Nhanganyaya
Zvishandiso zvepombi zvine shinda inzira inoshanda yekubatanidza masisitimu emapaipi madiki pasina kusanganisa, zvichiita kuti zvive zvakajairika mumabasa emagetsi, zvishandiso, uye basa remaindasitiri. Zvisinei, mashandiro azvo anoenderana nekusarudza mhando yakakodzera yekubatanidza, chimiro cheshinda, zvinhu, uye kirasi yekumanikidza yebasa racho. Chinyorwa chino chinotsanangura mapoka makuru ezvishandiso zvine shinda, chinotsanangura zviyero zvinotonga saizi uye kuvhara, uye chinoratidza kuti zvikamu izvi zvinonyanya kushandiswa kupi. Pakupedzisira, vaverengi vachave nehwaro hwakajeka hwekuenzanisa sarudzo, kudzivirira zvikanganiso zvakajairika zvetsanangudzo, uye kunzwisisa kuti kubatana kweshinda kwakakodzera here kana kuti imwe nzira yekubatanidza ndiyo iri sarudzo iri nani.
Sei zvigadziko zvepombi zvine shinda zvichikosha
Zvishandiso zvepombi zvine shinda zvinomiririra imwe yenzira dzekare uye dzakavimbika dzekubatanidza masisitimu epombi pasina chikonzero chekubatanidza nesimbi. Nekushandisa shinda dzemukati (dzechikadzi) nedzekunze (dzechirume) dzakagadzirwa nemazvo, zvikamu izvi zvinorerutsira majoini akachengeteka, akasimba muindasitiri dzakasiyana-siyana. Anonyanya kushandiswa mumasisitimu epombi ane tambo diki, anowanzo shandiswa pamapombi ane saizi ye2 inches (DN50) uye madiki. Kupfuura mwero uyu we2-inch, torque inodiwa kuti iunganidzwe zvakanaka uye ivhare majoini ane shinda inova yakaoma, uye dzimwe nzira dzakadai sekubatanidza kana kusanganisa dzinova dzakakosha.
Kukosha kunogara kwenguva refu kwezvishongedzo zvakarukwaInobva mukuenzana kwayo kwakasiyana kwesimba remakanika, kugona kuchinjika, uye nyore kwekubatanidza. Kunyange zvazvo tambo dzemakemikari dzine simba guru kana dzine njodzi dzichiwanzoda kugadzirwa kwakazara, tambo dzinobatanidza dzinoramba dziri dzemhando yepamusoro dzetambo dzemagetsi, zvishandiso, uye masisitimu echipiri ekugadzirisa uko kumanikidzwa kwekushanda kunowanzo gara kuri pasi pe150 psi kune mashandisirwo akajairwa, kana kusvika ku6,000 psi kana uchishandisa magadzirirwo akagadzirwa nemadziro anorema.
Zvakanakira zvekuisa nekugadzirisa
Chinhu chikuru chinobatsira pakubatanidza tambo dziri mukunyatsoshanda kwekuisaKusiyana nekunamira, kunamira hakudi mvumo yekushanda nekupisa, mhepo yekufema yakasarudzika, kana basa resimbi rakakosha zvikuru. Izvi zvinoreva kuti nguva yekuisa nemitengo yevashandi yakaderera, izvo zvinogona kuderedzwa ne30% kusvika 50% pane mamwe ma welld assemblies akafanana. Uyezve, masisitimu ane tambo haana njodzi yemoto panguva yekuisa, zvichiita kuti zvive zvakanaka pakugadzirisa kana kuwedzera munzvimbo dzinoshanda, dzine njodzi uko kumisa kugadzirwa kwemabasa ekupisa kusingagoneke.
Kugadzirisa nekugadzirisa masisitimu kunobatsirawo zvikuru kubva mukugadzirwa kwetambo. Kana pombi ichida kugadziriswazve, kuongororwa, kana kutsiviwa kwezvikamu, tambo dzakagadzirwa—kunyanya mayunioni—dzinobvumira mainjiniya kuputsa zvikamu zvakati nekukurumidza pasina kucheka pombi. Iyi modularity inoderedza nguva yekushanda uye inobvumira kudzoreredzwa uye kushandiswazve kwemavharuvhu nemidziyo inodhura.
Mashandisirwo akajairika emaindasitiri
Mashandisirwo emaindasitiri ekubatanidza shinda akakura, kunyange hazvo achiwanzo shandiswa muhurongwa hwekushandisa uye hwekubatsira kwete mumitsetse yekushanda ine njodzi. Kuparadzirwa kwemvura inotonhorera, network dzemhepo yemidziyo, uye masisitimu emhepo ine simba shoma anovimba zvakanyanya nezvinhu izvi. Mukudzivirira moto mumabhizinesi nemaindasitiri, shinda dzesimbi dzinonyungudika ndidzo dzinoshandiswa zvakanyanya mumitsara yebazi remasisitimu esprinkler.
Pamusoro pezvo, chikamu chemafuta negasi chinoshandisa zvinhu zvinorema zvakagadzirwa neshinda dzakagadzirwa neshinda dzekushandisa mumigero yemvura, maskidhi ekuisa makemikari, uye mitsetse yekudzora hydraulic. Munzvimbo idzi, zvinobatanidzwa neshinda zvinopa hunhu hwakakodzera kuti zvigone kumira kushushikana kwakakura kwekushanda uku zvichibvumira kuungana kwemunda nekukurumidza kunodiwa munzvimbo dziri kure kana dziri kunze kwegungwa.
Mhando, shinda, uye zvinhu
Kuchinja-chinja kwehurongwa hwemapombi ane tambo kunoenderana zvachose netsanangudzo chaiyo yemajiometri akakodzera, mapurofayi etambo, uye hunhu hwesimbi. Kusarudza musanganiswa wakakodzera kunoita kuti pombi ikwanise kugamuchira shanduko dzinodiwa padivi, kubatana kwebazi, uye zvinodiwa pakumanikidzwa pasina kukanganisa mafambiro ekuyerera kana kusimba kwemuchina. Mainjiniya anofanirwa kufamba mumatanho akasiyana-siyana, makirasi ekumanikidzwa anotangira paKirasi 150 kusvika kuKirasi 6000, uye mwero wakasiyana-siyana wetambo.
Mhando dzakajairika dzekugadzirisa
Manetwork emapaipi anoda nzira dzakasiyana-siyana dzekugadzirisa mafambiro epaipi nepahuwandu, dzinowanikwa kuburikidza nekuisa ma geometri chaiwo. Magokora (anowanzoita 90° ne45°) anobatsira kuchinja mafambiro epaipi, nepo ma tees nema cross zvichibvumira kupararira nekusanganiswa kwemvura. Ma coupling anobatanidza zvikamu zvepaipi zvakatsetseka, zvinoderedza kuchinja pakati pemadhayamita akasiyana epaipi, uye ma caps kana ma plugs anovhara magumo ekupedzisira. Ma unions zvinhu zvakakosha zvinobvumira kubviswa kwemapaipi pasina kutenderera zvikamu zvepaipi zviri pedyo.
| Rudzi rweKukwana | Basa Guru | Kuramba Kuyerera Kwemvura Kwakajairika (K-factor) |
|---|---|---|
| Gokora Rakajairika re90° | Inochinja nzira yekuyerera nemadhigirii makumi mapfumbamwe | 1.50 |
| Tie Yakajairika | Inoparadzanisa kana kusanganisa nzizi dzemvura | 1.80 (Kuyerera kwebazi) |
| Kubatanidzwa Kwakazara | Inobatanidza magumo maviri epombi zvakanyatsorongeka | 0.04 |
| Sangano | Inobvumira kudzima sisitimu iri mukati | 0.04 |
| Hex Bushing | Inoderedza saizi yekubatanidza | 0.05 |
Kusiyana kweNPT, BSPT, uye BSPP
Kusimba kwekubatana kweshinda kunoenderana nechimiro cheshinda chakashandiswa, neNPT (National Pipe Taper), BSPT (British Standard Pipe Taper), uye BSPP (British Standard Pipe Parallel) zviri zviyero zvinotonga pasi rose. NPT threads, dzakajairwa muNorth America, dzine kona yeshinda ye60-degree uye makomo nemapani akatsetseka. Kuwanda kweshinda iyi i1 inch mu16 inches, zvichiita kuti pave nekupindirana kunovhara kushanduka kwesimbi nesimbi pamwe chete nechisimbiso cheshinda.
Kusiyana neizvi, shinda dzeBSPT dzinoshandisa kona ye55-degree ine misoro yakatenderera nemipata. Kunyange hazvo BSPT ichivimbawo ne geometry yakatetepa yekuvhara, kona yayo yakasiyana uye pitch inoita kuti isawirirane zvachose neNPT; kumanikidza zviviri izvi pamwe chete kunovimbisa kubuda kwemvura uye kukuvara kweshinda. Nshinda dzeBSPP, dzisina taper, hadzigadzire chisimbiso kuburikidza nekukanganiswa kweshinda; dzinoda elastomeric O-ring kana bonded seal washer kudzivirira kubuda kwemvura, zvichiita kuti dzive dzakakodzera masisitimu anoda kuparadzwa nguva nenguva.
Sarudzo dzezvishandiso uye kuyera kumanikidzwa
Kusarudzwa kwezvinhu kunotungamira kusimba kwengura uye kusimba kwekupisa kwechinhu chakabatanidzwa. Simbi inonyungudika inowanikwa mumapombi ekutengesa ane simba shoma, anowanzo shandiswa muClass 150 kana Class 300. Kuti ishande zvakanaka mumaindasitiri, simbi yekabhoni yakagadzirwa (semuenzaniso, ASTM A105) inoshandiswa, inogadzirwa muClass 2000, 3000, uye 6000 ratings. Semuenzaniso, Class 3000 yakagadzirwa yakagadzirwa inosanganiswa nemapombi eSchedule 80 ekushandisa mumaindasitiri ane simba guru.
Kana paine ngura kana tembiricha yakanyanya, simbi dzisina ngura dzinoshandiswa mukugadzira zvinhu zvakaita se304/304L ne316/316L dzinotsanangurwa. Zvinhu izvi zvinodzivirira oxidation uye chemical attack ukuwo zvichiramba zvine simba remakanika patembiricha yakakwira. Kune nharaunda dzakanyanya kugadzirwa, zvinhu zvakasiyana-siyana zvakaita seMonel, Hastelloy, kana Duplex stainless steel zvinoiswa, kunyange zvazvo izvi zvinogona kuwedzera mitengo yezvinhu ne5 kusvika 10 zvichienzaniswa nesimbi yakajairwa yekabhoni.
Mitemo uye kutevedzera mitemo
Nekuti tambo dzakarukwa dzinoiswa munzvimbo dzine kumanikidzwa kwakanyanya uko kutadza kunogona kukonzera kusunungurwa kwakanyanya kwezvakatipoteredza, kukuvara kwepfuma, kana kukuvara, dzinotongwa nemitemo yakasimba yepasi rose. Mitemo iyi inoita kuti pave nekuenzana kwehukuru, maitiro esimbi anofungidzirwa, uye kudzvinyirirwa kwakavimbika pasinei nenzvimbo yemugadziri. Kutevedzera mitemo iyi kunovimbisa kuti tambo inotengwa munzvimbo imwe ichabatana zvakanaka nepombi yakarukwa mune imwe, ichichengetedza kushivirira kwakasimba sekutenderera kwetambo +/- 1.
Maitiro makuru eASME, ASTM, ISO, EN, uye MSS
Kugadzirwa uye kutsanangurwa kwezvishandiso zveshinda zvinodzorwa zvakanyanya nemasangano akadai seASME, ASTM, ISO, uye EN. ASME B16.11 ndiyo chiyero chezvishandiso zvesimbi zvakagadzirwa, zvichiratidza saizi, kushivirira, uye zvinodiwa nezvinhu zvekugadzira socket-welding uye tambo dzakagadzirwa. Panguva iyi, maprofile eshinda pachawo anotongwa neASME B1.20.1 yeNPT uye ISO 7-1 yeBSPT.
| Kusarudzwa Kwakajairika | Dare Rinodzora | Chikamu Chekutanga uye Mashandisirwo |
|---|---|---|
| ASME B16.11 | Sangano reAmerican Society of Mechanical Engineers | Zviyero uye zviyero zvezvishandiso zvesimbi yakagadzirwa neshinda uye socket-welding |
| ASME B1.20.1 | Sangano reAmerican Society of Mechanical Engineers | Magadzirirwo eshinda dzepombi dzeNPT dzinoshandiswa zvakanyanya |
| ISO 7-1 | Sangano Renyika Dzepasi Pose Rekuyera Mamiriro Ezvinhu | Saizi uye kushivirira kwetambo dzepombi dzakamanikana (BSPT) |
| ASTM A105 / A182 | Sangano reAmerican Society for Testing and Materials | Zvimiro zvesimbi yekabhoni (A105) uye simbi isina ngura/simbi isina alloy (A182) |
| EN 10241 | Komiti yeEuropean Standardization | Magadzirirwo ezvishandiso zvesimbi zvepombi zvinoshandiswa mumisika yeEurope |
Chitupa, kuteverwa, uye kuyedzwa
Kutevedzera mitemo kunopfuura kururamisa kwezvikamu kusvika pakutevedza zvinhu zvakasimba uyevimbiso yemhando yepamusoroMapurojekiti epamusoro-soro emaindasitiri anoda kuti Material Test Reports (MTRs) ienderane neEN 10204 Type 3.1, iyo inovimbisa kuti kuumbwa kwemakemikari uye hunhu hwemakanika hwechigadzirwa chacho zvakasimbiswa nedhipatimendi rekuyedza rakazvimirira remugadziri. Kutevedza uku kunoita kuti zvinhu zvakaenzana nekabhoni zvirambe zviri mukati memiganhu inogamuchirika yekuwirirana (kana zvichibvira) uye kuvimbika kwechimiro.
Maitiro ekuyedza anowanzo sanganisira Positive Material Identification (PMI) yekusimbisa kuumbwa kwe alloy, kunyanya kukosha kune 316 stainless steel kuti ive nechokwadi chekuti molybdenum yakakwana (kazhinji 2.0% kusvika 3.0%) kuti isapindwe nemakomba. Uyezve, kunyange hazvo fittings pachadzo dzisingaedzwe nemvura imwe neimwe nemugadziri, dzakagadzirirwa kutsungirira kuyedzwa kwe hydrostatic system ne1.5 nguva yekumanikidzwa kwepamusoro-soro kwedhizaini pasina kudonha kana kubuda mvura.
Maitiro ekuongorora uye manyuko ezvishandiso
Kutenga ma "threaded pombi fittings" kunoda nzira yakarongeka inoenzanisa hunyanzvi hwekugadzira ne "supply chain" chaiyo. Vatengi nemainjiniya havafanire kungoongorora zvinodiwa pakushandiswa nekukurumidza chete asiwo kuvimbika kwenguva refu kwezvikamu. Kusaverenga zvakanaka pakuyera kunaka kwe "fitting" kana kutadza kutarisira nguva ye "lead" kunogona kukonzera kunonoka kunodhura kweprojekiti kana kutadza kushanda zvakanaka kwesystem.
Zvinokodzera mashandisirwo uye zvinhu zvinosarudzwa
Chinhu chikuru chekufunga nezvacho pakutsvaga zvinhu ndechekuenderana kwakarurama pakati pechinhu chakagadzirwa nesimbi nechinhu chinoshandiswa. Miganhu yekupisa inokosha; semuenzaniso, nepo chinhu chakagadzirwa nesimbi yekabhoni chichigona kumira tembiricha yakakwira, tepi yePTFE thread sealant inowanzo shandiswa nayo inowanzo derera pamusoro pe260°C (500°F). Muzviitiko zvakadaro, mamwe ma sealant ekupisa kwakakwira kana magadzirirwo e thread akasarudzika ane zvisimbiso zvesimbi anofanira kuongororwa.
Kudedera chimwe chinhu chakakosha pakusarudza. Majoini ane tambo dzakatetepa anogona kudzoserwa kumashure kana paine kudedera kwakanyanya, kwakanyanya. Kana sisitimu ikatenderedzwa nemagetsi kubva kumapombi kana macompressor, vatengi vanofanira kuongorora kana tambo dzakatetepa dzakakodzera, kana kuti kana tambo dzinovhara tambo uye tambo dzakakora dzeClass 6000 dzichidikanwa kuti dzipe huremu hunodiwa uye hurefu hwekubatana kwetambo kuti dzisaderedzwe nekudedera.
Nzvimbo dzekutarisa mhando
Nzvimbo dzekutarisa dzemhando yepamusoro dzinofanira kugadzwa panguva yekuongorora. Vatengi vanofanira kuongorora vatengesi kuti vaone kana shinda dzakanyatsojeka; shinda dzakachekwa dzakadzika zvakanyanya kana kuti dzisina kudzika zvakanyanya hadzizokwanisi kupindira, zvichikonzera kubuda kwemvura. Kuongorora kwemaziso kunofanirwa kusimbisa kusavapo kwemaburi, kubvaruka, kana mavanga ekurunga pashinda, izvo zvinoratidza kusashanda zvakanaka kwemuchina uye nzvimbo dzakavharirwa.
Ukobvu hwemadziro ndeimwe nzvimbo yakakosha yekutarisa. Chigadziko cheClass 3000 chinofanira kunge chine ukobvu hwakakwana hwemadziro kuti chienderane kana kupfuura kumanikidzwa kwepombi yeSchedule 80. Vagadziri vasina kusimba vanogona kuchekerera ukobvu hwemadziro kuti vasashandise mari yezvinhu zvakagadziriswa. Pamashandisirwo akakosha emaindasitiri,zvikwata zvekutengainofanira kunanga vatengesi vanoratidza mwero wezvikanganiso uri pasi pe0.1%, vachitsigirwa nemaitiro akasimba ekutarisira mhando yeISO 9001.
MOQ, nguva yekutungamira, kurongedza, uye kuwana
Zvinhu zvekufambisa nekutengeserana zvinopesvedzera zvakanyanya nzira dzekutsvagisa. Simbi yakajairwa yekabhoni uye 304/316 stainless steel fittings zvinowanzo takura Minimum Order Quantities (MOQs) inotangira pa500 kusvika chiuru chezvimedu zvemaodha efekitori zvakananga, kunyange hazvo vagovanisi vanowanzo tengesa zvinhu zvidiki zvine mwero wepamusoro. Nguva yekuburitsa zvinhu zvakagadzirwa nesimbi inowanzo tangira pamavhiki mana kusvika masere, nepo zvinhu zvekunze zvakaita seHastelloy zvinogona kusvika pamavhiki gumi nemaviri kana gumi nematanhatu nekuda kwekushomeka kwezvinhu zvakagadzirwa.
Kurongedza chinhu chinowanzo furatirwa. Zvigadziko zvesimbi yekabhoni zvinogona kuoxidation zvakanyanya panguva yekufambisa mugungwa. Vatengi vanofanira kusarudza nzira dzekudzivirira ngura, dzakadai semafuta akapfava, uye vanoda kurongedza kwemhando yepamusoro-soro—senge vapor corrosion inhibitor (VCI) bags dziri mumabhokisi emapuranga anorema—kuona kuti zvinhu zvinosvika panzvimbo yekuvaka zviri mumamiriro akakodzera kuiswa.
Tsanangudzo uye hurongwa hwekutenga
Kuti vaderedze njodzi dzine chekuita nezvinhu zvisingaenderane nezvinodiwa nevatengi uye matambudziko ekutengesa zvinhu, masangano anofanirwa kushandisa hurongwa hwakarongeka uye hurongwa hwekutenga. Nekuita kuti zvinhu zvienderane nezvinodiwa nevatengi, makambani anovimbisa kuti zvinhu zvinogara zvichishanda zvakanaka munzvimbo dzakasiyana siyana, kuderedza mari yese yekuva muridzi wezvinhu, uye kuenzanisa zvinodiwa nehunyanzvi zvedhipatimendi reinjiniya nemamiriro ekutengeserana echikwata chekutenga zvinhu.
Maitiro ekugadzirisa matanho nhanho nhanho
Maitiro akasimba ekugadzirisa zvinhu anotevera nzira yakanyatsotsanangurwa, nhanho nenhanho. Danho rekutanga rinotsanangura nzira yemvura, kumanikidzwa kwekushanda, uye tembiricha yepamusoro (semuenzaniso, steam yakaguta pa150 PSI). Danho rechipiri rinotara giredhi rezvinhu uye kirasi yekumanikidzwa inodiwa kuchengetedza nzira iyoyo zvakachengeteka. Danho rechitatu rinotara mhando yeshinda (semuenzaniso, kuraira NPT muNorth America kudzivirira kuyambuka tambo nezvikamu zveBSPT).
Danho rechina rinosanganisira kutsanangura zvinodiwa pakutevedzera mitemo uye magwaro ekuyedza, akadai sekutevedzera mitemo yeASME B16.11 uye EN 10204 3.1 MTRs. Chekupedzisira, danho rechishanu rinoda kuongororwa kwehunyanzvi uko zvigadziko zvakatarwa zvinosimbiswa zvichienderana nehurongwa hwepombi huri kushandiswa, kuve nechokwadi chekuti chigadziko cheClass 3000 chine simba guru hachina kusanganiswa nemazvo nepaipi yeSchedule 10 ine madziro matete, izvo zvingagadzira nzvimbo isina simba ine njodzi mumudzi weshinda.
Mabasa einjiniya, kugovera, uye kutenga
Kubudirira kwekutenga zvinhu kunoenderana nekushanda pamwe chete kwechikwata chemainjiniya, chekugovera, uye chekutenga zvinhu.
Zvinhu Zvinokosha Zvaunofanira Kuziva
- Mhedzisiro yakakosha uye chikonzero chezvishandiso zvepombi dzakarukwa
- Magadzirirwo, kutevedzera mitemo, uye kuongororwa kwenjodzi zvinofanirwa kuongororwa usati waita chibvumirano
- Matanho anotevera anoshanda uye mazano anogona kushandiswa nevaverengi ipapo ipapo
Mibvunzo Inowanzo bvunzwa
Saizi ipi yepombi yakakodzera zvakanyanya pakubatanidza pombi dzakarukwa?
Kazhinji dzinoshandiswa pamitsetse midiki inosvika masendimita maviri (DN50). Pamusoro pehukuru ihwohwo, simba rekubatanidza uye njodzi yekudonha kwemvura inowedzera, saka majoini akasungirirwa kana akasungirirwa anowanzo kufarirwa.
Ndedzipi mhando dzezvishandiso zvepombi zvine shinda dzinonyanya kushandiswa?
Mhando dzakajairika dzinosanganisira magokora, matinji, macoupling, mareducer, macaps, maplugs, mabushings, uye ma unions. Imwe neimwe inoita basa rakadai sekushandura divi, kuyerera kwematavi, kubatanidza pombi, kana kubvumira nyore nyore kupatsanurwa.
NPT, BSPT, uye BSPP tambo dzakasiyana sei?
NPT inoshandisa shinda ine 60° yakapfava inowanikwa kuNorth America. BSPT ine 55° yakapfava, nepo BSPP ine 55° yakafanana uye inowanzovhara newasher kana O-ring. Usasanganisa zviyero.
Mapombi ane shinda anowanzo shandiswa kupi?
Zvinowanzoitika mumvura inotonhorera, mhepo yemidziyo, utsi husina simba rakawanda, mitsetse yebazi re sprinkler, uye michina yemafuta kana mitsetse yekudzora hydraulic uko kuungana nekukurumidza nekugadzirisa kwakakosha.
Ndingasarudza sei mutengesi wezvishandiso zveshinda akakodzera pabasa rangu?
Tarisa kuti mutengesi anopa mwero weshinda unodiwa, kirasi yekumanikidza, uye zvinhu, pamwe nemhando yemuchina inoenderana. Pa nbfh-metal.com, tarisa mhando yezvigadzirwa uye kugona kwefekitori usati wakumbira matsanangudzo kana mutengo.
Nguva yekutumira: Chivabvu-13-2026