Txheej txheem cej luam
Lub qhov dejyog ib yam khoom tseem ceeb hauv cov tshuab dav dav. Nws tau teeb tsa rau ntawm ntau lub kav dej lossis cov khoom siv los tswj cov dej ntws los ntawm kev hloov thaj chaw hauv lub valve. Nws cov haujlwm yog: txuas lossis txiav cov dej ntws, tiv thaiv cov dej ntws rov qab, kho cov kev cai xws li qhov siab thiab ntws ntawm cov dej ntws, hloov qhov kev taw qhia ntws ntawm cov dej ntws, faib cov dej ntws lossis tiv thaiv cov kav dej thiab cov khoom siv los ntawm kev siab dhau, thiab lwm yam.
Muaj ntau ntau yam khoom siv valve, uas tau muab faib ualub qhov rooj vag, lub ntiaj teb valve,lub valve, lub pob valve,npauj npaim valve, ntsaws valve, diaphragm valve, kev nyab xeeb valve, tswj valve (tswj valve), throttle valve, siab txo valve thiab ntxiab, thiab lwm yam .; Raws li cov khoom siv, nws tau muab faib ua tooj liab alloy, cam khwb cia hlau, carbon hlau, alloy hlau, austenitic hlau, ferritic-austenitic dual-phase steel, nickel-based alloy, titanium alloy, engineering plastics thiab ceramic li qub, thiab lwm yam. Tsis tas li ntawd, muaj cov li qub tshwj xeeb xws li ultra-high pressure valves, vacuum valves, power station valves, li qub rau cov kav dej thiab cov kav dej, li qub rau kev lag luam nuclear, li qub rau nkoj thiab cryogenic li qub. Ntau yam ntawm cov kev cai valve, nominal loj los ntawm DN1 (chav tsev hauv mm) rau DN9750; nominal siab los ntawm ultra-vacuum ntawm 1× 10-10 mmHg (1mmHg = 133.322Pa) mus rau qhov siab heev ntawm PN14600 (chav ntawm 105 Pa); Qhov kub ua haujlwm yog txij li qhov kub qis heev ntawm -269℃mus rau qhov kub siab heev ntawm 1200℃.
Cov khoom siv valve siv dav hauv ntau qhov chaw ntawm lub teb chaws kev lag luam, xws li roj, roj av, roj thiab roj refining thiab ua thiab cov kav dej thauj mus los, cov khoom siv tshuaj lom neeg, cov tshuaj thiab cov khoom noj khoom haus tsim khoom, hydropower, thermal fais fab thiab nuclear fais fab tsim khoom; Ntau hom valves siv dav hauv cov cua sov thiab fais fab mov, cov khoom siv hlau, cov kua dej rau nkoj, tsheb, dav hlau thiab ntau yam tshuab kis las, thiab cov dej thiab cov dej ntws rau thaj av ua liaj ua teb. Tsis tas li ntawd, hauv cov teb ntawm cov thev naus laus zis tshiab xws li kev tiv thaiv thiab aerospace, ntau yam valves nrog cov khoom tshwj xeeb kuj siv.
Cov khoom siv valve suav txog feem ntau ntawm cov khoom siv kho tshuab. Raws li cov ntaub ntawv ntawm cov teb chaws txawv teb chaws muaj kev lag luam, cov nqi tso zis ntawm cov valve suav txog li 5% ntawm cov nqi tso zis ntawm tag nrho cov kev lag luam tshuab. Raws li cov ntaub ntawv, lub chaw tsim hluav taws xob nuclear ib txwm muaj ob lab kilowatt units muaj txog li 28,000 lub valve sib koom, uas kwv yees li 12,000 yog cov valve nuclear kob. Lub chaw ua lag luam petrochemical niaj hnub loj xav tau ntau pua txhiab tus valve sib txawv, thiab kev nqis peev hauv cov valve feem ntau suav txog 8% txog 10% ntawm tag nrho cov peev txheej hauv cov khoom siv.
