CN111328681B - High-temperature desert lawn underground irrigator and mounting method thereof - Google Patents
High-temperature desert lawn underground irrigator and mounting method thereof Download PDFInfo
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- CN111328681B CN111328681B CN202010159433.7A CN202010159433A CN111328681B CN 111328681 B CN111328681 B CN 111328681B CN 202010159433 A CN202010159433 A CN 202010159433A CN 111328681 B CN111328681 B CN 111328681B
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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
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
Abstract
The invention relates to a high-temperature desert lawn underground irrigator and a mounting method thereof, wherein the irrigator comprises an infiltrating irrigation pipeline, an upper water storage layer and a lower water storage layer, wherein the infiltrating irrigation pipeline is clamped between the upper water storage layer and the lower water storage layer; the circumferential wall of the infiltrating irrigation pipeline is provided with a plurality of water outlet holes. The water irrigator is buried underground, so that not only is the water resource loss caused by the evaporation of surface water avoided, but also the water bearing capacity of a desert area is effectively improved; the multiple water storage layers can prolong the irrigation time, reduce the water infiltration loss, fully consider the influence of the growth of the root hairs of the plants on the irrigation emitter, inhibit the growth trend of the root hairs of the plants towards the irrigation emitter by an automatic means, and solve the technical problem of the blockage of the irrigation emitter caused by the wrapping of the root hairs of the plants.
Description
Technical Field
The invention relates to the technical field of desert irrigation, in particular to a high-temperature desert lawn underground irrigator and an installation method thereof.
Background
China is one of the most serious countries in the world, and the area of desertified land reaches 264 km2Occupies 27.5 percent of the territorial area of China, wherein the desert is the most serious, and the territorial area reaches 80.9 km2And also continues to scale up in spread, averaging 610km per year2The activation of the desert occurs, of which 310km is present2The soil falls to sandy land. The ecological system is unbalanced due to desertification, the arable area is continuously reduced, and the serious influence is brought to the national industrial and agricultural production and the people life. The northwest arid region and desertified land in China have become one of the main sources of sand storm in China and even Asia-Pacific region, and cause huge loss to the national socioeconomic performance.
The biggest problem in desert areas is serious water shortage, water is easy to lose to air through evaporation, and meanwhile, the desert is insufficient in water bearing capacity and serious in water leakage loss. The earth surface flood irrigation in the prior art is completely unsuitable for use in high-temperature desert areas, most of water is lost due to evaporation, and a large amount of water is wasted if the normal growth of plants is ensured. Drip irrigation and infiltrating irrigation in the prior art are not suitable for being directly used in desert areas, because the desert has poor moisture bearing capacity and is easy to leak. How to improve the water bearing capacity of desert areas is a technical problem to be solved urgently in the field.
The lawn is an effective means for preventing and treating soil desertification, and the root system of the lawn is developed, so that the lawn can firmly grasp the soil, avoid sand invasion and reduce water and soil loss. If the desert lawn can be irrigated from the underground, the problem of water evaporation on the ground surface is avoided. However, the problem that the water bearing capacity of the desert is poor cannot be solved because the irrigator is buried underground, and the problem that the plant roots grow towards the irrigator gradually due to the instinct of water absorption, so that the irrigator is tightly wrapped by the plant roots for a long time, and the clogging of the irrigator is caused.
Disclosure of Invention
The invention aims to provide a high-temperature desert lawn underground irrigator, which at least solves the technical problems of improving the water bearing capacity of a desert area and avoiding the blockage of the irrigator caused by the wrapping of plant roots and whiskers.
In order to achieve the purpose, the invention provides a high-temperature desert lawn underground irrigator which comprises an infiltration irrigation pipeline, an upper water storage layer and a lower water storage layer, wherein the infiltration irrigation pipeline is clamped between the upper water storage layer and the lower water storage layer, the left side and the right side of the infiltration irrigation pipeline are respectively positioned and fixed by cork keels, the cork keels are also clamped between the upper water storage layer and the lower water storage layer, and the upper water storage layer, the cork keels and the lower water storage layer are fixed through fixing parts; the peripheral wall of the infiltrating irrigation pipeline is provided with a plurality of water outlet holes.
Preferably, the filtration irrigation pipeline be provided with many, many filtration irrigation pipeline set up between last aquifer and lower aquifer mutually in parallel, the same cork fossil fragments of sharing between the adjacent filtration irrigation pipeline.
In another embodiment, the infiltrating irrigation pipeline is a coiled pipe and comprises a plurality of straight pipe sections and a plurality of U-shaped pipe sections connected with adjacent straight pipe sections, the straight pipe sections are arranged between the upper aquifer and the lower aquifer in parallel, and the adjacent straight pipe sections share the same cork keel.
The filtration irrigation pipeline comprises a cylinder shell, a filtration bag and a water storage material, wherein a hollow cavity is formed inside the cylinder shell, and the filtration bag is arranged in the hollow cavity; the water storage material is arranged inside the filter bag; the water outlet holes are formed in the peripheral wall of the cylinder shell.
It is further preferred that the space between the upper and lower aquifers, excluding the infiltrating irrigation pipe and cork keel, is also filled with the water-retaining material.
The water storage material is a multi-source coal-based solid waste soil water retention conditioner formed by mixing 1 part by weight of calcined fly ash clinker and 0.3-0.5 part by weight of coal gangue, the multi-source coal-based solid waste soil water retention conditioner is characterized in that the calcined fly ash clinker and the coal gangue are placed in a closed environment for roasting for 2-4 hours at the temperature of over 1100 ℃, the silicate glass network structures of the high-temperature roasted fly ash and the coal gangue generate direct destruction and reconstruction effects, network polymers are converted into oligomers, particles of the calcined fly ash and the coal gangue become porous and fluffy, and the oligomers form hydrophilic active groups through hydration modification effects, so that the oligomers have water absorption capacity and chelating capacity; when the soil environment is rich in water, the oligomer has water absorption capacity and is kept in a stable state; when the environment is in a poor water state, although the single bond force among the active groups still keeps the affinity state, the adsorption force of the plant root system is larger than the single bond force, and the oligomer releases water to meet the requirement of plant growth.
The high-temperature desert lawn underground irrigator further comprises a water supply device, and the water supply device comprises:
the water supply system comprises a water source, a water delivery main pipe and a water pump, wherein the water delivery main pipe is a three-way pipe, the water inlet end of the water pump is communicated with the water source, and the water outlet end of the water pump is communicated with the second end of the water delivery main pipe;
the water inlet end of the water delivery branch pipe network is communicated with the first end of the water delivery main pipe, and the water outlet end of the water delivery branch pipe network is connected with the water source inlet of the infiltrating irrigation pipeline;
the output end of the nutrient conveying device is communicated with the third end of the water conveying main pipe;
the nutrient delivery device includes:
a base;
the first box body is fixed at the upper end of the base and stores nutrients;
the second box body is fixed at the upper end of the base and is positioned on one side of the first box body, and the inner wall of the second box body is horizontally placed in a cylindrical shape;
the first mounting seat is fixedly connected to the top end of the second box body;
the second mounting seat is fixedly connected to the top end of the base and is positioned on one side, far away from the first box body, of the second box body;
the first rotating rod is horizontally arranged along the left-right direction, the first rotating rod is rotatably connected with the first mounting seat and the second mounting seat, and one end of the first rotating rod extends into the first box body;
the stirring blade is arranged at the end part of the first rotating rod, which is positioned in the first box body;
the sealing plate is vertically arranged in the second box body, and the size and the shape of the longitudinal section of the sealing plate are matched with those of the longitudinal section of the inner wall of the second box body;
the first connecting pipe is communicated with one side of the first box body, which is close to the second box body;
the first end of the first rotating rod is rotatably connected with one side of the first box body, which is far away from the first box body, the first end of the first rotating rod is positioned in the first box body, the second end of the first rotating rod is rotatably connected with the first mounting seat, and the first end of the first rotating rod is provided with a threaded hole along the length direction;
the threaded rod is in threaded connection with the threaded hole;
the motor is fixedly connected to the second mounting seat or the base, and an output shaft of the motor is parallel to the first rotating rod;
the first gear is fixedly sleeved on the output shaft of the motor;
the second gear and the third gear are both sleeved on the second rotating rod;
the fourth gear is sleeved on the first rotating rod, the second gear is in meshing transmission with the first gear, and the third gear is in meshing transmission with the second gear;
the second connecting pipe is arranged on one side of the second box body, which is close to the first box body, and is positioned below the first connecting pipe;
the first connecting pipe and the second connecting pipe are both provided with electromagnetic valves;
and the controller is electrically connected with the power supply, the motor, the electromagnetic valves and the water pump.
A concentration sensor is arranged in the water storage material; the concentration sensor is used for detecting the concentration of the root growth inhibitor; the water source inlet of the infiltrating irrigation pipeline is also connected with the medicine storage tank through a medicine supply pipe; the medicine storage tank is filled with a root growth inhibitor; the medicine supply pipe is provided with a control valve for controlling the on-off of the medicine supply pipe; the control valve and the concentration sensor are electrically connected with the controller; control valve and concentration sensor all be connected with the concentration controller electricity, the concentration controller still is connected with the power, the concentration controller passes through power supply circuit and is connected with the power, power supply circuit includes:
a ninth resistor, a first end of which is connected with the positive electrode of the controller power supply, a second end of which is connected with one end of an eighth resistor, and the other end of the eighth resistor is grounded;
a tenth resistor, a first end of which is connected with the positive electrode of the controller power supply;
a reference electrode of the voltage stabilizing integrated chip is connected with the second end of the ninth resistor, a cathode of the voltage stabilizing integrated chip is connected with the second end of the tenth resistor, and an anode of the voltage stabilizing integrated chip is grounded;
one end of the eleventh resistor is connected with the second end of the tenth resistor, and the other end of the eleventh resistor is grounded;
the negative input end of the second operational amplifier is connected with the second end of the tenth resistor;
one end of the twelfth resistor is connected with the positive input end of the second operational amplifier, and the other end of the twelfth resistor is grounded;
one end of the sixth resistor is connected with the positive input end of the second operational amplifier, and the other end of the sixth resistor is connected with the power supply positive electrode of the controller;
one end of the third capacitor is connected with the positive input end of the second operational amplifier, and the other end of the third capacitor is connected with the power supply end of the second operational amplifier;
the base electrode of the transistor is connected with the output end of the second operational amplifier, and the emitting electrode of the transistor is grounded;
the input end of the third voltage-stabilizing integrated chip is connected with the collector of the transistor, and the reference voltage end of the third voltage-stabilizing integrated chip is connected with the positive electrode of the power supply of the controller;
the input end of the second integrated chip is connected with the output end of the third voltage-stabilizing integrated chip;
one end of the fifth capacitor is connected with the input end of the second integrated chip, and the other end of the fifth capacitor is grounded;
the cathode of the third diode is connected with the output end of the second integrated chip;
one end of the inductor is connected with the output end of the second integrated chip;
and one end of the fuse link is connected with the other end of the inductor, and the other end of the fuse link is connected with a power supply end of the controller.
Preferably, the third voltage stabilization integrated chip is integrated with a current conversion circuit, and the current conversion circuit is used for converting the current of the controller power supply into a proper current for the controller to use.
The concentration sensor is respectively connected with the controller through a conditioning circuit, and the conditioning circuit comprises:
a second diode, a cathode of which is connected to the concentration sensor;
one end of the first resistor is connected with a first power supply, and the other end of the first resistor is connected with the anode of the second diode;
a first end of the second resistor is connected with the anode of the second diode;
the cathode of the first diode is connected with the second end of the second resistor, and the anode of the first diode is grounded;
one end of the third resistor is connected with the second end of the second resistor;
the negative input end of the first operational amplifier is connected with the other end of the third resistor, and the output end of the first operational amplifier is connected with the controller;
one end of the second capacitor is connected with the negative input end of the first operational amplifier, and the other end of the second capacitor is connected with the positive input end of the first operational amplifier;
one end of the fourth capacitor is connected with the second end of the second resistor, and the other end of the fourth capacitor is grounded;
one end of the fifth resistor is connected with the positive input end of the first operational amplifier, and the other end of the fifth resistor is grounded;
one end of the fourth resistor is connected with the first power supply, and the other end of the fourth resistor is connected with the positive input end of the first operational amplifier;
one end of the seventh resistor is connected with the positive input end of the first operational amplifier, and the other end of the seventh resistor is connected with the output end of the first operational amplifier;
and one end of the first capacitor is connected with a first power supply, and the other end of the first capacitor is connected with the output end of the first operational amplifier.
The invention also provides a method for installing the underground irrigator on the high-temperature desert lawn, which comprises the following steps:
firstly, laying a water storage material on a lower water storage layer, laying an infiltration irrigation pipeline on the water storage material on the lower water storage layer, positioning and fixing the left side and the right side of the infiltration irrigation pipeline by cork keels respectively, laying a layer of water storage material above the infiltration irrigation pipeline and the cork keels, laying a water storage layer on the water storage material, and fixing the upper water storage layer, the cork keels and the lower water storage layer together by fixing parts to form an irrigation emitter;
secondly, digging a placement groove with the depth not less than 20 cm on a desert plot to be planted with a lawn, placing the irrigator formed in the first step in the placement groove, and connecting a water source inlet of the infiltrating irrigation pipeline with a water supply pipe of a water source;
thirdly, backfilling the excavated sandy soil above the irrigator and paving the excavated sandy soil above the first-step excavation and placement groove.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the high-temperature desert lawn underground irrigator is buried underground, so that water resource loss caused by evaporation of surface water is avoided, rainwater, reclaimed water and other water with possible peculiar smell are allowed to be adopted for irrigation, and adverse effects on the ground environment caused by the peculiar smell are avoided. The invention adopts the cooperation of the water storage layer and the infiltrating irrigation pipeline, thereby effectively improving the water bearing capacity of the desert area. In addition, the high-temperature desert lawn underground irrigator fully considers the influence of the growth of the root hairs of the plants on the irrigator, utilizes an automatic means to inhibit the tendency that the root hairs of the plants grow towards the irrigator, does not damage the normal growth of the root hairs of the plants, and solves the technical problem of blockage of the irrigator caused by the wrapping of the root hairs of the plants.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the installation of the high temperature desert lawn subsurface emitter according to the present invention.
FIG. 2 is a schematic structural view of the infiltrating irrigation pipe of the present invention.
Fig. 3 is a schematic connection diagram of the high-temperature desert lawn underground douche.
Fig. 4 is a circuit diagram of the controller of the present invention.
Detailed Description
The present invention is described in more detail below to facilitate an understanding of the present invention.
As shown in fig. 1 to 4, the high-temperature desert lawn subsurface irrigator of the invention comprises an infiltration irrigation pipeline 1, an upper water storage layer 2 and a lower water storage layer 3, wherein the infiltration irrigation pipeline is clamped between the upper water storage layer 2 and the lower water storage layer 3, the left side and the right side of the infiltration irrigation pipeline are respectively positioned and fixed by cork keels 6, the cork keels are also clamped between the upper water storage layer 2 and the lower water storage layer 3, and the upper water storage layer 2, the cork keels 6 and the lower water storage layer 3 are fixed by fixing parts 44; the circumferential wall of the infiltrating irrigation pipeline is provided with a plurality of water outlet holes 7.
The cork keel 6 is used for fixing the infiltrating irrigation pipeline, when water flows in the pipeline, the water pipeline can generate a left-right swinging movement trend under the action of water pressure, the sand soil in the desert has mobility (a famous spring is caused by the fact that sand flows automatically), the left-right swinging of the water pipeline can cause the collapse and the fall of the whole soil for planting the lawn, therefore, the cork keel 6 is needed to be adopted to fix the infiltrating irrigation pipeline, the adjacent infiltrating irrigation pipelines form a balance, the left-right swinging trends of the infiltrating irrigation pipeline in the whole irrigator are mutually offset to form the hedging, and the final result is that the collapse of the soil can be avoided.
Preferably, the filtration irrigation pipeline is provided with a plurality of, and many filtration irrigation pipeline set up between aquifer 2 and lower aquifer 3 parallelly to each other, same cork fossil fragments 6 of sharing between the adjacent filtration irrigation pipeline.
In another embodiment, the infiltrating irrigation pipeline is a coiled pipe and comprises a plurality of straight pipe sections and a plurality of U-shaped pipe sections connecting adjacent straight pipe sections, the straight pipe sections are arranged between the upper aquifer 2 and the lower aquifer 3 in parallel, and the adjacent straight pipe sections share the same cork keel 6.
As shown in fig. 2, the infiltrating irrigation pipe comprises a barrel shell 11, a filter bag 12 and a water storage material 13, wherein a hollow cavity 14 is formed inside the barrel shell, and the filter bag is arranged in the hollow cavity; the water storage material 13 is arranged inside the filter bag; the water outlet holes 7 are formed in the peripheral wall of the cylinder shell.
Although the cartridge is shown in the embodiment of fig. 2 as being closed at one end and open at the other end, it will be fully understood by those skilled in the art that in the embodiment where the irrigation pipe is a serpentine pipe, the cartridge may be fully open at both ends to form the straight pipe section of the serpentine pipe.
It is further preferred that the space between the upper aquifer 2 and the lower aquifer 3, excluding the infiltrating irrigation pipe and cork keel 6, is also filled with the water-retaining material 13.
The water storage material 13 is a multi-source coal-based solid waste soil water retention conditioner formed by mixing 1 part by weight of calcined fly ash clinker and 0.3-0.5 part by weight of coal gangue, the multi-source coal-based solid waste soil water retention conditioner is characterized in that the calcined fly ash clinker and the coal gangue are placed in a closed environment for roasting for 2-4 hours at the temperature of more than 1100 ℃, the silicate glass network structures of the high-temperature roasted fly ash and the coal gangue generate direct destruction and reconstruction effects, network polymers are converted into oligomers, particles of the calcined fly ash and the coal gangue become porous and fluffy, and the oligomers form hydrophilic active groups through hydration modification effects, so that the oligomers have water absorption capacity and chelating capacity; when the soil environment is rich in water, the oligomer has water absorption capacity and is kept in a stable state; when the environment is in a poor water state, although the single bond force among the active groups still keeps the affinity state, the adsorption force of the plant root system is larger than the single bond force, and the oligomer releases water to meet the requirement of plant growth.
When the high-temperature desert lawn underground irrigator is used, water storage materials 13 are laid on a lower water storage layer 3, an infiltrating irrigation pipeline 1 is laid on the water storage materials 13 on the lower water storage layer 3, the left side and the right side of the infiltrating irrigation pipeline are respectively positioned and fixed by cork keels 6, a layer of water storage materials 13 is laid above the infiltrating irrigation pipeline 1 and the cork keels 6, a water storage layer 2 is laid on the water storage materials 13, the upper water storage layer 2, the cork keels 6 and the lower water storage layer 3 are fixed together by fixing parts 44, and the fixing parts 44 can be wooden nails, stainless steel nails, steam nails or fiber ropes, for example.
The upper water storage layer 2 and the lower water storage layer 3 can be made of the same material or different materials. Examples of the material include polyester nonwoven fabric, polypropylene and hydrophilic natural fiber material.
The water source inlet of the infiltrating irrigation pipeline 1 is connected with a water supply pipe of a water source, when watering, the water supply pipe of the water source sends water into the hollow cavity through the water source inlet, the water enters the water storage material in the infiltrating irrigation pipeline 1 and is partially stored in the water storage material, the water which cannot be stored in the water storage material is discharged into the water storage material between the upper water storage layer 2 and the lower water storage layer 3 through the plurality of water outlet holes in the peripheral wall of the cylinder shell, the water which cannot be stored in the water storage material enters the upper water storage layer 2 and the lower water storage layer 3 and is stored in the upper water storage layer 2 and the lower water storage layer 3, and the water storage material, the upper water storage layer 2 and the lower water storage layer 3 have good water storage functions, so the bearing capacity of water in a desert area can be greatly improved. When watering is finished, water in the water storage material can still continuously provide moisture for the soil environment where the root system of the plant is located for a long time, and rapid infiltration of the moisture is slowed down to a certain extent.
Preferably, as shown in fig. 3, the high temperature desert lawn subsurface emitter further comprises a water supply device 4, wherein the water supply device 4 comprises:
the water supply device comprises a water source 41, a water delivery header pipe 42 and a water pump 43, wherein the water delivery header pipe 42 is a three-way pipe, the water inlet end of the water pump 43 is communicated with the water source 41 (communicated through a water pipe), and the water outlet end of the water pump 43 is communicated with the second end of the water delivery header pipe 42; preferably, a valve is arranged on the water delivery main pipe.
A water delivery branch pipe network (not shown in the figures, and can be set into different structures according to actual requirements), wherein the water inlet end of the water delivery branch pipe network is communicated with the first end of the water delivery main pipe 42, and the water outlet end of the water delivery branch pipe network is connected with the water source inlet of the infiltrating irrigation pipeline;
a nutrient delivery device 44, the output end of which is communicated with the third end of the water delivery manifold 42.
The working principle and the beneficial effects of the technical scheme are as follows:
above-mentioned water supply installation simple structure is convenient for supply water, and above-mentioned technical scheme realizes carrying after mixing water and nutrient to promote the growth on lawn.
In one embodiment, as shown in FIG. 3, the nutrient delivery device 44 comprises:
a base 441;
a first box 442 fixed to an upper end of the base 441, wherein nutrients (nutrient types are set as required) are stored in the first box 442;
a second casing 443 fixed to the upper end of the base 441 and positioned at one side of the first casing 442, wherein the inner wall of the second casing 443 is a horizontally disposed cylinder;
a first mounting seat 444 fixedly connected to a top end of the second casing 443;
the second mounting seat 445 is fixedly connected to the top end of the base 441 and is positioned on one side of the second box body, which is far away from the first box body;
a first rotating rod 446 horizontally arranged along the left-right direction, wherein the first rotating rod 446 is rotatably connected with a first mounting seat 444 and a second mounting seat 445, and one end of the first rotating rod 446 extends into the first box 442;
a stirring blade 4417 provided at an end of the first rotating rod 446 in the first tank 442;
a sealing plate 448 vertically arranged in the second box body 443, wherein the longitudinal section of the sealing plate 448 is matched with the longitudinal section of the inner wall of the second box body 443 in size and shape;
a first connection pipe 449 communicating the sides of the first and second cases 442 and 443 that are close to each other;
a second rotating rod 447 which is parallel to the first rotating rod 446, wherein a first end of the second rotating rod 447 is rotatably connected with one side of the second box body 443 away from the first box body 442, the first end of the second rotating rod 447 is positioned in the second box body 443, a second end of the second rotating rod 447 is rotatably connected with the second mounting seat 445, and a threaded hole is formed in the first end of the second rotating rod 447 along the length direction of the first rotating rod 447;
a threaded rod 4411 screwed into the threaded hole;
a motor 4412 fixedly connected to the second mounting seat 445 or the base 441, wherein an output shaft of the motor 4412 is parallel to the first rotating rod 446;
a first gear 4413 fixedly sleeved on the output shaft of the motor 4412;
the second gear 4414 and the third gear 4415 are sleeved on the second rotating rod 447;
a fourth gear 4416 sleeved on the first rotating rod 446, wherein the second gear 4414 is in meshing transmission with the first gear 4413, and the third gear 4415 is in meshing transmission with the second gear 4414;
a second connection pipe 4410 provided at a side of the second tank 443 adjacent to the first tank 442 and below the first connection pipe 449;
the first connecting pipe and the second connecting pipe are both provided with electromagnetic valves;
and the controller is electrically connected with the power supply, the motor, the electromagnetic valves and the water pump. The electromagnetic valve is used for controlling opening and closing and flow rate.
Preferably, the controller may be provided on the first casing or the second casing, a control room may be provided near the lawn, a water supply device may be provided in the control room, or water may be supplied through a remote distance. The power supply can be an external power supply or a storage battery, and preferably, the solar power generation device can also be arranged to supply power for the storage battery.
Preferably, one side that first box was kept away from to the closing plate that can lie in the second box sets up the air connecting pipe, and one side of keeping away from first box at the second box sets up the third connecting pipe, and third connecting pipe and water delivery house steward intercommunication for to aquatic oxygen delivery, improve the dissolved oxygen volume of water, be convenient for guarantee the growth on lawn. And the fourth connecting pipe can be communicated with the second end of the three-way pipeline on one side of the second box body close to the first box body and is used for conveying water to clean the second box body.
The working principle and the beneficial effects of the technical scheme are as follows:
when the motor is not started, the sealing plate can be in sealing contact with one side of the second box body close to the first box body and used for sealing the first connecting pipe;
when nutrient supply is needed, the controller controls the motor to rotate, the motor drives the second rotating rod to rotate through the meshing of the first gear and the second gear, the second rotating rod drives the first rotating rod to rotate through the meshing of the third gear and the fourth gear, and the first rotating rod rotates to stir nutrients in the first box body;
when the second rotating rod rotates, the threaded rod is driven to stretch and move left and right in the first rotating rod so as to drive the sealing plate to move left and right, the first connecting pipe is opened, and under the action of negative pressure and water pressure, nutrients in the first box body enter the left side of the sealing plate in the second box body and enter the water delivery main pipe through the second connecting pipe;
according to the technical scheme, the stirring and nutrient conveying can be realized through the driving of the motor, the conveying of the mixed water and nutrients is realized, the growth of plants is promoted, the control is reliable and convenient, and the fertilizer is convenient to use.
After the high-temperature desert lawn underground irrigator is buried underground, the roots of the plants grow towards the direction of the irrigator gradually due to the instinct of absorbing water, and the roots of the plants wrap the irrigator tightly after a long time, so that the irrigator is blocked.
In order to avoid the root hair of the plant from tightly wrapping the irrigator, the applicant finds that the tendency of the root hair of the plant to grow towards the drum shell can be inhibited by introducing a certain amount of root growth inhibitor into the drum shell through a great deal of experiments and combining with years of working experience. However, the type and concentration of the root growth inhibitor must be strictly limited, otherwise damage to the plant may occur.
In the test process, the applicant finds that dinitroaniline, trifluralin or pendimethalin have good root growth inhibition effect and can be used as a root growth inhibitor. Root growth inhibitor can hold in medicine storage tank, send root growth inhibitor into the aquatic through connecting medicine storage tank with the water source import of filtration irrigation pipeline 1 between the medicine supply pipe, root growth inhibitor and water get into the retaining material together in to pass through with water a plurality of apopores on the perisporium of cartridge case are from inside to outside evenly permeate.
In order to strictly control the concentration of the root system growth inhibitor, a concentration sensor is arranged in the water storage material; the concentration sensor is used for detecting the concentration of the root system growth inhibitor.
The medicine supply pipe is provided with a control valve for controlling the on-off of the medicine supply pipe; control valve and concentration sensor all be connected with the concentration controller electricity, the concentration controller still is connected with the power, the concentration controller passes through power supply circuit and is connected with the power, as shown in figure 4, power supply circuit includes:
a ninth resistor R9, a first end of which is connected to the positive electrode of the controller power supply, a second end of which is connected to one end of an eighth resistor R8, and the other end of the eighth resistor R8 is grounded;
a tenth resistor R10, a first end of which is connected to the controller power supply positive electrode;
a reference electrode of the voltage stabilizing integrated chip is connected with the second end of the ninth resistor R9, a cathode of the voltage stabilizing integrated chip is connected with the second end of the tenth resistor R10, and an anode of the voltage stabilizing integrated chip is grounded;
an eleventh resistor R11, one end of which is connected to the second end of the tenth resistor R10, and the other end of which is grounded;
a negative input terminal of the second operational amplifier U2 connected to the second terminal of the tenth resistor R10;
a twelfth resistor R12, one end of which is connected to the positive input end of the second operational amplifier U2, and the other end of which is grounded;
a sixth resistor R6, one end of which is connected to the positive input end of the second operational amplifier U2, and the other end of which is connected to the positive electrode of the controller power supply;
a third capacitor C3, one end of which is connected to the positive input end of the second operational amplifier U2, and the other end of which is connected to the power supply end of the second operational amplifier U2;
a base electrode of the transistor Q is connected with the output end of the second operational amplifier U2, and an emitting electrode of the transistor Q is grounded;
the input end of the third voltage-stabilizing integrated chip is connected with the collector of the transistor Q, and the reference voltage end of the third voltage-stabilizing integrated chip is connected with the positive electrode of the power supply of the controller; preferably, the third voltage stabilization integrated chip may be integrated with a current conversion circuit, and convert the current to a suitable current for the controller to use.
The input end of the second integrated chip U4 is connected with the output end of the third voltage-stabilizing integrated chip U5;
a fifth capacitor C5, one end of which is connected to the input terminal of the second integrated chip U4, and the other end of which is grounded;
a cathode of the third diode D3 is connected with the output end of the second integrated chip U4;
an inductor L, wherein one end of the inductor L is connected with the output end of the second integrated chip U4;
one end of the fuse link F is connected with the other end of the inductor L, and the other end of the fuse link F is connected with a power supply end of the controller;
the concentration sensor passes through conditioning circuit connection concentration controller, conditioning circuit includes:
a second diode D2 having a cathode connected to the concentration sensor;
a first resistor R1, one end of which is connected to the first power source V1 and the other end of which is connected to the anode of the second diode D2;
a second resistor R2, a first end of which is connected to the anode of the second diode D2;
a first diode D1, the cathode of which is connected to the second end of the second resistor R2, and the anode of which is grounded;
a third resistor R3, one end of the third resistor being connected to the second end of the second resistor R2;
the negative input end of the first operational amplifier U1 is connected with the other end of the third resistor R3, and the output end of the first operational amplifier U1 is connected with the controller;
a second capacitor C2, one end of which is connected to the negative input terminal of the first operational amplifier U1, and the other end of which is connected to the positive input terminal of the first operational amplifier U1;
a fourth capacitor C4, one end of which is connected to the second end of the second resistor R2, and the other end of which is grounded;
a fifth resistor R5, one end of which is connected to the positive input terminal of the first operational amplifier U1, and the other end of which is grounded;
a fourth resistor R4, one end of which is connected to the first power supply V1, and the other end of which is connected to the positive input terminal of the first operational amplifier U1;
a seventh resistor R7, one end of which is connected to the positive input terminal of the first operational amplifier U1, and the other end of which is connected to the output terminal of the first operational amplifier U1;
and a first capacitor C1, one end of which is connected to the first power supply V1, and the other end of which is connected to the output terminal of the first operational amplifier U1.
The working principle and the beneficial effects of the technical scheme are as follows: the concentration sensor is used for detecting the concentration of a root growth inhibitor in the water storage material, and transmitting a detection result to the concentration controller, a concentration standard value is preset in the concentration controller, and when the concentration value detected by the concentration sensor is greater than the concentration standard value, the concentration controller immediately sends a control signal to a control valve on the medicine supply pipe to control the control valve to be closed immediately. The flowing water can dilute the root growth inhibitor due to continuous supply of the water, when the concentration value detected by the concentration sensor is smaller than the concentration standard value, the controller sends a control signal to the control valve on the pesticide supply pipe after a preset time, the control valve is controlled to be opened slowly, and the control valve is controlled by the concentration controller to stabilize the opening degree of the control valve at the moment until the concentration value detected by the concentration sensor is close to the concentration standard value.
In the power supply circuit, the voltage stabilization effect is realized through U3, U4, U5 and D3, low-frequency filtering and high-frequency filtering are realized through C5, C3 and C4, overvoltage protection is realized through U3 and R8-13, and overcurrent protection is realized through L, F. The conditioning circuit realizes filtering and denoising through C1, C2 and C4, and realizes signal amplification and hysteresis comparison through U1, thereby ensuring reliable signal transmission.
As a further preferred embodiment, the invention also arranges a humidity sensor in the water storage material; the humidity sensor is used for detecting the humidity in the water storage material. The water delivery main pipe 42 is provided with a water filling main valve, the water filling main valve and the humidity sensor are both electrically connected with the humidity controller, the circuit connection of the humidity sensor and the humidity controller is similar to the circuit diagram shown in fig. 4, the position of the concentration sensor in fig. 4 is replaced by the humidity sensor, the position of the concentration controller in fig. 4 is replaced by the humidity controller, and the connection modes of other components are the same.
The humidity sensor is used for detecting the humidity in the water storage material and transmitting a detection result to the humidity controller, a humidity standard value is preset in the humidity controller, and when the humidity value detected by the humidity sensor is larger than the humidity standard value, the humidity controller immediately sends a control signal to the main irrigation valve on the water delivery main pipe 42 to control the main irrigation valve to be closed immediately. When the humidity value detected by the humidity sensor is smaller than the humidity standard value, the controller sends a control signal to the main irrigation valve on the water delivery main pipe 42 to control the opening of the main irrigation valve.
The invention also provides a method for installing the underground irrigator on the high-temperature desert lawn, which comprises the following steps:
firstly, laying a water storage material 13 on a lower water storage layer 3, laying an infiltration irrigation pipeline 1 on the water storage material 13 on the lower water storage layer 3, positioning and fixing the left side and the right side of the infiltration irrigation pipeline by cork keels 6 respectively, laying a layer of water storage material 13 above the infiltration irrigation pipeline 1 and the cork keels 6, laying a water storage layer 2 on the water storage material 13, and fixing the upper water storage layer 2, the cork keels 6 and the lower water storage layer 3 together by fixing parts 44 to form an irrigator;
secondly, digging a placement groove with the depth not less than 20 cm on a desert plot to be planted with a lawn, placing the irrigator formed in the first step in the placement groove, and connecting a water source inlet of the infiltrating irrigation pipeline with a water supply pipe of a water source;
thirdly, backfilling the excavated sandy soil above the irrigator and paving the excavated sandy soil above the first-step excavation and placement groove.
The foregoing describes preferred embodiments of the present invention, but is not intended to limit the invention thereto. Modifications and variations of the embodiments disclosed herein may be made by those skilled in the art without departing from the scope and spirit of the invention.
Claims (9)
1. The high-temperature desert lawn underground irrigator is characterized by comprising an infiltration irrigation pipeline, an upper water storage layer and a lower water storage layer, wherein the infiltration irrigation pipeline is clamped between the upper water storage layer and the lower water storage layer; a plurality of water outlet holes are formed in the peripheral wall of the infiltrating irrigation pipeline;
the high-temperature desert lawn underground irrigator further comprises a water supply device, and the water supply device comprises:
the water supply system comprises a water source, a water delivery main pipe and a water pump, wherein the water delivery main pipe is a three-way pipe, the water inlet end of the water pump is communicated with the water source, and the water outlet end of the water pump is communicated with the second end of the water delivery main pipe;
the water inlet end of the water delivery branch pipe network is communicated with the first end of the water delivery main pipe, and the water outlet end of the water delivery branch pipe network is connected with the water source inlet of the infiltrating irrigation pipeline;
the output end of the nutrient conveying device is communicated with the third end of the water conveying main pipe;
the nutrient delivery device includes:
a base;
the first box body is fixed at the upper end of the base and stores nutrients;
the second box body is fixed at the upper end of the base and is positioned on one side of the first box body, and the inner wall of the second box body is horizontally placed in a cylindrical shape;
the first mounting seat is fixedly connected to the top end of the second box body;
the second mounting seat is fixedly connected to the top end of the base and is positioned on one side, far away from the first box body, of the second box body;
the first rotating rod is horizontally arranged along the left-right direction, the first rotating rod is rotatably connected with the first mounting seat and the second mounting seat, and one end of the first rotating rod extends into the first box body;
the stirring blade is arranged at the end part of the first rotating rod, which is positioned in the first box body;
the sealing plate is vertically arranged in the second box body, and the size and the shape of the longitudinal section of the sealing plate are matched with those of the longitudinal section of the inner wall of the second box body;
the first connecting pipe is communicated with one side of the first box body, which is close to the second box body;
the first end of the first rotating rod is rotatably connected with one side of the first box body, which is far away from the first box body, the first end of the first rotating rod is positioned in the first box body, the second end of the first rotating rod is rotatably connected with the first mounting seat, and the first end of the first rotating rod is provided with a threaded hole along the length direction;
the threaded rod is in threaded connection with the threaded hole;
the motor is fixedly connected to the second mounting seat or the base, and an output shaft of the motor is parallel to the first rotating rod;
the first gear is fixedly sleeved on the output shaft of the motor;
the second gear and the third gear are both sleeved on the second rotating rod;
the fourth gear is sleeved on the first rotating rod, the second gear is in meshing transmission with the first gear, and the third gear is in meshing transmission with the second gear;
the second connecting pipe is arranged on one side of the second box body, which is close to the first box body, and is positioned below the first connecting pipe;
the first connecting pipe and the second connecting pipe are both provided with electromagnetic valves;
and the controller is electrically connected with the power supply, the motor, the electromagnetic valves and the water pump.
2. The high temperature desert lawn subsurface emitter of claim 1, wherein there are multiple said infiltration irrigation pipes, said multiple said infiltration irrigation pipes are arranged in parallel between the upper and lower aquifers, and the same cork keel is shared between adjacent infiltration irrigation pipes.
3. The high temperature desert lawn subsurface emitter of claim 1, wherein said infiltrating irrigation pipe is a serpentine pipe comprising a plurality of straight pipe sections and a plurality of U-shaped pipe sections connecting adjacent straight pipe sections, said plurality of straight pipe sections being disposed parallel to each other between the upper and lower aquifers, the adjacent straight pipe sections sharing the same cork keel.
4. The high temperature desert lawn subsurface emitter as claimed in claim 1, wherein said infiltrating irrigation pipe comprises a cartridge, a filter bag and a water storage material, a hollow cavity is formed inside said cartridge, said filter bag is disposed in said hollow cavity; the water storage material is arranged inside the filter bag; the water outlet holes are formed in the peripheral wall of the cylinder shell.
5. The high temperature desert lawn subsurface emitter of claim 4, wherein the space between said upper and lower aquifers other than said infiltrating irrigation pipe and cork keel is also filled with said water-retaining material.
6. The high-temperature desert lawn underground irrigator according to claim 4, wherein the water storage material is a multi-source coal-based solid waste soil water retention conditioner formed by mixing 1 part by weight of calcined fly ash clinker and 0.3-0.5 part by weight of coal gangue, the multi-source coal-based solid waste soil water retention conditioner is characterized in that the calcined fly ash clinker and the coal gangue are placed in a closed environment for roasting for 2-4 hours at the temperature of more than 1100 ℃, the silicate glass network structure of the high-temperature calcined fly ash and the coal gangue generates direct destruction and reconstruction effects, network polymers are converted into oligomers, particles of the calcined fly ash and the coal gangue become porous and fluffy, and the oligomers form hydrophilic active groups through hydration modification effects, so that the oligomers have water absorption capacity and chelating capacity; when the soil environment is rich in water, the oligomer has water absorption capacity and is kept in a stable state; when the environment is in a poor water state, although the single bond force among the active groups still keeps the affinity state, the adsorption force of the plant root system is larger than the single bond force, and the oligomer releases water to meet the requirement of plant growth.
7. The high temperature desert lawn subsurface emitter of claim 4, wherein a concentration sensor is disposed within said water-retaining material; the concentration sensor is used for detecting the concentration of the root growth inhibitor; the water source inlet of the infiltrating irrigation pipeline is also connected with the medicine storage tank through a medicine supply pipe; the medicine storage tank is filled with a root growth inhibitor; the medicine supply pipe is provided with a control valve for controlling the on-off of the medicine supply pipe; the control valve and the concentration sensor are electrically connected with the controller; the control valve and the concentration sensor are both electrically connected with a concentration controller, the concentration controller is also connected with a power supply, and the concentration controller is connected with the power supply through a power supply circuit;
the concentration sensor is connected with the controller through a conditioning circuit, and the conditioning circuit comprises:
a second diode, a cathode of which is connected to the concentration sensor;
one end of the first resistor is connected with a first power supply, and the other end of the first resistor is connected with the anode of the second diode;
a first end of the second resistor is connected with the anode of the second diode;
the cathode of the first diode is connected with the second end of the second resistor, and the anode of the first diode is grounded;
one end of the third resistor is connected with the second end of the second resistor;
the negative input end of the first operational amplifier is connected with the other end of the third resistor, and the output end of the first operational amplifier is connected with the controller;
one end of the second capacitor is connected with the negative input end of the first operational amplifier, and the other end of the second capacitor is connected with the positive input end of the first operational amplifier;
one end of the fourth capacitor is connected with the second end of the second resistor, and the other end of the fourth capacitor is grounded;
one end of the fifth resistor is connected with the positive input end of the first operational amplifier, and the other end of the fifth resistor is grounded;
one end of the fourth resistor is connected with the first power supply, and the other end of the fourth resistor is connected with the positive input end of the first operational amplifier;
one end of the seventh resistor is connected with the positive input end of the first operational amplifier, and the other end of the seventh resistor is connected with the output end of the first operational amplifier;
and one end of the first capacitor is connected with a first power supply, and the other end of the first capacitor is connected with the output end of the first operational amplifier.
8. The high temperature desert lawn subsurface emitter of claim 7, wherein said power supply circuit comprises:
a ninth resistor, a first end of which is connected with the positive electrode of the controller power supply, a second end of which is connected with one end of an eighth resistor, and the other end of the eighth resistor is grounded;
a tenth resistor, a first end of which is connected with the positive electrode of the controller power supply;
a reference electrode of the voltage stabilizing integrated chip is connected with the second end of the ninth resistor, a cathode of the voltage stabilizing integrated chip is connected with the second end of the tenth resistor, and an anode of the voltage stabilizing integrated chip is grounded;
one end of the eleventh resistor is connected with the second end of the tenth resistor, and the other end of the eleventh resistor is grounded;
the negative input end of the second operational amplifier is connected with the second end of the tenth resistor;
one end of the twelfth resistor is connected with the positive input end of the second operational amplifier, and the other end of the twelfth resistor is grounded;
one end of the sixth resistor is connected with the positive input end of the second operational amplifier, and the other end of the sixth resistor is connected with the power supply positive electrode of the controller;
one end of the third capacitor is connected with the positive input end of the second operational amplifier, and the other end of the third capacitor is connected with the power supply end of the second operational amplifier;
the base electrode of the transistor is connected with the output end of the second operational amplifier, and the emitting electrode of the transistor is grounded;
the input end of the third voltage-stabilizing integrated chip is connected with the collector of the transistor, and the reference voltage end of the third voltage-stabilizing integrated chip is connected with the positive electrode of the power supply of the controller;
the input end of the second integrated chip is connected with the output end of the third voltage-stabilizing integrated chip;
one end of the fifth capacitor is connected with the input end of the second integrated chip, and the other end of the fifth capacitor is grounded;
the cathode of the third diode is connected with the output end of the second integrated chip;
one end of the inductor is connected with the output end of the second integrated chip;
and one end of the fuse link is connected with the other end of the inductor, and the other end of the fuse link is connected with a power supply end of the controller.
9. The method for installing a high temperature desert lawn underground emitter as claimed in any one of claims 1-8, comprising the steps of:
firstly, laying a water storage material on a lower water storage layer, laying an infiltration irrigation pipeline on the water storage material on the lower water storage layer, positioning and fixing the left side and the right side of the infiltration irrigation pipeline by cork keels respectively, laying a layer of water storage material above the infiltration irrigation pipeline and the cork keels, laying a water storage layer on the water storage material, and fixing the upper water storage layer, the cork keels and the lower water storage layer together by fixing parts to form an irrigation emitter;
secondly, digging a placement groove with the depth not less than 20 cm on a desert plot to be planted with a lawn, placing the irrigator formed in the first step in the placement groove, and connecting a water source inlet of the infiltrating irrigation pipeline with a water supply pipe of a water source;
thirdly, backfilling the excavated sandy soil above the irrigator and paving the excavated sandy soil above the first-step excavation and placement groove.
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| KR100963328B1 (en) * | 2008-01-09 | 2010-06-11 | 경북대학교 산학협력단 | Underground Root Margin Even Irrigation Apparatus and Method Thereof |
| CN107864707A (en) * | 2017-12-11 | 2018-04-03 | 湖州酷趣电子商务有限公司 | A kind of gardens soil fertilizing device |
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| JP2006020542A (en) * | 2004-07-06 | 2006-01-26 | Chugoku Electric Power Co Inc:The | Method and apparatus for greening rooftop |
| CN205124592U (en) * | 2015-10-23 | 2016-04-06 | 南京铁道职业技术学院 | Water supply network that does not have native lawn |
| CN109056894A (en) * | 2018-08-29 | 2018-12-21 | 许昌学院 | A kind of gardens rainwater-collecting and ecological provisions protect system |
| CN209463080U (en) * | 2018-10-22 | 2019-10-08 | 中煤地质集团有限公司北京水工环地质勘查院 | It is a kind of suitable for manually replanting by the infiltrating irrigation system of side slope |
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