CN205917575U - Old and useless pitch heating mixer of enstrophe board external fixation, heating mixing system and regeneration system - Google Patents
Old and useless pitch heating mixer of enstrophe board external fixation, heating mixing system and regeneration system Download PDFInfo
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- CN205917575U CN205917575U CN201620684872.9U CN201620684872U CN205917575U CN 205917575 U CN205917575 U CN 205917575U CN 201620684872 U CN201620684872 U CN 201620684872U CN 205917575 U CN205917575 U CN 205917575U
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- heated
- shell body
- stirred
- inner roller
- heating
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Abstract
The utility model discloses an old and useless pitch heating mixer of enstrophe board external fixation and regeneration system, including shell body, interior cylinder and motor, wherein, interior cylinder movable mounting is in the inside of shell body, just with shell body cardinal principle coaxial arrangement, be provided with the spiral baffle on the inner wall of shell body, outer shells inner wall, spiral baffle and interior cylinder outer wall constitute helical coiled passage, and helical coiled passage's both ends are provided with heating medium entry and heating medium export respectively, interior cylinder is connected with the motor, and is rotatory under the drive of motor, and the both ends that the inner tube rolled are provided with matter entrance and material export respectively, is provided with the stirring blade in the interior cylinder, carries the material to the eminence and trickles down. The utility model discloses be provided with helical coiled passage between shell body and the interior cylinder, helical coiled passage heats around interior cylinder, and the circumference of following interior cylinder carries out the even heating, has improved the homogeneity of heating, and the length that has prolonged heating channel, has effectively improved heating medium's energy use rate, has improved the heating effect.
Description
Technical field
This utility model is related to a kind of Colophonium heated and stirred machine and in particular to fixing waste asphalt heating outside a kind of interior turnover panel
Blender, regenerative system.
Background technology
The projected life of existing bituminous paving is generally 15-20, and a lot of highway of China is repaiied in having been enter into, overhaul time,
It is 10% calculating with the bituminous paving that need to reprocess every year of the whole nation, the bituminous paving that need to overhaul every year is about in more than ten thousand kilometer of 3-5, product
Raw asphalt waste reaches ten thousand tons of 1000-1500, and the recovery of asphalt waste, regeneration have to saving maintenance cost, environmental protection
Great meaning.
There are the relevant apparatus that waste asphalt is recycled, such as a kind of asphalt-regenerating stirring in prior art
Machine, during work, inner roller rotates in the presence of driving means, and new aggregate enters in inner roller from charging aperture, by burner pair
New aggregate carries out drying heating, would be heated to the discharge port from inner roller for the new aggregate of certain operating temperature by stirring blade group
It is discharged in the interlayer between inner roller and outer tube, with the old asphalt mixture in interlayer.New pitch, regenerant for waste asphalt and powder
Material etc., in the presence of paddle oar group, is sufficiently mixed, after long-time action of forced stirring, from the discharge hole for discharge of outer tube,
Generate Recycled Asphalt Pavement.
Additionally, also a kind of this asphalt regeneration stirrer is improved after asphalt-regenerating agitator, but this stirring
The effect of device is also by the mix and blend of regeneration asphalt and new pitch, and device includes internal layer cylinder and outer layer cylinder, internal layer cylinder
Two ends setting burner and reworked material charging aperture, internal layer cylinder is that reworked material and primary material are carried out heating, dry, regeneration
The mixing such as material, primary strand foam Colophonium and regenerative agent, carries out mix it is ensured that dripping in the interlayer of outer layer cylinder and internal layer cylinder
The quality of blue or green regenerating mixture.But how not open reworked material gets.
