Polyethylene polymerization inyaya inokonzeresa kupisa kwakanyanya inogona kuisa panjodzi yekubuda kwekupisa kusingadzoreki, kukwira kwesimba kamwe kamwe, uye kuputika kwesimba resimbi kana zvisina kudzorwa zvakanyanya; njodzi huru dzinomuka kubva mukudyisa zvakanyanya kwesimba resimbi, kupinda kweokisijeni kusingatarisirwi, uye kusvibiswa kwekushanda, uko kunyangwe kudonha kudiki kunogona kusundidzira simba kupfuura miganhu yakachengeteka. Kuchengetedza kumanikidzwa kwakasimba, kudiki kwakanaka mureactor kwakakosha pakuchengetedza uye kudzora maitiro: iyi nzira yekumanikidzwa inodzivirira kupinda kwemhepo, inobvisa njodzi dzine chekuita neokisijeni, inochengetedza mhepo isina kusimba, inogadzirisa nitrogen blanketing, inoderedza kushandiswa kwenitrogen kana tichienzanisa nekubuda zvakanyanya, uye inoderedza mari yekushanda uku ichideredza njodzi dzekuvhunduka kwesimba resimbi.
Chirimwa chePolyethylene (PE)
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Zvinokonzera uye Kudzivirira Runaway Polymerization
Kugadziriswa kwepolymerization kusingadzoreki kunokonzerwa kana catalyst dosing inopfuura nzvimbo dzakatarwa, apo okisijeni inopinda mumudziyo we process, kana kana inhibition systems ikatadza kushanda. Catalyst dosing errors inogona kuitika nekuda kwekusarongeka kwekudzora kuyerera kana kusashanda zvakanaka kwema feed pomps, zvichiita kuti reaction rate ipfuure simba rekubvisa kupisa. Kupinda kweokisijeni, kunowanzo kukonzerwa nezvisimbiso zvisina kunaka, nitrogen blanketing isina kunaka, kana vacuum leaks, kunounza oxidant yakasimba inogona kukurumidzisa free-radical polymerization reactions zvisingadzoreki. Kusadziviswa kwakakwana—kungave nekuda kwekudzikira kweinhibitor concentration kana erratic dosing—kubvisa chimwe chezvipingamupinyi zvakakosha zvekutiza.
Kukanganiswa kwemaitiro akadai sekukwira kwekushisa kana kutadza kwekufema kunogona kukanganisa mwero wekuita, zvichikonzera kukwira kwesimba rine njodzi. Maitiro ekudzivirira anoda nzira dzakabatana dzekuchengetedza. Kugara uchishandisa zvinodzivirira kuita zvinhu kwakakosha pakuderedza kupararira kwefree-radical. Kutarisa huwandu hweokisijeni nemasensa ekukurumidza kunodzivirira kudarika huwandu hweokisijeni mumaitiro epolymerization; kana zviyero zvikayambuka, nzira dze automated emergency shutdown dzinogona kuparadzanisa nekudzora kudzvanywa kwereactor.
Magadzirirwo ekufamba kwemavharuvhu ekuchengetedza anofanirwa kugadziriswa zvichienderana nekumanikidzwa kwakanyanya kunobvumirwa kushanda kuti abvise tsaona dzekuvharwa kwemakemikari mufekitori. Mavharuvhu anofanira kutanga kuburitsa mweya nekukasika kana nzvimbo dzakaiswa dzatyoka, zvichiita kuti kumanikidzwa kusapfuure miganhu yekushanda yakachengeteka. Kuisa nitrogen mumhepo, kwakasiyana nekuisa nitrogen muvhu, kunosanganisira kufukidza nzvimbo yereaktora nenitrogen kuti ibudise mweya neoxygen. Iyi nzira yakakosha pakudzivirira kuputika, sezvo ichipa dziviriro kubva kuzvinhu zvinobatidza moto. Kuisa nitrogen muvhu kunobatsira mareactor emakemikari nekuchengetedza jira risingapindi mhepo ukuwo kuchidzora kumanikidzwa kudiki, izvo zvinodzivisa kupinda kweokisijeni uye zvinowedzera kuchengetedzeka kwese.
