CN114532197B - Vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and drip irrigation method - Google Patents
Vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and drip irrigation method Download PDFInfo
- Publication number
- CN114532197B CN114532197B CN202210307680.6A CN202210307680A CN114532197B CN 114532197 B CN114532197 B CN 114532197B CN 202210307680 A CN202210307680 A CN 202210307680A CN 114532197 B CN114532197 B CN 114532197B
- Authority
- CN
- China
- Prior art keywords
- drip irrigation
- vortex
- air
- pipe
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- A01G29/00—Root feeders; Injecting fertilisers into the roots
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention provides a vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and a drip irrigation method, the structure of the device comprises a water inlet pipe, an air inlet pipe, a vortex-shaped linear drip irrigation pipe and a vortex-shaped linear air pipe, wherein the front end of the vortex-shaped linear drip irrigation pipe is connected with the water inlet pipe through a filter, the front end of the vortex-shaped linear air pipe is connected with the air inlet pipe, the vortex-shaped linear air pipe and the vortex-shaped linear drip irrigation pipe are arranged in parallel, and the vortex-shaped linear air pipe and the vortex-shaped linear drip irrigation pipe are fixedly connected; the shape of the vortex line type air pipe and the shape of the vortex line type drip irrigation pipe take equidistant vortex lines as pipeline tracks, a plurality of drip irrigation holes are formed in the side wall of the vortex line type drip irrigation pipe, a plurality of air holes are formed in the side wall of the vortex line type air pipe, and drip emitters are fixed on the drip irrigation holes and are respectively connected with the drip irrigation holes and the air holes. According to the invention, the drip irrigation system is used for carrying out high-efficiency coupled water, fertilizer and gas integrated irrigation, so that the problem of root system hypoxia is solved, the soil environment of a root zone is improved, the optimization of the soil environment of the root zone is realized, and the growth and development of plants are promoted.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation equipment, in particular to a vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and a drip irrigation method.
Background
The underground drip irrigation is an efficient water-saving irrigation technology, the underground drip irrigation device is buried underground, irrigation water and fertilizer can be directly delivered to root areas of crops, surface evaporation and deep leakage are effectively reduced, and the water utilization rate is improved. However, as the capillary tube or the dripper is directly buried in the soil, the water outlet of the capillary tube or the dripper is easy to be blocked, so that the popularization and the application of the capillary tube or the dripper are limited to a certain extent.
Water, fertilizer, gas and heat are indispensable factors in the growth and development of crops, and each plays a specific role in plant growth. The proper gas content and components of the soil in the root zone of the crops are extremely important for the growth of the crops, and the oxygen deficiency in the root zone can weaken the respiration of root systems, influence the transportation of moisture and nutrient substances and inhibit the growth of the crops. Therefore, improving the soil gas environment in the root zone of crops is important for the growth of crops. Under the basis of water and fertilizer irrigation, the root system oxygen deficiency problem that can be solved by carrying out air entrainment irrigation improves the soil environment of the root zone, realizes the optimization of the soil environment of the root zone, promotes the growth and development of plants, improves the yield and quality of crops, can also improve the soil and improves the land productivity.
With the development and popularization of the drip irrigation technology, the drip irrigation system can be used for integrally conveying water, fertilizer, medicine, gas and heat to the root zone of the plant, so that the water-air environment of the root soil is improved, the growth of crops is promoted, and the effects of saving water and increasing yield are achieved. But the existing facilities for water, fertilizer and gas integrated drip irrigation are relatively lacking. In addition, the current drip irrigation water, fertilizer and gas integrated system pipe network is branched, and for one crop, the problems of insufficient uniformity and weak pertinence of irrigation, fertilization and gas filling exist, and the uniformity is not only reflected in the time domain but also in the space. In the time domain, traditional timing drip irrigation is difficult to carry out high-efficient accurate irrigation according to crop actual demand, has hunger one ton condition, is unfavorable for the normal growth of crops, and irrigates that moisture utilization is low, and time homogeneity is poor. In space, traditional single-point irrigation often easily causes the inhomogeneous problem of liquid manure space distribution, is difficult to carry out the pertinence irrigation to the different root zones of crop.
Disclosure of Invention
The invention aims to provide a vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and a drip irrigation method, which are used for carrying out high-efficiency coupled water, fertilizer and gas integrated irrigation through a drip irrigation system, solving the problem of root system hypoxia, improving the soil environment of a root zone, realizing the optimization of the soil environment of the root zone and promoting the growth and development of plants.
According to one object of the invention, the invention provides a vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device, which comprises a water inlet pipe, an air inlet pipe, a vortex-shaped linear drip irrigation pipe and a vortex-shaped linear air pipe, wherein the front end of the vortex-shaped linear drip irrigation pipe is connected with the water inlet pipe through a filter, and the tail end of the vortex-shaped linear drip irrigation pipe is closed; the front end of the vortex line type air pipe is connected with the air inlet pipe, the tail end of the vortex line type air pipe is closed, the vortex line type air pipe is arranged in parallel with the vortex line type drip irrigation pipe, and the vortex line type air pipe is fixedly connected with the vortex line type drip irrigation pipe;
the shape of the vortex line type air pipe and the shape of the vortex line type drip irrigation pipe are taken as pipeline tracks by equidistant vortex lines, a plurality of drip irrigation holes are formed in the side wall of the vortex line type drip irrigation pipe, a plurality of air holes are formed in the side wall of the vortex line type air pipe, drip emitters are fixed on the drip irrigation holes, and the drip emitters are respectively connected with the drip irrigation holes and the air holes.