It can be seen that, existing asphalt mixing device is had plenty of and is separated Colophonium with aggregate, reclaims Colophonium, has plenty of and will reclaim
Colophonium be stirred mixing with new pitch.Massive asphalt after the not open waste asphalt to recovery carries out crushing is carried out
Heating, stirring, broken after obtain the device of reworked material.And, existing Colophonium heating and stirring device be typically all to Colophonium plus
It is passed directly into naked light or high-temperature flue gas in hot chamber, so that heating medium is directly contacted with waste asphalt, but this mode of heating is not
But the heating to Colophonium can be made uneven, and it is too high to easily lead to local temperature, cause Colophonium local at high operating temperatures
Aging, if aging bitumen recovery is utilized, the pavement performance of Recycled Asphalt Pavement can be affected, if by aging Colophonium
Abandon after carrying out separating, not only can increase operation sequence, increase cost recovery, and whole separation process is not easy to carry out, mesh
Before do not have supporting to carry out detached device to aged asphalt.
So, in order to ensure the pavement performance of regenerating waste asphalt material, adding during needs strict control heated and stirred
Hot temperature and heat time heating time, to prevent the aging of Colophonium.
Utility model content
For the deficiencies in the prior art, fix waste and old outside a purpose a kind of interior turnover panel of offer of the present utility model
Colophonium heated and stirred machine, this waste asphalt heated and stirred machine includes inner core and shell body, setting stirring blade, interior rolling in inner roller
Cylinder rotation, the material being passed through in inner roller is carried out upset heating by stirring blade, and the inwall of shell body is provided with helical duct, spiral shell
Rotation passage and the passage of the outer wall composition heating medium of inner roller, heat medium and are passed through this passage, inner roller is heated, interior
Material is kicked up by the stirring blade in cylinder, not only can improve the uniformity of material heating, it is to avoid stick to after asphalt melting
The length of the circulation path of heating medium on the inwall of inner roller, can also be extended, improve the utilization rate to heating medium heat.
Of the present utility model another object is that provides a kind of regenerating waste asphalt system, make use of above-mentioned waste and old in this system
Colophonium heated and stirred machine, after waste asphalt carried out crush, convey etc. with technique, transports this heated and stirred machine and carries out
Raw, reworked material is mixed with primary material, by series of process, obtains newborn Colophonium.
3rd purpose of the present utility model is to provide a kind of regenerating waste asphalt method, is passed through using above-mentioned regenerative system
Series of process, obtains newborn Colophonium after waste asphalt is processed.
In order to solve above technical problem, the technical solution of the utility model is:
Waste asphalt heated and stirred machine is fixed, including shell body, inner roller and motor, wherein, interior rolling outside a kind of interior turnover panel
Cylinder is movably arranged on the inside of shell body, and is substantially co-axially mounted with shell body；It is provided with helical baffle on the inwall of shell body,
Shell body inwall, helical baffle and inner roller outer wall constitute helical duct, and the two ends of helical duct are respectively arranged with heating medium
Entrance and Crude product input；Inner roller and motor connection, rotate under the drive of motor, and the two ends of inner core rolling are respectively provided with
There are material inlet and material outlet, be provided with stirring blade in inner roller, material carried and trickles down to eminence.
Preferably, the length of described heated and stirred machine is 8-12m, and the internal diameter of described shell body is 2.8-3.2m.
It is further preferred that the width of described helical duct is 0.3-0.6m.
Still more preferably, the distance between described shell body and inner roller are 230-270mm.
Preferably, described shell body is obliquely installed.
It is further preferred that material inlet is arranged at the highest position of shell body, material outlet is arranged at shell body
Its lowest position.
Preferably, described stirring blade is arcuate structure, and the width of stirring blade is 280-320mm, adjacent stirring blade
The distance between be 480-520mm.
Preferably, often row's stirring blade is axially arranged along shell body, and some row's stirring blade general uniform are distributed in interior
On the circumference of cylinder.
It is further preferred that the row of the stirring blade provided circumferentially about of described inner roller is arranged for 4-8.
Preferably, shell body is all extended at the two ends of described inner roller, and the two ends of inner roller are respectively arranged with the first ring
It is first spacing that shape flange and the second collar flange, the first collar flange and the second collar flange are fastened on shell body two ends respectively
In groove and the second stopper slot.
Preferably, the heating media flow direction in interior cartridge heater is contrary with the flow direction of material.
