CN213029147U - Salt leaching and discharging system for saline-alkali soil protection forest - Google Patents
Salt leaching and discharging system for saline-alkali soil protection forest Download PDFInfo
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- CN213029147U CN213029147U CN202021143875.4U CN202021143875U CN213029147U CN 213029147 U CN213029147 U CN 213029147U CN 202021143875 U CN202021143875 U CN 202021143875U CN 213029147 U CN213029147 U CN 213029147U
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Abstract
The utility model discloses a saline and alkaline land protection is drip washing salt elimination system for forest, including the tank, tank pipe connection is to row's salt district, it is connected with reverse osmosis unit to arrange the salt district, and inner tube and outer tube are equipped with a plurality of holes of permeating water respectively, and the cladding of the salt branch pipe outside of arranging has the non-woven fabrics layer, the outer tube upper end is equipped with the air pump, the air pump with the working pump electricity is connected with control system. The non-woven fabrics layer can adsorb the water of leaching of infiltration, then permeate water the hole through first hole and the second of permeating water on outer tube and the inner tube and get into the inner tube and flow along the rivers direction through the inner tube, collect and unified the processing through the collector pipe at last, retrieve, the air pump can be gone into gas to the intracavity pump through the inlet port, control system can control the air pump and last or the interval is opened, gas can promote the water of leaching on the one hand and remove along the rivers direction, also can play the effect of mediation to first hole of permeating water simultaneously, prevent that first hole of permeating water from blockking up, the life and the result of use of equipment have been increased.
Description
Technical Field
The utility model relates to a saline and alkaline land transformation field, concretely relates to salt system is arranged with drip washing in saline and alkaline land protection forest.
Background
Saline-alkali land is a general term for saline land and alkaline land. The saline soil mainly refers to saline soil with high chloride or sulfate content, and the soil is alkaline but not necessarily high in pH value. The alkaline land refers to soil containing carbonate or heavy phosphate, the pH value is high, and the soil is alkaline. The saline-alkali soil has the advantages of low organic matter content, low soil fertility, poor physical and chemical properties, more anions and cations harmful to crops, and difficult seedling promotion of the crops. The area of the saline-alkali soil all over the world is 9.5438 hundred million hectares, wherein 9913 million hectares are in China.
The formation of alkali land and alkalized soil in China is mostly related to the accumulation of carbonate in the soil, so that the alkalization degree is generally high, plants in severe saline-alkali land areas can hardly survive, the 'twelve five' plan of national forestry development proposes to build a coastal protection forest system, and strives to build a green ecological barrier which mainly takes forest and grass vegetation, is reasonable in layout, stable in structure and complete in function. On one hand, the method can effectively resist typhoon and sea wave invasion, restrain the harm of 'wind moving saline soil' and create a good ecological environment for coastal areas.
The salinization of land is an ecological problem in the world, the salinization degree of land in the world is obviously increased at present, how to create an environment suitable for the growth of a protection forest is a very important problem in front of us, and the existing saline-alkali land salt removing equipment generally has the problems of high maintenance cost, short service life caused by easy blockage of a pipeline, waste caused by direct discharge of leaching water and the like.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the leaching salt-removing system for the saline-alkali soil protection forest is provided, a salt-removing pipeline is not easy to block in the using process, the pipeline dredging function is realized, the leaching water can be recycled after being treated, and the cost is greatly saved.
In order to solve the technical problem, the technical scheme of the utility model is that:
the leaching salt elimination system for the saline-alkali soil protection forest comprises a water storage tank, wherein the water storage tank is connected to a salt elimination area through a pipeline, the salt elimination area comprises a planting layer and a leaching isolation layer which are sequentially arranged on a saline-alkali soil layer from top to bottom, and a plurality of salt elimination branch pipes are laid inside the saline-alkali soil layer along the water flow direction;
the salt discharge branch pipes are connected to a water collecting pipe, a pipeline of the water collecting pipe is connected with a reverse osmosis device, a fresh water outlet of the reverse osmosis device is connected to the water storage tank through a water supply pump pipeline, and a concentrated water outlet of the reverse osmosis device is connected to a salt solarization tank;
the salt discharging branch pipe comprises an inner pipe, a plurality of outer pipes arranged at intervals are sleeved outside the inner pipe, a plurality of first water permeable holes and second water permeable holes are formed in the inner pipe and the outer pipe respectively, a non-woven fabric layer is wrapped outside the salt discharging branch pipe, two ends of the outer pipe are sealed, a cavity is formed between the outer pipe and the inner pipe, an air inlet pipe is arranged at the upper end of the outer pipe, and the air inlet pipe penetrates through the planting layer upwards and is connected with an air pump;
the air pump and the water supply pump are electrically connected with a control system.
As a preferable technical scheme, the air pump is connected with a pressure reducing valve, and the pressure reducing valve is electrically connected with the control system.
As preferred technical scheme, the opening direction of first hole of permeating water sets up along rivers direction slope, the contained angle of the opening direction of first hole of permeating water and horizontal direction is 30 ~ 60.
As a preferred technical scheme, the interval distance between adjacent outer tubes arranged on the same inner tube at intervals is 30-60 cm.
As a preferred technical scheme, the arrangement distance between the adjacent inner pipes is 13-16 m.
As a preferable technical scheme, the slope drop of the salt discharging branch pipe is 0.08-0.21%.
As an improved technical scheme, a filter material layer is arranged on the outer side of the salt discharge branch pipe in the circumferential direction.
As a preferred technical scheme, the filter material layer is a straw layer or a gravel layer.
As an improved technical scheme, the inner pipe is provided with a plurality of water flow sensors, and the water flow sensors are electrically connected with the control system.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a salt system is arranged in drip washing of saline and alkaline land protection forest, including the tank, the tank pipe connection is to arranging the salt district, arrange the salt district and include from last planting layer and separate and drench the layer that sets gradually on saline and alkaline soil layer down, saline and alkaline soil layer inside has laid a plurality of salt discharge branch pipes along the rivers direction; the salt discharge branch pipes are connected to a water collecting pipe, a pipeline of the water collecting pipe is connected with a reverse osmosis device, a fresh water outlet of the reverse osmosis device is connected to the water storage tank through a water supply pump pipeline, and a concentrated water outlet of the reverse osmosis device is connected to a salt solarization tank; the salt discharging branch pipe comprises an inner pipe, a plurality of outer pipes arranged at intervals are sleeved outside the inner pipe, a plurality of first water permeable holes and second water permeable holes are formed in the inner pipe and the outer pipe respectively, a non-woven fabric layer is wrapped outside the salt discharging branch pipe, two ends of the outer pipe are sealed, a cavity is formed between the outer pipe and the inner pipe, an air inlet pipe is arranged at the upper end of the outer pipe, and the air inlet pipe penetrates through the planting layer upwards and is connected with an air pump; the air pump and the water supply pump are electrically connected with a control system. The non-woven fabrics layer can adsorb the water of leaching of infiltration, then permeate water the hole through first hole and the second of permeating water on outer tube and the inner tube and get into the inner tube and flow along the rivers direction through the inner tube, collect and unified the processing through the collector pipe at last, retrieve, the air pump can be gone into gas to the intracavity pump through the inlet port, control system can control the air pump and last or the interval is opened, gas can promote the water of leaching on the one hand and remove along the rivers direction, also can play the effect of mediation to first hole of permeating water simultaneously, prevent that first hole of permeating water from blockking up, the life and the result of use of equipment have been increased.
The utility model discloses a arrange salt branch pipe outside circumference and be equipped with the precoat, can filter in advance the water that gets into first hole and the second hole of permeating water, prevent to block up the salt branch pipe.
The inner pipe is provided with a plurality of water flow sensors, the water flow sensors are electrically connected with the control system, whether the salt discharging branch pipe is blocked and the specific blocked position can be confirmed through signals fed back by the water flow sensors, excavation and dredging can be performed in a targeted mode, and time is saved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the salt discharge manifold of FIG. 1;
wherein: 1. a water storage tank; 2. a salt discharge area; 3. planting a layer; 4. a leaching isolation layer; 5. a saline alkali soil layer; 6. a non-woven fabric layer; 7. an inner tube; 71. a first water permeable hole; 8. an outer tube; 81. a second water permeable hole; 82. an air inlet pipe; 9. a reverse osmosis unit; 10. a water supply pump; 11. a salt drying pool; 12. a water collection pipe; 13. an air pump.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1 and 2, saline and alkaline land protection forest arranges salt system with drip washing, including tank 1, 1 pipe connection of tank is to row salt district 2, it includes from last planting layer 3 that down sets gradually on saline and alkaline soil layer 5 and separates and drench layer 4 to arrange salt district 2, saline and alkaline soil layer 5 is inside to have laid a plurality of row salt branch pipes along the rivers direction, it adopts to lay the non-woven fabrics and does to separate and drench the material to separate to drench layer 4 to separate, and the surface infiltration of being convenient for is discharged under the ground, cuts off the hollow billet, prevents groundwater and removes to the earth's surface through the hollow billet, and then prevents that the salt from rising formation earth's surface along with the groundwater and returning.
It is a plurality of arrange salt branch connection to collector pipe 12, collector pipe 12 pipe connection has reverse osmosis unit 9, reverse osmosis unit 9's fresh water delivery port passes through feed pump 10 pipe connection to reservoir 1, reverse osmosis unit 9's dense water delivery port is connected to and shines salt pond 11, and is a plurality of in this embodiment arrange the salt branch pipe adopt the quadrature net type with collector pipe 12 links to each other, the slope of arranging the salt branch pipe is 0.08 ~ 0.21%, and the water of being convenient for flows along the slope direction.
Arrange salt branch pipe and include inner tube 7, the outer tube 8 that the 7 overcoat in inner tube was equipped with a plurality of intervals and sets up, inner tube 7 with outer tube 8 is equipped with a plurality of first holes 71 and the second holes 81 of permeating water respectively, it has non-woven fabrics layer 6 to arrange salt branch pipe outside cladding, the both ends of outer tube 8 are sealed, outer tube 8 with be equipped with the cavity between the inner tube 7, outer tube 8 passes through non-woven fabrics layer 6 and the 5 direct contact formation airtight structure in saline and alkaline soil layer, the 8 upper ends of outer tube are equipped with intake pipe 82, intake pipe 82 upwards wears out plant layer 3 and be connected with air pump 13, and this embodiment adopts the connected mode that an air pump 13 corresponds a plurality of intake pipe 82, has practiced thrift the cost under the prerequisite of guaranteeing.
The air pump 13 and the water supply pump 10 are electrically connected with a control system.
The outlet of the air pump 13 is connected with a pressure reducing valve, a pneumatic valve is arranged behind the pressure reducing valve, the pressure reducing valve is electrically connected with the control system, the first water permeable hole 71 is obliquely arranged along the water flow direction, the included angle between the first water permeable hole 71 and the horizontal direction is 45, and the air inflow can be adjusted by adjusting the pressure reducing valve, so that the first water permeable hole 71 and the salt discharge branch pipe can be dredged by soft water blowing and instantaneous large air quantity, the water flow is driven by air to move along the included angle direction in a soft water blowing mode, the water collection is accelerated, and the possibility of pipeline blockage is greatly reduced; the first water permeable hole 71 and the salt discharge branch pipe are dredged by instant acting force during instant large air quantity.
Taking the Weifang coastal area saline-alkali soil as an example, considering specific landform, the distance between the adjacent outer pipes 8 on the same inner pipe 7 is 40cm, the distance between the adjacent inner pipes 7 is 14m, and the cost is saved to the greatest extent on the premise of ensuring the salt elimination effect.
Arrange salt branch outside circumference and be equipped with the precoat, the preferable straw layer of precoat, the soil that the straw layer initial stage can effectual prevention granule gets into and arranges salt branch, can form stable drainage layer around the pipeline after rotting for 2 ~ 3 years, can guarantee normal drainage function, and the straw is relatively friendly to the environment simultaneously, and the later stage need not handle alone.
Inner tube 7 is equipped with a plurality of rivers sensors, rivers sensor electricity is connected control system, the signal through rivers sensor transmission can the very first time discover arrange the salt branch pipe probably take place the possibility of jam and take place the position of jam, then control nearest air pump and carry out the atmospheric pressure mediation, if the mediation unsuccessful mode that can adopt the manual work to excavate is dredged the jam pipeline, very big reduction work load and operating time, improved efficiency.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (9)
1. Saline and alkaline land protection is drip washing salt discharging system for forest, including the tank, its characterized in that: the water storage tank is connected to a salt discharge area through a pipeline, the salt discharge area comprises a planting layer and a spraying isolation layer which are sequentially arranged on a saline-alkali soil layer from top to bottom, and a plurality of salt discharge branch pipes are laid in the saline-alkali soil layer along the water flow direction;
the salt discharge branch pipes are connected to a water collecting pipe, a pipeline of the water collecting pipe is connected with a reverse osmosis device, a fresh water outlet of the reverse osmosis device is connected to the water storage tank through a water supply pump pipeline, and a concentrated water outlet of the reverse osmosis device is connected to a salt solarization tank;
the salt discharging branch pipe comprises an inner pipe, a plurality of outer pipes arranged at intervals are sleeved outside the inner pipe, a plurality of first water permeable holes and second water permeable holes are formed in the inner pipe and the outer pipe respectively, a non-woven fabric layer is wrapped outside the salt discharging branch pipe, two ends of the outer pipe are sealed, a cavity is formed between the outer pipe and the inner pipe, an air inlet pipe is arranged at the upper end of the outer pipe, and the air inlet pipe penetrates through the planting layer upwards and is connected with an air pump;
the air pump and the water supply pump are electrically connected with a control system.
2. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: the air pump is connected with a pressure reducing valve, and the pressure reducing valve is electrically connected with the control system.
3. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: the first opening direction in the hole of permeating water sets up along rivers direction slope, the first opening direction in the hole of permeating water is 30 ~ 60 with the contained angle of horizontal direction.
4. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: the interval distance between the adjacent outer tubes arranged on the same inner tube at intervals is 30-60 cm.
5. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: the arrangement distance between adjacent inner pipes is 13-16 m.
6. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: the slope of the salt discharge branch pipe is 0.08-0.21%.
7. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: and a filter material layer is arranged on the outer side of the salt discharge branch pipe in the circumferential direction.
8. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 7, wherein: the filter material layer is a straw layer or a gravel layer.
9. The leaching and salt-removing system for the saline-alkali soil protection forest as claimed in claim 1, wherein: the inner pipe is provided with a plurality of water flow sensors, and the water flow sensors are electrically connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143875.4U CN213029147U (en) | 2020-06-17 | 2020-06-17 | Salt leaching and discharging system for saline-alkali soil protection forest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143875.4U CN213029147U (en) | 2020-06-17 | 2020-06-17 | Salt leaching and discharging system for saline-alkali soil protection forest |
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| Publication Number | Publication Date |
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| CN213029147U true CN213029147U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021143875.4U Active CN213029147U (en) | 2020-06-17 | 2020-06-17 | Salt leaching and discharging system for saline-alkali soil protection forest |
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| CN (1) | CN213029147U (en) |
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