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Single-phase fertilization-with-water system having double nutrient solution concentration output and using metering pumps for quantitative control

A technology of fertilization with water and quantitative control, which is applied in the field of irrigation agriculture, can solve the problems of low degree of automation, difficulty in achieving highly automatic control of irrigation and fertilization, and failure to meet the control requirements of facility agriculture, etc., and achieve the effect of simple operation

Active Publication Date: 2015-04-01
恩施不亦乐乎科技农业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the automation degree of drip irrigation system for fertilization with water is not high, especially for the situation where several different fertilizers need to be applied at the same time, there is no good solution, and the control system is not perfect, far from meeting the control requirements required by facility agriculture, it is difficult to achieve Highly automated control of fertigation process

Method used

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  • Single-phase fertilization-with-water system having double nutrient solution concentration output and using metering pumps for quantitative control
  • Single-phase fertilization-with-water system having double nutrient solution concentration output and using metering pumps for quantitative control
  • Single-phase fertilization-with-water system having double nutrient solution concentration output and using metering pumps for quantitative control

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Experimental program
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Embodiment

[0040] When the water source enters the raw water irrigation system, it is initially filtered through the filter a1, enters the raw water pump 3 through the cut-off valve a2, and then passes through the cut-off valve b4 to be further filtered through the filter b5. The pressure reducing valve 6 keeps the outlet pressure within a stable range. The pressure gauge 7 measures the water pressure of the pipeline; after the water flows through the pressure gauge, it enters the turbine flowmeter 8 to achieve precise water and fertilizer concentration ratio and quantitative irrigation. The flowmeter needs to be connected to the check valve 9 to ensure the direction of water flow and prevent Backflow; after the nutrient solution A is stirred by the No. 1 stirring pump 19, the corresponding amount of nutrient solution A is taken out from the No. 1 medicine barrel 10 by the No. 1 metering pump 11, and then enters into the main water pipeline through the No. 1 back pressure valve 12, To kee...

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Abstract

The invention relates to a single-phase fertilization-with-water system having double nutrient solution concentration output and using metering pumps for quantitative control. The fertilization system comprises a raw water irrigation system, a fertilization system and an irrigation control system, wherein a shut-off valve a is arranged between a filter a and a raw water pump; the raw water pump is connected with a shut-off valve b; a filter b, a pressure gauge and a turbine flowmeter are arranged on the pipeline connected with the shut-off valve b and a check valve; a first chemical agent barrel is connected with a first metering pump, the first metering pump is connected with a first back pressure valve and a first stirring pump is connected with the first chemical agent barrel; a second chemical agent barrel is connected with a second metering pump, the second metering pump is connected with a second back pressure valve and a second stirring pump is connected with the second chemical agent barrel; the fertilization system is connected with a PLC irrigation control cabinet of the irrigation control system through the first metering pump and the second metering pump and the raw water pump, the first metering pump and the second metering pump are all single-phase motors. A detection module comprising pH value and EC value sensors are mounted on a main pipeline close to the irrigation region.

Description

technical field [0001] The invention belongs to the field of irrigation agriculture, in particular to a fertilization system with water and a fertilization control device thereof. Background technique [0002] With the rapid development of facility agriculture in my country, the area of ​​facility agriculture cultivation is also increasing. The traditional fertilization and irrigation methods are cumbersome and not conducive to saving water resources. Opportunities, but also put forward higher requirements. The water fertilization system combines irrigation and fertilization to make full use of water sources and fertilizers, so as to save resources and increase crop yields, save labor and improve efficiency. [0003] At present, the automation degree of drip irrigation system for fertilization with water is not high, especially for the situation where several different fertilizers need to be applied at the same time, there is no good solution, and the control system is not p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C23/04A01G25/16
CPCY02A40/22
Inventor 徐鸿楼刚宋力强朱汉良杜红宇李献亮苗青张艳秋
Owner 恩施不亦乐乎科技农业有限公司
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