CN201003160Y - Sand-pressing sand-prevention ecological environment protection net rack system - Google Patents

Abstract

A sand pressing and anti-sand ecological environment protection grid system solves the time-consuming and labor-intensive problems of using forests to prevent sand in desert control. Instead, it adopts the technology of sand control, including: laying a layer of sand A sand brick layer composed of porous sand bricks; many concrete foundations are buried deep in the sand layer; many pile foundation steel bars are vertically interspersed through the sand brick layer and connected with each concrete foundation, and each pile foundation steel rod The surface of the sand brick layer is exposed; a multi-level three-dimensional grid system composed of many steel bars cross-connected and steel wire mesh is set on many pile foundation steel bars, and the thickness of the bottom is greater than that of the top; The main water pipe is equipped with many branch water pipes, each branch water pipe passes through the sand brick layer, and a water nozzle is placed on the top; a layer of plastic film is laid one meter below the sand layer as a water-saving and anti-seepage protective lining membrane. The utility model can really prevent and control sand, can effectively control and reduce the phenomenon of soil desertification, and the technology is easy to popularize and use.

Description

Sand pressing and sand prevention ecological environment protection grid system

technical field

The utility model relates to a technology of desert control, in particular to a kind of porous sand bricks made of sand pressed on the sandy soil layer, and a steel net frame is built on the sand bricks, and a protective forest belt is planted on the net frame. And a kind of sand pressing and sand prevention ecological environment protection grid system for sand control by installing water pipes.

Background technique

At present, desert control adopts planting trees at the source of sandstorm in the desert, but the implementation of this sand control technology is not satisfactory. This is because the small saplings will grow into a forest, and the gap between each sapling needs to be reserved for 1 in the early planting. -2m ² , and it takes 3-5 years for a small sapling to grow into a forest. During this growth period, due to the large sandstorm at the source and mouth of the desert, there are often 5-11 level sandstorms. Survive the blow of this kind of dust storm, the survival rate is very low. In addition, due to the lack of rainfall in desert areas, the survival rate of saplings and small trees is lower.

The above-mentioned desert control adopts planting trees, and the technology of using forests to prevent sand is time-consuming and labor-intensive. It is difficult for trees to form a protective forest that really plays a role in sand prevention, and it is difficult to resist the blow of sandstorms, that is, the effect of sand prevention is not ideal, so it is not easy to promote use.

Utility model content

The purpose of this utility model is in order to solve the above-mentioned problems, provide a kind of porous sand brick made of sand on the sandy soil layer and press it on the sandy soil, and build a steel network frame on the sandy brick, plant shelterbelts and The utility model relates to a sand-pressing and sand-prevention ecological environment protection grid system for sand control and sand control by installing water pipes.

The purpose of this utility model is achieved in that:

A sand pressing and sand prevention ecological environment protection grid system is characterized in that it includes:

A sand brick layer consisting of many sand bricks is laid above the sand layer, and each sand brick is a porous sand brick made of sand, water, cement and its binder;

Many concrete bases are buried deep in the sandy soil layer below the sand brick layer, and the multiple concrete bases are arranged in at least one row extending laterally;

a plurality of vertical pile foundation steel bars vertically interspersed through the sand brick layer and placed underground in the sand soil layer and respectively connected to each of the concrete foundations, each of the pile foundation steel bars exposes the sand brick layer surface;

A network frame system is arranged above the plurality of pile foundation steel bars, and the network frame system is a multi-level three-dimensional structure composed of a plurality of steel bars cross-connected and steel wire meshes connected with the plurality of steel bars. Type network frame, the bottom thickness of the network frame system needs to be greater than the top thickness, forming a trapezoidal structure;

A main water pipe is laid in the sand layer between the sand brick layer and the plurality of concrete bases, and a plurality of branch water pipes are arranged on the main water pipe, and each branch water pipe passes through the porous sand brick A hole passes through the sand brick layer, and a water nozzle is arranged at the top of each branch water pipe.

Pave a layer of plastic film one meter below the surface of the sandy soil layer as a water-saving and seepage-proof protective lining film.

Plants are grown in each hole of the porous sand bricks.

The concrete base is made by pouring concrete after spot welding with steel wires.

The steel bars for the pile foundation and the numerous steel bars that make up the grid system are made of angle steel.

Steel buckles are used for the connection between the steel bars of the pile foundation and the grid system, the connections between the numerous steel bars that make up the grid system, and the connections between the steel wire mesh and the multiple steel bars. Connecting pieces or bolted or riveted or welded.

The network frame system is a multi-level three-dimensional network frame composed of a plurality of steel bars cross-connected and steel wire mesh connected with the plurality of steel bars, which means that it is respectively connected with each of the pile foundation steel bars The plurality of vertical steel bars, the plurality of horizontal steel bars connected with the plurality of vertical steel bars, the plurality of oblique steel bars connected with the plurality of vertical steel bars and the plurality of horizontal steel bars, and A multi-level three-dimensional network frame composed of steel wire meshes connected with the plurality of vertical steel bars and the plurality of horizontal steel bars.

Effect of the present utility model:

Adopting the technology of the sand pressing and sand prevention ecological environment protection grid system of the utility model can effectively control and reduce the phenomenon of soil desertification, and the grid system of the utility model can form a protective wall that really plays the role of sand prevention and sand control to resist The impact of dust storm, sand prevention, sand control effect is ideal, easy to popularize and use.

If the network frame system of the present utility model is used as an engineering wall for enclosing land protection in desert areas, it will effectively promote the economic development of all walks of life in the local area in conjunction with the governance work, so that local ecological resources can be effectively utilized and protected, such as forestry, Industries such as agriculture, water conservancy, grassland, animal husbandry, aquaculture, tourism, mining, roads, transportation, power generation, and geology will all benefit from this.

In order to further illustrate the above purpose, structural features and effects of the present utility model, the utility model will be described in detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the front sectional view of the embodiment of the sand pressing and sand prevention ecological environment protection grid system structure of the utility model;

Fig. 2 is the top view of the embodiment of Fig. 1 grid system structure;

Fig. 3 is a side sectional view of vines planted on the grid system of Fig. 1 .

Detailed ways

The specific implementation of the sand pressing and sand prevention ecological environment protection grid system of the present invention will be described in detail below in conjunction with the accompanying drawings.

Referring to Figs. 1-3, Fig. 1 is a front sectional view of an embodiment of the sand pressing and sand prevention ecological environment protection grid system structure of the present invention, Fig. 2 is a top view of an embodiment of the grid system structure of Fig. 1, and Fig. The side sectional view of the vines planted on the grid system of Fig. 1.

As shown in Figure 1, the structure of the sand pressing and sand prevention ecological environment protection grid system of the present invention includes the following components.

In the utility model, a layer of sand brick layer 11 composed of many sand bricks is laid on the top of the sand layer 10. The sand brick layer 11 plays the role of suppressing the flying sand in the sand layer 10. Each sand brick is made of The sand in the sand layer 10 is used as the main material, and a porous sand brick is made by mixing a certain amount of cement and its binder with a certain amount of water. sand purpose. Plants (vine plants as shown in Figure 3) can be planted in each hole of the porous sand brick. The size of each sand brick of the present embodiment is 200cm * 200cm.

Many concrete bases 20 are buried deep in the sandy soil layer 10 below the sand brick layer 11, and the multiple concrete bases 20 are arranged in at least one row extending laterally (as shown in Figure 3 in this embodiment, there are a total of 3 rows), the depth of embedding the concrete foundation 20 should be appropriate to the ground. In this embodiment, the distance between each two adjacent concrete foundations 20 is 800cm, and each concrete foundation is paved with 50mm steel wire after spot welding It is formed by casting concrete, and the size of each concrete base 20 in this embodiment is roughly 45cm×45cm×200cm.

The utility model also includes a plurality of vertical pile foundation steel bars 30 vertically interspersed through the sand brick layer 11 and placed underground in the sandy soil layer 10 and respectively connected with each concrete foundation 20, and each pile foundation steel strip 30 is exposed On the surface of the sand brick layer 11, each of the above-mentioned pile foundation steel bars 30 is vertically inserted underground in the sandy soil layer 10 and connected with a concrete foundation 20, so that a solid foundation similar to building concrete is formed. In this embodiment, the pile foundation steel bars 30 adopts angle steel.

The utility model also includes that a grid system 40 is arranged on the plurality of pile foundation steel bars 30 . Also referring to Fig. 1, 2, shown in 3, this grid system 40 is to be made up of many steel bars 41,42,43 cross connection and the steel wire mesh 44 that is connected with many steel bars 41,42,43 Hierarchical three-dimensional grid frame (in this embodiment, there are 10 layers in the height direction and 2 layers in the thickness direction, so there are 3 rows of concrete foundations 20 in the thickness direction), in order to make the grid system 40 more resistant to the impact of sandstorms , the thickness of the bottom must be greater than the thickness of the top, forming a firm inverted trumpet trapezoidal structure, improving the support strength of the grid system 40, and making its bearing capacity the maximum. In this embodiment, the bottom thickness of the grid system 40 is twice the top thickness. In the present embodiment, the height of each layer in the height direction of the grid system 40 is 1000cm; the bottom of the layer thickness in the thickness direction is 2000cm, and then gradually decreases as the layers in the height direction increase until the layer thickness in the thickness direction of the highest layer is 1000cm .

The connection between the pile foundation steel bar 30 and the network frame system 40 and the connection between the numerous steel bars 41, 42, 43 forming the grid system 40, the steel wire mesh 44 and the numerous steel bars 41, 42, 43 The connections are all connected by steel buckle connectors or bolted or riveted or welded.

The network frame system 40 is a multi-level three-dimensional network frame composed of many steel bars 41, 42, 43 cross-connected and steel wire mesh 44 connected with many steel bars 41, 42, 43. Refers to the numerous vertical steel bars 41 connected to each of the pile foundation steel bars 30, the numerous horizontal steel bars 42 connected to the numerous vertical steel bars 41, the numerous vertical steel bars 41 and A multi-level three-dimensional network frame 40 composed of a plurality of oblique steel bars 43 connected by a plurality of horizontal steel bars 42 , and a steel wire mesh 44 connected with a plurality of vertical steel bars 41 and a plurality of horizontal steel bars 42 .

In this embodiment, the vertical steel bar 41, the horizontal steel bar 42, and the oblique steel bar 43 all adopt angle steel.

The connection between the above-mentioned pile foundation steel bar 30 and the grid system 40, the connection of the vertical steel bar 41 and the horizontal steel bar 42, the connection of the oblique steel bar 43 and the vertical steel bar 41 and the horizontal steel bar 42 and the steel wire mesh 44 is connected with the vertical steel bar 41 and the horizontal steel bar 42 to adopt steel buckle connectors to connect or bolted or riveted or welded.

The utility model also includes laying a main water pipe 50 in the sand layer 10 between the sand brick layer 11 and a plurality of concrete bases 20, and a plurality of branch water pipes 51 are arranged on the main water pipe 50, and each branch water pipe 51 passes through A hole of the porous sand brick passes through the sand brick layer 11, and a water nozzle is arranged at the top of each branch water pipe 51 to serve as a water supply source for the vines 60 planted in the hole of the porous sand brick.

In addition, a layer of plastic film 70 is laid one meter below the surface of the sandy soil layer 10 as a water-saving and anti-seepage protective lining film, and is used as the main component of the aquifer of the sandy soil layer 10 to prevent the moisture content of the sandy soil layer 10 runoff, and maintain the material content of the soil. After the plastic film 70 is used to form the water storage layer below the sandy soil layer 10, after using the water nozzle at the top of each branch water pipe 51 to carry out drip irrigation and sprinkler irrigation and water-saving methods, the sandy soil of the sandy soil layer 10 can keep moist water. Even if the root growth and development part of the plant 60 is kept moist at one meter below the surface of the sandy soil layer 10, the plant 60 can survive even in desertification or desert dry, arid climate conditions.

The structure and functions of the sand pressing and sand prevention ecological environment protection grid system of the present invention will be further described below.

During construction, the above-mentioned concrete base 20 can be embedded first, then pile foundation steel bars 30 are set in each concrete base 20, then the main water pipe 50 is laid, and many branch water pipes 51 are set on the main water pipe 50, and then the sand The holes in the porous sand bricks of the brick layer 11 pass through the pile foundation steel bars 30 and the branch water pipes 51 respectively, so that every piece of sand bricks is pressed on the sandy soil layer 10 more firmly. Then the seeds of the vines 60 are sowed successively at the porous parts of the sand bricks close to the vertical steel bars 41, so that the vines 60 can climb along the vertical steel bars 41 and rise.

The outer side of the grid system 40 can be completely surrounded by the steel wire mesh 44, and the vines 60 are used to climb and the vines covered with leaves are used to climb to the steel protective grid to form a sand-pressing and sand-proof best green protection Great Wall.

