Game da na'urar extrusion

Abubuwa shida masu ban sha'awa! Gishirin calcium carbonate yana da kyakkyawan amfani
Game dainjin extrusion:
An san sinadarin calcium carbonate, amma menene sinadarin calcium carbonate?

Gemu suna faruwa ne ta halitta ko kuma gajerun zare na roba tare da tsarin lu'ulu'u guda ɗaya, waɗanda suke ƙanana sosai a diamita ta hanyar tsari na girma (microns), suna da babban rabo na al'amari kuma gabaɗaya ana ɗaukar su a matsayin kayan lu'ulu'u mai girma ɗaya.

An ƙirƙiro ɗaruruwan gashin baki, waɗanda suka haɗa da gashin baki na ƙarfe da yawa kamar nickel da iron, gashin baki na oxide kamar MgO da ZnO, gashin baki na yumbu kamar SiC, gashin baki na boride kamar TiB2 da ZrB2, da sauran gashin baki marasa tsari da na halitta.

Wiski na calcium carbonate abu ne na roba guda ɗaya, dabarar sinadarai ita ce CaCO3, nauyin kwayoyin halitta shine 100.09, wanda CaO da CO2 suka kai kashi 56.03%, 43.97%, wurin narkewarsa shine 759 ℃, yawansa shine 2.86g/cm3. Wiski na calcium carbonate yawanci ana yin shi ta hanyar amfani da macroscopically, a cikin na'urar duba na'urar hangen nesa akwai lu'ulu'u masu kama da allura ko fibrous, tsawonsu shine 20-60 μm, gajeriyar diamita shine 0.5-1.0 μm, rabon tsayi zuwa diamita shine 20-30, suna cikin matakin aragonite.

Halayen gashin baki na calcium carbonate sun fi na sauran kayan aiki kyau idan aka yi la'akari da launin fari, juriya ga zafi da kuma juriyar lalacewa, don haka suna da kyakkyawan damar amfani da su a fannoni da dama.

Aikace-aikace a cikin robobi

Gishirin calcium carbonate yana da babban rabo na al'ada da ƙaramin girman lu'ulu'u, kusan babu nakasa a ciki, iyakokin hatsi da sauran lahani a cikin lu'ulu'u na gabaɗaya, halayen injiniya kusa da lu'ulu'u mara lalacewa, don haka za a ƙara shi zuwa ga tasirin ƙarfafa filastik a bayyane yake, yana iya inganta ƙarfi, modulus na roba da sauran kaddarorin injiniya yadda ya kamata.

Gwaje-gwaje sun nuna cewa ga polyethylene, halayen injinan gashin baki na calcium carbonate da aka cika sun fi na talc da aka cika, zaren gilashi da kuma sinadarin calcium carbonate na yau da kullun. Gashin baki na calcium carbonate yana da tasiri mai yawa akan polyethylene kuma yana da ƙarancin tasiri akan santsi na saman samfurin idan aka kwatanta da zaren gilashi.

Idan aka maye gurbin gashin baki na calcium carbonate da zare na gilashi a cikin kayan nailan, samfurin da aka samar yana da kyakkyawan ƙarewa a saman kuma ana iya amfani da haɗin wajen ƙera samfuran filastik masu inganci.

Bugu da ƙari, ba kamar sauran kayan ba, ana samun sinadarin gashin calcium carbonate a cikin yanayi mai yawa kuma yana yaɗuwa sosai. Calcium carbonate kuma yana iya yin aiki ta hanyar sinadarai tare da acid mai ƙarfi don samar da carbon dioxide da gishiri marasa tsari. Idan jiki ya shaƙa ƙaramin adadin calcium carbonate, zai ruguje ta hanyar amsawar jiki ta halitta kuma ba zai haifar da wata illa ba. Saboda haka, amfani da gashin calcium carbonate a matsayin kayan ƙarfafawa don robobi masu lalacewa ba ya haifar da gurɓataccen yanayi na biyu kuma yana iya rage gurɓataccen fari da kuma kare muhalli yadda ya kamata.

Aikace-aikace a cikin roba

Ana iya ƙara gashin calcium carbonate a cikin robar halitta a matsayin abin cikawa, amma saboda rashin kyawun haɗin mai cikewa da robar halitta, ana ƙirƙirar tasirin rashin sarari a saman. Saboda haka, ana buƙatar inganta gashin calcium carbonate. Chen Tao da sauransu sun yi amfani da Si-69, sodium stearate da titanate don inganta gashin calcium carbonate. Gwaje-gwajen sun nuna cewa gashin calcium carbonate da aka yi wa magani yana da ƙarfin saman da ya fi girma da kuma haɓaka hulɗar fuska da robar halitta, wanda zai iya taka muhimmiyar rawa wajen ƙarfafa robar halitta.

