CN207464177U - A kind of ZGM types can repair cermet composite grinding roll - Google Patents
A kind of ZGM types can repair cermet composite grinding roll Download PDFInfo
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- CN207464177U CN207464177U CN201720619514.4U CN201720619514U CN207464177U CN 207464177 U CN207464177 U CN 207464177U CN 201720619514 U CN201720619514 U CN 201720619514U CN 207464177 U CN207464177 U CN 207464177U
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Abstract
The utility model discloses a kind of ZGM types can repair cermet composite grinding roll, the composite grinding roll includes matrix, multiple Ceramic Composite grinding roller roller skins, fixture block and multiple reinforcing members, multiple Ceramic Composite grinding roller roller skins mutually spliced are equipped on the outer basal plane of described matrix, the inside of the Ceramic Composite grinding roller roller skin is equipped with card slot, described matrix medial surface is equipped with circumferentially distributed several through-holes, one end of the reinforcing member is connect by card slot and Ceramic Composite grinding roller roller pick up, the other end of the reinforcing member is fixedly connected across through-hole by nut, the side of one of them Ceramic Composite grinding roller roller skin is equipped with fixture block.The utility model, which provides a kind of ZGM types, can repair cermet composite grinding roll, prepare high abrasion composite grinding roll, have longer life, be provided simultaneously with recoverability, and grinding roller manufacturing method is simple, the process-cycle is short, effectively reduces cost.
Description
Technical field
The utility model is related to field of new materials, more particularly to a kind of ZGM types can repair cermet composite grinding roll.
Background technology
Coal pulverizer is one of the important equipment in thermal power plant, and grinding roller and liner plate are the key core components of coal pulverizer,
The quality of quality, particularly wear-resisting property directly influence milling efficiency, quality of pc, grinding roller consumption and production cost.It is making
Under powder working condition, previous any grinding roller material can all have more serious abrasion, after abrasion reaches a certain limit, outside grinding roller
Circle is too small to be scrapped.At present, grinding roller preparation process, such as composite casting, centrifugal casting and built-up welding are all being studied energetically both at home and abroad,
Its purpose is exactly to manufacture a kind of new composite grinding roll, shock resistance when making grinding roller matrix that can be satisfied with coal-grinding with working face, resistance to
The performance requirements such as abrasion.But existing grinding roller structure and technique, there is cracking, come off and the defects of unrepairable, cause to make
It is higher with service life and cost, and coal-grinding effect is poor, it is expensive such as cast molding grinding roller of equine support company, and can not
It repairs；India's Vega second castings molding grinding roller, is easily broken, even results in wearing piece and come off.
Based on problem above, this patent, which provides a kind of ZGM types, can repair cermet composite grinding roll, for ZGM type grinding rollers
Curved surface repair the problems such as difficulty is big, of high cost, realize the high abrasion and recoverability of the type, solve coal pulverizer production process
In, grinding roller is fragile, replaces the problems such as difficult.
Utility model content
Purpose of utility model：The purpose of this utility model is to solve deficiency of the prior art, provides a kind of ZGM types
Cermet composite grinding roll can be repaired, prepares high abrasion composite grinding roll, there is longer life, be provided simultaneously with recoverability, and
Grinding roller manufacturing method is simple, and the process-cycle is short, effectively reduces cost.
Technical solution：A kind of ZGM types described in the utility model can repair cermet composite grinding roll, more including matrix
A Ceramic Composite grinding roller roller skin, fixture block and multiple reinforcing members are equipped with multiple potteries mutually spliced on the outer basal plane of described matrix
Porcelain composite grinding roll roller skin, the inside of the Ceramic Composite grinding roller roller skin are equipped with card slot, and described matrix medial surface is equipped with circumferential point
Several through-holes of cloth, one end of the reinforcing member are connect by card slot and Ceramic Composite grinding roller roller pick up, the reinforcing member it is another
End is fixedly connected across through-hole by nut, and the side of one of them Ceramic Composite grinding roller roller skin is equipped with fixture block.
Further, described matrix and fixture block are fabricated using normal steel casting.
Further, the Ceramic Composite grinding roller roller skin uses 24-36 blocks.
Further, the lead to the hole site is corresponded with the Ceramic Composite grinding roller roller skin position.
Further, multiple lead to the hole site correspond to a Ceramic Composite grinding roller roller skin position.
Further, the card slot uses T-shape slot structure.