Maitiro ekushanda akachengeteka epolymerization reactors anotungamira kudzora kumanikidzwa kwakavimbika, mafambiro akasimba, kutarisa kuri kuitwa, uye kuita nemazvo nzira dzekuderedza kushandiswa kwenitrogen. Muzviitiko zvese, kuvandudza huwandu hwechigadzirwa kunotanga nekubvisa manyuko eokisijeni uye kutevedzera zvakasimba mapuroteni ekuchengetedza reactor polymerization.
Kudzora Kumanikidzwa Kudiki Kwakanaka muReactors
Kuchengetedza kumanikidzwa kwakanaka zvishoma nenitrogen kwakakosha mu polymerization reactors. Kumanikidzwa uku—kunochengetwa pamusoro pemhepo—kunoshanda sechipingamupinyi chemuviri kukupinda kwemhepo. Kana kumanikidzwa kwadzikira pasi penzvimbo iyi yakatarwa, okisijeni inogona kupinda mu reactor, zvichiwedzera njodzi ye polymerization inobhururuka kana kusvibiswa kwechigadzirwa. Nitrogen inochengetwa nguva dzose inodzivirira izvi.
Kudzora kudzvanywa kunodzivirirawo michina yekuchengetedza. Kudzikiswa kwedzvinyiriro kusingatarisirwi kunogona kukanganisa mavharuvhu ekuchengetedza, zvichikonzera kuburitswa kusina kurongwa, kuderedzwa kwedzvinyiriro yereactor, uye kuvharwa kunogona kuitika. Kudzora kudzvanywa kwakanaka kunoderedza mukana wekudonha kwevharuvhu rekuchengetedza, zvichichengetedza kugadzirwa nekuchengetedza vashandi.
Maitiro ekushandisa zvakachengeteka epolymerization reactors anobatanidza nitrogen blanketing nekudzora kumanikidzwa kwakarurama. Nzira dzakajairika dzinoshandisa differentialzvinotumira zvinodzvinyirira, se3051, yekutarisa nekugadzirisa panguva chaiyo. Nzira iyi inoita kuti kumanikidzwa kurambe kuri mukati mehwindo rakamanikana, rakanaka, zvichiwedzera kuchengetedzeka uye kuvimbika kwekushanda.
Kudzora kumanikidzwa kwakakodzera—pamwe chete nekuvhara magumbeze—kunokurudzira polymerization yakagadzikana, kunoderedza kushandiswa kwenitrogen, uye kuderedza mikana yekupfuura kweoxygen. Matanho aya anoumba musimboti wenzira dzinoshanda dzekudzivirira polymerization uye anotsigira kubviswa kwetsaona dzemakemikari mumiti. Kudzora kumanikidzwa kudiki kwakanaka mumareactor kwakakosha mukusimudzira kuchengetedzeka, kuvandudza mwero wekukodzera kwechigadzirwa mukugadzirwa kwemapolymer, uye kuenderana nemitemo yekuchengetedza reactor yepolymerization.
Kuyera Kumanikidzwa Kwakapinza uye Kudzora Maitiro Epamusoro
Kuyera kumanikidzwa kwakadzikama kwakakosha mukuchengetedza kumanikidzwa kudiki kwakanaka mukati me polyethylene polymerization reactors. Maitiro aya anotsigira kudzivirira kupomera kwemvura inoyerera uye kubvisa tsaona dzekuvharwa kwemakemikari mumiti. Kutarisa kumanikidzwa kwakarurama uye kwenguva chaiyo kunovandudza nitrogen blanketing, zvichiita kuti kudzora kwakachengeteka uye kugara kwenguva refu mumamiriro ezvinhu ekuita. Izvi zvinobatsira kudzivirira kudarika kweoxygen—chinokonzera kuputika kwepolymerization inoyerera—uye zvinotsigira kufamba kwemavharuvhu ekuchengetedza, ayo ari matanho akakosha ekuchengetedza kana paine kumanikidzwa.
