Kev txhim kho txuas ntxiv ntawm kev lag luam valve (1967-1978)
01 Kev lag luam kev loj hlob cuam tshuam
Los ntawm 1967 txog 1978, vim muaj kev hloov pauv loj hauv kev sib raug zoo, kev txhim kho ntawm kev lag luam valve kuj tau cuam tshuam loj heev. Lub ntsiab manifestations yog:
1. Lub valve cov zis yog sharply txo, thiab qhov zoo yog ho txo
2. Lub valve kev tshawb fawb txog kev tshawb fawb uas tau pib ua cov duab tau cuam tshuam
3. Cov khoom nruab nrab siab valve ua rau lub sijhawm luv dua
4. Kev npaj tsis tiav ntawm qhov siab thiab nruab nrab siab li qub tau pib tshwm sim
02 Siv kev ntsuas kom ntev "valve shortline"
Qhov zoo ntawm cov khoom hauvlub valvekev lag luam tau poob qis tiag tiag, thiab tom qab tsim cov khoom lag luam siab thiab nruab nrab lub sijhawm luv luv, lub xeev tseem ceeb heev rau qhov no. Lub Hnyav thiab General Bureau ntawm Thawj Ministry of Machinery tau tsim ib pawg valve los ua lub luag haujlwm rau kev hloov pauv ntawm kev lag luam valve. Tom qab kev tshawb nrhiav thiab kev tshawb fawb tob tob, pab pawg valve tau muab tso rau hauv "Tshaj Tawm Txog Cov Kev Pom Zoo ntawm Kev Txhim Kho Kev Ntsuas Kev Ntsuas rau Siab thiab Nruab Nrab Siab", uas tau xa mus rau Lub Xeev Pawg Neeg Saib Xyuas Kev Npaj. Tom qab kev tshawb fawb, nws tau txiav txim siab los nqis peev 52 lab yuan hauv kev lag luam valve los ua cov kev hloov pauv los daws qhov teeb meem ntawm qhov tsis txaus siab ntawm qhov siab thiab nruab nrab.li qub thiab qhov zoo poob sai li sai tau.
1. Ob lub rooj sib tham Kaifeng
Thaum lub Tsib Hlis 1972, Thawj Tswj Hwm Machinery tau tuav lub teb chawsvalveKev lag luam ua haujlwm symposium hauv Kaifeng City, Henan Province. Tag nrho ntawm 125 units thiab 198 tus neeg sawv cev los ntawm 88 valve factories, 8 lub koom haum tshawb fawb txog kev tshawb fawb thiab tsim, 13 lub xeev thiab hauv nroog cov chaw ua haujlwm thiab qee cov neeg siv tau tuaj koom lub rooj sib tham. Lub rooj sib tham tau txiav txim siab los kho ob lub koom haum ntawm kev lag luam thiab kev txawj ntse network, thiab xaiv Kaifeng High Pressure Valve Factory thiab Tieling Valve Factory ua cov thawj coj ntawm pab pawg siab thiab tsis tshua muaj siab, thiab Hefei General Machinery Research Institute thiab Shenyang Valve Research. Lub koom haum tau ua lub luag haujlwm rau kev ua haujlwm txawj ntse network. Lub rooj sib tham tseem tau sib tham thiab kawm txog cov teeb meem ntsig txog "peb modernizations", txhim kho cov khoom zoo, kev tshawb fawb, kev faib khoom, thiab tsim kev lag luam thiab kev txawj ntse. Txij thaum ntawd los, kev lag luam thiab kev txawj ntse cov haujlwm 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 lub valve ntau lawm thiab thim rov qab qhov xwm txheej luv luv.
2. Rov pib ua haujlwm hauv lub koom haum kev lag luam thiab kev sib pauv ntaub ntawv
Tom qab lub rooj sib tham Kaifeng hauv xyoo 1972, cov pab pawg kev lag luam rov pib ua haujlwm. Lub sijhawm ntawd, tsuas yog 72 lub koomhaum koom nrog lub koom haum kev lag luam, thiab ntau lub tuam txhab valve tseem tsis tau koom nrog lub koom haum kev lag luam. Txhawm rau npaj ntau lub tuam txhab valve raws li qhov ua tau, txhua cheeb tsam npaj kev lag luam ua haujlwm raws li. Shenyang siab thiab nruab nrab siab Valve Hoobkas, Beijing Valve Hoobkas, Shanghai Valve Hoobkas, Wuhan Valve Hoobkas,Tianjin Valve Hoobkas, Gansu High and Medium Pressure Valve Factory, thiab Zigong High Pressure Valve Factory yog lub luag haujlwm ntawm Northeast, North China, East China, Central South, Northwest, thiab Southwest Regions. Thaum lub sij hawm no, lub valve kev lag luam thiab kev txawj ntse kev ua ub no muaj ntau haiv neeg thiab fruitful, thiab tau nrov heev nrog factories nyob rau hauv kev lag luam. Vim yog txoj kev loj hlob ntawm kev lag luam kev ua ub no, kev sib pauv kev paub ntau zaus, kev sib koom ua ke thiab kev sib koom tes kev kawm, nws tsis tsuas yog txhawb kev txhim kho cov khoom zoo, tab sis kuj txhawb kev sib koom ua ke thiab kev phooj ywg ntawm ntau lub tuam txhab, kom lub valve kev lag luam tau tsim ib qho kev sib koom ua ke. , nyob rau hauv unison, tes nyob rau hauv tes Mus rau pem hauv ntej, qhia ib tug vibrant thiab loj hlob scene.
3. Ua tiav "peb qhov kev hloov kho tshiab" ntawm cov khoom siv valve
Raws li tus ntsuj plig ntawm ob lub rooj sib tham Kaifeng thiab cov kev xav ntawm Lub Hnyav thiab General Bureau ntawm Thawj Lub Tsev Haujlwm Saib Xyuas Kev Ua Haujlwm, Lub Tsev Haujlwm Saib Xyuas Kev Tshawb Fawb General Machinery ib zaug tau teeb tsa lub valve loj "peb niaj hnub" ua haujlwm nrog kev txhawb nqa ntawm ntau yam. factories hauv kev lag luam. Lub "peb modernizations" ua haujlwm yog ib qho tseem ceeb hauv kev ua haujlwm, uas yog ib qho kev ntsuas zoo los ua kom cov thev naus laus zis hloov pauv ntawm kev lag luam thiab txhim kho qib ntawm cov khoom siv valve. Lub valve "peb modernizations" pawg ua haujlwm ua haujlwm raws li "plaub zoo" (yooj yim siv, yooj yim tsim, yooj yim kho thiab zoo sib xws) thiab "plaub kev sib koom ua ke" (tus qauv, kev ua haujlwm tsis zoo, kev sib txuas thiab tag nrho qhov ntev, cov qauv txheem ) cov ntsiab cai. Cov ntsiab lus tseem ceeb ntawm kev ua haujlwm muaj peb yam, ib qho yog ua kom yooj yim rau kev sib xyaw ua ke; lwm qhov yog tsim thiab kho cov txheej txheem kev ua haujlwm; qhov thib peb yog xaiv thiab ua tiav cov khoom.
4. Kev tshawb fawb txuj ci tau txhawb txoj kev loj hlob ntawm kev tshawb fawb
(1) Kev txhim kho ntawm pawg tshawb fawb tshawb fawb thiab kev tsim kho cov hauv paus kev sim Thaum kawg ntawm xyoo 1969, General Machinery Research Institute tau tsiv tawm ntawm Beijing mus rau Hefei, thiab cov cuab yeej tseem ceeb ntawm cov khoom siv ntsuas ntsuas tau raug rhuav tshem, uas cuam tshuam rau kev tshawb fawb tshawb fawb. Xyoo 1971, cov kws tshawb fawb tshawb fawb tau rov qab mus rau pab pawg ib zaug, thiab qhov chaw tshawb fawb valve tau nce mus rau ntau dua 30 tus neeg, thiab tau raug txib los ntawm Ministry los tsim kev tshawb fawb. Ib qho chaw sim yooj yim tau tsim, lub tshuab ntsuas dej ntws tau raug teeb tsa, thiab lub zog tshwj xeeb, ntim khoom thiab lwm yam kev sim tshuab tau tsim thiab tsim, thiab kev tshawb fawb ntawm lub valve sealing nto thiab ntim tau pib.
(2) Kev ua tiav tseem ceeb Lub Rooj Sib Tham Kaifeng muaj nyob rau xyoo 1973 tau tsim cov phiaj xwm kev tshawb fawb rau kev lag luam valve los ntawm 1973 txog 1975, thiab tau npaj 39 qhov kev tshawb fawb tseem ceeb. Ntawm lawv, muaj 8 yam khoom ntawm thermal ua, 16 yam khoom ntawm sealing nto, 6 yam khoom ntim, 1 yam khoom siv hluav taws xob, thiab 6 yam khoom ntawm kev xeem thiab kev xeem. Tom qab ntawd, hauv Harbin Welding Research Institute, Wuhan Material Protection Research Institute, thiab Hefei General Machinery Research Institute, cov neeg ua haujlwm tshwj xeeb tau raug xaiv los npaj thiab tswj xyuas kev soj ntsuam tsis tu ncua, thiab ob lub rooj sib tham ua haujlwm ntawm qhov chaw ntawm qhov siab thiab nruab nrab siab li qub tau tuav rau. sum txog kev paub, kev sib nrig sib pab thiab kev sib pauv, thiab formulated 1976 -Basic qhov chaw tshawb fawb txoj kev npaj nyob rau hauv 1980. Los ntawm lub unanimous dag zog ntawm tag nrho cov kev lag luam, muaj kev ua tau zoo nyob rau hauv kev tshawb fawb ua hauj lwm, uas tau txhawb txoj kev loj hlob ntawm scientific kev tshawb fawb nyob rau hauv lub valve. kev lag luam. Nws cov txiaj ntsig tseem ceeb yog raws li hauv qab no:
1) Tack rau ntawm qhov chaw sealing. Lub sealing nto kev tshawb fawb aims los daws qhov teeb meem ntawm sab hauv tolub valve. Thaum lub sij hawm ntawd, cov ntaub ntawv nto sealing feem ntau yog 20Cr13 thiab 12Cr18Ni9, uas tsis tshua muaj zog, hnav tsis zoo, muaj teeb meem loj hauv cov khoom siv valve, thiab lub neej ua haujlwm luv. Shenyang Valve Research Institute, Harbin Welding Research Institute thiab Harbin Boiler Factory tau tsim ib pab pawg tshawb fawb triple-combination. Tom qab 2 xyoos ntawm kev ua haujlwm nyuaj, ib hom tshiab ntawm chrome-manganese sealing nto surfacing khoom (20Cr12Mo8) tau tsim. Cov khoom muaj cov txheej txheem zoo. Zoo khawb tsis kam, lub neej ua haujlwm ntev, thiab tsis muaj nickel thiab chromium tsawg, cov peev txheej tuaj yeem ua raws li hauv tsev, tom qab kev ntsuam xyuas, nws yog qhov tseem ceeb heev rau kev nce qib.
2) Kev tshawb nrhiav puv. Lub hom phiaj ntawm kev tshawb fawb packing yog los daws qhov teeb meem ntawm valve to. Thaum lub sij hawm ntawd, lub pob valve feem ntau yog roj-impregnated asbestos thiab roj hmab asbestos, thiab sealing kev ua tau zoo tsis zoo, uas ua rau lub valve loj heev. Xyoo 1967, Lub Tsev Haujlwm Saib Xyuas Kev Tshawb Fawb Kev Tshawb Fawb tau teeb tsa pab pawg tshawb nrhiav sab nraud los tshawb xyuas qee cov nroj tsuag tshuaj, cov roj refineries thiab cov chaw tsim hluav taws xob, thiab tom qab ntawd nquag ua cov kev tshawb fawb los tiv thaiv corrosion ntawm pob thiab valve stems.
3) Kev soj ntsuam cov khoom lag luam thiab kev tshawb fawb theoretical yooj yim. Thaum ua kev tshawb fawb technical,kev lag luam valvekuj tseem siv zog ua cov khoom lag luam kev sim thiab kev tshawb fawb theoretical, thiab ua tiav ntau yam txiaj ntsig.
