CN111715354A - Online detection device and detection method for abrasion of lining plate of vertical stirring mill - Google Patents
Online detection device and detection method for abrasion of lining plate of vertical stirring mill Download PDFInfo
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- CN111715354A CN111715354A CN202010410293.6A CN202010410293A CN111715354A CN 111715354 A CN111715354 A CN 111715354A CN 202010410293 A CN202010410293 A CN 202010410293A CN 111715354 A CN111715354 A CN 111715354A
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- 238000003756 stirring Methods 0.000 title claims abstract description 65
- 238000005299 abrasion Methods 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000000126 substance Substances 0.000 claims abstract description 30
- 239000000945 filler Substances 0.000 claims abstract description 23
- 239000000049 pigment Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/1805—Monitoring devices for tumbling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Crushing And Grinding (AREA)
Abstract
An on-line detection device and a detection method for abrasion of a lining plate of a vertical stirring mill relate to the field of on-line detection of mining equipment, three special elements are embedded in a rapid abrasion area on a lower layer lining plate of a spiral lining plate, two special elements are embedded in a medium-speed abrasion area on a middle lining plate of the spiral lining plate, one special element is embedded in a low-speed abrasion area on an upper layer lining plate of the spiral lining plate, the special elements are respectively arranged along the vertical direction of a main shaft, and each special element comprises a shell and filler filled in the inner cavity of the shell; the filler filled in the special elements of the lower lining plate, the middle lining plate and the upper lining plate is fluorescent substance or oil substance; the industrial camera is fixed above the observation hole of the stirring mill through a bracket, a laser is also arranged on the bracket, and the industrial camera is connected with the intelligent control server through an image processing workstation; the invention has simple structure and convenient operation, does not need shutdown detection during detection, and avoids the condition that the production is influenced by the shutdown detection through online detection of the abrasion of the lining plate.
Description
Technical Field
The invention relates to the field of on-line detection of mining equipment, in particular to an on-line detection device and a detection method for abrasion of a lining plate of a vertical stirring mill.
Background
As is well known, a vertical agitator mill is used as a fine grinding apparatus, and has been gradually applied to domestic mine concentrate regrinding and tailing regrinding processes in recent years. The equipment is vertically installed, and compared with the traditional horizontal ball mill, the equipment has the advantages of high efficiency, energy conservation, good product granularity distribution, low abrasion, low noise, small vibration, small occupied area, simple foundation, short installation period, long service life, high reliability and the like.
The lining plate is an important component of the vertical stirring mill, the shape of the lining plate has great influence on the ore milling efficiency and the ore milling operation cost, and the mastering of the abrasion state of the lining plate is also important for determining the replacement time of the lining plate. At present, the mode commonly used at home and abroad is the shutdown manual mill starting detection, the shutdown time is long, the equipment operation rate is influenced, and the field production is influenced; because the stirring mill is a metal cylinder body, the magnetic lining plate is arranged on the cylinder body, part of broken steel balls are dynamically adsorbed on the lining plate of the cylinder body to form a protective layer, the inside of the whole cylinder body of the stirring mill is a closed magnetic metal space, and a sensor cannot be arranged in the stirring mill, the existing wireless transmission technology is difficult to penetrate through the stirring mill cylinder body and the lining plate, the wired transmission technology is difficult to be used in the mill, so that the internal signal output of the mill cannot be realized, and an online detection method for the abrasion of the lining plate of the stirring mill is not developed.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an online detection device and a detection method for wear of a lining plate of a vertical stirring mill.
In order to realize the purpose, the invention adopts the following technical scheme:
an online abrasion detection device for a lining plate of a vertical stirring mill comprises a spiral lining plate, an industrial camera, an image processing workstation and an intelligent control server, wherein the spiral lining plate is arranged in a vertical stirring mill cylinder body through a vertical stirring mill main shaft;
embedding three special elements in a quick wear region on a lower lining plate of a spiral lining plate, embedding two special elements in a medium-speed wear region on a middle lining plate of the spiral lining plate, and embedding one special element in a low-speed wear region on an upper lining plate of the spiral lining plate, wherein the special elements are respectively arranged along the vertical direction of a main shaft and comprise a shell and filler filled in an inner cavity of the shell;
wherein, the filler filled in the special elements of the lower lining plate, the middle lining plate and the upper lining plate is fluorescent substance or oil substance;
the industrial camera is fixed above the observation hole of the stirring mill through a support, a laser is further arranged on the support, and the industrial camera is connected with the intelligent control server through an image processing workstation.
The abrasion on-line detection device for the lining plate of the vertical stirring mill is characterized in that the shell is a metal wear-resistant shell.
An on-line detection method for abrasion of a lining plate of a vertical stirring mill comprises the following specific operation steps:
(1) embedding three special elements in a quick wear region on a lower-layer lining plate of a spiral lining plate, embedding two special elements in a medium-speed wear region on a middle lining plate, wherein the special elements are respectively arranged at intervals along the vertical direction of a main shaft, embedding one special element in a low-speed wear region on an upper-layer lining plate, the special elements are respectively arranged along the vertical direction of the main shaft, and the special elements and the spiral lining plate are worn at the same time;
(2) when the fillers are fluorescent substances, irradiating by a laser on a bracket of an observation hole of the stirring mill, photographing ore pulp on the inner surface layer of the stirring mill in real time by an industrial camera on the bracket, and transmitting image information to a data processing workstation; when the filler is oil substances, the industrial camera transmits image information to the data processing workstation, and the image information is judged according to the time sequence according to different positions and different abrasion time; when the filler is oil substances, pigments or pigments with different colors are added into the oil substances, the pigments or pigments are respectively embedded into the lower-layer lining plate, the middle-layer lining plate and the upper-layer lining plate according to special elements of the oil substances with different colors, and the industrial camera transmits image information to the data processing workstation;
(3) after the data processing workstation acquires the image information, processing the image information, and determining the position of the abrasion of the spiral lining plate in the stirring mill by comparing the surface layer image of the normal ore pulp with the surface layer image after the change;
(4) and the abrasion information of the data processing workstation is sent to the intelligent control server, the operating condition of the current stirring mill is wholly judged through the abrasion state of the lining plate, the abrasion state of the lining plate of the stirring mill and the replacement time of the lining plate are determined, and the operating condition of the stirring mill is judged according to the abrasion state, so that the steel ball is added, and the rotating speed of the motor is controlled in real time.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. according to the online detection device and the detection method for the abrasion of the lining plate of the vertical stirring mill, special elements are embedded in the upper layer lining plate, the middle layer lining plate and the lower layer lining plate, images are acquired through an industrial camera and are transmitted to the intelligent control server 7 through the data processing workstation 6, a reliable basis is provided for the replacement of the lining plate, the damage of the excessive abrasion of the lining plate to a stirring mill main shaft is avoided, meanwhile, real-time support data are provided for an intelligent control system, the operation of the stirring mill can be adjusted online, the addition of steel balls is optimized, the rotating speed of a mill motor is optimized, and the mill is enabled to operate more stably and save energy.
2. The invention has simple structure and convenient operation, does not need shutdown detection during detection, and avoids the condition that the production is influenced by the shutdown detection through online detection of the abrasion of the lining plate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention with special elements embedded in the spiral liner plate;
FIG. 3 is a schematic diagram of the structure of a particular element of the present invention;
in the figure: 1. a vertical stirring mill cylinder body; 2. a vertical stirring mill main shaft; 3. a spiral lining plate; 4. a special element; 5. an industrial camera; 6. an image processing workstation; 7. an intelligent control server; 8. a fast wear area; 9. a medium speed wear zone; 10. a low-speed wear region; 11. a housing.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
The online detection device for the abrasion of the lining plate of the vertical stirring mill, which is combined with the attached drawings 1-3, comprises a spiral lining plate 3, an industrial camera 5, an image processing workstation 6 and an intelligent control server 7, wherein the spiral lining plate 3 is arranged in a vertical stirring mill barrel body 1 through a vertical stirring mill main shaft 2;
three special elements 4 are embedded in a quick wear area 8 on a lower lining plate of a spiral lining plate 3, two special elements 4 are embedded in a medium-speed wear area 9 on a middle lining plate of the spiral lining plate, one special element 4 is embedded in a low-speed wear area 10 on an upper lining plate of the spiral lining plate, the special elements 4 are respectively arranged along the vertical direction of a main shaft, and each special element 4 comprises a shell 11 and filler filled in the inner cavity of the shell 11;
wherein, the filler filled in the special elements 4 of the lower lining plate, the middle lining plate and the upper lining plate is fluorescent substance or oil substance;
the industrial camera 5 is fixed above the observation hole of the stirring mill through a support, a laser is further arranged on the support, and the industrial camera 5 is connected with the intelligent control server 7 through the image processing workstation 6.
In the device for detecting the abrasion of the lining plate of the vertical stirring mill on line, the shell 11 is a metal wear-resistant shell.
An on-line detection method for abrasion of a lining plate of a vertical stirring mill comprises the following specific operation steps:
(1) three special elements 4 are embedded in a quick wear area 8 on a lower-layer lining plate of a spiral lining plate 3, two special elements 4 are embedded in a medium-speed wear area 9 on a middle lining plate, the special elements 4 are respectively arranged at intervals along the vertical direction of a main shaft, one special element 4 is embedded in a low-speed wear area 10 on an upper-layer lining plate, the special elements 4 are respectively arranged along the vertical direction of the main shaft, and the special elements 4 and the spiral lining plate 3 are worn at the same time;
(2) when the filler is fluorescent substance, the filler is irradiated by a laser on a bracket of an observation hole of the stirring mill, the ore pulp on the inner surface layer of the stirring mill is photographed by an industrial camera 5 on the bracket in real time, and image information is transmitted to a data processing workstation 6; when the filler is oil substances, the industrial camera 5 transmits image information to the data processing workstation 6, and the image information is judged according to the time sequence according to different positions and different abrasion time; when the filler is oil substances, pigments or pigments with different colors are added into the oil substances, the pigments or pigments are respectively embedded into a lower lining plate, a middle lining plate and an upper lining plate according to special elements 4 of the oil substances with different colors, and an industrial camera 5 transmits image information to a data processing workstation 6;
(3) after the data processing workstation 6 acquires the image information, processing the image information, and determining the position of the worn spiral lining plate 3 in the stirring mill by comparing the surface layer image of the normal ore pulp with the surface layer image after the change;
(4) and the abrasion information of the data processing workstation 6 is sent to the intelligent control server 7, the operating condition of the current stirring mill is wholly judged through the abrasion state of the lining plate, the abrasion state of the lining plate of the stirring mill and the replacement time of the lining plate are determined, and the operating condition of the stirring mill is judged according to the abrasion state, so that the steel ball is added, and the rotating speed of the motor is controlled in real time.
By implementing the online detection device and the online detection method for the abrasion of the lining plate of the vertical stirring mill,
embedding special elements 4 in a spiral lining plate 3, wherein three special elements 4 are embedded at intervals in a quick wear area 8 on the lower lining plate of the spiral lining plate 3 because the wear speed of the lower lining plate is high, two special elements 4 are embedded at intervals in a medium speed wear area 9 on the middle lining plate with the lower wear speed lower than that of the lower lining plate, one special element 4 is embedded in a low speed wear area 10 on the upper lining plate with the slowest wear speed, the special elements 4 are respectively arranged along the vertical direction of a main shaft, and each special element 4 is provided with a metal wear-resistant shell 11 and is worn with the spiral lining plate 3 at the same time;
the fillers in the special element 4 are fluorescent substances or oil substances, when the fillers are fluorescent substances, the fillers are irradiated by a laser on a stirring mill observation hole bracket, the ore pulp on the inner surface layer of the stirring mill is photographed by an industrial camera 5 on the bracket in real time, and image information is transmitted to a data processing workstation 6; when the filler is oil substances, the industrial camera 5 transmits image information to the data processing workstation 6, and the image information is judged according to the time sequence according to different positions and different abrasion time; when the filler is oil substances, pigments or pigments with different colors are added into the oil substances, the pigments or pigments are respectively embedded into a lower lining plate, a middle lining plate and an upper lining plate according to special elements 4 of the oil substances with different colors, and an industrial camera 5 transmits image information to a data processing workstation 6;
after the data processing workstation 6 acquires the image information, processing the image information, and determining the position of the worn spiral lining plate 3 in the stirring mill by comparing the surface layer image of the normal ore pulp with the surface layer image after the change; the abrasion information of the data processing workstation 6 is sent to the intelligent control server 7, the intelligent control server 7 judges the running state of the stirring mill according to the current, power and other conditions of the stirring mill, when the vertical stirring mill is normally started and operated, the online liner abrasion detection system of the vertical stirring mill is started to work, and when the system is abnormally operated, the online liner abrasion detection system is not started;
the intelligent control server 7 comprehensively judges according to the received information condition of the image processing workstation 6, integrally judges the operating condition of the existing stirring mill according to the abrasion state of the spiral lining plate 3, determines the abrasion state of the lining plate of the stirring mill and the replacement time of the lining plate, judges the operating condition of the stirring mill according to the abrasion state, and accordingly performs real-time control on the addition of steel balls and the rotating speed of a motor, and achieves intelligent control of the stirring mill.
The present invention is not described in detail in the prior art.
The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.
Claims (3)
1. The utility model provides a vertical stirring mill welt wearing and tearing on-line measuring device, includes spiral welt, industry camera, image processing workstation and intelligent control server, and the spiral welt is installed in vertical stirring mill barrel through vertical stirring mill main shaft, characterized by: embedding three special elements in a quick wear region on a lower lining plate of a spiral lining plate, embedding two special elements in a medium-speed wear region on a middle lining plate of the spiral lining plate, and embedding one special element in a low-speed wear region on an upper lining plate of the spiral lining plate, wherein the special elements are respectively arranged along the vertical direction of a main shaft and comprise a shell and filler filled in an inner cavity of the shell;
wherein, the filler filled in the special elements of the lower lining plate, the middle lining plate and the upper lining plate is fluorescent substance or oil substance;
the industrial camera is fixed above the observation hole of the stirring mill through a support, a laser is further arranged on the support, and the industrial camera is connected with the intelligent control server through an image processing workstation.
2. The vertical stirring mill lining plate abrasion online detection device as claimed in claim 1, wherein: the shell is a metal wear-resistant shell.
3. An on-line detection method for abrasion of a lining plate of a vertical stirring mill is characterized by comprising the following steps: the specific operation steps are as follows:
(1) embedding three special elements in a quick wear region on a lower-layer lining plate of a spiral lining plate, embedding two special elements in a medium-speed wear region on a middle lining plate, wherein the special elements are respectively arranged at intervals along the vertical direction of a main shaft, embedding one special element in a low-speed wear region on an upper-layer lining plate, the special elements are respectively arranged along the vertical direction of the main shaft, and the special elements and the spiral lining plate are worn at the same time;
(2) when the fillers are fluorescent substances, irradiating by a laser on a bracket of an observation hole of the stirring mill, photographing ore pulp on the inner surface layer of the stirring mill in real time by an industrial camera on the bracket, and transmitting image information to a data processing workstation; when the filler is oil substances, the industrial camera transmits image information to the data processing workstation, and the image information is judged according to the time sequence according to different positions and different abrasion time; when the filler is oil substances, pigments or pigments with different colors are added into the oil substances, the pigments or pigments are respectively embedded into the lower-layer lining plate, the middle-layer lining plate and the upper-layer lining plate according to special elements of the oil substances with different colors, and the industrial camera transmits image information to the data processing workstation;
(3) after the data processing workstation acquires the image information, processing the image information, and determining the position of the abrasion of the spiral lining plate in the stirring mill by comparing the surface layer image of the normal ore pulp with the surface layer image after the change;
(4) and the abrasion information of the data processing workstation is sent to the intelligent control server, the operating condition of the current stirring mill is wholly judged through the abrasion state of the lining plate, the abrasion state of the lining plate of the stirring mill and the replacement time of the lining plate are determined, and the operating condition of the stirring mill is judged according to the abrasion state, so that the steel ball is added, and the rotating speed of the motor is controlled in real time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010410293.6A CN111715354B (en) | 2020-05-15 | 2020-05-15 | Online detection device and detection method for abrasion of lining plate of vertical stirring mill |
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| CN202010410293.6A CN111715354B (en) | 2020-05-15 | 2020-05-15 | Online detection device and detection method for abrasion of lining plate of vertical stirring mill |
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| CN111715354A true CN111715354A (en) | 2020-09-29 |
| CN111715354B CN111715354B (en) | 2022-02-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742591A (en) * | 2020-11-30 | 2021-05-04 | 洛阳矿山机械工程设计研究院有限责任公司 | Intelligent control system and method for vertical stirring mill |
| DE112022000512T5 (en) | 2021-09-29 | 2024-02-29 | Nikolay Ovcharenko | Method and device for controlling the operation of shredding plants |
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2020
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| CN2805925Y (en) * | 2005-04-28 | 2006-08-16 | 沈阳重型机械集团有限责任公司 | Large-sized vertical roll mill |
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| CN111715354B (en) | 2022-02-15 |
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