Ndeapi matanho ekuchengetedza zvakachengeteka mapaipi nemavharuvhu? Sei mavharuvhu egedhi achirambidzwa kupinza pombi yeokisijeni

Ndeapi matanho ekuchengetedza zvakachengeteka mapaipi nemavharuvhu? Sei mavharuvhu egedhi achirambidzwa kupinza pombi yeokisijeni

1. Pamberi pekugadzirisa, zvakakosha kusimbisa kuti valve, pipeline uye system zvakatendeseka zvakasununguka, uye hurongwa huripo valve uye pipeline iripo inogona kugadziriswa chete mushure mokubvisa mvura uye kuderedza kudzvinyirira kusvika zero. Paunenge uchicheka pombi, pombi yakachekwa inofanira kuvharwa nenguva kudzivirira marara. Paunenge uchiridza, vashandi vanofanirwa kupfeka magirazi ekudzivirira, uye Mars splashing direction haifanirwe kumira. Izvo zvakatsiviwa zvinofanirwa kusimbiswa nechinhu uye kuve nechitupa chekufanirwa zvisati zvashandiswa kudzivirira izvo zvisiri izvo. Mukuchengetedza pombi yesoda nehupfu hwemhepo, pombi yekare inochekwa, pombi itsva, kuwedzera kwejoint negokora zvinoiswa nekusimudzwa, uye chikamu chezasi chinorambidzwa zvachose kumira nekupfuura kana welding, kuitira kudzivirira kukuvara, kupisa. uye kupisa.
2, sunungura iyo valve yemagetsi musoro simba, pneumatic musoro mhepo sosi, uye sungirira chiratidzo chenyevero. Paunenge uchibvisa musoro wemagetsi uye wepneumatic, sunungura bhaudhi uye zvishoma nezvishoma usimudze pasi nechepamusoro, woiisa. Mushure mokunge DISASSEMBLY, zvikamu zve VALVE zvinofanira kuiswa panzvimbo yakatarwa, uye pasi rinofanira kuiswa nerabha pad kudzivirira kukanganisa kwemidziyo uye pasi. Paunenge Uchisunungura VALVE flange BOLT, MUSHANDI HAAtenderwi kumira pajojo pamusoro peflange, kana pane yakasara soda spray kukuvara. Pombi yemarasha yakapwanyika isati yamira kushanda, marasha akapwanyika mupombi anofanira kupeperetswa akachena kudzivirira kupisa kwega kwehupfu huzhinji.
3. Pamberi pekusangana, iyo yakabatana pamusoro pevhavha core uye chigaro chevharuvhu ichaongororwa uye inokodzera pamberi pegungano. Pakuungana, tinofanira kuchenesa zvikamu zvinogamuchirwa uye zvikamu, zvakanyatsoenderana nemaitiro ekutevedzana, kudzivirira kubuda uye kukanganisa. Kukuya kwechigaro chevharuvhu uye spool kuchanyatso shandisa maitiro ehukasha, yakanaka uye yakanaka. Kana uchitsiva sandpaper yekukuya, midziyo yekukuya inofanira kuiswa mberi kudzivirira nzungu nezvimwe zvinhu zvakasiyana-siyana kuti zvisawira mugoko revharuvhu.
Matanho ehunyanzvi epaipi uye kugadzirisa vharafu
1. Mushure mekuchengetedzwa kwenzvimbo yevhavha, hydraulic test inoitwa pamwe chete nemuviri webhailer. Zino pad ndege inofanira kunge yakatsetseka isina sirika mavanga, kuputika, nezvimwewo, kugadzira filler kunofanirwa kuve kwakatsetseka uye kusaparadza. Iyo yakabatana ichave 45 °, yakadzika 1200 kuiswa. Chenesa uye tarisa hunde yevharuvhu uye bhokisi rekurongedza, polish nejecha, kurongedza bhokisi madziro anofanira kunge akachena, chigaro chekutakura chinofanira kuva chakachena pasina mavanga, ellipcity inofanira kuva 2, goko rinofanira kunge rakasimba, nzvimbo yakabatana inofanirwa kuve yakatsetseka, isina migodhi, mavanga, kubvisa gomba, makomba, sirika mamaki, kuwana kupenya kunoenderana, kutsetseka, roughness ye 0.2, yekuisa chisimbiso pasi pasina kukanganisa. Iyo inotakura chigaro chepamusoro yakatsetseka uye isingaparadzi, haina ngura. Bhora resimbi rakasimba uye rinofanirwa kutenderera richichinjika. Chigaro chevharuvhu uye madziro emukati memhangura sleeve inofanira kunge yakatsetseka uye isina burr, uye ellipticity ye sleeve inofanira kuva 3, mukaha pakati pehunde yevharuvhu uye yepasi yekuvharira bushing pasi pe spool ndeye 0.2mm, mukaha pakati pehunde yevharuvhu uye chigaro chevharuvhu ndeye 0.3-0.4mm, mukaha pakati pehunde yevharuvhu nechivharo chekurongedza uye chigaro chekurongedza. iri 0.15-0.20mm, mukaha uripo pakati pevhavhavhavhavha nechigaro chevharuvhu i 0.2-0.3mm, mukaha pakati pewasher nevhavhavhavhavha uye chigaro chevharuvhu iri 1.0-1.2mm, Mukaha pakati pegland nechigaro 0.5- 1.0mm.
4, hunde yevharuvhu mukutenderera kwe spool inofanirwa kuchinjika, kumusoro uye pasi yakasununguka 0.05mm, spool muchigaro chevharuvhu inochinjika kutenderera. Pachave pasina muromo wakashata uri pachena mupombi, uye mukati mepombi ichave yakatsetseka uye musono we weld uchazadzwa. Paunenge uchiparadzanisa, muromo wewaya unofanirwa kudzivirirwa kubva pakukuvadzwa, switch inoshanduka, uye hapana mukati mekudonha. Bhandi rekubatana rinofanira kuenderera mberi uye yunifomu kusvika kupfuura 2/3 yehupamhi, uye kune mutsara unoramba uchiisa chisimbiso. Mhete ye tetra inofanira kuiswa mugororo, uye mukaha pakati pemativi mana unofanira kuva wakaenzana. Iyo dhisiki iri muvharuvhu yechigaro inoteedzana inofambisa clearance inofanira kuchengetedzwa mu 1-1.5 mm.
Sei mavharuvhu egedhi achirambidzwa kupinza pombi yeokisijeni
Zvinoenderana ne "GB 16912-1997 Oxygen uye yakabatana gasi kuchengetedza Mitemo yehunyanzvi" pane iyo valve zvinhu: kumanikidza kwakakura kupfuura 0.1mpa, inorambidzwa kushandisa gedhi vharafu, 0.1mpAP0.6mpa, iyo valve disc isimbi isina tsvina, 0.6 mpAP10mpa, ese simbi isina tsvina kana ese mhangura alloy valve,
P
Kana 10 mpa
, ese copper base alloy.
Mumakore achangopfuura, nekuwedzera kwekushandiswa kweokisijeni, vashandisi vakakura veokisijeni vari kushandisa kuendesa pombi yeokisijeni. Nekuda kwepombi refu, kupararira kwakafara, pamwe nekukasira kuvhura kana kuvhara vharafu, zvichikonzera okisijeni pombi uye tsaona yekupisa kwevharuvhu inoitika nguva nenguva, saka, *** kuongororwa kwepombi yeokisijeni uye gonhi rinotonhora riripo njodzi dzakavanzika, njodzi, uye kutora matanho anoenderana kwakakosha.
Kutanga, akati wandei akajairika pombi yeokisijeni, kupisa kwevharuvhu kunokonzera kuongororwa
1. Ngura, guruva uye welding slag mukukwesha kwepombi nemadziro emukati epombi kana chiteshi chevharuvhu, zvichikonzera kupisa kwakanyanya.
Mamiriro ezvinhu aya ane hukama nemhando yetsvina, saizi yechidimbu uye kumhanya kwemhepo. Iron poda iri nyore kupisa neokisijeni, uye iyo yakatsetseka saizi yechikamu, inodzika nzvimbo yekubatidza; Iyo inokurumidza kukurumidza kukurumidza kwegasi, iyo inowedzera mukana wekupisa.
2. Kune girisi, rabha uye zvimwe zvinhu zvine pombi yakaderera paipi kana vharafu, iyo inobatidza pakupisa kwenzvimbo.
Nzvimbo yekubatidza yezvizhinji zvinopisa muokisijeni (pamhepo yemhepo):
Zita remafuta Ignition point (℃)
Mafuta ekuzora 273 ~ 305
Vulcanized fiber mat 304
Rabha 130 ~ 170
Fluorine rabha 474
Yakabatanidzwa ne392 b
Teflon 507
3. Kupisa kwakanyanya kunogadzirwa neadiabatic compression kunokonzera zvinopisa kupisa
Semuenzaniso, pamberi pevharuvhu iri 15MPa, tembiricha iri 20 ℃, uye kumanikidza kuseri kwevharuvhu kuri 0.1mpa. Kana vharuvhu yakavhurwa nekukurumidza, tembiricha yeokisijeni mushure mevhavha inogona kusvika 553 ℃ zvinoenderana neadiabatic compression formula, iyo yasvika kana kupfuura nzvimbo yekupisa yezvimwe zvinhu.
4. Kudzikiswa kwenzvimbo yekupisa kwezvinhu zvinobvira mukumanikidza kwakanyanya oksijeni yakachena ndiko kukurudzira kupisa kweokisijeni pombi yevharupu.
Pombi yeokisijeni nevharuvhu mumhepo yakakwira yakachena okisijeni, njodzi yakakura kwazvo, bvunzo yaratidza kuti moto we *** unogona kuenzana neskweya yekumanikidza, izvo zvinokonzeresa kutyisidzira kukuru kune pombi yeokisijeni nevharuvhu.
Chechipiri, matanho ekudzivirira
1. Iyo yakagadzirwa ichaenderana nemitemo yakakodzera uye zviyero
Dhizaini yacho inofanirwa kuenderana ne1981 Ministry of Metallurgy yakapihwa neIron uye Steel Enterprise okisijeni pombi network yemitemo yakati wandei, pamwe neiyo okisijeni uye ine hukama gasi kuchengetedza tekinoroji mitemo (GB16912-1997), "Oxygen station dhizaini kodhi" (GB50030- 91) nemimwe mirau uye zviyero.
(1) Kuyerera kukuru kweokisijeni mupombi yesimbi yekabhoni inofanira kuenderana netafura inotevera.
Kuyerera kukuru kweokisijeni mupombi yesimbi kabhoni:
Kumanikidza kushanda (MPa) 0.1 0.1 ~ 0.6 0.6 ~ 1.6 1.6 ~ 3.0
Mwero wekuyerera (m/s) 20, 13, 10, 8
(2) Kuti udzivise moto, chikamu chemhangura base alloy kana simbi isina tsvina pombi ine urefu husingasviki 5 nguva yedhayamita yepombi uye isingasviki 1.5m inofanira kubatanidzwa kuseri kwevharuvhu yeokisijeni.
(3) Gokora uye musoro webifurcation unofanirwa kuiswa mashoma sezvinobvira mupombi yeokisijeni. Gokora repombi yeokisijeni ine simba rekushanda rakakwirira kudarika 0.1mpa rinofanira kugadzirwa nemhando yevharuvhu yakadhindwa. Mafambiro emhepo emusoro webifurcation achave 45 kusvika 60 angles kubva kwakananga kumhepo huru.
(4) Mubutt welding ye concave-convex flange, copper welding wire inoshandiswa seO-ring, inova nzira yakavimbika yekuisa chisimbiso yeokisijeni flange ine moto.
(5) Iyo pombi yeokisijeni inofanira kunge iine yakanaka conductive mudziyo, iyo yekumisa pasi inofanira kunge isingasviki gumi, kupikisa pakati pemaflange kunofanirwa kunge kuri pasi pe0.03.
(6) Kupera kwepombi huru yeokisijeni muwekishopu kunofanirwa kuwedzerwa nepombi yekuburitsa kufambisa kucheneswa nekutsiviwa kwepombi yeokisijeni. Pamberi pepombi refu yeokisijeni isati yapinda muvharuvhu inoronga mumusangano, sefa inofanira kuiswa.
2. Installation Precautions
(1) zvikamu zvese zvinosangana neokisijeni zvinofanirwa kuderedzwa zvakanyanya, kuderedzwa nemhepo yakaoma kana nitrogen isina mafuta.
(2) Welding ichave argon arc welding kana arc welding.
3. Kungwarira paKushanda
(1) Kana uchibatidza nekudzima vharuvhu yeokisijeni, inofanira kuitwa zvishoma nezvishoma. Mushandi anofanira kumira padivi pevhavha uye oivhura kamwe chete panzvimbo.
(2) Zvinorambidzwa zvachose kushandisa okisijeni kukwesha pombi kana kushandisa oxygen kuyedza kuvuza uye kudzvanywa.
(3) Kuitwa kweiyo oparesheni tikiti system, pamberi pekushanda kwechinangwa, nzira, mamiriro ekuita tsananguro yakadzama uye zvigadziro.
(4) Manual okisijeni mavharuvhu ane dhayamita yakakura kupfuura 70mm inobvumirwa kushanda chete kana mutsauko wekumanikidza pakati pemberi uye kumashure kwevhavha inoderedzwa kusvika pasi pe0.3mpa.
4. Kuchengetedza kwekuchengetedza
(1) Pombi yeokisijeni inofanira kugara ichiongororwa uye kuchengetedzwa, kubviswa ngura nekupendwa, makore matatu kusvika mashanu ega ega.
(2) Ivhavha yekudzivirira uye geji yekumanikidza papombi inofanira kuongororwa nguva dzose, kamwe chete pagore.
(3) Kuvandudza chigadziro chepasi.
(4) Pamberi pebasa rinopisa, kutsiva uye kuchenesa kunofanira kuitwa. Kana iyo okisijeni yemukati mumhepo yakavhuvhuta iri 18% ~ 23%, inokodzera.
(5) Valve, flange, gasket uye pombi, kusarudzwa kwepombi yakakodzera kunofanirwa kuenderana ne "Oxygen uye yakabatana gasi kuchengetedza tekinoroji mitemo" (GB16912-1997) zvinoenderana.
(6) Gadzira mafaira ehunyanzvi, kushanda kwechitima, kugadzirisa uye kugadzirisa vashandi.
5. Mamwe matanho ekuchengetedza
(1) Kuvandudza kukosha kwekuvaka, kugadzirisa uye kushanda kwevashandi kune kuchengeteka.
(2) kunatsiridza kusvinurira kwevashandi vemaneja.
(3) Kusimudza mwero wesainzi uye tekinoroji.
(4) Ramba uchivandudza chirongwa chekuunza okisijeni.
Mhedziso:
Chikonzero nei vharuvhu yegedhi ichirambidzwa imhaka yekuti chisimbiso chevhavhavha yegedhi mukufamba kwakabatana (kureva kuti, switch yevhavha) ichakonzera kukuvadzwa kweabrasion nekuda kwekupokana, kana yakuvadzwa, pane hupfu hwesimbi kubva pachisimbiso chepamusoro. , zvimedu zvakanaka zvakadai zvehupfu hwesimbi zviri nyore kupisa, iyi ndiyo ngozi chaiyo.
Muchokwadi, pombi yeokisijeni inorambidzwa kuvhavha yegedhi, mamwe mavharuvhu ekumira ane tsaona, nzvimbo yekuisa chisimbiso yevhavha yekumisa ichakuvadzwa, sezvingangoita kuve nengozi, ruzivo rwemabhizinesi mazhinji ndechekuti pombi yeokisijeni yese inoshandisa copper alloy valve. , kwete carbon steel, Stainless steel valve.
Copper alloy valve ine zvakanakira simba rakasimba remagetsi, kupfeka kusagadzikana, kuchengetedzwa kwakanaka (hakuburitse magetsi akamira), saka chikonzero chaicho ndechekuti chisimbiso chepamusoro chevhavha yegedhi chiri nyore kupfeka uye kugadzira simbi ndiyo inonyanya kukonzera, sezvo. nokuti kuderera kwekuisa chisimbiso haisiriyo kiyi.
Muchokwadi gedhi reokisijeni pombi harishandiswe setsaona, rinowanzoonekwa pamativi ese evhavha yekumanikidza musiyano yakakura, vharafu inovhura nekukurumidza, tsaona dzakawanda dzinoratidzawo kuti iyo ignition sosi uye mafuta ndiyo inokonzeresa magumo. gedhi vharafu ingori nzira yekudzora mafuta, uye ngura, degreasing, mafuta anorambidzwa nguva dzose akafanana, chinangwa cheSekutonga kwekuyerera kwechiyero, ita basa rakanaka re electrostatic grounding ndiko kubvisa kunobva moto. . Pachako funga kuti vharafu zvinhu zvinhu, pamusoro hydrogen mutopota uyewo kuoneka matambudziko akafanana, mashoko matsva ane mashoko achadzima gedhi rabviswa, isungano, kiyi kuwana chikonzero, makambani akawanda kungoti pasinei kushanda kumanikidzwa, vanomanikidzwa. nemhangura alloy valve, asi sezvo dzimwe tsaona dzinoitika, saka kudzora moto nemafuta, kunyatsogadzirisa kuchengetedza, Chinokosha ndechekusimbisa tambo yekuchengetedza.