Akụkọ

Nrụgide swing adsorption nitrogen mmepụta

na-eji ikuku dị ka akụrụngwa, carbon molecular sieve dị ka adsorbent, na-eji ụkpụrụ nke mgbali swing adsorption, ojiji nke carbon molecular sieve selectively adsorb oxygen na nitrogen kewaa nitrogen na oxygen, nke a na-akpọkarị PSA nitrogen.Usoro a bụ teknụzụ mmepụta nitrogen ọhụrụ nke mepụtara ngwa ngwa na 1970s.E jiri ya tụnyere usoro mmepụta nitrogen omenala, ọ nwere uru nke usoro nhazi dị mfe, ogo dị elu nke akpaaka, mmepụta gas ngwa ngwa (nkeji 15-30), obere ume ike, ịdị ọcha ngwaahịa nwere ike gbanwee n'ọtụtụ buru ibu dị ka mkpa onye ọrụ si dị, ọrụ na mmezi na-adaba adaba, na ịrụ ọrụ Site na njirimara nke ọnụ ala dị ala na ike mgbanwe siri ike, ọ na-asọmpi na akụrụngwa mmepụta nitrogen dị n'okpuru 1000Nm3 / h, ma na-ewu ewu na ndị ọrụ obere na ọkara nitrogen.Mmepụta nitrogen PSA abụrụla nhọrọ mbụ maka usoro ndị na-eji nitrogen obere na ọkara.

Cryogenic ikuku nkewa Nitrogen

Mmepụta nitrogen Cryogenic site na nkewa ikuku bụ usoro mmepụta nitrogen ọdịnala nwere akụkọ ihe mere eme nke ọtụtụ iri afọ.Ọ na-eji ikuku dị ka akụrụngwa, abịakọrọ ma dị ọcha, wee na-eji mgbanwe okpomọkụ mee ka ikuku banye ikuku mmiri mmiri.Ikuku Liquide bụ ngwakọta nke oxygen mmiri mmiri na nitrogen mmiri mmiri, na-eji isi ihe dị iche iche na-esi esi mmiri oxygen na mmiri mmiri nitrogen (na 1 ikuku, ebe esi nke mbụ bụ -183°C, nke ikpeazụ bụ -196°C). , site na mmezi nke Liquid Air, kewaa ha ka ha nweta nitrogen.Cryogenic ikuku nkewa nitrogen mmepụta ngwá bụ mgbagwoju, na-ekpuchi a nnukwu ebe, elu akụrụngwa na-akwụ ụgwọ, ọzọ otu oge akụrụngwa itinye ego, elu ọrụ ọnụ ahịa, ngwa ngwa mmepụta gas (12-24h), elu echichi chọrọ, na a ogologo okirikiri.Ngwá ọrụ zuru oke, ntinye na ihe akụrụngwa, akụrụngwa dị n'okpuru 3500Nm3 / h, ntinye ego nke ngwaọrụ PSA nke otu nkọwa ahụ bụ 20% -50% dị ala karịa nke ngwaọrụ nkewa ikuku cryogenic.Cryogenic ikuku nkewa nitrogen mmepụta akụrụngwa kwesịrị ekwesị maka nnukwu ụlọ ọrụ mmepụta nitrogen mmepụta, mgbe ọkara na obere-ọnụ ọgụgụ nitrogen mmepụta bụ uneconomical.

Membrane ikuku nkewa Nitrogen Mmepụta

N'iji ikuku dị ka ihe eji eme ihe, n'okpuru ọnọdụ nrụgide ụfọdụ, iji oxygen na nitrogen na gas ndị ọzọ nwere ihe dị iche iche dị na akpụkpọ ahụ nwere ọnụ ọgụgụ dị iche iche nke permeation iji kewaa oxygen na nitrogen.Tụnyere akụrụngwa mmepụta nitrogen ndị ọzọ, ọ nwere uru nke usoro dị mfe, obere olu, enweghị valvụ na-agbanwe, obere mmezi, mmepụta gas ngwa ngwa (≤3 nkeji), yana ịgbasa ikike dị mma.Ọ dabara nke ọma maka ịdị ọcha nitrogen ≤ 98% nke ndị ọrụ ọkara na obere nitrogen nwere oke ọnụahịa na-arụ ọrụ kacha mma.Mgbe ịdị ọcha nitrogen dị n'elu 98%, ọnụahịa ya karịrị 15% dị elu karịa onye na-emepụta nitrogen PSA nke otu nkọwapụta.