Case Study: Pov tseg Thaum tshav kub kub rov qab los ntawm Biogas fais fab nroj tsuag rau Anaerobic Digester Rwb thaiv tsev

 

I. Project Overview

Qhov project no yog nyob rau hauv ib qho loj -cov tsiaj txhu thiab cov nqaij qaib ua liaj ua teb ua lag luam hauv Bavaria, Lub teb chaws Yelemees. Nws yog nruab nrog lub nruab nrab - loj biogas fais fab nroj tsuag thiab ib qho kev kho anaerobic fermentation system, uas nws lub luag haujlwm tseem ceeb yog kho tsiaj txhu thiab nqaij qaib quav thiab yug me nyuam cov dej khib nyiab uas tsim los ntawm loj- cov liaj teb loj hauv lub tiaj ua si. Biogas yog tsim los ntawm anaerobic fermentation rau lub zog tsim hluav taws xob, thaum paub txog kev siv cov khoom pov tseg thiab kev tso tawm ib puag ncig. Tag nrho cov kev kho mob ntawm qhov project yog 120 tons ntawm tsiaj nyeg thiab nqaij qaib quav thiab 300 cubic meters ntawm yug me nyuam cov dej khib nyiab ib hnub twg, nruab nrog 2 teeb ntawm 100kW biogas generator teeb thiab 8 bionic plab hnyuv anaerobic digesters nrog ib tug ntim ntawm 2000 cubic meters txhua. Cov fermentation raw cov ntaub ntawv nkag mus rau hauv anaerobic digesters tom qab pretreatment, thiab biogas yog tsim los ntawm microbial metabolism ntawm qhov kub thiab txias. Tom qab kev kho kom huv huv, biogas raug xa mus rau lub tshuab hluav taws xob teeb rau kev tsim hluav taws xob. Tag nrho cov khoom pov tseg thaum lub sij hawm tsim hluav taws xob tau rov qab los thiab siv rau qhov kub thiab txias ntawm cov anaerobic digesters, tsim lub kaw- voj zog siv lub zog ntawm "anaerobic fermentation rau biogas ntau lawm - biogas fais fab tiam - khib nyiab rov qab rau kev rwb thaiv tsev -.

Ua ntej qhov kev nqis tes ua, lub caij ntuj no rwb thaiv tsev ntawm cov anaerobic digesters feem ntau tau txais cov txheej txheem ntawm hluav taws xob cua sov pab los ntawm chav boiler cua sov, uas muaj cov teeb meem ntawm kev siv hluav taws xob siab, tsis ruaj tsis khov cov nyhuv, kev ua haujlwm siab thiab kev siv hluav taws xob loj. Tshwj xeeb tshaj yog nyob rau hauv lub caij ntuj no txias thiab noo nyob rau hauv Bavaria, qhov kub thiab txias nyob rau hauv lub anaerobic digesters yog ib qho nyuaj rau stably tswj nyob rau hauv qhov tsim nyog ntau yam rau mesophilic fermentation, ua rau muaj kev hloov pauv loj hauv biogas ntau lawm thiab cuam tshuam rau lub zog tsim hluav taws xob. Txhawm rau daws cov teeb meem saum toj no, qhov project tau qhia txog biogas hluav taws xob tsim hluav taws xob hluav taws xob hluav taws xob rov qab siv hluav taws xob, thiab tshwj xeeb yog xaiv Changzhou Vrcooler Refrigeration Co., Ltd. (VRCOOLER) - cov chaw tsim khoom ntawm cov khoom siv hluav taws xob sib pauv hluav taws xob - los tsim thiab tsim cov tub ntxhais cov khoom siv hluav taws xob rov qab. Cov khib nyiab rov qab los siv cov qauv finned tube, uas tuaj yeem nthuav dav thaj chaw sib pauv cua sov thiab txhim kho cov khoom siv hluav taws xob zoo, ua kom cov khoom siv hluav taws xob zoo rov qab tau zoo thiab lub tog raj kheej lub tog raj kheej cov dej khib nyiab thaum lub sijhawm ua haujlwm ntawm lub tshuab hluav taws xob teeb rau rwb thaiv tsev ntawm anaerobic digesters, realizing cascaded zog siv improving, txo cov nqi khiav lag luam.

