CN105481139B - A kind of microkinetic oxidation reactor of modified sewage disposal - Google Patents
A kind of microkinetic oxidation reactor of modified sewage disposal Download PDFInfo
- Publication number
- CN105481139B CN105481139B CN201510952336.2A CN201510952336A CN105481139B CN 105481139 B CN105481139 B CN 105481139B CN 201510952336 A CN201510952336 A CN 201510952336A CN 105481139 B CN105481139 B CN 105481139B
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- Prior art keywords
- oxidation
- room
- shell body
- reactor
- deep
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The present invention relates to a kind of reactor that oxidation processes are directly carried out to sewage, particularly a kind of microkinetic oxidation reactor of modified sewage disposal, the present invention starts with from material science, according to based on principles of hydrodynamics combination electrochemistry, it is the modification of carrier surface modification using cheap bamboo charcoal, sinters the particle-catalytic conversion zone for being prepared into huge area, pre-oxidation room, main oxidizing chamber and the deep oxidation room of oxidation reactor are loaded into respectively, are carried out tertiary oxidation processing and are decomposed.The oxidation reactor of the present invention is larger for the seasonal climate change temperature difference; the unstable specific condition of water open and close immediately and sewage is handled; it can realize that low energy consumption, clearance-type are run using the technique device, effective processing of efficient energy-conservation be reached, so as to reach the purpose of environmental protection.
Description
Technical field
The present invention relates to a kind of microkinetic oxidation reactor of modified sewage disposal.
Background technology
A large amount of waste water containing organic matter can be produced with the development of industrial society, in industrial processes, these waste water are such as
It is unprocessed and directly discharge can very serious harm is caused to environment, be that the improvement of this organic wastewater has become at this stage
A home and abroad environment protection technique field problem to be solved.
More the treatment technology of maturation is biological contact oxidation process, activated sludge process, improved at film both at home and abroad for sewage disposal
Logos.These methods are improved in decades by scientific and technical personnel, are had some limitations all the time, using microculture, are tamed and dociled
When changing processing sewage, maximum technical bottleneck is the influence that outside air temperature changes by water inlet pollutant concentration change, and causes
Water water quality is unstable.Equipment investment is big, energy consumption is more, operating cost is high, is also another factor that technology is difficult to break through.
The content of the invention
It is an object of the invention to：For above-mentioned problem, cast aside microorganism species growth phagocytosis pollutant and realize
The theory of clean water body, the present invention looks for another way, using cheap bamboo charcoal as carrier, using its unique electric conductivity, by right
Its surface is modified with being modified, and realizes that in-situ catalytic oxidation carries out clean processing to polluted-water using hydrogen, oxygen in water body
A kind of microkinetic oxidation reactor of modified sewage disposal.
The technical solution adopted by the present invention is such：A kind of microkinetic oxidation reactor of modified sewage disposal, bag
Shell body 3 is included, described shell body 3 is divided into pre-oxidation room 26, master by sealing partition panel 1 and sealing partition panel 2 16
Oxidizing chamber 27 and deep oxidation room 28, wherein the outer wall side of the described pre-oxidation upper end of room 26 is provided with water inlet pipe 1, pre-oxidize room 26
Upper end is made up of shell body 3, seal base 8 and built-in sealing baffle 9 and grid maker (7) is provided with surge chamber 2, surge chamber 2；Buffering
The lower section of room 2 is pre-oxidation floor 4, and the right of surge chamber 2 is provided with porous permeable plate 1；Inside described main oxidizing chamber 27
Upside is provided with moisturizing groove 13, and the lower section of moisturizing groove 13 is provided with main oxidation reaction layer 14；Described deep oxidation room 28 is by sealing plate 18
It is divided into left and right two parts, left-half is water stream channel 25, and 2 21 points by porous permeable plate of right half part is collecting chamber 19
With deep oxidation conversion zone 22；Described pre-oxidation layer 4, main oxidation reaction layer 14 and deep oxidation conversion zone 22 uses bamboo
Carbon surface covers load sintered titanium doping lanthanide rare and is prepared from；Described bamboo charcoal, which covers, carries the quality that titanium doped lanthanide rare covers carrying capacity
The mol ratio forgiven than the lanthanide rare for 1: 0.01, doping between lanthanum, cerium, europium and dysprosium, lanthanide rare is 0.1: 1: 0.5:
0.01；
Wherein, described seal base 8 is provided with mozzle 5, and through pre-oxidation layer 4；Under described mozzle 5
Distance from bottom of the end away from shell body 3 is 4~8CM；The ratio between described length, width and height of pre-oxidation layer 4 are 1: 2: 1；Described master
The ratio between length, width and height of oxidation reaction layer 14 are 1: 1: 0.5；The ratio between described length, width and height of deep oxidation conversion zone 22 are 0.5: 1:
2。
Further, shell body 3 corresponding to described pre-oxidation room 26, main oxidizing chamber 27 and the lower end of deep oxidation room 28
Blow-off pipe 1, blow-off pipe 2 23 and blow-off pipe 3 24 are respectively equipped with outer wall.
