Dredging
Ganuwar tekun da aka gina tare da bakin tekun, mahimman tsarin hydraulic ne don jure raƙuman ruwa, igiyoyin ruwa ko hawan ruwa don kariyar bakin teku.Magudanar ruwa suna dawo da kare iyakokin teku ta hanyar katse makamashin igiyar ruwa, da barin yashi ya taru a bakin tekun.
Idan aka kwatanta da cikewar dutsen tranditonal, bututun polypropylene geotextile mai dorewa tare da rage farashin kan layi ta hanyar rage fitar da kayayyaki da sufuri.
Nazarin Harka
Aikin: Kogin Chongqing Chansheng Dredging
Ƙasa: Chongqing, China
Kogin Changsheng yana a gundumar Chongqing, wanda ke da fadin ruwa mai nisan kilomita 83.4 da tsawon kogin 25.2km.Kogin da ke gudana ya dade yana gurbace sosai, tare da matsaloli irin su zubar da ruwa, lalata bututun najasa, rashin isassun magudanan ruwa da lalata tarkace da sauransu, wanda ya haifar da rashin kyawun muhalli na kogin changsheng da kuma rashin wadata. iya sarrafa ambaliya.A cikin 2018, karamar hukumar ta yanke shawarar yin amfani da bututun geotextile don jan rafin.
An fara aikin ne a watan Oktoba na 2018 kuma ya ci gaba har zuwa Disamba 2018. Jimlar yawan silin da aka yi amfani da shi a cikin kogin ya kai kimanin mita 15,000 (abincin ruwa 90%).Honghuan geootube da aka yi amfani da shi a cikin aikin yana da faɗin mita 6.85 da tsayin mita 30.
A matsayin fasaha don sauƙaƙe aikin sludge dewatering, tsarin dewatering na geotube ya shahara a hankali.
Da farko, ana kula da sludge tare da flocculant sannan a cika shi a cikin geotube.Tushen da aka ajiye zai kasance a cikin bututun kuma ruwa zai fito daga ramukan bututun.Ana maimaita wannan tsari har sai bututun geotextile ya kai matsakaicin tsayi.
Samfura masu dangantaka
Bututun Geotextile don Kariyar Costal