Kev tsim kho txuas ntxiv ntawm kev lag luam valve (1967-1978)
01 kev lag luam kev lag luam raug cuam tshuam
Txij li xyoo 1967 txog 1978, vim muaj kev hloov pauv loj hauv kev lag luam, kev txhim kho ntawm lub valve kev lag luam tau kuj muaj kev cuam tshuam loj heev. Lub ntsiab lus tseem ceeb yog:
1. Lub pob valve Cov zis tau txo qis, thiab qhov zoo yog txo qis
2. Lub pob valve Kev tshawb fawb tshawb fawb uas tau pib ua cov duab tau cuam tshuam
3. Nruab nrab siab valve cov khoom lag luam dhau los ua cov sijhawm luv dua
4. Cov unplanned ntau lawm ntawm cov siab thiab nruab nrab siab li qub pib tshwm sim
02 Nqis Ntsuas kom ntev li "valve luv kab"
Cov khoom lag luam zoo hauvlub pob valveKev lag luam tau tsis kam lees paub tseeb, thiab tom qab tsim ntawm luv-lub sij hawm muaj siab thiab nruab nrab siab valve khoom, lub xeev txuas tau qhov tseem ceeb rau qhov no. Lub chaw hnyav thiab dav dav ntawm thawj cov haujlwm ntawm cov Machinery tsim lub cuab yeej valve kom muaj lub luag haujlwm hloov pauv ntawm kev lag luam valve. Tom qab tshawb nrhiav thiab tshawb fawb, tus pab pawg Valve Tso rau kev ntsuas ntawm kev tsim cov khoom siv ntau thiab nruab nrab tau xa mus rau lub xeev cov phiaj xwm. Tom qab kev tshawb fawb, nws tau txiav txim siab los nqis peev 52 lab yuan nyob rau hauv lub valve kev lag luam los daws cov teeb meem ntawm kev tsis txaus siab ntawm cov siab thiab nruab nrab siabli qub thiab kev poob qis kom sai li sai tau.
1. Ob lub rooj sib tham Kaifeng
Thaum Lub Tsib Hlis 1972, thawj cov haujlwm ua ntej yog lub teb chawsib lub dab tsi uas qhib thiab kawKev lag luam ua haujlwm Symposium hauv Kaifeng nroog, Henan xeev. Tag nrho ntawm 125 units thiab 198 tus sawv cev ntawm 88 valve kev tshawb fawb thiab cov qauv kev tshawb fawb, 13 lub nroog cov neeg siv khoom siv thiab qee tus neeg siv tau koom lub rooj sib tham. Lub rooj sib tham tau txiav txim siab los rov ua ob lub koom haum ntawm kev lag luam thiab kev txhim kho Kaisfod Kev Tshawb Fawb Lub Chaw Haujlwm thiab Tefei Garter Kev Siv Lub Chaw Haujlwm tau muaj lub luag haujlwm rau kev txawj ntse network ua haujlwm. Lub rooj sib tham kuj tau sib tham thiab kawm txog cov teeb meem ntsig txog "peb cov khoom lag luam zoo, thiab kev tsim kev lag luam thiab kev txawj ntse. Txij thaum ntawd los, kev lag luam thiab kev ua haujlwm txawj ntse uas tau cuam tshuam rau rau xyoo tau rov pib dua. Cov kev ntsuas no tau ua lub luag haujlwm zoo hauv kev txhawb nqa valve ntau lawm thiab thim rov qab lub sijhawm luv luv.
2. Rov ua lag luam cov haujlwm ua haujlwm thiab kev sib pauv cov ntaub ntawv
Tom qab Kaisifeng kev sib tham hauv xyoo 1972, cov pab pawg kev lag luam tau rov ua haujlwm tau rov ua haujlwm. Lub sijhawm ntawd, tsuas yog 72 lub chaw ua haujlwm tau koom rau hauv cov koom haum lag luam, thiab ntau lub chaw ua haujlwm nyob hauv lub valve tsis tau koom nrog hauv lub koom haum lag luam. Txhawm rau npaj kom muaj ntau lub chaw tsim hluav taws xob kom tau, txhua thaj av uas npaj cov haujlwm hauv kev lag luam. Shenyang siab thiab nruab nrab siab valve valve lub Hoobkas, Beijing Valve Hoobkas, Shanghai Valve Lub Hoobkas, Wuhan Valve Hoobkas,Tianjin Valve Hoobkas, Gansu High thiab nruab nrab siab Valve Valve lub Hoobkas, thiab Zigong Kev Kub Siab Suav Teb muaj lub luag haujlwm rau sab qab teb sab hnub tuaj, North Sab Qab Teb, Northwest cov cheeb tsam, thiab qab teb sab qab teb. Nyob rau lub sijhawm no, kev ua haujlwm valve thiab kev txawj ntse tau muaj ntau yam muaj ntau yam muaj txiaj ntsig thiab muaj txiaj ntsig, thiab nrov heev nrog cov teeb meem hauv kev lag luam. Due to the development of industry activities, frequent exchanges of experience, mutual help and mutual learning, it not only promotes the improvement of product quality, but also enhances the unity and friendship between various factories, so that the valve industry has formed a unified whole, in unison, hand in hand Going forward, showing a vibrant and growing scene.
3. Nqa tawm "peb lub tswv yim" ntawm cov khoom lag luam valve
Nyob rau hauv raws li tus ntsuj plig ntawm ob lub rooj sib tham Kaifig thiab cov kev xav ntawm thawj zaug kev ua haujlwm loj heev ntawm cov tshuab ua haujlwm loj, kev txhawb nqa kev txhawb nqa ntawm ntau yam hauv kev lag luam. Qhov "peb txoj kev ua haujlwm" yog ib qho kev ntsuas kev ua haujlwm tseem ceeb los ua kom nrawm nrawm nrawm nrawm ntawm kev lag luam thiab txhim kho qib ntawm valve khoom. Lub pob zeb "peb txoj kev ua haujlwm" ua haujlwm ua haujlwm tau ua haujlwm, tsim nyog kho, kev sib txuas tau yooj yim) thiab sib txuas tau yooj yim, cov ntsiab lus) cov ntsiab lus. Cov ntsiab lus tseem ceeb ntawm kev ua haujlwm muaj peb yam, ib qho yog qhov yooj yim rau cov sib xyaw ua ke; Lwm tus yog tsim kom tsim thiab kho ib pawg ntawm cov qauv txheej txheem; Qhov thib peb yog xaiv thiab ua tiav cov khoom lag luam.
4. Kev tshawb fawb tau tshaj tawm txoj kev txhim kho ntawm kev tshawb fawb
(1) Kev tshawb fawb ntawm kev tshawb fawb txog kev tshawb fawb thiab cov chaw kuaj xyuas kev tshawb fawb tau raug rhuav tshem tau zoo, thiab cov kev tshawb fawb thawj zaug tau cuam tshuam. Xyoo 1971, kev tshawb nrhiav tshawb fawb rov qab mus rau pab pawg ib qho, thiab lub chaw kuaj xyuas valve kom tau npaj tseg rau kev tshawb fawb. Lub chaw kuaj sim yooj yim tau ua tiav, cov kev ntsuam xyuas ntws tsis tau raug teeb tsa, thiab cov tshuab kuaj xyuas tshwj xeeb, thiab cov kev tshawb fawb ntawm Valve Sealing nto thiab cov pib siv.
(2) Kev ua tiav lub ntsiab ntawm Kaifark sib tham tau thaum xyoo 1973 tsim cov phiaj xwm kev tshawb fawb rau lub valve kev lag luam los ntawm 1975, thiab npaj 39 Ntsiab Lus Tshaj Tawm. Ntawm lawv, muaj 8 yam ntawm kev ua thermal, 16 yam ntawm kev sib khi saum npoo, 6 yam ntawm cov ntim, 1 yam khoom hluav taws xob, thiab 6 yam khoom ntsuas thiab ntsuas 6. Tom qab ntawd, hauv Harbin Vuam Kev Tshawb Fawb Kev Tshawb Fawb, thiab cov neeg ua haujlwm tshwj xeeb uas tau xaiv los ua ke, thiab kev sib koom tes tshwj xeeb ntawm cov kev lag luam hauv xyoo 1980. Los ntawm kev ua haujlwm tshwj xeeb ntawm cov kev lag luam tag nrho, ua tiav zoo tau Ua hauv kev tshawb fawb txog kev ua haujlwm, uas tau nce qib kev txhim kho kev tshawb fawb hauv lub valve kev lag luam. Nws cov txiaj ntsig tseem ceeb muaj raws li hauv qab no:
1) tack on sealing nto. Kev faib tawm cov chaw soj ntsuam sab nrauv lub hom phiaj ua kom daws tau qhov teeb meem ntawm sab hauv xau ntawmlub pob valveCov. Lub sijhawm ntawd, cov khoom lag luam saum npoo av tau yog feem ntau 20cr13ni9, uas muaj cov teeb meem tsis tshua muaj teeb meem, kev ua haujlwm sab hauv sab hauv hauv valve, thiab lub neej pabcuam luv luv. Shenyang valve lub koom haum, Harbin Vuam Tshawb Nrhiav Lub Chaw Haujlwm thiab Harbin Boiler Cools tsim cov kev tshawb fawb liliple sib xyaw. Tom qab 2 xyoo ntawm kev ua haujlwm nyuaj, hom tshiab ntawm chrome-manganese sealing nto surfacing khoom (20cr3mo8) tau tsim. Cov khoom muaj cov txheej txheem zoo ua tau zoo. Kev kos zoo tsis kam, lub neej ntev kev pabcuam, thiab tsis muaj npib tsib xee thiab tsawg dua chromium, cov peev txheej tuaj yeem ua raws cov kev ntsuam xyuas hauv tsev, nws muaj txiaj ntsig zoo rau kev tshaj tawm.
2) kev tshawb nrhiav. Lub hom phiaj ntawm cov kev tshawb fawb ntim yog los daws cov teeb meem ntawm valve takeage. Lub sijhawm ntawd, lub valve ntim tau mas cov roj-impregnated Asbestos thiab roj hmab asbestos, thiab kev ua lag luam tau ua tsis zoo, uas tau ua rau mob strike valve. Hauv xyoo 1967, lub vev xaib tshawb fawb dav dav teeb tsa ib pab neeg tshuaj tiv thaiv kab sab nraud, thiab tom qab ntawd nquag nquag nrhiav cov tshuaj tiv thaiv corrosion ntawm cov khoom siv thiab valve stems.
3) Cov khoom lag luam kev kuaj thiab tshawb fawb theoretical. Thaum nqa cov kev tshawb fawb txog kev tshawb fawb,kev lag luam valveKuj tseem ceeb heev nqa tawm cov khoom lag luam ua tau kev sim thiab cov kev tshawb fawb ua haujlwm yooj yim, thiab ua tiav ntau cov txiaj ntsig.
5. Ua cov txheej txheem hloov pauv ntawm cov lag luam
Tom qab Kaisifig kev sib tham hauv xyoo 1973, tag nrho kev lag luam nqa tawm kev hloov thev naus laus zis. Cov teeb meem tseem ceeb nyob rau hauv lub valve lag luam nyob rau hauv lub sij hawm: Ua ntej, txheej txheem rov qab, thiab lub hom phiaj ua tiav, thiab lub hom phiaj txhim kho tau siv rau kev ua haujlwm txias. Nws yog vim hais tias ntau yam thiab specifications ntawm txhua lub hoobkas yog ntau tshaj nyob rau hauv tag nrho lub Hoobkas, tab sis tom qab kev faib tawm yog qhov muaj peev xwm ntau lawm. Nyob rau hauv teb rau cov teeb meem saum toj no, lub chaw hnyav thiab dav dav ntawm cov kev ntsuas hauv qab no, ua kom tiav kev ua haujlwm nyob hauv qab no thiab nruab nrab, muaj ntau yam loj loj; Txais cov cuab yeej siab heev, tsim cov kab ntau lawm, thiab kev koom tes hauv cov chaw ua haujlwm tseem ceeb thiab cov kab. 4 Cov kab nrum hlau tsis muaj lawm tau tsim muaj nyob hauv cov txheej txheem hlau casting ntau lawm, thiab 10 tus tub rog txias ntau lawm tau tsim muaj nyob rau hauv rau 6 qhov tseem ceeb ua haujlwm; Tag nrho ntawm 52 lab yuan tau nqis peev hauv kev hloov pauv thev naus laus zis.
(1) Kev hloov pauv ntawm kev ua haujlwm thev naus laus zis hauv kev hloov pauv ntawm cov tshuab cua sov, thev naus laus zis xws li cov xuab zeb, tidal pwm thiab precision Casting tau nrov. Precision Casting tuaj yeem paub txog Chip-tsawg lossis txawm nti-dawb machining. Nws yog qhov haum rau lub rooj vag, ntim Gland thiab valve lub cev thiab lub pob zeb ntawm cov zauv uas muaj txiaj ntsig me me. Xyoo 1969, Shanghai Lianggong Valve Hoobkas Ua ntej thov kev ua haujlwm ua ntej rau valve ntau lawm, rau pn16, DN50 rooj vag valve lub cev,
(2) Kev hloov pauv cov cuab yeej ua haujlwm txias hauv kev hloov pauv ntawm cov cuab yeej ua haujlwm txias, cov cuab yeej tshwj xeeb yog siv hauv kev lag luam valve. Thaum ntxov li xyoo 1964, Shanghai Valve No. thiab tsim cov kab rooj vag lub cev Crawler Hom txoj kab Valve Ntau Lawm,; Tom qab, Shanghai valve Tsis yog 5 lub Hoobkas tsim thiab tsim cov kab ntau lawm ntawm DN50 ~ DNA siab ntau lub ntiaj teb valve lub cev thiab lub kaus mom hauv xyoo 1966.
6. Siv ntau yam ntau yam tshiab thiab txhim kho qib ntawm cov txheej txheem tiav
Txhawm rau kom tau raws li cov kev xav tau ntawm cov txheej txheem loj ua tiav cov khoom siv xws li kev lag luam valve, uas tau txhim kho cov qib sib txuas ntawm cov khoom siv hluav taws xob.
03 Ntsiab Lus
Saib rov qab rau xyoo 1967-1978, kev txhim kho ntawm lubib lub dab tsi uas qhib thiab kaw Kev lag luam yog ib zaug cuam tshuam. Vim kev txhim kho kev txhim kho nrawm nrawm ntawm roj av, tshuaj, hlau hluav taws xob, methallurgy thiab thee kev lag luam siab, muaj cov khoom lag luam nruab nrab ". Xyoo 1972, lub koom haum kev lag luam Valve pib pib rov qab thiab ua cov haujlwm. Tom qab ob lub rooj sib tham Kaifeng, siv zog ua haujlwm "thiab kev tshawb fawb kev ua haujlwm, teeb tsa ib nthwv dej ntawm kev lag luam thev naus laus zis. Xyoo 1975, kev lag luam valve pib los kho, thiab kev lag luam kev lag luam tau muab tig mus rau qhov zoo dua.
Xyoo 1973, lub xeev phiaj xwm kev npaj pom zoo pom zoo cov kev ntsuas rau kev ua kom muaj kev tsim khoom siab thiab nruab nrab siabli qubCov. Tom qab kev nqis peev, lub valve kev lag luam tau nqa tawm cov kev hloov pauv. Los ntawm kev hloov thev naus laus zis thiab kev txhawb nqa, qee qib ntawm kev lag luam txias tau txhim kho rau cov kev ua tshuab cua txias tau txhim kho rau qee yam. Tom qab kev nce qib ntawm Plasma cov txheej txheem vuam ua kom zoo dua qub, thiab qhov teeb meem ntawm "ib qho xau thiab tau txhim kho. Nrog ua tiav thiab ua haujlwm ntawm 32 infrastructure ntsuas kev ntsuas, Tuam Tshoj lub valve kev lag luam muaj lub zog loj thiab muaj zog ntau lawm. Txij li xyoo 1970, cov zis ntawm cov siab thiab nruab nrab lub siab li qub tau txuas ntxiv loj hlob. Txij li xyoo 1972 txog 1975, cov zis nce los ntawm 21,280 Nyob rau lub sijhawm no,lub pob valve Kev lag luam kev lag luam siv cov khoom lag luam tshiab, tsis tsuas yog cov ntau yam ntawm cov khoom lag luam fais fab tuag, tab sis kub siab thiab lwm yam tshwj xeeb cov hom phiaj kuj tau tsim muaj ntau. Yog tias xyoo 1960 yog lub sijhawm ntawm kev loj hlob ntawm cov hom phiaj dav dav, tom qab xyoo 1970 yog lub sijhawm ntawm kev loj hlob tshwj xeeb-hom phiaj-lub hom phiaj zoo li qub. Kev txhawb nqa muaj peev xwm ntawm kev ua hauv tsevli qub tau zoo heev txhim kho, uas tau ua tau raws li kev txhim kho kev xav tau ntawm ntau cov haujlwm ntawm kev lag luam hauv tebchaws.
Lub sij hawm Post: Lub Yim Hli 04-2022