Matransmitter ekumanikidza ari mumutsara, akadai se3051 differential pressure transmitter, anopa data rakavimbika uye rakananga kumasystem ekudzora mashandiro. Anochengetedza pressure margin inodiwa inodzivirira kupinda kwemhepo, zvichiita kuti nitrogen ipinde zvakanaka kudzivirira kuputika, ukuwo achitsigirawo nzira dzekuderedza kushandiswa kwenitrogen. Kana ikashandiswa pakutarisa nguva dzose, matransmitter aya anopa mhinduro dzakavimbika dzekugadzirisa otomatiki, nokudaro zvichibatsira mukuchengetedza reactor polymerization uye kudzora kumanikidzwa kwakasimba.
Kubatanidza zvishandiso zviri mukati kunoumba suite yakazara yekudzora maitiro epamusoro muma polymerization reactors. Iyo inline concentration meter inoteedzera mazinga e monomer, ichizivisa vanoshanda nezvekugadzirwa kwenguva chaiyo uye inoshanda sedziviriro yepamberi kubva pakutsauka kusina kuchengetedzeka.mita yekuwanda kwemukatiinodzora huwandu hwemushonga wepolymer, ichipa ruzivo rwekukurumidza pamusoro pemhando yekugadzirwa uye kuenderana kwekuita—chinhu chakakosha pakuvandudza mwero wekukodzera kwechigadzirwa mukugadzirwa kwepolymer.mita yekuyeresa viscosity iri mukatiInopa rumwe vimbiso nekuona kuchinja pakati pematanho ekuita; ruzivo rwayo rwakakosha pakugadzirisa mamiriro asina kujairika ayo aigona kuwedzera kusvika kumamiriro asina kuchengetedzeka.
Uyezve, chinotumira che inline level chinopa mukana wekuona zvinhu zvinogadziriswa panguva chaiyo. Ruzivo urwu runotsigira mashandiro akachengeteka ema reactors epolymerization nekudzivirira kuwanda kwemafuta kana kushomeka kusingatarisirwi kunogona kukanganisa kumanikidzwa kana tembiricha.chinotapurira tembiricha chakadzikaInogonesa kutarisisa kwakarurama kwema exotherms, ayo anogona kuva pokutangira mamiriro ezvinhu asingafambe zvakanaka kana asina kutarisirwa zvakanaka. Nekupa data retembiricha rakananga uye rinoenderera mberi, inopa vanofambisa ruzivo rwavanoda kuti vaite nekukurumidza uye nemazvo vasati vaita matambudziko madiki.
Kushandiswa uku kwekuenzanisa kwemukati pamwe chete kunoita kuti maitiro acho ave akavimbika uye abudirire. Nekuwana data rakabatana nekukurumidza—kubva pakumanikidzwa kusvika pakupisa,danho, kuzara, kuwanda, uye kusimba—masisitimu ekudzora anoita zvirongwa zvepamusoro ipapo ipapo. Maitiro aya ekubatanidza haangogumiri pakumanikidzwa kwakanaka kunotarisirwa chete asiwo anotsigira zvese zvinobatsira zve nitrogen mumakemikari reactors, zvichiisa mwero wekushanda kwakasimba, kwakachengeteka, uye kunobudirira kwepolymerization.
Matransmitter eLonnmeter Inline Pressure
MaLonnmeter inline pressure transmitters anopa zviyero zvenguva chaiyo, zvakanyatsonaka zvakagadzirirwa zvinodiwa nenitrogen blanketing mupolymerization reactors. Akagadzirirwa nzvimbo dzine nitrogen yakachena uye inoparadza, matransmitters aya anoshandisa zvinhu zvinoona zvinodzivirira kusvibiswa uye zvinotsungirira kucheneswa kwakasimba. Kugadzirwa uku kwakasimba kunovimbisa kuverenga kwakasimba, kusina kudonha, kwakakosha pakudzora kumanikidzwa kudiki kwakanaka uye kushandisa nzira dzakavimbika dzekudzivirira polymerization.
