Tiyeni tinene zoona: kuyendetsa hotelo ndi vuto lalikulu. Alendo amafuna chitonthozo nthawi zonse.–mpweya wabwino, kutentha kwabwino, zipinda zabata. Koma kupopera mpweya wabwinowo pamene mukutulutsa mpweya wakale kumatanthauza kutentha kapena kuziziritsa mpweya wakunja nthawi zonse kuyambira pachiyambi.'Zili ngati kusiya chitseko cha chipinda chosungiramo zinthu chotseguka ndikuwona ndalama zanu zikutuluka ndi mpweya wotulutsa utsi. Mumamva choncho mwezi uliwonse pa bilu yamagetsi. Koma bwanji ngati mutapeza mphamvu zambiri zimenezo? Lowani ngwazi yosayamikirika ya magwiridwe antchito a hotelo:Chothandizira Kubwezeretsa Kutentha (HRV)) kapena msuwani wake wosamalira chinyezi, EnergyChothandizira Kubwezeretsa Mpweya (ERV)Ichi si chida china chongokongoletsa malo obiriwira; ndi kusintha kwakukulu kwa momwe mahotela anzeru amayendetsera mpweya wawo, mphamvu zawo, ndi phindu lawo.

 

Chifukwa Chake Mpweya Watsopano Si Waulere (Makamaka m'mahotela)

Mahotela amakono amatsekedwa bwino kuti agwire ntchito bwino, osati mpweya wozizira wokha komanso fungo, chinyezi, CO2, ndi zinthu zonyansa zomwe zimatuluka mumlengalenga kuchokera ku zinthu zotsukira, kuphika, komanso anthu. Malamulo omanga nyumba ndi zomwe alendo amayembekezera zimafuna kusintha kwakukulu kwa mpweya wabwino.–Muyezo wa ASHRAE 62.1 umafotokoza zofunikira, nthawi zambiri kumasulira kuti ma cubic feet ambiri pamphindi (CFM) pa chipinda chilichonse cha alendo ndi malo ogona. Taganizirani izi:

 

•Nyengo yozizira: Kuzizira, kouma (-10°C? -20°C?) mpweya wakunja umafunika kutenthedwa mpaka kufika pamalo abwino 22°C ndi chinyezi.

•Chilimwe: Kutentha kwambiri, chinyezi (35)°C yokhala ndi chinyezi cha 80%?) mpweya wakunja umafunika kuziziritsidwa kwambiri komanso kuchotsedwa chinyezi.

 

Mphamvu yofunikira kuti mpweya wabwino *wofunikira* ukhale wabwino ndi wodabwitsa. M'mahotela ambiri, makamaka m'malo otentha kwambiri, imatha kukhala 30-50% kapena kuposerapo ya mphamvu yonse ya HVAC. Izi zimakhudza mwachindunji phindu. Makina achikhalidwe amangotulutsa mpweya wakale, wokonzedwa bwino ndikubweretsa mpweya wakunja wosakonzedwa, ndikulipira mtengo wonse wa mphamvu nthawi iliyonse. Ndi zinyalala zenizeni. Simungataye madzi otentha abwino mu ngalande pomwe nthawi yomweyo mukulipira kutentha madzi ozizira, sichoncho? Komabe zimenezo'ndi zomwe zimachitika ndi mphamvu yopumira.

 

HRV/ERV: Kujambula Wojambula Wothawa

Apa ndi pomwe matsenga amachitikira. HRV/ERV ndi bokosi lanzeru lomwe lili ndi pakati pa kutentha komwe kumatuluka. Lili pakati pa mpweya wotuluka womwe umatuluka ndi mpweya watsopano womwe umatuluka.'Mfundo yaikulu ndi iyi:

 

1. Mitsinje Iwiri, Kusasakaniza: Mpweya wozizira komanso wozizira wamkati (m'nyengo yozizira) kapena mpweya wozizira wamkati (m'chilimwe) umatha *kunja* kwa nyumbayo. Nthawi yomweyo, mpweya watsopano wakunja umalowetsedwa *mkati*. Chofunika kwambiri, mitsinje iwiriyi yamlengalenga siisakanikirana kwenikweni. Alendo amapuma mpweya wabwino, osati mpweya wobwezeretsedwanso.

