CN202679934U - Saline-alkali soil improvement facility - Google Patents

Saline-alkali soil improvement facility Download PDF

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Publication number
CN202679934U
CN202679934U CN 201220348186 CN201220348186U CN202679934U CN 202679934 U CN202679934 U CN 202679934U CN 201220348186 CN201220348186 CN 201220348186 CN 201220348186 U CN201220348186 U CN 201220348186U CN 202679934 U CN202679934 U CN 202679934U
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Prior art keywords
foundation trench
french drain
blind
covered
pipe
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CN 201220348186
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Chinese (zh)
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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 CN 201220348186 priority Critical patent/CN202679934U/en
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Abstract

The utility model discloses a saline-alkali soil improvement facility which is characterized by consisting of at least one unit, wherein each unit is provided with a foundation trench; the widths of two ends of the foundation trench are unequal; waterproof plastic cloth is spread on each of four walls of the foundation trench; blind drains are uniformly formed at the bottom of the foundation trench at intervals; a permeable non-woven fabric is spread in each blind drain and extends out of the blind drain; waterproof plastic cloth is spread on arch surfaces between the blind drains; a blind pipe is placed in each blind drain and wrapped by a permeable mud-proof non-woven fabric; coarse sand or fine gravel is spread around the blind pipes in the blind drains; the blind pipes at one side, in which the blind drains are high, of the bottom of the foundation trench, extend to the surface of the foundation trench; the other side of the bottom, in which the blind pipes are low, of the foundation trench, is connected with a drainage well; an organic substance layer is spread on the surface of the foundation trench; and a cofferdam is arranged on the organic substance layer. The saline-alkali soil improvement facility has the advantages that effectively improving saline-alkali soil is effectively improved and the survival rate of nursery stocks is improved.

Description

The alkaline land improving facility
Technical field
The utility model relates to a kind of alkaline land improving facility.
Background technology
Along with coastal great development, many new coastal cities are 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 be without 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 larger, 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 to provide a kind of and can effectively effect a radical cure the saline land, makes the solonchak of improvement reach the solution of plant normal growth condition.
Summary of the invention
The purpose of this utility model provides a kind of alkaline land improving facility.
The technical solution adopted in the utility model is:
The alkaline land improving facility, formed by at least one unit, each unit is equipped with foundation trench, the described foundation trench two ends degree of depth does not wait, described foundation trench wall is covered with waterproof Polypropylence Sheet, described foundation trench bottom even interval has french drain, be covered with the infiltration nonwoven in the described french drain to the french drain outside, arch form face between the described french drain is covered with waterproof Polypropylence Sheet, be placed with blind pipe in the described french drain, described blind pipe wraps up without gauze with the anti-mud of infiltration, be covered with coarse sand or particulate rubble in the described french drain around the blind pipe, the high side blind pipe of described foundation trench bottom french drain extends the foundation trench surface, and a blind pipe low side in described foundation trench bottom connects gully, described foundation trench surface is covered with the organic horizon of one deck 25-35cm, is provided with embankment above the described organic horizon.
Being covered with in the described french drain the anti-mud of infiltration without gauze to the french drain outside, insert the clean rubble of infiltration nonwoven parcel in the described french drain, the high side of described foundation trench bottom french drain arranges the PVC plastic tube, the lower end is stretched in the stone, and is suitable for reading to the earth's surface.
Described organic horizon is by crushing straw, rice husk, beans shell and native full and uniform stirring.
Described blind pipe is PVC perforated plastic pipe, the pipe tap diameter 0.8-1.2cm on the described perforated plastic pipe.
The utility model has the advantages that: 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 the draining salt reduction, increase the soil organic matter after rotting; Be provided with embankment, accept natural rainfall, plant fast such as 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 effectively improve utilization to saline-alkali soil, improves plant percent.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the plane of the utility model embodiment 1.
Fig. 2 is the cutaway view of the utility model embodiment 1.
Fig. 3 is the structural representation of the utility model embodiment 1 perforated plastic pipe.
Fig. 4 is the plane of the utility model embodiment 2.
Fig. 5 is the cutaway view of the utility model embodiment 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 is without 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
As Figure 1-3, alkaline land improving facility of the present utility model, formed by at least one unit, each unit is equipped with foundation trench 1, the described foundation trench 1 two ends degree of depth does not wait, described foundation trench 1 wall is covered with waterproof Polypropylence Sheet 2, described foundation trench 1 bottom even interval has french drain 3, described french drain 3 is of a size of 20*20*20cm, centre-to-centre spacing between described french drain 3 and the french drain 3 is 2m, be covered with infiltration nonwoven 12 in the described french drain 3 to french drain 3 outsides, arch form face 15 between the described french drain 3 is covered with waterproof Polypropylence Sheet 2, be placed with blind pipe 4 in the described french drain 3, the PVC perforated plastic pipe 5 that described blind pipe 4 is diameter 9cm, pipe tap 6 diameter 1cm on the described perforated plastic pipe 5, the anti-mud of described blind pipe 4 usefulness infiltration is without gauze 7 parcels, be covered with coarse sand or particulate rubble 8 around the described french drain 3 interior blind pipes 4, described foundation trench 1 bottom blind pipe 4 high side blind pipes 4 extend foundation trench 1 surface, described foundation trench 1 bottom blind pipe 4 low sides connect gully 9, described foundation trench 1 surface is covered with the organic horizon 10 of one deck 28cm, described organic horizon 10 is by crushing straw, rice husk, beans shell and native full and uniform stirring are provided with embankment 11 above the described organic horizon 10, and it is the grid of 50 ㎡ that described embankment 11 forms area.
Embodiment 2
Shown in Figure 4 and 5, alkaline land improving facility of the present utility model, formed by at least one unit, each unit is equipped with foundation trench 1, the described foundation trench 1 two ends degree of depth does not wait, described foundation trench 1 wall is covered with waterproof Polypropylence Sheet 2, described foundation trench 1 bottom even interval has french drain 3, described french drain 3 is of a size of 30*20*30cm, centre-to-centre spacing between described french drain 3 and the french drain 3 is 2.3m, being covered with in the described french drain 3 the anti-mud of infiltration without gauze 7 to french drain 3 outsides, arch form face 15 between the described french drain 3 is covered with waterproof Polypropylence Sheet 2, inserts the clean rubble 13 of infiltration nonwoven 12 parcels in the described french drain 3, and described foundation trench 1 bottom french drain 3 high sides arrange diameter 8-12cmPVC plastic tube 14, the lower end is stretched in the stone, suitable for reading to the earth's surface, described foundation trench 1 surface is covered with the organic horizon 10 of one deck 33cm, and described organic horizon 10 is by crushing straw, rice husk, beans shell and native full and uniform stirring, be provided with embankment 11 above the described organic horizon 10, it is the grid of 55 ㎡ that described embankment 11 forms area.
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 the draining salt reduction, increase the soil organic matter after rotting; Be provided with embankment, accept natural rainfall, plant fast such as 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 effectively improve utilization to saline-alkali soil, improves plant percent.

Claims (4)

1. alkaline land improving facility, it is characterized in that: formed by at least one unit, each unit is equipped with foundation trench, the described foundation trench two ends degree of depth does not wait, described foundation trench wall is covered with waterproof Polypropylence Sheet, described foundation trench bottom even interval has french drain, be covered with the infiltration nonwoven in the described french drain to the french drain outside, arch form face between the described french drain is covered with waterproof Polypropylence Sheet, be placed with blind pipe in the described french drain, described blind pipe wraps up without gauze with the anti-mud of infiltration, be covered with coarse sand or particulate rubble in the described french drain around the blind pipe, the high side blind pipe of described foundation trench bottom french drain extends the foundation trench surface, and a blind pipe low side in described foundation trench bottom connects gully, described foundation trench surface is covered with one deck organic horizon, is provided with embankment above the described organic horizon.
2. alkaline land improving facility according to claim 1, it is characterized in that: being covered with in the described french drain the anti-mud of infiltration without gauze to the french drain outside, insert the clean rubble of infiltration nonwoven parcel in the described french drain, the high side of described foundation trench bottom french drain arranges the PVC plastic tube, the lower end is stretched in the stone, and is suitable for reading to the earth's surface.
3. alkaline land improving facility according to claim 1 and 2, it is characterized in that: described 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, it is characterized in that: described blind pipe is PVC perforated plastic pipe, the pipe tap diameter 0.8-1.2cm on the described perforated plastic pipe.
CN 201220348186 2012-07-18 2012-07-18 Saline-alkali soil improvement facility Active CN202679934U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220348186 CN202679934U (en) 2012-07-18 2012-07-18 Saline-alkali soil improvement facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220348186 CN202679934U (en) 2012-07-18 2012-07-18 Saline-alkali soil improvement facility

Publications (1)

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CN202679934U true CN202679934U (en) 2013-01-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102726141A (en) * 2012-07-18 2012-10-17 张永康 Saline-alkali soil improvement facility and method
CN104620712A (en) * 2013-11-10 2015-05-20 马守玉 Leaf-vein-shaped device for improvement of saline land
CN107950106A (en) * 2017-11-28 2018-04-24 西安理工大学 A kind of closed drainage in salt-soda soil-oxygen renewal double effect system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102726141A (en) * 2012-07-18 2012-10-17 张永康 Saline-alkali soil improvement facility and method
CN104620712A (en) * 2013-11-10 2015-05-20 马守玉 Leaf-vein-shaped device for improvement of saline land
CN107950106A (en) * 2017-11-28 2018-04-24 西安理工大学 A kind of closed drainage in salt-soda soil-oxygen renewal double effect system

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nantong Hualin Biological Technology Development Co., Ltd.

Assignor: Zhang Yongkang|Zhang Hua|Shi Zhenzhen

Contract record no.: 2013320000745

Denomination of utility model: Saline-alkali soil improvement facility and method

Granted publication date: 20130123

License type: Exclusive License

Record date: 20131107

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model