Munzvimbo yehuni dzemaindasitiri dzakanyanya kupisa (senge simbi dzekugadzira simbi, ladles, uye blast furnaces),magnesium carbon zvidhinhamira pachena seyakakosha refractory zvinhu, nekuda kwekupokana kwavo kwekuora, kugadzikana kwepamusoro-tembiricha, uye kupisa kwekuvhunduka. Kugadzirwa kwezvidhinha izvi kusanganiswa kwakasimba kwe tekinoroji uye kurongeka-nhanho imwe neimwe inosarudza zvakananga chigadzirwa chekupedzisira. Pazasi, tinokutora iwe kuburikidza neyakakwana yekugadzira mafambiro ekugadzira magnesium kabhoni zvidhinha, tichiratidza maitiro atinoita kuti zvidhinha zvese zvinosangana nemaindasitiri-giredhi zviyero.
1. Raw Material Sarudzo: Iyo Nheyo Yemhando yepamusoro Magnesium Carbon Bricks
Hunhu hwezvakagadzirwa mutsara wekutanga wekudzivirira kune magnesium kabhoni zvidhinha kuita. Isu tinoomerera kune yakasimba yekusarudzwa maitiro kuti ive nechokwadi chekuti chikamu chimwe nechimwe chinosangana nemhando yepamusoro:
High-Purity Magnesia Aggregate:Isu tinoshandisa magnesia yakasanganiswa kana sintered magnesia ine MgO yemukati inopfuura 96%. Ichi chinyorwa chinopa chidhinha nekusimba kwepamusoro-tembiricha yekudzivirira uye kusagadzikana nekuora, zvinobudirira kutsungirira kukukurwa kwesimbi yakanyungudutswa uye slag muvira.
Yepamusoro-Giredhi Carbon Source:Natural flake graphite ine kabhoni ye90%+ inosarudzwa. Chimiro chayo chakaturikidzana chinosimudzira chidhinha chekupisa kuvhunduka, kuderedza njodzi yekutsemuka nekuda kwekukurumidza kuchinja kwekushisa panguva yekushanda kwechoto.
Premium Binder:Phenolic resin (yakagadziridzwa nekuda kwekupisa kwepamusoro) inoshandiswa sebinder. Inochengetedza kubatana kwakasimba pakati pemagnesia negraphite, ichidzivirira kuvhuvhuta kana kuora pakupisa kwakanyanya, izvo zvingakanganisa kutendeka kwezvidhinha.
Trace Additives:Hushoma hwe antioxidants (senge aluminium poda, silicon poda) uye sintering aids inowedzerwa kudzivirira graphite oxidation uye kunatsiridza density yezvidhinha. Zvese zvigadzirwa zvinopinda 3 kutenderera kwekuyedzwa kwekuchena kubvisa tsvina inogona kunetesa mashandiro
2. Kupwanya uye Granulating: Yakanyatso Particle Saizi Kudzora kune Uniform Chimiro
Uniform particle size distribution ndiyo kiyi yekuve nechokwadi chekuwanda uye kusimba kwemagnesium kabhoni zvidhinha. Iyi nhanho inotevera yakasimba tekinoroji paramita:
Crushing process:Chekutanga, magnesia mabhuroko makuru uye graphite zvinopwanyika kuita zvidimbu zvidiki uchishandisa mabreaker eshaya uye anopwanya. Iyo yekupwanya kumhanya inodzorwa pa20-30 rpm kudzivirira kupisa uye kukuvadza kune yakaomeswa chimiro.
Kuongorora uye Classification:Zvishandiso zvakapwanyika zvinoongororwa kuburikidza neakawanda-layer vibrating screens (ane mesh saizi ye5mm, 2mm, uye 0.074mm) kuti azvipatsanure kuita akakoshera aggregates (3-5mm), epakati aggregates (1-2mm), akakwana aggregates (0.074-1mm), uye ultrafine powders (<07mm). Iyo particle size kukanganisa inodzorwa mukati me ± 0.1mm
Granule Homogenization:Zvikamu zvakasiyana-siyana zvakasanganiswa mumusanganiswa wepamusoro-kumhanya kwemaminetsi gumi-15 pakukurumidza kwe800 rpm. Izvi zvinovimbisa kuti batch yega yega yegranules ine chimiro chakafanana, ichiisa hwaro hwekuwanda kwezvidhinha zvakafanana.
3. Kusanganisa uye Kukanya: Kuwana Kubatana Kwakasimba Pakati peZvikamu
Iyo yekusanganisa uye yekukanya nhanho inotaridza kusimba kwekubatana pakati pezvigadzirwa. Isu tinoshandisa advanced double-helix mixers uye tinyatso kudzora mamiriro ekuita:
Pre-Mixing yeDry Materials:Coarse, medium, and fine aggregates anotanga asanganiswa akaoma kwemaminetsi mashanu kuti ave nechokwadi chekugovaniswa kwechikamu chimwe nechimwe. Iyi nhanho inodzivirira kusangana kwekabhoni kana magnesia, izvo zvinogona kukonzera kusiyana kwekuita
Kuwedzera Binder uye Kneading:Modified phenolic resin (inopisa kusvika 40-50 ℃ kuti ive nani fluidity) inowedzerwa kune yakaoma musanganiswa, inoteverwa ne20-25 maminetsi ekukanya. Kupisa kwemusanganisi kunochengetwa pa55-65 ℃, uye kudzvanywa kunodzorwa pa 0.3-0.5 MPa-izvi zvinoita kuti binder inoputira zvizere chikamu chimwe nechimwe, ichigadzira yakagadzikana "magnesia-graphite-binder" chimiro.
Consistency Testing:Mushure mekukanya, kusangana kwemusanganiswa kunoedzwa maminetsi ega ega. Iyo yakakodzera kuenderana ndeye 30-40 (yakayerwa neyakajairwa kuenderana mita); kana yakanyanya kuoma kana kunyorova, iyo binder dosage kana nguva yekukanya inogadziriswa munguva chaiyo.
4. Press Kugadzira: Yakakwira-Kudzvanywa Kuumbwa kweDensity uye Simba
Kugadzira Press ndiyo nhanho inopa magnesium kabhoni zvidhinha chimiro chavo chekupedzisira uye inova nechokwadi chepamusoro density. Isu tinoshandisa otomatiki hydraulic presses ine chaiyo yekumanikidza control:
Kugadzirira Mold:Yakagadzirirwa simbi molds (maererano nezvinodiwa nevatengi pakukura kwezvidhinha, senge 230 × 114 × 65mm kana saizi-yakasarudzika) inocheneswa uye yakaputirwa nemumiriri wekuburitsa kudzivirira musanganiswa kuti usanamatira kuforoma.
High-Pressure Pressing:Iyo yakakanyiwa musanganiswa inodururwa muforoma, uye iyo hydraulic press inoshandisa kumanikidza kwe30-50 MPa. Iyo yekutsikirira kumhanya inoiswa ku 5-8 mm / s (inononoka kudzvanya kubvisa mabhubhu emhepo) uye inobatwa kwe3-5 masekonzi. Iyi nzira inoita kuti huzhinji hwezvidhinha husvike 2.8-3.0 g/cm³, ine porosity isingasviki 8%.
Demolding uye Kuongorora:Mushure mekudzvanya, zvidhinha zvinogadziriswa otomatiki uye zvinotariswa kune kuremara kwepamusoro (sekutsemuka, mipendero isina kuenzana). Zvidhinha zvine hurema zvinorambwa pakarepo kuti zvisapinde muchirongwa chinotevera
5. Kurapa Kupisa (Kurapa): Kuvandudza Binder Bonding uye Kugadzikana
Kurapa kwekupisa (kuporesa) kunosimbisa binder's bonding effect uye inobvisa zvinhu zvinoputika kubva pazvidhinha. Isu tinoshandisa tunnel kilns ine chaiyo tembiricha yekudzora:
Stepwise Heating: Zvidhinha zvinoiswa muchoto chekugezera, uye tembiricha inosimudzwa nhanho :
20-80℃ (maawa maviri):Evaporate pamusoro hunyoro;
80-150 ℃ (4 maawa):Kurudzira resin yekutanga kurapwa;
150-200 ℃ (maawa matanhatu):Yakazara resin kuyambuka-kubatanidza uye kurapa;
200-220 ℃ (maawa matatu):Gadzirisa chimiro chezvidhinha.
Mwero wekudziya unodzorwa pa10-15 ℃/awa kudzivirira kutsemuka nekuda kwekushushikana kwekupisa.
Volatile Substance Removal:Munguva yekurapa, zvinhu zvinoputika (zvakadai sediki-morekuru resins) zvinoburitswa kuburikidza nechoto chekupisa, kuve nechokwadi chekuti mukati mezvidhinha chimiro chakasimba uye chisina voids.
Kutonhodza Maitiro: Mushure mekurapa, zvidhinha zvinotonhodzwa kusvika mukamuri tembiricha pamwero we20 ℃/awa. Kukurumidza kutonhora kunodzivirirwa kudzivirira kupisa kwekuvhunduka kukuvadzwa
6. Post-Processing uye Quality Inspection: Kuve nechokwadi chekuti Brick Yese Inosangana neMitemo
Nhanho yekupedzisira yekugadzira inotarisa pakurongeka uye kuomarara kwemhando yekuyedza kuona kuti yega yega magnesium kabhoni zvidhinha inosangana nezvinodiwa zvemaindasitiri:
Kukuya nekucheka:Zvidhinha zvine mipendero isina kuenzana zviri pasi uchishandisa CNC kugaya michina, kuve nechokwadi chekuti mhosho yedimensional iri mukati me ± 0.5mm. Zvidhinha zvine chimiro chakasarudzika (senge zvidhinha zvakaumbwa nearc zvevashanduri) zvinogadziriswa pachishandiswa 5-axis machining centers kuti ienderane nechoto chemukati chemadziro curve.
Yakazara Hunhu Kuyedzwa:Boka rega rega rezvidhinha rinoita 5 miyedzo yakakosha:
Density uye Porosity Test:Uchishandisa nzira yeArchimedes, ita shuwa kuwanda kwehuwandu ≥2.8 g/cm³ uye porosity ≤8%.
Compressive Strength Test:Edza simba rekumanikidza rezvidhinha (≥25 MPa) uchishandisa muchina wekuyedza wepasirese
Thermal Shock Resistance Test:Mushure me10 kutenderera kwekudziya (1100 ℃) uye kutonhora (tembiricha yekamuri), tarisa kune makatsemuka (hapana kuputika kunooneka kunobvumidzwa).
Corrosion Resistance Test:Tevedzera mamiriro echoto kuti uedze kuramba kwezvidhinha pakunyungudutswa kweslag (mwero wekunyungudika ≤0.5mm/h).
Chemical Composition Analysis:Shandisa X-ray fluorescence spectrometry kuona zvirimo zveMgO (≥96%) uye kabhoni yemukati (8-12%).
Packaging uye Kuchengeta:Zvidhinha zvinokodzera zvinoiswa mumakatoni-asingapindi hunyoro kana mapallets emapuranga, ane firimu rinoratidza hunyoro rakaputirwa pazviri kudzivirira kunyura kwehunyoro panguva yekufambisa. Pakeji yega yega yakanyorwa nenhamba yebatch, zuva rekugadzira, uye chitupa chekuongorora chemhando yekuteedzera
Sei Kusarudza Yedu Magnesium Carbon Bricks?
Yedu yakasimba yekugadzira maitiro (kubva pakusarudzwa kwezvinhu zvakasvibirira kusvika kumashure-kugadzirisa) inovimbisa kuti yedu magnesium kabhoni zvidhinha zvine mashandiro akanaka kwazvo mumavira ekupisa emaindasitiri. Zvingave zvekuchinja simbi, ladles, kana zvimwe zvekupisa zvakanyanya, zvigadzirwa zvedu zvinogona:
Kushingirira tembiricha inosvika 1800 ℃ pasina kupfava kana deformation
Ramba simbi yakanyungudutswa nekukukurwa kweslag, uchiwedzera hupenyu hwebasa rechoto ne30%+.
Deredza gadziriso frequency uye mutengo wekugadzira kune vatengi
Isu tinopa zvakagadziridzwa zvigadziriso zvinoenderana nerudzi rwechoto chako, saizi, uye mamiriro ekushanda. Bata nesu nhasi kuti udzidze zvakawanda nezve yedu magnesium kabhoni yekugadzira zvidhinha maitiro kana kuti uwane yemahara quote!
Nguva yekutumira: Oct-29-2025
