CN114273027A - Method for eliminating gap of magnetic lining plate of ball milling barrel - Google Patents
Method for eliminating gap of magnetic lining plate of ball milling barrel Download PDFInfo
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- CN114273027A CN114273027A CN202111461193.7A CN202111461193A CN114273027A CN 114273027 A CN114273027 A CN 114273027A CN 202111461193 A CN202111461193 A CN 202111461193A CN 114273027 A CN114273027 A CN 114273027A
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- ball mill
- gap
- lining
- dotting
- mill cylinder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention provides a method for eliminating a gap between magnetic lining plates of a ball mill cylinder, which is used for eliminating a gap formed between the lining plates on the inner wall of the ball mill cylinder and comprises the following steps: s1: axial dotting; s2: axially mounting; s3: adjusting the lining plate; s4: a fill limit; s5: dotting in the radial direction; s6: radial installation; the invention has the beneficial effects that: when laying the welt to ball mill barrel inner wall, through the S3 step, can make original 30mm ~ 120 mm' S clearance, separate into multiunit 20mm ~ 30mm clearance, later carry out the S4 step to the clearance after the separation, less clearance is compared with great clearance, can make inseparable between the welt, firm connection together, when the ball mill barrel carries out the during operation, can effectually guarantee the life of inside lining, and need not cut the welt at the in-process of operating, can effectual improvement efficiency of welt installation.
Description
Technical Field
The invention relates to the technical field of ball mills, in particular to a method for eliminating a gap of a magnetic lining plate of a ball mill cylinder.
Background
The ball mill is the key equipment for crushing the materials after the materials are crushed. This type of mill is provided with a number of steel balls as grinding media in the barrel. It is widely used in the production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like, and is used for dry or wet grinding of various ores and other grindable materials. The ball mill is suitable for grinding various ores and other materials, is widely used in the industries of mineral separation, building materials, chemical industry and the like, and can be divided into a dry type ore grinding mode and a wet type ore grinding mode. According to different ore discharge modes, the method can be divided into a lattice type and an overflow type.
With the wide use of large-scale ball mill equipment in mine and smelting industries, the lining plate serving as a main consumption part is continuously researched and applied, the magnetic lining plate is rapidly popularized as a novel material, the comprehensive benefit is very obvious, and the magnetic lining plate gradually replaces a common high manganese steel lining plate.
In the installation process of the lining plate, because the quantity of the lining plates of the large-scale fan machine barrel is large, deviation is easy to occur in the installation process, namely, gaps can occur when the lining plates are folded in the axial direction and the radial direction, the existing treatment method cuts the lining plates through a toothless saw and fills the gaps, so that the operation efficiency is low, the cutting difficulty is low, and the overall production benefit is easy to influence.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for eliminating the gap of the magnetic lining plate of the ball milling cylinder.
The invention solves the technical problems through the following technical means:
a method for eliminating the gap between the magnetic lining plates of ball mill cylinder is used for eliminating the gap between the lining plates on the inner wall of the ball mill cylinder and comprises the following steps:
s1: axial dotting
Dotting the inner wall of the ball mill cylinder from an end cover of the ball mill cylinder, wherein the dotting direction is carried out along the axial direction of the ball mill cylinder;
s2: axial mounting
Sequentially laying the lining plates at the axial hitting points, and installing the lining plates into a ring along the axial direction of the ball mill cylinder;
s3: adjustable lining board
After the lining plates are axially installed, when the gap between the head group and the tail group of lining plates is between 30mm and 120mm, the distance between every two last 2 to 4 lining plates is expanded to 20mm to 30mm, so that the gap is divided into a plurality of gaps of 20mm to 30 mm;
s4: fill limit
Filling a plurality of 20-30 mm gaps until the gaps are completely eliminated;
s5: radial dotting
Dotting the end cover of the ball mill cylinder, wherein the dotting direction is performed according to the radial direction of the ball mill cylinder;
s6: radial mounting
And (3) sequentially paving the lining plates at radial hitting points, radially installing the lining plates on the end cover along the cylinder body of the ball mill, and repeating S3 and S4 until the gaps are completely eliminated if gaps occur in the installation process.
As an improvement of the technical scheme, after the lining plates are axially installed in the S3 adjusting lining plates, when the gap between the head group lining plate and the tail group lining plate is between 20mm and 30mm, the lining plates directly enter the S4 filling limitation, and the gap is eliminated.
As an improvement of the above technical solution, in the S1 axial dotting and the S5 radial dotting, all ore pulp, rubber, and the like in the area where the lining board is to be laid need to be eliminated until the metal body of the ball mill cylinder is exposed.
As an improvement of the technical scheme, in the S2 axial installation and S5 radial dotting, the allowable maximum protrusion height of the inner wall surface of the ball mill cylinder body is 1mm, and the allowable maximum area of the inner wall surface depression of the ball mill cylinder body is 10 x 10 mm.
