Kushandisa welding zvinhu uye gaskets kugadzirisa valve

Kushandisa welding zvinhu uye gaskets kugadzirisa valve

Welding inonyanya kushandiswa kukwirisa kwevhavha chisimbiso pamusoro, kugadzirisa welding yekukanda kukanganisa uye welding yechigadzirwa chimiro. Kusarudzwa kwezvinhu zvewelding zvinoenderana nemaitiro ekuita, manual arc welding, plasma spray welding, submerged arc automatic welding, carbon dioxide gas shielded welding, zvinhu zvinoshandiswa zvakasiyana. Pano isu tinongozivisa nzira inowanzoshandiswa yewelding - manual arc welding inoshandiswa mumhando dzakasiyana-siyana. Kuisa chisimbiso pamusoro pepamusoro zvinhu zvakaunzwa muchikamu chechipiri chemukati zvinhu, chitsauko chino chinotarisa pakukandira kugadzirisa welding, manual arc welding yekuumbwa kwemaelectrode akasiyana.
Welding zvinhu
Welding inonyanya kushandiswa kukwirisa kwevhavha chisimbiso pamusoro, kugadzirisa welding yekukanda kukanganisa uye welding yechigadzirwa chimiro. Kusarudzwa kwezvinhu zvewelding zvinoenderana nemaitiro ekuita, manual arc welding, plasma spray welding, submerged arc automatic welding, carbon dioxide gas shielded welding, zvinhu zvinoshandiswa zvakasiyana. Pano isu tinongozivisa nzira inowanzoshandiswa yewelding - manual arc welding inoshandiswa mumhando dzakasiyana-siyana. Kuisa chisimbiso pamusoro pepamusoro zvinhu zvakaunzwa muchikamu chechipiri chemukati zvinhu, chitsauko chino chinotarisa pakukandira kugadzirisa welding, manual arc welding yekuumbwa kwemaelectrode akasiyana.
1 Zvinodiwa kune vanowelders
MaWelders achapasa ruzivo rwekutanga uye bvunzo dzekushanda kweBoiler uye Pressure Vessel Welder Examination Mitemo yakaumbwa neBazi reVashandi neVashandi vePeople's Republic of China, uye vanobata chitupa chekufanirwa vasati vaita basa rewelding mukati menguva yechokwadi.
Valve ndeyekumanikidza mudziyo, welder's technical level uye welding process inobata zvakanangana nemhando yechigadzirwa uye kuchengetedzwa kwekugadzirwa, saka zvakakosha kune zvakaomesesa zvinodiwa kune welders, welding inzira yakakosha mumabhizinesi ekugadzira mavharuvhu, hurongwa hunokosha hunofanirwa kunge huine nzira dzakakosha, kusanganisira vashandi. , midziyo, kutarisira zvinhu uye kutonga.
2 Kuchengetera zvinodiwa kune welding tsvimbo
(1) Chenjerera kune humidity yezvakatipoteredza kudzivirira electrode kubva pakunyorova, hunyoro hwemhepo huri mumhepo huri pasi pe60%, uye siya pasi uye madziro chinhambwe chakati (anenge 30cm).
(2) kusiyanisa electrode mhando, tsanangudzo haigoni kuvhiringidzika.
(3) Yekufambisa stacking process inofanirwa kungwarira kuti isakuvadza ganda remushonga, kunyanya kune Stainless simbi electrode, cast iron electrode, nezvimwe.
Welding tsvimbo inowanzo shandiswa kukanda kugadzirisa welding uye dhizaini welding yezvigadzirwa zvevharuvhu
Tarisa kune Tafura 1-3-1 yewelding tsvimbo magiredhi anowanzo shandiswa mukukandira kugadzirisa welding uye dhizaini welding yezvigadzirwa zvevharuvhu.
Tafura 1-3-1 Common welding tsvimbo mamakisi
category
brand
model
AWS
standard
Carbon steel welding tsvimbo
J422
J502
E4303
E5003
GB/T 5117
J507
*CHE508-1
E5015
E5018-1
E7015
E7018-1
Stainless simbi electrode
R507
A102
A132
A002
A202
A212
A022
A302
A402
Chromium 202
E1-5MoV-15
E0-19-10-16
E0-19-10Nb-16
E00-19-10-16
E0-18-12Mo2-16
E0-18-12MoNb-16
E00-18-12Mo2-16
E1-23-13-16
E2-26-21-16
E1-13-16
E502-15
E308-16
E347-16
E308L-16
E316-16
E318-16
E316L-16
E309-16
E310-16
E410-16
GB/T 983
Cont. 1-3-1 Common welding tsvimbo mamakisi
Low alloy heat resistant steel electrode
R337
E5515-B2-VNb
R107
R307
R407
E5015-A1
E5515-B2
E6015-B3
E7015-A1
E8015-B2
E9015-B3
GB/T 5118
Low bonding simbi electrode
707 vanhu
E5515-C1
GB/T 5118
907 iwe
E5515-C2
E8015-C2
107 vanhu
E7015-G
Monel electrode
R-M3NiCu7
ERNiCu-7
Stainless simbi waya
H0Cr20Ni10Ti
H0Cr21Ni10
H0Cr19Ni12Mo2
H00Cr21Ni10
H00Cr19Ni12Mo2
GB/T 4241
* CHE 508-1 yakaenzana neChinese electrode factory brand GB E5018-1.
1, 2, 3, 4, 1, kuchengetwa kwevhavha yakachengetwa kwenguva refu, kuongorora nguva dzose kunofanira kuitwa, nokuti kubuda kwepamusoro pekugadzirisa kunofanira kuva kwakachena, * * * tsvina, kuchengetedza uye inopera apo bhora rebhora rinofanira kuvharwa mu nzvimbo yakavhurika, gedhi vharafu, globe vharafu, cheki vharafu, migumo yemugero inofanira kuvharwa uye kuvharwa, yakanyatsochengeterwa mukati memukati uye inofefetera nzvimbo yakaoma, Kuisa kana kuvhurika kuchengetedza kunorambidzwa zvachose.
2, kusati kwaiswa, zvakakosha kuti unyatsotarisa kudzvinyirirwa kwechiratidzo chevhavha, kana dhayamita inosangana nezvinodiwa, kubvisa kukanganisa kunokonzerwa nekufambisa kwekutakura, uye kubvisa tsvina yezvikamu zvevhavha.
3. Paunenge uchiisa, valve inogona kuiswa zvakananga pane pombi maererano nekubatanidza mode. Kazhinji, inogona kuiswa mune chero nzvimbo yepombi, asi inoda kuve nyore kushanda nekugadzirisa. Ziva kuti kuyerera kwevhavhavha yepakati kunofanirwa kukwira kumusoro kubva pasi peiyo vertical disc, uye yekusimudza cheki valve inogona kuiswa chete yakatwasuka.
4, bhora vharafu, globe vharafu, gedhi vharafu, chete yakazara yakazaruka kana yakazara yakavharwa, isingabvumidzwe kugadzirisa kuyerera, kuitira kuti udzivise kuvhuvhuta chisimbiso chepamusoro, mhanyisa kupfeka. Pane inverted yekuisa chisimbiso muvharuvhu yegedhi uye yekumusoro shinda yeglobe valve, uye handwheel inosimbiswa kusvika panzvimbo yepamusoro ye ** kudzivirira midhiya kuti irege kubva pakurongedza.
5, bhora vharafu, globe vharafu, gedhi vharafu rakavhurika uye kuvhara kushandiswa kwehandwheel, usashandise levers kana mamwe maturusi, kuti usakuvadza vharafu. Kana handwheel ichitenderera neclockwise, yakavharwa, kana zvisina kudaro, yakazaruka.
6, kurongedza mabhoti egland kunofanirwa kusimbiswa zvakaenzana, haifanirwe kudzvanywa kuita yakakombama, kuitira kuti isakanganise kufamba kwe stem kana kukonzera kuvuza.
7, vharafu iri mukati mekushandisa, inofanirwa kugara yakachena, dhiraivha tambo inofanirwa kugara yakagadzika, yakawanikwa kukanganisa, inofanira kumira nekukurumidza kushandisa, tsvaga chikonzero chekutadza.