CN208700736U - Waste water waste pulp recycling device during a kind of concrete production - Google Patents
Waste water waste pulp recycling device during a kind of concrete production Download PDFInfo
- Publication number
- CN208700736U CN208700736U CN201821115082.4U CN201821115082U CN208700736U CN 208700736 U CN208700736 U CN 208700736U CN 201821115082 U CN201821115082 U CN 201821115082U CN 208700736 U CN208700736 U CN 208700736U
- Authority
- CN
- China
- Prior art keywords
- stencil sheet
- waste pulp
- screen stencil
- waste
- classification
- 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.)
- Active
Links
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model discloses waste water waste pulp recycling devices during a kind of concrete production, including the rinse-system for rinsing tank car, sedimentation basin for waste pulp precipitating, the waste pulp collecting pit for being connect by connecting tube with sedimentation basin and being collected for waste pulp, it further include the separation bin positioned at the feeding warehouse of tank car discharge port bottom and positioned at feeding warehouse bottom, the filtering separation device for sieving the aggregate in waste water waste pulp is equipped with inside the separation bin, the first agitating device and the second agitating device of stirring waste pulp are respectively provided in sedimentation basin and waste pulp collecting pit, the top of waste pulp collecting pit is equipped with the conveying device for conveying waste pulp, the utility model structure is simple, it is easy to operate, first classification sieve, second classification sieve and third classification sieve and its corresponding vibrator carry out vibration operation, be conducive to aggregate to screen out, Multiple pneumatic diaphragm pumps are set, waste pulp are used for multiple links such as tank car rinses, aggregate screens out, waste pulp are applied, realizes that waste pulp recycle.
Description
Technical field
The utility model belongs to concrete production field, and in particular to waste water waste pulp recycle during a kind of concrete production
Utilize device.
Background technique
In the environment of urbanization great development, resource-conserving, the exploitation of environmentally friendly product and application are more next
It is more universal.Concrete mixing plant is in core status in premixed concrete industry, carries building engineering, infrastructure
The supply important task of construction project commerical ready-mixed concrete.Concrete tank returns to stirring after pouring concrete delivery to building site
It after standing, needs into tank plus water develops concrete remaining in tank, carry out sandstone separating treatment, can generate a large amount of useless
Water waste pulp, these waste water waste pulp are difficult to handle: first, direct outlet violates environmental regulation, pollute environment, second, if collect into
Row precipitation process can occupy large area place and substantial contribution, therefore the processing of waste water waste pulp has become puzzlement mixing plant fortune
The a great problem of battalion.
At this stage in most of concrete mixing plant there is no one may be implemented to waste water waste pulp recycling and reusing at
Ripe system, part mixing plant are separated sandstone for future use using sand-stone separator, but cement, flyash in waste pulp
It is not utilized effectively etc. effective gradation composition, whole outlets cause the serious wasting of resources and environmental pollution, such as publication number
For CN206535246U, publication date is a kind of concrete mixing station production Sewage treatment disclosed in the Chinese patent of 2017.10.03
Using device, which passes through water system, cleaning system, waste water transportation system, oily water separating equipment, settling system, recycling
All kinds of waste water in blending station are carried out categorised collection processing and classification recycle, by water-oil separating and precipitating by system etc.
After system processing, clear water and all types of classification of waste are recycled, but the system is to do careful screening to solid waste,
To the no quantization index of waste pulp as its recycle technical support, for waste water waste pulp using rear concrete performance indicator not
It is quantitatively described.
Summary of the invention
It, being capable of careful sizing screening coarse aggregate and fine aggregate and amount the purpose of the utility model is to provide a kind of structure is simple
Change waste pulp concentration dynamic adjustment waste water waste pulp utilization and corrects waste water during the concrete production of waste water waste pulp treatment process
Waste pulp recycling device.
