Ruzivo rwekuisa vharafu uye zvinhu zvinoda kutariswa petrochemical chirimwa chevhavha yekuisa zvinodiwa

Ruzivo rwekuisa vharafu uye zvinhu zvinoda kutariswa petrochemical chirimwa chevhavha yekuisa zvinodiwa Kuiswa kwevhavha Imhando yeiyo yekumisikidza yakanaka kana yakaipa, inokanganisa zvakananga kushandiswa kwevhavha mushure, saka, iyo yekuvaka unit uye yekugadzira unit inofanira kuunzwa kuti ibatanidze kukosha kukuru. Kuiswa kwevhavha kuchaitwa maererano nemirairo yemirairo yevhavha uye mitemo yakakodzera. Mukuita basa rekuvaka, tinofanira kunyatsoongorora uye kuvaka nemazvo. Isati yaiswa vharafu, INOFANIRA KUGADZIRWA mushure mekunge bvunzo yekumanikidza yave inokodzera. Nyatsotarisa kana kutsanangurwa uye modhi yevhavha ichienderana nemadhirowa, tarisa kana zvikamu zvevharuvhu zvakamira, kana vharafu yekuvhura nekuvhara inochinjika uye yakasununguka, uye kana nzvimbo yekuisa chisimbiso yakakuvadzwa, nezvimwewo, uye isa. valve mushure mekusimbiswa. Kana iyo valve yaiswa, nzira yekushanda yevhavha inofanira kunge inenge 1.2m kubva panzvimbo yekushanda, iyo ichave yakasvibiswa nebhokisi. Apo pakati pevhavha uye handwheel iri kupfuura 1.8m kubva panzvimbo yekushanda, nzvimbo yekushanda inofanira kugadzirirwa mavhavha uye mavhavha ekuchengetedza ane mamwe mabasa. Kune mapaipi ane mavharuvhu akawanda, edza kuisa pfungwa kune mavharuvhu pachikuva kuti zvive nyore kushanda. Midziyo yakaita sema sprockets, matsvimbo ekuwedzera, mapuratifomu anofambiswa, uye manera anofambiswa anogona kushandiswa kune mavharuvhu ega ega anopfuura 1.8m uye asingawanzo shandiswa. Kana Ivhavha AKASIKIRWA PASI PASI PACHISHANDISWA CHINHU, RWERE RWEKUDZORERA RUCHAPIWA, uye VALVE yepasi ichapihwa tsime revhu, iro richavharirwa kuchengetedza. Hunde yevharuvhu iri pahorizontal pombi inofanira kunge yakamira mudenga. Hazvina kukodzera kuisa tsinde pasi. Valve hunde kudzika kuisirwa, kusagadzikana kushanda, kusagadzikana kugadzirisa, asi zvakare nyore kune ngura vharafu tsaona. Usaisa pasi valve askew kuti udzivise kushanda kusina kunaka. Ivhavha padivi nepadivi pombi inofanira kuva nenzvimbo yekushanda, kugadzirisa uye disassembly, uye kureba pakati pemavhiri emaoko hakufaniri kuva pasi pe100mm. Kana kureba pakati pemapombi kwakamanikana, vharuvhu inofanira kudzika. Kune vharuvhu ine simba rakakura rekuvhura, simba rakaderera, brittleness yakakura uye uremu hukuru, iyo valve furemu yekutsigira valve inofanira kuiswa isati yaiswa kuti ideredze kutanga kunetseka. Paunenge uchiisa chivharo, shandisa chipanera chepombi yepombi iri pedyo nevhavha uye wrench yenguva dzose yevhavha pachayo. Panguva imwecheteyo, kuiswa, kuita vharafu muhafu-yakavharwa mamiriro ekudzivirira kutenderera kwevhavha uye deformation. Kuiswa kwakarurama kwevhavha kunofanira kuita kuti chimiro chemukati chive chinoenderana nekuyerera kwepakati, fomu yekuisa inoenderana nezvinodiwa zvakakosha zvechimiro chevhavha uye zvinodiwa zvekushanda. Kunyanya kutarisisa kunofanirwa kubhadharwa kune yepakati kuyerera kwezvinodiwa zvevhavha inofanira kuiswa zvinoenderana nezvinodiwa zvepaipi nzira. KURONGWA KWEVHAFU INOFANIRA KUNOFANIRA KUNOFANIRA UYE KUWANIKWA NEMUSHANDISI. Kune liftT-stem valves, panofanira kuva nenzvimbo yekushanda. Dzinde remavharuvhu ose rinofanira kukwidzwa kumusoro uye perpendicular kune pombi kusvika pazvinobvira. Kuiswa kwevhavha yekubatanidza pamusoro Kana magumo evhavha akaiswa threaded, screw inofanira kukwizwa mukati mehupamhi hwevhavha. Kana iyo screw yakadzvanywa mukati meiyo yakadzika yekumanikidza chigaro, inokanganisa kurongeka kwakanaka kwechigaro uye gedhi. Kana iyo screw yakakwenenzverwa muchikamu