Strontium carbonate
Strontium carbonate chinhu chakakosha muindasitiri mbishi ine huwandu hwakawanda hwekushandisa.Iine carbonate mineral, yeboka rearagonite, iyo isingawanzoitiki uye inowanikwa mumararamiro emarara kana marlstone mumhando yevheni.Muzvisikwa, inowanzoitika muchimiro chemineral rhodochrosite uye strontite, inogarisana nebarium carbonate, barite, calcite, celestite, fluorite uye sulfide, isina kunhuhwirira uye isinganakidze, kazhinji chena nyoro kana isina ruvara rhombic crystal, kana grey, yero-chena, girinhi kana shava kana wabatwa netsvina.Strontium carbonate crystal yakaita setsono, uye muunganidzwa wayo unonyanya kuita granular, columnar, uye radioactive tsono.Chitarisiko chayo hachina ruvara, chichena, chegirinhi-yero, chine kujeka kune translucent girazi kupenya, kutsemuka kwemafuta kupenya, brittle, uye isina simba mwenje webhuruu mwenje pasi pe cathode ray.Strontium carbonate yakagadzikana, isinganyunguriki mumvura, inonyungudika zvishoma muammonia, ammonium carbonate uye carbon dioxide saturated aqueous solution, uye isinganyunguriki mudoro.Uye zvakare, strontium carbonate zvakare yakakosha mbishi zvinhu zve celestite, isingawanzo mineral sosi.Parizvino, high-grade celestite inenge yapera.
Nekuenderera mberi kwekusimudzira indasitiri yepasirese, nzvimbo yekushandisa yestrontium yakawedzerawo.Kubva muzana remakore rechi19 kusvika pakutanga kwezana rino remakore, vanhu vakashandisa strontium hydroxide kugadzira shuga uye kuchenesa beet syrup;Mukati mehondo mbiri dzenyika, makomboni estrontium akashandiswa zvakafara mukugadzirwa kwemafirework namabhomba ezviratidzo;Mumakore ekuma1920 nema1930, strontium carbonate yakashandiswa sedesulfurizer yekugadzira simbi kubvisa sarufa, phosphorus nezvimwe zvinhu zvinokuvadza;Muma1950, strontium carbonate yakashandiswa kuchenesa zinc mukugadzirwa kwe electrolytic zinc, nekuchena kwe99.99%;Mukupera kwema1960, strontium carbonate yakashandiswa zvakanyanya semagineti zvinhu;Strontium titanate inoshandiswa sechiyeuchidzo chekombiyuta, uye strontium chloride inoshandiswa semafuta e rocket;Muna 1968, strontium carbonate yakaiswa paruvara rwegirazi regirazi repaTV nekuti yakawanikwa ichishandiswa kuita zvakanaka X-ray shielding performance.Ikozvino kudiwa kuri kukura nekukurumidza uye kwava imwe yenzvimbo huru yekushandisa yestrontium;Strontium iri kuwedzerawo huwandu hwayo hwekushandisa mune mamwe minda.Kubva ipapo, strontium carbonate uye mamwe strontium makomisheni (strontium munyu) seyakakosha inorganic munyu mbishi zvinhu zvakagamuchira kutariswa kwakapararira nekutariswa.
Seyakakosha maindasitiri mbishi zvinhu, strontium carbonateinoshandiswa zvakanyanya mukugadzira machubhu emifananidzo, mamonitor, mamonitor emaindasitiri, zvinhu zvemagetsi, nezvimwe.Panguva imwecheteyo, strontium carbonate zvakare ndiyo huru mbishi yekugadzirwa kwesimbi strontium uye akasiyana strontium munyu.Mukuwedzera, strontium carbonate inogonawo kushandiswa mukugadzirwa kwemoto, girazi refluorescent, mabhomba echiratidzo, kugadzira mapepa, mishonga, analytical reagents, shuga refining, zinc metal electrolyte refining, strontium salt pigment kugadzira, nezvimwewo Nekuwedzera kudiwa kwepamusoro. -purity strontium carbonate, yakadai semaseti makuru e-screen color TV, mavara ekuratidza makomputa uye magineti epamusoro, nezvimwewo. Kugadzirwa kwezvigadzirwa zvestrontium muJapan, United States, Germany nedzimwe nyika dzakabudirira kwakaderera gore negore nekuda. kusvika pakupera kwemamineral veins, kukwira kwemitengo yesimba uye kusvibiswa kwezvakatipoteredza.Parizvino, musika wekushandisa westrontium carbonate unogona kuonekwa.
