Menene bawul ɗin bakin karfe malam buɗe ido?
Abstract: Wannan labarin a taƙaice yana gabatar da ƙa'idar aiki, nau'ikan, fa'idodi da rashin amfani, da kuma matsalolin gama gari na bawul ɗin bakin karfe na malam buɗe ido, da nufin taimakawa kowa da kowa ya fi koyo game da bawul ɗin bakin karfe na malam buɗe ido.
Bawul ɗin bakin karfe na malam buɗe ido (wanda kuma aka sani da bakin karfe bawul ɗin bawul) bawuloli ne waɗanda ke amfani da abubuwan da ke da sifar diski don amsawa a 90° don buɗewa, rufe, da daidaita tashoshin ruwa. Kamar yadda wani bangaren da ake amfani da su gane on-off da kwarara iko na bututu tsarin, bakin karfe bawuloli za a iya amfani da su sarrafa kwarara daga daban-daban na ruwa kamar iska, ruwa, tururi, daban-daban m kafofin watsa labarai, laka, mai kayayyakin, ruwa karafa, da rediyoaktif kafofin watsa labarai. Sun fi taka rawa wajen yankewa da bututun bututun mai. Bakin karfe bawul ɗin malam buɗe ido an yi amfani da su sosai a fannoni da yawa kamar man fetur, masana'antar sinadarai, ƙarfe, da wutar lantarki.
Ka'idar aiki na bakin karfe malam buɗe ido bawuloli
https://www.youtube.com/embed/mqoAITCiMcA?si=MsahZ3-CbMTts_i7
Bawul ɗin bakin karfe na malam buɗe ido, kuma aka sani da bakin karfe bawul ɗin bawul, ƙananan bakin karfe ne masu daidaita bawuloli waɗanda za a iya amfani da su don sarrafa kashe-kashen watsa labaran bututun mai rauni. An fi haɗa shi da jikin bawul, tushen bawul, farantin malam buɗe ido, da zoben rufewa. Jikin bawul ɗin silindi ne, tare da ɗan gajeren tsayin axial da farantin malam buɗe ido.
Ka'idar aiki na bakin karfe bawul ɗin malam buɗe ido shine don cimma manufar buɗewa da rufewa ko daidaitawa ta ɓangaren buɗewa da rufewa (farantin malam buɗe ido mai siffar diski) yana juyawa a kusa da nasa axis a cikin jikin bawul.
Fa'idodi da rashin Amfanin Bakin Karfe Butterfly Valve
Amfani
1. Ƙananan jujjuyawar aiki, dacewa da sauri budewa da rufewa, 90 ° juyawa juyi, ceton aiki, ƙananan juriya na ruwa, kuma ana iya aiki akai-akai.
2. Tsarin sauƙi, ƙananan wurin shigarwa da nauyin nauyi. Ɗaukar DN1000 a matsayin misali, nauyin bawul ɗin bakin karfe na malam buɗe ido yana kusan 2T a ƙarƙashin yanayi iri ɗaya, yayin da nauyin bawul ɗin ƙofar bakin karfe ya kai 3.5T.
3. Bawul ɗin malam buɗe ido yana da sauƙin haɗawa tare da na'urori daban-daban na tuƙi kuma yana da inganci mai kyau da aminci.
4. Bisa ga ƙarfin murfin rufewa, ana iya amfani da shi don kafofin watsa labaru tare da dakatar da ƙwayoyin da aka dakatar, da kuma foda da granular kafofin watsa labarai.
5. Ƙaƙwalwar bawul ɗin tsari ne ta hanyar tushe, wanda aka yi zafi kuma yana da kyawawan kayan aikin injiniya, juriya na lalata, da juriya na abrasion. Lokacin da aka buɗe bawul ɗin malam buɗe ido da rufewa, bawul ɗin bawul ɗin kawai yana juyawa maimakon ɗagawa da raguwa. Marufi na bututun bawul ba shi da sauƙin lalacewa kuma hatimin abin dogaro ne.
Rashin amfani
1. The aiki matsa lamba da kuma aiki zafin jiki kewayon ne kananan, da kuma general aiki zazzabi ne kasa 300 ℃ da kasa PN40.
2. Ayyukan rufewa ba shi da kyau, wanda ya fi muni fiye da na bakin karfe ball bawul da bakin karfe tasha bawuloli. Sabili da haka, ana amfani dashi a cikin ƙananan yanayi inda buƙatun rufewa ba su da yawa.
3. Matsakaicin daidaitawar kwarara ba babba bane. Lokacin da buɗewa ya kai 30%, kwararar ta shiga fiye da 95%;
Rarraba bakin karfe malam buɗe ido bawuloli
A. Rabewa ta hanyar tsari
(1) Bawul ɗin malam buɗe ido da aka rufe
(2) Single eccentric shãfe haske bawul
(3) Bawul ɗin malam buɗe ido biyu
(4) Sau uku eccentric hatimin stomp bawul
B. Rarrabewa ta hanyar rufe kayan saman
(1) Bawul ɗin bakin karfe mai laushi mai laushi, wanda ya kasu kashi biyu: kayan ƙarfe-marasa ƙarfe da kayan da ba na ƙarfe ba.
(2) Karfe mai wuya-hatimin bakin karfe malam buɗe ido
C. Rarrabewa ta hanyar rufewa
(1) Bawul ɗin bakin karfen malam buɗe ido mai ƙarfi
(2) Bakin karfe mai bakin karfe mai roba mai roba, matsin lamba yana haifar da elasticity na wurin zama ko farantin bawul lokacin da bawul ɗin ke rufe.
(3) Bakin karfe na malam buɗe ido na waje mai jujjuyawar waje, matsa lamba yana haifar da karfin juzu'i da aka yi amfani da shi zuwa mashin bawul.
(4) Bawul ɗin bakin karfe na bakin karfe mai matsewa, matsin lamba yana haifar da matsi na roba mai ɗaukar nauyi akan kujerar bawul ko farantin bawul.
(5) Bawul ɗin bakin karfe mai rufe bakin karfe ta atomatik, matsin lamba yana haifar da matsa lamba ta atomatik.
D. Rarraba ta hanyar matsin aiki
(1) Bawul bakin karfe malam buɗe ido. Bawul ɗin bakin karfe malam buɗe ido tare da matsa lamba ƙasa fiye da daidaitaccen yanayin reactor
(2) Bawul ɗin bakin karfe mara ƙarfi mara ƙarfi. Bakin karfe bawul ɗin malam buɗe ido tare da matsa lamba PN＜1.6 MPa
(3) Matsakaicin matsa lamba bakin karfe malam buɗe ido bawul. Bakin karfe bawul ɗin malam buɗe ido tare da matsa lamba PN na 2.5--6.4MPa
(4) Babban matsa lamba bakin karfe malam buɗe ido bawul. Bakin karfe malam buɗe ido tare da matsa lamba PN na 10.0--80.0MPa
(5) matsa lamba bakin karfe malam buɗe ido bawul. Bakin karfe bawul ɗin malam buɗe ido tare da matsa lamba PN：100MPa
E. Rarraba ta wurin zafin aiki
(1) Babban zafin jiki bakin karfe malam buɗe ido, kewayon zafin aiki: t：450 C
(2) Matsakaicin zafin jiki bakin karfe malam buɗe ido, kewayon zafin aiki: 120 C＜t＜450 C
(3) Bawul ɗin bakin karfe na al'ada zazzabi. Yanayin zafin aiki: -40C＜t＜120 C
(4) Low zazzabi bakin karfe malam buɗe ido bawul. Yanayin zafin aiki: -100＜t＜-40 C
(5) Bawul ɗin bakin karfe mara ƙarancin zafin jiki. Yanayin zafin aiki: t＜-100 C
F. Rarraba ta tsari
(1) Diyya farantin bakin karfe malam buɗe ido bawul
(2) A tsaye farantin bakin karfe malam buɗe ido bawul
(3) Bawul ɗin bakin karfe mai karkata farantin karfe
(4) Lever bakin karfe malam buɗe ido bawul
G. Rarraba ta hanyar haɗi(latsa don ƙarin bayani)
(1) Wafer irin bakin karfe malam buɗe ido bawul
(2) Flange bakin karfe malam buɗe ido bawul
(3) Lug irin bakin karfe malam buɗe ido bawul
(4) Weld bakin karfe malam buɗe ido bawul
H. Rarraba ta hanyar watsawa
(1) Manual bakin karfe malam buɗe ido bawul
(2) Gear drive bakin karfe malam buɗe ido bawul
(3) Bawul bakin karfe na bakin karfe na bakin karfe
(4) Na'ura mai aiki da karfin ruwa bakin karfe malam buɗe ido bawul
(5) Electric bakin karfe malam buɗe ido bawul
(6) Electro-hydraulic linkage bakin karfe malam buɗe ido bawul
I. Rarrabewa ta hanyar matsin aiki
(1) Bawul bakin karfe malam buɗe ido. Matsin aiki yayi ƙasa da madaidaicin matsi na yanayi
(2) Low matsa lamba bakin karfe malam buɗe ido bawul. Matsin lamba PN
(3) Matsakaicin matsa lamba bakin karfe malam buɗe ido bawul. Matsin lamba PN shine 2.5-6.4MPa
(4) Babban matsi bakin karfe malam buɗe ido bawul. Matsin lamba PN shine 10-80MPa
(5) Bawul ɗin bakin ƙarfe mara ƙarfi mai ƙarfi. Matsin lamba PN> 100MPa
Gaba gaba na bakin karfe malam buɗe ido bawul
Bakin karfe bawul ɗin malam buɗe ido ana amfani da su sosai. Bambance-bambancen da yawan amfani da shi yana ci gaba da haɓakawa, kuma yana haɓaka zuwa babban zafin jiki, matsa lamba mai girma, babban diamita, babban hatimi, tsawon rayuwa, kyawawan halayen daidaitawa, da bawul ɗaya tare da ayyuka masu yawa. Amincewarsa da sauran alamun aiki sun kai matsayi mai girma. Tare da aikace-aikacen roba mai jure lalata sinadarai a cikin bawul ɗin malam buɗe ido, an inganta aikin bawuloli na bakin karfe na malam buɗe ido. Domin roba roba yana da halaye na lalata juriya, yashwa juriya, girma da kwanciyar hankali, mai kyau juriya, sauki forming, low cost, da dai sauransu, da roba roba tare da daban-daban yi za a iya zaba bisa ga daban-daban amfani da bukatun don saduwa da yanayin amfani da malam buɗe ido bawuloli. . Tun da polytetrafluoroethylene (PTFE) yana da ƙarfin lalata juriya, aikin barga, ba sauƙin shekaru ba, ƙarancin juzu'i mai sauƙi, mai sauƙin samarwa, girman barga, kuma ana iya cikawa da ƙara da kayan da suka dace don haɓaka ingantaccen aikin sa, bakin karfe malam buɗe ido bawul sealing. Za'a iya samun kayan aiki tare da mafi kyawun ƙarfi da ƙananan juzu'in ƙira, shawo kan iyakokin roba na roba. Sabili da haka, manyan kayan polymer kwayoyin da ke wakilta ta polytetrafluoroethylene da cikawa da gyare-gyaren kayan an yi amfani da su sosai a cikin bawul ɗin bakin karfe na malam buɗe ido, ta haka ne ke ƙara haɓaka aikin bawul ɗin bakin ƙarfe na bakin karfe da kera bawul ɗin bakin karfe na malam buɗe ido tare da fiɗaɗɗen zafin jiki da matsakaicin matsa lamba, abin dogara. aiki da tsawon rayuwar sabis.
Tare da aikace-aikace na high zafin jiki resistant, low zafin jiki resistant, karfi lalata resistant, karfi yashwa resistant da high ƙarfi gami da kayan a bakin karfe malam buɗe ido bawuloli, karfe shãfe haske bakin karfe malam buɗe ido bawuloli da aka yadu amfani a high da low zazzabi, karfi yashwa, dogon. rayuwa da sauran masana'antu filayen, da kuma manyan diamita (9 ~ 750mm), high matsa lamba (42.0MPa) da kuma fadi da zafin jiki kewayon (-196 ~ 606 ℃) bakin karfe malam buɗe ido bawuloli sun bayyana, kawo da fasaha na bakin karfe malam buɗe ido bawuloli zuwa wani sabon. matakin.
Laifin bakin karfe gama gari
The roba elastomer a cikin malam buɗe ido bawul zai tsage, lalacewa, shekaru, perforate ko ma faduwa a lokacin ci gaba da amfani. Tsarin vulcanization mai zafi na gargajiya yana da wahala don daidaitawa da buƙatun gyaran wurin. Dole ne a yi amfani da kayan aiki na musamman don gyarawa, wanda ke cinye zafi da wutar lantarki mai yawa, kuma yana ɗaukar lokaci da aiki. A yau, ana amfani da kayan haɗin gwiwar polymer sannu a hankali don maye gurbin hanyoyin gargajiya, waɗanda aka fi amfani da su shine tsarin fasahar Fushilan. Maɗaukakin maɗaukaki da kyakkyawan juriya da tsagewar samfuransa suna tabbatar da cewa an cimma rayuwar sabis na sabbin sassa ko ma wuce bayan gyarawa, yana rage raguwa sosai.
Mabuɗin mahimmanci don zaɓi da shigarwa na bawul ɗin bakin karfe na malam buɗe ido
1. Matsayin shigarwa, tsawo, da mashigin shiga da hanyoyin fita na bawul ɗin bakin karfe na bakin karfe dole ne ya dace da buƙatun ƙira, kuma haɗin ya kamata ya kasance mai ƙarfi da ƙarfi.
2. Don kowane nau'in bawul ɗin hannu da aka sanya akan bututun da aka keɓe, dole ne kada hannayen su kasance suna fuskantar ƙasa.
3. Dole ne a duba bayyanar da bawul ɗin kafin shigarwa, kuma sunan bawul ɗin ya kamata ya bi ka'idodin ƙa'idodin ƙasa na yanzu "General Valve Marking" GB 12220. Don bawuloli tare da matsa lamba mai aiki fiye da 1.0 MPa da bawuloli waɗanda yanke babban bututu, ƙarfin da tsauraran gwaje-gwaje ya kamata a yi kafin shigarwa, kuma za'a iya amfani da su kawai bayan wucewa gwajin. A lokacin gwajin ƙarfin, gwajin gwajin shine sau 1.5 na matsi na ƙima, kuma tsawon lokacin bai wuce mintuna 5 ba. Gidajen bawul da marufi yakamata su kasance marasa ɗigo don cancanta. A lokacin gwajin matsi, gwajin gwajin shine sau 1.1 na matsa lamba na ƙima; Matsakaicin gwajin yayin lokacin gwajin yakamata ya dace da buƙatun GB 50243 daidaitaccen, kuma filin rufewar diski ɗin bawul ɗin ya kamata ya zama mai ɗorewa don cancanta.
4. Bawul ɗin malam buɗe ido sun dace da ƙa'idodin kwarara. Tun da asarar matsin lamba na bawul ɗin malam buɗe ido a cikin bututun yana da girma sosai, kusan sau uku na bawul ɗin ƙofar, lokacin zabar bawul ɗin malam buɗe ido, ya kamata a yi la'akari da tasirin asarar matsin lamba akan tsarin bututun, da ƙarfin farantin malam buɗe ido don jurewa. Hakanan ya kamata a yi la'akari da matsa lamba matsakaicin bututun lokacin rufewa. Bugu da ƙari, iyakar zafin aiki na kayan wurin zama na bawul a babban zafin jiki dole ne kuma a yi la'akari da shi.
Kammalawa
Gabaɗaya, bawul ɗin bakin karfe flange malam buɗe ido samfurin bawul ne tare da ingantaccen aiki da aikace-aikace mai faɗi, wanda ya dace da sarrafa ruwa a cikin filayen masana'antu daban-daban. Lokacin zabar da amfani da shi, halayensa da buƙatun aikace-aikacen yakamata a yi la'akari da su sosai, kuma yakamata a zaɓi ƙayyadaddun bayanai da samfuran da suka dace don tabbatar da kwanciyar hankali da amincin aikin kayan aiki.
