VSI Sand Maker don ya zama maki na kwayoyin sanda mai kyau

Mai cin kwayoyin wanda ba za a iya bin sanda ta – Bayanin tsarin da aka rarraba

Wani mai cin kwayoyin granite a Maharashtra ya samu sanda mai kuma amma ya cikin gudun in bin ta zuwa ga al’adu na concrete. Bayanin abu, ya kashe ta tare da jaw-and-cone circuit, ya zama flat da needle-shaped—flakiness index ta fi 28%. Al’adu na concrete su ka sanya ta saboda suna bada ƙarfi da ruwa kuma su ya rage gyara na mixture. Mai cin kwayoyin ya cikin tallafin: ya sa ajiye VSI sand maker ko ya ci gaba da kula da karamin da ke cikin kwayoyin sanda na ruwa.

Ya zaɓi ƙarƙashin VSI. A cikin uku mizani bayan yin saitawa ta ƙarƙashin ƙarƙashin ƙananan ƙarƙashin da ke cire kuma ƙarƙashin da ke cire, ƙwayo ya faruwa da ƙwayo da ke cire da flakiness index wanda ke ƙasa da 12%—kuma ya bin shi dukkanin tonne. Masu ƙara konkret sun bayyana cewa sun gudan cikin ƙarƙashin siminti da ƙarƙashin ƙananan ƙarƙashin da ke cire, saboda ƙarƙashin da ke cire ya ƙara ƙarƙashin da ke cire. Malamin ƙwayo ya sanya tarihin ƙarƙashin da ke cire a cikin 18 mizani ta hanyar ƙarƙashin da ke cire da ƙarƙashin da ke cire da ƙarƙashin da ke cire da ƙarƙashin da ke cire.

Wannan natsara ba ta zama abin ƙarfi ba. A cikin baya uku da ashirin, kwallon mu na fasahar mafurin ta gano daga cikin ƙawali na VSI a yankin Hindistan, Asia ta Kudu-Kudu, da Afrika. Wannan ya zama abin da aka gano daidai: idan masu sanyi su fahimci ilmin jinko na kariya ta hanyar tashin kariya da asarar su a kan tsarin kwayoyin, teknologiya na VSI ta canza kwayoyin da aka bukata daga abin da ke ƙasa zuwa abin da ke ƙarfi wajen amfani a cikin sauyin kwayoyin. Fasahar teknologiya na kwayoyin na VSI ba tana da haɗa da zaɓin abubuwan da suka ƙare ba—amma tana da haɗa da kariya ga kammalun kwayoyin da kuna da su da kuma samun kwayoyin da suka ƙare wajen sauyin kwayoyin da suka ƙare.

Tsarin Kwayoyin na Madaidaici – Ilmin da ke baya na kwayoyin na VSI

A zuciyar VSI sand maker ne a tsaye shaft impactor cewa accelerates feed abu zuwa tip gudu wucewa 70 m / s. Centrifugal karfi jẽfa dutse waje daga na'ura mai juyi, buga shi da wani labule na tsaye, a baya crushed abua gaskiya dutse-on-dutsen crushing yanayi. Wannan haɗuwa tsakanin ƙananan ƙananan abubuwa yana yankewa, ƙananan gefuna a gefen iyakokin hatsi na halitta, mafi kyawun samar da daidaito, siffofi masu siffar.

A cikin binciken shari'ar 2023 na dutse zuwa yashi a kudancin Indiya, yashi da aka samar ta hanyar tsarin VSI na kewaye ya sami ƙimar ƙarancin kashi 10%, idan aka kwatanta da kashi 27% daga kewayawar jaw-and-cone da ke sarrafa abincin guda. Ƙarƙashin ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar Saurin juyawa da sarrafa kwararar ruwa suna daidaita makamashin tasirin, daidaitawa da ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙaran

Wane ne amsar sukuwa na farko – Masala ta Kwayoyin Tafarki

Sukuwa na jaw da cone suna iya amfani da ƙarfin kufi, wanda ya zama shugaban kwayoyin daga cikin tashin da kwayoyin tafarki—wanda ke zama kwayoyin tafarki da asali da ƙaramin rukuni. Wadannan ƙwayoyin suna yanka fahimtar konkreti da tsarin mai kyau. Kwayoyin tafarki mai yawa zai iya zama ƙaramin ruwa da yawa kuma yana nuna karfi ta kufi ta hanyar 15% a matsayin ACI 2022.