Qhov xwm txheej dav dav ntawm kev lag luam valve hauv Suav teb qub
01 Qhov chaw yug ntawm Tuam Tshoj txoj kev lag luam valve: Shanghai
Hauv Suav teb thaum ub, Shanghai yog thawj qhov chaw tsim cov li qub hauv Suav teb. Xyoo 1902, Pan Shunji Copper Workshop, nyob ntawm Wuchang Road, Hongkou District, Shanghai, tau pib tsim cov kais dej me me ntawm cov kais dej tshuaj yej los ntawm tes. Lub kais dej tshuaj yej yog ib hom kais dej tooj liab. Nws yog lub chaw tsim khoom siv li qub tshaj plaws hauv Suav teb uas paub txog tam sim no. Xyoo 1919, Deda (Shengji) Hardware Factory (tus thawj coj ntawm Shanghai Transmission Machinery Factory) tau pib los ntawm lub tsheb kauj vab me me thiab pib tsim cov kais dej tooj liab me me, cov kais dej thoob ntiaj teb, cov kais dej rooj vag thiab cov dej tua hluav taws. Kev tsim cov kais dej hlau cam khwb cia tau pib xyoo 1926, nrog qhov loj tshaj plaws ntawm NPS6 (hauv nti, NPS1 = DN25.4). Thaum lub sijhawm no, cov chaw tsim khoom siv kho vajtse xws li Wang Yingqiang, Dahua, Lao Demao thiab Maoxu kuj tau qhib los tsim cov kais dej. Tom qab ntawd, vim muaj kev nce ntxiv ntawm qhov kev thov rau cov kais dej hauv kev ua lag luam, lwm pawg ntawm cov chaw tsim khoom siv kho vajtse, cov chaw tsim khoom hlau, cov chaw tsim khoom xuab zeb (casting) thiab cov chaw tsim khoom siv tshuab tau qhib los tsim cov kais dej ib qho tom qab ib qho.
Muaj ib pawg tsim khoom siv valve nyob rau hauv thaj chaw ntawm Zhonghongqiao, Waihongqiao, Daming Road thiab Changzhi Road hauv Hongkou District, Shanghai. Lub sijhawm ntawd, cov npe muag zoo tshaj plaws hauv kev lag luam hauv tebchaws yog "Horse Head", "Three 8", "Three 9", "Double Coin", "Iron Anchor", "Chicken Ball" thiab "Eagle Ball". Cov khoom siv valve tooj liab thiab hlau cam khwb qis feem ntau yog siv rau cov kav dej hauv tsev thiab cov chaw tu cev, thiab me ntsis ntawm cov hlau cam khwb kuj siv rau hauv kev lag luam textile sib dua. Cov chaw tsim khoom no me me heev, nrog cov thev naus laus zis rov qab, cov khoom siv cog yooj yim thiab cov zis valve qis, tab sis lawv yog qhov chaw yug thawj zaug ntawm Tuam Tshoj txoj kev lag luam valve. Tom qab ntawd, tom qab tsim Shanghai Construction Hardware Association, cov chaw tsim khoom valve no tau koom nrog lub koom haum ib qho tom qab ib qho thiab dhau los ua pawg dej. tswv cuab.
02Ob lub Hoobkas tsim cov valve loj
Thaum pib ntawm xyoo 1930, Shanghai Shenhe Machinery Factory tau tsim cov qhov rooj hlau cam khwb cia qis qis hauv qab NPS12 rau cov dej ua haujlwm. Xyoo 1935, lub Hoobkas tau tsim kev koom tes nrog Xiangfeng Iron Pipe Factory thiab Xiangtai Iron Co., Ltd. cov tswv cuab los tsim Daxin Iron Factory (tus thawj coj ntawm Shanghai Bicycle Factory), xyoo 1936 Ua tiav thiab muab tso rau hauv kev tsim khoom, muaj ze li ntawm 100 tus neeg ua haujlwm, nrog rau 2.6 zhang (1 zhang) los ntawm txawv teb chaws.≈3.33m) lathes thiab cov khoom siv nqa, feem ntau tsim cov khoom siv hauv kev lag luam thiab kev khawb av, cov kav dej hlau cam khwb cia thiab cov hlau cam khwb cia, qhov loj me ntawm lub valve yog NPS6 ~ NPS18, thiab Nws tuaj yeem tsim thiab muab cov khoom tiav rau cov nroj tsuag dej, thiab cov khoom raug xa tawm mus rau Nanjing, Hangzhou thiab Beijing. Tom qab "Lub Yim Hli 13" Nyiv Pooj tau txeeb Shanghai hauv xyoo 1937, feem ntau ntawm cov nroj tsuag thiab cov khoom siv hauv lub Hoobkas raug rhuav tshem los ntawm kev tua phom Nyiv Pooj. Xyoo tom ntej tau nce peev thiab rov ua haujlwm. NPS14 ~ NPS36 cov hlau cam khwb cia, tab sis vim muaj kev lag luam poob qis, kev lag luam qeeb, thiab kev tso tseg kev lag luam, lawv tsis tau rov zoo txog thaum Hmo Ua Ntej ntawm Kev Tsim Tuam Tshoj Tshiab.
