CN115039679A - Antigravity directional water guide bionic water-saving irrigation device and method - Google Patents
Antigravity directional water guide bionic water-saving irrigation device and method Download PDFInfo
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- CN115039679A CN115039679A CN202210695050.0A CN202210695050A CN115039679A CN 115039679 A CN115039679 A CN 115039679A CN 202210695050 A CN202210695050 A CN 202210695050A CN 115039679 A CN115039679 A CN 115039679A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000003973 irrigation Methods 0.000 title claims abstract description 51
- 230000002262 irrigation Effects 0.000 title claims abstract description 50
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 117
- 239000004744 fabric Substances 0.000 claims abstract description 101
- 238000003860 storage Methods 0.000 claims abstract description 29
- 241000196324 Embryophyta Species 0.000 claims abstract description 23
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 23
- 239000002121 nanofiber Substances 0.000 claims abstract description 23
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 16
- 239000004626 polylactic acid Substances 0.000 claims abstract description 16
- 239000002585 base Substances 0.000 claims description 14
- 239000000017 hydrogel Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000009832 plasma treatment Methods 0.000 claims description 5
- 240000008564 Boehmeria nivea Species 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 239000003621 irrigation water Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 8
- 229920002239 polyacrylonitrile Polymers 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000003583 soil stabilizing agent Substances 0.000 description 1
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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
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/04—Self-acting watering devices, e.g. for flower-pots using wicks or the like
- A01G27/06—Self-acting watering devices, e.g. for flower-pots using wicks or the like having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
Abstract
The invention discloses a bionic water-saving irrigation device and method for antigravity directional water guide, and belongs to the technical field of agricultural water saving. The device comprises a waterproof cloth, a fiber bundling body, a one-way water guide cloth, a water storage cloth and a water delivery pipe, wherein the one-way water guide cloth comprises a polylactic acid spunlace non-woven cloth and an electrostatic spinning nanofiber layer, the water storage cloth is arranged above the one-way water guide cloth, a plant root moving area is arranged above the water storage cloth, the fiber bundling body is located between the one-way water guide cloth and the waterproof cloth, and the fiber bundling body comprises a fiber bundling body main part and a fiber bundling body branch part. The invention has good water-saving effect, improves the utilization rate of agricultural irrigation water, realizes the antigravity one-way delivery of water and solves the problem that the existing irrigation system is easy to leak to the deep layer; and water is conveyed by means of the wicking action among fibers without the support of a water pump, the problem that the pipe orifice of the conventional irrigation system is easy to block is solved, and the irrigation system is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to a bionic water-saving irrigation device and method for antigravity directional water guiding, and belongs to the technical field of agricultural water saving.
Background
China is a big agricultural country with water resource shortage and uneven space-time distribution, the annual average water consumption of agricultural irrigation accounts for about 56 percent of the total water consumption of the whole society, the utilization rate of agricultural irrigation water is less than 50 percent, and a large amount of water is wasted due to evaporation in the irrigation process, so that the development of water-saving agriculture is a necessary way for the development of modern agriculture in China and is an effective way for relieving the water shortage condition of agriculture in China.
Most of the irrigation systems in the market at present are those for conveying water through pipelines such as sprinkling irrigation, drip irrigation, micro-irrigation and the like, namely, the water is conveyed into a farm field by virtue of a water pump and a pipeline system or the fall of a natural water source, or the water conveying pipeline is buried near the root of a plant at the bottom of the ground for irrigation. Although the pipeline water delivery irrigation system can reduce the evaporation of water in the irrigation process to a certain extent and improve the utilization rate of irrigation water, the pipeline water delivery irrigation system still has many problems, such as easy blockage of pipelines, easy deep leakage of water, difficult degradation of pipeline materials, pressurization of water delivery by a mechanical pump, incapability of regulating and controlling water quantity according to crop needs and the like. Therefore, an efficient and environment-friendly agricultural water-saving irrigation system needs to be developed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a bionic water-saving irrigation device and method for antigravity directional water guiding, which have good water-saving effect, improve the utilization rate of agricultural irrigation water, realize the antigravity one-way delivery of water and solve the problem that the existing irrigation system is easy to leak to the deep layer; and water is conveyed by means of the wicking action among fibers without the support of a water pump, the problem that the pipe orifice of the conventional irrigation system is easy to block is solved, and the irrigation system is energy-saving and environment-friendly.
