Binciken Gwaji da Nazarin Tattalin Arziki na Rayuwar Tacewar iska

Abstraction

An gudanar da gwaje-gwaje a kan juriya da nauyin nauyin tacewa, kuma an bincika canje-canjen ƙa'idodin ƙurar da ke riƙe da juriya da ingancin tacewa, an ƙididdige yawan makamashi na tacewa bisa ga hanyar ƙididdige yawan kuzarin da aka tsara ta hanyar Eurovent 4. /11.

An gano cewa farashin wutar lantarki na tacewa, yana ƙaruwa tare da haɓaka amfani da lokaci da juriya.

Dangane da nazarin farashin canji na tacewa, farashin aiki da cikakken farashi, ana ba da shawarar hanyar tantance lokacin da yakamata a maye gurbin tacewa.

Sakamakon ya nuna cewa ainihin rayuwar sabis ɗin tace ya fi wanda aka ƙayyade a GB/T 14295-2008.

Ya kamata a yanke shawarar lokacin maye gurbin tacewa a cikin ginin farar hula bisa ga canjin farashin iska da farashin amfani da wutar lantarki. 

MarubuciShanghai Institute of Architecture Science (Group) Co., LtdZhang Chongyang, Li Jingguang

Gabatarwa

Tasirin ingancin iska ga lafiyar dan Adam ya zama daya daga cikin muhimman batutuwan da al'umma ke damun su.

A halin yanzu, gurɓataccen iska a waje da PM2.5 ke wakilta yana da matukar muni a China. Sabili da haka, masana'antar tsabtace iska tana haɓaka cikin sauri, kuma an yi amfani da kayan aikin tsabtace iska da tsabtace iska.

A cikin 2017, kusan 860,000 sabbin iskar iskar da aka siyar da na'urori miliyan 7 a China. Tare da ingantaccen fahimtar PM2.5, yawan amfani da kayan aikin tsarkakewa zai ƙara ƙaruwa, kuma nan ba da jimawa ba zai zama kayan aiki masu mahimmanci a rayuwar yau da kullun. Shahararriyar irin wannan nau'in kayan aiki yana tasiri kai tsaye saboda farashin sayan sa da kuma farashin tafiyar da shi, don haka yana da matukar mahimmanci wajen nazarin tattalin arzikinsa.

Babban ma'auni na tacewa sun haɗa da raguwar matsa lamba, adadin adadin da aka tattara, ingancin tattarawa da lokacin gudu. Ana iya amfani da hanyoyi guda uku don yin hukunci akan lokacin sauya matatun mai tsabtace iska. Na farko shine auna canjin juriya kafin da bayan tacewa bisa ga na'urar gano matsi; Na biyu shi ne auna yawan abubuwan barbashi a wurin fita bisa ga na'urar gano barbashi. Na ƙarshe shine ta lokacin gudu, wato, auna lokacin gudu na kayan aiki. 

Ka'idar gargajiya ta maye gurbin tace ita ce daidaita farashin siyan da farashi mai gudana bisa inganci. A wasu kalmomi, karuwar yawan amfani da makamashi yana haifar da karuwar juriya da farashin sayan.

kamar yadda aka nuna a hoto 1

curve of filter resistance and cost.webp

Hoto 1 madaidaicin juriya da tsadar tacewa 

Manufar wannan takarda ita ce bincika yawan sauyawar tacewa da kuma tasirinsa a kan ƙirar irin waɗannan kayan aiki da tsarin ta hanyar nazarin ma'auni tsakanin farashin makamashin da ake amfani da shi sakamakon karuwar juriya na tacewa da kuma farashin sayan da aka samar ta hanyar maye gurbin akai-akai. tace, ƙarƙashin yanayin aiki na ƙaramin ƙarar iska.

1.Tace Inganci da Gwajin Juriya

1.1 Wurin Gwaji

Dandalin gwajin tacewa ya ƙunshi sassa masu zuwa: tsarin bututun iska, na'urar samar da ƙura ta wucin gadi, kayan aunawa, da sauransu, kamar yadda aka nuna a hoto na 2.

Testing facility.webp

 Hoto 2. Wurin Gwaji

Ɗauki fan ɗin jujjuya mitar a cikin tsarin bututun iska na dakin gwaje-gwaje don daidaita ƙarfin iska mai aiki na tacewa, don haka don gwada aikin tacewa ƙarƙashin ƙarar iska daban-daban. 

1.2 Samfuran Gwaji

Don haɓaka maimaitawar gwajin, an zaɓi matatun iska guda 3 waɗanda masana'anta iri ɗaya suka samar. Kamar yadda ake amfani da nau'in masu tacewa na H11, H12 da H13 a kasuwa, an yi amfani da tacewa H11 a cikin wannan gwaji, tare da girman 560mm × 560mm × 60mm, nau'in nau'in nau'in fiber mai yawa na nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in fiber, kamar yadda aka nuna a cikin Hoto 3.

filter sample.webp

 Hoto 2. Gwaji Misali

1.3 Gwajin Bukatun

Dangane da abubuwan da suka dace na GB/T 14295-2008 "Filter Air", baya ga yanayin gwajin da ake buƙata a cikin ma'aunin gwajin, ya kamata a haɗa da waɗannan sharuɗɗan:

1) A lokacin gwajin, zafin jiki da zafi na iska mai tsabta da aka aika a cikin tsarin bututu ya kamata ya kasance daidai;

2) Tushen ƙurar da aka yi amfani da shi don gwada duk samfurori ya kamata ya kasance iri ɗaya.

3) Kafin a gwada kowane samfurin, ƙurar ƙurar da aka ajiye a cikin tsarin bututu ya kamata a tsaftace shi da goga;

4) Yin rikodin lokutan aiki na tacewa yayin gwajin, gami da lokacin fitarwa da dakatar da ƙura; 

2. Sakamakon Gwaji da Bincike 

2.1 Canjin Juriya na Farko tare da Ƙarar iska

An yi gwajin juriya na farko a ƙarar iska na 80,140,220,300,380,460,540,600,711,948 m3 / h.

Ana nuna canjin juriya na farko tare da ƙarar iska a cikin FIG. 4.

change of initial resistance of filter under different air volume.webp

 Hoto 4. Canjin juriyar farko na tacewa a ƙarƙashin ƙarar iska daban-daban

2.2 Canjin Ingantacciyar Nauyi tare da Adadin Kurar da Aka Taru. 

Wannan nassi yafi nazarin ingancin tacewa na PM2.5 bisa ga ka'idodin gwajin masana'anta, ƙimar iskar tace shine 508m3/h. Ma'aunin ingancin ingancin ma'aunin tacewa guda uku a ƙarƙashin adadin ƙura daban-daban ana nuna su a cikin Tebu 1

The measured weight efficiency index of three filters under different dust deposition amount.webp

Tebur 1 Canjin kamawa tare da adadin ƙurar da aka ajiye

Ma'aunin ƙimar ingancin (kama) fihirisar tacewa guda uku a ƙarƙashin adadin ƙura daban-daban ana nuna su a cikin Tebu 1

2.3 Dangantakar Tsakanin Juriya da Tara Kura

An yi amfani da kowace tacewa don sau 9 na fitar da ƙura. Sau 7 na farko na fitar da ƙura guda ɗaya ana sarrafa su a kusan 15.0g, kuma lokutan 2 na ƙarshe na ƙura ɗaya ana sarrafa su a kusan 30.0g.

Bambance-bambancen ƙurar da ke riƙe da juriya yana canzawa tare da adadin ƙurar ƙura na matattara guda uku a ƙarƙashin ƙimar iska, an nuna a kan FIG.5.

FIG.5.webp

FIG.5

3.Tattalin Arziki na Amfani da Tace

3.1 Matsayin Rayuwar Sabis

GB / T 14295-2008 "Filter Air" ya nuna cewa lokacin da tacewa ke aiki a matsayin ƙarfin iska kuma juriya ta ƙarshe ta kai sau 2 na juriya na farko, ana zaton tace ta kai ga rayuwar sabis, kuma ya kamata a maye gurbin tacewa. Bayan ƙididdige rayuwar sabis na masu tacewa a ƙarƙashin yanayin aiki da aka ƙididdigewa a cikin wannan gwaji, sakamakon ya nuna cewa rayuwar sabis na waɗannan filtata guda uku an kiyasta su zama 1674, 1650 da 1518h bi da bi, waɗanda suka kasance 3.4, 3.3 da 1 watan.

 

3.2 Binciken Amfani da Foda

Gwajin maimaitawa da ke sama yana nuna cewa aikin tacewa guda uku daidai yake, don haka ana ɗaukar tace 1 azaman misali don nazarin yawan kuzari.

Relation between the electricity charge and usage days of filter.webp

FIG. 6 Dangantaka tsakanin cajin wutar lantarki da kwanakin amfani na tacewa (ƙarar iska 508m3 / h)

Yayin da canjin farashin iska ya canza sosai, jimlar tacewa akan sauyawa da amfani da wutar lantarki shima yana canzawa sosai, saboda aikin tacewa, kamar yadda aka nuna a FIG. 7. A cikin adadi, cikakken farashi = farashin wutar lantarki mai aiki + farashin maye gurbin juzu'in iska.

comprehensive cost.webp

FIG. 7

Ƙarshe

1) Ainihin rayuwar sabis na masu tacewa tare da ƙananan iska a cikin gine-ginen gine-ginen jama'a ya fi girma fiye da rayuwar sabis da aka tsara a GB / T 14295-2008 "Filter Air" kuma masu sana'a na yanzu sun ba da shawarar. Za'a iya la'akari da ainihin rayuwar aikin tacewa bisa ga canza dokar amfani da wutar lantarki da kuma farashin maye gurbin.

2) Ana ba da shawarar hanyar tantance canjin tacewa bisa la'akari da tattalin arziƙin, wato, farashin maye kamar kowace juzu'in iska da yawan wutar lantarki ya kamata a yi la'akari da shi gabaɗaya don sanin lokacin sauyawa na tacewa.

(An fito da cikakken rubutun a cikin HVAC, Juzu'i na 50, Na 5, shafi. 102-106, 2020)