CN209802921U - Device for detecting water absorption rate in preparation process of expanded slag ceramsite - Google Patents
Device for detecting water absorption rate in preparation process of expanded slag ceramsite Download PDFInfo
- Publication number
- CN209802921U CN209802921U CN201920540942.7U CN201920540942U CN209802921U CN 209802921 U CN209802921 U CN 209802921U CN 201920540942 U CN201920540942 U CN 201920540942U CN 209802921 U CN209802921 U CN 209802921U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- water
- absorption rate
- water absorption
- block
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a popped sediment haydite preparation technical field just discloses a detect water absorption rate device in preparation popped sediment haydite process, including the mount pad, the stoving groove has been seted up at the top of mount pad. This preparation inflation sediment haydite in-process detects water absorption rate device, use through the water injection pipe introduces the inside of fritter with water from the external world, pass through the through-hole again, apopore and baffle enter into the bottom of baffle and the contact of inflation sediment haydite absorbs water, the inside through-hole of baffle is less than inflation sediment haydite, prevent the inflation sediment haydite come-up, make its and water fully contact, use through the cooperation of motor and drive belt, the motor slowly drives the drive belt rotation, thereby it is inside slowly rotatory at the suction box to drive the stirring leaf, make its inflation sediment haydite inside the suction box do irregular motion, prevent that it and baffle laminating are adsorbed, make the omnidirectional of inflation sediment haydite absorb water, the even mesh of water absorption has been realized, and then the accuracy that detects has been improved, and convenient use.
Description
Technical Field
The utility model relates to a popped sediment haydite preparation technical field specifically is a detect water absorption rate device in preparation popped sediment haydite process.
Background
the expanded slag ceramsite prepared by recycling the high-titanium blast furnace slag has important utilization value, is of a porous structure, has good physical and thermodynamic properties such as sound absorption, heat insulation and heat preservation, is high in strength, and can replace broken stones, pebbles, clay shale ceramsite and the like for buildings to be further processed and produced into novel building materials such as hollow partition boards, hollow building blocks, permeable pavement bricks, light concrete, concrete products and the like.
In the process of preparing the ceramsite, the detection of the water absorption of the expanded slag by using a water absorption detection device is a critical step for ensuring the quality of the expanded slag, and the existing devices for monitoring the water absorption of the ceramsite are various in types, but have the defect that the ceramsite can not absorb water uniformly, the production progress can not be accurately controlled, so that the quality of the product is reduced, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a preparation inflation sediment haydite in-process detects water absorption rate device possesses the advantage such as even that absorbs water, and it has a lot to have solved current equipment that is used for the monitoring of haydite water absorption rate, and various kinds are various, but has unable messenger's haydite to absorb water even shortcoming, can not accurately hold the progress of production, leads to the decline of quality of product, the problem of inconvenient use.
(II) technical scheme
In order to realize the even purpose of above-mentioned absorption of water, the utility model provides a following technical scheme: a device for detecting water absorption rate in the process of preparing expanded slag ceramsite comprises an installation seat, wherein a drying groove is formed in the top of the installation seat, a heating pipe is fixedly connected to the bottom of the drying groove, a holding frame is movably connected to the top of the heating pipe and positioned in the drying groove, a holding rod is fixedly connected to the top of the holding frame, an exhaust pipe is fixedly connected to the left side of the drying groove, an exhaust fan is fixedly connected to the left side of the exhaust pipe, the bottom of the exhaust fan is fixedly connected to the installation seat, a water suction box is fixedly connected to the right side of the installation seat, clamping blocks are fixedly connected to the left side and the right side of the water suction box, clamping grooves are formed in the bottoms of the clamping blocks, clamping rings are clamped at the bottoms of the clamping blocks through the clamping grooves, spring fastening blocks are fixedly connected to the tops of the clamping rings, the water injection device comprises a cover plate, a water injection pipe, a nut cap, a round block, a water outlet hole, a connecting block, a baffle plate, a through hole, a rubber ring, a water separation tank, a fixed block, a rotary rod, a driving wheel, a transmission belt, a motor, a fixed frame and a water suction tank, wherein the top of the cover plate is fixedly connected with the water injection pipe, the top of the water injection pipe is movably connected with the nut cap, the bottom of the water injection pipe is fixedly connected with the round block, the outer side of the round block is fixedly connected with the connecting block, the bottom of the connecting block is fixedly connected with the baffle plate, the top of the baffle plate is fixedly connected with the through hole, the outer side of the baffle plate is fixedly connected with the rubber ring, the inner bottom wall of the water suction tank is fixedly connected with the water separation tank, the outside of rotary rod just is located the top fixedly connected with manger plate piece of water-proof case, the top fixedly connected with stirring leaf of rotary rod.
Preferably, the size of the drying groove is matched with the size of the placing frame, and the bottom of the holding rod penetrates through the placing frame and extends to the inside of the placing frame.
Preferably, the left side of the exhaust pipe penetrates through the mounting seat and the exhaust fan and extends to the interior of the exhaust fan.
Preferably, the size of the clamping groove is matched with the size of the clamping ring, and the size of the inner space of the clamping ring is matched with the size of the clamping block.
Preferably, the top of the spring penetrates through and extends into the cover plate, a circular groove is formed in the bottom of the cover plate, and the size of the circular groove is matched with that of the water suction box.
Preferably, the bottom of the water injection pipe penetrates through the cover plate and the round block and extends to the inside of the round block.
Preferably, the number of the water outlet holes is not less than two, the water outlet holes are the same in size, and the water outlet holes are uniformly distributed on the outer side of the round block.
(III) advantageous effects
Compared with the prior art, the utility model provides a preparation inflation sediment haydite in-process detects water absorption rate device possesses following beneficial effect:
1. This preparation inflation sediment haydite in-process detects water absorption rate device, cooperation through fixture block and snap ring is used, snap ring and fixture block lock, make apron and suction box connect, make water injection pipe and the baffle of being connected with the apron place the inside at the suction box simultaneously, use through the water injection pipe with water from the inside of external introduction round piece, pass through the through-hole again, apopore and baffle enter into the bottom of baffle and the contact of inflation sediment haydite is absorbed water, the through-hole of baffle inside is less than the inflation sediment haydite, prevent the upward floating of inflation sediment haydite, make it fully contact with water, use through the cooperation of motor and drive belt, the motor slowly drives the drive belt and rotates, thereby drive stirring leaf slowly rotates inside the suction box, make its inflation sediment haydite in the suction box do random motion, prevent it and baffle laminating absorption, make the all-round absorption of sediment haydite, the even mesh of absorbing water has been realized, thereby improving the detection accuracy and facilitating the use.
2. This preparation inflation sediment haydite in-process detects water absorption rate device uses through the cooperation of heating pipe and air exhauster, and the heat that the heating pipe produced will place the inside remaining moisture stoving evaporation of the inside inflation sediment haydite of rack, and the air that the air exhauster will have moisture is taken out, has accelerateed the evaporation of the inside moisture of inflation sediment haydite, avoids the inside moisture influence accuracy that detects of inflation sediment haydite, has realized the high purpose of practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
Fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.
In the figure: 1 mount pad, 2 stoving grooves, 3 heating pipes, 4 racks, 5 holding rods, 6 exhaust pipes, 7 air blowers, 8 suction boxes, 9 clamping blocks, 10 clamping grooves, 11 clamping rings, 12 spring fastening blocks, 13 springs, 14 cover plates, 15 water injection pipes, 16 caps, 17 round blocks, 18 water outlet holes, 19 connecting blocks, 20 partition plates, 21 through holes, 22 rubber rings, 23 water separating boxes, 24 fixing blocks, 25 rotating rods, 26 driving wheels, 27 driving belts, 28 motors, 29 fixing frames, 30 water retaining blocks and 31 stirring blades.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a device for detecting water absorption rate in the process of preparing expanded slag ceramsite comprises a mounting seat 1, wherein a drying groove 2 is formed in the top of the mounting seat 1, the size of the drying groove 2 is matched with that of a placing frame 4, a heating pipe 3 is fixedly connected to the bottom of the drying groove 2, the top of the heating pipe 3 and the inside of the drying groove 2 are movably connected with the placing frame 4, the top of the placing frame 4 is fixedly connected with a holding rod 5, the bottom of the holding rod 5 penetrates through and extends into the placing frame 4, the left side of the drying groove 2 is fixedly connected with an exhaust pipe 6, the left side of the exhaust pipe 6 penetrates through the mounting seat 1 and the exhaust fan 7 and extends into the exhaust fan 7, the left side of the exhaust pipe 6 is fixedly connected with an exhaust fan 7, the exhaust fan 7 can be DJT16-45B in type, the bottom of the exhaust fan 7 is fixedly connected with the, residual moisture in the puffed slag ceramsite placed in the placing rack 4 is dried and evaporated by heat generated by the heating pipe 3, air with moisture is pumped out by the exhaust fan 7, the evaporation of the moisture in the puffed slag ceramsite is accelerated, the moisture in the puffed slag ceramsite is prevented from influencing the detection accuracy, and the purpose of high practicability is achieved, the right side of the mounting seat 1 is fixedly connected with a water suction box 8, the left side and the right side of the water suction box 8 are fixedly connected with clamping blocks 9, the bottom of each clamping block 9 is provided with a clamping groove 10, the bottom of each clamping block 9 is clamped with a clamping ring 11 through the clamping groove 10, the size of each clamping groove 10 is matched with the size of each clamping ring 11, the size of the inner space of each clamping ring 11 is matched with the size of each clamping block 9, the top of each clamping ring 11 is fixedly connected with a spring fastening block 12, the top of each spring fastening block 12 is fixedly connected with a spring 13, the top, the circular groove is formed in the bottom of the cover plate 14, the size of the circular groove is matched with the size of the water suction box 8, a water injection pipe 15 is fixedly connected to the top of the cover plate 14, the bottom of the water injection pipe 15 penetrates through the cover plate 14 and the circular block 17 and extends into the circular block 17, a cover cap 16 is movably connected to the top of the water injection pipe 15, the circular block 17 is fixedly connected to the bottom of the water injection pipe 15, water outlet holes 18 are formed in the outer side of the circular block 17, the number of the water outlet holes 18 is not less than two, the water outlet holes 18 are uniformly distributed in the outer side of the circular block 17, a connecting block 19 is fixedly connected to the bottom of the circular block 17, a partition plate 20 is fixedly connected to the bottom of the connecting block 19, a through hole 21 is formed in the top of the partition plate 20, a rubber ring 22 is fixedly connected to the outer side of the partition plate 20, the, the inner bottom wall of the water suction box 8 is fixedly connected with a water separating box 23, the left side of the inner bottom wall of the water separating box 23 is fixedly connected with a fixed block 24, the top of the fixed block 24 is movably connected with a rotating rod 25, the top of the rotating rod 25 penetrates through a driving wheel 26, the water separating box 23, a water retaining block 30 and a stirring blade 31 and extends to the inside of the stirring blade 31, the outer side of the rotating rod 25 and the inside of the water separating box 23 are fixedly connected with a driving wheel 26, the outer side of the driving wheel 26 is movably connected with a driving belt 27, the right side of the driving belt 27 is movably connected with a motor 28, the model of the motor 28 can be GA12-N20, the direct current motor is a DC motor, the size is small and does not occupy the position, the starting torque can be automatically reduced according to the load size, the extremely large starting torque is achieved, the stirring blade 31 can slowly and, the left side of the fixed frame 29 is fixedly connected with a water suction box 8, the outer side of the rotating rod 25 is fixedly connected with a water retaining block 30 positioned at the top of the water separation box 23, the top of the rotating rod 25 is fixedly connected with a stirring blade 31, the clamping block 9 is matched with the clamping block 11 for use, the clamping block 11 is buckled with the clamping block 9, so that the cover plate 14 is connected with the water suction box 8, meanwhile, a water injection pipe 15 and a partition plate 20 which are connected with the cover plate 14 are placed in the water suction box 8, water is introduced into the round block 17 from the outside through the use of the water injection pipe 15, the water enters the bottom of the partition plate 20 through a through hole 21, a water outlet hole 18 and the partition plate 20 to be contacted with the expanded slag ceramsite for water suction, the through hole 21 in the partition plate 20 is smaller than the expanded slag ceramsite, the expanded slag ceramsite is prevented from floating upwards, so that the expanded slag ceramsite is fully contacted with the water, the, make its popped sediment haydite inside suction box 8 do irregular motion, prevent that it from adsorbing with the laminating of baffle 20, make the all-round absorption of popped sediment haydite, realized the even purpose of absorbing water, and then improved the accuracy of detection, made things convenient for the use.
When the device is used, the puffed slag ceramsite to be detected to absorb water is placed in the placing frame 4, dehydrated and dried and then placed in the water absorption box 8, the cover plate 14 is connected with the water absorption box 8 through the buckling of the clamping ring 11 and the clamping block 9, water is introduced into the water absorption box 8 through the water injection pipe 15 and contacts with the puffed slag ceramsite, and when the water overflows through the round block 17, the motor 28 is started to slowly drive the stirring blades 31 to rotate, so that the puffed slag ceramsite absorbs water more uniformly.
In conclusion, the device for detecting the water absorption rate in the process of preparing the expanded slag ceramsite is characterized in that the clamping block 9 is matched with the clamping ring 11, the clamping ring 11 is buckled with the clamping block 9, the cover plate 14 is connected with the water suction box 8, the water injection pipe 15 connected with the cover plate 14 and the partition plate 20 are placed in the water suction box 8, water is introduced into the round block 17 from the outside through the water injection pipe 15, and then enters the bottom of the partition plate 20 through the through hole 21, the water outlet hole 18 and the partition plate 20 to be contacted with the expanded slag ceramsite for water suction, the through hole 21 in the partition plate 20 is smaller than the expanded slag ceramsite, the expanded slag ceramsite is prevented from floating upwards, the expanded slag ceramsite is fully contacted with the water, the motor 28 is matched with the driving belt 27 to be used, the motor 28 slowly drives the stirring blade 31 to slowly rotate in the water suction box 8, so that the expanded slag ceramsite in the water suction box 8 does irregular, prevent that it from adsorbing with the laminating of baffle 20, make the all-round absorption of popped sediment haydite, realized the even purpose of absorbing water, and then improved the accuracy of detection, made things convenient for the use.
And, through the cooperation use of heating pipe 3 and air exhauster 7, the inside remaining moisture stoving evaporation of the inside popped sediment haydite of rack 4 will be placed to the heat that heating pipe 3 produced, air exhauster 7 will have moisture takes out, the evaporation of the inside moisture of popped sediment haydite has been accelerated, avoid the inside moisture of popped sediment haydite to influence the accuracy that detects, the purpose that the practicality is high has been realized, but the current haydite product has been solved and the device that detects that does not carry out the water absorption rate at the in-process of production, can not accurately hold the progress of production, lead to the quality decline of product, the problem of inconvenient use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. the utility model provides a detect water absorption rate device in preparation inflation sediment haydite process, includes mount pad (1), its characterized in that: the drying device is characterized in that a drying groove (2) is formed in the top of the mounting seat (1), a heating pipe (3) is fixedly connected to the bottom of the drying groove (2), a placing frame (4) is movably connected to the top of the heating pipe (3) and is located inside the drying groove (2), a holding rod (5) is fixedly connected to the top of the placing frame (4), an exhaust pipe (6) is fixedly connected to the left side of the drying groove (2), an exhaust fan (7) is fixedly connected to the left side of the exhaust pipe (6), the mounting seat (1) is fixedly connected to the bottom of the exhaust fan (7), a water suction box (8) is fixedly connected to the right side of the mounting seat (1), clamping blocks (9) are fixedly connected to the left side and the right side of the water suction box (8), clamping grooves (10) are formed in the bottoms of the clamping blocks (9), and clamping rings (11), the water-absorbing box is characterized in that a spring fastening block (12) is fixedly connected to the top of the snap ring (11), a spring (13) is fixedly connected to the top of the spring fastening block (12), a cover plate (14) is fixedly connected to the top of the spring (13), a water injection pipe (15) is fixedly connected to the top of the cover plate (14), a cap (16) is movably connected to the top of the water injection pipe (15), a round block (17) is fixedly connected to the bottom of the water injection pipe (15), a water outlet hole (18) is formed in the outer side of the round block (17), a connecting block (19) is fixedly connected to the bottom of the round block (17), a partition plate (20) is fixedly connected to the bottom of the connecting block (19), a through hole (21) is formed in the top of the partition plate (20), a rubber ring (22) is fixedly connected to the outer side of the partition plate (20, separate left side fixedly connected with fixed block (24) of diapire in water tank (23), the top swing joint of fixed block (24) has rotary rod (25), the outside of rotary rod (25) just is located inside fixedly connected with drive wheel (26) of water tank (23), the outside swing joint of drive wheel (26) has drive belt (27), the right side swing joint of drive belt (27) has motor (28), the outside fixedly connected with mount (29) of motor (28), the left side fixedly connected with of mount (29) absorbs water case (8), the outside of rotary rod (25) just is located the top fixedly connected with manger plate piece (30) of water tank (23), the top fixedly connected with stirring leaf (31) of rotary rod (25).
2. The device for detecting water absorption rate in the process of preparing the expanded slag ceramsite according to claim 1, is characterized in that: the size of the drying groove (2) is matched with that of the placing frame (4), and the bottom of the holding rod (5) penetrates through and extends into the placing frame (4).
3. The device for detecting water absorption rate in the process of preparing the expanded slag ceramsite according to claim 1, is characterized in that: the left side of the exhaust pipe (6) penetrates through the mounting seat (1) and the exhaust fan (7) and extends to the interior of the exhaust fan (7).
4. The device for detecting water absorption rate in the process of preparing the expanded slag ceramsite according to claim 1, is characterized in that: the size of draw-in groove (10) and the size looks adaptation of snap ring (11), the size of snap ring (11) inner space and the size looks adaptation of fixture block (9).
5. The device for detecting water absorption rate in the process of preparing the expanded slag ceramsite according to claim 1, is characterized in that: the top of the spring (13) penetrates through and extends into the cover plate (14), a circular groove is formed in the bottom of the cover plate (14), and the size of the circular groove is matched with that of the water suction box (8).
6. the device for detecting water absorption rate in the process of preparing the expanded slag ceramsite according to claim 1, is characterized in that: the bottom of the water injection pipe (15) penetrates through the cover plate (14) and the round block (17) and extends to the inside of the round block (17).
7. The device for detecting water absorption rate in the process of preparing the expanded slag ceramsite according to claim 1, is characterized in that: the number of the water outlet holes (18) is not less than two, the water outlet holes are the same in size, and the water outlet holes (18) are evenly distributed on the outer side of the round block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540942.7U CN209802921U (en) | 2019-04-19 | 2019-04-19 | Device for detecting water absorption rate in preparation process of expanded slag ceramsite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540942.7U CN209802921U (en) | 2019-04-19 | 2019-04-19 | Device for detecting water absorption rate in preparation process of expanded slag ceramsite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802921U true CN209802921U (en) | 2019-12-17 |
Family
ID=68830336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920540942.7U Expired - Fee Related CN209802921U (en) | 2019-04-19 | 2019-04-19 | Device for detecting water absorption rate in preparation process of expanded slag ceramsite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946202A (en) * | 2019-04-19 | 2019-06-28 | 四川省劲腾环保建材有限公司 | A kind of detection water absorption rate device during preparing extruding dregs porcelain granule |
-
2019
- 2019-04-19 CN CN201920540942.7U patent/CN209802921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946202A (en) * | 2019-04-19 | 2019-06-28 | 四川省劲腾环保建材有限公司 | A kind of detection water absorption rate device during preparing extruding dregs porcelain granule |
| CN109946202B (en) * | 2019-04-19 | 2024-05-10 | 四川省劲腾环保建材有限公司 | Device for detecting water absorption rate in process of preparing expanded slag ceramsite |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109946202B (en) | Device for detecting water absorption rate in process of preparing expanded slag ceramsite | |
| CN107759812A (en) | Cross-linked polymer based on waste polystyrene and preparation method and application | |
| CN209802921U (en) | Device for detecting water absorption rate in preparation process of expanded slag ceramsite | |
| CN112915969B (en) | Metal organic framework/halide composite ammonia adsorbent and preparation method thereof | |
| CN107902246A (en) | A kind of photovoltaic substrate damping conveying arrangement | |
| CN116573825A (en) | Sludge drier with dust removal structure | |
| CN104949317B (en) | Room air monitoring clarifier based on zeolite molecular sieve membrane technology | |
| JP3629743B2 (en) | Method for producing activated carbon | |
| CN210410081U (en) | Air purification equipment for ecological environment construction | |
| CN215490808U (en) | Printed circuit board drying device | |
| CN214016291U (en) | High-efficient convenient shoes production is with drying and forming machine | |
| CN114073943A (en) | Powdered activated carbon regeneration device based on airflow heating and regeneration process thereof | |
| CN220119686U (en) | Lime production raw material drying equipment | |
| CN212445922U (en) | Dehumidification device for improving quality of universal wheel raw materials | |
| CN212681639U (en) | Screening machine for tea | |
| CN212930692U (en) | Production anti-skidding dry and comfortable type drying-machine for PVC gloves | |
| CN218840204U (en) | Carpet storage machine with adjusting function | |
| CN213494937U (en) | Activated carbon wet impurity removal device | |
| CN220063600U (en) | Drying cabinet is used in content detection convenient to remove | |
| CN213913072U (en) | Electrical dehydrating unit that uses of harbour class | |
| CN212855180U (en) | Low-temperature compression heat regeneration zero-gas-consumption adsorption dryer | |
| CN214353666U (en) | Plastic product drying device | |
| CN212512375U (en) | Drying device is used in sweet tea processing of raspberry with screening function | |
| Liu et al. | Fabrication of porous polymer particles with high anion exchange capacity by amination reaction in aqueous medium | |
| CN113263658B (en) | Material drying device for rubber processing |
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: 20191217 |