Ngwaahịa
Ọpụrụiche na mmepụta nke mmanya propargyl, 1,4 butynediol na 3-chloropropyne.
Usoro mmepụta mmanya Propargyl na nyocha ahịa
Njirimara na ngwa nke 2 propargyl mmanya
2.1 Ọmarịcha elu ọrụ na mgbasa
Propargyl mmanya nwere polarity siri ike na hydrophilicity, n'ihi na ọ nwere -OH, na hydrophobicity bụ n'ihi na ọ nwere hydrocarbon otu, n'ihi na ihe ndị a na-eme propargyl mmanya dị ka onye na-abụghị ionic surfactant, na-egosi magburu onwe arụmọrụ, na ezi ala ụfụfụ, defoaming na wettability.Ọtụtụ ndị na-eme mmiri mmiri na-afụ ngwa ngwa, ebe ọtụtụ ndị na-emebi ụfụfụ kemịkalụ enweghị mmiri mmiri na-adịghị mma.Tụnyere ndị ọzọ surfactants, alkyl alcohols nwere obere molekụla arọ, dịtụ mfe mgbasa, ezi mgbasa, ezi wettability na obere ụfụfụ.N'otu aka ahụ, alkyl alcohols nwere hydrocarbon base branched chain group, ọtụtụ n'ime obere ìgwè (n'ozuzu methyl), e nwere abụọ pola otu na Ọdịdị.N'ihi usoro kemịkalụ a, alkyl alcohols nwere ezigbo mmiri mmiri.N'aka nke ọzọ, agbụ nke alaka alkyl na mmanya propargyl nwere ike ibelata mmasị dị n'etiti ụmụ irighiri ihe ndị gbara agbata obi wee mepụta ihe nkiri mgbasawanye na-ekpo ọkụ na nke na-eku ume na oke gas-mmiri.Ya mere, ọ bụghị nanị na ọ naghị emepụta ụfụfụ n'onwe ya, kamakwa ọ nwere ụfọdụ ikike nkwụsịtụ, ma nwee ike ịgwakọta ya na ndị ọzọ na-eme ka ọkpụkpụ na-eme ka ọ rụọ ọrụ ka ukwuu.
2.2 Mgbochi corrosion metal mara mma
Ka ọ dị ugbu a, ndị na-egbochi ihe mgbochi nke ígwè a na-eji na mgbasa ozi acidic bụ ọtụtụ ogige organic, nke nwere ikike mgbasa ozi siri ike n'elu igwe.Usoro ihe omimi nke mmanya propargyl gụnyere ndị otu polar na ndị na-abụghị polar.Ọ bụ adsorbent nke organic corrosion inhibitors.N'otu aka ahụ, njikọ nhazi n'etiti mmanya propargyl na atom metal na-akwalite mgbasa mmanya na-aba n'anya ruo n'ókè ụfọdụ.N'otu oge ahụ, njikọ PI na molekul mmanya propargyl na-ada mbà, njikọ atọ ahụ na-arụ ọrụ, na polar hydroxyl otu dị nso na njikọ acetylene, nke na-eme ka mgbasa ozi dịkwuo elu.Na ọkara alkaline, mmanya proparynyl nwere ike itinye Langmuir na aluminom dị ọcha, nke nwere mmetụta mgbochi corrosion dị mma.Alcohol Propargyl bụ n'ihi arụmọrụ ya dị oke mma, nwere ọtụtụ ihe eji eme ihe, nke a na-ejikarị na etiti ọgwụ, ọla kọpa ma ọ bụ nickel plating polish, pesticide intermediate.Tụkwasị na nke ahụ, a pụkwara iji mmanya na-aba n'anya propargyl mee ihe dị ka onye na-egbochi corrosion nke okpomọkụ dị elu, nrụgide dị elu na elu acid hydrochloric acid na mmanụ na gas Wells.
2.3 Ngwa nke mmanya propargyl
① Mkpa etiti dị mkpa na organic njikọ: na ụlọ ọrụ ọgwụ, proparynol bụ ihe dị mkpa etiti nke sodium fosfomycin, calcium fosfomycin, sulfadiazine, na-eji na mmepụta nke allyl mmanya, acrylic, vitamin A na ndị ọzọ na-emepụta ọgwụ na ngwaahịa;② Electroplating ụlọ ọrụ brightener: propargyl mmanya ogige nwere ezigbo edo edo na glossiness, na ezigbo ìhè iguzogide na nickel plating.Bụ a ahụkarị ọgbọ anọ nickel plating brightener, ọtụtụ ebe na-eji na electroplating ụlọ ọrụ;③ Ihe na-ewepụ nchara dị mkpa: mmanya proparynyl na ogige ndị dị n'okpuru ya nwere ike igbochi corrosion nke ígwè, ọla kọpa, nickel na ọla ndị ọzọ site na ihe acid dị ka acetic acid, phosphoric acid, sulfuric acid, hydrochloric acid;(4) Mmepe mmanụ ala: okpomọkụ dị elu, nrụgide dị elu na ndị na-emechi ihe mgbochi hydrochloric acid corrosion bụ isi ihe dị irè nke ndị na-eme ihe na-eme ka acid corrosion na-arụ ọrụ nke ọma na mmanụ na gas Wells;Enwere ike iji ⑤ mee ihe mgbaze, chlorinated hydrocarbon stabilizer, fungicides na akụrụngwa ndị ọzọ.
Usoro mmepụta
Ka ọ dị ugbu a, usoro nkwadebe a na-ejikarị eme ihe maka mmanya propargyl n'ụlọ na ná mba ọzọ bụ mmeghachi omume nke formaldehyde na acetylene iji mepụta mmanya propargyl na butynediol, nke mmanya propargyl bụ ihe sitere na butynediol.Site n'ịgbanwe oke oriri nke acetylene gas, meziwanye mmeghachi omume mmeghachi omume, chọpụta uru pH kacha mma, oke nke mmanya propargyl na butynediol nwere ike iru 1: 1.6, iji meziwanye nhọrọ nke mmanya propargyl.Usoro: Tinye ọla kọpa oxygenated catalyst n'ime tank na-arụ ọrụ, gbakwunye mmiri na-eme ka ọ dị nro, kpalie ihe dị ka 20min, ma wụsa ngwakọta nke ihe na-emepụta ihe na mmiri n'ime tank na-akpali akpali na mgbapụta.A na-agbakwunye mmiri ahụ dị nro na formaldehyde na tank a na-eme ka ọ dị njikere iji dozie ngwọta nke nwere 6% ~ 10% formaldehyde.A na-agbanye mmiri mmiri na-akpali akpali n'ime reactor na plunger feed pump dị ka ọnụego a tụrụ atụ, na acetylene compressor amalitere imezi ọnụego acetylene ma na-achịkwa ọsọ mmeghachi omume.The akpaka okpomọkụ na nsogbu akara usoro nke reactor malitere ịchịkwa okpomọkụ nke reactor na 90 ~ 130 ℃ na nrụgide na (2.0 ± 0.1) MPa.Usoro mmeghachi omume na-ekesa mgbe ọ gbasasịrị, na nkwụsị ahụ na-alaghachi na tank ahụ kpaliri.Achọpụtara ọdịnaya nke formaldehyde na ihe ahụ mgbe 0.5h gasịrị.Mgbe formaldehyde fọdụrụnụ na-erughị 0.3%, a kwụsịrị okirikiri ahụ wee tinye ngwọta mmeghachi omume n'ime tank nke etiti nwere propargyl na butanediol dị ihe dị ka 4% na 6% n'otu n'otu.Ihe na-eme ka a na-emepụta ihe na-emepụta ihe kwesịrị ka edochie ya mgbe niile, na oge ngbanwe bụ ụbọchị 30 ruo 40.A na-eji Nitrogen na-ejikọta ya na ihe na-eme ka ọ dị na ya wepụ ihe dị na usoro ahụ n'oge nnọchi.Mgbe nkewa site na nzacha nrụgide, a na-etinye ihe nkedo nke fọdụrụ na tankị nchekwa ihe eji emefu ma jiri mmiri mechie ya.Edere ihe mkpali ọhụrụ ahụ n'ime okirikiri na-esote sistemụ batching.
Nyocha ahịa mmanya Propargyl
Dezhou Tianyu Chemical Co., Ltd. bụ otu n'ime ole na ole anụ ụlọ mmepụta nke propargyl mmanya na butanediol nnukwu ụlọ ọrụ, kwa afọ mmepụta nke propargyl mmanya 1200T, butanediol 2400T, na àgwà nke Germany BASF Ẹkot.Henan Haiyuan Fine Chemical Co., Ltd kwalitere ma kwalite ọrụ ahụ dabere na usoro mmepụta mbụ nke Shandong Dongfang Le, yana mmepụta kwa afọ nke 1200T propionyl mmanya na 2400T butanediol.Na China, a na-ejikarị proparynyl mmanya na-emepụta ọgwụ, sodium phosphate, calcium phosphate, sulfonamide na pesticides, na-aza ihe dịka 60% nke mkpokọta.Ngwa ngwa nickel plating na flash plating ruru 17%.Mmepụta mmanụ bụ ihe dịka 10%;Oke igwe dị ihe dịka 8 pasent;Ụlọ ọrụ ndị ọzọ nwere ihe dịka 5%.Alcohol Propargyl bụ kemịkalụ na-egbu egbu nke na-enwe mmetụta maka mmepụta, ịzụ ahịa na ojiji.Ọ bụ ọgwụ mgbada, ọgwụ pesticide, mgbasa ozi igwe na mpaghara ndị ọzọ nke inyeaka ma ọ bụ otu n'ime ihe mejupụtara ya.Dị ka njedebe nke 2017, ikike mmepụta ụlọ dị irè bụ 4,770T / a, na ọchịchọ bụ ihe dịka 4,948T / a.Nbunye na ihe a na-achọ bụ n'ụzọ ziri ezi, yana ụkọ oge ụfọdụ.
kwubiri
Ka ọ dị ugbu a, asọmpi ahịa ụlọ propanol dị oke egwu, nnukwu ngwa ngwa ya bụ ngwaahịa fosfomycin nke ụlọ ọrụ ọgwụ, site na nlekọta nke ọgwụ nje na mba na-ahụ maka nchekwa gburugburu ebe obibi, ndị ọrụ propanol na-agbada n'okpuru obere oge abawanyeghị.Ka ọ dị ugbu a, anyị na-agbalị ịkwalite usoro mmeghachi omume ọhụrụ, na-emeziwanye mkpụrụ nke mmanya propargyl mgbe niile, ma na-agbalịsi ike ibelata oriri ike nke ngwaahịa mmanya propargyl.Mmezu nke ọrụ ndị a ga-ebelata ọnụahịa nke ngwaahịa mmanya propargyl, meziwanye asọmpi nke ngwaahịa, ma gbalịsie ike imezu ọchịchọ ụlọ na mba ọzọ maka mmanya propargyl na usoro ngwaahịa, iji mepụta uru akụ na ụba na nke ọha mmadụ.
