Anyị emechaala mmepụta na nnyefe nke 300Nm3/h nke ụlọ ọrụ mmepụta hydrogen gas methane nke Sinopec kesara nke ọma. N'ebe a, achọrọ m inye obere okwu gbasara usoro mmepụta hydrogen site na gas eke.
Site na mmụba nke oriri ike, ịchọta ike ọhụrụ aghọwo ọrụ dị mkpa. Dịka ike kachasị ike, hydrogen nwere ọtụtụ ebe, ọ fọrọ nke nta ka ọ ghara inwe mmetọ, arụmọrụ mgbanwe dị elu na atụmanya ngwa ngwa sara mbara. Mmepụta hydrogen site na gas eke nwere ike ibelata nsogbu ike China ruo n'ókè ụfọdụ ma kwalite mgbanwe nke usoro ojiji ike China.
Akwụkwọ a ga-elekwasị anya n'ụkpụrụ mmepụta hydrogen site na gas eke, usoro na teknụzụ nke mmepụta hydrogen site na gas eke, nhazi nke teknụzụ mmepụta hydrogen site na gas eke na akaụntụ ọnụ ahịa nke mmepụta hydrogen site na gas eke.
1 Ụkpụrụ na usoro nke mmepụta hydrogen site na gas eke
1.1Ụkpụrụ nke mmepụta hydrogen site na gas eke
Ụkpụrụ nke usoro mmepụta hydrogen gas sitere n'okike bụ ịmalite ọgwụgwọ gas sitere n'okike, wee gbanwee methane na steam ka ọ bụrụ carbon monoxide na hydrogen n'ime onye na-agbanwe ihe, ma gbanwee carbon monoxide ka ọ bụrụ carbon dioxide na hydrogen n'ime ụlọ elu mgbanwe mgbe eweghachitere okpomọkụ mkpofu. A na-emezu ntọala nke teknụzụ usoro a dabere na teknụzụ mgbanwe steam gas sitere n'okike. N'ime ụlọ elu mgbanwe, a na-achịkwa okpomọkụ mmeghachi omume n'ihu catalyst, carbon monoxide dị na gas mgbanwe na-emeghachi omume na mmiri iji mepụta hydrogen na carbon dioxide.
N'okpuru nrụgide na okpomọkụ kwesịrị ekwesị, alkanes dị na gas eke ga-enweta usoro mmeghachi omume kemịkalụ iji mepụta gas ntụgharị. Mgbe gas ntụgharị gafere na ngwaọrụ PAS nke nwere ọtụtụ ihe ndọpụ dị iche iche n'okpuru njikwa akpaka, ụlọ elu nnabata ga-amịkọrọ carbon monoxide, carbon dioxide na ihe ndị ọzọ na-adịghị ọcha, a ga-ezigakwa hydrogen na ngalaba na-eri gas iji dọpụta ihe na-adọrọ adọrọ nke ihe ndị na-adịghị ọcha. Mgbe e wepụsịrị ya, a pụrụ izipu gas nyocha ahụ na ọkụ mgbanwe dị ka mmanụ ọkụ, a pụkwara imegharị ihe na-adọrọ adọrọ ahụ.
Usoro mmeghachi omume bụ isi dị ka ndị a:
Mmiri na gas sitere n'okike na-emeghachi omume na 800 ~ 900 ℃ na ihe na-akpali nickel oxide iji mepụta carbon monoxide na hydrogen.
Usoro mmeghachi omume bụ: CH4 + H2O → CO + H2-Q
Carbon monoxide na mmiri na-emeghachi omume na 300-400 ℃ site na iji ferric oxide catalyst iji mepụta carbon dioxide na hydrogen.
Usoro mmeghachi omume bụ: CO + H2O → CO2 + H2 + Q
Na mgbakwunye, ihe achọrọ maka ndeksi teknụzụ dị mkpa n'usoro nkwadebe bụ ndị a:
Nrụgide ahụ na-abụkarị 1.5 ~ 2.5 MPa, ebe oriri nke gas sitere n'okike bụ 0.4 ~ 0.5 m3 / m3 hydrogen; Oge ọrụ: > 8000h; Nhazi ụlọ ọrụ: 1000 m3 / H ~ 100000 m3 / h.
1.2 Usoro mmepụta hydrogen gas sitere n'okike
Usoro mmepụta hydrogen nke gas eke gụnyere usoro anọ: ọgwụgwọ gas tupu oge eruo, mgbanwe uzuoku gas eke, mgbanwe carbon monoxide na nhicha hydrogen.
Nzọụkwụ mbụ bụ usoro ọgwụgwọ tupu ihe ndị e ji emepụta ihe. Ọgwụgwọ tupu ihe ndị a na-eme ebe a na-ezo aka na mwepụ nke gas ndị e ji emepụta ihe. N'ọrụ usoro ahụ n'ezie, a na-ejikarị zinc oxide nke gas eke cobalt molybdenum hydrogenation series mee ihe dị ka desulfurizer iji gbanwee sọlfọ organic dị na gas eke ka ọ bụrụ sọlfọ na-adịghị ahụkebe wee wepụ ya. Mmiri gas eke a na-eme ebe a dị ukwuu, yabụ enwere ike iji isi iyi gas eke nwere nrụgide dị elu ma ọ bụ tụlee nnukwu oke mgbe ị na-ahọrọ compressor gas eke.
Nzọụkwụ nke abụọ bụ mgbanwe uzuoku nke gas eke. A na-eji ihe na-akpali nickel eme ihe na reformer iji gbanwee alkanes dị na gas eke ka ọ bụrụ gas nri nwere ihe ndị bụ isi nke carbon monoxide na hydrogen.
Mgbe ahụ, a na-agbanwe carbon monoxide ka ọ meghachi omume na uzu mmiri n'ihu ihe na-akpali akpali iji mepụta hydrogen na carbon dioxide iji nweta gas ntụgharị nke ihe ndị bụ isi bụ hydrogen na carbon dioxide. Dịka okpomọkụ mgbanwe dị iche iche si dị, enwere ike kewaa usoro ntụgharị nke carbon monoxide n'ụdị abụọ: mgbanwe okpomọkụ etiti na mgbanwe okpomọkụ dị elu. Okpomọkụ mgbanwe okpomọkụ dị elu dị ihe dị ka 360 ℃, usoro mgbanwe okpomọkụ etiti dịkwa ihe dị ka 320 ℃. Site na mmepe nke usoro mgbochi teknụzụ, a na-anabata usoro nhazi usoro abụọ nke mgbanwe okpomọkụ dị elu na mgbanwe okpomọkụ dị ala na mgbanwe okpomọkụ dị ala n'afọ ndị na-adịbeghị anya, nke nwere ike ịchekwa oriri nke akụrụngwa. Agbanyeghị, maka ikpe na ọdịnaya carbon monoxide dị na gas ntụgharị adịghị elu, naanị mgbanwe okpomọkụ etiti ka enwere ike ịnabata.
Nzọụkwụ ikpeazụ bụ ime ka hydrogen dị ọcha. Ugbu a, sistemụ nhicha hydrogen kachasị eji eme ihe bụ sistemụ PAS, nke a makwaara dị ka sistemụ nhicha na nkewa PSA. Sistemụ a nwere obere oriri ike, usoro dị mfe na ịdị ọcha dị elu nke mmepụta hydrogen. N'elu kachasị elu, ịdị ọcha nke hydrogen nwere ike iru 99.99%.
Oge ozi: Nọvemba-11-2021