I. Kev faib tawm ntawm kev tshawb fawb: Precise positioning for different filtration layers
Kev faib tawm ntawmpebble filtermedia yuav tsum nruj me ntsis raws li cov txheej txheem lim dej ntawm cov txheej txheem kho dej.Pebblesntawm qhov sib txawv particle qhov ntau thiab tsawg ua cov luag haujlwm sib txawv, thiab lawv cov qauv kev faib tawm tau tsim kev pom zoo rau kev lag luam:
4-8mm Particle Loj: Core of Surface FiltrationPebble lim xov xwm nyob rau hauv cov khoom me me no muaj cov khoom sib xws, feem ntau yog siv rau hauv txheej txheej ntawm cov tshuab pom. Nws tuaj yeem cuam tshuam tau tshem tawm cov impurities, cov khoom zoo, thiab qee cov tshuaj colloidal hauv dej, tso lub hauv paus rau kev sib txuas tom ntej thiab txhim kho kev ua kom huv huv tag nrho.
8-16mm Particle Loj: Txuas Txuas hauv Nruab Nrab-Layer LimRaws li qhov nruab nrab - txheej pom cov khoom, pebbles ntawm qhov me me no tuaj yeem tsis tsuas yog lees txais cov dej nkag los ntawm txheej lim dej thiab ntxiv cov lim dej tsis zoo hauv cov dej tab sis kuj ua lub luag haujlwm tsis txaus, tiv thaiv cov lim xov xwm qis los ntawm kev cuam tshuam ntau dhau thiab tswj kev ruaj ntseg ntawm qhov pom.
16-32mm Particle Loj: Khoom txhawb nqa rau cov kabmob txheejLoj -particle pebble lim xov xwm tsim cov txheej txheem ntawm kev pom. Nws lub luag haujlwm tseem ceeb yog txhawm rau txhawb nqa cov lim dej sab saud (xws li quartz xuab zeb, cov pa roj carbon activated, thiab lwm yam), tiv thaiv cov xov xwm sab sauv los ntawm kev poob vim dej cuam tshuam lossis rov qab ntxuav. Nyob rau tib lub sijhawm, nws ua kom cov dej tsis sib xws thiab tsis txhob pom qhov chaw tuag.
II. Core Technical Indicators: Rigid Standards Defining Filter Media Performance
Kev ua tau zoo ntawm pebble lim xov xwm ncaj qha txiav txim siab txog kev kho dej. Kev lag luam nruj me ntsis txhais nws los ntawm ib tug xov tooj ntawm cov kev qhia tseem ceeb los xyuas kom meej nws adaptability rau ntau yam kev kho dej scenarios:
Cov ntsiab lus av nkos <1%Cov av nkos tsawg yog lub hauv paus rau kev ua kom pom kev ua haujlwm zoo. Cov ntsiab lus av nkos ntau dhau yuav ua rau txhaws ntawm qhov hws ntawm cov khoom lim tawm, txo cov dej ntws tawm, thiab ua kom rov qab siv dua thiab cov nqi. Siab - zoo pebble lim xov xwm tuaj yeem tswj cov av nkos hauv qab 1% los ntawm kev sib cais thiab kev ntxuav tes.
Qhov ceev: 2.6-2.8g / cm³Pebble lim xov xwm nyob rau hauv qhov ceev no muaj ob qho tib si zoo stability thiab dej permeability. It can stably support the upper filter media without compaction due to excessive density or being carried away by water flow due to insufficient density.
Mohs Hardness Ntau dua lossis sib npaug rau 6Kev ua haujlwm siab ua kom ntseeg tau tias cov lim dej tuaj yeem tiv taus dej yaig, kev sib txhuam rov qab, thiab kev puas tsuaj los ntawm impurities hauv dej thaum lub sij hawm ntev - siv, txo cov particle breakage thiab poob, thiab prolonging lub neej kev pab cuam ntawm lub lim xov xwm.
Acid-Alkali Resistance: Stable ntawm pH 3-11Tus nqi pH ntawm dej sib txawv heev nyob rau hauv cov xwm txheej kev kho dej sib txawv. Pebble lim xov xwm muaj cov tshuaj muaj zog ruaj khov nyob rau hauv pH ntau ntawm 3-11, tsis muaj tshuaj lom neeg nrog dej, thiab yuav tsis tso cov khoom tsis zoo rau cov dej tsis zoo, ua rau nws tsim nyog rau ntau qhov chaw dej xws li dej kais dej thiab dej khib nyiab.
III. Tsim thiab Daim Ntawv Thov Specifications: Cov Ntsiab Lus Txuas Kom Paub Txog Tus Nqi Tshaj Tawm Media
Daim ntawv thov ntawm pebble lim xov xwm yuav tsum ua raws li kev tsim qauv tshwj xeeb. Txhua qhov txuas, los ntawm lim txheej thickness, gradation txoj cai rau backwashing tsis, ncaj qha cuam tshuam rau kev ua hauj lwm efficiency thiab cov nyhuv ntawm lub filtration system:
Lim Txheej Thickness: 30-50cmLub thickness ntawm pebble lim xov xwm txheej nyob rau hauv lub lim tank yuav tsum tau tswj ntawm 30-50cm. Tsis txaus thickness yuav ua rau tsis txaus bearing thiab filtration teebmeem, ua tsis tau zoo txhawb lub sab sauv lim tawm los yog cuam tshuam impurities; Cov tuab tuab heev yuav ua rau kom cov dej ntws tsis kam, txo qhov nrawm nrawm, thiab ua kom lub zog noj. Hauv kev siv tswv yim, kev hloov kho yuav tsum tau ua raws li qhov muaj peev xwm kho dej, cov ntsiab lus impurity hauv dej, thiab lim xov xwm particle loj.
Gradation Principple: Zoo rau saum, ntxhib rau hauv qabCov lim xov xwm gradation nruj me ntsis raws li lub hauv paus ntsiab lus ntawm "zoo rau saum thiab ntxhib rau hauv qab". Ntawd yog, txheej txheej sab saud siv 4-8mm zoo-cov khoom lim tawm kom pom tseeb, txheej nruab nrab siv 8-16mm lim xov xwm rau kev sib txuas thiab kev hloov pauv, thiab cov txheej hauv qis siv 16-32mm loj-grained lim xov xwm raws li cov kabmob txheej. Txoj kev gradation no tuaj yeem tsim qhov tsim nyog qhov pore gradient, txhim kho impurity interception peev, thiab pab txhawb kev tawm ntawm impurities thaum rov qab ntxuav.
Backwashing siv: 12-15L / m² ・ sBackwashing yog txheej txheem tseem ceeb los kho qhov ua tau zoo ntawm cov lim tawm. Kev siv rov qab siv ntawm pebble lim tawm yuav tsum tau tswj ntawm 12-15L / m²・s. Kev siv tsis txaus tsis tuaj yeem tev tawm cov impurities txuas rau saum npoo ntawm cov xov xwm lim; Kev siv ntau dhau yuav ua rau muaj kev cuam tshuam ntawm cov txheej txheem lim xov xwm, ua rau cov qauv gradation puas tsuaj, thiab cuam tshuam rau cov nyhuv pom tom ntej.
IV. Muaj ntau hom kev thov: Tus nqi siv tau thoob plaws hauv Kev Kho Dej
Nrog nws cov kev ua tau zoo ruaj khov thiab hloov tau yooj yim, pebble lim xov xwm tau siv dav hauv kev kho dej kais dej, kev kho dej phwj tuaj, kev kho dej thiab lwm yam kev lag luam, uas qhia txog qhov tseem ceeb ntawm daim ntawv thov:
Cov Khoom Siv Hluav Taws Xob: "Sand Loss Preventer" rau cov xuab zeb lim CushionHauv cov xuab zeb lim dej ntawm cov nroj tsuag dej, pebble lim xov xwm ua haujlwm qis dua ntawm quartz xuab zeb lim xov xwm. Nws tuaj yeem pab txhawb cov quartz xuab zeb zoo, tiv thaiv lawv los ntawm kev poob nrog cov dej ntws hauv qab kev ua haujlwm ntawm cov dej ntws, thiab tib lub sijhawm ua kom cov dej tsis sib xws hauv lub tank lim, txhim kho cov nyhuv purification ntawm cov xuab zeb lim txheej ntawm cov dej nyoos thiab tsim thawj kab ntawm kev tiv thaiv rau cov neeg nyob hauv dej haus kev nyab xeeb.
Kev Kho Dej Dej: "Microbial Hotbed" rau Anaerobic TanksNyob rau hauv cov tshuaj tiv thaiv anaerobic tank ntawm cov dej phwj tuaj kho, pebble lim xov xwm ua raws li cov cab kuj rau microbial fillers. Nws cov ntxhib ntxhib ntxhib los mos muab qhov chaw txuas txaus rau cov kab mob, uas tuaj yeem ua rau cov kab mob microbial nce ntxiv -hanging efficiency los ntawm 40%. Cov xov xwm lim dej nrog biofilm tuaj yeem ua rau cov organic teeb meem zoo, nitrogen, phosphorus thiab lwm yam dej paug hauv cov dej phwj tuaj, ua kom cov dej phwj tuaj yeem ua tau zoo.
Kev Siv Dej Circulating: "Kev Pabcuam Lub Neej Extender" rau Cov Txias NtauwdNyob rau hauv kev lag luam circulating dej systems, txias yees yog nquag ua luv luv kev pab cuam lub neej vim impurity deposition thiab corrosion nyob rau hauv dej. Raws li lub tshuab cua txias ntauwd, pebble lim xov xwm tuaj yeem lim cov khib nyiab, xeb thiab lwm yam impurities hauv cov dej ntws, txo qhov scaling thiab corrosion hauv cov khoom siv. Nyob rau tib lub sijhawm, nws qhov kev ua tau zoo ntawm cov cua kub dissipation tuaj yeem txhim kho kev ua haujlwm txias, txuas ntxiv lub neej kev pabcuam ntawm cov cuab yeej los ntawm 2-3 xyoos, thiab txo cov nqi kho cov khoom lag luam.
V. Kev Ua Tau Zoo thiab Tus Nqi -Kev Sib Piv Kev Ua Tau Zoo: Qhov Zoo Tshaj Plaws Zoo Tshaj Plaws Cov Tub Ntxhais Kev Sib Tw
Hauv kev kho dej lim tawm kev lag luam, quartz xuab zeb, ceramsite thiab pebbles feem ntau siv lim xov xwm. Peb qhov sib txawv ntawm kev ua tau zoo thiab tus nqi, thiab lub ntuj ruaj khov thiab tus nqi -cov txiaj ntsig zoo ntawm pebble lim xov xwm yog qhov tshwj xeeb. Qhov kev sib piv tshwj xeeb yog raws li hauv qab no:
Kev sib piv nrog Quartz Sand Lim MediaQuartz xuab zeb lim xov xwm muaj me ntsis siab dua qhov pom tseeb dua li pebbles, tab sis nws cov tshuaj lom neeg tsis muaj zog. Nws yooj yim rau kev tawg hauv cov dej acidic, thiab nws qhov hardness yog qis dua li pebbles, uas ua rau poob ntau dua thaum siv sijhawm ntev -. Nyob rau hauv cov nqe lus ntawm tus nqi, quartz xuab zeb lim xov xwm yuav tsum tau tsim khoom thiab purification, thiab nws tus nqi yog 20% -30% siab dua li ntawm ntuj pebbles; thaum pebble lim xov xwm yog ib txwm tsim yam tsis muaj kev ua haujlwm nyuaj, thiab muaj tus nqi poob qis, ua rau qis dua tus nqi rau kev siv mus ntev.
Sib piv nrog Ceramsite Filter MediaCeramsite lim xov xwm yog cov khoom siv lim xov xwm nrog cov porosity siab, tab sis nws lub cev lub zog tsis zoo. Nws yog ib qho yooj yim tawg thaum rov qab ntxuav, thiab nws lub neej kev pab tsuas yog 1/3-1/2 ntawm pebbles. Kev tsim cov lim dej ceramsite siv ntau lub zog thiab cov khoom siv raw, thiab nws cov nqi yog 1.5-2 npaug ntawm pebble lim xov xwm; thaum pebble lim xov xwm yog ntuj thiab ib puag ncig tus phooj ywg, tsis muaj cov khoom siv hluavtaws yuav tsum tau, thiab nws muaj cov tshuaj lom neeg ruaj khov. Nws tuaj yeem ua haujlwm ruaj khov hauv dej nrog pH 3-11, thiab muaj ntau yam xwm txheej siv tau.
Kev hais lus dav dav, txawm hais tias pebble lim xov xwm yog me ntsis qis dua rau quartz xuab zeb hauv kev pom tseeb thiab rau ceramsite hauv porosity, nws tau dhau los ua cov lim dej nyiam tshaj plaws uas sib npaug dej kho cov nyhuv thiab kev lag luam vim nws qhov ua tau zoo, muaj zog ruaj khov, thiab tus nqi kom zoo dua yam tsis muaj kev tsim khoom. Nws yog qhov tshwj xeeb tshaj yog tsim rau cov dej kho dej uas yuav tsum tau muaj kev lim dej siab tshaj tawm kev ruaj ntseg thiab ntev - lub sij hawm tswj tus nqi.
VI. Xaus
Daim ntawv thov tus nqi ntawm pebble lim xov xwm rau kev kho dej stems los ntawm nws cov qauv kev faib tawm scientific, nruj kev ntsuas, qauv tsim thiab daim ntawv thov, thiab tus nqi tseem ceeb -cov txiaj ntsig zoo. Los ntawm cov dej nyab xeeb ntawm cov nroj tsuag dej mus txog rau - mus rau - tus qauv tso tawm ntawm cov dej phwj tuaj, thiab tom qab ntawd mus rau kev txuag hluav taws xob thiab kev txo qis ntawm cov dej hauv kev lag luam, pebble lim xov xwm muab cov kev daws teeb meem zoo thiab kev lag luam rau kev lag luam kho dej nrog nws cov khoom ntuj tsim. Nrog rau kev txhim kho txuas ntxiv ntawm kev kho dej thev naus laus zis, daim ntawv thov scenarios ntawm pebble lim xov xwm yuav nthuav dav ntxiv, thiab nws cov txiaj ntsig tseem ceeb ntawm kev tiv thaiv ib puag ncig ntuj, kev ruaj ntseg thiab kev ntseeg siab yuav txuas ntxiv txhawb kev txhim kho ntsuab ntawm kev kho dej.