Dongo pa tic mi valve (1967-1978)
01 Dongo pa tic ubedo ku peko
Nicaku i 1967 nituc i 1978, pi aloka loka madit mi kwo pa dhanu, dongo pa tic mi valve de udoko tek. Lembe madongo ma nyuthiri utiye:
1. Valve piny ma wok wok udok piny akeca, man ber pa piny ne udok piny lee
2. Valve lembe mi ngec mi ngec ma ucaku wok ubedo ku matoke
3. Piny ma juyubu ku valve ma tek doko piny ma rii pi kare manok kendu
4. Yub ma juyubu ngo pa valves ma tek man ma rwom pare nyai ucaku wok
02 Tim lembe mi medo bor pa "valve short line"
Ber pa piny ma jucul ivalvetic udok piny akeca, man ingey yiku piny ma tiyo ku pressure ma malu man ma rwom pare tiye ikind kare manok, gavumente uketho rwom ma malu ikum lembe eni. Heavy and General Bureau mi First Ministry of Machinery uketho dul pa valve ma bibedo ku tic mi loko yore mi tic mi valve. I ngei lubo tok lembe man timo sayusac, dul pa valve uketho "Lapor ikum paru ikum dongo pa yore mi yubu valve ma tek man ma rwom pare lapiny", ma juoro ni State Planning Commission. I ngei sayu lembe, juyike ni ketho 52 million yuan i tic mi valve pi timo aloka loka madit mi cobo peko mi can madit pa pressure ma malu man ma rwinyovalves man ber pa piny udok piny pio pio.
1. Rombo aryo pa Kaifeng
I Dwi mir Abic 1972, Dipatmen mir acel mi Machinery utimo coko maditvalvecoko mi tic mi cing dhanu i adhura mi Kaifeng, i adhura mi Henan. Wel pa 125 units man 198 judongo kud i 88 valve factories, 8 science research institutes man design institutes, 13 province man municipal machinery bureaus man jutic moko bino i coko ne. Rombo ne ungolo cwinya ni dwoko dul ario mi tic man dul mi ngec, man eyero Kaifeng High Pressure Valve Factory man Tieling Valve Factory ni judongo mi dul mi high-pressure man low-pressure, man Hefei General Machinery Research Institute ku Shenyang Valve Research Institute re ma gitelo wi tic mi ngec. Rombo ne de uweco man uponjo lembe mudok ikum "three modernizations", medo ber pa piny, sayu lembe, poko piny, man dongo tic mi ngec man ryeko. Nicaku ku kare eno, tic mi ngec man mi rieko ma jubedu ka juku pi oro abusiel ucaku kendu. Lembe eni utimu tic ma lee dit i kelo dongo pa valve man dwoko piny ma kawoni.
2. Medu tic peri mi kanisa man poko lembe
I ngei coko madit mi Kaifeng i 1972, dul pa ju ma timo tic gicaku tic migi kendu. I kare meno, factory 72 kende re ma ubedu i yub mi tic, man factory mapol mi valve ubedu ungo i yub mi tic. Pi yubu ka yubu valve madwong, kabedo acel acel yubu tic mi yubu piny. Shenyang High and Medium Pressure Valve Factory, Beijing Valve Factory, Shanghai Valve Factory, Wuhan Valve Factory,Tianjin Valve Factory, Gansu High and Medium Pressure Valve Factory, man Zigong High Pressure Valve Factory gitiye ku tic mi Northeast, North China, East China, Central South, Northwest, man Southwest Regions. I kind kare eni, tic mi valve man tic mi ryeko ubedu matung tung man ma nyak, man ubedu piny ma jumaru akeca ikind factory ma ubedu i tic ne. Ni lembe mi dongo pa tic mi ng'om, poko ngec, kony man ponji, eketho ngo kende kende bedo maber pa piny, ento eketho bedo karacelu man bedo jurimo ikind ka tic matung tung, kara ng'om mi valve udok piny acel, i acel, ku cing' acel.
3. Tim "lok adek manyen" pa jam tic mi valve
Nimakere ku paru pa coko ario mi Kaifeng man paru pa Heavy man General Bureau pa First Ministry of Machinery, General Machinery Research Institute udok uketho yub madit mi "three modernization" ku kony pa factory matung tung i tic ne. Tic mi "three modernizations" ubedo tic ma pire tek mi ngec, ma en e yore maber mi medo rwom pa tic mi ngec mi tic man mi medo rwom pa jam tic mi valve. Jurutic mi "three modernizations" mi valve gitimo tic nimakere ku "four good" (yot ni tiyo kudu, yot ni gedo, yot ni yiko man ber mi rombu) man "four unification" (model, performance parameters, connection and overall dimensions, standard parts) principles. Lembe madit mi tic utiye ku thenge adek, acel utiye mi dwoko piny ma jucoko karacelu yot; mange utiye mi ketho man loko rwom pa cik mi tic; mir adek utiye mi yero man mi daru piny.
