Spray irrigation grading water pumping variable-frequency energy-saving method for mountainous slope tea garden

Abstract

The invention provides a spray irrigation grading water pumping variable-frequency energy-saving method for a mountainous slope tea garden. By aiming at the large-area mountainous slope scaled tea planting and modern agricultural economy development requirements, the method has high adaptability on the topography, the slope tea garden can be subjected to spray irrigation without the need of strictflatness; the field microclimate can be regulated, and the most proper ecological environment is created for the tea growth; the air humidity can be increased through tea spray irrigation; the tea growth is promoted; the tea yield and quality are improved; and the economic benefits and social benefits are improved. The method provided by the invention further improves and optimizes relevant technology of the engineering design of the mountainous slope tea garden and the variable-frequency energy-saving method by aiming at the topography features of high terrain and low water source of the mountainous slope. The slope spray irrigation system adopts a grading water lifting technology; the tea garden spray irrigation investment can be reduced; the spray irrigation energy source consumption can also be reduced; the tea garden operation cost is reduced; and the energy-saving effect of applying a frequency converter to a mountainous tea garden spray irrigation system is very obvious.

Description

technical field [0001] The invention relates to an energy-saving method for staged pumping of sprinkling irrigation for tea gardens, in particular to a method for energy-saving of staged pumping for sprinkling irrigation for tea gardens on slopes in mountainous areas, and belongs to the technical field of staged pumping for sprinkling irrigation in tea gardens. Background technique [0002] The terrain of the mountainous area is highly undulating, with large ground height differences and steep slopes, but the area is large. Through land transfer and contracting, the contractors will comprehensively manage the land, plant tea on a large scale, and develop tea specialty industries. The characteristic tea garden economy can not only bring considerable benefits to contractors, greatly increase farmers' income, but also stimulate farmers' enthusiasm for tea planting, and can also promote the development of local tourism, improve the appearance of villages, and build beautiful vill...

AI Technical Summary

Problems solved by technology

The sprinkler irrigation area controlled by the water pump in the prior art has a relatively high elevation, and it is impossible to avoid the problems that the sprayed water droplets are too strong due to the excessive pressure of the sprinkler head, causing damage to the tea leaves and scouring the soil on the slope, and cannot protect the vertical pipe and the sprinkler head. Pipes have a shorter service life

[0010] The third is that in the mountainous area sprinkler irrigation project of the prior art, the electromechanical pump operates at a constant speed under the power frequency power supply of 50 Hz, and the sprinkler irrigation system adopts the adjustment and control facilities of the reservoir, the pressure regulating tank, and the pressure reducing valve, which can control the pressure and flow change However, they all have great limitations. It is impossible to adjust the operating characteristics of the pump to adapt to the actual changing operating conditions of the pipe network, which will reduce the working efficiency of the pump and make the work of the pump deviate from the high-efficiency area. The operation is very uneconomical and a lot of waste Energy cannot meet the requirements of constant pressure water supply for sprinkler irrigation, which makes the investment in sprinkler irrigation of tea gardens, the energy consumption of sprinkler irrigation is high, and the operating cost of tea gardens is high

When pumping and sprinkling irrigation in mountainous areas, due to the existence of natural height difference, if the water pump has been pumping and sprinkling irrigation under power frequency, it will not only waste energy, but also affect the uniformity of sprinkling irrigation and shorten the normal service life of the project

In the tea garden sprinkler irrigation project, the existing technology of water storage tanks, pressure regulating tanks and pressure reducing valves cannot adjust the operating characteristics of the water pump to adapt to the actual changing operating conditions of the pipe network, and cannot achieve the purpose of variable speed and energy saving

There is no energy-saving design for tea garden irrigation in mountainous areas in the existing technology, the investment in pipe network and power equipment is large, the energy consumption is high, and the labor intensity and cost of operation and management personnel are high.

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