Desiccant yakajairika muhupenyu hwezuva nezuva.Kazhinji, unogona kutenga mamwe mabhegi ezvokudya zvenzungu, ane desiccant.Chinangwa che desiccant ndechekuderedza humidity yechigadzirwa uye kudzivirira chigadzirwa kubva pakusvibiswa nehunyoro, nokudaro kukanganisa kunaka kwechigadzirwa.Ravira.Kunyange zvazvo basa re desiccant nderekutora humidity yemhepo mune chigadzirwa, musimboti wekushandisa uye zvinhu zvakasiyana.Kune marudzi maviri zvichienderana nekemesitiri uye fizikisi:
Chemical drying agent:
Calcium chloride desiccant
Calcium chloride inonyanya kugadzirwa nepamusoro-soro calcium carbonate uye hydrochloric acid semidziyo.Yakave yakanatswa ne reaction synthesis, filtration, evaporation, concentration uye kuomesa.Inowanzoshandiswa se calcium fortifier, chelating agent, kuporesa mumiririri uye desiccant mumhizha yezvokudya.Mukuwedzera, inoshandiswawo se desiccant yemagasi.Inogona kushandiswa kuomesera mativi, alkaline kana asidhi magasi uye inoshandiswa se dehydrating agent yekugadzirwa kwe ethers, alcohols, propylene resins, etc. Calcium chloride inonyanya kuve ne porous, granular kana huchi zvinhu, isina kunhuwa, inovava zvishoma, inonyungudika. mumvura uye isina ruvara.
2. Quicklime desiccant
Chinhu chayo chikuru icalcium oxide, iyo inowana kunyudzwa kwemvura nemakemikari reaction, inogona kuoma isina kwayakarerekera kana alkaline gasi, uye haidzokerike.Inonyanya kuzivikanwa ndeyekushandiswa kwema desiccants akadaro mu "snow cakes".Uye zvakare, inowanzoshandiswa mumidziyo yemagetsi, matehwe, zvipfeko, shangu, tii, nezvimwewo, asi sezvo iyo quicklime iri alkali yakasimba, inoparadza zvakanyanya, uye kana maziso evakwegura nevana akakuvadzwa zvishoma nezvishoma kuva Yakabviswa.
Physical desiccant:
Silica gel desiccant
Chinhu chikuru chinonzi silica, iyo yakacheneswa kana kuvezwa nemaminerari chaiwo.Se desiccant, chimiro chayo che microporous chine hukama hwakanaka hwemamorekuru emvura.Iyo yakanyanya kukodzera kunyura hunyoro nharaunda yesilica gel tembiricha yekamuri (20 ~ 32 ° C) uye yakakwirira humidity (60 ~ 90%), iyo inogona kuderedza hunyoro hwenharaunda kusvika ku40%.Silica gel desiccant ine hunhu hwehusina ruvara, husina kunhuhwirira uye husina chepfu, hwakagadzikana mumakemikari zvivakwa uye zviri nani mukunyorovesa kuita kwekuita.Inoshandiswa zvakanyanya mumidziyo, zviridzwa, dehwe, mikwende, chikafu, machira, midziyo uye zvichingodaro.Basa rayo ndere kudzora hunyoro hwepakati pezvakatipoteredza panguva yekuchengetedza uye kutakura kudzivirira hunyoro, mildew uye ngura.Zvakakosha kucherechedza kuti iyi ndiyo chete desiccant yakagamuchirwa muEU.
3. Clay (montmorillonite) desiccant
Chitarisiko chechimiro sebhora regrey, rinonyanya kukodzera kutorwa kwemwando munzvimbo inotevera iri pasi pe50 °C.Kana tembiricha yakakwira kupfuura 50 ° C, dhigirii ye "kusunungurwa kwemvura" yevhu yakakura kupfuura dhigirii re "kunwa kwemvura".Asi chakanakira ivhu ndechekuti harina mari.Iyo desiccant inoshandiswa zvakanyanya muhutano hwehutano, kurongedza chikafu, optical zviridzwa, zvigadzirwa zvemagetsi, zvigadzirwa zvemauto uye zvigadzirwa zvevanhu.Nekuti inoshandisa yakachena yakasikwa mbishi bentonite, ine hunhu hwekushambadza kwakasimba, kukurumidza adsorption, isina ruvara, isina chepfu, haina kusvibiswa kwezvakatipoteredza uye haina kusangana nekuora.Iyo inoshamwaridzana nemhoteredzo, isina ruvara uye isina chepfu, haina kukuvadza kumuviri wemunhu, uye ine yakanaka adsorption performance.Adsorption chiitiko, static dehumidification uye kubvisa kunhuwa.
Nguva yekutumira: Zvita-18-2020