Bawul ɗin da aka saba amfani da shi ba na ƙarfe ba yana duba yanayin haɗi tsakanin mai kunna wutar lantarki da kowane bawul
Ethylene propylene roba wurin zama rated zazzabi kewayon ne -28 ¡æ ~ 120 ¡æ. EPDM yana nufin terpolymer na ethylene, propylene, da diene, wanda aka fi sani da EPT Nordell. Kyakkyawan juriya na lemar sararin samaniya da juriya na yanayi, kyakkyawan aikin rufewa na lantarki, juriya mai kyau ga masu ƙarfin iyakacin duniya da kafofin watsa labarai na inorganic. Saboda haka, ana iya amfani da shi a cikin masana'antar HVAC, ruwa, phosphate ester, barasa, ethylene glycol, da dai sauransu. Ba a ba da shawarar Ethylene propylene roba kujeru don amfani da ruwa da mai, HYDROCARBON chlorineted, turpentine, ko sauran man fetur.
Valve da aka fi amfani da kayan da ba na ƙarfe ba
Sannu, roba nitrile
Nitrile roba wurin zama wanda aka kimanta kewayon zafin jiki shine -18 ¡ã C zuwa 100 ¡ã C. Har ila yau ana kiransa, NITRILE, ko HYCAR. Abu ne na roba na duniya wanda ya dace da ruwa, iskar gas, mai da mai, mai (sai dai gasoline tare da ƙari), barasa da ethylene glycol, iskar gas mai laushi, propane da butane, mai da sauran kafofin watsa labarai da yawa. Hakanan yana da juriya mai kyau da juriya na lalacewa. Matsayin abinci (FG) nitrile roba wurin zama wanda aka ƙididdige yawan zafin jiki shine -18 ¡æ zuwa 82 ¡æ. Abubuwan da ke ciki sun dace da daidaitattun CFR Sashe na 21, Sashe na 177.2600. Ana iya amfani da shi ta hanya ɗaya da robar nitrile na yau da kullun amma yana buƙatar amincewar FDA.
Ethylene propylene roba EPDM
Ethylene propylene roba wurin zama rated zazzabi kewayon ne -28 ¡æ ~ 120 ¡æ. EPDM yana nufin terpolymer na ethylene, propylene, da diene, wanda aka fi sani da EPT Nordell. Kyakkyawan juriya na lemar sararin samaniya da juriya na yanayi, kyakkyawan aikin rufewa na lantarki, juriya mai kyau ga masu ƙarfin iyakacin duniya da kafofin watsa labarai na inorganic. Saboda haka, ana iya amfani da shi a cikin masana'antar HVAC, ruwa, phosphate ester, barasa, ethylene glycol, da dai sauransu. Ba a ba da shawarar Ethylene propylene roba kujeru don amfani da ruwa da mai, HYDROCARBON chlorineted, turpentine, ko sauran man fetur.
Matsayin abinci na ethylene propylene roba wanda aka kimanta kewayon zafin jiki shine -28 ¡æ ~ 120 ¡æ. Abubuwan da ke ciki sun dace da daidaitattun CFR Sashe na 21, Sashe na 177.2600. Ana iya amfani da shi ta hanya ɗaya da robar nitrile na yau da kullun amma yana buƙatar amincewar FDA.
Farashin PTFE
Teflon wurin zama wanda aka ƙididdige yawan zafin jiki shine -32 ¡ã C zuwa 200 ¡ã C. Kyakkyawan juriya ga babban zafin jiki da lalata sinadarai. Saboda babban yawa na polytetrafluoroethylene, kyakkyawan haɓaka, amma kuma yana iya hana lalata yawancin kafofin watsa labaru na sinadarai.
TEFLON Mai Gudanarwa shine samfurin TEflON da aka gyaggyarawa wanda ke ba da damar halin yanzu ya wuce ta cikin rufin don Cire INSULATION NA TEFlON. Saboda halayensa, polytetrafluoroethylene mai gudanarwa ba za a iya gwada shi ta wutar lantarki ba.
