【浮(fu)體式給水栓主要功(gong)能】

4.有(you)序灌溉：上栓體為下栓體的(de)開啟工具。

5.分戶(hu)計(ji)量(liang)：上栓體加裝了計(ji)量(liang)水表、可實現分戶(hu)計(ji)量(liang)水量(liang)。解(jie)決了傳統給水栓沒有計(ji)量(liang)設施，管(guan)(guan)道系統中的計(ji)量(liang)水表，只能計(ji)量(liang)一條管(guan)(guan)道的水量(liang)，而不(bu)能計(ji)量(liang)到(dao)戶(hu)的問題。

6.方(fang)便快捷：上(shang)栓體出(chu)水方(fang)向可靈活設(she)置，可實現306°出(chu)水灌(guan)溉。混泥土保(bao)護管可裝配式安(an)裝，施(shi)工現場無需攪(jiao)拌砂漿，青海給水栓，不占農(nong)田安(an)裝、及為(wei)方(fang)便。下栓體螺紋式組裝結構，用裝備拆卸(xie)、更換(huan)部件十分方(fang)便。

上栓(shuan)體為下(xia)栓(shuan)體的(de)開啟工(gong)具，8至10個(ge)下(xia)栓(shuan)體為一(yi)個(ge)輪灌組(zu)(zu)，一(yi)個(ge)輪灌組(zu)(zu)配(pei)置一(yi)套，由水管員保管使用。混泥土保護管是下(xia)栓(shuan)體的(de)保護裝置，有管座、管身和頂蓋(gai)組(zu)(zu)成。頂蓋(gai)為防盜結構，用工(gong)具開啟。

    鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)的制作(zuo)方法附圖(tu)(tu)圖(tu)(tu)1為(wei)(wei)(wei)現(xian)有技術(shu)中鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的簡(jian)易結構示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)2為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)立(li)體示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)3為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)俯視(shi)示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)4為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)后視(shi)示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)5為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)仰視(shi)示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)6為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)右視(shi)示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)7為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)主視(shi)示(shi)意(yi)圖(tu)(tu)；圖(tu)(tu)8為(wei)(wei)(wei)本(ben)實(shi)用新(xin)(xin)(xin)型(xing)(xing)(xing)鑄(zhu)鐵(tie)(tie)給(gei)水(shui)栓(shuan)(shuan)的多(duo)(duo)功(gong)(gong)能(neng)(neng)(neng)防(fang)(fang)(fang)護(hu)裝置(zhi)(zhi)左視(shi)示(shi)意(yi)圖(tu)(tu)。圖(tu)(tu)中，1、啟閉旋轉閥(fa)桿(柄(bing))，2、出水(shui)管(guan)，3、凹槽，4、凹槽邊墻，5、導(dao)流槽邊墻，6、底 座，7、導(dao)流槽，8、進水(shui)管(guan)。

自(zi)壓式(shi)給水(shui)栓的優點：

    在灌溉(gai)管(guan)道系統中(zhong)廣泛使(shi)用(yong)(yong)的是(shi)螺(luo)桿式給(gei)水(shui)(shui)栓(shuan)，臨沂(yi)給(gei)水(shui)(shui)栓(shuan)價格，其存在著結構復雜、制造困(kun)難、價格高等(deng)缺(que)點(dian)，更主(zhu)要的是(shi)，需(xu)用(yong)(yong)外力旋轉螺(luo)桿，費時費力，不(bu)容(rong)易實現(xian)電力或水(shui)(shui)力自動化控制，且螺(luo)桿螺(luo)母禍合件極易銹(xiu)蝕(在農田中(zhong)使(shi)用(yong)(yong)，由(you)于環境惡(e)劣，嶄新的給(gei)水(shui)(shui)栓(shuan)有時使(shi)用(yong)(yong)不(bu)足就被銹(xiu)蝕損壞，不(bu)能(neng)再用(yong)(yong))，地埋式給(gei)水(shui)(shui)栓(shuan)生產廠家，因此它的更新周(zhou)期短(duan)，維(wei)修費用(yong)(yong)高。這是(shi)一個長期普遍存在但未能(neng)有效解決的老大難問(wen)題。

但是新(xin)型(xing)自壓開關給水(shui)栓(shuan)克服了現有給水(shui)栓(shuan)的(de)以(yi)上諸多缺(que)點，具(ju)有原理新(xin)穎(ying)、結構簡(jian)單、制造(zao)容易(yi)、造(zao)價低(di)、使(shi)用(yong)方便、省時省力、無(wu)易(yi)損件(jian)、維修費用(yong)低(di)，并能方便實現電力或水(shui)力自動化(hua)控(kong)制等優點。

   自動(dong)給(gei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)栓的(de)出流與加在(zai)給(gei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)栓上(shang)的(de)壓(ya)力水(shui)(shui)(shui)(shui)(shui)(shui)(shui)頭有(you)關。當(dang)系統(tong)正常工(gong)作時(shi)，通過安裝在(zai)蓄水(shui)(shui)(shui)(shui)(shui)(shui)(shui)池(chi)中(zhong)的(de)浮球水(shui)(shui)(shui)(shui)(shui)(shui)(shui)位(wei)傳感器(qi)自動(dong)控制(zhi)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)泵供水(shui)(shui)(shui)(shui)(shui)(shui)(shui)，以保(bao)證蓄水(shui)(shui)(shui)(shui)(shui)(shui)(shui)池(chi)有(you)足(zu)夠儲水(shui)(shui)(shui)(shui)(shui)(shui)(shui)量。系統(tong)的(de)總(zong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)頭約5m，蓄水(shui)(shui)(shui)(shui)(shui)(shui)(shui)池(chi)頂水(shui)(shui)(shui)(shui)(shui)(shui)(shui)位(wei)波動(dong)幅度約0. 5m，農田(tian)給(gei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)栓價(jia)格，忽略(lve)蓄水(shui)(shui)(shui)(shui)(shui)(shui)(shui)池(chi)頂的(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)位(wei)變(bian)化對總(zong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)頭的(de)影響，在(zai)固定的(de)自動(dong)給(gei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)栓開啟的(de)情況(kuang)下，可認(ren)為管道中(zhong)的(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)流是恒定流。另外，由于沿輸水(shui)(shui)(shui)(shui)(shui)(shui)(shui)管道各(ge)給(gei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)栓處的(de)壓(ya)力水(shui)(shui)(shui)(shui)(shui)(shui)(shui)頭有(you)差異，而(er)且在(zai)總(zong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)頭較小的(de)情況(kuang)下，這種差異不(bu)能忽略(lve)，這就導致了各(ge)給(gei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)栓出流量的(de)不(bu)相同，因此不(bu)能按(an)均(jun)勻出流情況(kuang)下多孔出流的(de)計算公式求解(jie)。