Yadda ake zaɓar janareta mai dacewa da nitrogen

Kafin a tantance takamaiman takamaiman samfurin (misali Samar da Nitrogen a kowace awa, tsarkin nitrogen, matsin lamba daga fitarwa, wurin raɓa), ya kamata mu mai da hankali kan cikakken nazarin kwatantawa na aiki da halaye najanareta na nitrogen, kuma ku yi zaɓin da ya dace bisa ga yanayin muhallin da muke ciki.

Bukatun nitrogen a cikin masana'antu daban-daban

A, Masana'antun sarrafa ƙarfe da ƙarfe

Wasu daga cikin waɗannan masana'antu suna buƙatar nitrogen mai tsarki fiye da 99.5%, yayin da wasu kuma suna buƙatar nitrogen mai inganci tare da tsarki fiye da 99.9995% da kuma wurin dew ƙasa da -65°C. Ya kamata a tantance wannan bisa ga yanayin samar da abokin ciniki.

B, Masana'antu na Sinadarai da Sabbin Kayan Aiki

Gabaɗaya, buƙatun tsarkakewar nitrogen ba su da yawa, kuma ana iya amfani da yawancin tsarkakakkun abubuwa fiye da kashi 98%. Duk da haka, ainihin buƙatun ya dogara ne akan tsarin samar da abokin ciniki.

C, Masana'antun abinci da magunguna

Yawancin masana'antun abinci ba su da babban buƙatar nitrogen, kuma tsarkin kashi 99.5% ~ 99.9% zai iya cika buƙatun. Ƙananan masana'antun abinci dole ne su zaɓi tsarkin kashi 99.99% saboda buƙatun sarrafawa. Masana'antar magunguna yawanci tana buƙatar tsarkin nitrogen na kashi 99.99% kuma tana buƙatar a yi ta da bakin ƙarfe.

d Masana'antar lantarki

Gabaɗaya, buƙatun nitrogen suna da yawa, kuma yawanci ana buƙatar tsarkin nitrogen na kashi 99.99% ko sama da haka.

Kwatanta tsakanin nau'ikan daban-daban Manhajar Nitrogens

A, janareta nitrogen mai raba iska mai ban mamaki

Samar da sinadarin nitrogen na rabuwar iska ta Cryogenic wata hanya ce ta samar da sinadarin nitrogen ta gargajiya wadda ta shafe kusan shekaru da dama tana aiki. Tana amfani da iska a matsayin kayan da aka samar, tana matsewa da kuma tsarkake ta, sannan tana amfani da musayar zafi don fitar da iska zuwa iska mai ruwa. Iskar ruwa galibi cakuda ce ta ruwa da sinadarin nitrogen na ruwa. Ana amfani da ma'aunin tafasa daban-daban na iskar oxygen da sinadarin nitrogen na ruwa (a yanayi 1, wurin tafasa na farko shine -183℃ kuma na biyu shine -196℃) don raba su ta hanyar tace iskar ruwa don samun nitrogen. Kayan aikin samar da sinadarin nitrogen na rabuwar iska ta Cryogenic yana da rikitarwa, yana mamaye babban yanki, yana da tsadar kayayyakin more rayuwa mai yawa, yana buƙatar ƙarin saka hannun jari sau ɗaya a kayan aiki, yana da tsadar aiki mai yawa, samar da iskar gas mai jinkirin aiki (awanni 12 zuwa 24), yana da manyan buƙatun shigarwa, da kuma dogon zango. Idan aka yi la'akari da abubuwan kayan aiki, shigarwa da kayayyakin more rayuwa, girman saka hannun jari na kayan aikin PSA tare da takamaiman bayanai iri ɗaya a ƙasa da 3500Nm3/h ya fi ƙasa da kashi 20 zuwa 50% fiye da na kayan aikin rabuwar iska ta cryogenic. Kayan aikin samar da nitrogen na raba iska mai ƙarfi na Cryogenic sun dace da manyan masana'antu na samar da nitrogen, yayin da samar da nitrogen na matsakaici da ƙananan ba shi da arha.

B, PSA matsi lilo sha nitrogen janareta

Hanyar amfani da iska a matsayin kayan albarkatun ƙasa, sieve na ƙwayoyin carbon a matsayin mai shaƙatawa, amfani da ƙa'idar shaƙar matsi, da kuma amfani da zaɓaɓɓen shaƙar iskar oxygen da nitrogen ta hanyar sieve na ƙwayoyin carbon don raba nitrogen da oxygen gabaɗaya ana kiranta da Samar da sinadarin nitrogen na PSAWannan hanya sabuwar fasahar samar da nitrogen ce wadda ta bunƙasa cikin sauri a shekarun 1970. Idan aka kwatanta da hanyoyin samar da nitrogen na gargajiya, tana da halaye na sauƙin tafiyar da tsari, babban matakin sarrafa kansa, samar da iskar gas mai sauri (minti 15-30), ƙarancin amfani da makamashi, ana iya daidaita tsarkin samfura cikin babban kewayon gwargwadon buƙatun mai amfani, aiki mai sauƙi da kulawa, ƙarancin kuɗin aiki, ƙarfin daidaitawar na'ura, da sauransu. Saboda haka, tana da gasa sosai a cikin kayan aikin samar da nitrogen ƙasa da 1000Nm3/h, kuma masu amfani da nitrogen matsakaici da ƙananan suna maraba da ita. Natrogen Psa samarwa ya zama hanya ga masu amfani da sinadarin nitrogen matsakaici da ƙananan.

C, Mai samar da sinadarin nitrogen na rabuwar membrane

Amfani da iska a matsayin kayan aiki, a ƙarƙashin wasu yanayi na matsin lamba, iskar oxygen da nitrogen suna rabuwa ta hanyar amfani da nau'ikan iskar gas daban-daban waɗanda ke da halaye daban-daban kamar iskar oxygen da nitrogen a cikin membrane. Idan aka kwatanta da sauran kayan aikin samar da nitrogen, yana da fa'idodin tsari mai sauƙi, ƙaramin girma, babu bawul ɗin canzawa, ƙarancin kulawa, samar da iskar gas cikin sauri (≤ mintuna 3), da faɗaɗa ƙarfin aiki mai dacewa. Ya dace musamman ga masu amfani da nitrogen matsakaici da ƙananan tare da tsarkin nitrogen ≤98%, kuma yana da mafi kyawun rabon farashi-aiki. Lokacin da tsarkin nitrogen ya wuce kashi 98%, farashinsa ya fi kashi 15% sama da na masu samar da nitrogen na PSA masu takamaiman halaye iri ɗaya.

Abubuwan da ke shafar farashin samar da sinadarin nitrogen

1. Kudin siyan tsarin sau ɗaya. A halin yanzu, akwai samfuran samfura da yawa a kasuwa, kuma ingancin yana daidai da farashin.

2. Kwanciyar aikin kayan aiki da kuma tsawon lokacin da aka kiyasta na sabis.

3.Kudin aiki da kulawa na shekara-shekara.

4.Kudin ruwa da wutar lantarki na yau da kullun.