CN107245650A - A kind of coal bunker liner plate for avoiding coal cinder from being bonded and preparation method thereof - Google Patents
A kind of coal bunker liner plate for avoiding coal cinder from being bonded and preparation method thereof Download PDFInfo
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- CN107245650A CN107245650A CN201710511316.0A CN201710511316A CN107245650A CN 107245650 A CN107245650 A CN 107245650A CN 201710511316 A CN201710511316 A CN 201710511316A CN 107245650 A CN107245650 A CN 107245650A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
Abstract
The invention discloses a kind of coal bunker liner plate for avoiding coal cinder from being bonded and preparation method thereof, comprise the following steps：S1 prepares sand mold；Alloy raw material melting is obtained compound A by S2；S3 adds the Re progress Metamorphism treatments that mass parts are 20~26 parts into compound A and obtains compound B；S4 adds ladle covering agent into compound B and obtains compound C；Compound C temperature adjustments to being cast in sand mold after 1480~1500 DEG C, are then cooled down case-opening goods-taking casting A after 1~1.5h by S5；Casting A is put into heat-treatment furnace and obtains casting B by S6；S7 obtains casting C；S8 is drawn off after casting C is cooled to below 40 DEG C, and coal bunker liner plate is obtained after deburring and polishing.The device have the advantages that：With excellent anti-wear performance so as to avoid bonding, the efficiency of producing coal of coal bunker is improved.
Description
Technical field
The invention belongs to abrasion-proof backing block technical field, and in particular to a kind of coal bunker liner plate for avoiding coal cinder from being bonded and its preparation
Method.
Background technology
Coal bunker is a kind of tun stored dedicated for coal, is also one of most important equipment of coal supply link.I
State is output of coal big country, even more consumption of coal big country, therefore in many areas of China, due to the scarcity of resource and falling for logistics
Afterwards, cause the supply of coal resources to there is certain shortage, especially further expanded with this breach of coal busy season and cause work
Industry production is influenceed by serious, and then has influence on the economic development of locality.In this case, the effect of coal bunker is able to body
It is existing.Substantial amounts of coal is stored in coal bunker with coal dull season, after the stand-by coal busy season arrives, certain coal reserves could meet life
Produce the need for living.But for coal bunker, only meet storage function or far from being enough.Due to the size shape of coal cinder
Shape is different, and frictional force is big between coal cinder, and long, the moisture in air can cause the bonding of coal cinder to storage time, therefore in addition
Chute blockage phenomenon can be caused to occur when opening a position coal supply, the export of coal has been had a strong impact on.
At present, people have developed many coal bunker liner plates, the purpose is to improve bulkhead to solve chute blockage this problem
Wearability, anticorrosive property, and reduction coefficient of friction, prevent viscous coal.The working environment of abrasion-proof backing block is extremely complex, and some are wear-resisting
Liner plate needs to work under the conditions of the bad working environments such as heavy duty, impact, burn into dust, steam, dregs, is frequently utilized for mine, machine
The occasions such as tool, water power, coal, harbour, metallurgy, these environment can cause the huge loss and energy waste of abrasion-proof backing block.
The content of the invention
It is an object of the invention to overcome deficiency of the prior art there is provided one kind to avoid coal cinder from being bonded and effectively improve resistance to
Grind coal bunker liner plate of performance and preparation method thereof.
To solve prior art problem, the invention discloses a kind of coal bunker liner plate for avoiding coal cinder from being bonded, by mass fraction
Calculating includes：200~260 parts of C, 40~60 parts of Si, 30~50 parts of Mn, 400~600 parts of Cr, 100~160 parts
Mo, 100~140 parts of Cu, 20~40 parts of V, 4~6 parts of Sn, 2~4 parts of Te, 2~4 parts of Ce, 4~6 parts of Zr, 2~
4 parts of P, 0.1~0.3 part of S, 20~26 parts of Re, B and 8000~9000 of 10~14 parts part of Fe.
Further, calculating as mass fraction includes following component：200 parts of C, 40 parts of Si, 30 parts of Mn, 400 parts
Cr, 100 parts of Mo, 100 parts of Cu, 20 parts of V, 4 parts of Sn, 2 parts of Te, 2 parts of Ce, 4 parts of Zr, 2 parts of P, 0.1 part
S, 20 parts of Re, B and 8000 of 10 parts part of Fe.
