CN109644836A - A kind of farm irrigation system - Google Patents
A kind of farm irrigation system Download PDFInfo
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- CN109644836A CN109644836A CN201910066659.XA CN201910066659A CN109644836A CN 109644836 A CN109644836 A CN 109644836A CN 201910066659 A CN201910066659 A CN 201910066659A CN 109644836 A CN109644836 A CN 109644836A
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- Prior art keywords
- water
- pipe
- irrigation
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- water hole
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
Abstract
This application involves a kind of farm irrigation systems, belong to irrigation and water conservancy field.The farm irrigation system includes: reservoir, stores water for irrigation；Water delivery device, including water supply device and irrigation device, the water supply device by water from reservoir by irrigation device with being delivered to target；Pressure control device, for controlling the water delivery pressure of water delivery device；Humidity sensor, the humidity on test target ground；Controller, the water requirement of humidity value and the plant stored adjusts the humidity of water delivery pressure and then control target ground of the pressure control device from reservoir to water delivery device with comparing target；Wherein, the irrigation device includes irrigation pipe and the spray head that is arranged on irrigation pipe, and the tube surfaces of the irrigation pipe include openable and closable water hole.The humidity on the controllable target ground of the device is maintained in reasonable range, and can make full use of rainwater resource, can accomplish water-saving irrigation, structure is simple, and preparation cost is low, easy to control.
Description
Technical field
This application involves a kind of farm irrigation systems, belong to irrigation and water conservancy field.
Background skill is stated
China has a vast territory, and annual precipitation, precipitation region are unbalanced, and many plants are different to the demand of irrigation.
In the developmental process of plant, the humidity of soil plays a critically important effect.Different plants, or even in different growth weeks
Demand of the phase to the humidity of soil is different.Soil moisture directly affects the absorption of nutriment and the growth hair of flower plant
It educates, while various nutrient availabilities in soil can also be influenced.If wheat is afraid of flood in the maturity period, if can adjust in soil in real time
Moisture content, not only adjustable irrigation water capacity can also control the amount of rainwater, can be more advantageous to the growth of plant, improve agriculture
The yield of work increases economic benefit.
The pouring region of spray head of the existing irrigation rig when irrigating is fixed, and cannot cover all regions, so that
Ground is poured to pour unevenly.And since environmental pollution is serious, lead element is contained in the rainfall of some areas, lead element is inhaled by plant
After receipts, the growth and development of plant can be influenced, hazard of plant is made.
Summary of the invention
To solve the above-mentioned problems, present applicant proposes a kind of farm irrigation systems.The device can control the wet of target ground
Degree is maintained in the range of the demand of plant, can prevent from planting first by rainwater-collecting when amount of rainfall is higher than the water requirement of plant
Damage caused by waterlogging occurs for object；Rainwater resource can be made full use of, can accomplish water-saving irrigation, structure is simple, and preparation cost is low, easy to control.
According to the one aspect of the application, a kind of farm irrigation system is provided characterized by comprising
Reservoir stores water for irrigation；
Water is passed through irrigation device from reservoir by water delivery device, including water supply device and irrigation device, the water supply device
With being delivered to target；
Pressure control device, for controlling the water delivery pressure of water delivery device；
Humidity sensor, the humidity on test target ground；
Liquid level sensor, the liquid level on test target ground；
Controller, the water requirement of humidity value and the plant stored adjusts pressure control device from reservoir with comparing target
To the water delivery pressure of water delivery device and then the humidity on control target ground；
Data transmission system, for controller data with pressure control device, humidity sensor, liquid level sensor respectively
Transmission；
Wherein, the irrigation device includes irrigation pipe and the spray head that is arranged on irrigation pipe, the tube body table of the irrigation pipe
Face includes openable and closable water hole.
Optionally, the irrigation pipe includes first pipe and the second pipe that is arranged in it, and the spray head is fixed on described
Water hole is respectively set in the top of first pipe, the upper wall portions and lower wall portion of the first pipe, and the second pipe included
Side wall and water blocking side wall are filtered, the open position of the water hole of the relative position adjusting first pipe of second pipe and first pipe is rotated
It sets；The farm irrigation system further includes liquid level sensor.
Optionally, the rotation second pipe goes out irrigation pipe when the water hole of water blocking side wall closure first pipe lower part
Water, rotation second pipe make the water hole then irrigation pipe water suction on water blocking side wall closure first pipe top；
The irrigation pipe water outlet is that the controller water requirement that humidity value is less than the plant stored with comparing target is then adjusted
Pressure control device passes through water delivery device water delivery to target from reservoir；
Irrigation pipe water suction is that humidity value is greater than the water requirement of the plant stored, and liquid to controller with comparing target
When the liquid level on the target ground of level sensor test is not less than setting value, then adjusts pressure control device and adjust the water delivery of irrigation pipe
Hole passes through water delivery device water delivery to reservoir from target.
Optionally, the irrigation pipe includes first pipe and the second pipe that is arranged in it, and the spray head is fixed on described
Water hole is respectively set in the top of first pipe, the upper wall portions and lower wall portion of the first pipe, and the second pipe included
Side wall and water blocking side wall are filtered, the open position of the water hole of the relative position adjusting first pipe of second pipe and first pipe is rotated
It sets.
Optionally, the rotation second pipe goes out irrigation pipe when the water hole of water blocking side wall closure first pipe lower part
Water, rotation second pipe make the water hole then irrigation pipe water suction on water blocking side wall closure first pipe top；
The irrigation pipe water outlet is that the controller water requirement that humidity value is less than the plant stored with comparing target is then adjusted
Pressure control device and the water hole for adjusting irrigation pipe pass through water delivery device water delivery to target from reservoir；
The irrigation pipe water suction is that the controller water requirement that humidity value is greater than the plant stored with comparing target is then adjusted
Pressure control device and the water hole for adjusting irrigation pipe pass through water delivery device water delivery from target to reservoir.
Optionally, circumferential direction of the first pipe surface from center line to top includes at least the first water hole and the
Two water holes, the diameter of the first water hole are greater than the diameter of the second water hole, and the quantity of the first water hole is less than the second water hole
Quantity；
Circumferential direction of the first pipe surface from center line to bottom includes at least third water hole and the 4th water delivery
Hole, the diameter of third water hole are greater than the diameter of the 4th water hole, the quantity of the quantity of third water hole less than the 4th water hole.
Optionally, the filtering side wall is selected from metal filter screen or resin filter screen；The water blocking side wall is selected from metal plate
Or resin plate.
Optionally, the power mechanism that the first pipe and second pipe relatively rotate includes transmission device and power
Device.
Optionally, the pressure control device includes booster pump and self priming pump.
Optionally, cleaning and filtering device is also set up inside the irrigation pipe, the cleaning and filtering device includes axle portion and consolidates
It is scheduled on the filter layer of axle portion；Preferably, the filter layer is detachable, and the filter layer includes following components in parts by weight: modified
5-8 parts of calcium alginate, 3-4 parts of active carbon, 1-2 parts of diatomite, 0.5-1 parts of beer yeast slurry and 2-3 parts of chitosan.
The modified calcium alginate is that sodium alginate is modified anti-with soluble calcium salt again by cysteine and ethylenediamine
The modification calcium alginate should be made.
Optionally, the compound adsorbent includes the component of following portions by weight: modified 6.5 parts of calcium alginate, active carbon
Part 3.7,1.4 parts of diatomite, 0.8 part of beer yeast slurry and 2.6 parts of chitosan.
Optionally, the mass ratio of the ethylenediamine and cysteine is 1:0.5-1.2.
Optionally, the mass ratio of the ethylenediamine and cysteine is 1:0.8.
