CN210694842U

CN210694842U - Saline alkali soil improvement system

Info

Publication number: CN210694842U
Application number: CN201921489339.7U
Authority: CN
Inventors: 苏立峰; 赵永平; 唐燕
Original assignee: Shanghai Landscape Industry Co ltd
Current assignee: Shanghai Landscape Industry Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-09
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a saline-alkali soil improvement system, relating to the technical field of soil improvement, comprising a saline-alkali soil base layer, wherein one side of the saline-alkali soil base layer, which is close to the ground, is provided with a planting layer for planting plants, and a water-resisting layer is arranged between the saline-alkali soil base layer and the planting layer; a water inlet well is fixed in the planting layer, the water inlet well extends to the water-resisting layer, and a drain hole is formed in the water inlet well at the water-resisting layer; be provided with the salt discharging well that has the well lid in the saline and alkaline soil basic unit, the salt discharging well runs through the water barrier simultaneously and plants the layer, is equipped with the salt discharging subassembly that is used for discharging the interior salinity of saline and alkaline soil basic unit in the salt discharging well. The problem of the salt content is difficult for discharging in having the drain to prior art, the utility model provides a saline and alkaline soil improvement system through arranging the salt well setting, utilizes the liquid discharge that contains the salt content that the salt subassembly will be arranged in the salt well, increases the discharge amount of salt in the drain to reduce the content of salt in the saline and alkaline soil basic unit.

Description

Saline alkali soil improvement system

Technical Field

The utility model relates to a soil improvement technical field, more specifically say, it relates to a saline and alkaline soil improvement system.

Background

Saline-alkali soil is a soil with strong alkalinity due to excessive salt content, and a series of physical properties of soil are deteriorated along with the accumulation of salt in the soil, such as soil structure viscosity, poor air permeability, high volume weight, slow soil temperature rise, poor aerobic biological activity in the soil, slow nutrient release and low permeability coefficient, so that the salinization of surface soil is further increased.

For the existing saline-alkali soil improvement system, such as the Chinese patent with the publication number of CN207410712U, the saline-alkali soil improvement system based on garden greening is disclosed, which comprises a saline-alkali soil base layer and a passenger soil layer, wherein a plurality of parallel drainage channels are arranged on the saline-alkali soil base layer, a diversion trench is arranged between every two adjacent drainage channels, and water-spreading filler is filled in the diversion trench; saline-alkali soil base course's top surface is equipped with the first isolation layer that permeates water, the upside of the first isolation layer that permeates water is equipped with first water spreading layer, the first upside that expands the water layer is equipped with the water-proof membrane, the position that lies in between two adjacent water drainage channels in the soil layer of visiting is equipped with the intake chamber, the both sides of intake chamber all are equipped with the baffle, it has the gravel to fill between the baffle, the downside of baffle is equipped with the water conservancy diversion hole with first water spreading layer intercommunication, be equipped with the horizontally filter between the upside of baffle, the top surface on soil layer of visiting is equipped with the water conservancy diversion slope, the lower extreme on water conservancy diversion slope is.

In the above-mentioned patent, the water of the saline and alkaline land of flowing through converges at last in the drain, and the salt in the saline and alkaline land is easy to gather in the drain, because the drain is located the underground, and the salt in the drain is easy to accumulate too much, leads to difficult the discharge.

SUMMERY OF THE UTILITY MODEL

The problem of the salt content is difficult for discharging in having the drain to prior art, the utility model aims at providing a saline and alkaline soil improvement system, it has the advantage that increases the salt content in the drain and divides the discharge volume.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a saline-alkali soil improvement system comprises a saline-alkali soil base layer, wherein a planting layer for planting plants is arranged on one side of the saline-alkali soil base layer close to the ground, and a water-resisting layer is arranged between the saline-alkali soil base layer and the planting layer; a water inlet well is fixed in the planting layer, the water inlet well extends to the waterproof layer, and a drain hole is formed in the position, on the waterproof layer, of the water inlet well; be provided with the salt well of arranging that has the well lid in the saline and alkaline soil basic unit, it runs through simultaneously to arrange the salt well the water barrier with plant the layer, be equipped with in arranging the salt well and be used for discharging the salt subassembly of arranging of saline and alkaline soil basic unit internal salinity.

