CN106006771B - Multichannel for polluting water and soil reparation is connected to gang of wells and takes out filling circulating water treatment method - Google Patents
Multichannel for polluting water and soil reparation is connected to gang of wells and takes out filling circulating water treatment method Download PDFInfo
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- CN106006771B CN106006771B CN201610378346.4A CN201610378346A CN106006771B CN 106006771 B CN106006771 B CN 106006771B CN 201610378346 A CN201610378346 A CN 201610378346A CN 106006771 B CN106006771 B CN 106006771B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000002689 soil Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 31
- 239000007924 injection Substances 0.000 claims abstract description 31
- 238000003672 processing method Methods 0.000 claims abstract description 6
- 239000003657 drainage water Substances 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 23
- 230000008439 repair process Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005067 remediation Methods 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The multichannel that the invention discloses a kind of for polluting water and soil reparation is connected to gang of wells and takes out filling circulating water treatment method, the processing method includes the following steps: within the scope of contaminated site to be repaired, recharge unit row is successively replaced dislocation with drainage cell row to lay, wherein, the recharge branch pipe and several injection well casings being connected with the recharge branch pipe that the recharge unit row is arranged by a horizontal direction form, and the charge for remittance branch pipe and several well-point pipes being connected with the charge for remittance branch pipe that the drainage cell row is arranged by a horizontal direction form；Each recharge unit row is connected with backflow device later, and each drainage cell row is connected with captation；The backflow device and the captation is respectively started, injection recharge and pump drainage water are carried out to contaminated site to be repaired.It is an advantage of the invention that the remediation efficiency of the processing method is high, and realize the refinement management that different processing units row or single well-point pipe are carried out according to effluent quality difference.
Description
Technical field
The invention belongs to pollute water and soil recovery technique field, and in particular to a kind of for polluting the multichannel of water and soil in-situ immobilization
It is connected to gang of wells and takes out filling circulating water treatment method.
Background technique
With the arrival of China's Period, most cities start to carry out land transformation, and original industrial enterprise moves out, and stays
The palm fibre ground largely polluted in various degree down, adversely affects to the secondary development in soil, brings huge health and life
State environmental risk, while the safety of the infrastructure such as corresponding building can also be had some impact on, carry out soil thus
And the prevention and control of underground water become more and more important with improvement.
Four major class: physical method, chemical method, bioanalysis are broadly divided into for the repairing and treating method of soil and groundwater at present
And combination method, specific recovery technique type is more, including the extracting of solidification and stabilization, gas phase, elution technique, thermal desorption and plant
Or microorganism remediation etc..It is divided into in-situ immobilization and showering according to disposal options, but is driven into soil or underground moisture
Row is administered, and application of traditional underground water pump-and-treat technology in the integration of pollution water and soil is repaired increasingly is closed
Note, and unidirectional extraction, unidirectional injection are evolved as, and extraction injects the various technologies combined with medicament；But the technology
There are still extractions to cause surface subsidence, and soil consolidation, medicament injection is not in place, treatment effeciency is low, consuming is a large amount of manually, effect is difficult
The problems such as to guarantee.
Summary of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide a kind of for polluting the more of water and soil reparation
Road is connected to gang of wells and takes out the circulating water treatment method that fills, which is arranged by recharge unit successively replaces dislocation with drainage cell row
It lays to carry out recharge and draining, prevents from unidirectionally drawing back and cause the soil textures such as soil solidifying not in time with recharge
It destroys.
