Magnesium sulfate heptahydrate, inozivikanwawo se sulphobitter, munyu unovava, cathartic munyu, Epsom munyu, kemikari formula MgSO4 · 7H2O), yakachena kana isina ruvara acicular kana oblique columnar crystals, inonhuhwirira, inotonhorera uye zvishoma inovava.Mushure mekupisa kwekupisa, mvura yecrystalline inobviswa zvishoma nezvishoma kune anhydrous magnesium sulfate.Inonyanya kushandiswa mukugadzira fetiraiza, dehwe, kudhinda uye dhayi, catalyst, papermaking, mapurasitiki, porcelain, pigments, machisi, zvinoputika uye zvinhu zvinopisa moto.Inogona kushandiswa kudhinda uye kudhaya mucheka mutete wedonje uye silika, sechinhu chinorema chekotoni sirika uye filler yekapok zvigadzirwa, uye inoshandiswa seEpsom munyu mukurapa.
Zvinhu zvenyama:
Chitarisiko uye zvivakwa: ndeye rhombic crystal system, yemakona mana granular kana rhombic crystal, isina ruvara, yakajeka, yakaunganidzwa kune chena, rose kana girini girazi kupenya.Chimiro chine fibrous, acicular, granular kana poda.Kusanhuwa, kuravira kuvava.
Solubility: Inonyungudika zviri nyore mumvura, inonyungudika zvishoma mu ethanol uye glycerol.
Chemical properties:
Kugadzikana: Kugadzikana mumhepo ine hunyoro pasi pe48.1 ° C. Zviri nyore kugara mumhepo inodziya uye yakaoma.Kana yakakwira kupfuura 48.1 ° C, inorasikirwa nemvura ine crystalline uye inova mashiripiti sulfate.Panguva imwecheteyo, magnesium sulfate inonaya.Pa 70-80 ° C, inorasikirwa ne 4 crystal mvura, inorasikirwa ne5 crystal mvura pa 100 ° C, uye yakarasikirwa ne 6 crystal mvura pa 150 ° C. Pa 200 ° C Magnesium - semvura sulfate, zvinhu zvakasvibiswa zvinoiswa mumhepo ine hunyoro. kunwa zvakare mvura.Mumushonga wakazara we magnesium sulfate, mvura-yakasanganiswa crystalline ine 1, 2, 3, 4, 5, 6, uye 12 mvura inogona kuva crystal.Mu -1.8 ~ 48.18 ° C saturated aqueous solution, magnesium sulfate inonaya, uye mumvura yakasviba yemvura ye48.1 kusvika 67.5 ° C, magnesium sulfate inonaya.Kana yakakwira kupfuura 67.5 ° C, magnesium sulfate inonaya.Kunyungudika kwekunze pakati pe ° C uye magnesium sulfate yeshanu kana ina yemvura sulfate yakagadzirwa.Magnesium sulfate yakashandurwa kuita magnesium sulfate pa106 ° C. Magnesium sulfate yakashandurwa kuita magnesium sulfate pa122-124 ° C. Magnesium sulfate inoshandura kuita magnesium sulfate yakagadzikana pa161 ~ 169 ℃.
Muchetura: Muchetura
PH kukosha: 7, Neutral
Main Application:
1) Munda wekudya
Semumiriri wekusimbisa chikafu.mitemo yenyika yangu inogona kushandiswa kune zvigadzirwa zvemukaka, nehuwandu hwe3 kusvika ku7g / kg;huwandu hwekushandiswa mukunwa zvinwiwa uye zvinwiwa zvemukaka i1.4 ～ 2.8g/kg;iyo yakanyanya kushandiswa muzvinwiwa zvicherwa ndeye 0.05g/kg.
2) Industrial field
Inonyanya kushandiswa nekarusiyamu munyu yewaini amai vemvura.Kuwedzera ku4.4g/100L mvura kunogona kuwedzera kuomarara ne1 degree.Kana ikashandiswa, inogona kuburitsa kuvava uye kuburitsa hwema hwehydrogen sulfide.
Inoshandiswa se toni, zvinoputika, kugadzira mapepa, porcelain, fetiraiza, uye zvekurapa oral laxes, nezvimwewo, mineral water additives.
3) Munda wekurima
Magnesium sulfate inoshandiswa mufotereza mune zvekurima nekuti magnesium chimwe chezvinhu zvikuru zvinoumba chlorophyll.Zvirimwa zvezvirimwa zvehari kana magnesium zvinowanzoshandiswa, zvakadai sematomatisi, mbatatisi, roses, etc. Magnesium sulfate ine chiyero chepamusoro chekunyungudika kana ichienzaniswa nemamwe mafetireza.Magnesium sulfate inoshandiswawo semunyu wekugezera.
Kugadzirira nzira:
1) Nzira 1:
Sulfuric acid inowedzerwa kune yakasikwa magnesium carbonate (magnesite), carbon dioxide inobviswa, yakagadziriswazve, Kieserite (MgSO4 · H2O) inonyungudutswa mumvura inopisa uye yakagadziridzwa, yakagadzirwa kubva mumvura yegungwa.
2) Nzira 2 (Mvura yegungwa leaching nzira)
Mushure mekunge brine yanyungudutswa nenzira yebrine, kupisa kwakanyanya kwemunyu kunogadzirwa, uye kuumbwa kwayo MgSO4>.30 muzana.35%, MgCl2 inenge 7%, KCl inenge 0.5%.Iyo inovava inogona kubatwa neMgCl2 mhinduro ye200g/L pa48℃, ine mhinduro shoma yeNaCl uye yakawanda MgSO4 mhinduro.Mushure mekuparadzaniswa, iyo isina kuchena MgSO4 · 7H2O yakagadziriswa nekutonhodza pa10 ℃, uye chigadzirwa chakapedzwa chakawanikwa nechipiri recrystallization.
3) Nzira 3 (Sulfuric acid nzira)
Mune neutralization tangi, iyo rhombotrite yakawedzera zvishoma nezvishoma mumvura uye amai doro, uye yakazogadziriswa ne sulfuric acid.Ruvara rwakashanduka kubva paruvara rwenyika kuenda kutsvuku.Iyo pH yaidzorwa kuBe 5, uye hukama hwehukama hwaive 1.37 ~ 1.38 (39 ~ 40° Be).Iyo neutralization solution yakasefa pa80 ℃, ipapo pH yakagadziridzwa kuita 4 ne sulfuric acid, makristasi embeu akakodzera akawedzerwa, uye akatonhodzwa kusvika ku30 ℃ kuitira crystallization.Mushure mekuparadzana, chigadzirwa chakapedzwa chinoomeswa pa50 ~ 55 ℃, uye doro raamai rinodzoserwa kune neutralization tank.Magnesium sulfate heptahydrate inogonawo kugadzirwa nekuita neutralizing reaction ye low concentration sulfuric acid ine 65% magnesia mumomorrhea kuburikidza nekusefa, kunaya, kuisa pfungwa, crystallization, centrifugal kupatsanurwa uye kuoma, inogadzirwa nemagnesium sulfate.
Reaction kemikari equation: MgO+H2SO4+6H2O→MgSO4·7H2O.
Chengetedzo yezvifambiso:Kurongedzerwa kunofanirwa kunge kwakazara paunenge uchitakura, uye kurodha kunofanirwa kuve kwakachengeteka.Panguva yekufambisa, ita shuwa kuti mudziyo haufanire kudonha, kudonha, kudonha kana kukuvara.Izvo zvinorambidzwa zvachose kusanganiswa neasidhi uye makemikari anodyiwa.Panguva yekufambisa, inofanirwa kuchengetedzwa kubva kuzuva, kunaya uye tembiricha.Motokari inofanira kunyatsocheneswa mushure mekufambisa.
Operation precautions:Kuvhara kushanda uye kusimbisa mhepo.Mushandi anofanira kunyatsotevedzera maitiro ekushanda mushure mekudzidziswa kwakakosha.Zvinokurudzirwa kuti vashandisi vapfeke masiki eguruva ekuzvidzivirira, magirazi ekudzivirira emakemikari, kupfeka zvipfeko zvebasa zvinopinda muchetura, uye magurovhosi erabha.Dzivisa guruva.Dzivisa kusangana nemaasidhi.Chiedza uye zvishoma bvisa kurongedza kudzivirira kurongedza kubva kukuvara.Akashongedzerwa nemichina yekurapa yekukurumidzira inodonha.Zvigaba zvisina chinhu zvinogona kuva zvisaririra zvinokuvadza.Kana iyo huruva mumhepo yadarika mwero, isu tinofanirwa kupfeka yekuzvibvisa-suction sefa guruva mask.Kana kununurwa kwekukurumidzira kana kubuda, kupfeka anti-virus masks kunofanirwa kupfekwa.
Kuchengetedza:Kuchengeterwa muimba inotonhorera inofefetera.Gara kure nemoto nekupisa.Chengetedza zvakasiyana kubva kune asidhi uye dzivirira kusanganiswa kuchengetedza.Nzvimbo yekuchengetera inofanirwa kunge yakashongedzerwa nezvinhu zvakakodzera kuti ive nekudonha.
Kutakura: 25KG/BAG
Nguva yekutumira: Kubvumbi-10-2023