CN207581447U - For the sustained release oxidation unit of pollution clouds - Google Patents
For the sustained release oxidation unit of pollution clouds Download PDFInfo
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- CN207581447U CN207581447U CN201721616582.1U CN201721616582U CN207581447U CN 207581447 U CN207581447 U CN 207581447U CN 201721616582 U CN201721616582 U CN 201721616582U CN 207581447 U CN207581447 U CN 207581447U
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- reactive barrier
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Abstract
The utility model discloses a kind of sustained release oxidation unit for pollution clouds, which includes：Upstream permeable reactive barrier, upstream permeable reactive barrier are arranged on the upstream of underground water petroleum hydrocarbon pollution clouds；Downstream permeable reactive barrier, downstream permeable reactive barrier are arranged on the downstream of underground water petroleum hydrocarbon pollution clouds；Barrier wall, barrier wall are connected to downstream permeable reactive barrier both sides；Wherein, filler is filled in upstream permeable reactive barrier and downstream permeable reactive barrier, filler includes sustained release oxidant, water proof material is filled in barrier wall.The high cost of investment simultaneously of sustained release oxidation unit remediation efficiency for being used for pollution clouds is low.
Description
Technical field
The utility model belongs to groundwater science and engineering, field of environment engineering, is used to pollute more particularly, to one kind
Dizzy sustained release oxidation unit.
Background technology
In oil drilling, exploitation, refinery and transportational process, run, drip, leak or it is other due to release to ambient enviroment
The petroleum hydrocarbons of amplification quantity.Containing hundreds of compounds in oil, mainly it is made of alkane, cycloalkane and aromatic hydrocarbon, about
The 50~80% of oil content, referred to as petroleum hydrocarbon are accounted for, remaining is the organic compound of the elements such as nitrogenous non-hydrocarbons, sulphur and oxygen.
The health of the larger arene substances on human of its Poisoning forms grave danger.
For Petroleum concentration underground water, mainly there is following treatment process at present：(1) pump-and-treat system technique, (2) original positionization
Learn oxidation technology, (3) monitoring Natural Attenuation, (4) original position permeable reactive barrier technique, (5) chemical leaching technique, (6) heat treatment
Technique.
In situ chemical oxidation technique is that oxidating chemicals are injected into water-bearing layer, it is made to be migrated in pollution clouds, and impurely
Lower water comes into full contact with, and pollutant is aoxidized.This process selection medicament is strong oxidizer, and activity is higher, it is difficult to which long-term existence is in ground
In lower water, the waste of medicament is easily caused.Permeable reactive barrier technique in situ is to build permeable reaction in polluted underground water downstream
Wall, fills reactive material within the walls, and polluted underground water is cleaned when flowing through reaction wall.Reaction in-situ wall is a kind of passive reparation skill
Art, remediation efficiency is relatively low, needs long-term operation management.
Utility model content
The utility model provides a kind of sustained release oxidation unit for pollution clouds, this is used for the slow-release oxygen makeup of pollution clouds
It is low to put the high cost of investment simultaneously of remediation efficiency.
To achieve these goals, the utility model provides a kind of sustained release oxidation unit for pollution clouds, this is used for dirt
The dizzy sustained release oxidation unit of dye includes：
Upstream permeable reactive barrier, the upstream permeable reactive barrier are arranged on the upper of underground water petroleum hydrocarbon pollution clouds
Trip；
Downstream permeable reactive barrier, the downstream permeable reactive barrier are arranged on the underground water petroleum hydrocarbon pollution clouds
Downstream；
Barrier wall, the barrier wall are connected to the downstream permeable reactive barrier both sides；
Wherein, filler, the filler are filled in the upstream permeable reactive barrier and the downstream permeable reactive barrier
Including being sustained oxidant, water proof material is filled in the barrier wall.
Preferably, the angle between barrier wall and the downstream permeable reactive barrier is 30 ° -60 °.
Preferably, 3-5 times of length for the downstream permeable reactive barrier of the length of the upstream permeable reactive barrier.
Preferably, the upstream permeable reactive barrier and the downstream permeable reactive barrier are "-" type.
Preferably, the sustained release oxidant coats permanganate for paraffin.
Preferably, the filler is the mixture for being sustained oxidant and natural sand gravel.
Preferably, the upstream permeable reactive barrier and the downstream permeable reactive barrier include：Water proof section and set on institute
Permeable section above water proof section is stated, the filler is filled in described permeable section, described permeable section of highest point water located underground
At water level more than 1m-2m, described permeable section of lowest part is located at below the depth capacity of the underground water petroleum hydrocarbon pollution clouds
At 1m-2m.
Preferably, the upstream permeable reactive barrier and the downstream permeable reactive barrier are further included set on described permeable section
The top water proof section of top.
Preferably, monitoring well is further included, the monitoring well is set to the underground water petroleum hydrocarbon pollution clouds both sides.
Preferably, the water proof material includes at least one of bentonite, natural clay and cement concrete.
The beneficial effects of the utility model are：Pass through setting for upstream permeable reactive barrier and downstream permeable reactive barrier
It puts, when subsurface flow is through upstream permeable reactive barrier, brings oxidant into underground water petroleum hydrocarbon pollution clouds, oxidation disposition pollution
Object；When polluted underground water flows through downstream permeable reactive barrier, oxidating chemicals are discharged again, and be sufficiently mixed with polluted underground water,
Thoroughly removal pollutant.So as to substantially increase remediation efficiency, while by the setting of permeable reactive barrier, reduce drug
Waste greatly reduces cost of investment.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
The utility model illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the utility model it is upper
It states and other purposes, feature and advantage will be apparent, wherein, in the utility model illustrative embodiments, phase
Same reference label typically represents same parts.
Fig. 1 shows the schematic of the sustained release oxidation unit for pollution clouds of one embodiment according to the present utility model
Structure chart.
Fig. 2 shows the sectional views of the downstream permeable reactive barrier of one embodiment according to the present utility model.
Reference sign：
1st, upstream permeable reactive barrier；2nd, underground water petroleum hydrocarbon pollution clouds；3rd, barrier wall；4th, the permeable reaction in downstream
Wall；5th, monitoring well；6th, top water proof section；7th, permeable section；8th, water proof section；9th, aquifer floor elevation.
Specific embodiment
The preferred embodiment of the utility model is described in more detail below.Although the following describe the utility model
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the utility model without the implementation that should be illustrated here
Mode is limited.On the contrary, these embodiments are provided so that the utility model is more thorough and complete, and can be by this
The range of utility model is completely communicated to those skilled in the art.
The utility model discloses a kind of sustained release oxidation units for pollution clouds, this is used for the slow-release oxygen makeup of pollution clouds
Put including：
Upstream permeable reactive barrier, upstream permeable reactive barrier are arranged on the upstream of underground water petroleum hydrocarbon pollution clouds；
Downstream permeable reactive barrier, downstream permeable reactive barrier are arranged on the downstream of underground water petroleum hydrocarbon pollution clouds；
Barrier wall, barrier wall are connected to downstream permeable reactive barrier both sides；
Wherein, it is aoxidized in upstream permeable reactive barrier and downstream permeable reactive barrier filled with filler, filler including sustained release
Agent, barrier wall is interior to be filled with water proof material.
Specifically, in underground water petroleum hydrocarbon pollution clouds upstream and downstream mechanical slotting, filling is sustained oxidation material, and foundation can ooze
Saturating reaction wall.Oxidant slow release in underground environment.When subsurface flow is through upstream permeable reactive barrier, oxidant is brought into
Underground water petroleum hydrocarbon pollution clouds, oxidation disposition pollutant；When polluted underground water flows through downstream permeable reactive barrier, discharge again
Oxidating chemicals, and be sufficiently mixed with polluted underground water, pollutant is thoroughly removed, realizes the purpose of protection downstream underground water.So as to
Remediation efficiency is substantially increased, while by the setting of permeable reactive barrier, the waste for reducing drug greatly reduces investment
Cost.
Preferably, the angle between barrier wall and downstream permeable reactive barrier is 30 ° -60 °, so as to barrier wall with
Downstream permeable reactive barrier is in " hopper valve type structure ", convenient for subsurface flow through downstream permeable reactive barrier.
Preferably, 3-5 times of length for downstream permeable reactive barrier of the length of upstream permeable reactive barrier.
Preferably, upstream permeable reactive barrier and downstream permeable reactive barrier are "-" type.
Preferably, sustained release oxidant coats permanganate for paraffin.
Specifically, sustained release oxidant passes through melt paraffin and permanganate 1：1 mixing, is quickly cooled down and is made, and crushes and cut
It is cut into grain size D90<Blocky medicament less than 10mm.
