CN214853039U - Greening planting soil improvement structure - Google Patents

Abstract

The utility model discloses a greening planting soil improvement structure, which comprises greening planting soil arranged in an original soil layer and used for planting trees, wherein a waterproof layer is arranged between the greening planting soil and the original soil layer, and the greening planting soil comprises an isolation layer, a lower water-retaining layer, a breathable layer and an upper water-retaining layer which are sequentially arranged from bottom to top; the water-permeable blind ditch is characterized in that a horizontal water-guiding blind ditch is arranged in the isolation layer, a water collecting tank is arranged in the horizontal water-guiding blind ditch, a water filtering layer is arranged between the water collecting tank and the horizontal water-guiding blind ditch, and a plurality of water-permeable holes are formed in the water collecting tank. The utility model has the advantages of simple structure and reasonable design, reconstructed the soil environment that trees were planted through set up planting technique soil in former soil horizon, planting technique soil includes by supreme laying in proper order in planting inslot isolation layer, the guarantor's water layer in lower part, ventilative layer and the guarantor's water layer in upper portion down, adopts different levels, and multi-functional soil improves former soil horizon, effectively improves the survival rate of trees.

Description

Greening planting soil improvement structure

Technical Field

The utility model belongs to the technical field of soil improvement, concretely relates to planting technique soil improvement structure.

Background

In recent years, with the continuous improvement of living standard of people, the demand of landscape is continuously increased, and a large amount of greening plants in gardens can create a healthy, comfortable, safe and natural ecological virtuous cycle living environment with long-term development potential. The soil is used as a medium for plant growth, the plant growth can not be separated, the soil quality determines the plant growth condition, the water retention capacity of the soil is improved, the water retention property and the soil structure of the soil can be improved, the rainfall infiltration rate can be improved, the loss of soil water and nutrients is reduced, and the efficient utilization of rainfall and irrigation water is finally promoted, so that the reasonable improvement of degraded or polluted soil has important practical significance and long-term significance for ecological construction and sustainable development of regional social economy. In large-scale public green land engineering, the problem of rapidly planting full-crown trees in a compacted soil layer needs to be solved in a tree planting hole water and air balance construction technology, the survival rate of tree planting in the existing urban greening is low due to adverse factors such as soil hardening and high impurity content, the environment required for the root system of the arbor to recover to grow needs to be improved urgently, and the survival rate of the arbor is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, provide a planting technique soil improvement structure, its simple structure, reasonable in design, reconstructed the soil environment that trees were planted through setting up planting technique soil in former soil horizon, planting technique soil includes by supreme laying in proper order at the isolation layer of planting the inslot, the guarantor's water layer of lower part, ventilative layer and the guarantor's water layer of upper portion, adopts different levels, and multi-functional soil improves former soil horizon, effectively improves the survival rate of trees.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a planting technique soil improvement structure which characterized in that: the greening planting soil is arranged in an original soil layer and used for planting trees, a waterproof layer is arranged between the greening planting soil and the original soil layer, and the greening planting soil comprises an isolation layer, a lower water-retaining layer, a breathable layer and an upper water-retaining layer which are sequentially arranged from bottom to top;

a horizontal water guiding blind ditch is arranged in the isolation layer, a water collecting tank is arranged in the horizontal water guiding blind ditch, a water filtering layer is arranged between the outer side wall of the water collecting tank and the inner side wall of the horizontal water guiding blind ditch, and a plurality of water permeable holes for water to flow into the water collecting tank are formed in the water collecting tank;

the water retaining layer of lower part is provided with the cotton sliver that absorbs water, the tip that the cotton sliver that absorbs water kept away from the water retaining layer of lower part stretches into to the header tank in through the hole of permeating water.

Foretell planting technique soil improvement structure, its characterized in that: the waterproof layer comprises two layers of composite geotextile and bentonite filled between the two layers of composite geotextile.

