CN109811759A - Faradaic reaction stake and preparation method thereof - Google Patents
Faradaic reaction stake and preparation method thereof Download PDFInfo
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- CN109811759A CN109811759A CN201910196093.2A CN201910196093A CN109811759A CN 109811759 A CN109811759 A CN 109811759A CN 201910196093 A CN201910196093 A CN 201910196093A CN 109811759 A CN109811759 A CN 109811759A
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Abstract
The present invention relates to faradaic reaction stakes, including anode electrode hollow pile, cathode electrode hollow pile, conductive plastics drain bar, reaction-ability medium, DC power supply, conducting wire, vacuum pump, compression pump and water receiver；Anode electrode hollow pile and cathode electrode hollow pile are located in soft soil foundation, and Polluted Soil between stake is equipped between anode electrode hollow pile and cathode electrode hollow pile；Reaction-ability medium is filled inside cathode electrode hollow pile, sand is filled inside anode electrode hollow pile, and conductive plastics drain bar is vertically equidistantly pasted on the outside of anode electrode hollow pile and cathode electrode hollow pile along pile body；The anode electrode hollow pile is connected by conducting wire with DC power anode, and the cathode electrode hollow pile is connected by conducting wire with DC power cathode.The beneficial effects of the present invention are: faradaic reaction stake of the invention is not only electrically conductive but also it can drain, with purification soil and can carry, function is more, and technical advantage is significant.
Description
Technical field
The present invention relates to foundation soil pollution amelioration and reinforcing, in particular to a kind of faradaic reaction stake and preparation method thereof.
Background technique
With the rapid development of our country's economy, pollution is also inevitably following.In coastal some developed regions,
Due to the fast development of its industry, cause the problem of soil body is by heavy metal pollution with regard to inevitable.Nowadays, the reparation of mainstream
The technology of soil mainly has biological restoration, electro reclamation, physical restoration etc..But more due to composition of the soil
It is complicated, polluter type is varied, property and type are all more complicated.These factors all bring ratio to the reparation of soil
Biggish challenge only has been difficult to reach rehabilitating soil purpose by a certain technology.
Therefore, multiple technologies joint, which is repaired, comes into being.Both electric repairing technique and permeable coefficient tensor are combined and closed
Get up attention contaminated soil repaired increasingly by domestic and international researcher.In addition, in coastal soft clay area mud
Matter soil there are water content it is high, permeability is small, shearing strength is low the problems such as.So a huge sum of money can be repaired by needing to seek one kind at present
Belong to pollution and the faradaic reaction stake and preparation method thereof of soil mass consolidation, it appears particularly significant.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, a kind of faradaic reaction stake and preparation method thereof is provided.
This faradaic reaction stake, including anode electrode hollow pile, cathode electrode hollow pile, conductive plastics drain bar, reaction
Property medium, DC power supply, conducting wire, vacuum pump, compression pump and water receiver；Anode electrode hollow pile and cathode electrode hollow pile are located at
In soft soil foundation, equipped with Polluted Soil between stake between anode electrode hollow pile and cathode electrode hollow pile；In cathode electrode hollow pile
Reaction-ability medium is filled in portion, fills sand inside anode electrode hollow pile, conductive plastics drain bar is vertically equidistantly glued along pile body
It is attached on the outside of anode electrode hollow pile and cathode electrode hollow pile；The anode electrode hollow pile passes through conducting wire and DC power supply
Anode is connected, and the cathode electrode hollow pile is connected by conducting wire with DC power cathode；The vacuum pump passes through
Drainpipe connects cathode electrode hollow pile；The water receiver passes through the electrode hollow stake of water-supply-pipe jointed anode；Described calms the anger
Pump is connected to anode electrode hollow pile by appendix.
As preferred: citric acid solution is housed in the water receiver.
As preferred: the anode electrode hollow pile and cathode electrode hollow pile is equipped with hole.
As preferred: electrode hollow stake bottom end is equipped with precast pile tip, sets on the outside of the conductive plastics drain bar of electrode hollow stake
There is steel immersed tube, steel immersed tube is embedded in the steel immersed tube locating slot reserved on precast pile tip.
