Shenyang Huifeng Petrochemical Co., Ltd.

Ya ku abokan ciniki, Wataƙila kun lura cewa kwanan nan "samar da ikon amfani da makamashi sau biyu" ya shafi ƙarfin samar da wasu masana'antun, kuma dole ne a jinkirta ranar isar da oda a wasu masana'antu. Bugu da kari, babban ofishin ma'aikatar kula da muhalli da muhalli ta kasar Sin ya fitar a watan Satumba mai taken "Mahimman yankunan da ke cikin shekarar 2021-2022 na tsarin kula da gurbataccen iska na kaka da lokacin sanyi," a wannan lokaci na kaka da damina, za a mai da hankali kan wasu masana'antu. kan, iya aiki na iya ƙara ƙuntatawa. Don rage tasirin wannan ƙuntatawa, muna ba da shawarar ku sanya odar ku da wuri-wuri domin mu iya tsara layin samarwa a gaba kuma tabbatar da cewa za a iya ba da odar ku akan lokaci. Buri mafi kyau! Shenyang Huifeng Petrochemical Co., Ltd. girma

Masana'antar kayan aikin gida gaba daya sun kawar da firiji R22 cikin kirgawa Bisa yarjejeniyar Montreal, an dakatar da refrigerant na R22 a cikin kasashe masu tasowa kuma har yanzu ana iya samar da shi a kasashe masu tasowa, amma lokacin samarwa da amfani da shi shine 2030. A ranar 26 ga Janairu, 2021, Ma'aikatar Muhalli da Muhalli ta ba da Sanarwa kan Bayar da Ƙimar Samar da Amfani da Shigo da Shigo da Keɓaɓɓun 2021 don Abubuwan Rage Ozone (anan ana kiranta Sanarwa). Bisa dokar kasar Sin kan rigakafi da hana gurbacewar iska, dokokin da suka shafi sarrafa abubuwan da ke lalata Layer Ozone da sauran abubuwan da suka dace, za a ba da kamfanoni 20 tare da adadin samar da adadin ton 292,795 na hydrochlorofluorocarbons. HCFC) a cikin 2021, kuma za a ba da raka'a 46 tare da adadin amfani na tan 31,726 na hydrochlorofluorocarbons a cikin 2021. Idan aka kwatanta da shekarar 2020, adadin samar da sinadarin hydrochlorofluorocarbons (HCFCS) da suka hada da HCFC-22 ba zai canza ba a shekarar 2021, yayin da za a rage yawan amfani da shi sosai, wanda hakan zai kara kawar da HCFCS a masana'antar kayan aikin gida ta kasar Sin. Za a bayar da adadin samar da hCFC mai ɗauke da (HCFC) don hCFC-141B, HCFC-142B, HCFC-22, HCFC-123, HCFC-124 da HCFC-133A. Daga cikin su, HCFC-141B wakili ne mai kumfa da ake amfani da shi a masana'antar firiji da masana'antar dumama ruwa. Kamar yadda tsarin kumfa a cikin masana'antar firiji ya inganta zuwa tsarin HFC-245FA + cyclopentane, kuma a ranar 1 ga Janairu, 2019, masana'antar dumama ruwa ta dakatar da amfani da HCFC-141B gaba daya. An yi amfani da Hcfc-141b ƙasa da ƙasa a cikin masana'antar kayan aikin gida. Jimlar adadin samarwa na hCFC-141B a cikin 2021 tan 50,878 ne, ba a canzawa daga 2020. Idan aka kwatanta da samar da kewayon HCFC-22, jimlar amfani da keɓaɓɓiyar hCFC-22 a cikin masana'antar kwandishan gida a cikin 2021 shine tan 31,726, raguwar tan 3,489 daga ton 35,215 a cikin 2020. Wannan yana da alaƙa da alaƙa da sauyawa a cikin injin refrigerant. masana'antar sanyaya iska. Kasuwannin na'urorin sanyaya iska na HCFC-22 a cikin masana'antar sanyaya iska ta gida ya kai kusan kashi 20% a shekarar 2019, kuma wannan adadin zai ci gaba da raguwa a shekarar 2020. Masana'antar sanyaya iska ta kasar Sin ta samu gagarumar nasara wajen kawar da HCFC-22. Kwamitin zartaswa na asusun hada-hadar kudi ya amince da tsarin sarrafa tsarin HCFC-22 na masana'antar sanyaya iska a cikin gida a kasar Sin daga shekarar 2021 zuwa 2026, kuma ta himmatu wajen kawar da kashi 70% na amfani da hCFC-22 nan da shekarar 2026. ya fi jadawali na ƙa'idar Montreal ke buƙata don cimma ragi na hCFC-22. Za mu ba da gudummawa sosai ga aiwatar da ka'idar Montreal ta kasar Sin.

N-hexane ruwa ne mara launi tare da ƙarancin guba da ƙarancin wari na musamman. N-hexane wani kaushi ne na sinadari da aka fi amfani da shi azaman kaushi don polymerization na olefin kamar propylene, mai cirewa don man kayan lambu da ake ci, da sauran ƙarfi don roba da fenti, da diluent don pigments. Yana da wasu guba kuma zai shiga jikin mutum ta hanyar numfashi da fata. Tsawon lokaci mai tsawo yana iya haifar da alamun guba na yau da kullun kamar ciwon kai, juwa, kasala, da kumbura a cikin gaɓoɓi, wanda zai iya haifar da suma, rasa hayyacinsa, ciwon daji har ma da mutuwa. N-hexane ne yafi amfani a matsayin sauran ƙarfi a cikin masana'antu don shirye-shiryen na viscose zuwa bond takalma fata, kaya, Hexane Yawanci ana amfani da shi a cikin ayyukan gogewa da tsaftacewa a cikin tsarin samar da masana'antar bayanai ta lantarki, da kuma fitar da ɗanyen mai a masana'antar masana'antar abinci [1], dawo da sauran ƙarfi na propylene a masana'antar robobi, abubuwan haɓakawa a cikin gwaje-gwajen sinadarai (kamar gwajin phosgene). ), da kuma amfanin yau da kullum. Hakanan ana amfani da Hexane a masana'antu kamar hakar fulawa a cikin samar da sinadarai. Idan aka yi amfani da shi ba daidai ba, yana da sauƙi don haifar da guba na sana'a

N-Heptane (sunan Ingilishi n-Heptane) ruwa ne mara launi, mara ƙarfi. Ana amfani da shi galibi azaman ma'auni don tantance lambar octane, kuma ana iya amfani dashi azaman maganin sa barci, sauran ƙarfi, ɗanyen abu don haɓakar kwayoyin halitta, da kuma shirye-shiryen reagent na gwaji. Ya kamata a adana Heptane a cikin dakin ajiya mai sanyi, mai iska. Ka nisantar da wuta da zafi. Zazzabi na tafki bai kamata ya wuce 30 ° C ba. Rike akwati a rufe. ya kamata a kiyaye shi daga oxidizer, kar a adana tare. Ana amfani da wutar lantarki da ba za ta iya fashewa ba. An haramta amfani da kayan aikin injiniya da kayan aikin da ke da saurin tartsatsi. Wurin ajiya ya kamata a sanye shi da kayan aikin jinyar gaggawa da yayyo da kayan da suka dace.

N-Pentane, dabarar sinadarai C 5 H 12 , memba na biyar na alkane. N-pentane yana da isomers guda biyu: isopentane (madaidaicin tafasa 28 ° C) da neopentane (madaidaicin tafasa 10 ° C), kalmar "pentane" yawanci tana nufin n-pentane, isomer na layi. Amfani da pentane na al'ada 1. An yi amfani da shi azaman ƙarancin zafi mai zafi, wakilin filastik masana'antu na kumfa, kuma ana amfani dashi tare da 2-methylbutane a matsayin mai don motoci da jiragen sama, don kera kankara na wucin gadi, anesthetic, don haɓaka pentanol, isopentane, da kamar haka. 2. Gas chromatographic matsayin bincike. Ana amfani dashi azaman maganin kashe kwayoyin cuta, sauran ƙarfi, ma'aunin zafi da sanyio, kuma don kera kankara ta wucin gadi, pentanol, isopentane, da makamantansu. 3. Don shirye-shiryen daidaitaccen iskar gas, iskar gas da kuma a matsayin desorbent sieve kwayoyin. 4. An yi amfani da shi azaman ƙauye, maganin chromatography gas da maganin sa barci. Har ila yau, ana amfani da shi a cikin haɗin gwiwar kwayoyin halitta da kuma a cikin samar da ma'aunin zafi na cryogenic. 5. Ana amfani da shi azaman sauran ƙarfi don yin ƙanƙara ta wucin gadi, maganin sa barci, da haɗa pentanol, isopentane, da makamantansu.

Babban amfani da n-hexane N-hexane ne mai kyau ba mai guba Organic sauran ƙarfi, yadu amfani a kayan lambu hakar mai, butyl, butadiene roba kwayoyin kira, propylene, olefin polymerization, Pharmaceutical matsakaici, fenti thinners, da karfe surface tsaftacewa na inji kayan aiki. Haɓakawa da babban aikace-aikacen n-hexane Ana amfani da babban kasuwa na n-hexane a cikin masana'antar leaching mai kayan lambu, wanda ke da fiye da 60% na adadin n-hexane. Yawancin aikace-aikacen da suka rage suna cikin masana'antar roba da sinadarai. Tun farkon shekarun 1960, kasashen yammacin duniya da suka ci gaba kamar Turai da Amurka gaba daya sun inganta "hanyar leaching" wajen samar da mai. Baya ga wasu ƙananan hako mai, man da ake samarwa a duniya ta hanyar "leaching method" ya mamaye kashi 95% na kasuwa. A halin yanzu, a cikin samar da mai na duniya, n-hexane shine babban kaushi don aikin samar da mai. Tabbas, ƙananan kamfanonin mai a Japan da Koriya ta Kudu suna amfani da isohexane a matsayin sauran abubuwan hakar. Tun daga karshen shekarun 1980, kasar Sin ta fara karfafa yin amfani da n-hexane a matsayin kaushi ga leaching mai. Halayen tsarin leaching na hexane: kewayon distillation na hexane gajere ne, sauran ƙarfi da abubuwa masu cutarwa suna canzawa sosai, kayan abinci mai gina jiki ba a lalata su da yanayin zafi mai yawa, ana haɓaka amincin mai cin abinci, da ƙarancin ƙarfi, ƙarancin ƙarfi. saura, yawan amfanin mai, mai sauƙin samar da sikelin masana'antu. A halin yanzu, kamfanonin da ke samar da man fetur na cikin gida da kasar Sin suke ba da tallafi da hadin gwiwa da kamfanoni masu zaman kansu suna amfani da n-hexane a matsayin kaushi na leaching. Wadannan kamfanoni suna samar da fiye da kashi 90% na man da ake ci a kasuwannin cikin gida. Amfani da n-hexane azaman kaushi mai haƙar mai shine tsananin buƙatu na jihar don masana'antar sarrafa mai da samfuran ingancin samfuran. Saboda haka, n-hexane ya zama samfurin da aka saba amfani da shi wajen sarrafa mai, wanda kuma shine hexane na gida da na waje a cikin 'yan shekarun nan. Fiye da No. 6 kaushi mai, butane da sauran kaushi sun zama mafi muhimmanci irin kayan lambu leaching sauran ƙarfi. Wani batu shi ne cewa a cikin masana'antar hakar mai, n-hexane yana da matsayi na musamman kuma wanda ba zai iya maye gurbinsa ba. N-hexane yana da taken "sarkin hakar". Ya zuwa yanzu, babu sauran sauran ƙarfi da ya iya wuce n-hexane a cikin hakar.

N-hexane tsarin samarwa Yawancin samar da hexane na kasashen waje suna amfani da hanyoyin tallan siye na kwayoyin halitta, irin su Richfielcd (Richfield) da Watson (Watson) a cikin Amurka, ta amfani da raffinate da aka sake ginawa azaman albarkatun ƙasa, ta hanyar sake yin amfani da gadaje biyu ko fiye don tallatawa. Latsa desorption don samar da n-hexane. Yawancin masana'antun hexane na gida suna amfani da tsarin distillation na hydrogenation, wanda ya kasu kashi biyu: Na farko, hydrogenation sannan gyara. Har ila yau, aka sani da pre-hydrogenation, da albarkatun kasa ne mai tsanani da zafi musayar, kai dauki zazzabi, shiga cikin hydrogenation reactor, desulfurization da dearomatization dauki a karkashin mataki na kara kuzari, da sauran ƙarfi man fetur da hydrogen cakuda shiga cikin tanki na rabuwa don rabuwa. , hydrogen farfadowa da na'ura, kaushi mai a cikin fractionation hasumiya Yanke cikin gama kayayyakin. Gabaɗaya magana, bayan hydrogenation na albarkatun ƙasa, har yanzu yana raguwa kuma a yanka shi zuwa n-hexane, da sauran nau'ikan sauran nau'ikan mai. Amfanin shi ne cewa duk albarkatun ƙasa suna dearomatized kuma sun ƙare, suna yin cikakken amfani da kowane samfurin. Rashin hasara shine cewa zuba jari yana da yawa kuma yawan amfani da kayan yana da yawa. Na biyu, gyara sai hydrogenation. Har ila yau ake magana a kai a matsayin post-hydrogenation, a cikin yanayin n-hexane, an fara yanke albarkatun kasa a cikin danyen hexane na 66-69 distillation range, da tsarki na danyen hexane yana inganta sosai, kuma tun lokacin da ƙungiyar phenyl ta kasance. wanda ke kunshe a cikin n-hexane, hexane a cikin danyen hexane Hakanan abun ciki yana karuwa sosai, sa'an nan kuma an sanya shi da hydrodebenzene desulfurization don samar da n-hexane mai inganci. Amfanin shi ne cewa zuba jari yana da ƙananan kuma yawan amfani da kayan yana da ƙananan. Rashin hasara shi ne cewa ba a amfani da ɓangaren da ba shi da ruwa yadda ya kamata.

Kewayon distillation na samfuran man fetur yana da alaƙa da abun ciki na abubuwan da suka dace. Idan kewayon distillation ya dace da buƙatun ka'idodin fasaha na samfur, yana nuna cewa abun ciki na abubuwan da suka dace ya dace da buƙatun don amfani, kuma kewayon distillation yana ɗaya daga cikin alamun inganci. Wurin tafasa na farko: Lokacin da digon farko na condensate ke digowa daga ƙarshen bututun na'urar, ana lura da karatun ma'aunin zafi da sanyio nan take. Busasshiyar wuri: Digon ruwa na ƙarshe wanda ke fitowa daga na'urar a lokaci guda yayin da ruwan da ke cikin filashin ɗin ya ƙafe nan take. A wannan lokacin, ana lura da karatun ma'aunin zafin jiki nan take. Koyaya, baya haɗa da kowane ɗigo ko fim ɗin ruwa akan bangon filashin distillation ko na'urar auna zafin jiki. Dole ne a ce busassun busassun ba shine wurin tafasa na ƙarshe ba, kuma wurin tafasa na ƙarshe shine mafi girman zafin jiki, wanda ke faruwa bayan duk ruwan da ke ƙasan filashin distillation ya ƙafe. Har ila yau, dole ne a jaddada cewa duk kayan da ake amfani da su na mai suna dogara ne akan busassun busassun. Rago: Idan ya bushe, ɓangaren da ba a distilled ana kiran shi saura. Kewayon distillation: Matsakaicin zafin jiki daga wurin tafasa na farko zuwa busassun busassun ko wurin tafasa na ƙarshe, wanda ake kira kewayon distillation. Wurin tafasa ba shine farkon tafasa ba, kuma wurin tafasa shine zafin jiki a lokacin tafasa. Har ila yau, kewayon tafasa ba shine kewayon distillation ba, kuma iyakar tafasa shine iyakar zafin jiki na tafasa. Sai kawai bayan tafasa, tururi yana samuwa don ƙaddamar da kayan da aka raba, don haka kewayon distillation ya fi tsayin tafasa, kuma babban iyaka na kewayon tafasa da ƙananan iyakar distillation sun zo daidai. Za'a iya maye gurbin ma'anar kayan tsabta mai tsabta kawai. Ma'anar lalata: Karatun ma'aunin zafi da sanyio mai dacewa da alamun farko na ruɓewar zafi a cikin ruwa a cikin filashin distillation. Kashi na farfadowa: Kashi na ƙarar da aka gani a cikin silinda mai karɓa yayin kallon karatun ma'aunin zafi da sanyio. Rago Kashi Kashi: Adadin kashi na ragowar man da ya rage a cikin filas bayan filashin distillation ya yi sanyi. Matsakaicin adadin dawowa: Saboda farkon ƙarewar distillation a wurin bazuwar, ana yin rikodin adadin dawo da daidaitaccen adadin ruwa a cikin adadin da aka karɓa. Jimlar kashi na dawowa: Jimlar matsakaicin matsakaicin kashi da ragowar kashi. Kashi ɗari: Jimlar dawo da kashi da asarar kashi. Rashin hasara na ɓangaren haske: Yana nufin asarar rashin daidaituwa na samfurin da aka canjawa wuri daga silinda mai karɓa zuwa gilashin distillation, asarar fitar da samfurin a lokacin distillation, da kuma asarar tururi maras nauyi a cikin gilashin distillation a ƙarshen distillation.

Wani babban jami'in kasuwanci na birnin Houston na jihar Texas ta Amurka ya bayyana a wata hira da kamfanin dillancin labarai na Xinhua na baya-bayan nan cewa, bikin baje kolin shigo da kayayyaki da za a yi a kasar Sin zai taimaka wa Houston wajen kara huldar cinikayya da kasar Sin. Horacio Licon, mataimakin shugaban kungiyar raya tattalin arziki ta Greater Houston Partnership, mai hidima a yankin Houston, ya shaidawa kamfanin dillancin labarai na Xinhua cewa, bikin baje kolin wata babbar dama ce ga Houston ta ci gaba da raya dangantakar cinikayya da kasar Sin. "Wannan wata babbar dama ce ta yin aiki tare da kasuwa mai mahimmanci," in ji Licon. "Kasar Sin ita ce kasa ta biyu mafi karfin tattalin arziki a duniya. Ita ce abokiyar cinikayya ta biyu mafi girma ga Houston. Don haka duk wani abu da zai taimaka mana wajen kara wannan alaka yana da matukar muhimmanci a gare mu." Daga ranar 5 zuwa 10 ga watan Nuwamba ne za a gudanar da bikin baje koli na kasa da kasa na kasa da kasa na kasar Sin (CIIE) a birnin Shanghai, daya daga cikin manyan biranen kasar Sin bisa yawan jama'a, kuma cibiyar hada-hadar kudi a duniya. A matsayin bikin baje kolin kayayyakin da ake shigowa da su kasashen waje na farko a duniya, CIIE ya nuna sauyin tsarin bunkasuwar tattalin arzikin kasar Sin daga mai dogaro da kai zuwa kasashen waje zuwa daidaita shigo da kayayyaki. Ana sa ran za ta ba da cikakken goyon baya ga 'yantar da harkokin ciniki da dunkulewar tattalin arziki a duniya, da kara bude kasuwannin kasar Sin ga duniya. Manazarta na ganin cewa, sabanin yadda duniya ke fuskantar kariyar ciniki, bikin baje kolin ya yi daidai da kokarin da kasar Sin ta dade tana yi na neman moriyar juna da ba da shawarar yin ciniki cikin 'yanci. Licon ya ce, irin wannan dandali na da matukar muhimmanci a yanzu, musamman ma a daidai lokacin da kasashen Sin da Amurka ke kara tabarbarewar cinikayya. "Akwai bukatar sanin sabbin sauye-sauyen da muke bukata mu bi domin sa kayayyakin su kai ga abokan cinikinsu," in ji Licon. "Don haka maimakon a rasa kima, ina tsammanin irin wannan taron ya fi mahimmanci a yanzu." A wata mai zuwa, Licon zai tafi birnin Shanghai, inda zai jagoranci tawagar wakilai 15 da ke wakiltar kamfanoni 12, wadanda suka hada da masana'antu daban-daban kamar fasaha, masana'antu, makamashi da dabaru. Licon ya ce yana son yin bincike da fahimtar yanayin kasuwanci a kasar Sin ta wannan dandalin. "Muna da sa rai ta fuskar fahimta da saurare kai tsaye daga takwarorinmu na kasar Sin kan kamfanoni masu zaman kansu da na gwamnati, da sakonnin da suka shafi makomar cinikayyar kasar Sin, da yadda gwamnati ke ganin makomar cinikayyar kasar Sin da yadda Houston za ta taka rawar gani. rawar a cikin wannan dangantakar, "in ji Licon. A bana shekara ce ta cika shekaru 40 da fara aiwatar da manufar yin gyare-gyare da bude kofa ga kasashen waje a kasar Sin, wanda hakan ya sa dangantakar Houston da Sin ta fara, in ji Licon. Licon ya ce, "Da gaske ne dangantakar dake tsakanin Houston da Sin ta fara magana a tarihi." "Saboda haka sabuwar dangantaka ce kuma wannan muhimmin ci gaban tattalin arziki ne ga kamfanoninmu da kuma abubuwan more rayuwa na kasuwanci, masu aiki ko tashoshin jiragen ruwa ko filayen jirgin sama." A cewar Licon, jimlar cinikin da aka yi tsakanin Houston da China a bara ya kai dalar Amurka biliyan 18.8. Kuma a cikin watanni shida na farkon shekarar 2018, cinikayyar kasashen biyu ta kai kusan dala biliyan 13. Ya ce yana sa ran adadin zai ci gaba da karuwa. "Muna sa ran karin girma a cikin 2018 gaba daya," in ji Licon. "Wannan sabon labari ne. Muna da wani abu da za mu bayar. Saboda haka, wannan labarin na baya-bayan nan zai ci gaba da bunkasa kuma akalla kididdigar na nuna kyakkyawan labari." Licon na fatan karfafa hadin gwiwa tsakanin Houston da Sin. Ya ce Houston na da daidaiton kasuwanci da kasar Sin a matsayin birni. Yana fatan karin kamfanonin kasar Sin za su zo su yi amfani da dukkan albarkatun da ake da su. "Muna ƙoƙarin nemo hanyoyin da za mu ci gaba da haɗin gwiwa da haɓaka kasuwanci ta hanyar da ta dace ga dukkan bangarorin," in ji Licon.