Farmland low-pressure water pipeline withholding and anti-scouring fixed water intake
A technology of water pipelines and water intakes, which is applied in the field of farmland pipeline water delivery and irrigation projects, can solve the problems of inability to distribute pipelines to each field, troublesome water distribution and water management, and achieve anti-theft and quota water allocation and eliminate surplus The effect of pressure head and reasonable structure
Active Publication Date: 2015-11-25
YANGZHOU UNIV
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Problems solved by technology
Although the water intake currently used has the ability to adjust and control the water output of the pipeline system, it cannot accurately distribute the water volume of the pipeline to each field according to the needs without metering equipment, and the water allocation and water management of the system still remain. very troublesome
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[0015] Farmland low-pressure water pipeline withholding and anti-surge fixed water intake, including low-pressure water pipeline, water inlet area 1, water outlet area, withholding control area 4. The withholding control area is set in the water outlet area, and the water inlet area is separately from the low pressure water pipeline Connect with the withholding control area.
[0016] The water inlet area 1 is formed by connecting the riser 3 and the reducing tee 2. The reducing tee is installed at the branch of the low-pressure water pipeline. The outlet area is an outlet pool 10 made of precast concrete material.
[0017] The crimping control zone 4 is provided with an outer cover 5, a positioning pin 7, a connecting pipe 8 and a water outlet 9 arranged on the side wall of the outer cover. The positioning pin is arranged on the pipe wall of the outer cover and extends out of the inner wall of the pipe. The connecting pipe is sleeved and connected to the vertical On the pipe, a sl...
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The invention provides a withholding scour prevention quantitative water intake for a farmland low-pressure water delivery pipeline, and belongs to the technical field of farmland pipeline water delivery irrigation engineering. The withholding scour prevention quantitative water intake comprises the low-pressure water delivery pipeline, and is characterized by further comprising a water inlet area, a water outlet area and a withholding control area, wherein the withholding control area is arranged in the water outlet area, the water inlet area is respectively connected with the low-pressure water delivery pipeline and the withholding control area, the water inlet area is formed by connecting vertical pipes and a reducer tee, the reducer tee is installed on branches of the low-pressure water delivery pipeline, an outer cover, locating pins, connecting pipes and water outlets arranged in side walls of the outer cover are arranged in the withholding control area, the locating pins are arranged on pipe walls of the outer cover and stretch out of inner walls of the pipes, the connecting pipes are connected to the vertical pipes in a sleeved mode, outer walls of the connecting pipes are provided with sliding chutes, the outer cover is arranged on the connecting pipes in a sleeved mode, the locating pins are placed in the sliding chutes, and the outer cover moves along the sliding chutes up and down through the locating pins. The withholding scour prevention quantitative water intake is reasonable in structure, stable in water flow, less in local head loss, simple in structure, low in manufacturing cost, flexible in operating, capable of blocking water through sealing gaskets, good in sealing performance and easy to maintain.
Description
Technical field [0001] The invention relates to an accessory accessory of a farmland low-pressure pipeline water delivery irrigation system, in particular to a farmland low-pressure water delivery pipeline withholding and anti-scouring type fixed water intake, belonging to the technical field of farmland pipeline water delivery irrigation engineering. Background technique [0002] The water intake of the low-pressure pipeline irrigation system is an important facility for water distribution from the pipeline to the farmland. The accuracy of the water distribution at the intake directly affects the scientific water management and water fee recovery in the irrigation area, and even affects the popularization and application of advanced irrigation technology. As farmland irrigation water management conditions will gradually become uniform, the technology of water distribution pipeline quantitative water distribution equipment will have more and more research and promotion application...
Claims
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IPC IPC(8): E02B13/00E02B13/02
Inventor 周明耀曹东红李磊
Owner YANGZHOU UNIV