CN210168426U - Be used for saline and alkaline discharge system of coastal saline and alkaline land - Google Patents
Be used for saline and alkaline discharge system of coastal saline and alkaline land Download PDFInfo
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- CN210168426U CN210168426U CN201920770217.9U CN201920770217U CN210168426U CN 210168426 U CN210168426 U CN 210168426U CN 201920770217 U CN201920770217 U CN 201920770217U CN 210168426 U CN210168426 U CN 210168426U
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Abstract
The utility model discloses a saline-alkali discharge system for coastal saline-alkali land, belonging to the technical field of soil improvement, which is characterized in that a plurality of salt discharge ditches are dug in soil, salt discharge wells are arranged in the salt discharge ditches, and the bottoms of the salt discharge wells are communicated with a drain pipe; a coarse sand cushion layer is arranged around the salt discharge well, a salt discharge pipe is arranged in the coarse sand cushion layer, the salt discharge pipe is communicated with a water collecting pipe, and the water collecting pipe is arranged lower than the salt discharge pipe; the outside of the salt discharge pipe is sleeved with a fixed pipe, and the fixed pipe is provided with a water permeable hole. The fixed pipe that has the hole of permeating water is established to outside cover at the salt discharge pipe, can play the effect of protection to the salt discharge pipe, prevents salt discharge pipe compressive deformation, and the hole of permeating water on the fixed pipe simultaneously can filter the earth and the gravel that mix with in the aquatic, prevents that salt discharge pipe from blockking up. The saline-alkali discharge system for the coastal saline-alkali soil has the advantages of high salt discharge capacity, long lasting time and the like.
Description
Technical Field
The utility model relates to a technical field of soil improvement, in particular to be used for saline and alkaline discharge system in coastal saline and alkaline land.
Background
Saline-alkali soil refers to soil which is high in salt content and difficult for plants to grow. With the rapid development of economy, the developable land of coastal areas is gradually reduced, in order to expand development space, a lot of areas aim at the original mudflat areas without people to ask for much attention, but because the coastal mudflats are relatively scare and have poor environment and are not beneficial to the lasting development of economy, the areas need to be greened and beautified to improve the environment in order to create better economic environment. Because the coastal beach area has poor soil quality, shallow underground water burial, serious alkali-resistant condition and is not beneficial to the growth of green seedlings, the greening can obtain long-term good effect only by adopting measures of improving soil and removing alkali.
The prior Chinese patent application with the reference of the publication number of CN201830631U discloses a saline-alkali soil greening salt elimination system, which comprises a saline-alkali isolation layer, a salt elimination pipe, an isolation layer, a drenching layer, a planting soil layer and a salt elimination well. Saline and alkaline isolation layer, salt discharge pipe, interlayer, drench the layer, plant the soil layer and distribute in proper order in treating the saline and alkaline land underground each layer of afforestation from the bottom to the upper strata, and the salt discharge well evenly distributed is in the saline and alkaline land area. However, most of the salt discharge pipes used in the prior art are made of plastic materials, and are easily deformed by pressure when being buried in the ground, and the special permeable corrugated 32mm salt discharge pipe adopted in the patent is more easily deformed by pressure, so that the salt discharge effect is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a be used for saline and alkaline discharge system of coastal saline and alkaline land to reach and prevent that salt discharging pipe pressurized warp, prevent that salt discharging pipe from blockking up, make saline and alkaline discharge system of coastal saline and alkaline land have the salt discharging ability height, effect such as lasting time is long.
The above technical purpose of the present invention can be achieved by the following technical solutions: a saline-alkali discharge system for coastal saline-alkali soil is characterized in that a plurality of salt discharge ditches are dug in a soil body, salt discharge wells are arranged in the salt discharge ditches, and the bottoms of the salt discharge wells are communicated with a water discharge pipe; a coarse sand cushion layer is arranged around the salt discharge well, a salt discharge pipe is arranged in the coarse sand cushion layer, the salt discharge pipe is communicated with a water collecting pipe, and the water collecting pipe is arranged lower than the salt discharge pipe; the outside of the salt discharge pipe is sleeved with a fixed pipe, and the fixed pipe is provided with a water permeable hole.
Through adopting above-mentioned scheme, establish the fixed pipe that has the hole of permeating water at the outside cover of salt discharging pipe, fixed pipe is made for the material of hard material, can play the effect of protection to salt discharging pipe, prevents that salt discharging pipe pressurized deformation, and the hole of permeating water on the fixed pipe can filter the earth and the gravel and sand that the aquatic mix with, reduces the risk that salt discharging pipe blockked up.
The utility model discloses further set up to: the salt discharge pipe is a special permeable corrugated salt discharge pipe.
Through adopting above-mentioned scheme, the kind of preferred row salt pipe can further increase the row salt performance of row salt pipe, improves holistic row salt system's row salt effect.
The utility model discloses further set up to: the salt discharge ditch comprises a planting soil layer at the top and an isolation layer at the bottom, and a coarse sand cushion layer is arranged between the planting soil layer and the isolation layer.
Through adopting above-mentioned scheme, the primary function of isolation layer is that the salinity that prevents salt drain ditch below rises, and some saline and alkaline tolerant plants, the afforestation environment can be planted to the planting soil layer.
The utility model discloses further set up to: and a permeable layer is arranged between the planting soil layer and the coarse sand cushion layer.
The utility model discloses further set up to: the permeable layer comprises geotextile.
Through adopting above-mentioned scheme, the permeable bed selects uses the geotechnological cloth, can make water pass through smoothly, blocks simultaneously that earth gravel and sand passes through, reduces in the gap of the coarse grit of soil infiltration coarse sand bed course.
The utility model discloses further set up to: and a fast flow layer is arranged between the planting soil layer and the permeable layer.
By adopting the scheme, the gap of the fast flowing layer is large, so that rainwater permeating from the top surface of the drainage pit can be stored, and the rainwater can flow through the fast flowing layer.
The utility model discloses further set up to: the fast flow layer comprises coarse gravel.
By adopting the scheme, the coarse gravel is used for filling the fast flow layer, so that the effect of the fast flow layer can be further improved.
The utility model discloses further set up to: and filter screens are arranged on the two adjacent vertical sides of the salt discharge ditch and the soil body.
The utility model discloses further set up to: the filter screen comprises a stainless steel iron screen.
Through adopting above-mentioned scheme, set up the filter screen and select for use the filter screen to be stainless steel iron mesh, can make water permeate through smoothly, can also reduce earth grit and pass through, reduce the influence of earth grit to each layer that sets up in the salt discharge ditch.
The utility model discloses further set up to: the salt removing well is characterized in that an activated carbon plate for sealing a salt removing well channel is arranged in the salt removing well, a vent hole is formed in the activated carbon plate, the activated carbon plate is hinged to the inner wall of the salt removing well so that the activated carbon plate can be overturned to remove the sealing of the salt removing well channel, and a hinged shaft is eccentrically arranged so that the activated carbon plate can be automatically restored to the original position. Through adopting above-mentioned scheme, the rainwater can flow in the salt well back of arranging through the hole on the well lid, because the activated carbon plate bears the weight inequality of water and takes place the reversal in the axis direction of axis of rotation and open the salt well of arranging, makes the rainwater flow through smoothly and arranges the discharge through the drain pipe behind the salt well. When rainwater does not flow into the salt discharge well through the well cover, the axis of the activated carbon plate is vertical to the axis of the salt discharge well to close the salt discharge well. The peculiar smell that returns upward in the drain pipe can be absorbed to the active carbon, reduces the peculiar smell in arranging salt well and the drain pipe and gives off, alleviates the influence to the pedestrian. In addition, the activated carbon plate is provided with vent holes, so that gases such as methane in a drain pipe and a salt discharge well can be conveniently released.
To sum up, the utility model discloses following beneficial effect has: the fixed pipe that has the hole of permeating water is established to outside cover at the salt discharge pipe, can play the effect of protection to the salt discharge pipe, prevents salt discharge pipe compressive deformation, and the hole of permeating water on the fixed pipe simultaneously can filter the earth and the gravel that mix with in the aquatic, prevents that salt discharge pipe from blockking up. The saline-alkali discharge system for the coastal saline-alkali soil has the advantages of high salt discharge capacity, long lasting time and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
fig. 3 is an enlarged schematic view of an activated carbon plate.
Reference numerals: 1. a soil body; 11. a drain pipe; 12. filtering with a screen; 2. a salt discharge ditch; 3. a salt draining well; 31. a well cover; 32. a rotating shaft; 33. an activated carbon plate; 331. a vent hole; 332. rotating the hole; 4. a salt discharge pipe; 41. a water collecting pipe; 5. a fixed tube; 51. water permeable holes; 6. an isolation layer; 7. a coarse sand cushion layer; 8. a water permeable layer; 9. a fast flow layer; 10. and (5) planting a soil layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A saline-alkali discharge system for coastal saline-alkali soil comprises a salt discharge well 3 with an opening at the top end, wherein the bottom of the salt discharge well 3 is communicated with a drain pipe 11, and an isolation layer 6, a coarse sand cushion layer 7, a permeable layer 8, a fast flow layer 9 and a planting soil layer 10 are sequentially filled around the salt discharge well 3 from bottom to top; a salt discharge pipe 4 is arranged in the coarse sand cushion 7, and the salt discharge pipe 4 is communicated with the salt discharge well 3.
A salt discharge ditch 2 is arranged in the soil body 1. The cross section of the salt discharge ditch 2 is rectangular, and the drain pipe 11 is positioned at the bottom of the salt discharge ditch 2. The vertical two sides of the salt discharge ditch 2 adjacent to the soil body 1 are provided with filter screens 12.
A salt discharge well 3 is arranged in the salt discharge ditch 2. The salt discharge well 3 is in a long cylinder shape, the axis is vertically arranged, and the bottom of the salt discharge well 3 is communicated with the drain pipe 11. The height of the salt discharge well 3 is 2m, the inner diameter is 1m, and the outer diameter is 1.2 m. The top opening part of the salt discharge well 3 is covered with a well cover 31, and the well cover 31 is provided with two through holes.
Referring to fig. 2, the inner wall of the salt discharge well 3 is provided with two rotating shafts 32, and the two rotating shafts 32 are symmetrically arranged along the axis of the salt discharge well 3. The rotating shaft 32 is cylindrical, the axis of the rotating shaft is perpendicular to the axis of the salt discharge well 3, and one end far away from the center of the salt discharge well 3 is fixedly connected with the inner side wall of the salt discharge well 3.
Referring to fig. 2 and 3, an activated carbon plate 33 is provided in the inner wall of the salt discharge well 3. The activated carbon plate 33 is in a flat circular truncated cone shape, and the axis thereof is superposed with the axis of the salt discharge well 3 in a non-drainage state. The top surface of the activated carbon plate 33 is perforated with a plurality of vent holes 331 which are uniformly distributed.
A rotating hole 332 into which the rotating shaft 32 is inserted is formed in the circumferential side wall of the activated carbon plate 33, and the rotating hole 332 is eccentrically arranged so that the activated carbon plate automatically restores to the original position; the activated carbon plate 33 is rotatably connected to the rotating shaft 32 such that the activated carbon plate 33 is turned inside the salt discharge well 3 to open and close the salt discharge well 3. The radius of the activated carbon plate 33 is smaller than the height from the axis of the rotating shaft 32 to the bottom surface of the cover of the salt discharge well 3, so as to ensure that the activated carbon plate 33 can be smoothly turned over.
After rainwater flows into the salt discharge well 3 through the holes in the well cover 31, the activated carbon plate 33 bears the uneven gravity of water and rotates in the axial direction of the rotating shaft 32 to open the salt discharge well 3, so that the rainwater smoothly flows through the salt discharge well 3 and then is discharged through the drain pipe 11. When rainwater does not flow into the salt discharging well 3 through the well cover 31, the axis of the activated carbon plate 33 is perpendicular to the axis of the salt discharging well 3 to close the salt discharging well 3. The active carbon can absorb the peculiar smell that returns upward in the drain pipe 11, reduces the peculiar smell in arranging salt well and the drain pipe and gives off, alleviates the influence to the pedestrian. In addition, the activated carbon plate 33 is provided with a vent 331 for facilitating the release of gases such as biogas in the drain pipe 11 and the salt discharge well 3.
An isolation layer 6 is laid below the bottom surface of the salt discharge well 3. The thickness of the isolation layer 6 is 20cm, and the used materials comprise one or more of coal cinder, stones and rock salt, so that the effect of isolating the salt ascending below the salt discharge ditch 2 is achieved.
And a coarse sand cushion layer 7 is laid on the top surface of the isolation layer 6. The thickness of the coarse sand cushion layer 7 is 20cm, and the coarse sand cushion layer is mainly composed of coarse sand and stone. A drain pipe 11 is arranged in the coarse sand cushion layer 7, one end of the drain pipe is communicated with the salt discharge well 3, and the other end of the drain pipe is communicated with an underground drainage pipeline system.
The coarse sand cushion layer 7 is internally provided with a salt discharge pipe 4. The salt discharge pipes 4 are arranged in a criss-cross mode, professional permeable corrugated 32mm salt discharge pipes are selected, and the horizontal distance is 1 m.
The salt discharge pipe 4 is communicated with a water collecting pipe 41. The water collecting pipes 41 are arranged in a crisscross manner, and the horizontal distance is 4-5 m. The water collecting pipe 41 is a UPVC gray water supply pipe with the thickness of 110mm and is communicated with the salt discharge well 3. The catchment pipe 41 should be about 10cm below the salt discharge pipe 4.
The fixed pipe 5 is sleeved on the circumferential outer wall of the salt discharge pipe 4. The fixing tube 5 is made of a hard material, such as hard plastic, and can protect the salt discharge tube 4 and prevent the salt discharge tube 4 from deforming under pressure. The body of the fixed pipe 5 extends over the water permeable holes 51.
And a permeable layer 8 is arranged on the top surface of the coarse sand cushion layer 7. The permeable layer 8 is made of water and soil engineering cloth, so that water above the permeable layer 8 in the drainage ditch can enter, and the soil is reduced to permeate into gaps of coarse gravels of the coarse sand cushion layer 7.
The top surface of the permeable layer 8 is provided with a fast flow layer 9. The thickness of the fast flow layer 9 is 30cm, and the fast flow layer is mainly composed of coarse gravel; because the clearance in the fast layer 9 of flowing is great, can make the water that the escape canal permeates down from the top surface pass through fast, can also have the effect of storage when rivers are great.
A planting soil layer 10 is arranged on the top surface of the fast flow layer 9. The thickness of the planting soil layer 10 is 50cm, and the water storage capacity of the drainage ditch is improved through the planting soil layer 10.
The utility model discloses a use as follows:
when water exists above the salt discharge pit, the water flows through the planting soil layer 10, the fast flow layer 9 and the permeable layer 8 in sequence and then carries the salt and the alkali to reach the coarse sand cushion layer 7; the saline-alkali water entering the coarse sand cushion 7 passes through the water permeable holes 51 of the fixed pipe 5 and then permeates into the salt discharge pipe 4; the salt and alkali water of the salt discharge pipe 4 is collected and then enters a water collecting pipe 41 and then flows into the salt discharge well 3; the saline-alkali water flows out from a drain pipe 11 communicated with the bottom of the salt discharge well 3. Fixed pipe 5 can play the effect of protection to arrange salt pipe 4, prevents to arrange salt pipe 4 compressive deformation, and the hole of permeating water on the fixed pipe simultaneously can filter the earth and the gravel and sand that the aquatic was mingled with, prevents to arrange salt pipe and is blockked up.
The above-mentioned embodiments are only for explaining the present invention, and it is not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A saline-alkali discharge system for coastal saline-alkali soil is characterized in that a plurality of salt discharge ditches (2) are dug in a soil body (1), salt discharge wells (3) are arranged in the salt discharge ditches (2), and the bottoms of the salt discharge wells (3) are communicated with a drain pipe (11); be provided with coarse sand bed course (7) around row salt well (3), be provided with in coarse sand bed course (7) and arrange salt pipe (4), arrange salt pipe (4) intercommunication and have catchment pipe (41), catchment pipe (41) are less than row salt pipe (4) setting, its characterized in that: the outside cover of row's salt pipe (4) is equipped with fixed pipe (5), and fixed pipe (5) are seted up and are penetrated water hole (51).
2. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 1, wherein: and the salt discharge pipe (4) is a special permeable corrugated salt discharge pipe.
3. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 1, wherein: the salt discharge ditch (2) comprises a planting soil layer (10) at the top and an isolation layer (6) at the bottom, and a coarse sand cushion layer (7) is arranged between the planting soil layer (10) and the isolation layer (6).
4. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 3, wherein: a permeable layer (8) is arranged between the planting soil layer (10) and the coarse sand cushion layer (7).
5. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 4, wherein: the permeable layer (8) comprises geotextile.
6. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 3, wherein: and a fast flow layer (9) is arranged between the planting soil layer (10) and the permeable layer (8).
7. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 6, wherein: the fast flow layer (9) comprises coarse gravel.
8. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 1, wherein: and filter screens (12) are arranged on the vertical two sides of the salt discharge ditch (2) adjacent to the soil body (1).
9. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 8, wherein: the filter screen (12) comprises a stainless steel iron screen.
10. The saline-alkali soil discharge system for the coastal saline-alkali soil as claimed in claim 1, wherein: the salt discharging well is characterized in that an activated carbon plate (32) for sealing a channel of the salt discharging well (3) is arranged in the salt discharging well (3), a vent hole (321) is formed in the activated carbon plate (32), the activated carbon plate (32) is hinged to the inner wall of the salt discharging well (3) so that the activated carbon plate (32) can be overturned to remove the sealing of the channel of the salt discharging well (3), and a hinged shaft is eccentrically arranged so that the activated carbon plate (32) can be automatically restored to the original position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770217.9U CN210168426U (en) | 2019-05-25 | 2019-05-25 | Be used for saline and alkaline discharge system of coastal saline and alkaline land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770217.9U CN210168426U (en) | 2019-05-25 | 2019-05-25 | Be used for saline and alkaline discharge system of coastal saline and alkaline land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210168426U true CN210168426U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920770217.9U Active CN210168426U (en) | 2019-05-25 | 2019-05-25 | Be used for saline and alkaline discharge system of coastal saline and alkaline land |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210168426U (en) |
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- 2019-05-25 CN CN201920770217.9U patent/CN210168426U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300457 No. 171 Dongting Road, Binhai New Area Development Zone, Tianjin Patentee after: TIANJIN TEDA LANDSCAPE CONSTRUCTION Co.,Ltd. Address before: 300457 No. 171 Dongting Road, Binhai New Area Development Zone, Tianjin Patentee before: TIANJIN SEASHORE SALINE ALKALI |
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| CP01 | Change in the name or title of a patent holder |