Chii chinonzi letractory yefazle?

Iro zita reiyo Refractory rinobva kubasa rayo - izwi rekuti "izwi" rinorondedzera basa rayo senzira yekunyungudika, nepo "Refractory" inosimbisa kusimba kwayo munzvimbo dzakasimba. Maererano nekushandiswa kwayo kwakananga, mazita ekudzora anogona kukamurwa mumhando dzakawanda, dzakadai seyekumusoro mavara, akadzika mavara, etcer.

Chii chinonzi letractory yefazle?

Refractory Nozzle chigadzirwa cheRefrector chinoshandiswa kune yakakwirira-tembiricha simbi (yakaumbwa simbi yekudzora, yakaiswa mumhepo yekubuda kweiyo metallurgicicicicicicicicicicic (serding sights ye metallurgicicicicicicicicicial)

Iyo inovimbisa kugadzikana uye kuchengetedzeka kwekunyemwerera uye kukanda maitiro nekudzora nenzira chaiyo yekuyerera, kuyerera kuyerera uye kuyerera kwenzira yekuyungudika. Refractor's nozzles haingodi kumira zvakanyanya tembiricha (kazhinji dzinopfuura 1500 ° C), asi zvakare inofanirwa kudzivisa kuumbwa kwemakemikari, uye yekukuvara kwekutyisa, uye yekukuvara kwekuvhundutsa kubva pakunyungudika uye slag.

Kuumbwa uye Zvishandiso zveRefractor's Nozzles

Iko kuita kweiyo Refractor Nozzles kunoenderana zvakananga pane kwavo sarudzo uye dhizaini. Izvi zvinotevera zvinhu zvaro zvakakosha uye hunhu hunhu:

1. Zvigadzirwa Zvikuru

Aluminium kabhoni (Al₂o₃-c): Yakakwirira-Chality Alumina (Al₂o₃) inoshandiswa sechinhu chikuru, chakadai (chakadai chakawedzerwa) chinowedzera kuwedzeredza kupokana nekuparadza kuramba. Aluminium kabhoni mhou dzinoshandiswa zvakanyanya mumatehwe uye tundishes, uye dzakakodzera kukanda carbon simbi.
Aluminium Zirconium Carbon (Al₂o₃-Zro₂-Zro₂-C): Zirconium Oxide (ZIRCONOUM CARBON YOKUSHANDA KUKOSHESA KWAKAITWA KWEMAHARA
High-Alumina: ine High-Alumina Bauxite seyakakura zvinhu zvekushandisa, zvakakodzera kuti zvishaikwa-zvinodiwa kabhoni kana kujairika carbon simbi yekukanda, uye ine mutengo wakaderera.
Magnesium-kabhoni (MGO-C): Nemagnesium oxide (MGO) seMatrix, Carbon Zvigadzirwa zvinowedzerwa, zvakakodzera kune yakakwirira-alkalinity nzvimbo yekusagadzikana kana yakanangana simbi mamakisi.
Fambisa Quarz: Inoshandiswa kukanda mamwe madhiri-kabhoni simbi kana vasingamiriri vebrous, ine yakanaka yekuvhunduka yekuvhundutsa, asi isina kusimba kurwisa kupokana.
Zvigadzirwa zveyamota: akadai seyakajaira nozzles ne zirconium oxide core uye yakakwira-aluminium kunze kwechigadzirwa, kusanganisa zvakanakira zvinhu zvakasiyana kuti uwedzere kuita.

2. Chimiro dhizaini

Refractory Nozzleskazhinji cylindrical kana conical, ine chaiyo yekuyerera manhamba mukati (yakashongedzwa kazhinji ndeye 10-100 mm) kudzora iyo inonyungudika kuyerera. Mamwe manhamba (akadai seyemersion nozzles) akagadzirwa nemhando dzakasarudzika, dzakadai sedanda maburi kana elliptical zvisviniro zvekuparadzaniswa kwemunda wetsiva yakanyungudutswa mune crystallizer. Iyo yekunze denderedzwa inogona kuve yakafukidzwa nesimbi simbi (senge simbi sleeve) yekuwedzera simba simba uye kudzivirira iyo yekudzivirira yekuvhundutsa.

