
Gina tarin tari ya ƙunshi tara ma'adanai ko ma'adanai masu tarin yawa a ƙasan yankin zubar da tari bisa ga girman da aka tsara. Tudun ma'adinan da aka gina ya kamata ya kasance yana da kyakkyawan juriya da daidaito, da kuma kwanciyar hankali na tsarin. Wannan yana tabbatar da cewa a lokacin aikin zubar da tari, wakilin zubar da tari zai iya shiga daidai gwargwado a duk faɗin ɓangaren tarin ma'adinan a lokacin da ake buƙata na rarrabawar ruwa. A halin yanzu, yana hana faruwa kamar rugujewa a gefunan tarin ma'adinan ko kuma sharewar gida. Saboda haka, dole ne a ba da kulawa sosai yayin aiki. A cikin aikin samarwa, akwai wani nau'in hanyar zubar da tari. Ana jigilar ma'adinan da aka cire kai tsaye zuwa dandamalin zubar da tari don zubar da tari ba tare da an murƙushe shi ba. A wasu lokuta, zubar da tari yana faruwa ko da a wurin fashewar tari. Girman barbashi na ma'adinan yawanci yana tsakanin 100 zuwa 200 mm ko ma mafi girma, wanda ke haifar da zagayowar zubar da tari wanda zai iya ɗaukar rabin shekara ko ma fiye da haka. Tunda wannan nau'in zubar da tari yana da sauƙi, sau da yawa ba a nazarinsa azaman nau'in zubar da tari na yau da kullun ba.
Zaɓin Wuraren Leaching na Heap da Kwancen Kwangila
Zaɓar wurin zubar da ruwa a Heap yana da alaƙa da saka hannun jari a fannin ababen more rayuwa, gami da sarrafa wurin, hanyoyin sufuri, da kuma tsarin bututun mai. Layin ƙasa na wurin zubar da ruwa da kuma shimfida shi yana da matuƙar muhimmanci ga samar da zubar da ruwa a heap, musamman ga manyan tarin ruwa. Saboda haka, dole ne a tabbatar da ingancin layin ƙasa.

1. Abubuwan Bukatu na asali don Rukunan Leaching
Ya kamata wurin ya kasance yana da isasshen ƙarfin ɗaukar nauyi don jure jimlar nauyin nauyin tama da kayan sufuri.
Ya kamata ya kasance yana da wani gangare mai ɗorewa, wanda zai dace da datsa wuri da kwararar leach.
Ya kamata a sami isassun yanki don gina tsibirai da hanyoyin sufuri. Don ma'adinan da ke da yuwuwar haɓakawa, ya kamata a yi la'akari da yuwuwar faɗaɗawa nan gaba.
2. Zabi da Kwanciya na Ƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaƙwalwa
2.1 Zaɓin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafa
Za'a iya karkasa layin ƙasa don dandamalin leaching zuwa nau'i biyu: na dindindin da na wucin gadi. Na farko yana buƙatar dogon lokacin gini da tsada mai yawa, wanda ya sa ya dace da matsakaici - zuwa - manyan ma'adinai tare da tsawon rayuwar sabis. Sabanin haka, ana amfani da layin ƙasa na wucin gadi sau ɗaya kawai, suna buƙatar ɗan gajeren lokacin gini, kuma ba su da tsada. Sun dace da ma'adinai tare da rayuwar sabis na kasa da shekaru 5. Bugu da ƙari, yanayin da ke kewaye kuma yana taka rawa. Idan wurin da za a gina wurin tudun tsibi ya iyakance, ana iya gina dandali na dindindin. Akasin haka, idan akwai babban gangaren yanki kusa da ma'adinan - tazarar sufuri gajarta ce, za a iya gina dandali mai tsibi na ɗan lokaci.
2.2 Yawancin Abubuwan Abubuwan Da Aka Yi Amfani da su na Kasa
Laka da Bentonite : Idan akwai yumbu mai yawa kusa da wurin da ake zubar da yumbu, amfani da layin ƙasa na yumbu zaɓi ne mai kyau. Ana iya matse wannan layin ƙasa a cikin yadudduka uku, kowanne yana da kauri kusan mm 150. Matsakaicin shigar wannan layin ƙasa shine 1.0 × 10−7 cm/s, wanda ya cika buƙatun kariyar muhalli. Tunda bentonite (musamman nau'in sodium) yana da ƙarfin sha ruwa kuma yana iya faɗaɗa sau 10 - 30 a girma bayan shan ruwa, ƙara adadin da ya dace (kimanin 4%) na bentonite zuwa yumbu na iya rage yawan shigar yumbu sosai. Wannan nau'in layin ƙasa yana da sauƙin sanyawa kuma yana da ƙarancin farashi. Ya kamata a matse harsashin, kuma gangaren ya kamata ya kasance mai laushi don hana zaizayar layin ƙasa yayin aikin cire yumbu.
Kwalta da Siminti : Idan aka yi amfani da kwalta ko siminti a matsayin layin ƙasa, ƙarfin hana zubewa da matsewa yana da alaƙa da kauri. Yawanci, kauri yana tsakanin 150 zuwa 200 mm. Idan aka gina shi da kyau, ma'aunin permeability yana tsakanin 1.0 × 10−9 cm/s da 1.0 × 10−10 cm/s. Duk da haka, wannan nau'in layin ƙasa yana da tsada kuma yana iya fashewa.
Fina-finan Polyethylene Masu Yawan Yawa (Farare) (HDPE) : Lokacin da aka yi amfani da polyethylene mai yawan yawa da sauran kayan roba a matsayin layin ƙasa, kauri shine 1 - 2 mm kawai. Matsakaicin ƙarfinsa bai wuce 1.0 × 10−13 cm/s ba, kuma yana da ƙarfin juriya na hudawa matsakaici. Ya dace da ma'adanai masu girman barbashi ƙasa da 20 mm kuma ana iya sake amfani da shi sau da yawa. Ana iya haɗa faranti masu laushi na polyethylene masu yawan yawa a wurin ta amfani da cyclohexanone. Hanyar gini abu ne mai sauƙi, amma ana sanya tsauraran buƙatu akan ingancin walda. A ƙasashen waje, ana zaɓar wannan kayan sau da yawa don layin ƙasa na wuraren tattara tarin abubuwa (gami da tafkunan ruwa da aka gama).
2.3 Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙasa
Layin Ƙasa Mai Layi Ɗaya : Lokacin da ake amfani da yumbu, kwalta, ko siminti don layin ƙasa mai layi ɗaya, suna ɗaukar matsin lamba mai yawa kuma suna iya sarrafa kwanciyar hankali na tarin ma'adinai tare da tushe. Lokacin da ake amfani da kayan roba, musamman lokacin da aka shimfiɗa kayan roba a kan harsashin kayan da aka yi da ƙananan grained, ƙarfin hulɗar gogayya yana da ƙasa sosai, wanda zai iya tabbatar da kwanciyar hankali na tarin ma'adinai.
Layin Ƙasa Mai Layi Biyu : Layin ƙasa mai layi biyu ya ƙunshi nau'ikan kayan layi biyu na ƙasa. Layin biyu na iya kasancewa a cikin hulɗa kai tsaye ko kuma suna da layin magudanar ruwa ko layin buffer a tsakani. Layin magudanar ruwa da ake amfani da shi don sa ido kan zubewa zai iya tattarawa da sake amfani da leken. Ana iya yin layin magudanar ruwa da kayan aiki kamar yashi mai kyau, kuma ƙara shi kuma yana iya inganta kwanciyar hankali na tarin ma'adinai. Layin sama na layin ƙasa mai layi biyu sau da yawa shine layin matashin aiki don tabbatar da dawo da leken, yayin da layin ƙasa shine layin madadin don hana zubewar maganin cikin muhalli. Yawanci, layin aiki na layin ƙasa mai layi biyu an yi shi ne da kayan roba kamar HDPE da PVC, kuma layin madadin an yi shi ne da yumbu.
Layin Ƙasa Mai Layi Uku : Layin ƙasa mai layi uku sau da yawa yana ƙunshe da layi ɗaya na farantin laushi na PVC ko HDPE da layi biyu, ko layi biyu na PVC da layi ɗaya. Akwai yuwuwar zamewar ma'adinai mai tarin layi tare da layi uku na ƙasa. Don hana zamewa, ya kamata a samar da aƙalla layi ɗaya na magudanar ruwa tsakanin layi na ƙasa. Layi na ƙasa mai layi uku ba a cika amfani da shi ba.
2.4 Kwanciyar Hankali
Fasahar kwanciya da ingancin layin ƙasa yana tasiri sosai akan aikinsa. A lokacin da aka shimfiɗa layin ƙasa na yumbu, ya zama dole don kauce wa damina ko lokacin rani don hana layin ƙasa daga fashe saboda asarar ruwa. Hanya ta musamman ita ce a fara shimfiɗa yumbu, bentonite, ko lallausan wutsiya a kan harsashin, haɗa shi, sannan a shimfiɗa fina-finai na filastik ko zanen roba, ƙara yumbu ko yashi mai kyau, sannan a rufe wani yanki mai girman tama a matsayin Layer na kariya.
Lokacin da akwai bambanci mai tsayi a cikin tushe, ƙaddamar da kayan aikin roba - kayan ƙasa ya kamata ya fara daga mafi ƙasƙanci kuma ya ci gaba zuwa sama. Ka guji ƙirƙirar wrinkles. Ana iya amfani da injin nadi maras kyau don kwanciya, kuma an fi dacewa da yin walda a kan shafin. Ya kamata waldi su zama iri ɗaya, kuma tsarin tsarin su ya kamata ya kasance daidai da yuwuwar hanyar motsi na tulin tama. Bugu da kari, yankin shimfidar layin kasa na wurin leaching ya kamata ya zama dan kadan fiye da ainihin wurin kasa na tulin tama.
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