CN202183982U - Stereoscopic greening device for isolating and pressing salt for saline and alkali lands - Google Patents
Stereoscopic greening device for isolating and pressing salt for saline and alkali lands Download PDFInfo
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- CN202183982U CN202183982U CN201120201709XU CN201120201709U CN202183982U CN 202183982 U CN202183982 U CN 202183982U CN 201120201709X U CN201120201709X U CN 201120201709XU CN 201120201709 U CN201120201709 U CN 201120201709U CN 202183982 U CN202183982 U CN 202183982U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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Abstract
The utility model discloses a stereoscopic greening device for isolating and pressing salt for saline and alkali lands, which relates to a multi-separation salt isolating system comprising a separating layer, an aggregate isolating layer, a shading net and greening planting soil. Rising of water in capillaries in high-saline soil in saline and alkali areas can be cut off and high-saline vapor can be isolated effectively. Saline and alkaline discharging pipes, water collection pipes and civil drainage pipes form a salt cleaning and pressing system, rainwater and irrigation fresh water are used for salt cleaning and pressing, the stereoscopic salt isolating and pressing system is formed by combining salt cleaning and salt pressing, low saline degree of the soil in plant root system growth areas is guaranteed, better greening belts can be formed, and fine landscape effect is achieved. The stereoscopic greening device for isolating and pressing salt for saline and alkali lands is applicable to garden greening projects in saline and alkali areas, and is a long-term and high-efficiency greening restoring device for the saline and alkali lands.
Description
Technical field
The utility model belongs to landscape engineering device field, and particularly the salt afforestation equipment is pressed at a distance from salt in the saline land.
Background technology
The saline land refers to those salt contents height, is difficult to the soil of growing plant.The important content that solonchak is administered is regulated and control soil salt exactly, aspect vertical, just the upstroke and the downward movement of soil salt is regulated and control, and suppresses upstroke, promotes downward movement, and both are among the dynamic equilibrium.The carrier of soil salt is the soil water, and the regulation and control soil salt comes down to soil moisture, and the soil water movement that can bring salinity to soil is nothing more than two kinds, the one, and the rising of subterranean water level makes soil directly suffer the saturated dipping of salt ground water; The 2nd, capillary water motion, promptly salt ground water is along the soil hollow billet and moving of rising, and can these two kinds of motions cause the soil salification all to depend on groundwater level.When therefore afforesting in saline and alkaline area, except that carrying out the soil moved in to improve the original displacement, also must return on the strict control haline water branch, cut off the capillary rising passway, guaranteeing to remain in the planting technique soil low saline salinity is the successful key of saline and alkaline area greening.
The utility model content
The utility model provides a kind of saline land three-dimensional at a distance from salt pressure salt afforestation equipment in order to address the above problem.
The utility model is to address this problem the technical scheme of being taked to be:
Three-dimensional barrier layer, ground floor shade net, salt discharge alkali pipe, collector pipe, inspection shaft, rubble separation layer, second layer shade net and the planting technique soil that is arranged in order from bottom to up that comprises at a distance from salt pressure salt afforestation equipment in the saline land of the utility model; Described barrier layer is the basis, above barrier layer, lays the ground floor shade net, cuts off the haline water steam of underground rising; Lay salt discharge alkali pipe and collector pipe in the tube seat above the ground floor shading screen; Be provided with at collector pipe and be provided with inspection shaft on the direction; Salt discharge alkali pipe, collector pipe and inspection shaft periphery parcel coarse sand filtering layer are laid rubble separation layer, second layer shade net and planting technique soil successively above the coarse sand filtering layer.
Advantage and the good effect that the utlity model has are:
The saline land of the utility model is three-dimensional presses the salt afforestation equipment at a distance from salt; Can cut off effectively on the underground high salt capillary water and return; Simultaneously, utilize to irrigate fresh water and rainwater and press salt, desalinization of soil by flooding or leaching effect, guarantee that the upper strata afforests native salinity and remain at below 0.2%; For plant growing provides a good growing space, thereby build the long-term greening view in saline and alkaline area.
Description of drawings
Fig. 1 is the three-dimensional structural representation of pressing the salt afforestation equipment at a distance from salt in the saline land of the utility model;
Fig. 2 is the three-dimensional generalized section of pressing the salt afforestation equipment at a distance from salt in the saline land of the utility model;
Fig. 3 is the three-dimensional annexation figure that presses salt discharge alkali pipe, collector pipe and inspection shaft in the salt afforestation equipment at a distance from salt in the saline land of the utility model.
Critical piece symbol description in the accompanying drawing:
1: barrier layer 2: the ground floor shade net
3: salt discharge alkali pipe 4: collector pipe
5: inspection shaft 6: the rubble separation layer
7: second layer shade net 8: planting technique soil
9: the coarse sand filtering layer
Embodiment
Followingly the utility model is carried out detailed explanation with reference to accompanying drawing and embodiment.
Fig. 1 is the three-dimensional structural representation of pressing the salt afforestation equipment at a distance from salt in the saline land of the utility model; Fig. 2 is the three-dimensional generalized section of pressing the salt afforestation equipment at a distance from salt in the saline land of the utility model.As depicted in figs. 1 and 2, three-dimensional barrier layer 1, ground floor shade net 2, salt discharge alkali pipe 3, collector pipe 4, inspection shaft 5, rubble separation layer 6, second layer shade net 7 and the planting technique soil 8 that is arranged in order from bottom to up that comprises at a distance from salt pressure salt afforestation equipment in the saline land of the utility model.
Wherein, barrier layer 1 is the basis, mainly through utilizing on-site soil, barrier solution and small amount of cement to carry out abundant mix, after utilize road roller to roll, be used to block on the underground high salt capillary water and return passage; Barrier layer 1 thickness is 5-30cm, and the barrier layer compaction requirement reaches more than 90%, and compression strength reaches more than the 2.5Mpa.Above barrier layer 1, lay ground floor shade net 2, cut off the haline water steam of underground rising; Lay salt discharge alkali pipe 3, collector pipe 4 and inspection shaft 5 subsequently in the tube seat above ground floor shade net 2.
Salt discharge alkali pipe 3, collector pipe 4 and inspection shaft 5 periphery parcel coarse sand filtering layers 9; Moisture in the planting technique soil 8 is when being penetrated into salt discharge alkali pipe 3, and lower floor is closely knit barrier layer 1, water dilutional hyponatremia or because of rainy ponding for a long time; Can redundant moisture in time be drained; Prevent damage or crop failure caused by waterlogging, subterranean water level is controlled at below the critical depth, reach the soil desalination and prevent the purpose of secondary salinization; Above coarse sand filtering layer 9, lay rubble separation layer 6 subsequently, can play the effect that " salt solution " that oozes down is transported to salt discharge alkali pipe 3, can play the effect that prevents underground " accumulation of salt in the surface soil " again.Rubble separation layer 6 thickness are 10-30cm, and ballast grain sizes is 1.5-4cm, and rubble can also be used other material substitution, like gravel, slag or alkaline residue etc.; Notice that impurity content can not be too many in the rubble, clay content should be less than 3%.On rubble separation layer 6, lay second layer shade net 7 subsequently, prevent that on the one hand the upper strata planting soil from stopping up rubble separation layer 6, can cut off the haline water steam of underground rising on the other hand, play at a distance from salt action; Lay planting technique soil 8 subsequently, planting technique soil 8 thickness are 80-130cm, and planting technique soil 8 requires salt content to be lower than 0.2%.
Fig. 3 is the three-dimensional annexation figure that presses salt discharge alkali pipe, collector pipe and inspection shaft in the salt afforestation equipment at a distance from salt in the saline land of the utility model.As shown in Figure 3, salt discharge alkali pipe 3 is permeable bellows, and caliber is 50-100mm, and length is 15-100m, and the pipe network layout density is 8-15m, and the laying gradient is 0.1%-0.5%.Collector pipe 4 adopts bellows, and caliber is 150-400mm, and the laying gradient is 0.3-0.8%, is provided with on the direction at collector pipe 4 and whenever at a distance from 30m inspection shaft 5 is set, and inspection shaft 5 is a plastic material, and collector pipe 4 ends are connected with the municipal drainage pipe network.Salt discharge alkali pipe 3 front ends seal with supporting pipe plug, the terminal collector pipe that points to of pipe, and salt discharge alkali pipe and collector pipe line series are secondary, arrange with quadrature formula or fan-shaped formula.
The saline land of the utility model is three-dimensional presses the salt afforestation equipment following at the specific embodiment of coastal region at a distance from salt:
Saline land greening is carried out in Dagang District road both sides in Tianjin; Adopt three-dimensional separated salt, press the salt afforestation equipment, it is made up of barrier layer, ground floor shade net, salt discharge alkali pipe, collector pipe, inspection shaft, rubble separation layer, second layer shade net, planting technique soil and coarse sand filtering layer.Barrier layer thickness is 15cm, during construction, carries out the sub-layer of barrier layer earlier and handles, with the smooth compacting of undisturbed soil; Reach the intensity and the flatness of designing requirement, after utilize rotovator with soil smash, shallow turning over, spray cement and barrier solution again, utilize soil stabilizer to carry out abundant mix; The mix while spraying makes soil, barrier and cement mixing even, adopts vibrated roller again, and first static pressure carries out compacting operation to intercepting soil layer one time again; When specifically rolling, should in line with " earlier light back is heavy, and slow earlier back is fast, behind the first both sides in the middle of; first static pressure after vibration " principle, speed controlling should be a low speed at twice, 1.5km/h-1.8km/h is advisable, the rolling speed of later available 2.0km/h-2.6km/h; Behind the barrier layer roller-compaction, the health of sprinkling water with covering the health of burlap sheet, requires the burlap sheet to keep certain humidity always; Conditioned time is 7 days, and the final barrier layer compactness that forms reaches more than 90%, and compression strength on average reaches more than the 2.5Mpa; On barrier layer, laying one deck aperture is the PE material shade net of 0.2mm; After barrier layer and the construction of ground floor shade net finish, in tube seat, lay salt discharge alkali pipe and collector pipe, with the coarse sand parcel, block-shaped on every side according to on-the-spotly; Arrange that with orthogonal grid type or oblique herringbone collector pipe is collected each section salt discharge alkali pipe water body, imports near catch-basin again and constitutes complete salt discharge alkali system; Wherein, salt discharge alkali pipe adopts the permeable double-wall corrugated pipe of DN100, length 60m; Pipe network density is 10m, and laying the gradient is 0.3%, and salt discharge alkali pipe upper end is with supporting pipe plug sealing; The terminal collector pipe that points to of pipe, collector pipe adopts the DN200 bellows, and laying the gradient is 0.5%; Be provided with on the direction at collector pipe and whenever at a distance from about 30m, plastic inspection well be set, the water body that collector pipe is collected is transported to city planting ductwork, has constituted the drainage pipeline networks of a system; After drainage pipeline networks is laid and finished, carry out the rubble separation layer and lay, its metalling thickness is 20cm, and ballast grain sizes is 1.5-4cm; On separation layer, lay second layer shade net, prevent that on the one hand the upper strata planting soil from stopping up the rubble separation layer, can cut off the haline water steam of underground rising on the other hand, play at a distance from salt action; Last backfill planting technique soil, the planting soil salt content is lower than 0.2%, and planting soil thickness is 80cm, plants greening seedling in the above.Pass through above-mentioned steps; Separated salt, the pressure salt system of a solid have been formed; Guarantee effectively to cut off capillary water in the high salt soil in saline and alkaline area on return and intercept the haline water steam, utilize rainwater and irrigate fresh water and carry out the desalinization of soil by flooding or leaching, press salt, be that a good soil environment is created in the growth of plant; Through the observational record more than 4 years, adopt this device plant percent to remain on more than 96%.
In the saline land greening engineering of yellow ten thousand railways all fronts, adopt three-dimensional separated salt, press the salt device, has obtained good effect, through the monitoring more than 2 years, the native salt content of planting technique is lower than 0.2% all the time, and plant percent remains on more than 95%.
In sum; Among the embodiment that the content of the utility model is not confined to; Knowledgeable people in the same area can propose other embodiment easily within the device guiding theory of the utility model, but this embodiment is included within the scope of the utility model.
Claims (8)
1. a saline land is three-dimensional at a distance from salt pressure salt afforestation equipment, and it is characterized in that: this afforestation equipment comprises barrier layer (1), ground floor shade net (2), salt discharge alkali pipe (3), collector pipe (4), inspection shaft (5), rubble separation layer (6), second layer shade net (7) and the planting technique soil (8) that is arranged in order from bottom to up; Described barrier layer (1) is the basis, above barrier layer, lays ground floor shade net (2), cuts off the haline water steam of underground rising; Lay salt discharge alkali pipe (3) and collector pipe (4) in the tube seat above the ground floor shading screen; Be provided with at collector pipe (4) and be provided with inspection shaft (5) on the direction; Salt discharge alkali pipe (3), collector pipe (4) and inspection shaft (5) periphery parcel coarse sand filtering layer (9) are laid rubble separation layer (6), second layer shade net (7) and planting technique soil (8) successively above the coarse sand filtering layer.
2. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt, and it is characterized in that: described barrier layer (1) thickness is 5-30cm, and the barrier layer compactness is more than 90%, and compression strength reaches more than the 2.5Mpa.
3. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt; It is characterized in that: described salt discharge alkali pipe (3) is permeable bellows, and caliber is 50-100mm, and length is 15-100m; The density of pipe network cloth is 8-15m, and the laying gradient is 0.1%-0.5%.
4. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt, and it is characterized in that: collector pipe (4) adopts bellows, and caliber is 150-400mm, and the laying gradient is 0.3-0.8%.
5. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt, it is characterized in that: at collector pipe (4) inspection shaft (5) that whenever is provided with plastic material on the direction at a distance from 30m is set, collector pipe (4) is terminal to be connected with the municipal drainage pipe network.
6. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt; It is characterized in that: salt discharge alkali pipe (3) front end seals with supporting pipe plug; The terminal collector pipe that points to of pipe, salt discharge alkali pipe and collector pipe line series are secondary, arrange with quadrature formula or fan-shaped formula.
7. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt, and it is characterized in that: the thickness of rubble separation layer (6) is 10-30cm, and ballast grain sizes is 1.5-4cm, and rubble can use gravel, slag or alkaline residue to substitute.
8. saline land according to claim 1 is three-dimensional presses the salt afforestation equipment at a distance from salt, and it is characterized in that: the thickness of planting technique soil (8) is 80-130cm.
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CN201120201709XU CN202183982U (en) | 2011-06-16 | 2011-06-16 | Stereoscopic greening device for isolating and pressing salt for saline and alkali lands |
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CN201120201709XU CN202183982U (en) | 2011-06-16 | 2011-06-16 | Stereoscopic greening device for isolating and pressing salt for saline and alkali lands |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103385096A (en) * | 2013-07-01 | 2013-11-13 | 北京仁创科技集团有限公司 | Improved saline-alkali soil plant cropping system |
CN103416249A (en) * | 2013-07-01 | 2013-12-04 | 北京仁创科技集团有限公司 | Improved saline-alkali soil plant cultivating system |
CN103444293A (en) * | 2013-09-09 | 2013-12-18 | 天津泰达园林建设有限公司 | Improvement method for underground soil of urban street trees on coastal saline and alkaline land region |
CN103858555A (en) * | 2014-04-08 | 2014-06-18 | 山东潍坊东盛园艺有限公司 | Method for using caustic dross to establish nursery garden on saline and alkaline land |
CN104054425A (en) * | 2013-07-31 | 2014-09-24 | 唐山曹妃甸区滨海园林绿化工程有限公司 | Saline land improvement system and improvement method |
CN105659958A (en) * | 2016-03-24 | 2016-06-15 | 棕榈设计有限公司 | Coastal region saline-alkali land alkali discharge structure and construction method |
CN105766125A (en) * | 2016-05-04 | 2016-07-20 | 亿利生态修复股份有限公司 | Saline and alkaline land landscaping system and method |
CN106376270A (en) * | 2016-08-31 | 2017-02-08 | 杭州中艺生态环境工程有限公司 | Sustainably improved planting structure of saline and alkaline land |
CN107801439A (en) * | 2017-10-24 | 2018-03-16 | 潍坊友容实业有限公司 | Salt-soda soil self-cleaning type salt discharge network system |
CN108207160A (en) * | 2018-01-03 | 2018-06-29 | 南京农业大学 | A kind of method for preventing saline-alkali soil earth's surface salification |
CN108419473A (en) * | 2018-03-15 | 2018-08-21 | 浙江园冶生态建设有限公司 | A kind of salt-soda soil Landscape Construction technology |
CN110495277A (en) * | 2019-09-20 | 2019-11-26 | 上海应用技术大学 | A kind of construction method and its system of alkaline land soil Drainage of salt |
CN115024163A (en) * | 2022-06-16 | 2022-09-09 | 江苏海洋大学 | Method for greening coastal soft soil salinized foundation |
CN117561827A (en) * | 2024-01-17 | 2024-02-20 | 内蒙古农业大学 | Yellow river irrigated area saline and alkaline land improvement afforestation planting structure |
-
2011
- 2011-06-16 CN CN201120201709XU patent/CN202183982U/en not_active Expired - Fee Related
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103385096A (en) * | 2013-07-01 | 2013-11-13 | 北京仁创科技集团有限公司 | Improved saline-alkali soil plant cropping system |
CN103416249A (en) * | 2013-07-01 | 2013-12-04 | 北京仁创科技集团有限公司 | Improved saline-alkali soil plant cultivating system |
CN104054425B (en) * | 2013-07-31 | 2016-08-10 | 唐山曹妃甸区滨海园林绿化工程有限公司 | Alkaline land improving system and modification method |
CN104054425A (en) * | 2013-07-31 | 2014-09-24 | 唐山曹妃甸区滨海园林绿化工程有限公司 | Saline land improvement system and improvement method |
CN103444293B (en) * | 2013-09-09 | 2016-02-24 | 天津泰达绿化集团有限公司 | The improvement method of beach saline land Regional City street tree underground |
CN103444293A (en) * | 2013-09-09 | 2013-12-18 | 天津泰达园林建设有限公司 | Improvement method for underground soil of urban street trees on coastal saline and alkaline land region |
CN103858555A (en) * | 2014-04-08 | 2014-06-18 | 山东潍坊东盛园艺有限公司 | Method for using caustic dross to establish nursery garden on saline and alkaline land |
CN105659958A (en) * | 2016-03-24 | 2016-06-15 | 棕榈设计有限公司 | Coastal region saline-alkali land alkali discharge structure and construction method |
CN105766125A (en) * | 2016-05-04 | 2016-07-20 | 亿利生态修复股份有限公司 | Saline and alkaline land landscaping system and method |
CN106376270A (en) * | 2016-08-31 | 2017-02-08 | 杭州中艺生态环境工程有限公司 | Sustainably improved planting structure of saline and alkaline land |
CN107801439A (en) * | 2017-10-24 | 2018-03-16 | 潍坊友容实业有限公司 | Salt-soda soil self-cleaning type salt discharge network system |
CN108207160A (en) * | 2018-01-03 | 2018-06-29 | 南京农业大学 | A kind of method for preventing saline-alkali soil earth's surface salification |
CN108419473A (en) * | 2018-03-15 | 2018-08-21 | 浙江园冶生态建设有限公司 | A kind of salt-soda soil Landscape Construction technology |
CN110495277A (en) * | 2019-09-20 | 2019-11-26 | 上海应用技术大学 | A kind of construction method and its system of alkaline land soil Drainage of salt |
CN115024163A (en) * | 2022-06-16 | 2022-09-09 | 江苏海洋大学 | Method for greening coastal soft soil salinized foundation |
CN117561827A (en) * | 2024-01-17 | 2024-02-20 | 内蒙古农业大学 | Yellow river irrigated area saline and alkaline land improvement afforestation planting structure |
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Granted publication date: 20120411 Termination date: 20200616 |
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