II. Core Technology thiab Txheej Txheem Tsim

(I) Cov Ntsiab Cai Txuj Ci

Thaum lub tshuab hluav taws xob biogas tau ua haujlwm, tsuas yog 35% -42% ntawm lub zog tsim los ntawm cov roj combustion yog hloov mus rau hauv hluav taws xob, thiab qhov seem 58% -65% ntawm lub zog yog dissipated nyob rau hauv daim ntawv ntawm flue gas khib nyiab tshav kub (kub mus txog 600 degree) thiab lub tog raj kheej tsho dej khib nyiab cua sov (kub 9). Direct emission tsis tsuas yog ua rau lub zog pov tseg tab sis kuj ua rau kom muaj kuab paug ib puag ncig thermal. Thaum lub sij hawm anaerobic fermentation txheej txheem, microbial kev ua ub no rhiab heev rau kub. Ntawm mesophilic fermentation (35-40 degree), methanogen kev ua tau zoo, thiab biogas ntau lawm thiab fermentation efficiency yog siab tshaj. Txawm li cas los xij, qhov ntsuas kub nyob hauv lub caij ntuj no qis, thiab cov anaerobic digesters dissipate tshav kub sai, yuav tsum tau muab cov cua sov tas li los tswj qhov kub thiab txias hauv cov digesters. Los ntawm cov khoom siv hluav taws xob pov tseg, qhov phiaj xwm no rov ua dua thiab sib pauv cov khoom siv hluav taws xob pov tseg thaum lub sijhawm tsim hluav taws xob, tom qab ntawd thauj mus rau cov khoom siv hluav taws xob anaerobic kom muab cov cua sov ruaj khov, hloov cov txheej txheem hluav taws xob hluav taws xob thiab chav boiler cua sov, thiab ua tiav cov hom phiaj ntawm "kev siv hluav taws xob rov ua dua tshiab, txo nqi thiab kev ua haujlwm nce, thiab kev tiv thaiv ib puag ncig thiab txuag hluav taws xob".

(II) Cov Txheej Txheem Txheej Txheem

Cov khib nyiab pov tseg rov qab thiab anaerobic digester rwb thaiv tsev ntawm qhov project no yog tsim los ntawm 4 qhov chaw, uas ua haujlwm sib koom ua ke kom ntseeg tau tias cov khoom siv hluav taws xob rov qab tau zoo, kev thauj mus los ruaj khov thiab kev tswj xyuas qhov kub thiab txias ntawm cov anaerobic digesters, raws li hauv qab no:

Biogas Power Generation System: Ob lub tshuab hluav taws xob 100kW tau txais yuav, siv biogas uas tsim los ntawm anaerobic digesters ua roj. Tom qab kev kho kom huv huv xws li desulfurization thiab lub cev qhuav dej, biogas raug xa mus rau lub tshuab hluav taws xob teeb rau kev sib txuas thiab kev tsim hluav taws xob. Txhua chav tsev siv 48 cubic meters ntawm biogas ib teev, nrog rau lub zog tsim efficiency ntawm 42%, thiab generates ib tug loj npaum li cas ntawm cov khib nyiab thaum tshav kub kub (qhov siab tshaj plaws khib kub ntawm ib chav tsev yog 286kW), muab ib tug ruaj khov qhov chaw rau pov tseg tshav kub rov qab. Cov khoom siv hluav taws xob tau nruab nrog cov khoom siv biogas desulfurization, uas tuaj yeem tshem tawm hydrogen sulfide hauv biogas zoo, zam cov khoom siv corrosion, thiab xyuas kom ntev - lub sijhawm ua haujlwm ruaj khov ntawm lub cev.

