Iyini i-Ball Valve: Imiyalelo Yokusebenza Nokusetshenziswa

I-Ball Valve, ivalvu enezingxenye zayo zokuvula nokuvala (ibhola) ziqhutshwa yisiqu se-valve futhi zijikeleza i-axis ye-valve yebhola. I-valve yebhola yohlobo lwe-V evalwe ngokuqinile inamandla amakhulu okushefa phakathi kwe-core yayo yebhola yohlobo lwe-V kanye nesihlalo se-valve yensimbi esihlanganiswe nge-alloy eqinile, efaneleka kakhulu kuma-media aqukethe imicu, izinhlayiya ezincane eziqinile, njll. I-valve yebhola enezindlela eziningi ayikwazi ukulawula ngokuguquguqukayo ukuhlangana, ukuphambuka, kanye nokugeleza kwe-medium epayipini, kodwa futhi ivala noma yisiphi isiteshi ukuze ixhume ezinye iziteshi ezimbili. Lolu hlobo lwe-valve kufanele lufakwe ngokuvundlile epayipini. Ama-valve ebhola ahlukaniswe ngama-valve ebhola anomoya, ama-valve ebhola kagesi, nama-valve ebhola esandla ngokwendlela yokushayela.

Iyini i-Ball Valve

AAma-ball valve asungulwa ngawo-1950. Ngokuthuthuka okusheshayo kwesayensi nobuchwepheshe, ukuthuthukiswa okuqhubekayo kwezinqubo zokukhiqiza kanye nezakhiwo zomkhiqizo, ama-ball valve athuthuke ngokushesha aba uhlobo olukhulu lwama-valve eminyakeni engama-40 nje kuphela. Emazweni aseNtshonalanga athuthukile, ukusetshenziswa kwama-ball valve kuyanda unyaka nonyaka.

Ezweni lakithi, ama-ball valve asetshenziswa kabanzi ekuhlanzeni uwoyela, emipayipini ekude, kumakhemikhali, ekwenzeni amaphepha, kwezemithi, ekulondolozeni amanzi, kugesi, ekuphathweni komasipala, kwensimbi nakwezinye izimboni, futhi adlala indima ebalulekile emnothweni wezwe. Anesenzo sokujikeleza esingama-degree angu-90, umzimba wepulaki uyindilinga, futhi kukhona umgodi ojikelezayo noma isiteshi esidlula ku-axis yawo.

Amavalvu ebhola asetshenziswa kakhulu ukusika, ukusabalalisa nokushintsha indlela yokugeleza kwe-medium epayipini. Adinga kuphela ukujikeleza ama-degree angu-90 kanye ne-torque encane kakhulu ukuze avalwe kahle. Amavalvu ebhola afaneleka kakhulu ukusetshenziswa njengama-switch namavalvu okusika, amavalvu ebhola ohlobo lwe-V. Ngaphezu kokunaka amapharamitha epayipini, amavalvu kagesi kufanele futhi anake kakhulu izimo zemvelo zokusetshenziswa kwawo. Njengoba idivayisi kagesi evalvinini kagesi iyidivayisi ye-electromechanical, isimo sayo sokusetshenziswa sithinteka kakhulu yindawo esetshenziswa kuyo.

Yiziphi Izici Zama-Ball Valve 

• Ukumelana nokugqoka: njengoba umongo wevalvu yevalvu yebhola eqinile iwukushisela kwe-alloy steel spray,indandatho yokuvala yenziwe ngensimbi ehlanganisiwe, ngakho-ke ivalvu yebhola evalwe ngokuqinile ngeke idale ukuguguleka okukhulu lapho ishintsha. (Isilinganiso sayo sokuqina singama-65-70):

• Ukusebenza kahle kokuvala: njengoba uphawu lwevalvu yebhola evalwe ngokuqinile lugaywa ngesandla, lungasetshenziswa kuphela kuze kube yilapho umongo wevalvu kanye nendandatho yokuvala kufanelana ngokuphelele. Ngakho-ke ukusebenza kwayo kokuvala kuthembekile.

