CN201682827U

CN201682827U - Synthetic wind check sand control desert prevention device

Info

Publication number: CN201682827U
Application number: CN2009202610942U
Authority: CN
Inventors: 熊明宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-04
Filing date: 2009-12-04
Publication date: 2010-12-29
Anticipated expiration: 2019-12-04

Abstract

The utility model discloses a synthetic wind check sand control desert prevention device, which comprises a hollow shell and through holes, wherein the through holes are arranged on the periphery of the shell, the through holes are arranged on the upper portion of the shell, the shell is made from degradable materials, air holes are arranged in a wall body of the shell, and the wall body on the lower portion of the shell is further provided with fine perforation holes on the transverse direction. The synthetic wind check sand control desert prevention device uses a synthetic sand control method which has the advantages of plant sand control and engineering sand control and fully uses natural conditions of desert, and has the advantages that the synthetic wind check sand control desert prevention device can synthetically play the role of checking wind, controlling sand and preventing desert, is beneficial for plant growth, does not have pollution for soil, has lower cost, is easy to popularize in large range, and can go deep into desert hinterland and desert source center to carry out management.

Description

Comprehensive sand control ends unconcerned device

Technical field

The utility model relates to comprehensive sand control and ends unconcerned technical field, particularly relates to a kind of device that controlling sediment by plant and engineering sand control technology are administered the desert that fully utilizes.

Background technology

The key of desertization is that wind erosion of dry, soil and husky body flow.At present, people mainly adopt the mode of controlling sediment by plant and engineering sand control to administer the desert.

The main method of controlling sediment by plant is kind of a grass afforestation.Its main points are by forming the purpose that vegetation reaches catch blowing sand, fixes the sand to end desert.One of its shortcoming is that this method only is applicable to desert edge, has kind of the place of careless tree planting condition, can't go deep into innerland, desert and Sha Yuan center, and limitation is quite arranged.Two of its shortcoming is that the time limit of formation vegetation is longer, can't bring into play sand control at short notice and end unconcerned effect.Three of its shortcoming is that controlling sediment by plant is a kind of passive desertification control method, and often all that has been achieved is spoiled because the active of dust storm invasion and attack make that the vegetation part is flowed or blow over and cover completely by the desert, and plant can't survive.

The main method of engineering sand control is that sand-protecting barrier is set, and sand-protecting barrier comprises windbreak, windproof dike, hurricane globe, fiber quilt, mulch film, truncheon grass (as straw checkerboard barrier) etc.Its main points be utilize or (with) weaken the wind-force of near surface, reach catch blowing sand, fix the sand to end unconcerned purpose.One of its shortcoming is an often cost very high (as the material cost height, need repeat to be provided with, labour intensity is big etc.) of this method, is difficult to promote on a large scale.Two of its shortcoming is that the material that sand-protecting barrier adopts is set generally is cement, plastics, pitch etc., and the soil is polluted.Three of its shortcoming is methods such as truncheon grass, often can't improve near surface climatic environment (can not stop the evaporation of moisture, can not form microclimate etc.), and plant is difficult to survive, year in and year out ultimate failure or the like.

In general existing desertification control method, also rest on basically fix the sand and the surface of sand prevention on, also do not have a kind of effective method can disposablely reach following four purposes: 1, comprehensively to bring into play sand control and end unconcerned effect; 2, help the desert growing plant; 3, pollution-free to soil; 4, cost is low is easy to promote on a large scale.

Summary of the invention

The utility model is to overcome the defective of above-mentioned prior art, provides a kind of comprehensive sand control to end unconcerned device.

For reaching the purpose of this utility model, comprehensive sand control provided by the utility model ends unconcerned device, and it comprises a hollow housing, is arranged at this housing through hole all around, and through hole is positioned at the top of described housing; Housing bottom can seal, also can perforate (as sieve shape perforate or middle perforate), housing bottom can be elliposoidal, also can be slightly spirogyrate, also can be shape such as concave shaped.Described device is made by degradation material, is provided with pore in its wall body, also laterally is provided with tiny perforation on the wall body of lower housing portion.

Wherein, described device can be formed by any degradable material such as stalk, straw, branch leaf, rubbish or multiple degradable material mixed foaming compacting.

Be provided with fertilizer and fertilizer-keeping agent and water-loss reducer in the wall body of housing, the internal face of housing is attached with plant seed, and the inwall of described through hole lower edge housing is provided with sloping baffle.

Described housing is any of elliposoidal, spheroidal, cylindrical, conical, square column type or multi-edge column-shaped.

More excellent, described housing becomes the elliposoidal of top and bottom slyness.

The height of described housing is 10CM～300CM, and the ratio of the height of the housing diameter of a cross-section of a tree trunk 1.3 meters above the ground maximum with it is 1: 0.5～1: 5, and the wall thickness of housing is 1CM～30CM, and described through hole is arranged on the wall body of housing 1/2～3/4 height.

More excellent, the height of housing is that the ratio of the height of 20CM～140CM, the housing diameter of a cross-section of a tree trunk 1.3 meters above the ground maximum with it is 1: 0.6～1: 3, described through hole is asymmetrical to be arranged at around the housing wall body.

The advantage of comprehensive controlling sediment by plant of the utility model and engineering sand control, the wall body of a kind of hollow that employing is pollution-free to soil and can make for the material that natural environment degraded absorbs is provided with the device of through hole, with engineering measure this device is arranged at the desert near surface, make full use of desert natural conditions (wind-force, drift sand, day and night temperature etc.), make this device form the microclimate environment of countless suitable growth and development of plants at the desert near surface, promote plant growing and natural, ecological to recover, finally reach sand control and end unconcerned effect.

The utility model has been broken through existing desertification control method and has been rested on and fix the sand and the lip-deep limitation of sand prevention, has can comprehensively bring into play sand control and end unconcerned effect; Help plant growing; Pollution-free or pollution-free substantially to soil; Cost is low to be easy to promote on a large scale; Can go deep into the innerland, desert and benefits such as improvement are carried out at the Sha Yuan center.

Description of drawings

Below in conjunction with drawings and Examples the utility model is made detailed explanation, wherein:

Fig. 1 is the utility model device preferred embodiment schematic perspective view;

Fig. 2 is the cutaway view of the utility model device preferred embodiment;

Fig. 3 is the schematic diagram of the utility model device preferred embodiment result of use;

Fig. 4 is the single device group's of the utility model a schematic perspective view;

Fig. 5, Fig. 6 and Fig. 7 are respectively the device group's of the circular grid of the utility model, triangular mesh, quadrilateral mesh schematic top plan view.

Embodiment

Fig. 1, Fig. 2 show the basic structure of the utility model preferred embodiment, the comprehensive sand control that present embodiment proposes ends unconcerned device, it comprise a hollow elliposoidal (egg type) housing 1, be arranged at the through hole 2 around this housing, and through hole is positioned at the top of housing 1, and the inwall of through hole 2 lower case is provided with sloping baffle 5.Housing 1 is made by degradable material, in the present embodiment, housing 1 is formed by any degradable material such as stalk, straw, branch leaf, rubbish or multiple degradable material mixed foaming compacting, leave the pore 3 that foaming produces in its wall body, also laterally be provided with tiny perforation 4 on the wall body of lower housing portion.Be provided with fertilizer and fertilizer-keeping agent and water-loss reducer in the wall body of housing 1, be attached with in the wall body of housing 1 can be in the desert growing plants seed.

The pore 3 of some is set in wall body and some tiny perforation 4 is set in housing 1 bottom that (aperture is not easy to flow out with sandy soil and is advisable, horizontal square to perforation), or in housing 1 bottom opening, or with the suitable attenuation in housing 1 bottom, can increase the gas permeability of this device, to help the construction of nutrient exchange and microclimate environment, the promotion root system of plant penetrates and grows.Adhering to plant seed in the wall body of housing 1, is in order to increase seed number, to improve the survival rate of plant.In the wall body of housing 1, add fertilizer, water-loss reducer, fertilizer-keeping agent etc., can increase the liquid manure care action of housing.The sloping baffle 5 of being located at through hole 2 lower edges helps sandy soil inflow housing inner chamber and can prevent that again sandy soil from flowing out simultaneously from the housing inner chamber, to keep the stability of the local drift sand of housing inner chamber.

The size of the utility model device and shape are to guarantee that sand control ends the key factor of unconcerned effect.The selection of its size and shape, can reach desirable engineering state with device construction back at the desert near surface is final foundation.The height of general housing 1 is 10CM～300CM, is preferably 20CM～140CM; The ratio of the height of the housing diameter of a cross-section of a tree trunk 1.3 meters above the ground maximum with it is 1: 0.5～1: 5, is preferably 1: 0.6～1: 3; The wall thickness of housing is 1CM～30CM; Through hole 2 is arranged on the wall body of housing 1/2～3/4 height, preferably makes through hole 2 asymmetrical being arranged at around the housing wall body.In present embodiment, through hole 2 adopts three, can guarantee asymmetric setting, can avoid directly perforation and going out of dust storm like this.Wind stopped by housing, wind speed decreased, leaves housing again, and sand is stayed in the housing, and the wind-force of going out has also weakened, and helps windproof and keeps the stability of the local drift sand of housing inner chamber.The number of through hole 2 can maybe needs be selected according to the size of housing 1, as four, five etc.

Present embodiment, the basic configuration of the housing of device are elliposoidal, and under the situation that does not influence the member allomeric function, the shape of housing can have multiple variation.As, the upper top of housing can rise stupefied based on top, smooth elliposoidal slope.Housing bottom can seal, also can perforate (as sieve shape perforate or middle perforate).Housing bottom can be elliposoidal, also can be slightly spirogyrate, also can be concave shaped etc.The housing bottom sealing helps the stable of housing inner chamber deposition drift sand.Perforate at the bottom of the shell, when quicksand volume was excessive, wind-force upwards lifted housing, and excessive drift sand can overflow from tapping, avoids device to be flowed or blow over and cover completely by excessive drift sand.Housing bottom is an elliposoidal, helps the device performance and bores husky firm effect downwards.Housing bottom helps the steadiness of intensifier for omiting spirogyrate (similar " tumbler ").Housing bottom is concave shaped (similar " steamed bread of corn "), and it is firm to help device, and has enriched the structure of housing inner chamber, thereby has strengthened the microclimate regulating power of device.

Housing 1 can also be made other how much bodily forms as required, and as, spheroidal, cylindrical, conical, square column type or multi-edge column-shaped or the like, except that the body of housing changed to some extent, its basic structure was identical with the elliposoidal housing with operation principle.

Device described in the utility model adopts, and material free of contamination to soil, that degradable absorbs is made.For guaranteeing the firm of housing and being rich in toughness, to guarantee the content and the ratio (fibrous matter volume accounting is advisable to be not less than 50%) of fibrous matter in the raw material (as vegetable fiber) when choosing raw material.Raw material is processed into suitable material, its processing method comprises that hand hay cutter is cut, rolled, water logging, make a rope by twisting the strands together, pulverize, fermentation, softening, stirring etc., according to the suitable processing method of the type selecting of raw material.Suitable material is meant that fibrous matter keeps better in the material, and material stirs, is rich in toughness, is easy to moulding etc.

Comprehensive sand control of the present utility model ends unconcerned method, has the following steps:

The comprehensive sand control of step 1, selected elliposoidal ends unconcerned device, as shown in Figure 1 and Figure 2.

Step 2, multiple arrangement is connected into device group as required, and make the through hole of each device all be positioned at the top, as shown in Figure 4 with definite shape.

Step 3, will install the near surface that the group is embedded in selected desert, and promptly make the device group firmly be erected among the sandy soil, and the housing under the through hole of device be flowed or blow over and cover completely below the sandy soil surface, the sandy soil surface is concordant substantially with the lower edge of through hole, sees also Fig. 3.

The method that this method can adopt manually and bury underground, machinery is laid or aircraft broadcasts sowing is come the embedded device group.The single row configuration (as shown in Figure 4) that device group is formed by connecting for multiple arrangement or circular grid, triangular mesh, any grid type structure of quadrilateral mesh (as Fig. 5, Fig. 6, shown in Figure 7) of being formed by connecting for multiple arrangement.

The size of common thickness according to the local dry sand layer in desert, near surface wind-force and the size of quicksand volume are selected size, weight and the shape of described device.Dry sand layer is thin, selects the device of small-sized, light-duty and elliposoidal; Dry sand layer is thick, selects device group large-scale, that heavy device connects into single or grid type; Near surface wind-force is little, selects the device of small-sized, light-duty and elliposoidal; Near surface wind-force is big, selects device group large-scale, that heavy device connects into single or grid type; Quicksand volume is little, selects the device/device group of bottom lock; Quicksand volume is big, selects the device/device group of bottom opening.The thickness of the weight of housing and a shell ancient piece of jade, round, flat and with a hole in its centre is decided with the raw material that can obtain.Because just play a role after the full sandy soil of housing inner chamber storage, the weight of sandy soil is far longer than the housing deadweight in the housing inner chamber, therefore, the weight of housing is not an important factors.

Its operation principle of the device that the utility model proposes: wind passes from the through hole of a shell ancient piece of jade, round, flat and with a hole in its centre, and performance upwards lifts effect to wind-force to upper top cover; In addition, drift sand enters from through hole with the wind, and wind-force is stopped by wall body and weaken that drift sand then is deposited in the housing chamber, and along with the continuous sedimentation of drift sand, weight constantly increases, and housing is sedimentation in sandy soil.The settling capacity that wind produces power that lifts upwards and gravity generation reaches dynamic equilibrium, makes this device firmly be erected among the sandy soil in desert, is neither blown away to blow down to turn over also by wind and is not flowed or blow over and cover completely by drift sand.The sandy soil that fall in the housing inner chamber are more stable, are not easy to flow, and can bring into play the effect of protecting the moisture in the soil soil moisture conservation, promoting the inside and outside plant growing of housing.Particularly the asymmetric through hole of offering of level on wall body when near surface dust storm level is passed through through hole, certainly will be subjected to stopping of wall body, thereby performance weakens near surface wind-force, quickens the effect of drift sand sedimentation.The housing lower end is " slyness " comparatively, helps the housing performance and bores husky firm effect.The housing relative closure has only housing through-hole to be exposed in the ambient atmosphere time and to participate in ambient atmosphere and waits circulation, forms the environment microclimate that is beneficial to plant growing in enclosure interior easily.Promptly utilize the big natural characteristic of desert day and night temperature, housing can be brought into play and can bring into play the effect of collecting condensed water in the air again in the water evaporates, the evening that stop its inner chamber daytime.So circulation in the stable sandy soil of housing inner chamber, obtains certain moist environment, thereby helps the interior plant germination and growth of housing.As shown in Figure 3, growing plants 6 its capillary roots can go deep into maybe can also being deep into sandy soil 7 deep layers by the tiny perforation 4 on the wall body in the interior pore 3 of housing wall and draw nutrient, improve survival rate; The plant 6 upwards growth through hole 2 that passes housing top is stretched on the sandy soil 7 in desert, thereby plays the effect of fixing the sand.Housing is made by the material that pollution-free, the easy degraded to soil absorbs, and can be plant absorbing year in and year out, and some raw material (as stalk) can be brought into play the effect of getting fat.Device of the present utility model forms microclimate environment, promotion plant growing and the natural, ecological recovery of countless suitable growth and development of plants at the desert near surface.A plurality of device groups of the present utility model as comprehensive, a firm integral system, finally reach sand control and end unconcerned resultant effect after the desert near surface is buried underground.

The utility model has been broken through existing desertification control method and has been rested on and fix the sand and the lip-deep limitation of sand prevention, adopt a kind of comprehensive desertification control method of taking into account controlling sediment by plant and engineering sand control advantage and making full use of desert natural conditions (wind-force, drift sand, day and night temperature etc.), have can comprehensively bring into play sand control end unconcerned effect, help plant growing, pollution-free to soil, need not to repeat to be provided with, cost lowly is easy to promote on a large scale, can go deep into the innerland, desert and benefits such as improvement are carried out at the Sha Yuan center.

Claims

1. a comprehensive sand control ends unconcerned device, it is characterized in that, comprise a hollow housing (1), be arranged at this housing through hole (2) all around, and through hole is positioned at the top of described housing; Housing bottom can seal, also can perforate; Described housing (1) is made by degradation material, is provided with pore (3) in its wall body, also laterally is provided with tiny perforation (4) on the wall body of lower housing portion.

2. device as claimed in claim 1 is characterized in that, described housing (1) is formed by any degradable material foaming compacting in stalk, straw, branch leaf, the rubbish.

3. device as claimed in claim 2 is characterized in that the internal face of described housing is attached with plant seed, and the inwall of described through hole (2) lower edge housing is provided with sloping baffle (5).

4. device as claimed in claim 3 is characterized in that, described housing (1) is any of elliposoidal, spheroidal, cylindrical, conical, square column type or multi-edge column-shaped.

5. device as claimed in claim 4 is characterized in that, the height of described housing (1) is that the ratio of the height diameter of a cross-section of a tree trunk 1.3 meters above the ground maximum with it of 10CM～300CM, housing is 1: 0.5～1: 5, and described through hole (2) is arranged on the wall body of housing 1/2～3/4 height.

6. device as claimed in claim 5 is characterized in that, the height of described housing (1) is that the ratio of the height diameter of a cross-section of a tree trunk 1.3 meters above the ground maximum with it of 20CM～140CM, housing is 1: 0.6～1: 3, and described through hole (2) is asymmetrical to be arranged at around the housing wall body.