CN202481758U - Dense phase pneumatic conveying control system for alumina - Google Patents
Dense phase pneumatic conveying control system for alumina Download PDFInfo
- Publication number
- CN202481758U CN202481758U CN2012200347066U CN201220034706U CN202481758U CN 202481758 U CN202481758 U CN 202481758U CN 2012200347066 U CN2012200347066 U CN 2012200347066U CN 201220034706 U CN201220034706 U CN 201220034706U CN 202481758 U CN202481758 U CN 202481758U
- Authority
- CN
- China
- Prior art keywords
- control
- head tank
- module
- bunker
- valve
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a dense phase pneumatic conveying control device for alumina, and relates to the field of automatic control. A pressure tank in each control channel is provided with a pressure sensor and a tuning fork level gage, wherein a pressure signal detected by the pressure sensor is transmitted into a PLC (Programmable Logic Controller) control module; two valves are arranged outside the pressure tank, including a material outlet valve and a material inlet valve; the PLC control module sends a control signal to control the material inlet valve to feed materials and control the material outlet valve to discharge the materials; each intermediate bin is provided with a dryer and a fan; and the PLC control module sends a control signal to control working time of the dryer and the fan. According to the dense phase pneumatic conveying control system, the pressure signal acquired by the PLC control module from the pressure sensor can be used for precisely controlling the pressure and level of each device; a timer is adopted to control the switching time of each valve strictly, therefore, the conveying safety can be ensured; the alumina is conveyed by a sealing channel, therefore, the environment is protected, the economic benefit is promoted, the automatic production is achieved, and the production efficiency is improved.
Description
Technical field
The utility model relates to automation field, particularly a kind of aluminium oxide concentrated phase strength transport control system.
Background technology
Existing aluminium oxide is carried and is adopted the mode that belt is carried, dilute phase is carried and overhead traveling crane feeds in raw material and combines always, and this mode degree of automation is low, and transport efficiency is low; Energy consumption is high; Big to equipment loss, and, cause the material waste on the one hand because aluminium oxide seriously flies upward; Pollute environment on the other hand, also often destroyed the technology of electrolytic bath.
The utility model content
A kind of aluminium oxide concentrated phase strength transport control system that the utility model provides; To realize that real-time monitoring and running state that system process, system for field are carried out detect and control completely; Improve the safety of carrying, further enhance productivity, promote economic benefit.
The utility model provides a kind of aluminium oxide concentrated phase strength transport control system, comprises first control access, second control access, the 3rd control access and PLC control module;
In said first control access, be provided with first inlet valve between the middle bunker and first head tank, be provided with first bleeder valve between first head tank and the daily bunker;
In said second control access, be provided with second inlet valve between the bulk cargo storehouse and second head tank, be provided with second bleeder valve between second head tank and the daily bunker, be provided with the 5th bleeder valve between second head tank and the middle bunker;
In said the 3rd control access, be provided with the 3rd inlet valve between daily bunker and the 3rd head tank, be provided with the 3rd bleeder valve between the 3rd head tank and the potroom storage bin, be provided with the 4th inlet valve between potroom storage bin and the electrolysis tank;
Said first head tank, second head tank and the 3rd head tank are provided with pressure sensor on jar top, are provided with the tuning fork level-sensing device at pot bottom;
Said PLC control module is controlled the charging and the discharging situation of first control access, second control access and the 3rd control access according to the pressure sensor of first head tank, second head tank and the 3rd head tank and the numerical value of tuning fork level-sensing device.
Comprise in said first control access that a plurality of controls along separate routes;
Each control comprises middle bunker, first head tank, daily bunker along separate routes, is located at first inlet valve between the middle bunker and first head tank, and is arranged at first bleeder valve between first head tank and the daily bunker.
Bunker is provided with dryer in the middle of said, and said PLC control module is controlled the mode of operation of said dryer.
Bunker links to each other with blower fan through electromagnetic valve in the middle of said;
Said PLC control module is obtained the force value of the first head tank determination of pressure sensor, according to the force value of the first head tank admission port, controls the open mode of said electromagnetic valve and blower fan.
Said PLC control module is obtained the material level value that each head tank tuning fork level-sensing device is measured, if arrive high charge level, then the bleeder valve that links to each other with head tank is opened in control, otherwise the inlet valve that links to each other with head tank is opened in control.
Also comprise the timer device that links to each other with said PLC control module, said PLC control module is through the switching time of each valve of timer device control.
Also comprise the warning device that links to each other with said PLC control module,
Said PLC control module is obtained the material level value that head tank tuning fork level-sensing device is measured, if be lower than low material level, then the warning device warning is opened in control; And/or
The blower fan entrance pressure value of bunker in the middle of said PLC control module is obtained, if be lower than setting value, then the warning device warning is opened in control.
Each equipment room of each control access carries out aluminium oxide through closed conduit and carries.
Said system also comprises the gas delivery upper computer that links to each other with said PLC control module, is used to be provided with aluminium oxide concentrated phase strength and carries controlled variable.
Said PLC control module comprises:
The CPU module, the digital quantity feedback signal load module DI that links to each other with the CPU module respectively, analog quantity feedback signal load module AI, digital quantity control signal output module DO and communication module; And, power module;
Analog quantity feedback signal load module AI is connected with the tuning fork level-sensing device with each pressure sensor respectively, receives each pressure sensor and detected force value of tuning fork level-sensing device and material level value; Digital quantity control signal output module DO is connected with each bleeder valve, inlet valve and electromagnetic valve respectively, sends to each valve and opens control signal; Said communication module is connected with said gas delivery upper computer through exchange.
A kind of aluminium oxide concentrated phase strength transport control system that the utility model provides; Pressure sensor and tuning fork level-sensing device all are housed in the head tank in each control access; The pressure signal of determination of pressure sensor is sent into the PLC control module; Head tank is equipped with two valves outward: bleeder valve and inlet valve, PLC control module send the charging of control signal control inlet valve, the discharging of control bleeder valve; Bunker all is equipped with dryer and blower fan in the middle of each, and the PLC control module sends that control signal can be controlled dryer and when blower fan works.The pressure signal that the PLC control module is gathered through pressure sensor; Can accurately control the pressure and the material level of each equipment,, thereby guarantee delivery safety through the switching time of each valve of the strict control of timer; Carrying out aluminium oxide through closed conduit carries; The protection environment promotes economic benefit, and automated production can also be enhanced productivity.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of aluminium oxide concentrated phase strength transport control system structured flowchart that Fig. 1 provides for the utility model embodiment;
Fig. 2 is a kind of structural representation of PLC control module among the utility model embodiment.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
Referring to Fig. 1, the utility model embodiment provides a kind of aluminium oxide concentrated phase strength transport control system, mainly comprises first control access, second control access, the 3rd control access and PLC control module;
In first control access, be provided with between first inlet valve, 6, the first head tanks 22 and the daily bunker 3 between the middle bunker 1 and first head tank 2 and be provided with first bleeder valve 7;
In second control access, be provided with between the bulk cargo storehouse 8 and second head tank 9 to be provided with between second bleeder valve, 18, the second head tanks 9 and the middle bunker 1 between second inlet valve, 17, the second head tanks 9 and the daily bunker 3 and be provided with the 5th bleeder valve 19;
In the 3rd control access; Be provided with the 3rd inlet valve 21 between daily bunker 3 and the 3rd head tank 20; Be provided with the 3rd bleeder valve 22 between the 3rd head tank 20 and the potroom storage bin 10, be provided with the 4th inlet valve 23 between potroom storage bin 10 and the electrolysis tank 11;
First head tank, second head tank and the 3rd head tank are provided with pressure sensor 5 on jar top, are provided with tuning fork level-sensing device 4 at pot bottom;
PLC control module (not shown) is controlled the charging and the discharging situation of first control access, second control access and the 3rd control access according to the pressure sensor 5 of first head tank, second head tank and the 3rd head tank and the numerical value of tuning fork level-sensing device 4.
