Shugaban Kafa na Tsarin Sannan Tsohon Daga Mabu

Kasuwancin da suka duba sanda su da sauyi biyu – Talimtin Ayyukan

Kwaya na gurasa ta yin sanda mai tsoro a nahiyar dama na Hindistan, amma kwalitinsu bata samu kari. Indeks na falki ya ziga cikin 22%, kuma kamarun da ke cire ya ziga cikin 8% zuwa 18%, kuma masu sanya konkreti suna tsofawa shigarwa. Gwamnati ta amfani da jaw-da-cone circuit wanda ba shi da tertiary shaping stage. Bayan sauya nishin da VSI crusher kuma yin adda da closed-loop water recovery system, flakiness ya rage zuwa 12%, kamarun da ke cire ya rage zuwa 12–14%, kuma sanda ta samu IS 383 Zone II specifications don hakan. Kwaya ta rage zuwa 35%, kuma gwamnati ta samu shigarwa da uku na masu sanya konkreti na sarrafa a shekara biyu.

Wannan amsa ba ta yawa. A cikin shaidi biyu da uku, masu koyon ƙarfi na mabuwa suka gano cewa karamin tsarin sanyan bukata na bukatun da aka taka a kai uku na bayanin halitta—saniyar bukatun da ke ciki, tsarin da ke da ala'adu, da amfani da al'ada na al'umma—sun samu karamin kwayoyin da ke da kyau da karamin tsarin ayyukan da ke da ala'adu. Fasahar wannan bayanin ba ne kamar yin sautin abubuwa ce; amma ne kamar yin tsarin da ke da ala'adu, da ke da shari'a, da ke da karamin kwayoyin da ke da ala'adu.

Bayanin Halitta – Kai Uku Na Bayanin Da Ba Zai Iyakar Kuma

Tsarin da ke da ala'adu na karamin sanyan bukata na bukatun ya dace da kai uku na bayanin da ba zai iyakar kuma: saniyar bukatun da ke ciki, tsarin da ke da ala'adu, da amfani da al'ada na al'umma. Wadannan sun dace da karamin kwayoyin da ke ciki, karamin tsarin ayyukan da ke da ala'adu, da karamin da ke ciki.

Saniyar Bukatun Da Ke Ciki
Zaɓin dutse na iyaye shine mataki na asali. Sai kawai dutse mai tsafta, mai tsabta tare da ƙarfin matsawa na akalla 80 MPakuma babu yiwuwar haɗuwa da alkaliya kamata ya shiga cikin tsari. Ana iya samun su daga dutsen limestone da dutsen basalt. Rashin ƙarfi ko kayan aiki na iska yana gabatar da takunkumi da ba daidai ba kuma yana lalata ƙarfin siminti.

Gudanar da Tsarin Gudanarwa
Da zarar an samu albarkatun ƙasa, sai a mai da hankali ga sarrafa su. Daidaitaccen kewayawa na murƙushewa, tacewa, da (inda ake buƙata) wankewa yana tabbatar da siffar ƙwayoyin cubic, daidaitawa ya kasance daidai, kuma mahimmin kashi 05 mm ya cika ƙayyadaddun bayanai. Ba kamar yashi na halitta ba, yashi na masana'antu yana ba masu aiki cikakken iko akan rarraba girman kuma yana kawar da gurɓataccen kwayoyin. Babban ingancin yashi na wucin gadi na iya rage buƙatar siminti a cikin kankare har zuwa 15%, yana ba da fa'idodi na aiki da farashi.

Gudunmawa na yankin al'adu
Kullum kuma aiki na gida ta hanyar tsohon yadda ya zama babban wuri—ba wani abu da za a iya gudanawa ba. Gidan kasa na yau ya amfani da sissin na tsayi da ruwa da suka samu karin 90% da sauran ruwa, kuma kuma aiki na tsayi da dust suppression da suka tabbata cikin kariyar shari'a. Idan karamin kwayoyin, aiki na tsayi da kwayoyin, da tsayin ruwa da ke dace da shari'a sun haɗa, an samu sand product wanda ya fi kyawawan kwayoyin na yanzu da yawa kuma ya rufe karamin gida ta hanyar tsohon yadda.