As an improvement of the technical scheme, the inner wall of the ball mill cylinder body is provided with a bulge which exceeds more than 1mm and needs to be polished and leveled; the size of any direction of the sunken part of the inner wall of the ball mill cylinder body is larger than 10mm, welding repair is needed, and polishing is smooth.
As an improvement of the technical scheme, the lining plate is made of a magnetic material, and the gap filling material is made of battens, steel bars and the like.
The invention has the beneficial effects that:
1. when laying the welt to ball mill barrel inner wall, through the S3 step, can make original 30mm ~ 120 mm' S clearance, separate into multiunit 20mm ~ 30mm clearance, later carry out the S4 step to the clearance after the separation, less clearance is compared with great clearance, can make inseparable between the welt, firm connection together, when the ball mill barrel carries out the during operation, can effectually guarantee the life of inside lining, and need not cut the welt at the in-process of operating, can effectual improvement efficiency of welt installation.
2. The larger gaps are separated into a plurality of groups of smaller gaps, so that when the step S4 is carried out, workers can conveniently cut the filling materials, and the gap removing work can be rapidly carried out, so that the overall installation efficiency is improved.
3. Through separating into the less clearance of multiunit with great clearance, when carrying out the in-process of assembling the welt, do not need the welt to return the factory and do over again, in the in-process of installing, can improve the efficiency of installation, then can improve the benefit of production.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for eliminating a gap according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the connection of the lining plate and the ball mill cylinder according to the embodiment of the invention.
In the figure: 10. a liner plate; 20. a gap; 30. a ball mill cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1 and 2, the method for eliminating the gap between the magnetic lining plates 10 of the ball mill cylinder according to the present embodiment is used for eliminating the gap 20 formed between the lining plates 10 on the inner wall of the ball mill cylinder 30, and comprises the following steps:
s1: axial dotting
Dotting treatment is carried out on the inner wall of the ball mill cylinder 30 from the end cover of the ball mill cylinder 30, and the dotting direction is carried out along the axial direction of the ball mill cylinder 30;
s2: axial mounting
Sequentially laying the lining plates 10 at the axial hitting points, and axially installing the lining plates 10 into a ring along the cylinder body 30 of the ball mill;
s3: adjustable lining board
After the lining plates 10 are axially installed, when the gap 20 between the head group lining plate 10 and the tail group lining plate 10 is between 30mm and 120mm, the distance between every two last 2-4 lining plates 10 is expanded to 20mm to 30mm, so that the gap 20 is divided into a plurality of gaps 20 of 20mm to 30 mm;
s4: fill limit
Filling a plurality of 20 mm-30 mm gaps 20 until the gaps 20 are completely eliminated;
s5: radial dotting
Dotting the end cover of the ball mill cylinder 30 in the radial direction of the ball mill cylinder 30;
s6: radial mounting
And sequentially laying the lining plates 10 at radial hitting points, radially installing the lining plates 10 on the end cover along the ball mill cylinder 30, and repeating S3 and S4 until the gap 20 is completely eliminated if the gap 20 occurs in the installation process.
In the embodiment, the width of the lining plate 10 is 190mm, when the lining plate 10 is laid on the inner wall of the ball mill cylinder 30, the original 30 mm-120 mm gaps 20 can be separated into multiple groups of 20 mm-30 mm gaps 20 through the step S3, then the step S4 is carried out on the separated gaps 20, and the smaller gaps 20 can enable the lining plates 10 to be tightly and firmly connected together compared with the larger gaps 20, so that the service life of the lining plate can be effectively ensured when the ball mill cylinder 30 works, the lining plate 10 does not need to be cut in the operation process, and the efficiency of installing the lining plate can be effectively improved;
the larger gaps 20 are separated into a plurality of groups of smaller gaps 20, so that when the step S4 is carried out, workers can conveniently cut the filling material, and the work of rapidly eliminating the gaps 20 is conveniently carried out, so that the integral installation efficiency is improved;
by separating the larger gaps 20 into a plurality of groups of smaller gaps 20, the lining plate 10 does not need to be returned to a factory for rework in the process of folding the lining plate 10, the installation efficiency can be improved in the installation process, and then the production benefit can be improved.
In the embodiment, the following technical requirements are required to operate so as to improve the mounting efficiency and the mounting quality of the lining plates 10, in the mounting process of the lining plates 10, the distance between the two groups of lining plates 10 can be kept between 1mm and 2mm, and simultaneously, the lining plates 10 can be tamped by using a sledge hammer;
as shown in fig. 2, in the S3 adjustment liner plate, after the liner plates 10 are axially installed, when the gap 20 between the head and tail two sets of liner plates 10 is between 20mm and 30mm, the liner plates directly enter into the S4 filling limitation, so as to eliminate the gap 20, thereby improving the working efficiency.