The object of the invention realization is completed by following technical scheme:
A kind of multichannel connection gang of wells pumping filling circulating water treatment method for polluting water and soil reparation, it is characterised in that the place
Reason method includes the following steps: within the scope of contaminated site to be repaired, and recharge unit row is successively replaced with drainage cell row
Dislocation is laid, wherein recharge branch pipe that recharge unit row is arranged by a horizontal direction and several with the recharge branch pipe phase
The injection well casing of connection forms, the charge for remittance branch pipe and several and charge for remittance branch that the drainage cell row be arranged by a horizontal direction
The well-point pipe composition that pipe is connected, the alternately dislocation laying, which refers to, exists well-point pipe described in injection well casing described in each row and each row
Alternately laying is carried out on odd, even number row；Each recharge unit row is connected with backflow device later, and by each draining
Unit row is connected with captation；The backflow device and the captation is respectively started to contaminated site to be repaired
Carry out injection recharge and pump drainage water.
Water proof barrier is arranged in contaminated site range outer rim to be repaired.
Injection well casing upper end and the well-point pipe upper end are provided with water sampling valve.
Each recharge branch pipe is connected through recharge main pipe with the backflow device after crossing, setting in the recharge main pipe
There is main pipe shut-off valve.
The input terminal of the recharge branch pipe is provided with recharge valve, and the output end of the charge for remittance branch pipe is provided with water sampling
Valve.
According to the actual repair situation of contaminated site range, closing reaches reparation and the recharge unit at position is required to arrange
In the water sampling valve that stops in recharge and drainage cell row of recharge valve stop draining, and open remaining and be not up to
Repair the water sample for requiring the recharge valve in the row of the recharge unit at position to carry out in recharge and drainage cell row
Acquisition valve is drained.
According to the actual repair situation of contaminated site range, the injection well casing not up to repaired and required at position is opened
And the water sampling valve in the well-point pipe carries out recharge and draining, and closes remaining and reach reparation and require at position
The water sampling valve in the injection well casing and the well-point pipe.
It is an advantage of the invention that the processing method is based on, the progress of more circuits is multistage to be connected, and constitutes one and passes through valve control
The efficient pollution water and soil circulation of system takes out fill system, traditional treatment method disadvantage is compensated for, prevented also from unidirectionally drawing back with recharge not
The destruction of the soil textures such as soil solidifying caused by time, ensure that the continuity for the treatment of effeciency；The work of artificial injection is saved
Measure, can continuous work round the clock, and realize and different processing units row or single well-point pipe carried out according to effluent quality difference
Refinement management.
Detailed description of the invention
Fig. 1 is that multichannel connection gang of wells pumping filling circular water treating system plane connects layout drawing in the present invention；
Fig. 2 is that multichannel is connected to the diagrammatic cross-section that gang of wells takes out filling circular water treating system in the present invention；
Fig. 3 is that multichannel is connected to the enlarged local section schematic diagram that gang of wells takes out filling circular water treating system in the present invention.
Specific embodiment
Feature of the invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade:
Such as Fig. 1-3, label 1- is respectively as follows: backflow device 1, main pipe shut-off valve 2, flowmeter 3, pressure gauge 4, recharge valve in figure
Door 5, injection well casing 6, vacuum pump 7, water sampling valve 8, recharge main pipe 9, recharge branch pipe 10, water proof barrier 11, charge for remittance main pipe 12,
Captation 13, well-point pipe 14, charge for remittance branch pipe 15.