Xyoo 1935, tsib tus tswv cuab suav nrog Li Chenghai, tus neeg ua lag luam hauv tebchaws, tau koom ua ke tsim Shenyang Chengfa Iron Factory (tus thawj coj ntawm Tieling Valve Factory) ntawm Shishiwei Road, Nancheng District, Shenyang City. Kho thiab tsim cov li qub. Xyoo 1939, lub Hoobkas tau tsiv mus rau Beierma Road, Tiexi District rau kev nthuav dav, thiab ob lub chaw ua haujlwm loj rau kev casting thiab machining tau tsim. Los ntawm xyoo 1945, nws tau loj hlob mus txog 400 tus neeg ua haujlwm, thiab nws cov khoom tseem ceeb yog: cov boilers loj, cov li qub tooj liab, thiab cov li qub hlau hauv av nrog qhov loj me hauv qab DN800. Shenyang Chengfa Iron Factory yog lub chaw tsim khoom li qub uas tawm tsam kom muaj sia nyob hauv Suav teb qub.
03 Kev lag luam valve nyob rau sab nraub qaum
Thaum Tsov Rog Tiv Thaiv Nyiv Pooj, ntau lub tuam txhab lag luam hauv Shanghai thiab lwm qhov chaw tau tsiv mus rau sab qab teb sab hnub poob, yog li ntawd cov tuam txhab lag luam hauv Chongqing thiab lwm qhov chaw hauv thaj chaw tom qab tau nce siab, thiab kev lag luam tau pib tsim kho. Xyoo 1943, Chongqing Hongtai Machinery Factory thiab Huachang Machinery Factory (ob lub Hoobkas yog cov thawj coj ntawm Chongqing Valve Factory) tau pib kho thiab tsim cov khoom siv plumbing thiab cov li qub qis, uas tau ua lub luag haujlwm tseem ceeb hauv kev tsim khoom siv thaum tsov rog hauv thaj chaw tom qab thiab daws cov li qub pej xeem. Tom qab yeej ntawm Tsov Rog Tiv Thaiv Nyiv Pooj, Lisheng Hardware Factory, Zhenxing Industrial Society, Jinshunhe Hardware Factory thiab Qiyi Hardware Factory tau qhib ua ntu zus los tsim cov li qub me me. Tom qab kev tsim tsa Tuam Tshoj Tshiab, cov chaw tsim khoom no tau koom ua ke rau hauv Chongqing Valve Factory.
Lub sijhawm ntawd, qee tuscov chaw tsim khoom siv valvehauv Shanghai kuj tau mus rau Tianjin, Nanjing thiab Wuxi los tsim cov chaw tsim khoom los kho thiab tsim cov li qub. Qee lub Hoobkas kho vajtse, cov chaw tsim khoom siv yeeb nkab, cov chaw tsim khoom siv tshuab lossis cov chaw tsim khoom hauv Beijing, Dalian, Changchun, Harbin, Anshan, Qingdao, Wuhan, Fuzhou thiab Guangzhou kuj tau koom nrog kev kho thiab tsim qee cov li qub plumbing.
Lub sijhawm tshaj tawm: Lub Xya Hli-21-2022