Optionally, the preparation method of the modified calcium alginate includes the following steps:
1) sodium alginate, EDCHCl and NHS are mixed with the buffer solution that pH value is 4.0-6.0, mixed solution is made
A；
2) will after at least 4h is mixed in mixed solution A and ethylenediamine, be added under the conditions of being protected from light cysteine stir to
Few 1h, is added ethanol solution, filtering precipitating, and modified sodium alginate is made in washing；
3) by modified sodium alginate aqueous solution and soluble calcium salt aqueous solution hybrid filtering, the modification is made in freeze-drying
Calcium alginate.
Optionally, the mass ratio of the sodium alginate, EDCHCl and NHS are 1:1-2:1-1.5.The EDCHCl is
1- ethyl-(3- dimethylaminopropyl) phosphinylidyne diimmonium salt hydrochlorate；The NHS is n-hydroxysuccinimide.
Optionally, the mass ratio of the sodium alginate and ethylenediamine is 1:0.3-0.8.
Optionally, the buffer solution is phosphate buffer solution.
Optionally, the compound adsorbent preparation method the following steps are included:
Chitosan, diatomite, beer yeast slurry are mixed in glacial acetic acid, remove solvent seasoning after be granulated, and with mix
It is granulated in modified calcium alginate, active carbon mixing, obtains the compound adsorbent.
Optionally, hairbrush, the wall portion of the extended irrigation pipe of the length of the hairbrush is arranged in the end of the filter layer.
Optionally, the water requirement of the plant stored in the controller includes the different growths of at least one target plant
The water requirement in period；
Target ground humidity value when being less than the water requirement of the plant stored, controller adjusts pressure control device from storage
Pond passes through water delivery device water delivery to target；The target humidity value be greater than stored plant water requirement when, and
When the liquid level on the target ground of liquid level sensor test is not less than setting value, pass through water delivery with adjusting the slave target of pressure control device
Device water delivery is to reservoir.
The beneficial effect that the application can generate includes but is not limited to:
Uniform irrigated farmland may be implemented in farm irrigation system in the embodiment of the present application, can also realize according to plant
The water requirement of Various Seasonal irrigate and by the function of extra rainwater-collecting, the farm irrigation system structure is simple.The agriculture
Field irrigation system not only can control with pouring target, but also can be when the plant on target ground is not required to water by rainwater-collecting to water storage
Pond prevents plant from sending damage caused by waterlogging.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 be the invention relates to a kind of farm irrigation system schematic diagram；
Fig. 2 be the invention relates to a kind of farm irrigation system schematic diagram；
Fig. 3 be the invention relates to a kind of first pipe schematic elevation view；
Fig. 4 be the invention relates to a kind of second pipe schematic elevation view；
Fig. 5 be the invention relates to a kind of cleaning and filtering device left view schematic diagram；
Fig. 6 be the invention relates to a kind of cleaning and filtering device left view schematic diagram with hairbrush；
Fig. 7 be the invention relates to a kind of farm irrigation system schematic diagram system block diagram.
Specific embodiment
For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed
It describes in detail bright.
It can be more clearly understood that the above objects, features, and advantages of the application, with reference to the accompanying drawing and specific implementation
The application is further described in detail in mode.It should be noted that in the absence of conflict, embodiments herein
And the feature in embodiment can be combined with each other.
Many details are explained in the following description in order to fully understand the application, still, the application may be used also
To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below
Specific embodiment limitation.
In addition, in the description of the present application, it is to be understood that term " center ", "upper", "lower", "front", "rear",
The orientation of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and simplifies description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present application, the meaning of " plurality " is two or more, remove
It is non-separately to have clearly specific restriction.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in this application as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.In retouching for this specification
In stating, the description of reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the application
In embodiment or example.In the present specification, schematic expression of the above terms are not required to be directed to identical implementation
Example or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
It will be appreciated by persons skilled in the art that farm irrigation system may be implemented uniformly to fill in the embodiment of the present application
Farmland is irrigate, can also realize and irrigate according to the water requirement of the Various Seasonal of plant and by the function of extra rainwater-collecting,
The farm irrigation system structure is simple.The farm irrigation system not only can control with pouring target, but also can be in the plant on target ground
By rainwater-collecting to reservoir when object is not required to water, prevent plant from sending damage caused by waterlogging.
With reference to Fig. 1-2, embodiments herein discloses a kind of farm irrigation system, which includes: to store
Pond 2, water delivery device 4, pressure control device 6, humidity sensor 8, controller 10, liquid level sensor 12, data transmission system,
Water delivery device 4 includes water supply device 42 and irrigation device 44.Reservoir 2, water supply device 42 and irrigation device 44 are sequentially communicated.
Controller 10 includes control circuit board, control switch.Data transmission system is controlled with pressure respectively for controller
The data transmission of device 6, humidity sensor 8, liquid level sensor 12.
With reference to Fig. 2-3, irrigation device 44 includes irrigation pipe 442 and the spray head 444 being arranged on irrigation pipe 442, irrigation pipe
Openable and closable water hole is arranged in 442 tube surfaces.Irrigation pipe 442 includes first pipe 4422 and the second pipe being arranged in it
4424, spray head 444 is fixed on the top of first pipe 4422, and water delivery is respectively set in the upper wall portions and lower wall portion of first pipe 4422
Hole, second pipe 4424 include filtering side wall 4426 and water blocking side wall 4428, rotate second pipe 4424 and first pipe 4422
Relative position adjust first pipe 4422 water hole opening and closing position.
With reference to Fig. 2, pressure control device 6 includes booster pump 62 and self priming pump 64, and the control of booster pump 62 absorbs water from reservoir 2
It to target is discharged by water delivery device 4.The control of self priming pump 64, which from target absorbs water, to be gone out by water delivery device 4 into reservoir 2
Water.Controller 10 is controlled from reservoir 2 to water delivery device 4 with discharging water to target by opening booster pump 62, and controller 10 passes through
Opening self priming pump 64, which from target absorbs water, is delivered to reservoir 2 by water delivery device 4.
With reference to Fig. 1-2, farmland irrigating device further includes liquid level sensor 12.As an implementation, the second pipe of rotation
Road 4424 goes out water blocking side wall 4428 when being closed the water hole of 4422 lower part of first pipe by booster pump control irrigation pipe 442
Water, the water hole that rotation second pipe 4424 makes water blocking side wall 4428 be closed 4422 top of first pipe then pass through self priming pump control
Irrigation pipe 442 absorbs water；The water outlet of irrigation pipe 442 is with comparing target humidity value with being less than the target that the has stored plant of controller 10
Water requirement then adjusts pressure control device 6 and passes through 4 water delivery of water delivery device to target from reservoir 2；The water suction of irrigation pipe 442 is control
The water requirement of device 10 processed with comparing target humidity value with being greater than the target stored plant, and the target that liquid level sensor 12 is tested
When the liquid level on ground is not less than setting value, then pressure control device 6 is adjusted from target by 4 water delivery of water delivery device to reservoir 2.
With reference to Fig. 3, circumferential direction of 4422 surface of first pipe from center line to top include at least the first water hole and
Second water hole, the diameter of the first water hole are greater than the diameter of the second water hole, and the quantity of the first water hole is less than the second water delivery
The quantity in hole.The region that the adjustable irrigation pipe 442 of the setting of first water hole and the second water hole is sprayed water is wide, irrigates uniform.
With reference to Fig. 3, circumferential direction of 4422 surface of first pipe from center line to bottom include at least third water hole and
4th water hole, the diameter of third water hole are greater than the diameter of the 4th water hole, and the quantity of third water hole is less than the 4th water delivery
The quantity in hole.The set-up mode of the third water hole and the 4th water hole makes irrigation pipe 442 be easy to collect rainwater and optional
Selecting property filters large granular impurity.
With reference to Fig. 4, second pipe 4424 is that then its filtering side wall 4426 is metal filter screen, water blocking side wall 4428 to metal tube
For metal plate；Or second pipe 4424 is that then its filtering side wall 4426 is resin filter screen to pitch tube, water blocking side wall 4428 is tree
Rouge plate, but the material of second pipe 4424 is not limited to metal or resin.Preferable embodiment is the filtering of second pipe 4424
The area ratio of side wall 4426 and water blocking side wall 4428 is 1:1.
With reference to Fig. 2-4, the power mechanism 14 that first pipe 4422 and second pipe 4424 relatively rotate includes transmission
Device 142 and power device 144.Power device 144 is motor, and transmission device 142 is conveyer belt or chain.Second pipe 4424
Sealing two ends, at least one end setting belt wheel or gear of second pipe 4424, motor passes through conveyer belt or chain-driving
The belt wheel or gear that 4424 end of second pipe is arranged in rotate so that second pipe 4424 is relative to first pipe 4422
Rotation.The rotational angle of preferred second pipe 4424 is that the above water hole of central axis of controllable first pipe 4422 goes out
Water controls the following water hole water suction of center line of first pipe 4422.
With reference to Fig. 5, the 442 settable cleaning and filtering device 446 in inside of irrigation pipe, cleaning and filtering device 446 includes axle portion
4462 and it is fixed on the filter layer 4464 of axle portion 4462, cleaning and filtering device 446 is detachably mounted to second pipe 4424
On central axis, and cleaning and filtering device 446 can be rotated.Filter layer 4464 is detachably mounted to axle portion 4462, filter layer
4464 include filter cartridge and filter core, and filter cartridge is the shell with cavernous structure, and filter layer includes following components in parts by weight: being changed
5-8 parts of calcium alginate of property, 3-4 parts of active carbon, 1-2 parts of diatomite, 0.5-1 parts of beer yeast slurry and 2-3 parts of chitosan.It cleaned
Filter device 446 may filter that the setting of the impurity and filter layer of water delivery in irrigation pipe 442 can remove the lead in rainwater.Cleaning filtering
Device 446 can remove the impurity that the second screen pipe removes its filtering in use for some time, can effectively prevent second pipe
4424 blocking.
With reference to Fig. 6, hairbrush 4466 is arranged in the end of 446 filter layer 4464 of cleaning and filtering device, and the length of hairbrush is extended
The wall portion of irrigation pipe 442.Cleaning and filtering device 446 may make hairbrush to stretch out irrigation pipe 442 when moving in second pipe 4424
The filtrate for sweeping the blocking water hole of irrigation pipe 442 can be brushed.
With reference to Fig. 7, controller 10 can by with comparing target that the humidity sensor 8 that receive is tested humidity value with stored up
The water delivery pressure that the water requirement for the plant deposited adjusts slave reservoir 2 to the water delivery device 4 of pressure control device 6 controls target in turn
The humidity on ground.
With reference to Fig. 7, the water requirement of the plant stored in controller 10 includes the different growths of at least one target plant
The water requirement in period；Target humidity value be less than stored plant water requirement when, controller 10 adjust pressure control device 6
Pass through 4 water delivery of water delivery device to target from reservoir 2；Target humidity value be greater than stored plant water requirement when, and
And liquid level sensor 12 test target ground liquid level be not less than setting value when, adjust pressure control device 6 slave target lead to
4 water delivery of water delivery device is crossed to reservoir 2.Target plant can be one of wheat, corn, sorghum, cereal, rose, sweet potato,
But it is not limited to mentioned kind.
As an implementation, when the humidity on the target of plant such as wheat ground is lower than the wheat stored in controller 10
The growth phase needs humidity when, then its booster pump of controller 10 out of reservoir 2 by water supply device and pour it is filling
Set water delivery to target, controller 10 controls the water hole on 442 top of irrigation pipe at this time and spray head 444 is opened.When rainfall mistake
The humidity on target ground when being higher than the humidity of the needs of the growth phase of the wheat stored in controller 10 when having ponding greatly, and
And the liquid level on target ground that detects of liquid level sensor 12 when reaching setting value, then its self priming pump of controller 10 is from target by pouring
To target, the water hole that controller 10 controls 442 lower part of irrigation pipe at this time is opened for filling device and water supply device water delivery.
As an implementation, liquid level sensor 8 may be provided in target ground, may also be arranged in irrigation pipe 44, pours
Ground laying can be pasted by filling pipe 442.Such as the relative position of second pipe 4424 and first pipe 4424 is rotated when rainfall, so that the
The lower part water hole of one pipeline 4424 is opened, and rainwater can immerse in irrigation pipe 442, when the humidity on target ground is higher than what plant needed
Humidity and when liquid level sensor 8 detect irrigation pipe 442 in liquid level be higher than setting value when, then controller 10 control pressure control
Device 6 from target absorbs water to reservoir 2.
Following embodiments are to be illustrated to the filter layer of the lead in removal rainwater.
Embodiment 1
The preparation of modified calcium alginate 1#
1) 1.0g sodium alginate is mixed with the pH dibastic sodium phosphate buffer solution for being 4.8, after stirring and dissolving, is added
1.3gEDCHCl and 1.3gNHS stirs 2h, and mixed solution A is made；
2) after 5h being mixed in mixed solution A and 0.5mL ethylenediamine solution, half Guang ammonia of 0.4g is added under the conditions of being protected from light
Acid stirring 2h, is added ethanol solution and generates completely until precipitating, filtering ethanol washing, under the conditions of 80 DEG C after drying, is made and changes
Property sodium alginate；
3) modified sodium alginate made from step 2) is dissolved in 100mL water, instills 0.3mol/L under stirring conditions
Calcium chloride solution generate hydrogel, by hydrogel vacuum freeze drying obtained, modified calcium alginate 1# is made.
The preparation of compound adsorbent 1#:
1) 2h is mixed in chitosan 2.6g, diatomite 1.4g, beer yeast slurry 0.8g in glacial acetic acid, evaporation removes
Solvent, drying, ground 200 mesh；
2) particle is made in step 1) to mix with the modified calcium alginate 1# of 6.5g, active carbon 3.7g, obtains composite adsorption
Agent 1#.
Embodiment 2
Compound adsorbent 2# is prepared, the compound adsorbent 1# difference prepared with embodiment 1 are as follows:
Modified calcium alginate 5g, active carbon 3g, diatomite 1g, beer yeast slurry 0.5g and chitosan 2g.
Embodiment 3
Compound adsorbent 3# is prepared, the compound adsorbent 1# difference prepared with embodiment 1 are as follows:
Modified calcium alginate 8g, active carbon 4g, diatomite 2g, beer yeast slurry 1g and chitosan 3g.
Embodiment 4
The preparation of modified calcium alginate 2#:
1) 1.0g sodium alginate is mixed with the pH dibastic sodium phosphate buffer solution for being 5.1, after stirring and dissolving, 1.8g is added
EDCHCl and 1.5g NHS stirs 2h, and mixed solution A is made；
2) after 6h being mixed in mixed solution A and 0.8mL ethylenediamine solution, half Guang ammonia of 0.9g is added under the conditions of being protected from light
Acid stirring 2h, is added ethanol solution and generates completely until precipitating, filtering ethanol washing, under the conditions of 80 DEG C after drying, is made and changes
Property sodium alginate；
3) modified sodium alginate made from step 2) is dissolved in 100mL water, instills 0.6mol/L under stirring conditions
Calcium chloride solution generate hydrogel, by hydrogel vacuum freeze drying obtained, modified calcium alginate 2# is made.
The preparation of compound adsorbent 4#:
1) 2h is mixed in chitosan 2.6g, diatomite 1.4g, beer yeast slurry 0.8g in glacial acetic acid, evaporation removes
Solvent, drying, ground 200 mesh；
2) particle is made in step 1) to mix with the modified calcium alginate 2# of 6.5g, active carbon 3.7g, obtains composite adsorption
Agent 4#.
Comparative example 1
Preparation comparison compound adsorbent D1#, the compound adsorbent 1# difference prepared with embodiment 1 are as follows: comparison is multiple
Closing adsorbent D1# only includes modified calcium alginate 1#.
Comparative example 2
Preparation comparison compound adsorbent D2#, the compound adsorbent 1# difference prepared with embodiment 1 are as follows:
1) by chitosan 2.6g, diatomite 1.4g, beer yeast slurry 0.8g, 6.5g modified calcium alginate, active carbon 3.7g
Directly it is mixed to prepare comparison compound adsorbent D2#.
Comparative example 3
Preparation comparison compound adsorbent D3#, the compound adsorbent 1# difference prepared with embodiment 1 are as follows:
Compare the preparation of modified calcium alginate D1#
1) 1.0g sodium alginate is mixed with the pH dibastic sodium phosphate buffer solution for being 4.8, after stirring and dissolving, is added
1.3gEDCHCl and 1.3gNHS stirs 2h, and mixed solution A is made；
2) after 5h being mixed in mixed solution A and 1.2mL ethylenediamine solution, half Guang ammonia of 1.7g is added under the conditions of being protected from light
Acid stirring 2h, is added ethanol solution and generates completely until precipitating, filtering ethanol washing, under the conditions of 80 DEG C after drying, is made and changes
Property sodium alginate；
3) modified sodium alginate made from step 2) is dissolved in 100mL water, instills 0.3mol/L under stirring conditions
Calcium chloride solution generate hydrogel, by hydrogel vacuum freeze drying obtained, modified calcium alginate D1# is made.
Embodiment 5
The waste water that pH using leaded 300mg/L is 6.5 is process object.Each 7 parts of above-mentioned waste water to be processed are taken respectively, often
Part 1L uses compound adsorbent 1#-4#, and comparison each 1g of compound adsorbent D1#-D3# to handle above-mentioned waste water respectively, handles
It to be constantly stirred in the process, handle 2.5h at normal temperature.
By the compound adsorbent 1#-4# of the testing example 1-4 respectively and comparison compound adsorbent D1#- of comparative example 1-3
The removal rate of lead element in D3# treated waste water, the results are shown in Table 1:
Table 1
As known from Table 1, in 270mg/g, the application's answers the large amount of adsorption of the lead in compound adsorbent 1#-4# processing waste water
It is high to the adsorbance of heavy metal lead to close adsorbent, and the adsorption time of compound adsorbent is short.
Embodiment 6
Illustrate the regeneration of compound adsorbent by taking compound adsorbent 1# prepared by embodiment 1 as an example and recycles effect.It will
Compound adsorbent 1# using 0.2mol/L hydrochloric acid solution desorption after, processing lead 300mg/L pH be 6.5 waste water, recycle into
It is 270mg/g to the adsorbance of lead after row 10 times, adsorbance is not substantially reduced.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of farm irrigation system characterized by comprising
Reservoir stores water for irrigation；
Water delivery device, including water supply device and irrigation device, the water supply device convey water from reservoir by irrigation device
To target；
Pressure control device, for controlling the water delivery pressure of water delivery device；
Humidity sensor, the humidity on test target ground；
Liquid level sensor, the liquid level on test target ground；
Controller, comparison target humidity value and the plant that has stored water requirement adjusting pressure control device from reservoir to defeated
The water delivery pressure of water installations and then the humidity for controlling target ground；
Data transmission system is passed with the data of pressure control device, humidity sensor, liquid level sensor respectively for controller
It is defeated；
Wherein, the irrigation device includes irrigation pipe and the spray head that is arranged on irrigation pipe, the tube surfaces packet of the irrigation pipe
Include openable and closable water hole.
2. farm irrigation system according to claim 1, which is characterized in that the irrigation pipe includes first pipe and is arranged
Second pipe in it, the spray head are fixed on the top of the first pipe, the upper wall portions and lower wall portion of the first pipe
Water hole is respectively set, the second pipe includes filtering side wall and water blocking side wall, rotates the phase of second pipe and first pipe
The open position of the water hole of first pipe is adjusted to position.
3. farm irrigation system according to claim 2, which is characterized in that the rotation second pipe closes water blocking side wall
Irrigation pipe is discharged when closing the water hole of first pipe lower part, and rotation second pipe makes the defeated of water blocking side wall closure first pipe top
Then irrigation pipe absorbs water in water hole；
The irrigation pipe water outlet is that the controller water requirement that humidity value is less than the plant stored with comparing target then adjusts pressure
Control device and the water hole for adjusting irrigation pipe pass through water delivery device water delivery to target from reservoir；
Irrigation pipe water suction is that humidity value is greater than the water requirement of the plant stored to controller with comparing target, and liquid level passes
Sensor test target ground liquid level be not less than setting value when, then adjust pressure control device and adjust irrigation pipe water hole from
Pass through water delivery device water delivery to reservoir to target.
4. farm irrigation system according to claim 2, which is characterized in that the first pipe surface is from center line to top
The circumferential direction in portion includes at least the first water hole and the second water hole, and the diameter of the first water hole is greater than the straight of the second water hole
Diameter, the quantity of the quantity of the first water hole less than the second water hole；
Circumferential direction of the first pipe surface from center line to bottom includes at least third water hole and the 4th water hole, the
The diameter of three water holes is greater than the diameter of the 4th water hole, the quantity of the quantity of third water hole less than the 4th water hole.
5. farm irrigation system according to claim 2, which is characterized in that the filtering side wall be selected from metal filter screen or
Resin filter screen；The water blocking side wall is selected from metal plate or resin plate.
6. according to right want 2 described in farm irrigation system, which is characterized in that the first pipe and second pipe occur opposite
The power mechanism of rotation includes transmission device and power device.
7. according to right want 1 described in farm irrigation system, which is characterized in that the pressure control device include booster pump and from
Sucking pump.
8. according to right want 1 described in farm irrigation system, which is characterized in that also set up inside the irrigation pipe cleaning filtering dress
It sets, the cleaning and filtering device includes axle portion and at least one filter layer for being detachably mounted to axle portion, the filter layer packet
Include following components in parts by weight: modified calcium alginate 5-8 parts, 3-4 parts of active carbon, 1-2 parts of diatomite, beer yeast slurry 0.5-1
Part and chitosan 2-3 parts.
9. according to right want 8 described in farm irrigation system, which is characterized in that hairbrush is arranged in the end of the filter layer, described
The wall portion of the extended irrigation pipe of the length of hairbrush.
10. according to right want 1 described in farm irrigation system, which is characterized in that the need of the plant stored in the controller
Water includes the water requirement of the different growth periods of at least one target plant；
Target ground humidity value when being less than the water requirement of the plant stored, controller adjusts pressure control device from reservoir
To target by water delivery device water delivery；Target ground humidity value when being greater than the water requirement of the plant stored, and liquid level
When the liquid level on the target ground of sensor test is not less than setting value, pass through water delivery device with adjusting the slave target of pressure control device
Water delivery is to reservoir.
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| CN201910066659.XA CN109644836B (en) | 2019-01-24 | 2019-01-24 | Farmland irrigation system |
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|---|---|---|---|
| CN201910066659.XA CN109644836B (en) | 2019-01-24 | 2019-01-24 | Farmland irrigation system |
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| CN109644836B CN109644836B (en) | 2021-08-31 |
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| CN112690195A (en) * | 2020-12-18 | 2021-04-23 | 逸文环境发展有限公司 | Intelligent municipal garden uses trees irrigation system |
| CN112964760A (en) * | 2021-02-09 | 2021-06-15 | 中国石油大学(华东) | Humidity monitoring and analyzing system driven by double-generator type friction nano generator and preparation method and application thereof |
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| CN109644836B (en) | 2021-08-31 |
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