Foretell planting technique soil improvement structure, its characterized in that: the top of isolation layer is convex, the isolation layer is laid by clay and is formed.

Foretell planting technique soil improvement structure, its characterized in that: the structure on water layer and the water layer of guarantor of upper portion is the same in the water layer of lower part, water layer and the water layer of upper portion of protecting of lower part are laid by black soil and are formed.

Foretell planting technique soil improvement structure, its characterized in that: the breathable layer is formed by laying sandy soil after composting, a plurality of breathable pipes are arranged in the breathable layer along the circumferential direction of trees, and the end parts, far away from the breathable layer, of the breathable pipes extend out of the upper water retention layer.

Foretell planting technique soil improvement structure, its characterized in that: the water filtering layer is formed by paving broken stones.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a set up planting technique soil in former soil horizon and reconstructed the soil environment that trees were planted, planting technique soil includes by supreme laying in proper order down at the interior isolation layer of planting the inslot, the guarantor's water layer of lower part, ventilative layer and the guarantor's water layer of upper portion, adopts different levels, and multi-functional soil improves former soil horizon, effectively improves the survival rate of trees.

2. The utility model discloses a set up isolation layer and waterproof layer and avoid the guarantor's water layer in lower part, ventilative layer, the intraformational moisture of upper portion guarantor to former soil layer, strengthen the water retention capacity of planting technique soil, simultaneously, can prevent the fertile loss in guarantor's water layer, ventilative layer, the guarantor's water layer of lower part through setting up isolation layer and waterproof layer, and then make trees need not prick the root deeply just can absorb the moisture of capacity and supply its growth, improve the survival rate of trees.

3. The utility model discloses be provided with the guarantor's water layer in lower part and guarantor's water layer in upper portion, guarantor's water layer in lower part and the guarantor's water layer in upper portion all adopt the black soil to lay and form, and the black soil fertility is high, can provide sufficient fertilizer for the growth of trees, is fit for vegetation.

4. The utility model discloses be provided with ventilative layer, ventilative layer adopts desertification soil to lay and forms, and desertification soil inter-particle interaction force is less, and the texture is loose, and soil permeability is good, and the hole is big, and capillary action is weak, and the root system of the trees of being convenient for breathes, promotes the fibrous root of trees and sprouts.

5. The utility model discloses be provided with absorbent cotton sliver and header tank, the intraformational moisture of guarantor's water of next part is very many, when trees have been unable to completely absorb, unnecessary moisture partly sees through absorbent cotton sliver and passes through to the header tank in from the guarantor's water layer of lower part, another part flows into the isolation layer under the action of gravity, and collect isolation intraformational moisture through isolation intraformational horizontal water guide blind ditch and drainage layer, the water after the drainage layer filters gets into the storage in the header tank through the hole of permeating water, when the intraformational moisture of next part guarantor is not enough, water in the header tank can see through absorbent cotton sliver and pass through to the guarantor's water layer of lower part in the header tank, provide the required moisture of growth for trees.

To summer up, the utility model has the advantages of simple structure and reasonable design, reconstructed the soil environment that trees were planted through set up planting technique soil in former soil horizon, planting technique soil includes by supreme laying in proper order in planting inslot's isolation layer, the guarantor's water layer of lower part, ventilative layer and the guarantor's water layer in upper portion down, adopts different levels, and multi-functional soil improves former soil horizon, effectively improves the survival rate of trees.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

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

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of fig. 1 at B.

Description of reference numerals:

1-original soil layer; 2, trees; 3, an isolating layer;

4-lower water-retaining layer; 5, a breathable layer; 6-upper water-retaining layer;

7-horizontal water guiding blind drain; 8, a water collecting tank; 9-a water filtering layer;

10-water permeable holes; 11-absorbent tampon; 12-composite geotextile;

13-bentonite; 14-gas permeable tube.

