CN112482353A - Automatic feeding system of marine gravel pile ship - Google Patents
Automatic feeding system of marine gravel pile ship Download PDFInfo
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- CN112482353A CN112482353A CN202011261043.7A CN202011261043A CN112482353A CN 112482353 A CN112482353 A CN 112482353A CN 202011261043 A CN202011261043 A CN 202011261043A CN 112482353 A CN112482353 A CN 112482353A
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- hopper
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention belongs to the field of offshore soft foundation treatment construction, and particularly discloses an automatic feeding system of an offshore gravel pile ship, which comprises a gravel pile ship body, a support frame, a vibroflotation treatment device arranged on the support frame, and a gravel storage bin arranged on a deck of the gravel pile ship body and used for storing gravel raw materials; the broken stone conveying device is used for receiving and conveying broken stones discharged from the broken stone bin; the transition bin is arranged at the output end of the gravel conveying device and used for receiving and temporarily storing the conveyed gravel; the lifting hopper is arranged below the transition bin and used for receiving the broken stones discharged from the transition bin; and the hopper lifting device drives the lifting hopper to move up and down in the vertical direction and inputs the broken stones in the lifting hopper into a bin of the vibroflotation processing device. The automatic feeding system can accurately measure the quantity of crushed stones, the feeding process is smooth and free of blockage, the operation is simple and convenient, and the automation degree is high.
Description
Technical Field
The invention belongs to the field of offshore soft foundation treatment construction, and particularly relates to an automatic feeding system of an offshore gravel pile ship.
Background
The marine gravel pile is characterized in that gravel materials are pressed into foundation soil through vibration by using a gravel pile ship provided with a gravel pile vibroflot, a plurality of pile bodies composed of gravel are formed in the foundation, the pile bodies and the original foundation soil jointly form a composite foundation, so that the bearing capacity and the liquefaction resistance of the foundation are improved, and the gravel pile method is widely applied as an effective composite foundation.
When marine gravel pile construction is carried out, gravel materials need to be conveyed to a storage bin of a vibroflotation device in a certain mode through feeding equipment, and the efficiency of feeding and the accuracy of metering directly influence gravel pile construction efficiency and quality.
There are two common methods of feeding crushed stones:
first, the material is supplied by an excavator on a feeding barge, the feeding barge is close to a gravel pile construction ship, and due to the influence of sea waves, the feeding barge and the gravel pile construction ship are shaken and collide with each other, so that the hopper of the excavator is difficult to accurately align with a feeding port of a storage bin, and the feeding efficiency is low. In addition, the measuring of the crushed stone materials by the feeding mode is to observe the upper volume of the hopper of the excavator by the naked eye of an operator, and has larger error.
Secondly, feeding is carried out by a hydraulic pumping method, the feeding mode is not influenced by waves, the feeding efficiency is high, but the mode measures the quantity of the crushed stones by the flow of a crushed stone pump, and the measurement is inaccurate; meanwhile, the requirements on the particle size and the grading of the gravel pump are high, the cost of the gravel pile raw material is increased, the hydraulic pump for pumping the gravel easily blocks the pipe, the through pipe treatment needs to be completely disassembled, the disassembling process is troublesome, and in addition, the conventional gravel pump mainly depends on an inlet and the equipment is expensive.
Therefore, the research and development of the offshore gravel pile feeding system which is accurate in metering, simple to operate and high in efficiency is urgent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and discloses an automatic feeding system of an offshore gravel pile ship.
In order to achieve the technical purpose, the invention is realized according to the following technical scheme:
the invention relates to an automatic feeding system of an offshore gravel pile ship, which comprises a gravel pile ship body, a supporting frame and a vibroflotation processing device arranged on the supporting frame, and further comprises:
the gravel stock bin is arranged on a deck of a ship body of the gravel pile ship and used for storing gravel raw materials;
the broken stone conveying device is used for receiving and conveying broken stones discharged from the broken stone bin;
the transition bin is arranged at the output end of the gravel conveying device and used for receiving and temporarily storing the conveyed gravel;
the lifting hopper is arranged below the transition bin and used for receiving the broken stones discharged from the transition bin;
and the hopper lifting device drives the lifting hopper to move up and down in the vertical direction and inputs the broken stones in the lifting hopper into a bin of the vibroflotation processing device.
As a further improvement of the above technology, the gravel conveying device is a belt conveyor, which includes a first belt pulley, a conveying belt and a second belt pulley installed on a deck, the first belt pulley is installed on the belt pulley installation seat, the second belt pulley is installed on the belt pulley installation seat, and the height of the belt pulley installation seat is higher than that of the belt pulley installation seat.
As a further improvement of the technology, the transition bin is fixedly arranged at the position, corresponding to the output end of the belt conveyor, of the belt pulley mounting frame, a first weighing sensor is arranged on a bin foot at the bottom of the transition bin, and a bin door of the transition bin is a hydraulic bin door.
As a further improvement of the above technology, the hopper lifting device includes a hopper lifting winch, a diagonal lifting wire rope, a lifting wire rope pulley, a vertical lifting wire rope, and a hopper climbing rail for providing a lifting rail for the lifting hopper, the hopper lifting winch is installed on the deck of the gravel pile ship body, the support frame is an a-shaped support frame, and the lifting wire rope pulley is installed on a top cross beam of the support frame.
As a further improvement of the above technology, an upper limit sensor and a lower limit sensor are respectively mounted at the upper end and the lower end of the hopper climbing rail.
As a further improvement of the above technology, a signal transmitter is arranged on the lifting hopper, and a signal receiver for receiving in-place lifting information sent by the lifting hopper signal transmitter is arranged on the bin of the vibroflotation processing device.
As a further improvement of the technology, the lower part of the crushed stone bin is provided with a plurality of conical hopper bins, the bottom of each conical hopper bin is provided with a crushed stone bin gate, and the crushed stone bin gates are hydraulic type bin gates.
As a further improvement of the technology, a second weighing sensor is arranged at the top of the lifting hopper, one end of the second weighing sensor is connected with the lifting hopper, and the other end of the second weighing sensor is connected with the vertical lifting steel wire rope.
As a further improvement of the technology, the vibroflotation processing device is at least one group, and the cone hopper bin, the gravel conveying device, the transition bin, the lifting hopper and the hopper lifting device which are correspondingly matched with the vibroflotation processing device are also one or more groups.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the automatic feeding system for the gravel pile ship, the gravel in the gravel bin is conveyed out through the belt type gravel conveying device, the gravel is spread out on the belt in sequence and conveyed out slowly, and pipe blockage cannot occur;
(2) according to the automatic feeding system for the gravel pile ship, the transition bin is added, instead of a belt conveyor, the lifting hopper is directly charged, so that the metering accuracy of the quantity of gravel is guaranteed, the charging continuity of the lifting hopper is improved, the occurrence of blocking due to untimely feeding or excessive feeding is avoided, and the higher feeding efficiency is ensured;
(3) according to the automatic feeding system for the gravel pile ship, the lifting hopper is provided with the signal transmitter, and the vibroflotation processing device is provided with the signal receiver, so that the lifting hopper can track the position of a bin of a vibroflotation processor in real time, the vibroflotation processing device can be fed at any position in the gravel pile construction process, and the feeding accuracy is high;
(4) according to the automatic feeding system for the gravel pile ship, the lifting hopper moves up and down along the hopper climbing track, and the upper limit sensor and the lower limit sensor are correspondingly arranged above and below the hopper climbing track, so that the accuracy of the position of the lifting hopper during material receiving and loading is ensured, and broken stones are prevented from falling empty;
(5) the automatic feeding system for the gravel pile ship is simple in structure, accurate in metering, simple to operate, high in efficiency and high in automation degree.
Drawings
The invention is described in detail below with reference to the following figures and specific embodiments:
FIG. 1 is a schematic elevation structure of an automatic feeding system of an offshore gravel pile ship according to the invention;
FIG. 2 is a schematic view of the stone conveyor of the present invention;
FIG. 3 is a top view of the offshore gravel pile vessel automatic feeding system of the present invention;
FIG. 4 is a schematic front side view of an automatic feeding system for an offshore gravel pile vessel according to the present invention;
FIG. 5 is a schematic view of the construction of the lift hopper of the present invention;
figure 6 is a schematic view of the crushed stone silo according to the invention.
Detailed Description
As shown in fig. 1 to 4, the automatic feeding system for an offshore gravel pile ship according to the present invention includes a gravel pile ship body 1, an a-shaped support frame 2, and a vibroflotation processing device 3 mounted on the a-shaped support frame 2, and further includes:
the gravel stock bin 4 is arranged on a deck of the gravel pile ship body 1 and used for storing gravel raw materials;
the broken stone conveying device 5 is used for receiving and conveying broken stones discharged from the broken stone bin 4;
the transition bin 6 is arranged at the output end of the gravel conveying device 5 and used for receiving and temporarily storing the conveyed gravel;
the lifting hopper 7 is arranged below the transition bin 6 and used for receiving the broken stones discharged from the transition bin 6;
and a hopper lifting device 8 for driving the lifting hopper 7 to move up and down in the vertical direction and inputting the broken stones in the lifting hopper 7 into the bin 31 of the vibroflotation processing device 3.
As shown in fig. 1 and 2, the crushed stone conveying device 5 is a belt conveyor, an input port end of the belt conveyor is arranged at a position right below the crushed stone bin 4, the belt conveyor comprises a first belt pulley 51, a conveying belt 52 and a second belt pulley 53 which are arranged on a deck, the first belt pulley 51 is arranged on a belt pulley mounting seat 54, the second belt pulley 53 is arranged on a belt pulley mounting seat 55, the height of the belt pulley mounting seat 55 is higher than that of the belt pulley mounting seat 54, so that the crushed stones are slowly spread on the conveying belt 52 which is inclined upwards and conveyed forwards, the crushed stones are conveyed to the bow from the middle of the ship and lifted, and the falling and the blocking of the crushed stones are prevented.
As shown in fig. 1 and 2, transition bin 6 is fixedly mounted on belt pulley mounting frame 55 at a position corresponding to the output port of belt conveyor, a first weighing sensor 9 is arranged on the bin foot at the bottom of transition bin 6, the bin gate of transition bin 6 is a hydraulic bin gate, and first weighing sensor 9 is used for measuring the weight of residual broken stones in transition bin 6, so that the broken stones in transition bin 6 can be ensured to be maintained in a full bin state, and the broken stone feeding interruption can not be caused.
As shown in fig. 5, the door of the lifting hopper 7 is also a hydraulic door, which controls the opening and closing of the door 71 through a hydraulic cylinder 72, and the top of the lifting hopper 7 is provided with a second weighing sensor 10, two ends of the second weighing sensor 10 are respectively connected with a vertical lifting wire rope 84 and the lifting hopper 7, the second weighing sensor 10 is used for measuring the weight of the crushed stones in the lifting hopper 7, and the accuracy of measuring the crushed stones supplied to the vibroflotation processor each time can be ensured.
As shown in fig. 1, the hopper lifting device 8 includes a hopper lifting hoist 81, a diagonal lifting wire 82, a lifting wire pulley 83, a vertical lifting wire 84, and a hopper climbing rail 85 for providing a lifting rail for the lifting hopper 7, which are connected in sequence, the hopper lifting hoist 81 is installed on the deck of the gravel pile ship hull 1, the a-type support frame 2 is a combined a-type support frame, and the lifting wire pulley 83 is hung on the top beam 21 of the a-type support frame 2.
As shown in fig. 3 and 4, an upper limit sensor 11 and a lower limit sensor 12 are attached to the upper and lower ends of the hopper lifting rail 85, respectively. In addition, the lifting hopper 7 is provided with a signal emitter 13, and correspondingly, the bunker 31 of the vibroflotation processing device 3 is provided with a signal receiver 14 for receiving in-place information sent by the signal emitter 13.
As shown in fig. 6, the gravel bin 4 comprises a bin frame 41 supporting the gravel bin 4, the bin frame 41 is fixed on the deck surface of the ship body of the pile ship, the lower part of the gravel bin 4 is provided with a plurality of conical hopper bins 42, the bottom of each conical hopper bin 42 is provided with a bin gate 43 of the gravel bin 4, the bin gate 43 of the gravel bin 4 is a hydraulic bin gate, and the bin gate is controlled to be opened or closed through an oil cylinder.
In this embodiment, as shown in fig. 3 and 4, the vibroflotation treatment devices 3 are three groups, and the cone hopper bin 42, the gravel conveying device 5, the transition bin 6, the lifting hopper 7 and the hopper lifting device 8 which are correspondingly matched with the vibroflotation treatment devices are also three groups.
The construction method of the automatic feeding system according to the present invention is specifically described below:
(1) construction preparation: closing a bin door 43 of the crushed stone bin 4, conveying crushed stone materials into the crushed stone bin 4 by using other crushed stone transportation barges, and leaving the crushed stone transportation barges after the crushed stone bin 4 is filled with crushed stones;
(2) starting the gravel conveying device 5: starting the crushed stone conveying device 5, enabling the conveying belt 52 to start to move under the driving of the first belt pulley 51 and the third belt pulley 53, enabling an upper layer belt of the conveying belt 52 to move towards the bow from the middle part of the ship, and enabling a lower layer belt to be recovered;
(3) opening a bin door of a crushed stone bin 4: closing a bin gate of the transition bin 6, opening a discharge bin opening bin gate 43 of the crushed stone bin 4 through a hydraulic oil cylinder, dropping crushed stones in the crushed stone bin 4 onto an upper layer belt of the crushed stone conveying device 5 from a discharge bin opening, moving the crushed stones to the bow along with the conveying belt 52, reaching the front end output port part of the belt conveyor 5, and dropping the crushed stones into the transition bin 6 for temporary storage;
(4) suspending gravel conveying: the quantity of the crushed stone materials in the transition bin 6 is judged through the second weighing sensor 10 of the transition bin 6, when the crushed stones are full, the bin opening door 43 of the discharging bin of the crushed stone bin 4 is closed, and the operation of the crushed stone conveying device 5 is suspended;
(5) lifting the hopper 7 for charging: the lifting hopper 7 descends until the lower limit sensor 12 is triggered, then the bin gate of the transition bin 6 is opened, the crushed stones in the bin fall into the lifting hopper 7, the second weighing sensor 10 of the lifting hopper 7 measures the amount of the crushed stones in the lifting hopper 7, and when the crushed stones in the lifting hopper 7 are full, the bin gate of the transition bin 6 is closed;
(6) the lifting hopper 7 is lifted: the lifting hopper 7 ascends along a hopper climbing track 85 under the action of a lifting hopper winch 81, a diagonal lifting steel wire rope 82, a lifting steel wire rope pulley 83 and a vertical lifting steel wire rope 84 until the information is received by a lifting hopper elevation signal receiver 14 on the bin 31 of the vibroflotation processing device 3;
(7) the hopper 31 of the vibroflotation treatment device 3 is charged: the bin gate of the bin 31 of the vibroflotation treatment device 3 is opened, the bin gate of the lifting hopper 7 is opened under the action of the hydraulic oil cylinder 72, the broken stones in the lifting hopper 7 fall into the bin 31 of the vibroflotation treatment device 3, when no remaining broken stones exist in the lifting hopper 7, the bin gate of the bin 31 of the vibroflotation treatment device 3 is closed, so far, the feeding operation of the bin 31 of the vibroflotation treatment device 3 is completed, and the operation is circulated.
The present invention is not limited to the above-described embodiments, and various changes and modifications of the present invention are also intended to be included within the scope of the claims and equivalent technologies of the present invention, unless they depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides an offshore gravel pile ship automatic feed system, includes gravel pile ship hull, support frame, installs the shake towards processing apparatus on the support frame, its characterized in that: also comprises
The gravel stock bin is arranged on a deck of a ship body of the gravel pile ship and used for storing gravel raw materials;
the broken stone conveying device is used for receiving and conveying broken stones discharged from the broken stone bin;
the transition bin is arranged at the output end of the gravel conveying device and used for receiving and temporarily storing the conveyed gravel;
the lifting hopper is arranged below the transition bin and used for receiving the broken stones discharged from the transition bin;
and the hopper lifting device drives the lifting hopper to move up and down in the vertical direction and inputs the broken stones in the lifting hopper into a bin of the vibroflotation processing device.
2. An automatic feeding system for marine gravel pile ships according to claim 1, characterized in that: the rubble conveyor is band conveyer, and it is including installing first belt pulley, conveyer and the second belt pulley on the deck, first belt pulley is installed on the belt pulley mount pad, the second belt pulley is installed on the belt pulley mounting bracket, the height that highly is higher than the belt pulley mount pad of belt pulley mounting bracket.
3. An automatic feeding system for marine gravel pile ships according to claim 2, characterized in that: transition feed bin fixed mounting is corresponding to band conveyer's output port position on the belt pulley mounting bracket, be equipped with first weighing sensor on the bottom storehouse foot of transition feed bin, the door of transition feed bin is hydraulic type door.
4. An automatic feeding system for marine gravel pile ships according to claim 2, characterized in that: the hopper lifting device comprises a hopper lifting winch, an inclined-pulling lifting steel wire rope, a lifting steel wire rope pulley, a vertical lifting steel wire rope and a hopper climbing rail, wherein the hopper lifting winch, the inclined-pulling lifting steel wire rope, the lifting steel wire rope pulley and the vertical lifting steel wire rope are sequentially connected, the hopper climbing rail is used for providing a lifting rail for a lifting hopper, the hopper lifting winch is arranged on a ship body deck of the gravel pile ship, the supporting frame is an A-shaped supporting frame, and the lifting steel wire rope pulley is.
5. An offshore gravel pile vessel automatic feed system according to claim 4, characterized in that: the upper end and the lower end of the hopper climbing track are respectively provided with an upper limiting sensor and a lower limiting sensor.
6. An automatic feeding system for marine gravel pile ships according to claim 1, characterized in that: the lifting hopper is provided with a signal transmitter corresponding to the signal transmitter, and the bin of the vibroflotation processing device is provided with a signal receiver used for receiving lifting in-place information sent by the signal transmitter of the lifting hopper.
7. An automatic feeding system for marine gravel pile ships according to claim 1, characterized in that: the lower part of the crushed stone bin is provided with a plurality of conical hopper bins, the bottom of each conical hopper bin is provided with a crushed stone bin gate, and the crushed stone bin gates are hydraulic type bin gates.
8. An automatic feeding system for marine gravel pile ships according to claim 1, characterized in that: and a second weighing sensor is arranged at the top of the lifting hopper, one end of the second weighing sensor is connected with the lifting hopper, and the other end of the second weighing sensor is connected with a vertical lifting steel wire rope.
9. An offshore gravel pile vessel automatic feed system according to claim 7, characterized in that: the vibroflotation processing device is at least one group, and the cone hopper bin, the gravel conveying device, the transition bin, the lifting hopper and the hopper lifting device which are correspondingly matched with the vibroflotation processing device are also one or more groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011261043.7A CN112482353A (en) | 2020-11-12 | 2020-11-12 | Automatic feeding system of marine gravel pile ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011261043.7A CN112482353A (en) | 2020-11-12 | 2020-11-12 | Automatic feeding system of marine gravel pile ship |
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| CN112482353A true CN112482353A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011261043.7A Pending CN112482353A (en) | 2020-11-12 | 2020-11-12 | Automatic feeding system of marine gravel pile ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110337A (en) * | 2021-04-20 | 2021-07-13 | 中国华能集团有限公司 | Intelligent feeding device and method for vibroflotation gravel pile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5775836A (en) * | 1996-03-05 | 1998-07-07 | Dean, Jr.; Americo | Capping device for uniform capping of subaquatic sediments |
| CN101629841A (en) * | 2009-08-14 | 2010-01-20 | 枣庄市三维技术有限公司 | Weighting device capable of automatically measuring formula |
| CN102071673A (en) * | 2011-01-12 | 2011-05-25 | 中铁港航工程局有限公司 | Underwater construction method for gravel pile |
| CN206941567U (en) * | 2017-05-17 | 2018-01-30 | 中交第二航务工程局有限公司 | The Macadam Pile Construction barge waterborne |
| CN207846398U (en) * | 2018-01-11 | 2018-09-11 | 中交四航工程研究院有限公司 | A kind of underwater the Macadam Pile Construction pile pipe and construction system |
| WO2019190319A1 (en) * | 2018-03-26 | 2019-10-03 | Van Oord Dredging And Marine Contractors B.V. | Hoisting system with guiding units to couple hoist elements to a winch system |
-
2020
- 2020-11-12 CN CN202011261043.7A patent/CN112482353A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5775836A (en) * | 1996-03-05 | 1998-07-07 | Dean, Jr.; Americo | Capping device for uniform capping of subaquatic sediments |
| CN101629841A (en) * | 2009-08-14 | 2010-01-20 | 枣庄市三维技术有限公司 | Weighting device capable of automatically measuring formula |
| CN102071673A (en) * | 2011-01-12 | 2011-05-25 | 中铁港航工程局有限公司 | Underwater construction method for gravel pile |
| CN206941567U (en) * | 2017-05-17 | 2018-01-30 | 中交第二航务工程局有限公司 | The Macadam Pile Construction barge waterborne |
| CN207846398U (en) * | 2018-01-11 | 2018-09-11 | 中交四航工程研究院有限公司 | A kind of underwater the Macadam Pile Construction pile pipe and construction system |
| WO2019190319A1 (en) * | 2018-03-26 | 2019-10-03 | Van Oord Dredging And Marine Contractors B.V. | Hoisting system with guiding units to couple hoist elements to a winch system |
Non-Patent Citations (1)
| Title |
|---|
| 吴遵奇等: "强浪条件下振冲碎石桩施工工艺", 《水运工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110337A (en) * | 2021-04-20 | 2021-07-13 | 中国华能集团有限公司 | Intelligent feeding device and method for vibroflotation gravel pile |
| CN113110337B (en) * | 2021-04-20 | 2022-04-05 | 中国华能集团有限公司 | Intelligent feeding device and method for vibroflotation gravel pile |
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Application publication date: 20210312 |
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