Kutsanangurwa kweReducer Pipe Fitting: Mhando, Mashandisirwo, uye Maitiro Ekusarudza Saizi Yakakodzera

Nhanganyaya

Zvishandiso zvemapaipi ekuderedza simba hazvingobatanidzi mapaipi ane dhayamita dzakasiyana chete—zvinokanganisa kumhanya kwekuyerera kwemvura, kurasikirwa nekumanikidzwa, kutenderera, uye kuvimbika kwehurongwa kwenguva refu. Chinyorwa chino chinotsanangura mhando huru dzezvidzikisi, uko imwe neimwe inowanzo shandiswa, uye kuti kusarudzwa kwehukuru kunokanganisa sei mashandiro emitsara yemvura negesi. Iwe uchadzidzawo zvinhu zvinoshanda zvinotungamira kutsanangurwa, kusanganisira purogiramu yemapaipi, kubatana kwekupedzisira, kurongeka kwekuisa, uye mamiriro ekushanda. Pakupedzisira, unenge wava nehurongwa hwakajeka hwekusarudza chinodzikisira simba chinokodzera marongerwo emapaipi, chinotsigira kuyerera kwakanaka, uye chinodzivirira zvikanganiso zvinowanzo itika zvinogona kutungamira mukuzunguzika, kuputsika kwemhepo, kana kudzikira kwekumanikidzwa kusingakoshi.

Sei zvakakodzera kugadzira pombi yekuderedza mvura

Kuisa pombi yekuderedza simba kunoshanda sechinhu chakakosha chekuchinja mukatimasisitimu emapaipi eindasitiri, zvichiita kuti pave nekuchinja kwedhayamita yepombi ukuwo ichichengetedza kugadzikana kwemvura uye chimiro chayo. Kunze kwekungobatanidza mapaipi maviri asina kuenzana, mafitting aya anotungamira kushanda zvakanaka kwemvura uye kuvimbika kwemuchina wetiweki yese yekutakura mvura.

Kusarudza magadzirirwo chaiwo uye zvirevo hazvisi zvejometri chete. Kuiswa kwakasarudzwa kunoshandura chimiro che hydraulic che system, zvichiita kuti mainjiniya afunge nezve fluid velocity, internal pressure dynamics, uye mechanical stress distribution kuti ive nechokwadi chekuti mashandiro akasimba kwenguva refu.

Mhedzisiro pamaitiro ekuyerera kwemvura

Kuchinja nzvimbo yepakati pemapaipi kunochinja kumhanya uye kumanikidzwa kwenzvimbo inofambiswa. Zvichienderana nenheyo dzekuchinja kwemvura, kuderedza dhayamita yemapaipi kunokurumidzisa mvura ukuwo kuchideredza kumanikidzwa kwakasimba. Semuenzaniso, kuchinja kubva pahukuru hwepaipi ye 8-inch kuenda pahukuru hwepaipi ye 6-inch kunoguma nekuderedzwa kwenzvimbo yepakati pemapaipi kunowedzera kumhanya kwemvura neinenge 77%.

Kana kumhanyisa uku kukasatarisirwa zvakanaka, kunogona kukonzera nyonganyonga yakakura, kudzikira kwesimba remhepo munzvimbo imwe chete, uye kuvhuvhuta kwemhepo. Mumasisitimu emvura anoshanda pedyo nemiganhu yekumanikidzwa kwemhepo, kudzikira kamwe kamwe kwesimba remhepo kuburikidza nemuchina unoderedza simba zvisina kutsanangurwa zvakanaka kunogona kukonzera kuti mabhubhu emhepo aumbe uye aputsike, zvichikonzera kukurumidza kwekukura kwezvinhu uye kukanganisa kusimba kwesimba remhepo.

Mari yakavanzwa kubva mukukanganisa kwehukuru

Kukanganisa pakusarudza zvidiki zvemagetsi kunowanzo shandura zvakananga mari inoshandiswa pakushanda. Kana chinhu chinodzikisa magetsi chisina kukura zvakanyanya kana kuti chine kona yekuchinja inongoerekana yaitika, kukweshana kwemagetsi nemusoro zvinokonzeresa kuti mapombi emagetsi ashande nesimba kuchengetedza mwero wekufamba kwemagetsi unodiwa.

Ruzivo rweinjiniya runoratidza kuti saizi isina kunaka yekuderedza simba uye kudziviswa kwekuyerera kwemvura kunogona kuwedzera kushandiswa kwesimba kwepombi yepakati pemagetsi ne15% kusvika 25% pagore nekuda kwekurasikirwa nemusoro kusingakoshi. Nekufamba kwenguva, kushanda nesimba uku kunokurumidza kupera simba repombi, kunowedzera kuneta kwemuchina pamaseal nemabearings, uye kunowedzera mari yekugadzirisa uye nguva isina kurongwa yekushanda. Mari idzi dzenguva refu dzinopfuura zvakanyanya mari yekutanga yekuchengetedza yekuisa zvinhu zvakachipa, zvisina kukura zvakanaka.

