CN106233845B - A kind of salt-soda soil phytoremediation structure and its method - Google Patents
A kind of salt-soda soil phytoremediation structure and its method Download PDFInfo
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- CN106233845B CN106233845B CN201610767939.XA CN201610767939A CN106233845B CN 106233845 B CN106233845 B CN 106233845B CN 201610767939 A CN201610767939 A CN 201610767939A CN 106233845 B CN106233845 B CN 106233845B
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- saline
- alkaline
- salt
- slot
- soda soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/04—Arranging seed on carriers, e.g. on tapes, on cords ; Carrier compositions
- A01C1/044—Sheets, multiple sheets or mats
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of salt-soda soil phytoremediation structure and its methods, including salt-soda soil basal layer, the saline and alkaline band of pressure, positioning backplate and plant pad, at least one reparation slot is set on the basal layer of salt-soda soil, it presses saline and alkaline band to be laid in and repairs slot bottom upper surface, position backplate and pressure saline and alkaline band upper surface vertical connection, and constitute the locating slot that cross section is U shape, the identical saline and alkaline filling soil of salt-soda soil basal layer and plant pad are separately set in locating slot, its restorative procedure includes opening up reparation slot, it is laid with and presses saline and alkaline band, locating slot is built, backfill expedites the emergence of and five steps such as routine servicing.One aspect of the present invention can be quickly and effectively in salt affected soil saline and alkaline composition effectively suppressed, mitigate the saline and alkaline damage caused by vegetation, on the other hand the saline and alkaline composition in salt affected soil can be fixed by vegetation, absorbed and be purified.
Description
Technical field
The present invention relates to a kind of salt-soda soil phytoremediation structure and its methods, belong to soil remediation purification techniques field.
Background technology
Due to due to factors such as natural environment, artificial destructions, causing a large amount of soil by serious salt-alkali contaminated, soil
It is salt-alkali contaminated gradually to aggravate, due to the raising of saline and alkaline equal inorganic salts pollutant load in soil, on the one hand seriously destroy soil
Trophic structure and geologic structure, on the other hand grievous injury also is caused to the growth of vegetation, soil is even resulted in when serious
It desertifies, vegetation almost disappeares, and causes serious environmental pollution, and is directed to this problem, currently there is no efficient administering method, into
Can be turned over by traditional soil and plantation prepares and carries out saline and alkaline compacting repeatedly, but working efficiency lowly and regulation effect relatively
Difference cannot effectively meet practical control and the movable needs of normal production and living, therefore be directed to this problem, compel to be essential
A kind of efficient saline-alkali soil treatment method is developed, to meet the needs of actual use.
Invention content
The object of the invention, which is that, overcomes above-mentioned deficiency, provides a kind of salt-soda soil phytoremediation structure and its method.
To achieve the above object, the present invention is to be achieved through the following technical solutions：
A kind of salt-soda soil phytoremediation structure, including salt-soda soil basal layer, the saline and alkaline band of pressure, positioning backplate and plant pad, salt
At least one reparation slot is set on alkali ground foundation layer, is repaired groove depth and is not less than 50 centimetres, and repairs trench bottom and saline and alkaline ground foundation
Layer surface parallelly distribute on presses saline and alkaline band in reparation slot, and is laid in and repairs slot bottom upper surface, presses saline and alkaline tape thickness at least 5
Centimetre, and it is maximum no more than 30 centimetres, pressure is saline and alkaline to retain at least 5 centimetres of wide gutters with both sides with groove sidewall is repaired, fixed
Position backplate at least two, and to press saline and alkaline zone axis to be symmetrically distributed at saline and alkaline two side position of band of pressure, positioning backplate bottom and pressure
Saline and alkaline band upper surface vertical connection, top and salt-soda soil basal layer top surface plane press saline and alkaline band and positioning backplate to collectively form
Cross section is the locating slot of U shape, and the identical saline and alkaline filling soil of salt-soda soil basal layer and plant pad are separately set in locating slot,
Middle plant pad lower surface is connected with the native upper surface of saline and alkaline filling, and upper surface is higher by least 3 centimetres of salt-soda soil basal layer, and plant
Pad upper surface is arc structure, and the upright projection of the peak of plant pad is fallen on repairing slot center line, the minimum point of plant pad with
The positioning backplate of locating slot both sides is concordant.
Further, the saline and alkaline band of the pressure includes permeable carrying bag and porous filler material, the porous filling material position
In in permeable carrying bag, and constitute the cube structure that cross section is rectangle.
Further, the porous filler material is rubble, gravel, fiber, one kind in minerals or arbitrary several mixed
It is collectively formed with adhesive and stabilizer after conjunction.
Further, the plant pad includes non-woven fabrics outer layer, poly- polypropylene fibre clad, plants base material and vegetation seed,
The wherein described poly- polypropylene fibre clad is airtight cavity structure, and the non-woven fabrics external sheath is outside poly- polypropylene fibre clad and structure
It at nurture body, plants base material and vegetation seed and is embedded in nurture body, and the seed for preparing is embedded in plantation base material, and away from
It it is 0-10 millimeters with a distance from plantation substrate upper surface.
Further, the plant pad upper surface is separately evenly distributed with several diversion trenches, and diversion trench both ends connect with gutter
It is logical.
Further, the plant pad bottom sets several diversion pipes, and described diversion pipe one end is embedded in plant pad
It plants in base material, the other end is in saline and alkaline filling soil.
Further, the positioning backplate is net platy structure.
A kind of salt-soda soil plant restoration method, includes the following steps：
The first step opens up reparation slot, on the basal layer of salt-soda soil, according to the needs of practical control, and trenchless rehabilitation slot,
And curing process is carried out to the side wall for repairing slot, the reparation groove depth excavated is not less than 50 centimetres, repairs the depth of slot and repaiies
Multiple well width ratio is 1：1.5—5；
Second step is laid with and presses saline and alkaline band, is laid on the slot bottom of the reparation slot after first step excavation and presses saline and alkaline band, pressure is saline and alkaline
Band is coaxially distributed with slot is repaired, and is pressed saline and alkaline band distance to repair groove sidewall and be not less than 5 centimetres, is pressed saline and alkaline tape thickness and is repaired groove depth
Degree is than being 1：5—10；
Third walks, and builds locating slot, positioning backplate is led to bottom end face and pressure saline and alkaline band upper surface vertical connection, and make pressure
Saline and alkaline band and positioning backplate collectively form the locating slot that cross section is U shape；
4th step, backfill, the saline-alkali soil dug out when the first step is opened up reparation slot is as saline and alkaline filling earthen backfill to positioning
In slot, and plant pad is installed in saline and alkaline filling native upper surface；
5th step, is expedited the emergence of and routine servicing periodically sprays water and applies fertilizer to plant pad, promote plant after completing the 4th step
Vegetation seed germination in pad and smooth growth, and the insufficient plant pad of germination percentage is replaced and prepared and is reseeded, and planting
After the preparation of object pad smoothly germinates and stablizes growth, according to natural precipitation condition, watering Irrigation periodically is carried out to preparing, while right
There is dead vegetation plant to be replaced.
Further, the reparation slot cross-sectional profiles that the first step is excavated are rectangular configuration or body structure.
Present device is simple in structure, flexible and convenient to use, and reliability is high and uses and operate flexibility and reliability, operation energy consumption
Cheap, good environmental adaptability, saline and alkaline composition that on the one hand can be quickly and effectively in salt affected soil is effectively suppressed, and salt is mitigated
Alkali is damaged caused by vegetation, on the other hand can be fixed, be absorbed by vegetation to the saline and alkaline composition in salt affected soil and is net
Change, to achieve the purpose that the alkaline land soil depollution of environment and be afforested to salt-soda soil earth's surface, and improves salt affected soil purification and make
The working efficiency of industry, the stability and persistence of depuration quality and purification treatment work.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the method for the present invention flow chart.
Specific implementation mode
As shown in Figure 1, a kind of salt-soda soil phytoremediation structure, including salt-soda soil basal layer 1, the saline and alkaline band 2 of pressure, positioning backplate
3 and plant pad 4, at least one reparation slot 5 is set on salt-soda soil basal layer 1, is repaired 5 depth of slot and is not less than 50 centimetres, and repairs slot 5
Bottom and 1 surface parallelly distribute on of salt-soda soil basal layer press saline and alkaline band 2 in reparation slot 5, and are laid in and repair 5 bottom upper table of slot
At least 5 centimetres of 2 thickness of saline and alkaline band is pressed in face, and maximum no more than 30 centimetres, and 2 both sides of saline and alkaline band is pressed to retain with groove sidewall is repaired
At least 5 centimetres wide gutters 6 position backplate 3 at least two, and to press 2 axisymmetrical of saline and alkaline band to be distributed in saline and alkaline 2 liang of the band of pressure
At side position, positioning 3 bottom of backplate is put down with saline and alkaline 2 upper surface vertical connection of band, top is pressed with 1 upper surface of salt-soda soil basal layer
Face presses saline and alkaline band 2 and positions the locating slot 7 that backplate 3 collectively forms cross section as U shape, salt-soda soil is separately set in locating slot 7
The identical saline and alkaline filling soil 8 of basal layer 1 and plant pad 4, wherein 4 lower surface of plant pad are connected with native 8 upper surfaces of saline and alkaline filling,
Upper surface is higher by least 3 centimetres of salt-soda soil basal layer 1, and 4 upper surface of plant pad is arc structure, the peak of plant pad 4
Upright projection is fallen on repairing 5 center line of slot, and the minimum point of plant pad 4 is concordant with the positioning backplate 3 of 7 both sides of locating slot.
In the present embodiment, the saline and alkaline band 2 of the pressure includes permeable carrying bag 21 and porous filler material 22, described porous to fill out
Charge 22 is located in permeable carrying bag 21, and constitutes the cube structure that cross section is rectangle.
In the present embodiment, the porous filler material 22 is rubble, gravel, fiber, one kind in minerals or arbitrary several
It is collectively formed with adhesive and stabilizer after kind mixing.
In the present embodiment, the plant pad 4 include non-woven fabrics outer layer 41, poly- polypropylene fibre clad 42, plantation base material 43 and
Vegetation seed 44, wherein the poly- polypropylene fibre clad 42 is airtight cavity structure, 41 external sheath of non-woven fabrics is poly-
Polypropylene fibre clad 42 is outer and constitutes nurture body, plants base material 43 and vegetation seed 44 and is embedded in nurture body, and the preparation
Seed 44 is 0-10 millimeters in plantation base material 43, and apart from 43 upper surface of plantation base material distance.
In the present embodiment, the another uniformly distributed several diversion trenches 45 in 4 upper surface of plant pad, and 45 both ends of diversion trench with row
Ditch 6 is connected to.
In the present embodiment, 4 bottom of plant pad sets several diversion pipes 9, and described 9 one end of diversion pipe is embedded in plant
In the plantation base material 43 of pad 4, the other end is in saline and alkaline filling soil 8.
In the present embodiment, the positioning backplate 3 is net platy structure.
As shown in Fig. 2, a kind of salt-soda soil plant restoration method, includes the following steps：
The first step opens up reparation slot, on the basal layer of salt-soda soil, according to the needs of practical control, and trenchless rehabilitation slot,
And curing process is carried out to the side wall for repairing slot, the reparation groove depth excavated is not less than 50 centimetres, repairs the depth of slot and repaiies
Multiple well width ratio is 1：1.5—5；
Second step is laid with and presses saline and alkaline band, is laid on the slot bottom of the reparation slot after first step excavation and presses saline and alkaline band, pressure is saline and alkaline
Band is coaxially distributed with slot is repaired, and is pressed saline and alkaline band distance to repair groove sidewall and be not less than 5 centimetres, is pressed saline and alkaline tape thickness and is repaired groove depth
Degree is than being 1：5—10；
Third walks, and builds locating slot, positioning backplate is led to bottom end face and pressure saline and alkaline band upper surface vertical connection, and make pressure
Saline and alkaline band and positioning backplate collectively form the locating slot that cross section is U shape；
4th step, backfill, the saline-alkali soil dug out when the first step is opened up reparation slot is as saline and alkaline filling earthen backfill to positioning
In slot, and plant pad is installed in saline and alkaline filling native upper surface；
5th step, is expedited the emergence of and routine servicing periodically sprays water and applies fertilizer to plant pad, promote plant after completing the 4th step
Vegetation seed germination in pad and smooth growth, and the insufficient plant pad of germination percentage is replaced and prepared and is reseeded, and planting
After the preparation of object pad smoothly germinates and stablizes growth, according to natural precipitation condition, watering Irrigation periodically is carried out to preparing, while right
There is dead vegetation plant to be replaced.
In the present embodiment, the reparation slot cross-sectional profiles that the first step is excavated are rectangular configuration or body structure.
Present device is simple in structure, flexible and convenient to use, and reliability is high and uses and operate flexibility and reliability, operation energy consumption
Cheap, good environmental adaptability, saline and alkaline composition that on the one hand can be quickly and effectively in salt affected soil is effectively suppressed, and salt is mitigated
Alkali is damaged caused by vegetation, on the other hand can be fixed, be absorbed by vegetation to the saline and alkaline composition in salt affected soil and is net
Change, to achieve the purpose that the alkaline land soil depollution of environment and be afforested to salt-soda soil earth's surface, and improves salt affected soil purification and make
The working efficiency of industry, the stability and persistence of depuration quality and purification treatment work.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of salt-soda soil phytoremediation structure, it is characterised in that：The salt-soda soil phytoremediation structure includes saline and alkaline ground
Plinth layer, positions backplate and plant pad at the saline and alkaline band of pressure, sets at least one reparation slot on the salt-soda soil basal layer, described repaiies
Multiple groove depth is not less than 50 centimetres, and repairs trench bottom and salt-soda soil basis layer surface parallelly distribute on, and the saline and alkaline band of the pressure is embedding
In repairing in slot, and it is laid in and repairs slot bottom upper surface, at least 5 centimetres of the saline and alkaline tape thickness of the pressure, and maximum it is not more than 30
Centimetre, the pressure is saline and alkaline to retain at least 5 centimetres of wide gutters with both sides with groove sidewall is repaired, and the positioning backplate is extremely
It is two few, and pressing saline and alkaline zone axis to be symmetrically distributed at saline and alkaline two side position of band of pressure, positioning backplate bottom and pressing saline and alkaline take
Surface vertical connection, top and salt-soda soil basal layer top surface plane, the saline and alkaline band of the pressure and positioning backplate collectively form cross
Section is the locating slot of U shape, and the identical saline and alkaline filling soil of salt-soda soil basal layer and plant are separately set in the locating slot
Pad, wherein the plant pad lower surface is connected with the native upper surface of saline and alkaline filling, upper surface is higher by salt-soda soil basal layer at least 3
Centimetre, and plant pad upper surface is arc structure, the upright projection of the peak of plant pad is fallen on repairing slot center line, plant pad
Minimum point it is concordant with the positioning backplate of locating slot both sides.
2. a kind of salt-soda soil phytoremediation structure according to claim 1, it is characterised in that：The saline and alkaline band of the pressure includes
Permeable carrying bag and porous filler material, the porous filler material are located in permeable carrying bag, and it is rectangle to constitute cross section
Cube structure.
3. a kind of salt-soda soil phytoremediation structure according to claim 2, it is characterised in that：The porous filler material is
It is collectively formed with adhesive and stabilizer after one kind or arbitrary several mixing in rubble, gravel, fiber, minerals.
4. a kind of salt-soda soil phytoremediation structure according to claim 1, it is characterised in that：The plant pad includes nothing
Woven fabric outer layer, poly- polypropylene fibre clad, plantation base material and vegetation seed, wherein the poly- polypropylene fibre clad is airtight cavity knot
Structure, the non-woven fabrics external sheath is outside poly- polypropylene fibre clad and constitutes nurture body, plants base material and vegetation seed is embedded in
In nurture body, and the vegetation seed is 0-10 millimeters in plantation base material, and apart from plantation substrate upper surface distance.
5. a kind of salt-soda soil phytoremediation structure according to claim 1, it is characterised in that：The plant pad upper surface
Separately uniformly distributed several diversion trenches, and diversion trench both ends are connected to gutter.
6. a kind of salt-soda soil phytoremediation structure according to claim 1, it is characterised in that：The plant pad bottom is set
Several diversion pipes, and described diversion pipe one end, in the plantation base material of plant pad, the other end is in saline and alkaline filling soil.
7. a kind of salt-soda soil phytoremediation structure according to claim 1, it is characterised in that：The positioning backplate is
Net platy structure.
8. a kind of salt-soda soil plant restoration method, it is characterised in that：The salt-soda soil plant restoration method includes the following steps：
The first step opens up reparation slot, on the basal layer of salt-soda soil, according to the needs of practical control, and trenchless rehabilitation slot, and it is right
The side wall for repairing slot carries out curing process, and the reparation groove depth excavated is not less than 50 centimetres, repairs the depth and reparation slot of slot
Width ratio is 1：1.5—5；
Second step is laid with and presses saline and alkaline band, is laid on the slot bottom of the reparation slot after first step excavation and presses saline and alkaline band, press saline and alkaline band with
It repairs slot to be coaxially distributed, and presses saline and alkaline band distance to repair groove sidewall and be not less than 5 centimetres, press saline and alkaline tape thickness and repair groove depth ratio
It is 1：5—10；
Third walks, and builds locating slot, positioning backplate is led to bottom end face and pressure saline and alkaline band upper surface vertical connection, and keep pressure saline and alkaline
Band and positioning backplate collectively form the locating slot that cross section is U shape；
The first step is opened up when repairing slot the saline-alkali soil that digs out as in saline and alkaline filling earthen backfill to locating slot by the 4th step, backfill,
And plant pad is installed in saline and alkaline filling native upper surface；
5th step, is expedited the emergence of and routine servicing periodically sprays water and applies fertilizer to plant pad, promote in plant pad after completing the 4th step
Vegetation seed germination and smooth growth, and the insufficient plant pad of germination percentage is replaced and is prepared and is reseeded, and in plant pad
Preparation smoothly germinate and stablize growth after, according to natural precipitation condition, periodically to prepare carry out watering Irrigation, while to occur
Dead vegetation plant is replaced.
9. a kind of salt-soda soil plant restoration method according to claim 8, it is characterised in that：What the first step was excavated
It is rectangular configuration or body structure to repair slot cross-sectional profiles.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610767939.XA CN106233845B (en) | 2016-08-30 | 2016-08-30 | A kind of salt-soda soil phytoremediation structure and its method |
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| CN201610767939.XA CN106233845B (en) | 2016-08-30 | 2016-08-30 | A kind of salt-soda soil phytoremediation structure and its method |
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| CN106233845A CN106233845A (en) | 2016-12-21 |
| CN106233845B true CN106233845B (en) | 2018-07-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315102A (en) * | 2018-08-20 | 2019-02-12 | 江苏绿岩生态技术股份有限公司 | A kind of saline-alkali soil improvement method |
| CN112514742A (en) * | 2020-11-17 | 2021-03-19 | 张波 | Saline-alkali soil vegetation recovery structure and recovery method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304069A (en) * | 1978-03-23 | 1981-12-08 | Nittoku Kensetsu Kabushiki Kaisha | Slope protection method for planting |
| CN203167652U (en) * | 2013-01-25 | 2013-09-04 | 天津滨海新区物源环境科技有限公司 | Greening and planting system for saline and alkaline land |
| CN104846912A (en) * | 2015-05-18 | 2015-08-19 | 西北师范大学 | Dune area water collection irrigation system |
| CN105850261A (en) * | 2016-04-28 | 2016-08-17 | 上海市环境工程设计科学研究院有限公司 | System for collecting rainwater for salt leaching for slope type saline and alkaline land |
| CN206005133U (en) * | 2016-08-30 | 2017-03-15 | 江苏绿岩生态技术股份有限公司 | A kind of salt-soda soil phytoremediation structure |
-
2016
- 2016-08-30 CN CN201610767939.XA patent/CN106233845B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304069A (en) * | 1978-03-23 | 1981-12-08 | Nittoku Kensetsu Kabushiki Kaisha | Slope protection method for planting |
| CN203167652U (en) * | 2013-01-25 | 2013-09-04 | 天津滨海新区物源环境科技有限公司 | Greening and planting system for saline and alkaline land |
| CN104846912A (en) * | 2015-05-18 | 2015-08-19 | 西北师范大学 | Dune area water collection irrigation system |
| CN105850261A (en) * | 2016-04-28 | 2016-08-17 | 上海市环境工程设计科学研究院有限公司 | System for collecting rainwater for salt leaching for slope type saline and alkaline land |
| CN206005133U (en) * | 2016-08-30 | 2017-03-15 | 江苏绿岩生态技术股份有限公司 | A kind of salt-soda soil phytoremediation structure |
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| CN106233845A (en) | 2016-12-21 |
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