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黑岗口引水闸修建在开封县境黄河南岸黑岗口险工处,是5孔@2.5公尺R。C砼压力式涵洞带闸,闸的能力在黄河中常水位时可引水50秒公方,洪水时可引水64秒公方。这些流量担负着放淤、灌溉及航运三大任务,并结合供给开封市的工业用水,饮料及洗污以改良环境卫生等。该闸于今年2月25日开挖基础,—个月后即进行混凝土的浇筑,至5月中旬已基本完工,前后尚不足三个月,保证了大堤汛期的安全,也给放淤灌溉创造
Heikoukou diversion gate built in Kaifeng County, the southern bank of the Yellow River Blackway risk insurance office, is 5 holes @ 2.5 meters R. C-type concrete pressure culvert with gate, brake capacity in the Yellow River in the water level can be cited when the public 50 seconds, the flood can divert 64 seconds to the public. These flows bear the three tasks of releasing silt, irrigation and shipping, combined with industrial water supply, beverages and sewage treatment for Kaifeng City to improve sanitation and so on. The gate was excavated on February 25 this year, and concrete pouring was carried out after a month. By mid-May, it was basically completed, with less than three months before and after, ensuring the flood season safety and creating siltation irrigation