CN102726141A - Saline-alkali soil improvement facility and method - Google Patents

Saline-alkali soil improvement facility and method Download PDF

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Publication number
CN102726141A
CN102726141A CN2012102486405A CN201210248640A CN102726141A CN 102726141 A CN102726141 A CN 102726141A CN 2012102486405 A CN2012102486405 A CN 2012102486405A CN 201210248640 A CN201210248640 A CN 201210248640A CN 102726141 A CN102726141 A CN 102726141A
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China
Prior art keywords
foundation trench
french drain
blind pipe
blind
covered
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Pending
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CN2012102486405A
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Chinese (zh)
Inventor
张永康
张华�
施珍珍
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张永康
张华�
施珍珍
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Priority to CN2012102486405A priority Critical patent/CN102726141A/en
Publication of CN102726141A publication Critical patent/CN102726141A/en
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Abstract

The invention discloses a saline-alkali soil improvement facility and method. The saline-alkali soil improvement facility is characterized by consisting of at least one unit; each unit is provided with a foundation trench; blind ditches are formed evenly at the bottom of the foundation trench at intervals; water seepage non-woven fabrics are paved in the blind ditches to the outsides of the blind ditches; blind pipes are arranged in the blind ditches; coarse sand or finely broken stone is paved around the blind pipes in the blind ditches; the blind pipes extend to the surface of the foundation trench on the side of high blind ditches at the bottom of the foundation trench; the side of low blind ditches at the bottom of the foundation trench is connected to a draining well; and an organic matter layer is laid on the surface of the foundation trench and a causeway is formed on the organic matter layer. The saline-alkali soil improvement method comprises the following steps of: a, excavating the foundation trench; b, opening the blind ditches; c, placing the blind pipes to form a drainage system; d, bending the blind pipes to the ground surface and connecting the blind pipes to the draining well; e, backfilling the original soil; f, paving the organic matter layer; and g, causewaying and leaching salt. The saline-alkali soil improvement facility and method provided by the invention have the advantages of effectively improving and utilizing the saline-alkali soil and improving the seedling survival rate.

Description

Alkaline land improving facility and improvement method thereof
Technical field
The present invention relates to a kind of alkaline land improving facility.
The invention still further relates to a kind of saline and alkali land improvement method.
Background technology
Along with coastal great development, many strands new city is rised sheer from level ground, but the development of Xincheng District is being perplexed in coastal saline land, newly constructs the factory buildings, dwelling house, road two sides do not have landscape planting, city taste, and investment environment can not improve.In order to improve the Xincheng District environment, the general using farmland is good native, replaces the plantation greening, also has use to carry out draining with a large amount of stones laying pouring layers and improves the soil.But cost is bigger, and some can not be implemented by conditionality, and the hyperphoric saline-alkali soil that can not reach of soil moved in to improve the original effects a radical cure effect.Therefore, the weather advantage rainy according to the area need provide a kind of and can effect a radical cure the saline land effectively, makes the solonchak of improvement reach the solution of plant normal growth condition.
Summary of the invention
The purpose of this invention is to provide a kind of alkaline land improving facility.
Another object of the present invention provides a kind of saline and alkali land improvement method.
The technical scheme that the present invention adopts is:
The alkaline land improving facility is made up of at least one unit, and each unit is equipped with foundation trench; The said foundation trench two ends degree of depth does not wait, and said foundation trench wall is covered with waterproof Polypropylence Sheet, and said foundation trench bottom evenly has french drain at interval; Be covered with infiltration nonwoven to the french drain outside in the said french drain, the arch form face between the said french drain is covered with waterproof Polypropylence Sheet, is placed with blind pipe in the said french drain; Said blind pipe does not have the gauze parcel with the anti-mud of infiltration; Be covered with coarse sand or particulate rubble in the said french drain around the blind pipe, the high side blind pipe of said foundation trench bottom french drain extends the foundation trench surface, and a blind pipe low side in said foundation trench bottom connects gully; Said foundation trench surface is covered with one deck organic horizon, is provided with embankment above the said organic horizon.
Being covered with the anti-mud of infiltration in the said french drain does not have gauze to the french drain outside, inserts the clean rubble of infiltration nonwoven parcel in the said french drain, and the high side of said foundation trench bottom french drain is provided with the PVC plastic tube, and the lower end is stretched in the stone, and is suitable for reading to the face of land.
Said organic horizon is by crushing straw, rice husk, beans shell and native full and uniform stirring.
Said blind pipe is a PVC perforated plastic pipe.
Saline and alkali land improvement method is characterized in that: may further comprise the steps:
A, the position, greenery patches of plantation is excavated with excavator, former solonchak is placed on the next door, with digging machine that the plain soil pressure in foundation trench bottom is real, the foundation trench wall is laid Polypropylence Sheet;
B, foundation trench bottom separate into french drain, will dig out soil and be placed on the centre, become the arch form face, and the arch form face is covered with waterproof Polypropylence Sheet;
Infiltration nonwoven in shop is put into blind pipe then in c, the french drain, completes coarse sand or particulate rubble around the blind pipe, and blind pipe is a PVC perforated plastic pipe, and the anti-mud of the effective infiltration of perforated plastic does not have the gauze parcel, forms underground blind pipe drainage system of ganging up sealing;
D, the side that blind pipe is high make blind pipe curved to the face of land with elbow bend, and the side that blind pipe is low connects gully;
When e, former earthen backfill, the reed of gathering materials on the spot around the greenery patches, mixed and disorderly stalk etc. is sneaked in the soil;
F, foundation trench surface are covered with one deck organic horizon, and organic horizon is by crushing straw, rice husk, beans shell and native full and uniform stirring;