A kind of waste asphalt heated and stirred system, including described heated and stirred machine, burner and air-introduced machine, burner with
The inside connection of the interior cartridge heater of heated and stirred machine, air-introduced machine is connected with described heated and stirred machine.
Preferably, described burner is arranged at the material outlet end of heated and stirred machine, makes the flowing of heating medium and material
In opposite direction.
A kind of regenerating waste asphalt system, including crushing system and described heated and stirred machine, after heated and stirred machine is to crushing
Waste asphalt carry out heated and stirred.
Preferably, described crushing system includes the first breaker and the second breaker, the first breaker and second
First belt conveyor is set between breaker, and one end of the first belt conveyor is arranged on the lower end of the first breaker, another
End is arranged on the upper end of the second breaker.
It is further preferred that being provided with raw material warehouse between the first breaker and the first belt conveyor.
It is further preferred that the first cleaner unit and second is separately installed with the first breaker and the second breaker removing
Dirt device.
It is further preferred that the material outlet end of described second breaker is provided with the sieve that shakes, the lower end of the sieve that shakes is provided with
Second belt conveyor, the second belt conveyor transports material to useless asphalt blocks batch can.
Preferably, described regenerating waste asphalt system also includes new aggregate tank, and new aggregate tank is arranged side by side with useless asphalt blocks batch can
Setting.
It is further preferred that the lower section of useless asphalt blocks batch can and new aggregate tank arranges described heated and stirred machine.
Still more preferably, the lower section setting surge bunker of described heated and stirred machine, arranges compound scale below surge bunker.
Surge bunker plays a transition role, and after heated for waste asphalt blender is melted, temporary surge bunker, to following dispensing
System feed, plays the effect of stably feeding.Meanwhile, when going wrong, material in heated and stirred machine can be stored temporarily in
In surge bunker, prevent temperature drop, solidify in heated and stirred machine.
Still further preferably, described regenerating waste asphalt system also includes the new pitch being set up in parallel with compound scale
Scale, the material that blended material scale was claimed with new pitch scale enters stainless steel and mixs homogeneously.
A kind of regenerating waste asphalt method, comprises the steps:
Waste asphalt block after crushing and screening mix by setting ratio with new aggregate after in described heated and stirred machine
Heated and stirred effect lower melt, obtain mixed material, if necessary to add new pitch, then carry out mixed material and new pitch
Weighing, is stirred after mixing according to a certain ratio, obtains regeneration asphalt.
The beneficial effects of the utility model are:
This utility model adopts shell body and inner roller double-decker, leave between shell body and inner roller certain away from
From, and it is provided with helical duct, and helical duct is passed through heating medium the waste materials in inner roller are heated, one
Naked light or other heating media directly do not contacted with waste asphalt and heated by aspect, it is to avoid local temperature is too high to be caused to give up
Bituminous concrete surface is aging；On the other hand, because helical duct is heated around inner roller, the circumference along inner roller carries out uniformly adding
Heat, improves the uniformity of heating, and extends the length heating passage, effectively increases the utilization of the energy of heating medium
Rate, improves heats.
It is provided with stirring blade, material can be carried by stirring blade to be trickled down to eminence, makes material in interior rolling in inner roller
Heat under the heat effect of air within cylinder, improve the uniformity of heating；Material is sent out with stirring blade in dropping process
Raw active force, makes large granular materials be crushed further, the material particular diameter obtaining after heated and stirred is more uniform.
Brief description
Fig. 1 is the internal structure schematic diagram of the embodiment of waste asphalt heated and stirred machine of the present utility model；
Fig. 2 is the front view of the embodiment of waste asphalt heated and stirred machine of the present utility model；
Fig. 3 is the flow chart of the embodiment of regenerating waste asphalt system of the present utility model.
Wherein, 1, shell body, 2, stirring blade, 3, inner roller, 4, helical baffle, 5, charging aperture, the 6, first stopper slot, 7,
Support, 8, reinforcing plate, the 9, first cleaner unit, the 10, first breaker, 11, raw material warehouse, the 12, second breaker, 13,
Two cleaner units, 14, shake sieve, 15, useless asphalt blocks batch can, 16, new aggregate tank, 17, belt conveyer scale, 18, heated and stirred machine, 19, blower fan,
20th, surge bunker, 21, compound scale, 22, new pitch scale.
Specific embodiment
This utility model is further described it should explanation is, the description below is merely to solve in conjunction with the embodiments
Release this utility model, its content is not defined.
As depicted in figs. 1 and 2, fix waste asphalt heated and stirred machine outside a kind of interior turnover panel, including shell body 1, inner roller 3
And motor, wherein, inner roller 3 is movably arranged on the inside of shell body 1, and is substantially co-axially mounted with shell body 1；Shell body 1
Helical baffle 4 is provided with inwall, shell body 1 inwall, helical baffle 4 and inner roller 3 outer wall constitute helical duct, helical duct
Two ends be respectively arranged with heating medium inlet and Crude product input；Inner roller 3 and motor connection, in the drive backspin of motor
Turn, and the two ends of inner core rolling 3 are respectively arranged with material inlet and material outlet, are provided with stirring blade 2, by thing in inner roller 3
Material carries to be trickled down to eminence.
The length of described heated and stirred machine 18 is 8-12m, preferably 10m, and the internal diameter of described shell body 1 is 2.8-3.2m,
It is preferably 3m.The width of described helical duct is 0.3-0.6m, preferably 0.5m.Between described shell body 1 and inner roller 3 away from
From for 230-270mm, preferably 250mm.
Shell body 1 is obliquely installed, and material inlet is arranged at the highest position of shell body 1, and material outlet is arranged at shell
Its lowest position of body 1.
Described stirring blade 2 is arcuate structure, and the width of stirring blade 2 is 280-320mm, preferably 300mm, adjacent turns over
The distance between material blade 2 is 480-520mm, preferably 500mm.
Often row's stirring blade 2 is axially arranged along shell body 1, and some row's stirring blade 2 general uniform are distributed in inner roller 3
Circumference on.
The row of the stirring blade 2 provided circumferentially about of described inner roller 3 is arranged for 4-8, preferably 6 rows.
Shell body 1 is all extended at the two ends of described inner roller 3, and to be respectively arranged with the first ring-type convex at the two ends of inner roller 3
Edge and the second collar flange, the first collar flange and the second collar flange are fastened on first stopper slot 6 at shell body two ends respectively
In the second stopper slot.
Heating media flow direction in inner roller 3 is contrary with the flow direction of material.
The material of inner roller 3 is preferably 50gr.
As shown in figure 3, a kind of regenerating waste asphalt system, including crushing system and described waste asphalt heated and stirred machine
18, waste asphalt heated and stirred machine 18 carries out heated and stirred to the waste asphalt after crushing.
Preferably, described crushing system includes the first breaker 10 and the second breaker 12, the first breaker 10
With second arrange the first belt conveyor between breaker 12, one end of the first belt conveyor is arranged on the first breaker 10
Lower end, is provided with raw material warehouse 11 between the first breaker 10 and the first belt conveyor, and the other end is arranged on the second broken dress
Put 12 upper end.It is separately installed with the first cleaner unit 9 and the second cleaner unit on first breaker 10 and the second breaker 12
13.Material is transported to the first breaker 10, carries out one-level and crushes, and produces because shattering process has substantial amounts of dust, institute
To need the first cleaner unit 9 to carry out dedusting.The material crushing through one-level is temporarily stored in raw material warehouse 11, and raw material stores up
The lower ending opening in storehouse 11 is directly relative with the upper surface of the first belt conveyor, and material is directly unloaded on the first belt conveyor, and
It is transported to the upper end of the second breaker 12 by the first belt conveyor, crushed.Second breaker 12 crushes for three-level
Device, material crushes through three-level from top to bottom, and broken after diameter be gradually reduced from top to bottom, the material after crushing is from the
The lower end outlet of sledging device 12 is flowed out, and the material outlet end of the second breaker 12 is provided with the sieve 14 that shakes, and shakes under sieve 14
End is provided with the second belt conveyor, and the powdered granules such as the dust in the material after pulverizing are sifted out by the sieve 14 that shakes, the second belt conveyor
The material being sieved is transported to useless asphalt blocks batch can 15 temporarily stored.New aggregate tank 16 is set side by side with useless asphalt blocks batch can 15
Put, new aggregate tank 16 is provided with belt conveyer scale 17 with the lower section of useless asphalt blocks batch can 15, belt conveyer scale 17 weighs new aggregate and waste and old
Colophonium block, after mixing by a certain percentage, enters into and carries out heated and stirred, broken, mixing in waste asphalt heated and stirred machine 18,
Blower fan 19 is connected with heated and stirred machine 18 by pipeline, air inducing, makes heating medium enter the interior cartridge heater 3 of heated and stirred machine 18
Interior, obtain mixed material.The outlet of the heated blender of mixed material 18 is flowed out, and is temporarily stored in surge bunker 20.
The lower section setting compound scale 21 of surge bunker 20 and new pitch scale 22, compound scale 21 weighs to the compound obtaining, newly
Asphalt weigher 22 weighs to new pitch, after mixed material is mixed by a certain percentage with new pitch, obtains regeneration asphalt and mixes
Solidifying soil, regeneration asphalt is used in the engineering of reality.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not to utility model
The restriction of protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, this area
Technical staff does not need to pay the various modifications that creative work can make or deformation still in protection domain of the present utility model
Interior.
Claims (15)
1. fix waste asphalt heated and stirred machine outside a kind of interior turnover panel it is characterised in that: include shell body, inner roller and motor,
Wherein, inner roller is movably arranged on the inside of shell body, and is co-axially mounted with shell body；It is provided with spiral on the inwall of shell body
Baffle plate, shell body inwall, helical baffle and inner roller outer wall constitute helical duct, and the two ends of helical duct are respectively arranged with heating
Medium inlet and Crude product input；Inner roller and motor connection, rotate under the drive of motor, and the two ends of inner core rolling are respectively
It is provided with material inlet and material outlet, be provided with stirring blade in inner roller, material carried and trickles down to eminence.
2. heated and stirred machine according to claim 1 it is characterised in that: the length of described heated and stirred machine be 8-12m, institute
The internal diameter stating shell body is 2.8-3.2m；
Or, the width of described helical duct is 0.3-0.6m；
Or, the distance between described shell body and inner roller are 230-270mm.
3. heated and stirred machine according to claim 1 it is characterised in that: described shell body is obliquely installed.
4. heated and stirred machine according to claim 1 it is characterised in that: described stirring blade be arcuate structure, stirring leaf
The width of piece is 280-320mm, and the distance between adjacent stirring blade is 480-520mm.
5. heated and stirred machine according to claim 4 it is characterised in that: often row's stirring blade sets along the axial direction of shell body
Put, some row's stirring blades are evenly distributed on the circumference of inner roller.
6. heated and stirred machine according to claim 5 it is characterised in that: the stirring leaf provided circumferentially about of described inner roller
The row of piece is arranged for 4-8.
7. heated and stirred machine according to claim 1 it is characterised in that: shell is all extended at the two ends of described inner roller
Body, and the two ends of inner roller are respectively arranged with the first collar flange and the second collar flange, the first collar flange and the second ring-type
Flange is fastened in first stopper slot and the second stopper slot at shell body two ends respectively.
8. a kind of waste asphalt heated and stirred system it is characterised in that: include the arbitrary described heated and stirred machine of claim 1-7,
Burner and air-introduced machine, burner is connected with the inside of the interior cartridge heater of heated and stirred machine, air-introduced machine and described heated and stirred
Machine connects.
9. heated and stirred system according to claim 8 it is characterised in that: described burner is arranged at heated and stirred machine
Material outlet end, makes heating medium contrary with the flow direction of material.
10. a kind of regenerating waste asphalt system it is characterised in that: include crushing system and the arbitrary described heating of claim 1-7
Blender, heated and stirred machine carries out heated and stirred to the waste asphalt after crushing.
11. regenerating waste asphalt systems according to claim 10 it is characterised in that: described crushing system include first break
Crushing device and the second breaker, arrange the first belt conveyor, the first conveying between the first breaker and the second breaker
One end of belt is arranged on the lower end of the first breaker, and the other end is arranged on the upper end of the second breaker.
12. regenerating waste asphalt systems according to claim 11 it is characterised in that: the material of described second breaker
The port of export is provided with the sieve that shakes, and the outfan of the sieve that shakes is provided with the second belt conveyor, and the second belt conveyor transports material to useless drip
Blue or green block tank.
13. regenerating waste asphalt systems according to claim 10 it is characterised in that: also include new aggregate tank, new aggregate
Tank is set up in parallel with useless asphalt blocks batch can.
14. regenerating waste asphalt systems according to claim 13 it is characterised in that: described useless asphalt blocks batch can and new bone
The lower section of batch can arranges described heated and stirred machine.
15. regenerating waste asphalt systems according to claim 14 it is characterised in that: the lower section of described heated and stirred machine sets
Put surge bunker, compound scale is set below surge bunker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684872.9U CN205917575U (en) | 2016-06-30 | 2016-06-30 | Old and useless pitch heating mixer of enstrophe board external fixation, heating mixing system and regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684872.9U CN205917575U (en) | 2016-06-30 | 2016-06-30 | Old and useless pitch heating mixer of enstrophe board external fixation, heating mixing system and regeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205917575U true CN205917575U (en) | 2017-02-01 |
Family
ID=57874134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620684872.9U Expired - Fee Related CN205917575U (en) | 2016-06-30 | 2016-06-30 | Old and useless pitch heating mixer of enstrophe board external fixation, heating mixing system and regeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205917575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970770A (en) * | 2016-06-30 | 2016-09-28 | 山东普利龙压力容器有限公司 | Waste asphalt heating and stirring machine with internally plate-turning and externally fixing, regeneration system and method |
| CN110671906A (en) * | 2019-10-24 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Drying roller, blade mechanism and drying area blade |
| CN112023786A (en) * | 2020-08-31 | 2020-12-04 | 张会彬 | Asphalt heating forced convection device |
-
2016
- 2016-06-30 CN CN201620684872.9U patent/CN205917575U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970770A (en) * | 2016-06-30 | 2016-09-28 | 山东普利龙压力容器有限公司 | Waste asphalt heating and stirring machine with internally plate-turning and externally fixing, regeneration system and method |
| CN105970770B (en) * | 2016-06-30 | 2018-11-02 | 山东普利龙压力容器有限公司 | Fixed waste asphalt heating stirring machine, regenerative system and method outside a kind of interior turnover panel |
| CN110671906A (en) * | 2019-10-24 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Drying roller, blade mechanism and drying area blade |
| CN110671906B (en) * | 2019-10-24 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | Drying roller, blade mechanism and drying zone blade |
| CN112023786A (en) * | 2020-08-31 | 2020-12-04 | 张会彬 | Asphalt heating forced convection device |
| CN112023786B (en) * | 2020-08-31 | 2022-04-15 | 临沂市玉泉沥青有限公司 | Asphalt heating forced convection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Old and useless pitch heating mixer of enstrophe board external fixation, heating mixing system and regeneration system Effective date of registration: 20171205 Granted publication date: 20170201 Pledgee: Qilu bank Limited by Share Ltd Ji'nan New Material Industrial Park Branch Pledgor: Shandong Pulilong Pressure Vessel Co., Ltd. Registration number: 2017370000184 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20190630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210514 Granted publication date: 20170201 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan New Material Industrial Park Branch Pledgor: SHANDONG PULILONG PRESSURE VESSEL Co.,Ltd. Registration number: 2017370000184 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |