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使用陶瓷管道搞喷灌(面积为六亩八分)已初见成效,情况如下:管道布置见图1,使用3BA—9离心泵,泵与陶瓷管间用胶管联接,以防机器振动损坏管道,管道全长三百六十五米,埋在冻层(约2尺)以下,坡度为每一百米下降0.1～0.6米,以利放水。每个闸阀控制4～5个喷头,喷头呈三角形组合,一次可同时开动13～14个喷头,每小时可喷水55～60米~3。与渠灌相比:提高工效七倍,每亩次省水20米~3。主要部件见图2,输水管、三通管、四通管和异径三通管均是陶瓷管、法兰盘为灰铸铁,立管为1(1/2)″焊接钢管。全部管件均采用承插方式联接(见图3),接缝用石棉绳和石棉水泥分两段密封。先用清水把石棉绳浸
The use of ceramic pipe engage in sprinkler irrigation (an area of six acres eight) has achieved initial success, the following: Piping layout shown in Figure 1, the use of 3BA-9 centrifugal pump, pump and ceramic tube with hose connection to prevent machine damage to the pipeline, The pipeline is 365 meters in length and is buried beneath the frozen layer (about 2 feet) with a slope of 0.1-0.6 meters per 100 meters to facilitate drainage. Each gate valve control 4 ~ 5 nozzles, nozzle triangular combination, a can simultaneously start 13 to 14 nozzles, water per hour can spray 55 ~ 60 m ~ 3. Compared with canal irrigation: to improve work efficiency seven times per acre of provincial water 20 meters ~ 3. The main components shown in Figure 2, water pipes, tees, four-way pipe and reducing tee are ceramic tubes, flange gray cast iron, stand for 1 (1/2) "welded steel pipe. Using socket connection (see Figure 3), seams with asbestos rope and asbestos cement sealed in two sections. First with water to asbestos rope dip