Kev kub siab dej pos huab system
Taw qhia
Txoj Cai Dej Mist
Dej Mist yog txhais nyob rau hauv NFPA 750 raws li cov tshuaj tsuag dej uas tus Dv0.99 ib, rau qhov ntws-hnyav cumulative volumetric faib ntawm cov tee dej, yog tsawg dua 1000 microns ntawm qhov tsawg kawg nkaus tsim kev khiav hauj lwm siab ntawm cov dej pos huab nozzle. Cov dej pos huab ua haujlwm ntawm lub siab-siab kom xa dej raws li qhov zoo atomised pos huab. Qhov no pos huab tau hloov pauv sai sai rau hauv chav uas ua rau hluav taws kub thiab tiv thaiv kom tsis txhob muaj oxygen ntxiv mus. Nyob rau tib lub sijhawm, evaporation tsim kom muaj qhov txias txias.
Dej muaj cov khoom siv hluav taws xob zoo heev absorbing 378 KJ / Kg. thiab 2257 KJ/Kg. hloov mus rau chav, ntxiv rau kwv yees li 1700: 1 nthuav dav hauv kev ua li ntawd. Txhawm rau siv cov khoom no, thaj tsam ntawm cov dej ntws yuav tsum tau ua kom zoo dua qub thiab lawv lub sijhawm hla (ua ntej tsoo qhov chaw) maximised. Ua li no, kev tua hluav taws ntawm qhov chaw nplaim hluav taws tuaj yeem ua tiav los ntawm kev sib xyaw ua ke
1.Thaum tshav kub kub rho tawm ntawm hluav taws thiab roj
2.Oxygen txo los ntawm chav smothering ntawm nplaim taws pem hauv ntej
3.Blocking ntawm radiant tshav kub hloov
4.Cua txias ntawm combustion gases
Rau hluav taws kom muaj sia nyob, nws tso siab rau peb lub ntsiab lus ntawm 'daim duab peb sab hluav taws': oxygen, cua sov thiab cov khoom siv hluav taws xob. Kev tshem tawm ib qho ntawm cov ntsiab lus no yuav tua hluav taws. Ib lub tshuab nqus dej siab siab mus ntxiv. Nws tawm tsam ob lub ntsiab lus ntawm daim duab peb sab hluav taws: oxygen thiab cua sov.
Cov tee dej me me hauv lub tshuab nqus dej siab nrawm nrawm nqus lub zog ntau heev uas cov tee evaporate thiab hloov los ntawm dej mus rau chav, vim tias thaj chaw siab siab txheeb ze rau cov dej me me. Qhov no txhais tau hais tias txhua lub tee dej yuav nthuav dav li ntawm 1700 lub sijhawm, thaum mus ze rau cov khoom siv hluav taws xob, uas cov pa oxygen thiab cov roj hluav taws xob yuav raug tshem tawm ntawm qhov hluav taws kub, txhais tau hais tias cov txheej txheem combusting yuav nce tsis muaj oxygen.
Txhawm rau tua hluav taws, ib qho kev siv tshuaj tua kab mob kis tau cov tee dej hla ib qho chaw, uas nqus cua sov kom txias hauv chav. Vim lawv qhov loj me thiab qhov me me, qhov tseem ceeb ntawm cov tee dej yuav tsis nqus lub zog txaus kom evaporate, thiab lawv sai sai poob rau hauv pem teb li dej. Qhov tshwm sim yog qhov ua kom txias txias.
Los ntawm qhov sib txawv, cov dej tsis muaj zog siab muaj cov tee me me, uas poob qis dua. Cov dej pos huab muaj qhov loj ntawm thaj chaw txheeb ze rau lawv cov huab hwm coj thiab, thaum lawv qhov qis qis qis rau hauv pem teb, lawv nqus tau ntau lub zog. Cov dej ntau npaum li cas yuav ua raws li txoj kab saturation thiab evaporate, txhais tau hais tias cov dej pos huab absorbs ntau lub zog los ntawm ib puag ncig thiab yog li hluav taws.
Tias yog vim li cas cov dej tsis zoo ntawm cov dej txias txias ntau dua rau ib liter dej: txog li xya zaus zoo dua tuaj yeem tau txais nrog ib liter dej siv hauv cov txheej txheem ib txwm siv.
