阅读说明：本技术 一种用于海岸盐碱地修复治理的排盐结构 (A arrange salt structure that is used for coastal saline and alkaline land to restore and administer ) 是由 张雪芳 郑利锦 宋郭柳 李春花 李常青 汪晓菲 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种用于海岸盐碱地修复治理的排盐结构,涉及土壤修复治理技术领域。本发明包括固基护岸、洗盐管、循环井和内渗管组,其中固基护岸和内渗管组均埋设于土壤内部,洗盐管设置于地表,洗盐管和内渗管组均与循环井连通。本发明通过设置固基护岸和内渗管组,将内渗管与海岸护岸结构相结合,快速高效地对海岸盐碱地进行土壤排盐修复的同时,还能够利用固基护岸稳固沿岸地基；其中,内渗管组主要用于渗透地下水,降低地下水位,而洗盐管和循环井,能够对盐碱地的种植层进行灌溉和洗脱盐操作,并使种植层的盐分随水流排入循环井进行盐分沉积而脱盐；循环井中脱盐后的水再次用于灌溉和脱盐,能够快速地修复海岸盐碱地。(The invention discloses a salt elimination structure for coastal saline-alkali soil restoration and treatment, and relates to the technical field of soil restoration and treatment. The device comprises a solid foundation bank protection, a salt washing pipe, a circulating well and an inner seepage pipe group, wherein the solid foundation bank protection and the inner seepage pipe group are buried in soil, the salt washing pipe is arranged on the ground surface, and the salt washing pipe and the inner seepage pipe group are communicated with the circulating well. According to the invention, the foundation stabilization shore protection and the inner infiltration pipe group are arranged, and the inner infiltration pipe is combined with the coastal shore protection structure, so that the coastal foundation can be stabilized by using the foundation stabilization shore protection while the soil salt elimination restoration is rapidly and efficiently carried out on the coastal saline-alkali soil; the internal infiltration pipe group is mainly used for infiltrating underground water and reducing the underground water level, and the salt washing pipe and the circulating well can be used for irrigating and washing salt on a planting layer of the saline-alkali soil, and salt in the planting layer is discharged into the circulating well along with water flow to deposit salt for desalting; the desalted water in the circulating well is used for irrigation and desalting again, so that the coastal saline-alkali soil can be quickly repaired.)

1. The utility model provides a arrange salt structure for coastal saline and alkaline land is restoreed and is administered, includes solid base revetment (1), salt washing pipe (2), circulation well (3) and interior infiltration nest of tubes, its characterized in that: the inner seepage pipe group comprises a high seepage pipe (4) and a low seepage pipe (5), wherein the high seepage pipe (4) is arranged below the low seepage pipe (5), and the high seepage pipe and the low seepage pipe are both communicated with the circulating well (3); the salt washing pipe (2) is arranged above the low-permeability pipe (5) and is communicated with the circulating well (3); the high permeability pipe (4) is communicated with the inside of the solid foundation revetment (1);

the solid foundation revetment (1) comprises a connecting beam (101) and a plurality of revetment pipes (102), wherein one surface of the connecting beam (101) is bolted with the plurality of revetment pipes (102); a communicating hole is formed in one side surface of the shore protection pipe (102), and a fixing clamp (103) is connected to the communicating hole in a shaft mode; one end face of the high permeability pipe (4) is communicated with the bank protection pipe (102) through a fixing clamp (103);

the structure of the high-permeability pipe (4) is the same as that of the low-permeability pipe (5), and a plurality of capillary infiltration pipes (401) are adhered to the outer side surface of the high-permeability pipe (4); the lower side surface of the salt washing pipe (2) is welded and communicated with a plurality of capillary tubes (201), and the capillary tubes (201) are matched with capillary infiltration pipes (401) of the hypotonic pipe (5); one end of the salt washing pipe (2) is bolted with a water suction pump (202), one side of the water suction pump (202) is in bolted communication with a water suction pipe (2021), and the water suction pipe (2021) extends to the interior of the circulating well (3).

