Igwe ọkụ bụ ụdị igwe eji ekpokọ ma bufee gas. Site n'echiche nke ntụgharị ike, ọ bụ ụdị ígwè ọrụ na-eme ka ike arụ ọrụ nke onye na-ebugharị ya bụrụ ike gas.
Dịka ụkpụrụ nke nhazi ọkwa, enwere ike kewaa ndị fan n'ime:
Turbofan – onye na-efe efe na-akpakọ ikuku site na ntugharị agụba.
· Onye na-eme mgbanwe dị mma – igwe na-akpakọ ma na-ebufe gas site n'ịgbanwe olu gas.
Nkewa site na ntụzịaka ikuku:
Centrifugal fan – Mgbe ikuku na-abanye na impeller nke fan axially, ọ na-abịakọrọ n'okpuru edinam nke centrifugal ike na tumadi aga na a radial direction.
· Axial-flow fan – Ikuku na-asọba axially n'ime ngafe nke agụba na-atụgharị. N'ihi mmekọrịta dị n'etiti agụba na gas, gas na-agbanye ma na-asọba na nso nso axial na elu cylindrical.
Ihe na-efe efe agwakọta - gas na-abanye na agụba na-atụgharị n'akụkụ akụkụ n'akụkụ okporo osisi ma na-aga n'akụkụ cone.
· Onye na-efe efe na-asọfe - gas na-agafe agụba na-atụgharị ma na-eme ya site na agụba iji mee ka nrụgide dịkwuo elu.
Nkewa site na nrụgide mmepụta dị elu ma ọ bụ dị ala (gbakọrọ site na nrụgide zuru oke):
Ventilator - nrụgide iyuzucha n'okpuru 112700Pa;
· ihe na-efe efe - nrụgide iyuzucha sitere na 112700Pa ruo 343000Pa;
· compressor – iyuzucha mgbali n'elu 343000Pa;
Nhazi nke nrụgide dị elu na nke dị ala bụ nke a kwekọrọ (na steeti ọkọlọtọ):
Onye ofufe centrifugal dị ala: nrụgide zuru oke P≤1000Pa
Onye na-akwado centrifugal nrụgide nke etiti: nrụgide zuru oke P = 1000 ~ 5000Pa
Onye ofufe centrifugal dị elu: nrụgide zuru oke P = 5000 ~ 30000Pa
Onye na-agba ọsọ axial dị ala: nrụgide zuru oke P≤500Pa
Onye na-agba ọsọ axial nrụgide dị elu: nrụgide zuru oke P = 500 ~ 5000Pa
Ụzọ nke centrifugal Fan ịkpọ aha:
Ọmụmaatụ: 4-79NO5
Ụzọ nlereanya na style:
Ọmụmaatụ: YF4-73NO9C
Nrụgide nke centrifugal fan na-ezo aka na nkwalite nkwalite (n'ihe metụtara nrụgide nke ikuku), ya bụ, mmụba nke ikuku gas na fan ma ọ bụ ọdịiche dị n'etiti nrụgide gas na ntinye na ntinye nke fan. . Ọ nwere nrụgide static, nrụgide dị ike na nrụgide zuru ezu. Paramita arụmọrụ na-ezo aka na nrụgide mkpokọta (nha nhata dị n'etiti ngụkọta nrụgide nke ntinye fan na ngụkọta nrụgide nke ntinye fan), a na-ejikarị akụkụ ya Pa, KPa, mH2O, mmH2O, wdg.
Na-asọ:
Olu gas na-erute site na fan kwa nkeji oge, nke a makwaara dị ka ụda ikuku. Nke a na-ejikarị Q na-anọchi anya, otu nke a na-ahụkarị bụ; m3/s, m3/min, m3/h (sekọnd, nkeji, awa). (Mgbe ụfọdụ, a na-ejikwa "mass eruba" ya bụ, oke gas na-agafe na onye ofufe kwa nkeji oge, oge a kwesịrị ịtụle njupụta gas nke ntinye ihe ntinye, na ihe mejupụtara gas, nrụgide ikuku mpaghara, okpomọkụ gas, nrụgide ntinye. nwere mmetụta chiri anya, ọ dị mkpa ka a gbanwee ya iji nweta "ntụgharị gas" omenala.
Ọsọ ntụgharị:
Fan rotor ntụgharị ọsọ. A na-egosipụtakarị ya na n, na nkeji ya bụ r/min (r na-egosi ọsọ, min na-egosi nkeji).
Ike:
Ike achọrọ iji kwọọ fan. A na-egosipụtakarị ya dị ka N, akụkụ ya bụ KW.
Koodu ojiji onye ofufe nkịtị
Ụdị nnyefe na arụmọrụ igwe:
Fan nkịtị parameters, teknuzu chọrọ
General ventilashion fan: zuru mgbali P =… .Pa, okporo ụzọ Q =… m3 / h, elu (mgbe ikuku ikuku), nnyefe mode, ibufe usoro (ikuku enweghị ike dee), impeller ntụgharị, ntinye na ntinye Angle (site na njedebe moto), okpomọkụ na-arụ ọrụ T = ... Celsius C (ọnụọgụ ụlọ enweghị ike ide), ụdị moto…… .. chere.
Ndị na-ahụ maka okpomọkụ dị elu na ndị fan ndị ọzọ pụrụ iche: nrụgide zuru ezu P = ... Pa, eruba Q = ... m3 / h, gas density Kg / m3, ọnọdụ nnyefe, nnyefe nnyefe (ikuku nwere ike ọ gaghị ede), ntụgharị impeller, ntinye ntinye na oghere Angle. (site na njedebe moto), okpomọkụ na-arụ ọrụ T = ... .. ℃, okpomọkụ kacha ngwa ngwa T = ... Celsius C, njupụta gas ebubata □Kg / m3, ikuku ikuku mpaghara (ma ọ bụ oke osimiri mpaghara), ntinye uzuzu, fan na-achịkwa ọnụ ụzọ, moto nlereanya, mbubata na mbupụ mgbasa nkwonkwo, mkpokọta isi, hydraulic njikọ (ma ọ bụ ugboro Ntụgharị, mmiri mmiri na-eguzogide Starter), mkpa mmanụ ọdụ, ngwa ngwa mbịne ngwaọrụ, actuator, malite kabinet, njikwa kabinet… .. chere.
Akpachara anya maka ọsọ dị elu (B, D, C mbanye)
· 4-79 ụdị: 2900r / min ≤NO.5.5; 1450 r / min ≤NO.10; 960 r / min ≤NO.17;
· 4-73, 4-68 ụdị: 2900r / min ≤NO.6.5; 1450 r / min ≤15; 960 r / min ≤NO.20;
Fan na-ejikarị usoro mgbako (dị mfe, ihe dị ka, ojiji n'ozuzu)
A na-atụgharị elu ka ọ bụrụ nrụgide ikuku nke mpaghara
(760mmHg) (ọkwa oke osimiri ÷12.75) = nrụgide ikuku mpaghara (mmHg)
Mara: Elu dị n'okpuru 300m nwere ike ọ gaghị edozi ya.
· 1mmH2O=9.8073Pa;
· 1mmHg=13.5951 mmH2O;
· 760 mmHg=10332.3117 mmH2O
· Fan eruba 0 ~ 1000m na oké osimiri enweghị ike idozi;
· 2% ọsọ ọsọ na 1000 ~ 1500M elu;
· 3% eruba ọnụego na 1500 ~ 2500M elu;
5% mwepu na oke osimiri n'elu 2500M.
Ns:
Oge nzipu: Ọgọst-17-2024