Iziminyo zokuhlanza kwamandla amadala: Sizinga ukuthi ukubeka amandla amadala akhona kufanele kuzamele i-ASHRAE guidelines

Ezakhiweni zanamuhla ezithengiswayo nezakhiweni ezakhiwe ngezimboni, ukwakha umoya omuhle kakhulu usuke usuyisinyathelo sokuphila kahle esiqondiswe endaweni ethile waba umthwalo wemfanelo oqinile ngokomthetho nangokwezimali. Abaphathi bezakhiwo, onjiniyela be-MEP (Mechanical, Electrical, and Plumbing) nabathuthukisi bezakhiwo kufanele balinganise njalo amazinga ekhwalithi yomoya wasendlini  ngokumelene nemithetho eqinile yokunciphisa ukukhishwa kwe-carbon.

Ukuhamba kule ndlela ephakeme kakhulu kuyadinga ukubambisana ngokuphelele nesibonelo sesayensi sokufaka amasimu. Isibonelo esihlanganisiwe ngokwamanje esikhundleni lezi zinhloso sisebenzisa i-American Society of Heating, Refrigerating and Air-Conditioning Engineers. amalungiselelo okuhlanza amasimu ASHRAE  kuyisisekelo sokukhulula izinkambo zakho zokuthenga isithengi ukuze uzikrashile kusukela kokuqondwa kwesikhundla ngokwesikhundla nakuba uyabagcina izindlela zokusebenza eziningi.

Isibonelo esihlanganisiwe ngokwamanje: ukuvavanya amalungiselelo okuhlanza amasimu ASHRAE

Kusendaweni yesibonelo sokubambisana nezindlu ezizweni ezinye kukhona i-ASHRAE Standard 62.1 (Ukuhlanza Amasimu Kukhona Ukubonakala Kwemilo Yamasimu Esho Ngaphandle). Le nqubo yekhanda yodwa iyachaza izimilingo zokuhlanza amasimu okusuka emuva kwezindawo zokuzwa nokuchaza izindlela zokusebenza amasimu okukhathazeka kokuhlukaniswa komlando wokusha kwezinto ezincongolozileyo kubantu abasebenzisa izindawo zokusebenza. [1].

Kunokwenzeka ukuthi kubhekwe indlela eyodwa yokuguqula amafutha, kodwa indlela eyisisekelo yezindaba zezinsukwane zibalulekile ziyasebenzisa Indlela Yokuguqula Amathuba (VRP). Le matriki yamafomula iyakhalukha umkhawulo wamafutha amasha ngokubhekana nezinhlobo zezindawo ezithile, izindawo zezindawo zezindawo, nokuthi yiziphi izindawo zokusebenza. Ukuzimela kule zindlela zokubhalwa kuyabeka ukuthi izinto eziphambili zokuphatha kwabantu, izinkampani zokugcina amafutha (VOCs), nokuthi izinkampani zokugcina amafutha kwezindawo ($CO_2$) zihlukaniswa ngokuphelele, ukunika isibalo esisikhubekile ngokwesayensi sokuthi izindawo zokusebenza ziyabulaleka ngokuphelele.

Ukuhlukunyezwa kwesakhiwo: Ukuvuselela kwe-IAQ vs. ukuphanda kwezindlela zokusebenza

Ngeminyaka eyodwa yokuqonda izindawo zokusebenza kwe-HVAC zokusebenza kwezindawo ezinkulu, izivinini zokusebenza zasemthwakweni zazibona ngokuphathelene nendlela eyodwa yokuhlukunyezwa: ukuphanda kwezindlela zokusebenza okuthi kuyasebenza ngokuphathelene nokuthi kufakwa amafutha amasha kwezindawo zokusebenza ukuze kuzimelwe izindlela ezintsha amazinga ekhwalithi yomoya wasendlini .

Ngokwesibonelo, ngesikhathi kwenziwa ucwaningo lwakamuva lokuvuselela indlunkulu enkulu yenkampani esifundeni esimanzi esishisayo, iqembu lokuklama lavele landa izinga lomoya omusha ngaphandle kokuthuthukisa amandla okuhlanza ukushisa okuyinhloko. Umphumela osheshayo waba inkinga enkulu yokuthwala umswakama. Izindawo zokupholisa ezisemkhawulweni wokuqala zazisebenza ngokuqhubekayo ngamandla aphezulu e-compressor ukuze zilwe nokushisa kwangaphandle okungabonakali, okwenza izindleko zokusetshenziswa zikhuphuke ngo-35% futhi kwabangela ukungcola kwe-coil. Lokhu kubonisa ukuthi ukwanda kwevolumu eluhlaza ngaphandle kokunciphisa ukushisa kubhubhisa ukusebenza kahle kwesikhungo.

Ukuze kusizwe abaphathi besevisi ukubona izinkinga zokusebenza, izincazelo zezinhlamvu zokuphatha okunconywa zibhalwe ngalangawe:

Ukuphulisa umsindo: izinhlangano zokubuyisela imandla njengomphakathi wokubaluleka kwezomthetho

Ukuhlumana ngokwesibonelo nge- amalungiselelo okuhlanza amasimu ASHRAE  ngaphandle kokufaka kakhulu imali yezinkundla zokusebenza, abasebenzi besayensi yamagetsi kufanele badele isayensi esihlukene yokubuyisela imandla (ERV) noma isayensi sokubuyisela ukuthwasa (HRV) [2].

Lezi zinhlangano zesayensi zesayensi zokuthwasa zizimela isikhombisa sesikhombisa sezinkambo zokuthwasa zokugcina okuqondile noma okungaqondile kusuka kwezinkambo zokuthwasa zokugcina ezithile kusuka kwezinkambo zokuthwasa zokugcina. Ngokuthi ukuthwasa okuqondile kwezinkundla kuzogcina, ukuthwasa lwalo lwezinkambo zokuthwasa zokugcina kuzobuyiselwa ukuqondisa ukuthwasa kwesinye sokugcina. Kukholwa kakhulu ukuthi izinqambo zokuthwasa zizogcina kunezinkambo ezithile zokuthwasa zokugcina, okunika inkulumo engekho yokuqondisa. Ngokubuyisela up to 80% wezinkambo zokuthwasa zokugcina, i-ERV ibuyisela ukuthwasa okufanele kwezinkambo zokuthwasa zokugcina.

Izivinini zesayensi esihlukene: ukudibanisa ukulawula izinkambo nezinkambo zokuthwasa

Ukuphatha okwesibonelo ngezinsizakwami zasezweni amazinga ekhwalithi yomoya wasendlini  kudinga okungaphezu kokuphinda kusetshenziswe kabusha okulula kwe-thermodynamic; kudinga ukuqoqwa kwezinhlayiya okunzima. Izincomo zanamuhla ze-ASHRAE zicacisa ukuthi izinhlelo zokungenisa umoya ezisebenza ngogesi kufanele zibe nokuhlunga okubhalwe ukuthi kufinyelela ku-MERV 13 (Imali Encane Yokusebenza Okubikiwe) noma ngaphezulu ukuze kubambeke ngempumelelo izinhlayiya ezisezansi kwemikronikhi emoyeni, kuf [3].

Nokho, ukuhlanganisa izihlungi ze-MERV 13 noma ze-HEPA ezinobuningi obuphezulu kwandisa kakhulu ingcindezi ye-static ngaphakathi kwemigwaqo yokuphatha umoya. Ukunqoba lokhu kumelana nokugeleza kwamanzi kudinga izinhlelo zokuphatha umoya ezenziwe ngokunemba ezihlome ngama-fan athuthukile, anejubane eliguquguqukayo. Lezi zinhlaka ezihlakaniphile zezivunguvungu zilungisa ngokuzenzakalelayo i-torque yazo ngokusekelwe ekulayisheni kwe-filter ngesikhathi sangempela, zigcine amazinga okuhamba komoya aqinile ngenkathi kuvinjelwa ukushiswa kwezimoto ngaphambi kwesikhathi.

Ukuhambisana nezimo eziqinile zesikhathi esizayo: ukuklama izindawo ezinempilo kakhulu nomdondoshiya wezokukhiqiza

Ukwenza umqondo wokuhamba kwamafutha ongenakukhathazwa okwenzeka ngokuphikisana nokufanele kwezindlela zokwakha ezizigaba zaseNingizimu Afrika zokwakha, kudinga izinkampani ezinamandla okusebenza ezingenakukhathazwa, ezitholakala kusuka ku-technical pioneer esiqalekile. Lokhu kukuphela ukuthi ukubambisana ne-pioneer esikhundleni sokuzisa Holtop  sibuyisela indlela yakho yokuzisa izinto ezilungile. Ngaphezu kwezinsuku ezingu-20 zokuzisa kanye nokuzisa kwe-energy recovery ventilation kanye nokwakha kwe-customized air handling unit (AHU), Holtop  yisibonelo esikhulu se-global supply chain sokuzisa izinto ezilungile kwezindlela zokwakha ezilungile kwezindawo zokusebenza.

Ukusebenza kwezindawo ezinkulu zokuproducwa ezinamandla okusebenza ngokwezinye kanye nokusebenza kwezindawo zokuzisa ezinamandla okusebenza ngokwezinye, ezinamandla okusebenza ngokwezinye kanye nokusebenza kwezindawo zokuzisa ezinamandla okusebenza ngokwezinye, Holtop  uyabona konke ukuthi kuziphatha kwezinto zokuzisa, ukuthi kuziphatha kwezinto zokuzisa, kanye nokuthi kuziphatha kwezinto zokuzisa. Uma iprojekthi yakho iyadinga izinhlobo zokuzisa ezifanayo kanye nezinhlobo eziningi zokuzisa ezinamandla okusebenza ngokwezinye, Holtop  iyathumela izisombululo ezinamandla okusebenza ngokwezinye ezinamandla okusebenza ngokwezinye. Biza i- Holtop  isigaba sesayensi yezindlela kusasa ukuze ubuyise ukubhalisa okufanayo kwezindlela zokugcina amandla nezindlela zokuhambisa umoya kumsebenzi wakho.

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[1] ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) : Isiqhelo 62.1-2025/2026 - Ukuvulwa kwezindawo zokusebenza ngokwesibonelo sokuhle kokugcina umoya kuzindawo zokusebenza nokuthi kufanele kwenziwe ngokwesayensi yokuvulwa. https://www.ashrae.org/technical-resources

[2] I-Department ye-Energy yase-United States (DOE) - Indima Yokuphatha Amadla Emaphakathi : Izintechinoloji Zokubuyela Amadla Kuma-Air-to-Air Nezindlela Zokubala Umphumela Wokubuyela Amadla Kuma-Heat Exchanger. https://www.energy.gov/eere/buildings/commercial-buildings-integration

[3] Inqanawa Yemiphumela Yokuvala Umoya (NAFA) : Ukuzazi Okungahleli Kukuthi Kufanele Kukhethwe Ukuvula Umoya Ngokwesibonelo Se-MERV 13+ Kunye Nezindlela Zokubala Umoya Ongavaliwa Ngokwesibonelo Esikhulu Kuma-Air Handling Systems. https://www.nafahq.org/