Nts'etsopele e tsoelang pele ea indasteri ea li-valve (1967-1978)
01 Ntlafatso ea indasteri e ameha
Ho tloha 1967 ho ea ho 1978, ka lebaka la liphetoho tse kholo tikolohong ea sechaba, nts'etsopele ea indasteri ea li-valve le eona e amehile haholo.Lipontšo tsa mantlha ke:
1. Belofo sehlahisoa se fokotsehile haholo, 'me boleng bo fokotsehile haholo
2. Belofo tsamaiso ea lipatlisiso tsa saense e seng e qalile ho ba teng e amehile
3. Lihlahisoa tsa li-valve tsa khatello e bohareng li fetoha nako e khutšoanyane hape
4. Tlhahiso e sa reroang ea li-valve tsa khatello e phahameng le e bohareng e ile ea qala ho hlaha
02 Nka mehato ea ho lelefatsa "mohala o mokhuts'oane oa valve"
Boleng ba lihlahisoa kabelofoindasteri e fokotsehile ka ho teba, 'me ka mor'a hore ho thehoe lihlahisoa tsa nako e khutšoanyane tsa li-valve tse phahameng le tse mahareng, mmuso o nka bohlokoa bo boholo ho sena.Ofisi ea Boima le Kakaretso ea Lekala la Pele la Mechine e thehile sehlopha sa li-valve ho ikarabella bakeng sa phetoho ea tekheniki ea indasteri ea li-valve.Ka mor'a lipatlisiso le lipatlisiso tse tebileng, sehlopha sa li-valve se ile sa beha "Tlaleho ea Maikutlo mabapi le Nts'etsopele ea Mehato ea Tlhahiso ea Li-Valves tse Phahameng le tse Bohareng", e ileng ea romeloa ho Komisi ea Merero ea Naha.Kamora lipatlisiso, ho ile ha etsoa qeto ea ho tsetela li-yuan tse limilione tse 52 indastering ea li-valve ho etsa phetoho ea tekheniki ho rarolla bothata ba khaello e kholo ea khatello e phahameng le e mahareng.li-valve le ho theoha ha boleng kapele kamoo ho ka khonehang.
1. Likopano tse peli tsa Kaifeng
Ka May 1972, Lefapha la Pele la Mechini le ile la tšoara nahabelofoSimposiamo ea mosebetsi oa indasteri e Kaifeng City, Profinseng ea Henan.Kakaretso ea lihlopha tse 125 le baemeli ba 198 ba tsoang lifemeng tsa li-valve tse 88, litsi tse 8 tse amehang tsa lipatlisiso le meralo ea mahlale, liofisi tse 13 tsa liprofinse le tsa masepala le basebelisi ba bang ba bile teng kopanong.Seboka se ile sa etsa qeto ea ho tsosolosa mekhatlo e 'meli ea indasteri le marang-rang a bohlale,' me a khetha Kaifeng High Pressure Valve Factory le Tieling Valve Factory e le baeta-pele ba lihlopha tse phahameng tsa khatello le khatello e tlaase, le Hefei General Machinery Research Institute le Shenyang Valve Research. Setsi se ne se ikarabella bakeng sa mosebetsi oa marang-rang oa bohlale.Seboka se boetse se tšohlile le ho ithuta ka litaba tse amanang le "lintlafatso tse tharo", ho ntlafatsa boleng ba sehlahisoa, lipatlisiso tsa tekheniki, karohano ea lihlahisoa, le nts'etsopele ea indasteri le mesebetsi ea bohlale.Ho tloha ka nako eo, mesebetsi ea indasteri le ea bohlale e ileng ea sitisoa ka lilemo tse tšeletseng e qalile hape.Mehato ena e phethile karolo e kholo ho khothaletseng tlhahiso ea li-valve le ho khutlisa boemo ba nako e khuts'oane.