4. Sayusac mi ryeko uketho dongo pa sayu lembe mi ryeko
(1) Dongo pa dul pa ju ma timo sayusac man gieru kabedo mi timo sayusac I thum pa 1969, General Machinery Research Institute juwodhe kud i Beijing ni Hefei, man jam tic macon mi temo rwom pa mol ju turo, ma uketho sayusac mi sayans udoko tek lee. I 1971, ju ma timo sayusac mi sayans gidwogo i dul acel acel, man kabedo mi timo sayusac ikum valve umedire ni dhanu makadhu 30, man juoro gi ni ministry ni yubu sayusac mi ngec. Laboratory ma yot juyike, juketho jam tic mi pimo kero pa mol, man juyike man juyubu jam pimo pressure, packing man jam tic mange, man jutimo sayusac ikum valve sealing surface man packing.
(2) Lembe madongo ma jutimo. Kaifeng Conference ma jutimo i 1973 uketho yub mi sayu lembe ikum tic mi valve nicaku i 1973 nituc i 1975, man uketho yub 39 mi sayu lembe ma pire tek. Ikindgi, utiye piny 8 mi tic ku lyethu, piny 16 mi gwoko piny, piny 6 mi ketho piny, piny 1 mi jam tic ku mac, man piny 6 mi pimo man pimo tic. I ngeye, i Harbin Welding Research Institute, Wuhan Material Protection Research Institute, man Hefei General Machinery Research Institute, juyero dhanu moko ma pire tek ni yubu man ni telo wi lembe ma jutimo kare ku kare, man coko ario mi tic iwi thenge ma pigi tek pa valve ma tek man ma rwom pare lapiny jutimo pi ketho ngec, kony man poko lembe, man juyiko thenge ma pigi tek mi sayusac i 1976 - 1980. Kud tic ma dhanu ceke timo, lembe madongo utimere i tic mi sayu lembe, ma uketho dongo pa sayu lembe mi ngec i tic mi valve. Adwogi pare madit utiye ma e:
1) Med ikum piny ma jukubo. Lembe ma jutimo ikum piny ma jugwoko kudu ubemito edaru peko pa pii ma wok kud i iyevalve. I kare meno, piny ma jutiyo kudu pi juku piny ubedo 20Cr13 man 12Cr18Ni9, ma ubedu ku tego ma nok, ma ubedu ku tego ma nok, peko mi pii ma wok kud i valve, man kwo ma nok. Shenyang Valve Research Institute, Harbin Welding Research Institute man Harbin Boiler Factory gicaku dul pa ju ma timo sayusac adek. I ngei tic matek pi oro 2, juyubu kit piny manyen mi chrome-manganese ma umu wi ngom (20Cr12Mo8). Jam tic ne utiye ku tic maber. Ber pa lworo, kwo ma rii, man epe ku nickel man chromium manok, piny ma jutiyo kudu copo bedu ikum piny ma jutiyo kudu i pacu, ingey ngiyo lembe, etiye piny ma pire tek pi medo rwom.
2) Pongu sayusac. Lembe ma pire tek mi timo sayusac ikum packing utiye ni cobo peko pa valve leakage. I kare meno, valve packing ubedo asbestos ma juketho i iye oil man rubber asbestos, man tic mi sealing ubedo marac, ma uketho valve ubedo ka mol matek. I 1967, General Machinery Research Institute uketho dul pa ju ma lubo tok pii ma wok kudi woko pi lubo tok kabedo moko mi kemikol, kabedo mi yiku moo man kabedo mi kero, man i ngeye gitimo sayusac ikum pii ma wok kud i packing man valve stems.
3) Temo tic pa piny man sayusac ma yot. I kare ma wabetimo sayusac,tic mi valveman de gitimo tic matek pi pimo tic pa piny man timo sayusac ma yot, man ginwangu adwogi madwong.
5. Tim aloka aloka mi ngec mi tic mi kampuni
I ngei coko madit mi Kaifeng i 1973, dilo zo timo aloka aloka mi ryeko. Peko madongo ma ubedu nuti i tic mi valve i kare ne: Mir acel, yub ne ubedo cen, tic mi cwio piny ubedu ma juyubu ku cing, cwio piny acel acel, man jam tic ma jutiyo kudu pi tic matung tung man jam tic ma jutiyo kudu pi tic matung tung jubed jutiyo kudu pi tic ma ngic. Ubedo pilembe kit man kit pa factory acel acel utiye madwong akeca, man wel migi utiye malac in ngom zoo, ento ingey poko pa factory acel acel, dul pa piny ma juyubu ubedo nok akeca, ma nyayu peko i tic pa kero mi yubu piny. Ni dwoko wang peko ma malu eni, Heavy man General Bureau pa First Ministry of Machinery uketho lembe ma e: yubu factory mi valve ma tek man ma rwinyo, timo yub acel, poko tic maber, man medo tic mi yubu piny madwong; tiyo ku diro manyen, yik yore mi yubu piny, man timo tic karacelu i factory madongo man kabedo ma oling. 4 cast steel blank production lines juyike i steel casting workshop, man 10 cold processing production lines mi parts juyike i factory abusiel madongo; wel piny ma romo 52 million yuan ju ketho i tic mi loko diro.
(1) Lokruok pa diro mi tic ku lyethu I aloka pa diro mi tic ku lyethu, diru macalo water glass tidal shell mold, fluidized sand, tidal mold man precision casting ungiyure. Casting maber ecopu timo machin ma epe ku chip nyo ma epe ku chip. E ber pi dhugola, packing gland man valve body man bonnet pa valves ma diameter migi nok, ku bero mi lim. I 1969, Shanghai Lianggong Valve Factory ucaku tiyo ku yore mi yubu valve, pi PN16, DN50 gate valve body,
(2) Lokruok pa diro mi tic ma ngic I loko diro mi tic ma ngic, jam tic ma pire tek man yore mi yubu piny jutiyo kudu i tic mi valve. I acaki pa 1964, Shanghai Valve No. 7 Factory uketho man ucwio gate valve body crawler type semi-automatic production line, ma en e low-pressure valve semi-automatic line mir acel i tic mi valve. I ngeye, Shanghai Valve No. 5 Factory uketho man ucwio semi-automatic line mi DN50 ~ DN100 low-pressure globe valve body man bonnet i 1966.
6. Med kero pa kit yen manyen man medu rwom pa yen ma pong
Pi ni rombu ku yeny pa jam tic madongo macalo petroleum, kemikol, kero pa mac, metallurgy man petrochemical, tic mi valve utiye ka yubu piny manyen i kare marom ku aloka loka mi ryeko, ma umedire rwom pa jam tic mi valve.
03 Summary
Ka waneno ngeye i 1967-1978, dongo pavalve tic ubedo ku peko madit. Ni lembe mi dongo pa petroleum, kemikol, kero pa mac, cuma man coal, valve ma tek man ma rwom pare rwinyo udoko "piny ma rii pi kare manok". I 1972, dilo mi tic mi valve ucaku caku tic man timo tic. I ngei coko ario mi Kaifeng, jutimo ku tego "timo piny manyen adek" man tic mi sayu lembe, ma ukelo aloka loka madit mi ngec i tic ceke. I 1975, tic mi valve ucaku dwoko piny, man tic mi yubu piny udoko ber.
I 1973, State Planning Commission uyio yub mi gedo pi medo tic pa piny ma tek man ma rwinyovalves. I ngei kethu lim, ju ma timo valve gitimo aloka loka madit. Ni kadhu kud i aloka loka mi ngec man yik, diru moko ma malu juyike, kara rwom pa tic ku piny ma ngic i tic eca umedire i rwom moku, man kadhiri pa tic ku jam tic ma ngic udok maber i rwom moku. I ngei yik pa plasma spray welding process, ber pa piny ma juyubu ku valves ma tek man ma rwom pare rwinyo udaru bedu maber akeca, man peko pa " acel ma nok man ario ma wok" de udaru bedu maber. Ku thum man tic pa yub 32 mi gedo, tic mi valve mi China utiye ku thek matek man copo mi yubu piny madwong. Nicaku i 1970, tic pa valve ma tek man ma rwom pare rwinyo umedire. Nicaku i 1972 nituc i 1975, piny ma juwodho umedire nicaku 21,284t ni 38,500t, ku medu pa 17,216t i oro 4, ma rom ku piny ma juwodho kubang oro i 1970. Adwogi ma juwodho kubang oro pa low-pressure valves ubedo maber i rwom ma romo 70,0000 to 8000 tons. I kind kare eni,valve ju ma timo tic gicaku timo piny manyen, ungo kende kende kit valve matung tung ma jutiyo kudu pi tic matung tung, ento bende valve ma pire tek pi kabedo mi kero, pipeline, ultra-high pressure, low temperature man nuclear industry, aerospace man valve mange ma jutiyo kudu pi tic ma pire tek de juyubu maber. Ka 1960s ubedo kare mi dongo madit pa valve ma tiyo ku piny matung tung, eca 1970s ubedo kare mi dongo madit pa valve ma tiyo ku tic ma pire tek. Ker pa kony pa otvalves juyubu maber akeca, ma romo ku yeny mi dongo pa dul matung tung mi ngom.
Saa mi cwalo: Aug-04-2022
