Na adsorbent etinye obi gị dum site tupu absorbed filtrate na diluted dị ọcha mmiri ma ọ bụ nyo slurry na-agwakọta n'ime a nkwusioru na a nri ịwụ, na mgbe ịta nke mmiri mmiri na-etinye obi gị dum ruru ihe a chọrọ, nyo slurry kewapụrụ. Banye, gaba n'ihu. The kpọmkwem ọkara nke mkpuchi (ọrụ bụ n'ozuzu na ọdabara na mgbasawanye ihuenyo ihuenyo. The ọkpụrụkpụ nke millimeter oyi akwa bụ n'ozuzu 3-80. Na n'ezie mmepụta nke nzacha ihuenyo, na achicha nwekwara ike na-anọgide na-ebipụ (dị ka a agụụ drum filter cake igwe), nke nwere ike ịbụ ọhụrụ The nzacha bed bụ kwụsiri ike ma kwụsie ike.
(2)Percolation:
A na-eme nzacha mmiri ozuzo na ụzọ abụọ: mkpuchi mkpuchi na-agbakwụnye: ọkpụrụkpụ nke mkpuchi mkpuchi na-adịkarị 2-3 mm. Isi ọrụ bụ iji chebe ihe nzacha site na ịmịnye mmetọ, ma n'otu oge ahụ gbanwee ya na mkpuchi polymer mgbe a na-agbakwunye ya na nzacha. Ihe mkpuchi mkpuchi nke mbụ bụ n'ozuzu 2-3 mm. Ọkpụrụkpụ na nhazi dị mkpa na usoro dum. Dị ka ọdịdị nke ihe nzacha (viscosity, particle and content, compressible filterability of particles, wdg), onye ọrụ nwere ike iji usoro ndị a:
(1) Mkpuchi mkpuchi
The tupu mkpuchi na-kpụrụ site bridgeing mmetụta nkenzacha enyemaka nzachana ọkara. Ee: gbochie usoro nzacha (mmiri mmiri a ga-enyocha) site na ihe ndị dị na nzacha; enwere ike nweta nzacha na mmalite nke nzacha; ihe nzacha nzacha dị mfe igbachi. Mgbe mkpuchi mkpuchi, ihe enyemaka nzacha kpọmkwem na mmiri mmiri doro anya (ma ọ bụ mmiri disinfection) na-adaba n'ime nkwusioru 5-10% (mass ratio) na tankị mkpuchi tupu, na a na-emepụta mkpuchi mkpuchi dị mma ma kwụsie ike na nzacha nzacha site na mgbapụta mgbasa. mkpuchi. Okpokoro mkpuchi mkpuchi nke ihe nzacha nzacha dị ihe dịka 2-4MM (ihe enyemaka nzacha mkpuchi tupu mkpuchi bụ 700-1000G/m²). Ihe nzacha ikuku okpukpu abụọ chọrọ mkpuchi mkpuchi 8-15CM. Ihe nzacha doro anya chọrọ, yana mmiri viscosity dị ala (ihe dị ka 1CP), ọ̀tụ̀tụ̀ ịgbasa mkpuchi mbụ bụ ihe dị ka 40L/m², na obere viscosity mmiri mmiri tupu mkpuchi mkpuchi na-ebelata otú ahụ.
(2) Mgbe agbakwunyere enyemaka nzacha iji nzacha na mkpuchi mkpuchi, mgbe ntụ ntụ na-abanye na nzacha, ọ dị mkpa ịgbakwunye enyemaka nzacha nke 0.1-2.0% site na ịdị arọ nke slurry. N'ime usoro nzacha, a na-agbakwunye ihe enyemaka nzacha na ihe adịghị ọcha na slurry nzacha na nzacha nzacha kwekọrọ. Ọnụ ego mgbakwunye ahụ na-edobe ọnụọgụ na mkpakọ nke ihe ndị a kpụrụ. Ihe adịghị ọcha na ọnụ ọgụgụ mkpakọ dị elu, ọnụọgụ enyemaka nzacha kwekọrọ na mmụba ahụ. Ekwesịrị ịmepụta mgbakwunye nke nzacha mgbe nrụgide nzacha ruru nrụgide. Ihuenyo nzacha jupụtara na ihuenyo nzacha na-enye ohere ịmecha oghere nzacha mmiri. N'ebe a na okirikiri filtration, ihuenyo nzacha na-abanye na ọkwa mgbasa ozi.
(3) Tinye nzacha ozugbo:
A na-etinyekwa ihe enyemaka nzacha na ihe ndị siri ike dị na slurry nzacha na mbụ pre-layer ma ọ bụ nzacha oyi akwa ka etolite ọhụrụ nzacha oyi akwa, nke mere na nzacha nwere ike ịnọgide na-eguzosi ike n'ọnọdụ. Ọsọ nzacha. N'oge a, urughuru size nke Wu Jia si nyo enyemaka na-ekpebi naanị site na njirimara nke udi na nzacha slurry, na-adịghị emetụta site n'usoro nke nzacha.
Oge nzipu: Sep-26-2021