Detailed Description

As shown in fig. 1 to 3, the utility model comprises a planting soil which is arranged in an original soil layer 1 and used for planting trees 2, a waterproof layer is arranged between the planting soil and the original soil layer 1, and the planting soil comprises an isolation layer 3, a lower water-retaining layer 4, a breathable layer 5 and an upper water-retaining layer 6 which are arranged from bottom to top in sequence;

a horizontal water guiding blind ditch 7 is arranged in the isolation layer 3, a water collecting tank 8 is arranged in the horizontal water guiding blind ditch 7, a water filtering layer 9 is arranged between the outer side wall of the water collecting tank 8 and the inner side wall of the horizontal water guiding blind ditch 7, and a plurality of water permeable holes 10 for water to flow into the water collecting tank 8 are formed in the water collecting tank 8;

be provided with absorbent cotton sliver 11 in the guarantor's water layer 4 in the lower part, absorbent cotton sliver 11 keeps away from the tip of guarantor's water layer 4 in the lower part and stretches into to the header tank 8 in through hole 10 of permeating water.

In this embodiment, it should be noted that a planting groove for laying the planting soil is excavated in the original soil layer 1, and the upper surface of the planting soil is flush with the upper surface of the original soil layer 1; the soil environment planted by the trees 2 is reconstructed by arranging the greening planting soil in the original soil layer 1, the greening planting soil comprises an isolation layer 3, a lower water retaining layer 4, a breathable layer 5 and an upper water retaining layer 6 which are sequentially arranged in the planting groove from bottom to top, the original soil layer 1 is improved by adopting different levels and multifunctional soil, and the survival rate of the trees 2 is effectively improved; the air permeable layer 5 is formed by laying desertification soil, the interaction force among desertification soil particles is small, the texture is loose, the soil permeability is good, the pores are large, the capillary action is weak, the root system of the tree 2 can breathe conveniently, and the fibrous root germination of the tree 2 is promoted; the lower water-retaining layer 4 and the upper water-retaining layer 6 are both formed by laying black soil, the black soil has high fertility, and sufficient fertilizer can be provided for the growth of the trees 2, so that the water-retaining agent is suitable for the growth of plants; the isolation layer 3 is laid by clay, the isolation layer 3 and the waterproof layer are arranged to prevent water in the lower water-retaining layer 4, the breathable layer 5 and the upper water-retaining layer 6 from flowing to the original soil layer 1, so that the water-retaining capacity of the planting soil is enhanced, meanwhile, the isolation layer 3 and the waterproof layer are arranged to prevent fertilizer loss in the lower water-retaining layer 4, the breathable layer 5 and the upper water-retaining layer 6, so that the trees 2 can absorb sufficient water to grow without deep rooting, and the survival rate of the trees 2 is improved; one end of the absorbent cotton strip 11 is located in the lower water-retaining layer 4, the other end of the absorbent cotton strip 11 is located in the water collecting tank 8, the moisture in the lower water-retaining layer 4 is very much, when the tree 2 can not be completely absorbed, one part of redundant moisture permeates the absorbent cotton strip 11 and passes through from the lower water-retaining layer 4 to the water collecting tank 8, the other part flows into the isolation layer 3 under the action of gravity, and collect the moisture in the isolation layer 3 through the horizontal water guide blind ditch 7 and the water filtering layer 9 in the isolation layer 3, the filtered water of the water filtering layer 9 enters the water collecting tank 8 through the water permeable holes 10 and is stored, when the moisture in the lower water-retaining layer 4 is insufficient, the water in the water collecting tank 8 can permeate the absorbent cotton strip 11 and pass through from the water collecting tank 8 to the water-retaining layer 4 in the lower part, the moisture required for the tree 2 to grow.

As shown in fig. 1 and 3, in this embodiment, in actual use, the horizontal water guiding blind ditch 7 is located in the center of the isolation layer 3 and is arranged close to the upper water retention layer 6; the water collecting tank 8 is preferably a rectangular water collecting tank, the bottom of the water collecting tank 8 is in contact with the horizontal water guiding blind ditch 7, the water filtering layer 9 is positioned at the top and the peripheral side of the water collecting tank 8, and the plurality of water permeable holes 10 are respectively positioned at the upper parts of the top plate and the side plate of the water collecting tank 8, so that collected redundant water can be conveniently stored in the water collecting tank 8.

As shown in fig. 2, in this embodiment, the waterproof layer includes two layers of composite geotextiles 12 and bentonite 13 filled between the two layers of composite geotextiles 12.

In this embodiment, in actual use, the composite geotextile 12 is made by needle punching, the bentonite 13 is preferably sodium bentonite with high expansibility, the composite geotextile 12 made by needle punching can form a plurality of small fiber spaces, when water flows through the waterproof quilt, bentonite particles between two layers of the composite geotextile 12 flow around, a high-density glue waterproof layer is formed between two layers of the composite geotextile 12, so that water in the planting soil is prevented from flowing to the original soil layer 1 around the planting soil, and the water retention capacity of the planting soil is enhanced.

As shown in fig. 1, in the embodiment, the top of the isolation layer 3 is arc-shaped, and the isolation layer 3 is formed by paving clay.

In this embodiment, it should be noted that, the fine particle content in the clay is many, the internal friction coefficient of clay is little and the cohesion is big, the water permeability is little and the water-absorbing capacity is strong, the clay can keep moisture for a long time after soaking, difficult volatility, therefore, adopt the clay to lay into isolation layer 3, the top of isolation layer 3 is arc, the top is arc isolation layer 3 and can make the moisture of the guarantor's layer 4 of protecting in the lower part keep more moisture, and simultaneously, the top is arc isolation layer 3 and has increased the area of contact of the moisture of the guarantor's layer 4 and isolation layer 3 in the lower part, when moisture was too much in the moisture of the guarantor's layer 4 in the lower part, the speed of moisture infiltration to in the isolation layer 3 in the moisture of the lower part has effectively been accelerated.

In this embodiment, the structure of the water retention layer 4 in the lower part and the water retention layer 6 in the upper part are the same, and the water retention layer 4 in the lower part and the water retention layer 6 in the upper part are laid by black soil to form.

In this embodiment, the air-permeable layer 5 is formed by laying sandy soil after composting, a plurality of air-permeable tubes 14 are arranged in the air-permeable layer 5 along the circumferential direction of the trees 2, and the end parts of the air-permeable tubes 14 far away from the air-permeable layer 5 extend out of the upper water retention layer 6.

As shown in fig. 1, in this embodiment, the plurality of air permeable tubes 14 are arranged around the root system of the tree 2 to improve the porosity and air permeability of the desertified soil of the air permeable layer 5 near the root system, so as to provide sufficient air for the growth of the tree, help the root system of the tree 2 to breathe, promote the germination of fibrous roots, and further improve the survival rate of the tree 2.

In this embodiment, the water filtering layer 9 is formed by laying crushed stones.

In this embodiment, the water filtering layer 9 is a gravel layer, and the gravel is regenerated stones, so that the gravel layer is convenient to recycle and the cost is reduced; collect the unnecessary moisture in the isolation layer 3 through setting up water filtering layer 9 cooperation header tank 8 to prevent 2 mashed roots of trees, improve the moisture environment in the root system soil of trees 2.

When the utility model is used, the lower water-retaining layer 4, the air-permeable layer 5 and the upper water-retaining layer 6 provide a proper growing environment for the tree 2, the air-permeable layer 5 has good soil permeability, large pores and weak capillary action, so that the root system of the tree 2 can breathe conveniently, and the germination of the fibrous roots of the tree 2 is promoted; the lower water-retaining layer 4 and the upper water-retaining layer 6 have high fertility, provide enough fertilizer for the growth of the trees 2 and are suitable for the growth of plants; the isolation layer 3 and the waterproof layer separate the planting green soil from the original soil layer 1, so that water in the lower water-retaining layer 4, the breathable layer 5 and the upper water-retaining layer 6 is prevented from flowing to the original soil layer 1, the water-retaining capacity of the planting green soil is enhanced, meanwhile, the isolation layer 3 and the waterproof layer can prevent fertilizer loss in the lower water-retaining layer 4, the breathable layer 5 and the upper water-retaining layer 6, and further, the trees 2 can absorb sufficient water to grow without deep root pricking, so that the survival rate of the trees 2 is improved; moisture in the guarantor's water layer 4 is very much when the lower part, when trees 2 have been unable to be absorbed completely, unnecessary moisture partly sees through water absorption silver 11 and passes through to the header tank 8 from the guarantor's water layer 4 in the lower part, another part flows into in isolation layer 3 under the action of gravity, and collect the moisture in the isolation layer 3 through horizontal water guide blind ditch 7 and drainage layer 9 in the isolation layer 3, the water after drainage layer 9 filters gets into the storage in the header tank 8 through the hole 10 that permeates water, when moisture is not enough in the guarantor's water layer 4 in the lower part, water in the header tank 8 can see through water absorption silver 11 and pass through to pass through in the water tank 8 and pass through to the guarantor's water layer 4 in the lower part, provide the required moisture of growth for trees 2. The utility model has the advantages of simple structure and reasonable design, reconstructed the soil environment that trees were planted through set up planting technique soil in former soil horizon, planting technique soil includes by supreme laying in proper order in planting inslot isolation layer, the guarantor's water layer in lower part, ventilative layer and the guarantor's water layer in upper portion down, adopts different levels, and multi-functional soil improves former soil horizon, effectively improves the survival rate of trees.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses in technical scheme's the protection scope.

Claims (6)

1. The utility model provides a planting technique soil improvement structure which characterized in that: the planting method comprises the steps of arranging greening planting soil which is used for planting trees (2) and is arranged in an original soil layer (1), wherein a waterproof layer is arranged between the greening planting soil and the original soil layer (1), and the greening planting soil comprises an isolation layer (3), a lower water-retaining layer (4), a breathable layer (5) and an upper water-retaining layer (6) which are sequentially arranged from bottom to top;

a horizontal water guiding blind ditch (7) is arranged in the isolation layer (3), a water collecting tank (8) is arranged in the horizontal water guiding blind ditch (7), a water filtering layer (9) is arranged between the outer side wall of the water collecting tank (8) and the inner side wall of the horizontal water guiding blind ditch (7), and a plurality of water permeable holes (10) for water to flow into the water collecting tank (8) are formed in the water collecting tank (8);

be provided with water absorption silver (11) in the guarantor's water layer (4) of lower part, water absorption silver (11) keep away from the tip of guarantor's water layer (4) of lower part and stretch into in header tank (8) through hole (10) of permeating water.

2. A soil improvement structure for greening planting according to claim 1, wherein: the waterproof layer comprises two layers of composite geotextile (12) and bentonite (13) filled between the two layers of composite geotextile (12).

3. A soil improvement structure for greening planting according to claim 1, wherein: the top of isolation layer (3) is arc, isolation layer (3) are laid by clay and are formed.

4. A soil improvement structure for greening planting according to claim 1, wherein: the structure of guarantor's water layer (4) and the guarantor's water layer (6) on upper portion is the same in the water layer (4) of protecting of lower part and protects guarantor's water layer (6) on upper portion and lay by black soil and form.

5. A soil improvement structure for greening planting according to claim 1, wherein: the permeable layer (5) is formed by laying sandy soil after composting, a plurality of permeable pipes (14) are arranged in the permeable layer (5) along the circumferential direction of the trees (2), and the end parts, far away from the permeable layer (5), of the permeable pipes (14) extend out of the upper water retention layer (6).

6. A soil improvement structure for greening planting according to claim 1, wherein: the water filtering layer (9) is formed by paving broken stones.

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