CN109287243A - A kind of anticlogging fertigation system and method - Google Patents
A kind of anticlogging fertigation system and method Download PDFInfo
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- CN109287243A CN109287243A CN201811398559.9A CN201811398559A CN109287243A CN 109287243 A CN109287243 A CN 109287243A CN 201811398559 A CN201811398559 A CN 201811398559A CN 109287243 A CN109287243 A CN 109287243A
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- hydraulic pressure
- water flow
- water
- main pipeline
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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
- A01C23/042—Adding fertiliser to watering systems
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
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- Fertilizing (AREA)
Abstract
The present invention relates to a kind of anticlogging fertigation system and methods, system includes irrigation mechanism, fertilizing mechanism, testing agency and control mechanism, irrigation mechanism includes main pipeline, the a plurality of lateral that the water pump of main pipeline water inlet is arranged in and connect with main pipeline water outlet is additionally provided with booster pump or electric control valve in main pipeline water outlet end；Testing agency includes that the water outlet of every lateral is arranged in be used to detect the water flow sensing unit or hydraulic pressure sensor of water outlet water flow or hydraulic pressure, and control mechanism is connect with booster pump or electric control valve and water flow sensing unit or hydraulic pressure sensor respectively.The present invention judges the stopping state of lateral by the water flow value or hydraulic pressure value of water flow sensing unit or the water outlet of hydraulic pressure sensor acquisition lateral, and by booster pump or electric control valve regulating water flow or hydraulic pressure, so that the lateral of blocking be dredged.
Description
Technical field
The present invention relates to reading intelligent agriculture production field, in particular to a kind of anticlogging fertigation system and method.
Background technique
China also implies that it is to use water big country, and water resources in china is extremely short, water resource as large agricultural country
Crisis has become the important factor for restricting sustainable economic development.Agricultural water waste in China's is serious, water efficiency of irrigation
It is low, therefore the road of scientific and technological Water-saving Agriculture is walked to realize the reasonable utilization of water resource, water resource can be not only saved, it is prior
It is that agricultural water efficiency can be improved, saves human cost, improve the ecological environment, this is the key that realize China's accurate agricultural.
In process of agriculture modernization, intensive industrialized agriculture flourishes, and wherein Novel irrigation mode is state key support direction,
Such as trickle irrigation, infiltrating irrigation, slight irrigation have and save water resource, save labour turnover, water-fertilizer integral mode improves utilization rate of fertilizer etc.
Plurality of advantages.
In the Novel irrigations mode use process such as trickle irrigation, water for irrigation and fertilizer are to pass through pipeline after fertilizer mixing station prepares
It is transported near plant, and is instilled in plant root surrounding soil by micropore, in the process, pipeline is by various shadows
It rings, the fertilizer of bulky grain does not melt, and deposition is in the duct or prolonged use makes inner wall of the pipe fouling, will cause
Pipeline drift diameter reduces, or even blocking capillary micropore, to keep field liquid manure unbalanced, local crop failure even has no harvest, significantly
Affect the normal work of drip irrigation system.There are problems, convention resolution method is to use pickling pipeline, such as hydrochloric acid, nitric acid,
This method is merely able to solve the problems, such as a part of, and effect is unstable, but also brings other harm, such as soil acidification,
Concentration control is bad to be also easy to burn root, influences soil quality.
Summary of the invention
The present invention is to overcome the shortcomings of described in the above-mentioned prior art, provides a kind of anticlogging fertigation system and side
Method.
In order to solve the above technical problems, technical scheme is as follows:
A kind of anticlogging fertigation system, including irrigation mechanism, fertilizing mechanism, testing agency and control mechanism, the filling
Irrigating mechanism includes the main pipeline connecting with water source, is arranged in the water pump of main pipeline water inlet and connect with main pipeline water outlet
A plurality of lateral is additionally provided with booster pump or electric control valve in the main pipeline water outlet end；The fertilizing mechanism includes setting
The fertilizer spreading tank connecting above the main pipeline with the main pipeline is set, the testing agency includes being arranged in every branch
The water outlet of pipeline is used to detect the water flow sensing unit or hydraulic pressure sensor of water outlet water flow or hydraulic pressure, the control machine
Structure is connect with the booster pump or electric control valve and water flow sensing unit or hydraulic pressure sensor respectively, and the control mechanism is according to institute
The detection signal for stating water flow sensing unit or hydraulic pressure sensor is controlled to be responsible for described in the booster pump or motorized adjustment valve regulation and be said
Mouth of a river hydraulic pressure or water flow.
Further, as optimal technical scheme, the fertilizing mechanism further includes the storing material that fertilizer spreading tank upper end is arranged in
It struggles against and the first filtering meshes in the fertilizer spreading tank and being located at below the storing hopper is set, in first filter screen
Layer is equipped with vibrating mass, and the vibrating motor connecting with the vibrating mass is externally provided in the fertilizer spreading tank.
Further, as optimal technical scheme, the peace for installing first filtering meshes is equipped in the fertilizer spreading tank
Tankage is equipped with the notch that can take out first filtering meshes on the fertilizer spreading tank where the mounting groove.
Further, as optimal technical scheme, it is equipped with matching hopper cover in storing hopper upper end, in institute
The fertilizer output channel that the lower end of fertilizer spreading tank is equipped with discharge port and connect respectively with the discharge port and main pipeline is stated, in institute
It states discharge outlet and is equipped with the first control valve connecting with the control mechanism.
Further, as optimal technical scheme, fertilizer sensor, the fertilizer sensing are additionally provided in the discharge outlet
Device is connect with the control mechanism.
Further, as optimal technical scheme, it is connected with water dropper in the water outlet of every lateral, described
The water outlet junction of water dropper and the lateral is equipped with dismountable second filtering meshes.
Further, it as optimal technical scheme, is filtered in the water outlet of the main pipeline equipped with dismountable third
Stratum reticulare；In the second control valve that the water outlet of the main pipeline is equipped with water meter and connect with the control mechanism.
It further, further include indication mechanism as optimal technical scheme, the indication mechanism and the control mechanism connect
It connects.
A kind of anticlogging fertigation method is based on anticlogging fertigation system, and the method includes walking as follows
It is rapid:
S10. start fertigation, open irrigation mechanism；
S20. the water flow value of each lateral water outlet of irrigation mechanism is obtained by water flow sensing unit or hydraulic pressure sensor
Or hydraulic pressure value；
S30. the mean value of the water flow value or hydraulic pressure value that will acquire is compared with preset water flow value or hydraulic pressure value, when obtaining
When the mean value of the water flow value or hydraulic pressure value that take is less than certain threshold value of preset water flow value or hydraulic pressure value, irrigation mechanism is judged
The blocking of each lateral, open booster pump or electric control valve certain time with pass blocking, return step S20；Otherwise, opening is applied
Fertile mechanism 2；
S40. fertigation terminates, and first closes fertilizing mechanism, executes step S20, until being sensed by water flow sensing unit or hydraulic pressure
The water flow value of each lateral water outlet for the irrigation mechanism that device obtains or the mean value of hydraulic pressure value are in preset water flow value
Or when in certain threshold value of hydraulic pressure value, turn off irrigation mechanism.
Further, as optimal technical scheme, certain threshold value setting range is 30-50%；The certain time sets
It is set at least 5min
Compared with prior art, the beneficial effect of technical solution of the present invention is:
The present invention obtains the water flow value or hydraulic pressure value of the water outlet of lateral by water flow sensing unit or hydraulic pressure sensor
To judge the stopping state of lateral, and by booster pump or electric control valve regulating water flow or hydraulic pressure, thus will blocking
Lateral dredging, it is simple and convenient, save resource.
Detailed description of the invention
Fig. 1 is fertigation system construction drawing of the present invention.
Fig. 2 is fertigation method and step flow chart of the present invention.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention are more
It is easily readily appreciated by one skilled in the art, to make apparent define to protection scope of the present invention.
Embodiment 1
A kind of anticlogging fertigation system includes irrigation mechanism 1, fertilizing mechanism 2, testing agency 3, control as shown in Figure 1:
Mechanism 4 and the indication mechanism 5 connecting with control mechanism 4, irrigation mechanism 1 include the main pipeline 12 connecting with water source 11, and setting exists
The water pump 13 of 12 water inlet of main pipeline and a plurality of lateral 14 connecting with 12 water outlet of main pipeline are discharged in main pipeline 12
Mouth end is additionally provided with booster pump or electric control valve 15；It is connected with water dropper 16 in the water outlet of every lateral 14, in water dropper 16
Dismountable second filtering meshes are equipped with the water outlet junction of lateral 14；Being equipped in the water outlet of main pipeline 12 can
The third filtering meshes 17 of disassembly；In the second control valve that the water outlet of main pipeline 12 is equipped with water meter and connect with control mechanism 4
18。
Fertilizing mechanism 2 includes the fertilizer spreading tank 21 that 12 top of main pipeline is arranged in and connect with main pipeline 12, is arranged in fertilizer spreading tank
The storing hopper 22 of 21 upper ends and the first filtering meshes 23 for being arranged in fertilizer spreading tank 21 and being located at below storing hopper 22,
First filtering meshes 23 are equipped with vibrating mass 24, and the vibrating motor 25 connecting with vibrating mass 24 is externally provided in fertilizer spreading tank 21.It is storing up
Expect 22 upper end of hopper be equipped with matching hopper cover 26, the lower end of fertilizer spreading tank 21 be equipped with discharge port and respectively with discharge port
And the fertilizer output channel 29 that main pipeline 12 connects, the first control valve 27 connecting with control mechanism 4 is equipped in discharge outlet.
It is additionally provided with fertilizer sensor 28 in discharge outlet, fertilizer sensor 28 is connect with control mechanism 4.Installation is equipped in fertilizer spreading tank 21
The mounting groove of first filtering meshes 23, the first filtering meshes 23 can be taken out by being equipped on the fertilizer spreading tank 21 where mounting groove
Notch.The fertilizing mechanism 2 drives vibrating mass 24 to vibrate by vibrating motor 25, so that the first filtering meshes 23 are vibrated, so that
Impurity is filtered out under the action of first filtering meshes 23 of the fertilizer entered in fertilizer spreading tank 21 from storing hopper 22, while can also be made
The fertilizer of bulk crushes in vibration processes, ensure that the quality of the fertilizer flowed out from fertilizer spreading tank 21.
Testing agency 3 includes that the water outlet of every lateral 14 is arranged in for detecting water outlet water flow or water
The water flow sensing unit or hydraulic pressure sensor of pressure, control mechanism 4 respectively with booster pump or electric control valve 15 and water flow sensing unit or
Hydraulic pressure sensor connection, control mechanism 4 control booster pump or electronic according to the detection signal of water flow sensing unit or hydraulic pressure sensor
Regulating valve 15 adjusts 12 water outlet hydraulic pressure of main pipeline or water flow.
In the present embodiment, control mechanism 4 and indication mechanism 5 are mountable on fertilizer spreading tank 21, also mountable in Irrigation Machine
Any position of structure 1 facilitates staff to observe control all right.
Embodiment 2
A kind of anticlogging fertigation method is based on anticlogging fertigation system, as shown in Fig. 2, method includes as follows
Step:
S10. start fertigation, open irrigation mechanism 1；
S20. control mechanism 4 obtains 14 water outlet of each lateral of irrigation mechanism 1 by water flow sensing unit or hydraulic pressure sensor
The water flow value or hydraulic pressure value at place；
S30. the mean value of control mechanism 4 will acquire water flow value or hydraulic pressure value and preset water flow value or hydraulic pressure value carry out
Compare, when the mean value of the water flow value of acquisition or hydraulic pressure value is less than certain threshold value of preset water flow value or hydraulic pressure value, sentences
Each lateral 14 of disconnected irrigation mechanism 1 blocks, and opens booster pump or 15 certain time of electric control valve with pass blocking, return step
S20；Otherwise, fertilizing mechanism 2 is opened.
In the present embodiment, certain threshold value setting range is 30-50%, and specific value can be according to the quantity of lateral 14
And length setting；The increased pressure of same booster pump or 15 institute of electric control valve or water flow velocity are perhaps according to lateral 14
Quantity, length, the endurance of lateral 14 and stopping state setting, lateral 14 is dredged；Certain time sets
It is set at least 5min, perhaps specific data combine the increased pressure of booster pump or 15 institute of electric control valve or water flow velocity, branch
The length and stopping state of pipeline 14 are set.
S40. fertigation terminates, and first closes fertilizing mechanism 2, executes step S20, until passing through water flow sensing unit or water
The water flow value of 14 water outlet of each lateral for the irrigation mechanism 1 that pressure sensor obtains or the mean value of hydraulic pressure value are preset
When in certain threshold value of water flow value or hydraulic pressure value, irrigation mechanism 1 is turned off.
After passing through in irrigation mechanism 1 due to fertilizer, inner wall of the pipe fouling can be made for a long time, therefore, after the completion of fertilising, needed
Clear up main pipeline 12 and each lateral 14 of Xia Gai mechanism 1 again to extend the service life of irrigation mechanism 1.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of anticlogging fertigation system, which is characterized in that including irrigation mechanism (1), fertilizing mechanism (2), detection machine
Structure (3) and control mechanism (4), the irrigation mechanism (1) include the main pipeline (12) connecting with water source (11), are arranged in main pipeline
(12) water pump (13) of water inlet and a plurality of lateral (14) being connect with main pipeline (12) water outlet, in the main pipeline
(12) water outlet end is additionally provided with booster pump or electric control valve (15)；The fertilizing mechanism (2) includes being arranged in the main pipeline
(12) fertilizer spreading tank (21) that connect with the main pipeline (12) of top, the testing agency (3) include being arranged described in every to divide
The water outlet of branch pipe(tube) (14) is used to detect the water flow sensing unit or hydraulic pressure sensor of water outlet water flow or hydraulic pressure, described
Control mechanism (4) is connect with the booster pump or electric control valve (15) and water flow sensing unit or hydraulic pressure sensor respectively, described
Control mechanism (4) controls the booster pump or electric control valve according to the detection signal of the water flow sensing unit or hydraulic pressure sensor
(15) main pipeline (12) the water outlet hydraulic pressure or water flow are adjusted.
2. anticlogging fertigation system according to claim 1, which is characterized in that the fertilizing mechanism further includes setting
It sets in the storing hopper (22) of fertilizer spreading tank (21) upper end and setting in the fertilizer spreading tank (21) and positioned at the storing hopper
(22) the first filtering meshes (23) below are equipped with vibrating mass (24) on first filtering meshes (23), in the fertilising
Tank (21) is externally provided with the vibrating motor (25) connecting with the vibrating mass (24).
3. according to anticlogging fertigation system as claimed in claim 2, which is characterized in that be equipped in the fertilizer spreading tank (21)
The mounting groove for installing first filtering meshes (23), being equipped on the fertilizer spreading tank (21) where the mounting groove can will be described
The notch that first filtering meshes (23) take out.
4. anticlogging fertigation system according to claim 2, which is characterized in that on the storing hopper (22)
End be equipped with matching hopper cover (26), the lower end of the fertilizer spreading tank (21) be equipped with discharge port and respectively with the discharging
Mouth and the fertilizer output channel (29) of main pipeline (12) connection are equipped with the control mechanism (4) even in the discharge outlet
The first control valve (27) connect.
5. anticlogging fertigation system according to claim 4, which is characterized in that be additionally provided in the discharge outlet
Fertilizer sensor (28), the fertilizer sensor (28) connect with the control mechanism (4).
6. anticlogging fertigation system according to claim 1, which is characterized in that in every lateral
(14) water outlet is connected with water dropper (16), is equipped in the water dropper (16) and the water outlet junction of the lateral (14)
Dismountable second filtering meshes.
7. anticlogging fertigation system according to claim 1, which is characterized in that in going out for the main pipeline (12)
Dismountable third filtering meshes (17) are equipped at the mouth of a river；The water outlet of the main pipeline (12) be equipped with water meter and with the control
The second control valve (18) of mechanism (4) connection processed.
8. anticlogging fertigation system according to claim 1, which is characterized in that further include indication mechanism (5), institute
Indication mechanism (5) is stated to connect with the control mechanism (4).
9. a kind of anticlogging fertigation method, which is characterized in that based on such as the described in any item anti-cloggings of claim 1-8
Fertigation system, described method includes following steps:
S10. start fertigation, open irrigation mechanism (1)；
S20. each lateral (14) water outlet of irrigation mechanism (1) is obtained by water flow sensing unit or hydraulic pressure sensor
Water flow value or hydraulic pressure value；
S30. the mean value of the water flow value or hydraulic pressure value that will acquire is compared with preset water flow value or hydraulic pressure value, when obtaining
When the mean value of the water flow value or hydraulic pressure value that take is less than certain threshold value of preset water flow value or hydraulic pressure value, irrigation mechanism is judged
(1) each lateral (14) blocking, opens booster pump or electric control valve (15) certain time with pass blocking, return step S20；
Otherwise, fertilizing mechanism (2) are opened；
S40. fertigation terminates, and first closes fertilizing mechanism (2), executes step S20, until passing through water flow sensing unit or hydraulic pressure
The water flow value of each lateral (14) water outlet for the irrigation mechanism that sensor obtains or the mean value of hydraulic pressure value are preset
When in certain threshold value of water flow value or hydraulic pressure value, irrigation mechanism (1) is turned off.
10. anticlogging fertigation method according to claim 9, which is characterized in that model is arranged in certain threshold value
It encloses for 30-50%；The certain time is set as at least 5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398559.9A CN109287243A (en) | 2018-11-22 | 2018-11-22 | A kind of anticlogging fertigation system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811398559.9A CN109287243A (en) | 2018-11-22 | 2018-11-22 | A kind of anticlogging fertigation system and method |
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| CN201811398559.9A Pending CN109287243A (en) | 2018-11-22 | 2018-11-22 | A kind of anticlogging fertigation system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073948A (en) * | 2019-06-03 | 2019-08-02 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | A kind of Intelligent irrigation system for farmland |
| CN110896834A (en) * | 2019-12-05 | 2020-03-24 | 梁荷 | Desert planting, fertilizing and irrigating method and device |
| CN113197064A (en) * | 2021-06-17 | 2021-08-03 | 青岛博雅生态环境工程有限公司 | Type skeleton texture is driped irrigation to gardens smallclothes |
| CN114738592A (en) * | 2022-05-09 | 2022-07-12 | 浙江肥特科技有限公司 | Anti-blocking device for water inlet pipeline of irrigation water supply pump and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7147361B2 (en) * | 2002-08-30 | 2006-12-12 | Wastewater Solutions, Inc | Methods for injecting dry bulk amendments for water and soil treatment |
| CN104094722A (en) * | 2014-07-30 | 2014-10-15 | 周岩 | Water and fertilizer integrated fertilizer-distributing system |
| CN206226996U (en) * | 2016-12-05 | 2017-06-09 | 温州科技职业学院 | A kind of integrated irrigation system |
| CN106942018A (en) * | 2017-04-27 | 2017-07-14 | 福建农林大学 | Mountain area field water fertilizer drip irrigation system and its implementation based on solar photovoltaic generating |
| CN107114049A (en) * | 2017-06-20 | 2017-09-01 | 徐州佳昶农业科技股份有限公司 | A kind of solid fertilizer fertilization system |
-
2018
- 2018-11-22 CN CN201811398559.9A patent/CN109287243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7147361B2 (en) * | 2002-08-30 | 2006-12-12 | Wastewater Solutions, Inc | Methods for injecting dry bulk amendments for water and soil treatment |
| CN104094722A (en) * | 2014-07-30 | 2014-10-15 | 周岩 | Water and fertilizer integrated fertilizer-distributing system |
| CN206226996U (en) * | 2016-12-05 | 2017-06-09 | 温州科技职业学院 | A kind of integrated irrigation system |
| CN106942018A (en) * | 2017-04-27 | 2017-07-14 | 福建农林大学 | Mountain area field water fertilizer drip irrigation system and its implementation based on solar photovoltaic generating |
| CN107114049A (en) * | 2017-06-20 | 2017-09-01 | 徐州佳昶农业科技股份有限公司 | A kind of solid fertilizer fertilization system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073948A (en) * | 2019-06-03 | 2019-08-02 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | A kind of Intelligent irrigation system for farmland |
| CN110073948B (en) * | 2019-06-03 | 2021-04-06 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Intelligent irrigation system for farmland |
| CN110896834A (en) * | 2019-12-05 | 2020-03-24 | 梁荷 | Desert planting, fertilizing and irrigating method and device |
| CN113197064A (en) * | 2021-06-17 | 2021-08-03 | 青岛博雅生态环境工程有限公司 | Type skeleton texture is driped irrigation to gardens smallclothes |
| CN114738592A (en) * | 2022-05-09 | 2022-07-12 | 浙江肥特科技有限公司 | Anti-blocking device for water inlet pipeline of irrigation water supply pump and control method thereof |
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Application publication date: 20190201 |