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Cryogenic liquid oxygen plant (cryogenic liquid oxygen siamna hmanrua tia hriat bawk) hi cryogenic air separation principle hmanga siam, liquid oxygen chu core output product atan hmanraw lian tak-scale complete set a ni.
A bulpui ber chu boruak chu compress, tihthianghlim leh thuk taka tihlum a, chutah chuan oxygen leh nitrogen chu two-stage distillation hmangin thliar hran a, a tawpah chuan high-purity oxygen inthen chu liquefy-in low-temperature storage tank-ah dah a ni.
A chhunzawm zel leh nghet takin high-purity liquid oxygen a siam thei a, industrial leh civil field-a liquid oxygen supply lian tak tak -scale atana hmanraw pawimawh ber a ni bawk.
Hnathawh dan tur principle
Plant hnathawh dan hi core link pasarih ah then a ni a, chungte chu air compression → pre-cooling → purification → deep cooling → distillation separation → oxygen liquefaction → liquid oxygen storage & output te an ni
Air compression a awm chuan:Atmospheric air chu air compressor ah a suck lut a, 0.6 ~ 1.2 MPa ah compress a ni. Compressed air chu aftercooler hmangin a lum a, compression atanga lumna lo chhuak chu a paih chhuak a, chu chuan a hnua low-temperature treatment neih theihna tur lungphum a phum a ni.
Air pre-cooling: 1. A rilru a hah lutuk chuan a rilru a buai em em a.Compressed air chu pre-cooling unit (cooling tower leh refrigerator atanga siam) ah a lut a. Thli lumna chu 5 ~ 10℃-ah tihhniam a ni a, boruak chhunga tuihna tam zawk chu tui tlaah a inzawm khawm a, a inthen a, chu chuan a hnu lama purification system-a load a tihtlem phah a ni.
Thli tihthianghlimna: 1.1.Thli lum tawh chu double-tower adsorption purification system (molecular sieve-a khat)-ah a lut a. Molecular sieve hian boruakah bawlhhlawh awmsa, residual moisture (content<=0.1 ppm), carbon dioxide (content<=0.1 ppm) leh hydrocarbons (content<=0.01 ppm) te chu a adsorb a, a paih chhuak a, chu chuan low-temperature equipment leh pipeline te chu a vawt lo va, a block loh nan, leh himna atana hlauhawm lo awm thei te ven hydrocarbon khawlkhawm avanga puak thei angin.
Thli thuk taka lumna:Thli thianghlim chu main heat exchanger-ah a lut a, distillation tower atanga low-temperature reflux gas (nitrogen, oxygen-rich gas) nen heat a inthlak a ni. Thli lumna chu a lumna pangngai atanga liquefaction temperature hnaih (-170 ~ -175℃) ah a tlahniam zauh zauh a, boruak thenkhat chu liquefied a ni.
Distillation hmanga inthen darh dan:A then liquefied air chu two-stage distillation tower (tower hnuai lam: high-pressure tower, operating pressure 0.5 ~ 0.6 MPa; upper tower: low-pressure tower, operating pressure 0.12 ~ 0.15 MPa) ah a lut a:
● Lower tower distillation: Thli chu oxygen-rich liquid air (oxygen content 38 ~ 40%) leh crude nitrogen (nitrogen thianghlimna 95 ~ 98%) ah multiple evaporation leh condensation hmangin a inthen a. Nitrogen crude chu lower tower chung atang chuan lakchhuah a ni a, main heat exchanger-ah a lut a, a lum leh a, a then chu molecular sieve atan regeneration gas atan hman a ni a
● Upper tower distillation: Oxygen-rich liquid air chu throttle-in upper tower-ah tihtlem a ni a, distillation dang tih belh a ni. High{2}}purity oxygen (purity>=99.6%) chu upper tower hnuaiah hmuh a ni a, pure nitrogen (purity>=99.999%) chu upper tower chung lamah (by-product angin) hmuh a ni bawk.
Oxygen tui chhuahna: 1.1.Upper tower hnuai lama high-purity oxygen chu hmun hnih ah then a ni a: hmun khat chu tower hnuai lama condenser-evaporator ah a lut a, tower hnuai lam atanga liquid nitrogen nen heat a inthlak a, liquid oxygen (temperature -183℃) ah a liquefied a, upper tower hnuai lamah reflux liquid angin a luang leh a a dang chu gaseous oxygen angin a chhuak a, liquid oxygen condenser-ah a lut a, a chung lam tower atanga nitrogen temperature hniam tak chuan a lum a, a liquefied a, liquid oxygen product a hmu chhuak a ni.
Liquid oxygen dahkhawmna & chhuahna:Liquid oxygen hi low-temperature liquid oxygen dahna tank (vacuum powder hmanga insulated, nitin evaporation rate 0.3% aia tlem emaw, a tlukpui emaw)-ah dah a ni. Output a mamawh hunah chuan liquid oxygen chu liquid oxygen pump hmangin storage tank atangin a press chhuak a, liquid oxygen tanker hmangin user-te low-temperature storage tank-ah direct-in a phur thei a, a nih loh leh vaporizer hmangin gaseous oxygen-ah a vaporized a, chutah chuan a mamawh pressure angin user hnenah a supply thei bawk.
Cryogenic Liquid Oxygen Plant-a thil pawimawh ber berte
Liquid oxygen thianghlimna sang tak
Liquid oxygen product thianghlimna chu stably>=99.6% a ni a, high-purity configuration chu 99.999% a thleng thei a, hei hian electronic industry (semiconductor siamna atana oxygen) leh aerospace (rocket fuel atana oxidant) ang chi high-precision field-a thil phut khauh tak chu a tlin a ni.
Liquid oxygen output lian tak a ni
Single-set equipment hian 50 ~ 80,000 Nm3/h liquid oxygen output (gaseous oxygen tlukpui) a realise thei a, user mamawh angin a siam danglam thei bawk. Industrial scenario lian tak tak, steel plant lian tak tak leh chemical park-a oxygen supply chhunzawm zel leh lian tak tak mamawhna atan a tha hle.
Storage leh transportation lama inthlak danglamna chak tak
Liquid oxygen chu core product atan la ila, temperature hniam-temperature storage tank-ah rei tak dah theih a ni (a dah hun chhung chu thla engemaw zat a tling thei), liquid oxygen tanker hmangin hmun hla tak takah phurh theih a ni a, hei hian gaseous oxygen hla tak-hlat taka phurh chhuah harsa tak buaina chu a chinfel sak thei a ni.
Hausa by-products
Liquid oxygen siam chhuah lai hian high-purity nitrogen (purity>=99.999%) leh argon{2}}rich gas (argon content about 8 ~ 12%) te chu co-hian siam chhuah theih a ni. Argon-rich gas chu tihthianghlim belh theih a ni a, high-purity argon (purity>=99.999%) hmuh theih a ni a, hei hian air resources hman dan kimchang a ti tha a, a hmangtute tan economic lama hlawkna dang a thlen bawk.
Hman dan nghet leh rintlak
He hmanrua hian fully automatic control system (PLC leh DCS control option nei) a hmang a, hei hian automatic start-up, shutdown, load adjustment leh fault alarm te a ti thei a ni. Continuous operation cycle pangngai chu kum 2 ~ 3 a ni a, regular maintenance (molecular sieve thlak ang chi) chauh a ngai a, operation leh management harsatna a tlem hle.
Energy hman tlem
Heat exchanger ber hian high-efficiency aluminium plate-fin structure a hmang a, heat exchange efficiency 98% aia tam emaw, a tlukpui emaw a nei a; air compressor chuan frequency conversion control a hmang a, chu chuan load inthlak dan azirin air intake chu a siamrem thei a, liquid oxygen siamchhuahna unit energy consumption chu 0.6 ~ 0.8 kWh/Nm3 (equivalent gaseous oxygen) vel a ni a, hei hian traditional liquid oxygen production equipment aiin energy-saving a tam zawk a ni.
Kan Company thil siam thatna te
Cryogenic equipment lamah chuan refined design hi product performance, safety leh adaptability tihchian nan a pawimawh ber a ni. Kan company hian R&D team kan nei a, chu chu senior engineer te, Cryogenic Liquid Oxygen Plant lama kum 25 chuang experience nei tawhte an ni. Team hian international leh domestic standard GB, ASME, DIN leh EN te an hre chiang a, user scenario hrang hrang tan professional technical solution an pe thei bawk.
● Customized design: User-in liquid oxygen output mamawh, thianghlimna mamawh, tualchhung boruak (temperature, humidity) leh energy supply (electricity, steam) a zirin, equipment process flow leh equipment model chu customized a ni. Entirnan, high-alt area-a hmangtute tan chuan air compressor hi air pressure hniam tak nena inmil turin optimized a ni a; oxygen mamawhna inthlak danglamna lian tak nei hmangtute tan chuan "peak shaving leh valley filling" tihhlawhtlin nan liquid oxygen dahkhawmna tank capacity tihpun a ni.