Purpose of the utility model is realized as follows:
Waste water waste pulp recycling device during a kind of concrete production, including for rinsing tank car rinse-system,
The waste pulp collecting pit of waste pulp collection is connect and be used for sedimentation basin for the sedimentation basin of waste pulp precipitating, by connecting tube, further includes
Separation bin positioned at the feeding warehouse of tank car discharge port bottom and positioned at feeding warehouse bottom, the separation bin inside are equipped with for that will give up
Stirring waste pulp are respectively provided in the filtering separation device that aggregate in water waste pulp is sieved, sedimentation basin and waste pulp collecting pit
The first agitating device and the second agitating device, the top of waste pulp collecting pit is equipped with the conveying device for conveying waste pulp.
The filtering separation device includes being arranged inside separation bin and to be from top to bottom followed successively by the first classification screen stencil sheet, the
Two classification screen stencil sheets and third are classified screen stencil sheet, and the first classification screen stencil sheet, the second classification screen stencil sheet and third are classified sieve
Piece is flexibly connected with separation bin, it is described first classification screen stencil sheet, second classification screen stencil sheet and third classification screen stencil sheet with separate
The tilt angle of storehouse inner wall is 65 ~ 75 °, and the first classification screen stencil sheet, the second classification screen stencil sheet and third classification screen stencil sheet are mutually flat
It goes, the spacing between the first classification screen stencil sheet and the second classification screen stencil sheet is classified screen stencil sheet with the second classification screen stencil sheet and third
Spacing is equal.
The filtering separation device further includes being located at the first classification screen stencil sheet, the second classification screen stencil sheet and third classification
The first screen stencil sheet vibrator, the second screen stencil sheet vibrator and third screen stencil sheet vibrator on screen stencil sheet, on the separation bin point
Not She You aggregate discharge first outlet, second outlet and third for that will sieve export, the first outlet, second outlet and
Third outlet is located at separation bin and the first classification screen stencil sheet, the second classification screen stencil sheet and third classification lower one end of screen stencil sheet
Junction, the lower section of the first outlet, second outlet and third outlet is equipped with the first travelling belt for transporting aggregate
Machine, the second equipment of conveyer and third equipment of conveyer.
First agitating device includes the first agitating paddle being located in sedimentation basin, the second agitating paddle and is used to control first
The first rate controller of agitating paddle and the second agitating paddle, second agitating device include the third in waste pulp collecting pit
Agitating paddle, the 4th agitating paddle and the second rate controller for controlling third agitating paddle and the 4th agitating paddle.
The rinse-system includes the first pneumatic diaphragm pump for drawing water and the clear water water inlet for filling the water into tank car
Pipe.
The conveying device includes for waste pulp to be extracted out to the second pneumatic diaphragm pump of the first classifying screen fragment of cleaning, are used for
It extracts waste pulp the third pneumatic diaphragm pump of the second classifying screen fragment of cleaning out, be used to extracting waste pulp into cleaning third classifying screen fragment out
The 4th pneumatic diaphragm pump, further include the 5th pneumatic diaphragm pump for waste pulp to be evacuated to weighing balance.
It is equipped with slurry concentration in the waste pulp collecting pit and quickly measures digital display instrument, the precipitating bottom of pond portion is equipped with slag-drip opening.
The beneficial effects of the utility model are: the utility model structure is simple, easy to operate, the feeding warehouse and separation bin
Using outer conjunction internal separated type warehouse, sizing screening, the first classification sieve, the second classification sieve are completed under the effect of gravity convenient for waste material
Sieve is classified with third and its corresponding vibrator carries out vibration operation, is conducive to aggregate and is screened out, sedimentation basin and waste pulp collecting pit
It is interior, it is provided with stirring rate controller in stirring slurry, stirring rate can be adjusted according to slurry concentration and concrete performance index,
Slurry concentration quickly measures digital display instrument, can real-time display waste pulp concentration, convenient for the setting of stirring rate and the behaviour of metered amount
Make, multiple pneumatic diaphragm pumps are set by waste pulp and are used for multiple links such as tank car rinses, aggregate screens out, waste pulp are applied, realize waste pulp
It recycles.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: feeding warehouse 1, separation bin 2, the first classification screen stencil sheet 3, the second classification screen stencil sheet 4, third are classified screen stencil sheet 5,
First screen stencil sheet vibrator 6, the second screen stencil sheet vibrator 7, third screen stencil sheet vibrator 8, the first equipment of conveyer 9, the second fortune
Defeated belt feeder 10, third equipment of conveyer 11, sedimentation basin 12, slag-drip opening 13, the first agitating paddle 14, the second agitating paddle 15, first
Pneumatic diaphragm pump 16, the second pneumatic diaphragm pump 17, third pneumatic diaphragm pump 18, the 4th pneumatic diaphragm pump 19, the 5th pneumatic diaphragm
Pump 20, slurry concentration quickly measures digital display instrument 21, the second rate controller 22, first rate controller 23, weighing balance 24, clear water
Water inlet pipe 25, waste pulp collecting pit 26, third agitating paddle 27, the 4th agitating paddle 28, connecting tube 29.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figure 1, waste water waste pulp recycling device during a kind of concrete production, including for rinsing tank car
Rinse-system connect and collects for waste pulp useless with sedimentation basin 12 for the sedimentation basin 12 of waste pulp precipitating, by connecting tube 29
Collecting pit 26 is starched, the rinse-system includes the first pneumatic diaphragm pump 16 for drawing water and the clear water for filling the water into tank car
Water inlet pipe 25 further includes the separation bin 2 positioned at the feeding warehouse 1 of tank car discharge port bottom and positioned at 1 bottom of feeding warehouse, feeding warehouse 1
It is designed with separation bin 2 using outer and inner fraction warehouse, completes sizing screening under the effect of gravity convenient for waste material；The separation bin 2
Inside is equipped with the filtering separation device for sieving the aggregate in waste water waste pulp, is convenient for aggregate screening, sedimentation basin 12
With the first agitating device and the second agitating device for being respectively provided with stirring waste pulp in waste pulp collecting pit 26, the waste pulp are collected
It is equipped with slurry concentration in pond 26 and quickly measures digital display instrument 21,12 bottom of sedimentation basin is equipped with slag-drip opening 13, is convenient for sedimentation basin
The solid slag of 12 bottoms is discharged, and the top of waste pulp collecting pit 26 is equipped with the conveying device for conveying waste pulp.
The filtering separation device include setting in the inside of separation bin 2 and be from top to bottom followed successively by the first classification screen stencil sheet 3,
Second classification screen stencil sheet 4 and third are classified screen stencil sheet 5, and the first classification screen stencil sheet 3, second is classified screen stencil sheet 4 and third point
Grade screen stencil sheet 5 is connect with 2 hinge of separation bin, and the first classification screen stencil sheet 3, second is classified screen stencil sheet 4 and third classifying screen
Mesh sheet 5 and the tilt angle of 2 inner wall of separation bin are 70 °, and the first classification screen stencil sheet 4, second is classified screen stencil sheet 5 and third classification
Screen stencil sheet 6 is parallel to each other, first classification screen stencil sheet 4 and second classification screen stencil sheet 5 between spacing with second classification screen stencil sheet 5 and
The spacing that third is classified screen stencil sheet 6 is equal, is 50mm, the filtering separation device further includes being located at the first classification screen stencil sheet
3, the second classification screen stencil sheet 4 and the first screen stencil sheet vibrator 6, the second screen stencil sheet vibrator 7 and the on third classification screen stencil sheet 5
Three screen stencil sheet vibrators 8, the first screen stencil sheet vibrator 6, the second screen stencil sheet vibrator 7 and third screen stencil sheet vibrator 8 are K system
Pneumatic ball-type vibrator, model K-10 are arranged, frequency is 28100 turns/min, is respectively provided with and will sieve on the separation bin 2
Aggregate discharge first outlet, second outlet and third outlet, the first outlet, second outlet and third outlet be located at
Separation bin 2 and the first classification screen stencil sheet 3, second are classified the junction of screen stencil sheet 4 and third classification lower one end of screen stencil sheet 5, institute
It is transported equipped with the first equipment of conveyer 9, second for transporting aggregate the lower section for stating first outlet, second outlet and third outlet
Belt feeder 10 and third equipment of conveyer 11.