chisina kudzika, inokanganisa kuvimbika kwechisimbiso kwejoint, uye zviri nyore kuunza kuvuza. Panguva imwecheteyo, tambo yekuisa chisimbiso inofanira kugadzirwa yePTFE raw tape sealant, uye chenjera kuti urege kupa chisimbiso zvinhu kuvhavha mhango. Kune mavhavha ane FLANGE END CONNECTIONS, TANGA TSVAGA CHISO CHECHINOBUNISA CHEFLANGE, NECHISO CHEKUMBERI CHAKANYANYA KUTI MUTARA UYE BHORO RAKATADZWA. Iyo VALVE flange inofanirwa kuenzana nepombi flange, iyo gap iri pakati nepakati, hapafanirwe kuve nemuromo wakashata, kutenderera uye zvimwe zviitiko, gasket repakati pakati pemaflange rinofanira kuiswa pakati, harigone kutsvetwa, bhaudhi rinofanira kunge riripo. symmetrical uye yakaenzana yakasimbiswa. Inodzivirira imwezve simba rinosara kubva pakumanikidzwa kusimbisa kubatana panguva yekuiswa kwevharuvhu. Usati waiswa, pombi yemukati rusvingo uye tambo yekunze inofanira kunyatsocheneswa tsvina; *** Burr uye kunze kwenyika izvo zvinotadzisa kuyerera kwepakati uye zvinogona kukanganisa kushanda kwemidziyo, ridza tsvina, slag uye mamwe maturu mupombi isati yabatana. Dzivirira kukuvadzwa kwechisimbiso pamusoro pevhavha kana plug valve. Paunenge uchiisa vheji yakabatanidzwa pamagumo ekushongedza, musono welding pamigumo miviri yevhavha mushure mekuvhara nzvimbo inofanira kurongeka kutanga, ipapo valve inofanira kuvhurwa, uye musono welding unofanirwa kusungirirwa maererano nekugadzirisa. Mushure mekuputika, kutaridzika uye mukati weld weld quality ye weld inofanira kuongororwa kuti ione kuti hapana porosity, slag inclusion, crack, etc., uye weld inofanira kuongororwa ne ray kana pamusoro pekutonga kana zvichidiwa. Kuiswa kwemavharuvhu anorema Paunenge uchiisa mavharuvhu anorema (DN100), SHANDISA ZVINHU ZVINOSIMUDZA KANA ZVINHU, TAMBO YOKUSIMUDZA INOFANIRA KUSUNGAMIRIRA KUFANGE KANA KUBVIRA CHEVHARUFU, kwete Kumubato werudzi rwevharuvhu, saka AS kudzivirira kukuvadzwa kwevhavha. Ndezvipi zvinowanzodiwa pakuiswa kwevharuvhu? Mhinduro: Izvo zvinowanzodiwa pakuiswa kwevhavha, urefu hwakakodzera hwekuisa, vharafu pahorizontal pipe, valve stem direction ndeyotevera: (1) Ivhavha inofanira kunge iri panzvimbo iyo iri nyore kuwana, nyore kushanda nekuchengetedza. MaVALVES PAmutsara wepombi (senge mapaipi kuenda nekubva kune mudziyo) anofanirwa kurongedzerwa nechepakati, uye chikuva chekushanda nemanera zvinofanirwa kutariswa. Kurongeka kwakafanana kwevhavha papombi, mutsara wayo wepakati unofanirwa kunge uri pedyo sezvinobvira. Iyo mambure kureba pakati pemavhiri emaoko haifanire kunge iri pasi pe10Qmm. Kuti uderedze chinhambwe pakati pepombi, mavharuvhu anogona kudzika. (2) Nzvimbo yekuisa yevhavha inoshandiswa nguva dzose inofanira kuva nyore kushanda, uye iyo yakakodzera yekuisa urefu ndeye 1.2m kubva panzvimbo yekushanda. Kana kureba kwepakati pevhavha handwheel inodarika 2m yenzvimbo yekushanda, chikuva chinofanirwa kuisirwa boka revhavha kana iro rinowanzo shandiswa vharavha yega yega nevhavhavha yekuchengetedza, uye matanho akakodzera anofanirwa kutorwa kune isingawanzo shandiswa yega yegavhavha. (senge sprocket, tsvimbo yekuwedzera, chikuva chinofambiswa uye manera anofambiswa, nezvimwewo). Cheni ye sprocket haifanirwe kuvharidzira kupinda. Mavharuvhu ari pamapombi uye midziyo ine midhiya ine ngozi haifaniri kuiswa mukati mehurefu hwemusoro wemunhu, kuitira kuti isakuvadza musoro, kana kukuvadza zvakananga chiso chemunhu kana vharafu ichidonha; (3) Ivhavha inoshandiswa mumidziyo yekuparadzanisa inofanira kunge yakabatana zvakananga nemuromo wepombi yemidziyo kana pedyo nemidziyo. Ivhavha iri pamutsetse wepombi yakabatana nemidziyo yepakati ine njodzi zvakanyanya uye ine njodzi yakanyanya huturu inofanira kubatanidzwa zvakananga nemuromo wemidziyo, uye vharafu haifanire kushandisa cheni yakatwasuka; (4) Ivhavha yekudzivirira njodzi yakadai sevhavha yemvura yemoto, moto wemoto wevhavha uye mamwe mavharuvhu maviri anofanira kupararira, uye anofunga nezvekuchengetedzwa kwekuchengetedzwa kwenjodzi. Rudzi urwu rwevhavha runofanira kuiswa kuseri kwekamuri yekudzora. Seri kwemadziro ekuchengetedza, kunze kwemusuwo wefekitari, kana kune imwe nzvimbo yakachengeteka kubva panzvimbo yetsaona; Kuti apise njodzi, mushandisi anogona kushanda zvakachengeteka; (5) Kuwedzera kune zvakakosha zvinodiwa pakuita, vharafu iri pazasi pombi yeshongwe, reactor, yakamira mudziyo uye zvimwe midziyo haizorongedzerwe mujasi; (6) vharuvhu yakachekwa yepombi yebazi yakatwasuka inotungamirwa kubva papombi yakaoma inofanira kunge iri padyo nemudzi wechikamu chepombi chehorizontal; (7) kusimudza cheki vharafu inofanira kuiswa mupombi yakatwasuka, vertical lift cheki vharuvhu inofanira kuiswa mupombi yepakati inoyerera kubva pasi kusvika kumusoro kwepombi yakatwasuka. Swing cheki vharafu inofanira kunge yakasarudzika kuiswa mupombi yakatwasuka, inogona zvakare kuiswa mupombi yepakati inoyerera kubva pasi kuenda kune yakatwasuka pombi; Ivhavha yepasi inofanira kuiswa mu centrifugal pump suction installation urefu, inogona kusarudza butterfly check valve; Pombi yekubuda uye iyo yakabatana pombi dhayamita haina kuenderana, inogona kusarudza yakaderedzwa dhayamita cheki vharafu; (8) nzvimbo yepakati pakati pevhiri remaoko revhavha rakarongedzwa kutenderedza chikuva chekushanda uye mupendero wepuratifomu yekushandisa haifanirwe kunge yakakura kupfuura 450mm, kana hunde negumbo reruoko zvichikwira pamusoro pepuratifomu uye kureba kuri pasi pe2m, haifanire kukanganisa kushanda uye ndima yeanoshanda; (9) Ivhavha yepombi yepasi pevhu inofanira kunge iri mumugero wepombi kana mugodhi wevharuvhu, uye kana zvichidikanwa, tsvimbo yekuwedzera yevhavha inofanira kuiswa. Ivhavha yemvura yemoto zvakanaka inofanira kuva nezviratidzo zvakajeka; (10) Kuvharuvhu papombi yakachinjika, kwakanangana nedzinde kunogona kutariswa nenzira inotevera: yakatwasuka kumusoro; Level; Kurerekera kumusoro kwe45; Kudzika kutsvedza 45; Hapana yakatwasuka pasi; (11) Valve stem yakachinjika kuisirwa yakavhurika tsvimbo yerudzi rwevharuvhu, kana vharuvhu yavhurwa, hunde yevharuvhu haizokanganisa nzira. Chengetedza kuiswa kwevharuvhu kunoda kutariswa (1) Kuisa chinzvimbo, kureba, kupinza uye kutumira kunze kwegwara kunofanirwa kusangana nezvinodiwa zvekugadzira, teerera kune yepakati kuyerera nzira inofanirwa kuenderana nemuseve wakatarwa nemuviri wevharuvhu, kubatana kunofanirwa kuve kwakasimba uye kwakasimba. . (2) Kuonekwa kwevhavha kunofanira kuongororwa kusati kwaiswa, uye zita rezita revhavha rinofanira kuenderana nemitemo yemazuva ano yenyika "General Valve Logo" GB 12220. Nokuti kushanda kwekushanda kwakakura kudarika 1.0mpa uye mune pombi huru yekucheka basa revhavha, inofanira kuiswa pamberi pesimba uye yakasimba bvunzo yekuita, inokwanisa mushure mekushandisa. Munguva yekuyedzwa kwesimba, kudzvanywa kweyedzo ndeye 1.5 nguva dzezita rekumanikidza, uye nguva yacho haisi pasi pe5min. Iyo vharafu shell uye kurongedza zvichave zvinokodzera pasina kuvuza. Tightness bvunzo, bvunzo kudzvanywa ndeye 1.1 nguva dzezita rekumanikidza; Nguva yekuedzwa inopindirana nezvinodiwa zveGB 50243. (3) Usaita kuti cheki yevhavha inotakura huremu mupombi, guru rekuongorora valve (AETV imwe nzira valve) : inofanira kunge ** * inotsigirwa, kuitira kuti kwete kukanganiswa nekumanikidzwa kunogadzirwa nepipe system.