• I-Torque Ephansi: njengoba phansi kwendandatho yokuvala yevalvu yebhola eqinile isebenzisa isipilingi ukubamba indandatho yokuvala kanye nenhloko yevalvu ndawonye, ​​​​iswishi ilula kakhulu lapho amandla angaphandle edlula umthwalo wangaphambi kwesipilingi.

• Isevisi endeimpilo: Isetshenziswe kabanzi eminyangweni ehlukahlukene efana ne-petroleum, imboni yamakhemikhali, ukukhiqizwa kwamandla, ukwenza amaphepha, amandla e-athomu, izindiza, amarokhethi, kanye nokuphila kwabantu kwansuku zonke.

Yiziphi Izinzuzo Zama-Ball Valve

Uma kuqhathaniswa nezinye izinhlobo zamavalvu, amavalvu ebhola avuleka ngokushesha, ngokushelela nangokuthembekile, asetshenziswa kabanzi, futhi anezinzuzo ezilandelayo:

1. I-thrust bearing inciphisa i-friction torque ye-valve stem, okungenza i-valve stem isebenze kahle futhi ngendlela eguquguqukayo isikhathi eside.
2. Umsebenzi wokulwa nokungaguquguquki: Kubekwa isiphethu phakathi kwebhola, isiqu sevalvu, kanye nomzimba wevalvu ukuze kuqhutshwe ugesi ongaguquki okhiqizwa ngesikhathi senqubo yokushintsha.
3. Njengoba izinto ezinjaloI-polytetrafluoroethylene inezakhiwo ezinhle zokuzigcoba kanye nokulahlekelwa okuncane kokungqubuzana nebhola, ivalvu yebhola inokuphila isikhathi eside.
4. Ukumelana noketshezi okuncane: Amavalvu ebhola lomoya anokumelana noketshezi okuncane kakhulu kuzo zonke izigaba zamavalvu. Ngisho nasemavalvini ebhola lomoya anobubanzi obuncane, ukumelana kwawo noketshezi kuncane kakhulu.
5. I-valve stem seal ethembekile: Njengoba i-valve stem ijikeleza kuphela kodwa ingaphakami, i-packing seal ye-valve stem akulula ukuyonakala, futhi ikhono lokuvala liyanda ngokwanda kwengcindezi ephakathi.
6. Ukusebenza kahle kokuvala isihlalo se-valve: Indandatho yokuvala eyenziwe ngezinto ezinwebeka njenge-polytetrafluoroethylene kulula ukuyivala, futhi ikhono lokuvala i-valve yebhola liyakhula ngokwanda kwengcindezi ephakathi.
7. Ama-valve ebhola amancane anokumelana noketshezi, anobubanzi obugcwele, empeleni awanakho ukumelana nokugeleza kwamanzi.
8. Isakhiwo esilula, usayizi omncane kanye nesisindo esilula.
9. Iqinile futhi ithembekile. Inezindawo ezimbili zokuvala, futhi izinto zokuvala zevalvu yebhola zisebenzisa kakhulu amapulasitiki ahlukahlukene, zisebenza kahle ekuvaleni futhi zingafinyelela ukuvala okuphelele. Iphinde yasetshenziswa kabanzi ezinhlelweni zokuhlanza.
10. Kulula ukuyisebenzisa, ukuvulwa nokuvalwa okusheshayo, vele ujikeleze ama-90° ukusuka ekuvulekeni okugcwele kuya ekuvaliwe okugcwele, okulungele ukulawulwa ibanga elide.
11. Ukulungiswa okulula, i-ball valve inesakhiwo esilula, futhi indandatho yokuvala ivame ukushukumiseka, okulula ukuyihlukanisa nokuyifaka esikhundleni.
12. Uma ivuliwe noma ivaliwe ngokuphelele, indawo yokuvala ibhola kanye nesihlalo se-valve kuhlukaniswe nendawo yokuvala, futhi indawo yokuvala ngeke ibangele ukuguguleka kwendawo yokuvala i-valve lapho idlula.
13. Ububanzi bezicelo, ububanzi busukela kumamilimitha ambalwa kuya kumamitha amaningana, futhi bungasetshenziswa kusukela ku-vacuum ephezulu kuya ku-high pressure.
14. Njengoba ivalvu yebhola inesici sokusula ngesikhathi senqubo yokuvula nokuvala, ingasetshenziswa ezinkundleni zokuxhumana ezinezinhlayiya eziqinile ezilengayo.
15. Ukunemba okuphezulu kokucubungula, izindleko ezibizayo, akufanelekile ukusetshenziswa ekushiseni okuphezulu, uma kukhona ukungcola epayipini, kulula ukuvinjelwa ukungcola, okuholela ekutheni ivalvu ingavulwa.

