CN111623701A - Online abrasion detection method for lining plate bottom plate of ball mill - Google Patents
Online abrasion detection method for lining plate bottom plate of ball mill Download PDFInfo
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- CN111623701A CN111623701A CN202010341426.9A CN202010341426A CN111623701A CN 111623701 A CN111623701 A CN 111623701A CN 202010341426 A CN202010341426 A CN 202010341426A CN 111623701 A CN111623701 A CN 111623701A
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- ball mill
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- lining plate
- barrel
- detection method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
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Abstract
An online detection method for abrasion of a liner plate bottom plate of a ball mill relates to an online detection method, and comprises a ball mill cylinder and a cylinder liner plate fixed on the inner surface of the ball mill cylinder, and the online detection method comprises the following specific operation steps: sensors are embedded in through holes in the bottom plate of the cylinder liner plate, T-shaped holes are machined in screw portions of bolts for fixing the cylinder liner plate and the ball mill cylinder, and sensor leads of the sensors are led out of the T-shaped holes of the bolts through grooves in the bottom of the cylinder liner plate and are connected with a signal transmitter extending out of the head of the bolt 4 of the ball mill cylinder; placing a signal receiver around the ball mill, wherein the signal receiver is communicated with a programmable controller or an industrial personal computer through a receiver serial port; the invention solves the problem that the traditional detection method needs large workload of manual shutdown detection and long shutdown time to influence production; and according to the data of the abrasion of the lining plate bottom plate, the service life of the lining plate of the cylinder body is estimated, the number of times that workers regularly enter the mill to check the thickness of the lining plate bottom plate is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of online detection of wear of a lining plate, in particular to an online detection method for wear of a lining plate bottom plate of a ball mill.
Background
As is known, a ball mill is a horizontally installed grinding device, and after a material with a certain particle size is ground by the ball mill, the particle size of the material meets the requirement of process fineness, so that the ball mill is widely applied to the industries of mineral separation, ceramics, chemical engineering, cement, glass, refractory materials and the like.
The ball mill can be divided into a transmission part and a barrel part, a lining plate mounting hole is formed in the barrel of the ball mill, a wear-resistant lining plate is laid on the surface of the inner wall of the barrel, and the wear-resistant lining plate is fixedly connected inside the barrel through bolts. During normal work, a certain amount of steel balls are filled in the mill and serve as grinding media, the transmission part drives the barrel part to rotate, the grinding media and materials fully act when the mill rotates, so that the effect of crushing and grinding the materials is achieved, and meanwhile, the lining plate serves as a protective layer of the barrel and is also impacted and ground by the grinding media and the materials. In the use process of the ball mill, the ball mill needs to be stopped periodically to check the residual thickness of the lining plate, and the purchasing and replacing plan of the lining plate is arranged in time according to the situation of the residual thickness of the lining plate, so that the production accidents of slurry leakage, damage to a mill cylinder body and the like caused by too much abrasion of the lining plate are avoided.
The liner plate is an important spare part of the ball mill, the measurement of the abrasion of the liner plate is important for the use and maintenance of the ball mill, the shape of the liner plate has great influence on the ore grinding efficiency and the ore grinding operation cost, particularly, the thickness of the liner plate is directly related to slurry leakage and abrasion of a cylinder body in the detection of the thickness of the liner plate, and the mastering of the abrasion state of the liner plate bottom plate is important for determining the replacement time of the liner plate.
In the prior industry, after equipment is stopped, people enter a mill to measure the thickness of a lining plate bottom plate; the method has long downtime and affects the production efficiency, and no effective online detection system for the thickness of the substrate exists at present.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an online detection method for abrasion of a liner plate bottom plate of a ball mill.
In order to realize the purpose, the invention adopts the following technical scheme:
the online detection method for the abrasion of the lining plate bottom plate of the ball mill comprises a ball mill cylinder and a cylinder lining plate fixed on the inner surface of the ball mill cylinder, and comprises the following specific operation steps:
(1) through holes are formed in the two sides of the bolt holes of the barrel lining plate and are positioned at the bottom plate of the barrel lining plate, sensors are embedded in the through holes, and the probe end surfaces of the sensors are flush with the wear surface of the barrel lining plate;
(2) processing T-shaped holes on the screw part of the bolt for fixing the barrel lining plate and the ball mill barrel, leading out a sensor lead of a sensor in the T-shaped hole of the bolt through a groove at the bottom of the barrel lining plate, and connecting the sensor lead with a signal emitter extending out of the head of the bolt 4 of the ball mill barrel;
(3) and a signal receiver is arranged around the ball mill and is communicated with the programmable controller or the industrial personal computer through a receiver serial port.
According to the online detection method for abrasion of the liner plate bottom plate of the ball mill, a transverse through hole is formed in the outer circular surface of the root of a screw rod of a bolt, a longitudinal long hole is formed from the center of the front end surface of the screw rod to the root of the screw rod, and the long hole is communicated with the through hole to form the T-shaped hole.
According to the online detection method for the abrasion of the liner plate bottom plate of the ball mill, the head of a screw rod of a bolt is fixedly provided with a connecting plate, and the connecting plate is fixedly connected with a signal emitter.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention relates to an online detection method for abrasion of a liner plate bottom plate of a ball mill, which comprises the steps of embedding a sensor in a liner plate bottom plate of a cylinder of the ball mill, enabling the sensor to be abraded synchronously with the bottom plate, enabling the thickness change of the liner plate bottom plate to be consistent with the length change of the sensor, converting a physical change signal of the length of the sensor into an electric signal, transmitting the electric signal to a signal transmitter through a sensor lead, and displaying the residual height of the sensor, namely the thickness of the liner plate bottom plate, on a display screen of an industrial personal computer after the electric signal is received by; the invention solves the problems that the traditional detection method needs large workload of shutdown manual detection and the production is influenced by long shutdown time; and according to the data of the abrasion of the lining plate bottom plate, the service life of the lining plate of the cylinder body is estimated, the lining plate is accurately scheduled and the production and maintenance matters are accurately arranged, the number of times of checking the thickness of the lining plate bottom plate in a grinding mill by manpower is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation location of the sensor of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the construction of the bolt penetration sensor lead of the present invention;
in the figure: 1. a ball mill cylinder; 2. a cylinder liner plate; 3. a sensor; 4. a bolt; 5. a signal transmitter; 6. a signal receiver; 201. a groove; 301. a sensor lead; 601. and the receiver is connected with a serial port.
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 method for the abrasion of the lining plate bottom plate of the ball mill, which is combined with the attached drawings 1-4, comprises a ball mill cylinder 1 and a cylinder lining plate 2 fixed on the inner surface of the ball mill cylinder 1, and the specific operation steps are as follows:
(1) through holes are formed in the two sides of the bolt holes of the barrel lining plate 2 and are positioned on the bottom plate of the barrel lining plate 2, the sensors 3 are embedded in the through holes, and the probe end surfaces of the sensors 3 are flush with the wear surface of the barrel lining plate 2;
(2) processing a T-shaped hole on a screw part of a bolt 4 for fixing the barrel lining plate 2 and the ball mill barrel 1, leading out a sensor lead 301 of a sensor 3 in the T-shaped hole of the bolt 4 through a groove 201 at the bottom of the barrel lining plate 2, and connecting the sensor lead with a signal emitter 5 extending out of the head of the bolt 4 of the ball mill barrel 1;
(3) and a signal receiver 6 is arranged around the ball mill, and the signal receiver 6 is connected with a programmable controller or an industrial personal computer through a receiver serial port 601.
According to the online detection method for abrasion of the liner plate bottom plate of the ball mill, a transverse through hole is formed in the outer circular surface of the root of a screw rod of a bolt 4, a longitudinal long hole is formed from the center of the front end surface of the screw rod to the root of the screw rod, and the long hole is communicated with the through hole to form the T-shaped hole.
According to the online detection method for the abrasion of the liner plate bottom plate of the ball mill, the head of a screw rod of a bolt 4 is fixedly provided with a connecting plate, and the connecting plate is fixedly connected with a signal emitter 5.
When the online abrasion detection method for the liner plate bottom plate of the ball mill is implemented, a sensor 3 is embedded into a through hole formed in the bottom plate of a cylinder liner plate 2, the rear end face of the sensor 3 is flush with the abrasion surface of the cylinder liner plate 2, a sensor lead 301 is led out from a T-shaped hole of a bolt 4 through a groove 201 in the bottom of the cylinder liner plate 2, and the end of the led sensor lead 301 is connected with a signal emitter 5 at the head of a screw of the bolt 4; during the working process of the ball mill, the barrel lining plate 2 is gradually worn, when the probe of the sensor 3 and the barrel lining plate 2 are worn simultaneously, the physical length of the wear of the probe of the sensor 3 is converted into an electric signal, the electric signal is subjected to A/D conversion in the signal generator 5, the electric signal is converted into readable data after being processed by a module and is sent to the periphery at a certain frequency, the data is received by the signal receiver 6 and can be displayed on a screen on site, and can also be transmitted to a programmable controller or an industrial personal computer through the receiver serial port 601, and the final bottom plate wear data is displayed on the display screen.
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 online detection method for the abrasion of the lining plate bottom plate of the ball mill comprises a ball mill barrel and a barrel lining plate fixed on the inner surface of the ball mill barrel, and is characterized in that: the specific operation steps are as follows:
(1) through holes are formed in the two sides of the bolt holes of the barrel lining plate and are positioned at the bottom plate of the barrel lining plate, sensors are embedded in the through holes, and the probe end surfaces of the sensors are flush with the wear surface of the barrel lining plate;
(2) processing T-shaped holes on the screw part of the bolt for fixing the barrel lining plate and the ball mill barrel, leading out a sensor lead of a sensor in the T-shaped hole of the bolt through a groove at the bottom of the barrel lining plate, and connecting the sensor lead with a signal emitter extending out of the head of the bolt 4 of the ball mill barrel;
(3) and a signal receiver is arranged around the ball mill and is communicated with the programmable controller or the industrial personal computer through a receiver serial port.
2. The online detection method for the abrasion of the bottom plate of the lining plate of the ball mill as claimed in claim 1, which is characterized in that: the outer circle surface of the root of the screw of the bolt is provided with a transverse through hole, the center of the front end surface of the screw to the root of the screw is provided with a longitudinal long hole, and the long hole is communicated with the through hole to form the T-shaped hole.
3. The online detection method for the abrasion of the bottom plate of the lining plate of the ball mill as claimed in claim 1, which is characterized in that: the head of the screw of the bolt is fixedly provided with a connecting plate which is fixedly connected with the signal emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341426.9A CN111623701A (en) | 2020-04-27 | 2020-04-27 | Online abrasion detection method for lining plate bottom plate of ball mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010341426.9A CN111623701A (en) | 2020-04-27 | 2020-04-27 | Online abrasion detection method for lining plate bottom plate of ball mill |
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| CN111623701A true CN111623701A (en) | 2020-09-04 |
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| CN202010341426.9A Pending CN111623701A (en) | 2020-04-27 | 2020-04-27 | Online abrasion detection method for lining plate bottom plate of ball mill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499350A (en) * | 2023-06-30 | 2023-07-28 | 沈阳智谷科技有限公司 | Sensing circuit, sensing equipment and method for online measuring abrasion loss of mill lining plate |
| CN117380349A (en) * | 2023-12-07 | 2024-01-12 | 沈阳智谷科技有限公司 | Method for online measuring abrasion loss of lining plate of mill |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993000997A1 (en) * | 1991-07-12 | 1993-01-21 | Skega Ab | An arrangement for registering wear in the lining of a rotary mill drum |
| US7172144B1 (en) * | 2006-03-09 | 2007-02-06 | Dennis Slater | System for measuring wear in a grinding mill |
| US20070163325A1 (en) * | 2004-02-27 | 2007-07-19 | Sudarshan Martins | Method and device for sensing wear |
| WO2007101319A1 (en) * | 2006-03-09 | 2007-09-13 | Dennis Slater | System for remotely measuring and monitoring wear in a grinding mill |
| CN101393014A (en) * | 2008-10-30 | 2009-03-25 | 昆明理工大学 | Thickness alarm unit for lining-board of ball grinding machine |
| WO2013116954A1 (en) * | 2012-02-07 | 2013-08-15 | Industrial Support Company Ltda | Online electronic wear-sensor bolt comprising a device having a transducer and an anti-vibration part that includes a cpu, an antistatic material and an rf transmitter |
| US20140150524A1 (en) * | 2010-12-14 | 2014-06-05 | Universidad De Santiago De Chile | Real-Time Monitoring System to Determine Wear of Grate Ribs in Semi-Autogenous Mills, to Detect Clogging Conditions of the Grates During the Operation and to Detect Working Conditions Under Direct Impact of the Balls on the Grates |
| US20170050769A1 (en) * | 2015-08-17 | 2017-02-23 | Dash Llc | Assemblies including plug devices, and related plug devices and methods |
| CN107297253A (en) * | 2017-06-28 | 2017-10-27 | 中信重工机械股份有限公司 | Can detect mill of welt wearing and tearing |
| CN207779327U (en) * | 2017-12-29 | 2018-08-28 | 付贝宁 | A kind of detection sensor of part of appliance wear-thickness |
| CN110508388A (en) * | 2019-08-28 | 2019-11-29 | 中信重工机械股份有限公司 | A kind of grinding machine monitoring system based on lifting strip height detection |
| US20190381511A1 (en) * | 2018-06-18 | 2019-12-19 | Servicios Y Consultorias Hendaya S.A. | Liner assembly for ore grinding mill |
| CN110694784A (en) * | 2019-10-29 | 2020-01-17 | 中信重工机械股份有限公司 | Real-time monitoring device for abrasion loss of lining plate of mill |
| CN110732384A (en) * | 2019-10-29 | 2020-01-31 | 中信重工机械股份有限公司 | data acquisition and emission device for detecting abrasion loss of lining plate of mill |
| AU2018329974A1 (en) * | 2017-09-07 | 2020-04-23 | Senstech SPA. | System for in-line measurement of mill liner wear and mill bolt tension by means of an echographic sensor inserted into the threaded end of bolts |
-
2020
- 2020-04-27 CN CN202010341426.9A patent/CN111623701A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993000997A1 (en) * | 1991-07-12 | 1993-01-21 | Skega Ab | An arrangement for registering wear in the lining of a rotary mill drum |
| US20070163325A1 (en) * | 2004-02-27 | 2007-07-19 | Sudarshan Martins | Method and device for sensing wear |
| US7172144B1 (en) * | 2006-03-09 | 2007-02-06 | Dennis Slater | System for measuring wear in a grinding mill |
| WO2007101319A1 (en) * | 2006-03-09 | 2007-09-13 | Dennis Slater | System for remotely measuring and monitoring wear in a grinding mill |
| CN101393014A (en) * | 2008-10-30 | 2009-03-25 | 昆明理工大学 | Thickness alarm unit for lining-board of ball grinding machine |
| US20140150524A1 (en) * | 2010-12-14 | 2014-06-05 | Universidad De Santiago De Chile | Real-Time Monitoring System to Determine Wear of Grate Ribs in Semi-Autogenous Mills, to Detect Clogging Conditions of the Grates During the Operation and to Detect Working Conditions Under Direct Impact of the Balls on the Grates |
| WO2013116954A1 (en) * | 2012-02-07 | 2013-08-15 | Industrial Support Company Ltda | Online electronic wear-sensor bolt comprising a device having a transducer and an anti-vibration part that includes a cpu, an antistatic material and an rf transmitter |
| US20170050769A1 (en) * | 2015-08-17 | 2017-02-23 | Dash Llc | Assemblies including plug devices, and related plug devices and methods |
| CN107297253A (en) * | 2017-06-28 | 2017-10-27 | 中信重工机械股份有限公司 | Can detect mill of welt wearing and tearing |
| AU2018329974A1 (en) * | 2017-09-07 | 2020-04-23 | Senstech SPA. | System for in-line measurement of mill liner wear and mill bolt tension by means of an echographic sensor inserted into the threaded end of bolts |
| CN207779327U (en) * | 2017-12-29 | 2018-08-28 | 付贝宁 | A kind of detection sensor of part of appliance wear-thickness |
| US20190381511A1 (en) * | 2018-06-18 | 2019-12-19 | Servicios Y Consultorias Hendaya S.A. | Liner assembly for ore grinding mill |
| CN110508388A (en) * | 2019-08-28 | 2019-11-29 | 中信重工机械股份有限公司 | A kind of grinding machine monitoring system based on lifting strip height detection |
| CN110694784A (en) * | 2019-10-29 | 2020-01-17 | 中信重工机械股份有限公司 | Real-time monitoring device for abrasion loss of lining plate of mill |
| CN110732384A (en) * | 2019-10-29 | 2020-01-31 | 中信重工机械股份有限公司 | data acquisition and emission device for detecting abrasion loss of lining plate of mill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499350A (en) * | 2023-06-30 | 2023-07-28 | 沈阳智谷科技有限公司 | Sensing circuit, sensing equipment and method for online measuring abrasion loss of mill lining plate |
| CN117380349A (en) * | 2023-12-07 | 2024-01-12 | 沈阳智谷科技有限公司 | Method for online measuring abrasion loss of lining plate of mill |
| CN117380349B (en) * | 2023-12-07 | 2024-02-06 | 沈阳智谷科技有限公司 | Method for online measuring abrasion loss of lining plate of mill |
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Application publication date: 20200904 |
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