CN103083989A - Sewage treatment device and sewage treatment method - Google Patents
Sewage treatment device and sewage treatment method Download PDFInfo
- Publication number
- CN103083989A CN103083989A CN2013100497433A CN201310049743A CN103083989A CN 103083989 A CN103083989 A CN 103083989A CN 2013100497433 A CN2013100497433 A CN 2013100497433A CN 201310049743 A CN201310049743 A CN 201310049743A CN 103083989 A CN103083989 A CN 103083989A
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- water
- sewage
- screen pack
- water pot
- treatment plant
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- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 187
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 14
- 239000002657 fibrous material Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 25
- 230000008569 process Effects 0.000 description 19
- 239000002351 wastewater Substances 0.000 description 13
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 4
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of sewage treatment, and particularly relates to a sewage treatment device and a sewage treatment method. The sewage treatment device comprises at least one water tank and a control system, wherein each of the water tanks is provided with a water inlet and a water outlet; the neighboring water tanks among the multiple water tanks are sequentially communicated through a communicating pipe; a filtering screen is arranged at the water outlet; a heating structure is arranged at the filtering screen; a circulating pipeline is further arranged in each water tank; one end of the circulating pipeline is communicated with the water outlet, and the other end of the circulating pipeline is communicated to the filtering screen through a spray nozzle; a high-pressure water pump is arranged at the circulating pipeline; a suction nozzle and a drain outlet are further arranged at the filtering screen; the suction nozzle is communicated with the drain outlet; and the control system is respectively connected with the heating structure and a first power structure. According to the sewage treatment device and the sewage treatment method provided by the invention, sewage containing fibrous materials can be well treated.
Description
Technical field
The present invention relates to sewage treatment area, be specifically related to a kind of sewage-treatment plant and sewage water treatment method.Background technology
Water is the mankind's Source of life, in industrial production, and in daily life, all can produce a large amount of waste water.The kind of waste water has a variety of, for example contains the organic wastewater of N, S and halogen; The waste water that contains acid, alkali, oxidant, reducing agent; The waste water that contains oil, of animal or plant nature grease; The waste water that contains organophosphor; The waste water that contains aldehydes matter.Except above-mentioned various wastewater, also there is a kind of waste water that contains fibrous matter.
Existing sewage-treatment plant adopt in to the processing procedure of sewage filtered this mode more, thereby can filter out the refuse in waste water, for example the large part waste product in waste water can be filtered out.
But, when processing contains the waste water of fibrous matter, if only pass through the method for filtration, fiber is because it has soft, sticking, long characteristics, can as easy as rolling off a log obstruction filter mouth, thereby cause the stagnation of the use of filter, can't effectively process fibrous water.
Summary of the invention
The invention provides a kind of sewage-treatment plant and sewage water treatment method, can process preferably the sewage of fibre-bearing thing.
The invention provides a kind of sewage-treatment plant and sewage water treatment method, comprising:
At least one water pot, each described water pot has water inlet and delivery port, and wherein the adjacent described water pot in a plurality of described water pots was communicated with successively by communicating pipe;
Wherein, described water outlet is provided with screen pack, and described screen pack place is provided with heating arrangement;
Each described water pot inside further is provided with circulating line, and an end of this circulating line is communicated with described delivery port, and the other end of this circulating line is communicated to described screen pack place by nozzle, and described circulating line place is provided with high-pressure hydraulic pump;
Described screen pack place further is provided with suction nozzle and sewage draining exit, and described suction nozzle is communicated with described sewage draining exit;
Control system, its with described heating arrangement be connected the first dynamic structure and be connected respectively.
In various embodiments of the present invention, preferably, described sewage-treatment plant further comprises:
Rotating shaft, its respectively with described nozzle be connected suction nozzle and be connected, and drive described nozzle and described suction nozzle and spin along the bearing of trend of described screen pack and move;
Motor, it is electrically connected to described rotating shaft.
In various embodiments of the present invention, preferably, described water inlet, described delivery port, described communicating pipe are located to be provided with respectively magnetic valve, and described magnetic valve is connected with described control system.
In various embodiments of the present invention, preferably, described heating arrangement is the electromagnetic induction heating structure.
In various embodiments of the present invention, preferably, described sewage-treatment plant further comprises:
Pressure-detecting device, it is for detection of the described water inlet of each described water pot and the pressure differential between described delivery port;
Described pressure-detecting device is electrically connected to described control system.
