CN205061649U - Automatic feeder apparatus of throwing of lime breast - Google Patents
Automatic feeder apparatus of throwing of lime breast Download PDFInfo
- Publication number
- CN205061649U CN205061649U CN201520546276.XU CN201520546276U CN205061649U CN 205061649 U CN205061649 U CN 205061649U CN 201520546276 U CN201520546276 U CN 201520546276U CN 205061649 U CN205061649 U CN 205061649U
- Authority
- CN
- China
- Prior art keywords
- lime
- lime powder
- milk
- dissolves
- powder bin
- 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
- 239000004571 lime Substances 0.000 title claims abstract description 59
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 58
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 58
- 210000000481 breast Anatomy 0.000 title abstract 4
- 239000000843 powder Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000000920 calcium hydroxide Substances 0.000 claims description 24
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 23
- 238000004090 dissolution Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 230000004630 mental health Effects 0.000 description 3
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- -1 but Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses an automatic feeder apparatus of throwing of lime breast, it relates to the medicine machine field, it hinders rotating level meter evenly to be provided with the several on the inside lateral wall in lime powder storehouse, the lower extreme opposite side in lime powder storehouse is provided with the hopper wall vibrator, the lower extreme in lime powder storehouse is provided with the vibration hopper, the lower extreme of vibration hopper is connected with star type batcher, material screw conveyer's one end setting is in the below position of star type batcher, the top position that the filter is being dissolved in material screw conveyer's other end setting, it dissolves the incasement at the lime breast to dissolve the filter setting, one side that the lime breast dissolves the case is provided with the storage tank, one side of storage tank is provided with with the medicine delivery pump. It is through PLC control, can 24 hours continuous operation, and emulsion concentration can automatic ratio, and self - cleaning arranges the sediment, and it is on duty to need not the special messenger, the manpower resources that have significantly reduced, the application market wide range, the wide application is in power plant's desulfurization, the chemical industry's acid waste water PH and the regulation.
Description
Technical field
The utility model relates to a kind of milk of lime automatic adding device, belongs to medicine machine technical field.
Background technology
Usual employing adds the method for caustic soda or lime, improve the pH value of waste water, in and acid waste water, but, caustic soda is as a kind of highly basic, there is severe corrosive, not only expensive (4 times for lime method process waste water expense), and need operator's especially careful, this brings certain hidden danger to production safety, and not only cost is low for lime, adjust ph is effective, and lime itself is also a kind of good coagulant aids, can impurity effectively in sedimentation waste water, play certain water purification.
Conventional lime dosing method is based on manpower, the employing Semi-automatic device of part, it is serious that the method has dust pollution, measure control out of true, labor strength is large, the deficiencies such as work under bad environment, shortcoming is: first, early stage Lime-Injecting method is first by manually preparing certain density lime slurry in dosing pond, then impeller pump is utilized to pump to toss area, by observing spinner-type flowmeter, valve before operation impeller pump controls the size of dosage, but rotor usually flooded by the lime slurry of muddiness, the extremely difficult position of seeing rotor clearly of operator, dosage can only be controlled by regulated valve by rule of thumb, in addition, along with lime continuous fouling in transfer lime, identical valve opening, the lime slurry flow passed through is also along with changing, therefore cannot fine adjustment pH value only according to the regulation and control of artificial valve, also can produce impact due to the fluctuation of pH value to downstream process, if Lime-Injecting is unstable in addition, excessive lime also very easily causes fouling and the blocking of downstream line, the second, in early stage Lime-Injecting system, water quality analysis obtains data by watchstander's manual inspection, within general one hour, detect once, water quality testing data is relatively discontinuous, if meet the emergency situation such as variation water quality or even sudden change, is difficult to make rapid reaction, 3rd, the labour intensity of artificial preparing lime milk liquid is excessive.Workman prepares burden add from being transported to out bag, not only time of at substantial and manpower, and the lime dust of escaping out therebetween has larger harm to the respiratory system of human body and eyes, and causes environmental pollution.
Along with the raising of automatic control level, there is the complete adding equipment of lime, but still had following shortcoming: the process of adding has been open type in present stage, the serious and subsidiary dust removal installation of the process that feeds intake dust pollution is simple; Lime storage bin adopts ultrasonic material level meter, is subject to high concentrate dust impact, measures inaccurate; Storage bin sodalime moisture-sensitive, and tap density is uneven, causes bottom that arch formation occurs, and causes discharging unstable; Adopt solid flowmeter metering feed inaccurate, add efficiency low, fluctuation of service.
Utility model content
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of milk of lime automatic adding device.
A kind of milk of lime automatic adding device of the present utility model, it comprises lime powder bin, sack cleaner, blocking rotary type level meter, hopper wall vibrator, vibrating bunker, star-shaped feeding machine, material screw conveyor, dissolution filter device, milk of lime dissolves case, storagetank, dosing transferpump, the upper end of lime powder bin is provided with sack cleaner, the internal side wall of lime powder bin is evenly provided with several blocking rotary type level meter, the lower end opposite side of lime powder bin is provided with hopper wall vibrator, the lower end of lime powder bin is provided with vibrating bunker, the lower end of vibrating bunker is connected with star-shaped feeding machine, one end of material screw conveyor is arranged on the lower position of star-shaped feeding machine, the other end of material screw conveyor is arranged on the top position of dissolution filter device, dissolution filter device is arranged on milk of lime and dissolves in case, the side that milk of lime dissolves case is provided with storagetank, the side of storagetank is provided with dosing transferpump.
As preferably, described lime powder bin is sealed conical vessel structure design, and its inside is provided with dehydrating unit, guarantees to keep dry in storehouse, not easily makes storehouse sodalime powder have arch formation, thus ensures that powder loosens feed.
As preferably, described sack cleaner is made up of cloth bag, casing, electric electromagnetic shaker etc., easily dust is produced in fill process, the physical and mental health of surrounding environment and employee is had an impact, first fly-ash separator need be opened when charging, the dust produced time reinforced is collected, falls in lime bin through electronic concussion.
As preferably, described material screw conveyor is one of core apparatus of conveying lime powder, and powder is passed and carries by the screw-blade of rotation, and metering is transported to milk of lime and dissolves case, adopts variable frequency control mode feed.
As preferably, described milk of lime dissolves case and is made up of tank body, stirrer, fluid level controller etc.A certain amount of lime powder is entered in tank and be dissolved into certain density lime slurry with a certain amount of tap water by stirrer agitation and dilution, be provided with timing automatic cleaning deslagging function.
As preferably, described dissolution filter device is that lime powder is when with water dissolution, more rigid particle and throw out can be isolated, directly dosing pump is entered if do not processed, the wearing and tearing to dosing pump can be increased, greatly reduce the work-ing life of dosing pump, remove the gred effective, be provided with timing automatic backwashing blowdown function.
The beneficial effects of the utility model: its reasonable in design, simple to operate, easy to use, add dose large, add metering accurately, failure rate is few, stable equipment operation, is controlled by PLC, can run continuously for 24 hours, emulsion concentration can automatic mixing, automatic cleaning deslagging, without the need to staff on duty, greatly reduces manpower, application market scope is wide, is widely used in the acid waste water PH of power plant desulfurization, chemical industry and regulates.
Accompanying drawing explanation
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is workflow diagram of the present utility model.
1-lime powder bin; 2-sack cleaner; 3-blocking rotary type level meter; 4-hopper wall vibrator; 5-vibrating bunker; 6-star-shaped feeding machine; 7-material screw conveyor; 8-dissolution filter device; 9-milk of lime dissolves case; 10-storagetank; 11-dosing transferpump.
Embodiment
As Fig. 1, shown in Fig. 2, this embodiment is by the following technical solutions: it comprises lime powder bin 1, sack cleaner 2, blocking rotary type level meter 3, hopper wall vibrator 4, vibrating bunker 5, star-shaped feeding machine 6, material screw conveyor 7, dissolution filter device 8, milk of lime dissolves case 9, storagetank 10, dosing transferpump 11, the upper end of lime powder bin 1 is provided with sack cleaner 2, the internal side wall of lime powder bin 1 is evenly provided with several blocking rotary type level meter 3, the lower end opposite side of lime powder bin 1 is provided with hopper wall vibrator 4, the lower end of lime powder bin 1 is provided with vibrating bunker 5, the lower end of vibrating bunker 5 is connected with star-shaped feeding machine 6, one end of material screw conveyor 7 is arranged on the lower position of star-shaped feeding machine 6, the other end of material screw conveyor 7 is arranged on the top position of dissolution filter device 8, dissolution filter device 8 is arranged on milk of lime and dissolves in case 9, the side that milk of lime dissolves case 9 is provided with storagetank 10, the side of storagetank 10 is provided with dosing transferpump 11.
Wherein, described lime powder bin 1 is sealed conical vessel structure design, and its inside is provided with dehydrating unit, guarantees to keep dry in storehouse, not easily makes storehouse sodalime powder have arch formation, thus ensures that powder loosens feed; Described sack cleaner 2 is made up of cloth bag, casing, electric electromagnetic shaker etc., easily dust is produced in fill process, the physical and mental health of surrounding environment and employee is had an impact, first fly-ash separator need be opened when charging, the dust produced time reinforced is collected, falls in lime bin through electronic concussion; Described material screw conveyor 7 is one of core apparatus of conveying lime powder, and powder is passed and carries by the screw-blade of rotation, and metering is transported to milk of lime and dissolves case 9, adopts variable frequency control mode feed; Described milk of lime dissolves case 9 and is made up of tank body, stirrer, fluid level controller etc.A certain amount of lime powder is entered in tank and be dissolved into certain density lime slurry with a certain amount of tap water by stirrer agitation and dilution, be provided with timing automatic cleaning deslagging function; Described dissolution filter device 8 is that lime powder is when with water dissolution, more rigid particle and throw out can be isolated, directly dosing pump is entered if do not processed, the wearing and tearing to dosing pump can be increased, greatly reduce the work-ing life of dosing pump, remove the gred effective, be provided with timing automatic backwashing blowdown function.
Lime powder is sent into by material transport vehicle by this embodiment, be stored in lime powder bin 1, high, medium and low, low level gage is provided with in feed bin, powder in filler bin is then pointed out to throw during full level alarm full, powder in filler bin is then pointed out to be short of when meta is reported to the police, then point out staff to supplement charging during low alarm, then warn filler bin during low low alarm and lack material, namely whole system device will be in stopped status, first roof scrubber is opened during charging in storehouse, because can dust be produced when lime powder puts in storage, the physical and mental health of surrounding environment and operator is impacted and inconvenience, therefore adopt storehouse to push up formula fly-ash separator in this device to collect, dedusting, absorption is vibrated by electric vibrator at the dust on filter bag surface, under fall within filler bin, at the end of charging, the vibrating motor of cleaning apparatus is closed after for some time to be delayed, the lime powder stored to loosen even blanking specified rate feeding device through vibrator, guarantee blanking is unobstructed, and by worm conveyor, quantitative lime powder is transported to lime powder dissolving case, enter quantitative tap water simultaneously, stirred by stirrer and produce emulsion (concentration is generally 5%-10%), the emulsion that proportioning becomes is transported to milk of lime by milk of lime transfering material pump again and purchases case, the purchase clean emulsion of case of milk of lime adds pump by the milk of lime of a preparation and a use and is added to user and specifies use point, and in this device, be provided with automatic detergent line and deslagging filter.
This embodiment is by bulk powder Special seal tank car feed, by DN100 opening for feed powder inputted in feed bin and store, through pneumatic broken arch and shake loose feed, loose powder dissolves case and tap water proportioning by turning valve and worm conveyor metering feed in lime powder, and the clean emulsion of lime that proportioning becomes is added to chemical feeding points by high-quality sand oar pump continous way that is wear-resisting, acid and alkali-resistance.
This embodiment reasonable in design, simple to operate, easy to use, add dose large, add metering accurately, failure rate is few, stable equipment operation, is controlled by PLC, can run continuously for 24 hours, emulsion concentration can automatic mixing, automatic cleaning deslagging, without the need to staff on duty, greatly reduces manpower, application market scope is wide, is widely used in the acid waste water PH of power plant desulfurization, chemical industry and regulates.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a milk of lime automatic adding device, it is characterized in that: it comprises lime powder bin (1), sack cleaner (2), blocking rotary type level meter (3), hopper wall vibrator (4), vibrating bunker (5), star-shaped feeding machine (6), material screw conveyor (7), dissolution filter device (8), milk of lime dissolves case (9), storagetank (10), dosing transferpump (11), the upper end of lime powder bin (1) is provided with sack cleaner (2), the internal side wall of lime powder bin (1) is evenly provided with several blocking rotary type level meter (3), the lower end opposite side of lime powder bin (1) is provided with hopper wall vibrator (4), the lower end of lime powder bin (1) is provided with vibrating bunker (5), the lower end of vibrating bunker (5) is connected with star-shaped feeding machine (6), one end of material screw conveyor (7) is arranged on the lower position of star-shaped feeding machine (6), the other end of material screw conveyor (7) is arranged on the top position of dissolution filter (8), dissolution filter device (8) is arranged on milk of lime and dissolves in case (9), the side that milk of lime dissolves case (9) is provided with storagetank (10), the side of storagetank (10) is provided with dosing transferpump (11).
2. a kind of milk of lime automatic adding device according to claim 1, is characterized in that: described lime powder bin (1) is sealed conical vessel structure design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546276.XU CN205061649U (en) | 2015-07-24 | 2015-07-24 | Automatic feeder apparatus of throwing of lime breast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546276.XU CN205061649U (en) | 2015-07-24 | 2015-07-24 | Automatic feeder apparatus of throwing of lime breast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205061649U true CN205061649U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520546276.XU Expired - Fee Related CN205061649U (en) | 2015-07-24 | 2015-07-24 | Automatic feeder apparatus of throwing of lime breast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205061649U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486048A (en) * | 2017-10-05 | 2017-12-19 | 申青林 | One kind feed emulsifier unit |
| CN110015738A (en) * | 2019-05-05 | 2019-07-16 | 安徽理工大学 | A kind of mealy medicine quantifies add-on system |
| CN110193302A (en) * | 2019-06-10 | 2019-09-03 | 山东清洁环保重工科技有限公司 | A kind of dedicated mixing station of standard type dirt |
| CN110935391A (en) * | 2019-12-31 | 2020-03-31 | 濮阳宏业环保新材料股份有限公司 | Sulfur dioxide urea continuous dissolving device and process |
| CN111634705A (en) * | 2020-04-22 | 2020-09-08 | 阳泉市泰耀工贸有限公司 | A limestone powder metering and feeding device |
| CN111777339A (en) * | 2020-06-08 | 2020-10-16 | 云南华联锌铟股份有限公司 | Automatic preparation facilities of lime breast |
| CN112624295A (en) * | 2021-01-18 | 2021-04-09 | 贵州东峰锑业股份有限公司 | Control system for automatically adjusting pH in wastewater treatment process |
| CN113713641A (en) * | 2021-09-15 | 2021-11-30 | 合肥楚航环保设备有限公司 | Intelligent self-control type lime feeding device |
| CN114956284A (en) * | 2022-05-26 | 2022-08-30 | 华能陇东能源有限责任公司 | Double-fed adjustment-based heavy medium powder dry method automatic adding system and method |
| CN115625181A (en) * | 2022-08-16 | 2023-01-20 | 湖北祥云(集团)化工股份有限公司 | Phosphogypsum harmless treatment system |
| WO2023115430A1 (en) * | 2021-12-20 | 2023-06-29 | 清远市嘉禾稀有金属有限公司 | Milk of lime anti-settling process and treatment device therefor |
-
2015
- 2015-07-24 CN CN201520546276.XU patent/CN205061649U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486048A (en) * | 2017-10-05 | 2017-12-19 | 申青林 | One kind feed emulsifier unit |
| CN110015738A (en) * | 2019-05-05 | 2019-07-16 | 安徽理工大学 | A kind of mealy medicine quantifies add-on system |
| CN110193302A (en) * | 2019-06-10 | 2019-09-03 | 山东清洁环保重工科技有限公司 | A kind of dedicated mixing station of standard type dirt |
| CN110935391A (en) * | 2019-12-31 | 2020-03-31 | 濮阳宏业环保新材料股份有限公司 | Sulfur dioxide urea continuous dissolving device and process |
| CN111634705A (en) * | 2020-04-22 | 2020-09-08 | 阳泉市泰耀工贸有限公司 | A limestone powder metering and feeding device |
| CN111777339B (en) * | 2020-06-08 | 2024-09-06 | 云南华联锌铟股份有限公司 | Automatic lime milk preparation device |
| CN111777339A (en) * | 2020-06-08 | 2020-10-16 | 云南华联锌铟股份有限公司 | Automatic preparation facilities of lime breast |
| CN112624295A (en) * | 2021-01-18 | 2021-04-09 | 贵州东峰锑业股份有限公司 | Control system for automatically adjusting pH in wastewater treatment process |
| CN113713641A (en) * | 2021-09-15 | 2021-11-30 | 合肥楚航环保设备有限公司 | Intelligent self-control type lime feeding device |
| WO2023115430A1 (en) * | 2021-12-20 | 2023-06-29 | 清远市嘉禾稀有金属有限公司 | Milk of lime anti-settling process and treatment device therefor |
| CN114956284A (en) * | 2022-05-26 | 2022-08-30 | 华能陇东能源有限责任公司 | Double-fed adjustment-based heavy medium powder dry method automatic adding system and method |
| CN114956284B (en) * | 2022-05-26 | 2023-11-14 | 华能陇东能源有限责任公司 | Automatic dry-method heavy medium powder feeding system and method based on double-fed adjustment |
| CN115625181A (en) * | 2022-08-16 | 2023-01-20 | 湖北祥云(集团)化工股份有限公司 | Phosphogypsum harmless treatment system |
| CN115625181B (en) * | 2022-08-16 | 2025-02-11 | 湖北祥云(集团)化工股份有限公司 | Harmless treatment system for phosphogypsum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20190724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |