CN206624889U - A kind of blast furnace slag granulation engine - Google Patents
A kind of blast furnace slag granulation engine Download PDFInfo
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- CN206624889U CN206624889U CN201720175563.3U CN201720175563U CN206624889U CN 206624889 U CN206624889 U CN 206624889U CN 201720175563 U CN201720175563 U CN 201720175563U CN 206624889 U CN206624889 U CN 206624889U
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- rotor body
- axis
- bevel gear
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- slag
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model provides a kind of blast furnace slag granulation engine, belongs to metallurgical and field of power machinery technology.The engine includes support, hollow shaft, upper lid, core, rotor body, upper platen, hopper, annular seating, pelletizer, dynamic bevel gear, output bevel gear wheel etc.; support, hollow shaft, hopper and upper lid are fixedly connected to form static engine framework; core, rotor body, upper platen and annular seating are fixedly connected to form the rotor that can be rotated around hollow shaft; pelletizer is arranged on annular seating; play dynamic bevel gear and output bevel gear wheel engages with the bevel gear wheel of core simultaneously, be connected starting and the power output for realizing engine with starting device and generating set respectively.The utility model engine is the key equipment for changing existing blast furnace slag granulation technique, and the waste heat energy utilization rate of blast furnace slag is high, and granulation effect is good; water vapour recoverable, resource consumption is few, without dust pollution; occupation area of equipment is small, there is important application prospect in blast fumance.
Description
Technical field
The utility model belongs to metallurgical and field of power machinery technology, and in particular to a kind of blast furnace slag granulation engine.
Background technology
Substantial amounts of high temperature waste residue, mainly blast furnace slag and slag (abbreviation clinker) are produced during Ferrous Metallurgy.It is wherein high
The temperature of clinker is at 1450 DEG C or so, and heat content is about 1700MJ/t, and the temperature of slag is about 1450-1650 DEG C, and heat content is about
1670MJ/t, they belong to the residual heat resources of high-quality, have very high recovery value.Crystal is formed during blast furnace slag Slow cooling
Phase, quickly forms glass phase during cooling, the glassy state blast furnace slag that quenching obtains has good hydraulically active, can make cement
Raw material.Therefore most blast furnace slags all use water quenching granulating technique (abbreviation water quenching) at present, such as Lhasa (Rasa) method, India and Pakistan
(INBA) method and Tula (Tyna) method etc., corresponding to these techniques Slag treatment equipment although it is simple in construction, investment it is small, can meet
The disposal ability requirement of blast fumance, but it is big new water consumption to be present, it is impossible to melting slag waste heat is reclaimed, system maintenance work amount is big；Powder
During mill, wet slag dries the problems such as being still to consume the energy.
The content of the invention
The purpose of this utility model is to provide a kind of blast furnace slag granulation engine, to solve at existing blast furnace slag granulation
It is insufficient present in reason, a kind of utilization rate of waste heat height of blast furnace slag is obtained, granulation effect is good, water vapour recoverable, resource
Consumption is few, without dust pollution, the small blast furnace slag efficient process key equipment of occupation area of equipment.
A kind of blast furnace slag granulation engine provided by the utility model includes support 1, hollow shaft 24, upper lid 10, core
4th, upper bearing (metal) 5, lower bearing group 26, end cap 7, sealing ring 6, rotor body 20, upper platen 14, hopper 13, annular seating 16, pelletizer
17th, upper seal ring 8, lower seal ring 21, a dynamic bevel gear 22a and output bevel gear wheel 28a.
The bottom of support 1 is fixedly connected with the one end of hollow shaft 24, and top is fixedly connected with the upper lid 10, hollow shaft 24
Overlapped with the axis of upper lid 10 with the center line of support 1, form static working stand.The axle of the core 4 and hollow shaft 24
Line overlaps, and is supported in hollow shaft 24, can be rotated relative to hollow shaft 24 by upper bearing (metal) 5 and lower bearing group 26 respectively.It is described
End cap 7 is located at the upper top of hollow shaft 24, and its axis overlaps with the axis of hollow shaft 24 and core 4, and end cap 7 is solid with hollow shaft 24
Fixed connection, while the lower surface of end cap 7 is pressed against on the inner ring of upper bearing (metal) 5, and sealing ring 6 is installed between end cap 7 and core 4.Institute
It is inverted cup-like structure to state rotor body 20, and its axis of rotation overlaps with the axis of core 4, the top of rotor body 20 and core
4 upper flange 4c is fixedly connected, and bottom and the spacer flanger 4b cooperations of core 4 position, even on the circumference of rotor body 20
N vertical shaft C is furnished with, while is provided with and vertical shaft C quantity identical slag passage D and aquaporin G, spray on the top of rotor body 20
Mouth of a river F is located on slag passage D, and vertical shaft C bottom connects with transverse jet perforation E, and spray-hole E axis and vertical shaft C are circumferentially
The RADIAL of distribution is vertical.The upper platen 14 is located at the top of rotor body 20, is fixedly connected with rotor body 20, and it is turned round
Axis overlaps with the axis of rotation of rotor body 20, and the central passage of upper platen 14 forms slag chamber with the upper surface of rotor body 20
A.The hopper 13 is located at the top of upper platen 14, is supported on static upper lid 10, the axis of its geometrical axis and upper lid 10
Overlap, the central throat tube skewer of hopper 13 enters in the central passage of upper platen 14.The annular seating 16 is located at the vertical shaft C of rotor body 20
Upper end, be fixedly connected with rotor body 20, its geometrical axis overlaps with the axis of rotation of rotor body 20, the circle of annular seating 16
Week is provided with mounting hole corresponding with vertical shaft C, and described pelletizer 17, the endoporus of annular seating 16 and upper platen 14 is fixedly mounted
Periphery forms circular conical surface and coordinated.The upper seal ring 8 and lower seal ring 21 are all loop configuration, their axis and rotor body 20
Axis overlaps；Upper seal ring 8 is fixedly connected with upper lid 10 and keeps slidably contacting with the end face of annular seating 16；Lower seal ring 21 and machine
Seat 1 is fixedly connected and keeps slidably contacting with the lower surface of rotor body 20.The collection slag plate 20a is fixed on rotor body 20
Bottom it is cylindrical on, along the circumference of the rotation direction of rotor body 20, positioned at spray-hole E front.Described dynamic bevel gear 22a
Positioned at the bottom of support 1, engage to form deceleration transmission with bevel gear wheel 4a, it is dynamic that starting device 22 has given dynamic bevel gear 22a to provide
Power realizes the starting of this engine；The output bevel gear wheel 28a is located in the same horizontal plane with playing dynamic bevel gear 22a axis,
Also engage to form step-up drive with bevel gear wheel 4a, generating set 28 of the drive installation on the downside of support works.
Further, described support 1 is drum-shaped structure, and drum top excircle is provided with bustle pipe 1a, the aggregation of slag particle 3
Area is located at the middle and lower part of support 1, and scum hole is set on the accumulation regions drum wall, and deslagging device 27 is arranged on corresponding scum hole
Drum on the outside of, the accumulation regions of slag particle 3 are circumferentially a fan sections for being less than 90 ° positioned at collection slag plate 20a lower section, slag particle 3
Accumulation regions bottom be the filter screen 2 being fixedly connected with support 1.
Described core 4 is axially symmetric structure part, and top is provided with upper flange 4c, and middle part is provided with spacer flanger 4b, bottom
Provided with bevel gear wheel 4a, upper flange 4c external cylindrical surface and endoporus, spacer flanger 4b external cylindrical surface, bevel gear wheel 4a and interior
The axis coaxle in hole and perpendicular to upper flange 4c upper surface.
The pelletizer 17 includes spur gear 17a, impeller 17c, screw shaft 17d and bearing 17b, screw shaft 17d top
Optical axis is fixedly connected spur gear 17a, and the upper and lower both sides of spur gear 17a set bearing and sealing ring supporting screw axle 17d in bearing
On 17b, impeller 17c, screw shaft 17d screw portion and impeller 17c insertion vertical shaft C are fixedly connected with the screw shaft below bearing
In and keep the axis of three to overlap.
The utility model the principles of science：
During work, including rotor body 20, core 4, annular seating 16 and the engine interior such as pelletizer 17 and upper platen 14
Rotatable parts form engine rotor, rotated at a high speed under the driving of starting device, hopper 13 of the slag from upper position of engine
Slag chamber A is injected, flows through the slag passage on rotor under the influence of centrifugal force；Meanwhile water under high pressure passes through through water pipe head 23
The central passage of hollow shaft 24 enters collect cavity B, is sprayed by water channel G from the water jet F on slag passage；Slag contacts with water
The high-pressure fluid that the quick-fried reaction of water forms water, slag and steam mixing, the leaf of the fluid impact pelletizer 17 are produced in the space of closing
Take turns 17c and carry out once externally acting, engaged by the spur gear 17a of pelletizer with the internal gear on upper lid 10, drive engine
Rotor rotates.The fluid that kinetic energy is absorbed by impeller 17c changes the direction of motion, is moved downward along the screw slot of pelletizer 17, passes through
The thinner slag particle of collision rift particle carries out secondary heat exchange in the shaft, and slag particle temperature further declines, vapor (steam) temperature and pressure
Further increase, the mixture of high steam and grain slag sprays and external twice work doing from the spray-hole E of rotor bottom, promotes hair
Motivation rotor high-speed rotation, unnecessary power drive generator by bevel gear wheel 4a and output bevel gear wheel 28a step-up drive
Group work.The low-pressure steam of spray-hole E discharges carries out recycling processing into bustle pipe 1a, is dispersed in circle between support 1 and rotor
Slag particle on week is collected into accumulation regions by the collection slag plate 20a on rotor, is discharged by deslagging device 27.
Compared with prior art, it is as follows the advantages of the utility model：
1st, slag treatment efficiency high, granulation effect are good.Slag flows through at a high speed the slag on rotor under the influence of centrifugal force
Passage, in the closing space of elevated pressures, enter the impeller high velocity impact of slag particle and pelletizer caused by the quick-fried reaction of water-filling with water,
Efficiency high is granulated, solid impurity particle is small.
2nd, utilization rate of waste heat is high, and resource consumption is few, without dust pollution.During slag treatment, the quick-fried reaction of water and second heat
The heat transfer efficiency of exchange is high, and resulting high-pressure fluid externally does work and effectively can absorb and utilize twice, the low pressure of exclusion
Water vapour recoverable.
3rd, occupation area of equipment is small, simple in construction, easy to maintenance.
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model blast furnace slag granulation engine.
Fig. 2 is the top view cross section structural representation of the utility model blast furnace slag granulation engine.
In figure：1：Support, 1a：Bustle pipe, 2：Filter screen, 3：Grain slag, 4：Core, 4a：Bevel gear wheel, 4b：Spacer flanger, 4c：
Upper flange, 5：Upper bearing (metal), 6：Sealing ring, 7：End cap, 8：Upper seal ring, 9：Screw, 10：Upper lid, 11：Nut, 12：Bolt, 13：
Hopper, 14：Upper platen, 15：Screw, 16：Annular seating, 17：Pelletizer, 17a：Spur gear, 17b：Bearing, 17c：Impeller, 17d：
Screw shaft, 18：Upper box nut, 19：Upper bonnet bolt, 20：Rotor body, 20a：Collect slag plate, 21：Lower seal ring, 22：Starting device,
22a：Play dynamic bevel gear, 23：Water pipe head, 24：Hollow shaft, 25：Bolt group, 26：Lower bearing group, 27：Deslagging device, 28：Hair
Group of motors, 28a：Output bevel gear wheel, A：Slag chamber；B：Collect cavity；C：Vertical shaft；D：Slag passage；E：Spray-hole；F：Water jet；
G：Aquaporin.
Embodiment
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but the utility model is not limited to following implementations
Example.
The top of support 1 is provided with bustle pipe 1a in Fig. 1, collects the low-pressure steam after slag granulating；Middle and lower part slag particle accumulation regions are set
There is filter screen 2 to collect the unevaporated water of start-up period to reuse；The centre bore of the bottom of support 1 coordinates with the diameter of axle of hollow shaft 24
And axial restraint is carried out by bolt group 25.Water pipe head 25 is fixedly connected with hollow shaft 24, and water under high pressure is entered empty by water pipe
The inner chamber of mandrel.Core 4 with bevel gear wheel 4a, spacer flanger 4b and upper flange 4c passes through upper bearing (metal) 5 and lower bearing group
26 are supported in hollow shaft, and the end of hollow shaft 24 is fixedly connected with screw 15 with end cap 7 and keeps the sealing of contact surface, end cap
Sealing ring 6 is installed between 7 periphery and the upper flange 4c endoporus of core 4.
With collection slag plate 20a, vertical shaft C, slag passage D, aquaporin G and water jet F rotor body 20, core 4 and on
Platen 14 is fixedly connected by bolt 11 with nut 12, the endoporus of rotor body 20 respectively with the upper flange 4c of core 4 and centre
Flange 4b cylindrical cooperation carries out centralized positioning, and the end face of rotor body 20 contacts to form collection with the upper flange 4c upper surfaces of core 4
Water cavity B, the endoporus of upper platen 14 form slag chamber A with the upper surface of rotor body 20.By bearing 17b, spur gear 17a, impeller
The pelletizer 17 of 17c and screw shaft 17d compositions is fixedly connected by screw 9 together with annular seating 16 with rotor body 20, impeller
17c and screw shaft 17d spiral section are located in the vertical shaft C of rotor body.Upper lid 9 and support 1 bonnet bolt 19 and upper lid spiral shell
Mother 18 is fixedly connected, and the internal gear of upper lid 9 engages with all spur gear 17a and realizes the power once to be done work during slag treatment
Output.
The trunnion for the hopper 13 being supported on lid 10 is inserted in the above endoporus of platen 14 to import slag to slag chamber A.
Upper seal ring 8 is fixedly connected with upper lid 10 and keeps uniform sliding contact with annular seating 16；Lower seal ring 21 is fixedly connected simultaneously with support 1
Uniform sliding contact is kept with rotor body 20.Play auger teeth of the dynamic bevel gear 22a and output bevel gear wheel 28a simultaneously with core 4
4a engagements are taken turns, starting device 22 is fixedly mounted on the bottom of support 1, has connected the starting that dynamic bevel gear 22a realizes engine.
Fig. 2 is the top view cross section structural representation of the utility model blast furnace slag granulation engine.Filter screen 2 is fixed on support 1
Middle and lower part the accumulation regions of slag particle 3, the central angles of accumulation regions is 45 °.Rotor body 20 is provided with 8 vertical shaft C, circumferentially uniformly divides
Cloth, thus it is named as 8 Cylinder engines.Corresponding transverse jet perforation E is arranged at each vertical shaft C bottoms, and the axis of spray-hole erects with corresponding
The RADIAL at well center is vertical.Corresponding slag passage connection slag chamber A, the spray connected with aquaporin G are arranged at each vertical shaft C tops
Mouth of a river F is located on slag passage D and close to vertical shaft C.Deslagging device 27 is located at the side of support 1, and starting device 22 and hair
Group of motors 28 is located at the opposite side of support 1, and output bevel gear wheel 28a connections generating set 28 realizes the power output of engine.
Claims (4)
- A kind of 1. blast furnace slag granulation engine, it is characterised in that：The engine includes support (1), hollow shaft (24), upper lid (10), core (4), upper bearing (metal) (5), lower bearing group (26), end cap (7), sealing ring (6), rotor body (20), collection slag plate (20a), upper platen (14), hopper (13), annular seating (16), pelletizer (17), upper seal ring (8), lower seal ring (21), a mantle tooth Take turns (22a) and output bevel gear wheel (28a)；Support (1) bottom is fixedly connected with hollow shaft (24) one end, and top is fixedly connected with the upper lid (10), hollow shaft (24) overlapped with the upper axis for covering (10) with the center line of support (1), form static working stand；The axis of the core (4) and hollow shaft (24) overlaps, and is supported on sky by upper bearing (metal) (5) and lower bearing group (26) respectively In mandrel (24), it can be rotated relative to hollow shaft (24)；The end cap (7) is located at the upper top of hollow shaft (24), and its axis overlaps with the axis of hollow shaft (24) and core (4), End cap (7) is fixedly connected with hollow shaft (24), while the lower surface of end cap (7) is pressed against on the inner ring of upper bearing (metal) (5), end cap (7) sealing ring (6) is installed between core (4)；The rotor body (20) is inverted cup-like structure, and its axis of rotation overlaps with the axis of core (4), rotor body (20) top and the upper flange (4c) of core (4) are fixedly connected, and bottom and spacer flanger (4b) cooperation of core (4) are fixed , it is even on the circumference of rotor body (20) to be furnished with n vertical shaft C, wherein：N >=2, while be provided with the top of rotor body (20) With vertical shaft c quantity identicals slag passage D and aquaporin G, water jet F is located on slag passage D, vertical shaft C bottom and transverse direction Spray-hole E is connected, and spray-hole E axis is vertical with the circumferential RADIALs of vertical shaft C；The upper platen (14) is located at the top of rotor body (20), its axis of rotation and rotor body (20) axis of rotation weight Close, be fixedly connected with rotor body (20), the central passage of upper platen (14) forms slag with the upper surface of rotor body (20) Chamber A；The hopper (13) is located at the top of upper platen (14), is supported on static upper lid (10), its geometrical axis and upper lid (10) axis overlaps, and the central throat tube skewer of hopper (13) enters in the central passage of upper platen (14)；The annular seating (16) is located at rotor body (20) vertical shaft C upper end, is fixedly connected with rotor body (20), its geometry Axis overlaps with the axis of rotation of rotor body (20), and the circumference of annular seating (16) is provided with mounting hole corresponding with vertical shaft C, Gu The described pelletizer (17) of Dingan County's dress, the endoporus of annular seating (16) form circular conical surface with the periphery of upper platen (14) and coordinated；The upper seal ring (8) and lower seal ring (21) they are all loop configuration, and their axis overlaps with rotor body (20) axis, on Seal ring (8) is fixedly connected with upper lid (10) and keeps slidably contacting with the end face of annular seating (16)；Lower seal ring (21) and support (1) it is fixedly connected and keeps slidably contacting with the lower surface of rotor body (20)；It is described collection slag plate (20a) be fixed on rotor body (20) bottom it is cylindrical on, along the circle of rotor body (20) rotation direction Zhou Shang, positioned at spray-hole E front；Described dynamic bevel gear (22a) is located at the bottom of support (1), engages to form deceleration transmission with bevel gear wheel (4a), starts Device (22) has given dynamic bevel gear (22a) to provide the starting that power realizes this engine；The output bevel gear wheel (28a) with rise dynamic bevel gear (22a) axis be generally aligned in the same plane in, also with bevel gear wheel (4a) Engagement forms step-up drive, generating set (28) work of the drive installation on the downside of support.
- 2. a kind of blast furnace slag granulation engine as claimed in claim 1, it is characterised in that described support (1) is drum-shaped Structure, drum top excircle are provided with bustle pipe (1a), and the accumulation regions of slag particle (3) are located at the middle and lower part of support (1), in the aggregation Scum hole is set on area's drum wall, and deslagging device (27) is arranged on the outside of the drum of corresponding scum hole, and slag particle (3) accumulation regions are located at Collect the lower section of slag plate (20a), be circumferentially a fan section, the accumulation regions bottom of slag particle (3) is fixedly connected with support (1) Filter screen (2).
- 3. a kind of blast furnace slag granulation engine as claimed in claim 1, it is characterised in that described core (4) is axial symmetry Structural member, top are provided with upper flange (4c), and middle part is provided with spacer flanger (4b), and bottom is provided with bevel gear wheel (4a), top method The external cylindrical surface and endoporus of blue (4c), the external cylindrical surface of spacer flanger (4b), bevel gear wheel (4a) and endoporus axis coaxle and Perpendicular to upper flange (4c) upper surface.
- 4. a kind of blast furnace slag granulation engine as claimed in claim 1, it is characterised in that the pelletizer (17) includes straight-tooth Take turns (17a), impeller (17c), screw shaft (17d) and bearing (17b), the top optical axis of screw shaft (17d) is fixedly connected spur gear (17a), the upper and lower both sides of spur gear (17a) set bearing supporting screw axle (17d) on bearing (17b), the screw rod below bearing Be fixedly connected impeller (17c) on axle, and the screw portion and impeller (17c) of screw shaft (17d) insert in vertical shaft C and keep three Axis overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175563.3U CN206624889U (en) | 2017-02-27 | 2017-02-27 | A kind of blast furnace slag granulation engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175563.3U CN206624889U (en) | 2017-02-27 | 2017-02-27 | A kind of blast furnace slag granulation engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206624889U true CN206624889U (en) | 2017-11-10 |
Family
ID=60210678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175563.3U Withdrawn - After Issue CN206624889U (en) | 2017-02-27 | 2017-02-27 | A kind of blast furnace slag granulation engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206624889U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636501A (en) * | 2017-02-27 | 2017-05-10 | 安徽工业大学 | Blast furnace slag granulation engine |
| CN108048607A (en) * | 2017-12-22 | 2018-05-18 | 安徽工业大学 | A kind of slag granulating reactor |
| CN108179240A (en) * | 2018-03-21 | 2018-06-19 | 安徽工业大学 | A kind of slag secondary granulation rotor |
| CN110090488A (en) * | 2019-05-31 | 2019-08-06 | 安徽中巨机电设备有限公司 | A kind of separating device for water with dregs |
-
2017
- 2017-02-27 CN CN201720175563.3U patent/CN206624889U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636501A (en) * | 2017-02-27 | 2017-05-10 | 安徽工业大学 | Blast furnace slag granulation engine |
| CN106636501B (en) * | 2017-02-27 | 2019-03-05 | 安徽工业大学 | A kind of blast furnace slag granulation engine |
| CN108048607A (en) * | 2017-12-22 | 2018-05-18 | 安徽工业大学 | A kind of slag granulating reactor |
| CN108179240A (en) * | 2018-03-21 | 2018-06-19 | 安徽工业大学 | A kind of slag secondary granulation rotor |
| CN110090488A (en) * | 2019-05-31 | 2019-08-06 | 安徽中巨机电设备有限公司 | A kind of separating device for water with dregs |
| CN110090488B (en) * | 2019-05-31 | 2021-04-06 | 安徽中巨机电设备有限公司 | Slag-water separation device |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171110 Effective date of abandoning: 20190305 |
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| AV01 | Patent right actively abandoned |