(2) Ngwaọrụ mwepụta sulfur gas sitere n'okike
Gas ndị na-eri nri na-abanye nkeji mwepụ gas eke otu a. Nke a na-eji ngwọta MDEA ewepụ gas acidic dịka CO2 na H2S na gas nri.
Gas sitere n'okike na-esi n'akụkụ ala nke ụlọ elu nnabata abanye ma na-agafe site n'ala ruo n'elu; mmiri MDEA emegharịrị nke ọma (mmiri dị nro) na-esi n'akụkụ elu nke ụlọ elu nnabata abanye ma na-agafe site n'elu ruo na ala. Mmiri MDEA na gas sitere n'okike na-asọ n'akụkụ nke ọzọ dị n'ụlọ elu nnabata. Mgbe emechara njikọ zuru oke, CO2 na H2A na-amịkọrọ gas ahụ ma banye n'ọkwa mmiri mmiri. A na-ebuga ihe ndị a na-amịkọrọghị site n'elu ụlọ elu nnabata ahụ wee banye na igwe oyi na ihe nkewa gas desulfurization. Gas ahụ nke na-ahapụ ihe nkewa gas desulfurization na-abanye na ngwaọrụ mmiri mmiri sieve molekul, condensate ahụ na-agakwa na tankị flash.
H2Ọdịnaya S dị n'ime ihe e ji aka rụọ arụ ọrụ erughị 5 mg/Sm3.
MDEA nke amịkọrọ H2A na-akpọ S mmiri mmiri bara ụba ma a na-eziga ya na ụlọ elu mmiri ọkụ. A na-eziga gas sitere n'okike nke na-apụta site na mwepu nrụgide na sistemụ mmanụ. Mgbe mmiri mmiri bara ụba nke na-enwu enwu gbanwere okpomọkụ na mmiri mmiri (mmiri dị nro) na-esi n'ala ụlọ elu mweghachi ahụ pụta, a na-ebuli okpomọkụ ahụ ruo ~98°C ruo n'akụkụ elu nke ụlọ elu mweghachi ahụ, ebe a na-ewepụ ihe na imeghari ya na ụlọ elu mweghachi ahụ ruo mgbe ọkwa mmiri mmiri dị nro nke mmiri mmiri ahụ ruru ebe a chọrọ ya.
Mmiri mmiri dị nro nke na-esi n'ụlọ elu mmeghari ahụ apụta na-agafe n'ime ihe na-agbanwe okpomọkụ mmiri dị ala na ihe na-ajụ oyi mmiri dị nro. Mmiri mmiri dị nro ahụ na-ajụ oyi ruo ~ 104°F. Mgbe ọkpọ mmiri mmiri dị nro ahụ kụchara ya, ọ na-esi n'elu ụlọ elu nnabata ahụ abanye.
Gas dị n'elu ebe a na-esi ekpo ọkụ nke ụlọ elu mmeghari ahụ agafee site na igwe oyi carbon dioxide wee banye na ihe nkewa carbon dioxide. A na-eziga gas nke na-esi na ihe nkewa carbon dioxide apụta na sistemụ mmepụta carbon dioxide. A na-etinye nrụgide nke ihe na-eme ka mmiri ahụ dị n'ime mmiri ma zigara ya na ụlọ elu mmeghari ahụ.
Isi iyi okpomọkụ nke ihe na-eku ume nke ụlọ elu mmeghari ohuru na-enye site na mmanụ nnyefe okpomọkụ dị n'etiti site na sistemụ mmanụ nnyefe okpomọkụ.
A na-ewepụta gas asịd nke sistemụ desulfurization wepụrụ ozugbo n'ime ikuku. N'ụzọ bụ isi, a naghị ewepụta mmiri mkpofu ọ bụla, a na-ewepụtakwa mmiri gas asịd ahụ wepụrụ site na sistemụ nhazi mmiri e tinyere nnu; mmiri nke sistemụ desalted wepụrụ na-abanye na sistemụ nhazi mmiri nsị site na sistemụ mwepụ mechiri emechi ma na-apụ mgbe ọ gachara ọgwụgwọ ahụ.
(3) Mmiri gas sitere n'okike kpọrọ nkụ ngwaọrụ
Ngwaọrụ a na-eji teknụzụ nnabata okpomọkụ maka nkewa na nhicha gas. Teknụzụ nnabata okpomọkụ dabere na nnabata anụ ahụ nke molekul gas n'elu ime nke nnabata ahụ (ihe siri ike na-agbawa agbawa). Ike nnabata nke nnabata maka gas na-agbanwe site na okpomọkụ na nrụgide nnabata. N'ọnọdụ na nnabata ahụ na-amịkọrọ akụkụ gas dị iche iche, ọ na-amịkọrọ ụfọdụ akụkụ dị na gas agwakọtara na obere okpomọkụ na nrụgide dị elu, ihe ndị a na-amịkọrọ na-asọpụtakwa site na oyi akwa nnabata ahụ, ma na-ewepụ akụkụ ndị a na-amịkọrọ na okpomọkụ dị elu na nrụgide dị ala. Maka nnabata okpomọkụ dị ala na nrụgide dị elu na-esote, enwere ike iji ọtụtụ ụlọ elu nnabata iji mezuo ebumnuche nke nkewa gas na-aga n'ihu.
Ihe nri gas ihicha unit E nwere ihe ndọpụ atọ maka ọrụ mgbanwe, gụnyere otu maka ịmịnye ọbara, otu maka ịfụ oyi, na otu maka ikpo ọkụ na imeghari ahụ.
Ngwa nkụ gas nri na-eji obere gas nri dị ka ihe na-efe efe na ihe na-eme ka ọ dịghachi ọhụrụ. Mgbe gas ọhụrụ ahụ si n'ụlọ elu a na-eme ka ọ dị jụụ ma kewaa ya, a na-etinye ya na ihe na-akwalite ya ma ziga ya n'ụlọ elu a na-eme ka ọ dị jụụ maka ịmịkọrọ ya.
Gas ọhụrụ ahụ na-ebu ụzọ gafere site na ihe na-eme ka ihe jụrụ oyi site n'elu ruo ala. Mgbe ahụ, a na-ekpo ọkụ gas ọhụrụ ruo na okpomọkụ nke 392~428 ° F site na ihe na-ekpo ọkụ maka ihe na-eme ka ihe ghara ịdị ọcha, wee banye site na ala ihe na-eme ka ihe ghara ịdị ọcha iji wepụ mmiri nke ihe na-eme ka ihe ghara ịdị ọcha juru. Gas ọhụrụ ahụ na-esi n'elu ihe na-akpọ nkụ apụta, ihe na-eme ka ihe ghara ịdị ọcha jụọ oyi, wee banye na ihe na-ekewa gas ọhụrụ. Mgbe e kewapụrụ mmiri ahụ, ọ na-abanye na supercharger ma a na-akpọgide ya ma ziga ya na ụlọ elu ihe na-eme ka ihe ghara ịdị ọcha ghara ịdị.
Mgbe ọ gafere na nkeji a, mmiri dị na gas akọrọ bụ ≤ 15 ppm.
Kpọtụrụ:
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Adreesị: Nkebi nke 8, Nkebi nke 2 nke Ụzọ Tengfei, Mpaghara Shigao, Mpaghara Ọhụrụ Tianfu, obodo Meishan, Sichuan China 620564
Oge ozi: Jenụwarị-24-2024