Thetlhahiso ea formaldehyde, ts'ebetso ea bohlokoa liindastering, e hloka taolo e nepahetseng holim'a mahloriso a kahare a methanol le formaldehyde ho netefatsa boleng ba sehlahisoa, katleho ea ts'ebetso, le ho latela melao. Formaldehyde, e hlahisoang ka oxidation ea catalytic ea methanol, ke karolo ea bohlokoa ho li-resin, likhomaretsi, polasetiki le meriana, empa esita le ho kheloha hanyane homahloriso a methanolkapamahloriso a formaldehydeho ka lebisa ho polymerization, ho fokotseha ha chai, kapa ho se latele maemo a thata a polokeho.
Li-sensor tsa mahloriso tsa Methanol,li-meter tsa mahloriso tsa formaldehyde,li-monitor tsa mahloriso tsa formaldehydeleli-analyzer tsa mahloriso tsa formaldehydefana ka tlhokomelo e nepahetseng le e sebetsang ka nako ea sebele, e nolofalletsang basebetsi ba lifeme ho boloka maemo a karabelo a matle le ho fokotsa ho se sebetse hantle ho turang.
Selelekela se Akaretsang sa Ts'ebetso ea Lik'hemik'hale
Formaldehyde, k'hemik'hale e feto-fetohang e sebelisoang nthong e 'ngoe le e 'ngoe ho tloha ho likhomaretsi tsa lehong ho ea ho metsoako ea meriana, e hlahisoa ka ho kenngoa ha methanol ka har'a lik'hemik'hale tse hlahisang formaldehyde. Ho boloka khatello e tsitsitseng ea methanol le khatello ea formaldehyde ho bohlokoa ho fihlela litekanyetso tse thata tsa boleng.
Disensor tsa mahloriso a methanol le di-analyzer tsa mahloriso a formaldehyde ke disebediswa tsa bohlokwa bakeng sa ho fihlella ho nepahala hona. Disebediswa tsena di fana ka data ya nako ya sebele, di fedisa tieho le diphoso tse amanang le ho nka disampole ka letsoho, mme di nolofalletsa basebetsi ho ntlafatsa maemo a karabelo, ho fokotsa tshenyo, le ho netefatsa ho latela melao ya tikoloho le polokeho.
Khemistri le Ts'ebetso ea ho Kopanya Formaldehyde
Ho kopanngoa ha formaldehyde ho kenyelletsa ho kenngwa ha methanol ka khatalytic, e leng ts'ebetso e ntlafalitsoeng ka mashome a lilemo ho fihlela litlhoko tsa liindasteri tse kang tlhahiso ea lik'hemik'hale le meriana. Karabelo ena ea exothermic e susumetsoa ke silevera kapa iron-molybdenum, ka mouoane oa methanol o kopantsoeng le moea ebe o fetisetsoa holim'a catalyst ka har'a reactor.
Formaldehyde e hlahang e monyela ka hara tharollo ya metsi, hangata e tsitsisoa ka 10–15% methanol ho thibela polymerization ho ba paraformaldehyde. Ts'ebetso ena e hloka taolo e nepahetseng ya mahloriso a methanol ka hara feedstock le mahloriso a formaldehyde ka hara reactor le sehlahiswa sa ho qetela ho netefatsa chai e ngata.
Mekhahlelo ea bohlokoa e kenyelletsa:
Tokisetso ea Methanol
Ho netefatsa hore phepelo e na le khakanyo e nepahetseng ea methanol ea metsi (hangata 50-60 wt%) ho ntlafatsa katleho ea karabelo.
Ho ntša oksijene
Ho laola karolelano ea methanol-air le maemo a reactor ho eketsa tlhahiso ea formaldehyde le ho fokotsa lihlahisoa tse ling tse kang formic acid.
Ho monya
Ho monya formaldehyde ka metsing ho etsa formalin, ho hloka tekanyo e nepahetseng ea mahloriso a formaldehyde ho thibela ho etsoa ha polymer.
Polokelo le Tsitsiso
Ho eketsa di-stabilizer tsa methanol ho boloka bongata ba formaldehyde le ho thibela ho senyeha.
Hobaneng Taolo ea Khatello ea Maikutlo e Lekaneng e le ea Bohlokoa
Ho boloka tekanyo e nepahetseng ea mahloriso a methanol le tekanyo ea mahloriso a formaldehyde ho bohlokoa ka mabaka a 'maloa. Methanol e ngata haholo ka har'a phepelo ea lijo e ka lebisa ho oxidation e sa fellang, ea fokotsa chai ea formaldehyde le ho eketsa litšila. Ka lehlakoreng le leng, methanol e sa lekaneng e ka bolaea karabelo, ea fokotsa tlhahiso. Mokhahlelong oa ho monya, mahloriso a phahameng a formaldehyde (a fetang 50 wt%) a beha polymerization kotsing, e leng se etsang hore ho be le lintho tse tiileng tsa paraformaldehyde tse koalang lisebelisoa le ho sitisa ts'ebetso.
Mekhoa ea setso ea ho beha leihlo, joalo ka chromatography ea khase e sa sebelisoeng kapa titration, e ja nako ebile e sekamela ho etsa liphoso, e liehisa liketso tsa tokiso. Li-sensor tsa mahloriso a Methanol le li-monitor tsa mahloriso a formaldehyde li fana ka data e tsoelang pele, ea nako ea sebele, e nolofalletsang basebetsi ho fetola likarolelano tsa feedstock, maemo a reactor, le ho eketsa stabilizer hang-hang, ho netefatsa boleng bo tsitsitseng ba sehlahisoa le katleho ea ts'ebetso.
Selekanyi se Khothaletsoang sa Lonnmeter Inline Concentration
Methara ea mahloriso ea ultrasonic ea Lonnmeter e sebetsa ka ho lekanya nako ea phetisetso ea maqhubu a ultrasound ho tloha mohloling oa lets'oao ho ea ho moamoheli, ho hakanya lebelo la molumo ho bala bongata le mahloriso. Mokhoa ona ha o angoe ke lipululana, foam, kapa conductivity ea mokelikeli, 'mala, kapa ponaletso, ho netefatsa ts'epo e phahameng libakeng tse thata joalo ka limela tsa tlhahiso ea formaldehyde.
Ho ba sieo ha likarolo tse tsamaeang ho felisa ho tsofala ha mechine, ho netefatsa ts'ebetso e tsitsitseng ha nako e ntse e ea. Moralo o sa sitiseng oa mithara o fokotsa tlhokomelo, 'me thepa ea eona e sa senyeheng e mamella lik'hemik'hale tse matla, e leng se etsang hore e lokele limela tsa meriana tse sebetsanang le litharollo tsa formaldehyde le methanol.
Maano a ho Kenya le ho Kopanya
Ho eketsa katleho ea li-analyzer tsa formaldehyde concentration, ho kenngoa ha maano hoa hlokahala. Li-sensor tsa concentration tsa Methanol li lokela ho beoa meleng ea lijo ho netefatsa boleng bo tsitsitseng ba ho kenya, ha li-meter tsa concentration tsa formaldehyde li loketse libaka tsa ho ntša li-reactor le likholomo tsa ho monya ho lekola ho thehoa ha sehlahisoa le botsitso. Litsamaiso tse sa hlokeheng li ka sebelisoa ho boloka ts'ebetso e tsoelang pele nakong ea tlhokomelo, ho fokotsa nako ea ho se sebetse.
Ho kopanngoa le litsamaiso tsa taolo ea limela ho lumella liphetoho tse iketsahallang, joalo ka ho laola sekhahla sa phepo ea methanol kapa litlatsetso tsa stabilizer, ho latela data ea nako ea sebele. Ho leka-lekanya khafetsa ka litharollo tse tloaelehileng ho netefatsa ho nepahala ha tekanyo, haholo-holo maemong a feto-fetohang a tlhahiso ea formaldehyde.
Melemo ea Lonnmeter Inline Concentration Meter
Ho Ntlafatsa Bokgoni ba Ts'ebetso
Ho amohelwa ha di-sensor tsa mahloriso a methanol le di-monitor tsa mahloriso a formaldehyde ho ntlafatsa haholo bokgoni ba tshebetso dimeleng tsa tlhahiso ya formaldehyde. Ka ho fana ka data ya nako ya sebele, disebediswa tsena di thusa basebetsi ho lemoha le ho lokisa diphapang tsa mahloriso hanghang, ho fokotsa kotsi ya ditshitiso tsa tshebetso. Mohlala, ho boloka mahloriso a methanol a metsi a lekaneng ka hara phepelo ho thibela oxidation e sa fellang, ho eketsa chai le ho fokotsa tshenyo. Ka ho tshwanang, tekanyo e nepahetseng ya mahloriso a formaldehyde mohatong wa ho monya e thibela polymerization, ho fokotsa ditshila tsa disebediswa le ditjeo tsa tlhokomelo.
Limeleng tsa petrochemical, lisebelisoa tsena li ntlafatsa tšebeliso ea methanol, li fokotsa litšenyehelo tsa lijo, ha lifemeng tsa meriana, li netefatsa boleng bo mahareng bo tsitsitseng, li fokotsa mosebetsi o mocha. Likhakanyo tsa indasteri li bontša hore ho beha leihlo ka hare ho ka fokotsa tšebeliso ea matla ka ho fihla ho 10% le ho boloka nako e ngata ea basebetsi ka ho iketsetsa lits'ebetso tsa tlhahlobo.
Ho netefatsa Boleng ba Sehlahisoa le ho Latela Melao
Lihlahisoa tse thehiloeng ho formaldehyde, tse kang li-resin tsa urea-formaldehyde le metsoako ea meriana, li tlameha ho fihlela litekanyetso tse thata tsa boleng le polokeho. Bahlahlobi ba mahloriso a formaldehyde ba netefatsa hore sehlahisoa sa ho qetela (mohlala, formalin) se boloka mahloriso a nepahetseng (37-50 wt%) le litaba tsa stabilizer, ho thibela ho senyeha le ho netefatsa ts'ebetso lits'ebetsong tse kang likhomaretsi le lipente.
Melao ea tikoloho, e susumetsoang ke chefo ea formaldehyde, e hloka taolo e tiileng ea mosi o tsoang. Limithara tse ka hare li thusa lifeme ho beha leihlo le ho fokotsa mosi o tsoang formaldehyde, ho fokotsa kotsi ea likotlo le ho ntlafatsa botsitso. Sena se bohlokoa haholo lifemeng tsa petrochemical, moo tlhahiso e kholo e eketsang litlamorao tsa tikoloho.
Lipoloko tsa Litšenyehelo le Boleng ba Nako e Telele
Melemo ea lichelete ea li-meta tsa mahloriso tsa formaldehyde e kholo haholo. Ka ho beha leihlo ka boiketsetso, lisebelisoa tsena li fokotsa litšenyehelo tsa basebetsi tse amanang le ho nka sampole ka letsoho, e leng se ka bolokang lihora letsatsi le letsatsi mesebetsing e meholo. Li boetse li fokotsa litšila ka ho thibela tekanyo e feteletseng kapa e tlase ea methanol le li-stabilizer, ho ntlafatsa tšebeliso ea lijo. Poloko ea matla e finyelloa ka ho boloka maemo a karabelo a matle ka ho fetisisa, ho fokotsa tlhoko ea ho futhumatsa kapa ho pholisa ho feteletseng li-reactor le li-unit tsa ho monya.
Ho tšoarella ha limithara tsena, tse hahiloeng ka thepa e sa senyeheng ke mafome, ho netefatsa ho tšepahala ha nako e telele maemong a thata a tlhahiso ea formaldehyde. Litlhoko tsa tsona tse tlase tsa tlhokomelo le kopanyo le litsamaiso tsa taolo li etsa hore e be letsete le theko e tlaase bakeng sa lifeme tsa tlhahiso ea lik'hemik'hale le lifeme tsa petrochemical tse batlang ho ntlafatsa phaello.
Ho khetha sensor ea mahloriso ea methanol kapa sesebelisoa se nepahetseng sa ho sekaseka mahloriso sa formaldehyde ho hloka ho nahana ka hloko ka lintlha tse kang ho nepahala, mocheso, mokhoa oa ho kenya, thepa, jj.
Lipotso Tse Botsoang Khafetsa
Li-sensor tsa mahloriso tsa Methanol li ntlafatsa tlhahiso ea formaldehyde joang?
Li-sensor tsa mahloriso a methanol li fana ka tlhokomelo ea nako ea sebele ea boleng ba lijo, ho netefatsa tekanyo e ntle ea mahloriso a methanol bakeng sa oxidation e sebetsang hantle ea catalytic. Sena se thibela likarabelo tse sa fellang 'me se eketsa chai lifemeng tsa tlhahiso ea formaldehyde, se ntlafatsa botsitso ba sehlahisoa.
Melemo ea Li-Analyzer tsa Formaldehyde Concentration ke efe?
Bahlahlobi ba mahloriso a formaldehyde ba netefatsa hore tekanyo e nepahetseng e fella ka ho ba le mahloriso a formaldehyde, ba thibela ho polymerization le ho netefatsa hore ho latela meeli ea taolo. Ba fokotsa litšila le ho ntlafatsa katleho lifemeng tsa tlhahiso ea lik'hemik'hale le lifemeng tsa meriana.
Na Methapo ea Khatello ea Inline e ka Mamella Maemo a Formaldehyde Synthesis?
Li-monitor tsa sejoale-joale tsa mahloriso a formaldehyde li etselitsoe ho sebetsa ka mokhoa o tšepahalang tlas'a mocheso o phahameng le maemo a senyang a tlhahiso ea formaldehyde. Li entsoe ka thepa e matla, li netefatsa ts'ebetso ea nako e telele le tlhokomelo e nepahetseng.
Li-sensor tsa mahloriso tsa methanol, formaldehydelimithara tsa mahloriso, bahlokomedi, le bahlahlobi ba bohlokwa bakeng sa ho laola mahloriso a kahare ho formaldehyde synthesis, ho nolofalletsa dimela tsa tlhahiso ya formaldehyde, dimela tsa tlhahiso ya dikhemikhale, dimela tsa petrochemical, le dimela tsa meriana ho fihlella bokgoni ba tshebetso. Ka ho fana ka data e nepahetseng le ya nako ya sebele, disebediswa tsena di ntlafatsa maemo a karabelo, di fokotsa tshenyo, mme di netefatsa ho latela maemo a thata a polokeho le tikoloho. Na o se o loketse ho ntlafatsa tshebetso ya hao ya tlhahiso ya formaldehyde? Ikopanye le lonnmeter ho hlahloba dimithara tse tswetseng pele tsa mahloriso tse etseditsweng ditlhoko tsa hao, ho notlolla bokgoni le boleng mesebetsing ya hao.
Nako ea poso: Phuptjane-27-2025