Further, the tail end of the vortex-shaped linear drip irrigation pipe is sealed through a sealing water gap plug, and the tail end of the vortex-shaped linear air pipe is sealed through a sealing air gap plug.
Further, the pipe wall of the vortex-shaped linear drip irrigation pipe comprises an inner wall and an outer wall, the inner wall and the outer wall are of an integrated structure, and a layer of hydrophilic protective film is arranged on the outer side of the outer wall.
Further, the pipeline track of the vortex line type air pipe is parallel and equidistant to the pipeline track of the vortex line type drip irrigation pipe, and the vortex line type air pipe is fixedly connected to the position right above the vortex line type drip irrigation pipe.
Further, the number of the air holes is the same as that of the drip irrigation holes, and the air holes are arranged in one-to-one correspondence with the drip irrigation holes.
Further, a pressure air guide valve is arranged between the air inlet pipe and the front end of the water inlet pipe, the pressure air guide valve comprises a pressure air valve, an air inlet of the pressure air guide valve is connected with an air outlet on the side edge of the air inlet pipe, and an air outlet of the pressure air guide valve is connected with an air inlet hole on the side wall of the water inlet pipe.
Further, the water inlet pipe is connected with the water and fertilizer integrated machine, and the air inlet pipe is connected with the micro-nano bubble generator.
Further, the drip irrigation emitter comprises a flow control valve and a soil probe, the flow control valve is connected with the drip irrigation hole, the top of the flow control valve is connected with an air duct, the air duct is connected with the air hole, the flow control valve is connected with the drip head through a capillary tube, the water outlet end of the drip head is provided with a drip arrow, the soil probe is fixed at the bottom of the flow control valve, and the soil probe is connected with the control module.
Further, the water outlet arrow of the water dropper is a single-headed arrow or a double-headed arrow or a four-headed arrow.
According to another object of the invention, the invention provides a vortex-shaped linear water-fertilizer-gas integrated underground drip irrigation method, which comprises the following steps:
s1, preparing water and fertilizer liquid required by crops by a water and fertilizer liquid integrated machine; the micro-nano bubble generator works, and the pressurizing air pump pressurizes the air to ensure that the air pressure is higher than the working threshold value of the pressure air guide valve;
s2, enabling the liquid fertilizer to enter a water inlet pipe, then flow to a filter, and enabling gas to enter an air inlet pipe; the pressure air guide valve is opened, part of air flows from the pressure air guide valve to the water inlet pipe, and the dissolved water fertilizer liquid plays a role in stirring;
s3, enabling the water, fertilizer and gas to enter a vortex-shaped linear drip irrigation pipe from a water inlet pipe, and enabling the gas to enter a vortex-shaped linear air pipe from an air inlet pipe;
s4, enabling the water, fertilizer and gas to flow to each drip irrigation hole of the vortex-shaped linear drip irrigation pipe, and enabling the gas to flow to each air hole of the vortex-shaped linear air pipe;
s5, water, fertilizer and gas flow to the corresponding drip irrigation emitter from each drip irrigation hole, the water, fertilizer and gas flow to the drip heads through the capillary tubes and finally uniformly flow out from the drip arrows to the soil near the root system; the gas flows to the dripper through the capillary tube and finally flows out from the dripper to be diffused into the soil near the root system.
According to the technical scheme, the drip irrigation system is used for carrying out high-efficiency coupling water, fertilizer and gas integrated irrigation, so that the problem of root system hypoxia is solved, the soil environment of a root zone is improved, the optimization of the soil environment of the root zone is realized, and the growth and development of plants are promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a drip irrigation emitter according to an embodiment of the present invention;
FIG. 3 is a workflow diagram of an embodiment of the present invention;
in the figure, 1, a water inlet pipe; 2. a filter; 3. a vortex line drip irrigation pipe; 4. a drip irrigation emitter; 5. air holes; 6. drip irrigation holes; 7. a pressure air guide valve; 8. an air inlet pipe; 9. a vortex-shaped linear air pipe; 10. sealing a water gap plug; 11. sealing the air port plugs; 12. capillary tube; 13. a dripper; 14. arrow dripping; 15. an air duct; 16. a flow control valve; 17. a soil probe.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in figures 1 and 2 of the drawings,
the utility model provides a vortex line formula liquid manure gas integration underground drip irrigation device, includes inlet tube 1, intake pipe 5, vortex line formula drip irrigation pipe 3 and vortex line formula trachea 9, and inlet tube 1 is connected with liquid manure integration machine, and intake pipe 8 is connected with micro-nano bubble generator. A pressure air guide valve 7 is arranged between the air inlet pipe 8 and the front end of the water inlet pipe 1, the pressure air guide valve 7 comprises a pressure air valve, an air inlet of the pressure air guide valve 7 is connected with an air outlet on the side edge of the air inlet pipe 8, and an air outlet of the pressure air guide valve 7 is connected with an air inlet hole on the side wall of the water inlet pipe 1.
