Txawm hais tias cov dej ntim ib leeg tsis loj, nws tseem muaj txiaj ntsig ntau ntawm cov khoom raug tshem tawm (SS) thiab cov organic load, tshwj xeeb tshaj yog nyob rau lub caij ntuj sov, qhov twg acidification thiab spoilage phenomena yog nquag tshwm sim.
6. Cov dej khib nyiab los ntawm cov concentration thiab condensation unit: Thaum lub sij hawm cov kua txiv concentration, cov evaporated condensate dej zoo nkaus li ntshiab tab sis yeej muaj volatile organic Cheebtsam thiab qis -molecular- hnyav suab thaj. Kev tshuaj xyuas qhia tau hais tias nws cov COD tuaj yeem ncav cuag 1000-1500 mg / L, ua rau nws yog "qhov chaw muaj kuab paug zais", uas feem ntau tsis saib xyuas tab sis yuav tsum tau suav nrog kev kho mob sib koom ua ke.
7. Cov dej phwj hauv tsev thiab cov dej ntws los ntawm lwm qhov chaw pabcuam: Cov dej siv los ntawm cov neeg ua haujlwm hauv lub hoobkas, suav nrog lub tsev noj mov, chav dej, thiab chav da dej, kuj tau muab tso rau hauv cov kav dej phwj tuaj. Cov dej zoo ntawm qhov no yog qhov ruaj khov, feem ntau muaj nitrogen, phosphorus as-ham, thiab roj, txawm hais tias cov concentration tsawg, nws tseem yuav tsum tau kho hauv kev sib koom tes kom tsis txhob muaj kev pheej hmoo ntawm eutrophication.
Kev sib piv ntawm cov duab qhia cov dej qias neeg thiab cov duab qhia cov dej kho
III. Cov txheej txheem ntws los kho cov dej khib nyiab los ntawm kev tsim cov kua txiv hmab txiv ntoo
Cov dej khib nyiab tsim tawm thaum lub sij hawm tsim cov kua txiv hmab txiv ntoo muaj cov yam ntxwv xws li cov ntsiab lus ntawm cov organic, ntau cov khib nyiab pov tseg, qhov hloov pauv loj hauv cov dej zoo thiab ntim, thiab tus nqi pH tsawg. Cov hauv paus ntsiab lus suav nrog kev tu txiv hmab txiv ntoo, kua txiv extraction, khoom siv tu, thiab cov kaus poom yaug, thiab lwm yam. Cov dej khib nyiab muaj ntau cov suab thaj, pectin, txiv hmab txiv ntoo residues, cellulose, thiab txiv hmab txiv ntoo acids, thiab lwm yam. Vim nws cov biodegradability zoo (nrog rau BOD / COD piv siab), nws yog qhov tsim nyog rau kev kho mob siv cov tshuaj lom neeg feem ntau.
Main processing flow modules
1. Pretreatment theem: Tshem tawm cov khoom loj thiab tswj cov dej zoo
Cov theem no yog txhawm rau txo lub nra ntawm kev kho mob lom tom ntej thiab tiv thaiv kev thaiv thiab kev poob siab.
Grate: cuam tshuam cov khib nyiab loj xws li txiv hmab txiv ntoo peels thiab pulp.
Kev sib npaug ntawm lub tank: Sib npaug dej zoo thiab ntim kom tsis txhob muaj kev hloov pauv los ntawm kev tsim khoom; qee lub tshuab kuj suav nrog kev ntxhov siab lossis ua ntej - aeration los tiv thaiv cov txiv hmab txiv ntoo los ntawm fermenting thiab lwj.
Coagulation sedimentation / aerobic dewatering: Ntxiv PAC thiab PAM ua kom zoo tshem tawm cov khib nyiab thiab pectin coagulate rau hauv flocs, uas tau muab cais los ntawm sedimentation lossis yaj huab cua flotation. Aerobic flotation yog tshwj xeeb tshaj yog haum rau tshem tawm lub teeb colloidal tshuaj.
