CN203924031U - Grass base high vertical sunflower stalk sand-protecting barrier - Google Patents
Grass base high vertical sunflower stalk sand-protecting barrier Download PDFInfo
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- CN203924031U CN203924031U CN201420364669.4U CN201420364669U CN203924031U CN 203924031 U CN203924031 U CN 203924031U CN 201420364669 U CN201420364669 U CN 201420364669U CN 203924031 U CN203924031 U CN 203924031U
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Abstract
The utility model relates to effectively windproof and fixing flowing of one, the bar of semi-mobile dune (sand ground), the careless base high vertical sunflower stalk sand-protecting barrier being particularly made as main raw material taking the stalk of crops sunflower, this sand-protecting barrier is that ribbon comprises the multispan sand-proof unit of laying perpendicular to cardinal wind, often comprise across sand-proof unit two spud piles that are arranged on two ends, two wire drawings that front and back position is corresponding are installed between two spud piles, in the space that two spud piles and two wire drawings surround, be provided with compact arranged sunflower stalk, the lower end of compact arranged sunflower stalk is embedded in the mixed sand ridge of wheat straw grass base and sandy soil.Can effectively subdue wind speed, control sand flow, weaken earth's surface wind erosion, reaching windproof, stop the effect of the Shamian Island within the scope of upwind stream, stabilization protective, can reduce greatly the cost of checking winds and fixing drifting sand of unit area.
Description
Technical field
The utility model relate to one can be effectively windproof and fixingly flow, the bar of semi-mobile dune (sand ground), the careless base high vertical sunflower stalk sand-protecting barrier being particularly made as main raw material taking the stalk of crops sunflower.
Background technology
Desertification is the most serious ecosystem environment problem in the world today.China is one of country that ccd area is larger, distributed more widely in the world, harm is comparatively serious.The continuous expansion of desertification brings serious impact to ecological safety, grain security and the regional economy social development of the husky district of northern China and even country, nearly 60,000,000,000 yuan of the direct economic loss causing because of desertification every year.Sandy desertification soil is mainly distributed in northwest, North of North China and the West of The Northeast China of China, is mainly distributed in the Edge of Oasis of arid desert, semiarid dry steppe and half area, wet forest grassland.In region, ccd area ratio is large, and sandstorm takes place frequently and having a strong impact on economic development and the human survival in region.
The control of earth's surface wind-driven sediment and improvement are the body matters of desertification control, and the formation and development of earth's surface wind-driven sediment is mainly the impact that is subject to atmospheric circulation, weather condition and surface condition, under present circumstances, we cannot intervene atmospheric circulation and weather condition, so we can only be put into the emphasis of work to improve surface condition aspect, take measures, to control formation, the minimizing earth's surface sedimentary loading of earth's surface wind-driven sediment, to alleviate the disaster being caused by earth's surface wind-driven sediment.The method of controlling minimizing earth's surface wind-driven sediment is a lot, says the method that mainly comprises that biological control measure, chemical measure, mechanical measure and dissimilar measure combine from technological layer.Mechanical sand barrier is one of major measure of prevent and control sandy storm harm, and its Main Function is the character by changing ground surface, increases roughness of ground surface and realizes reduction wind speed, weakens wind erosion, and reaches the object of checking winds and fixing drifting sand.In the practice of control of desert, successively introduce or created the mechanical sand barrier of the materials such as wheat straw, clay, bamboo chip, wood chip and nylon wire, and applied in defending and controlling sand.Wherein wheat straw sand-protecting barrier is taking the stalk of wheat as material, be set directly at and need on fixing Shamian Island, but that wheat straw sand-protecting barrier is easy to after the wind that drenches with rain is rotten, application life is shorter, and in recent years due to the development of the structural readjustment of rural industry and related industry, the raw material of wheat straw sand-protecting barrier are fewer and feweri, and the cost of manufacture of wheat straw sand-protecting barrier is constantly increased.Although clay sand-protecting barrier cost is relatively low, after clay sand-protecting barrier arranges, Shamian Island can form one deck skinning, and moisture oozes under being difficult to, and is unfavorable for recovery and the growth of plant.Also because contain number of chemical composition, there is the potential risk that causes environment pollution in the plastic sand blocking of promoting the use of gradually in recent years.Thereby, must find new technical measures, find a kind of for making the materials and methods of sand-protecting barrier.
