西安市黑河引水工程位于我省周至县境内,主要为西安市供水,兼作发电,黑河水库库容2亿m~3。坝体为土石坝,最大坝高135m。该枢纽设引水洞、泄洪洞、溢洪洞三条隧洞。泄洪洞进口高程545m,最大泄量2540m~3/s。当库水位达到汛限水位591m时,泄洪洞工作弧门开始泄洪,当库水位达到保坝水位599.5m时,泄洪洞工作弧门、溢洪洞工作 Xi’an Heihe Diversion Project is located in the territory of Zhouzhi County in our province, mainly for water supply in Xi’an, which also doubles as power generation. The Heihe reservoir has a storage capacity of 200 million m 3. Dam for earth and rock dam, the maximum dam height 135m. The hub set diversion tunnel, flood discharge tunnel, spillway tunnel three. Spillway entrance elevation of 545m, the maximum discharge 2540m ~ 3 / s. When the reservoir water level reached flood control level 591m, the spillway tunnel began to discharge floodgate when the reservoir water level reaches the dam level of 599.5m, spillway work arc gate, spillway work