5. Ua raws li kev hloov pauv ntawm kev lag luam
Tom qab lub rooj sib tham Kaifeng xyoo 1973, tag nrho cov kev lag luam tau ua tiav kev hloov pauv thev naus laus zis. Cov teeb meem tseem ceeb uas muaj nyob rau hauv kev lag luam valve nyob rau lub sijhawm ntawd: Ua ntej, cov txheej txheem rov qab los, cov casting yog ua tiav los ntawm tes, ib leeg-thooj casting, thiab cov cuab yeej siv tshuab dav dav thiab cov khoom siv dav dav dav dav siv rau kev ua haujlwm txias. Nws yog vim hais tias ntau yam thiab specifications ntawm txhua lub Hoobkas muaj ntau dua duplicated, thiab tus naj npawb yog loj nyob rau hauv tag nrho lub teb chaws, tab sis tom qab kev faib ntawm txhua lub Hoobkas, ntau lawm batch yog heev me me, uas muaj feem xyuam rau lub exertion ntawm ntau lawm muaj peev xwm. Hauv kev teb rau cov teeb meem saum toj no, Lub Chaw Haujlwm Hnyav thiab General ntawm Thawj Lub Tsev Haujlwm Saib Xyuas Kev Ua Haujlwm tau muab cov kev ntsuas hauv qab no: npaj cov chaw tsim khoom siab thiab nruab nrab siab valve, ua kom muaj kev sib koom ua ke, sib faib ua haujlwm, thiab nthuav dav ntau lawm; txais yuav cov cuab yeej siv siab heev, tsim cov kab ntau lawm, thiab koom tes hauv cov chaw tsim khoom tseem ceeb thiab cov khoom seem. 4 cam khwb cia hlau dawb kab ntau lawm tau tsim nyob rau hauv lub steel casting Rhiav, thiab 10 txias ua cov kab ntau lawm ntawm qhov chaw tau tsim nyob rau hauv rau lub tseem ceeb factories; tag nrho ntawm 52 lab yuan tau nqis peev hauv kev hloov pauv thev naus laus zis.
(1) Kev hloov pauv ntawm cov thev naus laus zis thev naus laus zis Hauv kev hloov pauv ntawm cov thev naus laus zis thev naus laus zis, thev naus laus zis xws li dej iav tidal plhaub pwm, fluidized xuab zeb, tidal pwm thiab precision casting tau nrov. Precision casting tuaj yeem paub chip-tsawg lossis txawm tias chip-dawb machining. Nws yog tsim rau lub rooj vag, packing caj pas thiab lub cev lub cev thiab lub kaus mom ntawm cov me me-inch li qub, nrog cov txiaj ntsig kev lag luam pom tseeb. Nyob rau hauv 1969, Shanghai Lianggong Valve Factory thawj zaug siv cov txheej txheem precision casting rau valve ntau lawm, rau PN16, DN50 rooj vag valve lub cev,
(2) Kev hloov pauv ntawm cov tshuab ua haujlwm txias Hauv kev hloov pauv ntawm cov tshuab ua haujlwm txias, cov cuab yeej siv tshuab tshwj xeeb thiab cov kab ntau lawm yog siv hauv kev lag luam valve. Raws li thaum ntxov xyoo 1964, Shanghai Valve No. 7 Lub Hoobkas tsim thiab tsim lub rooj vag valve lub cev crawler hom semi-automatic ntau lawm kab, uas yog thawj lub siab qis valve semi-automatic ntau lawm kab hauv kev lag luam valve. Tom qab ntawd, Shanghai Valve No. 5 Lub Hoobkas tsim thiab tsim cov khoom siv hluav taws xob semi-automatic ntawm DN50 ~ DN100 uas tsis tshua muaj siab lub ntiaj teb valve lub cev thiab lub kaus mom hauv xyoo 1966.
6. Siv zog tsim ntau yam tshiab thiab txhim kho qib ntawm kev ua tiav
Txhawm rau ua kom tau raws li qhov xav tau ntawm cov khoom siv loj loj ua tiav cov khoom siv xws li roj av, tshuaj lom neeg kev lag luam, hluav taws xob, metallurgy thiab petrochemical kev lag luam, kev lag luam valve yog nquag tsim cov khoom tshiab nyob rau tib lub sijhawm ntawm kev hloov pauv thev naus laus zis, uas tau txhim kho qhov sib txuam. qib ntawm cov khoom siv valve.
03 Cov ntsiab lus
Saib rov qab rau xyoo 1967-1978, txoj kev loj hlob ntawm covvalve kev lag luam ib zaug tau cuam tshuam loj heev. Vim muaj kev loj hlob sai ntawm roj av, tshuaj, hluav taws xob, metallurgy thiab thee industries, siab thiab nruab nrab siab li qub tau dhau los ua "cov khoom siv luv luv". Xyoo 1972, lub koom haum kev lag luam valve pib rov pib dua thiab ua haujlwm. Tom qab ob lub rooj sib tham Kaifeng, nquag ua "peb qhov kev hloov kho tshiab" thiab kev tshawb fawb txog kev ua haujlwm, teeb tsa lub nthwv dej ntawm kev hloov pauv thev naus laus zis hauv tag nrho kev lag luam. Xyoo 1975, kev lag luam valve pib kho, thiab kev lag luam ntau lawm tau tig mus rau qhov zoo dua.
Xyoo 1973, Lub Xeev Pawg Saib Xyuas Kev Npaj tau pom zoo cov kev ntsuas kev tsim kho rau kev tsim cov khoom siv siab thiab nruab nrabli qub. Tom qab kev nqis peev, kev lag luam valve tau ua kom muaj peev xwm hloov pauv. Los ntawm kev hloov pauv thev naus laus zis thiab kev txhawb nqa, qee qhov kev siv thev naus laus zis tau txais kev pom zoo, kom cov txheej txheem txias hauv kev lag luam tag nrho tau raug txhim kho rau qee qhov, thiab qib ntawm kev siv tshuab thermal ua tau zoo tuaj rau qee yam. Tom qab kev nce qib ntawm cov txheej txheem plasma spray welding, cov khoom zoo ntawm siab thiab nruab nrab siab li qub tau raug txhim kho ntau, thiab qhov teeb meem ntawm "ib qho luv luv thiab ob qhov to" kuj tau txhim kho. Nrog rau kev ua tiav thiab kev ua haujlwm ntawm 32 kev ntsuas kev tsim kho vaj tse, Tuam Tshoj txoj kev lag luam valve muaj lub hauv paus muaj zog thiab muaj peev xwm tsim tau ntau dua. Txij li thaum xyoo 1970, qhov tso tawm ntawm qhov siab thiab nruab nrab siab li qub tau txuas ntxiv mus. Los ntawm 1972 mus rau 1975, cov zis tau nce los ntawm 21,284t mus rau 38,500t, nrog rau kev nce ntxiv ntawm 17,216t hauv 4 xyoo, sib npaug rau cov zis txhua xyoo hauv xyoo 1970. Cov zis txhua xyoo ntawm cov khoom siv qis qis tau ruaj khov ntawm qib 70,000. mus txog 80,000 tons. Lub sijhawm no,lub valve kev lag luam vigorously tsim cov khoom tshiab, tsis yog tsuas yog ntau yam ntawm lub hom phiaj dav dav tau tsim zoo heev, tab sis kuj tseem tshwj xeeb li qub rau cov chaw nres tsheb fais fab, cov kav dej, lub siab kub siab, tsis tshua muaj kub thiab nuclear kev lag luam, aerospace thiab lwm yam tshwj xeeb lub hom phiaj li qub tseem muaj. tsim tau zoo heev. Yog tias xyoo 1960 yog lub sijhawm ntawm kev loj hlob ntawm cov hom phiaj dav dav, ces xyoo 1970 yog lub sijhawm ntawm kev loj hlob ntawm cov hom phiaj tshwj xeeb. Lub peev xwm txhawb nqa ntawm domesticli qub tau txais kev txhim kho zoo heev, uas ua tau raws li qhov kev xav tau ntawm kev loj hlob ntawm ntau yam kev lag luam hauv lub tebchaws.
Post lub sij hawm: Aug-04-2022