The pipe wall of the vortex-shaped linear drip irrigation pipe 3 comprises an inner wall and an outer wall which are of an integrated structure, and a layer of hydrophilic protective film is arranged on the outer side of the outer wall. The front end of the vortex-shaped linear drip irrigation pipe 3 is connected with the water inlet pipe 1 through the filter 2, and the tail end of the vortex-shaped linear drip irrigation pipe 3 is sealed and closed through the sealing water gap plug 10.
The front end of the vortex line type air pipe 9 is connected with the air inlet pipe 8, the tail end of the vortex line type air pipe 9 is sealed and closed through the sealing air port plug 11, the vortex line type air pipe 9 is arranged in parallel with the vortex line type drip irrigation pipe 3, and the vortex line type air pipe 9 is fixedly connected with the vortex line type drip irrigation pipe 3;
the shape of the vortex line type air pipe 9 and the shape of the vortex line type drip irrigation pipe 3 take equidistant vortex lines as pipeline tracks, the pipeline tracks of the vortex line type air pipe 9 are parallel and equidistant with the pipeline tracks of the vortex line type drip irrigation pipe 3, and the vortex line type air pipe 9 is fixedly connected right above the vortex line type drip irrigation pipe 3.
The side wall of the vortex-shaped linear drip irrigation pipe 3 is provided with a plurality of drip irrigation holes 6, the side wall of the vortex-shaped linear air pipe 9 is provided with a plurality of air holes 5, the number of the air holes 5 is the same as that of the drip irrigation holes 6, and the air holes 5 and the drip irrigation holes 6 are arranged in a one-to-one correspondence. The drip irrigation hole 6 is fixedly provided with a drip irrigation emitter 4, and the drip irrigation emitter 4 is respectively connected with the drip irrigation hole 6 and the air hole 5.
The drip irrigation emitter 4 comprises a flow control valve 16 and a soil probe 17, the flow control valve 16 is connected with the drip irrigation hole 6, the top of the flow control valve 16 is connected with an air duct 15, the air duct 15 is connected with the air hole 5, the flow control valve 16 is connected with the drip head 13 through the capillary 12, the water outlet end of the drip head 13 is provided with a drip arrow 14, and the water outlet arrow of the drip arrow 14 is a single-head arrow or a double-head arrow or a four-head arrow. A soil probe 17 is fixed at the bottom of the flow control valve 16, and the soil probe 16 is connected with the control module.
A water inlet of a water inlet pipe 1 is connected with a water and fertilizer integrated machine, a water outlet is connected with a filter 2, and an air inlet hole on the side wall of the water inlet pipe 1 is connected with a pressure air guide valve 7. The water inlet pipe 1 has the function of conveying water and fertilizer liquid of the water and fertilizer integrated machine to the filter 2; and micro-nano bubbles in the air inlet pipe 8 are conveyed into the water inlet pipe 1 through the pressure air guide valve 7, so that part of air is dissolved into the liquid fertilizer, the liquid fertilizer is further mixed, and the liquid fertilizer is prevented from precipitating in pipeline transportation. The water and fertilizer integrated machine adopted by the invention has the function of providing water and fertilizer liquid required by crops for the device.
The water inlet of the filter is connected with the water inlet pipe 1, and the water outlet of the filter 2 is connected with the water inlet of the vortex-shaped linear drip irrigation pipe 3. The function of the filter is to further filter out impurities and sediment in the water and fertilizer liquid.
The water inlet of the vortex-shaped linear drip irrigation pipe 3 is connected with the water outlet of the filter 2, the sealing water gap is positioned at the tail end, and the sealing water gap is blocked and sealed by the sealing water gap plug 10. The sealing water gap plug 10 has sealing function when the vortex line type drip irrigation pipe 3 works, and can be detached when the vortex line type drip irrigation pipe 3 is maintained and cleaned, so that high-pressure water flows out of the sealing water gap after cleaning the inner wall of the pipeline of the vortex line type drip irrigation pipe.
