A stopcockvharafu i [1] yakatwasuka-kuburikidza nevharuvhu inovhura nekuvhara nekukurumidza, uye zvakare inowanzoshandiswa kune midhiya ine yakaturikwa zvimedu nekuda kwekupukuta mhedzisiro yekufamba pakati pescrew chisimbiso chepamusoro uye dziviriro yakakwana pakubata nepakati inoyerera kana yakavhurwa zvizere. Chimwe chinhu chakakosha ndechekuti zviri nyore kuchinjika kune akawanda-channel zvivakwa, kuitira kuti vharafu imwe iwane maviri, matatu, kana kunyange mana akasiyana nzira dzekuyerera. Izvi zvinorerutsa dhizaini yepombi system, inoderedza huwandu hwemavharuvhu anoshandiswa, uye inoderedza kumwe kubatanidzwa kunodiwa mumidziyo.
Iyo inoshanda sei mavhavha nestopcockmiviri ine maburi senhengo dzekuvhura nekuvhara. Muviri weplug unotenderera ne [2] hunde kuwana kuvhura nekuvhara chiito. Iyo diki, isina kuvharwa, plug valve inozivikanwawo se "cocker". Iyo plug body yevharuvhu yeplug kazhinji ikoni (kune zvakare cylindrical body), iyo inofananidzwa neiyo conical orifice pamusoro pemuviri wevharuvhu kuita peya yekuvharisa. Iyo plug valve ndiyo yekutanga mhando yevharuvhu yakashandiswa, ine chimiro chakareruka, nekukurumidza kuvhura nekuvhara, uye kuderera kwemvura kuramba. Mavharuvhu akajairika anotsamira pakubata kwakananga pakati peyakapedzwa simbi plug muviri uye muviri wevharuvhu kuti uvhare, saka chisimbiso chakashata, kuvhura uye kuvhara simba rakakura, nyore kupfeka, uye kazhinji rinogona kushandiswa chete mukudzvinyirira kwakaderera (kwete kukwira kupfuura 1 megapascal) uye diki dhayamita (pasi pe100 mm) zviitiko.
Clasify
Zvinoenderana nechimiro chechimiro, inogona kukamurwa kuita mhando ina: yakasimba plug vharafu, yega-sealing plug valve, plug vharafu uye oiri-yakajairwa plug valve. Zvinoenderana neiyo chiteshi fomu, inogona kukamurwa kuita mhando nhatu: yakatwasuka-kuburikidza neplug vharafu, matatu-nzira yekumisa vharafu uye ina-nzira plug valve. Kune zvakare mavharuvhu e-tube plug.
Mavharuvhu epuragi akaiswa muboka nekushandiswa kunosanganisira: mavharuvhu akapfava seal plug, mafuta-lubricated hard seal plug mavharuvhu, poppet plug mavharuvhu, matatu-nzira uye mana-nzira plug mavharuvhu.
Zvakanakira
1. Ivhavha yevhavha inoshandiswa pakushanda nguva dzose, uye kuzarura nekuvhara kunokurumidza uye chiedza.
2. Kupokana kwemvura yevhavha yeplug idiki.
3. Iyo plug valve ine chimiro chakareruka, chiyero chidiki, uremu huremu uye nyore kugadzirisa.
4. Kuita kwakanaka kwekuisa chisimbiso.
5. Haisi kuganhurirwa negwara rekuisa, uye kuyerera kweiyo svikiro kunogona kuve kusingaite.
6. Hapana kudedera, ruzha rwakadzika.
Soft-seal gedhi mavharuvhu
Soft seal gedhi vharafu, vharafu yeindasitiri, yakapfava seal gedhi vharafu kuvhura uye kuvhara zvikamu makondohwe, kutungamira kwekufamba kwegondohwe kwakanangana negwaro remvura, gedhi regedhi rinogona kuvhurika zvakazara uye rakavharwa, harigone kugadziridzwa uye throttled. Gondohwe rine nzvimbo mbiri dzekuisa chisimbiso, iyo inowanzo shandiswa mode gedhi vharafu mbiri yekuvharisa inoumba wedge, wedge angle inosiyana nemaparamendi evharuvhu, dhayamita yezita iDN50 ~ DN1200, tembiricha yekushandisa: ≤200 ° C.
Product musimboti
Ndiro yegedhi rewejigedhi valvee inogona kuitwa yese, iyo inonzi gedhi rakaomarara; Iyo inogonawo kugadzirwa kuita gondohwe rinogona kuburitsa zvishoma zvishoma deformation kuti ivandudze manufacturability uye kugadzira kutsauka kweiyo chisimbiso chepamusoro angle mukugadzirisa, iyo inonzi elastic ram.
Soft sealgedhi mavharuvhuakakamurwa kuva marudzi maviri: tsvimbo yakazarukanyoro chisimbiso vharafu gedhiuye tsvimbo yakasviba chisimbiso chakapfavagedhi vharafu. Kazhinji pane trapezoidal shinda padanda rekusimudza, iro rinoshandura kutenderera kwekufamba kuita mutsara wekufamba kuburikidza nenati iri pakati pegondohwe uye gwara rinotungamira pamutumbi wevharuvhu, ndiko kuti, torque yekushandisa ichipinda mukusundira kwekushanda. Apo valve yakavhurwa, apo gondohwe rinosimudza urefu rakaenzana ne1: 1 nguva yevhavha yevhavha, kuyerera kwemvura kunenge kusina kuvharwa zvachose, asi nzvimbo iyi haigoni kuongororwa panguva yekushanda. Mukushandiswa chaiko, inotaridzwa ne vertex ye stem, ndiko kuti, chinzvimbo chisingagoni kuvhurwa, sechinzvimbo chayo chakazaruka. Kuti uzvidavirire kuvharika nekuda kwekushanduka kwekushisa, inowanzovhurwa kune apex chinzvimbo uye yozodzoserwa kumashure 1/2-1 kutendeuka senzvimbo yevharuvhu yakazaruka zvizere. Naizvozvo, nzvimbo yakazaruka yevharuvhu inotariswa nenzvimbo yegondohwe (kureva sitiroko). Rudzi urwu rwevharuvhu kazhinji runofanira kuisirwa horizontally mupombi.
General Zvinodiwa
1. Zvinotsanangurwa uye zvikamu zvenyoro chisimbiso mavharuvhu gedhiinofanira kusangana nezvinodiwa zvepipeline design zvinyorwa.
2. Muenzaniso wevhavha yakapfava yegedhi yegedhi inofanira kuratidza nhamba yenyika inodiwa nhamba maererano nayo. Kana iri chiyero chebhizinesi, tsananguro yakakodzera yemuenzaniso inofanira kuratidzwa.
3. Kumanikidzwa kushanda kwenyoro chisimbiso vharafu gedhiinoda kushandiswa kwekushanda kwe ≥ pipeline, pasina kukanganisa mutengo, kushandiswa kwekushanda kwevhavha kunogona kutakura kunofanira kunge kwakakura kudarika chaiyo yekushanda kwepombi yepombi, uye chero rutivi rwevhavha yakapfava yechisimbiso yegedhi inofanira kukwanisa kumira 1.1 nguva yekushanda kwekumanikidza kukosha kwevhavha pasina kubuda;
4. Chimiro chekugadzira chenyoro chisimbiso vharafu gedhiinofanirwa kuratidza nhamba yenyika yakavakirwa pairi, uye kana iri chiyero chebhizinesi, gwaro rebhizinesi rinofanira kusungirirwa pachibvumirano chekutenga.
Chechipiri, iyo yakapfava chisimbiso gedhi vharuvhu zvinhu
1. Zvinhu zvemuviri wevhavha zvinofanira kunge zvakakandwa simbi, simbi yakakandwa, simbi isina tsvina, 316L, uye giredhi uye chaiyo yemuviri uye kemikari yekuongorora data yesimbi yakakandwa inofanira kuratidzwa.
2. Hunde yehunde inofanira kuvavarira kuita simbi isina tsvina (2CR13), uye vharafu yakakura-dhayamita inofanirawo kuva simbi isina tsvina yakanamirwa hunde.
3. Iyo nati inogadzirwa neakakandirwa aluminium brass kana cast aruminiyamu bronze, uye kuoma uye kusimba kwakakura kupfuura iyo yevhavha stem.
4. Kuomarara uye kusimba kweiyo stem bushing material haifaniri kunge yakakura kudarika iyo yevhavhavha, uye hapafaniri kuva ne electrochemical corrosion nevhavha yevhavha uye muviri wevhavha pasi pemamiriro ekunyudzwa kwemvura.
5. Zvinhu zvechisimbiso chepamusoro
(1) Mhando dzechisimbiso chakapfavagedhi vharafus dzakasiyana, uye nzira dzekuisa chisimbiso uye zvinhu zvinodiwa zvakasiyana;
(2) Kune akajairwa wedge gedhi mavharuvhu, zvinhu, kugadzirisa nzira uye nzira yekukuya yemhete yendarira inofanira kutsanangurwa;
(3) Physicochemical uye yehutsanana yekuyedza data yeakapfava chisimbiso gedhi vharafu uye valve ndiro lining zvinhu;
6. Valve shaft kurongedza
(1) Nokuti chisimbiso chakapfavagedhi vharafumumambure epombi kazhinji haawanzo kuvhurika nekuvhara, kurongedza kunoda kusashanda kwemakore anoverengeka, uye kurongedza hakuna kuchembera, uye chisimbiso chinochengetwa kwenguva yakareba;
(2) Ivhavha inotakura inofanirawo kuva yechigarire kana iri pasi pekugara kuvhurika nekuvhara;
(3) Tichifunga nezvezvinodiwa pamusoro apa, kurongedza kwevharuvhu kunoedza kusatsiviwa kweupenyu hwose kana kupfuura makore gumi;
(4) Kana kurongedza kuchida kuchinjwa, kugadzirwa kwevhavha yepneumatic inofanira kufunga nezvezviyero zvinogona kutsiviwa pasi pemamiriro ekumanikidzwa kwemvura.
Chechitatu, kushandiswa kwekushanda kwechisimbiso chakapfavagedhi vharafu
3.1 Kuvhura nekuvhara nzira yevhavha yakapfava yegedhi panguva yekushanda inofanira kuvharwa newachi.
3.2 Nokuti iyo pneumatic valve mupombi network inowanzovhurwa nemaoko uye yakavharwa, nhamba yekuzarura nekuvhara mabhii haifaniri kunge yakawandisa, kureva kuti, guru-diameter valve inofanirawo kuva mukati me 200-600 revolutions.
3.3 Kuti zvive nyore kuvhura uye kuvhara kushanda kwemunhu mumwe chete, iyo yakawanda yekuvhura uye yekuvhara torque inofanira kunge iri 240N-m pasi pemamiriro ekumanikidzwa kwepombi.
3.4 Mugumo wekushanda wekuvhura nekuvhara wevhavha yakapfava yegedhi inofanirwa kunge iine sikweya tenon, uye saizi inofanira kuenzaniswa, uye yakatarisana nepasi, kuitira kuti vanhu vashande zvakananga kubva pasi. Mavharuvhu ane disc discs haana kukodzera kushandiswa mumambure epasi pevhu.
3.5 kuratidza pani yekuvhura uye kuvhara dhigirii rechisimbiso chakapfavagedhi vharafu
(1) Chiyero chechiyero chekuvhura nekuvhara dhigirii revhavha yegedhi rakapfava rinofanirwa kukandwa pachivharo chegiya regiya kana paganda redhisiki rekuratidzira mushure mekuchinja nzira, zvese zvakatarisa pasi, uye mucherechedzo unofanirwa kukweshwa nephosphors kuratidza kubata maziso;
(2) Izvo zvinhu zvechiratidzo disc tsono zvinogona kugadzirwa nesimbi isina tsvina pasi pemamiriro ekutonga kwakanaka, zvikasadaro iplate yesimbi yakapendwa, uye haifanirwe kugadzirwa neganda realuminium;
(3) Chiratidzo chedhisiki tsono inobata maziso, yakasimbiswa zvakasimba, kana kuzarura nekuvhara kugadzirisa kwakarurama, inofanira kuvharwa ne rivets.
3.6 Kana iyo yakapfava seal gedhi vharafu yakavigwa yakadzika, uye kureba pakati pechishandiso chekushanda uye chiratidziro chepaneru uye pasi chiri ≥1.5m, inofanira kunge yakashongedzerwa nenzvimbo yekuwedzera tsvimbo, uye inofanira kugadziriswa zvakasimba kuitira kuti vanhu vaone uye vashande kubva pasi. Izvi zvinoreva kuti, kuzarura nekuvhara kushanda kwevhavha mubhobho network haina kukodzera kushanda pasi pevhu.
Chechina, kuedzwa kwekuita kwechisimbiso chakapfavagedhi vharafu
4.1 Kana vharuvhu ichigadzirwa mumabheji echimwe chirevo, sangano rine chiremera rinofanirwa kupihwa kuti riyedze kuita kunotevera:
(1) Kuvhura uye kuvhara torque yevhavha pasi pemamiriro ekushanda nesimba;
(2) Pasi pemamiriro ekumanikidzwa kwekushanda, inogona kuve nechokwadi chekuenderera kwekuvhura uye kuvhara nguva dzevharafukuvhara zvakasimba;
(3) Kuonekwa kweyekuyerera kupikisa coefficient yevhavha pasi pemamiriro ekutakura mvura yepombi.
4.2 Thevharafuinofanira kuongororwa sezvinotevera isati yabuda mufekitari:
(1) Kana vharuvhu yakavhurwa, muviri wevhavha unofanirwa kumira mukati memuyedzo wemukati kaviri kukosha kwekushanda kwevhavha;
(2) Kana vharuvhu yakavharwa, mativi ose ari maviri anotakura 1.1 nguva yekushanda kwekumanikidza kukosha kwevhavha, uye hapana kupera, asi kukosha kwekudonha kwesimbi-yakavharwa butterfly valve haisi yakakura kudarika zvinodiwa.
Chechishanu, iyo yemukati uye yekunze anti-corrosion yevhavha yakapfava yegedhi
5.1 Mukati nekunze kwemuviri wevharuvhu (kusanganisira iyo inoshanduka yekumhanyisa bhokisi rekutumira), chekutanga kuputika kwepfuti, kubviswa kwejecha uye kubvisa ngura kunofanirwa kuitwa, uye poda isiri-chepfu epoxy resin inofanira kupfapfaidzwa nemagetsi, nehupamhi hunopfuura 0.3mm. Kana zvakaoma kupfapfaidza isiri-chepfu epoxy resin pamavharuvhu akawedzera, yakafanana isiri-chepfu epoxy pendi inofanirawo kubhuroshwa nekupfapfaidzwa.
5.2 Mukati memuviri wevharuvhu uye zvikamu zvese zveplate yevharuvhu zvinodiwa kuti zvive zvakakwana anti-corrosion, kune rumwe rutivi, haizoite ngura kana yakanyoroveswa mumvura, uye hapazove nemagetsi emagetsi pakati pesimbi mbiri; Chechipiri, nzvimbo yacho yakatsetseka, kuitira kuti kushorwa kwemvura kunoderedzwa.
5.3 Izvo zvinodiwa zvehutsanana zve epoxy resin kana pendi ye-anti-corrosion mumutumbi wevharuvhu ichave neshumo yebvunzo kubva kune inoenderana chiremera. Izvo zvemakemikari uye zvemuviri zvivakwa zvinofanirwawo kusangana nezvinodiwa.
Nguva yekutumira: Nov-09-2024