The invention provides a bionic water-saving irrigation device capable of directionally guiding water by antigravity, which comprises a waterproof cloth, a fiber bundling body, a one-way water guiding cloth, a water storage cloth and a water delivery pipe, wherein the one-way water guiding cloth comprises polylactic acid spunlace non-woven cloth and an electrostatic spinning nanofiber layer, the water storage cloth is arranged above the one-way water guiding cloth, a plant root moving region is arranged above the water storage cloth, the fiber bundling body is positioned between the one-way water guiding cloth and the waterproof cloth, the fiber bundling body comprises a fiber bundling body main part and a fiber bundling body branch part, a plurality of fiber bundling body branch parts are uniformly connected above the fiber bundling body main part in the circumferential direction, a degradable hollow pipe is sleeved outside the fiber bundling body main part, a plurality of water outlet holes are uniformly formed in the fiber bundling body branch part, and the number of the fiber bundling bodies is a plurality, a foam support member is disposed between adjacent fiber bundles.
In one embodiment of the present invention, the tarpaulin is a polyurethane coated canvas.
In one embodiment of the present invention, the trunk portion of the fiber bundle is alkali treated ramie.
In one embodiment of the invention, the water storage cloth is a woven cloth dip-coated with a pure acrylamide hydrogel.
In one embodiment of the invention, the unidirectional water-guiding fabric is prepared by taking polylactic acid spunlace nonwoven fabric as a base fabric, performing electrostatic spinning on one side of the base fabric to obtain an electrostatic spinning nanofiber layer, and performing plasma treatment on the electrostatic spinning nanofiber layer, wherein the electrostatic spinning nanofiber layer is a PAN nanofiber layer.
In one embodiment of the invention, the fibers inside the fiber bundle are formed with capillary channels, and the bundling density of the fiber bundle main portion is smaller than the bundling density of the fiber bundle branch portions, so that the capillary channel diameter of the fiber bundle branch portions is smaller than the fiber bundle main portion capillary channel diameter.
In one embodiment of the invention, the degradable hollow tube is made of a water impermeable material.
In one embodiment of the invention, the fiber assembly body branch portion is also covered with a water-impermeable degradable hollow tube.
In one embodiment of the invention, one end of the water delivery pipe is communicated with the outside, and the other end of the water delivery pipe is communicated between the one-way water guide cloth and the waterproof cloth.
The invention also provides a bionic water-saving irrigation method for antigravity directional water guiding, which comprises the following steps:
the method comprises the following steps: treating canvas with PU coating to obtain waterproof cloth;
step two: preparing a fiber bundling body by a textile technology, coating a main trunk part of the fiber bundling body by using a water-tight degradable hollow pipe, arranging a plurality of branch parts of the fiber bundling body above the main trunk part of the fiber bundling body, coating each branch part of the fiber bundling body by using the water-tight degradable hollow pipe, controlling proper bundling density, ensuring that the bundling density of the main trunk part of the fiber bundling body is less than that of the branch parts of the fiber bundling body, forming a conduit structure similar to a plant xylem, and gradually reducing the pore diameter of the conduit from bottom to top so as to guide the unidirectional flow of moisture;
step three: spinning an electrostatic spinning nanofiber layer on one side of the polylactic acid spunlace non-woven fabric by an electrostatic spinning technology, and treating the layer by using plasma;
step four: preparing PAM hydrogel on a woven base fabric to obtain water storage cloth;
step five: water is input through the water delivery pipe, one end of the fiber bundling body is contacted with the water, the water is delivered upwards through the wicking action, and the water is stored by the hydrogel of the water storage cloth after passing through the one-way water guide cloth; the water can be conveyed to the plant root active area by the water storage cloth, and self-adaptive irrigation is realized according to the requirement of the plant on the water.
Advantageous effects
(1) The water-saving effect is good, the utilization rate of agricultural irrigation water is improved, the fiber bundling body and the one-way water guide cloth have special structures, the antigravity one-way delivery of water is realized, and the problem that the conventional irrigation system is easy to leak to the deep layer is solved.
(2) The environment-friendly soil stabilizer is green and environment-friendly, accords with the sustainable development concept, is mainly made of degradable materials, does not need to be recycled after the service life is prolonged, can be decomposed by microorganisms in soil, and avoids environmental pollution.
(3) The irrigation system is energy-saving, does not need water pump support, conveys moisture by means of wicking among fibers, and solves the problem that the pipe orifice of the existing irrigation system is easy to block.
(4) The fibers in the fiber bundling body can form capillary channels within a certain distance range, moisture infiltrates the fibers, and can exert pulling force on the lower moisture to enable the lower moisture to rise along the capillary channels until the upward pulling force is equal to the gravity borne by a liquid column in the capillary, so that the moisture is transported, and the fiber bundling body is energy-saving and environment-friendly.
(5) The fiber bundling body is externally coated by a waterproof degradable hollow pipe, and the bundling density of the main part of the fiber bundling body is controlled to be smaller than that of the branch part of the fiber bundling body, so that the diameter of a capillary channel of the branch part of the fiber bundling body is smaller than that of the capillary channel of the main part of the fiber bundling body. When liquid flows into the thinner branch pipeline from the thicker pipeline, the flow speed of the liquid is increased, and the liquid pressure borne by the thin pipeline is higher relative to the pressure borne by the thick pipeline, so that the transportation of moisture is accelerated; the base cloth of the unidirectional water guide cloth is polylactic acid spunlace non-woven cloth, the aperture of the base cloth is larger than that of a PAN nano-fiber layer obtained by electrostatic spinning, the hydrophilicity of the PAN nano-fiber layer after plasma treatment is superior to that of the polylactic acid spunlace non-woven cloth, a large-aperture-small-aperture hydrophobic-hydrophilic structure is formed from bottom to top, unidirectional moisture transportation can be realized, and the unidirectional water guide cloth is convenient, rapid, energy-saving and efficient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the antigravity directional water guiding bionic water-saving irrigation device of the invention;
FIG. 2 is a schematic view of the construction of the fiber assembly of the present invention;
in the figure: 1. waterproof cloth; 2. a fiber bundle trunk portion; 3. a foam support; 4. a degradable hollow pipe; 5. a fiber cluster body branch portion; 6. polylactic acid spunlace non-woven base cloth; 7. electrospinning a nanofiber layer; 8. water storage cloth; 9. a plant root active zone; 10. a water delivery pipe; 11. and (7) water outlet holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
The embodiment provides a bionic water-saving irrigation device capable of directionally guiding water by antigravity, which comprises a waterproof cloth 1, a fiber bundling body, a one-way water guiding cloth, a water storage cloth 8 and a water conveying pipe 10, wherein the one-way water guiding cloth comprises a polylactic acid spunlace non-woven fabric 6 and an electrostatic spinning nanofiber layer 7, the water storage cloth 8 is arranged above the one-way water guiding cloth 8, a plant root moving area 9 is arranged above the water storage cloth 8, the fiber bundling body is positioned between the one-way water guiding cloth and the waterproof cloth 1, the fiber bundling body comprises a fiber bundling body main part 2 and fiber bundling body branch parts 5, the fiber bundling body branch parts 5 are uniformly connected above the fiber bundling body main part 2 in the circumferential direction, a hollow pipe 4 is sleeved outside the fiber bundling body main part 2, and a plurality of water outlet holes 11 are uniformly formed in the fiber bundling body branch parts 5, the number of the fiber bundling bodies is several, and a foam supporting piece 3 is arranged between the adjacent fiber bundling bodies.
Further, the tarpaulin 1 is a polyurethane coating canvas.
Further, the main dry part 2 of the fiber bundling body is alkali-treated ramie.
Further, the water storage cloth 8 is woven cloth dipped with pure acrylamide hydrogel; the water storage cloth 8 can also be formed by compounding hydrogel made of different materials and woven cloth.
Furthermore, the unidirectional water guide cloth is prepared by taking polylactic acid spunlace non-woven cloth 6 as base cloth, obtaining an electrostatic spinning nanofiber layer 7 on one side through electrostatic spinning and then performing plasma treatment, wherein the electrostatic spinning nanofiber layer is a PAN (polyacrylonitrile) nanofiber layer.
Further, the fibers inside the fiber bundle body are formed with capillary channels, and the bundling density of the fiber bundle body main portion 2 is smaller than that of the fiber bundle body branch portions 5, so that the capillary channel diameter of the fiber bundle body branch portions 5 is smaller than that of the fiber bundle body main portion 2.
Further, one end of the water delivery pipe 10 is communicated with the outside, and the other end of the water delivery pipe is communicated between the one-way water guide cloth and the waterproof cloth 1.
Preferably, the fibers in the fiber bundle body are degradable fibers with good hydrophilicity and water absorbability.
Optionally, the fibers inside the fiber bundle body are alkali-treated ramie fibers and cotton fibers.
Preferably, the degradable hollow tube 4 is made of a water impermeable material.
The working principle of the embodiment is as follows: the fiber in the fiber bundling body can form a capillary channel within a certain distance range, moisture infiltrates the fiber, and can exert pulling force on the moisture below to enable the moisture to rise along the capillary channel until the upward pulling force is equal to the gravity borne by a liquid column in the capillary, so that the moisture is transported. The outside of the fiber bundling body is coated by a waterproof degradable hollow pipe 4, and the bundling density of the main part 2 of the fiber bundling body is controlled to be smaller than that of the branch part 5 of the fiber bundling body, so that the diameter of a capillary channel of the branch part 5 of the fiber bundling body is smaller than that of the capillary channel of the main part 2 of the fiber bundling body. As liquid flows from the thicker conduit into the thinner branch conduit, the flow rate of the liquid increases, and the liquid pressure experienced by the thinner conduit is greater relative to the pressure experienced by the thicker conduit, thereby accelerating the transport of moisture. The base cloth of the unidirectional water guide cloth is polylactic acid spunlace non-woven cloth 6, the aperture of the base cloth is larger than that of a PAN nano-fiber layer obtained by electrostatic spinning, the hydrophilicity of the PAN nano-fiber layer after plasma treatment is superior to that of the polylactic acid spunlace non-woven cloth 6, a large-aperture-small-aperture hydrophobic-hydrophilic structure is formed from bottom to top, and unidirectional water transport can be realized.
The hydrogel of the water storage cloth 8 has the function of storing water, and after the plant roots absorb water from the soil, when the water content in the soil is lower than that in the hydrogel, the hydrogel can release water to the soil, so that the water content in the soil is maintained, the irrigation period is prolonged, and the utilization rate of irrigation water is improved. In addition, the base cloth of the water storage cloth 8 is woven cloth, so that certain strength is achieved, and damage to the lower device caused by the plant root system can be prevented.
Example 2
The embodiment provides an antigravity directional water guide bionic water-saving irrigation method, which applies the antigravity directional water guide bionic water-saving irrigation device provided by the embodiment 1 and comprises the following steps:
the method comprises the following steps: carrying out PU (polyurethane) coating treatment on canvas to obtain a waterproof cloth 1;
step two: preparing a fiber bundling body by a textile technology, coating a fiber bundling body main part 2 by using a water-tight degradable hollow pipe 4, arranging a plurality of fiber bundling body branch parts 5 above the fiber bundling body main part 2, coating each fiber bundling body branch part 5 by using the water-tight degradable hollow pipe 4, controlling proper bundling density, ensuring that the bundling density of the fiber bundling body main part 2 is less than that of the fiber bundling body branch parts 5, forming a similar plant xylem conduit structure, and gradually reducing the pore diameter of the conduit from bottom to top so as to guide the unidirectional flow of moisture;
step three: spinning an electrostatic spinning nanofiber layer 7 on one side of a polylactic acid spunlace non-woven fabric 6 by an electrostatic spinning technology, and treating with plasma;
step four: preparing PAM (polyacrylamide) hydrogel on a woven base fabric to obtain a water storage fabric 8;
step five: water is input through the water pipe 10, one end of the fiber bundling body is contacted with the water, the water is conveyed upwards through the wicking action, and the water is stored by the hydrogel of the water storage cloth 8 after passing through the one-way water guide cloth; moisture can be delivered to the plant root active area 9 by the water storage cloth 8, and self-adaptive irrigation is realized according to the requirement of the plant on the moisture.
Example 3
The embodiment provides an application of a bionic water-saving irrigation device for antigravity directional water guiding:
the water delivery pipe 10 is directly connected with an external water source and delivers water when the object needs irrigation. When water is delivered, the water flow is controlled to be matched with the water absorption speed of the fiber bundling body, and water reaches the active area of the root of the plant in the soil layer after passing through the fiber bundling body, the one-way water guide cloth and the water storage cloth and is absorbed by the plant. Can satisfy the irrigation of greenhouse planting or garden plants.
The water conveying pipes 10 are communicated to form a main pipeline and branch pipelines, and the intelligent regulation and control system is used for realizing the partition regulation and control according to different water demands of plants in each region.
Example 4
The embodiment also provides application of the bionic water-saving irrigation device for antigravity directional water guiding:
the water collecting device is connected with the water delivery pipe 10 in the arid region, so that the growth of plants with less water requirement in the desert region can be met. Can be applied to the fields of vegetation restoration and the like, and the device can be degraded except the water conveying pipe 10 without subsequent recovery treatment.
Example 5
The embodiment further provides an application of the bionic water-saving irrigation device for antigravity directional water guiding:
the device can be arranged in an indoor pot plant, and water is directly added into the water delivery pipe 10 when the plant needs to be irrigated.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. A bionic water-saving irrigation device capable of directionally guiding water by antigravity is characterized by comprising a waterproof cloth (1), a fiber bundling body, a one-way water guiding cloth, a water storage cloth (8) and a water conveying pipe (10), wherein the one-way water guiding cloth comprises a polylactic acid spunlace non-woven fabric (6) and an electrostatic spinning nanofiber layer (7), the water storage cloth (8) is arranged above the one-way water guiding cloth, a plant root moving area (9) is arranged above the water storage cloth (8), the fiber bundling body is positioned between the one-way water guiding cloth and the waterproof cloth (1), the fiber bundling body comprises a fiber bundling body main part (2) and fiber bundling body branch parts (5), a plurality of fiber bundling body branch parts (5) are circumferentially and uniformly connected above the fiber bundling body main part (2), a hollow pipe (4) is sleeved outside the fiber bundling body main part (2), a plurality of water outlet holes (11) are uniformly formed in the branch parts (5) of the fiber bundling bodies, a plurality of fiber bundling bodies are arranged, and foam supporting pieces (3) are arranged between the adjacent fiber bundling bodies.
2. The antigravity directional water guide bionic water-saving irrigation device according to claim 1, wherein the tarpaulin (1) is a polyurethane coated canvas.
3. The antigravity directional water guide bionic water-saving irrigation device as claimed in claim 2, wherein the main part (2) of the fiber bundling body is alkali-treated ramie.
4. The antigravity directionally water guiding bionic water-saving irrigation device according to claim 3, wherein the water storage cloth (8) is woven cloth dip-coated with pure acrylamide hydrogel.
5. The antigravity directional water guide bionic water-saving irrigation device according to claim 4, wherein the unidirectional water guide cloth is prepared by taking polylactic acid spunlace nonwoven cloth (6) as a base cloth, performing electrostatic spinning on one side of the base cloth to obtain an electrostatic spinning nanofiber layer (7), and performing plasma treatment on the electrostatic spinning nanofiber layer, wherein the electrostatic spinning nanofiber layer is a PAN nanofiber layer.
6. The antigravity directional water guide bionic water-saving irrigation device according to claim 5, characterized in that capillary channels are formed in the fibers inside the fiber bundling body, the bundling density of the fiber bundling body main part (2) is smaller than that of the fiber bundling body branch part (5), so that the diameter of the capillary channels of the fiber bundling body branch part (5) is smaller than that of the fiber bundling body main part (2).
7. The antigravity directionally water guiding bionic water-saving irrigation device according to claim 6, wherein the degradable hollow tube (4) is made of a water-impermeable material.
8. The antigravity directionally water guiding bionic water-saving irrigation device according to claim 7, wherein the fiber bundle branch part (5) is also covered with a water-tight degradable hollow pipe (4).
9. The antigravity directional water guide bionic water-saving irrigation device according to claim 8, wherein one end of the water delivery pipe (10) is communicated with the outside, and the other end of the water delivery pipe is communicated between the one-way water guide cloth and the waterproof cloth (1).
10. An antigravity directional water guide bionic water-saving irrigation method, which is characterized in that the antigravity directional water guide bionic water-saving irrigation device of any one of claims 1-9 is applied, and the method comprises the following steps:
the method comprises the following steps: carrying out PU coating treatment on the canvas to obtain a waterproof cloth (1);
step two: preparing a fiber bundling body by a textile technology, coating a fiber bundling body main part (2) by using a water-tight degradable hollow pipe (4), arranging a plurality of fiber bundling body branch parts (5) above the fiber bundling body main part (2), coating each fiber bundling body branch part (5) by using the water-tight degradable hollow pipe (4), controlling proper bundling density, ensuring that the bundling density of the fiber bundling body main part (2) is less than that of the fiber bundling body branch parts (5), forming a similar plant xylem conduit structure, and gradually reducing the pore diameter of the conduit from bottom to top so as to guide the unidirectional flow of moisture;
step three: spinning an electrostatic spinning nanofiber layer (7) on one side of the polylactic acid spunlace non-woven fabric (6) by an electrostatic spinning technology, and treating the polylactic acid spunlace non-woven fabric with plasma;
step four: preparing PAM hydrogel on a woven base fabric to obtain a water storage fabric (8);
step five: moisture is input through the water conveying pipe (10), one end of the fiber bundling body is contacted with the moisture, the moisture is conveyed upwards through the wicking action, and the moisture is stored by hydrogel of the water storage cloth (8) after passing through the one-way water guide cloth; moisture can be transported to the plant root active area (9) by the water storage cloth (8) and self-adaptive irrigation is realized according to the demand of the plant for the moisture.
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| CN202210695050.0A CN115039679A (en) | 2022-06-20 | 2022-06-20 | Antigravity directional water guide bionic water-saving irrigation device and method |
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| CN202210695050.0A CN115039679A (en) | 2022-06-20 | 2022-06-20 | Antigravity directional water guide bionic water-saving irrigation device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435523A (en) * | 2022-07-20 | 2022-12-06 | 浙江师范大学 | Solid passive evaporative cooling system and method |
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