CN207973768U - A kind of metallurgical residue is milled retracting device - Google Patents

A kind of metallurgical residue is milled retracting device Download PDF

Info

Publication number
CN207973768U
CN207973768U CN201820319403.6U CN201820319403U CN207973768U CN 207973768 U CN207973768 U CN 207973768U CN 201820319403 U CN201820319403 U CN 201820319403U CN 207973768 U CN207973768 U CN 207973768U
Authority
CN
China
Prior art keywords
chamber
milling
sliding block
pulley
fixedly connected
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
Application number
CN201820319403.6U
Other languages
Chinese (zh)
Inventor
高子珩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANHE GREAT WALL INDUSTRIAL Co Ltd
Original Assignee
SANHE GREAT WALL INDUSTRIAL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SANHE GREAT WALL INDUSTRIAL Co Ltd filed Critical SANHE GREAT WALL INDUSTRIAL Co Ltd
Priority to CN201820319403.6U priority Critical patent/CN207973768U/en
Application granted granted Critical
Publication of CN207973768U publication Critical patent/CN207973768U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

Landscapes

  • Processing Of Solid Wastes (AREA)

Abstract

It mills retracting device the utility model discloses a kind of metallurgical residue, including ontology, feeding mouth, chamber of milling, impact block and motor, the chamber body top installation is milled chamber, the chamber top connection feeding mouth of milling;Corresponding position installs plate of milling above the chamber of milling;Heat exchanging chamber is set below the chamber of milling;Motor is arranged in the ontology right upper portion, and motor left end is fixedly connected with first pulley, and drawstring is fixedly connected with below the first pulley, second pulley is arranged below the first pulley;Horizontal concrete chute is set on the left of the second pulley;The drawstring left end is fixedly connected with the first sliding block, and first sliding block lower end connects head rod, and the head rod lower end hingedly strikes block;The utility model is easy to operate, can adequately be rolled to residue, while being recycled to the waste heat in residue, has saved resource, while can realize automatic discharge pusher, has saved a large amount of energy.

Description

A kind of metallurgical residue is milled retracting device
Technical field
The utility model is related to metallurgical technology field, specifically a kind of metallurgical residue is milled retracting device.
Background technology
Metallurgy is exactly to extract metal or metallic compound from ore, metal is made with one with various processing methods The process and technique of the metal material of qualitative energy, smelting are divided into pyrometallurgical smelting, wet underwater welding or electrochemical deposition, and wherein wet method carries It takes and is known as hydrometallurgy in metallurgical process.This metallurgical process of hydrometallurgy is to use the aqueous solution of acid, alkali, salt, with chemistry side Method extracts required metal component from ore, then produces metal with the various methods such as aqueous solution electrolysis.This method is mainly used in Low one's own department or unit, infusibilized or micro mist shape ore;It will produce a large amount of residue in metallurgical process;If be expelled directly out, can not only make At the pollution of environment, can also result in waste of resources;So that metallurgical cost improves;Recycling may be implemented in metallurgical residue, from And realize energy-saving and environment-friendly purpose.
Utility model content
It mills retracting device the purpose of this utility model is to provide a kind of metallurgical residue, to solve in above-mentioned background technology The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of metallurgical residue is milled retracting device, including ontology, feeding mouth, chamber of milling, impact block and motor, the ontology Inner cavity top is installed by chamber of milling, the chamber top connection feeding mouth of milling;Plate of milling is installed above the chamber of milling;It is described to mill It is fixedly mounted on mounting bracket on the left of plate;It is hollow structure inside the mounting bracket;The mounting bracket lower end is fixedly connected with second Sliding block;Second slide block set is on guide rail;Heat exchanging chamber is set below the chamber of milling;The heat exchanging chamber lower part connection push Chamber;Motor is arranged in the ontology right upper portion, and the motor left end is fixedly connected with first pulley, is fixed below the first pulley Second pulley is arranged in connection stay cord, the first pulley lower section, and the drawstring is rotatablely connected with the second pulley;Described second Horizontal concrete chute is set on the left of pulley, and the drawstring is placed in the horizontal concrete chute;The drawstring left end is fixedly connected with the first cunning Block, first sliding block are mounted on the horizontal concrete chute;First sliding block is slidably connected with the horizontal concrete chute;Described One sliding block lower end is fixedly connected with head rod, and the head rod lower end hingedly strikes block;The push chamber lower part installation Transmission wheel, there are two the transmission wheels;By transmitting band connection between the transmission wheel;Push chamber lower left side setting the One compressed spring, the first compressed spring right end are fixedly connected with scraping wings, and the scraping wings is slidably connected with the conveyer belt; Discharge valve is set on the right side of the push chamber, and the discharge valve is obliquely installed;The discharge valve right upper portion is fixedly connected Second shaft.
As further program of the utility model:The chamber lower part installation filter screen of milling.
As the utility model further scheme:Second sliding block is slidably connected with the guide rail.
As the utility model further scheme:The annular electric vibrating block of heat exchanging chamber side wall installation.
As the utility model further scheme:It is fixedly connected with the second compressed spring on the left of first sliding block;Institute The second compressed spring is stated in the horizontal concrete chute;The second compressed spring left end is fixedly connected on the right side of the guide rail Wall.
As the utility model further scheme:First sliding block passes through the second connecting rod with second sliding block Connection.
As the utility model further scheme:It is abutted with the impact block on the left of the scraping wings.
As the utility model further scheme:The motor is dual-axle motor.
As the utility model further scheme:Metallurgical residue according to claim is milled retracting device, It is characterized in that, the motor right end is fixedly connected with first bevel gear, first rotating shaft is set on the right side of the ontology, described first turn Axis upper end is fixedly connected with second bevel gear, and the first bevel gear is engaged with the second bevel gear;The first rotating shaft lower end Third hand tap gear is fixedly mounted, the 4th bevel gear is installed on rear side of second shaft, the third hand tap gear is bored with the described 4th Gear engages.
Compared with prior art, the utility model has the beneficial effects that:The plate of milling can be on the filter screen Residue carries out rolling processing, convenient to be recycled to residue, and the heat exchanging chamber can carry out waste heat to the residue after rolling Recycling adequately utilizes the energy, embodies energy-saving and environment-friendly purpose;The electronic vibrating mass of annular can avoid the heat exchanging chamber Side wall remaining residue influences the heat exchanging chamber waste heat recovery efficiency;First sliding block, which moves left and right, can drive described second Sliding block moves up and down, and plate of milling described in the second sliding block drive moves up and down, and then realizes and rolled to the cycle of residue, makes Residue roll it is more abundant;First sliding block, which moves left and right, can drive the impact block and head rod or so to move It is dynamic, so that the impact block pushes the scraping wings to move left and right;Improve residue expulsion efficiency;Avoid residue accumulation Excessively;The second shaft rotation can drive the discharge valve to rotate, and then realize automatic ration discharging, alleviate behaviour Make the burden of personnel;The utility model is easy to operate, reasonable design, can adequately be rolled to residue, while in residue Waste heat is recycled, and has been saved resource, while can realize automatic discharge pusher, has been saved a large amount of energy.
Description of the drawings
Fig. 1 is that metallurgical residue is milled the structural schematic diagram of retracting device.
Fig. 2 is that metallurgical residue mills and strikes the structural schematic diagram of block in retracting device.
Fig. 3 is the close-up schematic view of A in Fig. 1.
Fig. 4 is the close-up schematic view of B in Fig. 1.
In figure:Mill chamber, 4- of 1- ontologies, 2- feeding mouths, 3- mills plate, 5- mounting brackets, 6- filter screens, 7- heat exchanging chambers, 8- The electronic vibrating mass of annular, 9- push chamber, 10- conveyer belts, 11- transmission wheels, 12- discharge valves, 13- scraping wings, 14- first compress Spring, 15- impacts block, 16- head rods, the second compressed springs of 17-, the second connecting rods of 18-, the first sliding blocks of 19-, 20- the One shaft, the second shafts of 21-, 22- guide rails, the second sliding blocks of 23-, 24- drawstrings, 25- horizontal concrete chutes, 26- motors, 27- first are slided Wheel, 28- second pulleys, 29- first bevel gears, 30- second bevel gears, 31- third hand tap gears, the 4th bevel gears of 32-.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the utility model embodiment, a kind of metallurgical residue is milled retracting device, including ontology 1, is entered Chamber 3 of milling, 3 top of the chamber company that mills are installed in material mouth 2, chamber 3 of milling, impact block 15 and motor 26,1 inner cavity top of the ontology Access material mouth 2,3 lower part of the chamber installation filter screen 6 of milling;6 top corresponding position of the filter screen installs plate 4 of milling;It is described Plate 4 of milling can carry out the residue on the filter screen 6 to roll processing, convenient to be recycled to residue;It is described to mill 4 left side of plate is fixedly mounted on mounting bracket 5;5 inside of the mounting bracket is hollow structure;5 lower end of the mounting bracket is fixedly connected Second sliding block 23;Second sliding block 23 is sleeved on guide rail 22;Second sliding block 23 is slidably connected with the guide rail 22;Institute It states 3 lower section of chamber of milling and heat exchanging chamber 7 is set, the heat exchanging chamber 7 can carry out the residue after rolling waste heat recovery, adequately utilize The energy embodies energy-saving and environment-friendly purpose;7 side wall of heat exchanging chamber installation annular electric vibrating block 8;The annular electric vibrating Block 8 can avoid 7 side wall remaining residue of the heat exchanging chamber, influence 7 waste heat recovery efficiency of the heat exchanging chamber;Under the heat exchanging chamber 7 Portion's connection push chamber 9;Motor 26 is arranged in 1 right upper portion of the ontology, and 26 left end of the motor is fixedly connected with first pulley 27, institute State the lower section of first pulley 27 and be fixedly connected with drawstring 24,27 lower section of the first pulley is arranged second pulley 28, the drawstring 24 with The second pulley 28 is rotatablely connected;Horizontal concrete chute 25 is arranged in 28 left side of the second pulley, and the drawstring 24 is placed on described In horizontal concrete chute 25;24 left end of the drawstring is fixedly connected with the first sliding block 19, and first sliding block 19 is mounted on described horizontal sliding On slot 25;First sliding block 19 is slidably connected with the horizontal concrete chute 25;First sliding block, 19 left side is fixedly connected with second Compressed spring 17;Second compressed spring 17 is mounted in the horizontal concrete chute 25;Second compressed spring, 17 left end is solid Surely 22 right side wall of the guide rail is connected;First sliding block 19 is connect with second sliding block 23 by the second connecting rod 18;Institute Stating the first sliding block 19 and moving left and right can drive second sliding block 23 to move up and down, and second sliding block 23 drives described mill Plate 4 moves up and down, and then realizes and rolled to the cycle of residue so that residue rolls more abundant;Under first sliding block 19 End is fixedly connected with head rod 16, and 16 lower end of the head rod hingedly strikes block 15;9 lower part of the push chamber installation passes Wheel 11 is sent, there are two the transmission wheels 11;It is connected by conveyer belt 10 between the transmission wheel 11;9 lower part of push chamber is left The first compressed spring 14 is arranged in side, and 14 right end of the first compressed spring is fixedly connected with scraping wings 13, the scraping wings 13 and institute Conveyer belt 10 is stated to be slidably connected;13 left side of the scraping wings is abutted with the impact block 15;First sliding block 19 moves left and right The impact block 15 and head rod 16 can be driven to move left and right, so that the impact block 15 pushes the scraping wings 13 move left and right;Improve residue expulsion efficiency;It is excessive to avoid residue accumulation;Discharge valve is arranged in 9 right side of the push chamber 12, the discharge valve 12 is obliquely installed;12 right upper portion of the discharge valve is fixedly connected with the second shaft 21;The motor 26 For dual-axle motor;26 right end of the motor is fixedly connected with first bevel gear 29, and first rotating shaft 20, institute is arranged in 1 right side of the ontology It states 20 upper end of first rotating shaft and is fixedly connected with second bevel gear 30, the first bevel gear 29 is engaged with the second bevel gear 30; Third hand tap gear 31 is fixedly mounted in 20 lower end of the first rotating shaft, and second shaft, 21 rear side installs the 4th bevel gear 32, institute Third hand tap gear 31 is stated to engage with the 4th bevel gear 32;The rotation of second shaft 21 can drive the discharge valve 12 Rotation, and then automatic ration discharging is realized, alleviate the burden of operating personnel.
The operation principle of the utility model is:Residue is by plate 4 of milling described in the entrance of the feeding mouth 2;The motor 26 start, and the first pulley 27 is driven to rotate, and the first pulley 27 pulls the drawstring 24, the drawstring 24 to pull described First sliding block 19 moves left and right, and first sliding block 19 pulls second sliding block 23 to move up and down, plate 4 of milling described in cooperation Gravity;The plate 4 of milling is realized to roll residue;Waste heat in residue is absorbed in the heat exchanging chamber 7, simultaneously The electronic vibrating mass 8 of annular vibrates, and improves absorption efficiency;Then residue is fallen into the push chamber 9;The transmission wheel 11 Startup pushes the residue on the conveyer belt 10, while first sliding block 19 drives the impact block 15 or so to move Dynamic, the impact block 15 pushes the scraping wings 13 to move left and right, and avoids the accumulation of residue on the conveyer belt 10;The electricity Machine 26, which starts, drives the first bevel gear 29 and second bevel gear 30 to rotate, and the rotation of the second bevel gear 30 drives described the One shaft 20 and third hand tap gear 31 rotate, and the third hand tap gear 31 drives 21 turns of the 4th bevel gear 32 and the second shaft It is dynamic, it realizes second shaft 21 and drives 12 time opening discharge of the discharge valve;The utility model is easy to operate, design Rationally, residue can adequately be rolled, while the waste heat in residue is recycled, saved resource, while can realize Automatic discharge pusher has saved a large amount of energy.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (9)

  1. The retracting device 1. a kind of metallurgical residue is milled, which is characterized in that including ontology(1), feeding mouth(2), chamber of milling(3), hit Block hitting(15)And motor(26), the ontology(1)Inner cavity top is installed by chamber of milling(3), the chamber of milling(3)Top connects pan feeding Mouthful(2);The chamber of milling(3)Top is installed by plate of milling(4);The plate of milling(4)Left side is fixedly mounted on mounting bracket(5)On; The mounting bracket(5)Inside is hollow structure;The mounting bracket(5)Lower end is fixedly connected with the second sliding block(23);Described second slides Block(23)It is sleeved on guide rail(22)On;The chamber of milling(3)Heat exchanging chamber is arranged in lower section(7);The heat exchanging chamber(7)Lower part connection pushes away Send chamber(9);The ontology(1)Motor is arranged in right upper portion(26), the motor(26)Left end is fixedly connected with first pulley(27), The first pulley(27)Lower section is fixedly connected with drawstring(24), the first pulley(27)Second pulley is arranged in lower section(28), institute State drawstring(24)With the second pulley(28)Rotation connection;The second pulley(28)Horizontal concrete chute is arranged in left side(25), institute State drawstring(24)It is placed on the horizontal concrete chute(25)In;The drawstring(24)Left end is fixedly connected with the first sliding block(19), described First sliding block(19)Mounted on the horizontal concrete chute(25)On;First sliding block(19)With the horizontal concrete chute(25)Sliding connects It connects;First sliding block(19)Lower end is fixedly connected with head rod(16), the head rod(16)Lower end hingedly strikes Block(15);The push chamber(9)Lower part is installed by transmission wheel(11), the transmission wheel(11)There are two;The transmission wheel(11)It Between pass through conveyer belt(10)Connection;The push chamber(9)The first compressed spring is arranged in lower left side(14), the first compression bullet Spring(14)Right end is fixedly connected with scraping wings(13), the scraping wings(13)With the conveyer belt(10)It is slidably connected;The push Chamber(9)Discharge valve is arranged in right side(12), the discharge valve(12)It is obliquely installed;The discharge valve(12)Right upper portion is solid Surely the second shaft is connected(21).
  2. The retracting device 2. metallurgical residue according to claim 1 is milled, which is characterized in that the chamber of milling(3)Pacify lower part Fill filter screen(6).
  3. The retracting device 3. metallurgical residue according to claim 1 is milled, which is characterized in that second sliding block(23)With institute State guide rail(22)It is slidably connected.
  4. The retracting device 4. metallurgical residue according to claim 1 is milled, which is characterized in that the heat exchanging chamber(7)Side wall is pacified The electronic vibrating mass of dress annular(8).
  5. The retracting device 5. metallurgical residue according to claim 1 is milled, which is characterized in that first sliding block(19)Left side It is fixedly connected with the second compressed spring(17);Second compressed spring(17)Mounted on the horizontal concrete chute(25)In;Described Two compressed springs(17)Left end is fixedly connected with the guide rail(22)Right side wall.
  6. The retracting device 6. metallurgical residue according to claim 1 is milled, which is characterized in that first sliding block(19)With institute State the second sliding block(23)Pass through the second connecting rod(18)Connection.
  7. The retracting device 7. metallurgical residue according to claim 1 is milled, which is characterized in that the scraping wings(13)Left side with The impact block(15)It abuts.
  8. The retracting device 8. metallurgical residue according to claim 1 is milled, which is characterized in that the motor(26)For twin shaft electricity Machine.
  9. The retracting device 9. metallurgical residue according to claim 1 is milled, which is characterized in that the motor(26)Right end is fixed Connect first bevel gear(29), the ontology(1)First rotating shaft is arranged in right side(20), the first rotating shaft(20)Upper end, which is fixed, to be connected Connect second bevel gear(30), the first bevel gear(29)With the second bevel gear(30)Engagement;The first rotating shaft(20) Third hand tap gear is fixedly mounted in lower end(31), second shaft(21)Rear side installs the 4th bevel gear(32), the third cone Gear(31)With the 4th bevel gear(32)Engagement.
CN201820319403.6U 2018-03-08 2018-03-08 A kind of metallurgical residue is milled retracting device Expired - Fee Related CN207973768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820319403.6U CN207973768U (en) 2018-03-08 2018-03-08 A kind of metallurgical residue is milled retracting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820319403.6U CN207973768U (en) 2018-03-08 2018-03-08 A kind of metallurgical residue is milled retracting device

Publications (1)

Publication Number Publication Date
CN207973768U true CN207973768U (en) 2018-10-16

Family

ID=63765092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820319403.6U Expired - Fee Related CN207973768U (en) 2018-03-08 2018-03-08 A kind of metallurgical residue is milled retracting device

Country Status (1)

Country Link
CN (1) CN207973768U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573212A (en) * 2020-05-20 2020-08-25 佛山市南海森盟机械有限公司 Feeding device of spring rubber machine
CN114592102A (en) * 2022-03-31 2022-06-07 铜陵求精机械有限公司 Resource cleaning and recycling device for metallurgical converter residues

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573212A (en) * 2020-05-20 2020-08-25 佛山市南海森盟机械有限公司 Feeding device of spring rubber machine
CN114592102A (en) * 2022-03-31 2022-06-07 铜陵求精机械有限公司 Resource cleaning and recycling device for metallurgical converter residues
CN114592102B (en) * 2022-03-31 2023-02-28 铜陵求精机械有限公司 Resource cleaning and recycling device for metallurgical converter residues

Similar Documents

Publication Publication Date Title
CN207973768U (en) A kind of metallurgical residue is milled retracting device
CN204866082U (en) Coal breaker
CN204892086U (en) Second grade coal breaker
CN211218401U (en) Material collecting device of nut punch press
CN107127025A (en) A kind of wheat leftover bits and pieces pulverizer
CN107497542B (en) A kind of lithium battery production production graphite milling apparatus
CN112221561B (en) Blast furnace ironmaking slag treatment method
CN109244578A (en) A kind of recovery method of waste lithium cell valuable metal
CN112033136A (en) Tea leaf drying device
CN204892087U (en) Improved generation coal breaker
CN204154586U (en) Automatic drum device of coke
CN114014518B (en) Production line and production process of medium borosilicate glass
CN112657592B (en) Sorting equipment for hardware electric appliance parts
CN212918989U (en) Improved shot blasting machine with high cleaning efficiency
CN114413597A (en) Tea processing equipment
CN110280483B (en) Rare earth metal fused salt separator
CN206677796U (en) A kind of shot recycling vehicle for shot blasting machine
CN208427670U (en) A kind of iron brass welding wire production machine straightening device
CN220862021U (en) High-efficient separator of ball sediment for shot-blasting machine
CN114672599B (en) Cooling device based on self-adjustment of waste slag quantity for metal steel smelting and processing
CN207641579U (en) A kind of kaolin ball mill
CN216368366U (en) Novel grind abundant magnetic powder ball mill
CN213054365U (en) Shot blasting device for aluminum alloy plates
CN209613194U (en) A kind of broken machine of pestle
CN211660099U (en) Raw material crushing device for metal silicon powder production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181016

Termination date: 20210308