VPSAO vacuum pressure swing adsorption okisijeni kugadzira michina

Tsanangudzo Pfupi

Zvinhu zvikuru zviri mumhepo nitrogen uye okisijeni, kushandisa ambient tembiricha, nitrogen uye okisijeni mumhepo mu zeolite molecular sieve (ZMS) adsorption kuita kwakasiyana (okisijeni inogona kupfuura uye nitrogen adsorption), kugadzira nzira yakakodzera, uye kuita nitrogen uye okisijeni kupatsanurwa kuwana oxygen.

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Kushanda musimboti

Zvinhu zvikuru zviri mumhepo nitrogen uye okisijeni, kushandisa ambient tembiricha, nitrogen uye okisijeni mumhepo mu zeolite molecular sieve (ZMS) adsorption kushanda kwakasiyana (okisijeni inogona kupfuura uye nitrogen adsorption), kugadzira nzira yakakodzera, uye kuita nitrogen uye okisijeni kupatsanurwa kuwana oxygen.Nitrogen pa zeolite molecular sieve sieve simba, nani molecular sieve adsorp (oxygen surface sieve) apo kudzvinyirirwa kwemhepo munyika ine zeolite molecular sieve adsorbent adsorption bed, nitrogen ne molecular sieve adsorption, shoma okisijeni neadsorption, concentration uye kuyerera mugas phase adsorption bed, the oxygen and nitrogen kupatsanurwa kweokisijeni. adsorption nitrogen shanduko yakagadziriswa, molecular sieve regeneration uye inogona kushandiswa zvakare.Kana maviri kana kupfuura adsorption mibhedha inoshandura basa pamwe chete, okisijeni inogona kuramba ichigadzirwa.

Oxygen uye nitrogen zvine mazinga akafanana ekubikira, izvo zvinoita kuti zvive zvakaoma kuparadzanisa, uye zvakafumiswa pamwe chete mumhepo.Saka, psa oxygen midziyo yekugadzira inogona kazhinji kuwana 90-95% oksijeni (yakanyanyisa kuipa kweokisijeni ndeye 95.6%, iyo yose ndeye argon), inozivikanwawo seokisijeni yakawanda.Kuenzaniswa ne-cryogenic air separation units, iyo yekupedzisira 99 inogona kubudisa yakawanda.5.

Device process

Iyo adsorption bed ye psa air separation oxygen plant inofanira kuva nematanho maviri ekushanda.Adsorption uye resolution.Kuti urambe uchiwana gasi rechigadzirwa, kazhinji mabhedha anopfuura maviri adsorption anoiswa mumudziyo wekugadzirwa kweokisijeni, uye kubva pakuona kwekushandiswa kwesimba uye kugadzikana, mamwe matanho anodiwa anobatsira anogadziriswa. regeneration, flushing replacement and pressure equalization inowedzera nhanho, periodic inodzokororwa oparesheni. Panguva imwecheteyo, yega yega adsorption bed inoteedzana mumatanho akasiyana ekushanda, pasi pekutonga kwePLC timing switch, zvekuti akati wandei adsorption bed coordinated operation, in practice is staggered each other, so that pressure swing adsorption device inogona kumhanya mushe, kuenderera mberi kwemhepo kunowanikwa.O Separation process.Carbon dioxide nemvura muyakajairika adsorbent adsorption capacity inowanzova yakakura kudarika nitrogen neoxygen, inogona kuzadzwa mumubhedha weadsorption ine adsorbent yakakodzera (kana kushandisa oxygen adsorbent pachayo) kuti iite adsorption nekubvisa.

Huwandu hwe adsorption shongwe dzinodiwa neakisijeni yekugadzira mudziyo zvinoenderana nehukuru hwekugadzirwa kweokisijeni, adsorbent kuita uye maitiro ekugadzira mazano. Kugadzikana kwekushanda kwekushanda kwe-multi-tower kunenge kuri nani, asi mari yemidziyo yakakwira.Maitiro azvino ndeekushandisa maokisijeni emushonga wepamusoro-soro kuderedza kuwanda kweshongwe dzeadsorption uye kushandisa mapfupi ekushandisa mashandiro ekudyara uye kuderedza mari.

Unyanzvi hunoita

1. Nyore nzira kuyerera mudziyo

2. chiyero chekugadzirwa kweokisijeni pasi pe10000m3 / h, kushandiswa kwesimba rekugadzirwa kweokisijeni kwakaderera, kushoma mari;

3 huwandu hweinjiniya yehurumende idiki, kutenderera kutenderera kwechigadzirwa kupfupi pane cryogenic mudziyo;

4. Mutengo wakaderera wekushanda kwechigadzirwa nekugadzirisa;

5. dhigirii yakakwira yeautomation yekushanda kwechishandiso, nyore uye nekukurumidza kutanga uye kumira, vashoma vashandisi;

6. kushanda kwechigadzirwa chacho kwakagadzikana uye kwakachengeteka;

7. kushanda kuri nyore, zvikamu zvikuru zvinosarudzwa pasi rose vanozivikanwa vagadziri;

8. kushandisa yekutanga kunze kwenyika oxygen molecular sieve, kushanda kwepamusoro uye hupenyu hurefu hwebasa;

9. kushanduka kwakasimba kwekushanda (yepamusoro mutoro mutsetse, kukurumidza kutendeuka kukurumidza).

Technical zviratidzo

Product scale	100-10000Nm3/h
Okisijeni kuchena	≥90-94%, inogona kugadziriswa muhuwandu hwe30-95% maererano nezvinodiwa nemushandisi.
Oxygen simba rekushandisa	kuchena kweokisijeni mu90%, yakashandurwa kuita yakachena okisijeni simba rekushandisa kwe0.32-0.37KWh/ Nm3
Oxygen pressure	≤20kpa (yakanyanya kubhadharwa
Simba regore	≥95%