1, Bayanin Aikin
Kamfanin Donghai Fisheries Co., Ltd., wanda ke Peru, wani kamfani ne na zamani na samar da kifi a gwangwani wanda ke da ƙarfin samar da tan 10000 a kowace shekara. Ruwan sharar da ake samarwa a lokacin samar da shi yana da halaye na yau da kullun na masana'antu: fitar da ruwan shara a kowace rana yana da kimanin tan 800, yawan mai yana da yawa har zuwa 350-400mg/L, wanda ya zarce ƙa'idodin fitarwa, kuma yana ɗauke da adadi mai yawa na furotin, tarkacen kifi, da kayan sarrafa sauran. Yawan COD yana cikin kewayon 2500-3000mg/L na dogon lokaci. Tsarin gargajiya na "grid+air flotation+biochemistry" zai iya kawar da wasu gurɓatattun abubuwa, amma ingancin tsarin tace matsi yana da ƙasa, kuma yawan danshi na kek ɗin tacewa yana da yawa har zuwa 75%, wanda ba wai kawai yana haifar da ƙaruwa mai yawa a cikin farashin maganin laka na gaba ba, har ma da yawan mai a cikin bututun har yanzu yana canzawa tsakanin 80-120mg/L, wanda hakan ke sa ya zama da wahala a cimma daidaito mai dorewa.
2, Babban Kalubale da Magani
Matsalolin raba mai:
Man da ke cikin ruwan sharar kifin gwangwani yana nan a yanayin da aka fitar da sinadarin emuls da kuma wanda aka dakatar, kuma hanyoyin yin iyo a iska na gargajiya suna da wahalar karya sinadarin emulsion gaba ɗaya. Ƙungiyar aikin ta gabatar da wanimatattarar tace ta ɗakin injina ta atomatik mai sarrafa shirin, an haɗa shi da zane mai tace polypropylene mai jure wa mai, don cimma riƙe mai ta hanyar tacewa matakai uku:
Matakin kafin a fara magani:Da farko ana yi wa ruwan shara magani da mai raba mai don cire mai mai iyo, sannan a ƙara FeClⅢ coagulant (yawan 400mg/L) don kawo cikas ga daidaiton colloidal, yana samar da flocs masu girman barbashi sama da 50 μm;
Matattarar matsawa:A ƙarƙashin matsin lamba na 0.8 MPa, ana samar da wani yanki na kek ɗin tacewa mai ƙarfi a saman zanen tacewa, wanda ke katse ɗigon mai da girman barbashi ya fi 1 μm. A lokaci guda, tsarin mai lanƙwasa a saman farantin tacewa yana ƙarfafa tantance man da aka fitar da shi ta hanyar amfani da sinadarin emulsified;
Matakin matsewa:A shafa matsi na 1.2MPa a cikin kek ɗin tacewa ta hanyar tsarin hydraulic, a ƙara fitar da mai, sannan a ƙarshe a rage danshi na kek ɗin tacewa zuwa ƙasa da 55% da kuma yawan mai zuwa ƙasa da 8%.
Inganta ingancin rabuwar ruwa mai ƙarfi:
Tsarin bel ɗin jigilar kaya mai ɗaukar nauyi ta atomatik (tare da bandwidth na 800mm da saurin isarwa na 0.5m/s) yana aiwatar da cikakken aikin tacewa, saukewa, da jigilar kaya ta atomatik:
Haɗin kai mai hankali:Bayan matsewar tacewa ta kammala zagaye ɗaya na aiki (kimanin mintuna 45), farantin tacewa yana buɗewa ta atomatik kuma kek ɗin tacewa yana zamewa ƙasa zuwa bel ɗin jigilar kaya ta hanyar nauyi;
Tsarin hana mannewa:Ana yi wa saman bel ɗin jigilar kaya magani da murfin PTFE, tare da na'urar fesa ruwa mai ƙarfi, don guje wa toshewar da ke haifar da mannewar kek ɗin tacewa;
Amfani da albarkatu:Ana iya amfani da kek ɗin tacewa mai ɗanshi na kashi 55% kai tsaye a matsayin kayan abinci, kuma an kiyasta cewa zai iya samar da kusan Yuan 120000 a cikin kuɗin shiga na kayan da aka samar a kowace shekara.
Nau'in akwatin matattara:sanye take da tsarin sarrafa PLC, tana iya daidaita matsin lamba na ciyarwa da lokacin latsawa ta atomatik bisa ga ingancin ruwan shiga. Bayanan gwaji na ainihi sun nuna cewa amfani da wutar lantarki don magance tan ɗaya na ruwan sharar gida shine kawai 0.85 kWh, wanda ya fi ƙasa da na mashinan tace farantin gargajiya da firam da kashi 40%;
Belin jigilar kaya:An haɗa shi da tashar fitarwa ta matattara ba tare da matsala ba, ta hanyar ɗaukar ƙirar zamani, tana iya maye gurbin sassan da suka lalace cikin sauri, kuma za a tsawaita lokacin gyara zuwa watanni 6.
3,Tasirin aiwatarwa da fa'idodin tattalin arzikiAmfanin muhalli:
Yawan man da ke cikin bututun ya ragu daga 120mg/L kafin a gyara shi zuwa 12mg/L, inda aka samu raguwar fitar da COD da kashi 97% da kuma raguwar fitar da man fetur da kusan tan 28 a kowace shekara;
Danshin kek ɗin tacewa ya ragu da kashi 20%, kuma adadin laka da ake jigilarwa a waje ya ragu daga tan 60 a kowane wata zuwa tan 22, wanda hakan ya rage farashin sufuri da kusan kashi 70%.
aikin tattalin arziki:
Kudaden shiga na shekara-shekara daga amfani da albarkatun kek ɗin tacewa shine yuan 120000, wanda ya ninka kashi 60% na farashin raguwar kayan aikin tacewa;
Jimillar farashin amfani da wutar lantarki da magunguna ya ragu da kashi 35%, wanda hakan ya haifar da tanadin kusan yuan 250000 a kowace shekara a cikin kuɗaɗen gudanarwa.
sakamakon zamantakewa:
Bayan aiwatar da aikin, kamfanin ya zarce takardar shaidar tsarin kula da muhalli ta ISO 14001, wanda ya zama ma'aunin kare muhalli a masana'antar sarrafa kayayyakin ruwa ta gida da kuma inganta ci gaban matakin masana'antar kore ta yankin.
4, Sharhin Abokan Ciniki
Ta hanyar gabatar da haɗin mafita na mashin tacewa na akwati da bel ɗin jigilar kaya, mun magance matsalar da ta daɗe tana fama da ita ta hanyar tsaftace ruwan shara. Yanzu, ba wai kawai za mu iya samun isasshen fitarwa mai ɗorewa ba, har ma ana iya amfani da kek ɗin tacewa azaman kayan abinci don samar da ƙarin kuɗi. Matsayin hankali na wannan kayan aikin ya wuce tsammanin da aka yi, kuma an rage farashin aiki da kulawa da kusan rabi.
——Rene, Daraktan Samar da Ayyuka na Kamfanin Kamun Kifi na Donghai,
Lokacin Saƙo: Agusta-25-2025