Kuisa tekinoroji: bhaira pombi vharafu yekuisa pombi vharafu yekumisikidza inofanirwa kuterera kune matatu anotevera mapoinzi

Kuisa tekinoroji: boiler pombi vharafu yekuisa pombi yekuisa pombi yekuisa kunofanirwa kutarisisa kune anotevera mapoinzi matatu (1) Usati waisa marudzi ese emavharuvhu, tarisa zvinotevera: kana zvinhu zvekurongedza zvinosangana nezvinodiwa zvekugadzira uye kana nzira yekurongedza yakarurama. Dzinde revharuvhu pakurongedzerwa chisimbiso rakasvibiswa. Kunyangwe switch yacho inoshanduka uye chiratidzo chiri chokwadi. 1. Chengetedza valve isati yaiswa Mushure mokunge valve yakasarudzwa zvakanaka, inofanira kuiswa zvakanaka kuitira kuti iwedzere kushanda kwayo. Asi valve inofanira kuiswa pamberi pekuongorora uye kuongorora. (1) Tarisa zvinotevera usati waiswa marudzi ese emavharuvhu: Kana iyo yekuzadza zvinhu inosangana nezvinodiwa nedhizaini, uye kuti nzira yekuzadza ndeyechokwadi. Dzinde revharuvhu pakurongedzerwa chisimbiso rakasvibiswa. Kunyangwe switch yacho inoshanduka uye chiratidzo chiri chokwadi. Kuonekwa kwevharuvhu yekukanda pasina kukanganisa kuri pachena kwekugadzira. (2) Kusimba kunofanirwa kutariswa kusati kwaiswa Sechikamu chakavharwa chevhavha (ichiita sechinhu chekuzviparadzanisa), chinofanira kuiswa pamberi peiyo tightness test, kutarisa chigaro uye core yevhavha, chivharo uye kurongedza kamuri yekubatanidzwa. tightness. Muedzo wekusimba wevhavha ichaitwa pa1.25 nguva yekumanikidza kwezita rezita. Kune gonhi rekuchengetedza kana kudzvinyirirwa kwezita kushoma kana kuenzana ne0.6Mpa uye dhayamita yezita rakakura kupfuura kana kuenzana ne800mm yevharuvhu, kudhinda kwemavara kunogona kushandiswa kutarisa kusimba kwevhavha yepakati yekuisa chisimbiso. Kune dhayamita hombe welded mavharuvhu ane dhayamita yezita rakakura kupfuura kana kuenzana ne600mm, oiri kana mvura inoyerera inogona kushandiswa pachinzvimbo chekumanikidza kwemvura bvunzo. Pamberi pekuvhara kwevhavha bvunzo, zvinorambidzwa zvachose kuve negirisi uye mamwe mabhanhire pachisungo chekubatanidza. Valve tightness hydraulic test inofanira kuenderana nemitemo yemugadziri, muedzo wevhavha yepasi rose, mvura inofanira kuunzwa kubva kumusoro kwevhavha disc; Pakuedzwa kwevhavha yegedhi, valve inofanira kuvharwa uye nzvimbo yekuvhara inofanira kuongororwa. Mushure mokunge muedzo wakaoma wevhavha unokodzera, valve inofanira kuvharwa uye nzvimbo yekuvhara inofanira kuongororwa. (3) Spot cheki inofanira kuitwa isati yaiswa Ivhavha yepasi-yakadzika ichaongororwa kuti iongororwe muedzo wekusimba isingasviki 10% (inenge imwe) mubatch imwe neimwe (mugadziri mumwe chete, maitiro akafanana, muenzaniso wakafanana). Kana iyo isina kukodzera, ichaongororwa imwe neimwe kana ichiri kusakodzera mushure mekuongororwa zvisina tsarukano ne20%. Mavharuvhu emapaipi ekumanikidza anofanirwa kuongororwa kuti akasimba here rimwe nerimwe. (4) Disassembly wongororo yevharuvhu isati yaiswa Mavharuvhu anotevera anofanira kupatsanurwa uye kuongororwa asati aiswa: a. Mavharuvhu akagadzirirwa tembiricha