I-valve yesango yi-valve ejwayelekileko, esetjenziswa khulu, esetjenziswa khulu ekulondolozeni amanzi, ekwenzeni iinsimbi nezinye iimboni, ukusebenza kwayo okubanzi sele kwamukelwa yimakethe, i-TWS ekhwalithi nokutjheja kwezobuchwepheshe nomsebenzi wokuhlola iminyaka eminengi, ngaphezu kokutholwa kwama-valve wesango babe nerhubhululo elithileko, kodwana nangokusetjenziswa kwama-valve wesango, ukuhlolisisa ezinye iinkinga nokutjheja okunye irhubhululo eliqakathekileko.
Ngokuya ngobujamo obuhlukileko bamavalvu wesango, amavalvu wesango angahlukaniswa abe ziinkoro ezimbili: umhlobo we-wedge nomhlobo we-parallel.
Ipuleti lesango levalvu yesango le-wedge limise okwe-wedge, begodu indawo yokuvala ithambekele emgqeni ophakathi wesiteshi, begodu i-wedge hlangana nepuleti lesango nesihlalo se-valve isetjenziselwa ukufikelela ukuvala (ukuvala). Ipuleti ye-wedge ingaba yisango elilodwa nofana isango eliphindwe kabili.
Iindawo zokuvala ze-valve yesango elikhambelanako zikhambelana begodu ziqondile emgqeni ophakathi wesiteshi, ezihlukaniswe zaba ziinhlobo ezimbili: ngendlela yokuvula nenganayo. Kune-ram ephindwe kabili enendlela yokuqinisa, lokha i-ram nayiwela phasi, i-wedge yama-ram amabili ahambisanako isekelwa esihlalweni sevalvu ngeplani etjhingako, umzila wokugeleza uyasikwa, lokha i-ram nayiphakama begodu ivuleka, i-wedge ihlukaniswe nendawo yokuhlangana ye-ram, i-ram ikhuphuka ibe sebudeni obuthileko, begodu i-wedge ibanjwe phezulu ngumphathi we-ram. Lokha i-ram nayitjhelela esihlalweni se-valve eduze kweendawo ezimbili ezifanako zesihlalo se-valve, umfutho we-fluid usetjenziselwa ukugandelela i-ram emzimbeni we-valve ngehlangothini lokuphuma kwe-valve ukuvala i-fluid.
Ngokuya ngokunyakaza okuhlukileko kwesiqu sevalvu lokha isango nalivulwa begodu livalwa, amavalvu wesango ahlukaniswe abe ziinkoro ezimbili: amavalvu wesango lesiqu esikhuphukako kanye namavalvu wesango lesiqu esifihlekileko. Isiqu sevalvu nesango levalvu yesango lesiqu esikhuphukako likhuphuka begodu lehle ngesikhathi sinye lokha nakuvulwa nofana nakuvalwa; lokha ivalvu yesango lesiqu esifihlekileko nayivulwa nofana ivalwa, isiqu sevalvu sijikeleza kwaphela, begodu ukukhuphuka nokuwa kwesiqu sevalvu akubonakali, begodu ipuleti yevalvu iyakhuphuka nofana iwe. Inzuzo yevalvu yesango lesiqu esikhuphukako kukobana ukuphakama kokuvula umsele kungahlolwa ngokuphakama kwesiqu sevalvu, kodwana ukuphakama okuthathiweko kungafinyezwa. Nawuqale isondo lezandla nofana isibambo, jika isondo lezandla nofana isibambo ngendlela yewashi ukuvala ivalvu.
2. Iinkhathi neenkambisolawulo zokukhetha amavalvu wesango
01. Ivalvu yesango eliphakemeko
Iinkhathi zamavalvu wesango eliphakemeko:
(1) Amapayipi we-oli negesi yemvelo. Amavalvu wesango eliphaphathekileko anemigodi yokuphambukisa nawo alungele ukuhlanza amapayipi.
(2) Amapayipi nemitjhini yokugcina amafutha ahlanjululweko.
(3) Iindawo zokukhiqiza i-oli nerhasi yemvelo.
(4) Amapayipi anemidiya yeenhlayiya ezilengisiweko.
(5) Amapayipi wokudlulisa igesi edorobheni.
(6) Amaphrojekthi wokuphakelwa kwamanzi.
Umthetho wokukhetha ivalvu yesango eliphakemeko:
(1) Emaphayiphini wokudlulisa amafutha nerhasi yemvelo, kukhethwa amavalvu wesango lamapuleti anamasango amabili nofana amabili. Nawufuna ukuhlanza iphayiphi, khetha ivalvu yesango elivulekileko eline-ram eyodwa nomgodi wokuphambukisa.
