CN110076323A - A kind of preparation method of medium-speed coal mill roller roller set - Google Patents
A kind of preparation method of medium-speed coal mill roller roller set Download PDFInfo
- Publication number
- CN110076323A CN110076323A CN201910370824.0A CN201910370824A CN110076323A CN 110076323 A CN110076323 A CN 110076323A CN 201910370824 A CN201910370824 A CN 201910370824A CN 110076323 A CN110076323 A CN 110076323A
- Authority
- CN
- China
- Prior art keywords
- zirconia ceramics
- roller set
- preparation
- aluminium pot
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
- B02C4/305—Wear resistant rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
- B22D19/085—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal of anti-frictional metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to coal pulverizer technical fields, and in particular to a kind of preparation method of medium-speed coal mill roller roller set.The present invention pelletizes zirconia ceramics micro mist to form zirconia ceramics particle using viscose, and drying forming is carried out using aluminium pot as container, gained zirconia ceramics-aluminium pot formed body is fixed on to the outer surface of roller set matrix, and anti-overflow cover is set at the edge of roller set matrix, then it is poured using potting syrup, in casting process, aluminium pot in zirconia ceramics-aluminium pot formed body can melt, zirconia ceramics particle can burst, zirconia ceramics micro mist and the potting syrup released is sufficiently mixed, finally be uniformly distributed in roller set outer surface of matrix formed it is wear-resistant composite bed in, be conducive to improve its wearability；Meanwhile the glue that adhesive action is played in zirconia ceramics particle is carbonized and is remained in wear-resistant composite bed, is conducive to improve the control force to the diffusion of zirconia ceramics micro mist.
Description
Technical field
The present invention relates to coal pulverizer technical fields, and in particular to a kind of preparation method of medium-speed coal mill roller roller set.
Background technique
Coal pulverizer is the important ancillary equipment of coal-powder boiler, by coal crusher and can be milled into coal dust.Medium-speed pulverizer is
Refer to that working speed is the coal pulverizer of 50~300r/min, belongs to boiler coal-ash stock processing professional equipment.Common middling speed coal-grinding
Machine includes square position coal pulverizer, Raymond bowl mill, E type coal pulverizer and roll-type coal pulverizer, wherein traditional roll-type Roller of Coal Grinder roller
Cover easy to wear, service life is short, can make production disruption when roll sleeve is ground in replacement, influence production efficiency and production cost.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation method of medium-speed coal mill roller roller set, use is provided by the invention
The medium-speed coal mill roller roller set wearability of method preparation is good, long service life.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of preparation methods of medium-speed coal mill roller roller set, comprising the following steps:
It pelletizes after zirconia ceramics micro mist is mixed with viscose, obtains zirconia ceramics particle；
The zirconia ceramics particle is placed in aluminium pot and carries out drying forming, obtains zirconia ceramics-aluminium pot formed body；
The multiple zirconia ceramics-aluminium pot formed bodys are fixed on to the outer surface of roller set matrix, and cover base in the roller
Anti-overflow cover is arranged in the edge of body, is then poured using potting syrup, is formed in the outer surface of roller set matrix wear-resisting compound
Layer, obtains medium-speed coal mill roller roller set.
Preferably, the granularity of the zirconia ceramics micro mist is 0.5~1.5mm.
Preferably, the granularity of the zirconia ceramics particle is 5~8mm.
Preferably, the aluminium pot is cylindric, a height of 30~40mm of the aluminium pot, and internal diameter is 25~30mm, with a thickness of
1.5~2.5mm.
Preferably, the temperature of the drying forming is 80~120 DEG C, and the time is 3~5h.
Preferably, the zirconia ceramics-aluminium pot formed body the roller set matrix outer surface density be 800~
1100/m2。
Preferably, the mode of the fixation is that heat-resisting reinforcing bar is mechanically fixed.
Preferably, the material of the anti-overflow cover is heat resisting steel.
Preferably, the temperature of the casting is 1350~1450 DEG C, and the flow velocity of the potting syrup is 40~60mm/min.
Preferably, described wear-resistant composite bed with a thickness of 22~28mm.
The present invention provides a kind of preparation methods of medium-speed coal mill roller roller set, comprising the following steps: zirconium oxide is made pottery
Porcelain micro mist is pelletized after mixing with viscose, obtains zirconia ceramics particle；By the zirconia ceramics particle be placed in aluminium pot into
Row drying forming obtains zirconia ceramics-aluminium pot formed body；The multiple zirconia ceramics-aluminium pot formed bodys are fixed on roller
The outer surface of matrix is covered, and anti-overflow cover is set at the edge of roller set matrix, is then poured using potting syrup, described
The outer surface of roller set matrix forms wear-resistant composite bed, obtains medium-speed coal mill roller roller set.The present invention will be aoxidized using viscose
The granulation of zircon ceramic micro mist, and drying forming is carried out using aluminium pot as container, gained zirconia ceramics-aluminium pot formed body is fixed on
Roller covers the outer surface of matrix, and anti-overflow cover is arranged at the edge of roller set matrix, is then poured, is being poured using potting syrup
During note, the aluminium pot in zirconia ceramics-aluminium pot formed body can be melted, and zirconia ceramics particle can burst, the oxygen released
Change zircon ceramic micro mist to be sufficiently mixed with potting syrup, finally be uniformly distributed in the wear-resistant composite bed of roller set outer surface of matrix formation
In, be conducive to improve its wearability；Meanwhile the glue that adhesive action is played in zirconia ceramics particle carbonized remain in it is wear-resisting compound
In layer, be conducive to improve the control force to the diffusion of zirconia ceramics micro mist.Embodiment the results show that middling speed provided by the invention
The wear-resisting property of Roller of Coal Grinder roller set increases substantially, and actual run time can be more than 30000h.
Specific embodiment
The present invention provides a kind of preparation methods of medium-speed coal mill roller roller set, comprising the following steps:
It pelletizes after zirconia ceramics micro mist is mixed with viscose, obtains zirconia ceramics particle；
The zirconia ceramics particle is placed in aluminium pot and carries out drying forming, obtains zirconia ceramics-aluminium pot formed body；
The multiple zirconia ceramics-aluminium pot formed bodys are fixed on to the outer surface of roller set matrix, and cover base in the roller
Anti-overflow cover is arranged in the edge of body, is then poured using potting syrup, is formed in the outer surface of roller set matrix wear-resisting compound
Layer, obtains medium-speed coal mill roller roller set.
In the present invention, if without specified otherwise, the required raw material for preparing is commercial goods well known to those skilled in the art.
The present invention pelletizes after mixing zirconia ceramics micro mist with viscose, obtains zirconia ceramics particle.In the present invention
In, the granularity of the zirconia ceramics micro mist is preferably 0.5~1.5mm, more preferably 0.8~1.2mm；The zirconia ceramics
The granularity of particle is preferably 5~8mm, more preferably 6~7mm.The present invention does not have the specific type or dosage of the viscose
Have special restriction, using high-temperature plastic well known to those skilled in the art as viscose, can be by zirconia ceramics micro mist
It is bonded together the zirconia ceramics particle to form required granularity.The present invention does not have the concrete operations mode of the granulation
There is special restriction, can be extruding and rub sieve granulation with the hands, roll granulation, be also possible to squeeze and rub the compound granulation of sieve-rolling with the hands.
After obtaining zirconia ceramics particle, the zirconia ceramics particle is placed in aluminium pot and is dried by the present invention
Type obtains zirconia ceramics-aluminium pot formed body.In the present invention, the aluminium pot is preferably cylindric；The height of the aluminium pot is preferably
For 30~40mm, more preferably 35~40mm；Internal diameter is preferably 25~30mm, more preferably 28~30mm；Thickness is preferably 1.5
~2.5mm, more preferably 1.5~2.0mm.In the present invention, for the ease of it is subsequent by multiple zirconia ceramics-aluminium pots at
Type body is fixed on the outer surface of roller set matrix, and the bottom the center point of the aluminium pot is preferably provided with fixation hole；The fixation hole
Diameter is preferably 4~5mm (specific fixed form is described in detail later).In the present invention, the temperature of the drying forming is preferred
It is 80~120 DEG C, more preferably 90~110 DEG C；Time is preferably 3~5h, more preferably 3~4h.
In the present invention, during drying forming, the solvent volatilization of viscose, shape in the zirconia ceramics particle
The sphere for being 3~5mm at granularity may advantageously facilitate zirconia ceramics micro mist and roller cover the molten of matrix in subsequent casting process
It closes；The uniform diffusion for also contributing to zirconia ceramics micro mist simultaneously avoids segregation and aggregation, guarantees finally in roller set matrix
It is equally distributed wear-resistant composite bed that outer surface forms zirconia ceramics micro mist.
After obtaining zirconia ceramics-aluminium pot formed body, the present invention fixes the multiple zirconia ceramics-aluminium pot formed bodys
Anti-overflow cover is set in the outer surface of roller set matrix, and at the edge of roller set matrix, is then poured using potting syrup,
The outer surface of roller set matrix forms wear-resistant composite bed, obtains medium-speed coal mill roller roller set.In the present invention, the roller set
The material of matrix preferably includes rich chromium cast iron or medium chrome cast iron；Specific board of the present invention for the rich chromium cast iron and medium chrome cast iron
Number not special restriction, using rich chromium cast iron well known to those skilled in the art and medium chrome cast iron.The present invention is for institute
The preparation method for stating roller set matrix does not have special restriction, using method well known to those skilled in the art；In the present invention
In, the preparation method of the roller set matrix is preferably sand casting；Concrete operation step of the present invention for the sand casting
And parameter does not have special restriction, using the technical solution of sand casting well known to those skilled in the art.
After obtaining roller set matrix, the multiple zirconia ceramics-aluminium pot formed bodys are fixed on the roller and cover base by the present invention
The outer surface of body, and anti-overflow cover is set at the edge of roller set matrix.In the present invention, the zirconia ceramics-aluminium pot at
Density of the type body in the outer surface of roller set matrix is preferably 800~1100/m2, more preferably 900~1000/m2；This
Distribution mode of the invention for zirconia ceramics-aluminium pot formed body in the outer surface of roller set matrix does not have special restriction,
It is uniformly distributed.In the present invention, the mode of the fixation is preferably that heat-resisting reinforcing bar is mechanically fixed, that is, by heat-resisting reinforcing bar
One end penetrates the fixation hole of aluminium pot bottom, and other end mechanical interlock is in the outer surface of roller set matrix；In the present invention, described heat-resisting
The diameter of reinforcing bar is preferably 4~5mm；The present invention does not have special restriction for the specific trade mark of the heat-resisting reinforcing bar, using this
Heat-resisting reinforcing bar known to the technical staff of field.In the present invention, when carrying out subsequent casting, heat-resisting reinforcing bar and potting syrup meeting
It fuses together, is formed in the outer surface of roller set matrix wear-resistant composite bed；Due to the main component of heat-resisting reinforcing bar be iron and
Carbon, thus wear-resistant composite bed performance will not be impacted.It is special that the present invention does not have the mode of the mechanical interlock
It limits, using mode well known to those skilled in the art.
In the present invention, the material of the anti-overflow cover is preferably heat resisting steel；Specific board of the present invention for the heat resisting steel
Number not special restriction, using heat resisting steel well known to those skilled in the art；The aperture of the anti-overflow cover preferably≤
1.5mm.In the present invention, the edge of roller set matrix is arranged in the anti-overflow cover；The present invention is for specific set-up mode without spy
Different restriction, using set-up mode well known to those skilled in the art.The present invention is avoided by setting anti-overflow cover subsequent
Zirconia ceramics micro mist covers the side flow of matrix with potting syrup to roller after the explosion of zirconia ceramics particle in casting process.
Zirconia ceramics-aluminium pot formed body is fixed in the outer surface of roller set matrix and sets anti-overflow cover at its edge
Afterwards, the present invention is poured using potting syrup, is formed in the outer surface of roller set matrix wear-resistant composite bed, obtains middling speed coal-grinding
Machine grinds roll sleeve.In the present invention, the potting syrup preferably includes molten iron or molten steel.
In the present invention, more running channels and U-shaped running channel are preferably used when the casting；The present invention is for more running channels and U
The specific set-up mode of type running channel does not have special restriction, using mode well known to those skilled in the art.In the present invention
In, the temperature of the casting is preferably 1350~1450 DEG C, and more preferably 1380~1420 DEG C；The flow velocity of the potting syrup is preferred
For 40~60mm/min, more preferably 45~55mm/min；The wear-resistant composite bed thickness is preferably 22~28mm, more preferably
For 25mm.
In the present invention, in casting process, the aluminium pot (about 660 DEG C of fusing point) in zirconia ceramics-aluminium pot formed body is first
It first melts, zirconia ceramics particle can burst, and zirconia ceramics micro mist and the potting syrup released is sufficiently mixed, in the roller set
The outer surface of matrix forms wear-resistant composite bed, wherein by using more running channels and U-shaped running channel pouring type and control casting temperature
Degree, makes the flow velocity of potting syrup be limited in 40~60mm/min, advantageously forms uniform wear-resistant composite bed, avoids potting syrup pair
The problem of zirconia ceramics micro mist causes to wash away and it is caused to be unevenly distributed in wear-resistant composite bed, improves medium-speed pulverizer
Grind the wearability of roll sleeve.
Below in conjunction with the embodiment in the present invention, the technical solution in the present invention is clearly and completely described.It is aobvious
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
It is squeezed after the zirconia ceramics micro mist that granularity is 0.5~1.0mm is mixed with high-temperature plastic and rubs sieve granulation with the hands, obtain grain
Degree is the zirconia ceramics particle of 5~6mm；
The zirconia ceramics particle is placed in cylindric aluminium pot (a height of 40mm, internal diameter 30mm, with a thickness of 1.5mm, bottom
Portion's the center point is provided with the fixation hole that diameter is 5mm) in, drying forming 4h is carried out under the conditions of 110 DEG C, obtains zirconium oxide pottery
Porcelain-aluminium pot formed body；
The multiple zirconia ceramics-aluminium pot formed bodys are mechanically fastened at roller set base with the heat-resisting reinforcing bar that diameter is 5mm
(one end of heat-resisting reinforcing bar penetrates the fixation hole of aluminium pot bottom, appearance of the other end mechanical interlock in roller set matrix for the outer surface of body
Face), it is uniformly distributed, density is 1100/m2, and (aperture is in the edge setting heat resisting steel anti-overflow cover of roller set matrix
1.5mm), it is then poured by potting syrup of molten iron, wherein designed when casting using more running channels and U-shaped running channel, pouring temperature
It is 1380 DEG C, casting flow velocity is 45mm/min, is formed after casting complete in the outer surface of roller set matrix with a thickness of 26mm
It is wear-resistant composite bed, obtain medium-speed coal mill roller roller set.
Embodiment 2
Granulation is rolled after the zirconia ceramics micro mist that granularity is 1.0~1.5mm is mixed with high-temp glue, obtaining granularity is 5
The zirconia ceramics particle of~6mm；
The zirconia ceramics particle is placed in cylindric aluminium pot (a height of 40mm, internal diameter 30mm, with a thickness of 1.5mm, bottom
Portion's the center point is provided with the fixation hole that diameter is 5mm) in, drying forming 3h is carried out under the conditions of 90 DEG C, obtains zirconia ceramics-
Aluminium pot formed body；
The multiple zirconia ceramics-aluminium pot formed bodys are mechanically fastened at roller set base with the heat-resisting reinforcing bar that diameter is 5mm
(one end of heat-resisting reinforcing bar penetrates the fixation hole of aluminium pot bottom, appearance of the other end mechanical interlock in roller set matrix for the outer surface of body
Face), it is uniformly distributed, density is 800/m2, and (aperture is in the edge setting heat resisting steel anti-overflow cover of roller set matrix
1.5mm), it is then poured by potting syrup of molten iron, wherein designed when casting using more running channels and U-shaped running channel, pouring temperature
It is 1420 DEG C, casting flow velocity is 55mm/min, is formed after casting complete in the outer surface of roller set matrix with a thickness of 24mm
It is wear-resistant composite bed, obtain medium-speed coal mill roller roller set.
Embodiment 3
It is squeezed after the zirconia ceramics micro mist that granularity is 0.8~1.2mm is mixed with high-temp glue and rubs the compound system of sieve-rolling with the hands
Grain obtains the zirconia ceramics particle that granularity is 5~6mm；
The zirconia ceramics particle is placed in cylindric aluminium pot (a height of 40mm, internal diameter 30mm, with a thickness of 1.5mm, bottom
Portion's the center point is provided with the fixation hole that diameter is 5mm) in, drying forming 4h is carried out under the conditions of 100 DEG C, obtains zirconium oxide pottery
Porcelain-aluminium pot formed body；
The multiple zirconia ceramics-aluminium pot formed bodys are fixed on roller set matrix with the heat-resisting reinforcing bar that diameter is 5mm
Outer surface (one end of heat-resisting reinforcing bar penetrates the fixation hole of aluminium pot bottom, and other end mechanical interlock is in the outer surface of roller set matrix),
It is uniformly distributed, density is 1000/m2, and heat resisting steel anti-overflow cover (aperture 1.5mm) is set at the edge of roller set matrix,
Then it is poured by potting syrup of molten iron, wherein designed when casting using more running channels and U-shaped running channel, pouring temperature 1400
DEG C, casting flow velocity is 50mm/min, is formed after casting complete in the outer surface of roller set matrix with a thickness of the wear-resisting of 25mm
Composite layer obtains medium-speed coal mill roller roller set.
Comparative example 1
Medium-speed coal mill roller roller set is prepared according to method disclosed in patent CN207254424U.
It is prepared by Examples 1 to 3 and comparative example 1 medium-speed coal mill roller roller set and conventional roll set (i.e. roller set matrix,
Without containing wearing layer) it is tested for the property, it is as a result specific as shown in table 1.
Medium-speed coal mill roller roller prepared by 1 Examples 1 to 3 of table and comparative example 1 covers the performance test results
As shown in Table 1, phase is covered with medium-speed coal mill roller roller disclosed in conventional roll set and patent CN207254424U
Than the wear-resisting property of medium-speed coal mill roller roller set provided by the invention, which has, significantly to be promoted, and actual run time is more than
30000h。
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of medium-speed coal mill roller roller set, comprising the following steps:
It pelletizes after zirconia ceramics micro mist is mixed with viscose, obtains zirconia ceramics particle；
The zirconia ceramics particle is placed in aluminium pot and carries out drying forming, obtains zirconia ceramics-aluminium pot formed body；
The multiple zirconia ceramics-aluminium pot formed bodys are fixed on to the outer surface of roller set matrix, and in roller set matrix
Anti-overflow cover is arranged in edge, is then poured using potting syrup, is formed in the outer surface of roller set matrix wear-resistant composite bed, obtains
To medium-speed coal mill roller roller set.
2. preparation method according to claim 1, which is characterized in that the granularity of the zirconia ceramics micro mist be 0.5~
1.5mm。
3. preparation method according to claim 1 or 2, which is characterized in that the granularity of the zirconia ceramics particle be 5~
8mm。
4. preparation method according to claim 1, which is characterized in that the aluminium pot be it is cylindric, the aluminium pot it is a height of
30~40mm, internal diameter is 25~30mm, with a thickness of 1.5~2.5mm.
5. preparation method according to claim 1, which is characterized in that the temperature of the drying forming is 80~120 DEG C, when
Between be 3~5h.
6. preparation method according to claim 1, which is characterized in that the zirconia ceramics-aluminium pot formed body is described
The density that roller covers the outer surface of matrix is 800~1100/m2。
7. preparation method according to claim 1, which is characterized in that the mode of the fixation is solid for heat-resisting reinforcing steel bar machinery
It is fixed.
8. preparation method according to claim 1, which is characterized in that the material of the anti-overflow cover is heat resisting steel.
9. preparation method according to claim 1, which is characterized in that the temperature of the casting is 1350~1450 DEG C, institute
The flow velocity for stating potting syrup is 40~60mm/min.
10. preparation method according to claim 1, which is characterized in that described wear-resistant composite bed with a thickness of 22~28mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370824.0A CN110076323B (en) | 2019-05-06 | 2019-05-06 | Preparation method of medium-speed coal mill grinding roller sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370824.0A CN110076323B (en) | 2019-05-06 | 2019-05-06 | Preparation method of medium-speed coal mill grinding roller sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110076323A true CN110076323A (en) | 2019-08-02 |
| CN110076323B CN110076323B (en) | 2021-03-26 |
Family
ID=67418724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370824.0A Active CN110076323B (en) | 2019-05-06 | 2019-05-06 | Preparation method of medium-speed coal mill grinding roller sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110076323B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773277A (en) * | 2019-11-29 | 2020-02-11 | 安徽同创电力科技有限公司 | Combined metal ceramic composite integrated dynamic and static ring for coal mill and preparation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007224355A (en) * | 2006-02-23 | 2007-09-06 | Taiheiyo Cement Corp | Roller and its manufacturing method |
| CN102921925A (en) * | 2012-10-29 | 2013-02-13 | 江苏大学 | Method for reducing pouring temperature of iron-based surface composite material |
| CN103203428A (en) * | 2013-04-27 | 2013-07-17 | 北京电力设备总厂 | Lost foam casting type composite wear-resistant component and casting method thereof |
| CN105126959A (en) * | 2015-08-28 | 2015-12-09 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of detachable ceramic alloy composite grinding roller |
| CN105382243A (en) * | 2015-11-06 | 2016-03-09 | 洛阳鹏飞耐磨材料股份有限公司 | Manufacturing method of abrasion resisting grinding disk |
| CN106111946A (en) * | 2016-06-28 | 2016-11-16 | 王俊 | A kind of composite ceramics abrasion-resistant metal blank preparation method and goods thereof |
| CN207254424U (en) * | 2017-09-05 | 2018-04-20 | 国家电投集团重庆合川发电有限公司 | A kind of medium-speed coal mill roller roller set |
-
2019
- 2019-05-06 CN CN201910370824.0A patent/CN110076323B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007224355A (en) * | 2006-02-23 | 2007-09-06 | Taiheiyo Cement Corp | Roller and its manufacturing method |
| CN102921925A (en) * | 2012-10-29 | 2013-02-13 | 江苏大学 | Method for reducing pouring temperature of iron-based surface composite material |
| CN103203428A (en) * | 2013-04-27 | 2013-07-17 | 北京电力设备总厂 | Lost foam casting type composite wear-resistant component and casting method thereof |
| CN105126959A (en) * | 2015-08-28 | 2015-12-09 | 南通高欣耐磨科技股份有限公司 | Manufacturing method of detachable ceramic alloy composite grinding roller |
| CN105382243A (en) * | 2015-11-06 | 2016-03-09 | 洛阳鹏飞耐磨材料股份有限公司 | Manufacturing method of abrasion resisting grinding disk |
| CN106111946A (en) * | 2016-06-28 | 2016-11-16 | 王俊 | A kind of composite ceramics abrasion-resistant metal blank preparation method and goods thereof |
| CN207254424U (en) * | 2017-09-05 | 2018-04-20 | 国家电投集团重庆合川发电有限公司 | A kind of medium-speed coal mill roller roller set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773277A (en) * | 2019-11-29 | 2020-02-11 | 安徽同创电力科技有限公司 | Combined metal ceramic composite integrated dynamic and static ring for coal mill and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110076323B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104669131A (en) | Calcium sulfate whisker reinforced resin grinding wheel and preparation method thereof | |
| CN102601348B (en) | Metal ceramic reinforced body | |
| CN102618772B (en) | Metal-matrix composite ceramic liner plate and preparation method thereof | |
| CN108033783B (en) | Blast furnace slag chute castable and preparation method thereof | |
| CN110076323A (en) | A kind of preparation method of medium-speed coal mill roller roller set | |
| CN104841920A (en) | Composite long-life low-cost steel ladle air brick base brick and manufacturing method thereof | |
| CN107150111A (en) | A kind of centrifugal casting prepares the process of wear-resisting extruding roll sleeve | |
| CN107285747A (en) | A kind of production technology of fused alumina zirconia abrasive material | |
| CN101186030A (en) | Spring grinding abrasive wheel | |
| CN107903045A (en) | A kind of lower nozzle brick and preparation method thereof | |
| CN109663900A (en) | A kind of steel-based composite plate hammer and preparation method thereof | |
| CN108262440A (en) | The mixture core sand of high heat-resistant high-strength low bulk | |
| CN106956226A (en) | A kind of composite grinding block and preparation method thereof | |
| CN105598369B (en) | A kind of method of evaporative pattern production ceramic particle enhancing bimetallic base tup | |
| CN107214343A (en) | A kind of preparation method of gradient nozzle | |
| CN105461329A (en) | Preparation method of corundum-mullite funnel brick | |
| CN109396419A (en) | A kind of ceramic phase reinforcement and preparation method thereof | |
| WO2023060626A1 (en) | Cutting ring for concrete pump truck and manufacturing method therefor, and concrete pump truck | |
| CN110000714A (en) | A kind of ultra-thin resin abrasive cutting wheel of major diameter and preparation method thereof | |
| TW379157B (en) | Round-shaped-board-type coloring grinding wheel for cutting purposes and the manufacturing method | |
| CN108838909A (en) | A kind of stainless steel products Double End grinding ceramic hard grinding wheel and preparation method thereof | |
| CN109420989A (en) | A kind of resin diamond grinding wheel and preparation method thereof | |
| CN106278328A (en) | A kind of high usage regenerative magnesia-carbon brick and production method thereof | |
| CN106518108A (en) | Preparation method for flow guiding sand used for alloy steel | |
| WO2021074780A1 (en) | Method for the production of granular materials designed to be used for manufacturing articles in slab or block form from a mix |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |