由喷头工作压力引发的思考
Thinking From Working Pressure Of Sprinklers
╢ Ё 䰙䆒䅵乒䯂 䰤
Ğ !!! ğ
γ w Վ x*% ď ͑Đԅ Շē ճ Ц Վ c ē Ϣ ԅ 03Dē Ӗ ϣ ē Ϣ Ԥ҉ ԅ էӒϢӾ ԅ Շē ѻ Շ ԅ Ԏ d
Abstract
Bddpsejoh!up!uif!sfhvmbujpo!pg!!fyjtujoh!tuboebset!!ĐDpef!pg!eftjho!gps!tqsjolmfs!tztufnt!HC!61195.3112đ!!dbmdvmbufe!!boe!!bobmz{fe!!uif!tqsjolmfs!tztufn!gps!uif!ebohfspvt!mfwfm-!boe!gpvoe!uibu!uif!nptu!vogbwpsbcmf!xpsljoh!qsfttvsf!pg!uif!tqsjolmfs!up!ublf!1/16Nqb-!Trvbsf!nbyjnvn!tqbdjoh!bssbohfnfou!pg!uif!tqsjolmfs-!uif!xbufs!efotjuz!pg!!uif!nptu!!vogbwpsbcmf!!qpjou!!bu!!gpvs!!tqsjolmfs!bsfb!!xijdi!jt!vq!up!mftt!uibo!opsnt-!Jo!uijt!qbqfs-!xf!ibwf!qspqptfe!uif!njojnvn!xpsljoh!qsfttvsf!boe!tqbdjoh!pg!tqsjolmfs!nffu!uif!tuboebset/
∈ ǃ ǃ䯈䎱ǃḐ 乊
Key words: Water density, Working pressure, Spacing, Grille ceiling
lj㞾 ∈♁☿㋏㒳䆒䅵㾘㣗NJ˄*% ˅ ⠜˄ҹϟㅔ⿄lj 㾘NJ˅Ё 㾘 њϡ ☿ 䰽ㄝ㑻ⱘ ∈ ǃ⫼䴶⿃ǃ ぎ催 ㋏㒳 ϡ ⚍ ⱘ ㄝ䆒䅵 ˈ 㾘 њϡ ∈ 㕂 ⢊ 䯈䎱ǃϔ ⱘ 䴶⿃ㄝ䆒䅵 ˈ 㾘 њ䕏 䰽㑻 Ё 䰽㑻 ϡ 䜡∈ ㅵǃ䜡∈ㅵㅵ ⱘ ㄝDŽ 㞾 ∈♁☿㋏㒳˄ҹϟㅔ⿄Ā㞾 ㋏㒳ā˅䆒䅵 ˈ Ϟ ձ Ϟ䗄 㾘 䖯㸠ⱘˈ ѢⳂ 㾕ⱘ⇥⫼ ㄥ㞾 ㋏㒳䆒䅵 㾕㸼 ˖
ϟ䴶ḍ 㸼 ⱘ䆒䅵 ˈ Ё 䰽㑻 ⱘ㞾 ㋏㒳䖯㸠䅵ㅫ ˈⳟⳟӮѻ⫳ҔМḋⱘ㒧 DŽ
Ă Ư
2! ք
Ўㅔ 䅵ㅫˈ ℷ 㕂ˈ 䯈䎱 Pˈ㾕 DŽ
3!
lj 㾘NJ 䅵ㅫ⹂ ˈ Ё㰮㒓 ⼎
ⱘ㣗 ˈ⫼䴶⿃ ⱘ 䞣 ˈ
25!!
䰙⫼䴶⿃ ˖ h h P ˈヺ lj 㾘NJ ⱘ㾘 DŽ
4!
lj 㾘NJ ⹂ DŽ5!
ḍ lj 㾘NJ ǃ ǃ ǃ ǃ 䅵ㅫˈㅵ䘧ⱘ 䚼∈ 䞣䭓 ⊩䅵ㅫˈ ϡ ⚍ ⱘ 03Dˈ䅵ㅫ㒧 ˖⫼䴶⿃ 䆒䅵⌕䞣˄䅵ㅫㅵ↉ ̚ ˅Ў / Vˈ䅵ㅫ䖛㾕㸼 ˗
!!26
䖭䞠䳔㽕䇈 ⱘ ˖ķㅵӊⱘ 䞣䭓 lj 㾘NJ䰘 &䗝 ˈϝ䗮ǃ 䗮Ⳉ ⌕ⱘ 䞣䭓 ջ ⌕ⱘ > @˗ĸ㡖⚍ ㅵӊⱘ 䞣䭓 䅵 ϟ␌䅵ㅫㅵ↉˗Ĺ ∈ ㅵ䖲 ⱘオ ⷁㅵ䭓 ⬹ϡ䅵˗ĺ㞾 ㋏㒳 催 ϔ㟈䆒䅵DŽ
6!