2. Tsoela pele mesebetsi ea mokhatlo oa indasteri le phapanyetsano ea tlhahisoleseling
Ka mor'a Seboka sa Kaifeng ka 1972, lihlopha tsa indasteri li ile tsa tsosolosa mesebetsi ea tsona.Ka nako eo, ke lifeme tse 72 feela tse ileng tsa kenya letsoho mokhatlong oa indasteri, 'me lifeme tse ngata tsa li-valve li ne li e-s'o kopanele mokhatlong oa indasteri.E le ho hlophisa lifeme tse ngata tsa li-valve ka hohle kamoo ho ka khonehang, sebaka ka seng se hlophisa mesebetsi ea indasteri ka ho latellana.Shenyang High and Medium Pressure Valve Factory, Beijing Valve Factory, Shanghai Valve Factory, Wuhan Valve Factory,Fektheri ea Valve ea Tianjin, Gansu High and Medium Pressure Valve Factory, le Zigong High Pressure Valve Factory ke tsona tse ikarabellang bakeng sa Libaka tse ka Leboea-bochabela, Leboea-bochabela, Chaena, Bochabela bo Hare, Boroa-Bohareng, Leboea-bophirimela le Boroa-bophirimela.Nakong ena, indasteri ea li-valve le mesebetsi ea bohlale e ne e fapane ebile e beha litholoana, 'me e ne e ratoa haholo ke lifeme tsa indasteri.Ka lebaka la nts'etsopele ea mesebetsi ea indasteri, ho fapanyetsana khafetsa ka boiphihlelo, ho thusana le ho ithuta ka bobeli, ha e khothalletse ntlafatso ea boleng ba sehlahisoa feela, empa hape e ntlafatsa bonngoe le setsoalle lipakeng tsa lifeme tse fapaneng, e le hore indasteri ea li-valve e thehe mokhatlo o kopaneng. , ka bonngoe, ho tšoarana ka letsoho Ho ea pele, ho bonts'a pono e matla le e ntseng e hōla.
3. Etsa "lintlafatso tse tharo" tsa lihlahisoa tsa li-valve
Tumellanong le moea oa liboka tse peli tsa Kaifeng le maikutlo a Ofisi ea Boima le Kakaretso ea Lekala la Pele la Mechini, Setsi sa Kakaretso sa Lipatlisiso sa Mechini se ile sa boela sa hlophisa mosebetsi o moholo oa "valve e meraro" ka tšehetso e sebetsang ea mefuta e fapaneng. lifeme tsa indasteri.Mosebetsi oa "lintlafatso tse tharo" ke mosebetsi oa bohlokoa oa motheo oa tekheniki, e leng mohato o sebetsang oa ho potlakisa phetoho ea theknoloji ea likhoebo le ho ntlafatsa boemo ba lihlahisoa tsa li-valve.Sehlopha se sebetsang sa li-valve "tse tharo tsa sejoale-joale" se sebetsa ho ea ka "tse ntle tse 'ne" (tse bonolo ho li sebelisa, ho bonolo ho li haha, ho lokisoa habonolo le ho tsamaisana hantle) le "kopano e mene" (mohlala, litekanyetso tsa ts'ebetso, khokahano le litekanyo tse akaretsang, likarolo tse tloaelehileng. ) melao-motheo.Litaba tse ka sehloohong tsa mosebetsi li na le likarolo tse tharo, e 'ngoe ke ho nolofatsa mefuta e kopantsoeng;e 'ngoe ke ho theha le ho nchafatsa sehlopha sa litekanyetso tsa tekheniki;ea boraro ke ho khetha le ho qetela lihlahisoa.
4. Patlisiso ea botekgeniki e khothalelitse nts'etsopele ea lipatlisiso tsa mahlale
(1) Nts'etsopele ea lihlopha tsa lipatlisiso tsa mahlale le kaho ea metheo ea liteko Qetellong ea 1969, Setsi sa Kakaretso sa Lipatlisiso sa Mechini se ile sa fallisetsoa ho tloha Beijing ho ea Hefei, 'me sesebelisoa sa pele sa tlhahlobo ea ho hanyetsa phallo se ile sa heletsoa, se ileng sa ama lipatlisiso tsa mahlale haholo.Ka 1971, bafuputsi ba saense ba ile ba khutlela sehlopheng ka mor'a e mong, 'me laboratori ea lipatlisiso tsa valve e ile ea eketseha ho ba batho ba fetang 30,' me ea laeloa ke lekala ho hlophisa lipatlisiso tsa theknoloji.Ho ile ha hahoa laboratori e bonolo, ho ile ha kenngoa mochine oa teko ea ho hanyetsa phallo, 'me mochine o itseng oa khatello, ho paka le mechine e meng ea teko e ile ea etsoa le ho etsoa, 'me lipatlisiso tsa botekgeniki holim'a holim'a ho koala le ho paka li ile tsa qala.
(2) Liphihlello tse ka sehloohong Seboka sa Kaifeng se neng se tšoeroe ka 1973 se thehile moralo oa lipatlisiso tsa tekheniki bakeng sa indasteri ea li-valve ho tloha ka 1973 ho ea ho 1975, 'me e sisinya merero e 39 ngoe ea bohlokoa ea lipatlisiso.Har'a tsona, ho na le lintho tse 8 tsa ts'ebetso ea mocheso, lintho tse 16 tsa ho tiisa holim'a metsi, lintho tse 6 tsa ho paka, ntho e le 'ngoe ea sesebelisoa sa motlakase, le lintho tse 6 tsa tlhahlobo le tlhahlobo ea ts'ebetso.Hamorao, Harbin Welding Research Institute, Wuhan Material Protection Research Institute, le Hefei General Machinery Research Institute, basebetsi ba khethehileng ba ile ba khethoa ho hlophisa le ho hokahanya tlhahlobo ea kamehla, 'me likopano tse peli tsa mosebetsi tse mabapi le likarolo tsa motheo tsa li-valve tse phahameng le tse mahareng li ile tsa tšoaroa ho akaretsa boiphihlelo, ho thusana le ho fapanyetsana, le ho theha moralo oa lipatlisiso oa likarolo tsa 1976 ka 1980. Ka boikitlaetso bo ntsoe-leng ba indasteri eohle, katleho e kholo e entsoe mosebetsing oa lipatlisiso tsa tekheniki, e khothalelitseng nts'etsopele ea lipatlisiso tsa mahlale ka valve. indasteri.Liphetho tsa eona tsa mantlha ke tse latelang:
1) Tack holim'a ho tiisa.Patlisiso ea sealing surface e ikemiselitse ho rarolla bothata ba ho lutla ka hare hobelofo.Ka nako eo, thepa ea ho tiisa e ne e le haholo-holo 20Cr13 le 12Cr18Ni9, e neng e e-na le boima bo fokolang, ho se mamelle ho sa sebetseng hantle, mathata a tebileng a ho lutla ka hare ho lihlahisoa tsa valve, le bophelo bo khutšoanyane ba tšebeletso.Shenyang Valve Research Institute, Harbin Welding Research Institute le Harbin Boiler Factory ba thehile sehlopha sa lipatlisiso se kopantsoeng ka makhetlo a mararo.Ka mor'a lilemo tse 2 tsa mosebetsi o boima, ho ile ha etsoa mofuta o mocha oa chrome-manganese sealing surface material (20Cr12Mo8).Boitsebiso bo na le ts'ebetso e ntle ea ts'ebetso.Khanyetso e ntle ea ho hlaba, bophelo ba nako e telele ea ts'ebeletso, 'me ha ho na nickel le chromium e fokolang, lisebelisoa li ka thehoa malapeng, ka mor'a tlhahlobo ea tekheniki, e bohlokoa haholo bakeng sa ho phahamiswa.
2) Ho tlatsa lipatlisiso.Sepheo sa lipatlisiso tsa ho paka ke ho rarolla bothata ba ho lutla ha valve.Ka nako eo, sephutheloana sa li-valve e ne e le asbestos e kentsoeng ka oli e kentsoeng ka oli le asbestos ea rabara, 'me ts'ebetso ea tiiso e ne e fokola, e leng se ileng sa baka ho lutla ho hoholo ha valve.Ka 1967, Setsi sa Kakaretso sa Patlisiso ea Mechini se ile sa hlophisa sehlopha sa lipatlisiso tsa ho lutla kantle ho etsa lipatlisiso ka limela tse ling tsa lik'hemik'hale, lihloekisi tsa oli le limela tsa motlakase, 'me tsa etsa lipatlisiso tsa tlhahlobo ea anti-corrosion mabapi le ho paka le li-valve stems.
3) Teko ea ts'ebetso ea sehlahisoa le lipatlisiso tsa motheo tsa theory.Ha re ntse re etsa lipatlisiso tsa tekheniki,indasteri ea li-valvee boetse e etsa liteko tsa ts'ebetso ea sehlahisoa ka matla le lipatlisiso tsa motheo tsa theory, mme e fihletse liphetho tse ngata.
5. Etsa phetoho ea theknoloji ea likhoebo
Ka mor'a Seboka sa Kaifeng ka 1973, indasteri eohle e ile ea etsa phetoho ea theknoloji.Mathata a ka sehloohong a neng a le teng indastering ea li-valve ka nako eo: Ntlha ea pele, ts'ebetso e ne e le morao, ho lahla ho ne ho entsoe ka letsoho ka ho feletseng, ho lahla ka karolo e le 'ngoe, le lisebelisoa tsa mochine o sebelisoang ka kakaretso le lisebelisoa tse akaretsang li ne li sebelisoa ka kakaretso bakeng sa ho sebetsa ka mokhoa o batang.Ke hobane mefuta le litlhaloso tsa fektheri e 'ngoe le e' ngoe li kopitsoa ho feta tekano, 'me palo e kholo naheng eohle, empa ka mor'a kabo ea fektheri e' ngoe le e 'ngoe, beche ea tlhahiso e nyane haholo, e amang ho sebetsa ha matla a tlhahiso.E le ho arabela mathata a ka holimo, Ofisi ea Boima le Kakaretso ea Lekala la Pele la Mechini e ile ea beha mehato e latelang: ho hlophisa lifeme tse teng tsa li-valve tse phahameng le tse mahareng, ho etsa moralo o kopaneng, ho arola basebetsi ka mokhoa o utloahalang, le ho atolosa tlhahiso ea bongata;amohela theknoloji e tsoetseng pele, theha mela ea tlhahiso, le ho sebelisana le lifeme tsa bohlokoa le likheo.Mehala e 4 ea tlhahiso ea tšepe e se nang letho e thehiloe setsing sa ho lahla tšepe, 'me mela e 10 ea tlhahiso e batang ea likarolo e thehiloe lifemeng tse tšeletseng tsa bohlokoa;kakaretso ea li-yuan tse limilione tse 52 e tsetelitsoe phetohong ea theknoloji.
(1) Phetoho ea thekenoloji ea ho sebetsa ka mocheso Phetohong ea thekenoloji ea ho sebetsa ka mocheso, mahlale a joalo ka khalase ea metsi a tidal shell mold, lehlabathe le nang le metsi, hlobo ea maqhubu le ho lahla ka mokhoa o nepahetseng li atile.Ho etsa ka mokhoa o nepahetseng ho ka etsa mochini o se nang chip kapa esita le o se nang chip.E loketse heke, tšoelesa ea ho paka le 'mele oa li-valve le bonnet ea li-valve tsa bophara bo nyane, ka melemo e hlakileng ea moruo.Ka 1969, Shanghai Lianggong Valve Factory e ile ea qala ho sebelisa mokhoa o nepahetseng oa ho lahlela tlhahiso ea li-valve, bakeng sa PN16, DN50 'mele oa li-valve tsa heke,
(2) Phetoho ea thekenoloji ea ho sebetsa ka mokhoa o batang Phetoho ea theknoloji e sebetsang e batang, lisebelisoa tse khethehileng tsa mochine le mela ea tlhahiso li sebelisoa indastering ea li-valve.Khale koana ka 1964, Shanghai Valve No. 7 Factory e ile ea qapa le ho etsa mohala oa tlhahiso ea li-valve tsa mofuta oa semi-automatic, e leng mohala oa pele oa tlhahiso ea li-valve tsa semi-automatic indastering ea li-valve.Ka mor'a moo, Shanghai Valve No. 5 Factory e ile ea qapa le ho etsa mohala oa tlhahiso ea semi-automatic oa DN50 ~ DN100 'mele o tlaase oa khatello ea lefatše le bonnet ka 1966.
6. Hlahisa mefuta e mecha ka matla le ho ntlafatsa boemo ba lihlopha tse feletseng
Bakeng sa ho fihlela litlhoko tsa lisebelisoa tse kholo tse felletseng tse kang peterole, indasteri ea lik'hemik'hale, matla a motlakase, metallurgy le indasteri ea petrochemical, indasteri ea li-valve e nts'etsapele lihlahisoa tse ncha ka matla ka nako e ts'oanang ea phetoho ea mahlale, e ntlafalitseng ho bapisa. boemo ba lihlahisoa tsa valve.
03 Kakaretso
Ha re hetla morao ka 1967-1978, tsoelo-pele eabelofo indasteri e kile ea ameha haholo.Ka lebaka la tsoelo-pele e potlakileng ea peterole, lik'hemik'hale, matla a motlakase, liindasteri tsa tšepe le tsa mashala, li-valve tsa khatello e phahameng le tse mahareng li fetohile "lihlahisoa tsa nako e khutšoanyane" ka nakoana.Ka 1972, mokhatlo oa indasteri ea li-valve o ile oa qala ho qalella le ho etsa mesebetsi.Ka mor'a likopano tse peli tsa Kaifeng, li ile tsa etsa ka matla "lintlafatso tse tharo" le mosebetsi oa ho etsa lipatlisiso tsa tekheniki, ho theha leqhubu la phetoho ea theknoloji indastering eohle.Ka 1975, indasteri ea li-valve e ile ea qala ho lokisoa, 'me tlhahiso ea indasteri e ile ea ntlafala.
Ka 1973, Komisi ea Meralo ea Naha e ile ea amohela mehato ea meralo bakeng sa ho eketsa tlhahiso ea khatello e phahameng le e maharengli-valve.Kamora ho tsetela, indasteri ea li-valve e entse phetoho e ka bang teng.Ka phetoho ea thekenoloji le ts'ehetso, mekhoa e meng ea theknoloji e tsoetseng pele e amohetsoe, e le hore boemo ba ts'ebetso e batang indastering eohle bo ntlafatsoe ho isa bohōleng bo itseng, 'me tekanyo ea mechine ea ho sebetsa ka mocheso e ntlafalitsoe ho isa bohōleng bo itseng.Ka mor'a ho khothaletsoa ha ts'ebetso ea ho cheselletsa ka plasma spray, boleng ba sehlahisoa sa li-valve tsa khatello e phahameng le tse mahareng bo ntlafalitsoe haholo, 'me bothata ba "leakage e le' ngoe le tse peli" le bona bo ntlafalitsoe.Ka ho phetheloa le ho sebetsa ha merero ea mehato ea meralo ea meralo e 32, indasteri ea li-valve ea China e na le motheo o matla le monyetla o moholo oa tlhahiso.Ho tloha ka 1970, tlhahiso ea li-valve tsa khatello e phahameng le e bohareng e 'nile ea tsoela pele ho hōla.Ho tloha 1972 ho ea 1975, tlhahiso e eketsehile ho tloha ho 21,284 ho ea ho 38,500t, ka keketseho ea 17,216t ka lilemo tse 4, e lekanang le tlhahiso ea selemo le selemo ka 1970. Phallo ea selemo le selemo ea li-valve tsa khatello e tlaase e tsitsitse boemong ba 70,000. ho isa ho lithane tse 80,000.Nakong ena,belofo indasteri e ntlafalitse lihlahisoa tse ncha ka matla, ha se feela mefuta ea li-valve tsa sepheo se akaretsang e ntlafalitsoeng haholo, empa hape le li-valve tse khethehileng tsa liteishene tsa motlakase, liphaephe, khatello e phahameng haholo, mocheso o tlase le indasteri ea nyutlelie, sefofane le li-valve tse ling tse khethehileng. e tsoetseng pele haholo.Haeba lilemo tsa bo-1960 e ne e le nako ea tsoelo-pele e kholo ea li-valve tsa sepheo se akaretsang, joale lilemo tsa bo-1970 e ne e le nako ea tsoelo-pele e kholo ea li-valve tse khethehileng.Bokhoni ba ho tšehetsa ba malapengli-valve e ntlafaditswe haholo, e leng yona e kgotsofatsang ditlhoko tsa ntshetsopele ya makala a fapaneng a moruo wa naha.
Nako ea poso: Aug-04-2022