Through the technical scheme, in practical application, rainwater flows in from the water inlet well, enters the water expansion layer through the drain hole, flows to the saline-alkali soil base layer and then flows to the salt discharge well; the staff is through the use of arranging the salt subassembly, and the liquid that contains the salinity in arranging the salt well is discharged and is arranged the salt well.

Furthermore, arrange the salt subassembly and include drawing liquid pump and drawing liquid pipe, the drawing liquid pump is installed arrange the salt well in, drawing liquid pipe one end with drawing liquid pump intercommunication, the other end extends arrange the salt well.

Through above-mentioned technical scheme, in the in-service use, the staff starts the drawing liquid pump in the salt well of row, and the water that will arrange the salt well in has the salinity is taken out to the liquid suction pipe, by the outside of liquid suction pipe direction row salt well to reduce the salt content in the saline and alkaline soil basic unit.

Furthermore, one end, far away from the liquid pump, of the liquid pumping pipe is communicated with a liquid collecting tank, and the liquid collecting tank is located on one side, far away from the water-resisting layer, of the planting layer.

Through above-mentioned technical scheme, in the in-service use, the liquid collection of the discharged still having salinity in the row salt well is in album liquid tank, prevents that the liquid reflux that contains the salinity from going into and planting the layer, and then flows in the saline-alkali soil basic unit again.

Furthermore, the salt discharge well is fixed with a middle baffle plate at the junction of the water-resisting layer and the saline-alkali soil base layer, and the liquid pumping pipe penetrates through the middle baffle plate.

Through above-mentioned technical scheme, in the practical application, well baffle is arranged in stopping the moisture that plants the layer and divides into and arranges the salt well, keeps the plant can have sufficient moisture in order to supply to grow.

Further, the water barrier includes first water-permeable isolation layer, expands water layer and the second water-permeable isolation layer in proper order, first water-permeable isolation layer is located saline-alkali soil basic unit is close to one side of planting the layer, the second water-permeable isolation layer is located the planting layer is close to one side of saline-alkali soil basic unit, expand the water layer and be located first water-permeable isolation layer with between the second water-permeable isolation layer, a plurality of through-holes have been seted up to first water-permeable isolation layer.

Through the technical scheme, in practical application, rainwater in the water inlet well enters the water expansion layer, flows through the through hole, enters the saline-alkali soil base layer, and then flows into the salt discharge well from the saline-alkali soil base layer; the first and second permeable isolating layers are used for isolating the water-expanding layer from the planting layer and the saline-alkali soil base layer.

Furthermore, one side of the second water-permeable isolation layer, which is close to the water inlet well, is obliquely arranged, and one side of the second water-permeable isolation layer, which is close to the water inlet well, is higher.

Through the technical scheme, in actual application, the second permeable layer which is obliquely arranged facilitates rainwater of the water inlet well to flow through the drain hole and then enter the water expansion layer, so that the rainwater flows in the water expansion layer faster.

Further, arrange the salt well including fixing backup pad, filter cloth layer and lower baffle at its lateral wall, the filter cloth layer is attached in the outside of backup pad, the baffle is fixed down the backup pad with the filter cloth layer is kept away from arrange salt well open-ended one end.

Through the technical scheme, in practical application, the filter cloth layer is used for blocking the loss of particles in soil and reducing the probability of collapse and other situations; the supporting plate and the lower baffle plate are used for supporting the salt discharging well.

Furthermore, one side of the filter cloth layer, which is far away from the support plate, is filled with a filling layer for preventing the filter cloth layer from being blocked.

Through above-mentioned technical scheme, in the in-service use, the particulate matter in the aquatic is kept apart to the filling layer, effectively prevents the jam on filter screen layer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the salt discharge well and the salt discharge assembly are arranged, so that the salt discharge amount in the drainage channel is increased, and the salt content in the saline-alkali soil base layer is reduced;

(2) furthermore, the arrangement of the liquid collecting box prevents the liquid containing salt from flowing back into the soil, so that the salt content in the saline-alkali soil base layer is not reduced;

(3) furtherly, through the setting of filter cloth layer and filling layer, prevent that the granule in the soil from losing, the particulate matter of separation aquatic avoids the filter cloth layer to block up, avoids the emergence of the too much condition such as causing of soil particle loss in the saline and alkaline soil basic unit simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Reference numerals: 1. a saline alkali soil base layer; 2. a water barrier layer; 21. a first water-permeable isolation layer; 211. a through hole; 22. expanding a water layer; 23. a second water-permeable isolation layer; 3. planting a layer; 4. a water inlet well; 41. a water flowing hole; 5. a salt draining well; 51. a support plate; 52. a filter cloth layer; 53. a lower baffle plate; 54. a filling layer; 55. a well cover; 6. a salt discharge assembly; 61. a liquid pump; 62. a liquid pumping pipe; 63. a liquid collecting tank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A saline-alkali soil improving system is shown in figure 1 and comprises a saline-alkali soil base layer 1, wherein a water-resisting layer 2 and a planting layer 3 for planting plants are sequentially paved on one side, close to the ground, of the saline-alkali soil base layer 1; the planting layer 3 is provided with a water inlet well 4 in a penetrating manner, the bottom of the water inlet well 4 extends into the water-resisting layer 2, and a drain hole 41 is formed in the position, on the water-resisting layer 2, of the water inlet well 4; be provided with in the saline-alkali soil basic unit 1 and arrange salt well 5, arrange the open end of salt well 5 and run through water barrier 2 and plant layer 3 and extend to the ground surface.

The water-resisting layer 2 sequentially comprises a first water-permeable isolating layer 21, a water-expanding layer 22 and a second water-permeable isolating layer 23 from bottom to top, and the first water-permeable isolating layer 21 is provided with a plurality of through holes 211 distributed in an array manner; one side that the isolation layer 23 is close to the inlet well 4 is the slope setting for the second, and the isolation layer 23 is permeated water to the second one side that is close to the inlet well 4 is higher, and the isolation layer 23 is permeated water to the second higher side an organic whole be fixed with the linkage segment that the level set up, and the one end butt inlet well 4's of isolation layer 23 is permeated water to the second lateral wall is kept away from to the linkage segment.

The salt discharge well 5 comprises a support plate 51, a filter cloth layer 52 and a lower baffle plate 53 which are fixed on the side wall of the salt discharge well, wherein the support plate 51 is annular, and the filter cloth layer 52 is attached to the outer side of the support plate 51; the lower baffle plate 53 is in a round cake shape and is fixed at one end of the support plate 51 and the filter cloth layer 52 far away from the opening of the salt discharge well 5, and the diameter of the lower baffle plate 53 is larger than the outer diameter of the support plate 51; a cake-shaped middle baffle is fixed at the junction of the water-resisting layer 2 and the saline-alkali soil base layer 1 of the salt discharge well 5; the open end of the salt discharge well 5 is detachably connected with a well cover 55.

The side of the filter cloth layer 52 far away from the support plate 51 is filled with a packing layer 54 for preventing the filter cloth layer 52 from being blocked, preferably, the packing layer 54 is gravel-packed, the packing layer 54 is annular, the inner diameter of the packing layer 54 is equal to the outer diameter of the support plate 51, and the outer diameter of the packing layer 54 is equal to the diameter of the lower baffle plate 53.

Be provided with in the salt discharge well 5 and be used for discharging the salt discharging subassembly 6 of discharging the interior salt of salt well 5, salt discharging subassembly 6 includes drawing liquid pump 61 and drawing liquid pipe 62, and drawing liquid pump 61 installs the diapire at salt discharge well 5, and drawing liquid pipe 62 one end and drawing liquid pump 61 intercommunication extend to well lid 55 behind the baffle in the other end runs through to pass well lid 55 and extend and discharge salt well 5, drawing liquid pipe 62 can be with the liquid area discharge salt well 5 that is acted on by drawing liquid pump 61.

One end intercommunication that drawing liquid pump 61 was kept away from to drawing liquid pipe 62 has collection box 63, and collection box 63 is located the one side of planting layer 3 and keeping away from more water layer, and the staff only need regularly clear up the liquid in the collection box 63 can.

The implementation principle of the embodiment is as follows: after flowing into the water inlet well 4, the rainwater enters the water expansion layer 22 through the water flowing hole 41, is diffused through the water expansion layer 22, flows to the through hole 211 to enter the saline-alkali soil base layer 1, and then enters the salt discharge well 5 through the lime machine; the liquid in the salt draining well 5 is collected into a liquid collecting box 63 through a liquid pumping pipe 62 by a worker by starting a liquid pumping pump 61; the water in rivers and lakes can be introduced into the water inlet well 4, so that the saline-alkali soil base layer 1 can be quickly improved, and the improvement effect is better.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A saline-alkali soil improvement system comprises a saline-alkali soil base layer (1), and is characterized in that one side, close to the ground, of the saline-alkali soil base layer (1) is provided with a planting layer (3) for planting plants, and a water-resisting layer (2) is arranged between the saline-alkali soil base layer (1) and the planting layer (3); a water inlet well (4) is fixed in the planting layer (3), the water inlet well (4) extends to the waterproof layer (2), and a water flowing hole (41) is formed in the position, located on the waterproof layer (2), of the water inlet well (4); be provided with in saline-alkali soil basic unit (1) and arrange salt well (5), it runs through simultaneously to arrange salt well (5) water barrier (2) with plant layer (3), it is used for discharging to be equipped with in salt well (5) arrange salt subassembly (6) of salt in saline-alkali soil basic unit (1).

2. A saline-alkali soil improving system according to claim 1, wherein the salt discharging assembly (6) comprises a liquid pumping pump (61) and a liquid pumping pipe (62), the liquid pumping pump (61) is installed in the salt discharging well (5), one end of the liquid pumping pipe (62) is communicated with the liquid pumping pump (61), and the other end extends out of the salt discharging well (5).

3. A saline-alkali soil improving system according to claim 2, wherein one end of the liquid pumping pipe (62) far away from the liquid pumping pump (61) is communicated with a liquid collecting tank (63), and the liquid collecting tank (63) is positioned at one side of the planting layer (3) far away from the water-resisting layer (2).

4. A saline-alkali soil improving system according to claim 3, wherein the salt discharging well (5) is fixed with a middle baffle plate at the junction of the water-resisting layer (2) and the saline-alkali soil base layer (1), and the liquid pumping pipe (62) penetrates through the middle baffle plate.

5. The saline-alkali soil improving system according to claim 1, wherein the water-resisting layer (2) comprises a first water-permeable isolating layer (21), a water-expanding layer (22) and a second water-permeable isolating layer (23) in sequence, the first water-permeable isolating layer (21) is located on one side of the saline-alkali soil base layer (1) close to the planting layer (3), the second water-permeable isolating layer (23) is located on one side of the planting layer (3) close to the saline-alkali soil base layer (1), the water-expanding layer (22) is located between the first water-permeable isolating layer (21) and the second water-permeable isolating layer (23), and the first water-permeable isolating layer (21) is provided with a plurality of through holes (211).

6. Saline-alkali soil improving system according to claim 5, wherein the second water-permeable isolating layer (23) is arranged obliquely to the layer adjacent to the water inlet well (4), and the side of the second water-permeable isolating layer (23) adjacent to the water inlet well (4) is higher.

7. A saline-alkali soil improving system as claimed in claim 1, wherein the salt discharging well (5) comprises a supporting plate (51) fixed on the side wall thereof, a filter cloth layer (52) and a lower baffle plate (53), the filter cloth layer (52) is attached to the outer side of the supporting plate (51), and the lower baffle plate (53) is fixed on the supporting plate (51) and the end of the filter cloth layer (52) far away from the opening of the salt discharging well (5).

8. Saline-alkali soil improving system according to claim 7, wherein the side of the filter cloth layer (52) remote from the support plate (51) is filled with a filling layer (54) for preventing the filter cloth layer (52) from being clogged.