As shown in fig. 2, in the S1 axial dotting and the S5 radial dotting, all the slurry, rubber and the like in the area where the lining board 10 is to be laid need to be eliminated until the metal body of the ball mill cylinder 30 is exposed, so that the lining board 10 can be prevented from being protruded due to the slurry, rubber and the like when the lining board 10 is laid, and the lining board 10 can be prevented from falling off in the later use process.
As shown in fig. 2, in the S2 axial installation and S5 radial dotting, the maximum allowable protrusion height of the inner wall surface of the ball mill cylinder 30 is 1mm, and the maximum allowable depression area of the inner wall surface of the ball mill cylinder 30 is 10 × 10 mm.
As shown in fig. 2, the inner wall of the ball mill cylinder 30 has a protrusion exceeding 1mm, and needs to be polished; the size of any direction of the concave position of the inner wall of the ball mill cylinder 30 is larger than 10mm, welding repair is needed, and polishing is smooth.
As shown in fig. 2, the lining plate 10 is made of a magnetic material, and the gap 20 is filled with battens, steel bars and the like, preferably battens, and the battens are used as the filling material, so that the cutting can be conveniently handled by a worker, and the installation efficiency can be improved.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A method for eliminating the gap between the magnetic lining plates of a ball mill cylinder is used for eliminating the gap (20) formed between the lining plates (10) on the inner wall of the ball mill cylinder (30), and is characterized in that: the method comprises the following steps:
s1: axial dotting
Dotting treatment is carried out on the inner wall of the ball mill cylinder (30) from the end cover of the ball mill cylinder (30), and the dotting direction is carried out axially according to the ball mill cylinder (30);
s2: axial mounting
Sequentially laying the lining plates (10) at the axial hitting points, and axially installing the lining plates (10) into a ring along the ball mill cylinder body (30);
s3: adjustable lining board
After the lining plates (10) are axially installed, when the gap (20) between the head group and the tail group of lining plates (10) is between 30mm and 120mm, the distance between every two last 2-4 lining plates (10) is expanded to 20mm to 30mm, and the gap (20) is divided into a plurality of gaps (20) with the diameters of 20mm to 30 mm;
s4: fill limit
Filling a plurality of 20 mm-30 mm gaps (20) until the gaps (20) are completely eliminated;
s5: radial dotting
Dotting the end cover of the ball mill cylinder (30), wherein the dotting direction is performed in the radial direction of the ball mill cylinder (30);
s6: radial mounting
And sequentially laying the lining plates (10) at radial hitting points, radially installing the lining plates (10) on the end cover along the ball mill cylinder body (30), and repeating S3 and S4 until the gaps (20) are completely eliminated if the gaps (20) appear in the installation process.
2. The method for eliminating the gap of the magnetic lining plate of the ball milling cylinder body as claimed in claim 1, wherein: in the S3 adjusting lining plates, after the lining plates (10) are axially installed, when the gap (20) between the head group lining plate and the tail group lining plate (10) is between 20mm and 30mm, the gap directly enters the S4 filling limitation, and the gap (20) is eliminated.
3. The method for eliminating the gap of the magnetic lining plate of the ball milling cylinder body as claimed in claim 1, wherein: in the S1 axial dotting and the S5 radial dotting, all ore pulp, rubber and the like in the area where the lining plate (10) is to be laid need to be eliminated until the metal body of the ball mill cylinder (30) is exposed.
4. The method for eliminating the gap of the magnetic lining plate of the ball milling cylinder body as claimed in claim 1, wherein: in S2 axial installation and S5 radial dotting, the allowed maximum height of the protrusions on the inner wall surface of the ball mill cylinder (30) is 1mm, and the allowed maximum area of the depressions on the inner wall surface of the ball mill cylinder (30) is 10 x 10 mm.
5. The method of eliminating the gap in the magnetic lining plate of the ball milling barrel body as claimed in claim 4, wherein: the inner wall of the ball mill cylinder (30) is provided with a bulge which exceeds more than 1mm and needs to be polished to be flat; the size of any direction of the concave part of the inner wall of the ball mill cylinder (30) is larger than 10mm, welding repair is needed, and polishing is smooth.
6. The method for eliminating the gap of the magnetic lining plate of the ball milling cylinder body as claimed in claim 1, wherein: the lining plate (10) is made of magnetic materials, and the gap (20) is filled with wood strips, steel bars and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111461193.7A CN114273027B (en) | 2021-12-01 | 2021-12-01 | Method for eliminating gaps of magnetic lining plates of ball milling cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111461193.7A CN114273027B (en) | 2021-12-01 | 2021-12-01 | Method for eliminating gaps of magnetic lining plates of ball milling cylinder |
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| CN114273027A true CN114273027A (en) | 2022-04-05 |
| CN114273027B CN114273027B (en) | 2023-06-13 |
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| CN114273027B (en) | 2023-06-13 |
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