Ƙarfafa polyteflon RTFE
RTFE gyara ne na kayan PTFE. Ko da yake gogayya coefficient na tsarki PTFE ne sosai low (0.02 ~ 0.04), amma lalacewa ne mai girma, kuma saboda da sauki creep, matalauta inji Properties, low hali iya aiki, matalauta girma da kwanciyar hankali da sauran halaye, kamar yadda gogayya abu yana da girma. iyakoki. Kawai gyare-gyare, ta hanyar hanyar kayan hadewar kayan aiki don saduwa da buƙatun musamman na kayan rufewar lalacewa a kowane fanni na rayuwa, a cikin haɓaka juriya na PTFE, ana iya haɗe su da wasu abubuwa masu jurewa kamar gilashin fiber, fiber carbon fiber. , graphite, molybdenum disulfide, bronze foda da wasu kwayoyin halitta, An kafa haɗin haɗin raga a cikin tsarin PTFE mai laushi don inganta haɓaka, haɓakar zafi, juriya mai rarrafe, da juriya.
Fluorine roba Viton
The rated zafin jiki na fluorine roba wurin zama -18¡æ ~ 150¡æ. Viton alamar kasuwanci ce mai rijista ta Kamfanin DuPont, kuma Fluorel alamar kasuwanci ce mai rijista daidai da robar fluorine na Kamfanin 3M. Wannan abu yana da babban juriya na zafin jiki da kyakkyawan juriya na lalata sinadarai. Ya dace da samfurori na hydrocarbon, ƙananan ƙaddamarwa da kuma yawan adadin ma'adinai na ma'adinai, amma ba a cikin kafofin watsa labaru na tururi da ruwa ba (ƙananan juriya na ruwa).
Ultra high kwayoyin nauyi polyethylene UHMWPE
Ultra-high kwayoyin nauyi polyethylene kujeru an rated daga -32 ¡ã C zuwa 88 ¡ã C. Wannan abu yana da mafi low zafin jiki juriya fiye da PTFE, amma har yanzu yana da kyau kwarai sinadaran juriya. Hakanan Uhmwpe yana da juriya mai kyau da juriya na lalata, kuma ana iya amfani dashi a cikin yanayin juriyar lalacewa.
Silicone jan karfe roba Silicone
Rubber silicone na jan ƙarfe shine polymer tare da ƙungiyoyin halitta, wanda babban sarkarsa ya ƙunshi silicon da atom ɗin oxygen. Matsakaicin zafin jiki ya fito daga -100 ¡ã C zuwa 300 ¡ã C. Yana da kyakkyawan juriya na zafi da juriya na zafin jiki, kyakkyawan aikin haɓakar wutar lantarki da babban rashin ƙarfi na sinadarai. Dace da Organic acid da ƙananan taro na inorganic acid, tsarma alkali da maida hankali alkali. Rashin hasara: ƙananan ƙarfin injiniya. Ana buƙatar maganin vulcanization.
Graphite Graphite
Graphite kristal ne na carbon, abu ne mara ƙarfe, launin ruwan toka na azurfa, inganci mai laushi, tare da luster na ƙarfe. Taurin Mohs shine 1 ~ 2, takamaiman nauyi shine 2.2 ~ 2.3, kuma yawancin yawa shine gabaɗaya 1.5 ~ 1.8. Yana da tsayin daka na zafin jiki, juriya na iskar shaka, juriya na lalata, juriya na thermal shock, babban ƙarfi, ƙarfin ƙarfi mai kyau, ƙarfin lubricating mai ƙarfi, ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan yanayin zafi, ƙarancin wutar lantarki da sauran abubuwan musamman na zahiri da sinadarai. Yana da juriya na iskar shaka na musamman, lubricity da filastik a babban zafin jiki, da kyawawan kayan lantarki, thermal da adhesion. Ana iya amfani da shi azaman mai cikawa ko aikin IMPROver don roba, filastik da kayan haɗin abubuwa daban-daban don haɓaka juriya na lalacewa, juriya na matsawa ko sarrafa kayan. A bawul gasket, shiryawa da wurin zama yawanci sanya graphite.
Graphite na high narkewa batu, to 3000 ¡æ a karkashin injin ne don fara laushi o ƙarin tabbatar da narke jihar, graphite evaporated sublimation zuwa 3600 ¡æ, da janar abu a karkashin high zafin jiki ƙarfi ragewa hankali, yayin da graphite a cikin mai tsanani zuwa 2000. ¡æ, ƙarfinsa shine al'ada zafin jiki sau biyu a maimakon haka, amma bambancin juriya na iskar shaka na graphite hadawan abu da iskar shaka ya karu a hankali tare da zafin jiki.
A thermal watsin da lantarki watsin graphite ne quite high, da conductivity ne 4 sau sama da bakin karfe, 2 sau fiye da carbon karfe, 100 sau fiye da general wadanda ba karfe. Its thermal conductivity, ba kawai fiye da karfe, baƙin ƙarfe, gubar da sauran karfe kayan, amma kuma tare da zafin jiki qara thermal conductivity ragewa, wanda shi ne daban-daban daga general karfe kayan, a sosai high zafin jiki, graphite ko da yake ya kula da adiabatic jihar. Don haka, a ƙarƙashin yanayin zafi mai tsananin zafi, aikin rufin graphite yana da aminci sosai. Graphite yana da kyau lubricity da plasticity, graphite gogayya coefficient ne kasa da 0.1, graphite za a iya ci gaba a cikin permeable haske takardar, a farkon lokaci na graphite taurin yana da girma sosai, har ma da lu'u-lu'u kayan aikin da wuya a aiwatar. Graphite yana da kwanciyar hankali na sinadarai, juriya acid, juriya na alkali, juriya ga kaushi mai lalata. Saboda sama na musamman m Properties na graphite, a cikin zamani masana'antu amfani ƙara kyau kwarai.
Yanayin haɗi tsakanin mai kunna wutar lantarki da kowane bawul
Mai kunna wutar lantarki ya fi dacewa da bawul, wanda ake amfani da shi a cikin tsarin sarrafawa ta atomatik. Akwai nau'ikan masu kunna wutar lantarki da yawa, waɗanda suka bambanta ta yanayin aiki. Misali, mai kunna wutar lantarki na bugun jini na angular shine karfin juzu'i na angular, yayin da madaidaicin bugun wutar lantarki shine fitarwar fitarwa. Ya kamata a zaɓi nau'in mai kunna wutar lantarki a cikin aikace-aikacen tsarin bisa ga bukatun aikin bawul.
Hanyar haɗi
I. Haɗin Flange:
Wannan shine mafi yawan nau'in haɗin da ake amfani dashi a cikin bawuloli. Bisa ga siffar haɗin gwiwa, ana iya raba shi zuwa wadannan:
1. Nau'in laushi: ana amfani dashi don bawuloli tare da ƙananan matsa lamba. Ingantacciyar sarrafawa
2, nau'in concave da convex: babban matsin aiki, ana iya amfani dashi a cikin injin wanki
3. Tenon da tsagi irin: gasket tare da manyan nakasar filastik za a iya amfani dashi a cikin kafofin watsa labaru masu lalata, kuma tasirin rufewa ya fi kyau.
4, nau'in tsagi na trapezoidal: tare da zoben ƙarfe na ƙarfe a matsayin mai wanki, ana amfani da shi a cikin matsa lamba na 64 kg / cm2 bawul, ko bawul ɗin zafin jiki.
5, nau'in ruwan tabarau: mai wanki siffar ruwan tabarau ne, wanda aka yi da ƙarfe. Don MATSALAR MATSALAR MATSALAR MATSALAR MATSALAR AIKI NA 100kg/CM2, ko manyan bawul din zafin jiki.
6, O nau'in zobe: Wannan sabon nau'in haɗin haɗin flange ne, an haɓaka shi tare da bayyanar nau'in zobe na roba daban-daban, yana cikin tasirin hatimin hanyar haɗin gwiwa.
