CN113237507A - Mobile coal flow sampling and sample preparation full-process material sensing system - Google Patents
Mobile coal flow sampling and sample preparation full-process material sensing system Download PDFInfo
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- CN113237507A CN113237507A CN202110427576.6A CN202110427576A CN113237507A CN 113237507 A CN113237507 A CN 113237507A CN 202110427576 A CN202110427576 A CN 202110427576A CN 113237507 A CN113237507 A CN 113237507A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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Abstract
The application provides a remove coal flow sampling full process material perception system. The system comprises: the sampling and sample preparing module is used for sampling and preparing samples of the coal flow; and the multi-physical quantity acquisition control module is used for acquiring the running states of the sampling and sample preparation modules in the coal flow sampling and sample preparation processes, summarizing the running states and controlling the sampling and sample preparation modules according to the running states. The system can master the running state of the coal flow sampling and preparing module in the sampling and preparing process in real time, carry out data analysis in real time, judge the running state of the sampling and preparing module, complete the real-time and dynamic adjustment of the action state of each device in the sampling and preparing module, and really realize the unmanned running of the sampling and preparing module.
Description
Technical Field
The application relates to the technical field of intelligent mines, in particular to the technical field of bulk material transportation and sampling, and specifically relates to a full-flow material sensing system for mobile coal flow sampling.
Background
The coal mechanized sampling and sample preparation system is an automatic control system for sampling and sample preparation of commercial coal at present, can ensure objectivity and accuracy of a coal inspection result, and effectively eliminates errors of manual sampling and sample preparation.
However, in the current sampling system, a specially-assigned person is required to patrol the equipment, and the operation state of each equipment is only monitored, so that the operation state of the coal sample in the whole system flow cannot be grasped. Particularly, in rainy season, the moisture of coal is too large due to rainfall during the transportation of the coal by trains and the storage period of a storage yard, and equipment faults such as equipment blockage, too large load and the like often occur in the sampling operation of a sampling system.
Disclosure of Invention
The object of the present application is to solve at least to some extent one of the above mentioned technical problems.
To this end, an object of the present application is to provide a moving coal flow sampling full-process material sensing system. The system can master the running state of the coal flow sampling and preparing module in the sampling and preparing process in real time, carry out data analysis in real time, judge the running state of the sampling and preparing module, complete the real-time and dynamic adjustment of the action state of each device in the sampling and preparing module, and really realize the unmanned running of the sampling and preparing module.
To achieve the above object, an embodiment of an aspect of the present application provides a system for sensing a material in a whole process of sampling a moving coal stream, including: the sampling and sample preparing module is used for sampling and preparing samples of the coal flow; the multi-physical quantity acquisition control module is used for acquiring the running state of the sampling and sample preparation module in the coal flow sampling and sample preparation process, performing summary analysis on the running state, and controlling the sampling and sample preparation module according to the running state.
According to an embodiment of the present application, the multi-physical-quantity acquisition control module is further configured to: and early warning the sampling and preparing module according to the running state.
According to an embodiment of the application, the sampling module comprises: the coal conveying main belt weighing unit is used for obtaining the sample amount of the primary subsample of the coal flow according to the instantaneous flow of the main coal conveying belt; the transfer belt weighing unit is used for acquiring the actual weight of the primary subsample of the coal flow; a sample collector weighing unit for obtaining a final sample weight of the coal stream; the ultrasonic coal flow monitoring unit is used for monitoring parameters such as height, length and the like of the coal flow; a crusher vibration monitoring unit for monitoring a crushing process of the coal flow; and the full-angle monitoring unit of the bucket of the primary sampler is used for judging the working state of the primary sampler.
According to an embodiment of the present application, the multi-physical-quantity acquisition control module includes: the acquisition unit is used for acquiring the running state of the sampling and preparation module in the coal flow sampling and preparation process; the control unit is used for controlling the sampling and preparing module according to the running state; and the early warning unit is used for early warning the sampling and preparing module according to the running state.