Advantageous effect：A kind of ZGM types provided by the utility model can repair cermet composite grinding roll with following bright
Effective fruit：
（1）Grinding roller is made of Ceramic Composite grinding roller roller skin and matrix, can be in protocorm after Ceramic Composite grinding roller roller shelling damage
The upper direct new roller skin of dismounting and change, has recoverability；
（2）Ceramic Composite grinding roller roller skin is metal-ceramic composite material, has high-wearing feature；
（3）Ceramic Composite grinding roller roller skin uses polylith splicing construction, easy to assembly, and monolithic roller skin is small, and processing is held
Easily；
（4）Ceramic Composite grinding roller roller skin is equipped with ruggedized construction, can improve anti-impact with effective position Ceramic Composite grinding roller roller skin
Hitting property prevents from coming off, and effectively improves stability and the service life of grinding roller；
（5）Matrix and fixture block are common iron, and easy processing is at low cost, and fixture block can reach complete positioning by welding,
It is easy to operate, and repaired after grinding roller abrasion simple.
Description of the drawings
Fig. 1 is the assembling stereoscopic schematic diagram of the grinding roller of the utility model grinding roller；
Fig. 2 is the assembling schematic cross-sectional view of the utility model grinding roller；
Fig. 3 is the utility model grinding roller matrix stereoscopic schematic diagram；
Fig. 4 is the utility model grinding roller matrix schematic cross-sectional view；
Fig. 5 is the utility model grinding roller Ceramic Composite grinding roller roller skin stereogram and schematic cross-section；
Fig. 6 is the utility model grinding roller Ceramic Composite grinding roller roller leather reinforcing part stereoscopic schematic diagram；
Fig. 7 is the utility model grinding roller Ceramic Composite grinding roller roller skin and matrix stereoscopic schematic diagram；
Fig. 8 is the utility model grinding roller fixture block position solid close-up schematic view.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to specific embodiments and the drawings：、
If Fig. 1 to a kind of ZGM types shown in Fig. 8 can repair cermet composite grinding roll, including matrix 1, multiple ceramics are multiple
Grinding roller roller skin 2, fixture block 3 and multiple reinforcing members 4 are closed, being equipped with multiple ceramics mutually spliced on the outer basal plane of described matrix 1 answers
Grinding roller roller skin 2 is closed, the inside of the Ceramic Composite grinding roller roller skin 2 is equipped with card slot 5, and 1 medial surface of described matrix is equipped with circumferential point
Several through-holes 7 of cloth, one end of the reinforcing member 4 are clamped by card slot 5 and Ceramic Composite grinding roller roller skin 2, the reinforcing member 4
The other end is fixedly connected across through-hole 7 by nut, and the side of one of them Ceramic Composite grinding roller roller skin 2 is equipped with fixture block 3,
The precast body 6 of network is equipped in Ceramic Composite grinding roller roller skin 2.
As advanced optimizing for the present embodiment：
Preferably, described matrix 1 and fixture block 3 are fabricated using normal steel casting, and easy processing is at low cost, and fixture block passes through
Welding can reach complete positioning, easy to operate, and be repaired after grinding roller abrasion simple.Ceramic Composite grinding roller roller skin is made pottery using metal
Prepared by porcelain complex technique, ceramics select rich chromium cast iron using aluminium oxide, alloy.
Preferably, the Ceramic Composite grinding roller roller skin 2 uses 24-36 blocks, ensures to also allow for repairing while compact linking.
Preferably, 7 position of through-hole is corresponded with 2 position of Ceramic Composite grinding roller roller skin；Or multiple through-holes 7
Position corresponds to 2 position of Ceramic Composite grinding roller roller skin, and further Ceramic Composite grinding roller roller skin 2 is fixed.
Preferably, the card slot 5 using T-shape slot structure or uses other notchs, and the notch is with reinforcing
The end construction of part 4 is adapted.
The manufacturing method that a kind of above-mentioned ZGM types can repair cermet composite grinding roll is as follows：
（1）The ceramic particle, alloy powder and the binding agent that pre-process after drying are mixed in proportion, by particular manufacturing craft system
For given configuration, and drying and moulding is gone out, then by vacuum-sintering, precast body is prepared；
（2）Precast body is taken out, is put into 200-300 DEG C of baking oven, is preheated, is then attached in casting sand type cavity,
Bulk ceramic composite grinding roll roller skin is prepared finally by cast alloys melt；
（3）By heat treatment, ceramic composite grinding roll roller skin hardness is made to reach 59-62HRC, then Ceramic Composite is ground
Roller roller skin is machined, and prepares desired size and shape；
（4）The matrix and fixture block of casting layout design, and be machined, meet cooperation requirement；
（5）Reinforcing member is inserted into the hole of matrix, is fixed in intrados with nut；
（6）By step（3）In Ceramic Composite grinding roller roller skin, be put into groove from matrix fixture block indentation, there successively, and
Fixing piece is made to realize mated condition with its T-slot, after last block Ceramic Composite grinding roller roller skin is put into, fixture block is put into matrix
Notch by welding method, is positioned completely；
（7）Finally by tightening nut, reinforcing member is made to load Ceramic Composite grinding roller roller skin, realize to clamp and fix and make
With.
