CN105316601B - Lining plate for hard rock crusher and preparing method for lining plate - Google Patents
Lining plate for hard rock crusher and preparing method for lining plate Download PDFInfo
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- CN105316601B CN105316601B CN201510726712.6A CN201510726712A CN105316601B CN 105316601 B CN105316601 B CN 105316601B CN 201510726712 A CN201510726712 A CN 201510726712A CN 105316601 B CN105316601 B CN 105316601B
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Abstract
The invention provides a lining plate for a hard rock crusher and a preparing method for the lining plate. The raw materials include, by weight, 0.25-0.29% of C, 0.1-0.13% of Si, 3.4-3.7% of Mn, 0.1-0.2% of Ni, 0.12-0.17% of Mo, 0.11-0.13% of V, 0.07-0.09% of W, 0.02-0.04% of P, 0.04-0.05% of Mg, 0.1-0.3% of S, 0.12-0.16% of Cu and the balance Fe. By means of the preparing method, the abrasion resistance and the corrosion resistance of the structure of the lining plate are greatly improved. The process is simple, suitable for large-scale industrial production and capable of being further applied and popularized.
Description
Technical field
The present invention relates to abrasion-proof backing block field, and in particular to a kind of hard rock disintegrating machine liner plate and preparation method thereof.
Background technology
Now on mining equipment, it is often necessary to which mined ore is processed further, but exploitation
The ore that goes out is of different sizes to be not easy to be processed further processing, and needs to carry out at disintegrating machine the ore of firm exploitation
Reason, carries out classifying crushing according to the size of ore.
But ore crusher due to the hardness is bigger of ore, can frequently result in ore reduction when carrying out broken
The corrupted of machine, friction when crushing so that the inner wall abrasion of disintegrating machine is serious, greatly reduces its service life, some ores
This can remain some acidic materials during the exploitation, and when carrying out break process, acidic materials overflow, can be to broken
Machine machinery causes certain corrosion, it will usually increase a kind of lining plate structure to increase its wearability in the inwall of disintegrating machine.
The content of the invention
For the deficiencies in the prior art, the invention provides a kind of hard rock disintegrating machine liner plate and preparation method thereof so that
The hardness of liner plate is improved and is further enhanced, and wearability increases, while enhancing corrosion resistance.
For realizing object above, the present invention is achieved by the following technical programs：
A kind of hard rock disintegrating machine liner plate, the percentage by weight of raw material is：C：0.25-0.29%, Si：0.1-0.13%,
Mn：3.4-3.7%, Ni：0.1-0.2%, Mo：0.12-0.17%, V：0.11-0.13%, W：0.07-0.09%, P：0.02-
0.04%th, Mg：0.04-0.05%, S：0.1-0.3%, Cu：0.12-0.16%, remaining is Fe.
Preferably, described raw material weight percentage is：C：0.26-0.28%, Si：0.11-0.13%, Mn：3.5-
3.7%th, Ni：0.14-0.2%, Mo：0.13-0.16%, V：0.12-0.13%, W：0.07-0.08%, P：0.02-0.03%,
Mg：0.04-0.05%, S：0.1-0.2%, Cu：0.13-0.15%, remaining is Fe.
Preferably, the percentage by weight of described raw material is：C：0.26%th, Si：0.12%th, Mn：3.5%th, Ni：
0.16%th, Mo：0.14%th, V：0.12%th, W：0.08%th, P：0.03%th, Mg：0.04%th, S：0.2%th, Cu：0.13%, remaining
For Fe.
Preferably, its preparation method of described hard rock disintegrating machine liner plate, step are as follows：
1), scrap iron raw material is melted, temperature 1550-1558 DEG C, and control time 0.5-1 hour is controlled；
2), by step 1) raw material rise 1577-1581 DEG C of high-temperature, by raw material than continuing addition containing element in original
Iron ore, controls melting time 1-2 hour；
3) by step 2) liquation is imported in mould, is cast, until being cooled to room temperature, molds；
4) the mould shape of shaping is carried out into hyperthermic treatment to 670-750 DEG C in 40 minutes, is incubated 70-80 minutes, then at 30 points
Temperature is risen to into 980-1100 DEG C in clock, 20 minutes is incubated, 950-980 DEG C is cooled the temperature within 8-10 minutes, be incubated 4 points
Clock, continued for temperature to rise to 1210-1230 DEG C in 10 minutes, is incubated 5 minutes, then cooled the temperature to 550-580 in 20 minutes
DEG C, 10 minutes are incubated, room temperature is finally air cooled to.
The invention provides a kind of hard rock disintegrating machine liner plate and preparation method thereof, can increase containing carbon, silicon in raw material
The yield point and tensile strength of liner plate, strengthen lining plate structure corrosion resistance, manganese element can strengthen lining plate structure intensity and
Hardness, improves the hot-working character of structure, while controlling the content of phosphorus, element sulphur, lifts plasticity, improves machining work
Skill, originally in the nickel that contains can improve the intensity of liner steel so as to keep good plasticity and toughness, molybdenum element is in alloy material
Thermostrength can be improved in material, can keep liner plate alloy material that there is enough intensity and creep resistant energy in high temperature
Power, also improves mechanical performance, and in raw material, a small amount of wolfram element and carbon form tungsten carbide at high temperature so that liner plate it is hard
Degree and wearability bar.Each element effectively can be fused together by the proportioning of raw material, reached certain effect, enhanced alloy
Anti-wear performance, decay resistance also get a promotion, and whole preparation technology is relatively simple, and repeated hardening technique is reasonable in design, is easy to
The production that becomes more meticulous on a small scale of medium-sized and small enterprises.
Specific embodiment
For making purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the enforcement of the present invention
Example, is clearly and completely described to the technical scheme in the embodiment of the present invention.Based on the embodiment in the present invention, this area
The every other embodiment obtained under the premise of creative work is not made by those of ordinary skill, belongs to protection of the present invention
Scope.
Embodiment 1：
The present embodiment provides a kind of percentage by weight of hard rock disintegrating machine liner plate raw material：C：0.26%th, Si：
0.12%th, Mn：3.5%th, Ni：0.16%th, Mo：0.14%th, V：0.12%th, W：0.08%th, P：0.03%th, Mg：0.04%th, S：
0.2%th, Cu：0.13%, remaining is Fe.
Its preparation method of hard rock disintegrating machine liner plate, step are as follows：
1), scrap iron raw material is melted, temperature 1550-1558 DEG C, and control time 0.5 hour is controlled；
2), by step 1) raw material rise 1577-1581 DEG C of high-temperature, by raw material than continuing addition containing element in original
Iron ore, controls 1 hour melting time；
3) by step 2) liquation is imported in mould, is cast, until being cooled to room temperature, molds；
4) the mould shape of shaping is carried out into hyperthermic treatment to 670-750 DEG C in 40 minutes, is incubated 70-80 minutes, then at 30 points
Temperature is risen to into 980-1100 DEG C in clock, 20 minutes is incubated, 950-980 DEG C is cooled the temperature within 8-10 minutes, be incubated 4 points
Clock, continued for temperature to rise to 1210-1230 DEG C in 10 minutes, is incubated 5 minutes, then cooled the temperature to 550-580 in 20 minutes
DEG C, 10 minutes are incubated, room temperature is finally air cooled to.
Embodiment 2：
A kind of hard rock disintegrating machine liner plate, the percentage by weight of raw material is：C：0.28%th, Si：0.12%th, Mn：3.6%th,
Ni：0.2%th, Mo：0.16%th, V：0.13%th, W：0.07%th, P：0.02%th, Mg：0.05%th, S：0.1%th, Cu：0.15%, its
It is remaining for Fe.