Aikace-aikace a cikin kayan gogayya

Gishirin calcium carbonate suna da juriya mai kyau ga yanayin zafi kuma ana iya amfani da su a cikin kayan gogayya don inganta juriya ga lalacewa sosai.

Li Litao ya yi amfani da gashin calcium carbonate a cikin layin birki na mota kuma ya binciki yadda gogayya ke ƙaruwa da rage halayen gashin calcium carbonate da kuma kwatanta asbestos, babban sinadarin calcium carbonate da gashin calcium carbonate. Sakamakon gwajin ya nuna cewa ana inganta yawan gogayya, saurin lalacewa da kuma halayen injiniya a cikin layin birki na mota lokacin da aka ƙara gashin calcium carbonate a kashi 15%; haka ma, aikinsa gaba ɗaya ya fi sauran biyun kyau.

Aikace-aikace a cikin shafi

A masana'antar shafa gashi, ana amfani da fatar calcium carbonate sosai a shafa gashi a cikin ruwa. A cikin shafa gashi a cikin ruwa, fatar calcium carbonate na iya zama ginshiki a cikin shafa gashi saboda kyawun yanayinsu da kuma warwatsewarsu mai kyau, yana ba da cikakken wasa ga kyawawan halayen injina na fatar calcium carbonate. Shafukan da aka cika da fatar calcium carbonate suna da ingantaccen sheƙi, mafi kyawun warwatsewa da rage yawan nutsewa. Lokacin da aka yi amfani da fatar calcium carbonate a shafa gashi, dankowar shafa gashi yana ƙaruwa sosai, haka nan kuma ƙarfin haɗin gwiwa da kwanciyar hankali na ajiya. Bugu da ƙari, saboda kaddarorin fatar calcium carbonate, ana iya rarraba su daidai gwargwado a cikin sols na silica da mafita na emulsion, don haka rage katsewar shafa gashi, wanda yake da tasiri sosai.

Aikace-aikace a cikin samar da takarda

A masana'antar takarda, amfani da sinadarin calcium carbonate mai girman granular a matsayin kayan cikawa ya riga ya inganta aiki da saurin bugawa na takarda, yayin da amfani da sinadarin calcium carbonate a matsayin kayan cikewa yana ba wa takardar ƙarin inganci kuma ana iya amfani da shi azaman ƙari don samar da takarda mai farin launi da kuma kyakkyawan laushi. Saboda takamaiman yanayinta da halayenta, takarda da aka yi da sinadarin calcium carbonate tana da ingantaccen bugu, ƙarfi mafi girma da kuma riƙewa mafi kyau fiye da takarda da aka yi da calcite. Saboda haka, saboda wannan fa'idar, sinadarin calcium carbonate yana da kyakkyawar makoma a masana'antar takarda, musamman don samar da takarda tare da aikace-aikace da buƙatu daban-daban.

Aikace-aikace a cikin kayan aikin likita

Baya ga aikace-aikacen masana'antu, ana kuma amfani da gashin calcium carbonate a cikin kayan likitanci. Calcium muhimmin sinadari ne a jikin ɗan adam, yawanci a cikin nau'in calcium phosphate, wanda shine babban sinadari na ƙashi. Ana iya shirya haɗin ƙashi na wucin gadi ta hanyar cika da gashin calcium carbonate da inganta halayen kayan. Xu Duyang da abokan aikinsa ne suka shirya haɗin ƙashi na wucin gadi ta amfani da hanyar haɗin mafita. Sakamakon gwaji ya nuna cewa kayan ƙashi na wucin gadi ba ya haifar da lahani ga ƙwayoyin ɗan adam kuma yana da matuƙar amfani a fannin likitanci. Bugu da ƙari, ana ɗaukar gashin calcium carbonate a matsayin kore, mara guba ga lafiyar ɗan adam. Hakanan ana amfani da gashin calcium carbonate a fannin likitanci a matsayin kayan aiki don ƙirƙirar kafofin watsa labarai na al'adu. Ana iya cewa gashin calcium carbonate shima zai iya yin canji a fannin likitanci.