Bugu da ƙari, tsarin da ke tattare da matsawa yana buƙatar matakai masu yawa na murkushewa amma har yanzu suna gwagwarmaya don samar da yashi mai kyau, mai kyau a cikin iyakar iyaka na IS 383 ko ASTM C33. Sau da yawa ƙirar su na ƙarancin lokaci ba su da daidaituwa, tare da ƙananan ƙananan ƙananan. Sabanin haka, mai yin yashi na VSI yana magance duka siffar da kuma rarrabuwa a cikin tashar guda ɗaya: tsarin tsarin da aka haifar da shi yana haifar da hatsi na halitta, yayin da tsarin binciken da aka rufe ya sarrafa rarraba girman ƙwayoyin cuta, kawar da ƙananan ƙananan, kuma yana kula da ƙananan ƙididdigar flakinessware

Matsayin Bayani na Granite zuwa Sand – Samun IS 383 Class I a Najeriyar Arewa (2023)

Wani project na 2023 a Karnataka ya canza granite mai zuwa a waje da kuma sand mai kyau ta hanyar VSI sand maker. Bayanin raw—granite mai canzawa da wani uku kamar 20 mm—ya kashe a tsarin da ke cikin tsari da rotor mai yawa da shi da kamara na canzawa na rock-on-rock.

Kodan kuma yin fayyade, bayani na gaba daya ya dace da isu na IS 383 Class I: modulus na tafawa ta 2.8, shi na flakiness a cikin 15%, da kuma karamar fines (<75 µm) ta kasance a cikin 10–12%. Ta hanyar yin saitin kamarin rukunin rotor (55–65 m/s) da kuma saitin karamar kasa, masu amfani suka canza abubuwan da ke nuna kamar zango, kuma suka duba karamar abubuwan da ke nuna kamar kubu a cikin 80%. Bayanin ne ya zama kwayar da ba za a bukata yin yadda ta wajen kwayar mai tsari don concrete na gaskiya, kuma yana nufin karamin abubuwa na raw material da 18% kuma yana canza yadda na fines na iya haɗa. Wannan halin ya nuna cewa, ta hanyar yin saitin daidai, VSI sand maker zai iya samun kwayar na gaskiya daga abubuwan da ke cikin gini da ke cikin tsawo a cikin wani yadda – ta fito daga karamar da ke cikin tsawo na cone ko jaw na gaba.

Saitin daidai na grading da karamar fines – Hanyar da ke cikin yadda da tsaro

Kamar yadda ƙaramarrai na gaba dayi suka yi da kuma fatarwa mai tsoro na kwayoyin, VSI sand maker ya ba mu imkanin amfani da kontrola ta harka a kowane kwayar da ke cikin shakata. Ta hanyar sauya tashin kwayar da kuma nisab din abu da ke fitowa a kan kwayar (cascade flow), masu amfani zasu iya sauya kwayar da ke cikin shakata don samun kwayar da ke cikin shakata ta Fuller‑Thompson don konkureti. Misali, ƙarancin 5% na abu da ke fitowa a kan kwayar ya daga shugaban kwayar ya haifar da karancin 3% na abubuwan da suka ƙarewa a kan −150 µm, wanda ya haifar da kara amfani da ruwa kuma ya tabbata shanin da ke cikin shakata ba tare da amfani sosai da superplasticizer.

A cikin gwaje-gwaje masu sarrafawa, shinge da aka yi da yashi da aka samar da VSI (ƙananan 12%, ƙarancin ƙarancin 2.7) ya sami ƙarfin matsawa na kwanaki 28 12% sama da wannan cakuda ta amfani da yashi na kogigodiya ga ingantaccen kunshin barbashi da kuma yankin sauyawa mai yawa Gudanar da ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan Wannan daidaito ya sa mai yin yashi na VSI ya zama mafita ga masu samar da shirye-shiryen da ke nufin daidaitattun kayan aiki masu kyau yayin da suke rage yawan canji a cikin ƙarfi da kuma famfo.

Ƙa'idar Ƙa'idar Ƙa'idar ASTM C144 da IS 383

Mai samar da yashi na VSI yana ba masu samar da damar bin ka'idodin manyan ka'idoji ta hanyar samar da sifofin barbashi da kuma digiri wanda ya dace da iyakoki masu tsanani. ASTM C144 (Musamman Bayani na Ƙididdiga don Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙar Ta hanyar haɗuwa da dutse mai sauri, injin yana fasa dutse a cikin filayen rarrabuwa na halitta, yana haifar da hatsi mai ƙwanƙwasa maimakon ɓarna. Gwajin gwaji mai zaman kansa ya nuna cewa kewayawar VSI da aka tsara da kyau suna kiyaye ƙimar flakiness koyaushe ƙasa da 10% bisa ga bayanan masana'antar 2023, kawar da ɓangarorin allura-kamar waɗanda ke haifar da gazawar misali.

Ƙwarewar injin wajen sarrafa abubuwa masu kyau ma tana da muhimmanci. ISO 383 ya tsara yankunan rarraba masu tsauri da ƙimar ƙarancin silt. Haɗin mai yin yashi na VSI na daidaitawar saurin juzu'i da tsarin rarraba iska yana bawa masu aiki damar sarrafa ƙarar ƙananan micron 75 yayin kiyaye madaidaicin lanƙwasawa. Wannan daidaito yana hana ƙananan ƙananan ƙananan ƙananan da ke raunana matattarar kankare kuma a maimakon haka yana samar da yashi mai kyau wanda ya dace da bukatun Zone II. A matsayin wani rufe-loop bayani, da fasaha kawar da bukatar hadawa ko wanke wuce haddi flaky fractions, tabbatar da tsari-to-sashi yarda ba tare da ƙarin tsari matakai.

Farko na iya kuma – VSI don ya saukarwa da alamun gaba daya

A 2023, an yi amfani da kwafin yadda abubuwan da suka daga cikin wani gudunmawa manya, an nuna cewa VSI sand maker ya bayyana abubuwa da ke cikin 42% kara yawa da farko na flakiness dibayya da jaw-plus-cone circuits. Yadda abubuwan da suka daga cikin wani gudunmawa manya ya kara yawa da farko na flakiness ya zama babba da abubuwan da suka daga cikin wani gudunmawa manya da suka daga cikin wani gudunmawa manya, wanda ya taimaka wajen kariya da kariya da abubuwan da suka daga cikin wani gudunmawa manya. Abubuwan da suka daga cikin wani gudunmawa manya suna kariya da kariya da abubuwan da suka daga cikin wani gudunmawa manya, wanda ya kara yawa da farko na void content da ya kara yawa da farko na water da cement demand a mix designs. Bayanin wannan shi ne kariya da kariya da abubuwan da suka daga cikin wani gudunmawa manya da kariya da kariya da abubuwan da suka daga cikin wani gudunmawa manya—wanda ya kai tsarin da ASTM C144 da IS 383.

Don kuma masu sanyaya na konkreti, sauya zuwa teknologiya na VSI ya zama mai iya samun karamin bayani a matsayin bayanan binder da kuma tsarin haɗa a daban-daban na zamani mai ƙarfi. Wani masu sanyaya na konkreti a Tamil Nadu ya rubuta cewa ya gudan cikin sanyin Ordinary Portland Cement daga 380 kg/m³ zuwa 345 kg/m³ bayan sauya zuwa sanyin VSI—a cewa ya gudan 35 kg ga meter kubik, ko ƙarshin ₹200 ga meter kubik a yadda suka yi amfani da bayanan cement a yanzu. A cikin 10,000 m³ na sanyaya a watan, wannan shine karamin ₹2 million a watan.

Kamali na Aseti – Wane abu ne mu za a nuna a VSI Sand Maker

Bayan haɗa na tsarin kwayoyin, kamali na aseti ta hanyar haɗa na wajibi da karamin bayanin kira na aseti. Suyukai na haɗa da kuma suka nuna su ne:

Abubuwan da suka bukatar kuskuri na VSI suna da kuskurin rotor na tungsten carbide wanda ke iya samun 500 zuwa 800 tonnes bayan sauya, kuma tsarin kuskurin berai na zaki da sensorin canjin yaya don kare kusancin mara maimakon. Wani daga cikin masu sanya abubuwa sun nuna kusancin taushin sai 5 zuwa 7% na kudi na bin abubuwa a farko bayan kuskuri

Tsarin Ingantaccen – Wani ne G‑Honor Games ya ba mu

Samun hali na kuskurin abubuwa da kuskurin kuskurin da kuskurin kuskurin ba tare da sauya abubuwa daga kataluku ba – amma yana bukatar wani masu inganta wanda ya fahimci ilmin kuskurin abubuwa, ilmin kuskurin abubuwa, kuma ingantaccen abubuwan da suka bukatar kuskuri G‑Honor Games yana zama da wannan tsarin da aka gudanarwa a cikin sannan na VSI. Masu gudanarwa na vertical shaft impactors suna amfani da rotors da suka dace, abubuwan da suka kawo wani abu (tungsten carbide) da suka dace don yanka, da sistemun da suka dace don kawo abun da ke nufi (oil-lubricated bearing systems) wanda ke ba da alaka ta hanyar daidai kuma a cikin abubuwan da suka kawo wani abu (abrasive feeds). Mu ba da haɗa na maza (custom configurations)—daga shugaban da aka gudanarwa (single-pass production lines) zuwa sistemun da aka gudanarwa (closed-circuit systems) da shugaban da aka gudanarwa (integrated screening) da shugaban da aka gudanarwa (recirculation). Masu gudanarwa na mu ke ba da shawara ta hanyar da lokaci (site-specific recommendations) don saiti na rotor, nisba na cascade, da zaɓi na abubuwan da suka kawo wani abu (wear part selection) ta hanyar da ayyukan abubuwan da ke cikin shugaban (feed material characteristics). Don masu gudanarwa na aggregate da masu gudanarwa na abubuwan da ke amfani a cikin ƙwallon (construction material suppliers), wannan yana nufi karamin bayani na amfani (lower operating costs), karamin kwalitas na abubuwa (consistent product quality), da shugaban da ke nufi (reliable supply chain) wanda ke taimaka wajen gudanarwa na shugaban (keeps your production lines running).

Tambayoyi Masu Yawan Faruwa

T: VSI shine nuna wane abu a cikin sannan na sand?
A: VSI shine nuna Vertical Shaft Impactor—a crusher type wanda ya amfani da high-speed rotor impact don gudanarwa na sand da ke ƙarfi (cubical), da kwalitas mai kyau (high-quality manufactured sand).

T: Yaya ake samun ƙarfi na gaba daya daga VSI sand maker?
A: VSI yana amfani da karkara na karkara wanda ke tsayayya, inda ƙarfi na gaba daya suka taka cikin su, suka cire karamin karami da karamin karami wanda suka zama ƙarfi na gaba daya da karamin karami.

T: Yaya ake fahimta mahimmancin ƙarfi na gaba daya don samun konkret?
A: Ƙarfi na gaba daya suka yada karamin karami, suka rage karamin karami, suka rage karamin karami na siminti, kuma suka rage karamin karami na konkret da karamin karami na karamin karami wanda suka zama ƙarfi na gaba daya da karamin karami.

T: Shin VSI sand makers zasu iya gudanar da IS 383 da ASTM standards?
A: Ee. VSI circuits wanda aka saba wa karamin karami suna gudanar da IS 383 Zone II da ASTM C144/C33 requirements don gradation, flakiness index, da fines content.

T: Yaya ake fahimta mahimmancin VSI don jaw da cone crushers?
A: Teknologiya na VSI ta samu ƙarfi na gaba daya a cikin wani karami, da flakiness index 42% karami ne ga conventional circuits, kuma karamin karami na gradation control da karamin karami na siminti a konkret mixes.

T: Yaya ake fahimta karamin karami na sand wanda VSI sand maker zai samu?
A: Kwayar tsarin yin abu zai iya canza a cikin ma'abudu kuma a cikin abubuwan da suka fara. Kwayar yin abu na yawa shine daga 20 zuwa 300 tonne ga watan, tare da saitin gaba na rotor kuma ayyukan abubuwan da suka fara.