Dab tsi Siab Ua Rau Drip Irrigation System xav tau
Kev ywg dej siab txiav txim siab seb txhua tus emitter hauv koj daim teb muab cov dej zoo li cas, lossis seb qee cov nroj tsuag poob dej thaum lwm tus qhuav. Drip systems khiav ntawm qhov tsis tshua muaj siab heev - feem ntau 10–30 PSI ntawm lub emitter. Txhua yam khoom siv hauv lub tshuab drip muaj lub qhov rais tshwj xeeb, thiab kev ua haujlwm sab nraud nws ua rau tsis sib xws, emitter puas tsuaj, lossis qoob loo poob. Tsis zoo licov tshuab sprinkleruas ua haujlwm ntawm 50-80 PSI, drip systems khiav ntawm qhov tsis tshua muaj siab, feem ntau 10-30 PSI ntawm lub emitter.
Cov kev xav tau siab los ntawm qhov system tivthaiv (UC Davis Extension, Zaccaria 2019):
| Cheebtsam | Yam PSI Range | Lub luag haujlwm hauv System |
| Mainline (ua ntej kev cai) | 20-60 PSI | Muab dej los ntawm lub twj tso kua mis mus rau ib cheeb tsam |
| Submain | 15-40 PSI | Distributes rau laterals |
| Lateral inlet | 10-25 PSI | Pub emitters raws kab |
| Emitter (tom qab kev cai) | 10-30 PSI (zoo tshaj: 15-25 PSI) | Muab dej rau hauv paus cheeb tsam |
Tsim siab los ntawm hom emitter (Oklahoma State BAE-1511; UGA Extension B894):
| Hom Emitter | Kev Ua Haujlwm Siab | Yam tsawg kawg nkaus | Siab Siab Siab Siab |
| Nyias-dawb daim kab xev (8–15 mil) | 6-15 PSI | 4-6 PSI | 15-20 PSI |
| Standard drip kab (turbulent flow) | 10-20 PSI | 5-10 PSI | 25-30 PSI |
| PC emitters (tus qauv) | 15-30 PSI | 7-10 PSI | Mus txog 58 PSI |
| PC emitters (tsawg-siab) | 10-25 PSI | 4-5 PSI | Mus txog 44 PSI |
| Micro-sprinklers | 20-40 PSI | 15-20 PSI | 40-50 PSI |
Yuav ua li cas tshwm sim thaum lub siab sib txawv 20% los ntawm cov ntsuas ntsuas (FAO Irrigation Manual Module 8):
| Qhov xwm txheej | Tsis yog -PC Emitter | PC Emitter | Kev cuam tshuam |
| 20% qis dua qhov ntsuas | -10% ntws | <5% flow change | Hauv qab - dej, qhov chaw qhuav, kev loj hlob stunted |
| 20% saum toj no rated | +10% ntws | <5% flow change | Txau / plam, tshuab fittings, dej ntws |
Rau cov tsis yog -PC emitters, ntws raws qhov sib npaug Q=k × P^x qhov twg x ≈ 0.5 rau turbulent flow. Qhov no txhais tau hais tias txhua txhua 10% kev hloov siab ua rau kwv yees li 5% hloov pauv - cov kav dej ncaj qha los ntawm kev hloov pauv siab mus rau qhov poob.
Yuav Ua Li Cas Ntsuas Qhov Siab Hauv Qhov Ntsuas Qhov Ntsuas?
Feem ntau cov teeb meem kev lag luam drip system yog teeb meem siab hauv kev zais. Cov txheej txheem 4-point ntsuas kev ntsuas siab yuav siv sijhawm 15 feeb ntawm ib cheeb tsam thiab ntes 80% ntawm cov teeb meem ua ntej lawv cuam tshuam cov txiaj ntsig.
4 cov ntsiab lus ntsuas tseem ceeb (UC Davis Extension; Gros.Farm 2026):
| Taw tes | Qhov chaw | Qhov Nws Qhia Koj |
| Point 1 | Lim inlet | Qhov chaw siab los ntawm lub twj tso kua mis lossis lub mains |
| Point 2 | Lim qhov hluav taws xob | Filter siab poob (clogging indicator) |
| Point 3 | Lateral inlet (thawj emitter) | Ua hauj lwm siab nkag mus rau drip kab |
| Point 4 | Lateral kawg (kawg emitter) | Tag nrho siab poob los ntawm cheeb tsam |
Vim li cas 4 cov ntsiab lus no tseem ceeb:
Point 1 vs Point 2 reveals filter condition. A clean screen filter drops 2–3 PSI; a clogged one drops >5 PSI. Qhov kev sib piv no qhia koj seb puas yuav rov qab los yog hloov.
Point 2 vs Point 3qhia valve, regulator, thiab manifold poob.
Point 3 vs Point 4qhia txog kev sib txhuam ntawm sab nraud thiab seb koj lub laterals ntev dhau lawm.
Gauge specifications rau kev siv teb (Hunter Industries Drip Zone Cov ntaub ntawv):
| Specification | Kev pom zoo | Vim li cas |
| Ntau yam | 0-60 PSI (0-4 bar) | Npog tag nrho cov dej ntws ua haujlwm ntau yam |
| Qhov tseeb | ± 2% ntawm tag nrho cov nplai | 1.2 PSI qhov tseeb ntawm 60 PSI ntau yam |
| Kev sib txuas | 1/4 "NPT los yog BSP | Standard irrigation haum |
| Hom | Glycerin - puv | Dampens vibration, nyeem tau thaum taug kev |
| Lub ntsej muag loj | 2" yam tsawg kawg nkaus | Nyeem tau hauv lub hnub ci |
Lim siab poob qhov pib (YourUniRrigation 2026):
| Hom lim | Clean (Nco) | Xav tau kev ntxuav | Tseem ceeb (Hloov / Rov qab) |
| Screen lim | 2-3 PSI | >5 PSI | >10 PSI |
| Disk lim | 3-5 PSI | >8 PSI | >15 PSI |
| Sand media filter | 5-8 PSI | >12 PSI | >20 PSI |
Thaum ntsuas (UC Davis Extension; AguaFox 2026):
| Lub sijhawm | Cov ntsiab lus rau Kos | Yuav Nrhiav Dab Tsi |
| Ua ntej-season (ua ntej thawj zaug) | Tag nrho 4 ntsiab lus | Muab piv rau cov qauv tsim qauv |
| Txhua hli thaum lub caij | Cov ntsiab lus 3 & 4 + lim | Lateral degradation, lim clogging |
| Tom qab ib qho kev kho | Tag nrho 4 ntsiab lus | Tshawb xyuas kev kho daws qhov teeb meem |
| Thaum kawg ntawm lub caij | Tag nrho 4 ntsiab lus | Cov ntaub ntawv rau xyoo tom ntej lub hauv paus |
Nruab qhov ntsuas qhov chaw ruaj khov ntawm cov ntsiab lus 1–3 siv 1/4 "NPT tee fittings nrog lub kaus mom.
Yuav ua li cas xam qhov poob siab hauv Drip Systems?
Kev poob siab yog qhov ntsiag to yield killer hauv kev lag luam drip systems. Dej poob lub zog thaum nws txav los ntawm cov kav dej (kev sib txhuam), kev hloov siab, thiab dhau los ntawm fittings thiab lim. Yog tias koj tsis suav rau cov kev poob no hauv kev tsim, koj cov emitters deb tshaj plaws yuav xa 20-40% dej tsawg dua li koj nyob ze.
Kev sib txhuam nqi npaum li cas rau 100 ft ntawm cov yeeb nkab?
Kev sib txhuam poob nyob ntawm cov yeeb nkab txoj kab uas hla, ntws tus nqi, thiab cov khoom siv yeeb nkab. Qhov me me ntawm cov yeeb nkab lossis qhov siab dua, qhov siab dua koj poob. Lub Hazen-Williams kab zauv (C=140 rau PE yeeb nkab) tsim cov teb no-cov ntaub ntawv npaj txhij.
PE yeeb nkab kev sib txhuam poob (PSI ib 100 ft) - lateral- qib tubing (IrrigationGlobal; NMSU RR773):
| Tus nqi ntws | 1/2 "(16mm OD) | 3/4 "(20mm OD) | 1" (25mm OD) | 1.25 "(32mm OD) |
| 1gpm ua | 0.45 | 0.14 | 0.05 | 0.01 |
| 2gpm ua | 1.80 | 0.49 | 0.15 | 0.05 |
| 4gpm ua | 7.00 | 1.90 | 0.58 | 0.19 |
| 6gpm ua | - | 4.20 | 1.26 | 0.41 |
| 10 GPM | - | - | 3.40 | 1.10 |
HDPE mainline kev sib txhuam poob (meters ntawm lub taub hau ib 100m) (IrrigationGlobal):
| Dej ntws (m³ / h) | 32mm ib | 40 hli | 50 hli | 63mm ib |
| 2.0 | 0.046 | 0.016 | - | - |
| 5.0 | 0.230 | 0.076 | 0.024 | - |
| 10.0 | - | 0.270 | 0.085 | 0.027 |
| 15.0 | - | - | 0.180 | 0.056 |
Qhov Kev Hloov Siab Li Cas cuam tshuam rau Drip Pressure?
Kev nce siab yog qhov yooj yim tshaj plaws hauv kev ntsuas dej hauv dej - thiab feem ntau tsis pom.
Txoj cai tseem ceeb (UKY HO122; Oklahoma State BAE-1511):
1 ko taw ntawm qhov siab nce=0.433 PSI poob
1 ko taw ntawm qhov siab poob=0.433 PSI nce
1 meter=9.8 kPa=0.098 bar
| Kev hloov siab | Cov nyhuv siab | Kev cuam tshuam ntawm daim kab xev (8-15 PSI ntau) |
| 10 ft (3 m) nce toj | -4.3 PSI | Qhov tseem ceeb - tuaj yeem poob qis qis |
| 20 ft (6 m) nce toj | -8.7 PSI | Tseem ceeb - tshaj tag nrho cov kev khiav hauj lwm ntawm nyias- daim kab xev |
| 30 ft (9 m) nce toj | -13 PSI | Qhov hnyav - yuav tsum tau zoning lossis PC emitters |
Ib daim teb uas poob 20 ko taw los ntawm sab saum toj mus rau hauv qab tau nce 8.7 PSI hauv qab. Rau drip daim kab xev ntsuas ntawm 8-15 PSI, txhais tau tias cov emitters saum toj kawg nkaus yuav pom 8 PSI (tsis tshua muaj ua haujlwm) thaum cov hauv qab pom 17 PSI (dhau-siab, txau). Qhov no yog raws nraim qhov scenario qhov twg PC emitters them rau lawv tus kheej.
Fitting thiab Component Pressure Losses
Txhua yam ntawm koj lub twj tso kua mis thiab cov emitters siv lub siab. Ntawm no yog cov kev poob qis los suav rau hauv kev tsim qauv.
| Cheebtsam | Yam PSI Loss | Sau ntawv |
| Screen lim (huv) | 2-5 PSI | Muab ob npaug los yog triples thaum txhaws |
| Disk filter (huv) | 3-7 PSI | Siab tshaj qhov screen; zoo filtration |
| Sand media filter | 5-10 PSI | Xws li backwash valve |
| Fertilizer injector | 5-15 PSI | Venturi hom poob siab tshaj plaws |
| Siab regulator | 0 PSI (ntawm setpoint) | Xav tau 10-15 PSI qhov sib txawv saum toj kawg nkaus |
| Kuaj valve | 0.5-1.5 PSI | Tiv thaiv kom ntws tawm - nqis |
| Dej ntsuas dej | 1-5 PSI | Nws txawv ntawm qhov loj me |
| 90℃luj tshib | 0.1–0.2 PSI | Me me tab sis ntxiv |
| Tee haum | 0.1–0.3 PSI | Nyob ntawm cov kev taw qhia ntws |
(Rain Bird Pressure Loss Reference; YourUniRrigation 2026)
Piv txwv:Yuav ua li cas xam qhov poob siab hauv 200m Drip Irrigation Lateral?
Scenario:16 hli PE lateral, 200m ntev, 1.0 L / h emitters ntawm 30cm sib nrug, tiaj tus.
Kauj ruam 1: xam tag nrho cov ntws
200m ÷ 0.3m=667 emitters
667 × 1.0 L/h=667 L/h=2.94 GPM
Kauj Ruam 2: Nrhiav kev sib txhuam poob
Los ntawm PE yeeb nkab rooj: 16mm ntawm ~ 3 GPM ≈ 1.8 PSI ib 100 ft
200m=656 ft
Kev sib txhuam poob ≈ (656/100) × 1.8 ≈11.8 TSI
Kauj Ruam 3: Txawm li cas los xij - drip laterals tsis puv - cov kav dej ntws.Dej tawm los ntawm cov emitters raws tag nrho ntev, yog li qhov tseeb kev sib txhuam poob yog kwv yees li 36-45% ntawm tag nrho - cov kav dej suav (cov Christiansen F-factor rau 667 qhov hluav taws xob ≈ 0.36).
Kho kev sib txhuam poob ≈ 11.8 × 0.36=4.3 PSI
Kauj ruam 4: Ntxiv qhov system poob
| Loss Source | PSI |
| Lateral kev sib txhuam (kho) | 4.3 |
| Screen lim (huv) | 3.0 |
| Fertilizer injector | 8.0 |
| Fittings & li qub | 1.5 |
| Emitter yam tsawg kawg nkaus ua haujlwm siab | 10.0 |
| Tag nrho xav tau ntawm lub twj tso kua mis | 26.8 TSI |
Cov kab ke no xav tau kwv yees li 27 PSI ntawm lub twj tso kua mis tso tawm - zoo nyob rau hauv tus qauv irrigation twj lub peev xwm, tab sis koj yuav tsum loj lub twj tso kua mis kom xa qhov no ntawm 2.94 GPM.
Kev poob siab los ntawm peb qhov chaw - kev sib txhuam (siv cov ntxhuav), qhov siab (0.433 PSI ib ko taw), thiab cov khoom siv (filters, injectors, li qub). Rau drip laterals, Christiansen kho qhov tseem ceeb txo qhov kev sib txhuam poob mus txog 36% ntawm tag nrho - yeeb nkab nqi. Ib tug 200m lateral nrog 1.0 L / h emitters ntawm 30cm qhov sib nrug poob roughly 4.3 PSI rau kev sib txhuam, uas yog tswj tau yog tias koj suav rau nws hauv twj tso kua mis.
Siab-Kev them nyiaj yugvs Tsis yog-PC Emitters: Kev hloov pauv siab cuam tshuam li cas rau koj cov txiaj ntsig?
Qhov kev xaiv ntawmsiab -compensating (PC)thiab tsis yog -PC emitters tsis yog kev txiav txim siab nqi xwb, nws ncaj qha txiav txim siab seb koj cov qoob loo tau txais dej npaum li cas thaum lub siab hloov pauv thoob plaws hauv thaj teb.
Npaum Npaum Npaum Li Cas Thaum Hloov Siab?
Rau cov tsis yog -PC emitters, ntws raws Q=k × P^x. Tus exponent x txiav txim siab rhiab heev:
| Hloov siab | Hloov pauv (x=0.5, turbulent) | Flow Change (x=0.7, ib co drip tape) |
| −20% | −10% | −14% |
| −10% | −5% | −7% |
| +10% | +5% | +7% |
| +20% | +10% | +14% |
Thaum PC Emitters Them Nyiaj Rau Lawv Tus Kheej?
PC emitters raug nqi 2–7 × ntau dua tsis yog-PC ($ 0.10–0.35 txhua vs $ 0.02–0.05), tab sis cov nyiaj rov qab tuaj yeem tuaj hauv 1-3 lub caij rau qhov xwm txheej zoo.
Yuav Ua Li Cas Tsis Txaus Siab -Usformity Txo Cov Yield?
Distribution Uniformity (DU) yog qhov kev ntsuas uas txuas nrog kev tswj xyuas siab rau koj cov kab hauv qab.DU=(Nruab nrab ntws qis tshaj 25% ntawm cov emitters) ÷ (Nruab nrab ntws ntawm tag nrho cov emitters) × 100
In a citrus drip irrigation study in Pakistan, maintaining DU >80% yuav tsum tau ceev faj tswj xyuas. Txoj kev tshawb nrhiav pom tias lub taub hau hloov pauv ntawm qhov siab ntawm 10.56m mus rau 7m (kwv yees li 15 txog 10 PSI) thoob plaws thaj teb ua rau ntsuas qhov sib txawv ntawm qhov sib txawv thaum tsis yog -PC emitters tau siv (PMD Pakistan).
Tsis yog-PC emitters poob 5-14% ntws ntawm 20% kev hloov siab, PC emitters tuav hauv 5%. Siv PC thaum qhov siab hloov siab tshaj 3 ft, laterals tshaj 400 ft, lossis koj loj hlob siab - cov qoob loo muaj nqis. A DU qis dua 80% txhais tau tias koj poob 5-15% tawm los. Kev txhim kho feem ntau yog kev tswj xyuas kev hloov kho siab, tsis yog dej ntau.
Yuav Ua Li Cas Tswj Dej Dej Siab?
Lub siab regulator yog ib qho tseem ceeb tshaj plaws rau kev sib koom ua ke, muaj kev cuam tshuam ntau dua li cov yeeb nkab loj, xaiv emitter, lossis lub peev xwm twj tso kua mis. Yog tias tsis muaj kev cai lij choj, txawm tias qhov zoo tshaj plaws -tsim txheej txheem yuav ua tsis tau zoo.
Preset vs Adjustable Pressure Regulators
| Feature | Preset Regulator | Adjustable Regulator |
| Tso zis siab | Tsau (10, 15, 20, 25, 30, 40, 50 PSI) | Variable nyob rau hauv ntau yam |
| Nqi | $15–40 | $40–100 |
| Qhov tseeb | ± 5% ntawm kev teeb tsa | ± 5-10% nyob ntawm kev teeb tsa |
| Zoo tshaj rau | Standard installation nrog paub hom emitter | Cov qoob loo sib xyaw, kev tshawb fawb, thaj chaw sib txawv |
| Kev teeb tsa | Swap unit los hloov siab | Tig ntsia hlau los kho |
Siab Regulator Sizing: Match Flow, Tsis yog Yeeb Nkab
A tus tswjuas loj heev yuav tsis tswj ntawm qis ntws; ib qho me me heev txwv tsis pub khiav thiab tsim kev poob siab ntau dhau.
Cov cai tseem ceeb sizing:
Flow range match:Regulator yam tsawg kawg nkaus ntws yuav tsum tsawg dua los yog sib npaug rau 10% ntawm koj cheeb tsam qhov siab tshaj plaws ntws
Siab sib txawv:Inlet siab yuav tsum yog tsawg kawg yog 10-15 PSI siab tshaj qhov tso zis siab
Tsis txhob undersize:Ib tug regulator uas yog me me dhau ua rau lub siab mus tas li txawm tias huv si
| Zone Flow Rate | Pom zoo Regulator Loj | Hom Kev Ntsuas Siab |
| 1-5 GPM | 3/4" | 15-40 PSI |
| 5-10 GPM | 1" | 15-40 PSI |
| 10-20 GPM | 1.5" | 15-40 PSI |
| 20-40 GPM | 2" | 15-40 PSI |
Ib cheeb tsam nrog 200 emitters × 1 GPH=200 GPH=3.3 GPM → Siv 3/4" regulator ntsuas 1-10 GPM, teem rau 15 PSI rau drip daim kab xev.
Ib Regulator Ib Cheeb Tsam Tsis Yog Ib Qhov System
Qhov no yog qhov feem ntau tsim yuam kev hauv kev lag luam drip installations.Ib lub siab tswj hwm ib cheeb tsam, ntsia tom qab thaj tsam valve.
Vim li cas ib cheeb tsam?
Zone li qub tsim kev hloov pauv siab thaum lawv qhib / kaw
Cov cheeb tsam sib txawv tuaj yeem muaj qhov sib txawv ntawm qhov siab
Tso cai ywj pheej siab optimization
cais cov teeb meem - ib cheeb tsam tus tswj tsis ua hauj lwm tsis cuam tshuam rau lwm tus
Txoj Cai Tswjfwm Ntiag Tug rau Sloped Fields
Sloped struts tsim systematic siab variation uas tsis muaj ib tug regulator yuav kho.
| Kev hloov siab nyob hauv ib cheeb tsam | Pom zoo tswv yim |
| <3 ft (<1 m) | Ib cheeb tsam, tsis yog -PC emitters OK |
| 3-10 ft (1-3 m) | PC emitters LOSSIS faib rau hauv qhov chaw siab |
| 10-20 ft (3-6 m) | Sib cais thaj chaw siab nrog cov neeg tswj hwm tus kheej |
| >20 ft (>6 m) | Ntau thaj chaw los ntawm kev nce qib; PC emitters thoob plaws |
Elevation Zone Regulator Strategy:
High- cheeb tsam qhov siab: Teem lub regulator+5 PSIsaum lub hauv paus teeb tsa kom them nyiaj rau qhov poob siab
Tsawg- cheeb tsam qhov siab: Teem lub regulator ntawm lub hauv paus chaw
Nruab cov tshev valve ntawm cov ntsiab lus qis kom tsis txhob ntws tawm - thaum lub kaw lus kaw
Vim Li Cas Kuv Cov Dej Dej Tsis Txaus Siab Hauv Teb thiab Yuav Kho Lawv Li Cas?
Thaum koj lub qhov dej ntws tsis ua haujlwm, qhov ntsuas siab qhia koj tias qhov tsis raug sai dua li lwm txoj kev kuaj mob. Tshooj lus no muab rau koj ib txoj hauv kev los txheeb xyuas, sim, thiab kho cov teeb meem siab hauv thaj chaw.
Quick Diagnostic Table
| Cov tsos mob | Tej yam ua rau | Field Test | Kev daws |
| Tsis muaj dej ntws ntawm ib qho emitter | Pump tawm, lub ntsiab valve kaw, cua xauv | Kos lub twj tso kua mis; qhib li qub; cua los ntshav | Rov qab muaj zog; qhib li qub; dej ntws system |
| Tsis muaj ntws ntawm qhov kawg emitters nkaus xwb | Lim lim; lub cev tsis muaj zog; tsam loj heev | Ntsuas lim inlet vs qhov hluav taws xob; ntsuas lateral start vs end | Ntxuav lim; cais cheeb tsam; nce yeeb nkab loj |
| Tsis muaj zog txaus tag nrho cheeb tsam | Pump tsis ua haujlwm; ntau qhov xau; undersized khoom | Ntsuas qhov siab; taug kev rau cov dej ntws; xyuas tus nqi ntws | Kho lub twj tso kua mis; kho cov dej ntws; nce kev muaj peev xwm |
| Cov emitters txau / misting | Siab siab dhau lawm; regulator ua tsis tau tejyam | Ntsuas lateral inlet siab | Nruab lossis hloov regulator |
| Fittings leaking | Siab siab; hnav cov ntsaws ruaj ruaj | Ntsuas qhov system siab; soj ntsuam fittings | Nruab regulator; hloov fittings |
| Dej rauj (banging pipes) | Ceev- kaw li qub; ceev ceev | Saib xyuas lub sijhawm ua haujlwm valve | Nruab qeeb- kaw li qub; ntxiv rauj arrestors |
| Ib cheeb tsam qis, lwm tus li qub | Zone regulator tsis ua hauj lwm; zone valve qhov teeb meem | Test regulator tso zis; kos valve | Hloov regulator; huv valve |
| Nquag ntws | Cua hauv qhov system; fluctuating mov | Tshawb xyuas cov ntsiab lus ntawm cua nkag; ntsuas qhov khoom sib xws | Kho cov pa tawm; txhim kho cua vents; ruaj khov khoom |
Puas yog kev sib txhuam, txhaws, lossis cov kav dej tsis zoo?
Tsawg siab ntawm qhov kawg ntawm laterals yog qhov kev tsis txaus siab tshaj plaws. Nov yog yuav ua li cas cais qhov laj thawj:
Kauj Ruam 1: Tshawb xyuas cov lim dej poob
Filter inlet rho tawm lim qhov hluav taws xob
5 PSI → Lim yog txhaws → Ntxuav lossis rov qab ntxuav
<5 PSI → Proceed to Step 2
Kauj Ruam 2: Tshawb xyuas sab hauv lub siab
Muab piv rau kev tsim siab
Hauv qab no tsim → Teeb meem yog ntws (tswj, xau, undersized lub ntsiab)
Thaum tsim → Mus rau Kauj Ruam 3
Kauj Ruam 3: Xam qhov kev xav tau kev sib txhuam poob
Siv cov ntxhuav hauv Tshooj 3
If measured loss >>xam → Ib feem ntawm qhov blockage yuav
Yog ntsuas poob ≈ xam → Kev sib txhuam yog qhov teeb meem
Yuav ua li cas qhia kev sib txhuam los ntawm clogging?
| Qhov taw qhia | Kev sib txhuam poob | Clogging |
| Cov qauv siab | Maj mam poob raws lateral | Sudden siab poob ntawm qhov chaw thaiv |
| Flow ntawm lateral pib | Ib txwm | Ib txwm los yog txo me ntsis |
| Teb rau flushing | Tsis muaj kev hloov hauv siab | Kev txhim kho ib ntus |
| Lim mob | huv | Tej zaum yuav qhia cov khib nyiab |
Kev daws los ntawm qhov laj thawj:
| Ua rau | Kho |
| Kev sib txhuam (sab ntev dhau los yog cov yeeb nkab me me dhau) | Ua kom cov yeeb nkab loj; luv laterals; loop qhov system |
| Clogging | Flush kab; acid kho rau ntxhia nplai; chlorination rau biofilm; txhim kho kev pom |
| Lub cev tsis muaj zog | Hloov kho thaj tsam nrog tsawg emitters ib sab lossis loj dua |
Dab tsi ua rau muaj kev kub ntxhov siab thiab yuav ua li cas thiaj tiv thaiv tau lawv?
Kev kub siab yog qhov txaus ntshai tshaj qhov tsis tshua muaj siab. Nws rhuav tshem cov khoom, tsis yog txo qis kev ua haujlwm.
| Ua rau | Yuav Qhia Li Cas | Kev daws |
| Pump cycling (nruab / tawm) | Gauge koob fluctuates wildly | Nruab siab tank; kho qhov txiav-in/cut{1}} tawm |
| Dej rauj | Lub suab nrov thaum cov valve kaw | Nruab qeeb-kaw solenoids; ntxiv rauj arrestors |
| Ua tsis tiav regulator | Siab nyeem zoo tshaj qhov teeb tsa | Hloov regulator; txheeb xyuas qhov sib txawv yam tsawg kawg nkaus |
| Ntau thaj chaw kaw ib txhij | Spike tshwm sim thaum kawg ntawm lub voj voog | Stagger cheeb tsam kaw los ntawm 30-60 vib nas this |
| Elevation poob rau hauv qhov system | Raws li kev kub siab ntawm cov ntsiab lus qis | Nruab siab-txo cov li qub ntawm qhov nce siab |