Embodiment: as shown in Figure 1, 2, 3, the present embodiment is more particularly to a kind of for polluting the multichannel connected well of water and soil reparation
Group, which takes out, fills circulating water treatment method, which includes the following steps:
(1) preliminary investigation is carried out to contaminated site, and emphasis Polluted area is marked off according to survey data, as shown in Figure 1,
Water proof barrier 11 is enclosed in the periphery setting one of emphasis Polluted area it individually to be isolated to carry out repair process, water proof barrier
11 go deep into the water proof layer depth into the soil body；
(2) as shown in Figure 1, 2, in the region that water proof barrier 11 is drawn a circle to approve, recharge unit is arranged and is discharged into drainage cell
Row alternately lay by dislocation, that is, and recharge unit row is laid in odd row, lays drainage cell row in even rows, it is all to cover
Contaminated site；
Wherein, recharge unit row is made of the injection well casing 6 that a recharge branch pipe 10 and several intervals are laid, recharge branch
Pipe 10 is horizontally disposed, and on ground, the upper end of each injection well casing 6 is connected by water sampling valve 8 with the recharge branch pipe 10,
The on-off of each injection well casing 6, water sampling valve are accurately controlled by the closure or openness operation to water sampling valve 8
8 original state is to open；Injection well casing 6 deeply repairs depth or less position to design as shown in Figure 2,3 and is in water-bearing layer
Among, to guarantee in persistent loop, repairing all of above region of depth can contact with medicament；Recharge branch pipe 10
Input terminal be disposed with flowmeter 3, pressure gauge 4 and recharge valve 5, wherein recharge valve 5 be specially three-way valve, can
External pressurizing device；
Drainage cell row is made of the well-point pipe 14 that a charge for remittance branch pipe 15 and several intervals are laid, 15 water of charge for remittance branch pipe
Plain cloth is placed on ground, and the upper end of each well-point pipe 14 is connected by water sampling valve 8 with the charge for remittance branch pipe 15, by water
Sample acquisition valve 8 closure or openness operation so as to accurately control each well-point pipe 14 on-off and to the water body flowed through at this into
Row sample detecting, the original state of water sampling valve 8 are to open；Well-point pipe 14 is as shown in Figure 2 deeply into water-bearing layer；Charge for remittance branch
The output end of pipe 15 is disposed with water sampling valve 8, pressure gauge 4, vacuum pump 7 and flowmeter 3, wherein water sample herein
Acquisition valve 8 can operate the on-off of entire row well-point pipe 14, and can detect to the water quality flowed through at this；
It should be noted that respectively arranging well-point pipe 14 with each row's injection well casing 6 in such a way that dislocation is laid, i.e., such as Fig. 1,2
Shown, each well-point pipe 14 in drainage cell row is arranged between two injection well casings 6 in adjacent recharge unit row, thus
It realizes complementary, while being drawn water and recharge, form a continuous Hydraulic Circulation between well-point pipe 14 and injection well casing 6,
Accelerate the replacing velocity of circulation solution and the reaction speed of medicament；
(3) as shown in Figure 1, 2, it is connected after the input terminal of each recharge branch pipe 10 being crossed with recharge main pipe 9, recharge main pipe
9 other end is then connected with backflow device 1, and main pipe shut-off valve 2 is provided on the pipeline of recharge main pipe 9, for controlling
The on-off of recharge main pipe 9；
It is connected after the output end of each charge for remittance branch pipe 15 is crossed with charge for remittance main pipe 12, the other end of charge for remittance main pipe 12 is then same
Captation 13 is connected, for recycling contaminant water and carrying out sewage treatment；
(4) as shown in Figure 1-3, being repaired after wait take out filling circular water treating system installation connection to Polluted area
Processing:
The water sampling valve 8 and vacuum pump 7 opened on each drainage cell row draw water, and sewage converges through each well-point pipe 14
Enter in charge for remittance main pipe 12, captation 13 handles collected sewage；
When the flowmeter 3 on charge for remittance branch pipe detects that water outlet water is smaller, the recharge main valve 2 on recharge main pipe 9 is opened
And the recharge valve 5 in each recharge unit row, it is pressurizeed by backflow device 1 into each injection well casing 6 and pours into medicament or clear water,
Enter medicament in pollution water and soil to be reacted；The operation for keeping vacuum pump 7 simultaneously is imitated by controlling to adjust to draw water with recharge
Rate makes water outlet and recharge amount tend towards stability, and maintains the operational situation, and one is formed between well-point pipe 14 and injection well casing 6
Continuous Hydraulic Circulation accelerates the replacing velocity of circulation solution and the reaction speed of medicament；
