Ucwaningo Lokuhlola Nokuhlaziywa Kwezomnotho Kwempilo Yesihlungi Somoya

Abstraction

Izivivinyo zenziwa mayelana nokumelana nokusebenza kahle kwesisindo sesihlungi, futhi imithetho yokushintsha yokumelana nokubamba uthuli nokusebenza kahle kwesihlungi yahlolisiswa, ukusetshenziswa kwamandla kwesihlungi kubalwa ngendlela yokubala ukusebenza kahle kwamandla ehlongozwa yi-Eurovent 4. /11.

Kutholakala ukuthi izindleko zikagesi zesihlungi, ziyanda ngokukhuphuka kokusetshenziswa kwesikhathi nokumelana.

Ngokusekelwe ekuhlaziyweni kwezindleko zokushintsha isihlungi, izindleko zokusebenza nezindleko eziphelele, indlela yokunquma ukuthi isihlungi kufanele sishintshwe nini siyaphakanyiswa.

Imiphumela ibonise ukuthi impilo yangempela yesevisi yesihlungi iphakeme kunaleyo eshiwo ku-GB/T 14295-2008.

Isikhathi sokushintshwa kwesihlungi esakhiweni esijwayelekile kufanele sinqunywe ngokwezindleko zokushintsha umthamo womoya kanye nezindleko zokusebenzisa amandla okusebenza.

Izingeniso

Umthelela wekhwalithi yomoya empilweni yomuntu usuphenduke enye yezindaba ezibaluleke kakhulu ezithinta umphakathi.

Njengamanje, ukungcoliswa komoya kwangaphandle okumelelwe yi-PM2.5 kubi kakhulu e-China.Ngakho-ke, imboni yokuhlanza umoya ikhula ngokushesha, futhi imishini yokuhlanza umoya omusha nesihlanzi somoya sisetshenziswe kabanzi.

Ngo-2017, cishe ku-860,000 umoya omusha wokungenisa umoya kanye nezihlanzi eziyizigidi ezingu-7 eChina.Ngokuqwashisa okungcono kwe-PM2.5, izinga lokusetshenziswa kwezinto zokuhlanza lizokhula futhi, futhi maduze lizoba yithuluzi elidingekayo empilweni yansuku zonke.Ukuduma kwalolu hlobo lwemishini kuthinteka ngokuqondile ngezindleko zayo zokuthenga kanye nezindleko zokusebenza, ngakho kubaluleke kakhulu ukufunda umnotho wayo.

Imingcele eyinhloko yesihlungi ihlanganisa ukwehla kokucindezela, inani lezinhlayiya eziqoqiwe, ukusebenza kahle kweqoqo kanye nesikhathi sokusebenza.Kungasetshenziswa izindlela ezintathu zokwahlulela isikhathi sokushintshwa kwesihlungi sokuhlanza umoya.Eyokuqala iwukukala ukushintsha kokumelana ngaphambi nangemva kwesihlungi ngokusho kwedivayisi ezwa ukucindezela;Okwesibili ukulinganisa ukuminyana kwezinhlayiya endaweni yokukhipha impahla ngokuya ngedivayisi yokuzwa eyizinhlayiyana.Esokugcina yisikhathi sokusebenza, okungukuthi, ukulinganisa isikhathi sokusebenza semishini.

Ithiyori evamile yokushintshwa kwesihlungi ukulinganisa izindleko zokuthenga kanye nezindleko zokusebenza ngokusekelwe ekusebenzeni kahle.Ngamanye amazwi, ukwanda kokusetshenziswa kwamandla kubangelwa ukwanda kokumelana nezindleko zokuthenga.

njengoba kuboniswe kuMfanekiso 1

Umfanekiso 1 ijika lokumelana nesihlungi kanye nezindleko

Inhloso yaleli phepha ukuhlola imvamisa yokushintshwa kwesihlungi kanye nomthelela wako ekwakhiweni kwamathuluzi anjalo nohlelo ngokuhlaziya ibhalansi phakathi kwezindleko zamandla okusebenza okubangelwa ukwanda kokumelana nezihlungi kanye nezindleko zokuthenga ezikhiqizwa ukushintshwa njalo isihlungi, ngaphansi kwesimo sokusebenza somthamo omncane womoya.

1.Izivivinyo Zesihlungi Zokusebenza Nokumelana

1.1 Isikhungo Sokuhlola

Inkundla yokuhlola isihlungi yakhiwa ikakhulukazi izingxenye ezilandelayo: isistimu yepayipi lomoya, idivayisi ekhiqiza uthuli yokwenziwa, okokusebenza kokulinganisa, njll., njengoba kuboniswe kuMfanekiso 2.

Umfanekiso 2. Isikhungo Sokuhlola

Ukwamukela ifeni yokuguqula imvamisa ohlelweni lwemigudu yomoya yelabhorethri ukulungisa umthamo womoya osebenzayo wesihlungi, ngaleyo ndlela ukuhlola ukusebenza kwesihlungi ngaphansi kwevolumu yomoya ehlukene.

1.2 Isampula Lokuhlola

Ukuze kuthuthukiswe ukuphindaphinda kokuhlolwa, izihlungi zomoya ezi-3 ezikhiqizwe umkhiqizi ofanayo zikhethiwe.Njengoba izihlungi zohlobo lwe-H11, H12 kanye ne-H13 zisetshenziswa kabanzi emakethe, isihlungi sebanga le-H11 sisetshenziswe kulokhu kuhlolwa, ngosayizi we-560mm×560mm×60mm, uhlobo lwe-v-type lwamakhemikhali aminyene uhlobo lokugoqa, njengoba kuboniswe kuMfanekiso 3.

Umfanekiso 2. UkuhlolaIsampula

1.3 Izidingo Zokuhlola

Ngokuhambisana nezinhlinzeko ezifanele ze-GB/T 14295-2008 “Isihlungi Somoya”, ngaphezu kwezimo zokuhlola ezidingekayo emazingeni okuhlola, lezi zimo ezilandelayo kufanele zifakwe:

1) Ngesikhathi sokuhlolwa, izinga lokushisa kanye nomswakama womoya ohlanzekile othunyelwa ohlelweni lwe-duct kufanele kufane;

2) Umthombo wothuli osetshenziselwa ukuhlola wonke amasampula kufanele uhlale unjalo.

3) Ngaphambi kokuba isampula ngayinye ihlolwe, izinhlayiya zothuli ezifakwe ohlelweni lwe-duct kufanele zihlanzwe ngebhulashi;

4) Ukurekhoda amahora okusebenza kwesihlungi ngesikhathi sokuhlolwa, kuhlanganise nesikhathi sokukhipha kanye nokumiswa kothuli;

2. Umphumela Wokuhlola Nokuhlaziya

2.1 Ushintsho Lokumelana Kwasekuqaleni Ngevolumu Yomoya

Ukuhlolwa kokuqala kokumelana kwenziwa kumthamo womoya we-80,140,220,300,380,460,540,600,711,948 m3 / h.

Ukushintsha kokuphikiswa kokuqala ngevolumu yomoya kuboniswa ku-FIG.4.

Umfanekiso 4.Ukushintsha kokumelana kokuqala kwesihlungi ngaphansi kwevolumu yomoya ehlukene

2.2 Ukushintsha Kokusebenza Kwesisindo Ngenani Lothuli Olunqwabelene.

Le ndima ikakhulukazi ifunda ukusebenza kahle kokuhlunga kwe-PM2.5 ngokwezindinganiso zokuhlola zabakhiqizi, umthamo womoya olinganiselwe wesihlungi ngu-508m3/h.Amanani okusebenza kahle kwesisindo esilinganisiwe ezihlungi ezintathu ngaphansi kwenani elihlukile lokubeka uthuli aboniswa kuThebula 1

Ithebula 1 Ukushintsha kokuboshwa nenani lothuli olufakiwe

Inkomba yesisindo esilinganisiwe (yokubamba) yezihlungi ezintathu ngaphansi kwenani elihlukile lokubeka uthuli iboniswa kuThebula 1

2.3Ubudlelwano Phakathi Kokumelana Nokunqwabelana Kothuli

Isihlungi ngasinye sisetshenziswe izikhathi ezingu-9 zokukhishwa kothuli.Izikhathi zokuqala ezingu-7 zokukhishwa kothuli olulodwa zazilawulwa cishe ku-15.0g, futhi izikhathi zokugcina ezingu-2 zokukhishwa kothuli olulodwa zazilawulwa cishe ku-30.0g.

Ukushintshashintsha kokumelana nothuli olubambayo kuyashintsha ngenani lokuqoqwa kothuli lezihlungi ezintathu ngaphansi kokugeleza komoya okulinganiselwe, kuboniswa ku-FIG.5

I-FIG.5

3.Ukuhlaziywa Kwezomnotho Kokusetshenziswa Kwesihlungi

3.1 Impilo Yesevisi Elinganiselwe

I-GB/T 14295-2008 “Isihlungi Somoya” sibeka ukuthi lapho isihlungi sisebenza kumthamo womoya olinganiselwe futhi ukumelana kokugcina kufinyelela izikhathi ezi-2 zokuphikiswa kokuqala, isihlungi sithathwa ngokuthi sifinyelele impilo yaso yesevisi, futhi isihlungi kufanele sishintshwe.Ngemva kokubala impilo yesevisi yezihlungi ngaphansi kwezimo zokusebenza ezilinganiselwe kulokhu kuhlolwa, imiphumela ibonisa ukuthi impilo yesevisi yalezi zihlungi ezintathu ilinganiselwa ku-1674, 1650 kanye no-1518h ngokulandelanayo, okwakungu-3.4, 3.3 kanye nenyanga engu-1.

3.2 Ukuhlaziywa Kokusetshenziswa Kwempushana

Ukuhlolwa okuphindayo okungenhla kubonisa ukuthi ukusebenza kwezihlungi ezintathu kuyahambisana, ngakho isihlungi 1 sithathwa njengesibonelo sokuhlaziywa kokusetshenziswa kwamandla.

I-FIG.6 Ubudlelwano phakathi kweshaje kagesi nezinsuku zokusetshenziswa kwesihlungi (ivolumu yomoya 508m3/h)

Njengoba izindleko zokushintsha umthamo womoya zishintsha kakhulu, isamba sesihlungi ekushintsheni nasekusetshenzisweni kwamandla sishintsha kakhulu, ngenxa yokusebenza kwesihlungi, njengoba kuboniswe ku-FIG.7. Emfanekisweni, izindleko eziphelele = izindleko zikagesi zokusebenza + izindleko zokushintsha umthamo womoya weyunithi.

I-FIG.7

Iziphetho

1) Impilo yangempela yesevisi yezihlungi ezinomthamo womoya omncane ezakhiweni zomphakathi ziphakeme kakhulu kunempilo yesevisi eshiwo ku-GB/T 14295-2008 “Isihlungi Somoya” futhi esituswe abakhiqizi bamanje.Impilo yangempela yesevisi yesihlungi ingacatshangelwa ngokusekelwe emthethweni oshintshayo wokusetshenziswa kwamandla okuhlunga kanye nezindleko zokushintsha.

2) Indlela yokuhlola yokubuyisela isihlungi esekelwe ekucatshangelweni komnotho iyahlongozwa, okungukuthi, izindleko zokushintshwa ngokomthamo womoya weyunithi ngayinye kanye nokusetshenziswa kwamandla okusebenza kufanele kucatshangelwe ngokugcwele ukuze kunqunywe isikhathi sokushintsha kwesihlungi.

(Umbhalo ogcwele ukhishwe ku-HVAC, Vol. 50, No. 5, pp. 102-106, 2020)