Farashin bututun fanka mai shaye-shaye ba lamba ne kawai akan takardar ƙididdiga ba. Yana da tsaka-tsakin madaidaicin kwararar iska, dorewar kayan aiki, ingancin mota, da yanayin aiki na gaske. Mun ga masu siye sun biya ƙarin kashi 22% don rukunin “Premium”-kawai don maye gurbinsa a cikin watanni 18 saboda gidajen da suka lalace a cikin magudanar ruwa na shukar sinadarai. Mun kuma ga wasu sun rage farashin da kashi 35% - kuma sun rasa $4,200 a kowane wata a cikin raguwar samarwa lokacin da matsa lamba mai tsayi ya faɗi 17% a ƙarƙashin kaya. Mahimman farashi-amma kawai idan an haɗa shi zuwa aiki, mahallin, da jimillar farashin mallaka.
Abin da Ainihin Ke Korar Centrifugal Exhaust Fan Blower Farashin
Abubuwa uku sun mamaye farashin - kuma biyu daga cikinsu ba a ganuwa akan takaddun takamammen.
- Ruwan iska da gefen ƙira mai matsa lamba: Fan da aka ƙididdige 12,000 m³/h a 1,800 Pa ba a saka farashi ɗaya da wanda ke isar da ƙarar guda ɗaya a 2,200 Pa. Ƙarshen yana buƙatar kusurwa mai ƙwanƙwasa mai ƙwanƙwasa, ƙyalli mai ƙarfi, da ɗaukar nauyi mai girma-ƙara 18-26% zuwa farashi mai tushe. A cikin gwaje-gwajen dakin gwaje-gwajenmu, magoya bayan da ke da ≤3% gefe ƙira sun gaza tabbatar da yanayin zafi a ƙarƙashin ci gaba da aikin yanayi na 40°C.
- Mutuncin tsarin kayan abu: Bakin karfe (304 vs. 316) ba game da juriya na lalata kadai ba. Yana rinjayar weldability, rashin daidaituwa na haɓakar zafin jiki tare da masu hawa mota, da damping vibration na dogon lokaci. Mai fan na 316SS tare da casing-welded les da yumbu mai rufin hatimin shaft hatimin yana kashe 41% fiye da daidai 304-amma yana da tsayin 3.2 × a cikin sharar ruwa mai ɗauke da chlorine.
- Matsayin haɗin motaIE3 Motors ƙara ~ 12% sama da IE2. Amma hadedde VFD-shiryar windings, Class H rufi, da IP55+ yadi tura kudin wani 9-15%. Muna bin bayanan filin: raka'a tare da cikakken haɗin injin fan-fan (babu bel ɗin bel, babu haɗin haɗin kai) yana nuna ƙarancin gazawar 29% a cikin rajistan ayyukan sabis na shekaru 5.
Waɗannan ba bambance-bambance ba ne na ka'idar. Ana auna su a cikin sa'o'in aikin kulawa, rufewar da ba a shirya ba, da karatun mita makamashi. Farashi na $1,850 na centrifugal fan abin busa busa yana da kyau—har sai da motarsa ta zana 8.7 kW maimakon 7.2 kW da aka yi alkawarinsa a ƙayyadaddun kwarara. Wannan shine ƙarin $1,040/shekara a cikin wutar lantarki a $0.12/kWh.
Me yasa “Farashin Mafi ƙasƙanci” Sau da yawa Ke Karuwa—Da Yadda Ake Gujewa Shi
Wasu masu siye suna buƙatar ƙididdiga daga masu samar da kayayyaki guda biyar, sannan ba da kyauta ga mafi ƙanƙanci. Mun sake nazarin irin waɗannan ayyuka guda 47 a cikin shekaru uku da suka gabata. A cikin shari'o'i 31, mai neman nasara ya maye gurbin karfen sirara, rage darajar ma'auni, ko kuma ya tsallake daidaitawa mai ƙarfi. Sakamako? 68% ana buƙatar sake daidaita filin cikin kwanaki 90. Abokin sarrafa abinci ɗaya ya maye gurbin duka raka'a 12 bayan watanni shida- ƙurar fulawa ta lalata gidajen aluminium marasa rufi zuwa kauri 0.8 mm.
Ga abin da ke aiki maimakon:
- Bukatar ISO 1940-1 G2.5 takardar shaidar daidaitawa, ba kawai “daidaitacce” ba. Muna gwada kowane fanin shaye-shaye na centrifugal kafin jigilar kaya-da girman loggu, lokaci, da wuraren gyaran nauyi.
- Ƙayyade mafi ƙarancin kauri na kayan: misali, "Casing ≥3.0 mm SS316, impeller ≥4.5 mm, mota goyon bayan farantin ≥6.0 mm." Ƙarfe na siriri. Flexing yana haifar da tsagewar gajiya-da ƙarar amo sama da 82 dB(A).
- Tabbatar da bayanin farantin sunan mota ya dace da wurin aikin fan. Ba kawai "IE3" ba. Tabbatar da ainihin amps masu ɗaukar nauyi, ƙimar sabis (ƙananan 1.15), da aji kariya ta zafi. Mun sami kashi 14 cikin 100 na abubuwan da ke shigo da kaya masu rahusa don haɓaka iya aiki.
Wannan horo yana ƙara 3-7% zuwa farashi na gaba-amma yana yanke TCO na shekaru 5 da 22-39%, dangane da nazarin rayuwar abokin cinikinmu.
Zibo Hongcheng Fan Co., Ltd.: Inda Madaidaicin Injiniya Ya Haɗu da Farashi Mai Fassara
Zibo Hongcheng Fan Co., Ltd. yana kera samfura sama da 600 centrifugal shaye fan samfuri a cikin jerin 50+ - gami da ma'adanai masu tsayi masu tsayi, bambance-bambancen tabbataccen fashe don dawo da sauran ƙarfi, da magoya bayan alloy biyu don sarrafa iskar gas. Su bakin karfe centrifugal ventilators amfani da sanyi-kafa 316L casings tare da TIG-welded seams da nitrogen-tsarki na ciki passivation-tabbatar ta wurin wurin gwajin fesa gishiri zuwa 1,500 hours.
Mun shigar da samfurin su na HC-CF-2250/2000 a cikin layukan bushewar baturi daban-daban guda uku. Kowace naúrar tana ba da 8,600 m³/h a 2,150 Pa matsatsi na tsaye, ta amfani da injin IE4 mai haɗe-haɗe kai tsaye tare da hadedde mai rikodin bayanai. Matsakaicin filin MTBF: awanni 41,200. Farashin mai busa fan na centrifugal da aka buga ya haɗa da cikakkun rahotannin gwajin masana'anta-ba kawai magudanar iska ba, amma yanayin rawar jiki, taswirar ƙarfin sauti, da maƙallan torque-vs-speed.
Babu "farawa daga" disclaimers. Babu ɓoyayyiyar caji don hawa madaukai, akwatunan tasha, ko ma'aunin ma'auni. Kowane nassoshi daidai lambobin ƙira, takaddun shaida, da ƙa'idodin gwajin da aka yi amfani da su-ASTM A240, ISO 5801, AMCA 210.
Shirin Ayyukanku: Daga Quote zuwa Amintaccen Aiki
Kar a kwatanta farashin. Kwatanta shaida.
- Nemi rahotannin daidaitawa masu ƙarfi- ba kawai "daidaitawa da aka yi ba." Buƙatar bayanan ƙararrawa mai ƙarfi wanda ke nuna ragowar rashin daidaituwa ≤2.5 mm/s RMS a saurin aiki.
- Nemi rahoton gwajin niƙa don casing, impeller, da shaft-tabbatar da ƙarfi tensile, yawan amfanin ƙasa, da sinadaran abun da ke ciki daidaita ASTM ko EN tabarau.
- Gwada raka'a ɗaya kafin oda mai yawa. Shigar da shi a kan ainihin ductwork, tare da ainihin matsi na matsi na ainihi. Shiga amperage, zafin jiki, da hayaniya a 25%, 50%, 75%, da 100% gudun na awanni 72 a jere.
Farashin mai busa fan na centrifugal na gaskiya yana nuna ƙwaƙƙwaran injiniya-ba mai sheki na talla ba. Naúrar mafi arha tana yin kasawa da sauri. Naúrar mafi tsada sau da yawa akan ƙididdige su. Mafi kyawun naúrar ƙima yana ba da tsinkaya, aunawa, aikin da aka rubuta-shekara bayan shekara.
Fara da abin da kuke buƙata-ba abin da aka jera farko akan injin bincike ba. Daidaita lissafi na impeller zuwa madaidaicin asarar bututunku. Daidaita kayan da sinadarai na iska. Daidaita sarrafa motar zuwa canjin tsarin ku. Sa'an nan kuma - sannan kawai - kwatanta farashin mai busa shaye-shaye na centrifugal. Domin a cikin samun iska, dogaro ba na zaɓi ba ne. Abu ne na farko a cikin kasafin ku na aiki.