The inner diameter of the pipe of the vortex-shaped linear drip irrigation pipe 3 is designed and selected according to the drip irrigation flow requirement of the irrigated crops. The pipe body of the vortex-shaped linear drip irrigation pipe 3 consists of an inner wall and an outer wall, wherein the inner wall is as smooth as possible, and the generation of sediment and the blockage are prevented; the outer wall encloses and has one deck hydrophilic protection film, and its effect is the protection body, and makes the liquid manure liquid that drips irrigation stay around the body for a longer time, reduces the infiltration rate of liquid manure liquid at soil. A vortex line type air pipe 9 is fixedly connected right above the vortex line type drip irrigation pipe 3. The body of the vortex-shaped linear drip irrigation pipe 3 is provided with a plurality of drip irrigation holes 6, the characteristics of the drip irrigation holes 6 comprise the number, the size and the position of the holes, the number and the distribution position of the holes are designed according to the root system growth characteristics (including root system distribution characteristics, root system density, root length density, root system growth speed and the like) and the like of the root system of crops, and the size of the holes is selected according to the drip irrigation flow requirements, the root system density and the like. The drip irrigation hole 6 is connected with a water inlet of the drip irrigation emitter 4, and conveys the water, fertilizer and liquid of the vortex-shaped linear drip irrigation pipe 3 to the drip irrigation emitter 4.
The pipeline shape of the vortex line type drip irrigation pipe 3 takes equidistant vortex lines as pipeline tracks; equidistant vortex line, its characteristic includes the base circle radius, pitch, the number of turns of vortex line. The pitch and the number of turns of the vortex line are designed and selected according to the growth characteristics, nutrient demand characteristics and the like of the root system of the crop, the base circle radius of the vortex line is designed according to the size of the seedling root disc, and the base circle is required to be larger than the seedling root disc.
The air inlet of the vortex-shaped linear air pipe 9 is connected with the air outlet of the air inlet pipe 8, and the sealing air port is blocked and sealed by the sealing air port plug 11 at the tail end. The inner diameter of the pipe of the vortex-shaped linear air pipe 9 is designed and selected according to the requirements of the gas quantity and the air pressure required by the irrigated crops. The pipeline track of the pipe body of the vortex line type air pipe 9 is parallel and equidistant to the pipeline track of the vortex line type drip irrigation pipe 3, and the pipe body is fixedly connected to the position right above the vortex line type drip irrigation pipe 3. The body of the vortex-shaped linear air pipe 9 is provided with a plurality of air holes 5, the characteristics of the air holes 5 comprise the number, the size and the position of the holes, the number and the distribution position of the air holes are determined by drip irrigation holes 6, namely, corresponding air holes 5 are formed right above each drip irrigation hole 6, and the size of the holes is selected according to the gas quantity, the air pressure and the like required by irrigated crops. The air hole 5 is connected with an air inlet of the drip irrigation emitter 4, and conveys air of the vortex-shaped linear air pipe 9 to the drip irrigation emitter 4.
The air inlet of the pressure air guide valve 7 is connected with the side air outlet of the air inlet pipe 8, the air outlet is connected with the air inlet hole of the air inlet pipe 1, the pressure air valve of the pressure air guide valve 7 can be opened unidirectionally when the air in the air inlet reaches a certain pressure, so that the air enters the air inlet pipe 1, and the water and fertilizer liquid of the air inlet pipe is prevented from flowing back into the air inlet pipe 8.
An air inlet of the air inlet pipe 8 is connected with a micro-nano bubble generator, an air outlet at the side edge is connected with an air inlet of the pressure air guide valve 7, and an air outlet is connected with an air inlet of the vortex-shaped linear air pipe 9.
The drip emitters 4 are provided with one drip emitter 4 corresponding to each group of air holes and drip irrigation holes, only one drip emitter 4 is shown in fig. 1, the air inlet of the air duct of the drip emitter 4 is connected with the air holes 5, and the air outlet of the air duct is connected with the air inlet of the flow control valve 16. The capillary tube 12 is connected with the dripper 13, and finally the water fertilizer gas is sent to the root zone of crops. The water outlet of the drip head 13 is connected with the water inlet of the drip arrow 14 for drip irrigation. The water inlet of the water dropper 14 is connected with the water outlet of the water dropper 13, and the water outlet arrow is a single-headed arrow, a double-headed arrow and a four-headed arrow according to the root system characteristics, so that the water and fertilizer liquid is uniformly and stably conveyed to the root zone.
The soil probe 17 is connected with a control module of the valve device, can collect soil information such as soil temperature and humidity, PH value and the like, and feeds the information back to the intelligent control system through wireless transmission.
The flow control valve 16 is connected with the drip irrigation hole 6, so that the liquid fertilizer enters the flow control valve 16, and the liquid fertilizer flows from the flow control valve 16 to the dripper 13 through the water outlet capillary 12; the air inlet of the flow control valve 16 is connected to the air outlet of the air duct 15, so that the air enters the air inlet of the flow control valve 16 and thus the dripper 13.
The flow control valve 16 is composed of a water valve, a gas valve and a control module. In operation, liquid fertilizer or gas fertilizer flows from the water inlet to the water outlet through the water valve, and gas flows from the air inlet to the water outlet through the air valve, and both flows from the water outlet to the dripper 13 through the capillary tube 12. The control module is capable of receiving control signals from the intelligent control system to perform irrigation decisions. The water and fertilizer irrigation device is characterized in that the valve is controlled to switch to control whether water, fertilizer and gas irrigate or not, the opening and closing of the switch are controlled to control the drip irrigation flow, and the opening and closing time of the switch is controlled to control the drip irrigation time.
The single drip irrigation emitter 4 can realize flexible switching of four drip irrigation schemes of water, gas, liquid fertilizer, water, fertilizer and gas. Therefore, by controlling all drip emitters of the device to carry out multipoint drip irrigation, the water, fertilizer and gas regulation and control of different sites of soil can be realized, and the drip irrigation is more efficient and flexible and meets the nutritional requirements of crops. It should be noted that, when the drip irrigation is finished, the gas with pressure is introduced into the dripper 13, so that the soil environment (such as permeability) can be improved, and the dripper can be prevented from being blocked by soil or root systems.
As shown in the figure 3 of the drawings,
a vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation method has four irrigation modes, can realize high-efficiency coupled water, fertilizer and gas integrated underground irrigation, creates a soil environment suitable for growth of crops, and can flexibly switch the irrigation modes according to the needs of the crops in one day to reasonably and scientifically irrigate the crops. In addition, the aerated irrigation can clean the drippers, has a certain root-driving effect, and effectively prevents the drippers from being blocked.
(1) And (3) a clear water irrigation mode:
controlling the water-fertilizer ratio of the water-fertilizer liquid of the water-fertilizer-liquid integrated machine to be 1:0; the water solenoid valve is opened and the gas solenoid valve is closed. At this time, only clean water of the water-fertilizer-liquid integrated machine flows to the device of the invention through the electromagnetic valve for water. The method comprises the following steps:
under the control of the intelligent control system, the water-fertilizer-liquid integrated machine does not prepare water-fertilizer liquid and outputs clear water;
the electromagnetic valve for water is opened, under the action of gravity, clean water flows from the electromagnetic valve for water to the water inlet pipe 1 and then to the filter 2, and impurities are further filtered; the clear water flows to the vortex-shaped linear drip irrigation pipe 3; the clear water flows to each drip irrigation hole 6 of the vortex-shaped linear drip irrigation pipe 3; clear water flows from each drip irrigation hole 6 to the corresponding drip irrigation emitter 4; specific: fresh water enters from the water inlet of the drip irrigation emitter 4 and flows to the water valve of the flow control valve 16, and at the moment, the intelligent control system controls the drip irrigation time and the drip irrigation flow by controlling the opening degree and the opening time of the water valve; clear water flows from the water valve to the capillary 12; the clear water flows to the dripper; the clear water flows to the arrow, and the clear water uniformly flows out from the arrow of the arrow to reach the soil near the root system; the clear water permeates in the soil, and the final part is absorbed by nearby root systems, and the part which permeates downwards is absorbed or lost by other root systems. After a period of time, irrigation ends. And resetting each switching value, and keeping the same with the switching value before irrigation.
(2) And (3) a water and fertilizer irrigation mode:
according to irrigation requirements, preparing water and fertilizer liquid required by crops by a water and fertilizer liquid integrated machine; the water solenoid valve is opened and the gas solenoid valve is closed. At this time, only the water and fertilizer liquid of the water and fertilizer liquid integrated machine flows through the electromagnetic valve for water to the device. The mode is to change clear water in a clear water irrigation mode into water fertilizer liquid, and other processes are consistent.
(3) Gas irrigation mode:
the micro-nano bubble generator works, the pressurizing air pump pressurizes the air, but the air pressure is lower than the working threshold value of the pressure type air valve, at the moment, the water electromagnetic valve is closed, the air electromagnetic valve is opened, and only the air flows to the device through the air electromagnetic valve. The method comprises the following steps:
under the control of the intelligent control system, the micro-nano bubble generator works to convert the gas in the gas tank into micro-nano bubbles to be output, and the gas has certain pressure under the pressurization of the pressurization air pump and is lower than the working threshold value of the pressure type air valve.
The gas solenoid valve is opened, and the gas flows to the gas inlet pipe 8 through the gas solenoid valve; the gas flows to the vortex line type gas pipe 9; the gas flows to each air hole 5 of the vortex line type air pipe 9; the gas flows from each air hole 5 to the corresponding drip irrigation emitter 4 through the air duct 15; specific: the air enters from the air inlet of the drip irrigation emitter 4 and flows to the air valve of the flow control valve 16, and at the moment, the intelligent control system adjusts the air pressure and ventilation time by controlling the opening degree and the opening time of the air valve; gas flows from the gas valve to capillary 12; the gas flows to the dripper; the gas flows to the arrow, the gas diffuses from the arrow of the arrow to the soil near the root system, and the gas diffuses in the soil, so that the soil environment (such as the soil permeability) is improved, and the problems of root system hypoxia and the like are solved. Because the gas has certain pressure, impurities or soil on the drippers or the drippers can be blown away, the gas also has certain root-driving effect, and the drippers can be effectively prevented from being blocked; if the gas has a certain temperature, the ventilation also has the functions of heat preservation and cold protection. And resetting each switching value, and keeping the same with the switching value before irrigation.
(4) Water fertilizer irrigation mode:
according to irrigation requirements, preparing water and fertilizer liquid required by crops by a water and fertilizer liquid integrated machine; the micro-nano bubble generator works, the pressurizing air pump pressurizes the air, so that the air pressure is higher than the working threshold value of the pressure type air valve, the water electromagnetic valve is opened at the moment, the air electromagnetic valve is opened, and the water fertilizer liquid and the air enter the device simultaneously.
Under the control of the intelligent control system, the water, fertilizer and liquid integrated machine works to output water, fertilizer and liquid suitable for crop growth, the micro-nano bubble generator works to convert gas in the gas tank into micro-nano bubbles for output, and the gas has a certain pressure intensity under the pressurization of the pressurization air pump and is higher than the working threshold value of the pressure type air valve.
The electromagnetic valve for water is opened, and under the action of gravity, the water fertilizer gas flows from the electromagnetic valve for water to the water inlet pipe 1 and then to the filter 2, so that impurities are further filtered; the gas solenoid valve is opened, and the gas flows to the gas inlet pipe 8 through the gas solenoid valve; under the action of strong pressure, the pressure air guide valve 7 is opened, part of gas flows from the pressure air guide valve 7 to the water inlet pipe 1 and is dissolved into the water and fertilizer liquid, and as the gas has certain pressure, the gas can play a role in stirring, so that the water and fertilizer are further mixed, the sedimentation of the water and fertilizer liquid caused by long pipeline transportation is reduced, the waste of fertilizer is reduced, and the dripper is not easy to block. The water and fertilizer flows to the vortex-shaped linear drip irrigation pipe 3; part of the gas flows from the inlet pipe to the swirl line pipe 9; the water and fertilizer flows to each drip irrigation hole 6 of the vortex-shaped linear drip irrigation pipe 3); the gas flows to each air hole 5 of the vortex line type air pipe 9; water and fertilizer flows from each drip irrigation hole 6 to the corresponding drip irrigation emitter 4; specific: the water fertilizer gas enters from the water inlet of the drip irrigation emitter 4 and flows to the water valve of the flow control valve 16, and at the moment, the intelligent control system controls the drip irrigation time and the drip irrigation flow by controlling the opening degree and the opening time of the water valve; water and fertilizer gas flows from the water valve to the capillary tube 12; the water and fertilizer flows to the dripper; and (5) flowing water and fertilizer to the arrow drops. The gas flows from each air hole to the corresponding drip irrigation emitter 4 through the air duct 15; specific: gas enters from the inlet of the drip emitter 4 and flows to the valve of the flow control valve 16, at which time the valve is not open and the gas is stopped before the valve. Uniformly flowing out water and fertilizer gas from arrows of the arrow drops to soil near the root system; the water and fertilizer gases permeate in the soil, and the final part is absorbed by nearby root systems, and the part of the water and fertilizer gases permeate downwards to be absorbed or lost by other root systems. And a portion of the undissolved gas begins to diffuse. After a period of time, the water, fertilizer and gas irrigation is finished. And resetting each switching value, and keeping the same with the switching value before irrigation.
The intelligent control system controls the air valve of the flow control valve to be opened; the gas with pressure in the spiral gas pipe flows from the gas valve to the capillary 12 and then flows to the dripper; the gas flows to the arrow. The arrow from the arrow drops into the soil near the root system; at the moment, the part of gas cleans the drippers and the arrows, and simultaneously, a small amount of gas is diffused in the soil, so that the soil environment (such as the soil permeability) is improved, and the problems of root system hypoxia and the like are solved. After a period of time, the gas pressure difference in the vortex line type gas pipe (9) is consumed. The air valve of the flow control valve is closed, and irrigation is finished.
The device provided by the invention has the innovation that the adjustable water, fertilizer and gas integrated underground drip irrigation can be realized, so that the coupling effect of water, fertilizer, gas and heat is generated, the problem of root system hypoxia is solved, a proper soil environment is created for crops, and the growth and development of plants are promoted.
The device has four irrigation modes of water irrigation, water and fertilizer liquid irrigation, air-entrapping irrigation and water and fertilizer gas integrated irrigation, and can be flexibly switched according to the needs of crops in one day to perform reasonable and scientific irrigation work.
The dripper of the device has the advantage of difficult blockage. According to the drip irrigation device, when drip irrigation is carried out, micro-nano bubbles with certain pressure are introduced into the water inlet pipe 1, so that the water and the fertilizer are further uniformly mixed, the water and the fertilizer precipitation caused by long-pipe transportation is reduced, and the dripper is not easy to block. Furthermore, as the water and fertilizer liquid and the gas are alternately irrigated by using the same dripper, the gas irrigation with certain pressure can clean the dripper and has certain root-driving function, thereby further preventing the dripper from being blocked.
Description of other supporting facilities:
the water-fertilizer-liquid integrated machine can provide water-fertilizer liquids with different proportions for crops according to irrigation requirements under the control of the intelligent control system, and is capable of providing tap water for crops when the water-fertilizer-liquid proportion is 1:0, and the water-fertilizer-liquid integrated machine has a height of about 1 meter from the ground, so that the water-fertilizer liquid has a certain pressure.
A gas tank for storing gas required for gas irrigation; the micro-nano bubble generator can convert the gas of the gas tank into micro-nano bubbles. The pressurizing air pump can be used for pressurizing irrigation gas and adjusting the pressure of output gas.
An intelligent control system: controlling the switch of the electromagnetic valve for water to control the supply of water and liquid fertilizer; the switch of the control gas solenoid valve controls the supply of gas; receiving detection signals of a soil probe of the device to acquire soil information (such as temperature and humidity, PH value and the like); and (3) making a soil water, fertilizer and gas regulation strategy according to the soil information and the crop growth characteristics, and sending out an execution signal.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. The vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device is characterized by comprising a water inlet pipe, an air inlet pipe, a vortex-shaped linear drip irrigation pipe and a vortex-shaped linear air pipe, wherein the front end of the vortex-shaped linear drip irrigation pipe is connected with the water inlet pipe through a filter, and the tail end of the vortex-shaped linear drip irrigation pipe is closed; the front end of the vortex line type air pipe is connected with the air inlet pipe, the tail end of the vortex line type air pipe is closed, the vortex line type air pipe is arranged in parallel with the vortex line type drip irrigation pipe, and the vortex line type air pipe is fixedly connected with the vortex line type drip irrigation pipe;
the shape of the vortex line type air pipe and the shape of the vortex line type drip irrigation pipe take equidistant vortex lines as pipeline tracks, a plurality of drip irrigation holes are formed in the side wall of the vortex line type drip irrigation pipe, a plurality of air holes are formed in the side wall of the vortex line type air pipe, drip emitters are fixed on the drip irrigation holes, and the drip emitters are respectively connected with the drip irrigation holes and the air holes; the number of the air holes is the same as that of the drip irrigation holes, and the air holes are arranged in one-to-one correspondence with the drip irrigation holes;
the pipe wall of the vortex-shaped linear drip irrigation pipe comprises an inner wall and an outer wall, wherein the inner wall and the outer wall are of an integrated structure, and a layer of hydrophilic protective film is arranged on the outer side of the outer wall;
a pressure air guide valve is arranged between the air inlet pipe and the front end of the water inlet pipe, the pressure air guide valve comprises a pressure air valve, an air inlet of the pressure air guide valve is connected with an air outlet on the side edge of the air inlet pipe, and an air outlet of the pressure air guide valve is connected with an air inlet hole on the side wall of the water inlet pipe;
the drip irrigation emitter comprises a flow control valve and a soil probe, the flow control valve is connected with a drip irrigation hole, the top of the flow control valve is connected with an air duct, the air duct is connected with an air hole, the flow control valve is connected with a dripper through a capillary tube, a water outlet end of the dripper is provided with a drip arrow, the soil probe is fixed at the bottom of the flow control valve, and the soil probe is connected with a control module.
2. The integrated vortex line type water, fertilizer and gas underground drip irrigation device according to claim 1, wherein the tail end of the vortex line type drip irrigation pipe is sealed by a sealing water gap plug, and the tail end of the vortex line type air pipe is sealed by a sealing air gap plug.
3. The integrated vortex-type linear water, fertilizer and air underground drip irrigation device according to claim 1, wherein the pipeline track of the vortex-type linear air pipe is parallel and equidistant to the pipeline track of the vortex-type linear drip irrigation pipe, and the vortex-type linear air pipe is fixedly connected to the position right above the vortex-type linear drip irrigation pipe.
4. The vortex-shaped linear water-fertilizer-gas integrated underground drip irrigation device according to claim 1, wherein the water inlet pipe is connected with a water-fertilizer integrated machine, and the air inlet pipe is connected with a micro-nano bubble generator.
5. The vortex line type water, fertilizer and gas integrated underground drip irrigation device according to claim 4, wherein the water outlet arrow of the drip arrow is a single-headed arrow or a double-headed arrow or a four-headed arrow.
6. The drip irrigation method of the vortex-shaped linear water-fertilizer-gas integrated underground drip irrigation device according to claim 4, comprising the steps of:
s1, preparing water and fertilizer liquid required by crops by a water and fertilizer integrated machine; the micro-nano bubble generator works, and the pressurizing air pump pressurizes the air to ensure that the air pressure is higher than the working threshold value of the pressure air guide valve;
s2, enabling the liquid fertilizer to enter a water inlet pipe, then flow to a filter, and enabling gas to enter an air inlet pipe; the pressure air guide valve is opened, part of air flows from the pressure air guide valve to the water inlet pipe, and the dissolved water fertilizer liquid plays a role in stirring;
s3, enabling the liquid fertilizer to enter a vortex-shaped linear drip irrigation pipe from a water inlet pipe, and enabling gas to enter a vortex-shaped linear air pipe from an air inlet pipe;
s4, enabling the liquid fertilizer to flow to each drip irrigation hole of the vortex-shaped linear drip irrigation pipe, and enabling the gas to flow to each air hole of the vortex-shaped linear air pipe;
s5, water and fertilizer liquid flows to the corresponding drip irrigation emitter from each drip irrigation hole, the water and fertilizer liquid flows to the drip heads through the capillary tubes and finally uniformly flows out from the drip arrows to reach soil near the root system; the gas flows to the dripper through the capillary tube and finally flows out from the dripper to be diffused into the soil near the root system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307680.6A CN114532197B (en) | 2022-03-25 | 2022-03-25 | Vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and drip irrigation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307680.6A CN114532197B (en) | 2022-03-25 | 2022-03-25 | Vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and drip irrigation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114532197A CN114532197A (en) | 2022-05-27 |
| CN114532197B true CN114532197B (en) | 2023-06-02 |
Family
ID=81665027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210307680.6A Active CN114532197B (en) | 2022-03-25 | 2022-03-25 | Vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and drip irrigation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114532197B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115486359B (en) * | 2022-09-20 | 2023-12-01 | 广州大学 | Self-adaptive anti-blocking underground micro-irrigation device and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104871708B (en) * | 2015-04-14 | 2017-03-22 | 昆明理工大学 | Underground water, fertilizer and gas integrated irrigation system |
| CN207083719U (en) * | 2017-08-17 | 2018-03-13 | 广东飘之绿名木古树保护有限公司 | A kind of ancient tree deep insertion filtration irrigation device |
| CN209768495U (en) * | 2019-02-15 | 2019-12-13 | 江西伊禾农产品科技发展有限公司 | irrigation equipment in hillside orchard |
| CN110178710A (en) * | 2019-07-03 | 2019-08-30 | 西安理工大学 | A kind of irrigation rig and irrigation method based on the response of root region soil water stress |
| CN210352525U (en) * | 2019-07-03 | 2020-04-21 | 西安理工大学 | A irrigation equipment for root zone soil root layer moisture |
| CN111869554A (en) * | 2020-08-13 | 2020-11-03 | 山东省果树研究所 | Water-saving irrigation system for fruit trees and application |
| CN214155388U (en) * | 2020-12-29 | 2021-09-10 | 北京如景生态园林绿化有限公司 | Tree root infiltrating irrigation structure of ventilating |
-
2022
- 2022-03-25 CN CN202210307680.6A patent/CN114532197B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114532197A (en) | 2022-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114223521B (en) | Drip irrigation device based on root system space distribution | |
| CN101233822B (en) | Multi-layer tide irrigation raise seedling device | |
| CN201752202U (en) | Automatic nutrient solution circulating system of miniature vegetable factory | |
| CN107466573B (en) | Water, fertilizer, gas and heat integrated drip irrigation intelligent control device and control method | |
| CN106508508A (en) | Greenhouse-planting water-and-fertilizer-integration cluster irrigation system and method | |
| CN202374690U (en) | Loop closed group flow drop irrigation, preparation and fertilization system | |
| CN105532413A (en) | Natural light utilization type plant factory system for factory production of vegetables | |
| CN114532197B (en) | Vortex-shaped linear water, fertilizer and gas integrated underground drip irrigation device and drip irrigation method | |
| CN101087517B (en) | Plant culturing device | |
| CN205030116U (en) | Greenhouse water planting cyclic irrigation system | |
| CN109964614A (en) | A kind of water-fertilizer integral system | |
| CN114568270B (en) | Irrigation method of alternative irrigation system for near-far root zone | |
| CN204168858U (en) | Plant indoor growing system | |
| CN110999776A (en) | Intelligent floating seedling raising device capable of automatically regulating and controlling parameters of nutrient solution | |
| CN212232475U (en) | Water, fertilizer and gas integrated drip irrigation system | |
| CN212786625U (en) | A accurate fertilization system for farming | |
| CN111066439B (en) | Water, fertilizer, gas and heat integrated irrigation system | |
| CN114568269B (en) | Multi-root-zone circulation alternate drip irrigation method | |
| CN207531569U (en) | A kind of bamboo seedling water planting self-loopa culture system | |
| CN114651582B (en) | Alternate irrigation method for water, fertilizer and gas root-divided areas | |
| CN213029412U (en) | Siphon device for plant cultivation device | |
| CN107801623A (en) | A kind of bamboo seedling water planting self-loopa culture system | |
| CN110959520A (en) | Soilless culture solution preparation device and irrigation system | |
| CN106718329A (en) | A kind of planting greenhouse of changes in temperature self-regulation | |
| CN208286083U (en) | A kind of circulation liquid manure cultivation apparatus without soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiaochu Inventor after: Zheng Jiapeng Inventor after: Liang Zhongwei Inventor after: Xiao Jinrui Inventor before: Liu Xiaochu Inventor before: Zheng Jiapeng Inventor before: Liang Zhongwei Inventor before: Xiao Jinrui |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiaochu Inventor after: Zheng Jiapeng Inventor after: Liang Zhongwei Inventor after: Xiao Jinrui Inventor before: Liu Xiaochu Inventor before: Zheng Jiapeng Inventor before: Liang Zhongwei Inventor before: Xiao Jinrui |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |