CN212436695U - Saline and alkaline land afforestation structure - Google Patents
Saline and alkaline land afforestation structure Download PDFInfo
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- CN212436695U CN212436695U CN202020803060.8U CN202020803060U CN212436695U CN 212436695 U CN212436695 U CN 212436695U CN 202020803060 U CN202020803060 U CN 202020803060U CN 212436695 U CN212436695 U CN 212436695U
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- drainage
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- saline
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 14
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 88
- 239000002689 soil Substances 0.000 claims abstract description 50
- 230000008595 infiltration Effects 0.000 claims abstract description 37
- 238000001764 infiltration Methods 0.000 claims abstract description 37
- 239000004575 stone Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 239000003513 alkali Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012266 salt solution Substances 0.000 description 15
- 238000001914 filtration Methods 0.000 description 11
- 239000012466 permeate Substances 0.000 description 8
- 238000002955 isolation Methods 0.000 description 6
- 239000010802 sludge Substances 0.000 description 5
- 206010024796 Logorrhoea Diseases 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000012267 brine Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 241001464837 Viridiplantae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model relates to a saline and alkaline land afforestation structure belongs to soil salt discharge technical field, it is including seting up a plurality of salt discharge ditch on the basic unit, the rubble groove has been seted up to the bottom of salt discharge ditch, the rubble inslot intussuseption is filled with clean stone bits layer, the drainage oozing pipe has been buried underground in the clean stone bits layer, the infiltration hole has been seted up on the drainage oozing pipe, laid the second between the inner wall in clean stone bits layer and rubble groove and strained the mud layer, salt removal layer has been laid to the top on clean stone bits layer, salt removal layer upper berth is equipped with first mud removal layer, original soil layer is laid to first mud removal layer top, plant the layer above original soil layer. The utility model discloses have the infiltration efficiency that improves the drainage oozing pipe, and then improve the effect of salt discharging efficiency.
Description
Technical Field
The utility model relates to a soil salt discharge field, in particular to saline and alkaline land afforestation structure.
Background
The saline-alkali soil is characterized in that the soil contains soluble salts and has high salt concentration, and the soil environment can directly inhibit or harm the growth of plants. The prior saline-alkali soil in China has large area and high saline-alkali content, is mostly positioned in coastal areas or northwest inland arid areas, and seriously influences the local economic development.
The existing Chinese patent with reference publication number CN107182333A discloses a saline-alkali soil salt separation and removal structure, a plurality of pipe ditches are dug on a saline-alkali soil greening area foundation layer, a coarse sand layer is filled on the bottom surface of the ditch, a water permeable blind pipe is buried in the coarse sand layer, a plurality of through holes for water seepage are arranged on the water permeable blind pipe, the water permeable blind pipe is communicated with a saline-alkali drainage well, the wells are communicated with one another through a pipeline, a gravel layer is laid on the sand layer, a geotextile and a straw layer are laid above the gravel layer, and planting soil is laid above the straw layer. When watering or rainy days, water flows downwards to a coarse sand layer, enters the permeable blind pipe through the through hole, and then is discharged into the saline and alkaline drainage well along the permeable blind pipe, so that salt in the saline and alkaline land is taken away.
The above prior art solutions have the following drawbacks: rivers can carry earth at the in-process that flows, and the through-hole on the blind pipe that permeates water is blockked up very easily to earth in the rivers to reduce the infiltration efficiency of the blind pipe that permeates water, lead to row salt efficiency lower.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a saline and alkaline land afforestation structure, it has the infiltration efficiency that improves the drainage oozing pipe, and then improves the effect of salt discharging efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a saline and alkaline land afforestation structure, including seting up a plurality of salt drainage ditch on the basal layer, the garrulous stone groove has been seted up to the bottom of salt drainage ditch, the garrulous stone inslot intussuseption is filled with clean stone bits layer, the drainage oozing pipe has been buried underground in the clean stone bits layer, the infiltration hole has been seted up on the drainage oozing pipe, laid the second between the inner wall in clean stone bits layer and garrulous stone groove and strained the mud layer, laid the salt isolation layer above clean stone bits layer, the salt isolation layer upper berth is equipped with first mud layer of straining, original soil layer is laid to first mud layer top of straining, plant the layer above the original soil layer.
Through adopting above-mentioned technical scheme, when watering or rainy day to the planting layer surface, get into and plant intraformational water partly and ooze to former soil horizon, dissolve former soil in situ salt to infiltration downwards, drain away in the infiltration drainage infiltration pipe through the infiltration hole on the drainage infiltration pipe, reduce former soil in situ salt and alkali content, prevent to reduce former soil in situ salt and alkali and rise to planting the layer. Set up clean stone bits layer around the drainage oozing pipe, clean stone bits layer has better water absorption, can be with the moisture gathering around the rubble groove around the drainage oozing pipe to in time discharge more salt solution, reduce the salinity in the soil.
The second strains the mud layer and has filtering capability, lays the second and strains the mud layer between clean stone bits layer and rubble inslot wall, can prevent that the earth in rubble groove from getting into clean stone bits layer to avoid earth to block up the infiltration hole on the drainage infiltration pipe, guarantee the smooth and easy nature of drainage infiltration pipe drainage, improve row's salt efficiency.
The present invention may be further configured in a preferred embodiment as: the drainage seepage pipe adopts a double-wall corrugated pipe, and the seepage holes are positioned at the wave troughs of the drainage seepage pipe.
Through adopting above-mentioned technical scheme, the infiltration hole is located the position of trough, because the crest has certain effect of sheltering from to external debris, then can reduce the condition that the infiltration hole is blockked up, guarantees the smooth and easy nature of permeating water, and then improves the drainage efficiency of drainage infiltration pipe.
The present invention may be further configured in a preferred embodiment as: the periphery of the drainage seepage pipe is wrapped with a filter layer for preventing the seepage holes from being blocked.
Through adopting above-mentioned technical scheme, the filter layer is further filtered the salt solution around the drainage infiltration pipe, prevents effectively that materials such as silt from blockking up the infiltration hole, guarantees the smooth and easy nature of permeating water, improves salt discharging efficiency.
The present invention may be further configured in a preferred embodiment as: the end part of the drainage seepage pipe is communicated with a main salt drainage pipe, and the two ends of the main salt drainage pipe are communicated with a salt drainage well.
Through adopting above-mentioned technical scheme, get into the water that the drainage oozed in the pipe and get into the salt elimination well through the salt elimination house steward and collect, the later stage carries out the desalination to the salt-containing water in the salt elimination well and handles the back for water in the salt elimination well accords with the irrigation requirement, thereby realizes the cyclic utilization water resource, reduces the waste to the water resource.
The present invention may be further configured in a preferred embodiment as: one end of the drainage seepage pipe close to the salt discharge main pipe is inclined downwards, and the gradient of the drainage seepage pipe is not less than 0.3%.
Through adopting above-mentioned technical scheme, the slope of drainage oozing pipe sets up, does benefit to the drainage and oozes the intraductal water of pipe and in time flow into the total intraductal discharge of salt drainage, prevents against the current, improves the smooth and easy nature of drainage, and then improves drainage efficiency.
The present invention may be further configured in a preferred embodiment as: the distance between adjacent drainage seepage pipes is 5-10 m.
By adopting the technical scheme, the distance between the drainage seepage pipes is 5-10 meters, when the water volume is large, the saline water in the soil can be discharged in time, the salt discharging efficiency is high, and the condition of downward permeation of the saline water is reduced.
The present invention may be further configured in a preferred embodiment as: the drainage infiltration pipe is divided into an upper pipe body and a lower pipe body along the length direction of the drainage infiltration pipe, the infiltration hole is positioned on the upper pipe body, a water collection plate is arranged at the joint of the upper pipe body and the lower pipe body, one end of the water collection plate is fixedly connected with the lower pipe body, and the other end of the water collection plate inclines towards the direction close to the upper pipe body.
Through adopting above-mentioned technical scheme, the infiltration hole is located the body, avoids getting into the salt solution in the drainage oozing pipe and flows out from lower body for salt solution ability enough converges in the entering drainage oozing pipe arranges the salt house steward, improves salt discharging efficiency, and in addition, the water-collecting plate slope sets up, can increase the water collection area of drainage oozing pipe, makes more salt solution can get into the drainage oozing pipe, further improves salt discharging efficiency.
The present invention may be further configured in a preferred embodiment as: and one side of the water collecting plate close to the upper pipe body is provided with a drainage hole which is communicated with the drainage seepage pipe.
Through adopting above-mentioned technical scheme, the salt solution that the water-collecting plate was collected can enter into the drainage through the drainage hole and ooze intraductally, improves the speed that salt solution infiltration drainage oozed in the pipe to improve salt discharge efficiency, can reduce the salt solution in the infiltration soil simultaneously, reduce the salt content in the soil.
The present invention may be further configured in a preferred embodiment as: the lower pipe body is provided with a supporting seat for supporting the lower pipe body, the supporting seat is provided with a semicircular groove coaxial with the lower pipe body, and the lower pipe body is embedded in the semicircular groove and fixedly connected with the supporting seat.
Through adopting above-mentioned technical scheme, the supporting seat bottom surface is the plane, lays the drainage oozing pipe behind the garrulous stone groove, can prevent that the drainage oozing pipe from rotating, increases the stability of drainage oozing pipe to make the upper pipe body be located the top all the time, be convenient for collect more salt solution, improve salt discharging efficiency.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the salt water permeating downwards permeates into the drainage seepage pipe through the seepage holes to be drained away, so that the salt content in the soil is reduced, and the influence on the growth of plants is reduced; in the process of salt water permeation, the second mud filtering layer filters soil in soil, and the soil can be prevented from entering the stone chip purifying layer, so that the soil is prevented from blocking a water seepage hole, the smoothness of drainage of a drainage seepage pipe is ensured, and the salt discharging efficiency is improved;
2. the filtering layer is wrapped outside the drainage seepage pipe, so that the salt water entering the drainage seepage pipe is further filtered, the seepage holes are effectively prevented from being blocked by substances such as soil, the smoothness of water permeation is ensured, and the salt discharge efficiency is improved;
3. the infiltration hole is located the body, can avoid getting into the salt solution in the drainage oozing pipe from lower body outflow, improves salt discharging efficiency, and in addition, the water-collecting plate can increase the water collection area of drainage oozing pipe for more salt solution can get into the drainage oozing pipe, further improves salt discharging efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view for showing the structure of the drain pipe in the first embodiment.
Fig. 3 is a schematic view for showing the structure of the drain seepage pipe in the second embodiment.
Fig. 4 is a cross-sectional view intended to show the drainage holes in the second embodiment.
Reference numerals: 1. a base layer; 2. planting a layer; 3. a primary soil layer; 4. a first sludge filtering layer; 5. a salt-separating layer; 6. a salt discharge ditch; 61. a crushed stone groove; 611. a stone chip removal layer; 612. a second sludge filtering layer; 7. draining and permeating pipes; 71. a water seepage hole; 72. a filter layer; 73. a pipe body is arranged; 74. a lower pipe body; 8. a water collection plate; 81. a drainage hole; 9. a supporting seat; 91. a semicircular groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the planting layer 2 is a planting layer 2 formed by the improved soil and used for planting green plants. The soil of the original soil layer 3 is formed by the unmodified soil, the salt isolation layer 5 is formed by the gravel with the diameter of 20-40mm, and the salt water below the salt isolation layer 5 can upwards permeate into the planting layer 2 through the salt isolation layer 5, so that the salt water is far away from the planting layer 2. First filter mud layer 4 and second filter mud layer 612 are all formed by geotechnological cloth or non-woven fabrics, prevent that earth from getting into salt isolation layer 5, and then prevent that earth from blockking up infiltration hole 71 after getting into clean stone bits layer 611. The stone dust purification layer 611 is formed by laying stone dust with the diameter of 10-20mm, absorbs the salt water around the drainage seepage pipe 7, and leads the salt water to permeate into the drainage seepage pipe 7 for drainage.
When planting layer 2 and watering or rainy day, the partly infiltration of water that gets into in planting layer 2, after dissolving the salinity in the original soil horizon 3, continue to infiltrate down to the position of drainage oozing pipe 7, in permeating drainage oozing pipe 7 through infiltration hole 71, permeate drainage ooze pipe 7 back along drainage ooze pipe 7 flow in row's salt house steward, collect in the row's salt well at last, can cyclic utilization after handling to the row's salt well is the salt solution.
Referring to fig. 2, the drainage seepage pipe 7 is a double-wall corrugated pipe, the drainage seepage pipe 7 is obliquely arranged along the axis direction, one end of the drainage seepage pipe 7 close to the salt drainage main pipe is obliquely downwards inclined, and the inclination of the inclination is not less than 0.3%. The position at the drain pipe trough is seted up to infiltration hole 71 to make the crest can play the effect of sheltering from earth, reduce the condition that infiltration hole 71 is blockked up. The circumferential surface of the drainage seepage pipe 7 is wrapped with a filter layer 72, and the filter layer 72 is a filter layer 72 formed by geotextile or non-woven fabric.
In embodiment 2, referring to fig. 3, the difference from the first embodiment is that the drain pipe 7 is divided into an upper pipe 73 and a lower pipe 74 along the longitudinal direction thereof, the upper pipe 73 has a semicircular structure, the lower pipe 74 has a semicircular shape coaxial with the upper pipe 73, the upper pipe 73 is positioned above the lower pipe 74 and is fixedly connected to the lower pipe 74 to form the drain pipe 7, and the water seepage holes 71 are uniformly opened in the upper pipe 73.
Referring to fig. 3, the connection between the upper pipe 73 and the lower pipe 74 is provided with two water collecting plates 8, and the two water collecting plates 8 are horizontally arranged and are symmetrically arranged about the axis of the lower pipe 74. The length direction of the water collection plate 8 is the same as the length direction of the lower pipe 74, one end of the water collection plate 8 is fixedly connected with the circumferential surface of the lower pipe 74, and the other end of the water collection plate 8 inclines upwards so as to collect more saline water.
Referring to fig. 3, the drainage holes 81 are formed in the surface of the water collection plate 8 on the side close to the upper pipe body 73, the drainage holes 81 are communicated with the drainage permeation tube 7 (refer to fig. 4), the speed of the salt water on the water collection plate 8 permeating into the drainage permeation tube 7 is increased, and the salt discharge efficiency is improved.
Referring to fig. 3, the lower tube 74 is provided with a support seat 9, the support seat 9 is a cubic structure, the length direction of the support seat 9 is the same as the length direction of the lower tube 74, a semicircular groove 91 is formed in the top surface of the support seat 9, the length direction of the semicircular groove 91 is the same as the length direction of the support seat 9, and the circumferential surface of the lower tube 74 is embedded in the semicircular groove 91 and is abutted against the inner wall of the semicircular groove 91 and is fixedly connected. Because the bottom surface of supporting seat 9 is planar, increases the stability of drainage oozing pipe 7 for last body 73 is located the top of body 74 down all the time, is convenient for collect salt solution, improves the salt discharge efficiency.
The implementation principle of the above embodiment is as follows:
when watering or rainy day to planting the layer 2 surface, get into that to plant the water partly infiltration in the layer 2 to former soil horizon 3, dissolve the salt in the former soil horizon 3 and form salt solution and infiltration downwards, get into clean stone bits layer 611 after passing first filter mud layer 4 and salt separation layer 5 in proper order, then, in the salt solution permeates drainage infiltration pipe 7 through the infiltration hole 71 on drainage infiltration pipe 7, along drainage infiltration pipe 7 inflow salt drainage house steward, get into the salt drainage well finally and collect.
When the salt water permeates into the salt separation layer 5 from the original soil layer 3, the first mud filtering layer 4 filters the salt water to prevent soil from entering the salt separation layer 5, so that the soil entering the stone dust purification layer 611 is reduced; meanwhile, the second mud filtering layer 612 filters the saline water around the gravel groove 61, so as to reduce the mud entering the stone and debris purifying layer 611; in addition, the filter layer 72 wrapped outside the drainage seepage pipe 7 further filters the brine of the stone dust purification layer 611, and through filtering the brine for multiple times, the situation that the seepage holes 71 are blocked is greatly reduced, the seepage efficiency is improved, and the salt drainage efficiency is further improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a saline and alkaline land afforestation structure, includes a plurality of row's salt ditch (6) of seting up on basal layer (1), its characterized in that: broken stone groove (61) have been seted up to the bottom of salt discharge ditch (6), broken stone groove (61) intussuseption is filled with clean stone bits layer (611), drainage oozing pipe (7) have been buried underground in clean stone bits layer (611), infiltration hole (71) have been seted up on drainage oozing pipe (7), it strains mud layer (612) to have laid the second between the inner wall of clean stone bits layer (611) and broken stone groove (61), salt separating layer (5) have been laid to the top on clean stone bits layer (611), salt separating layer (5) upper berth is equipped with first strain mud layer (4), former soil layer (3) are laid to first strain mud layer (4) top, plant layer (2) are laid to former soil layer (3) top.
2. The greening structure for saline-alkali soil as claimed in claim 1, wherein: the drainage seepage pipe (7) adopts a double-wall corrugated pipe, and the seepage holes (71) are positioned at the wave troughs of the drainage seepage pipe (7).
3. The greening structure for saline-alkali soil as claimed in claim 1, wherein: the periphery of the drainage seepage pipe (7) is wrapped with a filter layer (72) for preventing the seepage holes (71) from being blocked.
4. The greening structure for saline-alkali soil as claimed in claim 1, wherein: the end part of the drainage seepage pipe (7) is communicated with a salt drainage main pipe, and two ends of the salt drainage main pipe are communicated with salt drainage wells.
5. The greening structure for saline-alkali soil as claimed in claim 4, wherein: one end of the drainage seepage pipe (7) close to the salt drainage main pipe is inclined downwards, and the gradient of the drainage seepage pipe (7) is not less than 0.3 percent.
6. The greening structure for saline-alkali soil as claimed in claim 1, wherein: the distance between adjacent drainage seepage pipes (7) is 5-10 meters.
7. The greening structure for saline-alkali soil as claimed in claim 1, wherein: the drainage seepage pipe (7) is divided into an upper pipe body (73) and a lower pipe body (74) along the length direction of the drainage seepage pipe, the seepage holes (71) are positioned on the upper pipe body (73), a water collecting plate (8) is arranged at the joint of the upper pipe body (73) and the lower pipe body (74), one end of the water collecting plate (8) is fixedly connected with the lower pipe body (74), and the other end of the water collecting plate inclines towards the direction close to the upper pipe body (73).
8. The greening structure for saline-alkali soil as claimed in claim 7, wherein: drainage holes (81) are formed in one side, close to the upper pipe body (73), of the water collection plate (8), and the drainage holes (81) are communicated with the drainage seepage pipe (7).
9. The greening structure for saline-alkali soil as claimed in claim 7, wherein: be equipped with supporting seat (9) that support body (74) down on body (74), seted up on supporting seat (9) and body (74) coaxial half slot (91) down, body (74) inlay in half slot (91) and supporting seat (9) fixed connection down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803060.8U CN212436695U (en) | 2020-05-14 | 2020-05-14 | Saline and alkaline land afforestation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803060.8U CN212436695U (en) | 2020-05-14 | 2020-05-14 | Saline and alkaline land afforestation structure |
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| Publication Number | Publication Date |
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| CN212436695U true CN212436695U (en) | 2021-02-02 |
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| CN202020803060.8U Expired - Fee Related CN212436695U (en) | 2020-05-14 | 2020-05-14 | Saline and alkaline land afforestation structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113491181A (en) * | 2021-07-26 | 2021-10-12 | 苏州仁和园林股份有限公司 | Saline-alkali treatment system for garden sites in coastal regions and construction method |
| CN113634046A (en) * | 2021-08-26 | 2021-11-12 | 中国一冶集团有限公司 | Tree pit water control system and using method |
| CN116267479A (en) * | 2023-05-24 | 2023-06-23 | 北京建工环境修复股份有限公司 | Method for recovering water level and vegetation of peat marshland with drainage and drainage |
-
2020
- 2020-05-14 CN CN202020803060.8U patent/CN212436695U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113491181A (en) * | 2021-07-26 | 2021-10-12 | 苏州仁和园林股份有限公司 | Saline-alkali treatment system for garden sites in coastal regions and construction method |
| CN113634046A (en) * | 2021-08-26 | 2021-11-12 | 中国一冶集团有限公司 | Tree pit water control system and using method |
| CN116267479A (en) * | 2023-05-24 | 2023-06-23 | 北京建工环境修复股份有限公司 | Method for recovering water level and vegetation of peat marshland with drainage and drainage |
| CN116267479B (en) * | 2023-05-24 | 2023-08-11 | 北京建工环境修复股份有限公司 | Method for recovering water level and vegetation of peat marshland with drainage and drainage |
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Address after: 300202 room 301-305, 51 Xiamen Road, Hexi District, Tianjin. Patentee after: Tianjin founder Construction Supervision Co.,Ltd. Address before: 300202 room 301-305, 51 Xiamen Road, Hexi District, Tianjin. Patentee before: Tianjin Fangzheng Garden Construction Supervision Center |
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