Further, calculating as mass fraction includes following component：260 parts of C, 60 parts of Si, 50 parts of Mn, 600 parts
Cr, 160 parts of Mo, 140 parts of Cu, 40 parts of V, 6 parts of Sn, 4 parts of Te, 4 parts of Ce, 6 parts of Zr, 4 parts of P, 0.3 part
S, 26 parts of Re, B and 9000 of 14 parts part of Fe.
Further, calculating as mass fraction includes following component：230 parts of C, 50 parts of Si, 40 parts of Mn, 500 parts
Cr, 130 parts of Mo, 120 parts of Cu, 30 parts of V, 5 parts of Sn, 3 parts of Te, 3 parts of Ce, 5 parts of Zr, 3 parts of P, 0.2 part
S, 23 parts of Re, B and 8500 of 12 parts part of Fe.
The invention also discloses a kind of preparation method of coal bunker liner plate, comprise the following steps：
S1 prepares sand mold；
S2 by alloy raw material melting obtain containing mass parts for 200~260 parts C, 40~60 parts of Si, 30~50 parts of Mn,
400~600 parts of Cr, 100~160 parts of Mo, 100~140 parts of Cu, 20~40 parts of V, 4~6 parts of Sn, 2~4 parts
Te, 2~4 parts of Ce, 4~6 parts of Zr, 2~4 parts of P, 0.1~0.3 part of S, B and 8000~9000 of 10~14 parts part
Fe compound A；
S3 adds the Re progress Metamorphism treatments that mass parts are 20~26 parts into compound A and obtains compound B；
S4 adds ladle covering agent into compound B and obtains compound C；
Compound C temperature adjustments to being cast in sand mold after 1480~1500 DEG C, are then cooled down case-opening goods-taking casting A after 1~1.5h by S5；
Casting A is put into heat-treatment furnace by S6, and is persistently incubated after being warming up to 1050 DEG C with 10 DEG C/min heating rate, is incubated
Furnace cooling obtains casting B after end；
S7 is persistently incubated after heat-treatment furnace is cooled to after being warming up to 450 DEG C again with 12 DEG C/min heating rate after 150 DEG C, is protected
Temperature terminates rear furnace cooling and obtains casting C；
S8 is drawn off after casting C is cooled to below 40 DEG C, and coal bunker liner plate is obtained after deburring and polishing.
Further, in S6, casting A is incubated 1.4~1.6h, 340~360 at 220 DEG C successively in temperature-rise period
DEG C insulation 1.3~1.5h, at 580~640 DEG C be incubated 1.2~1.4h, at 1050 DEG C be incubated 1~1.2h.
Further, in S7, casting B is incubated 1~1.2 hour at 280~320 DEG C successively in temperature-rise period,
0.8~1h is incubated at 450 DEG C.
Further, in S1, the die cavity of sand mold is rectangular parallelepiped structure, its size be length × width x thickness=（100~120）cm
×（60~80）cm×（1~2）cm.
Further, the size of sand mold is length × width x thickness=100cm × 60cm × 1cm.
Further, the size of sand mold is length × width x thickness=120cm × 80cm × 2cm.
The device have the advantages that：With excellent anti-wear performance so as to avoid bonding, the effect of producing coal of coal bunker is improved
Rate.
Embodiment
The invention will be further described below.Following examples are only used for clearly illustrating the technical side of the present invention
Case, and can not be limited the scope of the invention with this.
Embodiment one
A kind of coal bunker liner plate for avoiding coal cinder from being bonded, calculate includes following component as mass fraction：200 parts of C, 40 parts of Si,
30 parts of Mn, 400 parts of Cr, 100 parts of Mo, 100 parts of Cu, 20 parts of V, 4 parts of Sn, 2 parts of Te, 2 parts of Ce, 4 parts
Zr, 2 parts of P, 0.1 part of S, 20 parts of Re, B and 8000 of 10 parts part of Fe.
In the present embodiment, coal bunker liner plate preparation method comprises the following steps：
S1 prepares sand mold, and the die cavity of sand mold is rectangular parallelepiped structure, and its size is length × width x thickness=100cm × 60cm × 1cm.
S2 by alloy raw material melting obtain containing mass parts for 200 parts C, 40 parts of Si, 30 parts of Mn, 400 parts of Cr,
100 parts of Mo, 100 parts of Cu, 20 parts of V, 4 parts of Sn, 2 parts of Te, 2 parts of Ce, 4 parts of Zr, 2 parts of P, 0.1 part of S,
10 parts of B and 8000 part of Fe compound A.
S3 adds the Re progress Metamorphism treatments that mass parts are 20 parts into compound A and obtains compound B.
S4 adds ladle covering agent into compound B and obtains compound C.
Compound C temperature adjustments to being cast in sand mold after 1480 DEG C, are then cooled down case-opening goods-taking casting A after 1h by S5.
Casting A is put into heat-treatment furnace by S6, and is persistently incubated after being warming up to 1050 DEG C with 10 DEG C/min heating rate,
Insulation terminates rear furnace cooling and obtains casting B.Casting A is incubated 1.4h at 220 DEG C successively in temperature-rise period, in 340 DEG C of guarantors
Warm 1.3h, 1.2h is incubated at 580 DEG C, and 1h is incubated at 1050 DEG C.
S7 is persistently protected after heat-treatment furnace is cooled to after being warming up to 450 DEG C again with 12 DEG C/min heating rate after 150 DEG C
Temperature, insulation terminates rear furnace cooling and obtains casting C.Casting B is incubated 1 hour, 450 at 280 DEG C successively in temperature-rise period
DEG C when be incubated 0.8h.
S8 is drawn off after casting C is cooled to below 40 DEG C, and coal bunker liner plate is obtained after deburring and polishing.
Embodiment two
A kind of coal bunker liner plate for avoiding coal cinder from being bonded, calculate includes following component as mass fraction：260 parts of C, 60 parts of Si,
50 parts of Mn, 600 parts of Cr, 160 parts of Mo, 140 parts of Cu, 40 parts of V, 6 parts of Sn, 4 parts of Te, 4 parts of Ce, 6 parts
Zr, 4 parts of P, 0.3 part of S, 26 parts of Re, B and 9000 of 14 parts part of Fe.
In the present embodiment, coal bunker liner plate preparation method comprises the following steps：
S1 prepares sand mold, and the die cavity of sand mold is rectangular parallelepiped structure, and its size is length × width x thickness=120cm × 80cm × 2cm.
S2 by alloy raw material melting obtain containing mass parts for 260 parts C, 60 parts of Si, 50 parts of Mn, 600 parts of Cr,
160 parts of Mo, 140 parts of Cu, 40 parts of V, 6 parts of Sn, 4 parts of Te, 4 parts of Ce, 6 parts of Zr, 4 parts of P, 0.3 part of S,
14 parts of B and 9000 part of Fe compound A.
S3 adds the Re progress Metamorphism treatments that mass parts are 26 parts into compound A and obtains compound B.
S4 adds ladle covering agent into compound B and obtains compound C.
Compound C temperature adjustments to being cast in sand mold after 1500 DEG C, are then cooled down case-opening goods-taking casting A after 1.5h by S5.
Casting A is put into heat-treatment furnace by S6, and is persistently incubated after being warming up to 1050 DEG C with 10 DEG C/min heating rate,
Insulation terminates rear furnace cooling and obtains casting B.Casting A is incubated 1.6h at 220 DEG C successively in temperature-rise period, in 360 DEG C of guarantors
Warm 1.5h, 1.4h is incubated at 640 DEG C, and 1.2h is incubated at 1050 DEG C.
S7 is persistently protected after heat-treatment furnace is cooled to after being warming up to 450 DEG C again with 12 DEG C/min heating rate after 150 DEG C
Temperature, insulation terminates rear furnace cooling and obtains casting C.Casting B is incubated 1.2 hours at 320 DEG C successively in temperature-rise period,
1h is incubated at 450 DEG C.
S8 is drawn off after casting C is cooled to below 40 DEG C, and coal bunker liner plate is obtained after deburring and polishing.
Embodiment three
A kind of coal bunker liner plate for avoiding coal cinder from being bonded, calculate includes following component as mass fraction：230 parts of C, 50 parts of Si,
40 parts of Mn, 500 parts of Cr, 130 parts of Mo, 120 parts of Cu, 30 parts of V, 5 parts of Sn, 3 parts of Te, 3 parts of Ce, 5 parts
Zr, 3 parts of P, 0.2 part of S, 23 parts of Re, B and 8500 of 12 parts part of Fe.
