CN105316601A - 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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- CN105316601A CN105316601A CN201510726712.6A CN201510726712A CN105316601A CN 105316601 A CN105316601 A CN 105316601A CN 201510726712 A CN201510726712 A CN 201510726712A CN 105316601 A CN105316601 A CN 105316601A
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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, be specifically related to a kind of hard rock crusher liner plate and preparation method thereof.
Background technology
On present mining equipment, the ore splitting extraction next is usually needed to process further, but the ore exploited out varies in size and is not easy to further processing treatment, need to carry out crusher process to the ore of just exploitation, the size according to ore carries out classifying crushing.
But ore crusher is when carrying out fragmentation; because the hardness of ore is larger; usually can cause the corrupted of ore crusher, friction time broken, makes the inner wall abrasion of crusher serious; greatly reduce its work-ing life; some ores originally can remain some acidic substance in the process of exploitation, and when carrying out break process, acidic substance overflow; certain corrosion can be caused to crusher machinery, usually can increase a kind of lining plate structure to increase its wear resistance at the inwall of crusher.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of hard rock crusher liner plate and preparation method thereof, the hardness of liner plate is improved and is further enhanced, wear resistance increases, and enhances erosion resistance simultaneously.
For realizing above object, the present invention is achieved by the following technical programs:
A kind of hard rock crusher liner plate, the weight percent 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%, Mg:0.04-0.05%, S:0.1-0.3%, Cu:0.12-0.16%, and all the other are Fe.
Preferably, described raw material weight per-cent is: C:0.26-0.28%, Si:0.11-0.13%, Mn:3.5-3.7%, 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%, and all the other are Fe.
Preferably, the weight percent of described raw material is: C:0.26%, Si:0.12%, Mn:3.5%, Ni:0.16%, Mo:0.14%, V:0.12%, W:0.08%, P:0.03%, Mg:0.04%, S:0.2%, Cu:0.13%, and all the other are Fe.
Preferably, its preparation method of described hard rock crusher liner plate, step is as follows:
1), by scrap iron raw material melting is carried out, control temperature 1550-1558 DEG C, and period 0.5-1 hour;
2), by step 1) raw material raised temperature 1577-1581 DEG C, continue to add the iron ore containing element in original by raw material ratio, control fusion time 1-2 hour;
3) by step 2) liquation imports in mould, casts, until be cooled to room temperature, die sinking;
4) in 40 minutes, shaping mould shape is carried out hyperthermic treatment to 670-750 DEG C, insulation 70-80 minute, in 30 minutes, temperature is risen to 980-1100 DEG C again, be incubated 20 minutes, in 8-10 minute, cool the temperature to 950-980 DEG C, be incubated 4 minutes, continue temperature to rise to 1210-1230 DEG C in 10 minutes, be incubated 5 minutes, then cooled the temperature to 550-580 DEG C in 20 minutes, be incubated 10 minutes, last air cooling is to room temperature.
The invention provides a kind of hard rock crusher liner plate and preparation method thereof, containing carbon in raw material, silicon can increase yield-point and the tensile strength of liner plate, strengthen the erosion resistance of lining plate structure, manganese element can strengthen intensity and the hardness of lining plate structure, improve the hot workability of structure, control phosphorus simultaneously, the content of element sulphur, promote plasticity-, improve cutting technology, the nickel contained originally can improve the intensity of liner steel, it is made to keep good plasticity and toughness, molybdenum element can improve thermostrength in alloy material, liner plate alloy material can be kept enough intensity and creep resisting ability is had when high temperature, also improve mechanical property, W elements a small amount of in raw material and carbon at high temperature form wolfram varbide, make hardness and the wear resistance bar of liner plate.Each element can effectively be fused together by the proportioning of raw material, reaches certain effect, enhances alloy wear-resisting performance, corrosion resistance nature also gets a promotion, and whole preparation technology is comparatively simple, repeated hardening technique, reasonable in design, the small-scale being convenient to medium-sized and small enterprises becomes more meticulous production.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with embodiments of the invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
The present embodiment provides a kind of weight percent of hard rock crusher liner plate raw material to be: C:0.26%, Si:0.12%, Mn:3.5%, Ni:0.16%, Mo:0.14%, V:0.12%, W:0.08%, P:0.03%, Mg:0.04%, S:0.2%, Cu:0.13%, all the other are Fe.
Its preparation method of hard rock crusher liner plate, step is as follows:
1), by scrap iron raw material melting is carried out, control temperature 1550-1558 DEG C, and 0.5 hour period;
2), by step 1) raw material raised temperature 1577-1581 DEG C, continue to add the iron ore containing element in original by raw material ratio, control 1 hour fusion time;
3) by step 2) liquation imports in mould, casts, until be cooled to room temperature, die sinking;
4) in 40 minutes, shaping mould shape is carried out hyperthermic treatment to 670-750 DEG C, insulation 70-80 minute, in 30 minutes, temperature is risen to 980-1100 DEG C again, be incubated 20 minutes, in 8-10 minute, cool the temperature to 950-980 DEG C, be incubated 4 minutes, continue temperature to rise to 1210-1230 DEG C in 10 minutes, be incubated 5 minutes, then cooled the temperature to 550-580 DEG C in 20 minutes, be incubated 10 minutes, last air cooling is to room temperature.
Embodiment 2:
A kind of hard rock crusher liner plate, the weight percent of raw material is: C:0.28%, Si:0.12%, Mn:3.6%, Ni:0.2%, Mo:0.16%, V:0.13%, W:0.07%, P:0.02%, Mg:0.05%, S:0.1%, Cu:0.15%, and all the other are Fe.
