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杭州萬泉水處理設備公司

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杭州萬泉變頻恒壓供水設備

人氣:2699 發布時間:2011-12-16 16:01

關鍵詞:變頻供水設備

產品型號:

應用領域:水處理

產品價格:面議

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概述:

該(gai)變(bian)(bian)頻(pin)恒(heng)壓供(gong)(gong)(gong)水(shui)系統(tong)是由最新(xin)性能PID變(bian)(bian)頻(pin)控制柜和(he)2臺(tai)以(yi)上泵并聯組成的尖端加壓供(gong)(gong)(gong)水(shui)設備,能夠(gou)自動調節以(yi)滿足用戶(hu)的恒(heng)壓變(bian)(bian)量供(gong)(gong)(gong)水(shui)要(yao)求。供(gong)(gong)(gong)水(shui)管網壓力保(bao)(bao)持(chi)(chi)(chi)恒(heng)定(ding),整個供(gong)(gong)(gong)水(shui)系統(tong)始終保(bao)(bao)持(chi)(chi)(chi)高效節能的最佳狀態。供(gong)(gong)(gong)水(shui)方式(shi)有變(bian)(bian)頻(pin)供(gong)(gong)(gong)水(shui)和(he)壓力供(gong)(gong)(gong)水(shui)兩種(zhong),變(bian)(bian)頻(pin)供(gong)(gong)(gong)水(shui)是自動調節某臺(tai)水(shui)泵的轉速或多(duo)臺(tai)水(shui)泵投入/退出運行,使供(gong)(gong)(gong)水(shui)管網壓力保(bao)(bao)持(chi)(chi)(chi)恒(heng)定(ding)的理想供(gong)(gong)(gong)水(shui)方式(shi),操作(zuo)簡(jian)單。

工作原理:

變(bian)頻(pin)(pin)恒壓供水系統(tong)采用(yong)一電位器設(she)定壓力(li)(也可采用(yong)面板內部(bu)設(she)定壓力(li)),采用(yong)一個壓力(li)傳感器(反饋為4~20mA)檢測管網中壓力(li),壓力(li)傳感器將信號送入變(bian)頻(pin)(pin)器PID回(hui)(hui)路(lu),PID回(hui)(hui)路(lu)處理之后,送出(chu)一個水量增加或(huo)減(jian)少信號,控(kong)制馬達轉(zhuan)速。如在一定延時(shi)時(shi)間(jian)內,壓力(li)還是不(bu)足或(huo)過大,則通過變(bian)頻(pin)(pin)器作工頻(pin)(pin)/變(bian)頻(pin)(pin)切換起(qi)動另一臺水泵,使實際管網壓力(li)與設(she)定壓力(li)相一致。另外(wai),隨著用(yong)水量的(de)減(jian)少,變(bian)頻(pin)(pin)器自(zi)動減(jian)少輸出(chu)頻(pin)(pin)率,達到了節能(neng)的(de)目的(de)。   

適用范圍: 

居(ju)民(min)生(sheng)活用水:如高(gao)層建筑(zhu),居(ju)民(min)小(xiao)區、別墅等

公共場所:如(ru)醫院、學校、體育館(guan)、高(gao)爾夫球場、機場

商(shang)用大廈:如賓館、寫(xie)字樓、百(bai)貨商(shang)場、大型桑(sang)拿浴等

灌溉:如公園、游樂場、果(guo)園、農場等(deng)

制造(zao)業:如(ru)生產制造(zao)、洗滌裝置、食品工業、工廠

優點:

●    恒壓(ya)供水(shui)能(neng)自動24小時(shi)維持(chi)恒定(ding)壓(ya)力(li),并根(gen)據壓(ya)力(li)信號自動啟動備用泵,無(wu)級調整壓(ya)力(li),供水(shui)質量好,與傳統供水(shui)比較,不(bu)會(hui)造(zao)成管網破裂(lie)及(ji)水(shui)龍頭共振(zhen)現象。

●    動平滑,減(jian)少(shao)電機水泵(beng)的沖擊(ji),延長了電機及水泵(beng)的使用壽命(ming),避免了傳統供水中的水錘現象(xiang)。

●    采用變頻恒壓供水保護功(gong)能(neng)齊全,運(yun)行可靠(kao),具有欠(qian)壓、過壓、過流、過熱等保護功(gong)能(neng)。

● ;   系統配置可(ke)實現(xian)全自動定時供水,徹底實現(xian)無人值守自動供水.控制系統具有故障報警和顯(xian)示功能,并可(ke)進行工(gong)變頻(pin)轉換,應急供水。

●     系(xi)統根據(ju)用(yong)戶用(yong)水(shui)量(liang)的變(bian)化來調節水(shui)泵轉速,使水(shui)泵始終(zhong)工(gong)作在高效區,當系(xi)統零流量(liang)時,機組(zu)進(jin)入休眠狀態,水(shui)泵停(ting)止,流量(liang)增(zeng)加(jia)后才進(jin)行工(gong)作,節電效果明(ming)顯,比恒速水(shui)泵節電23%-55%。

●    變(bian)頻恒壓(ya)(ya)供(gong)水(shui)設備不(bu)設樓頂水(shui)池,既減少建筑物的(de)造價(jia),又克服了水(shui)源(yuan)二次(ci)污(wu)染,氣壓(ya)(ya)波(bo)動大(da),水(shui)泵啟動頻繁和建造水(shui)塔(ta)一(yi)次(ci)性投(tou)資大(da),施工周期長,費用高(gao)等缺點。

●     整套(tao)設(she)備只(zhi)需一組控制(zhi)柜和水泵機組,安(an)裝非常(chang)方(fang)便(bian),占地(di)面(mian)積少(shao)。

●     本設備采用全(quan)自動控制,操作人員只(zhi)需轉(zhuan)換電控柜(ju)開(kai)關,就可以實現(xian)用戶所需工況,操作簡單(dan)

控(kong)制方(fang)式特點:

變(bian)頻控制                                                 氣壓控制

1、運(yun)行方式                                          1、運(yun)行方式

--改變水(shui)泵轉速來保持供水(shui)壓力的穩定          --由壓力罐和壓力開關控(kong)制壓力

2、特(te)點               ;                                  2、特(te)點

--比一般(ban)設備成本高                                  --價格低(di)廉

--供(gong)水壓(ya)力(li)穩定                                        --供(gong)水壓(ya)力(li)偏差大

--節電,運(yun)行費用(yong)低                                  --控制(zhi)方式簡單,維修方便

--水泵及電機的(de)壽命長                               --水泵及電機的(de)壽命短

--無水錘現象,運行穩定(ding)

 調節水(shui)泵(beng)(beng)(beng)的轉速(su)來保持管(guan)(guan)(guan)網(wang)壓(ya)(ya)力(li)(li)(li)恒定,在系(xi)統(tong)出水(shui)管(guan)(guan)(guan)路處檢測到(dao)(dao)的壓(ya)(ya)力(li)(li)(li)大小水(shui)泵(beng)(beng)(beng)的啟(qi)(qi)動(dong)壓(ya)(ya)力(li)(li)(li)值時(shi),能夠自(zi)動(dong)調節水(shui)泵(beng)(beng)(beng)轉速(su)使出口壓(ya)(ya)力(li)(li)(li)恒定,水(shui)泵(beng)(beng)(beng)達(da)到(dao)(dao)工(gong)頻轉速(su)運行但壓(ya)(ya)力(li)(li)(li)達(da)不到(dao)(dao)設(she)定壓(ya)(ya)力(li)(li)(li)時(shi),系(xi)統(tong)按順序啟(qi)(qi)動(dong)P2、P3水(shui)泵(beng)(beng)(beng):隨著用水(shui)量的減少,出口壓(ya)(ya)力(li)(li)(li)上(shang)升,水(shui)泵(beng)(beng)(beng)的轉速(su)逐(zhu)漸降(jiang)低(di),如(ru)果(guo)水(shui)泵(beng)(beng)(beng)轉速(su)降(jiang)至(zhi)系(xi)統(tong)設(she)置的最(zui)低(di)轉速(su),系(xi)統(tong)按P3、P2、P1停(ting)止(zhi)(zhi)(zhi)水(shui)泵(beng)(beng)(beng)運行。當(dang)管(guan)(guan)(guan)網(wang)壓(ya)(ya)力(li)(li)(li)大于(yu)啟(qi)(qi)動(dong)壓(ya)(ya)力(li)(li)(li)設(she)定值時(shi)由(you)與(yu)出水(shui)管(guan)(guan)(guan)路連接(jie)的壓(ya)(ya)力(li)(li)(li)罐供水(shui),如(ru)果(guo)管(guan)(guan)(guan)網(wang)壓(ya)(ya)力(li)(li)(li)等(deng)于(yu)啟(qi)(qi)動(dong)壓(ya)(ya)力(li)(li)(li)設(she)定值時(shi)啟(qi)(qi)動(dong)水(shui)泵(beng)(beng)(beng),水(shui)泵(beng)(beng)(beng)運行中(zhong)管(guan)(guan)(guan)同多壓(ya)(ya)力(li)(li)(li)達(da)到(dao)(dao)停(ting)止(zhi)(zhi)(zhi)壓(ya)(ya)力(li)(li)(li)時(shi)停(ting)止(zhi)(zhi)(zhi)水(shui)泵(beng)(beng)(beng)運行,水(shui)泵(beng)(beng)(beng)啟(qi)(qi)動(dong)后管(guan)(guan)(guan)網(wang)壓(ya)(ya)力(li)(li)(li)超過啟(qi)(qi)動(dong)壓(ya)(ya)力(li)(li)(li),未達(da)到(dao)(dao)停(ting)止(zhi)(zhi)(zhi)壓(ya)(ya)力(li)(li)(li)時(shi)水(shui)泵(beng)(beng)(beng)繼續運行;水(shui)泵(beng)(beng)(beng)全(quan)速(su)運行后管(guan)(guan)(guan)網(wang)壓(ya)(ya)力(li)(li)(li)未達(da)到(dao)(dao)啟(qi)(qi)動(dong)壓(ya)(ya)力(li)(li)(li)時(shi)水(shui)泵(beng)(beng)(beng)追加(jia)啟(qi)(qi)動(dong)。


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