In the present embodiment, the preparation method of coal bunker liner plate comprises the following steps：
S1 prepares sand mold, and the die cavity of sand mold is rectangular parallelepiped structure, and its size is length × width x thickness=110cm × 70cm × 1.5cm.
S2 by alloy raw material melting obtain containing mass parts for 230 parts C, 50 parts of Si, 40 parts of Mn, 500 parts of Cr,
130 parts of Mo, 120 parts of Cu, 30 parts of V, 5 parts of Sn, 3 parts of Te, 3 parts of Ce, 5 parts of Zr, 3 parts of P, 0.2 part of S,
12 parts of B and 8500 part of Fe compound A.
S3 adds the Re progress Metamorphism treatments that mass parts are 23 parts into compound A and obtains compound B.
S4 adds ladle covering agent into compound B and obtains compound C.
Compound C temperature adjustments to being cast in sand mold after 1490 DEG C, are then cooled down case-opening goods-taking casting A after 1.25h by S5.
Casting A is put into heat-treatment furnace by S6, and is persistently incubated after being warming up to 1050 DEG C with 10 DEG C/min heating rate,
Insulation terminates rear furnace cooling and obtains casting B.Casting A is incubated 1.5h at 220 DEG C successively in temperature-rise period, in 350 DEG C of guarantors
Warm 1.4h, 1.3h is incubated at 610 DEG C, and 1.1h is incubated at 1050 DEG C.
S7 is persistently protected after heat-treatment furnace is cooled to after being warming up to 450 DEG C again with 12 DEG C/min heating rate after 150 DEG C
Temperature, insulation terminates rear furnace cooling and obtains casting C.Casting B is incubated 1.1 hours at 300 DEG C successively in temperature-rise period,
0.9h is incubated at 450 DEG C.
S8 is drawn off after casting C is cooled to below 40 DEG C, and coal bunker liner plate is obtained after deburring and polishing.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of coal bunker liner plate for avoiding coal cinder from being bonded, it is characterised in that：Include as mass fraction：200~260 parts of C,
40~60 parts of Si, 30~50 parts of Mn, 400~600 parts of Cr, 100~160 parts of Mo, 100~140 parts of Cu, 20~40
Part V, 4~6 parts of Sn, 2~4 parts of Te, 2~4 parts of Ce, 4~6 parts of Zr, 2~4 parts of P, 0.1~0.3 part of S, 20
~26 parts of Re, B and 8000~9000 of 10~14 parts part of Fe.
2. a kind of coal bunker liner plate for avoiding coal cinder from being bonded according to claim 1, it is characterised in that：Calculate as mass fraction
Including following component：200 parts of C, 40 parts of Si, 30 parts of Mn, 400 parts of Cr, 100 parts of Mo, 100 parts of Cu, 20 parts
V, 4 parts of Sn, 2 parts of Te, 2 parts of Ce, 4 parts of Zr, 2 parts of P, 0.1 part of S, 20 parts of Re, B and 8000 of 10 parts part
Fe。
3. a kind of coal bunker liner plate for avoiding coal cinder from being bonded according to claim 1, it is characterised in that：Calculate as mass fraction
Including following component：260 parts of C, 60 parts of Si, 50 parts of Mn, 600 parts of Cr, 160 parts of Mo, 140 parts of Cu, 40 parts
V, 6 parts of Sn, 4 parts of Te, 4 parts of Ce, 6 parts of Zr, 4 parts of P, 0.3 part of S, 26 parts of Re, B and 9000 of 14 parts part
Fe。
4. a kind of coal bunker liner plate for avoiding coal cinder from being bonded according to claim 1, it is characterised in that：Calculate as mass fraction
Including following component：230 parts of C, 50 parts of Si, 40 parts of Mn, 500 parts of Cr, 130 parts of Mo, 120 parts of Cu, 30 parts
V, 5 parts of Sn, 3 parts of Te, 3 parts of Ce, 5 parts of Zr, 3 parts of P, 0.2 part of S, 23 parts of Re, B and 8500 of 12 parts part
Fe。
5. a kind of preparation method of coal bunker liner plate, it is characterised in that：Comprise the following steps：
S1 prepares sand mold；
S2 by alloy raw material melting obtain containing mass parts for 200~260 parts C, 40~60 parts of Si, 30~50 parts of Mn,
400~600 parts of Cr, 100~160 parts of Mo, 100~140 parts of Cu, 20~40 parts of V, 4~6 parts of Sn, 2~4 parts
Te, 2~4 parts of Ce, 4~6 parts of Zr, 2~4 parts of P, 0.1~0.3 part of S, B and 8000~9000 of 10~14 parts part
Fe compound A；
S3 adds the Re progress Metamorphism treatments that mass parts are 20~26 parts into the compound A and obtains compound B；
S4 adds ladle covering agent into the compound B and obtains compound C；
The compound C temperature adjustments are cooled down and unpacked after 1~1.5h by S5 to being cast in the sand mold after 1480~1500 DEG C, then
Take casting A；
The casting A is put into heat-treatment furnace by S6, and is persistently incubated after being warming up to 1050 DEG C with 10 DEG C/min heating rate,
Insulation terminates rear furnace cooling and obtains casting B；
S7 is persistently protected after the heat-treatment furnace is cooled to after being warming up to 450 DEG C again with 12 DEG C/min heating rate after 150 DEG C
Temperature, insulation terminates rear furnace cooling and obtains casting C；
S8 is drawn off after the casting C is cooled to below 40 DEG C, and coal bunker liner plate is obtained after deburring and polishing.
6. preparation method according to claim 5, it is characterised in that：In S6, the casting A is in temperature-rise period, successively
1.4~1.6h is incubated at 220 DEG C, 1.3~1.5h is incubated at 340~360 DEG C, 1.2~1.4h is incubated at 580~640 DEG C,
1~1.2h is incubated at 1050 DEG C.
7. preparation method according to claim 5, it is characterised in that：In S7, the casting B is in temperature-rise period, successively
1~1.2 hour is incubated at 280~320 DEG C, 0.8~1h is incubated at 450 DEG C.
8. preparation method according to claim 5, it is characterised in that：In S1, the die cavity of the sand mold is rectangular parallelepiped structure,
Its size be length × width x thickness=（100~120）cm×（60~80）cm×（1~2）cm.
9. preparation method according to claim 8, it is characterised in that：The size of the sand mold is length × width x thickness=100cm
×60cm×1cm。
10. preparation method according to claim 8, it is characterised in that：The size of the sand mold be length × width x thickness=
120cm×80cm×2cm。
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| CN201710511316.0A CN107245650A (en) | 2017-06-29 | 2017-06-29 | A kind of coal bunker liner plate for avoiding coal cinder from being bonded and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710511316.0A CN107245650A (en) | 2017-06-29 | 2017-06-29 | A kind of coal bunker liner plate for avoiding coal cinder from being bonded and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003034840A (en) * | 2001-07-23 | 2003-02-07 | Nippon Steel Corp | Steel for machine structure superior in machinability |
| CN101613826A (en) * | 2009-07-11 | 2009-12-30 | 祁阳宇晖机电实业有限公司 | Make the high chromium wear resistance white cast iron that the low-speed rolled crusher liner plate is used |
| CN103639357A (en) * | 2013-12-25 | 2014-03-19 | 马鞍山市盛磊耐磨合金制造有限公司 | Preparation method of bowl milling liner plate of coal mill |
| CN104805381A (en) * | 2015-05-14 | 2015-07-29 | 贾现书 | Medium-chromium multi-element self-lubricating alloy steel and preparation method thereof |
-
2017
- 2017-06-29 CN CN201710511316.0A patent/CN107245650A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003034840A (en) * | 2001-07-23 | 2003-02-07 | Nippon Steel Corp | Steel for machine structure superior in machinability |
| CN101613826A (en) * | 2009-07-11 | 2009-12-30 | 祁阳宇晖机电实业有限公司 | Make the high chromium wear resistance white cast iron that the low-speed rolled crusher liner plate is used |
| CN103639357A (en) * | 2013-12-25 | 2014-03-19 | 马鞍山市盛磊耐磨合金制造有限公司 | Preparation method of bowl milling liner plate of coal mill |
| CN104805381A (en) * | 2015-05-14 | 2015-07-29 | 贾现书 | Medium-chromium multi-element self-lubricating alloy steel and preparation method thereof |
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Application publication date: 20171013 |