CN203291914U - Grinding roller and grinding disk tile - Google Patents

Grinding roller and grinding disk tile Download PDF

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Publication number
CN203291914U
CN203291914U CN2013200510791U CN201320051079U CN203291914U CN 203291914 U CN203291914 U CN 203291914U CN 2013200510791 U CN2013200510791 U CN 2013200510791U CN 201320051079 U CN201320051079 U CN 201320051079U CN 203291914 U CN203291914 U CN 203291914U
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CN
China
Prior art keywords
grinding roller
ceramic rod
millstone sheet
grinding
wear
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Expired - Lifetime
Application number
CN2013200510791U
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Chinese (zh)
Inventor
王雨勃
何旭初
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BEIJING LIYANSHE TECHNOLOGY Co Ltd
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BEIJING LIYANSHE TECHNOLOGY Co Ltd
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Priority to CN2013200510791U priority Critical patent/CN203291914U/en
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Publication of CN203291914U publication Critical patent/CN203291914U/en
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Abstract

The utility model discloses a grinding roller and grinding disk tile. The grinding roller and grinding disk tile comprises a base body and a plurality of ceramic rods, wherein the ceramic rods are embedded in the base body along the wear surface of the grinding roller and grinding disk tile. According to the grinding roller and grinding disk tile provided by the utility model, the wear-resistant ceramic rods are embedded in the base body, so on one hand, a working layer of the grinding roller and grinding disk tile has high hardness and adhesive wear and cutting wear are reduced, and on the other hand, the grinding roller and grinding disk tile has excellent toughness to resist external impact. A conventional wear-resistant material is used for supporting and protecting a ceramic material, and the superhard and wear-resistant ceramic material is used for grinding processed minerals, so that the advantages of the materials are combined and matched.

Description

A kind of grinding roller and millstone sheet
Technical field
The utility model relates to the powder manufacturing apparatus of the industries such as thermal power plant, cement, metallurgy, particularly relates to grinding roller and millstone sheet.
Background technology
Grinding roller and millstone sheet are generally used for the powder process processing of the industries such as electric power, metallurgy, building materials, chemical industry, mine for raw mineral materials as the critical component of vertical mill (or medium-speed pulverizer).Owing to directly forcing in raw mineral materials, serious wear, change frequently, and therefore adding up service life is the important indicator of estimating grinding roller and millstone sheet quality.
Mainly by dual mode, improve it at present and add up service life, namely use the more material manufacturing of hard wear resistant, or at product surface, by techniques such as spraying, cladding, built-up welding or ceramic embedded class materials, generate hard wear resistant structure more.Although the time is all, its result or effect are limited, or cost significantly rises, and cost performance has descended on the contrary.
The utility model content
In view of this, the purpose of this utility model is to propose a kind of grinding roller and millstone sheet, not only extends its service life, improves simultaneously and uses cost performance.
Based on above-mentioned purpose, the utility model provides a kind of grinding roller and millstone sheet, and described grinding roller and millstone sheet comprise matrix and Duo Gen ceramic rod, described ceramic rod along the wear surface castingin of grinding roller and millstone sheet in matrix.
Alternatively, the length direction of described ceramic rod keeps substantially vertical with the wear surface of described grinding roller and millstone sheet respectively.
Preferably, the length of described ceramic rod is respectively grinding roller and millstone sheet wall thickness 0.3 ~ 0.6 times.
Preferably, an end face of described ceramic rod is arranged in described matrix, and the other end of described ceramic rod overlaps with the wear surface of described grinding roller and millstone sheet respectively.
Alternatively, described any three adjacent ceramic rods are the isosceles triangle arrangement.
Alternatively, the diameter of described ceramic rod is 10 ~ 20mm.
Preferably, described adjacent ceramic rod spacing is 0.5 ~ 2 times of described ceramic rod diameter.
Alternatively, described matrix is selected from any one in medium managese steel, low-alloy steel, ni-hard cast iron and rich chromium cast iron.
Alternatively, described ceramic rod is selected from any one in metal oxide, carbide, nitride and cermet material.
Good effect of the present utility model: 1) composite grinding roll and millstone sheet material compatibility are excellent, have farthest brought into play as the conventional high-abrasive material of matrix and the super high-abrasive material that is bumped into distinctive elite clone characteristic separately; 2) ceramic rod is combined with matrix firmly, difficult drop-off, and both transitional region good mechanical properties; 3) high life, the accumulative total of grinding roller and millstone sheet reaches more than 2 times of conventional high-abrasive material grinding roller and millstone sheet service life, and the use cost of unit interval descends.Further, make ceramic rod be Chinese character pin-shaped arrangement, guaranteed that grinding roller and millstone sheet anti-wear performance are even.The utility model supports with conventional high-abrasive material and the protection ceramic material, utilizes the ceramic material of super hard wear resistant to grind processed mineral, has realized the compound coupling of advantage of material.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment grinding roller and millstone sheet;
Fig. 2 is the B place partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment grinding roller;
Fig. 4 is the utility model embodiment grinding roller along the cutaway view of the A-A in Fig. 3;
Fig. 5 is the C place partial enlarged drawing of Fig. 3.
The specific embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
, with reference to figure 1 and Fig. 2, be respectively the structural representation of the utility model embodiment grinding roller and millstone sheet and the B place partial enlarged drawing of Fig. 1.
During work, described grinding roller 5 is placed on millstone sheet 6, and the wear surface 1 of described grinding roller 5 and the wear surface 7 of millstone sheet 6 are in contact with one another, and described grinding roller grinds along millstone sheet.
Described grinding roller 5 and millstone sheet 6 comprise matrix 3 and the castingin many ceramic rods 2 in matrix 3, described ceramic rod 2 respectively along wear surface 7 castingins of the wear surface 1 of grinding roller and millstone sheet in matrix 3, the length direction of described ceramic rod 2 keeps substantially vertical with described wear surface 1 with wear surface 7 respectively.An end face of described ceramic rod 2 is embedded in described matrix 3 inside, and the other end of described ceramic rod 2 overlaps with the wear surface 1 of described grinding roller and wear surface 7 surfaces of millstone sheet respectively.
With reference to figure 3 and Fig. 4, it is the structural representation of the utility model embodiment grinding roller and along the cutaway view of the A-A in Fig. 3.As an embodiment of the present utility model, ceramic rod 2 length of castingin in grinding roller are 0.3 ~ 0.6 times of grinding roller wall thickness.The complete castingin of described ceramic rod 2 in matrix 3, can reduce the vibration of grinding roller in running.
Need to prove, described wear surface (1 and 7) is exactly outer surface or the processing work face of grinding roller and millstone sheet, and described grinding roller wall thickness is the distance of grinding roller wear surface 1 to grinding roller inwall 4.
As another embodiment of the present utility model, the length of the ceramic rod 2 of castingin in millstone sheet can be also 0.3 ~ 0.6 times of millstone sheet wall thickness.Described millstone sheet wall thickness is the distance of millstone sheet wear surface 7 to millstone sheet inwall 8.
Preferably, the length of described ceramic rod 2 and grinding roller and the millstone sheet degree of wear are preferably corresponding, i.e. the large position of the degree of wear, and ceramic rod is longer, the position that the degree of wear is little, ceramic rod is shorter.
Alternatively, described matrix 3 is selected from any one in medium managese steel, low-alloy steel, ni-hard cast iron and rich chromium cast iron.Utilize its performance to improve the service life of grinding roller.
Preferably, described medium managese steel is modified medium manganese steel.
Described ceramic rod 2 can be any one in metal oxide, carbide, nitride and cermet material.
Described cermet material can be the composite that metal oxide, carbide, nitride and all kinds of alloy are made.
Use modified medium manganese steel, Low Alloying Multicomponent Steels or the rich chromium cast iron matrix as grinding roller, and in matrix the wear-resisting ceramic rod of castingin, guarantee that the grinding roller working lining has higher hardness on the one hand, reduce adhesion wear and cutting abrasion, guarantee that on the other hand grinding roller has good toughness, to resist external impact.
Modified medium manganese steel, Low Alloying Multicomponent Steels or rich chromium cast iron and ceramic rod have good matching, form and combine closely between the two after castingin and heat treatment.
With reference to figure 5, it is the C place partial enlarged drawing of Fig. 3.As embodiment of the utility model, described any three adjacent ceramic rods 2 are isosceles triangle and are arranged in matrix 3.Guarantee grinding roller in use, ceramic rod 2 is stressed even in matrix 3, is beneficial to extend the service life of grinding roller; Guarantee that simultaneously in matrix 3, each position has close wearability, avoid the phenomenon that occurs that the grinding roller concentrated wear is excessive.
Alternatively, the diameter of described ceramic rod 2 is 10 ~ 20mm, and adjacent ceramic rod spacing is 0.5 ~ 2 times of described ceramic rod 2 diameters.
Preferably, for each position that guarantees grinding roller and millstone sheet has close wearability, the distribution of ceramic rod should be corresponding with the degree of wear.Be the large position of the degree of wear, ceramic rod distribution comparatively dense, the position that the degree of wear is little, ceramic rod distributes more sparse.
Need to prove, described grinding roller after the castingin moulding, is heat-treated according to the different different Technologies for Heating Processing of grinding roller matrix adopting, eliminates the carbide in the grinding roller interior tissue, improves grinding roller toughness.
As mentioned above, the grinding roller that the utility model provides, by the wear-resisting ceramic rod of castingin in matrix, guarantees that the grinding roller working lining has higher hardness, has reduced adhesion wear and cutting abrasion on the one hand, guarantee that on the other hand grinding roller has good toughness, to resist external impact.
Good effect of the present utility model: 1) composite grinding roll and millstone sheet material compatibility are excellent, farthest brought into play as the conventional high-abrasive material of matrix and the super high-abrasive material that is bumped into distinctive excellent mechanical properties separately, made up mutually the other side's weak aspect simultaneously; 2) ceramic rod is combined with matrix firmly, difficult drop-off, and both transitional region good mechanical properties; 3) high life, the accumulative total of grinding roller and millstone sheet reaches more than 2 times of conventional high-abrasive material grinding roller and millstone sheet service life, and the use cost of unit interval descends.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. a grinding roller and millstone sheet, is characterized in that, described grinding roller and millstone sheet comprise matrix and Duo Gen ceramic rod, described ceramic rod along the wear surface castingin of grinding roller and millstone sheet in matrix.
2. grinding roller according to claim 1 and millstone sheet, is characterized in that, the length direction of described ceramic rod keeps substantially vertical with the wear surface of described grinding roller and millstone sheet respectively.
3. grinding roller according to claim 2 and millstone sheet, is characterized in that, the length of described ceramic rod is respectively grinding roller and millstone sheet wall thickness 0.3 ~ 0.6 times.
4. the described grinding roller of any one and millstone sheet according to claim 1 ~ 3, is characterized in that, an end face of described ceramic rod is arranged in described matrix, and the other end of described ceramic rod overlaps with the wear surface of described grinding roller and millstone sheet respectively.
5. grinding roller according to claim 1 and millstone sheet, is characterized in that, described any three adjacent ceramic rods are isosceles triangle and arrange.
6. grinding roller according to claim 5 and millstone sheet, is characterized in that, the diameter of described ceramic rod is 10 ~ 20mm.
7. grinding roller according to claim 6 and millstone sheet, is characterized in that, described adjacent ceramic rod spacing is 0.5 ~ 2 times of described ceramic rod diameter.
8. grinding roller according to claim 1 and millstone sheet, is characterized in that, described matrix is selected from any one in medium managese steel, low-alloy steel, ni-hard cast iron and rich chromium cast iron.
9. grinding roller according to claim 1 and millstone sheet, is characterized in that, described ceramic rod is selected from any one in metal oxide, carbide, nitride and cermet material.
CN2013200510791U 2013-01-29 2013-01-29 Grinding roller and grinding disk tile Expired - Lifetime CN203291914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013200510791U CN203291914U (en) 2013-01-29 2013-01-29 Grinding roller and grinding disk tile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013200510791U CN203291914U (en) 2013-01-29 2013-01-29 Grinding roller and grinding disk tile

Publications (1)

Publication Number Publication Date
CN203291914U true CN203291914U (en) 2013-11-20

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CN2013200510791U Expired - Lifetime CN203291914U (en) 2013-01-29 2013-01-29 Grinding roller and grinding disk tile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103111347A (en) * 2013-01-29 2013-05-22 北京理研社技术有限公司 Grinding roller and grinding disc tile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103111347A (en) * 2013-01-29 2013-05-22 北京理研社技术有限公司 Grinding roller and grinding disc tile

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Granted publication date: 20131120