Oxygen concentrators-tseem hu ua tsev-siv molecular sieve oxygen generators los yog portable oxygen concentrators-fundamentally ua hauj lwm raws li lub hauv paus ntsiab lus ntawm Pressure Swing Adsorption (PSA). Siv cov huab cua puag ncig los ua cov khoom siv raw thiab tsis tas yuav muaj tshuaj ntxiv, cov khoom siv no -thaum siv hluav taws xob hauv chav sov- siv cov molecular sieves rau adsorb nitrogen thiab lwm yam roj, yog li sib cais thiab rho tawm cov pa nrog purity ntawm 93% ± 3% ntawm huab cua. Raws li lawv qhov siab tshaj plaws oxygen tso zis tus nqi ib feeb, cov khoom siv no tau muab faib ua 1L, 3L, 5L, thiab 10L qauv.
Xyoo 1886, Brin cov kwv tij tau tsim cov txheej txheem Brin rau kev tsim cov pa oxygen thiab qhia thawj lub tshuab hluav taws xob sib cais oxygen. Los ntawm lub xyoo pua 20th, cryogenic distillation oxygen generators tau dhau los ua cov khoom siv tseem ceeb rau kev tsim cov pa oxygen. Nyob rau tib lub sij hawm no, portable oxygen concentrators ntsib ib tug luv luv resurgence. Nyob rau hauv nruab nrab-rau- lig xyoo pua 20, qhov pib ntawm Med-Ox Duo Par- dual-function oxygen generator- cim qhov pib ntawm txoj kev mus rau qhov kev siv me me thiab kev siv cov pa oxygen concentrators. Xyoo 1956, Hangyang Group Co., Ltd. (yav tas los Zhejiang Iron Works) tau ua tiav zoo tsim Tuam Tshoj thawj zaug ua tiav cov cuab yeej sib cais huab cua muaj peev xwm ua tau 30 m³ ntawm oxygen ib teev. Los ntawm 1975, me me - nplai PSA oxygen units tau raug coj los siv dav hauv tsev kho mob. Xyoo 1984, Kratz thiab Sircar tau ua daim ntawv patent rau lub tsev - siv cov pa oxygen concentrator. Xyoo 1993, American Society for Testing and Materials (ASTM) tau tshaj tawm cov qauv qhia F1464-1993 rau kev kho mob oxygen concentrators. Xyoo 1996, Lub Koom Haum Thoob Ntiaj Teb rau Standardization (ISO) tau luam tawm ISO 8359: 1996, tus qauv kev nyab xeeb rau kev kho mob oxygen concentrators. Xyoo 1998, Tuam Tshoj tau tshaj tawm nws thawj tus qauv kev lag luam rau kev kho mob oxygen concentrators: YY / T 0298-1998, "Cov Lus Qhia Tshwj Xeeb rau Kev Kho Mob Molecular Sieve Oxygen Generating Equipment." Nyob nruab nrab ntawm xyoo 2014 thiab 2021, Tuam Tshoj cov txiaj ntsig txhua xyoo ntawm cov pa oxygen concentrators tau nce los ntawm 197,600 units mus rau 4.16 lab units.
Oxygen concentrator thev naus laus zis nyob hauv qhov chaw tshwj xeeb ntawm Pressure Swing Adsorption (PSA), Nqus Siab Swing Adsorption (VPSA), thiab kev tswj xyuas ntse. Kev tsim khoom lag luam tam sim no iterating mus rau ntau dua portability thiab lub zog efficiency, nrog rau kev siv txuas mus rau thoob plaws cov kev kho mob thiab kev kho mob sectors (tshwj xeeb hauv tsev oxygen therapy), industrial ntau lawm (xws li hlau ua), thiab cov teb ntawm lub zog tshiab thiab kev tiv thaiv ib puag ncig.