Its preparation method of hard rock disintegrating machine liner plate, step are as follows：
1), scrap iron raw material is melted, temperature 1550-1558 DEG C, and control time 1 hour is controlled；
2), by step 1) raw material rise 1577-1581 DEG C of high-temperature, by raw material than continuing addition containing element in original
Iron ore, controls 1.5 hours melting times；
3) by step 2) liquation is imported in mould, is cast, until being cooled to room temperature, molds；
4) the mould shape of shaping is carried out into hyperthermic treatment to 670-750 DEG C in 40 minutes, is incubated 70-80 minutes, then at 30 points
Temperature is risen to into 980-1100 DEG C in clock, 20 minutes is incubated, 950-980 DEG C is cooled the temperature within 8-10 minutes, be incubated 4 points
Clock, continued for temperature to rise to 1210-1230 DEG C in 10 minutes, is incubated 5 minutes, then cooled the temperature to 550-580 in 20 minutes
DEG C, 10 minutes are incubated, room temperature is finally air cooled to.
Embodiment 3：
A kind of hard rock disintegrating machine liner plate, the percentage by weight of raw material is：C：0.25%th, Si：0.1%th, Mn：3.7%th,
Ni：0.1%th, Mo：0.12%th, V：0.13%th, W：0.09%th, P：0.02%th, Mg：0.04%th, S：0.3%th, Cu：0.16%, its
It is remaining for Fe.
Its preparation method of hard rock disintegrating machine liner plate, step are as follows：
1), scrap iron raw material is melted, temperature 1550-1558 DEG C, and control time 1 hour is controlled；
2), by step 1) raw material rise 1577-1581 DEG C of high-temperature, by raw material than continuing addition containing element in original
Iron ore, controls 1 hour melting time；
3) by step 2) liquation is imported in mould, is cast, until being cooled to room temperature, molds；
4) the mould shape of shaping is carried out into hyperthermic treatment to 670-750 DEG C in 40 minutes, is incubated 70-80 minutes, then at 30 points
Temperature is risen to into 980-1100 DEG C in clock, 20 minutes is incubated, 950-980 DEG C is cooled the temperature within 8-10 minutes, be incubated 4 points
Clock, continued for temperature to rise to 1210-1230 DEG C in 10 minutes, is incubated 5 minutes, then cooled the temperature to 550-580 in 20 minutes
DEG C, 10 minutes are incubated, room temperature is finally air cooled to.
Embodiment 4：
A kind of hard rock disintegrating machine liner plate, the percentage by weight of raw material is：C：0.29%th, Si：0.13%th, Mn：3.4%th,
Ni：0.2%th, Mo：0.17%th, V：0.11%th, W：0.07%th, P：0.04%th, Mg：0.05%th, S：0.1%th, Cu：0.12%, its
It is remaining for Fe.
Its preparation method of hard rock disintegrating machine liner plate, step are as follows：
1), scrap iron raw material is melted, temperature 1550-1558 DEG C, and control time 0.5 hour is controlled；
2), by step 1) raw material rise 1577-1581 DEG C of high-temperature, by raw material than continuing addition containing element in original
Iron ore, controls 2 hours melting times；
3) by step 2) liquation is imported in mould, is cast, until being cooled to room temperature, molds；
4) the mould shape of shaping is carried out into hyperthermic treatment to 670-750 DEG C in 40 minutes, is incubated 70-80 minutes, then at 30 points
Temperature is risen to into 980-1100 DEG C in clock, 20 minutes is incubated, 950-980 DEG C is cooled the temperature within 8-10 minutes, be incubated 4 points
Clock, continued for temperature to rise to 1210-1230 DEG C in 10 minutes, is incubated 5 minutes, then cooled the temperature to 550-580 in 20 minutes
DEG C, 10 minutes are incubated, room temperature is finally air cooled to.
The hard rock disintegrating machine lining plate structure wearability and decay resistance that the present invention is provided is further enhanced, just
In industrialized production.
Above example only to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：Which still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (2)
1. a kind of hard rock disintegrating machine liner plate, it is characterised in that the percentage by weight of raw material is：C：0.26%th, Si：0.12%th,
Mn：3.5%th, Ni：0.16%th, Mo：0.14%th, V：0.12%th, W：0.08%th, P：0.03%th, Mg：0.04%th, S：0.2%th, Cu：
0.13%, remaining is Fe.
