Kayayyaki
Kwarewa a cikin samar da barasa na propargyl, 1,4 butynediol da 3-chloropropyne.
Propargyl tsarin samar da barasa da kuma nazarin kasuwa
Properties da aikace-aikace na 2 propargyl barasa
2.1 Kyakkyawan aiki mai kyau da watsawa
Propargyl barasa yana da karfi polarity da hydrophilicity, domin ya ƙunshi -OH, da kuma hydrophobicity ne saboda ya ƙunshi hydrocarbon kungiyar, saboda wadannan kaddarorin sa propargyl barasa a matsayin non-ionic surfactant, nuna kyakkyawan aiki, tare da kyau low kumfa, defoaming da wettability.Yawancin abubuwan jika suna kumfa cikin sauƙi, yayin da mafi yawan abubuwan da ke lalata kumfa ba su da ƙarancin ruwa.Idan aka kwatanta da sauran surfactants, alkyl alcohols suna da ƙananan nauyin kwayoyin halitta, ingantacciyar yaduwa mai sauƙi, watsawa mai kyau, mai kyau wettability da ƙananan kumfa.A daya hannun, alkyl alcohols ƙunshi hydrocarbon tushe reshe kungiyoyin sarkar, mafi yawa kananan kungiyoyin (gaba daya methyl), akwai biyu polar kungiyoyin a cikin tsarin.Saboda wannan tsarin sinadarai, alkyl alcohols suna da kyau wettability.A gefe guda, sarƙoƙi na alkyl a cikin barasa na propargyl na iya rage sha'awar tsakanin ƙwayoyin maƙwabta da kuma samar da fim ɗin faɗaɗawa mai ƙarfi da numfashi a kan iyakar gas-ruwa.Don haka, ba wai kawai ba ta samar da kumfa ba, har ma yana da wasu iyawar cire kumfa, kuma ana iya haɗe shi da sauran masu lalata kumfa don taka rawa sosai.
2.2 Kyakkyawan hana lalata ƙarfe
A halin yanzu, masu hana lalata ƙarfe da aka yi amfani da su a cikin kafofin watsa labaru na acidic galibi sune mahadi na halitta, waɗanda ke da ƙarfin tallan talla akan saman ƙarfe.Tsarin kwayoyin halitta na barasa propargyl ya haɗa da ƙungiyoyin polar da ƙungiyoyi marasa iyaka.Yana da adsorbent na kwayoyin lalata inhibitors.A gefe guda, haɗin gwiwar daidaitawa da aka kafa tsakanin barasa na propargyl da atom ɗin ƙarfe suna haɓaka tallan barasa zuwa wani matsayi.A lokaci guda, haɗin PI a cikin kwayoyin barasa na propargyl ya raunana, haɗin haɗin gwiwa sau uku yana kunna, kuma ƙungiyar polar hydroxyl tana kusa da haɗin acetylene, wanda ke haɓaka adsorption.A cikin matsakaicin alkaline, barasa proparynyl na iya tallata Langmuir akan tsantsar aluminium, wanda ke da tasirin hana lalata.Propargyl barasa ne saboda kyakkyawan aikinsa, yana da fa'ida mai yawa na amfani, galibi ana amfani da shi a cikin magungunan magunguna, jan ƙarfe ko nickel plating goge, matsakaicin pesticide.Bugu da ƙari, ana iya amfani da barasa na propargyl a matsayin mai hana lalatawar zafin jiki, matsa lamba da babban taro hydrochloric acid a cikin man fetur da iskar gas Wells.
2.3 Aikace-aikacen barasa na propargyl
① Muhimmiyar mahimmanci a cikin haɗin gwiwar kwayoyin halitta: a cikin masana'antun magunguna, proparynol shine muhimmin matsakaici na sodium fosfomycin, calcium fosfomycin, sulfadiazine, kuma ana amfani dashi a cikin samar da allyl barasa, acrylic, bitamin A da sauran kayan magani;② Electroplating masana'antu mai haske: propargyl barasa mahadi suna da kyau uniformity da glossiness, kuma mai kyau haske juriya a nickel plating.Shine nau'in nickel plating na zamani na ƙarni na huɗu, wanda ake amfani dashi sosai a masana'antar lantarki;③ Muhimmancin cire tsatsa: barasa proparynyl da mahadi na ƙasa na iya hana lalata ƙarfe, jan ƙarfe, nickel da sauran ƙarfe ta abubuwan acid kamar acetic acid, phosphoric acid, sulfuric acid, hydrochloric acid;(4) Ci gaban man fetur: yawan zafin jiki, matsanancin matsa lamba da kuma babban maida hankali na hydrochloric acid corrosion inhibitors sune mahimman abubuwan da ke da tasiri na masu hana lalata acid a cikin rijiyoyin mai da gas;Ana iya amfani da ⑤ azaman ƙarfi, chlorinated hydrocarbon stabilizer, fungicide da sauran albarkatun ƙasa.
Tsarin samarwa
A halin yanzu, hanyar shirye-shiryen da aka fi amfani da shi na barasa na propargyl a gida da waje shine amsawar formaldehyde da acetylene don samar da barasa na propargyl da butynediol, wanda propargyl barasa ya zama samfurin butynediol.Ta hanyar daidaita madaidaicin ƙarar iskar gas na acetylene, haɓaka ƙarfin amsawa, ƙayyade ƙimar pH mafi kyau, ƙimar propargyl barasa da butynediol na iya kaiwa 1: 1.6, don haɓaka zaɓin barasa na propargyl.Tsari: Ƙara jan ƙarfe oxygenated mai kara kuzari a cikin tankin kunnawa, ƙara ruwa mai laushi, motsawa na kimanin minti 20, sannan a zuba cakuda mai kara kuzari da ruwa a cikin tanki mai motsawa tare da famfo.An ƙara ruwa mai laushi da formaldehyde a cikin tanki mai motsawa don shirya maganin da aka yi amfani da shi wanda ya ƙunshi 6% ~ 10% formaldehyde.Ruwan da ke motsawa an jefa shi a cikin reactor tare da famfo ciyarwar plunger bisa ga ƙimar da aka auna, kuma an fara kwampreshin acetylene don daidaita yawan kwararar acetylene da sarrafa saurin amsawa.A atomatik zafin jiki da kuma matsa lamba kula da tsarin na reactor aka fara sarrafa zafin jiki na reactor a 90 ~ 130 ℃ da matsa lamba a (2.0 ± 0.1) MPa.Tsarin amsawa yana kewayawa bayan fitarwa, kuma fitarwa ta koma cikin tankin da aka zuga.An gano abun ciki na formaldehyde a cikin kayan bayan 0.5h.Lokacin da ragowar formaldehyde ya kasance ƙasa da 0.3%, an dakatar da sake zagayowar kuma an zubar da maganin amsawa a cikin tanki mai tsaka-tsaki tare da abun ciki na propargyl da butanediol na kusan 4% da 6%, bi da bi.Mai haɓakawa a cikin tsarin samarwa yana buƙatar sauyawa akai-akai, kuma lokacin maye gurbin shine kwanaki 30 zuwa 40.Ana amfani da Nitrogen tare da mai kara kuzari don cire abu daga tsarin yayin sauyawa.Bayan rabuwa ta hanyar tacewa ta matsa lamba, ragowar mai kara kuzari ana sanya shi a cikin tankin ajiya da aka kashe kuma a rufe shi da ruwa.An rubuta sabon mai kara kuzari zuwa cikin zagayowar na gaba na tsarin batching.
Propargyl barasa kasuwar bincike
Dezhou Tianyu Chemical Co., Ltd. ne daya daga cikin 'yan cikin gida samar da propargyl barasa da butanediol manyan Enterprises, da shekara-shekara fitarwa na propargyl barasa 1200T, butanediol 2400T, da kuma ingancin Jamus BASF daidai.Henan Haiyuan Fine Chemical Co., Ltd. haɓakawa da haɓaka aikin bisa tushen tsarin samar da Shandong Dongfang Le, tare da fitowar shekara-shekara na 1200T propionyl barasa da 2400T butanediol.A kasar Sin, ana amfani da barasa proparynyl a cikin hada magunguna, sodium phosphate, calcium phosphate, sulfonamide da magungunan kashe qwari, wanda ya kai kusan kashi 60% na jimillar.Rapid nickel plating da flash plating sun kai kashi 17%.Yawan man fetur ya kai kashi 10%;Rabon Karfe kusan kashi 8 ne;Sauran masana'antu suna lissafin kusan kashi 5%.Propargyl barasa wani sinadari ne mai guba wanda ke kula da samarwa, tallace-tallace da amfani.Magunguna ne na ƙasa, magungunan kashe qwari, kafofin watsa labarai na ƙarfe da sauran fannonin taimako ko ɗaya daga cikin abubuwan.Ya zuwa ƙarshen 2017, ingantaccen ƙarfin samar da gida ya kasance 4,770T / a, kuma buƙatar ta kasance kusan 4,948T / a.Abubuwan da ake samarwa da buƙatu suna daidaitawa, tare da ƙarancin lokaci lokaci-lokaci.
Ya ƙare
A halin yanzu, gasar kasuwar propanol ta cikin gida tana da zafi, babban filin aikace-aikacen sa shine samfuran fosfomycin na masana'antar harhada magunguna, ta hanyar sa ido kan cin zarafin ƙwayoyin cuta na ƙasa da ƙoƙarin kare muhalli na masana'antar lantarki, masu amfani da propanol a cikin ɗan gajeren lokaci ba su karu ba.A halin yanzu, muna ƙoƙarin ƙara haɓaka sabon tsarin amsawa, ci gaba da haɓaka yawan amfanin ƙasa na barasa, da ƙoƙarin rage yawan kuzarin samfuran barasa na propargyl.Aiwatar da waɗannan ayyuka za su ƙara rage farashin kayayyakin barasa na propargyl, da haɓaka gasa na samfuran, da ƙoƙarin saduwa da buƙatun kasuwancin gida da na waje na barasa propargyl da jerin samfuran, don ƙirƙirar ƙarin fa'idodin tattalin arziki da zamantakewa.
