CN111771500A - Rapid and accurate fertilization system and method - Google Patents

Rapid and accurate fertilization system and method Download PDF

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Publication number
CN111771500A
CN111771500A CN202010510499.6A CN202010510499A CN111771500A CN 111771500 A CN111771500 A CN 111771500A CN 202010510499 A CN202010510499 A CN 202010510499A CN 111771500 A CN111771500 A CN 111771500A
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China
Prior art keywords
conveying pipe
fertilizer
pipe
stock solution
sensor
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CN202010510499.6A
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Inventor
萧金瑞
雷成豪
刘晓初
梁忠伟
高伟林
陶兴
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Guangzhou University
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Guangzhou University
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Priority to CN202010510499.6A priority Critical patent/CN111771500A/en
Publication of CN111771500A publication Critical patent/CN111771500A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042Adding fertiliser to watering systems
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/007Metering or regulating systems
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fertilizing (AREA)

Abstract

The invention discloses a rapid and accurate fertilization system and a method, wherein the system comprises a water source, a stock solution source, a pipeline network and a detection control module, wherein the pipeline network comprises a main pipeline conveying pipe and a bypass conveying pipe; two ends of the main path conveying pipe extend into a water source and an irrigation area respectively, and at least two mixing areas are arranged on the main path conveying pipe along the conveying direction; the stock solution source is communicated with the main path conveying pipe through a stock solution pipe; the bypass conveying pipe comprises a stock solution bypass conveying pipe and a water bypass conveying pipe, the head end of the stock solution bypass conveying pipe is connected to the stock solution pipe, and the tail end of the stock solution bypass conveying pipe is connected between the two mixing areas; the head end of the water bypass conveying pipe is connected between a water source and a connecting point at the tail end of the stock solution pipe, and the tail end of the water bypass conveying pipe is connected between the two mixing areas; the detection control module comprises a sensor and a pipeline control unit. The invention can adjust the parameters such as the concentration of the fertilizer solution in the conveying pipeline in real time and synchronously, so that the fertilizing work is more accurate and efficient.

Description

Rapid and accurate fertilization system and method
Technical Field
The invention relates to an agricultural fertilizing device, in particular to a rapid and accurate fertilizing system and method.
Background
With the rapid development of agriculture, the human intervention on plants is gradually increased, and various fertilizers are used on a large scale to increase nutrient elements for the plants in order to promote the growth of the plants. In the fertilizing process, a plurality of fertilizers are often added at the same time, mixed with water and irrigated to soil together. Wherein, because the mixing proportion of a plurality of fertilizers is not accurate, the soil fertilizer surplus of individual areas can be caused, the self-digestion capability of the soil is reduced, the soil and the underground water in the areas are polluted in different degrees, the cultivated land is further reduced, and the sustainable development of modern agriculture is severely restricted.
In traditional fertilization technique, mainly adopt and mix fertile bucket with water and chemical fertilizer according to certain proportion and concentration and allocate the mixture, rethread pipeline transport to crops, though can realize the allotment of liquid manure to a certain extent, the precision is lower, and the response time that the liquid manure reaches the requirement concentration value is long, and efficiency is lower, and owing to the existence of muddy fertile bucket, equipment area is big, is not suitable for the mountain area agricultural fertilization of scatter distribution, is difficult to realize quick accurate fertilization in the mountain area, and the flexibility is not strong.
Therefore, a more flexible and higher-precision water and fertilizer integration technology is provided in the prior art, the water and fertilizer integration fertilizer mixing mode does not need to adopt a fertilizer mixing barrel, the mixing is carried out in a main pipeline, the mixing can be used immediately, the fertilizer and the water are saved, and the water and fertilizer integration fertilizer mixing device is suitable for the existing intelligent planting industry. Further, in order to improve the accuracy of fertilization, many conventional fertilizer applicators have a concentration detector or other detection means provided in the delivery pipe for detecting the mixed solution for feedback and adjusting the water flow rate and the input amount of the fertilizer to obtain a predetermined concentration. Although the above-mentioned adjustment method adjusts the concentration of the fertilizer solution in the delivery pipe, the following disadvantages still exist:
the adjustment mode is not a synchronous adjustment mode, but a lagging adjustment mode, and only can adjust the solution in the future, but cannot adjust the concentration of the currently detected solution synchronously, so that the currently detected solution which does not meet the requirement is conveyed forwards and output for irrigation, the concentration of the fertilizer liquid in the soil is abnormal, the soil environment is possibly influenced, and the method is not suitable for the normal growth of crops.
Disclosure of Invention
The invention aims to overcome the existing problems and provide a rapid and accurate fertilization system, which can adjust parameters such as the concentration of a fertilizer solution in a conveying pipeline in real time and synchronously, so that fertilization work is more accurate and efficient.