Among the utility model embodiment, the bulk cargo storehouse specifically can be to deposit aluminium oxide and fluoride salt warehouse.In addition, in the concrete practice, daily bunker 3 can adopt 800 tons of daily bunkers to realize, bunker was realized in the middle of middle bunker 1 specifically can adopt 8000 tons.
Wherein, comprise in first control access that a plurality of controls along separate routes; In the practical application, such as can being 3 the tunnel.Each control comprises middle bunker, first head tank, daily bunker along separate routes respectively, is located at first inlet valve between the middle bunker and first head tank, and is arranged at first bleeder valve between first head tank and the daily bunker.
That is to say that bunker 1 was transported to the path control of three daily bunkers 3 respectively in the middle of first control access comprised three through three head tanks 2.
Further, middle bunker 1 is provided with dryer 12, the mode of operation of PLC control module control dryer.
In addition, middle bunker 1 also links to each other with blower fan 13 through electromagnetic valve 24.The PLC control module is obtained the force value that first head tank, 2 pressure sensors 5 are measured, and according to the force value of the first head tank admission port, controls the open mode of this electromagnetic valve 24 and blower fan 13.
The PLC control module is controlled the charging and the discharging situation of first control access, second control access and the 3rd control access according to the numerical value of the tuning fork level-sensing device 4 of first head tank, second head tank and the 3rd head tank, specifically can be:
The PLC control module is obtained the material level value that head tank tuning fork level-sensing device is measured, if arrive high charge level, then the bleeder valve that links to each other with head tank is opened in control, otherwise the inlet valve that links to each other with head tank is opened in control.
The system that the utility model embodiment provides also comprises the timer device that links to each other with the PLC control module, and the PLC control module is through the switching time of each valve of timer device control.The PLC control module is through the switching time of each valve of the strict control of timer, thus the safety that assurance is carried.
The system that the utility model embodiment provides also comprises the warning device that links to each other with the PLC control module, and the PLC control module is obtained the material level value that head tank tuning fork level-sensing device is measured, if be lower than low material level, then the warning device warning is opened in control; And/or, the blower fan entrance pressure value of bunker in the middle of the PLC control module is obtained, if be lower than setting value, then the warning device warning is opened in control.
Each equipment room of each control access carries out aluminium oxide through closed conduit and carries.Carry out aluminium oxide through closed conduit and carry, not only protect environment, can also further promote economic benefit.
The system that the utility model embodiment provides also comprises the gas delivery upper computer that links to each other with the PLC control module, is used to be provided with aluminium oxide concentrated phase strength and carries controlled variable.
Can set correlation parameter through the gas delivery upper computer, comprise: upper pressure limit, lower limit, the material level upper limit, lower limit or the like.After the system start-up, can open operations such as corresponding dryer according to the parameter that the gas delivery upper computer is set.
It is thus clear that; A kind of aluminium oxide concentrated phase strength transport control system that the utility model provides; Pressure sensor and tuning fork level-sensing device all are housed in the head tank in each control access; The pressure signal of determination of pressure sensor is sent into the PLC control module, and head tank is equipped with two valves outward: bleeder valve and inlet valve, PLC control module send the charging of control signal control inlet valve, the discharging of control bleeder valve; Bunker all is equipped with dryer and blower fan in the middle of each, and the PLC control module sends that control signal can be controlled dryer and when blower fan works.The pressure signal that the PLC control module is gathered through pressure sensor; Can accurately control the pressure and the material level of each equipment,, thereby guarantee delivery safety through the switching time of each valve of the strict control of timer; Carrying out aluminium oxide through closed conduit carries; The protection environment promotes economic benefit, and automated production can also be enhanced productivity.
Need to prove; The distributed computer control system that the utility model embodiment provides based on the aluminium oxide concentrated phase pneumatic conveying process of PLC; Can realize the remote a kind of automatic guidance carried of aluminium oxide; In addition; Collection, record, demonstration and the printing of the real-time monitoring of all right dynamic demonstration, system for field actuating equipment and running state indication, all fronts detection and control, pressure histogram, field data according to concrete needs completion system process, functions such as historical trend demonstration, fault alarm and system management.
As a specific embodiment of the utility model, referring to Fig. 2, above-mentioned PLC control module specifically can comprise:
In concrete practice, above-mentioned CPU module, DI, AI, DO, power module and communication module can all be arranged on the PLC frame.
Analog quantity feedback signal load module AI is connected with the tuning fork level-sensing device with each pressure sensor respectively, receives each pressure sensor and detected force value of tuning fork level-sensing device and material level value.
Digital quantity control signal output module DO is connected with each bleeder valve, inlet valve and electromagnetic valve respectively, sends to each valve and opens control signal.
Communication module is connected with gas delivery upper computer 16 through exchange 15.
Preferably, communication module specifically can be the ethernet communication module.In practical application, can select for use the CP343 ethernet communication module of Siemens to realize.
To the aluminium oxide concentrated phase strength transport control system that the utility model embodiment provides, provide the automatic control flow chart that a kind of concrete aluminium oxide concentrated phase strength is carried, in order to explain and to understand:
(1) set correlation parameter through the gas delivery upper computer, comprising: upper pressure limit, lower limit, the material level upper limit, lower limit start this PLC control system through operator's station then and move automatically.
(2) parameter of setting according to the gas delivery upper computer is opened corresponding dryer.
(3) judge whether daily bunker reaches high charge level, if to system reset then and restart, as if not to then getting into next step.
(4) judge if then start the timer timing, if less than then reporting to the police to low material level.
(5) whether judging the admission port force value greater than setting value, is then to open electromagnetic valve 24, blower fan 13, otherwise system reset and restarting.
(6) whether judging the blower fan entrance pressure greater than setting value, is then to get into next step, otherwise reports to the police, resets.
(7) judge whether head tank arrives high charge level,, otherwise open inlet valve 6 if then open bleeder valve 7.
(8) return judgement.
Need to prove; In this article; Term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability; Thereby make to comprise that the device of a series of key elements or equipment not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this device or equipment intrinsic key element.Under the situation that do not having much more more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within the device that comprises said key element or the equipment and also have other identical element.
The preferred embodiment that the above is merely the utility model is not the protection domain that is used to limit the utility model.Any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc., all be included in the protection domain of the utility model.
Claims (10)
1. an aluminium oxide concentrated phase strength transport control system is characterized in that, comprises first control access, second control access, the 3rd control access and PLC control module;
In said first control access, be provided with first inlet valve between the middle bunker and first head tank, be provided with first bleeder valve between first head tank and the daily bunker;
In said second control access, be provided with second inlet valve between the bulk cargo storehouse and second head tank, be provided with second bleeder valve between second head tank and the daily bunker, be provided with the 5th bleeder valve between second head tank and the middle bunker;
In said the 3rd control access, be provided with the 3rd inlet valve between daily bunker and the 3rd head tank, be provided with the 3rd bleeder valve between the 3rd head tank and the potroom storage bin, be provided with the 4th inlet valve between potroom storage bin and the electrolysis tank;
Said first head tank, second head tank and the 3rd head tank are provided with pressure sensor on jar top, are provided with the tuning fork level-sensing device at pot bottom;
Said PLC control module is controlled the charging and the discharging situation of first control access, second control access and the 3rd control access according to the pressure sensor of first head tank, second head tank and the 3rd head tank and the numerical value of tuning fork level-sensing device.
2. control system according to claim 1 is characterized in that, comprises in said first control access that a plurality of controls along separate routes;
Each control comprises middle bunker, first head tank, daily bunker along separate routes, is located at first inlet valve between the middle bunker and first head tank, and is arranged at first bleeder valve between first head tank and the daily bunker.
3. control system according to claim 1 is characterized in that, said middle bunker is provided with dryer, and said PLC control module is controlled the mode of operation of said dryer.
4. control system according to claim 1 is characterized in that, said middle bunker links to each other with blower fan through electromagnetic valve;
Said PLC control module is obtained the force value of the first head tank determination of pressure sensor, according to the force value of the first head tank admission port, controls the open mode of said electromagnetic valve and blower fan.
5. control system according to claim 1; It is characterized in that said PLC control module is obtained the material level value that each head tank tuning fork level-sensing device is measured, if arrive high charge level; Then the bleeder valve that links to each other with head tank is opened in control, otherwise the inlet valve that links to each other with head tank is opened in control.
6. control system according to claim 5 is characterized in that, also comprises the timer device that links to each other with said PLC control module, and said PLC control module is through the switching time of each valve of timer device control.
7. control system according to claim 5 is characterized in that, also comprises the warning device that links to each other with said PLC control module,
Said PLC control module is obtained the material level value that head tank tuning fork level-sensing device is measured, if be lower than low material level, then the warning device warning is opened in control; And/or
The blower fan entrance pressure value of bunker in the middle of said PLC control module is obtained, if be lower than setting value, then the warning device warning is opened in control.
8. control system according to claim 1 is characterized in that, each equipment room of each control access carries out aluminium oxide through closed conduit and carries.
9. according to each described control system of claim 1-8, it is characterized in that said system also comprises the gas delivery upper computer that links to each other with said PLC control module, be used to be provided with aluminium oxide concentrated phase strength and carry controlled variable.
10. control system according to claim 9 is characterized in that, said PLC control module comprises:
The CPU module, the digital quantity feedback signal load module DI that links to each other with the CPU module respectively, analog quantity feedback signal load module AI, digital quantity control signal output module DO and communication module; And, power module;
Analog quantity feedback signal load module AI is connected with the tuning fork level-sensing device with each pressure sensor respectively, receives each pressure sensor and detected force value of tuning fork level-sensing device and material level value; Digital quantity control signal output module DO is connected with each bleeder valve, inlet valve and electromagnetic valve respectively, sends to each valve and opens control signal; Said communication module is connected with said gas delivery upper computer through exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200347066U CN202481758U (en) | 2012-02-03 | 2012-02-03 | Dense phase pneumatic conveying control system for alumina |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200347066U CN202481758U (en) | 2012-02-03 | 2012-02-03 | Dense phase pneumatic conveying control system for alumina |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202481758U true CN202481758U (en) | 2012-10-10 |
Family
ID=46956202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200347066U Expired - Fee Related CN202481758U (en) | 2012-02-03 | 2012-02-03 | Dense phase pneumatic conveying control system for alumina |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202481758U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144966A (en) * | 2013-03-05 | 2013-06-12 | 柳州高新区欧亚自动化设备有限责任公司 | Concentrated phase pneumatic conveying equipment for electrolytic manganese dioxide |
| CN103159032A (en) * | 2013-02-21 | 2013-06-19 | 江苏浦士达环保科技有限公司 | Pneumatic conveying system |
| CN106006045A (en) * | 2016-07-12 | 2016-10-12 | 核工业北京化工冶金研究院 | Automatic lifting control system and method for ion exchange resin through pressure control |
| CN108355604A (en) * | 2018-05-07 | 2018-08-03 | 金川集团股份有限公司 | A kind of control system of continuous carbonylation carbonyl nickel |
| CN115027960A (en) * | 2022-05-23 | 2022-09-09 | 西安西矿环保科技有限公司 | High-temperature ash pneumatic conveying system and method |
-
2012
- 2012-02-03 CN CN2012200347066U patent/CN202481758U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159032A (en) * | 2013-02-21 | 2013-06-19 | 江苏浦士达环保科技有限公司 | Pneumatic conveying system |
| CN103159032B (en) * | 2013-02-21 | 2015-10-28 | 江苏浦士达环保科技有限公司 | Flow delivery systems |
| CN103144966A (en) * | 2013-03-05 | 2013-06-12 | 柳州高新区欧亚自动化设备有限责任公司 | Concentrated phase pneumatic conveying equipment for electrolytic manganese dioxide |
| CN103144966B (en) * | 2013-03-05 | 2015-10-21 | 柳州高新区欧亚自动化设备有限责任公司 | Electrolytic manganese dioxide thick and thin phase burner equipment |
| CN106006045A (en) * | 2016-07-12 | 2016-10-12 | 核工业北京化工冶金研究院 | Automatic lifting control system and method for ion exchange resin through pressure control |
| CN106006045B (en) * | 2016-07-12 | 2018-07-24 | 核工业北京化工冶金研究院 | A kind of pressure control ion exchange resin promotes automatic control system and method |
| CN108355604A (en) * | 2018-05-07 | 2018-08-03 | 金川集团股份有限公司 | A kind of control system of continuous carbonylation carbonyl nickel |
| CN115027960A (en) * | 2022-05-23 | 2022-09-09 | 西安西矿环保科技有限公司 | High-temperature ash pneumatic conveying system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202481758U (en) | Dense phase pneumatic conveying control system for alumina | |
| CN101723183B (en) | Scattered material storage tank tankful detection and control method | |
| CN110147069A (en) | A kind of the harbour real-time monitoring system and its working method twin based on number | |
| CN201458375U (en) | Automatic feeding device for scrap tire cracking furnace | |
| CN102381569A (en) | Fixed-point quantitative automatic loading method of bulk sulfur | |
| CN204620471U (en) | Ore dressing is with automatically controlling sorting system | |
| CN106595296A (en) | Material circulation conveying device and method for atmosphere protection roller furnace | |
| CN102633129A (en) | Intelligent joint robot stacking system and control system thereof | |
| Sheng et al. | Application of Siemens PLC and WinCC in the monitoring-control system of bulk grain silo | |
| CN203158773U (en) | Novel coal feeder | |
| CN104826816A (en) | Automatic control sorting system for mineral separation | |
| CN109592317A (en) | A kind of sludge conveying system and method | |
| CN104495389A (en) | Material conveying method | |
| CN204057277U (en) | A kind of novel coal bunker automatic handling device | |
| CN203048204U (en) | Rice yeast powder feeding system | |
| CN214732819U (en) | Automatic feeding and loading control system based on PLC | |
| CN204057935U (en) | A kind of beverage filling device | |
| CN203306754U (en) | Anti-crushing material conveying system | |
| CN103144966B (en) | Electrolytic manganese dioxide thick and thin phase burner equipment | |
| CN202472392U (en) | Terminal for energy monitoring | |
| CN101265591B (en) | System and method for pneumatic conveying of fluoride salt to aluminum cell | |
| CN205312636U (en) | Explosion -proof solid phase vacuum conveyor | |
| CN209939020U (en) | Batching and weighing control system | |
| CN104029839A (en) | Automatic soft-bag boxing production line | |
| CN202609522U (en) | Automatic feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Weibin Inventor after: Qiang Minghui Inventor after: Zhang Zhongyi Inventor after: Yu Bo Inventor after: Peng Hao Inventor after: Chen Zhiguo Inventor after: Chen Chonghai Inventor after: Chen Shulie Inventor after: Zeng Qingzhi Inventor before: Huang Weibin Inventor before: Zhang Minghui Inventor before: Zhang Zhongyi Inventor before: Yu Bo Inventor before: Peng Hao Inventor before: Chen Zhiguo Inventor before: Chen Chonghai Inventor before: Chen Shulie Inventor before: Zeng Qingzhi |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HUANG WEIBIN ZHANG MINGHUI ZHANG ZHONGYI YU BO PENG HAO CHEN ZHIGUO CHEN CHONGHAI CHEN SHULIE CENG QINGZHI TO: HUANG WEIBIN QIANG MINGHUI ZHANG ZHONGYI YU BO PENG HAO CHEN ZHIGUO CHEN CHONGHAI CHEN SHULIE CENG QINGZHI |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140203 |