lj 㾘NJ 㾘 ˖㋏㒳䆒䅵⌕䞣ⱘ䅵ㅫˈ 䆕ӏ ⫼䴶⿃ ⱘ ∈ ϡԢѢ 㾘㣗㸼 㸼 ̚㸼 ⱘ㾘 DŽ ϡ ⚍ ⫼䴶⿃ ӏ 㣗 ⱘ ∈ ˈ䕏 䰽㑻ǃЁ 䰽㑻ϡ ԢѢ 㾘㣗㸼 㾘 ⱘ ˗Ϲ䞡 䰽㑻 ҧ 䰽㑻ϡ ԢѢ 㾘㣗㸼 㸼 ̚㸼 ⱘ㾘 DŽ
ϟ䴶䩜 㾘 ⱘ㞾 ㋏㒳䆒䅵䖯㸠 ˖
˄ ˅⫼䴶⿃ⱘ ∈
ḍ 㸼 ⱘ∈ 䅵ㅫˈ⫼䴶⿃ ⱘ䆒䅵⌕䞣Ў / Vˈ⫼䴶⿃Ў P ˈ ∈ ˖
19.67 168.48
× 60 / PLQ Pˈ ѢЁ 䰽ĉ㑻ⱘ ∈
/ PLQ P
ˈヺ 㾘 DŽ
˄ ˅ӏ 㣗 ⱘ ∈ 䖭ӏ Ё㡖⚍ ǃ ǃ ǃ ⱘ ˈҢ㸼 Ё ⶹ䖭 ⱘ⌕䞣 / Vǃ / Vǃ / Vǃ / Vˈ 䴶⿃ h h P ˈ ∈ ˖
/ PLQ P0.94+1.14+0.95+1.15
51.84
×60
ˈ Ѣlj 㾘NJ
㸼 㾘 ⱘ ˈ h / PLQ P ˈϡヺ 㾘 DŽ
ϸϾ˖ϔ Ԣˈ䗴 ∈䞣 ˈѠ 䯈䎱 ˈⳌ 䴶⿃ ˈϸ㗙 㟈 ϡ ⚍ 㣗 ⱘ ∈ ԢѢlj 㾘NJ ⱘ㾘 DŽ
7!
˄ ˅
㕂㾕 ˈ 䯈䎱ϡ ˈ Pˈ䗮䖛
27!!
䆩ㅫ˄ ㆛ 䰤 ˈⳕ⬹䅵ㅫ䖛ˈϟ ˅ˈ䗤⏤ ϡ ⚍ ⱘ 㟇 03Dˈ䅵ㅫ㒧 ˖⫼䴶⿃ ⱘ䆒䅵⌕䞣Ў / Vˈ⫼䴶⿃Ў
P ˈ ∈ ˖ / PLQ P20.81
168.48
×60
ˈ
ѢЁ 䰽ĉ㑻ⱘ ∈ / PLQ P ˈヺ 㾘 ˗䖭ӏ ҡ Ё㡖⚍ ǃ ǃ ǃ ⱘ ˈ䖭 ⱘ⌕䞣 / Vǃ / Vǃ / Vǃ / Vˈ 䴶⿃ h h P ˈ
∈ ˖ / PLQ P1.00+1.21+1.00+1.22
51.84
×60 ˈ Ѣlj 㾘NJ㸼 㾘 ⱘ ˈ h / PLQ P ˈヺ 㾘 DŽ
˄ ˅ 䯈䎱
㕂㾕 ˈ ϡ ⚍ ϡ ˈҡЎ 03Dˈ䗮䖛䆩ㅫˈ䗤⏤ 䯈䎱㟇 Pˈ⊼ ˈ 䯈䎱 ˈ⫼䴶⿃䱣П䇗 ˈ㾕 Ё㰮㒓 ⼎ⱘ㣗 ˈ䅵ㅫ㒧 ˖⫼䴶⿃ ⱘ䆒䅵⌕䞣Ў / Vˈ⫼䴶⿃Ў h h P ˈ ∈
˖ / PLQ P20.68
171.5
×60
ˈ ѢЁ 䰽ĉ㑻ⱘ ∈
/ PLQ P ˈヺ 㾘 ˗䖭ӏ Ё㡖⚍ ǃ ǃ ǃ ⱘ ˈ䖭 ⱘ⌕䞣 / Vǃ / Vǃ / Vǃ / Vˈ 䴶⿃ h h P ˈ ∈ ˖
0.94 +1.14 +0.95+1.15
49
× 60
/ PLQ P ˈ Ѣlj 㾘NJ㸼 㾘 ⱘ ˈ h / PLQ P ˈヺ 㾘 DŽ
8!