2. The salt elimination structure for coastal saline-alkali soil restoration and treatment according to claim 1, wherein the internal infiltration pipe group further comprises two confluence boxes (6), and the two confluence boxes (6) are respectively in bolted communication with a plurality of high-permeability pipes (4) and a plurality of low-permeability pipes (5); and a collecting pipe (601) is bolted and communicated between the collecting box (6) and the circulating well (3).

3. The salt elimination structure for coastal saline-alkali soil restoration and treatment according to claim 2, wherein one side surface of the shore protection pipe (102) is adhered with a limiting clamping strip (1021), the other side surface is provided with a limiting clamping groove (1022), and the limiting clamping strip (1021) and the limiting clamping groove (1022) between two adjacent shore protection pipes (102) are clamped with each other.

4. The salt elimination structure for coastal saline-alkali soil restoration and treatment according to claim 3, wherein the fixing clamp (103) comprises two clamping plates (1031), and the clamping plates (1031) are arc-shaped plate structures; the two clamping sleeve plates (1031) are elastically hinged.

5. The salt elimination structure for coastal saline-alkali soil restoration and treatment according to claim 4, characterized in that a plurality of electro-hydraulic rods (1011) are arranged on the lower surface of the connecting beam (101), and the electro-hydraulic rods (1011) extend to the inside of the shore protection pipe (102); the output end of the electric hydraulic rod (1011) is welded with a hydraulic plate (1012), and the hydraulic plate (1012) and the interior of the shore protection pipe (102) form a piston structure.

6. The salt elimination structure for coastal saline-alkali soil remediation according to claim 5, wherein the shore protection pipe (102) is internally provided with a piezoelectric valve (1023) and a slide bar (1024), wherein the piezoelectric valve (1023) is sleeved with the slide bar (1024) and is in sliding fit with the slide bar; the piezoelectric valve (1023) is welded with the inner surface of the shore protection pipe (102).

7. The salt elimination structure for coastal saline-alkali soil restoration and treatment as claimed in claim 6, wherein the sliding rods (1024) are welded with buoy plates (1025) on the lower end faces and baffle plates (1026) on the upper end faces; the piezoelectric valve (1023) is electrically connected with the electric hydraulic rod (1011) and the water pump (202).

Technical Field

The invention belongs to the technical field of soil restoration and treatment, and particularly relates to a salt elimination structure for restoration and treatment of coastal saline-alkali soil.

Background

Salinization is a phenomenon of accumulation of soil salts, and generally affects the growth of crops due to high salt content in soil; usually, saline-alkali soil is formed under the influence of climate, geographical conditions and water flow and water system, especially coastal saline-alkali soil, which is also called coastal saline-alkali soil, is formed by erosion of coastal soil caused by high salinity environment of seawater, and has great harm to coastal crop economy; the existing coastal saline-alkali soil restoration and treatment is usually carried out by utilizing a biological method and plants with stronger planting vitality, for example, the invention patent (CN105908693B) discloses a planting blanket for improving the original soil of the muddy coastal saline-alkali soil, although the planting blanket has good effect on the restoration and treatment of the saline-alkali soil, the single biological method has long growth cycle and is difficult to take effect in a short time; in addition, the common method of permeating water through the inner seepage pipe is utilized to remove salt and wash salt, so that the underground soil structure is often damaged, and the repairing effect is poor; in order to solve the problems, a salt elimination structure for coastal saline-alkali soil restoration and treatment is designed.

Disclosure of Invention

The invention aims to provide a salt elimination structure for coastal saline-alkali soil restoration and treatment, and solves the problems that the existing coastal saline-alkali soil biological restoration and treatment means is long in action period and slow in restoration speed, and a common inner infiltration pipe restoration method is easy to damage a soil structure.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a salt elimination structure for repairing and treating a coastal saline-alkali soil, which comprises a solid foundation bank protection pipe, a salt washing pipe, a circulating well and an inner seepage pipe group, wherein the solid foundation bank protection pipe and the inner seepage pipe group are both embedded in a soil layer of the saline-alkali soil to be repaired; the inner seepage pipe group comprises a high seepage pipe and a low seepage pipe, wherein the high seepage pipe is arranged below the low seepage pipe, and the high seepage pipe and the low seepage pipe are both communicated with the circulating well; the salt washing pipe is arranged above the low-permeability pipe and is communicated with the circulating well; the high-permeability pipe is communicated with the inside of the solid foundation revetment;

the solid foundation revetment comprises a connecting beam and a plurality of revetment pipes, and one surface of the connecting beam is bolted with the plurality of revetment pipes; a communicating hole is formed in one side face of the bank protection pipe, and a fixing clamp is connected to the communicating hole in a shaft mode; one end surface of the high-permeability pipe is communicated with the shore protection pipe through a fixing clamp; the fixing clamp comprises two clamping sleeve plates, and the clamping sleeve plates are arc-shaped plate structures; the two jacket plates are elastically hinged; when the shore protection pipe and the high-permeability pipe are buried, the two high-permeability pipes are directly clamped and fixed with a fixing clamp with an elastic structure, and then the fixed communication with the shore protection pipe can be realized;

one side surface of each shore protection pipe is adhered with a limiting clamping strip, the other side surface of each shore protection pipe is provided with a limiting clamping groove, and the limiting clamping strips and the limiting clamping grooves between two adjacent shore protection pipes are clamped with each other, so that the assembly and the embedding of the solid foundation shore protection are facilitated, and the stability of the ring structure is improved;

the high-permeability pipe and the low-permeability pipe have the same structure and form a double-permeability pipe structure, so that the permeability of the water level in the saline-alkali soil layer is improved, and the underground water level is reduced; a plurality of capillary infiltration pipes are adhered to the outer side surface of the high-permeability pipe; the lower side surface of the salt washing pipe is welded and communicated with a plurality of capillaries, and the capillaries are matched with the capillary infiltration pipes of the low infiltration pipe; one end of the salt washing pipe is bolted with a water suction pump, one side of the water suction pump is in bolted communication with a water suction pipe, and the water suction pipe extends into the circulating well; pumping out the underground water from the circulating well by a water pump, discharging the underground water into the surface layer of the saline-alkali land through a capillary tube of the salt washing tube, eluting the salt in the soil above the hypotonic tube, and continuously permeating the underground water into the circulating well along with water flow.

Furthermore, the inner seepage pipe groups also comprise two confluence boxes, and the two confluence boxes are respectively in bolted communication with the plurality of high seepage pipes and the plurality of low seepage pipes, so that the seepage water of each inner seepage pipe group is converged and converged, and the eluted salt is deposited; and a collecting pipe is bolted and communicated between the collecting box and the circulating well.

Furthermore, a plurality of electric hydraulic rods are mounted on the lower surface of the connecting beam and extend into the bank protection pipe; the output end of the electric hydraulic rod is welded with a hydraulic plate, and the hydraulic plate and the interior of the shore protection pipe form a piston structure; the interior of the bank protection pipe is provided with a piezoelectric valve and a sliding rod, wherein the piezoelectric valve is sleeved with the sliding rod and is in sliding fit with the sliding rod; the piezoelectric valve is welded with the inner surface of the bank protection pipe; the lower end face of the sliding rod is welded with a buoy plate, and the upper end face of the sliding rod is welded with a baffle plate; the piezoelectric valve is electrically connected with the electric hydraulic rod and the water pump; when the circulating well and the underground water level gradually rise, the buoy plate slides upwards to extrude the piezoelectric valve after receiving the buoyancy of water, at the moment, the electric hydraulic rod and the water suction pump are started simultaneously, the water suction pump pumps desalted water in the circulating well out to irrigate and wash out salt on the ground surface, and the underground water level is reduced simultaneously; the electric hydraulic rod utilizes the piston structure of the hydraulic plate and the shore protection pipe to press down the water level to assist in reducing the underground water level.

The invention has the following beneficial effects:

1. according to the coastal saline-alkali soil salt-removing and repairing method, the foundation stabilization revetment and the inner infiltration pipe group are arranged, and an inner infiltration pipe repairing mode is combined with a coastal revetment structure, so that salt removal and repairing can be quickly and efficiently carried out on coastal saline-alkali soil, meanwhile, the foundation stabilization of a coastal foundation can be realized by utilizing the foundation stabilization revetment, and water and soil loss is avoided; the internal infiltration pipe group is mainly used for infiltrating underground water and reducing the underground water level, and the salt washing pipe and the circulating well arranged in the invention can be used for irrigating and washing salt on a planting layer of the saline-alkali soil, and salt in the planting layer is discharged into the circulating well along with water flow to be desalted through salt deposition; the desalted water in the circulating well is used for irrigation and desalting again, so that the coastal saline-alkali soil can be quickly repaired.

2. The invention can be combined with a bioremediation method, namely, a planting area is arranged on the soil layer, and green plants, turf and the like are planted on the surface of the soil layer for assisting the salt elimination structure of the invention to carry out long-acting bioremediation on the soil of the soil layer, and the combination of the planting area and the turf can ensure that the effect of the soil remediation and the salt elimination is obvious and can be continuously developed.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a structural composition diagram of the whole salt elimination structure for coastal saline-alkali soil restoration and treatment;

FIG. 2 is a high permeability pipe distribution diagram of a salt elimination structure for coastal saline-alkali soil remediation treatment according to the present invention;

FIG. 3 is a partial view of portion A of FIG. 2;

FIG. 4 is a top plan view of a salt elimination structure for coastal saline-alkali land remediation treatment of the present invention;

FIG. 5 is a schematic structural view of section B-B of FIG. 4;

FIG. 6 is a partial view of portion C of FIG. 5;

FIG. 7 is a partial view of portion D of FIG. 5;

fig. 8 is a diagram showing the application of the salt elimination structure for coastal saline-alkali soil remediation treatment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. fixing foundation and protecting banks; 2. a salt washing pipe; 3. a circulation well; 4. a hypertonic pipe; 5. a hypotonic tube; 101. a connecting beam; 102. protecting a shore pipe; 103. fixing the clamp; 401. a capillary infiltration pipe; 202. a water pump; 2021. a water pumping pipe; 6. a junction box; 601. a collector pipe; 1021. limiting clamping strips; 1022. a limiting clamping groove; 1031. a jacket plate; 1011. an electro-hydraulic lever; 1012. a hydraulic plate; 1023. a piezoelectric valve; 1024. a slide bar; 1025. a buoy plate; 1026. a baffle plate; 201. a capillary tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-8, the invention relates to a salt elimination structure for repairing and treating a coastal saline-alkali soil, which comprises a solid foundation revetment 1, a salt washing pipe 2, a circulating well 3 and an inner seepage pipe group, wherein the solid foundation revetment 1 and the inner seepage pipe group are both buried in a soil layer of the saline-alkali soil to be repaired, the circulating well 3 is arranged at an offshore position of the saline-alkali soil, the solid foundation revetment 1 is arranged at an offshore position of the saline-alkali soil, and the salt washing pipe 2 is arranged on the surface of the saline-alkali soil; the inner seepage pipe group comprises a high seepage pipe 4 and a low seepage pipe 5, wherein the high seepage pipe 4 is arranged below the low seepage pipe 5, and the high seepage pipe 4 and the low seepage pipe are both communicated with the circulating well 3; the salt washing pipe 2 is arranged above the low-permeability pipe 5 and is communicated with the circulating well 3; the high permeability pipe 4 is communicated with the inside of the solid foundation revetment 1;

the solid foundation revetment 1 comprises a connecting beam 101 and a plurality of revetment pipes 102, wherein one surface of the connecting beam 101 is bolted with the plurality of revetment pipes 102; a communicating hole is formed in one side face of the shore protection pipe 102, and a fixing clamp 103 is connected to the communicating hole in a shaft mode; one end face of the high permeability pipe 4 is communicated with the revetment pipe 102 through a fixing clamp 103; the fixing clip 103 includes two clamping plates 1031, and the clamping plates 1031 are arc-shaped plate structures; the two jacket plates 1031 are elastically hinged; when the shore protection pipe 102 and the high-permeability pipe 4 are buried, the two high-permeability pipes 4 are directly clamped and fixed with a fixing clamp 103 with an elastic structure, and then the shore protection pipe 102 can be fixedly communicated;

one side surface of each shore protection pipe 102 is adhered with a limiting clamping strip 1021, the other side surface of each shore protection pipe 102 is provided with a limiting clamping groove 1022, and the limiting clamping strips 1021 between two adjacent shore protection pipes 102 are clamped with the limiting clamping grooves 1022, so that the assembly and the embedding of the solid shore protection 1 are facilitated, and the stability of the ring structure is improved;

the high-permeability pipe 4 and the low-permeability pipe 5 have the same structure and form a double-permeability pipe structure, so that the permeability of the water level in the saline-alkali soil is improved, and the underground water level is reduced; a plurality of capillary infiltration pipes 401 are adhered to the outer side surface of the high infiltration pipe 4; the lower side surface of the salt washing pipe 2 is welded and communicated with a plurality of capillaries 201, and the capillaries 201 are matched with the capillary seepage pipe 401 of the low seepage pipe 5; one end of the salt washing pipe 2 is bolted with a water suction pump 202, one side of the water suction pump 202 is bolted and communicated with a water suction pipe 2021, and the water suction pipe 2021 extends into the circulating well 3; the water pump 202 pumps the underground water in the circulating well 3, the underground water is discharged into the surface layer of the saline-alkali land through the capillary 201 of the salt washing pipe 2, the salt in the soil above the hypotonic pipe 5 is eluted, and the underground water continuously permeates into the circulating well 3 along with the water flow.

Example 2:

in order to treat desalted water of the soil on the surface and the upper planting layer of the saline-alkali soil, the inner seepage pipe group also comprises two confluence boxes 6, the two confluence boxes 6 are respectively in bolted communication with a plurality of high seepage pipes 4 and a plurality of low seepage pipes 5, the seepage water of each inner seepage pipe group is converged and converged, and the eluted salt is deposited; a collecting pipe 601 is bolted and communicated between the collecting box 6 and the circulating well 3.

Example 3:

in order to cope with the short-time rise of underground water level and balance the distribution of water and salt in soil, a plurality of electric hydraulic rods 1011 are arranged on the lower surface of the connecting beam 101, and the electric hydraulic rods 1011 extend into the shore protection pipe 102; the output end of the electric hydraulic rod 1011 is welded with a hydraulic plate 1012, and the hydraulic plate 1012 and the interior of the bank protection pipe 102 form a piston structure; a piezoelectric valve 1023 and a sliding rod 1024 are arranged inside the shore protection pipe 102, wherein the piezoelectric valve 1023 is sleeved with the sliding rod 1024 and is in sliding fit with the sliding rod 1024; the piezoelectric valve 1023 is welded with the inner surface of the revetment pipe 102; a buoy plate 1025 is welded on the lower end face of the sliding rod 1024, and a baffle 1026 is welded on the upper end face of the sliding rod; the piezoelectric valve 1023 is electrically connected with the electric hydraulic rod 1011 and the water pump 202; when the circulation well 3 and the underground water level gradually rise, the buoy plate 1025 slides upwards to squeeze the piezoelectric valve 1023 under the buoyancy of water, at the moment, the electric hydraulic rod 1011 and the water suction pump 202 are started simultaneously, the water suction pump 202 pumps desalted water in the circulation well 3 to irrigate and flush the earth surface, and the underground water level is reduced; the electro-hydraulic rod 1011 pushes down the water level by means of the piston structure of the hydraulic plate 1012 and the revetment pipe 102, assisting in lowering the ground water level.

Example 4:

as shown in fig. 8, since the technical solutions represented by the above technical features are all measures for quickly repairing and managing the salt elimination of the saline and alkaline land on the coast, in the actual operation process, after the initial quick salt elimination repair is finished, a bioremediation method should be combined, that is, a planting area E is arranged in the soil layer, and green plants, turf and the like are planted on the surface of the soil layer for assisting the salt elimination structure of the present invention to perform long-term bioremediation on the soil of the soil layer, and the two are combined to make the salt elimination effect of soil repair better.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.