Anti-clogging drop irrigator with stable flow and low pressure

Abstract

The invention discloses a low-pressure douche with steady flow and blockage resistance. A douche on a drip tape is a continuous channel composed of a double-layered tube wall which is respectively a douche inner wall and a douche outer wall, two sides of the double-layered wall of the douche continuous channel are adhered with the drip tape, and the douche inner wall and the douche outer wall are in natural tangency; furthermore, a douche water-passing channel is arranged between the inner wall and the outer wall, the douche inner wall is a part of the drip tape, a water transmission channel is arranged inside the inner wall, the outer wall covers the inner wall; a crosswise or chuan-shaped water inlet orifice that is communicated with a water output channel is arranged on the wall surface of the douche inner wall, and a circular or crosswise water outlet orifice is arranged on the wall surface of the douche outer wall. The invention has the effect of preventing channel blockage, and under different inner tube pressure, the invention has different combination closeness between the inner wall and the outer wall, as well as different water-passing channel section area; the water-passing section area is in inverse proportion to pressure, the flow speed is in positive correlation with the pressure difference between the water inlet and the water outlet, and pressure change has little influence on flow output amount, therefore, the flow output amount is very steady.

Description

technical field [0001] The invention belongs to the technical field of agricultural water-saving irrigation, relates to drip irrigation technology and equipment industry, and particularly relates to a double-walled low-pressure sprinkler with the function of stabilizing flow and anti-clogging. Background technique [0002] Drip irrigation is an advanced water-saving irrigation technology. Compared with other irrigation technologies, drip irrigation technology has a wide range of applications, uniform irrigation, and significant water-saving and production-increasing benefits. Therefore, drip irrigation technology has very broad application development prospects. For more than half a century, drip irrigation equipment has been rapidly developed and improved, and drip irrigation technology has also been rapidly promoted. Although the drip irrigation technology itself has been relatively perfect, the system cost of the drip irrigation system is relatively expensive. It is main...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the change of hydraulic characteristics in the flow channel of the emitter under the condition of low-pressure drip irrigation and the clogging caused by the deposition and adhesion of tiny solid particles, the purpose of the present invention is to provide a low-pressure emitter with simple structure, anti-clogging performance and stable flow

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