Biyu, haɗin zaren:
Wannan hanya ce mai sauƙi kuma ana amfani da ita tare da ƙananan bawuloli. Akwai ƙarin kararraki guda biyu:
1, rufewa kai tsaye: zaren ciki da na waje kai tsaye suna taka rawar rufewa. Domin tabbatar da cewa haɗin gwiwa ba ya zube, sau da yawa tare da man gubar, linoleum da PTFE albarkatun kasa; Ptfe albarkatun kasa bel, amfani da karuwar shahara; Wannan abu yana da juriya mai kyau na lalata, tasirin rufewa, sauƙin amfani da adanawa, rarrabawa, za'a iya cire shi gaba ɗaya, saboda fim ɗin da ba shi da kyau, ya fi girma ga man fetur, linoleum.
2. Rufewa kai tsaye: Ƙarfin screw tightening yana canjawa zuwa injin wanki tsakanin jiragen biyu, don haka mai wanki ya taka rawar rufewa.
Uku, haɗin hannun hannun kati:
Haɗin kai da ka'idar rufe hannun rigar ita ce lokacin da aka ƙara goro, hannun rigar yana ƙarƙashin matsin lamba, ta yadda gefensa ya ciji cikin bangon waje na bututu, kuma mazugi na hannun rigar yana kusa da mazugi na haɗin gwiwa. a karkashin matsin lamba, don haka yana iya dogaro da abin da zai hana yayyowa.
Fa'idodin wannan nau'i na haɗin gwiwa sune:
1, ƙananan ƙananan, nauyi mai sauƙi, tsari mai sauƙi, sauƙin rarrabawa;
2, haɗin gwiwa mai ƙarfi, amfani mai fa'ida, na iya jure babban matsa lamba (1000 kg / cm2), babban zafin jiki (650 ¡æ) da girgiza girgiza.
3, na iya zaɓar nau'ikan kayan aiki, dace da rigakafin lalata;
4, machining daidaito bukatun ba su da girma; Sauƙi don shigarwa a tsayi mai tsayi.
An yi amfani da fom ɗin haɗin hannun hannu a wasu ƙananan samfuran bawul ɗin diamita a China.
Hudu, haɗin manne:
Wannan hanya ce ta gaggawar haɗin gwiwa wacce take buƙatar BOOLTS GUDA BIYU KAWAI KUMA YA DACE DOMIN GUDA DOMIN CUTAR WUTA KANANAN MATSAYI.
Biyar, haɗin kai na ciki:
Sama da kowane nau'ikan nau'ikan haɗin gwiwa, shine amfani da ƙarfin waje don kashe matsa lamba na matsakaici, don cimma hatimi. Mai zuwa yana bayyana wani nau'i na haɗin kai ta amfani da matsakaicin matsa lamba. Ana shigar da zoben rufewa a cikin mazugi na ciki, tare da matsakaicin kishiyar gefe zuwa wani kusurwa, matsakaicin matsa lamba zuwa mazugi na ciki, sannan a tura shi zuwa zoben rufewa, a cikin wani kusurwa na saman mazugi, yana samar da abubuwa biyu, ɗaya daidai da ɗaya zuwa. layin tsakiya na jikin bawul a waje, sauran matsa lamba zuwa bangon ciki na jikin bawul. Bangaren na ƙarshe shine ƙarfin ɗaure kai. Mafi girma matsakaicin matsa lamba, mafi girma da ƙarfin ƙarfin kai. Don haka irin wannan haɗin kai ya dace da bawuloli masu ƙarfi. Yana adana abubuwa da yawa da aiki fiye da haɗin flanged, amma kuma yana buƙatar takamaiman adadin preload, don haka matsa lamba a cikin bawul ɗin ba shi da ƙarfi, ingantaccen amfani. Bawul ɗin da aka yi da ƙa'idar matsewar kai gabaɗaya babban bawul ɗin matsa lamba ne.
Akwai nau'i-nau'i da yawa na haɗin bawul, alal misali, wasu ba dole ba ne su cire ƙananan bawul, wanda aka haɗa tare da bututu; Wasu bawuloli marasa ƙarfe, ta amfani da haɗin soket, da sauransu. Ya kamata a kula da masu amfani da Valve bisa ga takamaiman yanayi.
Lokacin aikawa: Jul-29-2022
