概況
黑(hei)屋灣水庫位于隨(sui)州市曾(ceng)都(dou)區(qu)新街鎮唐家河村,距市區(qu) 39公里,攔截府河支流差水,是府河上(shang)游治(zhi)本工程之一,流域屬湖北(bei)省水文氣象(xiang)第四區(qu),主河道平(ping)均坡降為(wei)1.33‰,流域為(wei)丘陵(ling)區(qu)呈(cheng)長形,于1957年(nian)元月(yue)開(kai)工,1958年(nian)4月(yue)竣工,大壩(ba)高35.24米(mi)(mi)(均勻(yun)土(tu)質壩(ba)),承雨面積243.5/513平(ping)方公里,總庫容(rong)1.632億立(li)(li)方米(mi)(mi),其(qi)中防洪庫容(rong)0.767億立(li)(li)方米(mi)(mi),有效庫容(rong)0.6945億立(li)(li)方米(mi)(mi),死庫容(rong)0.1705億立(li)(li)方米(mi)(mi),是一座以防洪、灌溉為(wei)主,兼有發電。
樞紐工程有大(da)(da)壩一座(zuo),高(gao)35.24米(mi),壩長(chang)370米(mi),副壩一座(zuo),高(gao)15.74米(mi),壩長(chang)40米(mi),底(di)孔導游洞一處(chu)(chu)(直徑1.8米(mi)),最(zui)大(da)(da)泄量(liang)27.5秒(miao)立方米(mi),灌溉輸(shu)水(shui)管(東(dong))一處(chu)(chu)直徑1.8米(mi),最(zui)大(da)(da)流量(liang)12秒(miao)立方米(mi),西(xi)輸(shu)洞一處(chu)(chu)(直徑1.8米(mi),最(zui)大(da)(da)流量(liang)3秒(miao)立方米(mi)),溢洪(hong)道一處(chu)(chu)10m×6m×3孔鋼(gang)結構弧形閘門(men)控制,最(zui)大(da)(da)泄量(liang)1500立方米(mi)/秒(miao)。
水(shui)(shui)(shui)庫(ku)設計(ji)洪水(shui)(shui)(shui)標(biao)準 100年一遇,校核洪水(shui)(shui)(shui)標(biao)準2000年一遇,屬梯級水(shui)(shui)(shui)庫(ku)群的末級水(shui)(shui)(shui)庫(ku),可保護下游漢丹鐵路、316國(guo)道(dao)、隨州(zhou)、安(an)陸兩市26萬人(ren)口(kou)的生命(ming)財產及15.8萬畝耕地。
水庫功能
水(shui)(shui)(shui)(shui)(shui)庫屬于河(he)(he)道型多年調節水(shui)(shui)(shui)(shui)(shui)庫,正(zheng)常蓄(xu)水(shui)(shui)(shui)(shui)(shui)位(wei)116米(mi),汛(xun)限水(shui)(shui)(shui)(shui)(shui)位(wei)114米(mi),死水(shui)(shui)(shui)(shui)(shui)位(wei)104.26米(mi),設計洪水(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)120米(mi),校核(he)洪水(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)122.2米(mi);總庫容(rong)(rong)為(wei)1.632億(yi)立(li)方(fang)米(mi),其(qi)中(zhong)調洪庫容(rong)(rong)0.767億(yi)立(li)方(fang)米(mi),興利庫容(rong)(rong)0.6945億(yi)立(li)方(fang)米(mi),死庫容(rong)(rong)0.1705億(yi)立(li)方(fang)米(mi)。水(shui)(shui)(shui)(shui)(shui)庫為(wei)河(he)(he)道型水(shui)(shui)(shui)(shui)(shui)庫,水(shui)(shui)(shui)(shui)(shui)庫水(shui)(shui)(shui)(shui)(shui)面(mian)面(mian)積9.68平方(fang)千米(mi),回水(shui)(shui)(shui)(shui)(shui)長(chang)度16.5千米(mi),平均水(shui)(shui)(shui)(shui)(shui)面(mian)寬(kuan)0.23千米(mi),最大水(shui)(shui)(shui)(shui)(shui)深230米(mi)。
水(shui)庫(ku)功(gong)能灌溉、防洪(hong)(hong)為(wei)主,兼有(you)發(fa)電、養(yang)(yang)殖(zhi)等綜合效益。水(shui)庫(ku)灌溉面(mian)積8.2千公頃(qing)(qing)(1977年),年發(fa)電量215萬(wan)千瓦時,水(shui)庫(ku)可養(yang)(yang)殖(zhi)水(shui)面(mian)670公頃(qing)(qing),防洪(hong)(hong)標(biao)準為(wei)20年一(yi)遇,可減(jian)輕下(xia)游(you)10萬(wan)居民,5300公頃(qing)(qing)耕地(di)的(de)洪(hong)(hong)水(shui)威脅(xie)。
水庫樞紐工程
水(shui)(shui)(shui)庫樞紐工(gong)程(cheng)包括大(da)壩(ba)(ba)、溢(yi)洪(hong)道(dao)、導流底孔(kong)、輸(shu)水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)、水(shui)(shui)(shui)電站(zhan)。主壩(ba)(ba)為(wei)(wei)(wei)(wei)均質土壩(ba)(ba),壩(ba)(ba)頂(ding)高程(cheng)122.24米(mi)(mi)(mi)(mi)(mi),最大(da)壩(ba)(ba)高35.2米(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)軸線長370米(mi)(mi)(mi)(mi)(mi);副壩(ba)(ba)1座,最大(da)壩(ba)(ba)高15.74米(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)軸線長40米(mi)(mi)(mi)(mi)(mi)。正常(chang)溢(yi)洪(hong)道(dao)為(wei)(wei)(wei)(wei)開敞式寬頂(ding)堰(yan),最大(da)泄流量(liang)1020立方米(mi)(mi)(mi)(mi)(mi)每(mei)秒;非正常(chang)溢(yi)洪(hong)道(dao)為(wei)(wei)(wei)(wei)自潰壩(ba)(ba),最大(da)泄流量(liang)1587立方米(mi)(mi)(mi)(mi)(mi)每(mei)秒。導流底孔(kong)為(wei)(wei)(wei)(wei)圓形(xing)有壓(ya)涵管(guan)(guan)(guan)(guan),直(zhi)(zhi)徑1.8米(mi)(mi)(mi)(mi)(mi),最大(da)泄流量(liang)27.5立方米(mi)(mi)(mi)(mi)(mi)每(mei)秒。輸(shu)水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)分(fen)老輸(shu)水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)、東(dong)輸(shu)水(shui)(shui)(shui)隧(sui)管(guan)(guan)(guan)(guan)、西(xi)輸(shu)水(shui)(shui)(shui)隧(sui)管(guan)(guan)(guan)(guan)。老輸(shu)水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)為(wei)(wei)(wei)(wei)圓形(xing)有壓(ya)涵管(guan)(guan)(guan)(guan),直(zhi)(zhi)徑為(wei)(wei)(wei)(wei)1.8米(mi)(mi)(mi)(mi)(mi),最大(da)泄流量(liang)18.7立方米(mi)(mi)(mi)(mi)(mi)每(mei)秒;東(dong)輸(shu)水(shui)(shui)(shui)隧(sui)管(guan)(guan)(guan)(guan)為(wei)(wei)(wei)(wei)圓形(xing)有壓(ya)涵管(guan)(guan)(guan)(guan),直(zhi)(zhi)徑為(wei)(wei)(wei)(wei)1.8米(mi)(mi)(mi)(mi)(mi);西(xi)輸(shu)水(shui)(shui)(shui)隧(sui)管(guan)(guan)(guan)(guan)為(wei)(wei)(wei)(wei)馬蹄鐵形(xing)涵管(guan)(guan)(guan)(guan),斷面尺寸為(wei)(wei)(wei)(wei)1.8米(mi)(mi)(mi)(mi)(mi)╳1.4米(mi)(mi)(mi)(mi)(mi)。壩(ba)(ba)后式電站(zhan)裝機容量(liang)320千瓦。