Dalilai da Ma'auni na Ƙaruwa a cikin Masana'antar Kula da Najasa

Tare da ci gaba da haɓakawa da haɓaka aikin sludge mai kunnawa, ƙwarewar gudanarwa na aiki ya inganta sosai. Koyaya, a cikin ainihin aiki na masana'antar kula da najasa, sludge bulking sau da yawa yana faruwa, yana yin tasiri sosai akan adadin da ingancin ruwan da aka bi da shi. Sabili da haka, yana da mahimmanci a fahimci abubuwan da ke haifar da sludge bulking da matakan da suka dace don magance shi a gaba.

sludge bulking yana ɗaya daga cikin abubuwan ban mamaki waɗanda ke faruwa a lokacin aikin tsarin sludge mai kunnawa. Saboda wasu dalilai, aikin sedimentation na sludge mai kunnawa yana raguwa, yana haifar da rashin daidaituwa na laka-ruwa, ƙarancin da aka dakatar da shi a cikin zubar da ruwa, da lalata tsarin jiyya. Wannan al'amari yawanci yana da alaƙa da haɓakawa da haɓakar ƙwayoyin cuta. Musamman, ana iya raba shi zuwa nau'ikan manyan nau'ikan guda biyu: filalonardous sludge bulge da ba-filomarentus sludge da ba a ba. Filamentous sludge bulking shine yafi haifar da matsananciyar girma na ƙwayoyin filamentous, wanda ke haifar da tsarin sludge mai zurfi, ƙara girma, iyo, da wahala a cikin lalata da rabuwa, yana shafar ingancin ruwa. Ba-filamentous sludge bulking yana faruwa ta hanyar tarin metabolites (high-viscosity polysaccharides). Wannan babban danko abu yana rufe ƙananan ƙwayoyin cuta a cikin sludge mai kunnawa, gabaɗaya a cikin nau'i na gel, wanda ke sa lalatawa da haɓaka aikin sludge ya fi muni.

1. Dalilaidaf Sludge Bulking

Akwai dalilai da yawa na fadada sludge: yana shafar abubuwa kamar canje-canje a cikin abubuwan ingancin ruwa na masu tasiri, canje-canje a cikin ƙimar pH, canje-canje a zafin jiki, canje-canje a cikin abubuwan gina jiki, da canje-canje kamar gurɓataccen abu. A farkon mataki na fadadawa, sludge index (SVI) zai ci gaba da tashi, tsarin sludge zai zama sako-sako kuma babban adadin sludge zai yi iyo, tasirin rabuwa da laka-ruwa zai zama mara kyau, kuma ruwa mai tsabta zai zama turbid. . A wannan lokaci, ya kamata a mai da hankali kuma a gaggauta gudanar da bincike don gano musabbabin fadada ayyukan.

Hoto 1: sludge bulking state	Hoto 2: Yanayin al'ada

2. Ma'auni zuwaSkyarkeciSludaBbabba

Matakan gaggawa sun haɗa da ƙarfafa sa ido kan ingancin tasiri da ƙazanta, daidaita tsarin aiki, ƙara abubuwan sinadarai, ƙara yawan sludge da aka fitar, da rage yawan sludge:

(1) Kula da sigogi daban-daban akai-akai a cikin tsarin najasa: kamar alamar sludge (SVI), narkar da oxygen, ƙimar pH, da sauransu;

(2) Dangane da sakamakon sa ido, daidaita yanayin aiki kamar iska da ƙari na gina jiki don ƙirƙirar yanayi mai dacewa da haɓakar ƙwayoyin cuta.

(3) Ƙara adadin abubuwan da suka dace na sinadarai, irin su flocculants da bactericides, don sarrafa ci gaban kwayoyin filamentous ko inganta aikin lalata na sludge;

(4) Ta hanyar ƙara yawan sludge da aka fitar, da kuma cire ƙwayoyin cuta masu yawa na filamentous, yana taimakawa wajen dawo da aikin sludge na yau da kullum.

Ta hanyar matakan matakan da ke sama, za a iya magance matsalar sludge bulking yadda ya kamata kuma za a iya tabbatar da tasiri da ingancin maganin najasa.