Khib Kub Restore System: Cov khoom siv tseem ceeb muaj xws li flue roj kub exchanger, lub tog raj kheej lub tsho dej kub exchanger thiab circulating twj tso kua mis, tag nrho cov uas yog tsim thiab manufactured los ntawm VRCOOLER (Changzhou Vrcooler Refrigeration Co., Ltd.), ib tug kev lag luam uas muaj kev nplua nuj nyob rau hauv kev sib pauv khoom cua sov R & D thiab ntau lawm, tuav ISO 9001 thoob ntiaj teb zoo system ntawv pov thawj. Lub kaw lus tau txais kev tsim "ob-loop heat exchange" tsim, thiab cov khoom siv hluav taws xob sib pauv ntawm cov khoom siv hluav taws xob pov tseg yog finned tube cov qauv - cov finned tubes yog tsim los ntawm helically wrapping fin strips nyob ib ncig ntawm lub raj ncig, nrog cov corrugated fins ntawm sab nrauv phab ntsa kom txhim kho qhov kub thiab txias. Ntawm qhov tod tes, qhov siab -kub flue gas pov tseg cov cua sov tawm los ntawm lub tshuab hluav taws xob teeb yog rov qab los ntawm VRCOOLER finned tube flue gas heat exchanger, cua sov qhov nruab nrab (ib qho sib xyaw ntawm cov tshuaj tua kab mob thiab dej) txog 58℃; Ntawm qhov tod tes, lub tog raj kheej lub tsho dej khib nyiab ntawm lub tshuab hluav taws xob tau rov qab los ntawm VRCOOLER finned tube lub tog raj kheej lub tsho dej kub exchanger, ntxiv qhov kub ntawm qhov nruab nrab mus rau saum toj 65 degree, kom ntseeg tau tias qhov kub ntawm qhov kub thiab txias raws li qhov xav tau ntawm rwb thaiv tsev ntawm cov anaerobic digesters. Lub VRCOOLER pov tseg cov cua sov rov qab yog nruab nrog cov cuab yeej ntse tswj qhov kub thiab txias, uas tuaj yeem hloov kho cov cua sov ua haujlwm raws li qhov kub thiab txias ntawm qhov kub thiab txias, txo cov hluav taws kub poob. Kev ntsuam xyuas qhia tau tias cov khoom siv hluav taws xob rov qab ua haujlwm tau zoo tshaj li 85%, uas tuaj yeem rov qab tau cov khoom siv hluav taws xob pov tseg thaum lub sij hawm tsim hluav taws xob, ua tsaug rau qhov ua tau zoo ntawm cov cua kub hloov pauv ntawm cov qauv finned raj thiab VRCOOLER tus qauv tsim.

Anaerobic Digester Insulation System: Tag nrho 8 anaerobic digesters txais kev tsim qauv ntawm "sab hauv coil cua sov + txheej rwb thaiv tsev sab nraud". High-kub thiab corrosion-cov coils resistant yog nteg nyob ib ncig ntawm lub puab phab ntsa ntawm lub digesters, thiab cov circulating nruab nrab exchanges tshav kub nrog cov fermentation kua nyob rau hauv lub digesters los ntawm lub coils kom ua tau zoo kub nce nyob rau hauv lub digesters; 15cm tuab foamed cement rwb thaiv tsev txheej yog pw rau ntawm phab ntsa sab nrauv ntawm cov digesters. Foamed MAAs muaj kev ua haujlwm zoo thermal rwb thaiv tsev, uas tuaj yeem txo cov cua sov hauv cov digesters. Raws li kev suav lej simulation, nyob rau hauv cov txheej txheem rwb thaiv tsev no, tag nrho cov cua sov poob ntawm cov anaerobic digesters tuaj yeem tswj tau nyob rau hauv 428.24MJ·d⁻¹, ua kom cov rwb thaiv tsev ruaj khov. Nyob rau tib lub sij hawm, cov anaerobic digesters txais yuav ib tug bionic plab hnyuv qauv, uas tsis yuav tsum tau txhua yam stirring li, muaj ib tug yooj yim qauv thiab tsis muaj zog noj, thiab muaj peev xwm paub txog dynamic sib cais ntawm txhua fermentation theem thiab txhim kho fermentation efficiency.

