CN205052094U - Salt system is arranged in saline and alkaline land - Google Patents
Salt system is arranged in saline and alkaline land Download PDFInfo
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- CN205052094U CN205052094U CN201520839601.1U CN201520839601U CN205052094U CN 205052094 U CN205052094 U CN 205052094U CN 201520839601 U CN201520839601 U CN 201520839601U CN 205052094 U CN205052094 U CN 205052094U
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Abstract
The utility model relates to a technical field that the saline and alkaline land was administered provides a salt system is arranged in saline and alkaline land, include: plant layer, non -woven fabrics layer, filtration layer, water permeability row's salt passageway, collection salt well, plastics french drain and pump drainage mechanism, the planting layer the non -woven fabrics layer the filtration layer the water permeability arrange the salt passageway with the plastics french drain is set gradually under to by last, just the plastics french drain is close to saline and alkaline stratum and sets up, the collection salt well by it extends to to plant the layer saline and alkaline stratum, just the water permeability arrange the salt passageway with collection salt well intercommunication sets up, the inside on filtration layer is provided with a plurality of drain pipes, every the both ends of drain pipe respectively with the non -woven fabrics layer with salt passageway intercommunication is arranged to the water permeability, pump drainage mechanism with collection salt well intercommunication, be used for with salt buck in the collection salt well is taken out.
Description
Technical field
The utility model relates to the technical field of Saline-alkali Field Control, especially relates to saline land desalting system.
Background technology
Saline land refers to that soil contains the soil of excess soluble salt, the reason of saline Land is because soil and groundwater saliferous is too high, under strong surface evaporation effect, underground shallow layer water is transported to earth's surface through capillary and is evaporated, capillary is in the process of earth's surface water delivery, also the salinity in water is driven earth's surface, after water is evaporated, soil salt is risen by capillarity and accumulates in upper soll layer, salinity has just been stayed in earth's surface and ground thin solum, the salinity of such accumulation is many, if there is no enough fresh water dilutions and drained, salt affected soil will be defined.
The salinization of soil is a global ecological difficult problem, according to the statistics of the World Food Programme and science and education tissue, whole world wetland with saline-alkaline about 9.5 hundred million hectares, account for 10% of Global land area, and Pedotransfer function area constantly increases, about there is the Secondary Saline of 1,000 ten thousand hectare of land and soil to let a piece of farmland go to waste every year and abandon.All kinds of saline and alkaline soil of China reaches 100,000,000 hectares, and saline soil is a part for China's important land resources, and wasteland resources medium salting soil occupies very large ratio.
Due to the accumulation of salinity a large amount of in alkaline land soil, the deterioration of a series of soil physical property can be caused, such as: it is slow that structure viscous, air capacity of soils are poor, unit weight is high, the consolidation that hardens, soil temperature rise, in soil, aerobic microorganism activity is poor, moisture release is slow, osmotic coefficient is low, capillarity by force, more causes the saliferous aggravation of topsoil.
The deterioration of the above-mentioned physical behavior of soil can affect the growth of ornamental plant, and the new root of thing of especially newly planting is sprouted.The saline and alkaline harm to plant shows the following aspects: the physiological drought causing plant, makes plant wilt even dead; Soil salt content is too high, especially at arid season, can injure plant cell, hypocotyl tissue; Affect the nutrition of plant normal absorption; The stomatal closure of plant, thus easily arid is withered to make plant.
At present, in prior art, the improvement method for saline land mainly comprises open drain row's alkali, large hydraulic pressure alkali and raised fields row alkali etc.; These methods above-mentioned generally can use more freshwater resources, thus cause the in short supply of water resource; If underground divides reverse osmosis phenomenon serious containing buck, once lack fresh water pressure tank, the salinization of soil again in soil will be caused.
Utility model content
The purpose of this utility model is to provide saline land desalting system, more to solve the freshwater resources that the saline and alkali land improvement method that exists in prior art uses, once scarcity of fresh water resources can cause the technical problem of soil salinization of soil again.
A kind of saline land desalting system that the utility model provides, comprising: plantation layer, nonwoven layer, filter layer, water penetration salt discharge passage, collection salt well, plastic blind-ditch and pump drainage mechanism; Described plantation layer, described nonwoven layer, described filter layer, described water penetration salt discharge passage and described plastic blind-ditch set gradually from top to bottom, and described plastic blind-ditch is arranged near saline and alkaline stratum;
Described collection salt well extends to described saline and alkaline stratum by described plantation layer, and described water penetration salt discharge passage is communicated with described collection salt well and arranges; The inside of described filter layer is provided with multiple drainpipe, the two ends of each described drainpipe respectively with described nonwoven layer and described water penetration salt discharge channel connection; Described pump drainage mechanism is communicated with described collection salt well, for being extracted out by the saline-alkali water in described collection salt well.
Further, described pump drainage mechanism comprises drawing liquid pump and tube connector, and one end of described tube connector is communicated with the inside of described collection salt well, and the other end is connected with described drawing liquid pump.
Further, described filter layer comprises haydite, coarse sand, rubble, sand gravel, cinder or medical stone.
Further, the material of described drainpipe is bamboo or UPVC.
Further, described water penetration salt discharge passage is salt discharging pipe, and described salt discharging pipe is evenly distributed with multiple through hole, and saline-alkali water can enter described salt discharging pipe by described through hole.
Further, described through hole is provided with filter screen.
Further, the surrounding of described salt discharging pipe is equipped with fine sand.
Further, described water penetration salt discharge passage is salt discharge closed conduit, and described salt discharge closed conduit is provided with cover plate near the side of described filter layer; And window is provided with on the sidewall of described salt discharge closed conduit, described window is provided with barrier.
Further, the quantity of described gas permeability salt discharge passage and described collection salt well is multiple, and multiple described gas permeability salt discharge passage interlaced arrangement forms gridiron, and multiple described collection salt well is separately positioned on the infall of two described gas permeability salt discharge passages.
Further, also comprise reed layer, described reed layer is arranged between described plastic blind-ditch and described saline and alkaline stratum.
Compared with prior art, the beneficial effect that the utility model has is:
The saline land desalting system that the utility model provides, comprise the plantation layer, nonwoven layer, filter layer, water penetration salt discharge passage, collection salt well and the plastic blind-ditch that set gradually from top to bottom, wherein plastic blind-ditch is arranged near saline and alkaline stratum, collection salt well extends to saline and alkaline stratum by planting layer, water penetration salt discharge passage is communicated with collection salt well, saline-alkali water can be discharged in collection salt well; And inside filter layer, be provided with multiple drainpipe, be used for draining; And is communicated with is provided with pump drainage mechanism with collection salt well, the saline-alkali water pump drainage collected in salt well can be gone out; Adopt said structure, nonwoven layer, filter layer and drainpipe can guarantee that the soil of planting layer has good ventilative water permeability; Gas permeability salt discharge passage, collection salt well and plastic blind-ditch can stop the saline-alkali water inverse osmosis in saline and alkaline stratum to planting in layer, thus the growth of plant in layer is planted in impact; Saline-alkali water pump drainage in collection salt well can be gone out by pump drainage mechanism timely, in case these saline-alkali waters pollute plantation layer.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the saline land desalting system that Fig. 1 provides for the utility model embodiment;
Fig. 2 is gas permeability salt discharge passage multiple in the saline land desalting system shown in Fig. 1 and the vertical view collecting salt well;
Fig. 3 is the front view of salt discharging pipe in the saline land desalting system shown in Fig. 1.
Reference numeral:
1-kind plants layer; 2-nonwoven layer; 3-filter layer;
4-gas permeability salt discharge passage; 5-plastic blind-ditch; 6-reed layer;
The saline and alkaline stratum of 7-; 8-collection salt well;
31-drainpipe; 41-salt discharging pipe;
411-through hole.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The structural representation of the saline land desalting system that Fig. 1 provides for the utility model embodiment; Fig. 2 is gas permeability salt discharge passage multiple in the saline land desalting system shown in Fig. 1 and the vertical view collecting salt well; Fig. 3 is the front view of salt discharging pipe in the saline land desalting system shown in Fig. 1.
As Figure 1-3, a kind of saline land desalting system that the present embodiment provides, comprising: plantation layer 1, nonwoven layer 2, filter layer 3, water penetration salt discharge passage, collection salt well 8, plastic blind-ditch 5 and pump drainage mechanism; Plantation layer 1, nonwoven layer 2, filter layer 3, water penetration salt discharge passage and plastic blind-ditch 5 set gradually from top to bottom, and plastic blind-ditch 5 is arranged near saline and alkaline stratum 7; Collection salt well 8 extends to saline and alkaline stratum 7 by plantation layer 1, and water penetration salt discharge passage with collect salt well 8 and be communicated with and arrange; The inside of filter layer 3 is provided with multiple drainpipe 31, the two ends of each drainpipe 31 respectively with nonwoven layer 2 and water penetration salt discharge channel connection; Pump drainage mechanism is communicated with collection salt well 8, for being extracted out by the saline-alkali water in collection salt well 8.
The native ball of trees to be planted is embedded in plantation layer 1, and in plantation layer 1, the content of soil can be prepared according to different trees kinds; And edaphic shape is determined by the shape of greenbelt.
Nonwoven layer 2 is made up of non-woven fabrics, and non-woven fabrics is a kind of environment-friendly materials, has protection against the tide, ventilative, feature more capable of circulation, this saline land desalting system just making the present embodiment provide has good water-permeable and air permeable, and the feature of reusable edible, can also reduce cost.
The Main Function of filter layer 3 is drainings, therefore, everyly the structure of draining can form the filter layer 3 that the present embodiment provides; The material of composition filter layer 3 has a variety of selection, such as: haydite, coarse sand, rubble, sand gravel, cinder or medical stone, etc.; Certainly can be the one of above-mentioned substance, also can be the combination of many kinds of substance.
As the preferred scheme of one, particularly, medical stone is adopted to be piled into filter layer 3; Medical stone is a kind of to biological nontoxic, harmless and have bioactive complex mineral rock, medical stone main chemical compositions is inorganic silicon-aluminum hydrochlorate, and, medical stone has stronger adsorption capacity to harmful elements such as cadmium, mercury, lead, can play a part must purify water to a certain extent.
In the inside of filter layer 3, multiple drainpipe 31 is set, drainpipe 31 is arranged in the inside of filter layer 3 equably, one end is communicated with plantation layer 1, and the other end is communicated with gas permeability salt discharge passage 4, and drainpipe 31 can be inclined at the inside of filter layer 3 in order to draining better.
Particularly, the material making drainpipe 31 can have multiple choices, UPVC (hard PVC, PVC:Polyvinylchloride, polyvinyl chloride) or bamboo, etc.The resistance of UPVC self to current is less, therefore, it is possible to guarantee hydrophobic unobstructed.
Water penetration salt discharge passage refers to and can ensure saline-alkali water freely by the passage of its perisporium, and therefore, every structure that can function as described above, can as the water penetration salt discharge passage of the present embodiment indication; Water penetration salt discharge passage is communicated with collection salt well 8, saline-alkali water can be disposed in collection salt well 8.
The Main Function of collection salt well 8 stores the saline-alkali water come by water penetration salt discharge passage, pump drainage mechanism is connected with collection salt well 8, saline-alkali water in collection salt well 8 can be pumped out the inside of collection salt well 8, saline-alkali water is avoided to enter plantation layer 1, increase the saline and alkaline of plantation layer 1, and then affect the survival rate of nursery stock.
Plastic blind-ditch 5 is made up of the external parcel filter cloth of plastic core, there are the various structures forms such as rectangle, middle empty matrix, circular hollow circle, there is the advantages such as surperficial percent opening is high, catchmenting property good, voidage is large, drainage is good, resistance to pressure is good, flexible, adaptation soil deformation, good endurance, easy construction.
The saline land desalting system that the present embodiment provides, comprise the plantation layer 1, nonwoven layer 2, filter layer 3, water penetration salt discharge passage, collection salt well 8 and the plastic blind-ditch 5 that set gradually from top to bottom, wherein plastic blind-ditch 5 is arranged near saline and alkaline stratum 7, collection salt well 8 extends to saline and alkaline stratum 7 by plantation layer 1, water penetration salt discharge passage is communicated with collection salt well 8, saline-alkali water can be discharged in collection salt well 8; And inside filter layer 3, be provided with multiple drainpipe 31, be used for draining; And is communicated with is provided with pump drainage mechanism with collection salt well 8, the saline-alkali water pump drainage collected in salt well 8 can be gone out; Adopt said structure, nonwoven layer 2, filter layer 3 and drainpipe 31 can guarantee that the soil of planting layer 1 has good ventilative water permeability; Gas permeability salt discharge passage 4, collection salt well 8 and plastic blind-ditch 5 can stop the saline-alkali water inverse osmosis in saline and alkaline stratum 7 to planting in layer 1, thus the growth of plant in layer 1 is planted in impact; Saline-alkali water pump drainage in collection salt well 8 can be gone out by pump drainage mechanism timely, in case these saline-alkali waters pollute plantation layer 1.
On the basis of above-described embodiment, particularly, pump drainage mechanism comprises drawing liquid pump and tube connector, and one end of tube connector is communicated with the inside of collection salt well 8, and the other end is connected with drawing liquid pump.
Tube connector is specifically arranged on the bottom of collection salt well 8, and the saline-alkali water in collection salt well 8 can be guaranteed so all to discharge; Certain tube connector also can be arranged on other position, as long as can guarantee that collecting saline-alkali water residual in salt well 8 can not enter plantation layer 1, such as: tube connector is arranged on collection salt well 8 inside and the isoplanar position of filter layer 3 lower limb.
On the basis of above-described embodiment, particularly, as shown in Figure 3, water penetration salt discharge passage is salt discharging pipe 41, salt discharging pipe 41 is evenly distributed with multiple through hole 411, and saline-alkali water can enter salt discharging pipe 41 by through hole 411.Salt discharging pipe 41 is set between plastic blind-ditch 5 and filter layer 3, simple, convenient, quick, the time needed for construction can be shortened significantly.
On the basis of above-described embodiment, particularly, through hole 411 is provided with filter screen.Through hole 411 arranges filter screen, avoids the impurity of large grained to enter salt discharging pipe 41, thus blocking salt discharging pipe 41; After salt discharging pipe 41 is blocked, saline-alkali water will infiltrate plantation layer 1, thus affects the growth of nursery stock.
On the basis of above-described embodiment, particularly, the surrounding of salt discharging pipe 41 is equipped with fine sand.Owing to being also provided with plantation layer 1 and filter layer 3 above salt discharging pipe 41, therefore, salt discharging pipe 41 can bear larger pressure, so, when laying salt discharging pipe 41, fine sand can be laid in the surrounding of salt discharging pipe 41, thus preventing salt discharging pipe 41 by pressure break.
On the basis of above-described embodiment, particularly, water penetration salt discharge passage is salt discharge closed conduit, and salt discharge closed conduit is provided with cover plate near the side of filter layer 3; And window is provided with on the sidewall of salt discharge closed conduit, window is provided with barrier.
Salt discharge closed conduit can be formed by brick, can guarantee that salt discharge closed conduit has good intensity like this, can bear larger pressure; In order to avoid the sidewall of salt discharge closed conduit is corroded by saline-alkali water, therefore, can the cement of brushing salt tolerant buck on the sidewall of salt discharge closed conduit.
On the basis of above-described embodiment, particularly, as shown in Figure 2, the quantity of gas permeability salt discharge passage 4 and collection salt well 8 is multiple, multiple gas permeability salt discharge passage 4 interlaced arrangement forms gridiron, and multiple collection salt well 8 is separately positioned on the infall of two gas permeability salt discharge passages 4.
Because general green land area is all larger, therefore, in order to saline-alkali water can be discharged better, guarantee to plant layer 1 not by the pollution of saline-alkali water, multiple ventilative salt discharge passage and multiple collection salt well 8 are set at a green land, adopt this kind of mode can more in time, unimpededly by saline-alkali water import in each collection salt well 8; And, also avoid the gas permeability salt discharge passage 4 that setting is longer.
On the basis of above-described embodiment, particularly, also comprise reed layer 6, reed layer 6 is arranged between plastic blind-ditch 5 and saline and alkaline stratum 7.
Reed layer 6 directly contacts with saline and alkaline stratum 7, reed can absorb saline-alkali water, can purify water, improve soil, and its leaf, leaf sheath, stem, root-like stock and adventive root all have aerenchyma, can ensure that the saline land desalting system that the present embodiment provides has good gas permeability.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a saline land desalting system, is characterized in that, comprising: plantation layer, nonwoven layer, filter layer, water penetration salt discharge passage, collection salt well, plastic blind-ditch and pump drainage mechanism; Described plantation layer, described nonwoven layer, described filter layer, described water penetration salt discharge passage and described plastic blind-ditch set gradually from top to bottom, and described plastic blind-ditch is arranged near saline and alkaline stratum;
Described collection salt well extends to described saline and alkaline stratum by described plantation layer, and described water penetration salt discharge passage is communicated with described collection salt well and arranges; The inside of described filter layer is provided with multiple drainpipe, the two ends of each described drainpipe respectively with described nonwoven layer and described water penetration salt discharge channel connection; Described pump drainage mechanism is communicated with described collection salt well, for being extracted out by the saline-alkali water in described collection salt well.
2. saline land according to claim 1 desalting system, is characterized in that, described pump drainage mechanism comprises drawing liquid pump and tube connector, and one end of described tube connector is communicated with the inside of described collection salt well, and the other end is connected with described drawing liquid pump.
3. saline land according to claim 1 desalting system, is characterized in that, described filter layer comprises haydite, coarse sand, rubble, sand gravel, cinder or medical stone.
4. saline land according to claim 1 desalting system, is characterized in that, the material of described drainpipe is bamboo or UPVC.
5. saline land according to claim 1 desalting system, is characterized in that, described water penetration salt discharge passage is salt discharging pipe, and described salt discharging pipe is evenly distributed with multiple through hole, and saline-alkali water can enter described salt discharging pipe by described through hole.
6. saline land according to claim 5 desalting system, is characterized in that, described through hole is provided with filter screen.
7. saline land according to claim 5 desalting system, is characterized in that, the surrounding of described salt discharging pipe is equipped with fine sand.
8. saline land according to claim 1 desalting system, is characterized in that, described water penetration salt discharge passage is salt discharge closed conduit, and described salt discharge closed conduit is provided with cover plate near the side of described filter layer; And window is provided with on the sidewall of described salt discharge closed conduit, described window is provided with barrier.
9. saline land according to claim 1 desalting system, it is characterized in that, the quantity of described gas permeability salt discharge passage and described collection salt well is multiple, multiple described gas permeability salt discharge passage interlaced arrangement forms gridiron, and multiple described collection salt well is separately positioned on the infall of two described gas permeability salt discharge passages.
10. the saline land desalting system according to any one of claim 1-9, is characterized in that, also comprises reed layer, and described reed layer is arranged between described plastic blind-ditch and described saline and alkaline stratum.
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| CN106105459A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of root control salt method using Carapax Eriocheir sinensis filter layer and the application in the plantation of mountain China fir in salt-soda soil thereof |
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| CN106134709A (en) * | 2016-06-30 | 2016-11-23 | 山东胜伟园林科技有限公司 | A kind of root control salt method using phragmites communis charcoal filter layer and the application in salt-soda soil Fructus Corni is planted thereof |
| CN106105462A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of root control salt method using haydite filter layer and the application in salt-soda soil Melia azedarach L. is planted thereof |
| CN106368191A (en) * | 2016-08-29 | 2017-02-01 | 山东胜伟园林科技有限公司 | Collector pipe embedding structure for saline-alkali land soil improving |
| CN106385826A (en) * | 2016-08-29 | 2017-02-15 | 山东胜伟园林科技有限公司 | Salt pressing and discharging system for Hetao irrigation area saline-alkali land |
| CN106385834A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | System for water-saving irrigation and salt discharge in saline-alkali land |
| CN106358941A (en) * | 2016-08-31 | 2017-02-01 | 山东胜伟园林科技有限公司 | Method for planting pyrus betulaefolia for saline-alkali land natural soil planting by use of rooting agent containing verbena extract |
| 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 |
| CN106376271A (en) * | 2016-08-31 | 2017-02-08 | 杭州中艺生态环境工程有限公司 | Method for continuously improving saline-alkali soil |
| CN106818280A (en) * | 2017-01-19 | 2017-06-13 | 北京乾景园林股份有限公司 | A kind of salt-soda soil arbor planting bed |
| CN106973747A (en) * | 2017-03-30 | 2017-07-25 | 刘国利 | A kind of method that use container transplants Chinese ash every alkali in salt-soda soil |
| CN110100518A (en) * | 2019-05-25 | 2019-08-09 | 天津市海岸盐碱地生态绿化工程有限公司 | A kind of comprehensive improving method for coastal saline soil |
| CN110100518B (en) * | 2019-05-25 | 2022-03-18 | 天津泰达园林建设有限公司 | Comprehensive improvement method for seashore saline soil |
| CN111903269A (en) * | 2020-08-17 | 2020-11-10 | 盐城工学院 | A drainage desalination system for saline and alkaline land improvement |
| CN113207345A (en) * | 2021-05-18 | 2021-08-06 | 中国科学院东北地理与农业生态研究所 | Saline-alkali soil improvement method for salt discharge by covering sand pipes |
| CN113366943A (en) * | 2021-06-02 | 2021-09-10 | 山东世鑫建设工程有限公司 | Undercurrent landscape saline-alkali soil greening system based on river |
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