2. theem kev kho mob lom neeg: Lub hauv paus rau degrading organic pollutants
Siv cov txheej txheem microbial metabolic kom decompose soluble organic teeb meem.
Cov theem kev kho mob lom neeg yog lub hauv paus ntawm kev kho dej khib nyiab, feem ntau yog siv cov thev naus laus zis kho mob xws li anaerobic biological reactors, aerobic activated sludge method, thiab biofilm txoj kev tshem tawm cov organic teeb meem, nitrogen, thiab phosphorus pollutants nyob rau hauv cov dej khib nyiab. Cov kauj ruam tshwj xeeb yog raws li nram no:
Anaerobic biological treatment: Includes upflow anaerobic sludge bed (UASB), anaerobic expanded bed (UASB), and internal circulation anaerobic fluidized bed (IC). Kev kho kab mob anaerobic tuaj yeem ua rau nce COD tshem tawm tus nqi, txo lub nra ntawm kev kho mob tom ntej, thiab tsim cov biogas.
Aerobic biological kev kho mob: Aerobic biological kho technologies muaj xws li activated sludge method thiab biofilm method. Cov txheej txheem activated sludge siv aeration los sib tov sludge thiab dej khib nyiab kom huv si, siv cov kab mob kom degrade organic teeb meem; Txoj kev biofilm siv cov kab mob ntawm cov kab mob biofilm kom degrade organic teeb meem. Kev kho mob aerobic tuaj yeem tshem tawm feem ntau cov organic teeb meem thiab nitrogen thiab phosphorus pollutants.
Hauv qhov tseeb engineering, "anaerobic + aerobic" cov txheej txheem ua ke feem ntau tau txais, uas yog ob qho tib si lub zog -txuag thiab ua kom ruaj khov thiab ua raws li cov dej ntws tawm.
3. Cov theem kev kho mob sib sib zog nqus: kom ntseeg tau cov dej ntws zoo
Ntxiv purify cov biochemical effluent kom tau raws li kev tso tawm lossis rov siv dua.
Secondary sedimentation tank: Ua tiav sludge- dej sib cais thiab xa rov qab cov sludge.
Aerobic biological filter (BAF): Muaj ob qho tib si lom neeg degradation thiab pom kev ua haujlwm, thiab tuaj yeem tshem tawm cov seem COD thiab ammonia nitrogen ntxiv.
Disinfection: Siv ultraviolet lossis ozone los tua cov kab mob kab mob, ua kom muaj kev huv thiab nyab xeeb.
Membrane kev kho mob (yeem): Xws li ultrafiltration thiab nanofiltration rau siab - zoo reclaimed dej, ua kom tau cov dej recycled.
Muaj peev xwm nruab nrog cov dej phwj tuaj kho dej ntws
Muaj dej khib nyiab → Bar tshuaj ntsuam tshuab → Sib npaug tank → Coagulation thiab flotation → Anaerobic biochemical kev kho mob → Aerobic biochemical kev kho → Advanced kho → Tshem tawm los yog rov qab siv dua
IV. Cov Kev Kawm Tshwj Xeeb ntawm Kev Kho Dej Pov Tseg rau Kev Haus Dej thiab Kev Ua Kua Dej
Guangdong Farmer Roob Caij Nplooj Ntoos Hlav HeYuan Dej Dej Kho Qhov project
Kev ntsuas dej phwj rau Guangdong Farmer Mountain Spring HeYuan Project yog raws li hauv qab no:
• Kev kho cov dej phwj cais: Siv cov txheej txheem "dej nag thiab dej phwj sib cais". Cov dej nag tau tso rau hauv cov kav dej nag xob nag cua hauv nroog; cov dej ua ntej cov membrane siv los ua cov dej ntshiab yog kho raws li cov dej phwj huv huv thiab tawm mus rau hauv lub nroog stormwater network. Cov dej khib nyiab ntau lawm yog kho los ntawm qhov chaw kho dej phwj uas tsim los ntawm peb lub tuam txhab Guangbo Environmental Protection Company, thiab cov dej phwj tuaj hauv tsev tau ua ntej - kho los ntawm peb - qib septic tanks.
• Cov qauv kev kho dej phwj tuaj: Cov dej khib nyiab uas kho tau yuav tsum ua tau raws li "Dej Pollutant Discharge Limits" (DB44/26-2001) ntawm lub sijhawm thib ob ntawm cov qauv Qib I hauv Guangdong Province, thiab tom qab ntawd muab tso rau hauv lub nroog cov kav dej phwj tuaj thiab kho ntxiv hauv nroog cov kav dej phwj tuaj. Cov dej phwj tuaj hauv tsev yog ua ntej-kho los ntawm peb theem septic tanks kom ua tau raws li "Dej Pollutant Discharge Limits" (DB44/26-2001) ntawm lub sijhawm thib ob ntawm Qib III cov qauv, thiab tom qab ntawd tawm mus rau hauv lub nroog cov dej phwj tuaj thiab thaum kawg nkag mus rau hauv nroog cov dej phwj tuaj kho rau hauv nruab nrab.
Qhov thib peb - tiam IC anaerobic reactor thiab kev txhawb nqa ntawm Tuam Tshoj Grain Sugar Industry Holding Co., Ltd.
I. Project Overview:
Lub Npe: Thib Peb Lub Neej IC Anaerobic Reactor thiab Kev Txhawb Txoj Haujlwm ntawm Tuam Tshoj Grain Sugar Industry Holding Co., Ltd.
II. Txoj Haujlwm Taw Qhia:
Tuam Tshoj Grain Tunhe Txiv lws suav Co., Ltd. yog ib lub koom haum ntawm Tuam Tshoj Grain Sugar Industry Holding Co., Ltd. Qhov kev koom tes no tsuas yog tsom mus rau kev kho cov dej khib nyiab tsim thaum lub sij hawm tsim cov txiv lws suav. Qhov project no yog qhov thib peb - tiam IC anaerobic reactor thiab txhawb nqa qhov project ntawm Tuam Tshoj Grain Sugar Industry Holding Co., Ltd. Qhov tsim kho muaj peev xwm ntawm qhov project no yog 4000 m³ / d (24-teev kev ua haujlwm tas mus li), nrog rau kev nce siab ntawm 3 m / h thiab ntim ntim ntawm 6.17 kg COD / (m / d).
III. Qhov zoo ntawm Guangbo Environmental Protection Technology:
Guangbo Environmental Protection tuaj yeem kho cov dej khib nyiab kom tau raws li tus qauv siv rov qab siv dua. Nws yog kev lag luam, yooj yim, thiab muaj cov yam ntxwv ntawm cov kev xav tau qis rau thawj cov dej zoo, cov txheej txheem kho yooj yim thiab cov khoom siv, kev ua haujlwm yooj yim, cov khoom siv me me, kev siv hluav taws xob tsawg, thiab kev ua haujlwm ruaj khov thiab kev kho mob.
IV. Taw qhia ntawm Guangbo Environmental Protection:
Guangbo Environmental Protection muaj ntau yam kev tsim kho thiab cov qauv siv hluav taws xob patents. Tshwj xeeb tshaj yog nyob rau hauv anaerobic kho technologies xws li IC anaerobic tso tsheb hlau luam thiab UASB anaerobic reactors, nws tau sau ib tug loj npaum li cas ntawm kev tsim kho. Peb IC anaerobic reactor tshuab tau siab heev, nrog kev siv tshuab thiab kev ua haujlwm siab dua, thiab tau txais kev pom zoo ntawm txhua tus neeg siv khoom thiab cov neeg ua haujlwm. Peb tos ntsoov yuav tiv tauj koj yog tias koj muaj ib qho kev xav tau kev kho dej khib nyiab thiab ua tiav kev yeej- yeej kev koom tes.
