Kugamuchirwa kwevharuvhu yepombi, kuyedzwa kwekumanikidza, Kuiswa uye zvinhu zvinoda kutariswa Chii chinofanira kutariswa kana pombi yevhavha yaiswa?

Kugamuchirwa kwevharuvhu yepombi, kuyedzwa kwekumanikidza, Kuiswa uye zvinhu zvinoda kutariswa Chii chinofanira kutariswa kana pombi yevhavha yaiswa?

Mune fluid pombi masisitimu, mavharuvhu zvinhu zvinodzora zvine basa guru rekuparadzanisa michina nemapombi masisitimu, kudzora kuyerera, kudzivirira kuyerera, kutonga uye kuburitsa kumanikidza. Inogona kushandiswa kudzora kuyerera kwemhepo, mvura, chiutsi, marudzi ese ekuora midhiya, madhaka, mafuta, simbi yemvura uye radioactive midhiya. Nekuti iyo pombi system yekusarudza yakanyatsokodzera vharafu yakakosha, saka, kuti unzwisise maitiro evhavha uye kusarudzwa kwematanho evharuvhu uye hwaro zvakare kunokosha.
Mavharuvhu
Mune fluid pombi masisitimu, mavharuvhu zvinhu zvinodzora zvine basa guru rekuparadzanisa michina nemapombi masisitimu, kudzora kuyerera, kudzivirira kuyerera, kutonga uye kuburitsa kumanikidza. Inogona kushandiswa kudzora kuyerera kwemhepo, mvura, chiutsi, marudzi ese ekuora midhiya, madhaka, mafuta, simbi yemvura uye radioactive midhiya. Nekuti iyo pombi system yekusarudza yakanyatsokodzera vharafu yakakosha, saka, kuti unzwisise maitiro evhavha uye kusarudzwa kwematanho evharuvhu uye hwaro zvakare kunokosha.
Iwo mana mabasa epaipi vharafu
Kutanga, cheka uye usunungure medium
Iri ndiro basa rinokosha revhavha, kazhinji sarudza vheji yakananga, kuyerera kwayo kuduku.
Kudzika vharafu yakavharwa (globe valve, plunger valve) nekuda kweiyo tortuous kuyerera nzira, kuyerera kwekudzivirira kwakakwira kupfuura mamwe mavharuvhu, saka mashoma akasarudzwa. Mavharuvhu akavharwa anogona kushandiswa uko kuyerera kwakanyanya kunobvumidzwa.
Chechipiri, dzora kuyerera
Ivhavha iyo iri nyore kugadzirisa inowanzosarudzwa kudzora kuyerera. Mavharuvhu ekudzika achivhara (akadai SEGLOBE) ANOKOdzera CHINANGWA ICHI NOKUTI UYE HWECHIGARO HWAKAENDEANA NEKUSVIRWA KWEZVINHU.
Rotary VALVES (PLUG, butterfly, BALL mavharuvhu) uye FLEXURE BODY VALVES (PINCH, DIAPHRAGM) ANOWANIKWAWO KUTI HUNOGONESA, asi ZVINOGARA CHETE muchikamu chidiki chevharuvhu DIAMETERS.
Gedhi VALVE IS Idhisiki rakaumbwa gedhi kune denderedzwa chigaro chiteshi kuita transverse kufamba, iyo chete iri padyo nenzvimbo yakavharwa, inogona kudzora zvirinani kuyerera, saka kazhinji haishandiswe kuyerera kuyerera.
Chetatu, kuchinja shunt
Ivhavha inogona kuva nematanho matatu kana anopfuura, zvichienderana nekudiwa kwekudzosera uye kutsauka. Plug nebhora mavharuvhu akanyatsokodzera chinangwa ichi, uye saka, mavharuvhu mazhinji anoshandiswa kudzosera kumashure uye kutsausa anosarudzwa seimwe yeaya mavharuvhu.
Nekudaro, MUZVIMWE ZVIMWE ZVINHU, mamwe MATINJI EMAVIVE ZVINOGONA KUSHANDISWA SEZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINHU ZVINOTSAUSA, ZVINHU ZVINHU ZVINHU ZVINHU ZVIMWE kana ZVIMWE ZVIMWE ZVINOGONA Akanyatsobatanidzwa kune mumwe nemumwe.
4. Pakati nepakati nezvidimbu zvakaturikwa
Kana iyo yepakati ine yakaturikwa zvimedu, ** yakakodzera kushandiswa kwezvikamu zvekuvhara pamwe nekuvhara pamusoro peiyo inotsvedza vharafu nekupukuta chiito.
Kana KUSVIRWA KWAKANYORA KUSVIRWA NEKUFAMBIRA KWECHIGARO, ZVINHU ZVINOGONA KUTEPIWA, SAKA VALVITI IYI INONYANYA KUNYANYA KUNYANYA KUCHENA MEDIA KUSENGA KUTI KUSIMWA KWEZVINHU ZVINOGONA KUTI ZVINHU ZVINENGE ZVICHIDZIDZWA. Mavharuvhu ebhora uye mavharuvhu epuragi anopukuta nzvimbo yekuisa chisimbiso panguva yekuvhura nekuvhara, saka akakodzera kushandiswa mune midhiya ine yakaturikwa zvimedu.
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.
4. Kuiswa kwevhavha
4.1 Ruzivo tarisa usati waiswa: Simbisa iyo bhiti nhamba, nhamba yehurongwa, rudzi, danho rekumanikidza uye rumwe ruzivo pane chinhu chechinhu zvinoenderana neruzivo rwevharuvhu mudhirowa uye dhizaini shanduko magwaro e ***, uye simbisa kana nzvimbo yekuisa uye inotevera. nzvimbo yekuchengetedza yakakwana. Kushanda kwevharuvhu kunowanikwa.
4.2 Kudzivirirwa kwevhavha: Kune zvikamu zvisina njodzi zvevhavha, disassembly kana kuchengetedzwa kwakaoma kunogona kuitwa kusati kwaiswa. Mapombi NEZVINHU ZVOKUGADZIRA VAVIRI ZVINOFANIRA KUCHENGERERWA KUDZORERA KUTI ZVISIRIRE KUCHENA KWEMUKATI KUTI DZIVIRIRE marara mupombi nemidziyo kuti isaparadze nzvimbo yekuvharisa yevhavhavha.
4.3 Kuisa dhairekitori: Iyo nzira yekuyerera yakanyorwa pane yevhavha muviri inofanirwa kuenderana neinoyerera nzira yepakati system. Ivhavha yekudzivirira inofanira kuiswa vertically. Kune yekusimudza cheki vharafu, inogona chete kuiswa muhorizontal pombi inofanirwa kuve nechokwadi kuti vharafu disc vertical; Neku swing cheki mavharuvhu, chengetedza pini padanho.
4.4 Kuiswa kwevhavha uye kubatana:
Weld mavharuvhu: CHECK valve groove size, simbisa valve zvinhu, shandisa chaiyo WPS. Kune yakapfava seal welding vharafu, kana ichishanda, inogona kubvisa mhete yekuisa chisimbiso mushure mekukwidibira, welding inopera kudzorera rin'i yekuisa chisimbiso; Inogonawo kudzorwa nekuvhura kwevharuvhu uye tembiricha yewelding zvinoenderana nezvinodiwa nemugadziri. Kune mavharuvhu ANODA kupisa kurapwa pamberi uye mushure mekucheka kwegobvu madziro alloy pombi, teerera kune inobvumirwa tembiricha kukosha kwemukati mevharuvhu panguva yekupisa kupisa.
Flange valve: Tarisa kuti nzvimbo yekuisa chisimbiso yeflange haina kukanganisa uye fomu yekuisa chisimbiso uye nhanho yekumanikidza yekubatanidza flange inofanira kufanana. Zvinorambidzwa zvachose kumanikidza boka. Mabhaudhi anofanirwa kuiswa zvakasununguka, akasimbiswa symmetrically uye torque yakanyorwa. Kune mavharuvhu etembiricha akakwira pamusoro pe300, kupisa simbisa flange uye kurongedza mabhoti egland pasi pemamiriro ekupisa.
Thread yekubatanidza: uchifunga kubviswa kuri nyore, zviri nani kumisikidza majoini anochinjika pamativi ese evharuvhu, teerera kusarudzwa kweshinda yekuisa chisimbiso zvinhu, zvemhangura, cast iron muchina asiri-simbi mavharuvhu, shinda haigone kukwizwa futi. yakasimba, kuitira kuti irege kukuvadza valve.
5, vharafu matambudziko akajairika uye kudzora matanho
Dambudziko rinonyanya kuitika mukumisikidzwa kwevharuvhu yemunda ndeyekubuda kwevharuvhu. Zvikonzero zvikuru ndezvi:
1. Hutsanana husina kunaka hwepombi hunoita kuti mitumbi yekunze inamire panzvimbo yekuvharisa yevharuvhu uye ichikuvadza nzvimbo yekuvharisa;
2, welding tembiricha kutonga kwakashata, zvichiita kuti vharafu chisimbiso kupisa kunze deformation;
3. Mushure mekupedzwa kwe hydraulic test, valve haina kucheneswa uye yakaomeswa nenguva, zvichiita kuti kusvibiswa kwevhavha;
4, vharafu inotakura gland bolt haina kusungwa;
5, vharafu inotakura chisimbiso kutadza kukanganisa.
General mitemo yekuisa
1. Nzvimbo yekuisa yevhavha haifaniri kukanganisa kushanda, disassembly uye kuchengetedza midziyo, pipeline uye muviri wevhavha pachayo, uchifunga nezvekuonekwa kwegungano.
2. Pamavharuvhu pamapaipi akachinjika, isa hunde yevharuvhu kumusoro kana pane imwe Engle, usaise vhiri reruoko pasi. Iyo vharafu, dzinde uye handwheel pane yakakwirira altitude pombi inogona kuisirwa yakatwasuka, uye kuvhura nekuvhara kwevharuvhu kunogona kushandiswa kure neketani munzvimbo yakadzika yakadzika.
3. Symmetrical kurongeka, yakatsvinda uye yakanaka; Ivhavha iri pamukwidza, pasi pechigadziro chekubvumira nzira, vhiri revhavha kusvika pakukwirira kwechipfuva ** kushanda kwakakodzera, kazhinji 1.0-1.2m kubva pasi kwakakodzera, uye tsinde yevharuvhu inofanira kuiswa nenzira yeanoshanda.
4. Mutsara wepakati wekukwirira kwemavharuvhu padivi-ne-side riser inowirirana, uye kureba kwemambure pakati pemavhiri emaoko hakusi pasi pe100mm; Mavharuvhu ari padivi-ne-parutivi mitsara yakachinjika anofanirwa kudzedzereka kuti aderedze nzvimbo yepombi.
5. Paunenge uchiisa mavharuvhu anorema pamapombi emvura, kupisa kupisa uye zvimwe midziyo, zvitsigiro zvevhavha zvinofanira kuiswa; Kana iyo valve inoshandiswa nguva dzose uye yakaiswa pamusoro pe 1.8m kubva panzvimbo yekushanda, nzvimbo yakagadziriswa inoshandiswa inofanira kupiwa.
6. Kana paine museve mucherechedzo pamutumbi wevharuvhu, museve poindi ndiyo inoyerera yepakati. Pakuisa vharafu, chenjerera kuti museve unonongedza munzira imwechete neyepakati mupombi.
7. Paunenge uchiisa mavharuvhu e-flange, iva nechokwadi chokuti zviso zviviri zvekupedzisira zveflange zvakafanana uye zvakadzika, uye usashandise gaskets mbiri.
8. Paunenge uchiisa mavharuvhu ane threaded, valve ine threaded ichave yakagadzirwa nehupenyu hwekubatanidza kuitira nyore disassembly. Iyo yekumisikidzwa kweiyo mhenyu yekubatanidza inofanirwa kufunga nezvekureruka kwekuchengetedza, kazhinji mvura inoyerera nepakati pevharuvhu uyezve kuburikidza nehupenyu kubatana.