Further, level control plate 17, lower end and the shell body 3 of level control plate 17 are provided with described water stream channel 25
It is connected.
Further, described grid maker 7 is located at the front of mozzle 5 close to the side of water inlet pipe 1.
Further, the upper end of described sealing partition panel 1 is provided with spout hole 12, and size and the moisturizing of spout hole 12
The size of the entrance point of groove 13 is mutually agreed with.
Further, the upper end of described sealing partition panel 2 16 is connected with shell body 3, and lower end is provided with spillway hole 15.
Further, it from the bottom up 3/4 of shell body 3 is liquid level overflow waterline that the height of described level control plate 17, which is,.
The sewage that need to be handled enters in surge chamber 2 through sewage water inlet pipe 1, and the suspension large particulate matter in sewage is arranged on
Grid maker 7 in surge chamber 2 is retained, and water body enters the bottom of pre-oxidation layer 4 through grid maker 7 through mozzle 5, from lower
The upper slow pollutant passed through in pre-oxidation layer 4, water body is obtained after pre-oxidation decomposition reaction, the suspended solids being trapped
Matter is reunited under hydroxylation, is deposited on 4 bottom of pre-oxidation layer, reactor is discharged by discharge pipeline 1.By pre-
Water body after the oxidation of oxidation reaction layer 4, forces to enter moisturizing by spout hole 12 under pressure through porous permeable plate 1
In groove 13 so that water body is evenly distributed on main 14 surface of oxidation reaction layer, and water body is slowly penetrated under gravity becomes owner of oxygen
Change conversion zone 14, and sufficiently oxidative decomposition, be substantially oxidized the water body after decomposing through spillway hole 15 in level control plate
Enter the bottoms of deep oxidation conversion zone 22 under 17 controls, again slow penetratingdepth oxidation reaction layer 22, further oxidation divides
Porous permeable plate 2 21 is penetrated after solution to be collected in collecting chamber 19, and reactor is discharged by delivery port 20.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the sewage disposal microkinetic oxidation reactor of the present invention, is served as theme with emerging materialogy, bamboo charcoal surface is covered
The catalytic reaction layer that sintered titanium doping lanthanide rare is prepared into high activity is carried, efficient oxidation reactor is equipped to, to sewage
Progress integrates advanced treating, and the clearance of the pollutant (COD, TP, TN) in sewage can be made to reach more than 90%, difficulty is breached
Degrade the high technical bottleneck of capital intensive, operating cost of sewage disposal.
2. the microkinetic oxidation reactor of the present invention in seasonal climate mainly for changing, the temperature difference is larger, and water is unstable
Specific condition open and close immediately and sewage is handled, and low energy consumption, clearance-type operation can be realized by being applicable the technique device, be reached
To effective processing of efficient energy-conservation, the purpose of environmental protection is reached.
