Thaum twg nws yuav tsum tau nruab ib lub qhov hluav taws kub hauv dej thiab yuav ua li cas rau nruab nws kom raug? Koj yuav tsum paub dab tsi kom tau txais nws txoj cai? Kab lus yuav teb cov lus nug no.
Thaum ERW xav tau hauv lub tsev
Daim ntawv teev cov kev xav tau rau kev sib koom ua lag luam hauv cov dej tua hluav taws tau qhia hauv ntau cov ntaub ntawv tswj hwm ntawm EaP 10.13.130 2009.
Yuav tsum tau teeb tsa cov kav dej:
- Nyob hauv vaj tse thiab pej xeem.
- Nyob hauv kev tswj hwm thiab tsev hauv tsev.
- Industrial nroj tsuag.
- Nyob rau hauv cov chaw tsim khoom.
Thaum txiav txim siab tus nqi ntws, kev paub txog tus naj npawb ntawm cov khw thiab ntim ntawm cov qauv yuav tsum tau ua. Hauv thaj chaw nyob, qhov ntev ntawm txoj kev hauv tsev yog muab rau hauv tus account.
Nyob hauv cov tsev lag luam thiab cov tsev khaws khoom, theem ntawm kev tiv thaiv hluav taws ntawm lub tsev, qib ntawm kev nyab xeeb hluav taws thiab qhov ntim ntawm ib chav tshwj xeeb raug suav nrog.
Nyob hauv cov tsev lag luam thiab cov tsev khaws khoom, yog tias qhov siab tshaj 50 m, thiab cov ntsuas tau qhia nrog ntim txog li 50 txhiab m3 3 , nws raug pom zoo kom siv plaub lub dav hlau twj tso kua mis nrog lub taub hau ntawm 5l/s Yog tias qhov ntim ntawm chav tsev siab dua, kev siv yim-jet qauv yog pom zoo.
Txhawm rau txiav txim siab cov dej siv rau kev tua hluav taws, nws yuav tsum tau coj mus rau hauv tus account qhov siab ntawm lub dav hlau compact thiab txoj kab uas hla ntawm cov tshuaj tsuag. Nrog lub siab dawb ntawm qhov hluav taws kub qaib, nws yog ib qho tsim nyog kom ua tiav lub dav hlau compact, qhov siab uas yuav tso cai rau cov hluav taws tua hluav taws ntawm qhov chaw siab tshaj ntawm lub tsev.
yam ntxwv ntawm cov kav dej tua hluav taws B2
Cov dej tua hluav taws B2 yog qhov tsim nyog txhawm rau txhawm rau tua hluav taws nrog dej. Raws li qhov yuav tsum tau muaj ntawm cov ntaub ntawv tswj hwm, xws li ib qho kev teeb tsa yuav tsum raug teeb tsa:
- Hauv cov tsev nyob nrog 12 plag tsev thiab siab dua.
- Nyob hauv cov tsev ntawm kev tswj xyuas cov tsev uas muaj ntau lub tsev ntawm 6 lossis ntau qib.
- Nyob hauv cov chaw ua yeeb yam thiab chaw ua yeeb yam uas muaj theem, xinesmas, ntawm thaj chaw ntawm lub rooj sib txoos thiab cov rooj sib tham, uas tau nruab nrog cov qauv tsim nyog ntawm cov khoom siv xinesmas.
- Nyob hauv tsev so, ntawm cov chaw pej xeem, qhov ntim ntau tshaj 5 txhiab m33;
- Nyob hauv kev tswj hwm thiab kev pabcuam cov tsev ntawm cov tuam txhab lag luam, nrog ntim ntawm 5 txhiab m33.
Cov yam ntxwv ntawm qhov Scope ntawm SV B2, nruab nrog lub teeb hluav taws xob
Raws li cov ntaub ntawv tswj hwm, txoj kev txhim kho B2 system yog subordinate rau B1 thiab B3 systems. Nws ua raws los ntawm qhov no tias yog tias muaj B1 lossis B3 tes hauj lwm ntawm qhov chaw, nws yuav tsum tau txuas B2 hluav taws dej xa mus rau B1 lossis B3 network riser.
Cov ntsuas ntawm txoj kab uas hla ntawm B2 risers yuav tsum yog tsawg kawg yog 50 hli. Lub cheeb tsam ntawm lawv qhov chaw yog thaj chaw ntawm lub staircase thiab txoj kev hauv tsev. Qhov chaw ntawm qhov hluav taws kub hydrants nrog ib txoj kab uas hla ntawm 50 hli yuav tsum tau ib theem ntawm 1.35 m saum toj no hauv pem teb nto.
Lawv muab tso rau hauv lub xauv. Lub xub ntiag ntawm lub qhov cub hluav taws kub hnyiab, qhov ntev ntawm 10 mus rau 20 m, yog qhov tseem ceeb ntawm no, ib qho kawg ntawm lub hose yog nruab nrog ib nrab txiv ntseej kom ceev ceev txuas rau lub tshuab hluav taws xob. Lwm qhov kawg yog haum nrog lub tshuab hluav taws xob conical los tsim lub dav hlau dej compact uas yog 10 txog 20 meters ntev.
Yuav txiav txim siab npaum li cas dej xav tau rau ERW
Nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account qhov xwm ntawm tus kheej cov yam ntxwv ntawm cov khoom. Yog tias qhov no yog ib lub tsev rau khoom lag luam, qhov twg tag nrho cov khoom siv hluav taws xob tua hluav taws nrog txoj kab uas hla ntawm 100 thiab ib chav tsev qhov hnyav ntawm kg, nws raug nquahu kom nce tus nqi qis kawg nkaus raws li cov cai ntawm cov ntaub ntawv tswj hwm. Rau qhov no, steel ncej lug siv tau.
Txoj kab thaiv kev tiv thaiv
Yog tias lub qhov dej los yog cov yeeb nkab yas ntawm cov khoom siv hluav taws xob sab nraud tuaj yeem khov rau lub caij ntuj no, koj tuaj yeem txuas hluav taws xob rau cov kav dej hauv cov dej khov loj. Thaum txhim kho qhov system, nws raug tso cai siv cov rwb thaiv tsev ntxiv nrog cov ntaub ntawv tshwj xeeb. Yuav tsum tau muab kev tiv thaiv Frost rau cov kav dej tua hluav taws.
outdoorcov kav dej thiab cov kav dej tuaj yeem raug insulated nrog cov ntawv ci thiab ib lub zog hluav taws xob cable, uas muaj peb cores. Cov ntawv ci ua haujlwm ua lub dab dej kub thiab tiv thaiv overheating. Qhwv cov yeeb nkab nrog rwb thaiv tsev. Yog li ntawd tsis muaj loads nyob rau hauv lub trench qhov twg lub pipeline nyob, nws yog concreted.
Txhua qhov fittings yog huv si, nws raug nquahu kom ntxiv cov tshuaj tiv thaiv corrosion los yog xim. Ua ntej gluing daim kab xev, cov yeeb nkab yuav tsum tau ntxuav cov plua plav thiab av.
Muaj nrawm dua, tab sis tsis yooj yim li. Txiav strips ntawm ntawv ci isol los yog isospan, nplaum lawv nrog daim kab xev.
Koj tuaj yeem cua ob peb txheej ntawm mesh ntawm cov yeeb nkab, lub tsho tiv no nrog cov kua nplaum thiab qhwv nws nrog rwb thaiv tsev. Nov yog txoj hauv kev zoo tshaj plaws los tiv thaiv cov kav hluav taws xob los ntawm kev khov, tsim los rau kev ua haujlwm ntev.
Qhov twg siv hluav taws kub hnyiab
Cov kab ke no tau paub txog kev tua hluav taws rau ntau tshaj 200 xyoo. Lub chaw tua hluav taws yeej ib txwm muaj cov hydrant ze tshaj plaws ntawm nws qhov chaw pov tseg. Nws lub xub ntiag yog yuav tsum tau nyob rau hauv txhua cheeb tsam. Lawv kev nkag tau yooj yim, yooj yim ntawm kev siv thiab pom ntawm thaj chaw yog qhov tseem ceeb.
Hydrants uas nyob hauv thaj chaw nyob yuav tsum muab lub dav hlau dej ntawm 5700 l / min. Nws yog ib qho tsim nyog los nrhiav SG raws qhov ntev ntawm txoj kev, 2.5 m ntawm nws ntug thiab mus txog 5 m ntawm phab ntsa ntawm qhov chaw nyob ze.
Nws txwv tsis pub nruab rau ntawm thaj chaw uas yog npaj rau kev txav ntawm lub tsheb thiab ntawm cov ceg ntoo ntawm cov kav dej. Txhim kho qhov hluav taws kub hydrant kom koj tuaj yeem tua hluav taws txhua lub sijhawm.ntawm cov khoom uas tau muab rau lub network no. Nws yog ib qho tseem ceeb uas tsawg kawg yog ob lub hydrant hoses muaj nrog cov dej ntws rau sab nraum zoov tua hluav taws los ntawm 15 l / s.
Hais txog cov kav dej hauv tsev
Standards SN thiab P hais txog cov khoom siv dej sab hauv thiab cov kav dej phwj ntawm cov khoom raug muab los tsim cov tshuab uas nyuam qhuav tsim kho thiab rov tsim kho cov uas twb muaj lawm:
- khoom siv hauv tsev;
- sej;
- dej.
Mounting Features
Kev kho cov kav dej tuaj yeem ua tau los ntawm kev txhawb nqa phab ntsa thiab muab faib rau thaj tsam ntawm lub qhov mounting. Nws tuaj yeem txhawb nqa hauv pem teb hauv qab daus los ntawm qhov chaw ntawm cov pob zeb lossis cib kab, cov hlua khi nrog tag nrho ntev ntawm phab ntsa thiab muab faib. Lub raj xa dej kuj tau txais kev txhawb nqa ntawm kev ncua mus rau qhov chaw ntawm cov plag tsev.
Thaum lub sijhawm teeb tsa ntawm cov kav dej tua hluav taws, yog tias qhov siab ntawm qhov hluav taws kub siab tshaj 40 m, lub diaphragm yog muab nruab nrab ntawm nws thiab qhov chaw ntawm lub taub hau txuas. Qhov no yuav tsum tau ua kom txo qis siab tshaj. Koj tuaj yeem nruab diaphragms uas muaj tib lub qhov taub ntawm cov tsev nrog peb lossis plaub plag tsev.
Yuav tsum muaj qhov nrug deb ntawm hauv pem teb thiab qhov siab tshaj plaws ntawm cov plag tsev, tsis tsawg tshaj li qhov tau teev tseg hauv lub rooj:
| Build height | Tim tsev | Lub dav hlau dav hlau ntev |
| Up to 50mm | Nyob hauv tsev,pej xeem, industrial thiab auxiliary tsev ntawm industrial enterprises | 6m |
| Ntau tshaj 50mm | tsev nyob | 8m |
| Ntau tshaj 50mm | Public, industrial thiab auxiliary tsev ntawm cov tuam txhab lag luam | 16m |
Yuav ua li cas xam rau ERW hauv HydroVPT program
Yog tias muaj cov dej siv hluav taws xob zoo tib yam, uas muaj cov kais dej thiab cov kav dej, koj tuaj yeem suav yuav ua li cas rau nruab nws siv Internet program. Cov txiaj ntsig suav - ntsuas ntsuas ntsuas thiab ntsuas siab.
Xav txog cov tswv yim ntawm kev sib koom ua ke 10 13130 internal hluav taws dej. Txhawm rau xam qhov yuav tsum tau ua, peb yuav nkag mus rau cov cranes uas xav tau raws li cov qauv.
Hloov mus rau qhov kev pab cuam thiab qhia tias muaj, piv txwv li, 2 lub dav hlau ntawm 2.5 litres txhua. Qhov siab ntawm chav tsev yog 3 m, cov cim crane yog 1.35 m, tsis muaj kev tswj hwm. Cia peb kos ib lub nplhaib nrog txoj kab uas hla ntawm 50 mm thiab qhov kawg tuag. Pipeline txoj kab uas hla - 65-80 mm.
Nkag mus rau tag nrho cov ntaub ntawv, tsis txhob hloov ib yam dab tsi hauv ntu "Regular", vim cov ntsuas no haum rau peb. Cia peb nkag mus rau tus lej 0.000005 thiab simulate ib qho kev sib tw ua luam dej - cov xim liab nyob rau sab saum toj ntawm lub vijtsam. Nws yuav tsis raug coj mus rau hauv tus account hauv qhov kev pab cuam, tab sis cov khoom no yuav tsum tau.
Qhia qhov siab geometric ntawm dictating sprinkler 3 m, qhov siab ntawm chav tswj thiab cov coefficient - 0.2 kais ntawm 2.5 liters txhua. Cia peb xaiv qhov tsawg kawg nkaus qhov tseem ceeb ntawm txoj kab uas hla rau kev txiav txim siab ntawm ceg ceg siab - 0.001. Cov kev suav suav suav nrog kev poob siab hauv zos. Peb qhibntu "Fire hydrant. Cov kav dej". Peb xaiv thiab hloov tau tus nqi ntawm cov hluav taws kub hydrant. 2.6 l / s, 0.1 MPa, 50 mm kais yog cov qauv tsim nyog uas tuaj yeem siv rau hauv peb cov kev suav. Peb paub meej tias cov ntsuas nkag thiab mus rau qhov kev xaiv ntawm txoj kab uas hla ntawm cov hluav taws kub hydrants. Peb nkag mus rau qhov ntsuas ntawm 50 mm. Rau cov kav xa dej - 67 mm.
Tiav los ntawm kev txhais qhov ntev ntawm ntu. Thawj yog qhov kev ncua deb ntawm qhov hluav taws kub hydrant. Peb qhia cov ntsuas ntawm 2 m ntawm qhov siab ntawm 1.65, txij li cov kav dej tua hluav taws no muaj qhov qis qis. Qhov ntev ntawm lub nplhaib raj xa dej yog 3 m. Nkag mus rau tib qhov ntsuas rau qhov thib ob kais.
Tag nrho cov kab ke nkag mus, nyem "Tiav", thiab qhov program yuav cia li suav cov ntsuas tsim nyog.
Summarize
Kev tua hluav taws tua hluav taws yog ib qho khoom siv uas yuav tsum tau ua kom muaj kev nyab xeeb ntawm hluav taws ntawm cov tsev thiab lwm qhov chaw. Kev teeb tsa ntawm cov kab ke no txhais tau hais tias ua raws li qhov yuav tsum tau teev tseg hauv cov ntaub ntawv tswj hwm rau ERW system.
