CN203971726U - SNCR equipment for denitrifying flue gas - Google Patents
SNCR equipment for denitrifying flue gas Download PDFInfo
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- CN203971726U CN203971726U CN201420288798.XU CN201420288798U CN203971726U CN 203971726 U CN203971726 U CN 203971726U CN 201420288798 U CN201420288798 U CN 201420288798U CN 203971726 U CN203971726 U CN 203971726U
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- Prior art keywords
- dilution
- ammonia water
- flue gas
- ammonia
- pipeline
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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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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003546 flue gas Substances 0.000 title claims abstract description 34
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 92
- 239000012895 dilution Substances 0.000 claims abstract description 60
- 238000010790 dilution Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007921 spray Substances 0.000 claims abstract description 23
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 89
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 5
- 238000011033 desalting Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 239000004568 cement Substances 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 16
- 239000004202 carbamide Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000008235 industrial water Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000006358 carbonyl ethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([*:1])=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to denitrating flue gas field, is specially a kind of SNCR equipment for denitrifying flue gas, solves the problems such as equipment complexity in prior art, energy consumption is high, processing cost is high, complicated operation.This equipment for denitrifying flue gas comprises: ammoniacal liquor stores induction system, dilution water system, dilution metering system, distribution system, spray gun and control system etc., ammoniacal liquor stores the port of export of induction system and the port of export of dilution water system is connected with dilution metering system respectively, the port of export of dilution metering system is connected with distribution system with compressed air line, distribution system is connected to spray gun, and spray gun is corresponding with the burner hearth of boiler.Described ammoniacal liquor stores induction system, metering dilution system, dilution water system and distribution system and is connected with control system respectively.The utility model SNCR equipment for denitrifying flue gas is applicable to various low-temperature burning equipment, as: CFBB, cement kiln, incinerator etc.
Description
Technical Field
The utility model relates to a flue gas denitration field specifically is a selectivity non-catalytic reduction (SNCR) flue gas denitration device.
Background
The Selective Non-Catalytic Reduction (SNCR) technique is one of the techniques commonly used in the field of flue gas denitration at present, and is to uniformly spray ammonia (NH) into a furnace (or a circulating fluidized bed separator) within a narrow suitable temperature range without using a catalyst3) Or amino reducing agents such as urea, and the reducing agents are quickly decomposed in the furnace and then react with NOx in the flue gas to generate harmless N2And H2O, and does not substantially react with oxygen in the flue gas, and a denitrification apparatus (denitration apparatus) is an apparatus for removing nitrogen oxides from the flue gas. Wherein,
the main reaction taking urea as a reducing agent is as follows:
CO(CH2)2→2NH2+CO
NH2+NO→N2+H2O
CO+NO→N2+CO2
by NH3The main reactions that are reducing agents are:
4NH3+4NO+O2→4N2+6H2O
chinese patent document (publication No. CN102274687A) discloses an SNCR flue gas denitration device using urea as a reducing agent, which comprises a solid urea tank truck, a hose, a movable joint, a solid urea regulating valve, a solid urea storage tank, a solid urea feeder, a compressed air main pipe, a stirrer, a urea solution preparation tank, a heater, an industrial water main pipe, an industrial water regulating valve, a urea conveying pump, a urea solution storage tank, a urea injection pump, a mixer, a urea backflow regulating valve, a pressurized industrial water regulating valve, an industrial water pump, a urea diluent regulating valve, an atomized steam main pipe and a urea injection unit which are communicated according to process requirements, the device realizes full-automatic continuous feeding, ensures the concentration and uniformity of urea solution, automatically regulates the urea flow according to NOx discharge amount of combustion equipment, and enables the NOx discharge amount of the combustion equipment to be within a control range, the denitration effect is 60%. However, the treatment equipment provided by the device aiming at the reducing agent has the disadvantages of complex structure, high process requirement, high energy consumption, high initial investment and operation cost and poor economy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a selectivity non-catalytic reduction (SNCR) flue gas denitrification facility solves among the prior art equipment complicacy, the energy consumption is high, the processing cost is high, the complicated scheduling problem of operation.
The technical scheme of the utility model is that:
a selective non-catalytic reduction flue gas denitration device, comprising: the system comprises an ammonia water storage and conveying system, a dilution water system, a dilution metering system, a distribution system, a spray gun and a control system, wherein the outlet end of the ammonia water storage and conveying system and the outlet end of the dilution water system are respectively connected with the dilution metering system, the outlet end of the dilution metering system and a compressed air pipeline are connected with the distribution system, the distribution system is connected to the spray gun, and the spray gun corresponds to a hearth of a boiler.
The selective non-catalytic reduction flue gas denitration device, the ammonia water storage and conveying system, the metering and diluting system, the dilution water system and the distribution system are respectively connected with the control system.
Selective non-catalytic reduction flue gas denitration device, conveying system is stored to aqueous ammonia includes: the ammonia water tank truck comprises an ammonia water unloading pump, an ammonia water storage tank and an ammonia water delivery pump, wherein an ammonia water tank truck coming from the outside is connected with the ammonia water storage tank through the ammonia water unloading pump; the dilution water system includes: the desalting water tank is connected with the dilution water delivery pump, and the dilution water delivery pump is connected with the other inlet end of the mixer.
The selective non-catalytic reduction flue gas denitration device is characterized in that the ammonia water unloading pump, the ammonia water conveying pump and the dilution water conveying pump are all arranged in parallel.
The selective non-catalytic reduction flue gas denitration device is characterized in that the outlet end of the mixer is connected with a distribution system, and the distribution system is connected to a spray gun.
The selective non-catalytic reduction flue gas denitration device is characterized in that in the distribution system, a compressed air pipeline is divided into a compressed air branch pipeline, an ammonia water pipeline is divided into ammonia water branch pipelines, each spray gun is respectively connected with one ammonia water branch pipeline and one compressed air branch pipeline, each ammonia water branch pipeline is provided with a flow meter and an adjusting valve, and each compressed air branch pipeline is provided with an adjusting valve.
The selective non-catalytic reduction flue gas denitration device is characterized in that a regulating valve and an electromagnetic flowmeter are arranged on a pipeline between the mixer and the ammonia water delivery pump, and a regulating valve and an electromagnetic flowmeter are arranged on a pipeline between the mixer and the dilution water delivery pump.
The selective non-catalytic reduction flue gas denitration device is characterized in that an outlet pipeline of an ammonia water conveying pump is connected to an ammonia water storage tank through a return pipeline, and the return pipeline is provided with an ammonia water return pipeline adjusting valve.
The utility model has the advantages and beneficial effects that:
1. the utility model discloses SNCR flue gas denitration device simple structure, the energy consumption is low, the small investment.
2. The utility model discloses an equipment design is compact in each system, and area is little, is convenient for install and maintain.
3. The utility model discloses a realize automatic control through control system between each system, degree of automation is high, has improved the accuracy nature in the system processing process, has reduced the cost of labor.
4. The utility model discloses investment and running cost are low, the treatment effeciency is high, and construction period is short, and the practicality is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 ammonia unloading pump; 2, an ammonia water storage tank; 3, an ammonia water storage and conveying system; 4 ammonia water delivery pump; 5 ammonia water pipeline regulating valve; 6, a mixer; 7a dilution metering system; 8, a distribution system; 9, a spray gun; 10 a control system; 11 dilution water pipeline regulating valve; 12 a dilution water delivery pump; 13 a demineralized water tank; 14 a dilution water system; 15 ammonia water return line regulating valve; 16 ammonia pipeline electromagnetic flow meter; 17 dilution water line electromagnetic flowmeter.
Detailed Description
As shown in fig. 1, the utility model is suitable for a SNCR flue gas denitration device of low temperature combustion apparatus mainly includes: the system comprises an ammonia water storage and conveying system 3, a dilution water system 14, a dilution metering system 7, a distribution system 8, a spray gun 9 and a control system 10, wherein the outlet end of the ammonia water storage and conveying system 3 and the outlet end of the dilution water system 14 are respectively connected with the dilution metering system 7, the outlet end of the dilution metering system 7 and a compressed air pipeline are connected with the distribution system 8, the distribution system 8 is connected to the spray gun 9, and the spray gun 9 corresponds to a hearth of a boiler. The ammonia water storage and delivery system 3, the metering dilution system 7, the dilution water system 14 and the distribution system 8 are respectively connected with the control system 10. Wherein,
the ammonia storage and delivery system 3 includes: ammonia water uninstallation pump 1, aqueous ammonia storage tank 2 and ammonia water delivery pump 4, the external ammonia water tank car that comes links to each other with ammonia water storage tank 2 through ammonia water uninstallation pump 1, and ammonia water storage tank 2 is connected to ammonia water delivery pump 4, and ammonia water delivery pump 4 is connected with an entry end of the mixer 6 in the dilution measurement system 7. The dilution water system 14 includes: a desalting water tank 13 and a dilution water transfer pump 12, wherein the desalting water tank 13 is connected with the dilution water transfer pump 12, and the dilution water transfer pump 12 is connected with the other inlet end of the mixer 6. The outlet end of the mixer 6 is connected with a distribution system 8, the distribution system 8 is connected to a spray gun 9, and the spray gun 9 sprays the ammonia water solution into the hearth for denitration reaction. An ammonia water pipeline regulating valve 5 and an ammonia water pipeline electromagnetic flowmeter 16 are arranged on a pipeline between the mixer 6 and the ammonia water delivery pump 4, and a dilution water pipeline regulating valve 11 and a dilution water pipeline electromagnetic flowmeter 17 are arranged on a pipeline between the mixer 6 and the dilution water delivery pump 12. An outlet pipeline of the ammonia water delivery pump 4 is connected to the ammonia water storage tank 2 through a return pipeline, and an ammonia water return pipeline adjusting valve 15 is arranged on the return pipeline.
In the SNCR flue gas denitration device suitable for the low-temperature combustion equipment, the ammonia water unloading pump 1, the ammonia water conveying pump 4 and the dilution water conveying pump 12 are all arranged in parallel. In the distribution system 8, the compressed air pipeline is divided into a plurality of compressed air branch pipelines, the ammonia pipeline is divided into a plurality of ammonia water solution branch pipelines, each spray gun 9 is respectively connected with one ammonia water solution branch pipeline and one compressed air branch pipeline, each ammonia water branch pipeline is provided with a flowmeter and an adjusting valve, and each compressed air branch pipeline is provided with an adjusting valve.
The working process of the utility model is as follows:
ammonia water with the mass concentration of 20% -25% transported by an ammonia water tank truck is unloaded into an ammonia water storage tank 2 by an ammonia water unloading pump 1 for storage and is used by a denitration system; the ammonia water in the ammonia water storage tank 2 is conveyed to a mixer 6 in a dilution metering system 7 through an ammonia water conveying pump 4, the ammonia water is mixed with desalted water (dilution water) from a dilution water system 14 in the mixer 6, the mixture is conveyed to a distribution system 8 after being diluted to a preset concentration, and finally, the diluted ammonia water solution is sprayed into a boiler through a spray gun 9 after the pressure and the flow of the compressed air and the ammonia water solution are automatically adjusted by utilizing compressed air from a factory. The opening and closing of the ammonia water storage and conveying system 3, the metering dilution system 7, the dilution water system 14 and the distribution system 8 can be automatically controlled through a conventional control system 10, and the accuracy of the treatment process is improved.
In the dilution metering system 7, the flow of the required ammonia water and the flow of the dilution water are automatically adjusted through the ammonia water pipeline adjusting valve 5 and the dilution water pipeline adjusting valve 11, and the ammonia water is diluted into the final required ammonia water concentration in the mixer 6 so as to meet the requirements of different loads of the boiler. The ammonia pipe line electromagnetic flow meter 16 and the dilution water pipe line electromagnetic flow meter 17 are used to detect the flow rate of the pipe line. The ammonia water return line that sets up on 4 outlet pipelines of ammonia water delivery pump, adjust the stable flow and the pressure of the aqueous ammonia solution of boiler through the ammonia water return line governing valve 15 that return line set up to guarantee the denitration effect.
The result shows, the utility model discloses complete equipment simple structure, the design is compact, and area is little, simple to operate, and power consumption is low, and the cost of labor is low, and construction cycle is short, and initial investment and operation, maintenance cost are low, and the practicality is high. The utility model discloses SNCR flue gas denitration device is applicable to various low temperature combustion apparatus, if: circulating fluidized bed boiler, cement kiln, garbage incinerator, etc.
Claims (8)
1. A selective non-catalytic reduction flue gas denitration device is characterized by comprising: the system comprises an ammonia water storage and conveying system, a dilution water system, a dilution metering system, a distribution system, a spray gun and a control system, wherein the outlet end of the ammonia water storage and conveying system and the outlet end of the dilution water system are respectively connected with the dilution metering system, the outlet end of the dilution metering system and a compressed air pipeline are connected with the distribution system, the distribution system is connected to the spray gun, and the spray gun corresponds to a hearth of a boiler.
2. The selective non-catalytic reduction flue gas denitration device according to claim 1, wherein the ammonia water storage and delivery system, the metering dilution system, the dilution water system and the distribution system are respectively connected with the control system.
3. The selective non-catalytic reduction flue gas denitration device of claim 1, wherein the ammonia storage and delivery system comprises: the ammonia water tank truck comprises an ammonia water unloading pump, an ammonia water storage tank and an ammonia water delivery pump, wherein an ammonia water tank truck coming from the outside is connected with the ammonia water storage tank through the ammonia water unloading pump; the dilution water system includes: the desalting water tank is connected with the dilution water delivery pump, and the dilution water delivery pump is connected with the other inlet end of the mixer.
4. The selective non-catalytic reduction flue gas denitration device according to claim 3, wherein the ammonia water unloading pump, the ammonia water transfer pump and the dilution water transfer pump are all two pumps arranged in parallel.
5. The selective non-catalytic reduction flue gas denitration device of claim 3, wherein the outlet end of the mixer is connected to a distribution system, the distribution system being connected to a lance.
6. The selective non-catalytic reduction flue gas denitration device according to claim 1 or 5, wherein the distribution system is provided with a compressed air line, an ammonia solution line, and a spray gun, wherein the compressed air line is divided into a compressed air branch line, the ammonia line is divided into an ammonia solution branch line, each spray gun is respectively connected with one ammonia solution branch line and one compressed air branch line, each ammonia solution branch line is provided with a flow meter and a regulating valve, and each compressed air branch line is provided with a regulating valve.
7. The selective non-catalytic reduction flue gas denitration device according to claim 3, wherein the pipeline between the mixer and the ammonia water transfer pump is provided with an adjusting valve and an electromagnetic flow meter, and the pipeline between the mixer and the dilution water transfer pump is provided with an adjusting valve and an electromagnetic flow meter.
8. The selective non-catalytic reduction flue gas denitration device according to claim 3, wherein an outlet pipeline of the ammonia water delivery pump is connected to the ammonia water storage tank through a return pipeline, and the return pipeline is provided with an ammonia water return pipeline adjusting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288798.XU CN203971726U (en) | 2014-05-30 | 2014-05-30 | SNCR equipment for denitrifying flue gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288798.XU CN203971726U (en) | 2014-05-30 | 2014-05-30 | SNCR equipment for denitrifying flue gas |
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| CN203971726U true CN203971726U (en) | 2014-12-03 |
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| CN201420288798.XU Expired - Fee Related CN203971726U (en) | 2014-05-30 | 2014-05-30 | SNCR equipment for denitrifying flue gas |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185367A (en) * | 2017-06-09 | 2017-09-22 | 青岛艳阳天环保有限公司 | SNCR metered dispensing units and method that concentration based on ammonia is quantitatively coupled |
| CN107497272A (en) * | 2017-09-01 | 2017-12-22 | 佛山市南海绿电再生能源有限公司 | A kind of flue gas denitrification system |
| CN108404653A (en) * | 2018-03-30 | 2018-08-17 | 西安热工研究院有限公司 | A kind of flue gas SCR denitration puies forward effect system and method |
| CN108479362A (en) * | 2018-06-12 | 2018-09-04 | 江苏华本环境科技有限公司 | A kind of SNCR denitration system |
| CN109513348A (en) * | 2018-12-20 | 2019-03-26 | 东方电气集团东方锅炉股份有限公司 | Combustion engine waste heat boiler SCR denitrating flue gas reducing agent spraying controlling system and control method |
| CN109529590A (en) * | 2019-01-09 | 2019-03-29 | 王煜翔 | A kind of equipment for denitrifying flue gas |
| CN112301214A (en) * | 2020-10-29 | 2021-02-02 | 矿冶科技集团有限公司 | Pulp type feeding system and method |
| CN113385007A (en) * | 2021-06-07 | 2021-09-14 | 河南环碧环保工程设备有限公司 | Flue gas denitration system for walking beam furnace and process flow thereof |
| CN114392641A (en) * | 2022-01-24 | 2022-04-26 | 江苏那洋环境科技有限公司 | Intelligent and accurate SNCR (selective non-catalytic reduction) denitration system and denitration method |
| CN114797435A (en) * | 2022-05-17 | 2022-07-29 | 合肥中亚环保科技有限公司 | SNCR (selective non-catalytic reduction) denitration system for circulating fluidized bed boiler |
| CN115006980A (en) * | 2022-05-20 | 2022-09-06 | 广东五洲药业有限公司 | SNCR flue gas denitration system |
-
2014
- 2014-05-30 CN CN201420288798.XU patent/CN203971726U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185367A (en) * | 2017-06-09 | 2017-09-22 | 青岛艳阳天环保有限公司 | SNCR metered dispensing units and method that concentration based on ammonia is quantitatively coupled |
| CN107497272A (en) * | 2017-09-01 | 2017-12-22 | 佛山市南海绿电再生能源有限公司 | A kind of flue gas denitrification system |
| CN108404653A (en) * | 2018-03-30 | 2018-08-17 | 西安热工研究院有限公司 | A kind of flue gas SCR denitration puies forward effect system and method |
| CN108479362A (en) * | 2018-06-12 | 2018-09-04 | 江苏华本环境科技有限公司 | A kind of SNCR denitration system |
| CN109513348A (en) * | 2018-12-20 | 2019-03-26 | 东方电气集团东方锅炉股份有限公司 | Combustion engine waste heat boiler SCR denitrating flue gas reducing agent spraying controlling system and control method |
| CN109529590A (en) * | 2019-01-09 | 2019-03-29 | 王煜翔 | A kind of equipment for denitrifying flue gas |
| CN112301214A (en) * | 2020-10-29 | 2021-02-02 | 矿冶科技集团有限公司 | Pulp type feeding system and method |
| CN113385007A (en) * | 2021-06-07 | 2021-09-14 | 河南环碧环保工程设备有限公司 | Flue gas denitration system for walking beam furnace and process flow thereof |
| CN114392641A (en) * | 2022-01-24 | 2022-04-26 | 江苏那洋环境科技有限公司 | Intelligent and accurate SNCR (selective non-catalytic reduction) denitration system and denitration method |
| CN114797435A (en) * | 2022-05-17 | 2022-07-29 | 合肥中亚环保科技有限公司 | SNCR (selective non-catalytic reduction) denitration system for circulating fluidized bed boiler |
| CN115006980A (en) * | 2022-05-20 | 2022-09-06 | 广东五洲药业有限公司 | SNCR flue gas denitration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170913 Address after: 110027 No. 20, sixteen street, economic and Technological Development Zone, Liaoning, Shenyang Patentee after: Shenyang Yuanda solid waste treatment Co. Ltd. Address before: 110027, No. 27, development road, sixteen street, Tiexi Economic Development Zone, Liaoning, Shenyang Patentee before: SHENYANG YUANDA TECHNOLOGY PARK CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180315 Address after: 110027 No. 27, sixteen street, economic and Technological Development Zone, Liaoning, Shenyang Patentee after: Shenyang Yuanda Environmental Engineering Co.,Ltd. Address before: 110027 No. 20, sixteen street, economic and Technological Development Zone, Liaoning, Shenyang Patentee before: Shenyang Yuanda solid waste treatment Co. Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20190530 |
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| CF01 | Termination of patent right due to non-payment of annual fee |