Maitiro ekuisa uye kugadzirisa oiri uye gasi pombi vharafu yemukati yekudonha chikonzero uye kutonga
Ivhavha ndiyo inokosha yekudzora chikamu mupombi yemvura inotakura system, iyo ine marudzi akasiyana-siyana, tsanangudzo, zvinhu uye nzira dzekubatanidza. KUNE ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINOTAURWA PAKUTARISA KUGADZIRIRWA KWEFIND VALVE, IYI bepa rinosuma muchidimbu mapoinzi makuru echinongedzo chega chega chega chega mugavhu rekuisa pombi, uye rinopa chirevo chekutungamira kwekuiswa kwevharuvhu yepombi.
Ivhavha ndiyo inokosha yekudzora chikamu mupombi yemvura inotakura system, iyo ine marudzi akasiyana-siyana, tsanangudzo, zvinhu uye nzira dzekubatanidza. KUNE ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINOTAURWA PAKUTARISA KUGADZIRIRWA KWEFIND VALVE, IYI bepa rinosuma muchidimbu mapoinzi makuru echinongedzo chega chega chega chega mugavhu rekuisa pombi, uye rinopa chirevo chekutungamira kwekuiswa kwevharuvhu yepombi.
Pipeline valve sechikamu chakakosha chegadziriro yehurongwa. Iyo yekumisikidzwa kwemhando yepombi vharafu inogadzirisa zvakananga kuzadziswa kwakanaka kweakabatana mabasa e process system. Iwo makuru ekutonga malink ehutungamiriri ayo ndeaya anotevera:
1, kuongorora vharafu uye kugamuchirwa
1.1 Kuongororwa kwekuonekwa kwevharuvhu: hapana pores, trachoma, kuputika uye ngura mumuviri wevharuvhu; Dzinde hapana kubhenda, ngura chiitiko, shinda yedzinde yakatsetseka, yakatsvinda isina waya yakatyoka; Gland ine yakanaka, inochinjika kutenderera kwehandwheel; Flange yekuisa chisimbiso pamusoro pasina zvikwekwe, pockmarks, nezvimwe; Kubatana kwe thread mumamiriro akanaka; Yakakodzera welding groove. Valve bit nhamba, kudzvanywa uye mamwe ma paramita anowirirana nedhizaini.
1.2 Kuongorora zvinyorwa: Zvinyorwa zvinonyanya zvinosanganisira: chirongwa chemhando, humbowo hwezvinhu, se-yakavakwa dhizaini, marekodhi ebvunzo, zvinyorwa zvekugadzirisa, zvinodiwa zvekuchengetedza, uye chitupa chekuenderana. Mavharuvhu asingaenderane achange aine magwaro ekuburitsa anowirirana nemamiriro ezvinhu uye mahwendefa asingaenderane nezvitupa.
2. Valve kuchengetedza uye kugadzirisa zvinodiwa
Chengetedza valve inlet uye yekubuda yakavharwa uye isa desiccant, shandura nguva dzose maererano nemirairo ye desiccant. Sarudza tembiricha, humidity uye zvakatipoteredza zvinodiwa zvekuchengetedza zvinoenderana nemagwaro ekugadzirisa valve. Kune mavharuvhu esimbi isina tsvina, chenjera kusarudza zvisiri-halogen kuputira zvinhu. Mavharuvhu anofanirwa kutariswa uye kuchengetwa nguva nenguva panguva yekuchengetedza.
3, valve pressure test
Nokuti valve yakaitwa shell, chigaro uye kuvhara muedzo wekumanikidza usati wabuda mufekitari, ingoita muedzo wekuvhara wevhavha panzvimbo. Kune chiyero uye chikamu chekusimbisa, iyo yenyika chiyero GB50184-2011 inotsanangura chikamu chemumunda bvunzo dzekumanikidza, mazinga ekunze haana zvinodiwa. Kazhinji muridzi anotemerwa zvichienderana nekutarisirwa kwemhando uye ruzivo rwekushandisa kweiyo valve yekugadzira nhanho, uye general valve inoda kuvharwa 100% mumunda.
3.1 Muedzo wepakati zvinodiwa: iyo valve test medium imvura; Shandisa mazinga akasiyana ehutano hwemvura maererano nekuchena kwegadziriro; Nekudaro, kana vheji yekushanda iri gasi, svikiro rekuyedza rinofarirwa kushandisa mhepo yakaoma isina mafuta kana nitrogen, uye inogona kutsiviwa nekumanikidza kwemvura.
3.2 Kutsunga kwekuvhara muedzo wekuedza: Zvinodiwa pakuvhara test pressure yevhavha muGB/T13927-2008 uye ASME B16.34 uye MSS-SP-61 zvakangofanana. Iyo HYDROSTATIC TEST PRESSURE INYORO 1.1 NGUVA DZINOTEDZERWA KUDIKIRWA KWEVHAFU PRESSURE CLASS PANE 100OF, KANA KUTI MUEDZO WEKUYEDZWA INOSVIKA PA80psi ZVINOGONA KUSHANDISA. Kana iyo VALVE NAMEplate IKAMAKA NEMUSIRO WEKUSHANDA KWEKUSHANDA KUKURU KANA KUTI KUSHANDA kwevhavha hakukodzere chiyero chepamusoro-chisimbiso chekumanikidza bvunzo, iyo yekumanikidza yekuyedza inogona kuitiswa zvinoenderana ne1. valve nameplate.
3.3 Ongororo yemhedzisiro yebvunzo: Iyo yevhavha yekuvhara bvunzo yekutsanangurwa inongoda kuti bvunzo igare kwenguva pfupi, uye hapana chakakosha chinodiwa kuvhara bvunzo kwemaminetsi asingasviki 5 mukushanda chaiko. Ivhavha yakavharwa nezvinhu zvinoshanduka haizove nekudonha kunoonekwa uye hapana kudonhedzwa kwekumanikidzwa kwegeji yekumanikidza panguva yekumanikidza kubata nguva. Kune ZVIKAMU ZVEKUGADZIRWA KWEVVIRI VANOBVIRIRA KUDYA, USSS INOGONA KUYERA KUNYORA KUBUDA PANGUVA YEUNITITI KANA KUSHANDISA HWERE HWEMABHABHU KANA MAdonhwe eMVURA SEZVINOTAURWA MUMSS-SP-61 PRESSURE TEST. Leakage IS yakabatana nedhayamita yezita revhavha. Izvo zvinodikanwa zvekuvuza zveyenyika chiyero chakafanana neicho cheAmerican standard.
1 2 mukati memafuta uye gasi pombi vharafu kuvuza chikonzero uye kutonga kunotamba svikiro svikiro mukushanda kwevharuvhu mumafuta uye gasi pombi, mafambiro ekuyerera kwepakati, basa rakakosha mukudzora kudzvanywa, vharafu * * yakajairika inokanganisa kugadzirwa. matambudziko ekuchengetedza ndiko kuvuza, kuvuza kwevharuvhu kunze kwemakesi maviri akateedzana kubuda kwevharuvhu (kudonha) uye kudonha kwemukati (kudonha). Kana ikasawanikwa uye ikabatwa nenguva, pachava nenjodzi huru dzekuchengetedza, izvo zvinogona kukanganisa kuchengetedzwa kwemafuta uye gasi kutakura kugadzirwa uye kushanda uye kugadzirisa kwemidziyo uye kugadzirisa. Kana vharafu ichidonha, unogona kuteerera kune chiitiko, tarisa kana paine zviri pachena media kuvuza uye zvimwe zvinonzwisisika zvakawanikwa, asi zvakare unogona kushandisa gasi rinopisa.
Ivhavha inoita basa rinokosha mukushanda kwemafuta uye gasi mapaipi, zvakadai sekucheka svikiro, kugovera kuyerera kwekuyerera kwepakati, kugadzirisa kudzvinyirira nezvimwe zvakadaro. Dambudziko rinowanzoitika rinokanganisa kuchengetedzwa kwevhavha ndeyekudonha. Iwo maviri makesi ekudonha kwevharuvhu ndiko kubuda kwekunze kwevharuvhu (kunonzi kubuda kwekunze) uye kubuda kwemukati (kunonzi kudonha kwemukati). Kana ikasawanikwa uye ikabatwa nenguva, pachava nenjodzi huru dzekuchengetedza, izvo zvinogona kukanganisa kuchengetedzwa kwemafuta uye gasi kutakura kugadzirwa uye kushanda uye kugadzirisa kwemidziyo uye kugadzirisa. Kana vharafu ichidonha, unogona kuteerera kune ruzha ipapo, tarisa kana paine zviri pachena media media uye zvimwe zvinonzwisisika zvakawanikwa, asi zvakare unogona kushandisa rinopisa gasi detector kana leak yekuona chiridzwa chekuongorora uye kuona. Mushure mekuvhara kwevharuvhu, kuhwanda kwakawanda kwakasimba, kusingawanikwe munguva, zviri nyore kuitika kudzvinyirira kuwedzeredza, kusvibiswa kwemafuta uye dzimwe tsaona dzekugadzirwa kwekuchengetedza, sekuitika kweakasiyana media inter-tambo, mafuta ekuchengetedza tangi denga, yakadzika midziyo haigone kuve. kugadziriswa, nezvimwewo, mhedzisiro yacho yakakomba.
Chikonzero chekubuda mukati mevhavha
1.1 Chinja muganho dambudziko
Chikonzero chakanyanya kukosha chinotungamira kune kuvuza kwevharuvhu ndiko kuchinjisa muganho wekuchinja hakusi munzvimbo. Danho rekutanga PAKUTAURA kuputika kwevharuvhu ndeyekutarisa kana vheji yevharuvhu iripo, kunyanya kuona kana vharafu inogona kuvharwa zvakakwana panzvimbo. Mazhinji mavharuvhu ebhora ari munzvimbo yakazara, bhora rekuvhara zvikamu uye muviri wevharuvhu unongoda kusiyana 2 ~ 3 madhigirii, zvinokonzeresa kuvuza kwepakati. Nekuti iyo plug vharafu yakaderedzwa dhayamita, saka zvikamu zvekuvhara zvakajairika uye musiyano wemuviri wevharuvhu we10-15 madhigirii zvinokonzeresa kudonha kwemukati. Kazhinji chikonzero chevhavha yekuchinja muganho haisi munzvimbo inonyanya kukonzerwa neanotevera mamiriro:
(1) Ivhavha inoiswa mufekitari kana mukufambisa kwekutakura uye kurodha nekudzikisa, zvichiita kuti valve stem yakabatana nemidziyo uye valve stem drive sleeve musangano Angle dislocation inokonzera kukanganisa kwemuganhu kunokonzera kupera kwemukati;
(2) yekuunganidza bhora revhavha yevhavhavha yakagadzika zvidhinha, pamwe nekuvigwa nekuda kwedzinde refu, sekukura kwekushandiswa kwenguva, iyo valve stem ngura uye humwe hutsvina muchikamu chepasi cheseti ye, ichaita. kuva pakati pevharuvhu hunde nevharuvhu set blocks akatutira zvimwe tsvina seguruva, jecha, ngura, pendi, yakaumbwa muvharuvhu inovhara vharafu haigoni kuiswa panzvimbo yekubuda;
(3) Kune iyo actuator isina kuchengetwa kwenguva yakareba, nekuda kwekuparara kwegirisi mubhokisi regiya kuita zvidhinha zvakaoma, kuunganidza ngura, mabhaudhi akasununguka uye zvimwe zvikonzero, zvinokonzeresa kutsauka uye kukonzera vharafu mukati. leakage;
(4) vharafu ine actuator yakaisa nzvimbo yekuvhara yakazara yakanyanya kufambira mberi, muvharuvhu haina kunyatsovharwa munzvimbo yekumisa chiito, zvichikonzera muganhu usiri wakarurama uye kukonzera kudonha kwemukati;
(5) Ivhavha inobudiswa zvisina kufanira, uye tsvina inoungana muimba yevhavha, zvichiita kuti valve haigoni kuvharwa zvakakwana panzvimbo uye inokonzera kubuda kwemukati;
(6) Panguva yekushanda, kusvibiswa muchubhu kunopinda pakati pemuviri wevhavha uye zvikamu zvekuvhara, zvichiita kuti valve haigoni kuvharwa zvakakwana panzvimbo.
1.2 Kusachena kuripo muvharuvhu
Chimwe chikonzero chekuvhara kwevhavha nguva dzose kuvapo kwetsvina muvharuvhu. Izvi zvisina kuchena zvinogona kuva jecha, matombo, ngura, welding slag, nezvimwewo, asi zvakare inogona kunge iri maturusi, matanda emagetsi, matanda ematanda, zvigadzirwa zvepurasitiki nezvimwe zvinhu zvakafanana zvinowanikwa panzvimbo yekuvaka. Matambudziko aya anonyanya kukonzerwa nezvikonzero zvinotevera:
(1) Mushure mekuedzwa kwe hydraulic yemugadziri wevhavha, mvura iri mumidziyo haina kusunungurwa, kana mvura haina kuomeswa, anticorrosive, mafuta ekuzora uye mamwe matanho ekudzivirira, zvichiita kuti mukati mevhavhavhavhare corrosion uye zvichiguma nekuputika kwemukati;
(2) Nzvimbo yekuvaka haina kuchengetedzwa zvakanaka kumativi ose evhavhavha isati yaiswa, zvichiita kuti pave nemarara, mvura, matombo uye kumwe kusvibiswa mukati megero pakati pechigaro chevhavha chisimbiso uye muviri wevhavha, chigaro "O ” ring kana kuti spring groove, zvichikonzera kubuda mukati.
(3) Panguva yekuvaka, kushanda hakuenderane nemitemo, uye tsanangudzo yekuvaka haina kubhadharwa. Zvishandiso zvevashandi, welding electrodes uye mamwe masundries panzvimbo yekuvaka anopinda muvharuvhu, zvichikonzera kudonha kwevhavha yemukati.
(4) kwete kazhinji chiito chevharuvhu, madhaka kana kusvibiswa kuunganidza munzvimbo yekuisa chisimbiso, kugadzira cushion yakaoma kana pasi pegedhi revhavha kuunganidza yakawandisa, haigoni kuvharwa panzvimbo, zvichiita kuti mukati mekuputika.
(5) Pamberi uye mushure mekuiswa kwevharuvhu, girisi inokodzera haina jekiseni nenguva, uye tsvina inopinda mugodhi pakati pechisimbiso chechigaro chevharuvhu nemuviri wevharuvhu, iyo "O" mhete yechigaro chevharuvhu kana chitubu groove. , zvichikonzera kubuda mukati.
(6) Nguruve haina kuchengetwa isati yasvika uye shure, zvichiita kuti tsvina iunganidzwe kana kupinda mugororo mushure mechigaro, zvichiita kuti kusasimwa kusina kunaka.
(4) Ivhavha yakavharwa nekuisa chisimbiso girisi haiwedzerwi nenguva, zvichikonzera kusakwana kwehuwandu hwekuisa chisimbiso kuumba mukati mekudonha.
Nguva yekutumira: Oct-28-2022