In various embodiments of the present invention, preferably, described sewage-treatment plant further comprises:
Timer, it is for detection of the working time of each described water pot;
Described timer is connected with described control system.
In various embodiments of the present invention, preferably, described sewage-treatment plant further comprises:
Liquid level sensor, it is arranged on described water pot inside and is connected with described control system.
In various embodiments of the present invention, preferably, described control system comprises programmable logic controller (PLC) PLC chip.
The present invention also provides a kind of sewage water treatment method of sewage-treatment plant as the aforementioned, comprising:
Step 1: the water that will wait need to clean in the described water pot of described screen pack is delivered in other described water pots;
Step 2: the screen pack in this described water pot is heated;
Step 3: the described water pot that the water in other described water pots is transmitted back to the described screen pack that cleans its inside;
Step 4: the water purification that obtains by screen pack rinses screen pack.
In various embodiments of the present invention, preferably, before described step 1, further comprise: the described water inlet in described water pot being detected and the pressure differential between described delivery port satisfy predetermined value; Perhaps, reach predetermined value when the working time that described water pot detected;
And/or;
In described step 4, the scan-type that described screen pack is carried out spiral rinses.
By sewage-treatment plant and the sewage water treatment method that various embodiments of the present invention provide, can bring following at least a beneficial effect:
1. can process preferably the sewage of fibre-bearing thing.Sewage-treatment plant provided by the invention can be dredged the screen pack that is stopped up by fibre object, its process is: the water in the water pot at screen pack place that first will be to be dredged is by being delivered to other water pot communicating pipe, then screen pack is heated, make fibre object fusing deliquescing, again water is transmitted back to this water pot, and by the flushing of the high pressure water purification after filtering in water pot, fibre object is washed away from screen pack, fibre object is inhaled into from suction nozzle, and is drawn to sewage draining exit place's discharge.Whole process is controlled by control system and is completed.Thereby can effectively administer fibrous sewage.
2. control screen pack is effectively dredged.Before the dredging screen pack, can detect the water inlet of water pot inside and the hydraulic pressure between delivery port, when hydraulic pressure reaches predetermined value, can begin the dredging process to screen pack.Also can carry out timing by the working time to water pot, to predetermined value, begin the dredging process to screen pack in timing.Thereby can effectively control the carrying out of this dredging process.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of a kind of embodiment of sewage-treatment plant of the present invention;
Wherein, Reference numeral is as follows:
1-the first water pot; 2-the second water pot; 3-communicating pipe; The 101-water inlet; The 102-delivery port; The 103-magnetic valve; The 104-screen pack; The 105-nozzle; 106-electromagnetic induction heating structure; The 107-rotating shaft; The 108-sewage draining exit; The 109-motor.
The specific embodiment
Below with reference to accompanying drawing, the technical scheme of various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
Embodiment one
In embodiments of the invention one, a kind of sewage-treatment plant comprises:
At least one water pot, each described water pot has water inlet and delivery port, and wherein the adjacent described water pot in a plurality of described water pots was communicated with successively by communicating pipe;
Wherein, described water outlet is provided with screen pack, and described screen pack place is provided with heating arrangement;
Each described water pot inside further is provided with circulating line, and an end of this circulating line is communicated with described delivery port, and the other end of this circulating line is communicated to described screen pack place by nozzle, and described circulating line place is provided with high-pressure hydraulic pump;
Described screen pack place further is provided with suction nozzle and sewage draining exit, and described suction nozzle is communicated with described sewage draining exit;
Control system, its with described heating arrangement be connected the first dynamic structure and be connected respectively.
In embodiment one, the water inlet of water pot is for input sewage, and delivery port is discharged water pot after for sewage purification.A plurality of water pots are set are used in dredging and the water in one of them water pot are imported in other water pots during screen pack, can import a water pot, also can import simultaneously a plurality of water pots.Can guarantee like this sewage disposal process continue carry out.Wherein, screen pack is used for the fibre object of sewage is carried out filtering, after fibre object is stopped up screen pack, just need to dredge screen pack.The screen pack place is provided with heating arrangement, is mainly used in the fibre object that the screen pack place is adhered to is heated, and makes its deliquescing fusing, is easy to be rinsed cleaning.The inner circulating line that arranges of water pot is used for utilizing the water purification that obtains after sewage disposal that screen pack is washed away, thereby realizes the dredging to screen pack.Thereby an end of circulating line is communicated with delivery port, and the other end is communicated to the screen pack place by nozzle.Simultaneously, because the fibre object at screen pack place need to use the high pressure water purification just can rinse well, thus need to high-pressure hydraulic pump be set at the circulating line place, so that the high pressure water purification to be provided.Simultaneously, also be provided with suction nozzle and sewage draining exit near screen pack, suction nozzle is used for the fibre object that washes away is drawn to the sewage draining exit that is communicated with suction nozzle, and fibre object is discharged from sewage draining exit.Control system can realize the automation of sewage-treatment plant of the present invention, can control the beginning of the dredging process of screen pack in good time and stop.
In embodiment one, sewage-treatment plant provided by the invention can be dredged the screen pack that is stopped up by fibre object, its process is: the water in the water pot at screen pack place that first will be to be dredged is by being delivered to other water pot communicating pipe, then screen pack is heated, make fibre object fusing deliquescing, again water is transmitted back to this water pot, and by the flushing of the high pressure water purification after filtering in water pot, fibre object is washed away from screen pack, fibre object is inhaled into from suction nozzle, and is drawn to sewage draining exit place's discharge.Whole process is controlled by control system and is completed.Thereby can effectively administer fibrous sewage.
On the basis of embodiment one, preferably, rotating shaft is set further, its respectively with described nozzle be connected suction nozzle and be connected, and drive described nozzle and described suction nozzle and spin along the bearing of trend of described screen pack and move; Motor, it is electrically connected to described rotating shaft.Because screen pack is network structure, it has length and width, have certain area, and the bore of nozzle and suction nozzle is less, if only be in a fixed position, can't effectively dredge whole screen pack.Rotating shaft is set just can be driven nozzle and suction nozzle and spin along the bearing of trend of screen pack and move, for example when screen pack vertically arranges, rotating shaft just can drive the motion of spinning along the vertical direction of nozzle and suction nozzle, and then all can realize dredging to whole screen pack.Rotating shaft can be the axle of helical structure, can control a plurality of nozzles and suction nozzle and spin along this helical structure and move.Motor is rotating shaft to be provided the structure of power supply supply.
On the basis of embodiment one, preferably, described water inlet, described delivery port, described communicating pipe are located to be provided with respectively magnetic valve, and described magnetic valve is connected with described control system.Owing to will realizing automation of the present invention, the opening and closing of water inlet, delivery port, communicating pipe just need automatically to control, and magnetic valve is set just can addresses this problem.Magnetic valve is connected with control system, so just can automatically controls by control system the opening and closing of water inlet, delivery port, communicating pipe.
On the basis of embodiment one, preferably, heating arrangement is the electromagnetic induction heating structure.Because the electromagnetic induction heating structure can be increased to higher temperature fast, so can realize high-temperature heating at the utmost point in the short time to the fibre object at screen pack place.
On the basis of embodiment one, preferably, because whether screen pack needs to be dredged the certain examination criteria of needs embody, for example can whether reach predetermined value by the hydraulic pressure between detection water inlet and delivery port and judge whether screen pack is blocked; For example also can judge processing time of sewage by timer timing water pot is set.Preferably, pressure-detecting device can be set, it is for detection of the described water inlet of each described water pot and the pressure differential between described delivery port; Described pressure-detecting device is electrically connected to described control system, thereby testing result can be sent to control system, realizes the automatic startup of dredging process and stops by control system.Preferably, also timer can be set, it is for detection of the working time of each described water pot; Described timer is connected with described control system, thereby timing result can be sent to control system, realizes the automatic startup of dredging process and stops by control system.
On the basis of embodiment one, preferably, can in each water pot, liquid level sensor be set.Due to when dredging screen pack, sewage in water pot need to be imported in other water pot, liquid level sensor is set whether can be used for detecting water level in water pot lower than predetermined value or higher than predetermined value, and this result is sent to control system, control the opening and closing of water inlet, delivery port, communicating pipe by control system.
On the basis of embodiment one, preferably, described control system comprises programmable logic controller (PLC) PLC chip, realizes automatic control process by PLC.Programmable logic controller (PLC) (Programmable Logic Controller, PLC), it adopts a class programmable memory, be used for its internally stored program, actuating logic computing, sequential control, regularly, the user oriented instructions such as counting and arithmetical operation, and by numeral or analog pattern input/output various types of machineries of control or production process.