Yiziphi Izigaba Zama-Ball Valve

 Ukuhlukaniswa kwemisebenzi

• I-valve yokudlula: amavalvu ebhola ngokuvamile avulwa ngamanzi angashintshi, ngakho amavalvu e-bypass ahlelwe ukuthi alinganise ingcindezi kuqala, okungukuthi, izinhlangothi zombili zigcwele amanzi;
• I-valve yomoya: uma kugcwaliswa ngamanzi, umoya uyasuswa bese i-float ivala ivalvu ngokuzenzakalelayo; uma ikhipha amanzi, umoya uyangezwa bese i-float iwela ngokuzenzakalelayo;
• I-valve yokusiza ukucindezeleka:lapho kuvulwa futhi kuvalwa ivalvu, amanzi acindezelayo phakathi kwevalvu kanye nesembozo sokuvala ayasuswa ukuze kugwenywe ukugqoka isembozo sokuvala;
• Ivalvu yokukhipha amanzi: khipha indle engxenyeni engezansi yegobolondo lebhola.

Ukuhlukaniswa kwe-actuator ye-ball valve

• I-Voltage yebhola yomoya
• I-Ball Valve Kagesi
• I-Hydraulic Ball Valve
• I-valve yebhola yomoya neye-hydraulic
• I-valve yebhola ye-Electro-hydraulic
• I-valve yebhola yokudlulisa i-Turbine

Ukuhlukaniswa ngokwegobolondo/izinto zomzimba zevalvu yebhola

• I-Metal Material Ball Valve: njengeAmavalvu Ebhola Lensimbi Yekhabhoni, amavalvu ensimbi ye-alloy, Amavalvu Ebhola Lensimbi Engagqwali, amavalvu ensimbi ephothiwe, amavalvu e-Titanium alloy, amavalvu e-monel, amavalvu e-copper alloy, amavalvu e-aluminium alloy, amavalvu e-lead alloy, njll.
• Amavalvu Anezingqimba Zomzimba Wensimbi: njengamavalvu afakwe irabha, amavalvu afakwe i-fluorine, amavalvu afakwe i-lead, amavalvu afakwe ipulasitiki, amavalvu afakwe i-enamel.
• Amavalvu Ezinto Ezingezona Ezensimbi: njengama-valve e-ceramic, ama-valve engilazi, ama-valve epulasitiki.

Amapharamitha Ayinhloko e-Ball Valve

• Ukucindezela Okujwayelekile: PN1.0-42.0MPa, ISIGABA SE-ANSI 150-2500, JIS10-20K
• Ububanzi obujwayelekile: DN6~1200, NPS 1/4~48
• Qeda Uxhumano: i-flange, ukushisela izinqe, intambo, ukushisela amasokhethi, njll.
• Izinga Lokushisa Elisebenzayo: -196℃~540℃;
• Ukusebenza: ngesandla, ukudluliselwa kwegiya lezibungu, umoya, ugesi, i-hydraulic, i-gas-liquid linkage, i-electro-hydraulic linkage;
• Izinto Zomzimba Wevalvu: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8(304), CF3(304L), CF8M(316), CF3M (316L), Ti., Izinto ezahlukene zingasetshenziswa emanzini, umusi, uwoyela, i-nitric acid, i-acetic acid, i-oxidizing medium, i-urea kanye nezinye izinto ezisetshenziswayo.

Indlela Yokufaka Nezinyathelo Zevalvu Yebhola Ephayiphini 

1. Susa izembozo zokuvikela ezinhlangothini zombili zokuphela kwe-flange bese ugeza futhi uhlanze ivalvu uma isivuliwe ngokuphelele.
2. Ngaphambi kokufakwa, wonke umshini kufanele uhlolwe ngokwesignali ecacisiwe (ugesi noma igesi) (ukuvimbela ukudlidliza okubangelwa ukuthuthwa ukuthi kungathinti ukusebenza), futhi ungafakwa ku-inthanethi kuphela ngemva kokudlula ukuhlolwa (ukuxhuma izintambo ngokwedayagramu yesekethe ye-actuator kagesi).
3. Ngaphambi kokuxhuma epayipini, hlanza futhi uhlanze ukungcola okusele epayipini (lezi zinto zingalimaza isihlalo sevalvu kanye nebhola).
4. Ngesikhathi sokufakwa, sicela ungasebenzisi ingxenye ye-actuator yevalvu njengendawo yokuphakamisa ukuze ugweme ukulimaza i-actuator kanye nezesekeli.
5. Lolu hlobo lwevalvu kufanele lufakwe ohlangothini oluvundlile noma oluqondile lwepayipi.
6. Ipayipi eliseduze nendawo yokufaka akumele ligobe noma libhekane namandla angaphandle. Amabhuleki noma izisekelo zamapayipi zingasetshenziswa ukuqeda ukuphambuka kwepayipi.
7. Ngemva kokuxhuma epayipini, qinisa amabhawodi okuxhuma i-flange nge-torque echaziwe.

Izikhathi Ezisebenzayo Zama-Ball Valve

Njengoba ama-valve ebhola evame ukusebenzisa irabha, i-nylon kanye ne-polytetrafluoroethylene njengezinto zokuvala isihlalo se-valve, izinga lokushisa lawo lokusebenza linqunyelwe yizinto zokuvala isihlalo se-valve. Umphumela wokuvala we-valve yebhola ufinyelelwa yibhola lensimbi elicindezelwe esihlalweni se-valve yepulasitiki ngaphansi kwesenzo se-medium (i-valve yebhola entantayo). Indandatho yokuvala isihlalo se-valve idlula ekuguqukeni kwe-elastic-plastic ezindaweni zasendaweni ngaphansi kwengcindezi ethile yokuxhumana. Lokhu kuguqulwa kungabuyisela ukunemba kokukhiqiza kanye nokuqina kobuso bebhola futhi kuqinisekise ukusebenza kokuvala kwe-valve yebhola.

Njengoba uphawu lwesihlalo sevalvu sevalvu yebhola luvame ukwenziwa ngepulasitiki, ukumelana nomlilo kanye nokuvimbela umlilo kwevalvu yebhola kufanele kucatshangelwe lapho kukhethwa isakhiwo kanye nokusebenza kwevalvu yebhola, ikakhulukazi eminyangweni kaphethiloli, amakhemikhali, i-metallurgical kanye neminye, kanye nokusetshenziswa kwamavalvu ebhola ezinhlelweni zemishini kanye namapayipi anemidiya evuthayo neqhumayo kufanele kunake kakhulu ukumelana nomlilo kanye nokuvimbela umlilo.

Ngokuvamile, ama-valve ebhola ayanconywa ezinhlelweni zamapayipi anokulungiswa okuphindwe kabili, ukusebenza okuqinile kokuvala, udaka, ukuguguleka, isiteshi sokuncishiswa, isenzo sokuvula nokuvala okusheshayo (ukuvula nokuvala okungu-1/4), ukunqamula kokucindezela okuphezulu (umehluko omkhulu wokucindezela), umsindo ophansi, ukugoba kanye nokufakwa kwegesi, ukuvuza okuncane emoyeni, i-torque encane yokusebenza, kanye nokumelana okuncane koketshezi.

Ama-valve ebhola nawo afanelekela izinhlelo zamapayipi anezakhiwo ezilula, ukunqunywa kokucindezela okuphansi (umehluko omncane wokucindezela), kanye nemidiya ebolile. Ama-valve ebhola angasetshenziswa nakumadivayisi anezinga lokushisa eliphansi (ukubanda okujulile) kanye nezinhlelo zamapayipi. Ohlelweni lwamapayipi e-oxygen embonini yensimbi, ama-valve ebhola asuswe amafutha ngokuqinile kudingeka asetshenziswe. Lapho ipayipi eliyinhloko epayipini likawoyela kanye nepayipi legesi kudingeka lingcwatshwe ngaphansi komhlaba, kudingeka kusetshenziswe i-valve yebhola egcwele i-welded. Lapho kudingeka ukusebenza okulawulayo, kufanele kukhethwe i-valve yebhola enesakhiwo esikhethekile esinomgodi omise okwe-V. Ku-petroleum, i-petrochemical, i-chemical, amandla kagesi, kanye nokwakhiwa kwedolobha, ama-valve ebhola avaliwe ensimbi kuya kwensimbi angakhethwa ezinhlelweni zamapayipi anezinga lokushisa lokusebenza elingaphezu kwama-degrees angu-200.

