CN110122028A - A kind of hydrodynamic force precise proportions fertilizer applicator - Google Patents
A kind of hydrodynamic force precise proportions fertilizer applicator Download PDFInfo
- Publication number
- CN110122028A CN110122028A CN201910463303.XA CN201910463303A CN110122028A CN 110122028 A CN110122028 A CN 110122028A CN 201910463303 A CN201910463303 A CN 201910463303A CN 110122028 A CN110122028 A CN 110122028A
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- Prior art keywords
- fertilizer
- flow
- hydrodynamic force
- precise proportions
- electromagnetic flowmeter
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a kind of hydrodynamic force precise proportions fertilizer applicators, belong to agricultural equipment technical field, including inducer, outlet section, fertilzer sucking pipe, single-chip microcontroller and Venturi tube;Flow regulator and electromagnetic flowmeter are equipped on the inducer and fertilzer sucking pipe;The single-chip microcontroller is connected with first flow adjuster, second flow adjuster, first flow adjuster and second flow adjuster respectively, monitors and control flow in inducer and fertilzer sucking pipe;The inducer is connected with outlet section by Venturi tube;The Venturi tube includes inducer, contraction section, venturi and diffuser.When water flow flows through Venturi tube contraction section, negative pressure can be generated in throat section, solution is formed biphase gas and liquid flow, while realizing automatic suction fertilizer process, solution and water are sufficiently mixed with air by mixing in intake line with water.The present invention is accurate with fertilising, fertilizer solution concentration is adjustable, advantages of simple structure and simple, while easy to operate, has objective economic benefit.
Description
Technical field
The present invention relates to hydrodynamic force precise proportions fertilizer applicators, and especially one kind is suitable for water-fertilizer integral irrigation system.
Background technique
Chemical fertilizer is the material guarantee of agricultural sustainable development, is the material base of increases in grain production.According to statistics, 1996~2009
Nian Jian, China's fertilizer application amount increases 41.2%, and total output of grain only increases 5.2%, and ever-increasing chemical fertilizer is thrown
Enter not continue to increase the yield of grain.A major reason for leading to this phenomenon is that chemical fertilizer utilization ratio reduction causes to increase production
Effect decline.China has become chemical fertilizer big country, is not chemical fertilizer power, although in terms of traditional fertilizer kind and the world is without big
Gap, but chemical fertilizer utilization ratio still has larger gap compared with developed countries.
Present Fertilizer Market mainly based on complete molten, instant, fast scattered fertilizer variety, exacerbates waste and the stream of fertilizer
It loses.Common quick-acting fertilizer fertilizer efficiency period is short, must just be able to satisfy the crop entire puberty to feeding by multiple top dressing in production
The demand divided.This not only takes a lot of work, and increases fertilising cost, and top application fertilizer loss amount is big when top dressing, fertilizer efficiency is substantially reduced, it is difficult to
Play the yield increasing effect of fertilizer.
The Integration of Water into Fertilizer refers to the new agricultural technology that irrigation and fertilising combine together.Water-fertilizer integral is by pressure
System (or landform natural-drop) is advised soluble solids or liquid fertilizer by the need fertilizer of soil nutrient content and crop species
Rule and feature, the solution dissolved are supplied water, fertilizer together with irrigation water by pipe-line system.Liquid manure Xiang Ronghou, by pipeline and
Water dropper forms trickle irrigation, uniformly, timing, quantitatively infiltrates crop root development growth region, main root soil is made to remain thin
Pine and suitable water content;It is carried out simultaneously according to the nutrient uptake feature of different crops, soil environment and Nutrient Concentration Status different
The Demand Design of breeding time at regular time and quantity moisture, nutrient is supplied directly to crop in proportion, has utilization rate of fertilizer high
Feature.
" a kind of precision irrigation fertilization system of torrid zone flowers ", " precise proportions fertilizer applicator adjuster ", the two utilize system
Circuit by the flow of control solution and water to achieve the purpose that precision fertilizing, but exists and needs external impetus by solution
The problem of being mixed in pressure pipeline with water.
The present invention devises a kind of hydrodynamic force precise proportions fertilizer applicator, and Venturi tube is combined with control system, benefit
With the attached wall of the jet stream of water flow and Involving velocity, solution and air are automatically drawn into pipeline, uniformly mixed gas-liquid two-phase is formed
Stream, while fertilizer solution concentration is changed according to plant growth demand, to achieve the purpose that precise proportions apply fertilizer.
Summary of the invention
The present invention is to increase air entry on the basis of Venturi tube single suction mouth, is generated using venturi throat
Negative pressure is automatically drawn into solution and air, forms biphase gas and liquid flow in the duct.Flowmeter, single-chip microcontroller accurately monitor and control simultaneously
Fertilizer solution concentration in tubing giving sufficient strength carries out different bearing according to the nutrient uptake feature of different crops, soil environment and Nutrient Concentration Status
The Demand Design of phase, moisture, nutrient is quantitative, it is supplied directly to crop in proportion, is provided for crops uniformly mixed, quantitative
Liquid manure mixed liquor has the advantages that utilization rate of fertilizer is high, saves cost, protection environment.
In order to reach the goals above, the scheme that the present invention takes is:
A kind of hydrodynamic force precise proportions fertilizer applicator, including air intake duct, fertilzer sucking pipe, Venturi tube and single-chip microcontroller;The text mound
In pipe include import straight pipe, contraction section, venturi, diffuser and outlet straight pipe;The import straight pipe is connected to inlet tube,
Fertilzer sucking pipe and air intake duct are communicated on venturi.
Further, first flow adjuster and the first electromagnetic flowmeter are provided on the inlet tube;It is described first-class
Amount adjuster, the first electromagnetic flowmeter are connect by conducting wire with single-chip microcontroller.
Further, second flow adjuster and the second electromagnetic flowmeter are provided on the fertilzer sucking pipe;The second
Amount adjuster and the second electromagnetic flowmeter are connect by conducting wire with single-chip microcontroller.
Further, the single-chip microcontroller is connected with PC machine.
Further, the first vortex impellers and second eddy current impeller are provided in the outlet straight pipe.
Further, first pressure gauge and the is respectively arranged on first electromagnetic flowmeter and the second electromagnetic flowmeter
Two pressure gauges.
Further, the other end of the fertilzer sucking pipe is connected with solution case.
Further, first vortex impellers are identical as second eddy current blade wheel structure, and installation direction is opposite.
Further, the air intake duct other end is connected with air.
The beneficial effects of the present invention are:
(1) have a wide range of application, can be adapted in all water-fertilizer integral irrigation systems.
(2) on the basis of Venturi tube single suction mouth, increase an air intake duct, so that the air entry in air intake duct utilizes gas
Pressure difference is automatically drawn into solution and air respectively, forms biphase gas and liquid flow, is not necessarily to exterior power.
(3) how the water flow and pressure for no matter flowing into pipeline change, the solution dosage of injection always with flow into water pipe
Water is accurate easy at fixed proportion.
(4) water flow turbulent fluctuation in pipeline is strong, and solution mixing is sufficiently, uniformly.
(5) environment is protected, the present invention can reduce pollution of the chemical fertilizer to environment by Reasonable Regulation And Control.
(6) resistance to corrosion is strong, increases water adding system service life.
Detailed description of the invention
Fig. 1 is ratio fertilizer applicator schematic diagram;
Fig. 2 is the Venturi tube schematic diagram being related in Fig. 1;
Fig. 3 is the first vortex impellers schematic diagram being related in Fig. 1;
Fig. 4 is the second eddy current impeller schematic diagram being related in Fig. 1.
