Ukuveliswa kwehydrogen eHengzhong ngegesi yendalo okanye ijenereyitha yegesi yehydrogen

Inkcazo emfutshane:

Igesi yendalo njengepetroli ixutywa negesi yokutsalwa kwe-pressure swing adsorption, kwaye emva koko umthamo wegesi yepetroli kwi-preheater yegesi yepetroli uhlengahlengiswa ngokweqondo lobushushu begesi kwindawo yokuphuma kwesithando sokuguqula. Emva kokulungiswa kokuhamba, igesi yepetroli ingena kwisitshisi esiphezulu ukuze sitshiswe ukuze inike ubushushu kwisithando sokuguqula.


Iinkcukacha zeMveliso

1. Iiparameter eziphambili zesixhobo

1.1 Iimeko zoyilo
Igama lezinto eziluhlaza: igesi yendalo
Uxinzelelo lwezinto ezikrwada: 0.02mpag (uxinzelelo lokulinganisa)
Ubushushu bezinto eziluhlaza: ubushushu obujikeleze umhlaba
Ukwakheka kwezinto eziluhlaza (Okwexeshana)

1.2 Iimfuno zobugcisa ze-hydrogen yemveliso
Umthamo wemveliso: 235 Nm3 / h (500kg / D)
Ubumsulwa be-hydrogen: H2 ≥ 99.9%
Ukusetyenziswa kwegesi yendalo: 110m3 / h (i-LHV engaphezulu kwe-8500Kcal / m3)
Uxinzelelo lwe-hydrogen output: ≥ 1.6Mpa
Ubushushu bokuphuma: ≤ 40 ℃

1.3 Isiqinisekiso sokusebenza
Ixesha eliphakathi phakathi kokungasebenzi kwezixhobo zamandla ziiyure ezingama-8000
Ukuguquguquka kokusebenza kwesixhobo: 30 ~ 110%
Ubomi boyilo lwezixhobo ezingashukumiyo yiminyaka eli-15

1.4 Uyilo ngokubanzi
Indawo yoyilo lwesixhobo sangaphandle yi-26mx10m = 260m2

2. Iyunithi yenkqubo

2.1 Inkqubo yetekhnoloji
Uxinzelelo kunye nokuguqulwa kwegesi yendalo
Igesi yendalo engaphandle komda webhetri iqala icinezelwe ukuya kwi-1.6Mpa yi-compressor, ize ifudunyezwe ukuya kuma-380 ℃ yi-preheater yegesi yokuphakelwa kwindawo yokuhambisa umoya kwisithando somlilo somphunga, ize ingene kwi-desulfurizer ukuze isuse isalfure kwigesi yokuphakelwa engaphantsi kwe-0.1ppm. Igesi yokuphakelwa e-desulfurised kunye nomphunga wenkqubo (3.0mpaa). Lungisa i-preheater yegesi exutyiweyo ngokwexabiso elizenzekelayo le-H2O / ∑ C = 3 ~ 4, ufudumale ngakumbi ukuya ngaphezulu kwe-510 ℃, kwaye ngokulinganayo ungene kwipayipi yokuguqula ukusuka kumbhobho oyintloko wokuqokelela igesi ephezulu kunye nombhobho ophezulu we-pigtail. Kwi-catalyst layer, i-methane isabela kunye nomphunga ukuvelisa i-CO kunye ne-H2. Ubushushu obufunekayo ekuguqulweni kwe-methane bubonelelwa ngumxube wepetroli otshisiweyo kwisitovu esisezantsi. Ubushushu begesi eguquliweyo ephuma kwisithando somlilo somphunga yi-850 ℃, kwaye ubushushu obuphezulu buguqulwa bube kubushushu obuphezulu. Igesi yekhemikhali ingena kwicala letyhubhu yebhoyila yobushushu obumdaka ukuze ivelise umphunga ogcweleyo we-3.0mpaa. Ubushushu begesi yokuguqula ukusuka kwibhoyila yobushushu benkunkuma buyehla bufike kwi-300 ℃, emva koko igesi yokuguqula ingena kwi-preheater yamanzi e-boiler feed, i-conversion gas water cooler kunye ne-conversion gas water separator ukuze yahlule i-condensate kwi-process condensate, kwaye igesi yenkqubo ithunyelwa kwi-PSA.
Igesi yendalo njengepetroli ixutywa negesi yokutsalwa kwe-pressure swing adsorption, kwaye emva koko umthamo wegesi yepetroli kwi-preheater yegesi yepetroli uhlengahlengiswa ngokweqondo lobushushu begesi kwindawo yokuphuma kwesithando sokuguqula. Emva kokulungiswa kokuhamba, igesi yepetroli ingena kwisitshisi esiphezulu ukuze sitshiswe ukuze inike ubushushu kwisithando sokuguqula.
Amanzi acociweyo atshiswa yi-preheater yamanzi acociweyo kunye ne-boiler feed water preheater aze angene kwi-out-product steam ye-flue gas waste boiler kunye ne-reforming gas waste boiler.
Ukuze amanzi okusela kwibhoyila ahlangabezane neemfuno, kufuneka kongezwe isixa esincinci sesisombululo se-phosphate kunye ne-deoxidizer ukuphucula ukukala kunye nokugqwala kwamanzi kwibhoyila. Idrama kufuneka ikhuphe inxalenye yamanzi kwibhoyila rhoqo ukulawula zonke izinto eziqinileyo ezinyibilikisiweyo zamanzi kwibhoyila kwidrama.

Ukutsalwa koxinzelelo lwe-swing
I-PSA ineenqaba ezintlanu zokufunxa. Inqaba enye yokufunxa ikwimeko yokufunxa nangaliphi na ixesha. Izinto ezifana ne-methane, i-carbon dioxide kunye ne-carbon monoxide kwigesi yokuguqula zihlala phezu kwe-adsorbent. I-hydrogen iqokelelwa phezulu kwinqaba yokufunxa njengezinto ezingezizo zokufunxa kwaye ithunyelwa ngaphandle komda. I-adsorbent egcwele izinto ezingcolileyo ikhutshwa kwi-adsorbent ngenyathelo lokuhlaziya. Emva kokuba iqokelelwe, ithunyelwa kwisithando sokuguqula njengefutha. Amanyathelo okuhlaziya enqaba yokufunxa aqulunqwe ngamanyathelo ali-12: ukuhla kokuqala okufanayo, ukuhla kwesibini okufanayo, ukuhla kwesithathu okufanayo, ukukhupha phambili, ukukhupha umva, ukufunxa, ukunyuka kwesithathu okufanayo, ukunyuka kwesibini okufanayo, ukunyuka kokuqala okufanayo kunye nokunyuka kokugqibela. Emva kokuhlaziya, inqaba yokufunxa iyakwazi kwakhona ukunyanga igesi eguquliweyo kunye nokuvelisa i-hydrogen. Iinqaba ezintlanu zokufunxa ziyatshintshana ukwenza la manyathelo angasentla ukuqinisekisa unyango oluqhubekayo. Injongo yokuguqula igesi kunye nokuvelisa i-hydrogen rhoqo ngaxeshanye.

 

2.2 Izixhobo eziphambili zenkqubo

S/N Izixhobo

igama

Eyona iphambili

iinkcukacha

Izixhobo eziphambili Ubunzima beyunithi itoni Ubungakanani Amagqabaza
Icandelo lokuguqula umphunga wegesi yendalo          
1 Isithando somlilo soMguquleli       Iseti e-1  
  Umthwalo wobushushu Icandelo lemitha: 0.6mW        
    Icandelo leConvection: 0.4mw        
  Isitshisi Umthwalo wobushushu: 1.5mw/iseti izinto ezidityanisiweyo   1  
  Ityhubhu yokuguqula ubushushu obuphezulu   I-HP-Nb      
  Umsila wengulube ongaphezulu   304SS   Iseti e-1  
  Umsila wengulube osezantsi   I-Incoloy   Iseti e-1  
  Isitshintshi sobushushu secandelo le-Convection          
    Ukufudumeza izinto ezixutyiweyo 304SS   Iqela eli-1  
    Ukufudumeza igesi yokuhambisa ukutya 15CrMo   Iqela eli-1  
    Ibhoyila yenkunkuma yegesi yolwelo 15CrMo   Iqela eli-1  
  Izinto ezininzi   I-Incoloy   Iqela eli-1  
2 Itshimini I-DN300 H=7000 20#   1  
    Ubushushu boyilo: 300 ℃        
    Uxinzelelo loyilo: uxinzelelo olujikelezayo        
3 Inqaba yokususa isalfurization Φ400 H=2000 15CrMo   1  
    Ubushushu boyilo: 400 ℃        
    Uxinzelelo loyilo: 2.0MPa        
4 Ibhoyila yenkunkuma yegesi yokuguqula Φ200/Φ400 H=3000 15CrMo   1  
    Ubushushu boyilo: 900 ℃ / 300 ℃        
    Uxinzelelo loyilo: 2.0MPa        
    Umthwalo wobushushu: 0.3mw        
    Icala elishushu: igesi yokuguqula ubushushu obuphezulu        
    Icala elibandayo: amanzi ebhoyila        
5 Impompo yokutya kwebhoyila Q=1m3/h 1Cr13   2 1+1
    Ubushushu boyilo: 80 ℃        
    Uxinzelelo lokungena: 0.01Mpa        
    Uxinzelelo lwe-outlet: 3.0MPa        
    Injini engangeni kuqhuma: 5.5kw        
6 I-preheater yamanzi ebhoyila Q=0.15MW 304SS/20R   1 Iphini yeenwele
    Ubushushu boyilo: 300 ℃        
    Uxinzelelo loyilo: 2.0MPa        
    Icala elishushu: igesi yokuguqula        
    Icala elibandayo: amanzi angenatyuwa        
7 Ukuhlaziya i-gas water cooler Q=0.15MW 304SS/20R   1  
    Ubushushu boyilo: 180 ℃        
    Uxinzelelo loyilo: 2.0MPa        
    Icala elishushu: igesi yokuguqula        
    Icala elibandayo: amanzi apholisayo ajikelezayo        
8 Ukuhlaziya isahluli samanzi segesi Φ300 H=1300 16MnR   1  
    Ubushushu boyilo: 80 ℃        
    Uxinzelelo loyilo: 2.0MPa        
    I-Demister: 304SS        
9 Inkqubo yokulinganisa i-phosphate Q235   Iseti e-1  
    I-Deoxidizer        
10 Itanki yokukhupha ityuwa Φ1200 H=1200 Q235   1  
    Ubushushu boyilo: 80 ℃        
    Uxinzelelo loyilo: uxinzelelo olujikelezayo        
11 Isixhobo sokucinezela igesi yendalo Umthamo wokukhupha umoya: 220m3 / h        
    Uxinzelelo lokufunxa: 0.02mpag        
    Uxinzelelo lokukhupha umoya: 1.7mpag        
    Ukuthambisa okungenaoyile        
    Imoto ethintela ukuqhuma        
    Amandla enjini: 30KW        
12 Itanki yesikhuseli segesi yendalo Φ300 H=1000 16MnR   1  
    Ubushushu boyilo: 80 ℃        
    Uxinzelelo loyilo: 0.6MPa        
Inxalenye ye-PSA          
1 Inqaba yokufunxa DN700 H=4000 16MnR   5  
    Ubushushu boyilo: 80 ℃        
    Uxinzelelo loyilo: 2.0MPa        
             
2 Itanki yesikhuseli segesi yokunyibilikisa I-DN2200 H=10000 20R   1  
    Ubushushu boyilo: 80 ℃        
    Uxinzelelo loyilo: 0.2MPa        

2.

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