CN108377723B - Hydraulic propagation wetland plant seed capturing device and method - Google Patents
Hydraulic propagation wetland plant seed capturing device and method Download PDFInfo
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- CN108377723B CN108377723B CN201810390792.6A CN201810390792A CN108377723B CN 108377723 B CN108377723 B CN 108377723B CN 201810390792 A CN201810390792 A CN 201810390792A CN 108377723 B CN108377723 B CN 108377723B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D44/00—Harvesting of underwater plants, e.g. harvesting of seaweed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D91/00—Methods for harvesting agricultural products
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The invention relates to a device and a method for capturing wetland plant seeds by hydraulic transmission, belonging to the technical field of ecological engineering. The capturing device is characterized by comprising a buoyancy base and at least 1 conical net cover; the conical net cover is of a conical structure with an open bottom surface, and a plurality of meshes are distributed on the conical surface of the conical net cover; the mesh is provided with a structure which can supply water and plant seeds to penetrate but can prevent the plant seeds from penetrating out; the bottom surface of the conical net cover is connected with the top surface of the buoyancy base; the capturing device can be fixed at a certain position in water through a fixing component; the buoyancy F provided by the buoyancy base Floating device The following conditions are satisfied: g Device and method for controlling the same ‑0.8×ρ Water and its preparation method gV Device and method for controlling the same ≤F Floating device ≤G Device and method for controlling the same ‑0.4×ρ Water and its preparation method gV Device and method for controlling the same The method comprises the steps of carrying out a first treatment on the surface of the The G is Device and method for controlling the same Refer to the weight of the capture device, ρ Water and its preparation method Refers to the water density, g is the gravity coefficient, V Device and method for controlling the same Refers to the capture device volume. The device and method of the present invention captures several times higher amounts of seeds than prior methods.
Description
Technical Field
The invention relates to the technical field of ecological engineering, in particular to a seed capturing device and method for wetland plants.
Background
Wetland plants (wetlands plants) generally refer to plants grown in the Wetland environment, and broad-sense Wetland plants refer to plants grown in wetlands, peat lands, or water areas where the water depth does not exceed six meters at low tide; a narrow wetland plant is one that grows in an amphibious junction, a moist soil or shallow water-bearing environment. The wetland plants can directly provide industrial raw materials, foods, ornamental flowers, medicinal materials and the like for human beings and play a key role in the wetland ecosystem.
The hydraulic transmission is one of the most main transmission ways of wetland plants, and has important ecological significance for wetland plant propagation and wetland restoration. At present, the method for acquiring the wet plant water sowing seeds is to use a nylon net for fishing, and is time-consuming and labor-consuming, difficult to control the plant seed maturation time, less in acquisition amount and difficult to acquire a large amount of wet plant seeds.
Thus, it is necessary to harvest the wetland plant seeds using a suitable device.
There is also some plant seeds's of structure inequality capturing device among the prior art at present, for example, current device of catching wetland plant water planting seed, it includes the pole setting, the rectangle riser, a plurality of rectangle boards, a plurality of palm fibre filter screen and a plurality of rectangle frame, be provided with a plurality of rectangle boards that are the level and place from top to bottom on the wide side of its length direction of rectangle riser, be the wide side of the thickness direction of a plurality of rectangle boards that the level was placed and all be connected with the rectangle riser, all be provided with the rectangle frame that a slope was placed on the long face of the last longwall face of every rectangle board, a plurality of rectangle frame parallel arrangement, a wide side of the thickness direction of rectangle frame that sets up on the long face of rectangle board all is connected with the wide side of the length direction of rectangle riser, another wide side of the thickness direction of rectangle frame that sets up on the long face of rectangle board and the last long face of respective rectangle board are connected, and all have the contained angle between the long face of the last long face of the long face of every rectangle frame and the last long face of respective rectangle board, the long face of every rectangle frame is connected with the corresponding filter screen of the corresponding rectangle fibre filter screen of the corresponding side of each rectangle riser, the bottom of the rectangle frame is connected with another edge of the rectangle frame.
The capturing device for the water sowing seeds in the river system comprises a cylinder, a polyester pad layer, a cover plate, a wood pile, a fixing rope and two plastic bottles, wherein the inner diameter of the cylinder is 25-30 cm, the length of the cylinder is 25-30 cm, the two plastic bottles are symmetrically arranged on two side walls of the cylinder along the length direction of the cylinder, the two plastic bottles are respectively provided with a bottle cap, the volume of each plastic bottle is 1.5-3 liters, the inner wall of the cylinder is provided with the polyester pad layer, the cover plate covers one end of the cylinder, a central through hole is formed in the cover plate, the inner diameter of the central through hole is consistent with the inner diameter of the polyester pad layer, and the cylinder is tied at the upper end of the wood pile through the fixing rope.
In the prior device, although the multi-layer net cover is arranged in consideration of water level fluctuation, the seed harvesting is more effective in the water level falling process, and when the water level rises, the seeds harvested by the low-layer net cover are easily washed away by water; wood materials are easy to damage after being soaked in water for a long time; the contact surface or the collecting port is too small, so that seeds are not easy to collect; the harvested seeds cannot be distinguished, and the simple, convenient and efficient universality requirements of harvesting the hydraulically transmitted plant seeds cannot be met.
There is a need in the art to develop a new device for harvesting hydraulically transmitted plant seeds, particularly wetland plant seeds, that is simple in structure, low in cost, wide in range, and high in efficiency.
Disclosure of Invention
The invention aims to provide an effective device and method for harvesting hydraulically-transmitted wetland plant seeds, which are simple and feasible and have low cost, and can simply classify the harvested seeds, thereby laying a good foundation for artificial propagation of wetland plants.
The technical scheme of the invention is as follows:
in one aspect, the invention provides a hydraulically propagated plant seed capture device comprising a buoyancy baseA seat and at least 1 cone screen; the conical net cover is of a conical structure with an open bottom surface, and a plurality of meshes are distributed on the conical surface of the conical net cover; the mesh is provided with a structure which can supply water and plant seeds to penetrate but can prevent the plant seeds from penetrating out; the bottom surface of the conical net cover is connected with the top surface of the buoyancy base; the capturing device can be fixed at a certain position in water through a fixing component; the buoyancy F provided by the buoyancy base Floating device The following conditions are satisfied:
G device and method for controlling the same -0.8×ρ Water and its preparation method gV Device and method for controlling the same ≤F Floating device ≤G Device and method for controlling the same -0.4×ρ Water and its preparation method gV Device and method for controlling the same ；
The G is Device and method for controlling the same Refer to the weight of the capture device, ρ Water and its preparation method Refers to the water density, g is the gravity coefficient, V Device and method for controlling the same Refers to the capture device volume.
The net cover with the conical structure is adopted, and the conical contact surface of the net cover and the water body can ensure that the net cover contacts the water body in a large area, so that plant seeds with hydraulic transmission can be captured as much as possible; the buoyancy setting of the buoyancy base ensures that the capturing device of the invention is installed in water, a part of the capturing device can be soaked in water, and a part of the capturing device is exposed out of the water, in particular, the buoyancy can enable one tenth to one half of the volume of the conical net cover of the capturing device placed in the water to be not in the water, and if the capturing device only comprises one layer of net cover, the buoyancy base just meets the condition that the buoyancy base is not exposed out of the water, and when the capturing device comprises multiple layers of net covers, the whole device is not sunk, and the structure setting is also used for capturing a great amount of water-sown plant seeds.
The number of the conical net covers is multiple; a plurality of conical net covers are nested to form a multi-layer net cover unit; the conical mesh enclosure positioned at the innermost layer is a bottom mesh enclosure, the conical mesh enclosure positioned at the outermost layer is a collecting port mesh enclosure, and the conical mesh enclosure positioned between the bottom mesh enclosure and the collecting port mesh enclosure is an intermediate mesh enclosure.
The mesh sizes of the collecting mesh enclosure, the middle mesh enclosure and the bottom mesh enclosure are sequentially reduced; the mesh size on the bottom layer net cover is permeable but not permeable to plant seeds.
The intermediate layer mesh enclosure comprises 2 or more conical mesh enclosures, and meshes on the conical mesh enclosures are sequentially reduced from outside to inside. The plant seeds with different sizes can be distributed on different net cover layers by the arrangement, and preliminary seed classification is achieved.
The capture device further comprises a bracket; one end of the bracket is a fixed end and is used for being fixed in water, and the other end of the bracket is a free end and is used for being connected with the multi-layer net cover unit through the mounting hole of the buoyancy base; the buoyancy base is provided with a mounting hole which can be sleeved and mounted on the bracket.
The bracket is of a columnar structure; the free end is provided with fixing teeth for clamping with the mounting holes so as to fix the multi-layer net cover unit from rotating along with water flow; the top of the free end of the bracket is also provided with a spring buckle;
preferably, the inner wall of the mounting hole of the buoyancy base is provided with a fixing groove with the position, shape and size matched with the fixing teeth;
more preferably, the buoyant base comprises a roof and a buoyant structure disposed below the roof; the buoyancy structure is selected from a foam structure, and/or a rubber bladder; a plurality of permeable meshes are also formed on the top plate of the buoyancy base;
preferably, the bottom surface of the conical net cover is mounted on the top surface of the buoyancy base through bolts.
The conical structure of the conical net cover is selected from the following: conical, and/or square conical.
The structure capable of supplying water and penetrating plant seeds but preventing the plant seeds from penetrating out means that a plurality of hard elastic fibers are arranged at the periphery of the mesh; the hard elastic fiber extends towards the inside of the capturing device and is 15-30 degrees relative to the plane of the mesh.
The hard elastic fibers are distributed on the periphery of the mesh in clusters; the interval between every two clusters of hard elastic fibers is 3mm;
the hard elastic fiber is preferably: nylon filaments.
The mesh is square with a side length of 0.5mm-1.5 cm.
In another aspect, the invention provides a device for capturing hydraulically transmitted wetland plant seeds, which is characterized by comprising the capturing device.
The collecting port net cover is of a square conical structure, each triangular side face of the square conical structure is of a triangular net frame structure made of plastic or plastic, the thickness of the net frame is smaller than 3mm, and the mesh is a square hole with the side length of 1.5 cm;
the middle layer net cover is of a conical net frame structure made of metal, and the meshes are square holes with the side length of 1-10 mm;
the bottom net cover is a conical net frame structure made of gauze or metal, and the meshes are square holes with side length smaller than 0.5 mm.
In a third aspect the invention provides a method for harvesting hydraulically transmitted plant seeds, characterized in that seed collection is performed using said capturing device.
In a fourth aspect the invention provides a method of harvesting hydraulically transmitted wetland plant seeds, characterised in that seed collection is carried out using said apparatus.
Further, the method comprises the following specific steps: (1) Selecting an installation water area in a wetland plant growing area in which wetland plant seeds requiring hydraulic propagation are acquired, and inserting the fixed end of a bracket of the device into a water body in the installation water area to fixedly install the device;
(2) Observing the mature abscission period of plant seeds of different wetlands;
(3) And taking out the middle layer net cover of the multi-layer net cover of the device 2 after seeds of different wetland plants are mature and fall, and harvesting the collected seeds of the wetland plants.
The wetland plant seed capturing device for hydraulic propagation is characterized by comprising a 2-layer net cover with a single-side collecting port, a 3-buoyancy base with buoyancy and a 1-bracket; a plurality of meshes are uniformly arranged on the collecting opening of the 2-layer mesh enclosure, and nylon wires, metal meshes, gauze and other materials are adopted; the 3 buoyancy base consists of foam or rubber air bags; the 1 support plays a role in fixing and is made of stainless steel materials.
The 1 support is of a columnar structure made of stainless steel, and is provided with 1-1 fixed wings (fixed teeth) to prevent the acquisition device from rotating along with water flow and prevent seeds from escaping due to rotation of the device when the water flow is too large; 1-2, after the device is sleeved in the bracket, the device is not easy to escape; one end is inserted into the water bottom, and the other end is sleeved with a buoyancy base with buoyancy.
The 2-layer mesh enclosure consists of a 2-1 collecting port mesh enclosure, a 2-2 middle layer mesh enclosure and a 2-3 bottom layer mesh enclosure, the distance between each layer of mesh enclosure is 3-5cm, and the multi-layer mesh enclosure is fixed on the buoyancy base through a bolt structure.
The 2-layer mesh enclosure and the 2-layer mesh enclosure are 1 layer.
The 2-layer mesh enclosure 2-2 middle layer mesh enclosure is 2 layers.
The 2-layer mesh enclosure and the 2-layer mesh enclosure are multi-layer.
The 2-1 collecting port net cover of the 2-layer net cover is of a 2-4 triangle net frame structure made of plastic or plastic materials, and the thickness of the net frame is smaller than 3mm; the mesh is square with a side length of 1.5 cm; the nylon wires are about 1cm long, 5-20 bundles of nylon wires are bundled on the net frame at an angle of 15-30 degrees with the square mesh plane, and the effect of enabling the wetland plant seeds to enter and preventing the wetland plant seeds from escaping is achieved.
The 2-layer mesh enclosure 2-2 middle layer mesh enclosure is of a metal mesh frame structure, and the mesh is square with the side length of 1-10 mm; each layer of mesh enclosure of the middle layer is gradually reduced from the mesh enclosure of the collecting port to the inside, so that the effect of collecting and distinguishing wetland plant seeds is achieved.
The 2-3 bottom net cover of the 2-layer net cover is a gauze net or a net frame structure made of metal, and the meshes are square with side length smaller than 0.5mm, so that the effect of enabling water to pass through and preventing wetland plant seeds from escaping is achieved.
The 3 buoyancy base is of a round structure made of foam or rubber air bags, and is provided with 3-1 permeable meshes, so that the seed capturing device can synchronously change along with the water level.
A method for harvesting wetland plant seeds for hydraulic transmission, comprising the following steps:
(1) Selecting an installation water area in a wetland plant growing area in which wetland plant seeds with hydraulic transmission are required to be acquired, and inserting a seed capturing device into the installation water area;
(2) Observing the mature abscission period of plant seeds of different wetlands;
(3) And taking out the 2-2 intermediate layer net cover of the device 2 multi-layer net cover after seeds of different wetland plants fall off, and harvesting the seeds of the collected wetland plants.
The invention provides a capture device and a method for harvesting wetland plant seeds for hydraulic transmission. The device is a 2-layer mesh enclosure with a single-sided collecting opening, a plurality of through holes are uniformly formed in the 2-layer mesh enclosure collecting opening, and the seed capturing device is supported by nylon wires, metal meshes, foam, stainless steel and other materials.
In the invention, the number of layers of the 2-2 intermediate layer mesh enclosure of the 2-layer mesh enclosure of the device is optional. Because the seed sizes of the wetland plants are different, the 2-2 intermediate layer mesh covers with meshes of different sizes are replaced, so that the seeds of the different wetland plants can be conveniently harvested. The inclination angle design of the nylon filaments of the 2-1 collecting port mesh enclosure of the 2-layer mesh enclosure has the function of adapting to the passing of wetland plant seeds with different sizes on one hand; on the other hand, the seeds are not leaked out in order to reduce the water impact.
When harvesting wetland plant species with the device, the device is placed vertically in the wetland, so that the buoyancy base of the device 3 is slightly below the water level.
"Water seed", "Water seed of a plant", "Water-borne seed of a plant" as used herein have the meaning commonly understood by those skilled in the art and generally refer to seeds of a plant that are propagated by means of water, with water medium (Water-borne ) being another seed propagation means in addition to both wind-borne and insect-borne propagation means.
The device and the method for harvesting the wetland plant seeds by using the device can obtain the fully developed mature plant seeds without damaging plants. Compared with the conventional manual seed collection method, the seed collection amount is large. Furthermore, the device can be permanently used once set up. Compared with the manual seed collection, the method has the following advantages: the use is more convenient, time-saving and labor-saving; the seeds which are naturally mature and fall off can be obtained, and the number of the harvested seeds is several times higher than that of the conventional seed harvesting method. In summary, the method for harvesting the wetland plant seeds by using the device disclosed by the invention is an effective method for further laying a good foundation for artificial propagation of wetland plants.
Drawings
FIG. 1 is a schematic view of a structure of a mesh enclosure of a seed capture device of the present invention;
FIG. 2 is a schematic diagram of the structure of the middle layer and the bottom layer of the seed capture device multi-layer mesh enclosure of the invention;
FIG. 3 is a schematic view of a buoyancy base of a seed capture device according to the present invention;
FIG. 4 is a schematic view of a seed capture device rack according to the present invention;
fig. 5 is a schematic view of the overall structure of the seed capturing device according to the present invention.
The labels in the above figures are listed below: 1: 1-1 parts of a bracket, 1-2 parts of fixed teeth: a spring buckle; 2: conical mesh enclosure, 2-1: collecting port net cover, 2-2: intermediate layer mesh enclosure, 2-4: a mesh; 3: buoyancy base, 3-1: a water permeable hole;
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments, but is not limited thereto.
The present set of embodiments provides a hydraulically propagated plant seed capture device. All embodiments in this group have the following common features: the capturing device comprises a buoyancy base and at least 1 conical net cover; the conical net cover is of a conical structure with an open bottom surface, and a plurality of meshes are distributed on the conical surface of the conical net cover; the mesh is provided with a structure which can supply water and plant seeds to penetrate but can prevent the plant seeds from penetrating out; the bottom surface of the conical net cover is connected with the top surface of the buoyancy base; the capturing device can be fixed at a certain position in water through a fixing component; the buoyancy F provided by the buoyancy base Floating device The following conditions are satisfied:
G device and method for controlling the same -0.8×ρ Water and its preparation method gV Device and method for controlling the same ≤F Floating device ≤G Device and method for controlling the same -0.4×ρ Water and its preparation method gV Device and method for controlling the same ；
The G is Device and method for controlling the same Refer to the weight of the capture device, ρ Water and its preparation method Refers to the water density, g is the gravity coefficient, V Device and method for controlling the same Refers to the capture device volume.
The net cover with the conical structure is adopted, and the conical contact surface of the net cover and the water body can ensure that the net cover contacts the water body in a large area, so that plant seeds with hydraulic transmission can be captured as much as possible; the buoyancy setting of the buoyancy base ensures that the capturing device of the invention is installed in water, a part of the capturing device can be soaked in water, and a part of the capturing device is exposed out of the water, in particular, the buoyancy can enable one tenth to one half of the volume of the conical net cover of the capturing device placed in the water to be not in the water, and if the capturing device only comprises one layer of net cover, the buoyancy base just meets the condition that the buoyancy base is not exposed out of the water, and when the capturing device comprises multiple layers of net covers, the whole device is not sunk, and the structure setting is also used for capturing a great amount of water-sown plant seeds.
When the capturing device is maximally submerged in water but not completely submerged, the contact area of the whole capturing device with the water body is maximized, and thus the number of captured seeds is maximized.
In a further embodiment, the conical mesh enclosure is a plurality of; a plurality of conical net covers are nested to form a multi-layer net cover unit; the conical mesh enclosure positioned at the innermost layer is a bottom mesh enclosure, the conical mesh enclosure positioned at the outermost layer is a collecting port mesh enclosure, and the conical mesh enclosure positioned between the bottom mesh enclosure and the collecting port mesh enclosure is an intermediate mesh enclosure.
In some embodiments, the mesh sizes on the collection mesh enclosure, the middle mesh enclosure, and the bottom mesh enclosure are sequentially reduced; the mesh size on the bottom layer net cover is permeable but not permeable to plant seeds.
In a preferred embodiment, the intermediate mesh enclosure comprises 2 or more conical mesh enclosures with mesh openings that taper sequentially from the outside to the inside.
In a further embodiment, the capture device further comprises a bracket; one end of the bracket is a fixed end and is used for being fixed in water, and the other end of the bracket is a free end and is used for being connected with the multi-layer net cover unit through the mounting hole of the buoyancy base; the buoyancy base is provided with a mounting hole which can be sleeved and mounted on the bracket.
In other embodiments, the scaffold is a columnar structure; the free end is provided with fixing teeth for clamping with the mounting holes so as to fix the multi-layer net cover unit from rotating along with water flow; the top of the free end of the bracket is also provided with a spring buckle;
preferably, the inner wall of the mounting hole of the buoyancy base is provided with a fixing groove with the position, shape and size matched with the fixing teeth;
more preferably, the buoyant base comprises a roof and a buoyant structure disposed below the roof; the buoyancy structure is selected from a foam structure, and/or a rubber bladder; a plurality of permeable meshes are also formed on the top plate of the buoyancy base;
preferably, the bottom surface of the conical net cover is mounted on the top surface of the buoyancy base through bolts.
In a specific embodiment, the conical structure of the conical mesh enclosure is selected from: conical, and/or square conical. The contact between the device and the water surface is complete circumference, so the device mesh enclosure is in a slope shape. For example, the square conical net cover can be a conical net cover formed by splicing and assembling a plurality of triangular net plates, the shape of the device is not limited to conical shapes and square conical shapes, other shapes can be adopted, and the shape convenient for production and processing is preferred.
In a preferred embodiment, the structure capable of supplying water and plant seeds to penetrate but preventing plant seeds from penetrating out means a plurality of hard elastic fibers arranged at the periphery of the mesh; the hard elastic fiber extends towards the inside of the capturing device and is 15-30 degrees relative to the plane of the mesh.
In a more specific embodiment, the stiff elastic fibers are distributed in clusters on the periphery of the mesh; the interval between every two clusters of hard elastic fibers is 3mm; the hard elastic fiber is preferably: nylon filaments.
In some embodiments, the mesh is a square hole with a side length of 0.5mm-1.5 cm. The shape of the hole is not limited, and the hole can be a round hole, a triangular hole, a special-shaped hole or holes with other shapes; preferably a shape that is easy to produce and process; square holes are easy to process, and in the same plane, the square holes can be arranged in larger numbers with the same passing area.
This set of embodiments provides an apparatus for harvesting hydraulically propagated wetland plant seeds comprising a capture device according to any one of the embodiments of set 1.
In a specific embodiment, the collecting port net cover is of a square conical structure, each triangular side face of the square conical structure is of a triangular net frame structure made of plastic or plastic, the thickness of the net frame is smaller than 3mm, and the mesh is a square hole with the side length of 1.5 cm;
the middle layer net cover is of a conical net frame structure made of metal, and the meshes are square holes with the side length of 1-10 mm;
the bottom net cover is a conical net frame structure made of gauze or metal, and the meshes are square holes with side length smaller than 0.5 mm. Group 3 example, method of harvesting plant seed of the invention
This set of embodiments provides a method for harvesting hydraulically propagated plant seeds, characterized in that seed collection is performed using the capture device of any of the embodiments of set 1 or the device of any of the embodiments of set 2.
Group 4 example, wetland plant seed harvesting method of the invention
The present set of embodiments provides a method of harvesting hydraulically propagated wetland plant seeds, characterized by employing the capture device of any one of the embodiments of set 1 or the device of any one of the embodiments of set 2 for seed collection.
In a specific embodiment, the method further comprises:
(1) Selecting an installation water area in a wetland plant growing area in which wetland plant seeds for hydraulic transmission are required to be acquired, and inserting and installing the device in the installation water area;
(2) Observing the mature abscission period of plant seeds of different wetlands;
(3) And taking out the middle layer net cover of the multi-layer net cover of the device 2 after seeds of different wetland plants are mature and fall, and harvesting the collected seeds of the wetland plants.
Experimental example, the device for capturing seeds of the water sowing seeds by adopting the capturing device comprises a 1 bracket, a 2-layer net cover and a 3-buoyancy base; the collecting port net cover 2-1 is of a triangular net frame structure made of 6 plastic materials, and the thickness of the net frame is 3mm; the mesh is square with the side length of 1.5cm, the length of nylon wires is 1cm, the distance between every two nylon wires is 3mm, and the nylon wires and the plane of the square mesh form an angle of 30 degrees and are tied on the screen frame; the mesh enclosure of the 2-2 middle layer is a metal mesh, 3 layers are arranged, and the mesh side length is 10mm, 5mm and 2mm in sequence; the bottom net cover is a gauze net, and the side length of the net holes is 0.5mm; the 3 buoyancy base is made of circular foam material, 3-1 permeable mesh holes are attached, and the diameter is 40cm. And selecting a plurality of mounting points in the plant growing area of the wetland, and inserting a seed capturing device into the wetland. After the mature period of the wetland plant seeds such as lotus, calamus, iris, allium fistulosum, reed and the like, taking out the intermediate layer net cover of the multi-layer net cover of the seed capturing device, and harvesting the collected wetland plant seeds. The seeds are retrieved after being placed for a week in the mature period, and the number of the seeds is 5-15 times of that of the wetland plant seeds harvested by manual salvage.
Claims (13)
1. A hydraulically propagated plant seed capture device comprising a buoyant base and at least 1 conical screen; the conical net cover is of a conical structure with an open bottom surface, and a plurality of meshes are distributed on the conical surface of the conical net cover; the mesh is provided with a structure which can supply water and plant seeds to penetrate but can prevent the plant seeds from penetrating out; the bottom surface of the conical net cover is connected with the top surface of the buoyancy base; the capturing device can be fixed at a certain position in water through a fixing component; the buoyancy F provided by the buoyancy base Floating device The following conditions are satisfied:
the G is Device and method for controlling the same Refer to the weight of the capture device, ρ Water and its preparation method Refers to the water density, g is the gravity coefficient, V Device and method for controlling the same Refer to the capture device volume;
the number of the conical net covers is multiple; a plurality of conical net covers are nested to form a multi-layer net cover unit; the conical mesh enclosure positioned at the innermost layer is a bottom mesh enclosure, the conical mesh enclosure positioned at the outermost layer is a collecting port mesh enclosure, and the conical mesh enclosure positioned between the bottom mesh enclosure and the collecting port mesh enclosure is an intermediate mesh enclosure;
the structure capable of supplying water and penetrating plant seeds but preventing the plant seeds from penetrating out means that a plurality of hard elastic fibers are arranged at the periphery of the mesh; the hard elastic fiber extends towards the inside of the capturing device and is 15-30 degrees relative to the plane of the mesh.
2. The capturing mechanism of claim 1, wherein the mesh sizes on the collection port mesh enclosure, the middle mesh enclosure, and the bottom mesh enclosure are sequentially reduced; the mesh size on the bottom layer net cover is permeable but not permeable to plant seeds.
3. The capture device of claim 2, wherein the intermediate mesh enclosure comprises 2 or more conical mesh enclosures with mesh openings that taper sequentially from outside to inside.
4. The capture device of claim 3, further comprising a bracket; one end of the bracket is a fixed end and is used for being fixed in water, and the other end of the bracket is a free end and is used for being connected with the multi-layer net cover unit through the mounting hole of the buoyancy base; the buoyancy base is provided with a mounting hole which can be sleeved and mounted on the bracket.
5. The capture device of claim 4, wherein the scaffold is a columnar structure; the free end is provided with fixing teeth for clamping with the mounting holes so as to fix the multi-layer net cover unit from rotating along with water flow; the top of the free end of the bracket is also provided with a spring buckle;
the inner wall of the mounting hole of the buoyancy base is provided with a fixing groove with the position, shape and size matched with those of the fixing teeth;
the buoyancy base comprises a top plate and a buoyancy structure arranged below the top plate; the buoyancy structure is selected from a foam structure, and/or a rubber bladder; a plurality of permeable meshes are also formed on the top plate of the buoyancy base;
the bottom surface of the conical net cover is arranged on the top surface of the buoyancy base through bolts.
6. The capture device of claim 5, wherein the tapered structure of the tapered mesh enclosure is conical or square tapered.
7. The capturing mechanism of claim 1, wherein the stiff elastic fibers are clustered around the periphery of the mesh; the interval between every two clusters of hard elastic fibers is 3mm;
the hard elastic fiber is: nylon filaments.
8. The capture device of claim 7, wherein the mesh is square holes with a side length of 0.5mm to 1.5 cm.
9. A device for capturing hydraulically transmitted wetland plant seeds, characterized in that it comprises a capturing device according to any one of claims 1-8.
10. The device according to claim 9, wherein the collecting port net cover is of a square conical structure, each triangular side surface of the square conical structure is of a triangular net frame structure made of plastic or plastic, the thickness of the net frame is less than 3mm, and the meshes are square holes with side length of 1.5 cm;
the middle layer net cover is of a conical net frame structure made of metal, and the meshes are square holes with the side length of 1-10 mm;
the bottom net cover is a conical net frame structure made of gauze or metal, and the meshes are square holes with side length smaller than 0.5 mm.
11. A method for harvesting hydraulically propagated plant seeds, characterized in that seed collection is carried out using a capturing device according to any of claims 1-8.
12. A method of harvesting hydraulically propagated wetland plant seeds, characterized in that seed collection is carried out using the device of claim 9 or 10.
13. The method of claim 12, wherein (1) selecting an installation water area within a wetland plant growing area where hydraulically transmitted wetland plant seeds are desired to be obtained, inserting the device into the installation water area;
(2) Observing the mature abscission period of plant seeds of different wetlands;
(3) And taking out the middle layer net cover of the multi-layer net cover of the device 2 after seeds of different wetland plants are mature and fall, and harvesting the collected seeds of the wetland plants.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390792.6A CN108377723B (en) | 2018-04-27 | 2018-04-27 | Hydraulic propagation wetland plant seed capturing device and method |
| CA3018231A CA3018231C (en) | 2018-04-27 | 2018-09-21 | A capture device for hydraulically transmitted wetland plant seeds and a method of using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390792.6A CN108377723B (en) | 2018-04-27 | 2018-04-27 | Hydraulic propagation wetland plant seed capturing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108377723A CN108377723A (en) | 2018-08-10 |
| CN108377723B true CN108377723B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810390792.6A Active CN108377723B (en) | 2018-04-27 | 2018-04-27 | Hydraulic propagation wetland plant seed capturing device and method |
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| Country | Link |
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| CN (1) | CN108377723B (en) |
| CA (1) | CA3018231C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111587628A (en) * | 2020-06-18 | 2020-08-28 | 滨州学院 | Seed capture device for coastal beach saline-alkali bare land and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959766Y (en) * | 2006-04-30 | 2007-10-17 | 湖北大学 | Multi-functional culturing floating bed for straw foil on water |
| CN101820742A (en) * | 2007-09-20 | 2010-09-01 | Sbae工业股份有限公司 | Be used to gather in the method for algae or plant and the equipment of use thereof |
| DE202013005118U1 (en) * | 2013-06-06 | 2013-06-26 | Jürgen Matzantke | Harvesting device for aquatic plants in pelagic breeding and their control |
| CN105123634A (en) * | 2015-07-17 | 2015-12-09 | 马海滨 | Fishing device for chubs |
-
2018
- 2018-04-27 CN CN201810390792.6A patent/CN108377723B/en active Active
- 2018-09-21 CA CA3018231A patent/CA3018231C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959766Y (en) * | 2006-04-30 | 2007-10-17 | 湖北大学 | Multi-functional culturing floating bed for straw foil on water |
| CN101820742A (en) * | 2007-09-20 | 2010-09-01 | Sbae工业股份有限公司 | Be used to gather in the method for algae or plant and the equipment of use thereof |
| DE202013005118U1 (en) * | 2013-06-06 | 2013-06-26 | Jürgen Matzantke | Harvesting device for aquatic plants in pelagic breeding and their control |
| CN105123634A (en) * | 2015-07-17 | 2015-12-09 | 马海滨 | Fishing device for chubs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108377723A (en) | 2018-08-10 |
| CA3018231A1 (en) | 2019-10-27 |
| CA3018231C (en) | 2020-12-08 |
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