2. Kusinthana kwa Kutentha: Mitsinje imadutsa pakati pa madzi pafupi kwambiri, yolekanitsidwa ndi makoma ochepa, oyenda ndi madzi (mu ma HRV) kapena nembanemba zomwe zimalowa pang'ono (mu ma ERV). Mphamvu ya kutentha imayenda mwachibadwa kuchokera ku mtsinje wofunda kupita ku wozizira kudzera m'makoma/nembanemba awa.

•Ntchito ya M'nyengo Yachisanu: Mpweya wofunda wotulutsa utsi umatenthetsa mpweya wabwino wozizira womwe umabwera. Mpweya wotulutsa utsi umasiya nyumbayo ili yozizira kwambiri, koma mpweya wabwino umalowa mnyumbamo uli wotentha kwambiri, zomwe sizimafuna kutentha kwambiri kuchokera ku boiler kapena uvuni.

•Ntchito ya Chilimwe: Mpweya wozizira wotulutsa mpweya umaziziritsa mpweya wabwino wotentha womwe ukubwera. Mpweya wotulutsa mpweya umachoka wofunda, pomwe mpweya wabwino umalowa wozizira komanso wouma (pankhani ya ma ERV), zomwe zimafuna ntchito yochepa kuchokera ku chiller ndi dehumidifier.

3. Chinyezi (ERVs): Ichi ndiye chinthu chofunikira kwambiri chosiyanitsa. Ngakhale kuti ma HRV amangotumiza kutentha *koyenera* (kutentha), ma ERV amatumiza kutentha koyenera komanso kutentha *kobisika* (chinyezi). Pogwiritsa ntchito nembanemba yapadera:

•Chilimwe: Mpweya wouma wamkati umathandiza kuchotsa chinyezi mumlengalenga wonyowa wakunja. Izi zimachepetsa kwambiri kuchuluka kwa chinyezi chomwe chimachotsedwa m'nyumba.

•Nyengo yozizira: Mpweya wonyowa wamkati umasamutsa chinyezi kupita ku mpweya wouma wakunja, zomwe zimathandiza kusunga chinyezi chamkati ndikuwonjezera chitonthozo cha alendo (khungu louma pang'ono, kugwedezeka kosasinthasintha) popanda kugwiritsa ntchito zotenthetsera chinyezi mwamphamvu.

 

Kupitirira Muyeso: Kupangitsa Kuti Zigwire Ntchito Mu Dziko Lenileni 

Zachidziwikire, si bokosi lamatsenga lokha. Dongosolo la HRV/ERV la hotelo lopangidwa bwino limaphatikizapo:

 

•Malo Okhazikika Pakati pa Nyumba ndi Malo Okhazikika: Mahotela akuluakulu nthawi zambiri amagwiritsa ntchito malo okhazikika pakati pa nyumba omwe amagwira pansi kapena mapiko onse pogwiritsa ntchito njira zoyendetsera nyumba. Mahotela ogulitsa zinthu zakale kapena malo okonzanso nyumba angagwiritse ntchito malo ang'onoang'ono, okhazikika omwe amatumikira zipinda za munthu aliyense kapena madera ang'onoang'ono, zomwe zimapangitsa kuti zikhale zosavuta koma zimafuna malo ambiri. Makina okhazikika amapindula ndi kuchuluka kwa malo koma amafunika malo ambiri oyendetsera nyumba. Malo okhazikika ndi osavuta kuyika m'malo okonzanso nyumba koma amafunika kuyikidwa mosamala (nthawi zambiri m'denga kapena makoma akunja) komanso malo ambiri okonzera.

•Kusefa Kolimba: Kuteteza pakati pa kutentha komwe kumakhudzidwa kwambiri ndikofunikira kwambiri. Ma filters apamwamba a MERV 13+ pa mitsinje *yomwe* imabwera ndi yotulutsa mpweya ndi ofunikira kwambiri. Amatha kugwira fumbi, mungu, ndi zoipitsa, kuteteza pakati kuti pasawonongeke komanso kuonetsetsa kuti mpweya wabwino ukubwera. Ganizirani za tinthu tating'onoting'ono tochokera m'mizinda kapena mungu pafupi ndi malo opumulirako.–kusefa kumasunga dongosololi likugwira ntchito bwino komanso kumateteza alendo.

•Zowongolera Zanzeru: Ma HRV/ERV amakono si mafani opusa. Zowongolera zamakono zimagwirizana ndi Building Management System (BMS). Zingathe:

•Sinthani liwiro la mafani kutengera masensa okhala ndi anthu (monga, olumikizidwa ndi machitidwe oyang'anira zipinda), kuchuluka kwa CO2, kapena machitidwe okhazikika okhala ndi anthu (monga, kukwera pang'onopang'ono pamene zipinda zamisonkhano zilibe anthu).

•Yang'anirani momwe zinthu zilili pakati pa makina ndi momwe zinthu zilili pa fyuluta, zomwe zimayambitsa machenjezo okhudza kukonza.

•Konzani bwino ntchito kutengera kutentha ndi chinyezi chakunja (monga, kupitirira pakati pamene zinthu zakunja zili zofewa ndipo mphamvu sizikugwira ntchito, kapena kusintha makonda osinthira chinyezi cha ERV nthawi ndi nthawi).

•Chitani zinthu zosungunula bwino m'malo ozizira kwambiri kuti madzi oundana asaunjikane pakati pa utsi.

•Malo Oyenera Kuyikidwa: Mayunitsi amafunika malo oti azitha kukonzedwa mosavuta (kusintha kwa fyuluta kumachitika pafupipafupi!). Malo olowetsa mpweya ndi otulutsa mpweya ayenera kulekanitsidwa mosamala kuti asatseke mpweya wochepa (mpweya wotulutsa mpweya usalowe m'malo mwake). Malo olowetsa mpweya ayenera kukhala kutali ndi malo obisika oipitsa mpweya monga malo opakira katundu, malo otulutsira mpweya kukhitchini, kapena malo osuta fodya. Malo otulutsira mpweya sayenera kuyambitsa mavuto kwa alendo omwe ali m'mabwalo kapena m'nyumba zapafupi.

 

Phindu Looneka: Chifukwa Chake Mahotela Akuyika Ndalama

Ndalama zomwe zayikidwa mu ukadaulo wa HRV/ERV zimabweretsa phindu lenileni komanso loyezeka:

 

1. Kusunga Mphamvu Kwambiri: Iyi ndi nkhani yaikulu. Mwa kubwezeretsa 60-85% ya mphamvu ya kutentha yomwe ikanatayika, mahotela amachepetsa ndalama zotenthetsera ndi kuziziritsa zomwe zimagwirizanitsidwa ndi mpweya wopumira. Nthawi yobwezera, makamaka chifukwa cha kukwera kwa ndalama zamagetsi, nthawi zambiri imagwera mkati mwa zaka 2-5. Hotelo yayikulu ku Chicago akuti yachepetsa kugwiritsa ntchito gasi wachilengedwe potenthetsera mpweya wopumira ndi kupitirira 70% atakhazikitsa ma HRV, zomwe zimapulumutsa makumi ambiri pachaka. Ku Miami komwe kumakhala chinyezi, kuyika kwa ERV pamalo opumulirako m'mphepete mwa nyanja kwachepetsa kwambiri nthawi yogwiritsira ntchito chiller ndi mphamvu yochotsera chinyezi nthawi yachilimwe.

2. Kutonthoza Alendo: Mpweya wabwino nthawi zonse ndi wofunika kwambiri. Ma HRV/ERV amatsimikizira kuti mpweya wabwino umakhala wokwanira popanda kupanga mpweya wovuta kapena kusinthasintha kwakukulu kwa kutentha pafupi ndi mawindo kapena zitseko. Ma ERV amaletsa makamaka mpweya wouma kwambiri womwe umapezeka nthawi yozizira (zomwe zimapangitsa kuti munthu asamve bwino komanso kupuma movutikira) komanso amachepetsa chinyezi chochuluka m'chilimwe (kupewa kumva ngati chimfine). Alendo amagona bwino, amamva bwino, ndipo samakonda kusewera ndi thermostat kapena kudandaula za kudzaza. Ganizirani kusiyana pakati pa chipinda chodzaza, chotopa pang'ono ndi chipinda chomwe chimamva bwino komanso chogalamuka nthawi zonse.

3. Mpweya Wabwino Wamkati (IAQ): Mpweya wopumira mosalekeza komanso wolamulidwa umachotsa ndikuchotsa zodetsa: CO2 kuchokera kwa okhalamo, ma VOC ochokera ku zinthu zotsukira, mipando, ndi mpweya woipa, tinthu tating'onoting'ono, ndi fungo. Izi zimapangitsa kuti alendo ndi antchito azikhala bwino, zomwe zingathandize kuchepetsa zizindikiro za ziwengo ndikuwonjezera thanzi lawo lonse. M'dziko la pambuyo pa mliri, IAQ yabwino kwambiri ndi chiyembekezo chachikulu cha alendo komanso mwayi wopikisana. Mutha kugulitsa "Mpweya Watsopano Wotsimikizika."

4. Kuchepetsa HVAC: Mwa kukonza mpweya wobwera, ma HRV/ERV amachepetsa kwambiri katundu pa makina otenthetsera ndi ozizira (ma boiler, ma chiller, mapampu otenthetsera, ma uvuni, ma AC unit). Izi zimapangitsa kuti:

•Nthawi Yowonjezera ya Zipangizo: Machitidwe sagwira ntchito nthawi zonse pa mphamvu yapamwamba kwambiri.

•Ndalama Zochepa Zokonzera: Kuchepa kwa kuwonongeka kwa ma compressor, ma burners, ndi ma coil.

•Kuthekera Kochepetsa Kukula: Mu zomangamanga zatsopano, kutsika kwa katundu wolemera kwambiri kungathandize kuti pakhale zida zazing'ono komanso zotsika mtengo za HVAC.

5. Ziphaso Zokhudza Kukhazikika: Kuchepetsa kugwiritsa ntchito mphamvu kumachepetsa mwachindunji mpweya woipa womwe umapezeka ku hotelo. Kugwiritsa ntchito ukadaulo wa HRV/ERV ndi sitepe yooneka bwino yopita ku zolinga zokhazikika, zomwe zimakopa apaulendo osamala zachilengedwe, makasitomala amakampani omwe ali ndi malamulo oteteza chilengedwe, komanso kukwaniritsa zofunikira zomwe zingatheke.'kuchitapo kanthu kokhazikika kuposa kungopempha alendo kuti agwiritsenso ntchito matawulo.

 

Kupitilira pa Zoyambira: Zoganizira ndi Zochitika

Kugwiritsa ntchito bwino ma HRV/ERV kumafuna kuganizira mosamala:

 

•HRV motsutsana ndi ERV: Kusankha kumadalira nyengo ndi momwe hotelo imagwirira ntchito. Kawirikawiri, ma ERV ndi abwino kwambiri m'malo otentha/ozizira komanso m'malo ozizira komwe kusunga chinyezi m'nyumba nthawi yozizira kumakhala kovuta (monga malo ochitira masewera a ski). Ma HRV angakhale okwanira m'malo ozizira komanso ouma. Mahotela okhala ndi nyengo zosiyanasiyana nthawi zambiri amapindula kwambiri ndi ma ERV. Taganizirani komwe hoteloyo ili: kodi ndi spa yachipululu, malo ochitira masewera olimbitsa thupi a m'mphepete mwa nyanja, kapena malo ogona a m'mapiri?

•Mtengo Woyambirira & ROI: Ndalama zoyambira (zipangizo + kukhazikitsa) ndizokwera kuposa mafani osavuta otulutsa utsi. Komabe, kusunga mphamvu ndi phindu la ntchito kumabweretsa phindu lalikulu. Kusanthula mtengo wa moyo (poganizira mphamvu, kukonza, ndi moyo wautali wa zida) ndikofunikira kwambiri. Ganizirani za kubweza ndalama zomwe zingabwezeretsedwe pokhazikitsa makina obwezeretsa mphamvu.

•Kapangidwe ndi Kukhazikitsa Akatswiri: Iyi si ntchito yodzipangira nokha. Makina osapangidwa bwino kapena osayikidwa bwino angayambitse kusagwira ntchito bwino, mavuto a phokoso, mavuto a condensation, komanso kufalikira kwa mpweya koipa. Gwiritsani ntchito mainjiniya odziwa bwino ntchito za HVAC komanso makontrakitala odziwa bwino ntchito za HRV/ERV. Onetsetsani kuti zinthu zakonzedwa bwino komanso kuyikidwa bwino mukakhazikitsa. Makina olira mokweza kunja kwa chipinda chapamwamba ndi vuto lomwe alendo akuyembekezera.

•Kudzipereka Kukonza: Zosefera zimafunika kusinthidwa pafupipafupi (nthawi zambiri kotala lililonse, nthawi zina mobwerezabwereza m'malo okhala fumbi). Ma Cores amafunika kuyang'aniridwa ndi kutsukidwa nthawi ndi nthawi. Kunyalanyaza kukonza kumawononga ntchito mwachangu ndipo kungawononge chipangizocho. Izi ziyenera kuganiziridwa mu dongosolo la ntchito ndi bajeti. Phunzitsani ogwira ntchito zauinjiniya pazofunikira zinazake.

 

Poyang'ana mtsogolo, ukadaulo wa HRV/ERV wa mahotela ukupitilirabe kusintha:

 

•Kuphatikiza Mwanzeru: Kuphatikiza kwakukulu ndi mahotela a BMS ndi mapulatifomu a IoT kuti azisamalira zinthu moganizira bwino, kukonza nthawi yeniyeni kutengera deta ya anthu okhalamo, komanso kuzindikira zinthu patali.

•Kugwirizana kwa Mpweya Woyendetsedwa ndi Demand (DCV): Ma HRV/ERV amathandiza bwino njira za DCV. Kuchuluka kwa mpweya wopuma (ndipo motero mphamvu yobwezeretsa) kumasinthidwa *kokha* kulikonse komanso nthawi yomwe kukufunika, kutengera kuchuluka kwa anthu omwe ali ndi mpweya nthawi yeniyeni (monga kugwiritsa ntchito masensa a CO2 kapena momwe PMS imagwirira ntchito), kukulitsa ndalama zosungira. N'chifukwa chiyani mumagwiritsa ntchito mpweya wopuma m'chipinda chochezera chopanda kanthu mokwanira?

•Zipangizo Zapamwamba: Fufuzani zinthu zogwirira ntchito bwino, zosagwirizana ndi kuipitsidwa, komanso zotsika mtengo zosinthira kutentha.

•Kusefa KobwinoKuphatikiza ma filters ogwira ntchito bwino kwambiri (kuyandikira HEPA) kapena ukadaulo watsopano monga bipolar ionization (poganizira mosamala za zinthu zina) kuti IAQ ikhale yowonjezereka, makamaka m'malo omwe ali pachiwopsezo chachikulu.

 

Mfundo Yofunika Kwambiri: Kuyika Ndalama Mwanzeru Pantchito Yabwino Ndi Chidziwitso

 

Kunyalanyaza kutuluka kwa mphamvu kuchokera ku mpweya wopuma wosalamulirika sikungathekenso m'mahotela osaganizira mtengo komanso omwe amaganizira kwambiri alendo. Ma Ventilator Obwezeretsa Kutentha ndi Obwezeretsa Mphamvu ndi ukadaulo wokhwima komanso wotsimikizika womwe umapereka yankho lomveka bwino. Amasintha mphamvu yofunikira kukhala mwayi wosungira ndalama zambiri, chitonthozo chowonjezereka, mpweya wabwino kwambiri, komanso ntchito yokhazikika.

 

Ngakhale mtengo woyambira umafunika kuganiziridwa, kubweza mwachangu komanso maubwino ambiri zimapangitsa kuti machitidwe a HRV/ERV asakhale chisankho chongoteteza chilengedwe, komanso chisankho chofunikira kwambiri cha bizinesi yamahotela chomwe cholinga chake ndi kukonza magwiridwe antchito, kukonza zomwe alendo akuchita, komanso kupeza phindu kwa nthawi yayitali.'nkhani yokhudza kulamulira mpweya–ndi mphamvu zomwe zimanyamula–kusintha malo obisika ogulira ndalama kukhala gwero la magwiridwe antchito komanso kukhutiritsa alendo. Mu mpikisano wochereza alendo, zimenezo'Mpweya wabwino wofunika kuugwiritsa ntchito. Alendo akafika, amayembekezera chitonthozo; HRV/ERVs amapereka bwino, akugwira ntchito mwakachetechete kuseri kwa zochitika kuti malo okhala azikhala bwino komanso kuti phindu likhale labwino.