First agitating device includes the first agitating paddle 14 in the sedimentation basin 12, the second agitating paddle 15 and for controlling
The first rate controller 23 of the first agitating paddle 14 and the second agitating paddle 15 is made, second agitating device includes being located at waste pulp to receive
Third agitating paddle 27, the 4th agitating paddle 28 in collection pond 26 and second for controlling third agitating paddle 27 and the 4th agitating paddle 28
Rate controller 22, first rate controller 23 and the second rate controller 22 are that JDSA-40-A0 series pointer indicates electromagnetism tune
Speed motor controller.
The conveying device include for by waste pulp extract out cleaning the first classifying screen fragment 3 the second pneumatic diaphragm pump 17,
For waste pulp to be extracted out to the third pneumatic diaphragm pump 18 of the second classifying screen fragment 4 of cleaning, are used to extracting waste pulp into cleaning third point out
4th pneumatic diaphragm pump 19 of grade screening piece 5, further includes the 5th pneumatic diaphragm pump 20 for waste pulp to be evacuated to weighing balance 24, just
In recycling for waste pulp, economize on resources.
When practical operation, start the first pneumatic diaphragm pump 16, clear water passes through clear water water inlet pipe 25, by injection tank car, tank car
Waste water waste pulp are discharged into feeding warehouse 1 together with part coarse-fine aggregate by reversion together, and waste water waste pulp are together with coarse-fine aggregate in gravity
It is lower to enter separation bin 2, the first classification screen stencil sheet 3 that Mesh Diameter is 20mm is first passed through, does not pass through the thick of the first classification screen stencil sheet 3
Aggregate is slipped to the first travelling belt in the inclined first classification screen stencil sheet 3 of effect of vibration lower edge of the first screen stencil sheet vibrator 6
By Belt Conveying to corresponding feed bin on machine 9, net is fallen to through sieve by the waste water waste pulp and aggregate of the first classification screen stencil sheet 3
The second classification screen stencil sheet 4 that lattice diameter is 5mm, second is classified vibration of the coarse aggregate in the second screen stencil sheet vibrator 7 of screen stencil sheet 4
The inclined second classification screen stencil sheet 4 of effect lower edge is slipped on the second equipment of conveyer 10 by Belt Conveying to corresponding feed bin, is led to
The waste water waste pulp and aggregate for crossing the second classification screen stencil sheet 4 fall to the third that Mesh Diameter is 2.5mm through sieve and are classified sieve
Piece 5 is not classified effect of vibration lower edge inclined third of the coarse aggregate in third screen stencil sheet vibrator 11 of screen stencil sheet 5 by third
Classification screen stencil sheet 5 is slipped on third screen stencil sheet vibrator 11 by Belt Conveying to corresponding feed bin, is classified screen stencil sheet 5 by third
Waste water waste pulp enter sedimentation basin 12, slag-drip opening 13 is arranged in 12 bottom of sedimentation basin, can periodically the waste residue to 12 bottom of sedimentation basin carry out
Cleaning, first stirring slurry 14 of the interior setting of sedimentation basin 12, the second stirring slurry 15 and first rate controller 23, can be according to quality index
Stirring slurry rate is set to control sediment rate, unprecipitated waste pulp enter waste pulp collecting pit by connecting tube 29 in sedimentation basin 12
26, the interior setting third stirring slurry 27 of waste pulp collecting pit 26, third stirring slurry 28 and slurry concentration quickly measure digital display instrument 21, movably
State monitoring slurry concentration simultaneously stirs the adjustment of rate controller 22 third stirring slurry 27, the stirring speed of third stirring slurry 28 by second
Rate, the second pneumatic diaphragm pump 17 of interior setting of waste pulp collecting pit 26, which can smoke waste pulp, is used to rinse the first classification screen stencil sheet 3 with benefit
It is screened out in aggregate, setting third pneumatic diaphragm pump 18, which can smoke waste pulp, in waste pulp collecting pit 26 is used to rinse the second classification sieve
Piece 4 screens out in favor of aggregate, and the 4th pneumatic diaphragm pump 19 of setting, which can smoke waste pulp, in waste pulp collecting pit 26 is used to rinse third
Classification screen stencil sheet 5 screens out in favor of aggregate, and waste pulp can be evacuated to metering by the 5th pneumatic diaphragm pump 20 of setting in waste pulp collecting pit 26
Claim to be weighed on 24 in concrete production stirring.