yakakura kupfuura kana yakaenzana ne450 ℃. b. Kuchengetedza uye throttle valves. c. Mavharuvhu ane bvunzo yekusimba isina kukodzera. Pamberi pevhavha disassembly, tsvina yakasviba inofanira kucheneswa, kana zvisina kudaro, kuzarura nekuvhara kushanda uye disassembly haifaniri kuitwa. Kana vharuvhu yechimiro chakasarudzika ichibviswa uye ichiongororwa, iyo disassembly inofanirwa kuitwa zvinoenderana neiyo disassembly sequence inotsanangurwa nemugadziri kudzivirira kukanganisa kwezvikamu kana kukanganisa kuchengetedzwa kwemunhu. Macheki anotevera anofanira kuitwa pavharuvhu yakaparara: a. Izvo zvikamu zvemukati zvealloy simbi mavharuvhu zvichaongororwa ne spectra (hapana mamaki achaitwa pazvikamu, asi mhedzisiro yekuongorora ichanyorwa). b. Ingave chigaro chevharuvhu chakanyatsobatanidzwa nevhavha shell, uye kana pane kusunungura chiitiko. c. Ingave iyo yakabatana pamusoro pepakati yevhavha uye chigaro chevharuvhu inopindirana, uye kana iyo yakabatana nzvimbo yakaremara. d. Ingave tsinde yakanyatsobatanidzwa kune spool. e. Kana dzinde revharuvhu rakakotama, kuita ngura, kana dzinde revharuvhu uye tekisheni inotakura zvinokwana pamwe chete zvakanaka, uye kuti shinda yevharuvhu yatyoka here kana kuti kwete. f. Joint of flange face yevhavhavhavhavhavha. g. Tarisa kuvhura nekuvhara sitiroko uye nzvimbo yekugumira yevhavhavhavha, woimaka nepaunokwanisa. (5) Ivhavha ichasangana nezvinodiwa zvehutano hunotevera mushure mekuparara kwekuongorora uye kubviswa kwehurema Zvinhu zvezvikamu zvesimbi zvinosangana nezvinodiwa zvekugadzira. Unganidza nemazvo, famba uchichinjika, uye chiratidzo chekuvhura chinoratidza nemazvo. Izvo zvinotsanangurwa uye mhando ye gasket uye kurongedza zvinosangana nezvinodiwa zvehunyanzvi. Zadza zvinhu zvekurongedza nemazvo uye cheka mainterfaces mumakomba ane diagonal. Iyo yekupindirana pane imwe neimwe layer inofanira kudzikamiswa. Kurongedza kunofanirwa kudzvanywa kuti kuve nechokwadi kusimba, uye usatadzise kuvhurika nekuvhara. (6) Mavharuvhu eoiri system. Mavharuvhu anoshandiswa muoiri masisitimu anofanirwa kucheneswa mukuyerera kwawo kuburikidza nezvikamu, jecha nependi zvinofanirwa kubviswa, uye mafuta anodzivirira pani midzi uye gaskets zvinofanirwa kutsiviwa. (7) Valve reassembly kuongorora uye kuongorora Kana vheji yegedhi nevhavha yeglobhu inobatanidzwa zvakare mushure mokunge yaparadzaniswa uye inokodzera, diski inofanira kunge iri panzvimbo yakazaruka pamberi pevhavha yevhavha yevhavha inogona kusimbiswa. Ivhavha ichaedzwa kuti iome sei mushure mekuputika uye kugadzirisa zvakare. Iyo yekushandisa mashandiro uye dhizaini yekufambisa yevhavha inofanirwa kuongororwa uye kugadziridzwa zvinoenderana nezvinodiwa zvekugadzira kuti uwane kuchinjika chiito uye kururamisa mirairo. (8) Ese marudzi emavharuvhu, kana mugadziri achinge avimbisa kunaka kwechigadzirwa uye achipa mhando yechigadzirwa uye vimbiso yekushandisa, usaite kuparara uye kusimba kwekuongorora, zvikasadaro inofanirwa kuongororwa nekuyedzwa. Vaviri, nzira yekuisa valve Unhu