According to the mobile coal flow sample collection and preparation full-flow material sensing system, the sample collection and preparation module is used for sampling and preparing a coal flow; the multi-physical quantity acquisition control module is used for acquiring the running state of the sampling and sample preparation module in the coal flow sampling and sample preparation process, performing summary analysis on the running state, and controlling the sampling and sample preparation module according to the running state. Therefore, the running state of the coal flow sampling and sample preparing module in the sampling and sample preparing process can be mastered in real time, data analysis is carried out in real time, the running state of the sampling and sample preparing module is judged, the action states of all devices in the sampling and sample preparing module are dynamically adjusted in real time, and unmanned running of the sampling and sample preparing module is really achieved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a mobile coal flow sampling full-flow material sensing system according to one embodiment of the present application;
FIG. 2 is a schematic diagram of a sampling module configuration according to one embodiment of the present application;
FIG. 3 is a schematic diagram of a coal transporting main belt weighing unit of a mobile coal flow sampling full-flow material sensing system according to one embodiment of the present application;
FIG. 4 is a schematic diagram of a sample collector weighing cell of a mobile coal flow sampling full-flow material sensing system according to one embodiment of the present application;
FIG. 5 is a schematic diagram of an ultrasonic coal flow monitoring unit of a mobile coal flow sampling full-flow material sensing system according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a crusher vibration monitoring unit of a moving coal flow sampling full-flow material sensing system according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a primary collector bucket full angle monitoring unit of a mobile coal flow sampling full flow material sensing system according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a multi-physical-quantity acquisition control module of a mobile coal flow sampling full-process material sensing system according to an embodiment of the present application;
FIG. 9 is a schematic view of acquisition control of multiple physical quantities according to one embodiment of the present application;
fig. 10 is a schematic structural diagram of a full-process material sensing system for sampling a moving coal stream according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The following describes a moving coal flow sampling and sample preparation full-process material sensing system according to an embodiment of the present application with reference to the drawings.
Fig. 1 is a schematic structural diagram of a full-process material sensing system for sampling of a moving coal stream according to an embodiment of the present application. As shown in fig. 1, the system 100 for sensing the material in the whole process of sampling and sampling of the moving coal stream may include: a sample collection and preparation module 110 and a multi-physical quantity collection control module 120.
The sampling and sample-making module 110 is used for sampling and sample-making the coal flow; and the multi-physical quantity acquisition control module 120 is used for acquiring the running state of the sampling and preparation module 110 in the coal flow sampling and preparation process, performing summary analysis on the running state, and controlling the sampling and preparation module 110 according to the running state.
In the embodiment of the present application, as shown in fig. 2, fig. 2 is a schematic structural diagram of a sampling module according to an embodiment of the present application, and the sampling module 210 may include, but is not limited to, a main belt weighing unit 211, a transfer belt weighing unit 212, a sample collector weighing unit 213, an ultrasonic coal flow monitoring unit 214, a crusher vibration monitoring unit 215, and a primary collector bucket full-angle monitoring unit 216. It should be noted that the sampling module 210 has the same function and structure as the sampling module 110 in fig. 1.
The coal conveying main belt weighing unit 211 can be used for obtaining the sample amount of the primary subsample of the coal flow according to the instantaneous flow of the main coal conveying belt.
That is, as shown in fig. 3, fig. 3 is a schematic diagram of a coal conveying main belt weighing unit of a moving coal flow sampling full-flow material sensing system according to an embodiment of the present application. In the embodiment of the application, the weight of the material on the belt can be detected through the weighing sensor arranged on the weighing support, the speed sensor arranged on the belt detects the running speed of the belt, weight and speed signals are sent to the transmitter and enter the integrator after being processed, the integrator processes and calculates the collected weight and speed signals again, finally, the accumulated amount and the instantaneous flow of the material on the belt are obtained, and the sample amount of the primary subsample of the coal flow is calculated.
And the transshipment belt weighing unit 212 is used for acquiring the actual weight of the primary subsample of the coal flow.
That is, the transfer belt weighing unit 212 may measure the actual weight of the primary subsample of the coal flow sampled by the primary sampler through a weighing sensor disposed below the transfer belt.
A sample collector weighing unit 213 for obtaining the final sample weight of the coal stream.
That is, as shown in fig. 4, fig. 4 is a schematic view of a sample collector weighing unit of a moving coal flow sampling full-process material sensing system according to an embodiment of the present application. In embodiments of the present application, the sample collector weighing unit may include, but is not limited to, a sample collector, a load cell, a weigh frame, and the like. Wherein the final sample weight of the coal flow is measured by a load cell disposed below the collector.
And the ultrasonic coal flow monitoring unit 214 is used for monitoring parameters such as height, length and the like of the coal flow.
That is, as shown in fig. 5, fig. 5 is a schematic diagram of an ultrasonic coal flow monitoring unit of a mobile coal flow sampling full-process material sensing system according to an embodiment of the present application. In the embodiment of the application, the real-time monitoring of the height, the length and other parameters of the coal flow in the system is completed by arranging the ultrasonic sensor above the transfer belt.
A crusher vibration monitoring unit 215 for monitoring the crushing process of the coal stream.
That is, as shown in fig. 6, fig. 6 is a schematic diagram of a monitoring process of a crusher vibration monitoring unit of a moving coal flow sampling full-flow material sensing system according to an embodiment of the present application. In the embodiment of the application, the data acquisition of horizontal radial vibration and vertical radial vibration in the action process of the crusher is measured by the vibration sensor arranged outside the cavity of the crusher, so that the crushing process of the coal sample in the equipment is monitored.
And the primary sampler bucket full-angle monitoring unit 216 is used for judging the working state of the primary sampler.
That is, as shown in fig. 7, fig. 7 is a schematic structural diagram of a primary mining shovel bucket full-angle monitoring unit of a moving coal flow sampling full-flow material sensing system according to an embodiment of the present application. In this application embodiment, through installing in the angular transducer of the rotatory cutting scraper bowl connecting shaft end of elementary sample thief and survey the angular position, judge the normal operating condition and the safe operating condition of elementary sample thief.
In this embodiment of the application, as shown in fig. 8, the multi-physical-quantity acquisition control module 810 includes: a collection unit 811, a control unit 812, and an early warning unit 813. It should be noted that the multiple physical quantity acquisition control module 810 has the same function and structure as the multiple physical quantity acquisition control module 120 in fig. 1.
The acquisition unit 811 is used for acquiring the running state of the sampling and sample-making module in the coal flow sampling and sample-making process; a control unit 812 for controlling the sampling and preparing module according to the operation state; and the early warning unit 813 is used for early warning the sampling and preparation module according to the running state.
In the embodiment of the present application, as shown in fig. 9, fig. 9 is a schematic diagram of acquisition control of multiple physical quantities according to an embodiment of the present application. In the embodiment of the application, the process of acquiring the running state of the sampling and preparing module in the process of acquiring the coal flow sampling and preparing samples by the multi-physical-quantity acquisition control module, namely the acquisition unit in the multi-physical-quantity acquisition control module, is the process of acquiring multi-physical-quantity data such as sensor signals of weight, ultrasonic waves, vibration, materials and the like from sensing nodes in the sampling and preparing module. In order to make the acquired running state of the sampling and sample-making module more accurate, no loss is required in the process of acquiring the data of multiple physical quantities from the sampling and sample-making module. And then, the acquisition unit can perform summary analysis on the running state, namely the multi-physical quantity acquisition control module can perform collection and application processing analysis on different multi-physical quantity data, and the control unit controls the sampling and sample preparation module according to the analyzed multi-physical quantity data. In order to early warn equipment faults in advance, the early warning unit can early warn the sampling and preparing module according to the running state. It should be noted that the multi-physical quantity acquisition control module may include, but is not limited to, an acquisition unit, a control unit, an early warning unit, and the like.