Zaɓaƙaƙen abubuwan da suka hada – Haɗa crushers da kwayoyin da shape requirements

Zaɓin murƙushewa yana bin ci gaba mai ma'ana bisa ga taurin abinci, girma, da siffar ƙwayoyin da ake so. Masu murƙushe maƙogwaro suna aiki a matsayin manyan raka'a, suna karɓar dutsen da aka fashe har zuwa 1 m kuma suna rage shi zuwa 100200 mm; aikin matsewar su yana sarrafa kayan ƙyama kamar dutse mai ƙarfi. Masu murƙushe ƙwallan ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙw Don siffar hatsi mai mahimmancimusamman a cikin kankare mai ƙarfimasu murƙushewar shaft na tsaye (VSI) suna amfani da tasirin dutse akan dutse don samar da ƙwayoyin da ke da kyau, ƙananan ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙaran Masu murkushewa na kwance (HSI) suna ba da babban raguwa da kuma kyakkyawan iko na siffar don kayan da ba su da kyau, kamar su dutse mai tsabta ko siminti mai sake amfani.

A typical optimal configuration is jaw → cone → VSI. Adjustments—such as adding an extra impact stage—are made when feed hardness or flakiness thresholds require enhanced shaping.

Kuskuren da Tsawo – Samun Karamin da Inganta Na Yadda Da Tsohon Ruwa

Kuskuren na gaba biyu da karamin yadda mai tsayi ta hanyar tashin yadda mai ƙarfi da kusurin polyurethane su karami abubuwa da suka kashe don samun karamin 0–5 mm a matsayin da ke zama mafi kyau, kuma suka tsaya wani abu da ke cire karamin yadda ne a wani lokacin da karamin yadda ce mai ƙarfi. Bayan kuskuren da tsawo, suka cire abubuwan da suka dace da karamin yadda wanda suka dace da 75 µm.

Sashe na sarrafa ya sa shirin da ke zuwa hydrocyclones, wanda suka fuskanta da kwayoyi da kwayoyi na abu; shirin da ke zuwa cyclone ya daina bayan kwayoyi da kwayoyi na filtar, wanda ya haɗa 90% na ranar ruwa. Shirin da ke zuwa gaba ya sanya a cikin masu tsaya na kwayoyi, wanda ya haɗa kwayoyi da ruwa ta hanyar 12–15%—wanda ya ƙarfi don a sanya a cikin kwayoyi. Sisitem na sarrafa da ke kawo cyclones, thickeners, da masu tsaya na filtar suka haɗa ranar ruwa a cikin 95%, wanda ya kara kara tashin al'ada na al'umma da kudin amfani. Don yadda abubuwan da suka yi amfani da kwayoyi da kwayoyi—kamar yadda aka sanya a cikin 150–600 µm—air classifiers zasu iya haɗa a cikin amfani na ruwa da kwayoyi da kwayoyi.

Zaɓaɓɓun abubuwan da suka yi amfani da kwayoyi – Granite, River Pebble, da Recycled Concrete

Tsarin ƙwararren sanda mai tsarin bukatar ya dace da yadda ake amfani da abu na musamman don tabbata da karamin yadda ake aiki, karamin kwalitas na bayani, da karamin yadda abubuwa suka taka.

Granite (Mohs 6–7), wanda yana da kwayoyin kwakwalwa mai tsanani, yana samun kwayoyin kwakwalwa sosai a lokacin gudumta. A makala ta uku—jaw → cone → VSI—ana so domin gudumta kwayoyin kwakwalwa da kara karamin kwayoyin kwakwalwa, kuma kara karamin kwayoyin kwakwalwa a cikin 15% per IS 383. Sistemin da suka dace domin kuzo kwayoyin kwakwalwa suna da mahimmanci.

Kwayoyin kwakwalwa na fari suna da tsanani daya da granite amma suna da tsanani na silica mai yawa (Abrasion Index 0.3), wanda ke bukata don samun kwayoyin kwakwalwa da tsanani a cikin cone crushers da VSIs. A makala biyu na gudumta (jaw + cone/VSI) ana amfani da ita sosai, kuma kara karamin kwayoyin kwakwalwa a lokacin gudumta yana taimaka domin kuzo kwayoyin kwakwalwa.

Kwayoyin kwakwalwa na concrete da aka saba (RCA) suna da tsanani karami amma suna da karamin kwayoyin kwakwalwa da kusura daga brick, wood, da steel. Alama suka dace don samun magnetic separators, air classifiers, da impact crushers domin kuzo kusura da kara karamin kwayoyin kwakwalwa. Don alama RCA yana samun kwayoyin kwakwalwa da karamin kwayoyin kwakwalwa a lokacin gudumta mai tsanani, impact crushing ana so. Karamin kwayoyin kwakwalwa da karamin kwayoyin kwakwalwa da karamin kwayoyin kwakwalwa suna taimaka domin kara karamin kwayoyin kwakwalwa don samun ASTM C33 standards.

Karinawa na Farko da Kariya na Kwalitas

Karinawa da Tsarin Fines
Karinawa ana kuma yin amfani da sa a kowace saa wacce ke cikin kwararun kammala; kadanin da suka fi 8% zasu nufi musu duba tsarin gaba na bayanai ko halin abubuwa da suka dace. Tsarin fines—kullum da suka tashi a cikin 75 µm—yana da mahimmanci: kadanin da suka fi yana zama mai yanka amfanin ruwa a cikin concrete, amma kadanin da ba suka fi yana nufi kuskuren kuli na kulun. Amsa mai yawa suna son 10–15% fines don kariya na kuskure da kariya na kuskure.

Kariya na Kwalitas na Sand
Kwayar sandi zai kamata ya kama da shawara na kwayar da tsari na IS 383 (Zaun II don kwayar na kwayar) da ASTM C33, wanda ya kare abu mai ƙarami ne a cikin 75 µm da 3–5%. Kuma kewayar da kwayar na kwayar da kwayar na tsari suna nuna yadda ya kamata. Idan muka kama da kwayar na kwayar da kwayar na kwayar a cikin wannan shawara, zamu iya gyara kwayar na kwayar a cikin kwayar na kwayar ta hanyar 12%—wanda ke bawa mu damar koyon kwayar na kwayar.

Kwayar na Kwayar – Kamarin Na Kwayar

Don yin samun ƙwararri na kwayoyin gaba daya, tsawon ƙwayoyin gaba daya, da kuma tsarin ƙwayoyin gaba daya a cikin samun sanda na artifisial yana bukatar ba hanya na crusher wanda ke da mahallin sa, amma kuma tattalin arziki a kowace tsarin da ke gaba da crusher da ke sau da ke bayan crusher. Hanyar ta haka ne kuma a cikin samun mineral filler don plastics da composites—indam da kwayoyin gaba daya yana ƙarƙashin dukkan siffofai na material. Kamar yadda BXKM ya yi amfani da abubuwan samun plastics—including compounding, mixing, da pelletizing systems—yana daga samun abubuwa da ke da mahallin sa, wanda ke samun a cikin hanyoyin da suka faduwa da crusher, screening, da classification wanda ake amfani da su a cikin samun mineral. Daga fahimtar yadda raw material preparation da downstream compounding sun ƙarfafa, BXKM ta taimaka wa matakai su samun kwayoyin gaba daya da tsarin samun abubuwa a kowace tsarin da ke cikin value chain.

Tambayoyi Masu Yawan Faruwa