Preferably, filler is the mixture for being sustained oxidant and natural sand gravel.
Specifically, filler is sustained release oxidant and natural sand gravel in mass ratio 1：5 mixing.
Preferably, upstream permeable reactive barrier and downstream permeable reactive barrier include：Water proof section and set on water proof
Permeable section of Duan Shangfang, filler is filled in permeable section, at permeable section of highest point water water level more than 1m-2m located underground, thoroughly
Below the depth capacity of the lowest part water petroleum hydrocarbon pollution clouds located underground of water section at 1m-2m, the short stream of underground water is prevented.Water proof
The water proofs materials such as the fillable bentonite of section, natural clay, cement concrete.
Preferably, upstream permeable reactive barrier and downstream permeable reactive barrier are further included above permeable section
Top water proof section.
Preferably, monitoring well is further included, monitoring well is set to underground water petroleum hydrocarbon pollution clouds both sides.
Preferably, water proof material includes at least one of bentonite, natural clay and cement concrete.
It is highly preferred that the water proofs material such as trip reaction wall barrier part fillable bentonite, natural clay, cement concrete,
Its antiseepage coefficient should be less than 100-200 times of the infiltration coefficient of downstream permeable reactive barrier.
Embodiment
Fig. 1 shows the schematic of the sustained release oxidation unit for pollution clouds of one embodiment according to the present utility model
Structure chart.Fig. 2 shows the sectional views of the downstream permeable reactive barrier of one embodiment according to the present utility model.
As illustrated in figs. 1 and 2, which includes：
Upstream permeable reactive barrier 1, upstream permeable reactive barrier 1 are arranged on the upstream of underground water petroleum hydrocarbon pollution clouds 2；
Downstream permeable reactive barrier 4, downstream permeable reactive barrier 4 are arranged on the downstream of underground water petroleum hydrocarbon pollution clouds 2；
Barrier wall 3, barrier wall 3 are connected to 4 both sides of downstream permeable reactive barrier；
Wherein, filler is filled in upstream permeable reactive barrier 1 and downstream permeable reactive barrier 4, filler includes slow-release oxygen
Agent, barrier wall 3 is interior to be filled with water proof material.
Wherein, the angle between barrier wall 3 and downstream permeable reactive barrier 4 is 45 °.
Wherein, 4 times of length for downstream permeable reactive barrier 4 of the length of upstream permeable reactive barrier 1.
Wherein, upstream permeable reactive barrier 1 and downstream permeable reactive barrier 4 are "-" type.
Wherein, sustained release oxidant coats permanganate for paraffin.
Wherein, filler is the mixture for being sustained oxidant and natural sand gravel.
Wherein, upstream permeable reactive barrier 1 and downstream permeable reactive barrier 4 include：Water proof section 8 and in water proof section 8
Permeable section 7 of side, filler is filled in permeable section 7, permeable section 7 of highest point water water level located underground (in Fig. 2 shown in dotted line)
At more than 1.5m, below the depth capacity of permeable section 7 of lowest part water petroleum hydrocarbon pollution clouds located underground at 1.5m.
Wherein, upstream permeable reactive barrier 1 and downstream permeable reactive barrier 4 further include the top above permeable section 7
Water proof section 6.
Wherein, monitoring well 5 is further included, monitoring well 5 is set to 2 both sides of underground water petroleum hydrocarbon pollution clouds.
Wherein, water proof material includes at least one of bentonite, natural clay and cement concrete.
Specifically, the sustained release oxidation unit for pollution clouds can be set according to following steps：
1st, groove is dug respectively in the upstream and downstream of underground water petroleum hydrocarbon pollution clouds 2, channel excavation to aquifer floor elevation 9,
Groove is used to set upstream permeable reactive barrier, downstream permeable reactive barrier and blocks wall.The length of downstream permeable reactive barrier 4
1/4 for upstream permeable reactive barrier 1.
The 2nd, barrier wall 3 is set, wherein the water proofs material such as fillable bentonite, natural clay, cement concrete, antiseepage system
Number should be less than 100 times of AQUIFER HYDRAULIC.
3rd, vertically it is laid with geotechnological row in the trenched side-wall where upstream permeable reactive barrier 1 and downstream permeable reactive barrier 4
The network of rivers, to protect filler.
