Ụlọ ọrụ ihe ọkụkụ dị elu nke China Cryogenic LNG - 134 ~ 200 TPD LNG liquefaction osisi - Rongteng

Nkọwa nke usoro ọ bụla

Nri gas filtration nkewa na nrụgide na-achịkwa unit

1) Nkọwa usoro

The nri eke gas si upstream aga site pipeline na a mgbali nke 5.0 ~ 6.0MpaG abanye nri gas inlet filter separator mgbe nrụgide na-achịkwa, na-abanye na ala usoro mgbe nkewa na metering.

Akụrụngwa bụ isi bụ nri gas filter separator, flowmeter, onye na-ahụ maka nrụgide, wdg.

2) Mepụta parameters

Ike nhazi: 20×10⁴Nm³/ ụbọchị

Oke mgbanwe: 50% ~ 110%

Usoro ọgwụgwọ mbụ

Ngalaba deacidification nri gas

1) Nkọwa usoro

Ihe oriri gas sitere na elu na-abanye na ngalaba gas deacidification, nke na-eji ngwọta MDEA wepụ gas acid dị ka CO.₂na H₂S na nri gas.

Gas na-esi n'okike na-abanye n'akụkụ ala nke onye na-agbapụta ihe (ụlọ elu na-ekpo ọkụ) ma na-agafe ihe na-ekpuchi ya site na ala ruo n'elu; Ngwọta MDEA a na-emezigharị nke ọma (ihe ngwọta dabere) na-esi n'akụkụ elu nke onye na-ekpuchi ihe na-agafe ma na-agafe n'elu na ala. A na-akpọtụrụ ihe ngwọta MDEA na-atụgharị na gas na-ekpo ọkụ na ihe ntinye, CO₂na gas na-etinye uche ma na-abanye na mmiri mmiri mmiri, na ihe ndị na-adịghị ahụkebe na-esi n'elu nke ihe mkpuchi ahụ pụta ma banye na decarbonization gas cooler na separator. The gas si decarbonization gas separator abanye na ndepụta gas mercury mwepụ unit, na condensate na-aga na flash tank.

Ihe omuma nke CO₂na mesoo eke gas bụ ihe na-erughị 50ppmv.

Ọnụ ego nke MDEA Solution absorbing Co., Ltd₂a na-akpọ ngwọta bara ọgaranya, nke a na-ezigara na ụlọ elu ọkụ, na gas na-egbuke egbuke nke ịda mbà n'obi na-ezigara na usoro mmanụ ọkụ. Mgbe mgbanwe okpomọkụ dị n'etiti mmiri ọkụ bara ụba na ihe ngwọta (mmiri mmiri na-adabere na ya) na-esi na ala nke ụlọ elu na-emegharị ahụ, bulie okpomọkụ ruo ~ 98 ℃ ruo n'akụkụ elu nke ụlọ elu ahụ, ma na-eme ihe na-ekpo ọkụ n'ime ụlọ elu na-emegharị ahụ ruo mgbe ogo dị ala nke mmiri mmiri na-adabere na index.

Mmiri mmiri na-adịghị ahụkebe sitere na ụlọ elu nrụpụta ọhụrụ na-agafe n'ime igwe na-ekpo ọkụ na-ekpo ọkụ na nke dara ogbenye na ngwa nju oyi. A na-eme ka mmiri dị nro dị jụụ ruo ~ 40 ℃, na-agbanye ya site na mgbapụta mmiri mmiri na-adabere na ya wee banye n'akụkụ elu nke ụlọ elu absorption.

Mmiri na-emepụta ihe na n'elu ụlọ elu regeneration na-abanye na acid gas separator site na onye na-ekpo ọkụ acid gas, gas sitere na gas gas separator na-ezigara na usoro ikuku gas gas, na condensate na-ezigara na flash separator mgbe a na-agbanye ya site na mgbapụta mgbake.

A na-ekpo ọkụ na-ekpo ọkụ nke reboiler nke ụlọ elu regeneration site na mmanụ na-ebufe ọkụ. Akụrụngwa akụrụngwa nke ngalaba a bụ ụlọ elu absorption na ụlọ nrụpụta ọhụrụ.