hwekuisa valve hunobata zvakananga kushandiswa, saka kunyatsotarisisa kunofanira kubhadharwa kwairi. (1) Direction uye chinzvimbo. Mavharuvhu mazhinji ane directivity, senge globe valve, throttle valve, pressure reduction valve, check valve, etc., kana inverted installation reverse, inokanganisa kushandiswa kwehupenyu uye hupenyu (zvakadai se throttle valve), kana kusashanda zvachose ( zvakadai sevhavha inoderedza kudzvinyirira), uye kunyange kukonzera njodzi (yakadai sevhavhavhavha). Mavharuvhu akazara ane mavara ekutungamira pamutumbi wevharuvhu; Kana zvisina kudaro, inofanira kunyatsozivikanwa maererano nemutemo wekushanda wevhavha. Imba yevhavha yevhavha yeglobe haina symmetrical, iyo mvura inofanira kuirega kubva pasi kusvika pachiteshi chevhavha, kuitira kuti kupikisa kwemvura kuve kuduku (kunotemwa nechimiro), vhura simba rekuchengetedza (nekuda kwepakati pekumanikidza kumusoro) , yakavharwa mushure mekunge iyo yepakati haina kumanikidza kurongedza, nyore kugadzirisa, iyi ivharuvhu yepasi haigone kuiswa reverse chokwadi. Mamwe mavharuvhu anewo maitiro awo. Valve yekuisa chinzvimbo Valve yekuisa chinzvimbo, inofanira kunge iri nyore kushanda; Kuiswa panguva yakakodzera kwakaoma kwenguva, asiwo nekuda kwebasa renguva refu remuiti. Valve handwheel handwheel iri nani nechipfuva (kazhinji 1.2m kubva pauriri hwekushanda), saka. Zviri nyore kuvhura uye kuvhara valve. Kumhara vharafu handwheel inofanira kunge iri kumusoro, usarerekera, kuitira kuti udzivise kushanda kusina kunaka. Kukatarisana nemadziro uye kunopesana nevhavha yemidziyo, panofanirawo kuva nenzvimbo yekuti mushandisi amire. Kuti udzivise kushanda kwedenga, kunyanya acid uye base, toxic media, zvikasadaro haina kuchengetedzeka. A. Gedhi vharafu haifanirwe kutenderedzwa (kureva, handwheel pasi), zvikasadaro svikiro ichachengetwa munzvimbo yevhavhavhavha yevhavha kwenguva yakareba, zviri nyore kuita ngura hunde, uye kune mamwe maitiro zvinodiwa taboo, panguva imwe chete iyo. zvakanyanya kunetsa kutsiva kurongedza. b. Vhura stem gedhi vharafu, usaise pasi pevhu, zvikasadaro nekuda kwekunyorova kwekuora kwakafumurwa hunde. c. Simudza cheki vharafu, paunenge uchiisa kuti uve nechokwadi chekuti disc yakamira, kuitira kuti inoshanduka inosimudza. d. Swing cheki vharafu, kana yakaiswa kuti ive nechokwadi kuti pini sandara, kuitira kuti flexible swing. e. Ivhavha yekudzikisa pressure ichaiswa yakatwasuka pane horizontal pombi, uye haizorerekera kune chero nzira. (2) Kuisa maitiro Kutarisira kunofanira kutorwa panguva yekuisa uye kuvaka kudzivirira kurova mavharuvhu akagadzirwa nebrittle zvinhu. Usati waiswa, vharuvhu inofanira kuongororwa, tarisa zvakatemwa, ziva kana pane kukuvadzwa, kunyanya kune tsinde yevhavha, asi zvakare tenderera kashoma kuti uone kana yakatsveyamiswa, nekuti mukufambisa, zviri nyore kubhuroka. hunde yevharuvhu yakakombama, asiwo marara ari muvharuvhu. Paunenge uchisimudza valve, tambo haifaniri kusungirirwa kune handwheel kana tsinde kuti irege kukuvadza kune zvikamu izvi, inofanira kusungirirwa kune flange. Kune vharafu yakabatana nepombi, iva nechokwadi chekuchenesa, inogona kudzvinyirirwa mweya kuti ufuridze masara e iron oxide, jecha, welding slag uye humwe marara. Izvi zvakasiyana-siyana hazvisi nyore chete kukwenya chisimbiso chepamusoro chevhavha, pakati pezvimedu zvakakura zve sundries (zvakadai sewelding slag) zvinogonawo kuvhara valve duku uye kuita kuti itadze. Paunenge uchiisa screw valve, yekuisa chisimbiso kurongedza (shinda uye lead oiri kana polytetrafluoroethylene raw material bhandi) inofanira kuputirwa papombi shinda, usapinda muvharuvhu, kuitira kuti isavhare ndangariro vhoriyamu, inokanganisa kuyerera kwe media. Paunenge uchiisa mavharuvhu eflange, chenjerera kusimbisa mabhaudhi akaenzana uye akaenzana. Valve flange uye pombi flange inofanira kunge yakaenzana, inonzwisisika clearance, kuitira kuti udzivise kudzvinyirira kwakanyanya, kana kuputika kwevharuvhu, nekuti brittle zvinhu uye simba harina kukwirira, kunyanya teerera kune vharafu. Mavharuvhu anoda kusungirirwa nemapombi anofanirwa kuve akaiswa mavara ekutanga, ipapo zvikamu zvekuvhara zvinofanira kuvhurwa zvizere, uye zvino welded akafa. (3) Mavharuvhu ekudzivirira mavharuvhu Mamwe mavharuvhu anodawo kuchengetedzwa kwekunze, ndiko kuti, kuvhara uye kutonhora. Heating steam mitsetse dzimwe nguva inowedzerwa kune insulation layer. Kunyangwe iyo valve inoda kuiswa insulated kana kuchengetwa ichitonhora inofanirwa kutariswa zvinoenderana nezvinodiwa zvekugadzira. Nheyo yekudzivirira: uko iyo yepakati muvharuvhu inoderedza tembiricha yakawandisa, ichakanganisa kugadzirwa kwekugadzira kana kuomesa valve, inoda kuchengetedza kupisa kana kunyangwe nekupisa; Iko iyo valve inoratidzirwa, yakashata pakugadzirwa kana kukonzera chando uye zvimwe zvakashata zviitiko, zvinodikanwa kuchengetedza kutonhora. Nekuchengetedza kwega uye kugona kwekugadzira, kana tembiricha yevharuvhu yegiya remagetsi ichipfuura 50 ℃, inofanirwa kunge yakashongedzerwa nemafuta ekudzivirira ekudzivirira. Kana mvura isingashandiswi kwenguva yakareba, valve yemhepo inofanira kuburitsa mvura. (4) Bypass uye chiridzwa Mamwe mavharuvhu mukuwedzera kune anodiwa ekudzivirira zvivakwa, asi zvakare ane bypass uye chiridzwa, bypass kumisikidza kufambisa musungo kugadzirisa. Mamwe mavharuvhu, anewo kuiswa kwebypass. Kana kuisa bypass zvinoenderana nemamiriro evharuvhu, kukosha uye zvinodiwa zvekugadzira. (5) Kutsiviwa kwekurongedza Zvikonzero zvekurongedza kutsiva a. Inventory mavharuvhu, vamwe kurongedza hazvina kunaka, vamwe nekushandisa midhiya hazvienderani, zvinoda kutsiva kurongedza. b. Mugadziri wevhavha haigone kufunga nezve kushandiswa kwepakati inoshandiswa neyuniti, bhokisi rekutakura rinogara rakazadzwa nemidzi yakajairika, asi kana yashandiswa, kurongedza kunofanirwa kuchinjirwa kune yepakati. Kurongedza kutsiva maitiro a. Paunenge uchitsiva iyo filler, dzvanya mukati kutenderera nekutenderera. b. Izvo zvakakodzera kuti imwe neimwe seam yeraundi ive 45 °, uye denderedzwa seam inofanira kudzika 180 °. c. Kureba kwekutakura kunofanirwa kufunga nezvekamuri yekuenderera mberi nekudzvanya gland. Parizvino, kudzika kwekamuri yekurongedza pasi pegland kunofanirwa kuve kwakakodzera, iyo inogona kuva 10% ~ 20% yehupamhi hwese hwekamuri yekurongedza. d. Kune mavharuvhu anodiwa zvakanyanya, iyo yejoini Angle i30 °. Majoini pakati pezvindori akazununguka ne120 °. E. kugadzirisa zviri pamusoro apa kurongedza, inogonawo maererano nemamiriro chaiwo, SHANDISA rabha o-ring (rabha remasikirwo rinopesana nenheyo isina simba pasi pe 60 ℃, nitrile butadiene rubber oil inopikisa pasi pe80 ℃, fluorine rabha kuramba kune zvakasiyana-siyana zvinopisa. pasi pe150 ℃) matatu lap ptfe mhete (pazasi 200 ℃) yakasimba corrosive medium resistance naironi mbiya mhete (ammonia pasi pe120 ℃, alkali resistant) ichigadzira filler. A layer ye polytetrafluoroethylene (PTFE) raw material tepi inoputirwa neyakajairwa asbestos disc, iyo inogona kuvandudza yekuisa chisimbiso uye kuderedza electrochemical corrosion yevharuvhu hunde. f. Paunenge uchidzvanya kurongedza, tenderedza hunde yevharuvhu panguva imwe chete kuti uchengetedze yunifomu yedenderedzwa uye kudzivirira kufa zvakanyanya. Simbisa gland pamwe nesimba uye usarerekera. Kuiswa kwevhavha yepombi kunofanirwa kutarisisa kune matatu anotevera Kuiswa kwevhavha yepombi kunofanirwa kutarisisa kune matatu anotevera mapoinzi Kutanga, isu tinofanira kutarisisa kutarisa tisati taiswa 1. Nyatsotarisa kana iyo yevhavha yemuenzaniso uye tsanangudzo inosangana nezvinodiwa zvekudhirowa. 2. Tarisa kuti dzinde nedhisiki zvakavhurwa zviri nyore, uye kuti zvakanamira here kana kuti zvakamonyoroka. 3. Tarisa kuti valve yakakuvadzwa here uye kana tambo yevharuvhu yakarurama uye yakasimba. 4. Tarisa kana kusanganiswa kwechigaro uye muviri wevhavha yakasimba, disc uye chigaro, chivharo uye muviri wevhavha, stem uye disc connection. 5. Tarisa kana valve padding, kutakura uye fasteners (bolts) yakakodzera kune zvinodiwa zvechimiro chekushanda kwekushanda. 6. Ivhavha yekare kana yakareba yakashandiswa kuderedza kuderedza kunofanira kubviswa, guruva, jecha uye mamwe marara anofanira kucheneswa nemvura. 7. Kuburikidza nechivharo, chengetedza dhigirii yekuisa chisimbiso, valve disc inofanira kuvharwa zvakasimba. 4. The screw thread inofanira kuvimbiswa intact uye yakaputirwa nehemp, lead oil kana polytetrafluoroethylene tepi pashinda. Paunenge uchitsvaira, wrench inofanira kunamatira mukati memuviri wevharuvhu wehexagonal kune imwe mugumo wepombi. 5. Paunenge uchiisa flange valve, teerera kuti usimbise bhaudhi yekubatanidza pamwe neiyo diagonal direction, uye simba rinofanira kuva yunifomu kana screwing kudzivirira gasket kubva kutsauka kana kukonzera deformation uye kukuvadza muviri valve. 6. Ivhavha inofanira kuchengetwa yakavharwa panguva yekuiswa. Kune mavharuvhu akaiswa padyo nemadziro, kuiswa kunowanzo kuda kubvisa hunde, disc uye ruoko vhiri, kutendeuka. Disassembly inofanira kuitwa mushure mekumonyanisa vhiri remaoko kuti vharafu rirambe rakavhurika.