4th, in the trench floor filling bentonite, natural where upstream permeable reactive barrier 1 and downstream permeable reactive barrier 4
The water proofs such as clay, cement concrete material forms water proof section 8, and antiseepage coefficient should be less than 100 times of AQUIFER HYDRAULIC, every
8 top of water section is located at 1.5m below greatest contamination depth.
5th, sustained release oxidant is prepared, by it with natural sand stone according to mass ratio 1：5 mix, and groove is inserted after mixing, maximum
Landfill height is level of ground water more than 1.5m.
6th, after filling, the 4 top filling water proof material envelope of permeable reactive barrier 1 and downstream permeable reactive barrier in upstream
Top forms top water proof section 6, is required with water proof section 8 identical.
7th, in Polluted area surrounding and downstream permeable reactive barrier peripheral hardware long term monitoring well, detection underground water pollution concentration becomes
Change.
Each embodiment of the utility model is described above, above description is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.
Claims (10)
1. a kind of sustained release oxidation unit for pollution clouds, which is characterized in that including：
Upstream permeable reactive barrier, the upstream permeable reactive barrier are arranged on the upstream of underground water petroleum hydrocarbon pollution clouds；
Downstream permeable reactive barrier, the downstream permeable reactive barrier are arranged under the underground water petroleum hydrocarbon pollution clouds
Trip；
Barrier wall, the barrier wall are connected to the downstream permeable reactive barrier both sides；
Wherein, include in the upstream permeable reactive barrier and the downstream permeable reactive barrier filled with filler, the filler
Oxidant is sustained, water proof material is filled in the barrier wall.
2. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that the barrier wall with it is described
Angle between the permeable reactive barrier of downstream is 30 ° -60 °.
3. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that the upstream is permeable anti-
The length for answering wall is 3-5 times of the length of the downstream permeable reactive barrier.
4. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that the upstream is permeable anti-
It is "-" type to answer wall and the downstream permeable reactive barrier.
5. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that it is described sustained release oxidant be
Paraffin coats permanganate.
6. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that the filler is slow-release oxygen
Agent and the mixture of natural sand gravel.
7. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that the upstream is permeable anti-
Wall and the downstream permeable reactive barrier is answered to include：Water proof section and permeable section above the water proof section, the filler is filled out
It fills in described permeable section, at described permeable section of highest point water water level more than 1m-2m located underground, described permeable section minimum
Place is at 1m-2m below the depth capacity of the underground water petroleum hydrocarbon pollution clouds.
8. the sustained release oxidation unit according to claim 7 for pollution clouds, which is characterized in that the upstream is permeable anti-
It answers wall and the downstream permeable reactive barrier further includes top water proof section above described permeable section.
9. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that further include monitoring well, institute
It states monitoring well and is set to the underground water petroleum hydrocarbon pollution clouds both sides.
10. the sustained release oxidation unit according to claim 1 for pollution clouds, which is characterized in that the water proof material packet
Include at least one of bentonite, natural clay and cement concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616582.1U CN207581447U (en) | 2017-11-28 | 2017-11-28 | For the sustained release oxidation unit of pollution clouds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616582.1U CN207581447U (en) | 2017-11-28 | 2017-11-28 | For the sustained release oxidation unit of pollution clouds |
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| CN207581447U true CN207581447U (en) | 2018-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775862A (en) * | 2019-01-30 | 2019-05-21 | 中国环境科学研究院 | A kind of permeable reaction wall and underground water pollution biology in situ renovation method |
| CN115286089A (en) * | 2022-08-10 | 2022-11-04 | 中国市政工程西南设计研究总院有限公司 | Permeable reactive barrier coupled with heterogeneous advanced oxidation technology |
-
2017
- 2017-11-28 CN CN201721616582.1U patent/CN207581447U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775862A (en) * | 2019-01-30 | 2019-05-21 | 中国环境科学研究院 | A kind of permeable reaction wall and underground water pollution biology in situ renovation method |
| CN109775862B (en) * | 2019-01-30 | 2020-12-22 | 中国环境科学研究院 | Permeable reaction wall and in-situ bioremediation method for groundwater pollution |
| CN115286089A (en) * | 2022-08-10 | 2022-11-04 | 中国市政工程西南设计研究总院有限公司 | Permeable reactive barrier coupled with heterogeneous advanced oxidation technology |
| CN115286089B (en) * | 2022-08-10 | 2023-10-20 | 中国市政工程西南设计研究总院有限公司 | Permeable reaction wall coupled with heterogeneous advanced oxidation technology |
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