3. the sewage disposal microkinetic oxidation reactor of the present invention can be widely applied to wastewater from chemical industry, percolate, dilute
The processing of the used water difficult to degradate such as native hydrometallurgy waste water, paper waste.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the diagrammatic cross-section of the present invention；
Marked in figure：1- water inlet pipes, 2- surge chambers, 3- shell bodies, 4- pre-oxidations layer, 5- mozzles, 6- blow-off pipes
One, 7- grid maker, 8- seal bases, sealing baffle built in 9-, 10- porous permeables plate one, 11- sealing partition panels one, 12- overflows
Hole, 13- moisturizing grooves, the main oxidation reaction layers of 14-, 15- spillway holes, 16- sealing partition panels two, 17- level control plates, 18- sealings
Plate, 19- collecting chambers, 20- delivery ports, 21- porous permeables plate two, 22- deep oxidation conversion zones, 23- blow-off pipes two, 24- blowdowns
Pipe three, 25- water stream channels, 26- pre-oxidation room, the main oxidizing chambers of 27-, 28- deep oxidations room.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
3 D stereo anodizing reactor as described in Figure 1, including shell body 3, described shell body 3 by seal every
Disconnected plate 1 and sealing partition panel 2 16 are divided into pre-oxidation room 26, main oxidizing chamber 27 and deep oxidation room 28, wherein described
The outer wall side for pre-oxidizing the upper end of room 26 is provided with water inlet pipe 1, and the pre-oxidation upper end of room 26 is by shell body 3, seal base 8 and built-in sealing
Baffle plate 9, which is constituted, is provided with grid maker 7 in surge chamber 2, surge chamber 2；The lower section of surge chamber 2 is pre-oxidation layer 4, surge chamber 2
Right is provided with porous permeable plate 1；The described upper inside of main oxidizing chamber 27 is provided with moisturizing groove 13, and the lower section of moisturizing groove 13 is provided with
Main oxidation reaction layer 14；Described deep oxidation room 28 is divided into left and right two parts by sealing plate 18, and left-half is logical for current
Road 25,2 21 points by porous permeable plate of right half part is collecting chamber 19 and deep oxidation conversion zone 22；Described pre-oxidation is anti-
Answer layer 4, main oxidation reaction layer 14 and deep oxidation conversion zone 22 to cover load sintered titanium doping lanthanide rare using bamboo charcoal surface to prepare
Form；Described bamboo charcoal covers that to carry titanium doped lanthanide rare to cover the mass ratio of carrying capacity be 1: 0.01, the lanthanide rare of doping forgive lanthanum,
Mol ratio between cerium, europium and dysprosium, lanthanide rare is 0.1: 1: 0.5: 0.01；
Wherein, described seal base 8 is provided with mozzle 5, and through pre-oxidation layer 4；Under described mozzle 5
Distance from bottom of the end away from shell body 3 is 4~8CM；The ratio between described length, width and height of pre-oxidation layer 4 are 1: 2: 1；Described master
The ratio between length, width and height of oxidation reaction layer 14 are 1: 1: 0.5；The ratio between described length, width and height of deep oxidation conversion zone 22 are 0.5: 1:
2。
It is preferred that, shell body 3 corresponding to described pre-oxidation room 26, main oxidizing chamber 27 and the lower end of deep oxidation room 28 it is outer
Blow-off pipe 1, blow-off pipe 2 23 and blow-off pipe 3 24 are respectively equipped with wall.
It is preferred that, level control plate 17, lower end and the phase of shell body 3 of level control plate 17 are provided with described water stream channel 25
Connection.
It is preferred that, described grid maker 7 is located at the front of mozzle 5 close to the side of water inlet pipe 1.
It is preferred that, the upper end of described sealing partition panel 1 is provided with spout hole 12, and the size and moisturizing groove of spout hole 12
The size of 13 entrance points is mutually agreed with.
It is preferred that, the upper end of described sealing partition panel 2 16 is connected with shell body 3, and lower end is provided with spillway hole 15.
It is preferred that, it from the bottom up 3/4 of shell body 3 is liquid level overflow waterline that the height of described level control plate 17, which is,.
The sewage that need to be handled enters in surge chamber 2 through sewage water inlet pipe 1, and the suspension large particulate matter in sewage is arranged on
Grid maker 7 in surge chamber 2 is retained, and water body enters the bottom of pre-oxidation layer 4 through grid maker 7 through mozzle 5, from lower
The upper slow pollutant passed through in pre-oxidation layer 4, water body is obtained after pre-oxidation decomposition reaction, the suspended solids being trapped
Matter is reunited under hydroxylation, is deposited on 4 bottom of pre-oxidation layer, reactor is discharged by discharge pipeline 1.By pre-
Water body after the oxidation of oxidation reaction layer 4, forces to enter moisturizing by spout hole 12 under pressure through porous permeable plate 1
In groove 13 so that water body is evenly distributed on main 14 surface of oxidation reaction layer, and water body is slowly penetrated under gravity becomes owner of oxygen
Change conversion zone 14, and sufficiently oxidative decomposition, be substantially oxidized the water body after decomposing through spillway hole 15 in level control plate
Enter the bottoms of deep oxidation conversion zone 22 under 17 controls, again slow penetratingdepth oxidation reaction layer 22, further oxidation divides
Porous permeable plate 2 21 is penetrated after solution to be collected in collecting chamber 19, and reactor is discharged by delivery port 20.
