Vacuum pressure swing adsorption (VPSA) ukadaulo wopanga mpweya ndi njira yabwino komanso yopulumutsira mphamvu pokonzekera mpweya. Imakwaniritsa kupatukana kwa okosijeni ndi nayitrogeni kudzera mwa kusankha kwa masieve a maselo. Kuyenda kwake kumaphatikizapo maulalo otsatirawa:
1. Yaiwisi mpweya mankhwala dongosolo
Kuponderezana kwa mpweya: Chowuziracho chimakanikizira mpweya wozungulira mpaka pafupifupi 63kPa (kuthamanga kwa gauge) kuti upereke mphamvu pakutsatsa kotsatira. Kuphatikizikako kumapangitsa kutentha kwambiri, komwe kumafunika kuziziritsidwa mpaka kutentha komwe kumafunikira (pafupifupi 5-40 ℃) ndi choziziritsira madzi.
Kuyeretsedwa koyambirira: Chosefera cha magawo awiri chimagwiritsidwa ntchito kuchotsa zonyansa zamakina, ndipo chowumitsa chimagwiritsidwa ntchito kuchotsa zowononga monga chinyezi ndi nkhungu yamafuta kuteteza adsorbent ya molecular sieve.
2. Adsorption kulekanitsa dongosolo
Dual tower alternating adsorption: Dongosololi lili ndi nsanja ziwiri za adsorption zokhala ndi sieve za zeolite. Pamene nsanja imodzi ikutsatsa, nsanja ina imapangidwanso. Mpweya wothinikizidwa umalowa pansi pa nsanjayo, ndipo sieve ya maselo imakonda kusokoneza zonyansa monga nayitrogeni ndi mpweya woipa, ndipo mpweya (kuyera 90% -95%) umachokera pamwamba pa nsanja.
Kuwongolera kupanikizika: Kuthamanga kwa adsorption nthawi zambiri kumasungidwa pansi pa 55kPa, ndipo kusintha kwadzidzidzi kumatheka kudzera mu mavavu a pneumatic.
3. Dongosolo la desorption ndi kusinthikanso
Vacuum desorption: Pambuyo pakuchulukira, pampu ya vacuum imachepetsa kuthamanga kwa nsanja mpaka -50kPa, imachotsa nayitrogeni ndikutulutsa mu exhaust muffler.
Oxygen purge: Pakapita nthawi yosinthika, mpweya wina wazinthu umayambitsidwa kuti usunthire nsanja ya adsorption kuti ipititse patsogolo luso la kutsatsa kwa mkombero wotsatira.
4.Product processing system
Mpweya wa okosijeni: Zinthu zomwe zimasiyanitsidwa ndi okosijeni zimasungidwa koyamba mu tanki yotchinga (kupanikizika kwa 14-49kPa), kenako kukanikizidwa kukakamiza kwa wogwiritsa ntchito ndi kompresa.
Chitsimikizo choyera: Kupyolera mu zosefera zabwino ndi kuwongolera koyenda bwino, kutulutsa kokhazikika kwa okosijeni kumatsimikizika.
5.Dongosolo lowongolera mwanzeru
Adopt PLC kuti igwire ntchito yokhayokha, yokhala ndi ntchito monga kuwunika kuthamanga, alamu yamavuto, kukhathamiritsa kwa kugwiritsa ntchito mphamvu, komanso kuthandizira kuwunika kwakutali.
Njirayi imayendetsa kuzungulira kwa adsorption-desorption kudzera pakusintha kwamphamvu. Poyerekeza ndi luso lakale la PSA, chithandizo cha vacuum chimachepetsa kwambiri kugwiritsa ntchito mphamvu (pafupifupi 0.32-0.38kWh/Nm³). Zakhala zikugwiritsidwa ntchito kwambiri muzitsulo, mankhwala, zamankhwala ndi zina, ndipo ndizofunikira makamaka pazochitika zapakati ndi zazikulu zomwe zimafunikira mpweya.
NUZHUO GROUP yadzipereka ku kafukufuku wogwiritsa ntchito, kupanga zida ndi ntchito zonse zamafuta olekanitsa mpweya wabwinobwino, kupereka mabizinesi apamwamba kwambiri komanso ogwiritsa ntchito gasi padziko lonse lapansi ndi mayankho oyenera komanso okwanira kuti athe kutsimikizira makasitomala kukwaniritsa zokolola zabwino. Ngati mukufuna kudziwa zambiri zofunika kapena zosowa, chonde omasuka kulankhula nafe
Zoey Gao
whatsapp 0086-18624598141
Wecaht 86-15796129092
Email zoeygao@hzazbel.com
Nthawi yotumiza: Apr-25-2025