Ё 䰽ĉ㑻 㞾 ㋏㒳∈ 䅵ㅫⱘ㒧 ∛ Ѣ㸼 DŽ
Ң㸼 Ёヺ lj 㾘NJⱘ㒧 ⳟˈ ⱘ Փ ⫼䴶⿃㣗 䖒 њ 03Dˈ 䖥 03DDŽ㗗㰥Ң⫼䴶⿃㟇 ∈ゟㅵ 㞾 ㅵ䘧ⱘ䰏 ˈ㞾 ㅵⱘ 䍙䖛 03Dˈ 㞾 ㋏㒳ⱘ 㞾 ⋉ⱘ ˈ㞾㋏㒳ㅵ 䯔䮼ⱘ Ӯ 催DŽ㾷 ℸ䯂乬ⱘ ⊩ ϝ˖佪 㓽 䯈䎱˗ 䯈䎱ϡ ˈ ㅵ ˈ䞡⚍ ∈ ⱘㅵ↉˗ 䯈䎱ǃㅵ ϡ ˈ䇗 Ϣㅵ䘧ⱘ䖲 ˈ ⼎DŽ
⦄ 䖲 ⱘЁ 䰽ĉ㑻 㞾 ㋏㒳∈
䅵ㅫⱘ㒧 ∛ Ѣ㸼 DŽ
Ă ư
㕂
ḋЎㅔ 䅵ㅫˈ ℷ 㕂ˈ 䯈䎱 Pˈ㾕 ǃ DŽ
⫼䴶⿃ǃㅵ 䅵ㅫ ⊩ Ё 䰽ĉ㑻ˈ䅵ㅫ㒧 ∛ 㾕㸼 DŽ
㒧
˄ ˅ ϡ ⚍ ⱘ 03Dˈ 䯈䎱 P ˈ⫼䴶⿃ ⱘ䆒䅵⌕䞣Ў / Vˈ⫼䴶⿃Ў h h P ˈ ∈ ˖
!!28
20.52161.84
×60
/ PLQ P ˈ ѢЁ 䰽Ċ㑻ⱘ ∈ / PLQ P ˈϡヺ 㾘 ˗ӏ Ё㡖⚍ ǃ ǃ ǃ ⱘ ˈ䖭 ⱘ⌕䞣 / Vǃ / Vǃ / Vǃ / Vˈ 䴶⿃ h h P ˈ ∈ ˖
/ PLQ P0.94+1.14+0.95+1.14
46.24
×60 ˈ Ѣlj 㾘NJ
㸼 㾘 ⱘ ˈ h / PLQ P ˈ ḋϡヺ 㾘 DŽ
˄ ˅ ϡ ⚍ ⱘ 㟇 03Dˈ 䯈䎱ҡ P ˈ⫼䴶⿃ ⱘ䆒䅵⌕䞣Ў / Vˈ⫼䴶⿃Ў h h P ˈ ∈ ˖ 25.95
161.84 × 60 / PLQ P ˈ ѢЁ 䰽Ċ㑻ⱘ ∈
/ PLQ P ˈヺ 㾘 ˗ӏ Ё㡖⚍ ǃ ǃ ǃ ⱘ ˈ䖭 ⱘ⌕䞣 / Vǃ / Vǃ / Vǃ / Vˈ 䴶⿃ h h P ˈ ∈ ˖ 1.19 + 1.44 +1.20 +1.44
46.24 × 60 / PLQ P ˈ Ѣlj 㾘NJ㸼 㾘 ⱘ ˈ h / PLQ P ˈヺ 㾘 DŽ
˄ ˅ ϡ ⚍ ⱘ 03Dˈ 䯈䎱㟇 P ˈ⫼䴶⿃ ⱘ䆒䅵⌕䞣Ў / Vˈ⫼䴶⿃Ў h h P ˈ ∈ ˖
25.55
162 ×60 / PLQ P ˈ ѢЁ 䰽Ċ㑻ⱘ ∈ / PLQ P ˈヺ 㾘 ˗ӏ Ё㡖⚍ ǃ ǃ ǃ ⱘ ˈ䖭 ⱘ⌕䞣 / Vǃ / Vǃ / Vǃ / Vˈ 䴶⿃ h h P ˈ ∈ ˖
0.94 + 1.12 + 0.95 +
1.13
36
× 60 / PLQ P ˈ Ѣlj 㾘NJ㸼
㾘 ⱘ ˈ h / PLQ P ˈヺ 㾘 DŽ
29!!
㒧
Ё 䰽Ċ㑻 㞾 ㋏㒳ヺ lj 㾘NJⱘ㒧 ∛ Ѣ㸼 DŽ
Ң㸼 Ёヺ lj 㾘NJⱘ㒧 ⳟˈ䯂乬ϢЁ 䰽ĉ㑻 ϔḋⱘˈ⫮㟇 さ ˈ㾷 ⱘ Ё 䰽ĉ㑻ⱘϝ⾡ ⊩DŽ
⦄ 䖲 ⱘЁ 䰽Ċ㑻 㞾 ㋏㒳∈ 䅵ㅫⱘ㒧 ∛ Ѣ㸼 DŽ
Ă
Ϟ䗄 Ё 䰽㑻 㞾 ㋏㒳 Ѣ 乊 䗮 乊䖯㸠ⱘˈϔ 䞛⫼㔥Ḑㄝ䗮䗣 乊ˈlj 㾘NJ 㾘 ˖㺙䆒㔥Ḑǃ ㉏䗮䗣 乊ⱘ ˈ㋏㒳ⱘ ∈ 㾘㣗㸼 㾘 ⱘ ⹂ DŽЁ 䰽ĉ㑻ⱘ ∈ h / PLQ P ˈЁ 䰽Ċ㑻ⱘ ∈ h / PLQ P ˈℸ 㢹⒵䎇lj 㾘NJ
ⱘ㾘 ˈ 㒧 ϟ˖
䖲 㾕㸼 DŽ
䖲 㾕㸼 DŽ
Ă
㞾 ㋏㒳 ⱘ ϡ ㅔ
03Dˈ㗠 ḍ ☿ 䰽ㄝ㑻ǃ ∈ ǃ
䴶⿃˄ 䯈䎱˅ㄝ ˈḍ ϡ ⱘ 䖲 ˈ ヺ lj 㾘NJⱘ 㾘 ϟˈ䗮䖛䅵ㅫ⹂ DŽ
㞾 ㋏㒳 ⱘ Ԣ 03Dǃ
ℷ 㕂 ˈ 䯈䎱˖ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑䍙䖛 PˈЁ 䰽Ċ㑻ϡ㛑䍙䖛 Pˈ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑䍙䖛 PˈЁ 䰽Ċ㑻ϡ㛑䍙䖛 P˗ Ё 䰽㑻㞾 ㋏㒳 䯈䎱ℷ 㕂 ˈ ⱘ ˖ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑ԢѢ 03DˈЁ 䰽Ċ㑻ϡ㛑ԢѢ 03D˗ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑ԢѢ 03DˈЁ 䰽Ċ㑻ϡ㛑ԢѢ 03DDŽ
Ѣ䗮䗣 乊 ˈ 㞾 ㋏㒳 ⱘ Ԣ 03Dǃ ℷ 㕂 ˈ 䯈䎱˖ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑䍙䖛 PˈЁ 䰽Ċ㑻ϡ㛑䍙䖛 Pˈ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑䍙䖛 PˈЁ 䰽Ċ㑻ϡ㛑䍙䖛 P˗ Ё 䰽㑻㞾 ㋏㒳 䯈䎱ℷ 㕂 ˈ ⱘ ˖ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑ԢѢ 03DˈЁ 䰽Ċ㑻ϡ㛑ԢѢ 03D˗ ⱘ 䖲 ˈЁ 䰽ĉ㑻ϡ㛑ԢѢ 03DˈЁ 䰽Ċ㑻ϡ㛑ԢѢ 03DDŽ
Ё 䰽㑻 ⱘ㞾 ㋏㒳䌂∈䞣 ⋉⌕䞣 / V䆒䅵Ў DŽ
㗗 ⤂˖
> @ Ё ㄥ 䆒䅵ⷨお䰶ˈ ⇥⫼ ㄥ 䆒䅵 üü㒭∈ ∈ˈ ˈЁ 䅵 ⠜⼒
㗙㘨㋏
䗮䆃 ˖ Ҁ 䰇 ϰ 䏃 䰇 & 䚂㓪˖ ⬉䆱˖
(PDLO \DQJ SHQJ#FFGL FRP FQ
!!2: