CN206661919U - Contaminated soil in-situ purification system - Google Patents
Contaminated soil in-situ purification system Download PDFInfo
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- CN206661919U CN206661919U CN201720169401.9U CN201720169401U CN206661919U CN 206661919 U CN206661919 U CN 206661919U CN 201720169401 U CN201720169401 U CN 201720169401U CN 206661919 U CN206661919 U CN 206661919U
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- catholyte
- electrolysis
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- contaminated soil
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Abstract
The utility model discloses contaminated soil in-situ purification system, including anode electrolysis group, catholyte group and low-voltage dc power supply, anode electrolysis group and catholyte group are respectively made up of multiple anode electrolysis components being arranged side by side and multiple catholyte components being arranged side by side, multiple anode electrolysis components are serially connected to be connected with the positive pole of low-voltage dc power supply afterwards, multiple catholyte components are serially connected to be connected with the negative pole of low-voltage dc power supply afterwards, catholyte component and catholyte component are communicated with inlet channel and outlet conduit, inlet channel and outlet conduit have been respectively communicated with cleaning water storage apparatus and pollution water storage apparatus, cleaning water storage apparatus connects filter with pollution water storage apparatus, filter is also communicated with water sending device and apparatus for recovering metal；Tthe utility model system various pieces are removable, can at the scene assemble and use on the spot, can reclaim the metal ion in soil, and then reduce secondary pollution, reduce cost.
Description
Technical field
Ecological restoration device is the utility model is related to, belongs to ecological, environmental protective technical field, more specifically, the utility model
It is related to a kind of contaminated soil in-situ purification system.
Background technology
For increasingly sharpening for nowadays soil pollution, the increase of contaminated area, contaminated soil remediation is current urgent need hair
The technology of exhibition, otherwise soil pollution can cause more serious environmental problem, influence the normal growth of animals and plants, especially for
Crops influence is huge, and in soil pollution, heavy metal pollution of soil is more universal pollution modes, for heavy metal-polluted
Dye, relatively conventional is electric repairing technique and Soil leaching technology, wherein, electric repairing technique is added in contaminated soil
One low-voltage direct electric field, so as in the presence of low intensity direct current, produce physical phenomenon such as electromigration, electrodialysis, electrophoresis
Deng so that the metal pollutant ion of soil surface is separated with soil and directional migration, reaches good metal regulation effect.
Present electro reclamation equipment is all mostly large scale equipment, is unfavorable for carrying, and is all much by contaminated soil collection
In after be transported in prosthetic appliance and repaired, scene can not be applied to, although and the prosthetic appliances of many packaged types can
To be transported to scene, but equipment reparation many times or after soil is separated is sent into, reparation can not be carried out in situ, to repairing
Inconvenience is brought again, and prosthetic appliance also has complicated, awkward problems, to electric repairing technique
High speed development bring inconvenience.
Utility model content
Based on above technical problem, the utility model provides a kind of contaminated soil in-situ purification system, so as to solve
Conventional soil repair system can not be carried out in situ reparation and detection, and complicated, cost is high and awkward technology
Problem.
To solve above technical problem, the technical solution adopted in the utility model is as follows：
Contaminated soil in-situ purification system, including anode electrolysis group, catholyte group and with anode electrolysis group and negative electrode electricity
The low-voltage dc power supply of system of solutions connection, anode electrolysis group and catholyte group are respectively by multiple anode electrolysis groups being arranged side by side
Part and multiple catholyte components for being arranged side by side are formed, multiple anode electrolysis components be serially connected afterwards with low-voltage dc power supply
Positive pole is connected, and multiple catholyte components are serially connected to be connected with the negative pole of low-voltage dc power supply afterwards, the catholyte component
Inlet channel and outlet conduit are communicated with catholyte component, inlet channel and outlet conduit have been respectively communicated with clean water and deposited
Storage device and pollution water storage apparatus, cleaning water storage apparatus connect filter, the filtering with pollution water storage apparatus
Device is also communicated with water sending device and apparatus for recovering metal；
The anode electrolysis component is identical with the structure of catholyte component；
The anode electrolysis component or catholyte component include metal electrode bar, and metal electrode bar lower end is connected with cone
Shape drill bit, the metal electrode bar middle part are arranged with plastics electrolysis cylinder, and the metal electrode bar upper end is also connected by drive link
There is rotary electric machine；
The plastics electrolysis cylinder inner hollow forms electrolysis water accommodating chamber, and the plastics electrolysis cylinder periphery is evenly distributed with
Several ion exchange holes connected with electrolysis water accommodating chamber, the plastics electrolysis cylinder upper end are additionally provided with and electrolysis water accommodating chamber
The water inlet pipe and outlet pipe of connection；Water inlet pipe and outlet pipe connect with the inlet channel and outlet conduit respectively；
The taper bit upper end has been recessed annular seal space, and heavy metal detection system is provided with annular seal space, described close
Envelope chamber inner sidewall is provided with internal thread, and the metal electrode bar lower end is provided with shading ring, and shading ring circumference is provided with external screw thread,
The shading ring coordinates to be connected with each other with annular seal space by internal thread and external screw thread seals annular seal space.