Intelligent Control System: PLC ntse tswj qhov system tau txais kev pom zoo los ntawm - lub sijhawm saib xyuas ntau dua 200 qhov ntsuas xws li qhov ntsuas kub ntawm cov kua fermentation hauv cov anaerobic digesters, qhov kub ntawm qhov nruab nrab ntawm qhov nruab nrab, qhov kub thiab txias ntawm lub tshuab hluav taws xob. Qhov ceev ntawm lub twj tso kua mis thiab cov khoom siv hluav taws xob pov tseg tau hloov kho los ntawm cov kev pab cuam preset kom ntseeg tau tias qhov kub thiab txias hauv cov anaerobic digesters yog ruaj khov ntawm qhov zoo tshaj plaws fermentation ntau ntawm 35 ± 0.5 degree. Thaum qhov kub hauv lub digesters qis dua tus nqi preset, lub kaw lus cia li ua rau cov khoom siv hluav taws xob ntau ntxiv; thaum qhov kub thiab txias siab tshaj qhov preset tus nqi, nws cia li txo cov khib nyiab thaum tshav kub kub xa khoom ntim. Nyob rau tib lub sijhawm, cov khoom siv hluav taws xob ntau dhau tuaj yeem siv rau cov cua sov hauv cov txheej txheem ua ntej ntawm fermentation raw cov ntaub ntawv, realizing cascaded khib nyiab cua sov siv thiab txhim kho kev siv hluav taws xob efficiency.

(III) Cov txheej txheem tseem ceeb Optimization

1. Kev Siv Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob: Los ntawm kev suav cov kua dej dynamics (Fluent) cov lej simulation txoj kev, qhov ntsuas kub hauv qhov anaerobic digester yog simulated thiab soj ntsuam, thiab coil layout ntom ntom thiab kub pauv txoj kev yog optimized los xyuas kom meej qhov kub thiab txias faib nyob rau hauv lub digesters, tsis txhob ntau dhau los yog tsis txaus nyob rau hauv lub zos kub. Nyob rau tib lub sijhawm, nws tau txiav txim siab tias cov nyhuv rwb thaiv tsev yog qhov zoo tshaj plaws thaum cov cua kub kub yog 35 degree.

2. Kev xaiv cov khoom siv rwb thaiv tsev: Tom qab sib piv cov kev ua tau zoo ntawm ntau cov ntaub ntawv rwb thaiv tsev, foamed cement raug xaiv los ua cov khoom siv rau txheej txheej rwb thaiv tsev ntawm cov anaerobic digesters. Cov khoom no muaj qhov zoo ntawm cov rwb thaiv tsev zoo, tus nqi qis, kev tiv thaiv corrosion, kev tiv thaiv ib puag ncig thiab tsis yog - toxicity. Piv nrog rau cov khoom siv rwb thaiv tsev polyurethane, nws tuaj yeem txo cov nqi rwb thaiv tsev ntau dua 15% thiab txo qhov cuam tshuam ib puag ncig.

3. Circulation System Optimization: Ib qho kaw - lub voj voog ncig tau txais yuav, thiab cov khoom siv hluav taws xob tuaj yeem rov qab siv tau los txo cov kev siv dej. Nyob rau tib lub sijhawm, cov ntxaij lim dej thiab cov khoom siv descaling tau nruab rau hauv cov kav dej ntws los tiv thaiv cov kav dej thaiv thiab ntsuas qhov ntsuas, ua kom ntev lub neej ntawm cov khoom siv, thiab txo cov nqi khiav lag luam thiab kev tu.

 

III. Txoj Haujlwm Kev Ua Haujlwm

(I) Npaj Theem (1-2 lub hlis)

Ib pab neeg ua haujlwm tau raug teeb tsa los ua haujlwm ntawm - qhov chaw tshawb xyuas qhov project. Ua ke nrog cov nplai ntawm cov anaerobic digesters, qhov tsis sib xws ntawm lub tshuab hluav taws xob teeb thiab cov huab cua hauv cheeb tsam hauv Bavaria, cov qauv tsim ntawm cov khoom siv hluav taws xob rov qab tau zoo hauv kev koom tes nrog VRCOOLER cov kws tshaj lij, thiab cov qauv ntawm VRCOOLER finned tube heat exchangers, coil layout gentemeter system, kev tswj xyuas cov txheej txheem thiab cov khoom siv hluav taws xob. Cov khoom siv tseem ceeb xws li VRCOOLER finned tube flue gas heat exchangers, VRCOOLER lub tog raj kheej lub tsho dej kub exchangers, circulating twj, foamed cement rwb thaiv tsev cov ntaub ntawv thiab ntse ntsuas kub tswj cov cuab yeej tau muas los xyuas kom meej tias cov cuab yeej zoo raws li cov kev cai engineering - VRCOOLER lub tshav kub exchangers txais siab - cov ntaub ntawv zoo stainless hlau thiab corrosion kuj. siab -kub tsis kam, yoog mus rau qhov hnyav ua haujlwm ntawm qhov siab - kub flue roj thiab lub tog raj kheej lub tsho dej; Kev cob qhia kev cob qhia tau muab rau cov neeg ua haujlwm tsim kho kom paub meej txog cov txheej txheem kev tsim kho, kev nyab xeeb tshwj xeeb thiab cov qauv zoo, tsom mus rau kev cob qhia kev teeb tsa kev txawj ntse ntawm VRCOOLER finned tube khib nyiab hluav taws xob rov qab thiab kev tsim hluav taws xob ntawm cov khoom siv hluav taws xob anaerobic.