● Safety design optimization: Low-temperature pipeline-te hian double-layer vacuum insulation structure an hmang a, pawn lam layer-ah chuan pressure relief valve dah a ni a, chu chuan pipeline chhung pressure tam lutuk avanga chhiatna a thlen loh nan liquid oxygen dahna tank-ah hian liquid level, pressure leh temperature triple monitoring system dah a ni a, emergency cut-off valve pawh dah a ni bawk. Thil awmdan pangngai lo a awm chuan system hian feed leh discharge chu a titawp nghal vek ang a, hei hian hmanrua hman dan himna a tichiang ang.
Kan company hian project life cycle pumpuiah ISO9001:2015 quality management system hi khauh takin a kalpui a, design, procurement, manufacturing atanga installation leh commissioning thlengin, link tin hian quality standards a tlin theih nan.
● Design verification: Design scheme zawh hnuah senior engineer team chuan drawing leh process calculation te cross-verification an nei a, professional simulation software (Aspen Plus ang chi) hmangin distillation process simulate a, process rationality leh equipment parameters dik leh dik loh enfiah a ni.
● Procurement control: Core components (air compressor, molecular sieves, low-temperature valve ang chi) tan chuan international brand hriat hlawh tak tak (Atlas Copco, Linde, Emerson ang chi) kan thlang a, raw materials quality enfiah nan incoming inspection khauh tak (material certification, performance testing te pawh tel) kan nei thin.
● Manufacturing supervision: Thil siamna atana hmanraw pawimawh (distillation tower, liquid oxygen storage tank ang chi) siam danah standardized operating procedures (SOP) a hmang a. Low-temperature pressure vessel welding hi certified welder ten an ti a, weld-ah hian non-destructive testing (UT ultrasonic testing, RT ray testing, PT penetration testing) an ti a, testing pass rate chu 100% a ni.
● Commissioning guarantee: Thil hmanrua kan dah hnuah kan professional commissioning team chuan on-site commissioning kan nei a, chutah chuan system leak detection (vacuum leak rate 1×10−9 Pa·m3/s aia tlem emaw a tlukpui emaw), cold box cooling, distillation tower debugging, etc. te a tel a, hmanruain design output a thlen hma loh chuan user-te staff-te tan operation training a pe a, thianghlimna.
Product quality hi company nunna kawngkhar angin kan ngai a, quality control khauh tak hmangin product delivered te "zero defect" kan hrechhuak thin.
● R&D verification: Product thar hi market-a chhuah a nih hmain pilot plant-ah thla 6 chhung trial operation test neih a ni ang a, performance parameters (output, purity, energy consumption) te chu real time-in enfiah a ni ang. Design mamawh a tlin hnuah chauh market-ah promote theih a ni.
● Full-process inspection: Thil siam chhuah chhung hian quality inspection department chuan link tinah sampling inspection leh full inspection a nei thin. Entirnan, liquid oxygen dahna tank wall thickness chu ultrasonic thickness gauge hmangin an enfiah a, low-temperature pipeline-a insulation performance chu vacuum gauge hmangin an enfiah a, component tin hian quality standard an tlin em tih enfiah a ni.
● After-sales quality tracking: Thil hmanrua kan rawn thawn hnuah product quality tracking file kan siam a, hmanrua hnathawh dan hriatthiam nan return visit (thla 1, thla 3, thla 6) kan nei a, quality lama harsatna awm thei te chinfel nan a hun takah technical support kan pe bawk.
User-te hmanrua te hnathawh chhunzawm zel leh nghet taka a awm theih nan after-sales service tha leh a hun taka pek kan tum a ni.
● 24/7 chhanna: Professional after-sales service team kan nei a, a hmangtute chuan phone, email emaw online platform hmangin service dilna an thehlut thei a ni. Team hian darkar 2 (hnathawh hun) emaw darkar 6 (non-hnathawh hun chhung) chhungin chhanna hmasa ber an pe ang a, chutah chuan harsatna thlirletna leh chinfel dan tur rawtna te pawh a tel ang.
● On-site service guarantee: On-site maintenance a ngai a nih chuan, mamawh kan finfiah hnu darkar 24 (domestic) emaw darkar 72 (international) emaw chhungin professional engineer te chu site-ah kan tir ang. Engineer te hian maintenance hun tawi zawk nan spare parts hman tlanglawn (low-temperature gasket, sensor ang chi) an keng a.