In order to make the present application more clear to those skilled in the art, it will now be further described by referring to fig. 10.
For example, as shown in fig. 10, fig. 10 is a schematic structural diagram of a full-flow material sensing system for sampling of a moving coal stream according to an embodiment of the present application. In fig. 10, a belt weighing system is arranged at the front end of a sampling point of a main coal conveying belt, the sample amount of a primary subsample is calculated through the instantaneous flow during sampling, the weighing system is arranged on a bracket of a belt feeder, a sample is accurately weighed after falling to a feeding belt, and the weighing value is compared with the calculated sample amount. A vibration sensing system is arranged on the primary crusher, the change of the vibration characteristic of the crusher is consistent with the weight reduction speed of a sample on the feeding belt conveyor, and if the change is inconsistent, materials can not normally enter the crusher due to material blockage. Set up ultrasonic sensor on the division belt feeder, detect the thickness of material on the belt, if thickness is normal, show that the material after the one-level breakage normally counts into the belt division machine, if thickness is abnormal, probably the material is blockked up at belt division machine entry. Under the condition that the thickness is normal, the first-stage division cutter acts, materials enter the second-stage crusher, the second-stage crusher is provided with a vibration sensor, the action period of the first-stage division cutter is 2-3s, the second-stage crusher should show the periodic vibration characteristic of 2-3s, and if the vibration characteristic is abnormal, a coal sliding channel from the first-stage division cutter to the second-stage crusher is likely to be blocked. The material after the second-stage crushing enters a second-stage splitter, the material is analyzed after the second-stage crushing and reserved and enters a sample collector, the sample is discarded and enters a sample discarding belt conveyor, the collector is provided with a weighing system, the sample is subjected to the second-stage splitting and then shows that the weight of the sample in the collector is increased, and if the weight is not normally increased, the inlet of the second-stage splitter can be blocked or a sample collecting port of the second-stage splitter can be blocked. Set up ultrasonic sensor at abandon material belt feeder to the switching mouth of bucket carrying the machine and carry out material monitoring, if the sensor reports to the police, then the material can not normally get into the bucket and carry the machine. When the discharge opening of the bucket elevator discharges materials in a parabolic manner, the materials impact the inner wall of the discharge pipe, one bucket of materials is thrown every 0.2s, and the unloading state of the bucket elevator is sensed by arranging a vibration sensor on the discharge pipe. The real-time monitoring of the whole process of the material state in the system is realized through the established multi-physical quantity acquisition control module. The monitoring system of the connecting angle of the rotary bucket connecting shaft end of the primary mining device and the cutter is arranged to judge the working state of the primary mining device, such as normal working state, safe working state and the like.
According to the mobile coal flow sample collection and preparation full-flow material sensing system, the sample collection and preparation module is used for sampling and preparing the coal flow; and the multi-physical quantity acquisition control module is used for acquiring the running state of the sampling and sample preparation module in the coal flow sampling and sample preparation process, collecting and analyzing the running state and controlling the sampling and sample preparation module according to the running state. Therefore, the running state of the sampling and sample-making module of the coal flow sampling and sample-making system in the sampling and sample-making process can be mastered in real time, data analysis is carried out in real time, the running state of the sampling and sample-making module is judged, the action states of all devices in the sampling and sample-making module are dynamically adjusted in real time, fault judgment and fault early warning are carried out on the sampling and sample-making module, and unmanned running of the sampling and sample-making system is really realized.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (4)
1. The utility model provides a remove coal flow sampling full process material perception system which characterized in that includes:
the sampling and sample preparing module is used for sampling and preparing samples of the coal flow;
the multi-physical quantity acquisition control module is used for acquiring the running state of the sampling and sample preparation module in the coal flow sampling and sample preparation process, performing summary analysis on the running state, and controlling the sampling and sample preparation module according to the running state.
2. The system of claim 1, wherein the multiple physical quantity acquisition control module is further configured to:
and early warning the sampling and preparing module according to the running state.
3. The system of claim 1, wherein the sampling module comprises:
the coal conveying main belt weighing unit is used for obtaining the sample amount of the primary subsample of the coal flow according to the instantaneous flow of the main coal conveying belt;
the transfer belt weighing unit is used for acquiring the actual weight of the primary subsample of the coal flow;
a sample collector weighing unit for obtaining a final sample weight of the coal stream;
the ultrasonic coal flow monitoring unit is used for monitoring parameters such as height, length and the like of the coal flow;
a crusher vibration monitoring unit for monitoring a crushing process of the coal flow;
and the full-angle monitoring unit of the bucket of the primary sampler is used for judging the working state of the primary sampler.
4. The system according to claim 1 or 2, wherein the multiple physical quantity acquisition control module comprises:
the acquisition unit is used for acquiring the running state of the sampling and preparation module in the coal flow sampling and preparation process;
the control unit is used for controlling the sampling and preparing module according to the running state;
and the early warning unit is used for early warning the sampling and preparing module according to the running state.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981445A (en) * | 2012-12-03 | 2013-03-20 | 西安红宇矿用特种移动设备有限公司 | Intelligent control system and method for coal sampling and sample making machine based on PLC (Programmable Logic Controller) |
| CN104192536A (en) * | 2014-07-24 | 2014-12-10 | 湖南三德科技股份有限公司 | Speed control method of material conveying equipment in sampling and sample preparing system |
| CN104881006A (en) * | 2015-03-27 | 2015-09-02 | 珠海瑞洪智能***工程有限公司 | Fire coal sampling, preparation and testing management method and apparatus |
| WO2016011891A1 (en) * | 2014-07-24 | 2016-01-28 | 湖南三德科技股份有限公司 | Method for controlling conveying speed in sampling and preparation |
| CN107916684A (en) * | 2017-12-26 | 2018-04-17 | 青岛雷沃工程机械有限公司 | High-precision coordinate measures excavator |
| CN209212237U (en) * | 2018-12-26 | 2019-08-06 | 秦皇岛出入境检验检疫局煤炭检测技术中心 | Coal mechanical equipment stream monitors system |
| CN111157265A (en) * | 2019-12-31 | 2020-05-15 | 赛摩电气股份有限公司 | Belt sampling head fault monitoring device and fault early warning diagnosis method |
| CN112598339A (en) * | 2021-03-03 | 2021-04-02 | 英飞智信(北京)科技有限公司 | Coal digital detection and inspection system |
-
2021
- 2021-04-20 CN CN202110427576.6A patent/CN113237507A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981445A (en) * | 2012-12-03 | 2013-03-20 | 西安红宇矿用特种移动设备有限公司 | Intelligent control system and method for coal sampling and sample making machine based on PLC (Programmable Logic Controller) |
| CN104192536A (en) * | 2014-07-24 | 2014-12-10 | 湖南三德科技股份有限公司 | Speed control method of material conveying equipment in sampling and sample preparing system |
| WO2016011891A1 (en) * | 2014-07-24 | 2016-01-28 | 湖南三德科技股份有限公司 | Method for controlling conveying speed in sampling and preparation |
| CN104881006A (en) * | 2015-03-27 | 2015-09-02 | 珠海瑞洪智能***工程有限公司 | Fire coal sampling, preparation and testing management method and apparatus |
| CN107916684A (en) * | 2017-12-26 | 2018-04-17 | 青岛雷沃工程机械有限公司 | High-precision coordinate measures excavator |
| CN209212237U (en) * | 2018-12-26 | 2019-08-06 | 秦皇岛出入境检验检疫局煤炭检测技术中心 | Coal mechanical equipment stream monitors system |
| CN111157265A (en) * | 2019-12-31 | 2020-05-15 | 赛摩电气股份有限公司 | Belt sampling head fault monitoring device and fault early warning diagnosis method |
| CN112598339A (en) * | 2021-03-03 | 2021-04-02 | 英飞智信(北京)科技有限公司 | Coal digital detection and inspection system |
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Application publication date: 20210810 |