(5) as shown in Figure 1-3, during pump drainage water, using the water sampling valve 8 on charge for remittance branch pipe 15 to effluent quality
Periodic detection is carried out, after the effluent quality in all well-point pipes 14 meets and repairs requirement, then twice of clear water of continuous circulation；
Since contaminated site region is larger and geological conditions has difference, there is a situation where to repair uneven, that is, partial zones
Domain reaches that reparation requires and regional area not up to repairs the case where requiring, and further discharges into row reparation using point as a result,
Method, for example, as shown in Figure 1, water and soil is not up to repaired in the recharge unit row of the 1st, 2 rows and the sphere of action of drainage cell row
It is multiple to require, and water and soil reaches reparation requirement in the sphere of action of remaining element row, then closes charge for remittance branch in remaining element row respectively
The recharge valve 5 on water sampling valve 8 and recharge branch pipe 10 on pipe 15, later by the recharge unit row of the 1st row and the 2nd
The drainage cell row of row carries out further recharge and the pollution of pump drainage to pollution water and soil according to method described in step (4)
Repair process, until detection reaches reparation requirement；
Certainly, pollution amelioration requirement is not up to for water and soil in the sphere of action of individual injection well casings 6 and well-point pipe 14
And remaining region reaches the case where pollution amelioration requirement, then the method repaired using single tube, for example, opening area to be repaired
The water sampling valve 8 on water sampling valve 8 and area to be repaired well-point pipe 14 on domain injection well casing 6, and close remaining note
Water sampling valve 8 on medicine well casing 6, well-point pipe 14, later by the injection well casing 6 and well-point pipe 14 at individual areas to be repaired
It is handled according to the pollution amelioration that method described in step (4) carries out further recharge and pump drainage to pollution water and soil, until
Until detection reaches reparation requirement.
The beneficial effect of the present embodiment is:
(1) extracting and recharge carry out simultaneously, form local hydraulic circulation, the relatively efficiency of the unidirectional processing method of tradition more
It is good, it is more preferable to the cleaning and removal effect of pollutant；
(2) system, which is taken out, fills continuous, prevents soil solidifying and soil texture caused by unidirectionally extracting and recharge not in time
Destruction, ensure that the continuity for the treatment of effeciency.
(3) system operatio is flexible, can carry out individual unit row processing, even single well point by valve respectively
Control and management；
(4) compared to traditional artificial single injection recharge, the processing method efficiency is higher, saves a large amount of manpowers, and can be with
Round-the-clock operation；
(5) treatment effect and processing cost are lower, especially preferable to the pollution effects that homogenize for having certain area, by going out
Water water quality dynamic adjustment processing region range, reduces it gradually, more targetedly, saves low level management bring medicament wave
Take, realizes fine-grained management.
Claims (5)
1. a kind of multichannel for polluting water and soil reparation is connected to gang of wells and takes out filling circulating water treatment method, it is characterised in that the processing
Method includes the following steps: within the scope of contaminated site to be repaired, and recharge unit row is successively replaced mistake with drainage cell row
It lays position, wherein recharge branch pipe that recharge unit row is arranged by a horizontal direction and several be connected with the recharge branch pipe
The injection well casing composition connect, the charge for remittance branch pipe and several and charge for remittance branch pipe that the drainage cell row is arranged by a horizontal direction
The well-point pipe composition being connected, the alternately dislocation laying, which refers to, exists well-point pipe described in injection well casing described in each row and each row
Alternately laying is carried out on odd, even number row；Each recharge unit row is connected with backflow device later, and by each draining
Unit row is connected with captation；The backflow device and the captation is respectively started to contaminated site to be repaired
Carry out injection recharge and pump drainage water；Injection well casing upper end and the well-point pipe upper end are provided with water sampling
Valve；According to the actual repair situation of contaminated site range, open the injection well casing not up to repaired require at position and
The water sampling valve in the well-point pipe carries out recharge and draining, and close remaining reach reparation require it is described at position
The water sampling valve in injection well casing and the well-point pipe.
2. a kind of multichannel for polluting water and soil reparation according to claim 1 is connected to gang of wells and takes out filling circulating water treatment side
Method, it is characterised in that arrange water proof barrier in contaminated site range outer rim to be repaired.
3. a kind of multichannel for polluting water and soil reparation according to claim 1 is connected to gang of wells and takes out filling circulating water treatment side
Method, it is characterised in that each recharge branch pipe is connected through recharge main pipe with the backflow device after crossing, the recharge main pipe
Inside it is provided with main pipe shut-off valve.
4. a kind of multichannel for polluting water and soil reparation according to claim 1 is connected to gang of wells and takes out filling circulating water treatment side
Method, it is characterised in that the input terminal of the recharge branch pipe is provided with recharge valve, and the output end of the charge for remittance branch pipe is provided with water
Sample acquires valve.
5. a kind of multichannel for polluting water and soil reparation according to claim 4 is connected to gang of wells and takes out filling circulating water treatment side
Method, it is characterised in that according to the actual repair situation of contaminated site range, close the recharge for reaching and repairing and requiring at position
The water sampling valve that recharge valve in unit row stops in recharge and drainage cell row stops draining, and opens remaining
It not up to repairs and the recharge valve in the row of the recharge unit at position is required to carry out in recharge and drainage cell row
Water sampling valve drained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378346.4A CN106006771B (en) | 2016-06-01 | 2016-06-01 | Multichannel for polluting water and soil reparation is connected to gang of wells and takes out filling circulating water treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378346.4A CN106006771B (en) | 2016-06-01 | 2016-06-01 | Multichannel for polluting water and soil reparation is connected to gang of wells and takes out filling circulating water treatment method |
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| CN106006771A CN106006771A (en) | 2016-10-12 |
| CN106006771B true CN106006771B (en) | 2019-08-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848193B (en) * | 2018-12-31 | 2021-01-12 | 上海勘察设计研究院(集团)有限公司 | Underground water in-situ remediation method based on hydraulic barrier |
| CN110756572B (en) * | 2019-11-01 | 2020-12-08 | 江西景华生态科技股份有限公司 | Sustainable soil remediation system and remediation method thereof |
| CN111423069A (en) * | 2020-04-27 | 2020-07-17 | 北京市市政四建设工程有限责任公司 | Groundwater pumping treatment recharge system and groundwater treatment method |
| CN112517622B (en) * | 2020-11-18 | 2022-01-28 | 吉林大学 | Contaminated soil strengthening in-situ thermal desorption heating device and method |
| CN112808757A (en) * | 2020-12-29 | 2021-05-18 | 中科华鲁土壤修复工程有限公司 | Group type extraction and injection integrated repair system for small-area supply-free underground water well |
| CN118218390B (en) * | 2024-05-27 | 2024-09-06 | 江苏省环境工程技术有限公司 | On-site in-situ indigenous microorganism repairing device and method for site contaminated soil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330084A (en) * | 2003-05-07 | 2004-11-25 | Kubota Corp | Method and equipment for contaminated-soil in situ treatment |
| JP2012110813A (en) * | 2010-11-24 | 2012-06-14 | Kajima Corp | Method for cleaning contaminated soil and groundwater region |
| CN104138896A (en) * | 2014-06-25 | 2014-11-12 | 东南大学 | In-situ pumping and injecting restoration device for polluted soil, restoring method and mounting method of restoration device |
-
2016
- 2016-06-01 CN CN201610378346.4A patent/CN106006771B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330084A (en) * | 2003-05-07 | 2004-11-25 | Kubota Corp | Method and equipment for contaminated-soil in situ treatment |
| JP2012110813A (en) * | 2010-11-24 | 2012-06-14 | Kajima Corp | Method for cleaning contaminated soil and groundwater region |
| CN104138896A (en) * | 2014-06-25 | 2014-11-12 | 东南大学 | In-situ pumping and injecting restoration device for polluted soil, restoring method and mounting method of restoration device |
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| CN106006771A (en) | 2016-10-12 |
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