It should be pointed out that embodiment described above can make those skilled in the art that the innovation is more fully understood
Invention, but do not limit the invention in any way.Therefore, although this specification referring to the drawings and embodiment to the innovation invention
It is described in detail, it will be understood by those skilled in the art, however, that still can be modified to the present invention or equivalent
Replace；And technical scheme and its improvement of all spirit and scope for not departing from the innovation invention, it all should cover in the innovation
Among the protection domain of patent of invention.
Embodiment
Sewage property：Sanitary sewage
Experimental facilities：Sewage disposal microkinetic oxidation reactor, sewage pump, magnetic force induction flowmeter, special DC power supply.
Tester：UV detector, COD rapid-digestions instrument, high temperature pressure pot, distiller, glassware.
Experiment process ability：1m3/h
Experimental procedure：
By sewage storage in the Plastic Drum of 4 (1m3), mutually gather around plastic tube and connect to form an entirety, delivery port and
Sewage pump is connected, and starts sewage pump, and flow 1m3/h is controlled by magnetic force induction flowmeter, and the oxidation of sewage disposal microkinetic is anti-
Answer device.
Sample analysis (sampling node)：
1. take raw sewage sample 500ml；2. pre-oxidation layer goes out water sampling 500ml；3. main oxidation reaction layer water outlet takes
Sample 500ml；4. deep oxidation conversion zone goes out water sampling 500ml.
Analysis result：(mg/L)
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention.This
Invention expands to any new feature disclosed in this manual or any new combination, and any new method for disclosing or
The step of process or any new combination.
Claims (3)
1. a kind of microkinetic oxidation reactor of modified sewage disposal, including shell body（3）, described shell body（3）Pass through
Seal partition panel one（11）With sealing partition panel two（16）It is divided into pre-oxidation room（26）, main oxidizing chamber（27）With deep oxidation room
（28）, it is characterised in that：Described pre-oxidation room（26）The outer wall side of upper end is provided with water inlet pipe（1）, pre-oxidize room（26）Upper end
By shell body（3）, seal base（8）With built-in sealing baffle（9）Constitute surge chamber（2）, surge chamber（2）It is interior to be provided with grid maker
（7）；Surge chamber（2）Lower section for pre-oxidation layer（4）, surge chamber（2）Right be provided with porous permeable plate one（10）；It is described
Main oxidizing chamber（27）Upper inside is provided with moisturizing groove（13）, moisturizing groove（13）Lower section is provided with main oxidation reaction layer（14）；It is described
Deep oxidation room（28）By sealing plate（18）It is divided into left and right two parts, left-half is water stream channel（25）, right half part
Pass through porous permeable plate two（21）It is divided into collecting chamber（19）With deep oxidation conversion zone（22）；Described pre-oxidation layer（4）、
Main oxidation reaction layer（14）With deep oxidation conversion zone（22）Using bamboo charcoal surface cover load sintered titanium doping lanthanide rare prepare and
Into it is 1 that described bamboo charcoal, which covers the titanium doped lanthanide rare of load and covers the mass ratio of carrying capacity,:0.01, the lanthanide rare of doping forgive lanthanum,
Mol ratio between cerium, europium and dysprosium, lanthanide rare is 0.1:1:0.5:0.01；
Wherein, described seal base（8）It is provided with mozzle（5）, and through pre-oxidation layer（4）；Described mozzle
（5）Lower end is away from shell body（3）Distance from bottom be 4 ~ 8CM；Described pre-oxidation layer（4）The ratio between length, width and height be 1:2:
1；Described main oxidation reaction layer（14）The ratio between length, width and height be 1:1:0.5；Described deep oxidation conversion zone（22）Length and width
The ratio between height is 0.5:1:2.
2. the microkinetic oxidation reactor of modified sewage disposal according to claim 1, it is characterised in that：Described is pre-
Oxidizing chamber（26）, main oxidizing chamber（27）With deep oxidation room（28）Shell body corresponding to lower end（3）Outer wall on be respectively equipped with
Blow-off pipe one（6）, blow-off pipe two（23）With blow-off pipe three（24）.
3. the microkinetic oxidation reactor of modified sewage disposal according to claim 1, it is characterised in that：Described water
Circulation road（25）It is interior to be provided with level control plate（17）, level control plate（17）Lower end and shell body（3）It is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667733.4A CN107253780B (en) | 2015-12-16 | 2015-12-16 | Novel sewage treatment's fine motion power oxidation reactor |
| CN201510952336.2A CN105481139B (en) | 2015-12-16 | 2015-12-16 | A kind of microkinetic oxidation reactor of modified sewage disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952336.2A CN105481139B (en) | 2015-12-16 | 2015-12-16 | A kind of microkinetic oxidation reactor of modified sewage disposal |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710667733.4A Division CN107253780B (en) | 2015-12-16 | 2015-12-16 | Novel sewage treatment's fine motion power oxidation reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105481139A CN105481139A (en) | 2016-04-13 |
| CN105481139B true CN105481139B (en) | 2017-10-03 |
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| CN201510952336.2A Expired - Fee Related CN105481139B (en) | 2015-12-16 | 2015-12-16 | A kind of microkinetic oxidation reactor of modified sewage disposal |
| CN201710667733.4A Active CN107253780B (en) | 2015-12-16 | 2015-12-16 | Novel sewage treatment's fine motion power oxidation reactor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710667733.4A Active CN107253780B (en) | 2015-12-16 | 2015-12-16 | Novel sewage treatment's fine motion power oxidation reactor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076348A1 (en) * | 2002-03-11 | 2003-09-18 | Nippon Shokubai Co., Ltd. | Method for treating waste water |
| CN102125842A (en) * | 2010-01-19 | 2011-07-20 | 华东理工大学 | Multiphase wet oxidation catalyst and preparation method thereof |
| CN104310523A (en) * | 2014-05-06 | 2015-01-28 | 河北科技大学 | Method for processing wastewater by using photocatalytic reaction, and photocatalytic reactor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01218684A (en) * | 1988-02-26 | 1989-08-31 | Nippon Shokubai Kagaku Kogyo Co Ltd | Process for treating waste water |
| CN101632920A (en) * | 2009-09-03 | 2010-01-27 | 龙岩学院 | Method for preparing titanium dioxide/bamboo charcoal composite material |
| CN101704616B (en) * | 2009-12-01 | 2011-04-20 | 江苏省农业环境监测与保护站 | Bioactive percolated domestic sewage treatment device |
| CN101955301B (en) * | 2010-09-20 | 2012-07-04 | 南京林业大学 | Method and equipment for treating micropollution raw water based on biological bamboo charcoal contact oxidation method |
-
2015
- 2015-12-16 CN CN201510952336.2A patent/CN105481139B/en not_active Expired - Fee Related
- 2015-12-16 CN CN201710667733.4A patent/CN107253780B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076348A1 (en) * | 2002-03-11 | 2003-09-18 | Nippon Shokubai Co., Ltd. | Method for treating waste water |
| CN102125842A (en) * | 2010-01-19 | 2011-07-20 | 华东理工大学 | Multiphase wet oxidation catalyst and preparation method thereof |
| CN104310523A (en) * | 2014-05-06 | 2015-01-28 | 河北科技大学 | Method for processing wastewater by using photocatalytic reaction, and photocatalytic reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107253780A (en) | 2017-10-17 |
| CN107253780B (en) | 2021-03-26 |
| CN105481139A (en) | 2016-04-13 |
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Inventor after: Ouyang Zhiqian Inventor before: Liu Jinjun |
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Effective date of registration: 20170906 Address after: 414000 Hunan city in Yueyang province Yueyang Tower District Jin'e Road (West Hunan Institute of Science and Technology hospital building 10, room 603) Applicant after: Hunan clear canal Agricultural Development Co., Ltd. Address before: 214000 Jiangsu province Wuxi chonganou Liberation Road 918-12B9 Applicant before: WUXI JIJIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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