Kayan aikin sarrafa ruwan najasa

Tushen sarrafa ruwan sharar ruwa

Tsarin samarwa: narkewar albarkatun kasa → yankakken kifi → tsaftacewa → lodin faranti → daskarewa da sauri Raw kayan daskararren kifi narke, wanke ruwa, sarrafa ruwa, tsaftacewa, tsaftacewa da sauran hanyoyin samar da ruwa mai tsabta, Babban gurɓataccen gurɓataccen ruwa daga ruwan wanke kayan aikin samarwa. kuma filin bita sune CODcr, BOD5, SS, ammonia nitrogen, da dai sauransu.

Fasahar aiwatar da magani

Saboda rashin daidaituwar fitar da ruwan datti na sarrafa ruwa da kuma manyan sauye-sauye na ingancin ruwa, ya zama dole a karfafa matakan riga-kafi don cimma daidaiton sakamakon jiyya.Ana katse ruwan sharar gida ta hanyar grid don cire ɓangarorin kwayoyin halitta daga cikin ruwa, kuma an ware daskararrun daskararrun daskarewa kamar fatar kifi, aske nama, da ƙasusuwan kifi kafin shiga cikin tanki mai daidaitawa.An shigar da na'urar isar da iskar gas a cikin tankin, wanda ke da ayyuka irin su deodorization da hanzarta rabuwar mai a cikin ruwan datti, inganta haɓakar gurɓataccen ruwa da kuma tabbatar da ingancin maganin halittu na gaba.Saboda yawan man mai a cikin ruwan datti, ya kamata a shigar da kayan aikin cire mai.Don haka tsarin farko na jiyya ya haɗa da: grating da ɗaga famfo dakin, tanki na iska, tankin acidification na hydrolysis.

Bukatar sarrafawa

1. Ingancin ma'aunin zubar da ruwa ya dace da matakin farko da aka kayyade a cikin "Comprehensive Wastewater Discharge Standard" (GB8978-1996).

2. Bukatun fasaha:

① A tsari * *, fasaha abin dogara, da kuma inganta tattalin arziki bayani ake bukata.Ana buƙatar shimfida mai ma'ana da ƙaramin sawun ƙafa.

② Babban kayan aikin tashar najasa sun ɗauki tsarin simintin ƙarfe na ƙarfe na sama.

③ Ana haɗa ruwan shigar ta cikin bututun siminti, tare da hawan ƙasa na -2.0m.Bayan wucewa ta cikin rijiyar auna, ana tura ruwan a cikin bututun birni a wajen yankin masana'anta.

Ma'aunin matakin farko da aka kayyade a cikin "Comprehensive Wastewater Discharge Standard" (GB8978-1996): naúrar: mg/L dakatar da daskararru SS ＜ 70;BUD | 20;COD<100;Ammoniya nitrogen <15.