(2) Ngephayiphi yokuthutha kanye nemitjhini yokugcina amafutha ahlanjululweko, kukhethwa ivalvu yesango eliphakemeko elinesango elilodwa nofana eliphindwe kabili ngaphandle komgodi wokuphambukisa.
(3) Ngesisetjenziswa setheku lokusetjenziswa kwamafutha nerhasi yemvelo, kukhethwa ivalvu yesango eliphakemeko elinepuleti lesango elilodwa nofana eliphindwe kabili elinesihlalo sevalvu entantako emnyama kanye nomgodi wokuphambukisa.
(4) Emaphayiphini anemidiya yeenhlayiya ezilengisiweko, kukhethwa amavalvu wesango eliphakemeko elibunjwe njengommese.
(5) Emapayipini wokudlulisa igesi emadorobheni, kukhethwa isango elilodwa nofana ipuleti yesango eliphindwe kabili.
(6) Emaphrojekthini wokuphakelwa kwamanzi, ivalvu yesango elilodwa nofana yesango eliphindwe kabili ngaphandle komgodi wokuphambukisa ivalvu yesango eliphakemeko liyakhethwa.
02. Ivalvu yesango le-wedge
Iinkhathi zokusetjenziswa kwevalvu yesango le-wedge: emihlobeni ehlukileko yamavalvu, ivalvu yesango ngiyo esetjenziswa khulu, ngokuvamileko ilungele ukuvula ngokupheleleko nofana ukuvala ngokupheleleko, angeze yasetjenziselwa ukulungisa nokugandelela.
Amavalvu we-wedge gate avamise ukusetjenziswa eendaweni lapho kungekho khona iimfuneko eziqinileko zobukhulu bangaphandle bevalvu, begodu ubujamo bokusebenzisa bunzima khulu. Ukwenza isibonelo, indawo yokusebenza yamazinga womtjhiso aphezulu nokugandeleleka okukhulu ifuna bona iingcenye ezivalako zivalwe isikhathi eside.
Ngokuvamileko, ukusetjenziswa kwegandeleleko eliphezulu, ukusika kwegandeleleko eliphezulu (umehluko omkhulu womfutho), ukusika kwegandeleleko eliphasi (umehluko omncani womfutho), umsindo omncani, ukutjhisa nokuhwamuka, izinga lokutjhisa eliphezulu eliphakathi, izinga lokutjhisa eliphasi (i-cryogen), ivalvu yesango le-wedge kuyaphakanyiswa. Ukwenza isibonelo, isetjenziswa khulu embonini yamandla kagesi, ukuncibilikisa i-petroleum, embonini ye-petrochemical, e-oli yaselwandle, ubunjiniyela bamanzi wempompi kanye nobunjiniyela bokuhlanza indle ekwakhiweni kwamadorobha, kanye nembonini yamakhemikhali.
Umthetho wokukhetha:
(1) Iimfuneko zobujamo be-fluid ye-valve. Amavalvu wesango akhethelwa ubujamo bokusebenza ngokujamelana nokugeleza okuncani, amandla wokugeleza aqinileko, ubujamo obuhle bokugeleza kanye neemfuneko eziqinileko zokuvala.
(2) Amazinga womtjhiso aphezulu kanye nomfutho omkhulu. Njenge-steam ephezulu, izinga lokutjhisa eliphezulu kanye ne-oli ephezulu.
(3) Izinga lokutjhisa eliphasi (i-cryogen) eliphakathi. Njenge-ammonia emanzini, i-hydrogen emanzini, i-oksijini emanzini nezinye iindaba.
(4) Umfutho ophasi kanye nobubanzi obukhulu. Njengamaphrojekthi wamanzi wempompi, amaphrojekthi wokuhlanza indle.
(5) Amapayipi wokudlulisa igesi edorobheni.
(6) Amaphrojekthi wokuphakelwa kwamanzi.
Umthetho wokukhetha ivalvu yesango eliphakemeko:
(1) Emaphayiphini wokudlulisa amafutha nerhasi yemvelo, kukhethwa amavalvu wesango lamapuleti anamasango amabili nofana amabili. Nawufuna ukuhlanza iphayiphi, khetha ivalvu yesango elivulekileko eline-ram eyodwa nomgodi wokuphambukisa.
(2) Ngephayiphi yokuthutha kanye nemitjhini yokugcina amafutha ahlanjululweko, kukhethwa ivalvu yesango eliphakemeko elinesango elilodwa nofana eliphindwe kabili ngaphandle komgodi wokuphambukisa.
(3) Ngesisetjenziswa setheku lokusetjenziswa kwamafutha nerhasi yemvelo, kukhethwa ivalvu yesango eliphakemeko elinepuleti lesango elilodwa nofana eliphindwe kabili elinesihlalo sevalvu entantako emnyama kanye nomgodi wokuphambukisa.
(4) Emaphayiphini anemidiya yeenhlayiya ezilengisiweko, kukhethwa amavalvu wesango eliphakemeko elibunjwe njengommese.
(5) Emapayipini wokudlulisa igesi emadorobheni, kukhethwa isango elilodwa nofana ipuleti yesango eliphindwe kabili.
(6) Emaphrojekthini wokuphakelwa kwamanzi, ivalvu yesango elilodwa nofana yesango eliphindwe kabili ngaphandle komgodi wokuphambukisa ivalvu yesango eliphakemeko liyakhethwa.
02. Ivalvu yesango le-wedge
Iinkhathi zokusetjenziswa kwevalvu yesango le-wedge: emihlobeni ehlukileko yamavalvu, ivalvu yesango ngiyo esetjenziswa khulu, ngokuvamileko ilungele ukuvula ngokupheleleko nofana ukuvala ngokupheleleko, angeze yasetjenziselwa ukulungisa nokugandelela.
Amavalvu we-wedge gate avamise ukusetjenziswa eendaweni lapho kungekho khona iimfuneko eziqinileko zobukhulu bangaphandle bevalvu, begodu ubujamo bokusebenzisa bunzima khulu. Ukwenza isibonelo, indawo yokusebenza yamazinga womtjhiso aphezulu nokugandeleleka okukhulu ifuna bona iingcenye ezivalako zivalwe isikhathi eside.
Ngokuvamileko, ukusetjenziswa kwegandeleleko eliphezulu, ukusika kwegandeleleko eliphezulu (umehluko omkhulu womfutho), ukusika kwegandeleleko eliphasi (umehluko omncani womfutho), umsindo omncani, ukutjhisa nokuhwamuka, izinga lokutjhisa eliphezulu eliphakathi, izinga lokutjhisa eliphasi (i-cryogen), ivalvu yesango le-wedge kuyaphakanyiswa. Ukwenza isibonelo, isetjenziswa khulu embonini yamandla kagesi, ukuncibilikisa i-petroleum, embonini ye-petrochemical, e-oli yaselwandle, ubunjiniyela bamanzi wempompi kanye nobunjiniyela bokuhlanza indle ekwakhiweni kwamadorobha, kanye nembonini yamakhemikhali.
Umthetho wokukhetha:
(1) Iimfuneko zobujamo be-fluid ye-valve. Amavalvu wesango akhethelwa ubujamo bokusebenza ngokujamelana nokugeleza okuncani, amandla wokugeleza aqinileko, ubujamo obuhle bokugeleza kanye neemfuneko eziqinileko zokuvala.
(2) Amazinga womtjhiso aphezulu kanye nomfutho omkhulu. Njenge-steam ephezulu, izinga lokutjhisa eliphezulu kanye ne-oli ephezulu.
(3) Izinga lokutjhisa eliphasi (i-cryogen) eliphakathi. Njenge-ammonia emanzini, i-hydrogen emanzini, i-oksijini emanzini nezinye iindaba.
(4) Umfutho ophasi kanye nobubanzi obukhulu. Njengamaphrojekthi wamanzi wempompi, amaphrojekthi wokuhlanza indle.
(5) Indawo yokufaka: lokha ukuphakama kokufaka kulinganiselwe, kukhethwa ivalvu yesango le-rod emnyama; Lokha ukuphakama kungalinganiselwe, kukhethwa ivalvu yesango le-wedge ye-rod evulekileko.
(6) Kwaphela lokha nayivulwa ngokupheleleko nofana ivalwe ngokupheleleko, begodu ingakghoni ukusetjenziselwa ukulungisa nokugandelela, ivalvu yesango le-wedge ingakhethwa.
3. Amaphutha avamileko nokutlhogonyelwa
01. Amaphutha avamileko nezimbangela zamavalvu wesango
Ngemva kokuthi ivalvu yesango isetjenziswe, imiraro elandelako ivame ukwenzeka ngebanga lokutjhisa okuphakathi, ukugandeleleka, ukugqwala kanye nokunyakaza okuhlobeneko kokuthintana ngamunye.