Taw qhia
Txoj Cai Dej Mist
Dej Mist yog txhais nyob rau hauv NFPA 750 raws li cov tshuaj tsuag dej uas tus Dv0.99 ib, rau qhov ntws-hnyav cumulative volumetric faib ntawm cov tee dej, yog tsawg dua 1000 microns ntawm qhov tsawg kawg nkaus tsim kev khiav hauj lwm siab ntawm cov dej pos huab nozzle. Cov dej pos huab ua haujlwm ntawm lub siab-siab kom xa dej raws li qhov zoo atomised pos huab. Qhov no pos huab tau hloov pauv sai sai rau hauv chav uas ua rau hluav taws kub thiab tiv thaiv kom tsis txhob muaj oxygen ntxiv mus. Nyob rau tib lub sijhawm, evaporation tsim kom muaj qhov txias txias.
Dej muaj cov khoom siv hluav taws xob zoo heev absorbing 378 KJ / Kg. thiab 2257 KJ/Kg. hloov mus rau chav, ntxiv rau kwv yees li 1700: 1 nthuav dav hauv kev ua li ntawd. Txhawm rau siv cov khoom no, thaj tsam ntawm cov dej ntws yuav tsum tau ua kom zoo dua qub thiab lawv lub sijhawm hla (ua ntej tsoo qhov chaw) maximised. Ua li no, kev tua hluav taws ntawm qhov chaw nplaim hluav taws tuaj yeem ua tiav los ntawm kev sib xyaw ua ke
1.Thaum tshav kub kub rho tawm ntawm hluav taws thiab roj
2.Oxygen txo los ntawm chav smothering ntawm nplaim taws pem hauv ntej
3.Blocking ntawm radiant tshav kub hloov
4.Cua txias ntawm combustion gases
Rau hluav taws kom muaj sia nyob, nws tso siab rau peb lub ntsiab lus ntawm 'daim duab peb sab hluav taws': oxygen, cua sov thiab cov khoom siv hluav taws xob. Kev tshem tawm ib qho ntawm cov ntsiab lus no yuav tua hluav taws. Ib lub tshuab nqus dej siab siab mus ntxiv. Nws tawm tsam ob lub ntsiab lus ntawm daim duab peb sab hluav taws: oxygen thiab cua sov.
Cov tee dej me me hauv lub tshuab nqus dej siab nrawm nrawm nqus lub zog ntau heev uas cov tee evaporate thiab hloov los ntawm dej mus rau chav, vim tias thaj chaw siab siab txheeb ze rau cov dej me me. Qhov no txhais tau hais tias txhua lub tee dej yuav nthuav dav li ntawm 1700 lub sijhawm, thaum mus ze rau cov khoom siv hluav taws xob, uas cov pa oxygen thiab cov roj hluav taws xob yuav raug tshem tawm ntawm qhov hluav taws kub, txhais tau hais tias cov txheej txheem combusting yuav nce tsis muaj oxygen.
Txhawm rau tua hluav taws, ib qho kev siv tshuaj tua kab mob kis tau cov tee dej hla ib qho chaw, uas nqus cua sov kom txias hauv chav. Vim lawv qhov loj me thiab qhov me me, qhov tseem ceeb ntawm cov tee dej yuav tsis nqus lub zog txaus kom evaporate, thiab lawv sai sai poob rau hauv pem teb li dej. Qhov tshwm sim yog qhov ua kom txias txias.
Los ntawm qhov sib txawv, cov dej tsis muaj zog siab muaj cov tee me me, uas poob qis dua. Cov dej pos huab muaj qhov loj ntawm thaj chaw txheeb ze rau lawv cov huab hwm coj thiab, thaum lawv qhov qis qis qis rau hauv pem teb, lawv nqus tau ntau lub zog. Cov dej ntau npaum li cas yuav ua raws li txoj kab saturation thiab evaporate, txhais tau hais tias cov dej pos huab absorbs ntau lub zog los ntawm ib puag ncig thiab yog li hluav taws.
Tias yog vim li cas cov dej tsis zoo ntawm cov dej txias txias ntau dua rau ib liter dej: txog li xya zaus zoo dua tuaj yeem tau txais nrog ib liter dej siv hauv cov txheej txheem ib txwm siv.
1.3 High Pressure Water Mist System Taw qhia
Kev kub siab dej pos huab system yog qhov tshwj xeeb tua hluav taws. Dej raug yuam los ntawm micro nozzles ntawm qhov siab heev los tsim cov dej pos huab nrog qhov zoo tshaj plaws kev tua hluav taws poob loj faib. Cov teebmeem tua hluav taws xob muab kev tiv thaiv zoo tshaj plaws los ntawm kev ua kom txias, vim yog cua sov nqus, thiab inerting vim qhov nthuav dav ntawm cov dej los ntawm kwv yees li 1,700 zaug thaum nws evaporates.
1.3.1 Cov ntsiab lus tseem ceeb
Tshwj xeeb-tsim cov dej pos huab nozzles
Lub siab siab dej pos huab nozzles yog ua raws li cov txheej txheem ntawm cov cim Micro nozzles. Vim lawv daim ntawv tshwj xeeb, cov dej tau txais cov lus tsa suab muaj zog nyob rau hauv lub viav vias chamber thiab hloov pauv sai heev rau hauv cov dej pos huab uas yog jetted rau hauv qhov hluav taws kub ceev. Lub kaum ntse ntse loj thiab cov qauv tshuaj tsuag ntawm micro nozzles pab kom muaj qhov sib txawv siab.
Cov tee dej tsim nyob rau hauv lub taub hau nozzle yog tsim los ntawm 100-120 bars ntawm siab.
Tom qab kev ntsuas hluav taws kub hnyav ntxiv nrog rau kev ntsuas cov khoom siv thiab cov khoom siv, cov nozzles tshwj xeeb yog tsim rau cov dej tsis muaj zog. Txhua qhov kev ntsuam xyuas yog ua los ntawm cov chaw soj ntsuam ywj pheej kom txawm tias qhov kev thov nruj heev rau cov ntug dej hiav txwv tau ua tiav.
Pump tsim
Kev tshawb fawb hnyav tau coj mus rau kev tsim lub ntiaj teb lub teeb tshaj plaws thiab cov twj tso kua mis siab tshaj plaws. Cov twj tso kua mis yog cov twj tso kua mis ntau-axial piston ua los ntawm corrosion resistant stainless hlau. Cov qauv tsim tshwj xeeb siv dej ua cov roj nplua nyeem, txhais tau hais tias kev pabcuam niaj hnub thiab hloov cov roj lubricants tsis xav tau. Lub twj tso kua mis muaj kev tiv thaiv los ntawm thoob ntiaj teb patents thiab tau siv dav hauv ntau qhov sib txawv. Cov twj tso kua mis muaj txog li 95% kev ua haujlwm ntawm lub zog thiab lub zog qis heev, yog li txo cov suab nrov.
Siab corrosion-pov thawj li qub
High-pressure li qub yog tsim los ntawm cov hlau tsis muaj steel thiab muaj corrosion-proof thiab av resistant. Lub manifold thaiv tsim ua rau cov li qub compact heev, uas ua rau lawv yooj yim heev rau nruab thiab khiav lag luam.
1.3.2 Cov txiaj ntsig ntawm kev kub siab dej pos huab system
Cov txiaj ntsig ntawm kev kub siab dej pos huab system yog qhov loj heev. Tswj / tso tawm hluav taws hauv vib nas this, tsis tas siv cov tshuaj ntxiv thiab nrog kev siv dej tsawg thiab ze kom tsis muaj dej puas tsuaj, nws yog ib qho ntawm cov khoom siv hluav taws xob zoo tshaj plaws thiab muaj txiaj ntsig zoo, thiab muaj kev nyab xeeb rau tib neeg.
Kev siv dej tsawg kawg nkaus
• Kev puas tsuaj dej tsawg
• Kev puas tsuaj tsawg kawg yog qhov tshwm sim tsis zoo ntawm kev ua kom yuam kev
• Tsawg xav tau rau lub kaw lus ua ntej ua ntej
• Ib qho txiaj ntsig uas muaj kev lav phib xaub kom ntes dej
• Tsis tshua xav tau ib lub reservoir
• Kev tiv thaiv hauv zos muab kev tua hluav taws sai dua rau koj
• Tsawg downtime vim hluav taws kub thiab dej tsis zoo
• Txo txoj kev pheej hmoo ntawm kev poob lag luam, vim tias kev tsim khoom tau nrawm dua thiab rov ua dua
• Ua tau zoo – kuj rau kev tua hluav taws kub
• Txo cov nqi dej los yog se
Cov kav hlau stainless me me
• Yooj yim rau nruab
• Yooj yim los tuav
• Kev tu tsis pub dawb
• Tsim kom txaus nyiam rau kev koom ua ke yooj yim dua
• Zoo heev
• Ua haujlwm siab
• Nqi-zoo ntawm cov khoom ua haujlwm
• Nias haum rau kev teeb tsa sai
• Yooj yim nrhiav chaw rau cov kav dej
• Yooj yim rau retrofit
• Yooj yim khoov
• Ob peb fittings xav tau
Nozzles
• Kev muaj peev xwm ua kom txias ua rau kev teeb tsa ntawm lub qhov rais iav hauv qhov rooj hluav taws
• Qhov sib txawv siab
• Ob peb nozzles – architecturally txaus nyiam
• Ua kom txias txias
• Qhov rai cua txias – pab kom yuav cov iav pheej yig dua
• Lub sij hawm installation luv
• Tsim kom zoo nkauj
1.3.3 Cov qauv
1. NFPA 750 – edition 2010
2 SYSTEM piav qhia thiab cov khoom
2.1 Taw qhia
Lub HPWM system yuav muaj ntau lub nozzles txuas los ntawm cov kav dej stainless hlau mus rau qhov dej siab siab (tswj units).
2.2 Nozzles
HPWM nozzles yog precision engineered li, tsim nyob rau hauv daim ntawv thov system kom xa cov dej pos huab nyob rau hauv ib daim ntawv uas ua kom muaj hluav taws kub tua, tswj los yog tua.
2.3 Seem li qub - Qhib nozzle system
Section li qub yog muab rau cov dej phwj hluav taws tua hluav taws nyob rau hauv thiaj li yuav cais cov hluav taws kub ib leeg.
Tshooj li qub uas tsim los ntawm cov hlau tsis muaj steel rau txhua qhov kev tiv thaiv yog muab rau kev teeb tsa rau hauv cov yeeb nkab. Cov seem valve feem ntau kaw thiab qhib thaum tua hluav taws ua haujlwm.
Ib seem valve kev npaj yuav muab ua ke ua ke ntawm ib qho kev sib koom ua ke, thiab tom qab ntawd tus neeg kav dej mus rau cov nozzles raug teeb tsa. Cov seem li qub kuj tseem tuaj yeem muab xoob rau kev teeb tsa rau hauv cov yeeb nkab hauv qhov chaw tsim nyog.
Cov seem li qub yuav tsum nyob sab nraum cov chav tiv thaiv yog tias tsis yog lwm tus tau raug txiav txim los ntawm cov qauv, cov cai hauv tebchaws lossis cov cai.
Qhov seem li qub sizing yog nyob ntawm txhua qhov ntawm tus kheej ntu tsim peev xwm.
Lub kaw lus seem li qub yog muab los ua hluav taws xob ua haujlwm valve. Motorized ua haujlwm seem li qub feem ntau xav tau 230 VAC teeb liab rau kev ua haujlwm.
Lub valve yog pre-assembled nrog rau lub siab hloov thiab cais li qub. Cov kev xaiv los saib xyuas cov kev sib cais li qub kuj muaj nrog rau lwm yam sib txawv.
2.4Pumpchav tsev
Lub twj tso kua mis yuav raug ua haujlwm ntawm 100 bar thiab 140 bar nrog tib lub twj tso kua mis ntws tus nqi li 100l / min. Lub tshuab twj tso kua mis tuaj yeem siv ib lossis ntau lub twj tso kua mis txuas nrog los ntawm ib qho manifold rau cov dej pos huab kom ua tau raws li qhov yuav tsum tau ua.
2.4.1 Cov twj siv hluav taws xob
Thaum lub kaw lus qhib, tsuas yog ib lub twj tso kua mis yuav pib. Rau cov tshuab siv ntau tshaj ib lub twj tso kua mis, lub twj tso kua mis yuav pib ua ntu zus. Yog tias qhov ntws nce vim qhov qhib ntawm ntau lub nozzles; lub twj tso kua mis ntxiv yuav pib pib. Tsuas yog muaj ntau lub twj tso kua mis raws li qhov tsim nyog los ua kom cov dej ntws thiab kev khiav hauj lwm siab tas li nrog cov qauv tsim yuav ua haujlwm. Lub tshuab hluav taws xob kub siab tseem tseem ua haujlwm kom txog thaum cov neeg ua haujlwm tsim nyog lossis lub chaw tua hluav taws tau kaw lub kaw lus.
Standard twj tso kua mis
Lub twj tso kua mis yog ib qho sib xyaw ua ke skid mounted pob ua los ntawm cov hauv qab no sib dhos:
| Lim chav tsev | Buffer tank (Nyob ntawm qhov nkag siab thiab twj tso kua mis hom) |
| Tank overflow thiab qib ntsuas | Tank inlet |
| Cov yeeb nkab xa rov qab (yuav muaj txiaj ntsig tau coj mus rau qhov hluav taws xob) | Inlet manifold |
| Suction kab manifold | HP Pump Unit(s) |
| Electric tsav (s) | Siab manifold |
| Pilot twj | Tswj vaj huam sib luag |
2.4.2Pump unit vaj huam sib luag
Lub cev muaj zog pib tswj vaj huam sib luag yog raws li tus qauv mounted ntawm lub twj tso kua mis.
Fais fab mov raws li tus qauv: 3x400V, 50 Hz.
Lub twj tso kua mis yog ncaj qha rau ntawm kab pib raws li tus qauv. Pib-delta pib, pib muag muag thiab zaus hloov pauv pib tuaj yeem muab tau raws li kev xaiv yog tias xav tau txo qhov pib tam sim no.
Yog tias lub twj tso kua mis muaj ntau tshaj ib lub twj tso kua mis, lub sij hawm tswj kom maj mam sib txuas ntawm cov twj tso kua mis tau qhia kom tau txais qhov tsawg kawg nkaus ntawm kev pib load.
Kev tswj vaj huam sib luag muaj RAL 7032 tus qauv tiav nrog kev tiv thaiv ingress ntawm IP54.
Pib ntawm cov twj tso kua mis yog ua tiav raws li hauv qab no:
Qhuav tshuab- Los ntawm lub teeb liab tsis muaj hluav taws xob tiv tauj tau muab rau ntawm lub tshuab hluav taws xob tiv thaiv hluav taws xob.
Cov tshuab ntub dej - Los ntawm kev poob siab hauv qhov system, saib xyuas los ntawm lub twj tso kua mis lub cev muaj zog tswj vaj huam sib luag.
Pre-action system - Xav tau cov lus qhia los ntawm ob qho tib si poob hauv huab cua hauv qhov system thiab lub teeb liab tsis muaj hluav taws xob tiv tauj tau muab rau ntawm qhov hluav taws xob hluav taws xob tswj vaj huam sib luag.
2.5Cov ntaub ntawv, rooj thiab kos duab
2.5.1 Nozzle
Kev saib xyuas tshwj xeeb yuav tsum tau ua kom tsis txhob muaj kev cuam tshuam thaum tsim cov dej pos huab, tshwj xeeb tshaj yog thaum siv cov dej ntws tsawg, cov dej me me nozzles vim lawv qhov kev ua tau zoo yuav cuam tshuam los ntawm kev cuam tshuam. Qhov no feem ntau yog vim tias qhov flux ntom ntom tau ua tiav (nrog cov nozzles) los ntawm huab cua turbulent nyob rau hauv chav tsev tso cai rau cov huab cua kis tusyees nyob rau hauv qhov chaw - yog hais tias muaj kev cuam tshuam nyob rau hauv lub pos huab yuav tsis muaj peev xwm mus cuag nws flux ceev nyob rau hauv lub chav tsev. raws li nws yuav tig mus rau hauv cov tee loj dua thaum nws condenses ntawm qhov cuam tshuam thiab drip es tsis sib kis tusyees hauv qhov chaw.
Qhov luaj li cas thiab qhov deb ntawm kev thaiv yog nyob ntawm hom nozzle. Cov ntaub ntawv tuaj yeem nrhiav tau ntawm cov ntawv teev lus rau qhov tshwj xeeb nozzle.
Fig 2.1 Nozzle
2.5.2 Pump unit
| Hom | Tso zis l/min | Hwj chim KW | Standard twj tso kua mis nrog tswj vaj huam sib luag L x W x H mm | Oulet mm | Pump unit hnyav kg ib kb |
| XSWB 100/12 | 100 | 30 | Xyoo 1960×430×1600 | Ø 42 | 1200 |
| XSWB 200/12 | 200 | 60 | 2 360×8 30×1600 | Ø 42 | 1380 |
| XSWB 300/12 | 300 | 90 | 2 360×8 30×1800 | Ø 42 | 1560 |
| XSWB 400/12 | 400 | 120 | 2760 ib×1120×Xyoo 1950 | Ø 60 | 1800 |
| XSWB 500/12 | 500 | 150 | 2760 ib×1120×Xyoo 1950 | Ø 60 | Xyoo 1980 |
| XSWB 600/12 | 600 | 180 | ib 3160×1230×Xyoo 1950 | Ø 60 | 2160 |
| XSWB 700/12 | 700 | 210 | ib 3160×1230×Xyoo 1950 | Ø 60 | 2340 ib |
Lub hwj chim: 3 x 400VAC 50Hz 1480 rpm.
Daim duab 2.2 Pump Unit
2.5.3 Txheem valve sib dhos
Standard valve sib dhos yog qhia hauv qab no daim duab 3.3.
Qhov kev sib dhos valve no tau pom zoo rau ntau ntu tshuab pub los ntawm tib cov dej. Qhov kev teeb tsa no yuav tso cai rau lwm ntu kom nyob twj ywm thaum kev saib xyuas yog nqa tawm ntawm ib ntu.
Fig 2.3 - Standard seem valve los ua ke - Cov Yeeb Nkab Qhuav nrog Qhib Nozzles