Mhando dzekugadzirisa pombi dzinoderedza simba

Masisitimu emapaipi emaindasitiri anovimba nemagadzirirwo akasiyana-siyana ekuderedza zvinhu kuti agadzirisezvipingamupinyi zvenzvimbo chaiyo, hunhu hwemvura, uye zvinodiwa pakumanikidzwa kwemuchina. Kusarudza geometry yakakodzera uye nzira yekubatanidza kunovimbisa kugadzikana kwekushanda kwenguva refu uye kunoderedza zvikanganiso zvekugadzirisa.

Zvinoderedza zvinodzikamisa zvinhu (concentric) kana kuti eccentric

Musiyano mukuru wejometri muzvigadziko zvepombi zvinoderedza simba uri pakati pemagadzirirwo akadzika uye asina kusimba. Zvigadziriso zvinoderedza simba zvine chimiro chakafanana, chakafanana nekoni uko mitsetse yepakati yemativi makuru nemadiki inoenderana zvakanaka. Zvinonyanya kushandiswa mumatanho emapaipi akamira kana mumasisitimu uko kuunganidzwa kwemvura isiriyo nyaya huru.

Kusiyana neizvi, ma "eccentric reducers" anogadzirwa nerutivi rumwe rwakati sandara, achibvisa mutsetse wepakati nemaune. Kutarisa uku kwakati sandara kwakakosha muma "horizontal piping systems" kudzivirira kubatwa kwemhepo kana magasi, izvo zvinogona kukanganisa zvakanyanya kuyerera kwemvura nekukuvadza michina iri pasi pemvura. Kana ikaiswa padivi rekukweva pombi, divi rakati sandara rinowanzo tarisa kumusoro kuti rive nechokwadi chekuti mvura inoyerera nguva dzose, isina mhepo.

Kuenzanisa sarudzo dzekupedzisira dzekubatanidza uye purogiramu

Kupfuura geometry, zvidzikisi zvinoiswa muzvikamu zvichienderana nemaitiro azvokubatana kwekupedzisirauye ukobvu hwemadziro, hunowanzozivikanwa sehurongwa hwemapaipi. Zvishandiso zvekubatanidza mabutt-weld ndizvo zvinofanirwa kushandiswa muindasitiri pakushandisa zvine simba guru uye dhayamita hombe, zvichipa kuyerera kwakanaka kwemukati uye kusimba kwakasimba kwechimiro muhukuru kubva kuNPS 1/2 kusvika kuNPS 48 zvichikwira.

Zvisinei, zvinoderedza tambo dzesocket-weld uye threaded zvinowanzo shandiswa pakuisa mapipi madiki—zvinowanzo shandiswa paNPS 2 (nominal pipe size 2 inches) uye madiki. Izvi zvinokonzerwa nekuti zvinogona kukonzera ngura uye kudzvanywa kwakaderera pasi pekuiswa kwemhepo. Kuenzanisa nguva kwakakosha zvakaenzana; chinoderedza nguva chinofanira kunge chine ukobvu hwemadziro (semuenzaniso, Schedule 40, 80, kana 160) chinoenderana nepaipi iri pedyo kuti chive nechokwadi chekuti kudzvanywa kwakafanana uye kurongeka kwakakodzera kwesimbi.

Maitiro ekusarudza saizi, ukobvu hwemadziro, uye zvinhu

Kusarudza pombi yekuderedza simba kunoda kuongororwa kwakarongeka kwezvinodiwa zve network yepombi pamwe nezvinodiwa zvakasimba zvenzvimbo yekushanda. Kusawirirana mune chero chikamu chega chega kunogona kukonzera kutadza kushanda zvakanaka kwesystem.

Matanho ekusarudza saizi yekuderedza

Maitiro ekuisa saizi anotanga nekuona nemazvo dhayamita dzekunze (OD) dzemapombi ekusangana. Mainjiniya anofanirwa kuverenga mwero wekuyerera kwehuwandu hunodiwa uye kuona kuderera kwakanyanya kunobvumidzwa munzvimbo yekuchinja. Mazita ehukuru hwemaindasitiri anowanzo nyora dhayamita yakakura kutanga, ichiteverwa nedhayamita diki (semuenzaniso, 6″ x 4″).

Kana dhayamita inodiwa ichidarika saizi nhatu dzemapaipi, mainjiniya anofanirwa kuongorora kana chinhu chimwe chete chinodzikisa simba chichigona kubata shanduko yacho pasina kudarika mwero wekudonha kwesimba. Mumasystem ane kumhanya kwakanyanya, kudzikiswa kukuru kwedanho rimwe chete kunogona kukonzera nyonganyonga yakawandisa. Nokudaro, kudzikiswa kwedanho rimwe chete uchishandisa mafittings akawanda anotevedzana kunogona kudiwa kuchengetedza kugadzikana kwekuyerera uye kudzivirira zvishandiso zviri pasi.

Midhiya, tembiricha, ngura, uye zvinhu zvinomhanyisa kumhanya

Zvinhu uyetsanangudzo dzeukobvu hwemadziroZvinonyanya kutungamirirwa nemidziyo inotakurwa, tembiricha yekushanda, uye kumhanya kwemukati. Pakushandiswa kwemvura kana gasi risingaparadzi, simbi yekabhoni inowanzo kukwana. Zvisinei, nharaunda dzine makemikari akasimba dzinoda ma alloys emhando yepamusoro.

Semuenzaniso, kubata zvinhu zvinopisa zvakanyanya patembiricha dzinopfuura 60°C (140°F) dzine huwandu hwakawanda hwechloride zvinowanzoda kuvandudzwa kubva pasimbi isingatsvedzeri ye316L kuenda kuDuplex 2205 alloy ine Pitting Resistance Equivalent Number (PREN) inopfuura 34. Pamusoro pezvo, kumhanya kwemvura kunofanirwa kuderedzwa. Kuchengeta kumhanya kwemvura pasi pe3 metres pasekondi (m/s) inzira yakajairika yekudzivirira kukanganiswa nekukukurwa nekukurumidza mukati mechikamu chinoungana che fitting, kunyanya mumasisitimu anobata slurry kana zvidimbu zvemvura.

Mitemo, kudzorwa kwemhando, uye kuongororwa kwekutsvaga

Kuve nechokwadi chekuti chimiro chayo chakasimba uye kushanda zvakanaka kwepombi yekuderedza simba kunoda kunyatsotevedzera mitemo yekugadzira yepasi rose uye kuomerera zvakasimba.mapuroteni ekudzora mhandoKutevedzera mitemo hakusi sarudzo munzvimbo dzemaindasitiri dzine kumanikidzwa kwakanyanya.

Zvinodiwa zvikuru zveASME, ASTM, MSS, uye mapurojekiti

Zvigadziko zvinofanirwa kutevedzera mitemo yakatarwa inodzora zviyero, kuyera kwekupisa kwemhepo, uye hunhu hwezvinhu. ASME B16.9 ndiyo chiyero chezvigadziko zvekubatanidza madziro zvakagadzirwa nefekitori, zvichiratidza zviyero zvese, kushivirira, uye zviyero zvekuyedza. Kune zvigadziko zvakagadzirwa nesimbi, ASME B16.11 inodzora zvinodiwa zvakasimba zvekubatanidza madziro nekugadzira tambo.

Kutevedzera mitemo yezvinhu kwakakoshawo, kuchitungamirirwa nemitemo yeASTM yakaita seASTM A234 yesimbi ine kabhoni inodziya zvishoma nezvishoma uye ASTM A403 yesimbi isina ngura inonyungudika. Kutevedzera mitemo iyi kunoita kuti chinhu chinogadzirwa kubva kune chero mugadziri anozivikanwa pasi rose chishande zvakanaka nemapombi akajairwa uye chishande zvakanaka kana chiri pasi pekumanikidzwa.

Nzira yekugadzira, kushivirira, uye kuongororwa kwekutevedza

Kudzora mhando kunowedzera mumaitiro ekugadzira uye bvunzo dzepashure pekugadzira. Zvinoderedza huremu zvinogona kugadzirwa zvakanaka kubva papombi yakaburitswa kana kugadzirwa kuburikidza nekusanganisa kubva pasimbi yakamonerwa. Kune zvinoderedza huremu zvakasungirirwa, kuyedzwa kweX-ray (RT) 100% kana kuyedzwa kweUltrasonic (UT) kwemusero we weld kunowanzo kuve chinhu chinodiwa papurojekiti kuti uone kupinza kwepasi pevhu kana kusabatanidzwa kwekubatana.

Kushivirira kwemativi ose kunosimbiswa zvakasimba kuti kuve nechokwadi chekuwirirana uye hunhu hwekuyerera. Pasi peASME B16.9, chinodzora cheNPS 6 chinoda kuti dhayamita yekunze pabevel ichengetwe mukati mebhendi rekutsungirira rakakodzera re +1.6 mm kusvika -0.8 mm. Kutevedza kwakazara, kwakasimbiswa kuburikidza neMill Test Reports (MTRs) inotsanangura huwandu hwekupisa, kuumbwa kwemakemikari, uye simba rekugadzira michina, zvakakosha pakusimbisa kutevedzera mutemo usati waiswa.