Appended drawing reference is as follows:
1. inlet tube;2. first flow adjuster;3. single-chip microcontroller;4.PC machine;5. first pressure gauge;6. the first Electromagnetic Flow
Meter;7. second flow adjuster;8. the second electromagnetic flowmeter;9. second pressure gauge;10. solution case;11. fertilzer sucking pipe;12. outlet
Straight pipe;13. Venturi tube;14. air intake duct;15. the first vortex impellers;16. second eddy current impeller;17. venturi;18. diffusion
Section;19. contraction section;20. import straight pipe.
Specific embodiment
To be understood the present invention is further, it is described further now in conjunction with attached drawing:
A kind of hydrodynamic force precise proportions fertilizer applicator, including Venturi tube 13, single-chip microcontroller 3, PC machine 4 and fertilzer sucking pipe 11;It is described
Venturi tube 13 includes import straight pipe 20, contraction section 19, venturi 17, diffuser 18 and outlet straight pipe 12;The outlet is straight
The first vortex impellers 15 and second eddy current impeller 16 are set in pipeline section 12;Described 11 one end of fertilzer sucking pipe is connected with venturi 17, fertilzer sucking pipe
11 are equipped with second flow adjuster 7, the second electromagnetic flowmeter 8 and second pressure gauge 9, are in addition connected with solution case 10 for one section;
The single-chip microcontroller 3 respectively with first flow adjuster 2, second flow adjuster 7, the first electromagnetic flowmeter 6 and the second electromagnetic current
Meter 8 is connected;The PC machine 4 is connected with single-chip microcontroller 3;The import straight pipe 20 respectively with 13 phase of external water source and Venturi tube
Even;The outlet straight pipe 12 is connected with Venturi tube 13 and irrigation pipe network respectively.
The inlet tube 1 is equipped with first flow adjuster 2 and the first electromagnetic flowmeter 6;Fertilzer sucking pipe 11 is equipped with second
Flow regulator 7 and the second electromagnetic flowmeter 8.
The first pressure gauge 5 monitors 6 water flow pressure of the first electromagnetic flowmeter, and second pressure gauge 9 monitors the second electromagnetic current
8 water flow pressure of meter.
First electromagnetic flowmeter 6 and the second electromagnetic flowmeter 8, first flow adjuster 2 and second flow adjuster
7, first pressure gauge 5 is identical with 9 structural behaviour of second pressure gauge.
First vortex impellers 15 are identical with 16 structural behaviour of second eddy current impeller, and installation direction is opposite.
The PC machine 4 can show real-time traffic, pressure and outlet straight pipe in import straight pipe 20 and fertilzer sucking pipe 11
12 fertilizer solution concentrations, and required different fertilizer solution concentrations can be inputted.
The course of work:
When water flow flows through Venturi tube contraction section, negative pressure can be generated in throat section, solution and air are passed through into suction line
It is mixed in road with water, forms biphase gas and liquid flow, while realizing automatic suction fertilizer process, solution and water are sufficiently mixed.The present invention
With applying fertilizer, accurate, fertilizer solution concentration is adjustable, advantages of simple structure and simple, while easy to operate, has objective economic benefit:
In conjunction with attached drawing 1 and attached drawing 2, when external water source flows into inlet tube 1, the first electromagnetic flowmeter 6 and first pressure gauge 5
It can show flow rate of water flow and pressure, and data are passed in single-chip microcontroller 3;Water flow continues to flow, and passes through the receipts of Venturi tube 13
When contracting section 19, due to the attached wall of the jet stream of water flow and Involving velocity, there are negative pressuren zones at venturi 17 for water flow;It is equipped with below venturi 17
Fertilzer sucking pipe 11,11 one end of fertilzer sucking pipe are connected with solution case 10, and there are pressure differences at fertilzer sucking pipe 11 both ends, and then solution is in ambient atmosphere
Under pressure effect, diffuser 18 is automatically flowed into, completes the fertile process of automatic suction;Air intake duct 14 is equipped with above venturi 17, due to venturi 17
There are pressure differences with atmospheric pressure, therefore air can be automatically drawn into pipeline;Solution, air are mixed with water flow in outlet section 12
Afterwards, a large amount of bubbles are contained in the mixed liquor of formation biphase gas and liquid flow, solution and water, solution is enough sufficiently mixed with water energy, and is flowed into
It exports in straight pipe 12.It when mixed liquor passes through the first vortex impellers 15, is rotated clockwise, when mixed liquor passes through second
When vortex impellers 16, opposite direction (i.e. counterclockwise) rotation is carried out.
When solution flows into venturi 17 from solution case 10, the second electromagnetic flowmeter 8 shows solution flow velocity with second pressure gauge 9
With pressure, and data are passed in single-chip microcontroller 3;The number of single-chip microcontroller 3 comprehensive first electromagnetic flowmeter 6 and the second electromagnetic flowmeter 8
According to calculating the concentration of solution in outlet section 12, and data are shown in PC machine 4.
In addition, if according to Different Crop demand and growth cycle demand, it, can be by institute when needing the solution of various concentration
Need fertilizer solution concentration input PC machine 4 on, instruction is passed in single-chip microcontroller 3 by PC machine, single-chip microcontroller 3 by first flow adjuster 2 with
Second flow adjuster 7 controls in inducer 1 solution flow velocity in the flow velocity Yu fertilzer sucking pipe 11 of water flow respectively, finally by outlet section 12
The concentration of middle solution is controlled in required concentration value.
Assuming that needing concentration is N cubic metres of solution of W, it is V that the first electromagnetic flowmeter 6, which monitors water velocity,1(m3/ s), into
Mouth 20 sectional area of straight pipe is A1(m2), it is V that the second electromagnetic flowmeter 8, which monitors solution flow velocity,2(m3/ s), 11 sectional area of fertilzer sucking pipe
For A2(m2), fertilization time t, then fertilizer solution concentration calculation formula are as follows:
Capacity N calculation formula are as follows: N=(V1A1+V2A2)×t
Due to A1With A2For constant, single-chip microcontroller 3 passes through control water velocity V1With solution flow velocity V2Reach required fertilizer solution concentration
W reaches fertilising capacity N by controlling fertilization time t.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of hydrodynamic force precise proportions fertilizer applicator, which is characterized in that including air intake duct (14), fertilzer sucking pipe (11), Venturi tube
(13) and single-chip microcontroller (3);The Venturi tube (13) includes import straight pipe (20), contraction section (19), venturi (17), diffuser
(18) and straight pipe (12) are exported;The import straight pipe (20) is connected to inlet tube (1), and venturi is communicated with fertilzer sucking pipe on (17)
(11) and air intake duct (14).
2. hydrodynamic force precise proportions fertilizer applicator according to claim 1, which is characterized in that be arranged on the inlet tube (1)
There are first flow adjuster (2) and the first electromagnetic flowmeter (6);The first flow adjuster (2), the first electromagnetic flowmeter
(6) it is connect by conducting wire with single-chip microcontroller (3).
3. hydrodynamic force precise proportions fertilizer applicator according to claim 1, which is characterized in that be arranged on the fertilzer sucking pipe (11)
There are second flow adjuster (7) and the second electromagnetic flowmeter (8);The second flow adjuster (7) and the second electromagnetic flowmeter
(8) it is connect by conducting wire with single-chip microcontroller (3).
4. according to the described in any item hydrodynamic force precise proportions fertilizer applicators of Claims 2 or 3, which is characterized in that the single-chip microcontroller
(3) it is connected with PC machine (4).
5. hydrodynamic force precise proportions fertilizer applicator according to claim 1, which is characterized in that in the outlet straight pipe (12)
It is provided with the first vortex impellers (15) and second eddy current impeller (16).
6. hydrodynamic force precise proportions fertilizer applicator according to claim 4, which is characterized in that first electromagnetic flowmeter
(6) and first pressure gauge (5) and second pressure gauge (9) are respectively arranged on the second electromagnetic flowmeter (8).
7. hydrodynamic force precise proportions fertilizer applicator according to claim 1, which is characterized in that the fertilzer sucking pipe (11) it is another
End is connected with solution case (10).
8. hydrodynamic force precise proportions fertilizer applicator according to claim 5, which is characterized in that first vortex impellers (15)
Identical as second eddy current impeller (16) structure, installation direction is opposite.
9. hydrodynamic force precise proportions fertilizer applicator according to claim 1, which is characterized in that air intake duct (14) other end
It is connected with air.
Priority Applications (1)
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CN201910463303.XA CN110122028A (en) | 2019-05-30 | 2019-05-30 | A kind of hydrodynamic force precise proportions fertilizer applicator |
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CN201910463303.XA CN110122028A (en) | 2019-05-30 | 2019-05-30 | A kind of hydrodynamic force precise proportions fertilizer applicator |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111066439A (en) * | 2019-12-31 | 2020-04-28 | 石河子大学 | Water, fertilizer, gas and heat integrated irrigation system |
CN111366200A (en) * | 2020-03-11 | 2020-07-03 | 中国农业科学院农业环境与可持续发展研究所 | Working parameter calculation method and irrigation matching method of Venturi gas filling device |
CN111699807A (en) * | 2020-05-06 | 2020-09-25 | 石河子大学 | Liquid manure gas heat irrigation equipment |
CN112791657A (en) * | 2021-04-08 | 2021-05-14 | 山东华通环境科技股份有限公司 | High-efficient muddy water mixing arrangement |
CN113405613A (en) * | 2021-06-21 | 2021-09-17 | 鲁东大学 | Device and method for measuring volume flow value of gas-liquid two-phase flow of aeration drip irrigation system |
CN115650474A (en) * | 2022-09-28 | 2023-01-31 | 西北农林科技大学 | Low-energy-consumption magnetization processing device and method for relieving blockage of emitter of drip irrigation system |
CN116686521A (en) * | 2023-08-08 | 2023-09-05 | 安徽省农业科学院园艺研究所 | Quantitative fertilizer injection unit of melon seedling culture |
CN117207054A (en) * | 2023-11-09 | 2023-12-12 | 靖江市长源液压机械有限公司 | Ball grinder for multiway valve with piece self-cleaning function |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111066439A (en) * | 2019-12-31 | 2020-04-28 | 石河子大学 | Water, fertilizer, gas and heat integrated irrigation system |
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CN111366200A (en) * | 2020-03-11 | 2020-07-03 | 中国农业科学院农业环境与可持续发展研究所 | Working parameter calculation method and irrigation matching method of Venturi gas filling device |
CN111366200B (en) * | 2020-03-11 | 2021-06-29 | 中国农业科学院农业环境与可持续发展研究所 | Working parameter calculation method and irrigation matching method of Venturi gas filling device |
CN111699807A (en) * | 2020-05-06 | 2020-09-25 | 石河子大学 | Liquid manure gas heat irrigation equipment |
CN112791657A (en) * | 2021-04-08 | 2021-05-14 | 山东华通环境科技股份有限公司 | High-efficient muddy water mixing arrangement |
CN113405613A (en) * | 2021-06-21 | 2021-09-17 | 鲁东大学 | Device and method for measuring volume flow value of gas-liquid two-phase flow of aeration drip irrigation system |
CN115650474A (en) * | 2022-09-28 | 2023-01-31 | 西北农林科技大学 | Low-energy-consumption magnetization processing device and method for relieving blockage of emitter of drip irrigation system |
CN116686521A (en) * | 2023-08-08 | 2023-09-05 | 安徽省农业科学院园艺研究所 | Quantitative fertilizer injection unit of melon seedling culture |
CN117207054A (en) * | 2023-11-09 | 2023-12-12 | 靖江市长源液压机械有限公司 | Ball grinder for multiway valve with piece self-cleaning function |
CN117207054B (en) * | 2023-11-09 | 2024-03-12 | 靖江市长源液压机械有限公司 | Ball grinder for multiway valve with piece self-cleaning function |
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Application publication date: 20190816 |