The invention also aims to provide a rapid and accurate fertilization method.
The purpose of the invention is realized by the following technical scheme:
a rapid and accurate fertilization system comprises a water source, a stock solution source, a pipeline network and a detection control module, wherein the pipeline network comprises a main pipeline conveying pipe and a bypass conveying pipe; wherein the content of the first and second substances,
two ends of the main path conveying pipe extend into a water source and an irrigation area respectively, and at least two mixing areas for fully mixing liquid in the main path conveying pipe are arranged on the main path conveying pipe along the conveying direction; the stock solution source is communicated with the main path conveying pipe through a stock solution pipe, and a connecting point at the tail end of the stock solution pipe is positioned between the water source and the first mixing area;
the bypass conveying pipe comprises a stock solution bypass conveying pipe and a water bypass conveying pipe, the head end of the stock solution bypass conveying pipe is connected to a stock solution pipe, and the tail end of the stock solution bypass conveying pipe is connected between two adjacent mixing areas on the main conveying pipe; the water bypass conveying pipe is connected to the main conveying pipe in a bypassing mode, the connection point of the head end of the water bypass conveying pipe is located between the connection points of the water source and the tail end of the stock solution pipe, and the connection point of the tail end of the water bypass conveying pipe is located between two adjacent mixing areas;
the detection control module comprises a sensor and a pipeline control unit, the sensor is used for detecting irrigation parameters of the mixed fertilizer liquid, and the sensor is arranged behind the mixing area and is positioned between the mixing area and a connecting point of the bypass conveying pipe; the pipeline control unit comprises electric pumps, electric ball valves, flowmeters and control processing centers, wherein the electric pumps are provided with two groups and are respectively arranged on the main pipeline conveying pipe and the raw liquid pipe; the electric ball valves and the flow meters are respectively provided with a plurality of groups which are respectively arranged on the main path conveying pipe, the stock solution bypass conveying pipe and the water bypass conveying pipe; the control processing center is electrically connected with the electric pump, the electric ball valve and the flowmeter.
The working principle of the rapid and accurate fertilization system is as follows:
the during operation, set for the numerical value of the irrigation index of irrigating fertilizer liquid at the control processing center, the control processing center sends the instruction of irrigating, open electric pump and electric ball valve on main road conveyer pipe and the stoste pipe, other electric ball valves keep the off-state, the main road conveyer pipe is carried water from the water source toward the irrigation zone, the stoste pipe is carried the stoste to the main road conveyer pipe in, join the back with water and down carry to first mixed area together, during, the flowmeter is measured the flow of each pipeline.
In the first mixing area, water and the stock solution are mixed to be uniformly mixed into the fertilizer solution. And then, the fertilizer liquid is continuously conveyed downwards, when the fertilizer liquid flows through the sensor, the sensor detects various parameter indexes of the mixed fertilizer liquid, such as the conductivity of the fertilizer liquid, the EC value of the fertilizer liquid is reflected, the detected parameters (such as the EC value) are fed back to the control processing center, and the control processing center compares the parameters detected in real time with the set numerical values.
Taking the EC value (concentration) as an example, if the current EC value is within a set numerical range, the main pipeline directly conveys the fertilizer liquid into the irrigation area without adjustment. And if the current EC value is larger than the set value, controlling the treatment center to open an electric ball valve on the water bypass conveying pipe, additionally adding water to dilute the fertilizer liquid, detecting again by a next EC sensor, and repeating the steps until the detected EC value meets the set value, and outputting for irrigation. And if the current EC value is smaller than the set value, the control processing center opens an electric ball valve on the stock solution bypass conveying pipe, additionally adds stock solution to supplement the fertilizer solution, detects the fertilizer solution again by a next EC sensor, and repeats the steps until the detected EC value meets the set value, and then outputs the fertilizer solution for irrigation.
In a preferred embodiment of the present invention, the raw liquid source includes a fertilizer source, and the raw liquid pipe includes a fertilizer injection pipe; the fertilizer source is communicated on the main path conveying pipe through the fertilizer injection pipe, and a connection point at the tail end of the fertilizer injection pipe is positioned between the water source and the first mixing area;
the stock solution bypass conveying pipe comprises a fertilizer bypass conveying pipe, the head end of the fertilizer bypass conveying pipe is connected to the fertilizer injection pipe, and the tail end of the fertilizer bypass conveying pipe is connected between two adjacent mixing areas on the main path conveying pipe;
the sensor comprises an EC sensor for detecting the concentration of the mixed fertilizer liquid, and the EC sensor is arranged behind the mixing area.
Preferably, the fertilizer source and the fertilizer injection pipe are provided with a plurality of fertilizer sources, and different fertilizer sources are used for loading different fertilizers, such as phosphate fertilizers, nitrogen fertilizers and the like.
In a preferred embodiment of the present invention, the raw liquid source comprises an acid source for reducing PH in the fertilizer liquid, and the raw liquid pipe comprises an acid injection pipe; the acid source is communicated with the main pipeline conveying pipe through an acid injection pipe, and a connection point at the tail end of the acid injection pipe is positioned between the water source and the first mixing area;
the stock solution bypass conveying pipe comprises an acid liquor bypass conveying pipe, the head end of the acid liquor bypass conveying pipe is connected to the acid injection pipe, and the tail end of the acid liquor bypass conveying pipe is connected between two adjacent mixing areas on the main conveying pipe;
the sensor is including being used for carrying out the PH sensor that detects to the pH valve of liquid fertilizer, and this PH sensor sets up the rear in mixed area.
In a preferred embodiment of the present invention, the raw liquid source includes an alkali source for increasing PH of the fertilizer liquid, and the raw liquid pipe includes an alkali injection pipe; the alkali source is communicated with the main pipeline conveying pipe through an alkali injection pipe, and a connecting point at the tail end of the alkali injection pipe is positioned between the water source and the first mixing area;
the stock solution bypass conveying pipe comprises an alkali solution bypass conveying pipe, the head end of the alkali solution bypass conveying pipe is connected to the alkali injection pipe, and the tail end of the alkali solution bypass conveying pipe is connected between two adjacent mixing areas on the main pipeline conveying pipe;
the sensor is including being used for carrying out the PH sensor that detects to the pH valve of liquid fertilizer, and this PH sensor sets up the rear in mixed area.
Through above-mentioned structure, can be at the pH value in the fertilizer liquid is carried in real time to the in-process of fertilizer liquid transport, when the fertilizer liquid flows through the pH sensor, the pH sensor detects the pH value of fertilizer liquid after mixing to with the pH value feedback of surveying to the control processing maincenter, the control processing maincenter compares the pH value that detects in real time with the numerical value of settlement. Wherein, if the current PH value is in the set numerical range, the main pipeline delivery pipe directly delivers the fertilizer liquid into the irrigation area without adjustment. And if the current PH value is greater than the set value, controlling the treatment center to open an electric ball valve on the acid liquor bypass conveying pipe, additionally adding acid liquor to neutralize the fertilizer liquor, detecting again by a next PH sensor, and repeating the steps until the detected PH value meets the set value, and outputting for irrigation. If the current PH value is smaller than the set value, the control processing center opens the electric ball valve on the alkali liquor bypass conveying pipe, additionally adds alkali liquor to neutralize the fertilizer liquor, detects the fertilizer liquor again by the next PH sensor, repeats the steps, and outputs the fertilizer liquor for irrigation until the detected PH value accords with the set value.
In a preferred embodiment of the present invention, a stirring device for accelerating stirring is provided in the mixing zone, wherein the specific structure of the stirring device can refer to the structure of the prior art.
A rapid and accurate fertilization method comprises the following steps:
(1) setting a numerical value of an irrigation index of the irrigation fertilizer liquid on the control treatment center;
(2) the control processing center sends out an irrigation instruction, an electric pump and an electric ball valve on the main path conveying pipe and the stock solution pipe are opened, and other electric ball valves are kept in a closed state; the main pipeline conveying pipe conveys water from a water source to an irrigation area, and the stock solution pipe conveys stock solution to the main pipeline conveying pipe, joins with the water and then conveys the stock solution downwards to a first mixing area;
(3) in the first mixing area, water and stock solution are uniformly mixed to form fertilizer solution; the fertilizer liquid is conveyed downwards, the sensor detects the proportioning parameters of the fertilizer liquid flowing through and feeds the detected parameters back to the control processing center, and the control processing center compares the parameters detected in real time with set numerical values;
(4) if the current parameters are within the set numerical range, the fertilizer liquid is directly conveyed into the irrigation area by the main pipeline without being adjusted;
(5) if the current parameter is larger than the set value, the control processing center opens an electric ball valve on a water bypass conveying pipe, water is additionally added to dilute the fertilizer liquid, the next sensor detects the fertilizer liquid again, the detected parameter is fed back to the control processing center again, and the control processing center compares the real-time detected parameter with the set value; carrying out the operation of the step (4), the operation of the step (5) or the operation of the step (6) until the detected irrigation index parameter accords with a set numerical value;
(6) if the current parameter is smaller than the set value, the control processing center opens the electric ball valve on the stock solution bypass conveying pipe, additionally adds stock solution to supplement the fertilizer solution, detects the fertilizer solution again by a next sensor, feeds back the detected parameter to the control processing center again, and compares the real-time detected parameter with the set value; and (5) carrying out the operation of the step (4) or (5) or (6) until the detected irrigation index parameter meets the set value.
In a preferable scheme of the invention, in the step (2), the flow meter measures the flow in the main pipeline conveying pipe and the raw liquid pipe, and feeds the flow back to the control processing center;
in step (5) or (6), the control processing center controls the opening of the current electric ball valve according to the current parameters detected by the sensor and the flow rate in each pipe measured by the flow meter, and gradually adjusts the irrigation parameters in the fertilizer liquid to be within the set numerical range.
In a preferred embodiment of the present invention, in the step (1), the irrigation index includes a concentration and a PH of a fertilizer solution.
Preferably, in the step (5), if the current PH value is greater than the set value, the control center opens the electric ball valve on the acid liquor bypass delivery pipe, additional acid liquor is added to neutralize the fertilizer liquor, and the next PH sensor detects the fertilizer liquor again. Preferably, in the step (6), if the current PH value is less than the set value, the control processing center opens the electric ball valve on the alkali liquor bypass conveying pipe, additionally adds alkali liquor to neutralize the fertilizer liquor, and then detects the fertilizer liquor again by the next PH sensor.
Compared with the prior art, the invention has the following beneficial effects:
1. the rapid and accurate fertilization system is based on an irrigation mode without a mixed fertilizer barrel, water and fertilizer can be directly supplemented to the rear of a mixing area by arranging the bypass conveying pipe, and real-time and synchronous fertilizer liquid concentration adjustment is realized, so that the fertilizer liquid which does not meet the requirement can not be output for irrigation continuously.
2. Set up at least two mixed district to set up the sensor after every mixed district, carry out real-time detection to the fertile liquid after mixing, combine the replenishment of bypass conveyer pipe, progressively adjust the concentration of fertile liquid, make its numerical range that tends to the settlement gradually, ensure that fertile liquid accords with the requirement after, just export and irrigate, have quick and accurate characteristics.
3. Water and fertilizer are evenly mixed fast in the pipeline transportation process, shorten and mix fertile time, can accomplish the ratio to the liquid fertilizer fast according to the value of setting for, improve fertilization efficiency, its simple structure, the suitability is strong.
4. In the conveying process, the fertilizer liquid is regulated, so that the set irrigation time cannot be delayed, and punctuality, accuracy and high efficiency are realized.
Drawings
Fig. 1 is a schematic structural diagram of a rapid and precise fertilization system in the invention.
Detailed Description
In order to make those skilled in the art understand the technical solutions of the present invention well, the following description of the present invention is provided with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1, the fast and accurate fertilization system in this embodiment includes a water source 1, a stock solution source, a pipeline network, and a detection control module, and in this embodiment, the stock solution source includes a fertilizer source 2, an acid source 3, and an alkali source 4, and of course, other substances that affect the growth of plants may be used.
Referring to fig. 1, the pipeline network comprises a main pipeline conveying pipe 5 and a bypass conveying pipe, two ends of the main pipeline conveying pipe 5 respectively extend into a water source 1 and an irrigation area, and at least two mixing areas 6 for fully mixing liquid in the pipes are arranged on the main pipeline conveying pipe 5 along the conveying direction; the stock solution source is communicated with the main path conveying pipe 5 through a stock solution pipe, and the connecting point at the tail end of the stock solution pipe is positioned between the water source 1 and the first mixing area 6.
Referring to fig. 1, the bypass conveying pipe comprises a stock solution bypass conveying pipe and a water bypass conveying pipe 7, wherein the head end of the stock solution bypass conveying pipe is connected to a stock solution pipe, and the tail end of the stock solution bypass conveying pipe is connected between two adjacent mixing areas 6 on a main conveying pipe 5; the water bypass conveying pipe 7 is connected to the main conveying pipe 5 in a bypassing mode, the connecting point of the head end of the water bypass conveying pipe is located between the connecting points of the water source 1 and the tail end of the stock solution pipe, and the connecting point of the tail end of the water bypass conveying pipe is located between the two adjacent mixing areas 6.
