Oxygen Production Rau Lub Desulfurization Ntawm Biogas

Oxygen rau desulfurization hauv cov nroj tsuag biogas

Hauv cov nroj tsuag biogas, biogas yog tsim los ntawm biomass raw khoom los ntawm fermentation, uas tuaj yeem siv rau lub hom phiaj tseem ceeb xws li kev tsim hluav taws xob lossis cua sov. Nyob rau hauv tus txheej txheem ntawm kev tsim biogas, microbial degradation ntawm biomass xws li cov nroj tsuag, slurry thiab slaughter residues yog nqa tawm nyob rau hauv ib qho chaw tsis muaj oxygen. Txawm li cas los xij, nws tsim nyog sau cia tias ntau hom biomass feem ntau muaj cov ntsiab lus siab ntawm sulfur. Hauv cov tshuaj tiv thaiv tom qab, leej faj muaj nyob rau hauv biogas hauv daim ntawv ntawm hydrogen sulfide (H2S). Hydrogen sulfide cuam tshuam nrog cov dej qub hauv biomass los tsim cov kua qaub thiab corrosive sib xyaw - alkaline sulfides. Cov alkaline sulfide no ua rau cov hlau tsis zoo ntawm cov fermentation tso tsheb hlau luam thiab cov kav dej, nrog rau cov khoom siv ntoo thiab pob zeb, thiab ua rau muaj kev hem thawj rau kev ua haujlwm thiab kev pabcuam lub neej ntawm biogas cog khoom.
Oxygen plays lub luag haujlwm tseem ceeb hauv cov txheej txheem desulfurization ntawm cov nroj tsuag biogas. Qhov sib ntxiv ntawm cov pa oxygen rau lub tank fermentation tuaj yeem tsim cov kev mob zoo rau kev loj hlob ntawm cov kab mob. Cov kab mob cultivated nyob rau hauv txoj kev no tuaj yeem kho hydrogen sulfide los ntawm microbial decomposition, yog li tiv thaiv alkaline sulfides los ntawm kev puas tsuaj rau cov cuab yeej thiab ua kom cov haujlwm ruaj khov ntawm cov nroj tsuag biogas.
Lub tshuab hluav taws xob oxygen peb tsim tuaj yeem muab cov kev daws teeb meem zoo thiab txhim khu kev qha rau kev ruaj khov thiab mobile oxygen ntau lawm nyob rau hauv ntau daim ntawv thov scenarios, nrog rau cov uas tsis muaj peev xwm yuav tsum tau, kom tau raws li cov pa oxygen xav tau ntawm biogas cog desulfurization thiab lwm yam kev sib txuas ntau lawm.

Tiv tauj peb

Txheej txheem ntau lawm

 

 

1

Raw khoom npaj

Huab cua sau: Sau cua los ntawm qhov chaw huv si thiab siv cov lim cua kom tshem tawm cov khoom loj loj.
Cua compression thiab pretreatment: Lub tshuab cua compressor compresses cua kom haum rau lub siab, ua kom cov cua txias thiab tshem tawm cov dej noo nyob rau tib lub sij hawm los tiv thaiv kev khov tom qab los yog cuam tshuam rau cov khoom lag luam.

2

Oxygen cais

Siab viav vias adsorption (PSA) thev naus laus zis (me me thiab nruab nrab nplai): Cov cua compressed pretreated nkag mus rau hauv lub adsorption ntauwd, cov adsorbent adsorbs impurities nyob rau hauv siab siab, oxygen dhau mus, thiab cov adsorbent yog depressurized thiab regenerated tom qab saturation. Ntau lub adsorption yees ua haujlwm sib hloov, thiab kev tswj xyuas kom ruaj ntseg ntawm oxygen purity thiab tso zis.
 

3

Oxygen purification thiab cia

Oxygen purification: Siv cov ntxaij lim dej zoo thiab cov khoom siv adsorption tshem tawm cov kab impurities hauv oxygen kom ua tau raws li qhov xav tau purity ntawm biogas desulfurization.
Oxygen cia thiab xa khoom: Cov pa ntshiab huv tau muab tso rau hauv lub tank zoo thiab xa mus rau thaj tsam ntawm lub tank fermentation los ntawm cov kav dej thiab lub tshuab valve raws li qhov xav tau, nruab nrog cov kev tswj hwm ntws thiab cov cuab yeej saib xyuas los tswj cov ntim ntim.

4

Kev soj ntsuam zoo thiab kev hloov kho

Kev saib xyuas cov pa oxygen zoo: Cov ntsuas ntsuas thiab cov ntsuas ntsuas tau teeb tsa ntawm txhua qhov txuas tseem ceeb los saib xyuas cov pa purity, siab, thiab ntws tsis.
Kev tawm tswv yim thiab kev hloov kho: Kev saib xyuas cov ntaub ntawv raug xa rov qab mus rau qhov system tswj. Thaum qhov tsis sib txawv, cov kev khiav hauj lwm tsis tau hloov kho lossis lub tswb ceeb toom qhia kev cuam tshuam los ntawm cov pa oxygen kom ua tau raws li tus qauv.

Vim li cas thiaj li tsim cov pa oxygen rau biogas desulfurization xav tau kev saib xyuas tshwj xeeb rau kev sib txuas ntawm huab cua?
Cua yog cov khoom siv raw rau kev tsim cov pa oxygen. Rau kev tsim cov pa oxygen rau biogas desulfurization, huab cua zoo ntawm qhov chaw sau yog qhov tseem ceeb. Yog tias huab cua muaj plua plav ntau dhau, impurities thiab cov tshuaj tsis zoo, nws yuav cuam tshuam rau purity thiab zoo ntawm cov pa oxygen tom qab. Piv txwv li, cov plua plav ntau dhau tuaj yeem thaiv cov qhov hws me me hauv cov khoom siv, thiab cov khoom tsis huv thiab cov tshuaj tsis zoo tuaj yeem ua rau cov pa oxygen los yog nyob twj ywm hauv cov pa thaum lub sij hawm tsim cov pa oxygen, uas thaum kawg yuav cuam tshuam cov nyhuv ntawm biogas desulfurization. Yog li ntawd, nws yog ib qho tsim nyog los xyuas kom meej tias cov huab cua sau tau huv si thiab txo cov yam tsis zoo no. Piv txwv li, kev pom ua ntej ntawm cov khoom loj uas raug tshem tawm (xws li xuab zeb thiab plua plav) los ntawm cov lim cua yog qhov tsim nyog ntsuas.
 

Dab tsi yog lub luag haujlwm ntawm adsorbent hauv siab viav vias adsorption (PSA) thev naus laus zis rau kev sib cais oxygen?
Nyob rau hauv lub siab viav vias adsorption (PSA) technology, adsorbent plays lub luag haujlwm tseem ceeb. Thaum lub pretreated compressed cua nkag mus rau hauv lub adsorption ntauwd nruab nrog adsorbent (xws li zeolite molecular sieve, thiab lwm yam), lub adsorbent xaiv adsorbs impurity gases xws li nitrogen thiab carbon dioxide nyob rau hauv siab. Qhov no yog vim hais tias cov qauv tshwj xeeb thiab cov khoom siv tshuaj lom neeg ntawm cov adsorbent ua rau nws muaj peev xwm adsorption muaj zog rau cov impurity gases, thaum cov pa oxygen tuaj yeem yooj yim dhau los ntawm ntauwd adsorption los ua cov khoom siv roj. Thaum cov adsorbent adsorbs impurity gases ze rau saturation, cov adsorbent tuaj yeem desorbed los ntawm kev txo lub siab kom ua tiav cov adsorbent regeneration, xyuas kom meej tias ntau cov adsorption yees ua haujlwm sib hloov, thiab tsis tu ncua thiab ruaj khov tsim cov pa oxygen uas ua tau raws li cov kev xav tau ntawm biogas desulfurization.
 

Thaum siv tshuab cryogenic distillation yog siv rau kev tsim cov pa oxygen loj, yuav ua li cas thiaj tswj tau qhov kub thiab txias ib puag ncig?
Nyob rau hauv tus txheej txheem ntawm loj-scale oxygen ntau lawm los ntawm cryogenic distillation technology, tswj ib tug tsawg-kub ib puag ncig yuav tsum muaj kev koom tes ntawm ntau yam kev sib txuas. Ua ntej, tom qab compression thiab pretreatment, huab cua yuav txias kom ze rau -196 degree (lub boiling point ntawm kua nitrogen). Nyob rau hauv cov txheej txheem no, nws yog ib qho tseem ceeb rau nruab nws nrog ib tug npaum lub tub yees system, uas yuav tsis tu ncua muab tsis tshua muaj-kub txias peev xwm. Nyob rau tib lub sijhawm, cov khoom siv hluav taws xob hloov pauv kuj tseem ceeb heev. Cov huab cua txias los ntawm kev sib pauv cua sov hauv lub ntsiab cua kub exchanger, thiab nyob rau hauv tag nrho cov distillation txheej txheem, los ntawm tsim nyog lub tshav kub pauv tsim, lub tshav kub input thiab poob yog txo kom ntseeg tau tias cov kua cua yuav evaporated thiab condensed ntau zaus nyob rau hauv lub distillation ntauwd. nyob rau hauv qis-kub tej yam kev mob, thiaj li mus cuag cov kev sib cais ntawm cov pa oxygen thiab lwm yam gases los ntawm kev siv cov sib txawv boiling ntsiab lus ntawm lub Cheebtsam nyob rau hauv cov huab cua.
 

Hauv cov txheej txheem oxygen purification, cov lim dej zoo thiab cov khoom siv adsorption tshem tawm cov impurities li cas?
Hauv cov txheej txheem oxygen purification, cov ntxaij lim dej zoo yog siv los tshem tawm lub cev tsis huv. Nws muaj ib tug me me pore qauv nyob rau hauv, qhov luaj li cas ntawm precisely tswj, thiab muaj peev xwm cuam tshuam thiab tshem tawm cov me me me me qhov seem nyob rau hauv cov pa oxygen, xws li ua tau zoo heev hmoov av. Cov khoom siv adsorption siv lub hauv paus ntsiab lus ntawm cov tshuaj adsorption kom tshem tawm impurities. Piv txwv li, rau impurities xws li cov kab dej, carbon dioxide, thiab hydrocarbons, qhov adsorbent nto muaj qhov chaw tshwj xeeb. Cov impurity molecules no cuam tshuam nrog cov chaw nquag thiab raug adsorbed rau ntawm qhov chaw adsorbent, yog li raug tshem tawm ntawm cov pa, xyuas kom cov pa mus txog qhov siab purity xav tau los ntawm cov txheej txheem biogas desulfurization.

Cim npe nrov: Oxygen ntau lawm rau desulfurization ntawm biogas, Tuam Tshoj oxygen ntau lawm rau desulfurization ntawm biogas, lwm tus neeg, Hoobkas