Its preparation method of hard rock crusher liner plate, step is as follows:
1), by scrap iron raw material melting is carried out, control temperature 1550-1558 DEG C, and 1 hour period;
2), by step 1) raw material raised temperature 1577-1581 DEG C, continue to add the iron ore containing element in original by raw material ratio, control 1.5 hours fusion times;
3) by step 2) liquation imports in mould, casts, until be cooled to room temperature, die sinking;
4) in 40 minutes, shaping mould shape is carried out hyperthermic treatment to 670-750 DEG C, insulation 70-80 minute, in 30 minutes, temperature is risen to 980-1100 DEG C again, be incubated 20 minutes, in 8-10 minute, cool the temperature to 950-980 DEG C, be incubated 4 minutes, continue temperature to rise to 1210-1230 DEG C in 10 minutes, be incubated 5 minutes, then cooled the temperature to 550-580 DEG C in 20 minutes, be incubated 10 minutes, last air cooling is to room temperature.
Embodiment 3:
A kind of hard rock crusher liner plate, the weight percent of raw material is: C:0.25%, Si:0.1%, Mn:3.7%, Ni:0.1%, Mo:0.12%, V:0.13%, W:0.09%, P:0.02%, Mg:0.04%, S:0.3%, Cu:0.16%, and all the other are Fe.
Its preparation method of hard rock crusher liner plate, step is as follows:
1), by scrap iron raw material melting is carried out, control temperature 1550-1558 DEG C, and 1 hour period;
2), by step 1) raw material raised temperature 1577-1581 DEG C, continue to add the iron ore containing element in original by raw material ratio, control 1 hour fusion time;
3) by step 2) liquation imports in mould, casts, until be cooled to room temperature, die sinking;
4) in 40 minutes, shaping mould shape is carried out hyperthermic treatment to 670-750 DEG C, insulation 70-80 minute, in 30 minutes, temperature is risen to 980-1100 DEG C again, be incubated 20 minutes, in 8-10 minute, cool the temperature to 950-980 DEG C, be incubated 4 minutes, continue temperature to rise to 1210-1230 DEG C in 10 minutes, be incubated 5 minutes, then cooled the temperature to 550-580 DEG C in 20 minutes, be incubated 10 minutes, last air cooling is to room temperature.
Embodiment 4:
A kind of hard rock crusher liner plate, the weight percent of raw material is: C:0.29%, Si:0.13%, Mn:3.4%, Ni:0.2%, Mo:0.17%, V:0.11%, W:0.07%, P:0.04%, Mg:0.05%, S:0.1%, Cu:0.12%, and all the other are Fe.
Its preparation method of hard rock crusher liner plate, step is as follows:
1), by scrap iron raw material melting is carried out, control temperature 1550-1558 DEG C, and 0.5 hour period;
2), by step 1) raw material raised temperature 1577-1581 DEG C, continue to add the iron ore containing element in original by raw material ratio, control 2 hours fusion times;
3) by step 2) liquation imports in mould, casts, until be cooled to room temperature, die sinking;
4) in 40 minutes, shaping mould shape is carried out hyperthermic treatment to 670-750 DEG C, insulation 70-80 minute, in 30 minutes, temperature is risen to 980-1100 DEG C again, be incubated 20 minutes, in 8-10 minute, cool the temperature to 950-980 DEG C, be incubated 4 minutes, continue temperature to rise to 1210-1230 DEG C in 10 minutes, be incubated 5 minutes, then cooled the temperature to 550-580 DEG C in 20 minutes, be incubated 10 minutes, last air cooling is to room temperature.
Hard rock crusher lining plate structure wear resistance provided by the invention and corrosion resistance nature are further enhanced, and are convenient to industrialized production.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, 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 (4)
1. a hard rock crusher liner plate, it is characterized in that, the weight percent 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%, Mg:0.04-0.05%, S:0.1-0.3%, Cu:0.12-0.16%, and all the other are Fe.
2. hard rock crusher liner plate as claimed in claim 1, it is characterized in that, described raw material weight per-cent is: C:0.26-0.28%, Si:0.11-0.13%, Mn:3.5-3.7%, 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%, and all the other are Fe.
3. hard rock crusher liner plate as claimed in claim 1, it is characterized in that, the weight percent of described raw material is: C:0.26%, Si:0.12%, Mn:3.5%, Ni:0.16%, Mo:0.14%, V:0.12%, W:0.08%, P:0.03%, Mg:0.04%, S:0.2%, Cu:0.13%, and all the other are Fe.
4. its preparation method of hard rock crusher liner plate as claimed in claim 1, it is characterized in that, step is as follows:
1), by scrap iron raw material melting is carried out, control temperature 1550-1558 DEG C, and period 0.5-1 hour;
2), by step 1) raw material raised temperature 1577-1581 DEG C, continue to add the iron ore containing element in original by raw material ratio, control fusion time 1-2 hour;
3) by step 2) liquation imports in mould, casts, until be cooled to room temperature, die sinking;
4) in 40 minutes, shaping mould shape is carried out hyperthermic treatment to 670-750 DEG C, insulation 70-80 minute, in 30 minutes, temperature is risen to 980-1100 DEG C again, be incubated 20 minutes, in 8-10 minute, cool the temperature to 950-980 DEG C, be incubated 4 minutes, continue temperature to rise to 1210-1230 DEG C in 10 minutes, be incubated 5 minutes, then cooled the temperature to 550-580 DEG C in 20 minutes, be incubated 10 minutes, last air cooling is to room temperature.
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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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