2. the preparation method of hard rock disintegrating machine liner plate as claimed in claim 1, it is characterised in that step is as follows：
1), scrap iron raw material is melted, temperature 1550-1558 DEG C, and control time 0.5-1 hour is controlled；
2), by step 1) raw material rise 1577-1581 DEG C of high-temperature, by raw material than continue addition the iron ore containing element in raw material
Stone, controls melting time 1-2 hour；
3), by step 2) liquation is imported in mould, is cast, until being cooled to room temperature, molds；
4) model of shaping is carried out into hyperthermic treatment to 670-750 DEG C in 40 minutes, 70-80 minutes are incubated, then in 30 minutes
Temperature is risen to into 980-1100 DEG C, 20 minutes is incubated, 950-980 DEG C is cooled the temperature within 8-10 minutes, be incubated 4 minutes, 10
Continue for temperature to rise to 1210-1230 DEG C in minute, be incubated 5 minutes, then 550-580 DEG C cooled the temperature in 20 minutes, protect
Temperature 10 minutes, is finally air cooled to room temperature.
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| CN201510726712.6A CN105316601B (en) | 2015-10-28 | 2015-10-28 | Lining plate for hard rock crusher and preparing method for lining plate |
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| CN201510726712.6A CN105316601B (en) | 2015-10-28 | 2015-10-28 | Lining plate for hard rock crusher and preparing method for lining plate |
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| CN105316601B true CN105316601B (en) | 2017-03-22 |
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Citations (7)
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|---|---|---|---|---|
| CN1042950A (en) * | 1989-12-30 | 1990-06-13 | 清华大学 | Bainite/martensite multi-phase steel with air-cooled high hardenability |
| CN102912255A (en) * | 2012-10-23 | 2013-02-06 | 神华集团有限责任公司 | Wear-resisting cast steel and preparation method thereof |
| CN103602911A (en) * | 2013-11-20 | 2014-02-26 | 滁州学院 | High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof |
| CN103667989A (en) * | 2013-11-20 | 2014-03-26 | 马鞍山市益丰实业集团有限公司 | Rare-earth wear-resistant stainless steel lining board material and preparation method thereof |
| CN103993246A (en) * | 2014-04-23 | 2014-08-20 | 中建材宁国新马耐磨材料有限公司 | Low-alloy ball mill wear resistant lining board and making method thereof |
| CN104087863A (en) * | 2014-06-17 | 2014-10-08 | 宁国市鑫煌矿冶配件制造有限公司 | High-hardness low-broken-rate liner plate for bowl mill |
| CN104583437A (en) * | 2012-08-15 | 2015-04-29 | 新日铁住金株式会社 | Steel sheet for hot pressing use, method for producing same, and hot press steel sheet member |
-
2015
- 2015-10-28 CN CN201510726712.6A patent/CN105316601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042950A (en) * | 1989-12-30 | 1990-06-13 | 清华大学 | Bainite/martensite multi-phase steel with air-cooled high hardenability |
| CN104583437A (en) * | 2012-08-15 | 2015-04-29 | 新日铁住金株式会社 | Steel sheet for hot pressing use, method for producing same, and hot press steel sheet member |
| CN102912255A (en) * | 2012-10-23 | 2013-02-06 | 神华集团有限责任公司 | Wear-resisting cast steel and preparation method thereof |
| CN103602911A (en) * | 2013-11-20 | 2014-02-26 | 滁州学院 | High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof |
| CN103667989A (en) * | 2013-11-20 | 2014-03-26 | 马鞍山市益丰实业集团有限公司 | Rare-earth wear-resistant stainless steel lining board material and preparation method thereof |
| CN103993246A (en) * | 2014-04-23 | 2014-08-20 | 中建材宁国新马耐磨材料有限公司 | Low-alloy ball mill wear resistant lining board and making method thereof |
| CN104087863A (en) * | 2014-06-17 | 2014-10-08 | 宁国市鑫煌矿冶配件制造有限公司 | High-hardness low-broken-rate liner plate for bowl mill |
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