1. Casing:
1) Thaum lub raj xa dej hla ntawm phab ntsa lossis hauv pem teb, lub casing yuav tsum tau nruab.
2) Bushings los ntawm hauv pem teb: nyob rau hauv chav dej thiab chav ua noj, lub sab saum toj yuav tsum yog 50 hli saum toj no cov hniav hauv pem teb; Hauv lwm chav, sab saum toj yuav tsum yog 20mm saum toj no cov ntaub pua tsev. Hauv qab yuav tsum yog theem nrog lub hauv qab ntawm lub hauv paus. Qhov sib txawv ntawm cov casing thiab cov yeeb nkab yuav tsum tau ntim nrog cov nplaim hluav taws kub nyhiab, thiab qhov kawg saum npoo yuav tsum du.
3) Bushing los ntawm phab ntsa: nws ob qhov kawg yog yaug nrog lub tiav.
4) Lub interface ntawm cov kav dej yuav tsum tsis txhob muab tso rau hauv lub casing.
2. Thaum cov yeeb nkab txoj kab uas hla yog tsawg dua los yog sib npaug rau DN80, cov ntsia hlau txuas yog siv, thiab thaum cov yeeb nkab txoj kab uas hla yog ntau dua DN80, lub clamp txuas yog siv.
Thaum lub valve tsawg dua los yog sib npaug ntawm DN50, cov ntsia hlau txuas yog siv, thiab thaum lub valve siab dua DN50, qhov kev sib txuas ntawm flange yog siv.
3. Cov yeeb nkab clamp interface:
1) Clamp-hom kev sib txuas: Qhov kawg ntawm ob lub kav dej yuav tsum tiaj tus thiab seamless, qhov zawj dav yuav tsum tsis sib xws, cov kav dej yuav tsum ncaj tom qab clamping bolts, thiab cov kev taw qhia ntawm cov clamps yuav tsum zoo ib yam.
2) Flange kev twb kev txuas: Lub gasket yuav tsum tsis txhob protrude rau hauv cov yeeb nkab, thiab nws cov ntug sab nrauv yuav tsum nyob ze rau lub bolt qhov. Tsis txhob muab ob npaug los yog ib nrab pads.
3) Bolts ntawm flange: txoj kab uas hla thiab ntev yuav tsum ua tau raws li tus qauv, tom qab nruj, qhov ntev ntawm cov txiv ntoo protruding yuav tsum tsis txhob ntau tshaj 1/2 ntawm txoj kab uas hla ntawm lub hau.
4) Cov kav dej nrog cov roj hmab nplhaib ntawm cov pob qij txha: Cov kav dej tau tso cai tso rau ntawm qhov nkhaus, thiab qhov siab tshaj plaws deflection lub kaum sab xis ntawm txhua qhov sib koom yuav tsum tsis pub tshaj 2 degree.
4. Tus naj npawb ntawm nozzles tswj los ntawm ceg yeeb nkab ntawm lub tshuab sprinkler
5. Hlau yeeb nkab txuas:
1) Galvanized steel kav nrog ib txoj kab uas hla tsawg dua los yog sib npaug ntawm DN100 tuaj yeem txuas nrog xov.
2) Thaum cov yeeb nkab txoj kab uas hla loj dua DN100, clamp, flange lossis vuam txuas tuaj yeem siv tau. Cov kav dej thiab cov kav dej: cov welds ntawm cov kav hlau thiab flanges yuav tsum tau galvanized ob zaug; cua txias cov kav dej: kev kho mob tiv thaiv corrosion yuav tsum tau ua rau ntawm qhov chaw ntawm cov welds thiab thaj chaw uas muaj cua sov.
3) Tom qab lub raj xa dej tau teeb tsa, lub hauv paus ntawm cov yeeb nkab xov yuav tsum muaj 2-3 nthuav tawm xov. Cov hlau hemp ntau dhau yuav tsum tau muab ntxuav thiab qhov saum npoo ntawm txheej txheej galvanized thiab cov xov xov raug puas thaum lub sij hawm threading yuav tsum tau kho nrog kev tiv thaiv corrosion.
4) Rau cov kav dej threaded, cov xov yuav tsum huv thiab huv si, thiab cov xov tawg los yog ploj lawm yuav tsum tsis txhob ntau tshaj 10 feem pua ntawm cov xov tooj suav tag nrho;
Kev sib txuas yog ruaj khov; cov xov raug nthuav tawm ntawm lub hauv paus ntawm lub interface yog 2 mus rau 3 nyees khawm, thiab tsis muaj qhov muab tub lim; galvanized txheej ntawm cov yeeb nkab galvanized yuav tsum tau tiv thaiv, thiab lub zos puas yuav tsum tau kho nrog anti-corrosion.
6. Lub raj xa dej hla lub foob pob hluav taws:
Sau cov qhov khoob nrog cov khoom uas tsis yog-combustible. Cov khoom siv rwb thaiv tsev ntawm cov raj xa dej hla ntawm lub qhov hluav taws xob txais yuav cov khoom siv uas tsis yog-combustible.
Hanger installation:
1. Kev them nyiaj yug yeeb nkab thiab hanger installation:
(1) Txoj hauj lwm ntawm lub bracket ruaj yuav tsum yog, thiab cov embedding yuav tsum tiaj tus thiab ruaj khov.
(2) Kev kho lub bracket yuav tsum nyob ze nrog cov kav dej, thiab kev kho yuav tsum ruaj.
2. Riser raj daim npav:
1) Qhov siab ntawm hauv pem teb yog tsawg dua los yog sib npaug li 5m, thiab ib qho yuav tsum tau nruab rau hauv txhua lub tsev.
2) Qhov siab ntawm hauv pem teb yog ntau dua 5m, thiab txhua lub tsev yuav tsum tsis pub tsawg tshaj 2.
3. Qhov sib nrug ntawm qhov kev txhawb nqa thiab cov hangers ntawm cov kav dej kab rov tav rau cov dej thiab cov dej ntws:
4. Kev them nyiaj yug thiab hanger ntawm cov yeeb nkab tsuag:
Thaum qhov sib nrug ntawm lub nozzle tsawg dua lossis sib npaug li 3.6m, teem ib qho. Thaum qhov sib nrug ntawm lub nozzle tsawg dua 1.8m, lub sijhawm sib txawv yog teem.
Qhov kev ncua deb ntawm qhov kev txhawb nqa thiab hanger thiab lub sprinkler yog ntau dua los yog sib npaug rau 300mm, thiab qhov kev ncua deb ntawm kev txhawb nqa thiab lub hanger los ntawm qhov kawg sprinkler yog tsawg dua los yog sib npaug rau 750mm.
5. Kev tiv thaiv hluav taws thiab cov dej xau thiab cov dej pov tseg:
(1) Cov khoom siv rwb thaiv tsev: polyurethane ua npuas ncauj roj hmab thiab yas (B1 qib) rwb thaiv tsev, npog nrog cov ntaub iav uas tsis yog-combustible thiab puas aluminium foil ya raws-pov thawj txheej. Thiab cov txheej txheem dej noo yog qhwv nrog aluminium alloy daim ntawv tiv thaiv txheej (thaum cov yeeb nkab txoj kab uas hla yog ntau dua DN100, lub thickness yog 0.6 hli; thaum cov yeeb nkab txoj kab uas hla yog tsawg dua los yog sib npaug. rau DN100, thickness yog 0.5mm).
(2) Antifreeze thiab tshav kub preservation (thickness 50mm): nyob rau hauv lub ru tsev tank chav tsev thiab underground ib feem (lub tsev cov kav dej, hluav taws kub hydrant yeeb nkab, tshuaj tsuag qhuav yeeb nkab).
(3) Kev tiv thaiv condensation thiab kev txuag hluav taws xob (thickness 10mm): cov kav dej thiab cov kav dej raug tshem tawm hauv lwm qhov chaw; cov kav dej thiab cov kav dej nag hauv cov kav dej.
(4) Thermal rwb thaiv tsev (thickness 30mm): cov yeeb nkab dej kub, cua sov exchanger (cov txheej txheem tiv thaiv yog ua los ntawm galvanized steel phaj), tshav kub exchanger, circulating twj tso kua mis, sub-catchment.
(5) Cov kav dej tua hluav taws thiab cov kav dej hauv tsev nyob rau hauv thawj thiab thib ob pem teb ntawm lub hauv paus yuav tsum tau insulated los ntawm hluav taws xob cua sov tracing. Cov hluav taws xob cua sov tracing system yuav tsum tau tsim nyob rau hauv kev taw qhia ntawm cov chaw tsim khoom; kev coj ua yog nruj me ntsis raws li "Pipeline thiab Equipment Rwb thaiv tsev, Anti-Condensation thiab hluav taws xob cua sov" 03S401 rau antifreeze rwb thaiv tsev.
