Muhit ta hanyar kankanta, gwaji mai tsuya mai namuwa da taimakon kayan awo na unitin gina ruwa

Muhit ta hanyar kankanta: Ma'aikata da Najamolin Lahobin Zaman lafiya

Iyakar da tsawon zaman lafiyar unitin gina ruwan waje suna tazara ne akan fahimtar muhit ta hanyar kankanta—wanda ke tsaki daya a cikin input don gwajin tsuya mai namuwa da zaɓi na taimakon kayan awo. Zaman lafiya na gabaɗayan yanki yana canzawa sosai bisa zuwa da composition na atmosfir.

Ma'aikatan Salt, Humidity, Temperature, da Pollutants

An kawo mai zuwa ta alkarabtar da yawa wanda zagu ya hadu da yanayin halitta:

• Abubuwan da aka shigar da ke aiki kamar electrolytes, suna ba da damar samar da sauri tsakanin abubuwan anodic da cathodic a kan sarufan logam
• Humidity mai karanci 60% yana kawo cikakken ruwa wanda yake bukatar samun aiki na electrochemical
• Wannan karancin 10°C na tsarin halitta zai iya dubawa kawon rashin halitta
• Gadon gado kamar sulfur dioxide suna samar da abubuwan da ke kama da acidic wanda suka karyata furfuren da ke karya

Wannan haɗin tushen yanayi yana bayyana mun farawa HVAC a kasa ta lautu suna kurudansa 4—5 lokaci fi irin sune a duniya. Misali, zinc coatings da aka buga zuwa wani salt da humidity suna kurudansa 30% fi irin suke a waje (NACE 2023). Wannan haɗin tushen ba tare da labarin labari mai nau’i daya—wanda yake karyata ikon hankalin hanyoyinsa.

Takardun Lautu, Masana’antu, da Urban Corrosivity don Sauƙaƙe HVAC

Yiwa da kanso yaɗa zuwa wani yanayi, shin ka buƙatar hanyar kari:

Zaune da ke kasa da kyau gaban hanyar kasa, wadanda suna nisa uku ga mita biyar na kyau bayan kasanin kasa suna cikin tsauri mai zurfi. Lokacin da angwar ta fito daga larada, yaki ya samu namda, kuma matakan namda sun yi fi uku mili gramu per cubic meter. Ga wurare da ke karin girma a karkashin girman tattalin arzikci, matakan asidin sariki suna fito fi uku gom 15 microgram per cubic meter. Koma iri-iri kuma suna da batutuwa, saboda masu amfani da namda na hanyoyin sadarwa don fuskantar kurmi, kuma wasan marayan indauna. Duk daya daga cikin waɗannan abubuwan yana iya tasowar yadda mu saita shirin gyara hankali, gyara hankali, gyara hankali, yadda zamu sanya lokacin da za a yi gyara hankali, kuma nawa daga cikin alkarbuba da za a chafa sama da suke kan abubuwan amfanin.

Zaunin Tsuntsuwar Namda: Manufa, Daidaitowa, da Furoko Mai Iyaka

ASTM B117 da ISO 9227 Taceko—Amfani da Lahira a cikin HVAC-R

Mafarkin ASTM B117 da ISO 9227 suna aiki a yau da kullum a tsakanin sarrafa yayin koyaushe yadda kayan nuna ke tsada zuwa haɓakawa a cikin ajiyar HVAC-R na waje. Wadannan maganganun testo suna amfani da kayan nuna zuwa ga sara mai gishiri waɗake shiga 5% sodium chloride a kusan 35 daraja Celsius bayani daga 500 zuwa 2000 sa’a. Wannan yana tsarkela abu mai dabar da za su faru gaban koma, amma yana kara rashin daidaito. Da halin, waɗannan hanyoyi suna aiki kyauta don koyaushe tsari mai zuwa nebi daya da kuma tabbatar da ayyukan kiyaye masifa a lokacin. Amma, akwai jerin mahimmancin sharuddan halayen da labarin baya ba waɗannan testo ba su yi la’akari da su ba. Dua kamar canjin zarbar rana ya kamata ya fi 40 daraja Celsius, batutuwa mai zuciya ta kuma yake karɓar polimer, ruwan sama mai asamitir taron pH koƙarin 5.6, kamar yadda ya kamata, kuma alaƙa mai zurfi da alabbar. Saboda wannan kasancewar ban kwatanci, kowane coating din da ke dawo 1000 hour ASTM B117 testo yana iya fara rinka idanu kawai 18 wata lokacin an kiyaye shi a gaban koma. Akwai farko girman farko tsakanin abin da zai faru a laboratori mai tsado da abin da kayan ajiya ke fuskanta a duniya mai kyau.

Domin Allahalin Lab Pass Rates Ba Yabuta Mataki Na Tsawon Ci Gaba

Za a iya ambata alamar magana ta salt spray saboda tsarin makarantu bai yi la'akari da yadda wasu abubuwan da ke kuskuren yanki suna aiki together ba. Lokacin da kayayyaki sunna daya dake cikin gudu, suna watsawa waɗannan lokutan na asali na wuya wanda ke sa corrossion ya tafi mai zurfi labarun lokaci. Sai dai, waɗannan magani suna manta wasu abubuwa kamar cutuna mai zurfi masu juzuwa ko maɓallin farfado a cikin wasu impurities. Bayanin yanki ya nuna waje game da kyau tsakanin ma'amar makarantu da na'urar da gaske. Wasu kayayyaki suna sarrafa maganan ASTM B117 na 2000 hour amma suna kuskure domin hanya biyu lokacin da aka shiga su zuwa ga girman rukuni mai yawa da yawa (80%) da chloride deposits kamar 300 mg per square meter kowace rana. Magani waɗanda ke canza halayyin, kamar nau'in ASTM D5894 waɗanda ke hada UV light, salt fog, da drying phases, suna iya bayyana kuskuren na gaskiya sosai - buƙatar ilimi suna nuna tadaccin tarazuwa ta ƙare tsakanin 40 zuwa 60 percent. A wani irin, ƙarni mai yawa na HVAC-R suna tashi da watauwa a kan standardar da ya gabata. Wannan tsarin hankali mai guda wata ya sa kayan aikin ya kasance mai kuskuren kuskuren kuzari, wadanda ne masu ilimi suna rage daidai don magani masu iyaka waɗanda ke haɗa da ma'aunin halayyen da gaske.

Furuci na Nisa Mai Daidaitawa don Tattara da Zaman Hukumar A Rani

Kwayoyin Zinc-Aluminum vs. Kwayoyin Epoxy-Polyester Powder

Albarkatu na rani wanda aka shahewa zuwa tsarin manyan haliyar yanzu bukatar kwanyar kansa don takaifawa daga kwayar hasken gini. Lokacin da muka yi bayani game da yanayin da ke iya haifar da masallaci ta canzuro, kwayoyin zinc aluminum suna aiki kyau saboda suna barin natsuwar su don karyawa mai steelin baya. Bayanan da ke biyansu ASTM B117 suna nuna cewa kwayoyin waɗannan na iya samun karfin aikin uku ne na kewayen zinc na asali a wasu lokuta. Kwayoyin epoxy polyester powder (EPS) suna amfani da hankalin dabbacin. Suna kirkirar takalmamin kwanyar gina waɗanda ke tsare ma'adinai masinku da ruwan sama mai alkali. Amma akwai abubuwa maimakon dole ne a yi la'akari da su lokacin da ake zaɓi tsakanin waɗannan zabin.

A halartar da wani yanayi, yankin zinc-aluminum zai sa tausaye; a yankuna da kayan aikin, yankin EPS zai sa tausaye sosai.

Tasowa mai Sabon Generation: Nano-Ceramic Sealants da Self-Healing Polymers

Kwayoyin nano ceramic, wanda ke yauƙi ne mai zuwa a matsayin kayan silica wanda ke kirkirar haɗuwa a filin jimlar da satunan na’ura, yana kirkirar gwajin gwaji mai sha'awa wanda ya kare haske ta hanyar nema sama da shekara akan amfanin karbar ruga. Yadda wannan abu ke haɗuwa da na’uror shi ne yana durcewa canzawa a ƙasa gabashin film, ko da kunna akwai garkuwa. Wasu kayan nau'i sabon polymer sun juya wannan tattara ta hanyar gyara abubuwan da suka tsaye. Wannan yana ƙarshen boro mai guje-guje wanda yana ɓoye abu daga ciki yayin da ya sami ruwa, kuma yana gyara garkuwa mai kyau yayin da su fito - abin da ke mahimmanci a yankuna wanda ke tabbatar da canjin girma na uku. Abin da ke kimanta duk wadannan abubuwa shine yadda yake amsa batutuwa muna ganin da standard corrosion tests domin wuyi mimikar abin da ke faru a halayen yanzu a lokaci. Tambayoyin farada a wuraren da ke da ruwa mai yawa sun sallaba alamun kayan aikin da aka yi nanocoatings suna buƙata girman sigogar 40% karanci dibu da kayan da ba'a yi. Wannan yana nuna wa saza za a iya hada babban tauraro tsakanin ma'amalin labotari da performance farko yayin da abubuwa su faru.

Tambayoyi Masu Yawan Faruwa

Shin kwana da fahimtar halayen kashin korosi ga tsarin HVAC?

Fahimtar halayen korosi suna da mahimmanci ga tsarin HVAC saboda suna nuna yadda za a ƙirƙiri gwamnati na gwiwa mai zurfi da zaɓi na tacewar abubuwa da zai sauye alkarfi da aiki a cikin waje da alabata daban-daban.

Yaushe ne kayayyakin alabata suka yi amfani da bayanai don rage korosi?

Kayayyakin alabata kamar karburi, rawa, girma, girman ruwa, da abubuwan da ke wasa duniya suna farar korosi ta hanyar rashin kimiyya. Suna aiki birgidu don bawa ruwa mai alkarfi da sharuddan sididi domin rage tacewa mai sauqe.

Wane sabon gwamnati na lab na iya kuwa iyaka a nemi aikin bayanai?

Tsarin labuwa ta alama ta hagu tambayoyin ainihin kai tsaye saboda ta kasance take jeri akan abubuwan da ke yawan sa without accounting for the complex interactions and varying conditions found in real-world environments, kamar canjin karin rana, samun rayuwa, da interaction na gudummawa.