Sunflower is a kind of important industrial crops of China's arid biogeographic zone, and cultivated area has the trend increasing year by year in recent years, is abandoned in a large number and burns as waste product but its stalk is many, does not obtain sufficient development and utilization.
Summary of the invention
The utility model, from above-mentioned technical problem, its objective is that providing a kind of raw material source to enrich, make simple mechanical sand barrier is careless base high vertical sunflower stalk sand-protecting barrier.This sand-protecting barrier not only has the good effect of checking winds and fixing drifting sand, and for the moving dunes of the not ideal heavy grade of existing Sand-fixing Measures effect fixedly there is outstanding effect, its long service life, with low cost, environmental protection are easily gone.
For achieving the above object, the technical scheme of taking of the present utility model is as follows: a kind of careless base high vertical sunflower stalk sand-protecting barrier, it is characterized in that: this sand-protecting barrier is that ribbon comprises the multispan sand-proof unit of laying perpendicular to cardinal wind, often comprise across sand-proof unit two spud piles that are arranged on two ends, two wire drawings that front and back position is corresponding are installed between two spud piles, in the space that two spud piles and two wire drawings surround, be provided with compact arranged sunflower stalk, the lower end of compact arranged sunflower stalk is embedded in the mixed sand ridge of wheat straw grass base and sandy soil.
Every is 5m～10m across the length of sand-proof unit; Above-mentioned ribbon sand-protecting barrier can be set as more than one or two with certain line-spacing cloth in the direction perpendicular to prevailing wind direction according to the actual conditions of the sand ground that will administer, band line-spacing can be adjusted according to landform between 8m～15m, on smooth sand ground, line-spacing can amplify, and the sand dune line-spacing that the gradient is larger suitably dwindles; Setting unit that can also 5m～10m is that the length of side is arranged to trellis sand-protecting barrier.
The utility model is piled the sunflower stalk of abandoning as main raw material(s) taking field, be compiled into paling form structure according to certain specification, is arranged on mobile, the region, semifluid sand dune (sand ground) that are subject to hazards of sand storms serious; The utlity model has the effect of checking winds and fixing drifting sand remarkable, simple in structure, implement the features such as convenience, long service life, with low cost and environmental protection Yi Hang; Particularly fixedly there is good effect for the moving dunes of the not ideal heavy grade of existing Sand-fixing Measures effect.
Use principle of the present utility model: according to the correlative study result of wind-driven sediment, the obstruction of certain altitude is set on the route passing through at stream, in the time that stream process is dredged saturating property sand-protecting barrier, some air-flow collides and is obstructed before sand-protecting barrier, another part air-flow passes from obstruction space, in stopping of obstruction, friction waits under effect, wind speed sharply reduces, after wind speed weakens, it takes husky ability reduction, impact on the static grains of sand in earth's surface reduces, in addition the obstruction of obstruction self to the grains of sand, can make the grains of sand of motion land at obstruction periphery, stablize the grains of sand in the certain limit of obstruction front and back, reach the object of checking winds and fixing drifting sand.For having the sand-protecting barrier of void content, the height of its protection distance and sand-protecting barrier and porosity have closely and contact, voidage between 30%～50% time the protection distance of sand-protecting barrier increase gradually with the height of sand-protecting barrier.Therefore the utility model grass base high vertical sunflower stalk sand-protecting barrier can effectively be subdued wind speed, control sand flow, weaken earth's surface wind erosion, reaching windproof, stop the effect of the Shamian Island within the scope of upwind stream, stabilization protective, especially the height of its 1.5m～1.7m can make the line-spacing that arranges between two row grass base high vertical sunflower stalk sand-protecting barriers be increased to 8m～15m, can reduce greatly the cost of checking winds and fixing drifting sand of unit area.
The beneficial effect of advantage of the present utility model and generation is mainly:
The first, have the splendid effect of checking winds and fixing drifting sand, Stability Analysis of Structures, fixedly has a good effect applicable to the moving dunes of the not ideal heavy grade of existing Sand-fixing Measures effect;
The second, raw material source is abundant, gathers materials on the spot, and both sunflower stalk can be turned waste into wealth, and can eliminate again the air pollution causing because burning sunflower stalk;
Three, arrange flexibly, can and line-spacing be set according to the degree of porosity of the setting of situation adjustment on the spot, to the setup cost of unit area is down to minimum under the prerequisite that ensures protection effect;
Four, wheat straw grass base and the husky ridge the wind erosion that can effectively prevent sand-protecting barrier bottom is set, promote sand-fixing effect and the application life of careless base high vertical sunflower stalk sand-protecting barrier.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is a structural representation across sand-proof unit,
Fig. 3 is the top view of Fig. 2,
Fig. 4 is A-A sectional view of Fig. 2,
Fig. 5 is many strip-types of desert areal setting structural representations of the present utility model,
Fig. 6 is the utility model becomes trellis sand-protecting barrier structural representation in desert areal setting.
In figure: 1-sunflower stalk, 2-spud pile, 3-wire drawing, 301-leeward to wire drawing, 302-windward to wire drawing, 4-wheat straw grass base, 5-mixed sand ridge, 6-sand-proof unit, 7-end sand-protecting barrier, L-every length across sand-proof unit, M-sand-protecting barrier line-spacing, H-sunflower stalk height, h-mixed sand ridge height.
Detailed description of the invention
Embodiment 1, as shown in Figures 1 to 4: a kind of careless base high vertical sunflower stalk sand-protecting barrier, this sand-protecting barrier is ribbon, it comprises the multispan sand-proof unit 6 of laying perpendicular to cardinal wind, often comprise across sand-proof unit 6 two spud piles 2 that are arranged on two ends, two wire drawings 3 that front and back position is corresponding are installed between two spud piles 2, in the space that two spud piles 2 and two wire drawings 3 surround, be provided with compact arranged sunflower stalk 1, the lower end of sunflower stalk 1 is embedded in the mixed sand ridge 5 of wheat straw grass base 4 and sandy soil.Every is 5m～10m across the length L of sand-proof unit.
The utility model was installed to use is on-the-spot after both can being made into sand-proof unit, also can use on-the-spot directly making; On-the-spot roughly method of directly making is provided below:
Wire drawing 3 comprises leeward to wire drawing 301 with windward to wire drawing 302.Sunflower straw collecting is got up, reject fibrous root and the earth of root, neatly should select more straight sunflower stalk suitable its top of pruning for sand-protecting barrier is seemed, make sunflower stalk height H between 1.5m～1.7m.The set-point of sand-protecting barrier perpendicular to region in prevailing wind direction often planted spud pile 2 across the length L of sand-proof unit as 5m～10m taking the spacing of 5m～10m, as a production unit of careless base high vertical sunflower stalk sand-protecting barrier, on spud pile 2 using sunflower stalk 1 2/3 highly as standard tension, fix iron wire that diameter is more than or equal to 3.4mm as leeward to wire drawing 301, spud pile 2 and the leeward normal line of arranging sunflower stalk 1 that both can be used as to wire drawing 301, can resist strong wind for sunflower stalk 1 again certain support is provided.With leeward to wire drawing 301 track that is projected as on Shamian Island on Shamian Island, open the ditch that the degree of depth is more than or equal to 200mm, place a certain amount of wheat straw as wheat straw grass base 4 at bottom of trench, then be positioned over side by side bottom of trench by one of sunflower stalk 1 and ensure that sunflower stalk 1 stands on Shamian Island, by controlling the degree of porosity of putting the adjustment grass base high vertical sunflower stalk sand-protecting barrier that density can be suitable of sunflower stalk 1.
After putting neatly, sunflower stalk 1 opened ditch is filled and led up and is piled up on the two sides, front and back of sunflower stalk 1 the mixed sand ridge 5 that comprises wheat straw grass base 4 and sandy soil composition with sandy soil, the mixed sand ridge height h 15cm～25cm that is generally above the ground level, and make the toothed burclover of wheat straw grass base 4 expose the mixed sand ridge.The acting in conjunction on the mixed sand ridge 5 of wheat straw grass base 4 and sandy soil composition, can effectively prevent a small amount of wind erosion that sand-protecting barrier bottom produces, and promotes sand-fixing effect and the application life of careless base high vertical sunflower stalk sand-protecting barrier.After the sunflower stalk 1 between two spud piles 2 is booked, be strained and fixed windward to wire drawing 302 with the iron wire of certain diameter to the identical height of wire drawing 301 leeward, leeward to wire drawing 301 be located at same level line position to wire drawing 302 windward.Leeward to wire drawing 302 with windward to ensureing the complete of holding structure and form under the deflation of careless base high vertical sunflower stalk sand-protecting barrier at strong wind, sapping under the constraint of wire drawing 301 and the acting in conjunction on the mixed sand ridge 5.
Embodiment 2, as shown in Figure 5: the present embodiment is, in the region, desert that will administer, the utility model cloth is set as to multi-ribbon shape sand-protecting barrier, can further improve the opposing effect to leading wind-force; Sand-protecting barrier line-spacing M adjusts between 8m～15m according to landform, and on smooth sand ground, line-spacing can amplify, and the sand dune line-spacing that the gradient is larger suitably dwindles; In order to improve the opposing effect to other direction wind-force, take precautions against the sapping of strong wind to many ribbon sand-protecting barrier two ends place, the two ends of many ribbon sand-protecting barriers are provided with end sand-protecting barrier 7; The number of multi-ribbon shape sand-protecting barrier is selected between two～six according to wind conditions, and the present embodiment is four.
Embodiment 3, as shown in Figure 6: the present embodiment is to be set as length of side 5m～10m trellis sand-protecting barrier at the sand ground cloth that will administer, and the wind of non-dominant wind direction has also been increased to resistivity, all has multiple opposing effect to the wind-force of leading wind-force and other direction.
Claims (6)
1. a careless base high vertical sunflower stalk sand-protecting barrier, it is characterized in that: this sand-protecting barrier is ribbon, it comprises the multispan sand-proof unit (6) of laying perpendicular to cardinal wind, often comprise across sand-proof unit (6) two spud piles (2) that are arranged on two ends, two wire drawings (3) that front and back position is corresponding are installed between two spud piles (2), in the space that two spud piles (2) and two wire drawings (3) surround, be provided with compact arranged sunflower stalk (1), the lower end of sunflower stalk (1) is embedded in the mixed sand ridge (5) of wheat straw grass base (4) and sandy soil.
2. the careless base high vertical of one according to claim 1 sunflower stalk sand-protecting barrier, is characterized in that: be laid with many ribbon sand-protecting barriers perpendicular to cardinal wind; Sand-protecting barrier line-spacing (M) is between 8m～15m.
3. the careless base high vertical of one according to claim 2 sunflower stalk sand-protecting barrier, is characterized in that: the two ends of many ribbon sand-protecting barriers are provided with end sand-protecting barrier (7).
4. the careless base high vertical of one according to claim 1 sunflower stalk sand-protecting barrier, is characterized in that: the sand ground cloth of being administered is set as length of side 5m～10m trellis sand-protecting barrier.
5. according to the one grass base high vertical sunflower stalk sand-protecting barrier described in claim 1 to 4 any one, it is characterized in that: wire drawing (3) comprises leeward to wire drawing (301) with windward to wire drawing (302); Leeward to wire drawing (301) be located at same level line position to wire drawing (302) windward.
6. the careless base high vertical of one according to claim 5 sunflower stalk sand-protecting barrier, is characterized in that: be often 5m～10m across the length (L) of sand-proof unit; Mixed sand ridge height (h) is 15cm～25cm, and the toothed burclover of wheat straw grass base (4) exposes the mixed sand ridge (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364669.4U CN203924031U (en) | 2014-07-03 | 2014-07-03 | Grass base high vertical sunflower stalk sand-protecting barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364669.4U CN203924031U (en) | 2014-07-03 | 2014-07-03 | Grass base high vertical sunflower stalk sand-protecting barrier |
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| Publication Number | Publication Date |
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| CN203924031U true CN203924031U (en) | 2014-11-05 |
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| CN201420364669.4U Expired - Fee Related CN203924031U (en) | 2014-07-03 | 2014-07-03 | Grass base high vertical sunflower stalk sand-protecting barrier |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105557255A (en) * | 2015-12-15 | 2016-05-11 | 四川农业大学 | Treatment method for rodent and deserted grassland of extremely-cold areas |
| CN108077013A (en) * | 2018-01-05 | 2018-05-29 | 高万功 | A kind of method afforested using maize straw sand control |
| CN108149662A (en) * | 2017-11-21 | 2018-06-12 | 青海省畜牧兽医科学院 | Annual bluegrass biological checkboard and its setting method |
| CN112205258A (en) * | 2020-09-24 | 2021-01-12 | 广西壮族自治区农业科学院 | Technical method related to soil improvement in rocky desertification area |
| CN114808906A (en) * | 2022-03-10 | 2022-07-29 | 水利部牧区水利科学研究所 | Sunflower straw sand barrier strip and sunflower straw sand barrier laying method |
| CN114960486A (en) * | 2022-03-31 | 2022-08-30 | 中国科学院西北生态环境资源研究院 | Wind-rolling grass wind-prevention and sand-prevention structure, wind-prevention and sand-fixation structure and wind-sand protection system |
-
2014
- 2014-07-03 CN CN201420364669.4U patent/CN203924031U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105557255A (en) * | 2015-12-15 | 2016-05-11 | 四川农业大学 | Treatment method for rodent and deserted grassland of extremely-cold areas |
| CN108149662A (en) * | 2017-11-21 | 2018-06-12 | 青海省畜牧兽医科学院 | Annual bluegrass biological checkboard and its setting method |
| CN108077013A (en) * | 2018-01-05 | 2018-05-29 | 高万功 | A kind of method afforested using maize straw sand control |
| CN108077013B (en) * | 2018-01-05 | 2020-08-21 | 高万功 | Method for desertification control and forestation by using corn straws |
| CN112205258A (en) * | 2020-09-24 | 2021-01-12 | 广西壮族自治区农业科学院 | Technical method related to soil improvement in rocky desertification area |
| CN114808906A (en) * | 2022-03-10 | 2022-07-29 | 水利部牧区水利科学研究所 | Sunflower straw sand barrier strip and sunflower straw sand barrier laying method |
| CN114960486A (en) * | 2022-03-31 | 2022-08-30 | 中国科学院西北生态环境资源研究院 | Wind-rolling grass wind-prevention and sand-prevention structure, wind-prevention and sand-fixation structure and wind-sand protection system |
| CN114960486B (en) * | 2022-03-31 | 2024-03-22 | 中国科学院西北生态环境资源研究院 | Wind-rolling grass wind-proof sand-blocking structure, wind-proof sand-fixing structure and wind-proof sand protection system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150703 |
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| EXPY | Termination of patent right or utility model |