The grid system 40 should be used together with the sand bricks (i.e. porous sand bricks made of sand) when used in desertification or desert area transformation and management, and become an ecological environment composed of special sand-pressing and sand-proof grids. Protection System. The overall design of the height, width and depth of the grid protection system, and the design of the size of the steel bar material unit components should be designed and determined according to the local meteorological wind force series, the soil quality and the strength that the steel grid can withstand. .

Adopting the sand pressing and sand prevention ecological environment protection grid system of the utility model is convenient for the planting and protection growth of vines and fast-growing plants in desert areas, and the utility model also solves the problem of water shortage in desertification areas. The sand bricks of the utility model are used to be pressed on the sand, so that the sand dust in the desertification area will not fly up.

The sand-pressing and sand-preventing ecological environment protection grid system of the utility model uses steel grids to plant vines and other psammophytes in desertification areas as protective forest nets and forest belts for sand-pressing and sand-prevention, which shortens the time spent on afforestation and sand-prevention in the past. The growth period (3-5 years) reduces the consumption of water resources and various resources, and greatly changes the original and backward afforestation method in the past because there was no three-dimensional protective grid planting tree with a very low survival rate.

The grid system 40 can be flexibly designed into a variety of shapes, and can be designed as a single protective grid or a conjoined enclosure according to the background of the local city outline. The one-piece enclosure grids are square, rectangular, hexagonal, circular, oval, pentagonal, triangular and polygonal. The shape of the fence is designed, and the edge of the fence is made into an arc, which can effectively disperse the wind.

The protective forest belt formed by planting vines on the steel keel grid can also be surrounded by green walls of various shapes to form a conjoined protective forest network, in which various psammophytes suitable for local climate conditions can be planted, such as : Sansevieria, Leymus chinensis, scallion, Populus euphratica, Elaeagnus sativa, Satawang, Apocynum, licorice, Alpine grass and other plants. In order to expand the area of protected forest belts, various shapes of botanical garden protection areas formed by various plants and trees can be formed, which greatly optimizes and changes the previous operation process of using forests to prevent sand, thereby reducing the project cost of planting trees for forests to prevent sand in the past, and reducing energy consumption. Consumption, create economic benefits.

Adopting the technology of the sand pressing and sand prevention ecological environment protection grid system of the utility model can effectively control and reduce the phenomenon of soil desertification, and the grid system of the utility model can form a protective wall that really plays the role of sand prevention and sand control to resist The impact of dust storm, sand prevention, sand control effect is ideal, easy to popularize and use.

Because the sand brick layer on the sandy soil layer has the function of environmental protection and ecological water permeability (the upper half layer is mainly made of yellow sand, and the lower half layer is mainly made of cement), so that the sand brick layer has the effect of absorbing water and heat, and can be quickly transformed from The upper half of the sand brick layer accumulates, stores, absorbs and transfers to the lower half of the sand brick layer, and can effectively convert it into energy that cultivates and activates the transformation of sand and soil in the aquifer to the restoration of the soil ecosystem.

Due to the permeability of the sand brick layer, and the functions of easy water absorption, water seepage, heat absorption, ventilation, and ventilation, the situation that the sand layer has good permeability, fast heat conduction, but poor water storage and water storage insulation performance has been changed. And it can work together with the water-saving and anti-seepage protective lining film composed of plastic film to constitute the necessary defense function system devices such as water storage, water storage, energy conversion, and metabolism for the improvement and management of sandy soil in desertified areas.

The plants planted in the utility model can effectively control water and soil loss in this system device, can weaken the temperature difference between day and night of the surface soil in desertified areas, realize the stability of the surface base, thereby effectively maintaining a certain amount of material content and heat in the aquifer, and It can make the energy flow in the surface ecosystem follow the three laws of thermodynamics (that is, energy conservation, indestructibility, and transfer of matter), so that heat can be transformed into an important component of soil fertility and become water, fertilizer, and air for plant growth. , The main capacity index of heat is the synthetic factor.

Due to the combined effect of sand bricks and water-saving and anti-seepage protective lining film, they jointly prevent the leakage and migration mechanism of water in sandy soil, and also eliminate the evaporation of water from plants and crops and from the ground possibility. It can effectively reduce the temperature of the surrounding environment of the surface ecosystem, improve the water storage capacity of sandy soil, reduce water loss and evaporation, and quickly transfer water and energy to the aquifer, improve the living environment of plants, and regulate the surface planting layer. temperature, enhance the internal water circulation of the root system of the aquifer and the energy conversion capacity of the thermal system, enhance the physical and chemical properties of the soil, and promote the synthesis of factors for rapid plant growth, so that the aquifer can effectively promote and maintain the nutritional fertility of the soil, so that plants The root system of the plant can be cultivated in a safe, healthy, comfortable and stable way like soaking in a warm, humid and nutrient-rich greenhouse, so that the plants can grow rapidly and vigorously even under the strong sunlight of desertification and desert areas in Northwest China.

After the protection and treatment of the above defense function system devices, the restoration of the self-organizing ability of the desertified land ecosystem can be designed to establish reasonable ecological components, such as species richness and multi-degree (mild, moderate, severe, extreme) structure ( The vertical structure of vegetation and soil), pattern (spatial arrangement of ecosystem components), function (such as: good performance of basic ecological processes such as energy and material flow) can be reconstructed, so that the ecological environment system of sandy land can achieve a virtuous cycle and realize restoration reconstruction.

If the network frame system of the present utility model is used as an engineering wall for enclosing land protection in desert areas, it will effectively promote the economic development of all walks of life in the local area in conjunction with the governance work, so that local ecological resources can be effectively utilized and protected, such as forestry, Industries such as agriculture, water conservancy, grassland, animal husbandry, aquaculture, tourism, mining, roads, transportation, power generation, and geology will all benefit from this.

The comprehensive promotion and use of desertified soils nationwide, restoration and reconstruction of grassland, farmland, forestry, etc., to achieve comprehensive management, comprehensive and effective improvement and containment of desertification and degraded grasslands, has become an effective way and method for my country to create a new ideal rural model in the current period.

Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above-mentioned The changes and modifications of the embodiments will fall within the scope of the claims of the present utility model.

Claims (6)

1. A sand pressing and sand prevention ecological environment protection grid system, characterized in that it includes: A sand brick layer consisting of many sand bricks is laid above the sand layer, and each sand brick is a porous sand brick made of sand, water, cement and its binder; Many concrete bases are buried deep in the sandy soil layer below the sand brick layer, and the multiple concrete bases are arranged in at least one row extending laterally; a plurality of vertical pile foundation steel bars vertically interspersed through the sand brick layer and placed underground in the sand soil layer and respectively connected to each of the concrete foundations, each of the pile foundation steel bars exposes the sand brick layer surface; A network frame system is arranged above the plurality of pile foundation steel bars, and the network frame system is a multi-level three-dimensional structure composed of a plurality of steel bars cross-connected and steel wire meshes connected with the plurality of steel bars. Type network frame, the bottom thickness of the network frame system needs to be greater than the top thickness, forming a trapezoidal structure; A main water pipe is laid in the sand layer between the sand brick layer and the plurality of concrete bases, and a plurality of branch water pipes are arranged on the main water pipe, each of the branch water pipes passes through the porous sand A hole of the brick passes through the sand brick layer, and a water spray nozzle is arranged at the top of each branch water pipe. Pave a layer of plastic film one meter below the surface of the sandy soil layer as a water-saving and seepage-proof protective lining film. 2. The sand pressing and sand prevention ecological environment protection grid system according to claim 1, characterized in that: Plants are grown in each hole of the porous sand bricks. 3. The sand pressing and sand prevention ecological environment protection grid system according to claim 1, characterized in that: The concrete base is made by pouring concrete after spot welding with steel wires. 4. The sand pressing and sand prevention ecological environment protection grid system according to claim 1, characterized in that: The steel bars for the pile foundation and the numerous steel bars that make up the grid system are made of angle steel. 5. The sand pressing and sand prevention ecological environment protection grid system according to claim 1, characterized in that: Steel buckles are used for the connection between the steel bars of the pile foundation and the grid system, the connections between the numerous steel bars that make up the grid system, and the connections between the steel wire mesh and the multiple steel bars. Connecting pieces or bolted or riveted or welded. 6. The sand pressing and sand prevention ecological environment protection grid system according to claim 1, characterized in that: The network frame system is a multi-level three-dimensional network frame composed of a plurality of steel bars cross-connected and steel wire mesh connected with the plurality of steel bars, which means that it is respectively connected with each of the pile foundation steel bars The plurality of vertical steel bars, the plurality of horizontal steel bars connected with the plurality of vertical steel bars, the plurality of oblique steel bars connected with the plurality of vertical steel bars and the plurality of horizontal steel bars, and A multi-level three-dimensional network frame composed of steel wire meshes connected with the plurality of vertical steel bars and the plurality of horizontal steel bars.

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