(1) Ukuvuza: Kunemihlobo emibili, okungukuthi ukuvuza kwangaphandle nokuvuza kwangaphakathi. Ukuvuza ngaphandle kwevalvu kubizwa ngokuthi kuvuza, begodu ukuvuza kuvamile emabhokisini wokugcwalisa kanye nokuhlanganiswa kwe-flange.
Isizathu sokuvuza kwebhokisi lokugcwalisa: ukuhlukahluka nofana ikhwalithi yokupakisha ayihlangabezani neemfuneko; Ukupakisha okudala nofana ukuguga kwesiqu; Indlala yokupakisha ekhululekileko Ukuguga ebusweni besiqu.
Isizathu sokuvuza kokuhlanganiswa kwe-flange: into nofana ubukhulu be-gasket abuhlangabezani neemfuneko; Ikhwalithi embi yokucubungula indawo yokuvala i-flange; ukuqinisa okungakalungi kwamabhawudo wokuhlanganisa; Iphayiphi ayikahleleki kuhle, okurholela ekutheni kube nemithwalo eminengi khulu emalungwini.
Imbangela yokuvuza kwangaphakathi kwevalvu: Ukuvuza okubangelwa kuvalwa okukhulu kwevalvu kukuvuza kwangaphakathi, okubangelwa kulimala kwendawo yokuvala yevalvu nofana umrabhu okhululekileko wendandatho yokuvala.
(1) Ukugqwala kuvamise ukubangelwa kugqwala kwendawo yokuvala yomzimba wevalvu, isembozo sevalvu, isiqu sevalvu kanye ne-flange. Ukugqwala kubangelwa khulukhulu ngesenzo se-medium, kodwana nomphumela wokukhupha ama-ayoni avela ku-filler ne-gasket.
(2) Ukutjhwaba: ukutjhwaba kwendawo yendawo nofana ukuhluza isenzakalo esenzeka lokha i-ram nesihlalo se-valve zisekunyakazeni okuhlobeneko ngaphasi komfutho othileko wokuthintana.
02. Ukugcinwa kweamavalvu wesango
(1) Ukulungiswa kokuvuza kwangaphandle kwevalvu
Lokha nawugandelela ukupakisha, ibholthi yendlala kufanele isetjenziswe ngokulingana ukugwema ukutjhinga kwendlala begodu kutjhiye isikhala sokugandeleleka. Ngesikhathi esifanako nokugandelela ukupakisha, isiqu sevalvu kufanele sijikelezwe ukwenza ukupakisha okuzungeze isiqu sevalvu kufane, begodu kuvinjelwe umfutho bona ungapheli khulu, ukwenzela bona ungathinti ukujikeleza kwesiqu sevalvu, ukwandisa ukuguga kwephakheji, begodu unciphise ipilo yokusebenza. Ingaphezulu lesiqu sevalvu liyakghwatha, ukwenzela bona umkhathi uphume lula, begodu kufanele usetjenziswe ukuqeda amabala asephasini lesiqu sevalvu ngaphambi kokusetjenziswa.
Ukuvuza kokuhlanganiswa kwe-flange, nangabe i-gasket ilimele, kufanele ithathelwe indawo; Nangabe into ye-gasket ayikhethwanga kuhle, kufanele ikhethwe into engahlangabezana neemfuneko zokusetjenziswa; Nangabe ikhwalithi yokucubungula indawo yokuvala ye-flange imbi, indawo yokuvala ye-flange kufanele isuswe bese isetjenzwa godu bekube kulapho sele ifaneleka.
Ukungezelela, ukuqiniswa okufaneleko kwamabhawudo we-flange, ukuhlelwa okufaneleko kwamapayipi, nokubalekela imithwalo eyengeziweko ephezulu ekuxhumaneni kwe-flange koke kusiza ukukhandela ukuvuza ekuhlanganeni kwe-flange.
(2) Ukulungiswa kokuvuza ngaphakathi kwevalvu
Ukulungiswa kokuvuza kwangaphakathi kuqeda ukulimala kwendawo yokuvala nokuvala okukhululekileko empandeni (lokha indandatho yokuvala igandelelwe epuletini levalvu nofana esihlalweni ngentambo). Nangabe indawo yokuvala isetjenziswe ngqo emzimbeni wevalvu kanye nepuleti yevalvu, akunankinga yomrabhu okhululekileko nokuvuza.
Lokha indawo yokuvala ilimele khulu, begodu indawo yokuvala yakhiwe yindandatho yokuvala, indandatho endala kufanele isuswe bese kufakwa indandatho etja yokuvala; Nangabe indawo yokuvala yenziwa ngomtjhini ngqo emzimbeni wevalvu, indawo yokuvala elimeleko kufanele isuswe kokuthoma, bese kuthi indandatho etja yokuvala nofana indawo eyenziwe ngomtjhini kufanele igaywe ibe yindawo etja yokuvala. Lokha imihuzuko, amabhamuza, ukutjhwaba, ukugobhoza nezinye iinqabo zendawo yokuvala zingaphasi kwe-0.05mm, zingaqedwa ngokugaya.
Lokha indandatho yokuvala nayigandelelweko begodu ilungiswe, itheyiphu ye-PTFE nofana ipende emhlophe eqinileko ingafakwa ngaphasi kwesihlalo sevalvu nofana i-groove yendandatho yokuvala, bese igandelelwa ngaphakathi kwesivalo ukwenza bona umrabhu wendandatho yokuvala ugcwaliswe; Lokha isivalo nasifakwe iintambo, itheyiphu ye-PTFE nofana ipende emhlophe kufanele ibekwe hlangana neentambo ukukhandela bona amanzi angavuzi hlangana neentambo.
(3) Ukulungiswaivalvuukugqwala
Ngokuvamileko, umzimba wevalvu nebhonethi zigqwala ngokufanako, kuthi isiqu sevalvu sivame ukuba nemigodi. Lokha nakulungiswa, imikhiqizo yokugqwala kufanele isuswe kokuthoma, bese isiqu sevalvu esinemigodi kufanele sisetjenziswe ku-lathe ukuqeda ukugandeleleka, begodu ukupaka okuqukethe i-ejenti yokukhupha kabuthaka kufanele kusetjenziswe esikhundleni salokho, nofana ukupakisha kufanele kuhlanzwe ngamanzi ahlanjululweko ukususa ama-ayoni anomphumela wokugqwala esiquni sevalvu ephaketheni.
(4) Ukulungiswa kokuguga ebusweni bokuvala
Ekusetjenzisweni kweivalvu, indawo yokuvala kufanele ivinjelwe ukuguga ngendlela ekungakghoneka ngayo, begodu i-torque akukafaneli ibe yikulu khulu lokha i-valve nayivaliweko. Nangabe indawo yokuvala ivutha, ingasuswa ngokusila.
Okwesine, ukutholwa kwamavalvu wesango
Esikhathini samanje semakethe kanye neemfuno zabasebenzisi, amavalvu wesango lensimbi akhawunti ingcenye ekulu. Njengomhloli wekhwalithi yomkhiqizo, ngaphezu kokwazi ukuhlolwa kwekhwalithi yomkhiqizo, kufuze sibe nokuzwisisa okuhle komkhiqizo ngokwawo.
01. Isisekelo sokuhlolwa kwamavalvu wesango lensimbi
Ukuhlolwa kwe-iron gate valve kusekelwe emazingeni wezwe we-GB/T12232-2005 "General Valve Flange Connection Iron Gate Valve".
02. Izinto zokuhlola zamavalvu wesango lensimbi
Ngokuyinhloko kufaka hlangana: itshwayo, ukujiya kweboda elincani, ukuhlolwa kwegandeleleko, ukuhlolwa kwegobolondo, njll., lapho ukujiya kweboda, ukugandeleleka, ukuhlolwa kwegobolondo kuyinto etlhogekako yokuhlola, kodwana nento eqakathekileko, nangabe kunezinto ezingavumelani, zingagwetjwa ngqo njengemikhiqizo engakafaneli.
Ngamafuphi, ukuhlolwa kwekhwalithi yomkhiqizo yingcenye eqakathekileko yokuhlolwa komkhiqizo woke, ukuqakatheka kwayo kuyabonakala, njengabasebenzi bokuhlola abaphambili, kufuze siragele phambili nokuqinisa ikhwalithi yabo, ingasi ukwenza umsebenzi omuhle ekuhlolweni komkhiqizo kwaphela, kodwana nokuzwisisa ukuhlolwa kwemikhiqizo, ukwenzela bona senze ngcono umsebenzi omuhle ekuhlolweni.
I-Tianjin Tanggu Water-Seal Valve Co.,ltdkhulukhulu ukukhiqiza ukuhlala okuqinilekoivalvu yevivane,ivalvu yesango,I-Y-strainer, ivalvu yokulinganisa, ivalvu yokuhlola, ivalvu yokulinganisa, isivimbeli sokugeleza emuva njll.
Isikhathi sokuposa: 26 kuNobayeni 2024