(II) Kev Txhim Kho thiab Kev Tsim Kho Khoom Siv (3-4 lub hlis)

1. Kev Txhim Kho Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob: Ua ntej, VRCOOLER finned tube flue gas heat exchanger thiab VRCOOLER finned tube cylinder tsho dej kub exchanger tau tsau ntsia raws li cov chaw tsim khoom tshwj xeeb thiab ntawm - qhov yuav tsum tau ua ntawm qhov chaw tsim. Lub raj xa hluav taws xob thiab lub tog raj kheej lub tog raj kheej cov kav dej nruab nrab ntawm cov khoom siv hluav taws xob sib txuas thiab lub tshuab hluav taws xob tau txuas nrog, thiab cov kav dej sib khi tau ua tiav los tiv thaiv cov hluav taws xob pov tseg - VRCOOLER finned tube heat exchangers yog nruab nrog corrosion-coated coils, uas tuaj yeem tiv thaiv corrosion ntawm cov kua qaub kua qaub, 5 lub sijhawm ua haujlwm ruaj khov. Tom qab ntawd cov twj tso kua mis thiab cov raj xa dej tau raug teeb tsa, qhov ntsuas kub tswj qhov ntse tau txuas nrog PLC tswj qhov system, thiab cov khoom siv ua haujlwm tau ua tiav nrog VRCOOLER tom qab- pab pawg muag khoom kom ntseeg tau tias kev ua haujlwm zoo ntawm cov khoom siv hluav taws xob rov qab thiab muab kev ua si tag nrho rau lub tshav kub hloov qhov zoo ntawm cov qauv finned raj.

2. Rwb thaiv tsev ntawm Anaerobic Digesters: Ua ntej, cov phab ntsa sab nrauv ntawm cov anaerobic digesters raug ntxuav thiab derusted, ces cov foamed cement rwb thaiv tsev txheej tau nteg los xyuas kom meej tias cov rwb thaiv tsev txheej yog uniform nyob rau hauv thickness, tsis muaj kev puas tsuaj thiab hollowing; siab -kub thiab corrosion-cov coils tiv taus tau muab tso rau ntawm phab ntsa sab hauv ntawm cov digesters, txuas nrog cov kav dej, thiab kev ntsuas dej siab tau ua tiav los xyuas kom tsis txhob muaj cov coils; Kub sensors nyob rau hauv lub digesters raug ntsia thiab txuas nrog lub ntse tswj system kom paub tiag tiag -lub sij hawm ntsuas kub.

3. System Linkage Commissioning: Tom qab kev teeb tsa ntawm tag nrho cov cuab yeej ua tiav, kev sib txuas ua haujlwm tau ua tiav los simulate tag nrho cov txheej txheem ntawm lub tshuab hluav taws xob teeb ua haujlwm, pov tseg cov cua sov rov qab thiab anaerobic digester rwb thaiv tsev, debug tsis xws li qhov kub thiab txias qhov tseeb, circulating twj tso kua mis ceev thiab tshav kub exchanger efficiency, daws teeb meem xws li pipeline to thiab incurate kub tswj system thaum lub sij hawm ua hauj lwm commissioning. tsim kom muaj.

(III) Kev sim ua haujlwm thiab lees txais theem (1 hli)

Tom qab qhov kev sib txuas ntawm qhov system commissioning tau tsim nyog, nws nkag mus rau theem kev sim ua haujlwm. Thaum lub sij hawm sim ua haujlwm, cov ntsuas xws li qhov ntsuas kub ruaj khov hauv cov anaerobic digesters, pov tseg cov cua sov rov qab ua haujlwm thiab kev ua haujlwm ntawm lub tshuab hluav taws xob teeb tsa tau tiag tiag- lub sijhawm saib xyuas, cov ntaub ntawv cuam tshuam tau raug kaw, thiab qhov ntsuas qhov ntsuas tau zoo thiab hloov kho; Tom qab kev sim ua haujlwm, ib pab pawg kws tshaj lij tau teeb tsa los ua qhov kev lees paub, tsom mus rau kev tshuaj xyuas cov khoom siv hluav taws xob rov qab ua haujlwm, cov nyhuv rwb thaiv tsev ntawm cov anaerobic digesters thiab kev ruaj ntseg ntawm cov khoom siv ua haujlwm. Tom qab qhov kev lees paub tau tsim nyog, qhov project tau raug muab tso rau hauv kev ua haujlwm.

IV. Txoj Haujlwm Kev Ua Haujlwm Zoo thiab Kev Tshawb Fawb Kev Pabcuam

(I) Kev Ua Haujlwm Zoo

Tom qab qhov project tau raug muab tso rau hauv kev ua haujlwm, kev ua haujlwm tau zoo ntawm biogas hluav taws xob tsim hluav taws xob pov tseg hluav taws xob thiab qhov ntsuas kub tsis tu ncua ntawm cov anaerobic digesters tau pom, nrog rau kev ua haujlwm zoo kawg nkaus, tshwj xeeb hauv cov hauv qab no:

Kev tswj qhov kub thiab txias: Los ntawm kev sib koom ua ke ntawm cov kev tswj xyuas ntse thiab cov khoom siv hluav taws xob pov tseg, qhov kub thiab txias hauv cov anaerobic digesters yog ruaj khov ntawm qhov zoo tshaj plaws fermentation ntau ntawm 35 ± 0.5 degree. Txawm hais tias qhov kub thiab txias poob qis dua 0℃hauv lub caij ntuj no, qhov kub ntawm qhov hloov pauv hauv cov digesters tsis tshaj ± 1 degree, uas daws qhov teeb meem ntawm qhov ntsuas kub tsis ruaj khov hauv cov txheej txheem rwb thaiv tsev ib txwm muaj thiab muab qhov chaw tsim nyog loj hlob rau methanogens.

Txhim kho Fermentation Efficiency: Qhov kub thiab txias qhov chaw ib puag ncig zoo txhim kho qhov kev ua haujlwm ntawm anaerobic fermentation efficiency, thiab qhov zoo ntawm bionic plab hnyuv anaerobic digesters yog tag nrho exerted. Lub voj voog fermentation luv luv los ntawm 28 hnub mus rau 21 hnub, biogas ntau lawm tau nce ntau dua 25%, cov roj biogas niaj hnub tau nce los ntawm 1200 cubic meters rau 1500 cubic meters, thiab biogas purity (methane cov ntsiab lus) ruaj khov ntawm 60% -65%, muab roj txaus rau lub zog tsim.

Kev Siv Hluav Taws Xob Hluav Taws Xob Rov Qab: Cov khib nyiab hluav taws xob rov qab ua haujlwm ntawm lub cev yog ntau dua 85%, thiab cov khoom siv hluav taws xob niaj hnub rov qab los ntawm 2 lub tshuab hluav taws xob tuaj yeem ua tau raws li qhov xav tau ntawm cov rwb thaiv tsev tag nrho ntawm 8 lub tshuab hluav taws xob anaerobic, hloov cov hluav taws xob hluav taws xob thiab chav boiler cua sov txoj kev, paub txog kev siv cov khoom siv hluav taws xob pov tseg thiab txo cov hluav taws xob pov tseg.

Kev ua haujlwm ruaj khov: Tag nrho cov txheej txheem muaj qhov siab ntawm automation, thiab cov kev tswj xyuas ntse tuaj yeem paub txog kev ua haujlwm tsis muaj neeg saib xyuas, txo qis kev ua haujlwm thiab kev saib xyuas haujlwm. Txij li thaum kev sim ua haujlwm, cov khoom siv tsis ua haujlwm tau tsawg dua 3%, qhov kev ruaj ntseg ntawm lub cev tau zoo, thiab cov nqi khiav lag luam thiab kev saib xyuas tau raug txo kom zoo.

(II) Kev Tshawb Fawb Txog Kev Pabcuam

1. Cov txiaj ntsig nyiaj txiag

Tom qab kev nqis tes ua, cov txiaj ntsig kev lag luam yog qhov tseem ceeb, feem ntau xav txog peb yam: thawj, txuag cov nqi cua sov. Hloov cov khoom siv hluav taws xob cua sov thiab chav boiler cua sov tuaj yeem txuag tau txog 1200 Euros hauv hluav taws xob thiab roj nqi ib hnub, thiab ntau dua 430,000 Euros hauv cov nqi ua haujlwm txhua xyoo; thib ob, nce lub zog tsim cov nyiaj tau los. Lub biogas ntau lawm yog nce 25%, tsim txog li 900 kWh ntau hluav taws xob ib hnub. Raws li lub zos ntawm -daim phiaj hluav taws xob tus nqi ntawm 0.65 Euros / kWh, cov nyiaj tau los ntawm kev tsim hluav taws xob txhua xyoo yog kwv yees li 210,000 Euros; thib peb, txo cov nqi khiav lag luam thiab kev saib xyuas. Lub kaw lus ua haujlwm tsis tu ncua, txo 2 cov neeg ua haujlwm thiab tu cov neeg ua haujlwm, txuag txog 120,000 Euros hauv cov nqi ua haujlwm txhua xyoo. Kev suav suav qhia tau hais tias qhov project ntxiv txog 760,000 Euros hauv cov txiaj ntsig kev lag luam txhua xyoo, nrog rau lub sijhawm peev nyiaj rov qab tsuas yog 2.5 xyoo. Nyob rau tib lub sijhawm, cov nyiaj tau los txhua xyoo los ntawm kev muag hluav taws xob tuaj yeem ncav cuag 20,281 Euros, thiab tus nqi txhua xyoo tsuas yog 4,047 Euros, uas qhia txog qhov zoo ntawm kev lag luam.

2. Cov txiaj ntsig ib puag ncig

Ua ntej, txo kev siv hluav taws xob. Rov qab thiab siv cov khoom siv hluav taws xob pov tseg los ntawm kev tsim hluav taws xob biogas tuaj yeem txuag tau li ntawm 120 tons ntawm cov qauv thee ib xyoos, txo cov pa phem los ntawm cov thee combustion; thib ob, txo cov pa roj carbon monoxide emissions. Hloov cov txheej txheem cua sov nrog cov khib nyiab rov qab tuaj yeem txo cov pa roj carbon dioxide emissions li ntawm 8,000 tons hauv ib xyoos, pab kom ua tiav lub hom phiaj "dual carbon"; thib peb, paub txog kev siv cov khoom pov tseg. Hloov cov tsiaj nyeg thiab nqaij qaib quav thiab yug me nyuam cov dej khib nyiab rau hauv biogas thiab cov organic chiv txo cov emissions pov tseg, txhim kho qhov zoo ntawm ib puag ncig ib puag ncig, thiab paub txog "tig pov tseg rau hauv cov khoom muaj nqis".

3. Kev Pabcuam Tibneeg

Ua ntej, nws daws qhov teeb meem ntawm cov tsiaj txhu thiab cov nqaij qaib yug me nyuam cov khoom pov tseg, tsis txhob muaj kuab paug ntawm cov av, dej thiab huab cua los ntawm cov quav thiab dej khib nyiab, thiab txhim kho lub zos ecological ib puag ncig; thib ob, nws muab hluav taws xob huv si, ntxiv cov khoom siv hluav taws xob hauv zos, thiab ua kom lub zog tsis txaus hauv cheeb tsam; thib peb, nws txhawb txoj kev loj hlob ntawm kev lag luam kev lag luam pov tseg kev siv hluav taws xob, muab cov ntaub ntawv siv rau kev siv hluav taws xob pov tseg thiab kev siv hluav taws xob zoo xws li biogas fais fab nroj tsuag, tsav txoj kev loj hlob ntawm lub zog tshiab nyob rau hauv ib puag ncig, thiab txhawb kev loj hlob ntsuab thiab kev loj hlob ntawm kev ua liaj ua teb.

 

V. Txoj Haujlwm Summary thiab Outlook

(I) Project Summary

Los ntawm kev qhia txog biogas hluav taws xob tsim hluav taws xob hluav taws xob hluav taws xob rov qab siv hluav taws xob, qhov project no rov qab cov khoom siv hluav taws xob pov tseg thaum lub sijhawm ua haujlwm ntawm lub tshuab hluav taws xob teeb rau cov rwb thaiv tsev ntawm anaerobic digesters, tsim lub kaw- voj zog siv qhov system ntawm "anaerobic fermentation - biogas hluav taws xob tsim hluav taws xob" -} pov tseg cov hluav taws xob rov qab Nws tag nrho daws qhov mob cov ntsiab lus ntawm kev siv hluav taws xob siab, qhov kub tsis ruaj khov thiab cov nqi ua haujlwm siab ntawm cov tsoos anaerobic digester rwb thaiv tsev. Tom qab ua tiav qhov project, nws tsis tsuas yog txhim kho cov anaerobic fermentation efficiency thiab biogas ntau lawm, paub txog kev siv cov khoom siv hluav taws xob pov tseg, tab sis kuj ua tiav cov txiaj ntsig tseem ceeb ntawm kev lag luam, ib puag ncig thiab kev sib raug zoo. Nws txheeb xyuas qhov ua tau thiab qhov zoo tshaj ntawm kev siv biogas fais fab hluav taws xob pov tseg hluav taws xob rau cov hluav taws xob anaerobic digester, thiab muab cov tswv yim ua tau zoo thiab ua tau rau lub zog-txuag kev hloov pauv ntawm nruab nrab-biogas fais fab nroj tsuag.

Tus yuam sij rau kev ua tiav ntawm qhov project yog nyob rau hauv kev sib txuas cov yam ntxwv ntawm cov bionic plab hnyuv anaerobic digesters, optimizing lub tshav kub pauv thiab rwb thaiv tsev tsis tau los ntawm cov zauv simulation, xaiv cov ntaub ntawv rwb thaiv tsev tsim nyog thiab VRCOOLER finned tube pov tseg thaum tshav kub kub rov qab cov cuab yeej - lub finned tube qauv ntawm lub tshav kub exchangers piv nrog p6 lub sij hawm zoo. raj, zoo heev txhim kho cov cua sov rov qab efficiency. Nrog VRCOOLER tus qauv tsim thiab kev tsim muaj peev xwm, thiab sib txuam nrog cov kev tswj xyuas ntse, kev tswj xyuas qhov kub thiab txias tau ua tiav, kom tsis txhob muaj kev cuam tshuam ntawm cov khoom siv hluav taws xob pov tseg thiab qhov kub thiab txias ntawm fermentation efficiency.

(II) Yav Tom Ntej Outlook

Nyob rau hauv lub neej yav tom ntej, raws li qhov kev siv ntawm qhov project no, peb yuav ntxiv optimize cov khib nyiab thaum tshav kub kub rov qab system, txhim kho cov khib nyiab thaum tshav kub kub rov qab efficiency, tshawb xyuas cov cascaded khib nyiab tshav kub siv hom, thiab siv cov pov tseg ntau tshaj cua sov rau cua sov nyob rau hauv lub chaw yug me nyuam thiab pretreatment ntawm fermentation raw cov ntaub ntawv los txhim kho lub zog siv efficiency; Nyob rau tib lub sijhawm, qhia txog cov cuab yeej digital ntxaib los tsim cov qauv digital ntxaib ntawm cov anaerobic fermentation thiab khib nyiab thaum tshav kub kub rov qab system, paub tiag- lub sijhawm saib xyuas, ua txhaum thaum ntxov thiab qhov ntsuas qhov ua kom zoo ntawm cov txheej txheem kev ua haujlwm, thiab txhim kho qib kev txawj ntse ntawm lub system; Tsis tas li ntawd, txhawb cov txheej txheem thev naus laus zis ntawm qhov project no rau biogas fais fab nroj tsuag hauv lwm qhov chaw xws li tsiaj txhu thiab nqaij qaib thiab kev kho cov khoom noj pov tseg, pab ntau lub zog tshiab kom ua tiav kev txuag hluav taws xob thiab txo cov pa roj carbon monoxide, thiab txhawb kev loj hlob ntawm - zoo ntawm kev lag luam ntsuab.