Bakeng sa ts'ebetso e tloaelehileng ea litsamaiso tse ngata tsa likoloi, liphaephe tse hanyetsanang le oli, peterole le libaka tse ling tse mabifi lia hlokahala.Liphaephe tse hanyetsanang le oli le peterole (MBS) li sebelisoa e le liphaephe tse joalo - bala ka lihlahisoa tsena, mefuta ea tsona, moralo le litšobotsi tse hlahang sehloohong sena.
Hose e hananang le oli ke eng?
E hanana le oli le peterolehose (MBS hose, MBS hose) ke pipeline e tenyetsehang e etselitsoeng ho fana ka (phepelo, pompo) peterole, mafura a disele, oli, marole a mariki le lihlahisoa tse ling tsa peterole, hammoho le lipholi, litharollo tsa asiti tse fokolang le mecha e meng ea litaba e mabifi.
Li-hoses tsa MBS li sebelisoa bakeng sa ho kopanya hermetic ea likarolo tsa mafura, oli, brake le litsamaiso tse ling tsa likoloi, lits'ebetsong tsa hydraulic tsa thepa ea tlhahiso ea khatello e tlase le e phahameng, bakeng sa ho pompa lihlahisoa tsa peterole lipakeng tsa litanka le lisebelisoa tse fapaneng, joalo-joalo. lumella ho falla ha likarolo tsa tsamaiso tse amanang le tse ling, li hanela ho senyeha le liphello tse mpe hantle.Sena sohle se ile sa lebisa ts'ebelisong e atileng ea li-hose tsa MBS makaleng a fapaneng a theknoloji, indasteri, joalo-joalo.
Mefuta le litšobotsi tsa li-hose tsa MBS
Li-hoses tsa MBS (li-hoses) li arotsoe ho latela lisebelisoa tse ka sehloohong tsa tlhahiso, morero le ts'ebetso, le litšobotsi.
Ho ea ka thepa ea tlhahiso, li-hoses ke:
• Rubber - likarolo tse ka hare le tse ka ntle tsa hose (li-sleeves) li entsoe ka mefuta e sa tšoaneng ea rabara e hanyetsanang le metsi le likhase tse itseng;
• PVC - hose e entsoe ka mefuta e sa tšoaneng ea polyvinyl chloride le li-polymers tse ling tse hanyetsanang le libaka tse sa tšoaneng tse mabifi.
Ho ea ka morero, li-hoses tsa MBS li arotsoe ka lihlopha tse tharo:
• Khatello - e etselitsoeng ho sebetsa tlas'a khatello e eketsehileng (ho tloha sepakapaka le holimo), mehato e nkiloe ka moralo oa bona ho thibela ho senyeha le ho phunyeha ha marako ka mokelikeli o kentsoeng;
• Suction - e etselitsoeng ho sebetsa tlas'a khatello e fokotsehileng (ka tlas'a sepakapaka), mehato e 'nile ea nkoa ka moralo oa bona ho thibela ho hatelloa ha marako tlas'a ketso ea vacuum (ho boloka karolo e sa khaotseng ea ka hare);
• Khatello ea bokahohleng.
Ho ea ka ts'ebetso, li-hoses li ka aroloa ka lihlopha tse 'maloa:
• Bakeng sa ho sebelisoa bophelong ba letsatsi le letsatsi, mabenkele a ho lokisa likoloi le maemong a mang ntle le ho kenya hose likoloing kapa lisebelisoa tse ling;
• Bakeng sa lisebelisoa tsa mafura a koloi;
• Bakeng sa litsamaiso tsa braking tsa likoloi ka tšebeliso ea mokelikeli o sebetsang o thehiloeng ho liminerale le oli ea maiketsetso;
• Bakeng sa litsamaiso tsa hydraulic tsa likoloi, mechini ea likoloi, mechini ea temo, indasteri le lisebelisoa tse ling;
• Bakeng sa lisebelisoa tsa ho tlatsa mafura (bakeng sa ho pompa mafura le oli, ho fana ka mafura ho bareki, joalo-joalo).
Qetellong, li-hoses li arotsoe ka mefuta e 'meli mabapi le motlakase o tsitsitseng:
• Li-hose tse tloaelehileng;
• Li-hoses tse fatše ho khelosa motlakase o tsitsitseng.
Moqapi oa li-hoses tsa mofuta oa bobeli, ho fanoa ka lesela la koporo, le phethang karolo ea ho theola fatše.Li-hose tsena tsa MBS li sebelisoa mochining le lisebelisoa tsa ho tlatsa mafura, lisebelisoa tsa indasteri, jj.
