Fluoride yana da yawa a cikin yanayi. Fluoride abun ciki a cikin halitta ruwa yawanci a 0.3 ~ 0.5mg / L. Ruwan karkashin kasa yana gudana ta hanyar fluorinated layers, wani lokacin har zuwa 2-5 mg / L. Yankin da ke da ruwan karkashin kasa na kasar Sin yana da yawa, a yankuna da yawa, abun da ke cikin ruwan karkashin kasa ya wuce ƙa'idodin abun da ke cikin ruwan sha na rayuwa, wasu yankuna har ma da 20mg / L. Ga mazauna yankunan da ke amfani da ruwa, shan ruwa mai yawan fluoride na dogon lokaci na iya haifar da guba na yau da kullun, musamman ga haƙori da ƙasusuwa. Masu haske suna sha'awar flour plaque, suna nuna lalacewar enamel na hakora, hakora sun fadi da wuri, da dai sauransu, masu nauyi suna da ciwo a cikin ƙasusuwa, har ma da karkataccen ƙasusuwa, bayyanar ƙwanƙwasa, da dai sauransu, cikakken asarar aiki. Saboda haka, haɗarin ruwan high fluoride yana da matukar tsanani, amfani da kayan aikin kawar da fluoride na ruwa na ƙasa, kayan aikin kawar da fluoride na ruwa na zurfi don kula da ruwan ƙasa, ruwan high fluoride na zurfi yana da mahimmanci.

Na'urorin defluorination na ƙasa suna amfani da hanyar tacewa ta sha, lokacin da ruwan ruwa ya gudana ta hanyar tacewa ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki ta ciki. Lokacin da defluorination ikon sauka zuwa wani iyaka darajar (saturation), ta hanyar regenerative sake dawo da adsorbent defluorination ikon.
Ruizhi muhalli kare kamfanin samar da kasa ruwa defluorination kayan aiki, zurfin ruwa defluorination kayan aiki (defluorination tace) gabatar da sabon fasaha, sabon fasaha, sabon nau'i na'urori, zai iya yadda ya kamata warware matsalolin da aka ambata a sama, sa kasa ruwa abun ciki na fluorine wuce yankin mutane daga high fluoride cutarwa.
Na'urar defluorization ta ƙasa ta ƙunshi defluorization tace, tace kayan aiki, sake amfani da na'urar, bututun bawul, da dai sauransu. Dangane da daban-daban abun ciki na fluorine da yawan ruwa mai sarrafawa, za a iya zaɓar daban-daban ƙididdigar girman defluorization tace kayan aiki. Girman defluorination tace dangane da yawan ruwa, daban-daban amfani da karfe ko gilashin karfe za a iya zaɓar. Na'urorin defluorization suna da gado mai tsayayye da gado mai motsi. Tushen gado na ruwa yau da kullun ne lifting irin, tacewa kauri 1.1 ~ 1.5m, tacewa gudun ne 3 ~ 6m / h. Motsa gado tace kauri ne 1.8 ~ 2.4m, tace gudun 10 ~ 12m / h.
Na'urorin defluorination na ƙasa, na'urorin defluorination na ruwa mai zurfi, yana amfani da aluminum oxide mai aiki na musamman a matsayin defluorinating adsorbent, tsarin defluorination yana haɗuwa da acid ko shigar da tsakiya ga darajar pH na ruwa mai tsabta kuma ya gudanar da adsorption catalyst, don samun ingantattun ayyukan adsorption na fluorine, na'urorin defluorination na ƙasa yana amfani da aluminum sulfate ko sodium hydroxide a matsayin regenerative agent, yana amfani da babban kwararar sake Za a iya sake dawo da aikin absorption na aiki na alumina, don haka cimma ci gaba da aiwatar da defluorination. Abubuwan da ake amfani da su suna amfani da tsarin sake dawowa, tare da mafita na aluminum sulfate ko sodium hydroxide na 1% -2% a matsayin sake dawowa, ana iya sake amfani da tacewa. Deep Well ruwa defluorination tace ne sabon nau'in defluorination kayan aiki daban-daban daga de-ion hanyoyin (electrolyser, reverse osmosis).
Ka'idar da tsari na ruwan ƙasa defluorization kayan aiki
Fluorinated ruwa absorbs tace layer ta hanyar defluoride tace mafi girma fiye da farfajiyar yanki. A ƙarƙashin yanayin darajar PH 5 ~ 6, ana cire fluorine ions a cikin ruwa don samar da fluoride mai wuya, kuma tsarin amsawa kamar haka: R2SO4 + 2F - = R2F2 + SO42 -
Bayan da adsorbent na na'urar defluorization ta ƙasa ya kasa, ana sake amfani da mafita na aluminum sulfate don dawo da ikon sha. Ta amfani da yawan da defluorination rabo 60: 1, sake dawo da mataki na 1% -2%, gudu 3 ~ 4 watanni da mataki na 3.5% HCL mafita wanke sau daya, tsabtace bayan za a iya wanke da defluorination ruwa, lokaci 8 ~ 10min., Lokacin da raw ruwa PH darajar sama da 7, yawanci tare da carbon dioxide gas don daidaitawa. Saboda haka, amfani da na'urorin kawar da fluoride na zurfin ruwa da sake dawowa suna da sauƙi sosai, da ƙananan farashin amfani.
Ayyukan fasali na ƙasa ruwa defluorization kayan aiki
1, amfani da musamman kunnawa na aiki aluminum oxide a matsayin adsorbent, tare da saurin shan sauri, babban damar shan sauri, ƙananan tasirin darajar PH, sauƙin disasorption da sauran halaye, daban-daban ayyukan sun fi kyau fiye da na yau da kullun aiki aluminum oxide.
2, sake yin amfani da sodium hydroxide don maye gurbin aluminum sulfate na gargajiya, kawar da haɗarin da ke haifar da wucewar aluminum ion a cikin ruwa.
3, na'urar defluorization ta ƙasa tana amfani da hanyar sake dawowa, wanda zai iya rage lokacin sake dawowa na gargajiya zuwa sa'o'i 4.
4. Amfani da daidaitawa PH darajar da kuma catalytic adsorption tsari ya sa adsorption iya haɓaka sosai.
5, adadin ci gaba da saka catalyst, kara yawan absorption na fluoride.
6, cikakkiyar warware matsalar "panel node" da kuma "ƙarya gajiya" na aiki aluminum oxide.
Babban fasaha sigogi na kasa ruwa defluorization kayan aiki:
1, aiki matsin lamba: 0.05Mpa ~ 0.6Mpa
2, aiki zazzabi: 5 ℃ ~ 40 ℃
3, hanyar aiki: manual ko atomatik iko
4, tace gudun: 2.5m / h
5, silinda kayan: 304, 316L, Q235, gilashin karfe
Abubuwan tsari na defluorination tace
1, low farashi, Ma'aikatar zuba jari;
2, low aiki kudin, low ruwa kudin;
3, sauki aiki na ruwan ƙasa na defluorination na'urar: aiwatar da atomatik, semi-atomatik aiki ba tare da daidaita pH darajar;
4, shigarwa da kuma amfani da zurfin giya ruwa defluorination kayan aiki ne sosai m, zurfin giya ruwa defluorination kayan aiki za a iya haɗa kai tsaye da m famfo a zurfin giya, kayan aiki fitar da ruwa kai tsaye a cikin bututun cibiyar sadarwa a cikin gida, babu bukatar raw tafkin ruwa da kuma fitar da tafkin ruwa, babu bukatar biyu matsin lamba;
5, high amfani da ruwa na ƙasa ruwa fluoridation na'urori;
6, zurfin ruwa fluoridation na'urar kayan aiki ya dauki ƙananan yanki.