Saboda yin amfani da famfo slurry yana da yawa sosai, yanayin ruwa yana canjawa wani lokaci ma babban bambanci ne, yanayin aiki daban-daban yana da buƙatu daban-daban na kwararar famfo da matsa lamba, don saduwa da bukatun famfo a wurare daban-daban. , akwai nau'ikan famfo da yawa, yawanci ana iya rarraba su bisa ga ka'idar aiki na famfo, kuma amfani da shi na iya samar da ɗagawa.Bisa ga ka'idar aiki na famfo za a iya raba zuwa m matsawa famfo, vane famfo da sauran nau'in farashinsa nau'i uku.
Ingantattun famfunan ƙaura sun dogara da canje-canjen ƙara lokaci-lokaci waɗanda ke haifar da tsotsawar ƙarar aiki da ruwa, lokacin da ƙarar aikin ya ƙaru, ruwan tsotsa famfo;idan ya ragu, famfo yana fitar da ruwa.Halayen Kinematic bisa ga aikin wannan nau'in Li an raba su zuwa:
1. Reciprocating famfo aiki inji don maimaita motsi.Wannan nau'in famfo shine famfo fistan, fistan, kirjin diaphragm da sauransu.
2.Rotary famfo aiki hukumomin ga kafaffen axis juyawa.Wannan nau'in famfo shine famfon gear, famfo mai dunƙulewa,tsakuwa famfo masana'antuzamiya fanfo famfo.
Vane chestnut ya dogara da jujjuyawar sauri ɗaya ko da yawa don haɓaka kwararar ruwa, don cimma jigilar ruwa.Dangane da ruwan da ke cikin tafiyar famfon fanfo vane daga baya ya kasu zuwa:
1.Pump ruwa yana gudana ta hanyar famfo, ƙarfin da ke tura ruwa lokacin da ƙarfin centrifugal ya haifar da juyawa na impeller.
(2) Ruwan axial yana gudana axially ta cikin famfo, ƙarfin tura ruwa mai gudana impeller axial thrust ya haifar lokacin da juyawa.
3. Gudun famfo ruwan famfo a cikin famfo ya kwarara zuwa famfo famfo zuwa wani kusurwa, da karfi tura ruwa kwarara lokacin da centrifugal karfi da aka samu ta hanyar juyawa na impeller da axial tura karfi.
4- Ruwan famfo Vortex a cikin famfo don kwararar vortex a tsaye, dogaro da jujjuyawar motsi yana haɓaka vortices waɗanda ke haifar da motsi na tsotsa ruwa da fitar ruwa.
Sauran nau'ikan fanfuna galibi suna dogaro da wani ruwa (ruwa, iskar gas) makamashi ko motsin ruwa mai watsa ruwa mai motsi.Don haka, kuma ana kiransa famfo mai ruwa (hydrodynamic), irin su famfunan jet, chestnut, da dai sauransu guduma.
Ma'auni na asali na manyan kaddarorin famfo na tsakuwa suna da masu zuwa:
1, Q
Gudun ruwa shine adadin famfun tsakuwa na ruwa a cikin lokacin isarwa naúrar (girma ko inganci).
Volume kwarara tare da Q ya ce, naúrar ita ce: m3 / s, m3 / h, l / s da dai sauransu.
Matsakaicin taro tare da Qm ya ce, naúrar ita ce: t/h, kg/s.
Dangantaka tsakanin kwararar taro da kwararar girma don:
Qm= ku
A cikin dabara ρ - yawan ruwa (kg / m3, t / m3), ruwan zafi na al'ada P = 1000kg / m3.
2, shugaban H
Shugaban shine nauyin juzu'in famfo mai tsakuwa mai ruwa wanda aka shigo da shi daga famfon tsakuwa (famfo mai tsakuwa mai shiga ruwa) zuwa tsakuwa a mashigar famfo (famfo kanti flange tsakuwa) karuwar kuzari.Ingantacciyar makamashi wani ruwa ne na Newton wanda aka samu ta famfon tsakuwa.Naúrar N?m/N=m, tsawo na ruwa shafi tsakuwa famfo famfo ruwa, halaye, ake magana a kai a matsayin M.
3, gudu n
Gudu shine saurin juzu'in famfo na lokaci, wanda alamar n, raka'a na r/min ke nunawa.
4, NPSH
NPSH kuma ana kiransa shugaban tsotsa mai kyau, wanda aka bayyana galibi sigogin aikin cavitation.NPSH a cikin amfanin gida Δ H.
kg/m3);
5, iko da inganciTushen zaɓi na famfo slurry
Ƙarfin famfo na tsakuwa yawanci yana nufin ikon shigarwa, wanda shine dalili na asali ya zo da wutar lantarki mai tsakuwa, don haka ana kiranta ikon shaft, wakiltar P;
Hakanan ana kiran famfon tsakuwa mai ƙarfi mai ƙarfi da ƙarfin fitarwa, wakiltar Pe.Yana da tasiri makamashi naúrar lokaci daga tsakuwa bayarwa bayarwa daga cikin ruwa a cikin tsakuwa famfo.
Domin dagawa ne tasiri makamashi tsakuwa famfo fitarwa naúrar nauyi ruwa samu daga tsakuwa famfo, don haka shugaban da taro kwarara kudi da kuma hanzari na nauyi, shi ne naúrar lokaci daga tsakuwa famfo fitarwa ruwa samu m makamashi - wato tsakuwa famfo yadda ya dace. iko:
Pe = ρ gQH (W) = gamma QH (W) dabara ρ density - tsakuwa famfo ruwa (kg/m3);
Gamma mai tsanani - ruwa mai tsakuwa (N/m3);
Q - tsakuwa famfo kwarara (m3 / s);
H - dutsen famfo shugaban (m);
G - hanzarin nauyi (m/s2).
Shaft Power P da wutar lantarki Pe na asarar wutar lantarki na famfon tsakuwa, girman ma'aunin ingancin famfo.Ingantaccen famfon tsakuwa azaman ingantaccen iko da ma'aunin ƙarfin shaft, ta amfani da η.
Lokacin aikawa: Yuli-13-2021