Fasahar kera gilashi tare da fasalulluka na sarrafa zafin jiki ta atomatik
Masana'antar gilashi wani yanki ne na masana'antu wanda ya dogara sosai akan kwanciyar hankali na zafi. Daga narkewar kayan abu da samuwar takarda ko kwalba zuwa ga sarrafa annealing, komai yana buƙatar daidaitaccen sarrafa zafin jiki. Ko da ƙananan bambance-bambancen zafin jiki na iya haifar da lahani na samfura kamar kumfa, karkatar da siffa, ƙananan fasa, har ma da rage ƙarfin injina. Saboda haka, haɓaka fasahar kera gilashi tare da sarrafa zafin jiki ta atomatik shine mabuɗin inganta inganci, ingantaccen amfani da makamashi, da amincin aiki.
Me yasa zafin jiki yake da matuƙar muhimmanci a yin gilashi?
Gilashi abu ne mai kama da siffa mara tsari wanda dankonsa yana da matukar tasiri ga zafin jiki. A wasu yanayin zafi, gilashi yana da ruwa sosai don haka yana da sauƙin ƙera shi, amma yayin da zafin yake raguwa, dankonsa yana ƙaruwa sosai kuma kayan yana "tauri." A cikin ayyukan masana'antu, dole ne a sarrafa canje-canje a cikin danko don gilashin ya iya gudana, ya zama siffa, kuma ya sanyaya ba tare da haifar da damuwa ta ciki ba.
Wasu daga cikin muhimman abubuwan da ke cikin sarrafa gilashin sun haɗa da:
1. Matakin narkewa: ana dumama cakuda yashi na silica, tokar soda, farar ƙasa da sauran ƙarin abubuwa har sai ya zama ruwa iri ɗaya.
2. Matakin tacewa: rage kumfa na iskar gas da inganta daidaito.
3. Matakin ƙirƙirar: gilashin da aka narke yana yin zane-zane, kwalabe, ko wasu siffofi.
4. Matakin ƙara zafi: sanyaya jiki da aka auna don kawar da damuwa ta ciki.
A kowane mataki ana buƙatar lanƙwasa yanayin zafi daban-daban, don haka sarrafa zafin jiki ta atomatik yana da matuƙar muhimmanci.
Manufar asali ta sarrafa zafin jiki ta atomatik
Siffofin sarrafa zafin jiki ta atomatik a masana'antun gilashi gabaɗaya suna dogara ne akan tsarin sarrafa madauri mai rufewa, wata hanya ce da ke karanta ainihin zafin jiki ta hanyar firikwensin, tana kwatanta shi da ƙimar manufa (saitin), sannan kuma tana daidaita tushen zafi ko kwararar sanyaya ta atomatik. A aikace, wannan tsarin ya ƙunshi:
- Na'urar firikwensin zafin jiki (thermocouple, RTD, ko infrared pyrometer)
- Masu sarrafawa kamar masu sarrafa PID, PLCs, ko DCS
- Masu kunna wutar lantarki kamar bawuloli na iskar gas, masu ƙona wutar lantarki, abubuwan dumama wutar lantarki, masu rage iska, da magoya bayan sanyaya
- Manhajar sa ido don nazari, ƙararrawa da kuma yin rajistar bayanai (masanin tarihi)
Tsarin sarrafawa ta atomatik yana ba da damar tsarin ya kiyaye yanayin zafi mai kyau duk da canjin kayan aiki, canje-canje a cikin nauyin samarwa, ko bambance-bambancen yanayin muhalli.
Na'urori masu auna zafin jiki: tushen daidaiton sarrafawa
Daidaiton sarrafa zafin jiki yana farawa da ingancin karatun firikwensin. A cikin yanayin masana'antar gilashi, firikwensin dole ne su jure zafi mai yawa, tsatsa, da hasken zafi. Wasu fasahohin firikwensin da aka saba amfani da su sune:
– Thermocouple: ana amfani da shi sosai saboda yana da ƙarfi kuma yana iya aiki a yanayin zafi mai yawa, ya dace da wuraren murhu.
– RTD (Mai Gano Zafin Jiki): mafi daidaito a cikin wani takamaiman kewayon zafin jiki, wanda galibi ana amfani da shi don matakin annealing ko yankuna masu ƙarancin zafi.
– Infrared pyrometer: yana auna zafin jiki ba tare da taɓawa ba, yana da matuƙar amfani don sa ido kan saman gilashin narke ko zanen gilashi da ke motsawa akan layin samarwa.
Haɗin na'urori masu auna zafin jiki da yawa a wurare daban-daban (hangen nesa da yankuna da yawa) yana taimakawa wajen samar da taswirar zafin jiki ta ainihin lokaci ta yadda mai sarrafawa zai iya daidaita ƙonewa ko dumama sosai.
Masu sarrafawa masu wayo: daga PID zuwa samfuran annabta
A matakin farko, sarrafa zafin jiki ta atomatik yana amfani da PID (Proportional-Integral-Derivative). PID yana aiki ta hanyar ƙididdige bambanci tsakanin wurin saitawa da ainihin zafin jiki, sannan ya samar da fitarwa mai sarrafawa wanda ke daidaita adadin kuzarin zafi. PID ya kasance mai dacewa saboda yana da sauƙi, sauri, kuma mai sauƙin aiwatarwa.
Duk da haka, tsarin yin gilashi yana da halaye masu rikitarwa: jinkirin zafi, canje-canjen danko mara layi, da kuma hulɗa tsakanin yankunan zafin jiki. Saboda haka, wurare da yawa na zamani sun fara ɗaukar:
– Sarrafa PLC/DCS mai yankuna da yawa, inda kowane yanki na tanda yana da nasa madaurin sarrafawa amma yana ci gaba da kasancewa daidaitacce.
– Tsarin Kula da Hasashen Samfura (MPC), wanda ke amfani da tsarin tsari don hasashen martanin zafin jiki na gaba da inganta ayyukan sarrafawa. MPC ta yi fice a cikin matakai masu jinkiri da masu canji da yawa.
– Gyaran AI/Injin Koyo, yana taimakawa wajen saita sigogin sarrafawa (kamar gyaran PID) bisa ga bayanan tarihi don zama mafi dacewa da yanayin samarwa da ke canzawa.
Tare da masu sarrafawa masu wayo, masana'antu na iya kiyaye daidaiton zafin jiki mai ƙarfi, rage lahani ga samarwa, da rage amfani da makamashi.
Konewa ta atomatik: ingancin makamashi da ƙarancin hayaki mai gurbata muhalli
Yawancin tanderun gilashi suna amfani da iskar gas ko wasu mai tare da iskar da aka sarrafa. Tsarin zamani na atomatik yana da masu ƙona wuta waɗanda ke ƙara ko rage ƙarfin harshen wuta cikin sauƙi, maimakon kawai kunna shi ko kashe shi. Bugu da ƙari, sarrafa rabon iska da mai yana taimakawa wajen tabbatar da yanayi mafi kyau na ƙonewa.
Babban fa'idodin amfani da atomatik na konewa sun haɗa da:
– Tanadin mai saboda ana samar da zafi bisa ga ainihin buƙata.
– Zafin jiki ya fi karko, don haka ingancin samfura yana inganta.
– Rage fitar da hayaki, domin ƙarin ƙonewa gaba ɗaya yana rage wasu iskar gas mai fitar da hayaki kuma yana taimakawa wajen bin ƙa'idodin muhalli.
A wasu masana'antu, ana haɗa fasahar iskar oxygen-man fetur (ta amfani da iskar oxygen mai tsabta ko mai wadata) tare da sarrafawa ta atomatik don ƙara ingancin zafi da rage yawan iskar gas da ke fitarwa.
Sarrafa zafin jiki ta atomatik a cikin tsari na samarwa da kuma rage zafi
Bayan narkewar, gilashin yana shiga tsarin yin abubuwa, kamar tsarin gilashin da ke kan ruwa don gilashin da ke lebur ko tsarin yin ƙera kwalaben. A wannan matakin, zafin jiki yana ƙayyade ikon siffanta gilashin ta hanyar na'urori masu juyawa, molds, ko fashewar iska. Tsarin atomatik yana ajiye gilashin a cikin "tagar danko" daidai.
Mataki na gaba shine annealing lehr, wani ramin dumamawa wanda ke daidaita raguwar zafin jiki a hankali. Idan gilashin ya yi sanyi da sauri, damuwa na ciki na iya taruwa, wanda zai iya sa ya fashe yayin yankewa ko amfani. Tare da sarrafawa ta atomatik, ana raba lahr zuwa yankuna da yawa na dumama da sanyaya, kowannensu yana da takamaiman wuraren saitawa dangane da nau'in gilashin, kauri, da saurin layin samarwa.
Haɗin IoT da sa ido a ainihin lokaci
Ci gaba na baya-bayan nan shine haɗa na'urori masu auna zafin jiki da sarrafawa tare da tsarin Intanet na Masana'antu (IIoT). Ana iya aika bayanai kan zafin jiki, amfani da makamashi, matsin lamba, da ƙimar kwararar iskar gas zuwa dashboard na ainihin lokaci. Masu aiki da injiniyoyi za su iya:
- Kula da yanayin zafin jiki a kowane yanki a cikin siffar zane.
- Karɓi ƙararrawa ta atomatik idan zafin jiki ya fita daga haƙuri.
- Gudanar da bincike kan asalin dalilin lahani na samfurin.
- Ci gaba da inganta sigogin tsari.
A zahiri, wasu masana'antu sun aiwatar da gyaran hasashe, misali gano raguwar aikin ƙonawa ko lalacewar na'urori masu auna firikwensin ta hanyar tsarin bayanai marasa kyau, kafin manyan katsewar samarwa su faru.
Kalubalen aiwatarwa da kuma batutuwan tsaro
Duk da fa'idodinsa masu yawa, aiwatar da sarrafa zafin jiki ta atomatik a masana'antar gilashi yana haifar da ƙalubale. Muhalli mai tsauri na iya hanzarta lalacewa ta na'urori masu auna firikwensin, wanda hakan ke sa daidaitawa akai-akai da kuma sake kunna na'urar ya zama dole. Bugu da ƙari, tsarin sarrafawa dole ne ya sami tsarin da ba ya gazawa: idan na'urar firikwensin ta gaza ko kuma karatun ya zama ba daidai ba, dole ne tsarin ya sami damar shiga yanayin aminci, a hankali ya kashe mai ƙona, ko kuma ya haifar da tsarin gaggawa.
Tsaron yanar gizo yana ƙara zama abin damuwa yayin da haɗin IIoT ke buɗe haɗarin shiga ba tare da izini ba. Saboda haka, masana'antu suna buƙatar aiwatar da rarraba hanyoyin sadarwa, sarrafa shiga, da kuma duba tsarin akai-akai.
Kammalawa: zuwa ga samar da gilashi mai inganci da dorewa
Fasahar yin gilashi tare da fasalulluka na sarrafa zafin jiki ta atomatik ta zama ginshiƙin sabunta masana'antar gilashi. Tare da ingantattun na'urori masu auna sigina, masu sarrafa hankali, sarrafa kansa ta hanyar harbawa, da haɗa bayanai a ainihin lokaci, masana'antu na iya samar da kayayyaki masu daidaito, rage lahani, rage farashin makamashi, da inganta aminci da aikin muhalli. A nan gaba, haɗakar MPC, nazarin bayanai, da kuma fasahar wucin gadi za ta ƙara ƙarfafa ikon masana'antu na sarrafa hanyoyin zafi masu rikitarwa ta hanyar daidaitawa - suna haifar da samar da gilashi mafi daidaito, inganci, da dorewa.
