Buka ea litaelo tsa ho kenya li-valve Ho kenya le ho hlokomela valve e nang le mela ea fluorine e thibelang kutu

Buka ea litaelo tsa ho kenya li-valve Ho kenya le ho hlokomela valve e nang le mela ea fluorine e thibelang kutu

Li-valve tsa mocheso o tlaase li kenngoa mocheso oa sepakapaka. Ka ts'ebeliso e sebetsang, ha sehare se feta, se fetoha boemo ba mocheso o tlase. Ka lebaka la ho thehoa ha mocheso phapang, flanges, gaskets, liboutu le linate, joalo-joalo, honyela, 'me hobane thepa ea likarolo tsena ha li tšoane, linear bona katoloso coefficient e boetse e fapane, ho theha ho le bonolo haholo ho dutla maemo a tikoloho. Ho tloha boemong bona ba sepheo, ha ho tiisa liboutu ka mocheso oa sepakapaka, torque e nahanang ka lintlha tsa konteraka ea karolo ka 'ngoe ka mocheso o tlase o tlameha ho amoheloa.
1. Ho kenngoa le ho qhaqhoa ha li-valve
1.1 Mehato ea tlhokomelo bakeng sa tlhokomelo le ho Kenya
1). Sephahla se lokela ho kenngoa ka kamoreng e omeletseng le e nang le moea o hloekileng, 'me lipheletsong tse peli tsa bophara li lokela ho koaloa le ho thibela lerōle;
2). Ho boloka nako e telele ho lokela ho hlahlojoa khafetsa, 'me sebaka sa ho sebetsa se lokela ho tlotsoa ka oli ho thibela ho bola;
3) Pele o kenya valve, hlahloba ka hloko hore na letšoao le lumellana le litlhoko tsa tšebeliso;
4). Nakong ea ho kenngoa, sekoti se ka hare le sebaka sa ho tiisa se lokela ho hloekisoa, 'me ho phutheloa ho lokela ho hlahlojoa ho bona hore na ho hatelloa ka thata,' me liboutu tse kopanyang li lokela ho tiisoa ka ho lekana.
5). Valve e lokela ho kenngoa ho latela boemo bo amohelehang ba ho sebetsa, empa tlhokomelo e lokela ho lefshoa ho tlhokomelo le ts'ebetso e bonolo;
6) Ha u ntse u sebelisoa, u se ke ua bula karolo e itseng ea valve ea heke ho lokisa sekhahla sa phallo, e le hore u se ke ua senya sebaka sa ho tiisa ha sekhahla sa phallo se phahameng se le holimo, se lokela ho buleha ka ho feletseng kapa se koaloe ka ho feletseng;
7). Ha u bulela kapa u tima lebili la letsoho, u se ke ua sebelisa lisebelisoa tse ling tse thusang;
8). Likarolo tsa phetiso li lokela ho tlotsoa khafetsa; Belofo e lokela ho lula e tšetsoe ka oli karolong e potolohang le karolo ea khoele ea stem trapezoidal
9) Ka mor'a ho kenya, ho lokisoa kamehla ho lokela ho etsoa ho tlosa litšila ka har'a sekoti se ka hare, ho hlahloba sebaka sa ho tiisa le ho roala ha linate tsa valve;
10). Ho lokela ho ba le sete ea litekanyetso tsa mahlale le tse nepahetseng tsa ho kenya, tlhahlobo ea ts'ebetso ea tiiso e lokela ho etsoa molemong oa tlhokomelo, 'me ho lokela ho etsoa lirekoto tse felletseng bakeng sa lipatlisiso.
11) Litaba tse ling tse hlokang tlhokomelo:
1) Li-valve ka kakaretso li lokela ho behoa pele ho kenngoa liphaephe. Pipe e lokela ho ba ea tlhaho, boemo bo se ke ba hula ka thata, e le hore u se ke ua tlohela prestress;
2) Pele o beha belofo ea mocheso o tlase e lokela ho ba ka hohle kamoo ho ka khonehang sebakeng se batang (joalo ka naetrojene e nang le metsi) ho etsa tlhahlobo ea ho bula le ho koala, e feto-fetohe le ho se be le ketsahalo ea jamming;
3) Valve ea mokelikeli e lokela ho hlophisoa ka Angle ea 10 ° e sekameng pakeng tsa kutu le boemo ho qoba mokelikeli o phallang ho tsoa ka kutu le ho eketsa tahlehelo e batang; Habohlokoa le ho feta, hoa hlokahala ho qoba mokelikeli o amang holim'a ho tiisa holim'a ho paka, e le hore ho bata le ho thata le ho lahleheloa ke phello ea ho tiisa, ho fella ka ho lutla;
4) khokahanyo ea valve ea tšireletso e lokela ho ba setsoe ho qoba tšusumetso e tobileng holim'a valve; Ho phaella ho etsa bonnete ba hore valve ea tšireletso ha e na serame, e le hore e se ke ea sebetsa ho hlōleha;
5) ho kenngoa ha valve ea lefats'e ho lokela ho etsa hore tataiso ea phallo e bohareng e lumellane le motsu o tšoailoeng holim'a 'mele oa valve, e le hore khatello holim'a cone e ka holimo ha valve e koetsoe,' me ho paka ha ho tlas'a mojaro. Empa hase hangata ho buloa le ho koala 'me ho hlokahala ho tiisa ka tieo hore sebakeng se koetsoeng ha se lutla valve (e kang valve ea ho futhumatsa), e ka fetoloa ka hloko, ka thuso ea khatello e bohareng ho etsa hore e koalehe;
6) litlhaloso tse kholo tsa valve ea heke, valve ea taolo ea pneumatic e lokela ho kenngoa ka holimo, e le hore e se ke ea e-ba leeme ka lehlakoreng le leng ka lebaka la boima ba spool, eketsa moaparo oa mochine pakeng tsa spool le bushing, e leng se fellang ka ho lutla;
7) Ha u tiisa sekoti se hatellang, valve e lokela ho ba boemong bo bulehileng hanyenyane, e le hore e se ke ea senya sebaka sa ho tiisa holim'a valve;
8) Ka mor'a hore li-valve tsohle li be teng, li lokela ho buloa le ho koaloa hape, 'me li tšoanelehe haeba li fetoha habonolo' me li sa khomarele;
9) Ka mor'a hore tora e kholo ea karohano ea moea e pholile e se na letho, flange ea valve e kopanyang e tiisitsoe esale pele ha e le sebakeng se batang ho thibela ho tsoa ka mocheso oa kamore le ho lutla ka mocheso o tlase;
10) Ho thibetsoe ka thata ho hloa kutu ea valve joalo ka sekala nakong ea ho kenya
11) Valve e phahameng ea mocheso ka holimo ho 200 ℃, hobane ho kenngoa ho mocheso oa kamore, 'me ka mor'a tšebeliso e tloaelehileng, mocheso oa phahama, bolt ke ho atolosoa ha mocheso, lekhalo le eketseha, kahoo le tlameha ho tiisoa hape, le bitsoang "hot tight" , mosebeletsi o lokela ho ela hloko mosebetsi ona, ho seng joalo ho bonolo ho lutla.
12) Ha boemo ba leholimo bo bata 'me valve ea metsi e koetsoe ka nako e telele, metsi a ka mor'a valve a lokela ho tlosoa. Ka mor'a hore valve ea mouoane e emise mouoane, metsi a condensed le 'ona a lokela ho tlosoa. Botlaaseng ba valve bo sebetsa e le polaka ea terata, e ka buloang ho ntša metsi.
13) Li-valve tse se nang tšepe, tse ling tse thata tse thata, matla a mang a tlaase, ts'ebetso, matla a ho bula le ho koala a ke ke a ba a maholo haholo, haholo-holo a ke ke a etsa matla. Hape ela hloko ho qoba ho putlama ha ntho.
14) Ha valve e ncha e sebelisoa, ho paka ha hoa lokela ho hatelloa ka thata ho qoba ho tsuba, e le ho qoba khatello e matla holim'a stem, ho potlakisa ho apara, le ho bula le ho koala.
Corrosion resistance Ho kengoa le ho hlokomeloa ha li-valve tsa Fluorine Li-valve tse thibelang kutu le lisebelisoa tsa lipeipi tsa lesela, ka lebaka la thepa ea tsona ea tlhaho le ea lik'hemik'hale, li na le litšobotsi tse latelang ho kenyeng, ho lokisa le ho hlokomela sehlahisoa: Mareo le tlhaloso.
(a) Mofuta o felletseng oa lesela ka kakaretso o bua ka lebota le kahare la 'mele oa valve, sekoaelo sa valve le likarolo tse ling tsa khatello tse amanang ka kotloloho le sehare. Bokaholimo bo ka ntle ba kutu ea valve, poleiti ea serurubele, mokoko le selikalikoe le likarolo tse ling tse ka hare li koahetsoe ka botenya bo itseng ba valafo ea polasetiki e thibelang kutu ka mokhoa oa ho bopa. Lisebelisoa tse sebelisoang hangata ke F46, F3, F2, joalo-joalo. Fluorine lined valve ke mofuta oa likarolo tsa li-valve tse sebelisoang indastering, e ntse e e-na le mefuta e sa tšoaneng ea lihlopha tse fapaneng, lisebelisoa tsa li-valve tse nang le fluorine ho latela liphaephe tse fapaneng tse fapaneng tsa valve (anticorrosive). material), a re u tsebiseng eona ka botlalo.
Corrosion resistance fluorine lining valve installation le tlhokomelo ea fluorine lining valve ke lisebelisoa life
1, polyene bophara PO
Mokhoa o sebetsang: likhakanyo tse fapaneng tsa asiti le letsoai la alkali le metsoako e meng ea tlhaho. Mocheso o sebetsang: -58-80 likhato tsa Celsius.
Likarolo: Ke sesebelisoa se setle sa anticorROsive lefatšeng. E 'nile ea sebelisoa haholo ka lesela la lisebelisoa tse kholo le likarolo tsa liphaephe.
2, polyperfluoroethylene propylene FEP(F46)
Mocheso o sebetsang: motsoako ofe kapa ofe oa motsoako oa tlhaho, o hlapolla kapa o kenelletse ka har'a inorganic acid, alkali, joalo-joalo, mocheso: -50-120 likhato tsa Celsius.
Likarolo: LITLHAKISO TSA MOSEBETSI, LITŠOANTŠISO TSA MOTLOTLO LE HO TSAMAISA K'hemik'hale LI TŠOANA LE F4, EMPA MELEMO e hlahelletseng ke matla a phahameng a matla, khanyetso e ntle ea leholimo le mahlaseli.
3. Polytrifluoride PCTEF(F3)
Mocheso o sebetsang: li-solvents tse fapaneng tsa tlhaho, mokelikeli oa corrosion (oxidizing acid), mocheso: -195-120 likhato tsa Celsius.
Likarolo: Ho hanyetsa mocheso, thepa ea motlakase le botsitso ba lik'hemik'hale ho tlase ho F4, matla a mochine, boima bo molemo ho feta F4.
4, PTFE(F4)
Sesebelisoa se sebetsang: acid e matla, setsi se matla, sekontiri se matla, joalo-joalo Sebelisa mocheso -50-150 likhato tsa Celsius.
Likarolo: Botsitso bo botle ba lik'hemik'hale, ho hanyetsa mocheso o phahameng, ho hanyetsa serame, coefficient e tlase ea likhohlano, ke sesebelisoa se setle sa ho itlotsa, empa thepa e tlase ea mochini, metsi a fokolang, ho atolosoa ho hoholo ha mocheso.
5. Polypropylene RPP
Mocheso o sebetsang: tharollo e nang le metsi ea letsoai la inorganic, hlapolla kapa mokelikeli o qhibilihang o kopaneng oa li-inorganic acid le alkalis. Mocheso o sebetsang: -14-80 likhato tsa Celsius.
Likarolo: E 'ngoe ea li-plastiki tse bobebe bakeng sa lihlahisoa tsa eona. Matla a mahlahahlaha le a hatellang, boima bo botle haholo ka polyethylene ea khatello e tlase, e na le ho tiea ho ikhethang haholo; Ho hanyetsa mocheso o motle, ho bōptjoa ha bonolo, ka mor'a ho fetoloa ha theko e tlaase, motility, fluidity le elastic modulus ea ho khumama lia ntlafatsoa.
6, polyvinylidene fluoride PVDF(F2)
Seaplane se loketseng: E ​​hanana le boholo ba lik'hemik'hale le lihlapolli. Sebelisa mocheso -70-100 likhato tsa Celsius.
Likarolo: TENSILE STRENGTH LE COMPRESSION STRENGTH HO F4 F4, khanyetso ea ho kobeha, ho hanyetsa boemo ba leholimo, ho hanyetsa mahlaseli, ho hanyetsa khanya le botsofali, joalo-joalo, e khetholloa ka ho tiea ho hotle, ho bōptjoa habonolo.