Ecological floating bed system for saline-alkali soil drainage ditch

Abstract

The utility model provides an ecological floating bed system for a saline-alkali soil drainage ditch, and relates to the technical field of ecological restoration and water purification, the ecological floating bed system comprises a saline-alkali improvement cabin, a floating bed and a planting structure, the saline-alkali improvement cabin is detachably connected with the floating bed, and the saline-alkali improvement cabin is arranged in the external drainage ditch; the planting structure is connected with the floating bed and is used for planting plants, and root systems of the plants are arranged in the plant root system part of the saline-alkali improvement cabin. The technical problem that in the prior art, due to the fact that a saline-alkali soil drainage ditch cannot absorb salt and alkali, water purification is achieved, and soil secondary salinization is likely to be caused is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ecological restoration and water purification, especially to an ecological floating bed system for saline-alkali soil drainage ditch. BACKGROUND

[0002] Soil salinization is a worldwide ecological problem, and nearly 932 million hectares of land worldwide are affected by salinization. The soil of saline-alkali land contains high salt and alkaline substances, which leads to low soil fertility and makes it difficult for crops to grow, seriously restricting the sustainable development of agricultural production and ecological environment.

[0003] To improve saline-alkali land, drainage is one of the important measures. The setting of drainage ditches aims to remove excess runoff on the ground, lower the groundwater level, promote soil desalination, and prevent secondary salinization of soil. As one of the main ways of saline-alkali land drainage, the importance of the design of open ditch drainage is self-evident.

[0004] Although the traditional drainage ditch can alleviate the problem of saline-alkali land drainage to some extent, due to the high salinity and ecological fragility of the water quality in saline-alkali land, it often has limited effect on improving soil salinization, and it is difficult to fundamentally solve the problem of saline-alkali land management. Therefore, the saline-alkali land drainage ditch cannot purify water quality by absorbing salt and alkali, cannot promote soil desalination, and is prone to cause secondary salinization of soil. SUMMARY

[0005] The purpose of the utility model is to provide an ecological floating bed system for saline-alkali land drainage ditch to alleviate the technical problem that the saline-alkali land drainage ditch cannot absorb salt and alkali to purify water quality, and thus easily causes secondary salinization of soil in the prior art.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] In the first aspect, the utility model provides an ecological floating bed system for saline-alkali land drainage ditch, which comprises a saline-alkali improvement cabin, a floating bed and a planting structure, the saline-alkali improvement cabin is detachably connected with the floating bed, and the saline-alkali improvement cabin is arranged in the externally connected drainage ditch.

[0008] The planting structure is connected with the floating bed, and the planting structure is used for planting plants, and the root system of the plant is placed in the plant root system part of the saline-alkali improvement cabin.

[0009] Further, the saline-alkali improvement cabin comprises a plurality of spaced chemical improvement parts, and the plant root system part for accommodating the plant root system is formed between adjacent chemical improvement parts.

[0010] Further, each of the chemical improvement parts is filled with gypsum particles, and the chemical improvement part is provided with through holes with a hole diameter larger than the particle size of the gypsum particles.

[0011] Further, the floating bed is connected to the top of the chemical improvement part, and the floating bed is provided with a plurality of mounting grooves at intervals.

[0012] The planting structure is connected to the corresponding mounting groove, so that the root system of the plant of the planting structure is located in the plant root system part.

[0013] Further, the planting structure comprises a flowerpot and a support assembly, and the support assembly is detachably connected to the floating bed.

[0014] The flowerpot is connected to the support assembly, and the flowerpot is arranged in the corresponding mounting groove, and the flowerpot is used for planting the plant.

[0015] Further, the support assembly comprises a support, a connecting piece and a fixing piece, the support is arranged in the corresponding mounting groove of the floating bed, and the support is connected to the flowerpot.

[0016] The connecting piece is connected to the support, and the connecting piece is detachably connected to the floating bed through the fixing piece.

[0017] Further, the ecological floating bed system for the drainage ditch of saline-alkali soil further comprises a pile foundation fixing structure, the pile foundation fixing structure is connected to the floating bed, and the pile foundation fixing structure is used for being connected to the bottom of the drainage ditch.

[0018] Further, the pile foundation fixing structure comprises a limiting sliding assembly and a pile foundation fixing piece, the pile foundation fixing piece is used for being connected to the bottom of the drainage ditch, and the pile foundation fixing piece is perpendicular to the bottom of the drainage ditch.

[0019] One end of the limiting sliding assembly is connected to the floating bed, and the other end is used for being slidably connected to the pile foundation fixing piece.

[0020] Further, the limiting sliding assembly comprises a connecting rod and a tenon connected to one end of the connecting rod, and the other end of the connecting rod away from the tenon is connected to the floating bed.

[0021] The pile foundation fixing piece is provided with a slide in the vertical direction, and the tenon is slidably connected to the slide.

[0022] Further, the pile foundation fixing structure is provided with at least two groups, and the two groups of pile foundation fixing structures are respectively arranged at opposite ends of the floating bed.

[0023] The utility model can realize the following beneficial effects:

[0024] The utility model provides a kind of ecological floating bed system for saline-alkali soil drainage ditch, including saline-alkali improvement cabin, floating bed and planting structure, saline-alkali improvement cabin is detachably connected with floating bed, and saline-alkali improvement cabin is arranged in the drainage ditch of external connection;Planting structure is connected with floating bed, and planting structure is used to plant plant, and the root system of plant is placed in the plant root system part of saline-alkali improvement cabin.

[0025] In the utility model, the top of the saline-alkali improvement cabin is detachably connected with the floating bed. During use, the saline-alkali improvement cabin is arranged in the water body of the drainage ditch, and the floating bed floats on the water surface. The floating bed is provided with a plurality of planting structures at intervals, and the plurality of planting structures are distributed in a matrix. Each planting structure is planted with a plant. The root system of the plant penetrates through the planting structure and is arranged in the plant root system part of the saline-alkali improvement cabin. The plant can be reed, reed with variegated leaves, cattail or canna indica. The four plants have developed rhizomes and strong adaptability. The plants can absorb saline-alkali and resist lodging. By reasonably configuring the plants, a multi-level plant community is formed, and the purification capacity and landscape effect of the ecological floating bed are improved.

[0026] Compared with the prior art, the ecological floating bed system for saline-alkali soil drainage ditch provided by the utility model is used to plant corresponding plants in the planting structure, and the root system of the plant is arranged in the corresponding plant root system part of the saline-alkali improvement cabin. The plant can directly contact with the water in the drainage ditch. According to the advantages of absorbing saline-alkali and resisting lodging, the purification capacity and landscape effect of the ecological floating bed system are improved.

[0027] In summary, the utility model at least alleviates the technical problem that the saline-alkali soil drainage ditch cannot absorb saline-alkali to purify water, which easily causes secondary salinization of soil. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0029] Figure 1 The overall structure schematic diagram of the ecological floating bed system for saline-alkali soil drainage ditch provided by the embodiments of the utility model is shown in the figure.

[0030] Figure 2 The cross-sectional structure schematic diagram of the ecological floating bed system for saline-alkali soil drainage ditch provided by the embodiments of the utility model is shown in the figure.

[0031] Figure 3The utility model provides a top view structure schematic diagram of the ecological floating bed system for saline and alkaline land drainage ditch provided by the embodiment of the utility model.

[0032] Figure 4 The utility model provides a top view structure schematic diagram of the planting subassembly of the ecological floating bed system for saline and alkaline land drainage ditch provided by the embodiment of the utility model.

[0033] Figure 5 The utility model provides a front view structure schematic diagram of the flowerpot part of the ecological floating bed system for saline and alkaline land drainage ditch provided by the embodiment of the utility model.

[0034] Icon: 1 - saline and alkaline improvement cabin;11 - chemical improvement part;111 - through hole;12 - plant root system part;2 - floating bed;3 - limit sliding subassembly;31 - connecting rod;32 - tenon;4 - pile foundation fixing piece;5 - planting structure;51 - flowerpot;52 - support piece;53 - connecting piece;54 - fixing piece;6 - drainage ditch. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. The components of the embodiment of the utility model described and shown in the drawing here can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled in the art without making creative efforts are within the scope of the utility model protection.

[0037] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0039] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0040] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0042] Example one

[0043] The embodiment provides an ecological floating bed system for saline-alkali soil drainage ditch, referring to Figure 1 and Figure 2 The ecological floating bed system for saline-alkali soil drainage ditch comprises a saline-alkali improvement cabin 1, a floating bed 2 and a planting structure 5, the saline-alkali improvement cabin 1 is detachably connected with the floating bed 2, and the saline-alkali improvement cabin 1 is arranged in the externally connected drainage ditch 6; the planting structure 5 is connected with the floating bed 2, and the planting structure 5 is used for planting plants, and the root system of the plants is arranged in the plant root system part 12 of the saline-alkali improvement cabin 1.

[0044] The embodiment of the utility model at least alleviates the technical problem that the saline-alkali soil drainage ditch cannot absorb saline-alkali to realize water quality purification, and further easily causes secondary salinization of soil in the prior art.

[0045] In the embodiment of the utility model, the top of the saline-alkali improvement cabin 1 is detachably connected with the floating bed 2, the saline-alkali improvement cabin 1 is arranged in the water body of the drainage ditch 6 during use, and the floating bed 2 floats on the water surface; a plurality of planting structures 5 are arranged at intervals on the floating bed 2, the plurality of planting structures 5 are distributed in a matrix shape, each planting structure 5 is planted with plants, the root system of the plants penetrates through the planting structure 5 and is arranged in the plant root system part 12 of the saline-alkali improvement cabin 1, and the plants can be reed, flowering reed, cattail or canna indica, and the four kinds of plants have developed rhizomes, strong adaptability, the advantages of absorbing saline-alkali and anti-lodging, and the purification capacity and landscape effect of the ecological floating bed are improved by reasonably configuring a multi-level plant community.

[0046] Compared with the prior art, the ecological floating bed system for the saline-alkali land drainage ditch provided by the embodiment of the utility model can make the plants directly contact with the water in the drainage ditch 6 by planting corresponding plants in the planting structure 5 and arranging the root system of the plants in the corresponding plant root system part 12 of the saline-alkali improvement cabin 1, and the purification capacity and landscape effect of the ecological floating bed system are improved according to the advantages of absorbing saline-alkali and anti-lodging.

[0047] In the optional implementation manner of the embodiment, referring to Figure 2 The saline-alkali improvement cabin 1 comprises a plurality of spaced chemical improvement parts 11, and the plant root system part 12 for accommodating the plant root system is formed between the adjacent chemical improvement parts 11.

[0048] Specifically, the saline-alkali improvement cabin 1 is a cuboid structure and is made of polyethylene material, is fixed with the floating bed 2 by bolts, and is provided with the spaced chemical improvement parts 11 and the plant root system part 12 between the adjacent chemical improvement parts 11. The saline-alkali improvement cabin 1 is fixedly connected with the floating bed 2 by bolts, which can avoid the damage of the exposed root system caused by the transverse water flow impact when the drainage flow rate is large, and has strong anti-physical impact capacity.

[0049] Further, referring to Figure 1 And Figure 2 The gypsum particles are filled in each chemical improvement part 11, and the through hole 111 with a hole diameter larger than the particle size of the gypsum particles is formed in the chemical improvement part 11.

[0050] Specifically, each chemical improvement part 11 is in a hollow structure, and is filled with gypsum particles, and the particle size of the gypsum particles is greater than the hole diameter of the through hole 111, so as to avoid the gypsum particles from falling out of the through hole 111, and to ensure that the internal improvement agent contacts with the water flow; it should be noted that gypsum is a common chemical improvement agent for saline-alkali soil, and is not easy to dissolve in water at room temperature. Gypsum can react with sodium carbonate salt in the saline-alkali soil drainage, to generate neutral sodium sulfate and water-insoluble calcium carbonate, so as to reduce the alkalinity of the water flow, and has a long-term improvement effect in the water flow.

[0051] In an optional embodiment of the present embodiment, referring to Figure 2 and Figure 3 , the floating bed 2 is connected to the top of the chemical improvement part 11, and the floating bed 2 is spaced apart to form a plurality of mounting grooves; the planting structure 5 is connected to the corresponding mounting groove, so that the root system of the plant of the planting structure 5 is located in the plant root system part 12.

[0052] Specifically, the floating bed 2 is spaced apart to form a plurality of mounting grooves, and the plurality of mounting grooves are distributed in a matrix shape, and each mounting groove is provided with a corresponding planting structure 5; preferably, the mounting groove is located directly above the plant root system part 12, so that the plant root system of the planting structure 5 can extend into the plant root system part 12.

[0053] Further, referring to Figure 4 and Figure 5 , the planting structure 5 includes a flowerpot 51 and a support assembly, and the support assembly is detachably connected to the floating bed 2; the flowerpot 51 is connected to the support assembly, and the flowerpot 51 is arranged in the corresponding mounting groove, and the flowerpot 51 is used for planting plants.

[0054] Specifically, the support assembly is provided with a through hole, so as to place the flowerpot 51 in the through hole, and plants are planted in the flowerpot 51, and the support assembly is detachably connected to the floating bed 2, so as to install a corresponding number of support assemblies according to actual needs, so as to set a corresponding number of plants and positions of the plants.

[0055] Further, referring to Figure 4 , the support assembly includes a support 52, a connecting piece 53, and a fixing piece 54, the support 52 is arranged in the corresponding mounting groove of the floating bed 2, and the support 52 is connected to the flowerpot 51; the connecting piece 53 is connected to the support 52, and the connecting piece 53 is detachably connected to the floating bed 2 through the fixing piece 54.

[0056] Specifically, the support 52 is preferably in a square structure, and a through hole is formed at the center of the support 52, so as to arrange the flowerpot 51 in the through hole, and the connecting piece 53 is arranged at each of the four corners of the support 52, each connecting piece 53 is connected to the corresponding position of the floating bed 2 through the fixing piece 54, and the fixing piece 54 can be a bolt.

[0057] In an optional embodiment of the present embodiment, referring to Figure 1 and Figure 2 , the ecological floating bed system for the saline-alkali soil drainage ditch further comprises a pile foundation fixing structure, the pile foundation fixing structure is connected with the floating bed 2, and the pile foundation fixing structure is used to be connected with the bottom of the drainage ditch 6.

[0058] Specifically, the pile foundation fixing structure is connected with the floating bed 2, and the pile foundation fixing structure is used to be connected with the bottom of the drainage ditch 6, so as to limit the floating bed 2; and the floating bed 2 can be made of polyethylene material with large buoyancy and salt-alkali corrosion resistance, so as to ensure that the buoyancy is greater than the gravity of the entire ecological floating bed system.

[0059] Further, referring to Figure 1 and Figure 2 , the pile foundation fixing structure comprises a limiting sliding assembly 3 and a pile foundation fixing piece 4, the pile foundation fixing piece 4 is used to be connected with the bottom of the drainage ditch 6, and the pile foundation fixing piece 4 is perpendicular to the bottom of the drainage ditch 6; one end of the limiting sliding assembly 3 is connected with the floating bed 2, and the other end is used to be slidingly connected with the pile foundation fixing piece 4.

[0060] Specifically, one end of the pile foundation fixing piece 4 is connected with the bottom of the drainage ditch 6 along the vertical direction, and the pile foundation fixing piece 4 is provided with a sliding groove along the vertical direction, and one end of the limiting sliding assembly 3 is connected with the floating bed 2, and the other end is used to be connected with the sliding groove of the pile foundation fixing piece 4, so that the limiting sliding assembly 3 limits the floating bed 2 along the vertical direction.

[0061] Further, referring to Figure 1 , the limiting sliding assembly 3 comprises a connecting rod 31 and a tenon 32 connected with one end of the connecting rod 31, and the other end of the connecting rod 31 away from the tenon 32 is connected with the floating bed 2; the pile foundation fixing piece 4 is provided with a slide along the vertical direction, and the tenon 32 is slidingly connected with the slide.

[0062] Specifically, one end of the connecting rod 31 is connected with the floating bed 2 through a bolt, so that the connecting rod 31 is horizontally distributed, and the other end of the connecting rod 31 is provided with the tenon 32, the tenon 32 is matched with the slide, and the size of the tenon 32 is slightly smaller than the size of the slide, so as to reduce the sliding resistance, realize smooth lifting of the floating bed 2, and also realize stable connection between the floating bed 2 and the pile foundation fixing piece 4, so as to ensure that the ecological floating bed system can realize rising and falling with the water surface by using its own gravity and buoyancy, and does not move longitudinally with the water flow.

[0063] In an optional embodiment of the present embodiment, referring to Figure 1 and Figure 2 , the pile foundation fixing structure is provided with at least two groups, and the two groups of pile foundation fixing structures are respectively arranged at opposite ends of the floating bed 2.

[0064] Specifically, the pile foundation fixing structure connected with the floating bed 2 can have two groups, three groups or four groups, etc., and when the two groups, the two groups of pile foundation fixing structures are relatively distributed to ensure that the floating bed 2 remains stable during the rising or falling process.

[0065] Finally, it should be noted that: each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to each other. The above embodiments in the specification are used to illustrate the technical solutions of the utility model, but not to limit them. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently. The modification or replacement does not change the essence of the corresponding technical solution from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. An ecological floating bed system for drainage ditches in saline-alkali land, characterized in that, It includes a saline-alkali improvement chamber (1), a floating bed (2) and a planting structure (5). The saline-alkali improvement chamber (1) is detachably connected to the floating bed (2), and the saline-alkali improvement chamber (1) is located in an external drainage ditch (6). The planting structure (5) is connected to the floating bed (2), and the planting structure (5) is used to plant plants and place the roots of the plants in the root system (12) of the saline-alkali improvement chamber (1).

2. The ecological floating bed system for drainage ditches in saline-alkali land according to claim 1, characterized in that, The saline-alkali improvement chamber (1) includes a plurality of spaced chemical improvement sections (11), and a plant root section (12) for accommodating the plant roots is formed between adjacent chemical improvement sections (11).

3. The ecological floating bed system for saline-alkali land drainage ditches according to claim 2, characterized in that, Each of the chemical modification sections (11) is filled with gypsum particles, and the chemical modification section (11) has through holes (111) with a pore size larger than that of the gypsum particles.

4. The ecological floating bed system for saline-alkali land drainage ditches according to claim 2, characterized in that, The floating bed (2) is connected to the top of the chemical improvement unit (11), and the floating bed (2) is provided with multiple mounting slots spaced apart; The planting structure (5) is connected to the corresponding mounting groove so that the roots of the plant in the planting structure (5) are located within the plant root section (12).

5. The ecological floating bed system for drainage ditches in saline-alkali land according to claim 4, characterized in that, The planting structure (5) includes a flowerpot (51) and a support assembly, which is detachably connected to the floating bed (2); The flowerpot (51) is connected to the support assembly, and the flowerpot (51) is disposed in the corresponding mounting groove, and the flowerpot (51) is used to plant the plant.

6. The ecological floating bed system for saline-alkali land drainage ditches according to claim 5, characterized in that, The support assembly includes a support member (52), a connector (53) and a fixing member (54). The support member (52) is disposed in the corresponding mounting groove of the floating bed (2) and is connected to the flower pot (51). The connector (53) is connected to the support (52), and the connector (53) is detachably connected to the floating bed (2) via the fixing member (54).

7. The ecological floating bed system for drainage ditches in saline-alkali land according to claim 1, characterized in that, It also includes a pile foundation fixing structure, which is connected to the floating bed (2) and is used to connect to the bottom of the drainage ditch (6).

8. The ecological floating bed system for saline-alkali land drainage ditches according to claim 7, characterized in that, The pile foundation fixing structure includes a limiting sliding component (3) and a pile foundation fixing component (4). The pile foundation fixing component (4) is used to connect with the bottom of the drainage ditch (6), and the pile foundation fixing component (4) is perpendicular to the bottom of the drainage ditch (6). One end of the limiting sliding component (3) is connected to the floating bed (2), and the other end is used to slide with the pile foundation fixing component (4).

9. The ecological floating bed system for drainage ditches in saline-alkali land according to claim 8, characterized in that, The limiting sliding assembly (3) includes a connecting rod (31) and a tenon (32) connected to one end of the connecting rod (31). The end of the connecting rod (31) away from the tenon (32) is connected to the floating bed (2). The pile foundation fixing component (4) has a sliding track in the vertical direction, and the tenon (32) is slidably connected to the sliding track.

10. The ecological floating bed system for drainage ditches in saline-alkali land according to any one of claims 7-9, characterized in that, The pile foundation fixing structure is provided in at least two sets, and the two sets of pile foundation fixing structures are respectively located at opposite ends of the floating bed (2).

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