For above-mentioned grinding roller after abrasion is used, replacement process is as follows：
（1）By polishing, cutting weld, fixture block and matrix are detached；
（2）Worn ceramic composite grinding roll roller skin is dismantled, and more renew roller skin successively；
（3）Grinding roller assembly method is repeated, repairs and completes.
The utility model, which provides a kind of ZGM types, can repair cermet composite grinding roll, prepare high abrasion composite grinding roll,
With longer life, recoverability is provided simultaneously with, and grinding roller manufacturing method is simple, the process-cycle is short, effectively reduces cost.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation, although the utility model has been disclosed with preferred embodiment as above, be not limited to the utility model, it is any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification that foundation the technical essence of the utility model makees above example, still
Belong in the range of technical solutions of the utility model.
Claims (6)
1. a kind of ZGM types can repair cermet composite grinding roll, it is characterised in that：Including matrix（1）, multiple Ceramic Composite grinding rollers
Roller skin（2）, fixture block（3）With multiple reinforcing members（4）, described matrix（1）Outer basal plane on be equipped with multiple ceramics mutually spliced
Composite grinding roll roller skin（2）, the Ceramic Composite grinding roller roller skin（2）Inside be equipped with card slot（5）, described matrix（1）On medial surface
Equipped with circumferentially distributed several through-holes（7）, the reinforcing member（4）One end pass through card slot（5）With Ceramic Composite grinding roller roller skin（2）
Clamping, the reinforcing member（4）The other end pass through through-hole（7）It is fixedly connected by nut, one of them described Ceramic Composite mill
Roller roller skin（2）Side be equipped with fixture block（3）.
2. a kind of ZGM types according to claim 1 can repair cermet composite grinding roll, it is characterised in that：Described matrix
（1）And fixture block（3）It is fabricated using normal steel casting.
3. a kind of ZGM types according to claim 1 can repair cermet composite grinding roll, it is characterised in that：The ceramics
Composite grinding roll roller skin（2）Using 24-36 blocks.
4. a kind of ZGM types according to claim 1 can repair cermet composite grinding roll, it is characterised in that：The through-hole
（7）Position and the Ceramic Composite grinding roller roller skin（2）Position corresponds.
5. a kind of ZGM types according to claim 1 can repair cermet composite grinding roll, it is characterised in that：Multiple through-holes
（7）Position corresponds to a Ceramic Composite grinding roller roller skin（2）Position.
6. a kind of ZGM types according to claim 1 can repair cermet composite grinding roll, it is characterised in that：The card slot
（5）Using T-shape slot structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619514.4U CN207464177U (en) | 2017-05-31 | 2017-05-31 | A kind of ZGM types can repair cermet composite grinding roll |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720619514.4U CN207464177U (en) | 2017-05-31 | 2017-05-31 | A kind of ZGM types can repair cermet composite grinding roll |
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| CN207464177U true CN207464177U (en) | 2018-06-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138712A (en) * | 2017-05-31 | 2017-09-08 | 南通高欣耐磨科技股份有限公司 | A kind of ZGM types can repair cermet composite grinding roll and manufacture method |
| CN111571121A (en) * | 2020-04-22 | 2020-08-25 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of easily-detachable and repairable high-wear-resistance ceramic alloy composite grinding roller |
| CN111618277A (en) * | 2020-04-22 | 2020-09-04 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of easily-detachable, easily-machined and repairable high-wear-resistance ceramic alloy composite grinding roller |
| CN114714046A (en) * | 2021-07-12 | 2022-07-08 | 南通高欣耐磨科技股份有限公司 | Combined grinding roller with replaceable wear-resistant layer and manufacturing method thereof |
| CN115155741A (en) * | 2022-06-15 | 2022-10-11 | 华能国际电力股份有限公司营口电厂 | Medium speed pulverizer ceramic metal composite grinding roller |
-
2017
- 2017-05-31 CN CN201720619514.4U patent/CN207464177U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138712A (en) * | 2017-05-31 | 2017-09-08 | 南通高欣耐磨科技股份有限公司 | A kind of ZGM types can repair cermet composite grinding roll and manufacture method |
| CN111571121A (en) * | 2020-04-22 | 2020-08-25 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of easily-detachable and repairable high-wear-resistance ceramic alloy composite grinding roller |
| CN111618277A (en) * | 2020-04-22 | 2020-09-04 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of easily-detachable, easily-machined and repairable high-wear-resistance ceramic alloy composite grinding roller |
| CN111571121B (en) * | 2020-04-22 | 2021-09-21 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of easily-detachable and repairable high-wear-resistance ceramic alloy composite grinding roller |
| CN114714046A (en) * | 2021-07-12 | 2022-07-08 | 南通高欣耐磨科技股份有限公司 | Combined grinding roller with replaceable wear-resistant layer and manufacturing method thereof |
| CN115155741A (en) * | 2022-06-15 | 2022-10-11 | 华能国际电力股份有限公司营口电厂 | Medium speed pulverizer ceramic metal composite grinding roller |
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