The production method of this faradaic reaction stake, includes the following steps:
1), preformed electrode hollow pile；Using the stake of armored concrete prefabricated anode electrode hollow, cathode electrode hollow pile and
Precast pile tip；
2) reaction-ability medium and conductive plastics drain bar, are filled；It is hollow that conductive plastics drain bar is pasted onto cathode electrode
Stake outside, is fixed with cementing agent；Reaction-ability medium is filled inside cathode electrode hollow pile, is filled out inside anode electrode hollow pile
Fill sand；
3), pile sinking；Steel immersed tube is covered in anode electrode hollow pile and the cathode electricity for having pasted conductive plastics drain bar
Outside the hollow pile of pole, and steel immersed tube is embedded in the steel immersed tube locating slot reserved on precast pile tip, is pressed into steel immersed tube using stake machine
In soft soil foundation, steel immersed tube is extracted after completing pile sinking；
4) power supply, vacuum pump etc., are connected；The anode of DC power supply, cathode is electric with anode electrode hollow pile, cathode respectively
Pole hollow pile is connected by conducting wire；Vacuum pump is connected to cathode electrode hollow pile by drainpipe；Water receiver passes through water-supply-pipe
It is connected to anode electrode hollow pile；Compression pump is connected to anode electrode hollow pile by appendix；
5) electro reclamation heavy metal soil, is carried out；It is connected to DC power supply, electro reclamation is carried out, between stake in Polluted Soil
Heavy metal ion, from anode to movable cathode, is finally adsorbed on reaction-ability medium under electric field action, purifies a huge sum of money in weak soil
Belong to；
6), drainage by electroosmosis, soil mass consolidation；Start vacuum pump, under electroosmosis, anion in the soil body is to anode electrode
Hollow pile is mobile, and the cation for being adsorbed on soil particle surface is mobile to cathode electrode hollow pile with hydrone, passes through conduction
Soft soil foundation is discharged by drainpipe under the action of vacuum pump in plastic draining board, while being respectively formed hydrogen-oxygen at cathode and anode
Compound and binding material, Synchronous lifting inter-pile soil intensity and pile side friction；
7), form compound foundation；Electro reclamation is persistently carried out, until the heavy metal in weak soil is adsorbed completion, conduction modeling
Material drain bar does not have water discharge and soft soil foundation reaches required bearing capacity.
The beneficial effects of the present invention are:
(1) compared to traditional pile foundation, faradaic reaction stake of the invention is not only electrically conductive but also can drain, can also purify soil
It earth and can carry, function is more, and technical advantage is significant.
(2) the advantages of present invention incorporates electro reclamation and reaction stakes, had both repaired the heavy metal migrated in pollution weak soil,
Soft soil foundation is strengthened again, and technical advantage is significant.
(3) the electro reclamation process in the present invention includes consolidation by electroosmosis, is acted on by consolidation by electroosmosis and promotes weak soil particle
It is cementing, it so that forming binding material on pile body periphery, can reduce effect of driving pile, accelerate super quiet pore pressure dissipation, quickly mention
Pile side friction is risen, to improve the carrying and settlement Control ability of ground.
Detailed description of the invention
Fig. 1 is faradaic reaction stake system schematic；
Fig. 2 is electrode hollow stake schematic layout pattern；
Fig. 3 is cathode electrode hollow pile elevation；
Fig. 4 is anode electrode hollow pile elevation；
Fig. 5 is cathode electrode hollow pile cross-sectional view；
Fig. 6 is precast pile tip sectional view.
Description of symbols: 1-anode electrode hollow pile；2-cathode electrode hollow piles；3-conductive plastics drain bars；
4-reaction-ability mediums；5-steel immersed tube locating slots；6-precast pile tips；7-DC power supplies；8-conducting wires；9-vacuum pumps；10—
Compression pump；11-water receivers；12-citric acid solutions；13-soft soil foundations；14-supporting courses；Polluted Soil between 15-stakes；16—
Drainpipe；17-water-supply-pipes；18-appendixs；19-steel immersed tube；20-holes；21-sand.
Specific embodiment
The present invention is described further below with reference to embodiment.The explanation of following embodiments is merely used to help understand this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
The faradaic reaction stake, including anode electrode hollow pile 1, cathode electrode hollow pile 2, conductive plastics drain bar 3,
Reaction-ability medium 4, DC power supply 7, conducting wire 8, vacuum pump 9, compression pump 10 and water receiver 11；Anode electrode hollow pile 1 and cathode
Electrode hollow stake 2 is located in soft soil foundation 13, between anode electrode hollow pile 1 and cathode electrode hollow pile 2 be equipped with stake between pollute
Soil 15；Reaction-ability medium 4 is filled inside cathode electrode hollow pile 2, fills sand 21, conductive plastics inside anode electrode hollow pile 1
Drain bar 3 is vertically equidistantly pasted onto 2 outside of anode electrode hollow pile 1 and cathode electrode hollow pile along pile body, uses cementing agent
It is fixed；The anode electrode hollow pile 1 is connected by conducting wire 8 with 7 anode of DC power supply, the cathode electrode hollow pile
2 are connected by conducting wire 8 with 7 cathode of DC power supply；The vacuum pump 9 connects cathode electrode hollow pile 2 by drainpipe 16；
The water receiver 11 passes through 17 jointed anode electrode hollow stake 1 of water-supply-pipe；The compression pump 10 is connected by appendix 18
To anode electrode hollow pile 1.It is connected to power supply, carries out electro reclamation, heavy metal ion between stake in Polluted Soil 15 is to cathode electrode
Hollow pile 2 migrates, and is adsorbed on reaction-ability medium 4.Electro reclamation process includes electroosmosis, the anion in weak soil to
Anode electrode hollow pile 1 is mobile, is adsorbed on the cation on soil particle surface along with hydrone together to cathode electrode hollow pile 2
It is mobile, and hydroxide and binding material are formed at cathode and anode.
Citric acid solution 12 is housed, compression pump 10 can pump the citric acid solution in water receiver 11 in the water receiver 11
Enter the soil body, improves heavy metal from the analyzing efficiency in soil.
The anode electrode hollow pile 1 and cathode electrode hollow pile 2 is equipped with hole 20, for being connected to outside in hollow pile
The soil body, can also be replaced with permeable concrete pile.
Electrode hollow stake bottom end is equipped with precast pile tip 6, is equipped with steel immersed tube on the outside of the conductive plastics drain bar 3 of electrode hollow stake
19, steel immersed tube 19 is embedded in the steel immersed tube locating slot 5 reserved on precast pile tip 6, and steel immersed tube 19 is pasted onto electrode hollow for protecting
The conductive plastics drain bar 3 in stake outside, prevents it to be destroyed during the pile driving process.
The production method of the faradaic reaction stake, comprising the following steps:
(1), preformed electrode hollow pile.Using armored concrete prefabricated anode electrode hollow stake 1, cathode electrode hollow pile 2
And precast pile tip 6, as shown in Fig. 3, Fig. 4, Fig. 6.
(2), reaction-ability medium and conductive plastics drain bar are filled.Conductive plastics drain bar 3 is pasted onto cathode electrode sky
2 outside of heart stake, is fixed with cementing agent.Reaction-ability medium 4 is filled inside cathode electrode hollow pile 2, in anode electrode hollow pile 1
Inside filling sand 21.As shown in Figure 3, Figure 4.
(3), pile sinking.By 19 sets of steel immersed tube in anode electrode hollow pile 1, the yin for having pasted conductive plastics drain bar 3
Outside pole electrode hollow stake 2, and steel immersed tube 19 is embedded in the steel immersed tube locating slot 5 reserved on precast pile tip 6, as shown in Figure 6.Benefit
Steel immersed tube is pressed into soft soil foundation 13 with stake machine, extracts steel immersed tube 19 after completing pile sinking.
(4), power supply, vacuum pump etc. are connected.As shown in Figure 1, by the anode of DC power supply 7, cathode respectively with anode electrode
Hollow pile 1, cathode electrode hollow pile 2 are connected by conducting wire 8.To be connected to cathode electrode hollow by drainpipe 16 for vacuum pump 9
Stake 2.Water receiver 11 is connected to anode electrode hollow pile 1 by water-supply-pipe 17.Compression pump 10 is connected to anode by appendix 18
Electrode hollow stake 1.
(5), electro reclamation heavy metal soil is carried out.It is connected to DC power supply 7, electro reclamation is carried out, between stake in Polluted Soil 15
Heavy metal ion under electric field action from anode to movable cathode, be finally adsorbed on reaction-ability medium 4, reach purification it is soft
The purpose of heavy metal in soil.
(6), drainage by electroosmosis, soil mass consolidation.Start vacuum pump 9, under electroosmosis, the anion in the soil body is electric to anode
Pole hollow pile 1 is mobile, and the cation for being adsorbed on soil particle surface is mobile to cathode electrode hollow pile 2 with hydrone, passes through
Soft soil foundation is discharged by drainpipe 16 under the action of vacuum pump 9 in conductive plastics drain bar 3, while distinguishing at cathode and anode
Form hydroxide and binding material, Synchronous lifting inter-pile soil intensity and pile side friction.
(7), compound base is formed.Electro reclamation and drainage by electroosmosis are persistently carried out, until the heavy metal quilt in soil
Absorption is completed, and weak soil reaches required bearing capacity, ultimately forms composite foundation, as shown in Figure 2.
Claims (5)
1. a kind of faradaic reaction stake, which is characterized in that including anode electrode hollow pile (1), cathode electrode hollow pile (2), conduction
Plastic draining board (3), reaction-ability medium (4), DC power supply (7), conducting wire (8), vacuum pump (9), compression pump (10) and water receiver
(11)；Anode electrode hollow pile (1) and cathode electrode hollow pile (2) are located in soft soil foundation (13), anode electrode hollow pile (1)
Equipped with Polluted Soil (15) between stake between cathode electrode hollow pile (2)；Reaction-ability medium is filled inside cathode electrode hollow pile (2)
(4), sand (21) are filled inside anode electrode hollow pile (1), conductive plastics drain bar (3) is vertically equidistantly pasted onto along pile body
On the outside of anode electrode hollow pile (1) and cathode electrode hollow pile (2)；The anode electrode hollow pile (1) by conducting wire (8) with
DC power supply (7) anode is connected, and the cathode electrode hollow pile (2) is connected by conducting wire (8) with DC power supply (7) cathode
It connects；The vacuum pump (9) passes through drainpipe (16) connection cathode electrode hollow pile (2)；The water receiver (11) passes through defeated
Water pipe (17) jointed anode electrode hollow stake (1)；The compression pump (10) is connected to anode electrode sky by appendix (18)
Heart stake (1).
2. faradaic reaction stake according to claim 1, which is characterized in that molten equipped with citric acid in the water receiver (11)
Liquid (12).
3. faradaic reaction stake according to claim 1, which is characterized in that the anode electrode hollow pile (1) and cathode
Electrode hollow stake (2) is equipped with hole (20).
4. faradaic reaction stake according to claim 1, which is characterized in that electrode hollow stake bottom end is equipped with precast pile tip (6),
Steel immersed tube (19) are equipped on the outside of the conductive plastics drain bar (3) of electrode hollow stake, steel immersed tube (19) is embedded in pre- on precast pile tip (6)
The steel immersed tube locating slot (5) stayed.
5. a kind of production method based on faradaic reaction stake described in claim 1, it is characterised in that: include the following steps:
1), preformed electrode hollow pile；Use armored concrete prefabricated anode electrode hollow stake (1), cathode electrode hollow pile (2) with
And precast pile tip (6)；
2) reaction-ability medium and conductive plastics drain bar, are filled；Conductive plastics drain bar (3) is pasted onto cathode electrode hollow pile
(2) outside, is fixed with cementing agent；Reaction-ability medium (4) are filled inside cathode electrode hollow pile (2), it is hollow in anode electrode
Sand (21) are filled inside stake (1)；
3), pile sinking；Steel immersed tube (19) is covered in the anode electrode hollow pile (1) for having pasted conductive plastics drain bar (3) and
Cathode electrode hollow pile (2) is external, and steel immersed tube (19) are embedded in the steel immersed tube locating slot (5) reserved on precast pile tip (6), benefit
Steel immersed tube is pressed into soft soil foundation (13) with stake machine, extracts steel immersed tube (19) after completing pile sinking；
4) power supply, vacuum pump etc., are connected；By the anode of DC power supply (7), cathode respectively with anode electrode hollow pile (1), cathode
Electrode hollow stake (2) is connected by conducting wire (8)；Vacuum pump (9) is connected to cathode electrode hollow pile by drainpipe (16)
(2)；Water receiver (11) is connected to anode electrode hollow pile (1) by water-supply-pipe (17)；Compression pump (10) passes through appendix (18)
It is connected to anode electrode hollow pile (1)；
5) electro reclamation heavy metal soil, is carried out；It is connected to DC power supply (7), electro reclamation is carried out, between stake in Polluted Soil (15)
Heavy metal ion under electric field action from anode to movable cathode, be finally adsorbed on reaction-ability medium (4), purify weak soil in
Heavy metal；
6), drainage by electroosmosis, soil mass consolidation；Start vacuum pump (9), under electroosmosis, anion in the soil body is to anode electrode
Hollow pile (1) is mobile, and the cation for being adsorbed on soil particle surface is mobile to cathode electrode hollow pile (2) with hydrone, leads to
It crosses conductive plastics drain bar (3) and soft soil foundation is discharged by drainpipe (16) under the action of vacuum pump (9), while in cathode and sun
Hydroxide and binding material, Synchronous lifting inter-pile soil intensity and pile side friction are respectively formed at pole；
7), form compound foundation；Electro reclamation is persistently carried out, until the heavy metal in weak soil is adsorbed completion, conductive plastics row
Water plate (3) is discharged without water and soft soil foundation reaches required bearing capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196093.2A CN109811759B (en) | 2019-03-14 | 2019-03-14 | Electric reaction pile and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196093.2A CN109811759B (en) | 2019-03-14 | 2019-03-14 | Electric reaction pile and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN109811759A true CN109811759A (en) | 2019-05-28 |
| CN109811759B CN109811759B (en) | 2023-10-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420983A (en) * | 2019-08-30 | 2019-11-08 | 清华大学 | The method and system of joint elution, absorption and electro reclamation heavy-metal contaminated soil |
| CN114108598A (en) * | 2021-11-17 | 2022-03-01 | 广州市设计院集团有限公司 | Electroosmosis drainage rigid pile assembly and construction method |
| CN114951256A (en) * | 2022-05-24 | 2022-08-30 | 江苏澳洋环境科技有限公司 | Electronic improvement system of soil |
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| JP2010012445A (en) * | 2008-07-07 | 2010-01-21 | Tosaka Takuya | Method for treating contaminated soil |
| CN102505693A (en) * | 2011-11-11 | 2012-06-20 | 河海大学 | Electroosmosis assistant pile sinking technology and construction method thereof |
| CN204338567U (en) * | 2014-11-13 | 2015-05-20 | 江阴市华宏盈飞电渗科技有限公司 | Based on the electric osmose system of the electro reclamation heavy-metal contaminated soil of plastic electrode |
| CN109127718A (en) * | 2018-11-02 | 2019-01-04 | 江苏澳洋生态园林股份有限公司 | A kind of soil electro reclamation device |
| CN209923910U (en) * | 2019-03-14 | 2020-01-10 | 宁波大学 | Electric reaction pile |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010012445A (en) * | 2008-07-07 | 2010-01-21 | Tosaka Takuya | Method for treating contaminated soil |
| CN102505693A (en) * | 2011-11-11 | 2012-06-20 | 河海大学 | Electroosmosis assistant pile sinking technology and construction method thereof |
| CN204338567U (en) * | 2014-11-13 | 2015-05-20 | 江阴市华宏盈飞电渗科技有限公司 | Based on the electric osmose system of the electro reclamation heavy-metal contaminated soil of plastic electrode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420983A (en) * | 2019-08-30 | 2019-11-08 | 清华大学 | The method and system of joint elution, absorption and electro reclamation heavy-metal contaminated soil |
| CN114108598A (en) * | 2021-11-17 | 2022-03-01 | 广州市设计院集团有限公司 | Electroosmosis drainage rigid pile assembly and construction method |
| CN114951256A (en) * | 2022-05-24 | 2022-08-30 | 江苏澳洋环境科技有限公司 | Electronic improvement system of soil |
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| CN109811759B (en) | 2023-10-24 |
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