● Spare parts supply: Region lian takah spare parts warehouse kan nei a, core spare parts (molecular sieves, low-temperature valve ang chi) te chu thla 12 chhung stock guarantee period neiin kan dahkhawm thin. User te chuan online mall kaltlangin spare parts an lei thei a, delivery hun chhung hi ni 1 ~ 3 (domestic) emaw ni 5 ~ 10 (international) emaw a ni.
● Technical training: User-te tan technical training a thlawna kan pe a, chutah chuan equipment hman dan, nitin enkawl dan, fault handling, etc. Training hi on-site training (commissioning neih laiin) leh centralized training (company training center-ah)-ah then a ni a, user-te staff-te’n equipment hman dan thiamna an thiam theih nan a enkawl a ni.
Kan plant te hi ram leh bial 30 chuangah thawnchhuah a ni tawh a, industry hrang hranga enterprise lar tak takte pawhin an pawm tawh bawk:
● Metallurgy industry: Baosteel Group (China) leh ArcelorMittal (Global) te nen thawhhona an nei a, an steelmaking project lian tak tak-scale atan liquid oxygen hmanrua an pe a, kum 3 chuang zet chu stable operation an nei a, liquid oxygen thianghlimna chu 99.8% thleng a ni.
● Chemical industry: Sinopec (China) leh BASF (Germany) te tan liquid oxygen siamna hmanrua a pe a, an chemical synthesis process-ah liquid oxygen mamawhna a phuhruk a, unit energy consumption chu industry average aiin 10% in a hniam zawk.
● Medical industry: United Health Group (USA) leh Red Cross Society (India) te nen thawhhona an nei a, an medical institution-te tan emergency liquid oxygen reserve equipment an pe a, vantlang hriselna emergency-a oxygen supply mumal tak an neih theih nan an enkawl a ni.
User-te mamawh hrang hrang phuhruk nan thawhhona mode pahnih kan pe a:
● Equipment hralhna: Equipment set zawng zawng (air compression system, purification system, distillation system, liquid oxygen storage system te pawh tel) leh installation leh commissioning lama mawhphurtu pe a, a hmangtute chu anmahni liquid oxygen production line siam turin a pui ang.
● On-site gas supply: User awmna bulah cryogenic liquid oxygen plant siamnaah sum seng la, hun rei tak chhung chu a hmangtute hnenah liquid oxygen man ruat sain supply rawh. User-te chuan hmanruaah investment an mamawh lo a, hei hian an capital pressure leh operation risk a tihziaawm phah a ni.
Liquid Oxygen siam dan hrang hrang tehkhin dan
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Liquid oxygen siam chhuah dan |
Thu bulpui (core principles) te |
A thatna te |
A that lohna te |
Scenario hmantlak tak takte |
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Cryogenic liquid oxygen hmanga siam a ni |
Thli chu cryogenic distillation hmangin oxygen leh nitrogen inthen darh a, chumi hnuah oxygen chu liquefaction a ni |
Liquid oxygen thianghlimna sang ( 99.6% aia tam emaw a tlukpui emaw), output lian tak (80,000 Nm3/h thleng), stable operation, rich by-products |
Start-up hun rei tak (darkar 24 ~ 48), hmanrua tam tak investment, floor area lian |
Industrial scenario lian tak tak (steel, chemical industry), damdawi in lian tak tak, regional oxygen supply center te |
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VPSA (Vacuum Pressure Swing Adsorption) hmanga tui oxygen siamna hmun a ni |
Molecular sieve hian nitrogen a adsorb a, oxygen a tihausa a, chutah chuan oxygen a ti lum a, a liquefise bawk |
Fast start-up (darkar 1 ~ 2), floor area tlem, investment tlem |
Liquid oxygen thianghlimna hniam ( 95% aia tlem emaw a tlukpui emaw), output tlem (<=500 Nm3/h), energy hman tam |
Emergency oxygen supply tenau-(chhiatrupna thlenna hmun, damdawi in tenau), hun eng emaw chen atana sakna hmun |
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Membrane inthenna tur tui oxygen plant |
Polymer membrane hian oxygen a thlang chhuak a, oxygen a tihausa a, chutah chuan oxygen chu a liquefie leh a ni |
Structure awlsam, enkawl awlsam, ri tlem |
Liquid oxygen thianghlimna hniam ( 90% aia tlem emaw a tlukpui emaw), output tlem ( 100 Nm3/h aia tlem emaw a tlukpui emaw), membrane aging awlsam |
Micro-scale oxygen supply (laboratory, sangha tuikhuah te), oxygen mamawhna hniam-purity scenario |
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