Har'a litšobotsi tsa litšitiso tsa SBS, ho lokela ho hlokomeloa:
• Khatello ea ts'ebetso - bakeng sa ho hula - 0.09 MPa (0.9 atmospheres), bakeng sa ho tsoa - tekanyo e tloaelehileng ea 0.1, 0.16, 0.25, 0.4, 0.63, 1.0, 1.6, 2.5, 4, 6.3 le 10 MPa (ho tloha 0 ho ea ho 10 sepakapaka). ;
• Bophara ba ka hare - ho tloha ho 3 ho ea ho 25 mm (li-hose tsa PVC) le ho tloha ho 4 ho ea ho 100 mm (li-hose tsa rabara);
• Bophara ba ka ntle - ho itšetlehile ka botenya ba marako, mofuta oa braid, boteng ba ho matlafatsa, joalo-joalo E le molao, bophara ba ka ntle ke makhetlo a 1.5-3 ho feta bophara bo ka hare;
• Boemo ba mocheso o sebetsang.
Ka thoko, e tlameha ho boleloa ka paramente ea ho qetela.Kajeno, li-hoses tsa MBS li hlahisoa bakeng sa libaka tse tharo tsa boemo ba leholimo, li fapana ka mocheso o phahameng o lumelletsoeng o fosahetseng:
• Bakeng sa maemo a leholimo a futhumetseng - ho fihlela ho -35 ° C;
• Bakeng sa maemo a leholimo a tropike - ho fihlela ho -20 ° C;
• Bakeng sa maemo a leholimo a batang - ho fihla ho -50 ° C.
Mocheso o motle ka ho fetisisa bakeng sa li-hoses tsohle o tšoana - ho fihlela ho + 70 ° C bakeng sa mafura (peterole, parafine, mafura a diesel) le ho fihlela ho + 100 ° C bakeng sa oli.
Moralo oa hose oa MBS
Li-hoses tsa PVC (li-tubes) li hlophisitsoe habonolo.Boemong bo bonolo ka ho fetisisa, ena ke hose, marakong ao ho nang le masela a masela kapa terata.Ho boetse ho na le mefuta e mengata ea li-tubes tsa PVC - li na le lesela le ka hare le hanyetsanang haholo le mafura, oli le lino tse ling.Matlafatso a ka behoa karolong e ka ntle kapa pakeng tsa lihlopha.
Li-hoses tsa rabara ka moralo li arotsoe ka lihlopha tse 'maloa:
• E sa matlafatsoe ka ho matlafatsa khoele (GOST 10362-76);
• Ho se matlafatsoe ka khoele / masela a matlafatsang le foreimi ea textile (GOST 18698-79);
• Ho matlafatsoa ka mefuta e tšoanang (GOST 5398-76).
Li-hose tse sa matlafatsoang tse nang le khoele li hlophisitsoe habonolo, ke sebopeho sa mekato e meraro:
Sebopeho sa hose ea rabara e matlafalitsoeng MBS
1.Lera le ka hare ke rabara e hanyetsanang le oli, mafura le lino tse ling;
2.Thread / textile reinforcement - braid e entsoeng ka maiketsetso, k'hothone kapa likhoele tse kopantsoeng / masela, a ka etsoa ka lihlopha tse 1-6;
3.Lera le ka ntle ke rabara e hanyetsanang le tšusumetso e mpe ea tikoloho, oli le mafura, lik'hemik'hale tse sa tšoaneng, joalo-joalo.
Li-Hoses tse nang le foreimi ea masela li na le lesela le eketsehileng la kantle - lesela la masela le entsoeng ka masela a maiketsetso, a k'hothone kapa a kopaneng.The foreime e leqeba holim'a hose ka mekhahlelo e mengata.Hangata mofuta ona oa sehlahisoa o bitsoa durite kapa li-hoses tse nang le li-durite braiding.
Li-hoses tse matlafalitsoeng, ho eketsoa lera la rabara le bohareng, leo ho lona ho kenngoa terata ea tšepe kapa ea koporo (ho ea ka litekanyetso tsa malapeng) kapa mesh e tšesaane ea tšepe.Matlafatso a ka ba le karolo e le 'ngoe kapa tse peli, empa ho na le li-sleeve tse khethehileng tse nang le matlafatso a matla a mangata.Lesela la fatše la koporo le ka behoa karolong e le 'ngoe ea hose.
Mefuta e meng ea li-hose tsa rabara e na le lisebelisoa tsa ho qetela ka lehlakoreng le le leng kapa ka bobeli.Li-hoses tse joalo, e le molao, li etselitsoe ho kenngoa likarolong tse itseng, likopano le litsamaiso tsa likoloi le lisebelisoa tse ling, li khaola ka boholo bo lakatsehang 'me li na le litšobotsi tse hlokahalang.
Litšobotsi, li-nomenclature le tlhahiso ea li-hoses tsa rabara MBS li laoloa ke litekanyetso tse ka holimo le tse ling.Li-hoses tse tšoanang tsa PVC ha li na tekanyo e le 'ngoe, li hlahisoa ho latela litlhaloso tse fapaneng.
Litaba tsa khetho le ts'ebetso ea li-hose tsa MBS
Mefuta e fapaneng ea liphaephe tse hananang le oli
Ha u khetha li-hose tse hanang oli, hoa hlokahala ho ela hloko morero oa bona oa kamoso le maemo ao lihlahisoa tsena li tla sebetsoa ho ona.
Bakeng sa ts'ebeliso ea poraefete molemong oa ho pompa mafura kapa oli, hose ea PVC e theko e tlase e lekane - e bobebe, e bonolo ho e boloka ebile e bonolo ho e sebelisa (marako a pepeneneng a u lumella ho fumana hore na phallo ea mokelikeli o teng, joalo-joalo).
Bakeng sa tokiso ea mafura, lubrication, braking le litsamaiso tse ling tseo ho tsona ho bolokoang khatello e ntseng e eketseha ea mochini o sebetsang, ho lokela ho sebelisoa li-hoses tsa rabara tsa MBS.Ha u reka, ho hlokahala hore u khethe bophara bo nepahetseng ba ka hare le litšobotsi - khatello ea ho sebetsa le mocheso oa mocheso.Tabeng ena, ho boetse hoa hlokahala ho hlokomela li-clamps le lisebelisoa tsa ho qetela bakeng sa ho kenya hose.
Hangata, bakeng sa ho lokisoa ha litsamaiso tse ling, likarolo le likopano, ho rekisoa li-hoses tse nang le lisebelisoa tsa ho qetela tse seng li kentsoe - ena ke tharollo e nepahetseng e bolokang nako le chelete (kaha ha ho hlokahale ho khaola hose ka bolelele le ho kenya lisebelisoa), le e fana ka ts'epo e kholo ea sistimi.
Bakeng sa lits'ebetso tsa indasteri le tse ling tse khethehileng, hoa hlokahala ho khetha li-hose tsa MBS tse nang le litšobotsi tse itseng, ho kenyelletsa le monyetla oa ho theola fatše, lihlahisoa tsa bophara bo boholo, li-hose tsa mofuta o itseng oa lino, jj.
Lisebelisoa tsa ho qetela tsa li-hose tsa MBS
Ho etsa khetho e nepahetseng ea hose, o hloka ho ela hloko ho tšoaea ha eona.Ho ea ka litekanyetso, ho tšoaea ho kenyelletsa pontšo ea bophara ba ka hare le ka ntle, khatello ea ho sebetsa, phetoho ea boemo ba leholimo le GOST, e lumellanang le sehlahisoa sena.Ka mohlala, ho tšoaea "Hose 20x30-1 GOST 10362-76" ho bolela hore hose e na le bophara bo ka hare ba 20 mm, bophara bo ka ntle ba 30 mm, khatello ea ho sebetsa ea 1 MPa 'me e etselitsoe ho sebetsa libakeng tse futhumetseng le tsa tropike. .Ho ba teng ha litlhaku "HL" ho bontša monyetla oa ho sebelisa hose libakeng tse batang.Li-hoses tse hanyetsanang le oli le peterole ho latela GOST 18698-79 li tšoailoe ka mofuta oa "Sleeve B (I) -10-50-64-T" - moo "B (I)" e bolelang ho sebetsa ha sehlahisoa bakeng sa ho sebetsa ka peterole le oli, palo ea pele ke khatello ea ho sebetsa sepakapakeng, lipalo tse peli tsa ho qetela ke bophara ba ka hare le ka ntle, lengolo la ho qetela ke phetoho ea boemo ba leholimo ("T" - bakeng sa boemo ba leholimo ba tropike, "U" - mocheso. , "HL" - bata).Hoses ho ea ka GOST 5398-76 e na le letšoao le tšoanang la mofuta oa "Hose B-2-25-10 GOST 5398-76", moo "B-2" e leng tšebeliso ea sehlahisoa sa ho sebetsa ka mafura le oli, "25 " ke bophara bo ka hare (bophara bo ka ntle ha bo bontšoe), 'me 10 ke khatello e sebetsang moeeng.E boetse e bontša mofuta oa boemo ba leholimo (bakeng sa maemo a leholimo a futhumetseng - a sa tšoauoa, bakeng sa tropike - "T", bakeng sa serame - "HL").
Ho tseba sena, o ka khetha habonolo hose e hlokahalang, 'me u rarolle mesebetsi ka kholiseho.
Nako ea poso: Aug-22-2023