In one embodiment of the invention, with reference to Fig. 1, when the sewage that contains fibre object, enter in the first water pot 1 by water inlet 101, and begin to filter by screen pack 104, the water purification after filtration can flow out by delivery port 102.In the middle of this process, the impurity in water (fibre object) can be filtered net 104 interceptions on screen pack.Along with continuous filtration, the fibre object on screen pack can be cumulative, to such an extent as to can produce differential pressure between water inlet 101 and delivery port 102.After differential pressure generating, prove that the first water pot 1 screen pack stops up, at this moment: the magnetic valve 103 by water inlet 101 places cuts out into water, the closed electromagnetic valve water outlet of water outlet, communicating pipes 3, the magnetic valve at place was open-minded, and the water of the first water pot 1 is squeezed into the second water pot 2 by water pump.When the liquid level sensor in the first water pot disconnects, the closed electromagnetic valve of the water inlet of the first water pot, the magnetic valve of the water inlet of the second water pot is opened simultaneously, and the magnetic valve of the water outlet of the second water pot is opened, and the second water pot continues to filter.Then electromagnetic induction heating structure 106 begins the screen pack that the first water pot has just stopped up is carried out the moment high-temperature heating, heat complete after, the closed electromagnetic valve of the water inlet of the second water pot, the closed electromagnetic valve of the water outlet of the second water pot, the magnetic valve of the water inlet of the first water pot is opened, and the water of the second water pot 2 is squeezed into the first water pot 1 by water pump.When the liquid level sensor in the second water pot disconnects, the closed electromagnetic valve of the water inlet of the first water pot, water inlet 101 and the delivery port 102 of the first water pot are opened, and the first water pot continues to filter.Differential pressure between water inlet 101 and delivery port 102 still exists at this moment, and then the first water pot enters backwash process.Rotating shaft 107 is opened sewage draining exit 108 by motor 109 driven rotary of upper end, and the high pressure water purification in circulation pipe is squeezed into nozzle 105, and this nozzle is high pressure nozzle.Simultaneously because sewage draining exit is opened, the pressure of the first water pot is greater than the tank external pressure, by suction nozzle with the fibre object on the filter screen under the high pressure recoil (at this moment, due to eddy-current heating just now, the fibre object that is wrapped on dictyosome is softened already) be drawn onto in blow-off pipe, discharge through sewage draining exit, thereby reach the purpose of blowdown.In the middle of whole process, rotating shaft 107 drives nozzle and suction nozzle is constantly done the up and down screw, thereby the whole dictyosome of screen pack is scanned completely, does not have the blind area, cleans thoroughly.What come and go carries out back flushing process, until after the pressure reduction between water inlet 101 and delivery port 102 reached setting value, rotating shaft rotary closing sewage draining exit, the first water pot continued to filter.Simultaneously, when the water inlet of the second water pot 2 and delivery port produce pressure reduction, just use the way identical with the first water pot, heat, recoil, scan the cleaning filter screen, make it normal filtration.This equipment is comprised of the first water pot and second water pot two parts like this, then in conjunction with electromagnetic induction heating technology, in conjunction with the PLC(single-chip microcomputer) programming Control.Just can complete solution contain the filtration of the sewage of fiber water.Overcome present whole filtration industry, can't be to the difficult problem of fiber water filtration.Can solve the after-treatment of the waste water of the industries such as printing and dyeing like this, thereby can save effective water resources, for enterprise brings economic benefit, for environmental protection contributes.
The present invention also provides a kind of sewage water treatment method of sewage-treatment plant as the aforementioned, comprising:
Step 1: the water that will wait need to clean in the described water pot of described screen pack is delivered in other described water pots;
Step 2: the screen pack in this described water pot is heated;
Step 3: the described water pot that the water in other described water pots is transmitted back to the described screen pack that cleans its inside;
Step 4: the water purification that obtains by screen pack rinses screen pack.
On the basis of above-mentioned sewage water treatment method, preferably, before described step 1, further comprise: the described water inlet in described water pot being detected and the pressure differential between described delivery port satisfy predetermined value; Perhaps, reach predetermined value when the working time that described water pot detected.
On the basis of above-mentioned sewage water treatment method, preferably, in described step 4, the scan-type that described screen pack is carried out spiral rinses.
Various embodiment provided by the invention can be as required combination mutually in any way, the technical scheme that obtains by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and within modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also comprises these changes and modification interior.
Claims (10)
1. a sewage-treatment plant, is characterized in that, comprising:
At least one water pot, each described water pot has water inlet and delivery port, and wherein the adjacent described water pot in a plurality of described water pots was communicated with successively by communicating pipe;
Wherein, described water outlet is provided with screen pack, and described screen pack place is provided with heating arrangement;
Each described water pot inside further is provided with circulating line, and an end of this circulating line is communicated with described delivery port, and the other end of this circulating line is communicated to described screen pack place by nozzle, and described circulating line place is provided with high-pressure hydraulic pump;
Described screen pack place further is provided with suction nozzle and sewage draining exit, and described suction nozzle is communicated with described sewage draining exit;
Control system, its with described heating arrangement be connected the first dynamic structure and be connected respectively.
2. sewage-treatment plant as claimed in claim 1, is characterized in that, further comprises:
Rotating shaft, its respectively with described nozzle be connected suction nozzle and be connected, and drive described nozzle and described suction nozzle and spin along the bearing of trend of described screen pack and move;
Motor, it is electrically connected to described rotating shaft.
3. sewage-treatment plant as claimed in claim 1, is characterized in that, described water inlet, described delivery port, described communicating pipe are located to be provided with respectively magnetic valve, and described magnetic valve is connected with described control system.
4. sewage-treatment plant as claimed in claim 1, is characterized in that, described heating arrangement is the electromagnetic induction heating structure.
5. sewage-treatment plant as claimed in claim 1, is characterized in that, further comprises:
Pressure-detecting device, it is for detection of the described water inlet of each described water pot and the pressure differential between described delivery port;
Described pressure-detecting device is electrically connected to described control system.
6. sewage-treatment plant as claimed in claim 1, is characterized in that, further comprises:
Timer, it is for detection of the working time of each described water pot;
Described timer is connected with described control system.
7. sewage-treatment plant as claimed in claim 1, is characterized in that, further comprises:
Liquid level sensor, it is arranged on described water pot inside and is connected with described control system.
8. sewage-treatment plant as claimed in claim 1, is characterized in that, described control system comprises programmable logic controller (PLC) PLC chip.
9. the sewage water treatment method as the described sewage-treatment plant of claim 1-8 any one, is characterized in that, comprising:
Step 1: the water that will wait need to clean in the described water pot of described screen pack is delivered in other described water pots;
Step 2: the screen pack in this described water pot is heated;
Step 3: the described water pot that the water in other described water pots is transmitted back to the described screen pack that cleans its inside;
Step 4: the water purification that obtains by screen pack rinses screen pack.
10. sewage water treatment method as claimed in claim 9, is characterized in that,
Before described step 1, further comprise: the described water inlet in described water pot being detected and the pressure differential between described delivery port satisfy predetermined value; Perhaps, reach predetermined value when the working time that described water pot detected;
And/or;
In described step 4, the scan-type that described screen pack is carried out spiral rinses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310049743.3A CN103083989B (en) | 2013-02-07 | 2013-02-07 | Sewage-treatment plant and sewage water treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310049743.3A CN103083989B (en) | 2013-02-07 | 2013-02-07 | Sewage-treatment plant and sewage water treatment method |
Publications (2)
| Publication Number | Publication Date |
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| CN103083989A true CN103083989A (en) | 2013-05-08 |
| CN103083989B CN103083989B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310049743.3A Expired - Fee Related CN103083989B (en) | 2013-02-07 | 2013-02-07 | Sewage-treatment plant and sewage water treatment method |
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| CN (1) | CN103083989B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111603842A (en) * | 2020-06-03 | 2020-09-01 | 张家港市欧微自动化研发有限公司 | Sewage treatment device |
| CN115105889A (en) * | 2022-08-30 | 2022-09-27 | 江苏强弘阀门有限公司 | Auxiliary type valve filter equipment |
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| CN2737449Y (en) * | 2004-06-18 | 2005-11-02 | 上海万森水处理有限公司 | On-line cleaning strainer element filtering device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103083989B (en) | 2016-05-18 |
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