Saline-alkali soil treatment device

Abstract

The utility model provides a saline-alkali land treatment device which comprises a cylinder body, the cylinder body comprises an outer cylinder, an inner cylinder and a bottom plate, the outer cylinder is arranged on the inner cylinder in a sleeved mode, the outer cylinder and the inner cylinder are both connected with the bottom plate, a planting cavity is formed between the inner cylinder and the bottom plate, plants are planted in the planting cavity, and an improved cavity is formed between the inner cylinder and the outer cylinder; through holes are formed in the outer cylinder, the inner cylinder and the bottom plate, one-way water seepage films are arranged on the inner wall of the outer cylinder, the inner wall of the inner cylinder and the bottom plate, and water in soil flows into the planting cavity and the improvement cavity through the through holes so that the water can stay in the planting cavity and the improvement cavity. The saline-alkali land treatment device solves the technical problems of high cost and high difficulty in saline-alkali land treatment in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of saline-alkali land treatment equipment, in particular to a saline-alkali land treatment device. Background Art

[0002] The threat of soil salinization to agriculture is a global problem. Currently, there are many methods to control saline-alkali land, such as physical and chemical improvement methods.

[0003] The physical improvement method is to use irrigation and drainage measures to improve saline-alkali land, which can effectively control and improve the degree of soil salinization. However, this is greatly limited by the abundance of water resources in some areas, and the huge water conservancy projects and long cycles can hardly keep up with the pace of modernization, and it is difficult to see economic benefits in a short time; the cost of using improvers to improve the soil increases, and the improvement range of improvers is limited. It can only improve the soil in a small area, and the effect after improvement is not good.

[0004] Therefore, the prior art needs to be further developed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and provide a saline-alkali land treatment device to solve the technical problems of high cost and great difficulty in treating saline-alkali land in the related technology.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a saline-alkali land management device is provided, including a cylinder body, the cylinder body includes an outer cylinder, an inner cylinder and a bottom plate, the outer cylinder is sleeved on the inner cylinder, the outer cylinder and the inner cylinder are both connected to the bottom plate, a planting cavity is provided between the inner cylinder and the bottom plate, plants are planted in the planting cavity, and an improved cavity is provided between the inner cylinder and the outer cylinder; through holes are provided on the outer cylinder, the inner cylinder and the bottom plate, and a unidirectional water permeable membrane is provided on the inner wall of the outer cylinder, the inner wall of the inner cylinder and the bottom plate, and water in the soil flows into the planting cavity and the improved cavity respectively through the through holes, so that the water stays in the planting cavity and the improved cavity respectively.

[0007] Furthermore, a reverse osmosis membrane is arranged on the outer wall of the inner cylinder.

[0008] Furthermore, a cover plate is provided at one end of the improved cavity away from the bottom plate, the cover plates are connected to the outer cylinder and the inner cylinder, and the cover plates are used to cover the improved cavity.

[0009] Furthermore, the saline-alkali land treatment device also includes a through pipe, which is arranged in the planting cavity and has a plurality of drainage holes. Water in the through pipe flows into the planting cavity through the plurality of drainage holes.

[0010] Furthermore, the through pipe is perpendicular to the bottom plate, and a water injection port is arranged at one end of the through pipe away from the bottom plate, and water flows into the through pipe through the water injection port.

[0011] Furthermore, there are multiple through pipes, and each through pipe is arranged in the planting cavity at intervals.

[0012] Furthermore, each through pipe is arranged at intervals around the inner wall of the inner tube.

[0013] Furthermore, the cover plate is detachably connected to the outer cylinder and the inner cylinder respectively.

[0014] Furthermore, the cover plate is made of anti-reverse salt material.

[0015] Furthermore, non-woven fabric layers are provided on the outer wall of the outer tube and the outer wall of the inner tube, and the non-woven fabric layers prevent sand and soil from clogging the through holes.

[0016] Beneficial effects:

[0017] 1. The saline-alkali land treatment device of the utility model, through the arrangement of the outer cylinder, the inner cylinder, the improvement cavity and the bottom plate, utilizes the water absorption function of the plant root system to absorb the saline-alkali and water around the soil into the improvement cavity, and then removes the saline-alkali in the improvement cavity. The improvement cost is low and the method is simple and practical.

[0018] 2. The saline-alkali land treatment device of the utility model arranges a one-way water-permeable membrane on the inner wall of the inner cylinder to ensure that the water in the planting cavity will not be lost due to the density difference between the inside and the outside. At the same time, the surrounding salt and alkali can be gathered into the improvement cavity and then removed uniformly, thereby improving the soil improvement effect.

[0019] 3. The saline-alkali land treatment device of the utility model can water the root system of the plant through the through pipe when the plant lacks water, thereby improving the utilization rate of water and preventing the occurrence of salt crystallization on the top surface of the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a saline-alkali land treatment device used in an embodiment of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a cover plate of a saline-alkali land treatment device adopted in an embodiment of the utility model;

[0022] Figure 3 It is a structural schematic diagram of a through pipe of a saline-alkali land treatment device adopted in an embodiment of the utility model.

[0023] The above drawings include the following reference numerals:

[0024] 1. Cylinder body; 11. Outer cylinder; 12. Inner cylinder; 13. Bottom plate; 14. Planting cavity; 15. Improved cavity; 2. Cover plate; 3. Through pipe; 31. Drainage hole; 32. Water inlet. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0026] According to the embodiment of the utility model, a saline-alkali land treatment device is provided. Figures 1 to 3 , comprising a cylinder 1, the cylinder 1 comprising an outer cylinder 11, an inner cylinder 12 and a bottom plate 13, the outer cylinder 11 is sleeved on the inner cylinder 12, the outer cylinder 11 and the inner cylinder 12 are both connected to the bottom plate 13, a planting cavity 14 is provided between the inner cylinder 12 and the bottom plate 13, the plant is planted in the planting cavity 14, and an improved cavity 15 is provided between the inner cylinder 12 and the outer cylinder 11; through holes are provided on the outer cylinder 11, the inner cylinder 12 and the bottom plate 13, and a one-way water permeable membrane is provided on the inner wall of the outer cylinder 11, the inner wall of the inner cylinder 12 and the bottom plate 13, and the water in the soil flows into the planting cavity 14 and the improved cavity 15 respectively through the through holes, so that the water stays in the planting cavity 14 and the improved cavity 15 respectively. The xerophytes are planted in the planting cavity 14, and then filled and covered with soil, the root system of the plant spreads, and the plant absorbs the salt and water around the soil into the improved cavity 15 by its own water absorption function. Since the inner wall of the outer cylinder 11, the inner wall of the inner cylinder 12 and the bottom plate 13 are all provided with a one-way water-permeable membrane, the water in the improved cavity 15 will not be reversely absorbed by the soil outside the outer cylinder 11 due to the difference in density between the inside and the outside. Then the plant absorbs the water in the improved cavity 15 into the plant body, and the one-way water-permeable membrane on the inner wall of the inner cylinder 12 can prevent the water in the plant body from being reversely absorbed. Finally, the salt and alkali gather in the improved cavity 15 and are uniformly removed, making the management of saline-alkali land simple, convenient and low-cost. The saline-alkali land management device of this embodiment solves the technical problems of high cost and difficulty in managing saline-alkali land in the related art.

[0027] In the saline-alkali land treatment device of this embodiment, a reverse osmosis membrane is provided on the outer wall of the inner cylinder 12 to prevent the water in the improvement chamber 15 from entering the planting chamber 14 .

[0028] See also Figure 2 In the saline-alkali land treatment device of this embodiment, a cover plate 2 is provided at one end of the improvement chamber 15 away from the bottom plate 13, and the cover plate 2 is connected to the outer cylinder 11 and the inner cylinder 12, and the cover plate 2 is used to cover the improvement chamber 15. The outer cylinder 11 and the inner cylinder 12 are both circular structures, so that the improvement chamber 15 is annular. The cover plate 2 is covered on the top of the improvement chamber 15, and the specification of the cover plate 2 is larger than that of the outer cylinder 11, so that crystallization can be ensured around the soil.

[0029] See also Figure 3The saline-alkali land treatment device of this embodiment further includes a through pipe 3, which is arranged in the planting cavity 14 and has a plurality of drainage holes 31. Water in the through pipe 3 flows into the planting cavity 14 through the plurality of drainage holes 31. When the plant lacks water, water is irrigated to the root system of the plant through the through pipe 3 to prevent the plant from being dry and water-deficient.

[0030] See also Figure 3 In the saline-alkali land treatment device of this embodiment, the through pipe 3 is perpendicular to the bottom plate 13, and a water injection port 32 is provided at one end of the through pipe 3 away from the bottom plate 13, and water flows into the through pipe 3 through the water injection port 32.

[0031] See also Figure 1 and Figure 3 In the saline-alkali land treatment device of this embodiment, there are multiple through pipes 3, and each through pipe 3 is arranged at intervals in the planting cavity 14 to facilitate water to flow evenly to the root system.

[0032] See also Figure 3 In the saline-alkali land treatment device of this embodiment, each through pipe 3 is arranged at intervals around the inner wall of the inner tube 12.

[0033] In the saline-alkali land treatment device of this embodiment, the cover plate 2 is detachably connected to the outer cylinder 11 and the inner cylinder 12. The cover plate 2 and the outer cylinder 11 and the inner cylinder 12 may be provided with a block and a slide groove structure, or a snap structure or other disassembly structure, so as to facilitate opening the cover plate 2 and regularly cleaning the salt crystals in the improvement chamber 15 to ensure the improvement effect.

[0034] In the saline-alkali land treatment device of this embodiment, the cover plate 2 is made of anti-salt backflow material, and the middle part is a hollow structure to prevent salt crystallization from occurring on the soil surface.

[0035] In the saline-alkali land treatment device of this embodiment, non-woven fabric layers are provided on the outer wall of the outer cylinder 11 and the outer wall of the inner cylinder 12, and the non-woven fabric layers are used to prevent sand and soil from clogging the through holes.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0038] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0039] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0040] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A saline-alkali land treatment device, characterized in that: The invention comprises a cylinder body (1), wherein the cylinder body (1) comprises an outer cylinder (11), an inner cylinder (12) and a bottom plate (13); the outer cylinder (11) is sleeved on the inner cylinder (12); the outer cylinder (11) and the inner cylinder (12) are both connected to the bottom plate (13); a planting cavity (14) is provided between the inner cylinder (12) and the bottom plate (13); plants are planted in the planting cavity (14); and a modified cavity (15) is provided between the inner cylinder (12) and the outer cylinder (11); Through holes are provided on the outer cylinder (11), the inner cylinder (12) and the bottom plate (13); one-way water-permeable membranes are provided on the inner wall of the outer cylinder (11), the inner wall of the inner cylinder (12) and the bottom plate (13); water in the soil flows into the planting cavity (14) and the improved cavity (15) respectively through the through holes, so that the water stays in the planting cavity (14) and the improved cavity (15) respectively.

2. The saline-alkali land treatment device according to claim 1, characterized in that: A reverse osmosis membrane is arranged on the outer wall of the inner cylinder (12).

3. The saline-alkali land treatment device according to claim 1, characterized in that: A cover plate (2) is provided at one end of the improved cavity (15) away from the bottom plate (13); the cover plate (2) is connected to the outer cylinder (11) and the inner cylinder (12); and the cover plate (2) is used to cover the improved cavity (15).

4. The saline-alkali land treatment device according to claim 1, characterized in that: The saline-alkali land treatment device further comprises a through pipe (3), wherein the through pipe (3) is arranged in the planting cavity (14), and a plurality of drainage holes (31) are arranged on the through pipe (3), and water in the through pipe (3) flows into the planting cavity (14) through the plurality of drainage holes (31).

5. The saline-alkali land treatment device according to claim 4, characterized in that: The through pipe (3) is perpendicular to the bottom plate (13); an end of the through pipe (3) away from the bottom plate (13) is provided with a water injection port (32); water flows into the through pipe (3) through the water injection port (32).

6. The saline-alkali land treatment device according to claim 5, characterized in that: There are a plurality of through pipes (3), and each of the through pipes (3) is arranged at intervals in the implantation cavity (14).

7. The saline-alkali land treatment device according to claim 6, characterized in that: The through pipes (3) are arranged at intervals around the inner wall of the inner tube (12).

8. The saline-alkali land treatment device according to claim 3, characterized in that: The cover plate (2) is detachably connected to the outer cylinder (11) and the inner cylinder (12) respectively.

9. The saline-alkali land treatment device according to claim 8, characterized in that: The cover plate (2) is made of anti-reverse salt material.

10. The saline-alkali land treatment device according to claim 1, characterized in that: Non-woven fabric layers are provided on the outer wall of the outer cylinder (11) and the outer wall of the inner cylinder (12), and the non-woven fabric layers prevent sand and soil from clogging the through holes.

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