Yawancin albarkatun kayan da ake cirewa suna cikin kayan bismuth ba na filastik ba, kuma yana da wahala a sarrafa su zuwa samfuran da aka kammala da kansu.Don haka, ya zama dole a yi amfani da abin ɗaure na halitta na waje ko abin ɗaure mai ɗaure da inorganic ko haɗaɗɗen ɗaure.A daban-daban na musamman refractory albarkatun kasa suna hõre m da kuma daidai batching yin laka abu tare da uniform barbashi rarraba, uniform ruwa rarraba, wasu plasticity da sauki forming da Semi kammala kayayyakin.Wajibi ne a yi amfani da tsarin samarwa tare da inganci mai kyau, tasiri mai kyau da haɗuwa mai dacewa.
(1) Daidaita barbashi
Za a iya yin billet (laka) zuwa samfur tare da mafi girman girma ta zaɓin abin da ya dace.A bisa ka'ida, an gwada wani yanki mai girman guda ɗaya na inci daban-daban da kayan daban-daban, kuma yawancin yawa kusan iri ɗaya ne.A kowane hali, porosity ya kasance 38% ± 1%.Don haka, don ƙwallon girman girman guda ɗaya, girman girmansa da porosity ɗin sa masu zaman kansu ne daga girman ƙwallon da kaddarorin kayan, kuma koyaushe ana lissafta su cikin siffar hexagonal tare da lambar daidaitawa na 8.
Hanyar ka'idar da aka saba aiki da ita na wani yanki guda ɗaya na girman girman yana da cube, shafi mara nauyi, siffar obliquid, siffar oblide, siffar pyramidron, da kuma titramedron.Hanyoyi daban-daban na stacking na girman girman girman suna nunawa a cikin siffa 24. An nuna dangantaka tsakanin hanyar ƙaddamar da ƙwayoyin cuta guda ɗaya da porosity a cikin Table 2-26.
Don ƙara yawan yawa da yawa da kuma rage shiru barbashi mara kyau ana amfani da size size, wato, akwai wasu adadin ƙananan spere don ƙara yawan fannoni don ƙara yawan fannoni, da dangantakar tsakanin ƙarar da ke ɗauke da sararin samaniya da porosity ana nunawa a cikin tebur.2-27.
Tare da sinadarai na clinker, ƙananan ƙwayoyin cuta sune 4. 5 mm, tsaka-tsakin tsaka-tsakin shine 0.7 mm, ƙananan ƙwayoyin cuta sune 0.09 mm, kuma an nuna canjin clinker porosity na clinker a cikin Hoto 2-5.
Daga Figure 2-5, da m barbashi ne 55% ~ 65%, da matsakaici barbashi ne 10% ~ 30%, da kuma lafiya foda ne 15% ~ 30%.A bayyane porosity za a iya rage zuwa 15.5%.Tabbas, ana iya daidaita abubuwan da ke tattare da kayan haɓakawa na musamman bisa ga kaddarorin jiki da nau'in nau'in kayan.
(2) Wakilin haɗin gwiwa don samfuran refractory na musamman
Dangane da nau'in kayan haɓaka na musamman da kuma hanyar yin gyare-gyare, masu ɗaure da za a iya amfani da su sune:
(1) Hanyar grouting, danko arabic, polyvinyl butyral, hydrazine methyl cellulose, sodium acrylate, sodium alginate, da makamantansu.
(2) Hanyar matsi, gami da mai, glycols,
Polyvinyl barasa, methyl cellulose, sitaci, dextrin, maltose da glycerin.
(3) Hanyar allura mai zafi, masu ɗaure su ne: paraffin wax, beeswax, man shafawa: oleic acid, glycerin, stearic acid da makamantansu.
(4) Hanyar simintin gyare-gyare, wakili na haɗin gwiwa: methyl cellulose, ethyl cellulose, cellulose acetate, polyvinyl butyral, polyvinyl barasa, acrylic;filastik: polyethylene glycol, dioctane Phosphoric acid, dibutyl peroxide, da dai sauransu;wakili mai watsawa: glycerin, oleic acid;sauran ƙarfi: ethanol, acetone, toluene, da makamantansu.
(5) Hanyar allura, thermoplastic guduro polyethylene, polystyrene, polypropylene, acetyl cellulose, propylene guduro, da dai sauransu, na iya zafi da wuya guduro phenolic;mai mai: stearic acid.
(6) Hanyar matsi na isostatic, polyvinyl barasa, methyl cellulose, ta amfani da sulfite ɓangaren litattafan almara sharar ruwa ruwa, phosphate da sauran inorganic salts lokacin kafa pellets.
(7) Hanyar latsa, methyl cellulose, dextrin, polyvinyl barasa, sulfite ɓangaren litattafan almara sharar gida ruwa, syrup ko daban-daban inorganic salts;Sulfite ɓangaren litattafan almara sharar gida ruwa, methyl cellulose, danko arabic , dextrin ko inorganic da inorganic acid salts, kamar phosphoric acid ko phosphates.
(3) Admixtures na musamman refractory kayayyakin
Domin inganta wasu kaddarorin na musamman refractory kayayyakin, sarrafa crystal form hira na labarin, rage harbe-harbe zafin jiki na labarin, da kuma ƙara wani karamin adadin admixture a cikin kayan.Wadannan admixtures ne yafi karfe oxides, wadanda ba karfe oxides, rare earth karfe oxides, fluorides, borides da phosphates.Misali, ƙara 1% ~ 3% boric acid (H2BO3) zuwa γ-Al2O3 na iya haɓaka jujjuyawar.Ƙarin 1% zuwa 2% TiO2 zuwa Al2O3 na iya rage yawan zafin jiki (kimanin 1600 ° C).Bugu da ƙari na TiO2, Al2O3, ZiO2, da V2O5 zuwa MgO yana inganta haɓakar hatsin cristobalite kuma yana rage yawan zafin jiki na samfurin.Bugu da ƙari na CaO, MgO, Y2O3 da sauran additives zuwa ZrO2 albarkatun kasa za a iya sanya su a cikin wani cubic zirconia m bayani wanda ya tsaya daga dakin zafin jiki zuwa 2000 °C bayan high zafin jiki jiyya.
(4) Hanya da kayan aiki don haɗuwa
Hanyar hadawa bushe
Mai haɗawa mai ƙarfi mai ƙarfi mai jujjuyawar da Shandong Konyle ya samar yana da girman 0.05 ~ 30m3, wanda ya dace da haɗa foda daban-daban, granules, flakes da ƙarancin danko, kuma an sanye shi da na'urar ƙara ruwa da feshi.
2. Hanyar hadawa rigar
A cikin hanyar haɗakar rigar ta al'ada, ana sanya abubuwan da ake amfani da su na kayan albarkatu daban-daban a cikin mahaɗin duniya wanda aka sanye da layin kariya don niƙa mai kyau.Bayan an yi slurry, ana ƙara filastik da sauran abubuwan da aka haɗa don daidaita yawan laka, kuma ana cakuda cakuda sosai a cikin ma'aunin laka na tsaye a tsaye, sannan a bushe a bushe a cikin na'urar bushewa.
Na'ura mai hadewa
3. Hanyar hada filastik
Domin samar da ingantacciyar hanyar haɗaɗɗiyar ƙira don samfuri na musamman wanda ya dace da ƙirar filastik ko sludge forming.A cikin wannan hanyar, ana haɗa nau'ikan albarkatun ƙasa daban-daban, na'urori, filastik, da man shafawa da ruwa sosai a kan mahaɗin duniya, sannan a gauraya a gauraya a kan mahaɗa mai ƙarfi mai ƙarfi don cire kumfa a cikin laka.Don inganta laka na laka, ana haɗa laka tare da kayan da ba a taɓa gani ba, kuma ana sanya laka a karo na biyu akan na'urar yumbu kafin yin gyare-gyare.Koneile yana samar da ingantaccen aiki da mahaɗa masu ƙarfi kamar yadda aka nuna a ƙasa:
Inganci da ƙarfi mahaɗa
Mai haɗawa na gaba
4. Semi-bushe hanyar hadawa
Ya dace da hanyoyin haɗuwa tare da ƙananan danshi.Ana buƙatar yin amfani da hanyar haɗaɗɗen busassun busassun don samfuran refractory na musamman waɗanda na'urar ke yin su ta hanyar sinadarai masu ƙwanƙwasa (m, matsakanci da lafiya na abubuwa uku).Ana yin abubuwan da ake amfani da su a cikin mahaɗin yashi, rigar niƙa, mahaɗin duniya ko mahaɗar tilastawa.
Hanyar hadawa ita ce a fara bushewa a haɗa nau'ikan nau'ikan nau'ikan granules, ƙara maganin ruwa mai ɗauke da abin ɗaure (inorganic ko Organic), sannan a ƙara gauraye lafiyayyen foda (ciki har da taimakon konewa, wakili na faɗaɗa, da sauran abubuwan ƙari).Wakilin) yana gauraye sosai.Lokacin hadawa na gaba ɗaya shine 20 ~ 30min.Ya kamata laka da aka haɗe su hana rarrabuwa girman barbashi kuma ya kamata a rarraba ruwan daidai.Idan ya cancanta, kayan laka ya kamata a kama su da kyau yayin gyare-gyare.
Abubuwan da ke ciki na laka na samfurin da aka buga ana sarrafa su a 2.5% zuwa 4%;ana sarrafa danshi na samfurin gyare-gyaren laka a 4.5% zuwa 6.5%;kuma ana sarrafa danshi na samfurin gyare-gyaren girgiza a 6% zuwa 8%.
(1) Ayyukan fasaha na jerin CMP na mahaɗan mahaɗar duniya masu ƙarfin kuzari wanda Kone ke samarwa.
(2) Ayyukan fasaha na rigar yashi mahaɗin
5. Hanyar hada laka
Hanyar haɗewar laka shine don samar da samfuran yumbu na musamman na refractory, musamman slurry na laka don gyaran gyare-gyaren gypsum, gyare-gyaren simintin gyare-gyare da gyaran allura.Hanyar aiki ita ce haɗa nau'ikan albarkatun ƙasa daban-daban, wakilai masu ƙarfafawa, wakilai masu dakatarwa, admixtures da 30% zuwa 40% na ruwa mai tsabta a cikin injin ƙwallon ƙwallon ƙafa (mixing niƙa) tare da rufin da ba ya lalacewa, da kuma haɗuwa da niƙa bayan wani ɗan lokaci. lokaci., sanya ta zama slurry laka don gyare-gyare.A cikin aiwatar da yin laka, wajibi ne don sarrafa nauyin da kuma pH na laka bisa ga sifofin kayan aiki da kuma bukatun da aka yi da laka da kanta.
Mai haɗawa mai ƙarfi na gaba
Babban kayan aikin da ake amfani da su a hanyar hada laka shine injin niƙa, injin damfara iska, cire dattin ƙarfe, famfo laka, na'urar bushewa, da makamantansu.
6. Hanyar dumama
Paraffin da na tushen resin abubuwa ne masu ƙarfi (ko danko) a yanayin zafi na al'ada, kuma ba za a iya haɗa su a cikin zafin jiki ba, kuma dole ne a yi zafi da gaurayawa.
Ana amfani da paraffin azaman mai ɗaure lokacin amfani da aikin simintin simintin mutuƙar zafi.Domin wurin narkewar kakin paraffin yana da 60 ~ 80 ° C, ana yin zafi da kakin zuma zuwa sama da 100 ° C a cikin haɗuwa kuma yana da ruwa mai kyau.Sa'an nan kuma an ƙara ɗanyen foda mai kyau a cikin paraffin ruwa, kuma bayan da aka hade da haɗuwa sosai, an shirya kayan.Ana yin cake ɗin kakin zuma ta hanyar jefar da zafi mai zafi.
Babban kayan haɗawa don dumama cakuda shine mai zafi mai zafi.
Lokacin aikawa: Oktoba-20-2018