Referring to fig. 1, the detection control module comprises a sensor and a pipeline control unit, the sensor is used for detecting irrigation parameters of the mixed fertilizer liquid, and the sensor is arranged behind the mixing area 6 and is positioned between the mixing area 6 and a connection point of the bypass conveying pipe; the pipeline control unit comprises an electric pump 8, an electric ball valve 9, a flowmeter 10 and a control processing center 11 (the control processing center 11 in the embodiment is composed of workstations capable of performing data comparison in the prior art), two electric pumps 8 are arranged and are respectively arranged on the main pipeline conveying pipe 5 and the raw liquid pipe; the electric ball valves 9 and the flow meters 10 are respectively arranged on the main path conveying pipe 5, the stock solution pipe, the stock solution bypass conveying pipe and the water bypass conveying pipe 7; the control processing center 11 is electrically connected with the electric pump 8, the electric ball valve 9 and the flow meter 10. Specifically, in this embodiment, the mixing area 6 and the sensor are provided with two sets, and the same fertilizer liquid segment is sequentially mixed and detected along the conveying direction of the main pipeline conveying pipe 5, and offset proportioning is performed while the fertilizer liquid is conveyed forwards, so that the fertilizer liquid completes adjustment of corresponding irrigation parameters in the main pipeline conveying pipe 5, and irrigation fertilizer liquid meeting requirements is obtained.
Referring to fig. 1, the dope tube includes a fertilizer injection tube 12; wherein, the fertilizer source 2 and the fertilizer injection pipe 12 are both provided with a plurality of fertilizer sources 2, and different fertilizer sources 2 are used for loading different fertilizers, such as phosphate fertilizer, nitrogen fertilizer and the like. The fertilizer source 2 is communicated with the main path conveying pipe 5 through the fertilizer injection pipe 12, and the connection point of the tail end of the fertilizer injection pipe 12 is positioned between the water source 1 and the first mixing area 6; the stock solution bypass conveying pipe comprises a fertilizer bypass conveying pipe 13, the head end of the fertilizer bypass conveying pipe 13 is connected to the fertilizer injection pipe 12, and the tail end of the fertilizer bypass conveying pipe 13 is connected between two adjacent mixing areas 6 on the main pipeline conveying pipe 5; the sensor comprises an EC sensor 14 for detecting the concentration of the mixed fertilizer liquid, and the EC sensor 14 is arranged behind the mixing area 6.
Referring to fig. 1, the stock solution tube includes an acid injection tube 15; the acid source 3 is communicated with the main pipeline conveying pipe 5 through an acid injection pipe 15, and the connection point of the tail end of the acid injection pipe 15 is positioned between the water source 1 and the first mixing area 6; the stock solution bypass conveying pipe comprises an acid solution bypass conveying pipe 16, the head end of the acid solution bypass conveying pipe 16 is connected to the acid injection pipe 15, and the tail end of the acid solution bypass conveying pipe 16 is connected between two adjacent mixing areas 6 on the main conveying pipe 5; the sensor comprises a PH sensor 17 for detecting the pH value of the fertilizer liquid, and the PH sensor 17 is arranged behind the mixing area 6.
Referring to fig. 1, the dope tube includes an alkali injection tube 18; the alkali source 4 is communicated with the main pipeline conveying pipe 5 through an alkali injection pipe 18, and the connection point of the tail end of the alkali injection pipe 18 is positioned between the water source 1 and the first mixing area 6; the stock solution bypass conveying pipe comprises an alkali solution bypass conveying pipe 19, the head end of the alkali solution bypass conveying pipe 19 is connected to the alkali injection pipe 18, and the tail end of the alkali solution bypass conveying pipe 19 is connected between two adjacent mixing areas 6 on the main pipeline conveying pipe 5.
Through above-mentioned structure, can be at the pH value in the fertilizer liquid is carried in real time to the in-process of fertilizer liquid transport, when the fertilizer liquid flows through pH sensor 17, pH sensor 17 detects the pH value of mixing back fertilizer liquid to with the pH value feedback of surveying to control processing maincenter 11, control processing maincenter 11 compares the pH value that detects in real time with the numerical value of settlement, thereby carries out corresponding adjustment.
Specifically, in the present embodiment, a stirring device for accelerating stirring is provided in the mixing zone 6, wherein the specific structure of the stirring device can refer to the structure of the prior art.
Referring to fig. 1, the working principle of the rapid and precise fertilization system in this embodiment is as follows:
during operation, set for the numerical value of the irrigation index of irrigation fertilizer liquid at control processing maincenter 11, control processing maincenter 11 sends the instruction of irrigation, open electric pump 8 and electric ball valve 9 on main road conveyer pipe 5 and the stoste pipe, other electric ball valve 9 keep the off-state, main road conveyer pipe 5 is carried water from water source 1 to irrigation region, the stoste pipe is carried the stoste to main road conveyer pipe 5, join the back with water and down carry to first mixing area 6 together, the period, flowmeter 10 measures the flow of each pipeline.
In the first mixing zone 6, the water and the stock solution are mixed to be uniformly mixed into the fertilizer solution. Then, the fertilizer liquid is continuously conveyed downwards, when the fertilizer liquid flows through the sensor, the sensor detects various parameter indexes of the mixed fertilizer liquid, such as the conductivity of the fertilizer liquid, the EC value of the fertilizer liquid is reflected, the detected parameters (such as the EC value) are fed back to the control processing center 11, and the control processing center 11 compares the parameters detected in real time with the set values.
Taking the EC value as an example, if the current EC value is within the set numerical range, the main pipeline 5 directly transports the fertilizer liquid into the irrigation area without adjustment. If the current EC value is larger than the set value, the control processing center 11 opens the electric ball valve 9 on the water bypass delivery pipe 7, additional water is added to dilute the fertilizer liquid, the next EC sensor 14 detects the fertilizer liquid again, the steps are repeated, and the fertilizer liquid is output for irrigation until the detected EC value meets the set value. If the current EC value is smaller than the set value, the control processing center 11 opens the electric ball valve 9 on the fertilizer bypass conveying pipe 13, additionally adds the stock solution to supplement the fertilizer solution, and then detects again by the next EC sensor 14, and repeats the steps until the detected EC value meets the set value, and then outputs the EC value for irrigation.
Referring to fig. 1, the method for rapid and precise fertilization in the present embodiment includes the following steps:
(1) and setting the numerical value of the irrigation indexes of the irrigation fertilizer liquid on the control treatment center 11, wherein the irrigation indexes comprise the concentration and the pH value of the fertilizer liquid.
(2) The control processing center 11 sends out an irrigation instruction, the main pipeline delivery pipe 5 and the electric pump 8 and the electric ball valve 9 on the stock solution pipe are opened, and other electric ball valves 9 are kept in a closed state; main road conveyer pipe 5 carries water from water source 1 to irrigation area, and the stoste pipe carries the stoste to main road conveyer pipe 5 in, joins the back with water and down carries to first mixing area 6 together.
(3) Taking the adjustment of the pH value as an example, in the first mixing zone 6, water and the stock solution are uniformly mixed to form a fertilizer solution; the fertilizer liquid is conveyed downwards, the pH sensor 17 detects the pH value of the fertilizer liquid flowing through and feeds back the detected parameters to the control processing center 11, and the control processing center 11 compares the real-time detected pH value with a set numerical value.
(4) If the current PH value is within the set numerical range, the main pipeline 5 directly conveys the fertilizer liquid into the irrigation area without adjustment.
(5) If the current PH value is larger than the set value, the control processing center 11 opens the electric ball valve 9 on the acid liquor bypass conveying pipe 16, acid liquor is additionally added to neutralize the fertilizer liquor, the next PH sensor 17 detects the fertilizer liquor again, the detected PH value is fed back to the control processing center 11 again, and the control processing center 11 compares the real-time detected PH value with the set value; and (5) performing the operation of the step (4) or (5) or (6) until the detected PH value meets the set value.
(6) If the current PH value is smaller than the set value, the control processing center 11 opens the electric ball valve 9 on the alkali liquor bypass conveying pipe 19, additionally adds alkali liquor to neutralize the fertilizer liquor, detects the fertilizer liquor again by the next PH sensor 17, feeds back the detected PH value to the control processing center 11 again, and compares the real-time detected PH value with the set value by the control processing center 11; and (5) performing the operation of the step (4) or (5) or (6) until the detected PH value meets the set value.
Specifically, in step (2), the flow meter 10 measures the flow rates in the main pipe 5 and the raw liquid pipe, and feeds back the measured flow rates to the control processing center 11. In step (5) or (6), the control processing center 11 controls the current opening of the electric ball valve 9 according to the current parameters detected by the sensor and the flow rate in each pipe measured by the flow meter 10, and gradually adjusts the irrigation parameters in the fertilizer liquid to be within the set value range.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims (10)

1. A rapid and accurate fertilization system is characterized by comprising a water source, a stock solution source, a pipeline network and a detection control module, wherein the pipeline network comprises a main pipeline conveying pipe and a bypass conveying pipe; wherein the content of the first and second substances,
two ends of the main path conveying pipe extend into a water source and an irrigation area respectively, and at least two mixing areas for fully mixing liquid in the main path conveying pipe are arranged on the main path conveying pipe along the conveying direction; the stock solution source is communicated with the main path conveying pipe through a stock solution pipe, and a connecting point at the tail end of the stock solution pipe is positioned between the water source and the first mixing area;
the bypass conveying pipe comprises a stock solution bypass conveying pipe and a water bypass conveying pipe, the head end of the stock solution bypass conveying pipe is connected to a stock solution pipe, and the tail end of the stock solution bypass conveying pipe is connected between two adjacent mixing areas on the main conveying pipe; the water bypass conveying pipe is connected to the main conveying pipe in a bypassing mode, the connection point of the head end of the water bypass conveying pipe is located between the connection points of the water source and the tail end of the stock solution pipe, and the connection point of the tail end of the water bypass conveying pipe is located between two adjacent mixing areas;
the detection control module comprises a sensor and a pipeline control unit, the sensor is used for detecting irrigation parameters of the mixed fertilizer liquid, and the sensor is arranged behind the mixing area and is positioned between the mixing area and a connecting point of the bypass conveying pipe; the pipeline control unit comprises electric pumps, electric ball valves, flowmeters and control processing centers, wherein the electric pumps are provided with two groups and are respectively arranged on the main pipeline conveying pipe and the raw liquid pipe; the electric ball valves and the flow meters are respectively provided with a plurality of groups which are respectively arranged on the main path conveying pipe, the stock solution bypass conveying pipe and the water bypass conveying pipe; the control processing center is electrically connected with the electric pump, the electric ball valve and the flowmeter.
2. The system for rapid precision fertilization according to claim 1, wherein the source of raw liquid comprises a fertilizer source, the raw liquid tube comprises a fertilizer injection tube; the fertilizer source is communicated on the main path conveying pipe through the fertilizer injection pipe, and a connection point at the tail end of the fertilizer injection pipe is positioned between the water source and the first mixing area;
the stock solution bypass conveying pipe comprises a fertilizer bypass conveying pipe, the head end of the fertilizer bypass conveying pipe is connected to the fertilizer injection pipe, and the tail end of the fertilizer bypass conveying pipe is connected between two adjacent mixing areas on the main path conveying pipe;
the sensor comprises an EC sensor for detecting the concentration of the mixed fertilizer liquid, and the EC sensor is arranged behind the mixing area.
3. The system for rapid and precise fertilization according to claim 2, wherein the fertilizer source and the fertilizer injection pipe are provided in plurality.
4. The system for rapid precision fertilization according to claim 1 or claim 2, wherein the source of stock solution comprises an acid source for reducing PH in a fertilizer solution, the stock solution tube comprises an acid injection tube; the acid source is communicated with the main pipeline conveying pipe through an acid injection pipe, and a connection point at the tail end of the acid injection pipe is positioned between the water source and the first mixing area;
the stock solution bypass conveying pipe comprises an acid liquor bypass conveying pipe, the head end of the acid liquor bypass conveying pipe is connected to the acid injection pipe, and the tail end of the acid liquor bypass conveying pipe is connected between two adjacent mixing areas on the main conveying pipe;
the sensor is including being used for carrying out the PH sensor that detects to the pH valve of liquid fertilizer, and this PH sensor sets up the rear in mixed area.
5. The system for rapid precision fertilization according to claim 4, wherein the source of raw liquid comprises an alkali source for increasing the pH of a fertilizer liquid, and the raw liquid tube comprises an alkali injection tube; the alkali source is communicated with the main pipeline conveying pipe through an alkali injection pipe, and a connecting point at the tail end of the alkali injection pipe is positioned between the water source and the first mixing area;
the stock solution bypass conveying pipe comprises an alkali solution bypass conveying pipe, the head end of the alkali solution bypass conveying pipe is connected to the alkali injection pipe, and the tail end of the alkali solution bypass conveying pipe is connected between two adjacent mixing areas on the main pipeline conveying pipe;
the sensor is including being used for carrying out the PH sensor that detects to the pH valve of liquid fertilizer, and this PH sensor sets up the rear in mixed area.
6. The system for rapid and precise fertilization according to claim 1, wherein an agitation device for accelerating agitation is provided in the mixing zone.
7. A rapid and accurate fertilization method is characterized by comprising the following steps:
(1) setting a numerical value of an irrigation index of the irrigation fertilizer liquid on the control treatment center;
(2) the control processing center sends out an irrigation instruction, an electric pump and an electric ball valve on the main path conveying pipe and the stock solution pipe are opened, and other electric ball valves are kept in a closed state; the main pipeline conveying pipe conveys water from a water source to an irrigation area, and the stock solution pipe conveys stock solution to the main pipeline conveying pipe, joins with the water and then conveys the stock solution downwards to a first mixing area;
(3) in the first mixing area, water and stock solution are uniformly mixed to form fertilizer solution; the fertilizer liquid is conveyed downwards, the sensor detects the proportioning parameters of the fertilizer liquid flowing through and feeds the detected parameters back to the control processing center, and the control processing center compares the parameters detected in real time with set numerical values;
(4) if the current parameters are within the set numerical range, the fertilizer liquid is directly conveyed into the irrigation area by the main pipeline without being adjusted;
(5) if the current parameter is larger than the set value, the control processing center opens an electric ball valve on a water bypass conveying pipe, water is additionally added to dilute the fertilizer liquid, the next sensor detects the fertilizer liquid again, the detected parameter is fed back to the control processing center again, and the control processing center compares the real-time detected parameter with the set value; carrying out the operation of the step (4), the operation of the step (5) or the operation of the step (6) until the detected irrigation index parameter accords with a set numerical value;
(6) if the current parameter is smaller than the set value, the control processing center opens the electric ball valve on the stock solution bypass conveying pipe, additionally adds stock solution to supplement the fertilizer solution, detects the fertilizer solution again by a next sensor, feeds back the detected parameter to the control processing center again, and compares the real-time detected parameter with the set value; and (5) carrying out the operation of the step (4) or (5) or (6) until the detected irrigation index parameter meets the set value.
8. The method for rapid and accurate fertilization according to claim 7, wherein in the step (2), the flow meter measures the flow rates in the main pipeline delivery pipe and the raw liquid pipe and feeds the flow rates back to the control processing center;
in step (5) or (6), the control processing center controls the opening of the current electric ball valve according to the current parameters detected by the sensor and the flow rate in each pipe measured by the flow meter, and gradually adjusts the irrigation parameters in the fertilizer liquid to be within the set numerical range.
9. The method for rapid and precise fertilization according to claim 7, wherein in the step (1), the irrigation indexes comprise the concentration and the pH value of the fertilizer solution.
10. The fast and precise fertilizer application method according to claim 9, wherein in the step (5), if the current PH value is greater than the set value, the control processing center opens the electric ball valve on the acid liquor bypass conveying pipe, additional acid liquor is added to neutralize the fertilizer liquor, and the next PH sensor detects the fertilizer liquor again;
in the step (6), if the current PH value is smaller than the set value, the control processing center opens the electric ball valve on the alkali liquor bypass conveying pipe, additionally adds alkali liquor to neutralize the fertilizer liquor, and then detects the fertilizer liquor again by the next PH sensor.
CN202010510499.6A 2020-06-05 2020-06-05 Rapid and accurate fertilization system and method Pending CN111771500A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113875378A (en) * 2021-09-07 2022-01-04 时新(上海)产品设计有限公司 Method and device for processing material, electronic equipment and storage medium
CN113875377A (en) * 2021-09-07 2022-01-04 时新(上海)产品设计有限公司 Material processor
CN114631421A (en) * 2022-02-25 2022-06-17 南京市蔬菜科学研究所(南京市花卉科学研究所) Uniform-speed and accurate water and fertilizer integrated fertilization system and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2504133A1 (en) * 2002-10-29 2004-05-13 Gary Lewis Fertilising system and method by extracting nitrogen compounds from combustion exhaust gases
US7093606B2 (en) * 2003-07-08 2006-08-22 Roberts Kenneth J Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems
CN102132669A (en) * 2011-01-17 2011-07-27 石河子大学 Accurate drip irrigation and fertilization system
JP2015080438A (en) * 2013-10-22 2015-04-27 株式会社ルートレック・ネットワークス Nutrient solution soil culture system, nutrient solution soil culture control server, nutrient solution soil culture control program, and controller
CN209299722U (en) * 2018-11-14 2019-08-27 山东省农业机械科学研究院 A kind of intelligent and high-efficiency water-fertilizer-pesticide integral system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2504133A1 (en) * 2002-10-29 2004-05-13 Gary Lewis Fertilising system and method by extracting nitrogen compounds from combustion exhaust gases
US7093606B2 (en) * 2003-07-08 2006-08-22 Roberts Kenneth J Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems
CN102132669A (en) * 2011-01-17 2011-07-27 石河子大学 Accurate drip irrigation and fertilization system
JP2015080438A (en) * 2013-10-22 2015-04-27 株式会社ルートレック・ネットワークス Nutrient solution soil culture system, nutrient solution soil culture control server, nutrient solution soil culture control program, and controller
CN209299722U (en) * 2018-11-14 2019-08-27 山东省农业机械科学研究院 A kind of intelligent and high-efficiency water-fertilizer-pesticide integral system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113875378A (en) * 2021-09-07 2022-01-04 时新(上海)产品设计有限公司 Method and device for processing material, electronic equipment and storage medium
CN113875377A (en) * 2021-09-07 2022-01-04 时新(上海)产品设计有限公司 Material processor
CN114631421A (en) * 2022-02-25 2022-06-17 南京市蔬菜科学研究所(南京市花卉科学研究所) Uniform-speed and accurate water and fertilizer integrated fertilization system and application thereof

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