The utility model structure is simple, easy to operate, and the feeding warehouse and separation bin use outer conjunction internal separated type warehouse, is convenient for
Waste material completes sizing screening, the first classification sieve, the second classification sieve and third classification sieve and its correspondence under the effect of gravity
Vibrator carry out vibration operation, be conducive to aggregate and screen out, stirring is provided in sedimentation basin and waste pulp collecting pit, in stirring slurry
Rate controller can adjust stirring rate according to slurry concentration and concrete performance index, and slurry concentration quickly measures digital display instrument,
Can real-time display waste pulp concentration, convenient for the setting of stirring rate and the operation of metered amount, multiple pneumatic diaphragm pumps are arranged will
Multiple links such as waste pulp are rinsed for tank car, aggregate screens out, waste pulp are applied realize that waste pulp recycle.
Claims (7)
1. waste water waste pulp recycling device during a kind of concrete production, including the rinse-system for rinsing tank car, use
In the sedimentation basin of waste pulp precipitating, by connecting tube connect with sedimentation basin and is used for the waste pulp collecting pit of waste pulp collection, feature exists
In: further include the separation bin positioned at the feeding warehouse of tank car discharge port bottom and positioned at feeding warehouse bottom, is set inside the separation bin
There is the filtering separation device for sieving the aggregate in waste water waste pulp, is respectively equipped with use in sedimentation basin and waste pulp collecting pit
In the first agitating device and the second agitating device of stirring waste pulp, the top of waste pulp collecting pit is equipped with defeated for conveying waste pulp
Send device.
2. waste water waste pulp recycling device during concrete production according to claim 1, it is characterised in that: described
Filtering separation device includes being arranged inside separation bin and being from top to bottom followed successively by the first classification screen stencil sheet, the second classification screen stencil sheet
It is classified screen stencil sheet with third, the first classification screen stencil sheet, the second classification screen stencil sheet and third classification screen stencil sheet are and separation bin
It is flexibly connected, the first classification screen stencil sheet, the second classification screen stencil sheet and third classification screen stencil sheet incline with separation bin inner wall
Rake angle is 65 ~ 75 °, and the first classification screen stencil sheet, the second classification screen stencil sheet and third classification screen stencil sheet are parallel to each other, the first classification
Spacing between screen stencil sheet and the second classification screen stencil sheet is equal with the second classification screen stencil sheet and the third classification spacing of screen stencil sheet.
3. waste water waste pulp recycling device during concrete production according to claim 1 or 2, it is characterised in that:
The filtering separation device further includes being located on the first classification screen stencil sheet, the second classification screen stencil sheet and third classification screen stencil sheet
The first screen stencil sheet vibrator, the second screen stencil sheet vibrator and third screen stencil sheet vibrator, be respectively equipped with use on the separation bin
In aggregate discharge first outlet, second outlet and the third outlet that will sieve, the first outlet, second outlet and third outlet
It is located at the connection of separation bin and the first classification screen stencil sheet, the second classification screen stencil sheet and third classification lower one end of screen stencil sheet
Place, the first outlet, second outlet and third outlet lower section be equipped with for transport aggregate the first equipment of conveyer, second
Equipment of conveyer and third equipment of conveyer.
4. waste water waste pulp recycling device during concrete production according to claim 1, it is characterised in that: described
First agitating device includes the first agitating paddle being located in sedimentation basin, the second agitating paddle and is used to control the first agitating paddle and second
The first rate controller of agitating paddle, second agitating device include the third agitating paddle being located in waste pulp collecting pit, the 4th
Agitating paddle and the second rate controller for controlling third agitating paddle and the 4th agitating paddle.
5. waste water waste pulp recycling device during concrete production according to claim 1, it is characterised in that: described
Rinse-system includes the first pneumatic diaphragm pump for drawing water and the clear water water inlet pipe for filling the water into tank car.
6. waste water waste pulp recycling device during concrete production according to claim 1, it is characterised in that: described
Conveying device includes clear for waste pulp to be extracted out to the second pneumatic diaphragm pump of the first classifying screen fragment of cleaning, are used to extract out waste pulp
Wash the second classifying screen fragment third pneumatic diaphragm pump, for by waste pulp extract out cleaning third classifying screen fragment the 4th pneumatically every
Membrane pump further includes the 5th pneumatic diaphragm pump for waste pulp to be evacuated to weighing balance.
7. waste water waste pulp recycling device during concrete production according to claim 1, it is characterised in that: described
It is equipped with slurry concentration in waste pulp collecting pit and quickly measures digital display instrument, the precipitating bottom of pond portion is equipped with slag-drip opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115082.4U CN208700736U (en) | 2018-07-15 | 2018-07-15 | Waste water waste pulp recycling device during a kind of concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115082.4U CN208700736U (en) | 2018-07-15 | 2018-07-15 | Waste water waste pulp recycling device during a kind of concrete production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208700736U true CN208700736U (en) | 2019-04-05 |
Family
ID=65938720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821115082.4U Active CN208700736U (en) | 2018-07-15 | 2018-07-15 | Waste water waste pulp recycling device during a kind of concrete production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208700736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439257A (en) * | 2020-11-27 | 2021-03-05 | 湖南铁榔头机械有限公司 | Concrete sewage mud recycling method |
-
2018
- 2018-07-15 CN CN201821115082.4U patent/CN208700736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439257A (en) * | 2020-11-27 | 2021-03-05 | 湖南铁榔头机械有限公司 | Concrete sewage mud recycling method |
| CN112439257B (en) * | 2020-11-27 | 2023-08-01 | 湖南铁榔头机械有限公司 | Concrete sewage mud recycling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104788033B (en) | A kind of building waste recovery and reusing and recycling method | |
| CN209005920U (en) | A kind of cracking and sorting processing system of building waste | |
| CN100457281C (en) | Raw coal sorting process | |
| CN104860561A (en) | Construction waste recycling brick manufacturing system | |
| CN105479602A (en) | Improved concrete cement slurry recycling system | |
| CN103567209A (en) | Resourceful treatment system and resourceful treatment method for decoration construction waste | |
| CN102847703A (en) | Method for producing clean recycled soil and recycled aggregate by using construction waste | |
| JP2022509901A (en) | Systems and methods for cleaning and grading particulate matter | |
| CN212524526U (en) | Engineering spoil tail slurry water environmental protection processing system | |
| CN109290045B (en) | Device and method for pulping by using gold tailing waste residues | |
| CN208869512U (en) | Concrete recycle cyclic utilization system | |
| CN208700736U (en) | Waste water waste pulp recycling device during a kind of concrete production | |
| CN204953076U (en) | Calcium carbonate washup is with double -deck vibration feeder device | |
| CN207723049U (en) | A kind of discarded concrete sandstone recovery system | |
| CN103521433A (en) | Integrated space stone shaping screening system | |
| CN212069911U (en) | Single-stage spraying system for soil and water body remediation | |
| CN204509124U (en) | A kind of building waste recycling reutilization system | |
| CN104608248B (en) | Less than 5mm fine aggregate reuse method in concrete production | |
| CN204620182U (en) | A kind of building waste process washing cellular construction | |
| CN204747062U (en) | Surplus mud processing system of building | |
| CN204523748U (en) | A kind of building waste treatment system | |
| CN108620226A (en) | A kind of house refuse cleans the device of the weights such as sorting sandstone | |
| CN204523175U (en) | A kind of building waste process dust collecting system | |
| CN205473326U (en) | Sand dehydration platform is divided to an organic whole | |
| CN115445741A (en) | Method for preparing sand by utilizing rock waste high-yield preparation machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |