Kusarudzwa kwezvinhu kwakakosha pakuona kuvimbika kwemavharuvhu ekumhara mumasisitimu ekudzivirira moto. Brass nebronze, maviri anoshandiswa zvakanyanya alloys, anoratidza akasiyana emuviri zvimiro uye maitiro ekuita.

• Brassinoshingirira mukuora zvakanyanya, inoumbika, uye inogara kwenguva refu, zvichiita kuti ive sarudzo yakanakisa yezvishandiso zvakaita semavharuvhu akatwasuka uye mavharuvhu anodzora kumanikidza.
• Bronze, nepo zvakare isingadziviriri, ine yakakwirira porosity uye yakaderedzwa kusimba, izvo zvinogona kutungamirira mukuparara kwezvinhu nekufamba kwenguva.

Kusarudza zvinhu zvakakodzera kwakakosha kuvimbisa hupenyu hurefu uye kuita kwakakwana kwemavharuvhu ekumhara, kusanganisira mavharuvhu ePRV uye.mavharuvhu ekumanikidza, munzvimbo dzakasiyana-siyana dzezvakatipoteredza.

Key Takeaways

• Brass inodhura zvishomauye iri nyore kuumba, saka inoshanda zvakanaka kune indoor moto masisitimu ane pakati nepakati kushushikana.
• Bronze yakasimba uye inodzivirira ngura zviri nani, zvichiita kuti ive yakanaka kunzvimbo dzakaoma sepedyo negungwa.
• Kutora zvinhu zvakakodzerakuti mavharuvhu ekumhara anoenderana nepaanoshandiswa uye kuti ndechei kuti ave nechokwadi chekuti anogara uye anoshanda nemazvo.

Material Kuumbwa kweLanding Valves

Brass: Kuumbwa uye Zvivakwa

Brass ialloy inonyanya kuumbwa nemhangura uye zinc, ine zviyero zvinosiyana zvichibva pane zvakatarisirwa kushandiswa. Mhangura yemukati inowanzobva pa55% kusvika 95%, nepo zinc ichiita 5% kusvika 45%. Zvimwe zvinhu zvakaita semutobvu, simbi, aluminium, nickel, uye arsenic zvinowanzowedzerwa kuwedzera zvivakwa.

• Tungamirainovandudza machinability, ichiita kuti ndarira zvive nyore kugadzira panguva yekugadzira.
• Ironkunowedzera simba, kuve nechokwadi kuti zvinyorwa zvinogona kumira kushushikana kwemagetsi.
• Aluminiumuyenickelkuwedzera kusadzivirirwa nekuora, kugadzira ndarira yakakodzera nzvimbo dzakafumurwa nehunyoro kana makemikari.

Brass inozivikanwa nekusagadzikana kwayo kwakanakisa, ichibvumira vagadziri kugadzira madhizaini akaomarara ekumhara mavharuvhu. Kudzivirirwa kwayo kwekuora kunovimbisa kusimba mumasisitimu ekudzivirira moto, uko kuvimbika kwakakosha.

Bronze: Kuumbwa uye Zvivakwa

Bronze ialloy inonyanya kuumbwa nemhangura netin, iine mhangura inoita 88% uye tin inenge 12%. Zvimwe zvinhu zvakadai sealuminium, nickel, phosphorus, silicon, uye manganese zvinowanzobatanidzwa kuvandudza michina nemakemikari zvinhu.

• Aluminiuminowedzera simba uye corrosion resistance, zvichiita kuti bhuronzi ive yakanakira nzvimbo dzemugungwa.
• Nickelinowedzera marara kuramba uye kusimba kwese.
• Phosphorusinovandudza kupfeka kuramba, kuve nechokwadi chekugara kwenguva refu mu-high-friction application.
• Siliconuyemanganeseinobatsira kune simba remagetsi uye kusimba.

Bronze inotaridza kusimba kwepamusoro uye kwakanakisa kusakara, kunyanya munzvimbo dzakaoma. Semuenzaniso, nickel aluminium bronze inoshandiswa zvakanyanya muzvikamu zvemuchadenga nekuda kwekusimba kwayo kwe550 kusvika 900 MPa uye kusimba mumamiriro emugungwa. Saizvozvowo, C932 inotakura bhuronzi, ine simba rekusimba rinenge 35,000 PSI, inowanzoshandiswa muzvikamu zvevharuvhu.

Misiyano Yakakosha Pakuumbwa Kwezvinhu

Misiyano yekuumbwa pakati pendarira nebhuronzi inonyanya kukanganisa zvimiro zvavo zvemuviri uye kukodzera kwemavharuvhu ekumhara.

Alloy	Main Components	Zvimwe Zvinhu Nezvazvinoita
Bronze	Mhangura (88%), Tini (12%)	Aluminium (simba, corrosion resistance), nickel (simba, tarnish resistance), Phosphorus (kupfeka kuramba), Silicon (simba), Manganese (mechanical properties)
Brass	Mhangura (55% -95%), Zinc (5% -45%)	Lead (machinability), Iron (simba), Aluminium (corrosion resistance), nickel (corrosion resistance), arsenic (corrosion resistance)

Brass ine yakakwira zinc yemukati, iyo inokwidziridza malleability uye machinability, zvichiita kuti zvive nyore kugadzira mavharuvhu ekumhara ane madhizaini akaomarara. Bronze, kune rimwe divi, inotsamira patin nezvimwe zvinhu kuti iwane simba repamusoro uye kupfeka kuramba, ichiita kuti ive yakakodzera kune maapplication anoda kusimba pasi pekunetseka kwemakanika.

Misiyano yehuwandu inowedzera kuratidza maitiro avo akasiyana:

Material	Mhangura (%)	Zingi (%)	Tini (%)	Zvimwe Zvinhu
Brass	57% kusvika 63%	35% kusvika 40%	N/A	N/A
Bronze	Mhangura + Tin	N/A	N/A	Nickel, Manganese (zvinogona kuwedzera)

Misiyano iyi inosimbisa kukosha kwekusarudza zvinhu zvakanaka zvekumhara mavharuvhu zvichibva panechaiyo application zvinodiwauye mamiriro ezvakatipoteredza.

Corrosion Resistance muLanding Valves

Brass uye Corrosion Resistance

Brass inotaridza kuramba kugwinya, kunyanya munzvimbo dzisina kunyanyoratidzwa kemikari yakaomarara kana mamiriro akanyanya. Yayo yakakwirira yemhangura inoumba chidziviriro oxide layer kana ichiiswa kumhepo kana mvura, iyo inodzivirira kuwedzera kuderera. Ichi chivakwa chinoita ndarira zvinhu zvakavimbika zvekumhara mavharuvhu anoshandiswa mukati memukati ekudzivirira moto masisitimu kana nzvimbo dzine inodzorwa mamiriro ekunze.

Kuwedzerwa kwezvinhu zvakaita sealuminium uye nickel kunowedzera kuwedzera kugona kwendarira kuramba corrosion. Aluminium inogadzira yakatetepa, yakasimba oxide layer inodzivirira zvinhu kubva pakunyorova uye kuratidzwa kwemakemikari. Nickel, kune rumwe rutivi, inonatsiridza kushatisa kuramba, kuve nechokwadi kuti zvinhu zvinochengeta kutaridzika kwayo uye kushanda kwayo nekufamba kwenguva. Aya maitiro anoita kuti brass ive sarudzo yakanaka yezvishandiso zvinoda kusimba uye kunaka kukwezva.

Bronze uye Corrosion Resistance

Bronze inopa yepamusorocorrosion resistance, kunyanya munzvimbo dzakaoma dzakadai semugungwa kana maindasitiri. Kuumbwa kwayo, kunyanya mhangura uye tini, inopa chipingamupinyi chechisikigo kurwisa oxidation uye kuita kwemakemikari. Iko kuiswa kwezvinhu zvakaita sealuminium uye phosphorus kunosimbisa kuramba kwayo kupfeka uye kuora.

Tsvagiridzo inosimbisa kuti nickel-aluminium bronze (NAB) inoratidza yakakwidziridzwa corrosion kuramba munzvimbo dzemugungwa. Kuvandudzwa uku kunobva kune microstructural maitiro eNAB/simbi anoumbwa zvimiro, kunyanya ayo akagadzirwa kuburikidza neWire-Arc Additive Manufacturing (WAAM). Hukuru hwezviyo hudiki uye kudonha kushoma kweiyo κ chikamu muWAAM-NAB kunoderedza kusarudzwa kwechikamu chekuora, zvichiita kuti zvive nani kuita kwese. Zvinhu izvi zvinoita kuti bhuronzi ive chinhu chinofarirwa nemavharuvhu ekumhara akaiswa mumvura yemunyu kana zvimwe zvinhu zvinoparadza.

Zvinhu Zvakatipoteredza Zvinokonzera Kuora

Mamiriro ekunze anoita basa rakakosha pakuona kupikisa kwecorrosion yezvinhu zvinoshandiswa mumavharuvhu ekumhara. Zvinhu zvakadai sehunyoro, tembiricha, uye kuratidzwa kumakemikari kana mvura yemunyu zvinogona kukurumidzisa kuita ngura. Semuyenzaniso, brass inoita zvakanaka munzvimbo dzakaoma kana kuti dzine mwando zvine mwero asi inogona kupera ngura nekukurumidza munzvimbo dzine salinity yakanyanya kana acidic kuratidzwa.

Bronze, nekuumbwa kwayo kwakasimba, inomira nemamiriro ezvinhu akaomarara, kusanganisira nharaunda dzemugungwa uye kushandiswa kwemaindasitiri. Nekudaro, kunyangwe bhuronzi inogona kusangana nekudzikira kana yakafumurwa kune yakanyanyisa pH mazinga kana kubata kwenguva refu nemakemikari ane hukasha. Nguva dzose kuchengetedza uye kusarudzwa kwezvinhu zvakakodzera kunobvamamiriro ezvakatipoteredzazvakakosha pakuita kuti hurefu uye kuvimbika kwemavharuvhu ekumhara.

Kugara uye Simba reKudzika Mavharuvhu

Mechanical Properties yeBrass

Brass inoratidzira yakasarudzika musanganiswa wesimba uye kuchinjika, ichiita yakavimbika zvinhu zvekumhara mavharuvhu. Simba rayo rekusimba rinowanzobva pa200 kusvika ku550 MPa, zvichienderana neyakagadzirirwa alloy kuumbwa. Iri simba rinobvumira ndarira kutsungirira zvine mwero mechanical kusagadzikana pasina kutsemuka kana kuremara. Pamusoro pezvo, kusarongeka kwayo kunovimbisa kuti vagadziri vanokwanisa kuiumba kuita madhizaini akaomarara pasina kukanganisa kutendeseka kwayo.

Brass inoratidzawo yakanakisa kupfeka kuramba, kunyanya munzvimbo dzakaderera-inopokana. Ichi chivakwa chinoderedza mukana wekushatiswa kwepasi nekufamba kwenguva, kuve nechokwadi chekuita kunoenderana. Iko kusanganisirwa kwezvinhu zvakaita sesimbi nealuminium kunowedzera kugadzikana kwayo kwemuchina, zvichiita kuti ive yakakodzera kune maapplication anoda zvese kusimba uye nemazvo.

Mechanical Properties yeBronze

Bronze inozivikanwa nekuda kwesimba rayo repamusoro uye kusimba pasi pemamiriro ekushushikana kwakanyanya. Simba rayo rekusimba rinowanzobva pa300 kusvika ku800 MPa, zvichienderana nealloy. Izvi zvinoita kuti bronze ive sarudzo yakanakisa yezvishandiso uko kusimba kwakakosha. Kuwedzerwa kwetini uye zvimwe zvinhu zvakaita se phosphorus uye manganese kunowedzera kusapfeka kwayo, zvichiita kuti ikwanise kumira kushandiswa kwenguva refu munzvimbo dzinoda.

Bronze zvakare inokunda mukukweshera kwepamusoro-soro nekuda kweiyo yakaderera coefficient yekukwesha. Ichi chivakwa chinoderedza kusakara uye kubvaruka, kuwedzera hupenyu hwezvikamu. Kugona kwayo kuchengetedza kutendeseka kwechimiro pasi pemamiriro akanyanya kuita kuti ive chinhu chinosarudzika chekumhara mavharuvhu akaoneswa kune inorema mechanical mitoro.

Yakareba-Kugara Kwenguva muLanding Valve Applications

Kugara kwenguva refu kwemavharuvhu ekumhara kunoenderana nekugona kwechinhu kuramba kupfeka, ngura, uye kushushikana kwemagetsi. Tsvagiridzo yehupenyu hurefu hwevharuvhu, senge zvidzidzo zve transcatheter aortic valve implantation (TAVI), inopa ruzivo rwakakosha. Semuenzaniso, muyedzo wePARTNER-1 wakataura kuti hapana structural valve deterioration (SVD) mushure memakore mashanu, nepo imwe ongororo yakaona kuwedzera kweSVD chiitiko che14.9% mushure memakore manomwe. Zvakawanikwa izvi zvinoratidza kukosha kwekusarudza zvinhu zvine kusimba kwakaratidzayezvikumbiro zvakakosha.

Brass nebronze zvese zvinopakushanda kwenguva refu kana kushandiswamumavharuvhu ekumhara. Nekudaro, sarudzo pakati pezviviri zvinoenderana nekushandiswa kwakanangana nemamiriro ekunze. Brass yakanakira kushushikana kuri pakati nepakati uye inodzorwa nharaunda, nepo bhuronzi ichikunda mukushushikana kwakanyanya kana corrosive marongero. Kusarudzwa kwezvinhu zvakakodzera kunovimbisa kuvimbika uye hupenyu hurefu hwekumhara mavharuvhu mumasisitimu ekudzivirira moto.

Mutengo uye Machinability yeKudzika Mavharuvhu

Mutengo Kuenzanisa: Brass vs. Bronze

Brass nebronze zvinosiyana zvakanyanya mumutengo nekuda kwekuumbwa kwavo uye kuwanikwa. Brass, inoumbwa zvakanyanya nemhangura uye zinc, inowanzove yakanyanya kutengwa. Kushandiswa kwayo kwakapararira mupombi dzemvura uye maindasitiri ekushandisa kunobatsira kune yakaderera mutengo poindi. Bronze, iyo ine mhangura nerata, kazhinji inodhura zvakanyanya nekuda kwekushomeka kwerata uye maalloys akasarudzika anodiwa kune mamwe maapplication.

Vagadziri vanowanzo sarudza ndarira yekumhara mavharuvhu apo mutengo unoshanda uri wekutanga. Bronze, nepo ichidhura, inopa simba repamusoro uye kusagadzikana kwemarara, zvichiita kuti ive sarudzo yakasarudzika kune yakanyanya-kushushikana nharaunda. Sarudzo pakati pezvinhu izvi zvinoenderana nekuenzanisa zvipingamupinyi zvebhajeti nezvinodiwa zvekuita.

Machinability uye Manufacturing Kufunga

Machinability inoita basa rakakosha pakuona kureruka kwekugadzira mavharuvhu ekumhara. Brass inoratidza yakanakisa machinability nekuda kwekusagadzikana kwayo uye kuderera kuoma. Ichi chivakwa chinobvumira vagadziri kuti vagadzire akaomesesa madhizaini ane mashoma maturusi kupfeka. Bronze, ichiri kusimba, inopa matambudziko makuru panguva yekugadzira nekuda kwekuoma kwayo uye kusimba kwayo.

Tafura iri pazasi inoratidza akakosha machinability mabhenji endarira nebronze alloys:

Alloy Type	Kusimba Simba (ksi)	Goho Simba (ksi)	Elongation (%)	Kuoma (Brinell)	Machinability (YB)
Red Brass	83	N/A	32	N/A	35
Manganese Bronze	86	90	45	48	30
Tin Bronze	90	40	45	21	30

Brass's yepamusoro machinability mamakisi inoita kuti ive yakanakira maapplication anoda kunyatsoita uye kunyatsoshanda. Bronze, kunyangwe yakaderera machina, inoramba iri sarudzo inoshanda yekumhara mavharuvhu munzvimbo dzinodiwa nekuda kwesimba rayo remuchina.

Maintenance uye Lifecycle Mari

Kugadzirisa uye mutengo wehupenyu hunoenderana nekusimba kwechinhu uye kuramba kupfeka. Brass inoda kushomeka kugadziridzwa munzvimbo dzakadzorwa, ichideredza mari yenguva refu. Nekudaro, mumamiriro ekuora kana akanyanya-kushushikana, bronze inopa hupenyu hurefu huri nani, ichigadzirisa mutengo wayo wekutanga wakakwira nekudzikiswa kudzoreredza frequency.

Kusarudza chinhu chakakodzera chekumhara mavharuvhu kunovimbisa kuita kwakaringana uku uchidzikisa mutengo wakazara. Vagadziri vakaita seYuyao World Fire Fighting Equipment Factory vanoisa pamberizvinhu zvinotsanangurwakuendesa mhinduro dzakavimbika uye dzinodhura dzekushandisa kwakasiyana.

Zvishandiso uye Kukodzera kweKudzika Mavharuvhu

Brass Kudzika Mavharuvhu: Zvakajairwa Zvikumbiro

Brass kumhara mavharuvhu anoshandiswa zvakanyanya munzvimbo umo ine mwero mechanic kusagadzikana uye inodzorwa mamiriro anotonga. Dziviriro yavo yakanaka yekudzivirirwa nekusagadzikana inoita kuti ive yakakodzera masystem ekudzivirira moto mukati, senge zvivakwa zvekutengesa, dzimba dzekugara, nenzvimbo dzehofisi. Aya mavharuvhu anoita zvakavimbika mumasisitimu umo kusangana nemakemikari ane hutsinye kana mamiriro ekunze akanyanya kushoma.

Kureruka kwemhangura yekugadzira kunobvumira vagadziri kugadzira zvigadzirwa zvakaomarara, zvichiita kuti zvive zvakanaka kune mavharuvhu anodzvinyirira uye mavharuvhu akatwasuka. Pamusoro pezvo, mavharuvhu ekumhara endarira anowanzo kusarudzwa nekuda kwekunaka kwawo, sezvo achichengetedza kutaridzika kwakakwenenzverwa nekufamba kwenguva. Uku kusanganiswa kwekushanda uye kukwezva kwekuona kunoita kuti brass ive sarudzo inosarudzika yezvishandiso zvinoda zvese kushanda uye dhizaini kuchinjika.

Bronze Landing Valves: Common Applications

Mavharuvhu ekumhara ebhuronzi anokunda munzvimbo dzinoda uko kusimba uye kushorwa kwemarara kwakakosha. Kuumbwa kwavo kwakasimba kunoita kuti ive yakanaka kune ekunze ekudzivirira moto masisitimu, zvivakwa zveindasitiri, uye zvikumbiro zvemugungwa. Aya mavharuvhu anomira zvakanyanya kushushikana kwemechani uye kuramba kupfeka, kunyangwe mumamiriro ezvinhu akaomarara sekuratidzwa kwemvura yemunyu kana kupisa kwakanyanya.

Simba repamusoro reBronze uye yakaderera friction zvivakwa zvinoita kuti ive yakakodzera kune yakakwira-kudzvanya masisitimu uye inorema-basa kunyorera. Semuenzaniso, mavharuvhu ekumhara ebhuronzi anowanzoshandiswa munzvimbo dzengarava, mapuratifomu ekumahombekombe, uye zvidyarwa zvemakemikari. Kukwanisa kwavo kutsungirira mamiriro ezvinhu akaoma kunovimbisa kuvimbika kwenguva refu uye kuchengeteka mune zvakakosha zvirongwa zvekudzivirira moto.

Kusarudza Nyaya Yakakodzera Yezvido Zvakananga

Kusarudza mashoko akakodzera akumhara valvezvinoenderana nezvinodiwa zvekushandisa uye mamiriro ekunze. Brass isarudzo yakanakisa yemukati kana yakaderera-kushushikana nharaunda nekuda kwekugona kwayo, machinability, uye corrosion kuramba. Kusiyana neizvi, bhuronzi inokodzera zvirinani kune yakakwirira-stress kana corrosive marongero, uko kusimba uye kusimba kwakanyanya.

Vagadziri vakaita seYuyao World Fire Fighting Equipment Factoryinopa huwandu hwemavharuvhu ekumhara akagadzirirwa akasiyana maapplication. Kunzwisisa zvinodiwa zvakananga zvekudzivirira moto kunovimbisa kusarudzwa kwezvinhu zvakanyatsokodzera, kuwedzera kushanda kwevhavha uye hupenyu hurefu.

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Brass nebronze zvinosiyana mukuumbwa, kusaita ngura, kusimba, uye mutengo. Brass inopa kugona uye machinability, nepo bronze ichikunda mukusimba uye kusimba. Kusarudza chinhu chakakodzera zvinoenderana nemamiriro ekunze uye zvinodiwa zvekushandisa. Kunzwisisa zvinyorwa zvezvinhu zvinoita kuti mavharuvhu ekumhara aite zvakavimbika uye anogara kwenguva refu mumasisitimu ekudzivirira moto.

FAQ

Ndezvipi zvinhu zvikuru zvekufunga nezvazvo pakusarudza pakati pemhangura nendarira yekumhara mavharuvhu?

Ongorora mamiriro ezvakatipoteredza, kushushikana kwemagetsi, uye bhajeti. Brass inokodzera nharaunda dzakadzorwa, nepo bhuronzi ichikunda mukushushikana kwakanyanya kana corrosive marongero.

Ko corrosion resistance inosiyana sei pakati pendarira nebronze?

Brass inodzivisa ngura mumamiriro epakati. Bronze inopa kupikisa kwepamusoro, kunyanya munzvimbo dzemugungwa kana maindasitiri, nekuda kwekuumbwa kwayo kwakasimba.

Mavharuvhu ekumhara endarira anodhura zvakanyanya kupfuura bronze?

Ehe, brass inowanzo tengeka zvakanyanya nekuda kwekuumbwa kwayo uye machinability. Nekudaro, kusimba kwebronze kunogona kuderedza mutengo wekutsiva kwenguva refu mukukumbira maapplication.