CN115724150A - Precise coal type confirmation system established on digital twin system and applying RFID (radio frequency identification) label - Google Patents

Precise coal type confirmation system established on digital twin system and applying RFID (radio frequency identification) label Download PDF

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Publication number
CN115724150A
CN115724150A CN202211294712.XA CN202211294712A CN115724150A CN 115724150 A CN115724150 A CN 115724150A CN 202211294712 A CN202211294712 A CN 202211294712A CN 115724150 A CN115724150 A CN 115724150A
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China
Prior art keywords
coal
rfid
module
digital twin
conveying
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CN202211294712.XA
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Chinese (zh)
Inventor
陈杰
张豪庆
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Shanghai Shidongkou Second Power Plant of Huaneng Power International Inc
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Shanghai Shidongkou Second Power Plant of Huaneng Power International Inc
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Priority to CN202211294712.XA priority Critical patent/CN115724150A/en
Publication of CN115724150A publication Critical patent/CN115724150A/en
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Abstract

The invention discloses an accurate coal type confirmation system by applying RFID (radio frequency identification) tags, which is established on a digital twin system and comprises a transportation component, a control component and a control component, wherein the transportation component comprises a coal hopper, a transportation pipeline connected with the lower end of the coal hopper and a scraper component arranged in the transportation pipeline; and the monitoring assembly comprises a detection component arranged on the conveying pipeline, a coal taking piece arranged on the conveying pipeline and a throwing component arranged on the coal taking piece, wherein an RFID system is additionally arranged, and the monitoring assembly comprises an RFID label, a remote writing and throwing device and an RFID reading device, and then the Internet of things technology is applied, so that the digital monitoring means of the coal yard for the coal types of the added bins is improved, the application range of the digital coal yard is enlarged, the approximate result obtained according to calculation can be obtained when the coal types of the added bins can be burnt in the coal mill at present, and the accuracy is insufficient.

Description

Precise coal type confirmation system established on digital twin system and applying RFID (radio frequency identification) label
Technical Field
The invention relates to the technical field of safe operation of coal mills, in particular to an accurate coal type confirmation system established on a digital twin system and applying an RFID (radio frequency identification) label.
Background
The fuel of a coal-fired power plant is coal, the change of the coal type is very important for a coal mill, the setting of the operation parameters of the coal mill can be influenced, whether a unit operates to save energy or not can be determined, the safe operation of the coal mill can be seriously influenced, and whether the risk of explosion of the coal mill exists or not can be judged. At present, the operator on duty of the operation unit checks the coal types burned in each coal bunker through the sent coal blending meter, and the fuel site fetches coal from a corresponding coal yard according to the coal blending meter or directly shunts the coal, so that on one hand, whether the correct coal fetching can be carried out in the correct site according to the requirements on the coal blending meter during coal fetching cannot be verified, and on the other hand, when the coal types charged in the coal mill can be burned in the coal mill, an approximate result is obtained through comprehensive calculation according to the position of the coal bunker during charging and the operation coal amount of the current coal feeder, the accuracy is insufficient, so that the situation that the burned coal types do not correspond to the operation parameters of the coal mill sometimes occurs, and the operation safety and the working condition setting of the coal mill are influenced.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned problems occurring in the prior art in which an accurate coal identification system using RFID tags is built on a digital twin system.
Therefore, the invention aims to provide an accurate coal type confirmation system using an RFID tag, which is established on a digital twin system.
In order to solve the technical problems, the invention provides the following technical scheme: an accurate coal type confirmation system established on a digital twin system and applying RFID labels comprises a transportation assembly, a control assembly and a control assembly, wherein the transportation assembly comprises a coal hopper, a transportation pipeline connected with the lower end of the coal hopper and a scraper component arranged in the transportation pipeline; and the monitoring assembly comprises a detection component arranged on the conveying pipeline, a coal taking piece arranged on the conveying pipeline and a throwing component arranged on the coal taking piece.
As a preferable scheme of the system for accurately confirming the coal by using the RFID tag established on the digital twin system according to the present invention, wherein: a coal feeder is arranged at one end of the conveying pipeline, a coal conveying pipe is arranged at one end of the conveying pipeline close to the coal feeder, a coal mill is arranged at the lower end of the coal conveying pipe,
the coal pulverizer is characterized in that an inclined conveying pipe is arranged at the lower end of the coal conveying pipe and connected with the coal pulverizer.
As a preferable scheme of the system for accurately confirming the coal by using the RFID tag established on the digital twin system according to the present invention, wherein: the coal taking part comprises a connecting sleeve connected with one end of the conveying pipeline, a bearing box arranged in the connecting sleeve and a pushing part arranged in the connecting sleeve,
the pushing piece comprises a first air cylinder arranged in the connecting sleeve, a pushing plate arranged on an output shaft of the first air cylinder and a plurality of friction strips arranged on the pushing plate.
As a preferable scheme of the system for accurately confirming the coal by using the RFID tag established on the digital twin system according to the present invention, wherein: the throwing component comprises a processing frame arranged in the connecting sleeve, a distribution disc rotationally connected to the processing frame, a conveying cylinder arranged on the lower surface of the distribution disc and an end cover arranged at the lower end of the conveying cylinder, the end cover is rotationally connected with the conveying cylinder, the lower end of the distribution disc extends out of a rotating column, the lower end of the rotating column is provided with a driving piece,
the processing frame is provided with a material conveying box, the lower end of the material conveying box extends out of a material conveying pipe, and the upper end of the material conveying cylinder is provided with an opening matched with the material conveying pipe.
As a preferable scheme of the system for accurately confirming the coal by using the RFID tag established on the digital twin system according to the present invention, wherein: the processing frame is provided with a clamping block, a driving disc is fixed on the clamping block and provided with a concave part, a driving strip extends out of the end cover, a guide wheel is arranged on the driving strip, and a slide rail matched with the guide wheel is arranged on the driving disc.
As a preferable scheme of the system for accurately confirming the coal by using the RFID tag established on the digital twin system according to the present invention, wherein: the fixture block is provided with a hole matched with the rotating column, the driving piece comprises a first gear connected with the rotating column, a stepping motor arranged on the processing frame and a turntable connected with the stepping motor, the turntable is provided with gear teeth meshed with the first gear, and the gear teeth are arranged on one half of the arc surface of the outer side of the turntable.
As a preferable scheme of the system for accurately confirming the coal by using the RFID tag established on the digital twin system according to the present invention, wherein: the detection component comprises an RFID label remote writing module, a monitoring module connected with the RFID label remote writing module and an RFID reading module connected with the RFID label remote writing module, and the RFID reading module is electrically connected with a reminding module.
As a preferable scheme of the invention, the RFID tag-based accurate coal type confirmation system is established on a digital twin system, wherein: the RFID reading module is electrically connected with a visualization module, the visualization module is provided with a signal transmitting module, and the signal transmitting module comprises a wired connection module and a wireless transmission module.
The invention has the beneficial effects that: through increasing the RFID system, including RFID label and long-range write in with put in device and RFID reading device after, the internet of things has been used, the digital monitoring means of coal yard to the coal type of adding the storehouse has been promoted, the range of application of digital coal yard has been enlarged, can reach according to calculating the approximate result to what the coal type of adding the storehouse burns in the coal pulverizer at present, the accuracy is not enough, through this RFID device, when can verifying that the coal is got in the coal yard, the coal type requirement in the coal yard and the coal blending schedule is unanimous, the operation safety of coal pulverizer has been ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic diagram of the overall structure of an accurate coal type identification system using RFID tags, which is built on a digital twin system.
FIG. 2 is a schematic diagram of the structure of a pushing member of the present invention built on a digital twin system using an RFID tag precision coal identification system.
Fig. 3 is a schematic structural diagram of a launching component of an accurate coal type identification system using an RFID tag, which is built on a digital twin system according to the present invention.
Fig. 4 is a schematic view of a launching component of the precision coal type identification system using RFID tags, which is built on a digital twin system according to the present invention.
FIG. 5 is a schematic diagram of a detection component of the precision coal identification system using RFID tags, which is built on a digital twin system according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 to 5, the present invention discloses an accurate coal type identification system using RFID tags built on a digital twin system, comprising a transportation component 100, in this embodiment, the transportation component 100 comprises a coal hopper 101, the coal hopper 101 is used for receiving coal conveyed from a coal pile, and a coal conveying belt is arranged between the coal pile and the coal hopper 101, and an operator controls the coal conveying belt to convey the coal from the coal pile to the coal conveying belt, and then conveys the coal into the coal hopper 101 through a conveying action without the coal conveying belt.
Further, a conveying pipeline 102 is connected to the lower end of the coal hopper 101, the coal conveying pipeline 204 is arranged in the horizontal direction, and a scraper component 103 is arranged in the conveying pipeline 102, in this embodiment, the scraper component 103 comprises a scraper chain arranged in the coal conveying pipeline 204, and the scraper chain can convey and convey coal, can receive coal falling from the coal hopper 101, conveys the coal outwards, and conveys the coal at a constant speed.
Further, the invention also includes a monitoring assembly 200, in this embodiment, the monitoring assembly 200 includes a detecting component 201 disposed on the conveying pipeline 102, the detecting component 201 includes a digital twin system, the existing coal hopper 101 or coal pile is monitored by using the existing digital twin system, and simultaneously, required information such as photo shooting, weight detection, site, heat value, ash content and the like of the coal pile can be monitored and recorded, the conveying pipeline 102 is also provided with a coal taking component 202, and the coal taking component 202 is also provided with a throwing component 300.
Further, a coal feeder 203 is arranged at one end of the conveying pipeline 102, a coal conveying pipe 204 is arranged at one end of the conveying pipeline 102 close to the coal feeder 203, the coal conveying pipe 204 extends vertically downwards, and a coal mill 205 is arranged at the lower end of the coal conveying pipe 204, wherein an inclined conveying pipe is arranged at the lower end of the coal conveying pipe 204 and is connected with the coal mill 205.
Further, in this embodiment, the coal taking member 202 includes a connection sleeve 202a connected to one end of the conveying pipe 102, the connection sleeve 202a penetrates the transverse width of the conveying pipe 102, so that the coal conveyed in the conveying pipe 102 can be taken out for detection, a receiving box 202b is further disposed on the connection sleeve 202a, the receiving box 202b can receive the coal, a pushing member 206 is disposed inside the connection sleeve 202a, and the coal in the conveying pipe 102 can be conveyed into the receiving box 202b by the pushing member 206.
Preferably, in this embodiment, the pushing member 206 includes a first cylinder 206a disposed in the connecting sleeve 202a, the first cylinder 206a is disposed transversely, an output shaft end of the first cylinder 206a extends into the conveying pipe 102, a pushing plate 206b is disposed on the output shaft of the first cylinder 206a, the pushing plate 206b has an "L" shape in cross section, and a plurality of friction strips are disposed on the pushing plate 206b, so that when the pushing plate 206b pushes forwards, the coal briquette is pushed outwards and pushed into the receiving box 202 b.
Further, in this embodiment, the throwing member 300 includes a processing frame 301 disposed in the connection sleeve 202a, a distribution plate 302 is disposed on the processing frame 301, two delivery cylinders 303 are disposed on a lower surface of the distribution plate 302, the delivery cylinders 303 are disposed at edge positions of the distribution plate 302, a connecting line between the two delivery cylinders 303 is in a diameter direction of the distribution plate 302, an end cap 304 is disposed at a lower end of each delivery cylinder 303, the end cap 304 is rotatably connected to the delivery cylinder 303, so that the end cap 304 can open the delivery cylinder 303 or close a lower end opening 309 of the delivery cylinder 303, a rotating column 305 extends out from the lower end of the distribution plate 302, the rotating column 305 is disposed at a central position of the distribution plate 302 and is disposed in a vertical direction, a driving member 306 is disposed at a lower end of the rotating column 305, and the driving member 306 is used for driving the rotation of the distribution plate 302.
Furthermore, a material delivery box 307 is arranged on the processing frame 301, a material feeding pipe 308 extends out of the lower end of the material delivery box 307, an opening 309 matched with the material feeding pipe 308 is formed in the upper end of the material delivery cylinder 303, and when the distribution disc 302 rotates to the position of the material feeding pipe 308, the material in the material delivery box 307 can be input into the material delivery cylinder 303 through the material feeding pipe 308.
Further, a fixture block 400 is arranged on the processing frame 301, a driving disc 401 is fixed on the fixture block 400, a recessed portion 402 is formed in the driving disc 401, a driving strip 403 extends out of the end cover 304, a guide wheel 404 is arranged on the driving strip 403, a sliding rail matched with the guide wheel 404 is formed in the driving disc 401 and extends to the recessed portion 402, and the guide wheel 404 cannot be separated from the sliding rail all the time.
Further, an opening matched with the rotation column 305 is formed in the fixture block 400, in this embodiment, the driving member 306 includes a first gear 306a connected to the rotation column 305, a rotation plane of the first gear 306a is horizontally disposed, the processing frame 301 is fixed with a stepping motor 306b, the stepping motor 306b is vertically disposed, a turntable 306c is disposed on a motor shaft of the stepping motor 306b, a gear tooth 306d engaged with the first gear 306a is disposed on the turntable 306c, and the gear tooth 306d is disposed on an outer half arc surface of the turntable 306c, so that the rotation of the turntable 306c can intermittently drive the rotation of the first gear 306a, and further intermittently drive the rotation of the dispensing disc 302.
Further, in this embodiment, the detection component 201 includes an RFID tag remote writing module 201a, a monitoring module 201b connected to the RFID tag remote writing module 201a, and an RFID reading module 201c connected to the RFID tag remote writing module 201a, and the RFID reading module 201c is electrically connected to a reminding module 201d.
The RFID reading module 201c is electrically connected with the visualization module 500, the visualization module 500 is provided with a signal transmitting module 501, and in this embodiment, the signal transmitting module 501 includes a wired connection module 501a and a wireless transmission module 501b.
The operation process comprises the following steps: an operator can start the stepping motor 306b to enable the turntable 306c to drive the first gear 306a to rotate, enable the first gear 306a to intermittently rotate, enable the distribution plate 302 to intermittently rotate, enable the guide wheel 404 at the rear end of the end cover 304 to move on the driving plate 401 by driving the conveying cylinder 303 to rotate, enable the guide wheel 404 to always move in the sliding rail, and enable the height of the guide wheel 404 to change when the guide wheel moves to the concave part 402, and further enable the end cover 304 to swing downwards, so that the end cover 304 is opened to convey coal, and when the guide wheel moves to other positions, the height of the guide wheel 404 changes downwards to enable the end cover 304 to be closed.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (8)

1. An accurate coal type confirmation system using RFID tags, which is built on a digital twin system, is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the transportation assembly (100) comprises a coal hopper (101), a transportation pipeline (102) connected with the lower end of the coal hopper (101), and a scraper component (103) arranged in the transportation pipeline (102); and the number of the first and second groups,
the monitoring assembly (200) comprises a detection component (201) arranged on the conveying pipeline (102), a coal taking piece (202) arranged on the conveying pipeline (102) and a throwing component (300) arranged on the coal taking piece (202).
2. The system for accurately confirming the coal by using the RFID tag built on the digital twin system as claimed in claim 1, wherein: a coal feeder (203) is arranged at one end of the conveying pipeline (102), a coal conveying pipe (204) is arranged at one end of the conveying pipeline (102) close to the coal feeder (203), a coal mill (205) is arranged at the lower end of the coal conveying pipe (204),
the coal pulverizer is characterized in that an inclined conveying pipe is arranged at the lower end of the coal conveying pipe (204), and the inclined conveying pipe is connected with the coal pulverizer (205).
3. The system for accurately confirming the coal by using the RFID tag built on the digital twin system as claimed in claim 1, wherein: the coal taking piece (202) comprises a connecting sleeve (202 a) connected with one end of the conveying pipeline (102), a bearing box (202 b) arranged in the connecting sleeve (202 a) and a pushing piece (206) arranged inside the connecting sleeve (202 a),
wherein, the pushing piece (206) comprises a first air cylinder (206 a) arranged in the connecting sleeve (202 a), a pushing plate (206 b) arranged on the output shaft of the first air cylinder (206 a) and a plurality of friction strips arranged on the pushing plate (206 b).
4. The system for accurately confirming the coal type by applying the RFID tag on the digital twin system as claimed in claim 1 or 3, wherein: the throwing component (300) comprises a processing frame (301) arranged in a connecting sleeve (202 a), a distribution disc (302) rotationally connected to the processing frame (301), a conveying cylinder (303) arranged on the lower surface of the distribution disc (302) and an end cover (304) arranged at the lower end of the conveying cylinder (303), the end cover (304) is rotationally connected with the conveying cylinder (303), the lower end of the distribution disc (302) extends out of a rotating column (305), a driving piece (306) is arranged at the lower end of the rotating column (305),
the processing frame (301) is provided with a material conveying box (307), the lower end of the material conveying box (307) extends out of a material conveying pipe (308), and the upper end of the conveying cylinder (303) is provided with an opening (309) matched with the material conveying pipe (308).
5. The system for precisely identifying the coal types by using the RFID tags built on the digital twin system as claimed in claim 4, wherein: the processing frame (301) is provided with a fixture block (400), a driving disc (401) is fixed on the fixture block (400), a concave portion (402) is formed in the driving disc (401), a driving strip (403) extends out of the end cover (304), a guide wheel (404) is arranged on the driving strip (403), and a sliding rail matched with the guide wheel (404) is formed in the driving disc (401).
6. The system for accurately confirming the coal by using the RFID tag built on the digital twin system as claimed in claim 5, wherein: the fixture block (400) is provided with an opening matched with the rotating column (305), the driving piece (306) comprises a first gear (306 a) connected with the rotating column (305), a stepping motor (306 b) arranged on the processing frame (301) and a turntable (306 c) connected with the stepping motor (306 b), the turntable (306 c) is provided with a gear tooth (306 d) meshed with the first gear (306 a), and the gear tooth (306 d) is arranged on one half of the arc surface of the outer side of the turntable (306 c).
7. The system for accurately confirming the coal by using the RFID tag built on the digital twin system as claimed in claim 1, wherein: the detection component (201) comprises an RFID label remote writing module (201 a), a monitoring module (201 b) connected with the RFID label remote writing module (201 a) and an RFID reading module (201 c) connected with the RFID label remote writing module (201 a), wherein the RFID reading module (201 c) is electrically connected with a reminding module (201 d).
8. The system for accurately confirming the coal type by using the RFID tag built on the digital twin system as claimed in claim 6 or 7, wherein: the RFID reading module (201 c) is electrically connected with a visualization module (500), a signal transmitting module (501) is arranged on the visualization module (500), and the signal transmitting module (501) comprises a wired connection module (501 a) and a wireless transmission module (501 b).
CN202211294712.XA 2022-10-21 2022-10-21 Precise coal type confirmation system established on digital twin system and applying RFID (radio frequency identification) label Pending CN115724150A (en)

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CN210954018U (en) * 2019-10-09 2020-07-07 华电莱州发电有限公司 On-line monitoring system for coal quality in furnace for real-time operation control
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