Embankment, the desalinization of soil by flooding or leaching are again carried out in g, the greenery patches after will stirring.
Being covered with the anti-mud of infiltration in the said french drain does not have gauze to the french drain outside, inserts the clean rubble of infiltration nonwoven parcel then in the french drain, and the side that french drain is high is provided with the PVC plastic tube, and the lower end is stretched in the stone, and is suitable for reading to the face of land.
Advantage of the present invention is: during impeded drainage, insert high-pressure water pipe and wash away mud, guarantee that drainpipe is unimpeded, during arid, drainage outlet is stopped up, pour water, raise the water drought resisting; Be provided with organic horizon, make soil penetrating, be convenient to draining and fall salt, the back of rotting increases the soil organic matter; Be provided with embankment, accept natural rainfall, plant fast like little the need again of rainfall, available fresh water pouring detects the blind pipe discharge water, when reaching requirement, stops the desalinization of soil by flooding or leaching, can improve utilization to saline-alkali soil effectively, improves plant percent.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Fig. 1 is the plane of the embodiment of the invention 1.
Fig. 2 is the cutaway view of the embodiment of the invention 1.
Fig. 3 is the structural representation of the embodiment of the invention 1 perforated plastic pipe.
Fig. 4 is the plane of the embodiment of the invention 2.
Fig. 5 is the cutaway view of the embodiment of the invention 2.
Wherein: 1, foundation trench, 2, Polypropylence Sheet, 3, french drain, 4, blind pipe, 5, the perforated plastic pipe; 6, pipe tap, 7, the anti-mud of infiltration do not have gauze, 8, coarse sand or particulate rubble, 9, gully, 10, machine matter layer; 11, embankment, 12, the infiltration nonwoven, 13, clean rubble, 14, plastic tube, 15, the arch form face.
Embodiment
Embodiment 1
Shown in Fig. 1-3, alkaline land improving facility of the present invention is made up of at least one unit; Each unit is equipped with foundation trench 1, and the said foundation trench 1 two ends degree of depth does not wait, and said foundation trench 1 wall is covered with waterproof Polypropylence Sheet 2; Said foundation trench 1 bottom evenly has french drain 3 at interval, and said french drain 3 is of a size of 20*20*20cm, and the centre-to-centre spacing between said french drain 3 and the french drain 3 is 2m; Be covered with infiltration nonwoven 12 to french drain 3 outsides in the said french drain 3, the arch form face 15 between the said french drain 3 is covered with waterproof Polypropylence Sheet 2, is placed with blind pipe 4 in the said french drain 3; The PVC perforated plastic pipe 5 that said blind pipe 4 is diameter 9cm, the pipe tap 6 diameter 1cm on the said perforated plastic pipe 5, the anti-mud of said blind pipe 4 usefulness infiltration does not have gauze 7 parcels; Be covered with coarse sand or particulate rubble 8 around the blind pipe 4 in the said french drain 3, said foundation trench 1 bottom blind pipe 4 high side blind pipes 4 extend foundation trench 1 surface, and said foundation trench 1 bottom blind pipe 4 low sides connect gully 9; Said foundation trench 1 surface is covered with the organic horizon 10 of one deck 28cm; Said organic horizon 10 is provided with embankment 11 by crushing straw, rice husk, beans shell and native full and uniform stirring above the said organic horizon 10, and it is the grid of 50 ㎡ that said embankment 11 is formed area.
Saline and alkali land improvement method may further comprise the steps:
A, the position, greenery patches of plantation is excavated with excavator, former solonchak is placed on the next door, with digging machine that the plain soil pressure in foundation trench 1 bottom is real, foundation trench 1 wall is laid Polypropylence Sheet 2,
B, the foundation trench 1 bottom 2m of being separated by is split into the french drain 3 of 20*20*20cm, will dig out soil and be placed in the middle of the 2m, makes the 2m position become arch form face 15, and arch form face 15 is covered with waterproof Polypropylence Sheet 2,
Infiltration nonwoven 12 in shop in c, the french drain 3; Put into blind pipe 4 then; Complete coarse sand or particulate rubble 8 around the blind pipe 4, blind pipe 4 is the PVC perforated plastic pipe 5 of diameter 9cm, the pipe tap 6 diameter 1cm on the perforated plastic pipe 5; The anti-mud of perforated plastic pipe 5 usefulness infiltration does not have gauze 7 parcels, forms underground blind pipe drainage system of ganging up sealing;
The side that d, blind pipe 4 are high makes blind pipe 4 curved to the face of land with elbow bend, and blind pipe 4 low sides connect gully 9;
When e, former earthen backfill, position, beneath 0.5m deep is sneaked into the reed of gathering materials on the spot around the greenery patches, mixed and disorderly stalk etc. in the soil;
F, foundation trench 1 surface are covered with the organic horizon 10 of one deck 28cm, and organic horizon 10 is by crushing straw, rice husk, beans shell and native full and uniform stirring;
Embankment 11 is carried out in g, the greenery patches after will stirring, and embankment 11 areas are the grid of 50 ㎡, the desalinization of soil by flooding or leaching again.
Embodiment 2
Shown in Figure 4 and 5, alkaline land improving facility of the present invention is made up of at least one unit; Each unit is equipped with foundation trench 1, and the said foundation trench 1 two ends degree of depth does not wait, and said foundation trench 1 wall is covered with waterproof Polypropylence Sheet 2; Said foundation trench 1 bottom evenly has french drain 3 at interval, and said french drain 3 is of a size of 30*20*30cm, and the centre-to-centre spacing between said french drain 3 and the french drain 3 is 2.3m; Being covered with the anti-mud of infiltration in the said french drain 3 does not have gauze 7 to french drain 3 outsides, and the arch form face 15 between the said french drain 3 is covered with waterproof Polypropylence Sheet 2, inserts the clean rubble 13 of infiltration nonwoven 12 parcels in the said french drain 3; Said foundation trench 1 bottom french drain 3 high sides are provided with diameter 11cmPVC plastic tube 14, and the lower end is stretched in the stone, and is suitable for reading to the face of land; Said foundation trench 1 surface is covered with the organic horizon 10 of one deck 33cm; Said organic horizon 10 is provided with embankment 11 by crushing straw, rice husk, beans shell and native full and uniform stirring above the said organic horizon 10, and it is the grid of 55 ㎡ that said embankment 11 is formed area.
Saline and alkali land improvement method may further comprise the steps:
A, the position, greenery patches of plantation is excavated with excavator, former solonchak is placed on the next door, with digging machine that the plain soil pressure in foundation trench 1 bottom is real, foundation trench 1 wall is laid Polypropylence Sheet 2,
B, the foundation trench 1 bottom 2.3m of being separated by is split into the french drain 3 of 30*20*30cm, will dig out soil and be placed in the middle of the 2.3m, makes the 2.3m position become arch form face 15, and arch form face 15 is covered with waterproof Polypropylence Sheet 2,
Infiltration anti-mud in shop does not have gauze 7 to french drain 3 outsides in c, the french drain 3, inserts the clean rubble 13 of infiltration nonwoven 12 parcels then in the french drain 3, forms underground drainage system of ganging up sealing;
The side that d, french drain 3 are high is provided with the PVC plastic tube 14 of diameter 11cm, and the lower end is stretched in the stone, and is suitable for reading to the face of land, and french drain 3 low sides connect gully 9;
When e, former earthen backfill, position, beneath 0.5m deep is sneaked into the reed of gathering materials on the spot around the greenery patches, mixed and disorderly stalk etc. in the soil;
F, foundation trench 1 surface are covered with the organic horizon 10 of one deck 33cm, and organic horizon 10 is by crushing straw, rice husk, beans shell and native full and uniform stirring;
Embankment 11 is carried out in g, the greenery patches after will stirring, and embankment 11 areas are the grid of 55 ㎡, the desalinization of soil by flooding or leaching again.
During impeded drainage, insert high-pressure water pipe and wash away mud, guarantee that drainpipe is unimpeded, during arid, drainage outlet is stopped up, pour water, raise the water drought resisting; Be provided with organic horizon, make soil penetrating, be convenient to draining and fall salt, the back of rotting increases the soil organic matter; Be provided with embankment, accept natural rainfall, plant fast like little the need again of rainfall, available fresh water pouring detects the blind pipe discharge water, when reaching requirement, stops the desalinization of soil by flooding or leaching, can improve utilization to saline-alkali soil effectively, improves plant percent.

Claims (6)

1. alkaline land improving facility, it is characterized in that: be made up of at least one unit, each unit is equipped with foundation trench; The said foundation trench two ends degree of depth does not wait, and said foundation trench wall is covered with waterproof Polypropylence Sheet, and said foundation trench bottom evenly has french drain at interval; Be covered with infiltration nonwoven to the french drain outside in the said french drain, the arch form face between the said french drain is covered with waterproof Polypropylence Sheet, is placed with blind pipe in the said french drain; Said blind pipe does not have the gauze parcel with the anti-mud of infiltration; Be covered with coarse sand or particulate rubble in the said french drain around the blind pipe, the high side blind pipe of said foundation trench bottom french drain extends the foundation trench surface, and a blind pipe low side in said foundation trench bottom connects gully; Said foundation trench surface is covered with one deck organic horizon, is provided with embankment above the said organic horizon.
2. alkaline land improving facility according to claim 1; It is characterized in that: being covered with the anti-mud of infiltration in the said french drain does not have gauze to the french drain outside; Insert the clean rubble of infiltration nonwoven parcel in the said french drain; The high side of said foundation trench bottom french drain is provided with diameter 8-12cmPVC plastic tube, and the lower end is stretched in the stone, and is suitable for reading to the face of land.
3. alkaline land improving facility according to claim 1 and 2 is characterized in that: said organic horizon is by crushing straw, rice husk, beans shell and native full and uniform stirring.
4. alkaline land improving facility according to claim 1 is characterized in that: said blind pipe is a PVC perforated plastic pipe.
5. saline and alkali land improvement method is characterized in that: may further comprise the steps:
A, the position, greenery patches of plantation is excavated with excavator, former solonchak is placed on the next door, with digging machine that the plain soil pressure in foundation trench bottom is real, the foundation trench wall is laid Polypropylence Sheet;
B, foundation trench bottom separate into french drain, will dig out soil and be placed on the centre, become the arch form face, and the arch form face is covered with waterproof Polypropylence Sheet;
Infiltration nonwoven in shop is put into blind pipe then in c, the french drain, completes coarse sand or particulate rubble around the blind pipe, and blind pipe is a PVC perforated plastic pipe, and the anti-mud of the effective infiltration of perforated plastic does not have the gauze parcel, forms underground blind pipe drainage system of ganging up sealing;
D, the side that blind pipe is high make blind pipe curved to the face of land with elbow bend, and the side that blind pipe is low connects gully;
When e, former earthen backfill, the reed of gathering materials on the spot around the greenery patches, mixed and disorderly stalk etc. is sneaked in the soil;
F, foundation trench surface are covered with one deck organic horizon, and organic horizon is by crushing straw, rice husk, beans shell and native full and uniform stirring;
Embankment, the desalinization of soil by flooding or leaching are again carried out in g, the greenery patches after will stirring.
6. saline and alkali land improvement method according to claim 5; It is characterized in that: being covered with the anti-mud of infiltration in the said french drain does not have gauze to the french drain outside, inserts the clean rubble of infiltration nonwoven parcel then in the french drain, and the side that french drain is high is provided with the PVC plastic tube; The lower end is stretched in the stone, and is suitable for reading to the face of land.
CN2012102486405A 2012-07-18 2012-07-18 Saline-alkali soil improvement facility and method Pending CN102726141A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103703886A (en) * 2013-12-24 2014-04-09 武羡慧 Moderate shallow shaft method for preventing and controlling salinization
CN104186178A (en) * 2014-09-09 2014-12-10 天津海林园艺环保科技工程有限公司 Economical seashore saline soil greening quick planting method
CN105706555A (en) * 2016-03-10 2016-06-29 刘海兵 Saline-alkali soil greening engineering original soil improvement structure and construction method thereof
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
CN109168381A (en) * 2018-10-18 2019-01-11 中国矿业大学 The ground plane apertures conflux of prevention and treatment Soil Dried Layer enters infiltration method

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CN101836527A (en) * 2010-04-13 2010-09-22 启东建筑集团山水园林建设有限公司 Facility for improving landscaping water and soil in saline land
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CN102498772A (en) * 2011-11-07 2012-06-20 天津市北方园林生态科学技术研究所 Method for in-situ improvement of dredger fill into soil for planting
CN202679934U (en) * 2012-07-18 2013-01-23 张永康 Saline-alkali soil improvement facility

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CN101283656A (en) * 2008-06-11 2008-10-15 沧州市农林科学院 Shallow water level double salt-affected soil raw soil planting and greening method
CN101836527A (en) * 2010-04-13 2010-09-22 启东建筑集团山水园林建设有限公司 Facility for improving landscaping water and soil in saline land
CN101889488A (en) * 2010-07-20 2010-11-24 山东省地质环境监测总站 Raw heavily-salinized soil reclamation method and device
CN102498772A (en) * 2011-11-07 2012-06-20 天津市北方园林生态科学技术研究所 Method for in-situ improvement of dredger fill into soil for planting
CN202679934U (en) * 2012-07-18 2013-01-23 张永康 Saline-alkali soil improvement facility

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103703886A (en) * 2013-12-24 2014-04-09 武羡慧 Moderate shallow shaft method for preventing and controlling salinization
CN104186178A (en) * 2014-09-09 2014-12-10 天津海林园艺环保科技工程有限公司 Economical seashore saline soil greening quick planting method
CN105706555A (en) * 2016-03-10 2016-06-29 刘海兵 Saline-alkali soil greening engineering original soil improvement structure and construction method thereof
CN105706555B (en) * 2016-03-10 2018-04-06 刘海兵 Saline land greening engineering original soil structure-improved and its construction method
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
CN109168381A (en) * 2018-10-18 2019-01-11 中国矿业大学 The ground plane apertures conflux of prevention and treatment Soil Dried Layer enters infiltration method

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Application publication date: 20121017