Kuiswa kweLonnmeter transmitters mumutsara panzvimbo dzakakosha—kusanganisira mitsetse yemagetsi inofambisa gasi, mitsetse yekudzorera magumbeze, mavharuvhu ekuchengetedza kumanikidzwa, uye nzvimbo dzekuzviparadzanisa—kunogonesa kudzora kumanikidzwa kwegumbeze zvakasimba. Kutarisa kwakanyatsojeka pamitsetse iyi kunoderedza zvakanyanya kufamba kwemavharuvhu ekuchengetedza, chikonzero chinowanzoitika chekuvharika kwetsaona uye kusagadzikana kwehurongwa mumiti yepolyethylene. Semuenzaniso, transmitter yakaiswa kumusoro kwerwizi kubva kuvharuvhu rekuchengetedza inogona kuratidza shanduko dzisinganzwisisike dzekumanikidzwa, kudzivirira kudarika kwehuwandu hweokisijeni uye kuderedza njodzi dzine chekuita nekuputika kwepolymerization.
Nekuchengetedza kumanikidzwa kwakakodzera uye kuderedza kushanduka-shanduka, vashandi vanowana kudzikiswa kukuru kwekushandiswa kwenitrogen. Kudzora kumanikidzwa kwakasimba kunoderedza mwero wekudya kwenitrogen yakawandisa uye kunovandudza kushanda zvakanaka kwe nitrogen blanketing uchienzaniswa ne nitrogen inerting strategies. Nzvimbo dzakasimba dzekumanikidzwa dzinoitawo kuti zvienderane nemitemo yekuchengetedza reactor yepolymerization, zvichideredza njodzi yekuti chigadzirwa chisina kutsanangurwa chichada kugadziriswa kana kuraswa. Zvirimwa zvinobatsirwa nekuvandudzwa kwehuwandu hwezvigadzirwa, sezvo mamiriro e reactor akagadzikana achitsigira maitiro ekushanda akachengeteka uye hunhu hwakafanana hwepolymer.
Kuchengetedza mari kunowanikwa munzira dzakasiyana-siyana. Kubvisa kudiwa kwekuvharwa kwechimbichimbi kunotungamira mukukanganiswa kushoma kwekugadzirwa, izvo zvinokanganisa zvakananga nguva yekushanda kwemiti. Kugadziriswa kwekugadzikana kwemaitiro kunoderedza mari nekuchengetedza kuenderana kwebatch uye kuderedza marara ezvinhu. Pamusoro pezvo, dhizaini yakasimba yematransmitter eLonnmeter inoderedza zvinodiwa zvekugadzirisa, zvichideredza nguva yekushanda ine chekuita nekugadziriswazve kwemasensa kana kutsiviwa.
Kushandiswa kweLonnmeter inline pressure transmitters, kungave sechikamu chekudzora kumanikidzwa kwakanaka kana kubatanidzwa nemaitiro aripo ekugadzirisa kumanikidzwa kwereactor, kunobatsira kuona kuti maitiro epolymerization akachengeteka, anoshanda zviri nani, uye asingadhuri zvakanyanya.
Benefits of AccurkudyaPrevimbisa Muvhuroitoring in muPolyethylene (PE) Zvirimwa
Maitiro ekushanda akanyatsojeka akakosha pakuvandudza kuchengetedzeka uye kushanda zvakanaka kwema polymerization reactors, kunyanya mukugadzirwa kwe polyethylene (PE) uko nitrogen blanketing inoshandiswa kudzivirira kupinda kweokisijeni uye kuderedza zvinokonzera kuputika kwepolymerization. Nzira dzepamusoro dzinotarisa pakudzora kumanikidzwa kudiki kwakanaka muma reactors uye kugadzirisa kushandiswa kwenitrogen.
Kuderedza Kushandiswa kweNitrogen
Kudzora nitrogen nemazvo kunoderedza kushandiswa kwakanyanya ukuwo kuchichengetedza mamiriro ekushanda akachengeteka. Kushandisa ma transmitter epamusoro, akadai se3051 madhiraivha ekudzvanya akasiyana, vashandi vanogona kuwana mitemo inoenderana nezvinodiwa—vachipa nitrogen zvinoenderana nezvinodiwa nemaitiro acho. Izvi zvinoderedza kutambisa uye zvinotsigira zvakananga nzira dzekuderedza kushandiswa kwenitrogen.
Magadzirirwo ehurongwa ane marobho ekutenderera kwemhepo uye ma connections asina kudonha zvakanyanya anoderedza kurasikirwa nenitrogen. Maitiro aya anochengetedza mhepo isina kusimba ine nitrogen shoma, zvichiwedzera kusimba kwenitrogen kudzivirira kuputika. Kusimba kwehurongwa kwakakodzera kunodzivirira kubuda kwenitrogen yakawandisa, zvichiita kuti nitrogen igare kwenguva refu uye igare kwenguva refu kana tichienzanisa nekusimba kwenitrogen kwakajairika.
Kubvisa Njodzi Dzinokonzerwa Nekuvharwa Kwemotokari uye Kuchengetedza Hunhu Hwechigadzirwa
Kugara uchitarisa uchishandisa ma inline transmitters akavimbika ndiko kwakakosha pakuchengetedza ma polymerization reactor. Zvishandiso zviri mu inline, zvakaita seLonnmeter's density uye viscosity metres, zvinotevera zviri kure ma critical process parameters panguva chaiyo, zvichiona mafambiro ekuchinja kwemaitiro zvisati zvawedzera. Kugona uku kunoita kuti shanduko mukumanikidzwa kwe reactor kana composition zvizivikanwe nguva refu vasati vasvika pakufamba kwe safety valve kwakajairika muma polymerization reactors.
Masensa ekudzvinyirirwa kwemhepo neokisijeni anounza yambiro dzekutanga kana miganho yasvika padanho risina kuchengetedzeka. Mhinduro dzinokurumidza dzinobvumira matanho ekugadzirisa panguva yakakodzera—sekugadzirisa nitrogen feed, kutanga kuburitsa mhepo, kana kunonoka kuwedzera reactant—kudzivirira mamiriro ezvinhu anokonzera tsaona dzekuvharwa uye kurasikirwa nekubudirira. Idzi nzira dzekudzora kudzvinyirirwa kwereactor dzakakosha pakuchengetedza mamiriro akanaka, kudzivirira kudarika kweoxygen mumaitiro epolymerization, uye kuwedzera chiyero chekukodzera kwechigadzirwa.
Nekubatanidza nzira idzi, zvivakwa zvePE zvinogona kuchengetedza nzira dzakachengeteka dzekushandisa ma polymerization reactors uye kuwana kuvimbika kwepamusoro kwechigadzirwa. Kushandiswa kwakarongeka kwema transmitters epamusoro uye kutarisa mukati memutsara kunoita kuti pave nekuvimbika pakushanda, kunoderedza njodzi dzine chekuita ne runaway polymerization, uye kunoshandisa mabhenefiti makuru e nitrogen blanketing mu chemical reactors.
Kuongororwa kweNjodzi yeGasi uye Kuongororwa Kwakabatana kweMaitiro
Kuongororwa kwenjodzi kwakarongwa ndiko kunoita kuti pave nemaitiro akachengeteka ekushandisa ma polymerization reactors. Vashandisi vanoshandisa maturusi akarongeka kuti vaone uye vaongorore njodzi dzekuputika, vachitarisa pazvikonzero zvine chekuita ne runaway polymerization uye ingress isingadzoreki yeoxygen. Zvikonzero zvinowanzoonekwa zve runaway polymerization kuputika zvinosanganisira kupinza mhepo netsaona, kusashanda zvakanaka kwemavharuvhu ekuchengetedza, uye kusashandisa zvakanaka kudzvanywa kwakanaka mukati me reactor. Uchishandisa maturusi aya, nzvimbo dzinoongorora mamiriro ezvinhu anogona kuitika, akadai sekuwanda kweoxygen kana kudzvanywa, izvo zvinogona kukonzera exothermic reactions uye zviitiko zvinotevera zvekudzvanywa zvakanyanya. Maitiro aya anotsigira nzira dzakanangwa dzekuisa nitrogen uye nzira dzekufukidza, dzinodzivirira kupisa uye kuderedza njodzi yekudzima kwe polymerization reactor.