Iye zvino, isu tichasuma iyo chaiyo yekushandiswa kwestrontium carbonate:
Chokutanga pane zvose, strontium carbonate yakakamurwa kuva granular uye powdery tsanangudzo.Iyo granular inonyanya kushandiswa muTV girazi muChina, uye hupfu hunonyanya kushandiswa mukugadzira strontium ferrite magineti zvinhu, nonferrous metal smelting, red pyrotechnic heartliver uye kugadzirwa kweyakakwirira-purity strontium carbonate yemhando yepamusoro yemagetsi emhando sePTC, inonyanya kushandiswa mukugadzira girazi reTV uye girazi rekuratidzira, strontium ferrite, magineti uye nonferrous simbi desulfurization, uye inoshandiswawo mukugadzira fireworks, fluorescent girazi, Signal bhomba, kugadzira mapepa, mushonga, analytical reagent uye mbishi zvinhu zvekugadzira zvimwe. strontium munyu.
Iko kushandiswa kukuru kwestrontium carbonate mumashandisirwo emagetsi ndeiyi:
Inoshandiswa kugadzira ruvara rweterevhizheni inogamuchira (CTV) kutora maerekitironi anogadzirwa necathode
1.Kugadzira strontium ferrite yemagineti echigarire anoshandiswa mumagudzanzwi nemagineti emusuwo.
2.Kugadzirwa kwe cathode ray tube yevara TV
3.Inoshandiswawo kune electromagnets uye strontium ferrite
4.Inogona kugadzirwa kuita mota diki, magineti separators uye magudzanzwi
5.Bvisa X-rays
6.Inoshandiswa pakugadzira mamwe ma-superconductors, akadai seBSCCO, uyewo nokuda kwezvinhu zve electroluminescent.Kutanga, yakaverengerwa muSrO, uye yozosanganiswa nesarufa kuita SrS: x, apo x inowanzova europium.
Muindasitiri yeceramic, strontium carbonate inoita basa rakadaro:
1.Iyo inoshandiswa zvakanyanya sechinhu che glaze.
2.Inoita sekuyerera
3.Shandura ruvara rweimwe metal oxides.
Ehe saizvozvo,iyo inonyanya kushandiswa yestrontium carbonate yakafanana neyakachipa colorant mumafireworks.
Muchidimbu, strontium carbonate inoshandiswa zvakanyanya, kunyanya mukugadzirwa kwegirazi reTV uye girazi rekuratidzira, strontium ferrite, magineti uye nonferrous metal desulfurization nemamwe maindasitiri, kana mukugadzira mafirework, girazi refluorescent, mabhomba echiratidzo, kugadzira mapepa, mushonga. , analytical reagents uye mbishi zvinhu zvekugadzira mamwe strontium munyu.
Sekureva kwehuwandu, China ine mabhizinesi anodarika makumi maviri ari kuita strontium carbonate kugadzira, ane huwandu hwegore hwekugadzira hunosvika matani 289000, ikava mugadziri mukuru pasi rose uye mutengi wemagetsi ecarbonated, uye achitumira kune ese pasirese, achinakidzwa nemukurumbira wepamusoro. mumusika wepasi rose.Zvinoenderana nehuwandu hwetsika, China inotengeswa kunze kwestrontium carbonate mumakore achangopfuura inosvika 78700 matani muna 2003, 98000 matani muna 2004 uye 33000 matani muna 2005, inoverengera 34.25%, 36.8% uye 35,27% nyika yese. 54.7% uye 57.8% yekutengeserana kwemusika wepasirese.Celestite, iyo huru mbishi ye strontium carbonate, ishoma muchetura pasirese uye isinga vandudzwe isingawanikwi zvicherwa zviwanikwa.
Sezvatinoziva tese, strontium chinhu chakakosha chicherwa chiwanikwa chine huwandu hwakawanda hwekushandisa.Imwe yekushandiswa kwayo ndeyekugadzirisa strontium salts, yakadai se strontium carbonate, strontium titanate, nitrate, strontium oxide, strontium chloride, strontium chromate, strontium ferrite, nezvimwewo. Pakati pavo, mari yakawanda ndeyekubudisa strontium carbonate.
MuChina, yedu strontium carbonate ine imwe mukana maererano nekupa uye kugadzira.Zvinogona kutaurwa kuti tarisiro yemusika yestrontium carbonate iri kuvimbisa.
1.Complex decomposition method.
Iyo celestite yakapwanyika uye yakaitwa nesoda ash solution ye2h pakuita tembiricha ye100 ℃.Iyo yekutanga kusanganiswa kwe sodium carbonate i20%, huwandu hwesodium carbonate yakawedzerwa i110% yeiyo theoretical amount, uye particle size ye ore poda ndeye 80 mesh.Pasi pemamiriro ezvinhu aya, chiyero chekuora chinogona kusvika kupfuura 97%.Mushure mekusefa, kuwanda kwe sodium sulfate mune filtrate kunogona kusvika 24%.Rova crude strontium carbonate nemvura, wedzera hydrochloric acid seasoning slurry kusvika pH3, uye mushure me2~3h pa90~100 ℃, wedzera barium remover kubvisa barium, wozogadzirisa slurry neammonia kusvika pH6.8~7.2 kubvisa tsvina kubvisa tsvina. .Mushure mekusefa, iyo filtrate inonamira strontium carbonate neammonium bicarbonate kana ammonium carbonate solution, yozosefa kubvisa mushonga weammonium chloride.Mushure mekuomesa keke yekusefa, iyo strontium carbonate chigadzirwa inogadzirwa.
SrSO4+Na2CO3→SrCO3+Na2SO4
SrCO3+2HCl→SrCl2+CO2↑+H2O
SrCl2+NH4HCO3→SrCO3+NH4Cl+HCl
2.Marasha ekuderedza nzira.
Celestite uye marasha akapwanyika anopwanyika kuti apfuure makumi maviri meshes seyakagadzirwa, chiyero cheore kune marasha i1: 0.6 ~ 1: 0.7, yakaderedzwa uye yakagochwa pakupisa kwe1100 ~ 1200 ℃, mushure me0.5 ~ 1.0h, iyo calcined zvinhu. inonyudzwa kaviri, yakagezwa kamwe, yakanyudzwa pa90 ℃, yakanyoroveswa kwe3h nguva yega yega, uye iyo yakazara leaching rate inogona kusvika kupfuura 82%.Iyo leaching solution inosefa, iyo sefa yasara inonyudzwa nehydrochloric acid, uye strontium inodzoserwazve, uye iyo filtrate inowedzerwa nemirabilite solution kubvisa barium, Wobva wawedzera ammonium bicarbonate kana sodium carbonate solution kuita kuti igadzire kunaya kwestrontium carbonate (kana direct carbonize with carbon dioxide), wobva wapatsanura, woomesa, wogaya kugadzira strontium carbonate products.
SrSO4+2C→SrS+2CO2
2SrS+2H2O → Sr (OH) 2+Sr (HS) 2
Sr(OH)2+Sr(HS)2+2NH4HCO3→2Sr(CO3+2NH4HS+2H2O
3.Thermal solution ye strontium siderite.
Iyo strontium siderite uye coke zvinopwanyika uye zvakasanganiswa mumusanganiswa zvichienderana nereshiyo ye ore ku coke = 10: 1 (uremu reshiyo).Mushure mekugocha pa1150 ~ 1250 ℃, ma carbonates anoora kuti abudise clinker ine strontium oxide uye mamwe simbi oxides.Iyo clinker inonyudzwa nematanho matatu, uye yakanyanya tembiricha i95 ℃.Yechipiri uye yechitatu nhanho inogona leached pa.Kubata pa70-80 ℃.Iyo leaching solution inoita kuti kusangana kwe strontium hydroxide kuve 1mol / L, iyo inobatsira kupatsanurwa kwetsvina Ca2 + uye Mg2 +.Wedzera ammonium bicarbonate kune iyo filtrate ye carbonization kuti uwane strontium carbonate.Mushure mekuparadzaniswa, kuomesa uye kupwanya, iyo yakapedzwa strontium carbonate inowanikwa.
SrCO3→SrO+C02↑
SrO+H2O→Sr(OH)2
Sr(OH)2+NH4HCO3→SrCO3↓+NH3·H2O+H2O
4. Kushandiswa kwakakwana.
Kubva pamvura yepasi pevhu ine bromine uye strontium, iyo strontium ine doro raamai mushure mekubviswa kwebromine inogadziriswa neraimu, inoputika, yakanyungudutswa uye yakatonhodzwa, uye sodium chloride inobviswa, uye ipapo calcium inobviswa ne caustic soda, uye ammonium bicarbonate inowedzerwa kushandura. strontium hydroxide into strontium carbonate precipitation, yozosukurudzwa nekuomeswa kugadzira strontium carbonate products.
SrC12+2NaOH→Sr(OH)2+2NaCl
Sr(OH)2+NH4HCO3→SrCO3+NH3·H2O+H2O
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