Izinzuzo kanye nokungalungi kwama-Ball Valve

Izinzuzo ze-Ball Valve:

1. Inokumelana nokugeleza okuphansi kakhulu (empeleni u-0);
2. Ngenxa yokuthi ngeke ibambeke ngesikhathi sokusebenza (uma kungekho lubricant), ingasetshenziswa ngokuthembekile ezintweni ezibolisa kanye noketshezi olubilisa kancane;
3. Ingafinyelela ukuvala okuphelele ngaphakathi kwebanga elikhulu lokucindezela kanye nokushisa;
4. Ingafinyelela ukuvulwa nokuvalwa okusheshayo, kanti isikhathi sokuvulwa nokuvalwa kwezinye izakhiwo singu-0.05 ~ 0.1s kuphela, ukuze kuqinisekiswe ukuthi ingasetshenziswa ohlelweni oluzenzakalelayo lwebhentshi lokuhlola. Uma ivalvu ivulwa futhi ivalwa ngokushesha, ukusebenza akuthinteki.
5. Ingxenye yokuvala eyindilinga ingathola ngokuzenzakalelayo endaweni yomngcele;
6. Indawo yokusebenza ivalwe ngokuthembekile kuzo zombili izinhlangothi;
7. Uma ivuliwe futhi ivaliwe ngokuphelele, indawo yokuvala ibhola kanye nesihlalo se-valve kuhlukaniswe nendawo yokuvala, ngakho-ke indawo yokuvala edlula ku-valve ngesivinini esikhulu ngeke ibangele ukuguguleka kwendawo yokuvala;
8. Isakhiwo sincane futhi silula, futhi singabhekwa njengesakhiwo se-valve esinengqondo kakhulu sezinhlelo eziphakathi nezinokushisa okuphansi;
9. Umzimba we-valve ulingana, ikakhulukazi isakhiwo somzimba we-valve esihlanganisiwe, esingamelana kahle nokucindezeleka okuvela epayipini;
10. Ingxenye yokuvala ingamelana nomehluko wokucindezela okuphezulu uma ivaliwe. ⑾ I-valve yebhola enomzimba we-valve ohlanganisiwe ngokuphelele ingangcwatshwa ngqo ngaphansi komhlaba, ukuze izingxenye zangaphakathi ze-valve zingagqwali, futhi isikhathi senkonzo esiphezulu singafinyelela eminyakeni engama-30. Iyi-valve efanelekile kakhulu yamapayipi kawoyela negesi yemvelo.

Izinkinga ze-valve yebhola

1. Njengoba indandatho yokuvala isihlalo se-valve eyinhloko ye-valve yebhola yenziwe nge-poly tetra fluoro ethylene, ine-coefficient enkulu yokwandisa, iyazwela ekugelezeni okubandayo, futhi inomoya ophansi wokushisa. Ngakho-ke, lapho izinto zokuvala ziqina, ukuthembeka kwesivalo kuzokonakala.
2. Ngaphezu kwalokho, i-polytetrafluoroethylene inokumelana okuphansi kwezinga lokushisa futhi ingasetshenziswa kuphela ezingeni lokushisa elingaphansi kuka-180°C. Uma izinga lokushisa lidlula leli zinga lokushisa, izinto zokuvala zizoguga. Uma kucatshangelwa ukusetshenziswa kwesikhathi eside, ngokuvamile isetshenziswa kuphela ku-120°C.
3. Ukusebenza kwayo kokulungisa kubi kakhulu kunokwe-stop valve, ikakhulukazi i-pneumatic valve (noma i-electric valve).