Preferably, it is additionally provided with metal ion detection on the pipeline between the pollution water storage apparatus and filter
Instrument.
Preferably, the heavy metal detection system includes controller, and controller is connected with PH detectors, heavy metal analysis
Instrument, power supply and wireless transceiver.
Preferably, filter screen, amberplex, activated carbon are disposed with from outside to inside inside the ion exchange hole
Adsorption layer and Unidirectional water permeable film.
Preferably, the mesh number of the filter screen is 300~500 mesh.
Preferably, the aperture in the ion exchange hole is 2-5 millimeters.
Preferably, the metal electrode bar is located at plastics electrolysis cylinder upper end and is additionally provided with pressure for compressing plastics electrolysis cylinder
Ring.
Preferably, the drive link is formed by the single body of rod threaded connection of more piece.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the utility model is simple in construction, convenient in carrying, can be repaired without carrying soil, and system architecture letter
Single, system various pieces are removable, can at the scene assemble and use on the spot, can reclaim the metal ion in soil, and then
Secondary pollution is reduced, reduces cost.
2. the utility model electrolysis unit using when can directly pierce in soil and repaired and detected, without digging pit again or
Punching, it is easy to use.
3. the utility model anode electrolysis component or catholyte component can not only produce electric field well, effectively remove
Metal pollutant in soil, and also adsorbable and removal metal ion, repairing effect are good.
It will not obscure 4. the utility model anode electrolysis component or catholyte modular construction are identical, during use, while its
Structure is package assembly, convenient handling, is readily transported and repairs, and cell design is electrolysed into barrel structure into plastics, so as to letter
The movement and use of structure, more conducively equipment are changed.
5. the utility model adds heavy metal detection system in taper bit, so as to enter to the heavy metal in soil
Row detection, electric-field intensity can be determined according to detection case and repairs depth, the soil of different depth is comprehensively carried out to soil
Repair.
6. filter screen, amberplex, activated carbon adsorption layer and unidirectional are set inside the utility model ion exchange hole
Water permeable membrane, so as to can not only prevent outside soil clogging exchange hole, while can also good adsorbing metal ions, and inhale
Attached metal ion is directly entered electrolysis water accommodating chamber by Unidirectional water permeable film, is taken away by the clear water of inside, prevents gold
Belong to ion secondary pollution.
Brief description of the drawings
Fig. 1 is the structural representation of utility model；
Fig. 2 is the structural representation of anode electrolysis component or catholyte component；
Fig. 3 is the structure decomposition figure of anode electrolysis component or catholyte component；
Fig. 4 is the structural representation of plastics electrolysis cylinder；
Fig. 5 is the sectional view of plastics electrolysis cylinder；
Fig. 6 is the schematic enlarged-scale view at A in Fig. 5；
Fig. 7 is the annexation figure of heavy metal detection system；
Marked in figure：1st, low-voltage dc power supply；2nd, anode electrolysis component；3rd, catholyte component；4th, rotary electric machine；5th, pass
Lever；6th, pressure ring；7th, metal electrode bar；8th, plastics electrolysis cylinder；9th, taper bit；10th, shading ring；11st, annular seal space；12nd, intake
Pipe；13rd, outlet pipe；14th, ion exchange hole；15th, electrolysis water accommodating chamber；16th, filter screen；17th, amberplex；18th, it is active
Charcoal adsorption layer；19th, Unidirectional water permeable film；20th, inlet channel；21st, outlet conduit；22nd, water storage apparatus is cleaned；23rd, metal from
Sub- detector；24th, water sending device；25th, apparatus for recovering metal；26th, filter；27th, water storage apparatus is polluted.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Embodiment of the present utility model includes but unlimited
In the following example.
Contaminated soil in-situ purification system as shown in figs. 1-7, including anode electrolysis group, catholyte group and with anode electricity
The low-voltage dc power supply 1 that the system of solutions connects with catholyte group, anode electrolysis group and catholyte group are respectively set side by side by multiple
The anode electrolysis component 2 and multiple catholyte components 3 being arranged side by side put are formed, and multiple anode electrolysis components 2 are serially connected
The positive pole with low-voltage dc power supply 1 is connected afterwards, and multiple catholyte components 3 are serially connected the negative pole with low-voltage dc power supply 1 afterwards
Connection, the catholyte component 3 and catholyte component 3 are communicated with inlet channel 20 and outlet conduit 21, inlet channel
20 and outlet conduit 21 be respectively communicated with cleaning water storage apparatus 22 and pollution water storage apparatus 27, clean the He of water storage apparatus 22
Pollution water storage apparatus 27 connects filter 26, and the filter 26 is also communicated with water sending device 24 and metal recovery dress
Put 25；
The anode electrolysis component 2 is identical with the structure of catholyte component 3；
The anode electrolysis component 2 or catholyte component 3 include metal electrode bar 7, the connection of the lower end of metal electrode bar 7
There is taper bit 9, the middle part of metal electrode bar 7 is arranged with plastics electrolysis cylinder 8, and the upper end of metal electrode bar 7 also passes through biography
Lever 5 is connected with rotary electric machine 4；
Plastics electrolysis cylinder 8 inner hollow forms electrolysis water accommodating chamber 15, and the plastics electrolysis periphery of cylinder 8 uniformly divides
Several ion exchange holes 14 connected with electrolysis water accommodating chamber 15 are furnished with, plastics electrolysis cylinder 8 upper end is additionally provided with and electricity
Solve the water inlet pipe 12 and outlet pipe 13 of the connection of water accommodating chamber 15；Water inlet pipe 12 and outlet pipe 13 respectively with the inlet channel 21 and
Outlet conduit 22 connects；
The upper end of taper bit 9 has been recessed annular seal space 11, and heavy metal detection system, institute are provided with annular seal space 11
State the madial wall of annular seal space 11 and be provided with internal thread, the lower end of metal electrode bar 7 is provided with shading ring 10, and the circumference of shading ring 10 is set
External screw thread is equipped with, the shading ring 10 coordinates interconnection that annular seal space 11 is close with annular seal space 11 by internal thread and external screw thread
Envelope.
The operation principle of the present embodiment is：Anode electrolysis component 2 and catholyte component 3 are pierced in contaminated soil,
Then low-voltage dc power supply 1 is connected, and water inlet pipe 12 and outlet pipe 13 connect with inlet channel 21 and outlet conduit 22, i.e., it is complete
Into installation, low-voltage dc power supply 1 is opened, low voltage electric field is formed between anode electrolysis component 2 and catholyte component 3, so as to
To carry out electrolysis reparation to soil therebetween, metal ion then enters the row of electrolysis water accommodating chamber 15 by ion exchange hole 14
Go out.The soil between anode electrolysis component 2 and catholyte component 3 should be sprayed using clear water during use, to reach best
Repairing effect.
In use, water inlet pipe 12 is sent into clean water to electrolysis water accommodating chamber 15 by cleaning water storage apparatus 22, and adsorb
Metal ion then with electrolysis water accommodating chamber 15 water by outlet conduit 21 be sent into pollution water storage apparatus 27, contaminant water is deposited
Contaminant water is sent into filter 26 to polluting water filtration by storage device 27, wherein metal ion will be filtered to be formed after metal simple-substance and be led to
Apparatus for recovering metal 25 is crossed to reclaim, and water sending device 24 can then supplement clean water, ensure being smoothed out for water circulation.In order to protect
The water circulation of each pipeline is demonstrate,proved, each pipeline can be arranged as required to water pump, and those skilled in the art can voluntarily set as needed
Put, no longer illustrate herein.
The present embodiment is simple in construction, convenient to carry and use and easy to loading and unloading, can on the spot use and soil is repaiied
Multiple, repairing effect is good, directly can carry out soil remediation to soil in-situ, save cost and process, and can also be by absorption
Metal ion is taken away by current, avoids secondary pollution, and repairing effect is good.
The anode electrolysis component 2 or catholyte component 3 of the present embodiment can drive taper bit 9 by rotary electric machine 4
Depth of soils is pierced, without digging pit or punching in advance, is simplified using process and difficulty, and can also as needed voluntarily
The depth pierced is selected, the soil of different depth is repaired.
The present embodiment anode electrolysis component 2 or the structure of catholyte component 3 are identical, will not obscure during use, while it is tied
Structure is package assembly, convenient handling, is readily transported and repairs, while set on anode electrolysis component 2 or catholyte component 3
Dismountable plastics electrolysis barrel structure is counted, so as to simplify the movement and use of structure, more conducively equipment.
The present embodiment can detect soil tenor by heavy metal detection system, so as to ensure repairing effect,
And also electric-field intensity can be determined according to testing result and pierce depth, improve soil remediation effect.
As preferred embodiment, also set up on the pipeline between the pollution water storage apparatus 27 and filter 26
There is metal ion detection instrument 23.The metal ion content in contaminant water can be detected by metal ion detection instrument 23, so as to
With real-time understanding reparation situation, recovery scenario is formulated in time, improves the precision of soil remediation.
As preferred embodiment, the heavy metal detection system includes controller, controller be connected with PH detectors,
Heavy metal detector, power supply and wireless transceiver.The PH numbers that controller can detect PH detectors and heavy metal detector
Sent according to content of beary metal data by wireless transceiver, while also signal can be received by wireless transceiver and be examined
Survey, Data Detection can be carried out at any time as needed, it is convenient to understand soil remediation situation in time；Heavy metal detector and gold in this
Category ion detection instrument 23 can mutually confirm, so as to improve the precision of reparation.
As preferred embodiment, be disposed with from outside to inside inside the ion exchange hole 14 filter screen 16,
Amberplex 17, activated carbon adsorption layer 18 and Unidirectional water permeable film 19.Filter screen 16, which can stop soil, prevents it from entering
Enter ion exchange hole 14 to result in blockage, amberplex 17 is then used for metal ion exchanged, and activated carbon adsorption layer 18 is then used to inhale
The attached metal ion by amberplex 17, Unidirectional water permeable film 19 then only allow Unidirectional water permeable, it is ensured that the electrolysis water capacity
Ion exchange hole 14 will not be entered and cause secondary pollution by receiving water source in chamber 15, and the ion adsorbed by activated carbon adsorption layer 18 is then
Electrolysis water accommodating chamber 15 is entered by Unidirectional water permeable film 19, and taken out of metal ion by water circulation.
Preferably, the mesh number of the filter screen 16 is 400 mesh.Filter screen 16 is used to filtering and obstructing outside soil,
It well can separate soil when being 400 mesh, ensure that ion exchange hole 14 is not blocked.
As preferred embodiment, the aperture in the ion exchange hole 14 is 4 millimeters.The aperture mistake in ion exchange hole 14
Big then filter screen 16 can be caused to be deformed, so as to fail, therefore, the aperture in ion exchange hole 14 then can be very for 4 millimeters
Good fixation filter screen 16, and it will not also be deformed in soil.
As preferred embodiment, the metal electrode bar 7 is located at plastics electrolysis cylinder 8 upper end and is additionally provided with for compressing
Plastics are electrolysed the pressure ring 6 of cylinder 8.Plastics can be electrolysed cylinder 8 and compressed so as to improve its stability by pressure ring 6, ensure that it is piercing soil
When do not move up.
As preferred embodiment, the drive link 5 is formed by the single body of rod threaded connection of more piece.Drive link 5 can be with
The single body of rod composition of selection varying number as needed, so as to according to the depth selection pierced, meet different depth
Pierce demand.
It is embodiment of the present utility model as described above.Described previously is each preferred embodiment of the present utility model,
Preferred embodiment in each preferred embodiment if not obvious contradictory or premised on a certain preferred embodiment,
Each preferred embodiment arbitrarily stack combinations can use, the design parameter in the embodiment and embodiment be only for
The utility model verification process of clear statement utility model people, and be not used to limit scope of patent protection of the present utility model,
Scope of patent protection of the present utility model is still defined by its claims, every with specification of the present utility model and attached
The equivalent structure change that figure content is made, similarly should be included in the scope of protection of the utility model.
Claims (8)
1. contaminated soil in-situ purification system, it is characterised in that：Including anode electrolysis group, catholyte group and with anode electrolysis group
The low-voltage dc power supply (1) connected with catholyte group, anode electrolysis group and catholyte group are respectively arranged side by side by multiple
Anode electrolysis component (2) and multiple catholyte components (3) for being arranged side by side form, multiple anode electrolysis components (2) are mutual
Positive pole after series connection with low-voltage dc power supply (1) is connected, and multiple catholyte components (3) are serially connected rear and low-voltage dc power supply
(1) negative pole connection, the catholyte component (3) and catholyte component (3) are communicated with inlet channel (20) and water outlet
Pipeline (21), inlet channel (20) and outlet conduit (21) have been respectively communicated with cleaning water storage apparatus (22) and contaminant water storage dress
Put (27), cleaning water storage apparatus (22) connects filter (26), the filter with pollution water storage apparatus (27)
(26) water sending device (24) and apparatus for recovering metal (25) are also communicated with；
The anode electrolysis component (2) is identical with the structure of catholyte component (3)；
The anode electrolysis component (2) or catholyte component (3) include metal electrode bar (7), metal electrode bar (7) lower end
Taper bit (9) is connected with, plastics electrolysis cylinder (8), the metal electrode bar (7) are arranged with the middle part of the metal electrode bar (7)
Upper end is also connected with rotary electric machine (4) by drive link (5)；
Described plastics electrolysis cylinder (8) inner hollow forms electrolysis water accommodating chamber (15), and described plastics electrolysis cylinder (8) periphery is uniform
Several ion exchange holes (14) connected with electrolysis water accommodating chamber (15) are distributed with, described plastics electrolysis cylinder (8) upper end is also set
It is equipped with the water inlet pipe (12) and outlet pipe (13) connected with electrolysis water accommodating chamber (15)；Water inlet pipe (12) and outlet pipe (13) are respectively
Connected with the inlet channel (20) and outlet conduit (21)；
Taper bit (9) upper end has been recessed annular seal space (11), and heavy metal detection system is provided with annular seal space (11),
Annular seal space (11) madial wall is provided with internal thread, and metal electrode bar (7) lower end is provided with shading ring (10), shading ring
(10) circumference is provided with external screw thread, and the shading ring (10) is coordinated with annular seal space (11) by internal thread and external screw thread to be connected with each other
Annular seal space (11) is sealed.
2. contaminated soil in-situ purification system according to claim 1, it is characterised in that：The pollution water storage apparatus
(27) metal ion detection instrument (23) is additionally provided with the pipeline between filter (26).
3. contaminated soil in-situ purification system according to claim 1, it is characterised in that：The heavy metal detection system bag
Controller is included, controller is connected with PH detectors, heavy metal detector, power supply and wireless transceiver.
4. contaminated soil in-situ purification system according to claim 1, it is characterised in that：Inside the ion exchange hole from
Filter screen (16), amberplex (17), activated carbon adsorption layer (18) and Unidirectional water permeable film are disposed with outside
(19)。
5. contaminated soil in-situ purification system according to claim 4, it is characterised in that：The mesh of the filter screen (16)
Number is 300~500 mesh.
6. according to the contaminated soil in-situ purification system described in claim any one of 1-5, it is characterised in that：The ion exchange
The aperture in hole (14) is 2-5 millimeters.
7. contaminated soil in-situ purification system according to claim 1, it is characterised in that：Metal electrode bar (7) position
The pressure ring (6) for compressing plastics electrolysis cylinder (8) is additionally provided with plastics electrolysis cylinder (8) upper end.
8. contaminated soil in-situ purification system according to claim 1, it is characterised in that：The drive link (5) is by more piece
Single body of rod threaded connection forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720169401.9U CN206661919U (en) | 2017-02-24 | 2017-02-24 | Contaminated soil in-situ purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720169401.9U CN206661919U (en) | 2017-02-24 | 2017-02-24 | Contaminated soil in-situ purification system |
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| Publication Number | Publication Date |
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| CN206661919U true CN206661919U (en) | 2017-11-24 |
Family
ID=60379303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720169401.9U Active CN206661919U (en) | 2017-02-24 | 2017-02-24 | Contaminated soil in-situ purification system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405580A (en) * | 2018-02-09 | 2018-08-17 | 浙江安淡环保科技有限公司 | A kind of the electro reclamation system and its restorative procedure in mine |
| CN108435781A (en) * | 2018-03-23 | 2018-08-24 | 李延顺 | A kind of automatic detection process equipment of heavy metal for soil remediation |
| CN108802340A (en) * | 2018-08-21 | 2018-11-13 | 蒋昌霞 | A kind of regional soil on-line monitoring device Internet-based |
| CN108862956A (en) * | 2018-07-09 | 2018-11-23 | 北京中岩大地科技股份有限公司 | A kind of sludge dewatering decontamination combined governance method |
| CN109127696A (en) * | 2018-10-24 | 2019-01-04 | 河海大学 | The device and method of heavy metal pollution in multiple physical field coupling rehabilitating soil in situ |
| CN109142678A (en) * | 2018-08-13 | 2019-01-04 | 吴秋雨 | A kind of dynamic agricultural orchard pollution monitoring processing system |
| CN114888073A (en) * | 2022-05-21 | 2022-08-12 | 王燕华 | Heavy metal contaminated soil repair equipment |
-
2017
- 2017-02-24 CN CN201720169401.9U patent/CN206661919U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405580A (en) * | 2018-02-09 | 2018-08-17 | 浙江安淡环保科技有限公司 | A kind of the electro reclamation system and its restorative procedure in mine |
| CN108435781A (en) * | 2018-03-23 | 2018-08-24 | 李延顺 | A kind of automatic detection process equipment of heavy metal for soil remediation |
| CN108862956A (en) * | 2018-07-09 | 2018-11-23 | 北京中岩大地科技股份有限公司 | A kind of sludge dewatering decontamination combined governance method |
| CN109142678A (en) * | 2018-08-13 | 2019-01-04 | 吴秋雨 | A kind of dynamic agricultural orchard pollution monitoring processing system |
| CN108802340A (en) * | 2018-08-21 | 2018-11-13 | 蒋昌霞 | A kind of regional soil on-line monitoring device Internet-based |
| CN108802340B (en) * | 2018-08-21 | 2020-12-08 | 上海达恩贝拉环境科技发展有限公司 | Regional soil on-line monitoring device based on internet |
| CN109127696A (en) * | 2018-10-24 | 2019-01-04 | 河海大学 | The device and method of heavy metal pollution in multiple physical field coupling rehabilitating soil in situ |
| CN114888073A (en) * | 2022-05-21 | 2022-08-12 | 王燕华 | Heavy metal contaminated soil repair equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Zhidan Inventor after: Yan Yan Inventor after: Deng Qingwen Inventor before: Wang Mingyang Inventor before: Jiang Xinghua |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171120 Address after: Chunhui road 400084 Chongqing Dadukou Cypress Street Road No. 101 building 3 6-4 Patentee after: Chongqing Qingxi Environmental Protection Technology Co., Ltd. Address before: 610041 Sichuan province Chengdu Tianfu four Street No. 66 Building 2 floor 8 No. 3 Patentee before: CHENGDU KECHUANGCHENG TECHNOLOGY CO., LTD. |