Thaum tshav kub kub rov qab Biogas Generator Unit

1, Cov ntaub ntawv tseem ceeb ntawm cov pov tseg thaum tshav kub kub rov qab hauv biogas generator teeb

Cov khib nyiab ntawm cov tshuab hluav taws xob biogas feem ntau yog los ntawm ob ntu: lub cav tso pa (kub 350-}550 degree, suav txog 60% -70% ntawm tag nrho cov khib nyiab cua sov), thiab lub tog raj kheej liner thiab lubricating roj txias system (kub 80-120 degree, accounting rau 30% ntawm tag nrho cov cua sov). Los ntawm cov phiaj xwm rov ua dua tshiab, cov khoom siv hluav taws xob pov tseg no tuaj yeem siv dav hauv ntau qhov xwm txheej, tsim lub voj voog kaw ntawm "kev tsim hluav taws xob tsim hluav taws xob siv hluav taws xob":

(1) Txhim kho biogas ntau lawm: raw khoom pretreatment thiab fermentation cua sov

Qhov no yog qhov tseem ceeb tshaj plaws ntawm kev siv cov khib nyiab pov tseg, tshwj xeeb tshaj yog tsim nyog rau kev ua haujlwm ruaj khov ntawm loj - nplai biogas tej yaam num.

Fermentation tank cua sov: Qhov zoo tshaj plaws kub rau biogas fermentation yog nruab nrab kub (30-38 degree) los yog kub siab (50-55 degree). Tsis tshua muaj kub ib puag ncig (lub caij ntuj no los yog sab qaum teb cheeb tsam) tuaj yeem ua rau txo qis hauv fermentation efficiency thiab txo qis hauv kev tsim roj. Cov dej khib nyiab rov qab yog siv los ua kom sov lub fermentation broth los ntawm cov phaj kub exchangers los yog muab qhov kub thiab txias tiv thaiv rau lub tank fermentation los ntawm cov dej kub ncig, ua kom cov roj ntau ntau los ntawm 20% -30% thiab ua kom cov roj ruaj khov rau lub caij ntuj no.

• Raw khoom pretreatment: Qee qhov haujlwm biogas siv straw, tsiaj txhu quav, thiab lwm yam khoom siv raw, uas yuav tsum tau ua kom sov kom ua tiav qhov decomposition, hydrolysis, los yog sterilization ntawm raw cov ntaub ntawv. Cov dej kub khib nyiab tuaj yeem siv ncaj qha rau cov khoom siv raw khoom pretreatment, txo kev siv zog ntxiv.

(2) Kev Lag Luam thiab Kev Lag Luam Scenarios: Kev Muag Khoom ncaj qha ntawm Thermal Energy

Lub siab -kub dej kub (80-}95 degree) los yog chav (tsis tshua muaj siab, 0.3-0.6MPa) tsim los ntawm cov khib nyiab rov qab tuaj yeem ua tau raws li qhov xav tau ntawm thermal zog ntawm kev tsim khoom thiab cov tsev lag luam:

Muaj cua sov: ntxuav, ziab, thiab cua sov txheej txheem hauv kev lag luam xws li kev ua zaub mov, textile printing thiab dyeing, tshuaj tshuaj, thiab lwm yam; Kev kho Fecal nyob rau hauv kev yug me nyuam ua liaj ua teb (pasteurization) thiab qhov kub thiab txias nyob rau hauv lub tsev cog khoom (cov av cua sov, cua sov).

Kev lag luam thiab lub tsev cua sov: cua sov lub caij ntuj no rau cov chaw ua si, chaw ua haujlwm, tsev kho mob, thiab tsev kawm ntawv; Cov dej kub hauv tsev rau cov tsev so thiab khw muag khoom (rau kev ntxuav thiab chav ua noj); Lub caij ntuj no rwb thaiv tsev rau cov ntaub ntawv chaw (hloov hluav taws xob cua sov).

(3) Kev Txhim Kho Hluav Taws Xob: Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob thiab Cov tub yees

Rau loj- nplai biogas lub zog tsim cov phiaj xwm (ntsia muaj peev xwm Ntau dua lossis sib npaug li 1MW), kev hloov kho hluav taws xob tuaj yeem ua tiav los ntawm siab-kawg pov tseg cov cua sov rov qab:

• Kev siv hluav taws xob pov tseg hluav taws xob: Siv cov thev naus laus zis thev naus laus zis thev naus laus zis thev naus laus zis (ORC) siab - cov pa roj cua kub yog siv los ua kom sov cov dej ua haujlwm organic (xws li R245fa), tsav lub tshuab hluav taws xob me me los tsim hluav taws xob, ua kom tag nrho cov kev siv hluav taws xob ntawm lub cev mus txog 80%.

Kev nqus cov tub yees: Los ntawm kev siv lithium bromide nqus cov tub yees, cov cua sov khib nyiab tau hloov mus rau hauv lub peev xwm txias rau kev tsim khoom cua txias thiab tsim cov cua txias txias, ua tiav ntau lub zog ntxiv ntawm "lub caij ntuj sov txias, lub caij ntuj no cua sov, thiab lub xyoo-ib puag ncig dej".

Cov cuab yeej siv hluav taws xob pov tseg tsis yog tsuas yog nthuav dav daim ntawv thov ciam teb ntawm biogas lub zog, tab sis kuj qhia tau ntau yam zoo ntawm kev lag luam, kev tiv thaiv ib puag ncig, thiab thev naus laus zis, dhau los ua "cov cuab yeej muaj zog" rau cov phiaj xwm biogas fais fab:

(1) Txhim kho qhov kev siv dav dav ntawm lub zog thiab txo qis hluav taws xob pov tseg

Kev tsim hluav taws xob biogas ib txwm ua haujlwm tsuas yog tsom rau cov khoom siv hluav taws xob, nrog rau cov khoom siv hluav taws xob ntau ntawm cov hluav taws xob ncaj qha tawm thiab siv hluav taws xob tsawg dua 45%. Los ntawm cov khoom siv hluav taws xob pov tseg, kev siv hluav taws xob ntau ntawm cov kab ke tuaj yeem nce mus rau 75% -90%, uas yog sib npaug rau ntau tshaj li ob npaug ntawm cov khoom siv hluav taws xob zoo ib lub cubic meter ntawm biogas. Noj 1MW biogas generator teeb tsa ua piv txwv, qhov nruab nrab niaj hnub tsim hluav taws xob yog kwv yees li 24000 kilowatt teev, thiab cov khoom siv hluav taws xob rov qab tuaj yeem ua tau raws li qhov kev thov rau 20000 square meters ntawm lub tsev cua sov lossis 500 tons ntawm cov dej kub hauv tsev ib hnub, hloov tag nrho tib hom "tsuas yog tsim hluav taws xob, txuag hluav taws xob".

(2) Txo cov nqi khiav lag luam thiab txhim kho qhov project profitability

• Txo cov roj noj: Thaum siv hluav taws xob pov tseg rau cov cua sov fermentation tso tsheb hlau luam, nws tuaj yeem hloov hluav taws xob cua sov thiab thee- raug rho tawm / roj- cov boilers, txo cov nqi hluav taws xob. Raws li cov ntaub ntawv los ntawm 1.2MW biogas project nyob rau sab qaum teb Tuam Tshoj, cua sov lub tank fermentation nrog khib nyiab thaum lub caij ntuj no tuaj yeem txuag tau qhov nruab nrab ntawm 300 cubic meters ntawm natural gas noj ib hnub twg thiab txuag kwv yees li 600000 yuan hauv cov nqi txhua xyoo.

• Ua kom cov nyiaj tau los: Cov khoom siv hluav taws xob ntau dhau tuaj yeem muab rau sab nraud (xws li cua sov / dej kub rau cov chaw lag luam thiab cov neeg nyob ib puag ncig), tsim cov nyiaj tau los ntawm "hluav taws xob + cua sov", ua kom luv lub sij hawm them rov qab ntawm qhov project los ntawm 1-3 xyoos. Cov nyiaj tau los ntawm thermal zog ntawm qee qhov haujlwm suav nrog 30% -40% ntawm tag nrho cov nyiaj tau los, ua kom muaj peev xwm tiv thaiv kev pheej hmoo.