Water level control type check irrigation douche and quantitative check irrigation system

A water level control and irrigation system technology, applied in watering devices, horticulture, botanical equipment and methods, etc., can solve the problems of unsuitable application in production, inability to measure flow, complicated operation, etc., and achieve obvious water saving effect and improve The effect of irrigation precision and simple operation

Inactive Publication Date: 2010-11-10
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the operation is complicated, time-consuming and labor-intensive; it can be used for experimental research, but not suitable for application in production; ② install flow metering devices at the head and branch of the pipeline irrigation system, this method can only control the t

Method used

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  • Water level control type check irrigation douche and quantitative check irrigation system
  • Water level control type check irrigation douche and quantitative check irrigation system
  • Water level control type check irrigation douche and quantitative check irrigation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 water level control type border irrigation sprinkler

[0031] A water level control type border irrigation sprinkler 20, the water level control type border irrigation sprinkler schematic diagram and principle diagram are as follows figure 1 As shown, the water level control type border irrigation emitter has a float-connecting rod-conical valve body structure, the emitter water inlet 4 and the emitter water outlet 5 are arranged on the shell 9, and the emitter water inlet 4 is provided with a flow regulating device 10 , the shell between the emitter water inlet 4 and the emitter water outlet 5 is provided with an inner conical valve seat 3, the lower bottom surface of the inner conical valve seat 3 is the valve seat water inlet 12, and the upper bottom surface is the valve seat outlet 11, connected The rod 8 passes through the valve seat water outlet 11 on the inner conical valve seat 3, and the inner chamber of the shell 9 on the upper part of the emitter...

Embodiment 2

[0040] Embodiment 2 water level control type quantitative border irrigation irrigation system

[0041] The schematic diagram of water level controlled quantitative border irrigation system is as follows: figure 2As shown, the system is supplied with water by a water pump 21, and a water delivery pipe network is composed of a main water delivery pipe 22, a water delivery branch pipe 23, and a water delivery capillary 24. Water level control type border irrigation emitter 20. The main water delivery pipe 22, the water delivery branch pipe 23, and the water delivery capillary 24 all adopt thin-walled water delivery hoses. An energy dissipating device 26 is arranged at the water outlet of the water level control type border irrigation emitter 20 . The schematic diagram of the energy dissipation device is as image 3 shown.

[0042] The working process of the water level controlled quantitative border irrigation system is as follows. According to the established irrigation quo...

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Abstract

The invention discloses to a water level control type check irrigation douche and a quantitative check irrigation system and belongs to the technical field of agricultural irrigation. The water level control type check irrigation douche has a floater-connecting rod-conical valve structure; an inner conical valve seat is arranged in a shell between the water inlet and the water outlet of the douche; a connecting rod passes through a valve seat water outlet on the inner conical valve seat; the inner cavity of the shell on the upper part of the water outlet of the douche is provided with a floater; an outer conical valve is fixed at the bottom of the connecting rod; and the floater, the connecting rod and the outer conical valve move up and down together to control the opening and closing of the water level control type check irrigation douche. The douche can precisely control the water level of check irrigation and can be reliably closed. The water level control type check irrigation douche can be connected with the water outlet of a pump or a hydrant of the conventional pipeline water delivery irrigation system to form the quantitative check irrigation system together with a water delivery flexible pipe network. The system can realize quantitative irrigation and can fulfill the aims of no water conveyance loss in fields.

Description

technical field [0001] The invention belongs to the technical field of agricultural irrigation, in particular to a water level control type border irrigation sprinkler and a quantitative border irrigation irrigation system. Background technique [0002] At present, furrow irrigation all utilizes ditches or pipelines to deliver water, and water inlets are excavated in water delivery ditches to allow water flow into the furrow blocks. The traditional border irrigation method will cause water leakage and evaporation loss in the process of channel water delivery, and cannot accurately control the amount of border irrigation water. The water level control type border irrigation emitter is based on the pipeline water delivery, and uses the buoyancy of the water to control the opening and closing of the emitter, so as to realize the quantitative irrigation of the border irrigation. Existing water level controllers use mechanical or electronic methods to control high and low water ...

Claims

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Application Information

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IPC IPC(8): A01G25/02A01G25/16
Inventor 王伟晏清洪黄兴法
Owner CHINA AGRI UNIV
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