Pressure adapter for micro-irrigation branch tube

Abstract

The invention belongs to improvement of a hydraulic pressure adjusting device structure, and particularly relates to a pressure adapter for a micro-irrigation branch tube. An energy dissipation structure is combined by a pore plate and an impact plate; and on the basis of sudden contraction and sudden increasing of water flow of a common pore plate energy dissipation structure, impact at the position of an impact plate is increased, the impact plate turns at an angle of 90 degrees, the water flow flows to the outer side of the impact plate in a radial manner, the flowing direction is changed again under the influence of the inner wall of the body of the adapter, and therefore, an energy dissipation effect is improved remarkably (by 21%-124% on the basis of energy dissipation of the pore plate). The pressure adapter for the micro-irrigation branch tube is mounted between an inlet of the micro-irrigation branch tube and a main pipe to eliminate redundant water pressure for a residentialquarter, thus, respective design water pressures of various entrances of the residential quarter can be obtained, therefore, the design of a micro-irrigation system is realized, and the irrigation quality conforms to the national standard. Because theoretical defects do not exist on design, the precision of water pressure provided for the residential quarter will be greatly improved.

Description

technical field [0001] The invention belongs to the improvement of the structure of a water pressure regulating device, in particular to a pressure adapter for a micro irrigation branch pipe. Background technique [0002] Micro-irrigation systems, especially micro-irrigation systems with an irrigation area of ​​more than 1,000 mu, often have a round irrigation group containing multiple irrigation plots (hereinafter referred to as: plots), because the entrances of each plot in the same round irrigation group are located in different areas of the main pipe. Therefore, the water pressure obtained from the main pipe in each irrigation area is different, and the difference can reach 0.2MPa, or even higher, which in turn causes the water pressure of each irrigation group in the same round to be different. There are significant differences in the working water pressure of the emitters (drippers, micro-sprinklers, etc.) among the plots; if there are no appropriate measures, the diff...

AI Technical Summary

Problems solved by technology

Taking the output water pressure as the design goal of the pressure regulator has a major flaw in theory: that is, the output water pressure of the pressure regulator cannot get rid of the influence of the hydraulic characteristics of the plot and the terrain conditions in theory; The characteristics and terrain are diverse, resulting in different output water pressures

These practices will inevitably lead to a substantial increase in investment in micro-irrigation systems

Therefore, the direct-acting pressure regulator cannot properly solve the aforementioned problems, and it is not the development trend of micro-irrigation technology.

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