Hurongwa hwesarudzo dzemutengi

Kuwana pombi dzinokwanisa kudzikisa zvinhu zvinoda kuti vatengi vafambe nenzira dzakasiyana-siyana dzemainjiniya, nguva yepurojekiti, uye bhajeti. Hurongwa hwakasimba hwezvisarudzo hunobatanidza zvinodiwa zvehunyanzvi nehupenyu hwekutengesa kuti zviwedzere Mutengo Wese weKuvaka (TCO).

Kuenzanisa kukodzera kwehunyanzvi, nguva yekutungamira, uye mutengo

Kuenzanisa kushanda kwehunyanzvi panguva yekutenga zvinhu nemutengo wayo ndiyo musimboti wekutenga zvinobudirira. Zvinhu zvinoderedza kabhoni zvakajairwa muzvikamu zvakafanana zvekuderedza (semuenzaniso, NPS 4 x 2) zvinowanzo kuwanikwa zviri nyore pasina muripo, zvine nguva yekutora kubva pavhiki imwe kusvika ku3 uye Minimum Order Quantities (MOQs) shoma kumapurojekiti akawanda.

Kusiyana neizvi, kusarudza ma alloys chaiwo akadai seInconel 625 kana kuda kuderedza dhayamita isiri yakajairika kunogona kushandura zvakanyanya hupfumi hweprojekiti. Zvishandiso zvakadaro zvakagadzirwa kana kuti zvine alloy yakawanda zvinowanzo wedzera nguva yekugadzira kusvika kumavhiki gumi nemaviri kusvika gumi nematanhatu uye zvinogona kuwedzera mitengo yeyuniti ne400% kusvika 600% zvichienzaniswa nemidziyo yesimbi yakajairwa. Vatengi vanofanirwa kutaurirana nemapoka einjiniya pakutanga kwechikamu chekugadzira kuti vaone kana kuisa saizi dzepombi dzakajairwa kana kutsiva zvinhu zvinogona kuderedza izvi.zvipingamupinyi zvekutengesapasina kukanganisa kuchengetedzeka kwesystem kana kugara kwenguva refu.

Zvinhu Zvinokosha Zvaunofanira Kuziva

• Mhedziso dzakakosha uye chikonzero chekugadziriswa kwepombi yekuderedza
• Magadzirirwo, kutevedzera mitemo, uye kuongororwa kwenjodzi zvinofanirwa kuongororwa usati waita chibvumirano
• Matanho anotevera anoshanda uye mazano anogona kushandiswa nevaverengi ipapo ipapo

Mibvunzo Inowanzo bvunzwa

Ndirini pandinofanira kushandisa eccentric reducer pachinzvimbo che concentric reducer?

Shandisa chinhu chinodzikisa mhepo pamitsetse yakatwasuka, kunyanya kudhonza pombi, kudzivirira mapombi emhepo. Shandisa chinhu chinodzikisa mhepo zvakanyanya pamigero yakatwasuka uko kurongeka kwepakati pemitsetse kunokosha.

Ndingasarudza sei saizi chaiyo yekuderedza uremu?

Enzanisai kuiswa kwepombi neNPS chaiyo yemapaipi ese akabatana uye simbisai kuti kuyerera kwemvura, kuderera kwesimba, uye kuchinja kwespeed zvinogamuchirwa. Dzivisai kudzikiswa kamwe kamwe kunowedzera kutenderera kwemhepo uye mutoro wepombi.

Purogiramu yekuderedza simba inofanira kuenderana nepurogiramu yepombi here?

Ehe. Sarudza ukobvu hwemadziro hunoenderana nepombi iri pedyo, senge Sch 40 kana Sch 80, kuti urambe wakasimba uye uchienderana zvakanaka panguva yekunamira kana kuisa.

Ndeipi nzira yekubatanidza magumo ekuderedza simba yakanakira basa remaindasitiri?

Zvinoderedza tambo dzematako zvinowanzo shandiswa pahukuru hwakakura uye masisitimu ane kumanikidzwa kwakanyanya nekuti zvinopa simba uye zvinofambisa mukati zvakapfava. Mhando dzeshinda dzakarukwa uye dzinoshandiswa pakuisa mapaipi madiki.

NBFH Metal inogona here kupa zvinhu zvekuderedza mapombi zvakagadzirwa nemaoko?

Ehe. NBFH Metal inopa mapipe fittings eindasitiri uye inogona kubatsira kuenzanisa rudzi rwechinodzikisa, saizi, purogiramu, uye zvinhu zvinoenderana nekushandisa kwako. Goverana saizi dzepipe dzako, kumanikidzwa, uye nzira yepakati kuti uwane mazano anoshanda.