3. Zvekuita zvinowedzera

Kuvandudza mashandiro, zvinotevera zvinowedzera zvinowanzowedzerwa kune Refractor's Nozzles:

Antioxidants: yakadai sesiriki (si) uye aluminium (al) poders, kudzivirira kabhoni zvinhu kubva kune oxidizing pakupisa kwakanyanya.

STabilizer: akadai senzombe senge calcium (Cao) uye magani (mgo), kuti asimudzire kuhwina kuvhundutsa uye kupokana.

Binders: sesvono uye asphalt, kuvandudza simba rekuumba uye yakakwirira-tembiricha kugadzikana.

Mabasa eRefractory Nozzles

Refractory Nozzles anoita akawanda mabasa makuru mune yakakwira-tembiricha metallurgical maitiro:

1. Kuyerera kutonga

Refractory Bozzles chaiyo kudzora huwandu hwekuyerera uye kuyerera kwenyunguduke kuburikidza nehukuru uye chimiro chemukati mavo emukati manhamba. Semuenzaniso, mukuenderera mberi kwekukanda maitiro, iyo yakajeka-yakaderera inoshanda pamwe neiyo yekutsvedza yehurongwa hwekugadzirisa iyo iyo simbi yakanyungudutswa kuti udzivise kuremara kunokonzerwa nekutsanya kana kunonoka.

2. Dzivirira iyo Melt

Chinyorwa chakavanzika chinopinda mukati mekristiya kuti udzivirire mhepo yakanyungudutswa kubva kumhepo, kuderedza oxidation uye inclionusision yekuumbwa, uye kuvandudza kunaka kweBillet. Uye zvakare, kugadzirwa kwakatsiga kwemadziro emukati kweiyo notzle kunogona kuderedza mhirizhonga mukuyerera kuyerera uye kuderedza njodzi yekusagadzikana kwekusagadzikana.

3. Kupisa kwakanyanya uye kupesana kupokana

The theRefractory Nozzleinoda kutsungirira kukanganiswa kwesimbi yakanyungudutswa kana kuonda pa15000000 ° C. Kugadziridza kukuru uye kupokana kwekuramba kwezvinhu zviri pachena kuti inoramba ichisungirirwa panguva yekukanda kakawanda uye inowedzera hupenyu hwebasa.

4. Thermal shock kugadzikana

Kana munyengeri wacho wakatsiviwa kana kuti kukanda kunotangwa uye kumiswa, ruzha ruchanzwa shanduko yakapinza yakapinza. High-mhando Refractor's nozzles inoderedza njodzi yekupisa yekuvhundutsa yekuvhundutsa nekugadzirisa zvinhu zvinoumbwa uye kugadzirwa kwechimiro.

5. Dzivirira kuvhara

Kune yakakwirira-aluminium simbi kana calcium-ine simbi, alumina inclusions inogona kugadzirwa mune yakanyungudutswa simbi, ichikonzera clogle clogging. Refractory Bowzles anowanzo shandisa zvinhu zveAnti-Despossion zvine cao) kuti udzivise kuganhurira zvinhu zvakanyungudika (senge cao · al₂o₃).

Minda yekushandisa yeFegritactor Nozzles

Refractory Nozzles inoshandiswa zvakanyanya muminda inotevera:

1. Simbi uye STEEL Metallurgy

Rwendo: Iyo yepamusoro uye yakaderera mazwi anoshandiswa pazasi pechirevo, uye shandira pamwe neiyo inotsvedza system yekudzora kuyerera kwesimbi yakanyungudutswa kune tundish.
Tundish: Iyo yekuunganidza nozzle uye iyo isina kunyorwa nozzle inoshandiswa kuchinjisa yakanyungudutswa simbi kubva kune tundish kune crystallizer yekuenderera mberi kwekukanda.
Converter uye magetsi echira: Refractory's nozzle inoshandiswa kuti simbi yekubuda kuti isimbise kugumisa kwekushisa kwesimbi yakanyungudutswa simbi uye slag.

2.

Mukunyemwerera kweasina-kushungurudzika simbi senge aluminium, ndarira, uye magapure, Refractor's nolzles inoshandiswa kutapurirana uye kutapudza, sekutambisa mvura muAluminium Alloy casting.

3. Girazi uye Ceramic Indasitiri

Refractor's nozzles inoshandiswa kune iyo yekuyerera kudzora kwegirazi rakakwira kana rekirakina yekunyungudika, uye inofanirwa kuve yakanyanya kukoshesa kupesana nekugadzikana kwemukati.

4. Mamwe maindasitiri akakwira

Semaruva emarara, makemikari akakwirira-tembiricha nhau, nezvimwewo, Refractory nozzles anoshandiswa kudzora kuraswa kana kutapurirana kwemvura yakakwirira-tembiricha.

Production maitiro eRefractor's Nozzles

Iko kugadzirwa kweiyo Refractor's Nozzles kunosanganisira maitiro mazhinji akaenzana kuti ave nechokwadi chekuti kuita kwavo kunosangana nemaindasitiri zviyero:

1. Raw zvinyorwa zvekusarudza uye zvinongedzo
Sarudza yakakwirira-chaivelity alumina, zirconium oxide, graphite uye zvimwe zvinhu zvisina mwaka, uye zvakanyatso kudzora zvinhu zvisina tsvina. Wedzera antioxidants, mabhesi, etc. Maererano neformula ratio uye sanganisa zvisina mwero.

2. Kuumbwa
Shandisa Isostatic Pressing kana yakakwirira-kumanikidza kuumba tekinoroji kuve nechokwadi chekuti chimiro chehusiku chakasimba uye chinoyerera chiteshi chaicho. Mamwe emabhuru (akadai sekunyudzwa kwemavara) anofanirwa kuumbwa mumhando dzakaomarara nekunyatsoumba mold.

3. Kutadza
Kuchinjisa pakupisa kwakanyanya (1400-1800 ° C) mune okisijeni-yemahara-yemahara kana ekudzivirira (senge nitrogen) inosimbisa simba uye inowedzera simba rekuvhunduka. Zvimwe zvigadzirwa zvinoshandisa sekondari kuchinjisa kana kupisa kurapwa kuti uwedzere kuwedzeredza kuita.

4. Kurapa kwepamusoro
Pukuta iyo inoyerera chiteshi kana kushandisa anti-adhishon layer (yakadai se zro₂ inovandudza) kuvandudza kupesana kwecorosion uye fluidity. Iyo yekunze denderedzwa inogona kuve yakafukidzwa nesimbi simbi kana anti-oxidation kurapwa.

5. Kuongorora Kwemhando
Iyo porosity, tracks uye dimensional kurongeka kweiyo notzle inotariswa nemaitiro asiri ekuparadza ekuedza senge x-rays uye ultrasound. Iyo yekugadzirisa maitiro uye kurwisa kupokana kunogadziriswa neLaboratori Simulation bvunzo.

Zvakanakira zve Refractor's Nozzles

Iko kushanda kwakakura kweiyo Refractor's nozzles mune yakakwirira indasitiri inobva pane zvayo zvinotevera:

Yakanyanya kujaira: Yakakwirira-mhando zvinhu uye maitiro anoona kuti iyo yemazwi inogona kushandiswa kwenguva yakareba munzvimbo dzakanyanyisa, uye hupenyu humwe hunogona kusvika maawa akati wandei kumazuva akati wandei.
Precise Kudzora: Iyo chaiyo yeiyo Flow Channel dhizaini inovimbisa kugadzikana kweiyo chinyamende kuyerera uye kunovandudza chigadzirwa mhando.
Kuparadzira kupokana: Iyo ine simba rakasimba kumakemikari erosion uye michina yekukwira yesimbi yakanyungudutswa uye slag, kuderedza mari yekuchengetedza.
Thermal Shock Stability: Iyo yakarongedzwa zvinhu zvekutarisa inoderedza njodzi yekupisa yekuvhundutsa uye inoshandura kune izvo zvibodzwa zvinodiwa zvekutanga kwekutanga.
Designs Design: Mazwi emhando dzakasiyana uye dzidziso dzakasiyana dzinosangana zvakasiyana-siyana zvinodiwa uye zvine huwandu hwakawanda hwekushandisa.

Sezvo chikamu chepakati chenhaurwa yepamusoro-tembiricha, Refractory nozzle inobatanidza mabasa mazhinji senge ekudziya kwakanyanya, kupesana nekudzora uye kuyerera. Icho chinonyanya kukosha "kumashure-kumashure-zviyero