Kushanda kwemaprotocol aya kunowedzera kana zvakabatana nekutarisa nguva dzose. Kubatanidza ma inline transmitters—akadai se differential pressure transmitters uye Lonnmeter density uye viscosity metres—kunopa data renguva chaiyo rakakosha pakudzora small positive pressure muma reactors. Ma transmitters aya anozivisa vanoshanda nezvekutsauka mu pressure, density, kana viscosity, izvo zvinogona kuratidza kusachengeteka kwe polymerization kinetics kana oxygen infiltration. Kuenderera mberi kwedata rinofambiswa ne process analytics kunobvumira kuonekwa nekukurumidza uye kugadzirisa chiito, kukwidza chiyero che product qualification uye kuderedza off-spec batches.
Vashandi vanoshandisa data remaitiro kubva kumatransmitter ari mukati kuti vagadzirise nzira dzekuderedza kushandiswa kwenitrogen. Ongororo dzakavakirwa pazvinobuda mumatransmitter dzinotungamira nitrogen blanketing uye inerting rates, zvichiita kuti pave nekushandiswa kwakaderera kwekudzivirira kuputika ukuwo vachichengetedza gasi risingashande. Kuedza uku hakungogadzirisi chete maitiro ekudzivirira asiwo kunotsigira kushanda kwakanaka pasina kukanganisa kuchengetedzeka kwemareactor.
Nekubatanidza maturusi ekuongorora njodzi uye kutarisa maitiro ari mukati—kusanganisira kushandiswa kwematransmitter e3051 differential pressure mureactors—nzvimbo dzinovandudza kugona kwadzo kudzivirira tsaona, kuderedza kuvharwa kwemakemikari mumiti, uye kuchengetedza nharaunda inodzorwa. Iyi nzira yakabatana inoita kuti mabhenefiti enitrogen blanketing awedzere uye inotsigira tsika yekudzivirira mukati mekugadzira polymer.
Mibvunzo Inowanzo bvunzwa
Chii chinoshanda pakufukidza nitrogen mukudzivirira kuputika kwepolymerization muzvirimwa zvePE?
Kufukidza nitrogen kunoshanda senzira huru yekudzivirira polymerization inobhururuka nekudzinga okisijeni kubva mumhepo yereactor. Okisijeni chinhu chakakosha mumaitiro mazhinji ane njodzi epolymerization. Nekuchengetedza kumanikidzwa kudiki nenitrogen, reactor inodzivirirwa kubva mumhepo inoputika, iyo yaizounza okisijeni. Iyi nzira inobvisa chimwe chezvikonzero zvikuru zvekuputika kwepolymerization inoputika uye inopa matanho akasimba ekuchengetedza nekuita kuti oxidation isingadzoreki uye kukurumidza kwecheni zvisakwanise.
Ma inline pressure transmitters, akadai seLonnmeter kana 3051 differential pressure transmitter, anobatsira sei pakuchengetedza polymerization reactor?
Matransmitter ekumanikidza ari mukati memutsara anoramba achipa kuverenga kwakarurama kwekumanikidza kune system yekudzora reactor, izvo zvakakosha pakuita maprotocol emazuva ano ekuchengetedza reactor polymerization. Kuona nekukurumidza shanduko dzekumanikidza kunogonesa system yekudzora kugadzirisa mwero wekudyisa nitrogen otomatiki, zvichiita kuti kumanikidzwa kugare mukati memiganhu yakatarwa yakachengeteka. Kana kumanikidzwa kuchiratidza matambudziko akadai sekumhanya kwecatalyst kana kubuda kweokisijeni, matransmitter aya anonyevera vanoshanda mamiriro ezvinhu asati akonzera kufamba kwemavharuvhu ekuchengetedza - chinhu chinowanzo konzera tsaona dzekudzima kwemiti. Mhinduro yavo nekukurumidza inotsigira maitiro ekushanda akachengeteka emareactor polymerization, kuona nekugadzirisa zviratidzo zvisati zvawedzera.
Ndezvipi zvimwe zvishandiso zviri mukati zvinofanira kubatanidzwa mukuita kwepolymerization reactor?
Chirongwa chakakwana chezvishandiso zvereactor chinopfuura kuyera kumanikidzwa. Mamita ekuisa mumutsara anotarisa mazinga emonomer, achivimbisa kuti reactant feeds dzakarurama. Mamita ekudzikisa, akadai seaya akagadzirwa neLonnmeter, anoteedzera hunhu hweslurry, zvichibatsira kuona kupatsanurwa kwezvikamu zvakabatana nekutsauka kwemaitiro. Mamita ekuisa mumutsara anopa data pamusoro pekuenderana kwepolymer kuburikidza nekuchinja kwezvikamu, chinhu chakakosha pakutarisira mhando yechigadzirwa. Matransmitter emazinga anochengetedza batching yakakodzera uye anodzivirira kuwanda. Matransmitter ekupisa anoratidza ma profiles asina kujairika exothermic, ayo anogona kutangira mamiriro ekumhanya. Zvishandiso izvi pamwe chete, nematransmitter epressure, zvinoshandisa nzira dzekudzora kumanikidzwa kwereactor dzine mativi akawanda. Kubatana kwavo kunopa kutarisa kwese kwese kwakakosha panguva chaiyo.
Kushandiswa kwenitrogen kunogona kuderedzwa sei panguva yepolymerization muPE reactors?
Maitiro ekuderedza kushandiswa kwenitrogen anobudirira anoenderana nekunyatsorongeka kwematransmitter ekumanikidza ari mukati. Nekudzora kumanikidzwa kudiki kwakanaka mumareactors nguva dzose, sisitimu inodzivirira kudya kwakawandisa kwenitrogen kunogona kuitika nemidziyo isina kunyatsojeka. Mhinduro yemutransmitter panguva chaiyo inotsigira mutemo unoenderana nezvinodiwa, ichichengetedza kufamba kwenitrogen mukati memiganhu yakachengeteka. Kuona kuchinja-chinja uye ma "feedback loops" ekukurumidza kunobvumira vashandisi kupindura nekukurumidza kudonhedza kumanikidzwa, kubvisa marara uye kuona kuti nitrogen inopidigura kudzivirira kuputika zvinodzivirira uye zvinoshanda.
Kudzora kumanikidzwa kwakanaka kunobatsira sei kuti chigadzirwa chikwanise kugadzirwa nepolymer?
Kuchengetedza kumanikidzwa kwakanaka zvishoma kunoita kuti mwero weokisijeni usapfuure mwero wakakosha, zvichidzivirira huwandu hweokisijeni mumaitiro epolymerization. Izvi zvinodzikamisa mamiriro ekuita, zvichideredza zvikanganiso zvepolymer zvinokonzerwa neokisijeni—zvakadai sekugumiswa kwecheni kana kuchinja ruvara—zvichikonzera kuti pave nemapoka mashoma asina kutsanangurwa. Kudzora kumanikidzwa kwakavimbika kunoderedzawo mukana wekukanganiswa kwemaitiro kana kuvharwa nekukurumidza. Mugumisiro wacho inzvimbo yekugadzira inogara ichienderera mberi inotsigira mwero wekuvandudzwa kwekugadzirwa kwepolymer, pakupedzisira kuwedzera goho uye kuderedza kugadziriswa patsva.
Nguva yekutumira: Ndira-13-2026
