Pamu vailaʻau, o le filifiliga saʻo o le pamu, o le filifiliga sese o le faʻalavelave faʻafuaseʻi pamu vailaʻau ma mea paipa mea e faʻafefeteina fua.

Pamu vailaʻau, o le filifiliga saʻo o le pamu, o le filifiliga sese o le faʻalavelave faʻafuaseʻi pamu vailaʻau valve ma pipeline mea e faʻafefeteina fua O le suauu ma le vailaʻau vailaʻau o loʻo nofoia se tulaga taua tele i le tamaoaiga o le atunuʻu, ma o le pamu faʻasolosolo o vailaʻau o se meafaigaluega lagolago autu ua i ai. ua sili atu ona gauai atu i ai. Ona o uiga lavelave o le vailaʻau vailaʻau, faʻatasi ai ma le faʻatupulaia o manaʻoga o le puipuiga o le siosiomaga, faʻafefea ona tatou filifilia le ituaiga pamu vailaʻau? O mea e tatau ona gauai atu i ai ma isi mea e sili ona taua. Xiaobian e talanoa ma oe e uiga i le filifiliga pamu vailaʻau e tatau ona gauai atu i mataupu! Fa'aaliga tasi: tete'e o le a'a O le pala o se tasi lea o lamatiaga o masini kemikolo. Afai e te faatamala, o le a faaleagaina meafaigaluega, ma o le mamafa o le a mafua ai faalavelave po o mala foi. E tusa ai ma faʻamaumauga talafeagai, e tusa ma le 60% o le faʻaleagaina o masini vailaʻau e mafua mai i le pala, o lea e tatau ai ona tatou gauai muamua i le natura faasaienisi o mea e filifilia pe a filifilia pamu vailaʻau. E masani lava ona i ai se le malamalama o le uamea uʻamea o le "meafaitino", e tusa lava po o le a le tulaga ma le siosiomaga o loʻo taofiofia ai le uamea, e matua matautia lava. O loʻo mulimuli mai mo nisi o vailaʻau masani masani e talanoa ai e uiga i manatu autu o le filifilia o mea: 1, sulfuric acid, I le avea ai o se tasi o ala o faasalalauga corrosive malosi, o le sulfuric acid o se mea sili ona lelei ma taua tau pisinisi. Eseese concentrations ma le vevela o le sulfuric acid i mea eseese corrosion mea e tele, mo le maualuga o le sili atu i le 80%, o le vevela e itiiti ifo i le 80 ℃ concentrated sulfuric acid, carbon sila ma lafo uʻamea e sili atu le corrosion tetee, ae e le talafeagai mo maualuga-saosaoa tafe o sulfuric acid, e le talafeagai mo mea valve pamu; Uamea u'amea masani e pei ole 304(0Cr18Ni9), 316(0Cr18Ni12Mo2Ti) e fa'atapula'aina fo'i le fa'aogaina mo le sulfuric acid medium. O le mea lea, o le valve pamu mo le faʻauluina o le sulfuric acid e masani lava ona faia i le maualuga-silikoni lafo uʻamea (tuʻu ma le faʻaogaina faigata), uʻamea uʻamea maualuga (No. 20 alloy), ae o lona faʻaogaina faigata ma taugata, o lea e le fiafia i ai. tagata. Fluorine palasitika u'amea ei ai se sulfuric acid tetee sili ona lelei, o le Saina Academy o Saienisi Shanghai Inisetiute o Organic Chemistry mea pateni, o le suesuega Saina Academy o Saienisi faamaonia e leai se ala vailaau e mafai ona tali atu i ai, o lea o le faaaogaina o le fluorine laina. pamu (F46) o se filifiliga sili atu le tamaoaiga. 2, hydrochloric acid Ole tele o mea u'amea e le mafai ona tete'e ile fa'ama'iina ole vai (e aofia ai le tele o mea u'amea u'amea), e mafai fo'i ona fa'aogaina le ferrosilicon o lo'o iai molybdenum mo le 50 ℃, 30% i lalo ole vaila'au fa'amalama. E ese mai i mea uʻamea, o le tele o mea e le o uʻamea e lelei le faʻafefeteina i le hydrochloric acid, o lea e laina ai pamu paʻu ma pamu palasitika (e pei o palasitika inisinia, palasitika fluorine, ma isi) o se filifiliga sili atu e felauaiga hydrochloric acid. 3, nitric acid O metals lautele e tele lava ina faaleagaina i le nitric acid, uamea uamea e masani ona faaaoga i mea e tetee ai nitric acid, o vaega uma o le nitric acid i le vevela o le potu e iai le malosi o le pala, e taua le taʻua o le molybdenum o loʻo i ai le uamea (e pei o le 316, 316L) tete'e a'a i nitric acid e le sili atu nai lo u'amea u'amea masani (pei o le 304, 321), o nisi taimi e sili atu ona leaga. Mo le maualuga o le vevela o le nitric acid, e masani ona faʻaaogaina mea faʻapipiʻi palasitika fluorine. 4, acetic acid, O se tasi o mea sili ona corrosive i acids organic. O le u'amea masani o le a matua pala i le acetic acid o fa'atonuga uma ma le vevela. u'amea u'amea o se mea e sili ona lelei acetic acid tetee, ma molybdenum 316 u'amea u'amea e mafai foi ona faaaoga mo le vevela maualuga ma dilute acetic acid ausa. Mo le maualuga o le vevela maualuga o le acetic acid poʻo le iai o isi mea leaga ma isi manaʻoga faigata, e mafai ona filifili uʻamea uʻamea maualuga poʻo pamu palasitika fluorine. E pei ole CQB pamu mageta, CQ uamea maneta pamu. 5. Fa'avae (sodium hydroxide) E masani lava e le malosi tele le corrosive, ae o le fofo lautele o le alkali o le a maua ai le tioata, o lea e mafai ai ona e filifilia le FSB type fluoroalloy alkali pamu ma le fa'amaufa'ailoga masini o le silica graphite 169 mea. 6. Ammonia (ammonia hydroxide) Ole a'a ole tele o u'amea ma mea e le o ni u'amea ile vai ammonia ma ammonia (ammonia hydroxide) e matua vaivai lava. E le tatau ona fa'aaogaina na'o apamemea ma apamemea. I le taimi nei, CQF inisinia palasitika pamu mageta, FSB fluorine alloy pamu centrifugal e sili atu. 7. Suavai masima (vai sami) Uamea masani i le sodium chloride solution ma le sami, e le maualuga tele le pala o le vai masima, e masani ona tatau ona faʻaogaina le puipuiga o le vali; O ituaiga uma o u'amea u'amea o lo'o i ai fo'i se fua fa'a'ala'au toniga e matua maualalo lava, ae e ono mafua ai le pala i le lotoifale ona o ion chloride, e masani lava 316 sili atu le sila. 8, ava malosi, ketones, esters, ethers Ala masani ava malosi e pei o le methanol, ethanol, ethylene glycol, propylene glycol, ketone, e pei o le medium, o loo i ai ituaiga uma o methyl esters medium, ethyl ester, ethers ala o faasalalauga e pei o le methyl eter, butyl eteru, o latou faavae e le malosi corrosive, o lea e mafai e tagata uma ona filifili uamea stainless masani, filifiliga sima e tatau foi ona tusa ai ma manaoga o meatotino dielectric ma e fesootai faia filifiliga talafeagai. E le gata i lea, e taua le matauina o le ketone, ester ma le ether e mafai ona solu i le tele o paʻu, ma aloese mai mea sese pe a filifilia mea faʻamau. E fautuaina e filifili inorganic faamaufaailoga fluorine palasitika pamu mageta. E tele isi faʻasalalauga e le mafai ona faʻafeiloaʻi i lenei tasi ma le tasi, i se faapuupuuga, i le filifilia o mea e le tatau ona faʻafuaseʻi ma tauaso, e tatau ona faʻatalanoa faʻamatalaga sili atu ona talafeagai pe aʻoaʻo mai le poto masani. Fa'aaliga lua: fa'afitauli fa'amaufa'ailoga pamu vaila'au E leai se li'o o le tuliloaina e fa'avavau o mea fa'a vaila'au, ma o le mana'oga lea na saofagā i le fa'ateleina o le fa'aogaina o pamu mageta. Ae ui i lea, o loʻo i ai pea se auala umi e alu i le ausia o le leai o se leakage, e pei o le ola tautua o le pamu faʻamama maneta, le pala o mea, le faʻamaoni o le faʻamaufaʻailoga faʻamau ma isi. O nisi o faʻamatalaga autu e uiga i le faʻamaufaʻailogaina o loʻo faʻaalia puupuu e pei ona taua i lalo: 1. Faʻamaufaʻailoga Faʻamau Mo faʻamaufaʻailoga faʻamau, e masani lava e naʻo le lua ituaiga o gasket ma faʻamaufaʻailoga, ma o le mama faʻamaufaʻailoga e faʻaaogaina lautele i le O-mama. Mo faʻamaufaʻailoga malosi, pamu vailaʻau faʻamau faʻamaufaʻailoga, e seasea faʻaaogaina e tuʻuina atu le faʻamuamua i le faʻamaufaʻailoga faʻainisinia, faʻamaufaʻailoga faʻainisinia ma foliga tasi ma foliga faʻalua, faʻataʻitaʻiga paleni ma le leai o se paleni, faʻataʻitaʻiga paleni e talafeagai mo le faʻamaufaʻailoga o le maualuga o le mamafa (e masani lava. e faasino i le mamafa e sili atu nai lo le 1.0 MPa), e faʻaogaina le masini faʻamaufaʻailoga mata lua mo le maualuga o le vevela, faigofie ona faʻamalama, viscosity, ma mea faʻafefete oona e aofia ai mea iti, O le faʻamaufaʻailoga masini e lua e tatau ona tui le faʻamavaeina o le vai i totonu o le faʻamaufaʻailoga, ma o le mamafa e masani ona maualuga atu nai lo le mamafa 0.07 ~ 0.1MPa. 2. mea fa'amaufa'ailoga vaila'au maneta pamu fa'amaufa'ailoga fa'amaufa'ailoga e masani ona fa'aogaina le pa'u fluorine, fa'apitoa fa'apitoa na'o le fa'aaogaina o meafaitino PTFE; O le faʻatulagaina o mea o le faʻamaufaʻailoga faʻainisinia mama e sili atu ona taua, e le o se mea faʻapipiʻi malosi i luga o le uʻamea malo e sili atu, o le tau e maualuga i le tasi lima, o le lua e leai se leaga leaga e le talafeagai, o lea e sili atu ai le faʻailoga tagata e tusa ai ma uiga. o le auala. Fa'aaliga tolu: fa'afitauli viscosity O le viscosity o le alalaupapa e i ai se aafiaga tele i le fa'atinoga o le pamu. A faʻateleina le viscosity, e paʻu le paʻu o le ulu o le pamu, ma faʻaitiitia le ulu ma tafe i tulaga lelei o galuega, aʻo faʻatupuina le mana, o lea e faʻaitiitia ai le lelei. E masani lava, o faʻataʻitaʻiga i luga o le faʻataʻitaʻiga o le faʻatinoina o le felauaiga o vai mama, ma e tatau ona faʻataunuʻuina le liua pe a felauaiga faʻasalalauga viscous (faʻamolemole vaʻai i le siata faʻaliliu talafeagai mo faʻatonuga faʻasaʻo o viscosity eseese). Mo le felauaiga o slurry viscosity maualuga, faapipii ma viscous vai, e fautuaina e filifili pamu simei. Fa'avae filifiliga o le pamu I le fa'apipi'iina o meafaigaluega, e fuafua ai le fa'aogaina o le pamu ma fa'atinoga fa'atinoga ma filifili le ituaiga pamu. O lenei filifiliga muamua e tatau ona amata mai le filifiliga o le ituaiga ma foliga o le pamu, o le a la le mataupu faavae e filifili ai le pamu? O le ā le faavae? 1. Fai le ituaiga ma le faʻatinoga o le pamu filifilia e fetaui ma manaʻoga o le tafe o le masini, ulu, mamafa, vevela, alauni cavitation, suction ma isi faʻasologa o gaioiga. 2, e tatau ona faʻamalieina manaʻoga o uiga faʻapitoa Mo le tuʻuina atu o mea faʻafefe, mea pāpā, oona poʻo le taua o le pamu, e manaʻomia le faʻamaufaʻailoga faʻamau ina ia faʻatuatuaina pe leai se pamu, e pei o le pamu mageta (leai se faʻamaufaʻailoga, le fa'aogaina o le ta'avale fa'amaneta fa'amama); Mo le tu'uina atu o pamu fa'a'a'a'a, e mana'omia vaega fa'afefete e fa'aogaina mea e fa'asa'o ai mea, e pei ole pamu fa'a'ala'au fa'a'ele'ele palasitika fluorine; Mo le tuʻuina atu o pamu o loʻo i ai ni mea faʻapitoa, e manaʻomia le faʻaogaina o mea faʻapipiʻi e faʻaaogaina mea e faʻafefeteina, ma pe a manaʻomia, e fufulu le faʻamaufaʻailoga i le vai mama. 3, manaʻoga faʻainisinia o le maualuga o le faʻatuatuaina, maualalo le pisa, vibration laʻititi. 4. Fa'atatau sa'o le tau fa'aofi mo le fa'atauina o pamu. 5, felauaiga auala corrosive (e pei o le "concentrated sulfuric acid, concentrated nitric acid"), felauaiga afi mumu ma pa, le faaaogaina o le siosiomaga e le tatau ona i ai so o se filogia: e mafai ona filifili pamu mageta, e pei o le "CQB faasologa mageta pamu, IMD. faʻasologa pamu maneta, pe afai e te manaʻomia le faʻapipiʻiina e le tagata lava ia, e mafai ona filifili FZB fluorine palasitika pamu pamu 6. IHF centrifugal pamu ma FSB centrifugal pamu o loʻo i ai uiga o le saoasaoa maualuga, voluma laiti, mamafa mama, maualuga le lelei, tafe tele. fausaga faigofie, leai se pulsation infusion, faatinoga mautu, faagaoioiga faigofie ma le tausiga talafeagai, e pei o le faaaogaina o tulaga e aunoa ma manaoga faapitoa, e mafai ona filifili le pamu centrifugal e sili atu 7, o le auina atu o pamu vaituloto o meameamea, o vaega convection e mana'omia le fa'aogaina o mea fa'aofuofu: UHB pamu sima o se filifiliga sili atu o mea, UHB corrosion tete'e ofuina-tetee pamu sima mea mo le tikeri aupito maualuga o fou inisinia palasitika UHBWPE, o se suiga ultra-maualuga mole mamafa mamafa (sili atu i le 5 miliona) polyethylene. Faatasi ai ma palasitika, e sili ona lelei le ofuina. Faʻatusatusaga faʻataʻitaʻiga o loʻo faʻaalia ai e sili atu le maualuga o lona faʻaogaina o le uʻamea nai lo le uʻamea uʻamea, ma o loʻo i ai uiga faʻapitoa e pei o le aʻafiaga o le aʻafiaga, faʻalavelave fetolofi ma le faʻafefeteina lelei (faʻatusatusa i le F4), faʻapea foʻi ma le le faʻapipiʻi. 8. A o'o i lalo ole tulaga fa'apipi'i ole pamu: FZB fluoroplastic self-priming pamu e tatau ona filifilia. Afai e te manaʻomia foʻi ona faʻafeiloaʻi uiga o le pamu mageta, e mafai ona filifilia le pamu mageta ZMD fluoroplastic self-priming 9, e tusa ai ma le faʻaogaina o le pamu e filifili ai se faʻataʻitaʻiga sili atu: pe a le mafai ona maua le faʻaogaina o manaʻoga i le laulau faʻataʻitaʻiga. o le faʻataʻitaʻiga talafeagai e mafai ona faʻasino i le faʻaogaina o le pamu e filifili le ituaiga pamu sili ona talafeagai. pamu vaila'au