CN105734443A - High-speed bucket elevator - Google Patents
High-speed bucket elevator Download PDFInfo
- Publication number
- CN105734443A CN105734443A CN201610288741.3A CN201610288741A CN105734443A CN 105734443 A CN105734443 A CN 105734443A CN 201610288741 A CN201610288741 A CN 201610288741A CN 105734443 A CN105734443 A CN 105734443A
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- China
- Prior art keywords
- steel
- smelting
- bucket elevator
- speed bucket
- manufacture method
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Classifications
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a high-speed bucket elevator. The steel of the high-speed bucket elevator comprises the following components in percentage by weight: 0.03-0.06% of C, 0.15-0.3% of Si, 1-1.2% of Mn, less than or equal to 0.18% of P, 0.002-0.004% of S, 0.013-0.03% of Al and the balance of Fe and inevitable other impurities. The invention also provides a production method of the steel of the high-speed bucket elevator. The production method comprises the following steps: pretreating the steel with the components and smelting in a vacuum smelting furnace; casting an ingot from the molten steel obtained by the smelting; heating the ingot in a heating furnace; and cooling to obtain the steel. The steel produced by the method has excellent toughness, plasticity, welding property and corrosion resistance; and moreover, the preparation method is simple, and the raw materials are easily available.
Description
Technical field
The present invention relates to a kind of high speed bucket elevator, in particular it relates to steel of a kind of high speed bucket elevator and preparation method thereof.
Background technology
The steel materials of high speed bucket elevator are an up the direction that machine field is studied always, along with the performance requirement of elevator is improved constantly by people, and being also correspondingly improved by material performance of elevator.The toughness of existing steel, plasticity, welding performance and decay resistance have met the demand in present market.For this, each big elevator manufacturer is devoted to the steel seeking have higher toughness, plasticity, welding performance and corrosion resistance one after another.
Summary of the invention
It is an object of the invention to provide a kind of equipment one high speed bucket elevator, this elevator has the toughness of excellence, plasticity, welding performance and corrosion resistance, and preparation method is simple, and raw material is easy to get.
To achieve these goals, the invention provides a kind of high speed bucket elevator, the composition of the steel of this high speed bucket elevator is by weight percentage: C:0.05～0.09%, Si:0.23～0.33%, Mn:0.5～0.9%, P:0.12～0.16%, S:0.0016～0.0034%, W:0.25～0.31%, V:0.024～0.029%, Cr:0.034～0.036%, surplus is Fe and other impurity inevitable；
Present invention also offers the manufacture method of a kind of high speed bucket elevator steel, comprise the following steps:
1) the steel molten iron of mentioned component is carried out pretreatment, put into vacuum melting furnace afterwards and smelt, become ingot casting with the molten steel casting smelting gained；
2) described steel are obtained after being cooled down by ingot casting.
By technique scheme, the present invention is by after carrying out melting, heating and cold treatment by individual composition, and the steel obtained have the toughness of excellence, plasticity, welding performance and corrosion resistance, and preparation method is simple, and raw material is easy to get.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
A kind of high speed bucket elevator, the composition of the steel of this high speed bucket elevator is by weight percentage: C:0.05～0.09%, Si:0.23～0.33%, Mn:0.5～0.9%, P:0.12～0.16%, S:0.0016～0.0034%, W:0.25～0.31%, V:0.024～0.029%, Cr:0.034～0.036%, surplus is Fe and other impurity inevitable；
Present invention also offers the manufacture method of a kind of high speed bucket elevator steel, comprise the following steps:
1) the steel molten iron of mentioned component is carried out pretreatment, put into vacuum melting furnace afterwards and smelt, become ingot casting with the molten steel casting smelting gained；
2) ingot casting is put in heating furnace it is heated, after cooling, obtain described steel；
In the present invention, the melting pressure of smelting furnace can select in wide in range scope, but so that the steel prepared have the toughness of excellence, plasticity, welding performance and corrosion resistance, it is preferable that the melting pressure of smelting furnace is 430-510Pa；
In the present invention, the smelting temperature of smelting furnace can select in wide in range scope, but so that the steel prepared have the toughness of excellence, plasticity, welding performance and corrosion resistance, it is preferable that the smelting temperature of smelting furnace is 1700-1900 DEG C；
In the present invention, the smelting time of smelting furnace can select in wide in range scope, but so that the steel prepared have the toughness of excellence, plasticity, welding performance and corrosion resistance, it is preferable that the smelting time of smelting furnace is 80-110min；
In the present invention, cast temperature and temperature retention time during casting can select in wide in range scope, but so that the steel prepared have the toughness of excellence, plasticity, welding performance and corrosion resistance, it is preferable that, the temperature of casting is 1600-1750 DEG C, and temperature retention time is 0.5-0.8h；
In the present invention, the type of cooling can be any type of cooling in this area, but so that the steel prepared have the toughness of excellence, plasticity, welding performance and corrosion resistance, it is preferable that the type of cooling is air cooling.
Hereinafter will be described the present invention by embodiment.
Embodiment 1C:0.05%, Si:0.23%, Mn:0.5%, P:0.12%, S:0.0016%, W:0.25%, V:0.024%, Cr:0.034%, surplus is Fe and other impurity inevitable；
2) mixture after said ratio is added to smelting furnace, under the melting pressure of 430Mpa and the smelting temperature of 1700 DEG C, melting 80min, obtain molten steel；
3) being cast at 1600 DEG C of temperature by the molten steel obtained, casting time is 0.5h, obtains ingot casting；
4) ingot casting is cooled down in atmosphere obtain steel A.
Embodiment 2
1) composition of steel is carried out proportioning according to following percentage by weight: C:0.09%, Si:0.33%, Mn:0.9%, P:0.16%, S:0.0034%, W:0.31%, V:0.029%, Cr:0.036%, surplus is Fe and other impurity inevitable；
2) mixture after said ratio is added to smelting furnace, under the melting pressure of 510Mpa and the smelting temperature of 1900 DEG C, melting 110min, obtain molten steel；
3) being cast at 1750 DEG C of temperature by the molten steel obtained, casting time is 0.8h, obtains ingot casting；
4) ingot casting is cooled down in atmosphere obtain steel A2.
Embodiment 3
1) according to following percentage by weight, the composition of steel being carried out proportioning: C:0.07%, Si:0.3%, Mn:0.7%, P:0.14%, S:0.0026%, W:0.28%, V:0.025%, Cr:0.035%, surplus is Fe and other impurity inevitable；
2) mixture after said ratio is added to smelting furnace, under the melting pressure of 470Mpa and the smelting temperature of 1800 DEG C, melting 95min, obtain molten steel；
3) being cast at 1675 DEG C of temperature by the molten steel obtained, casting time is 0.65h, obtains ingot casting；
4) ingot casting is cooled down in atmosphere obtain steel A3.
Comparative example 1
According to the steel B1 that the method for embodiment 1 prepares, the difference is that, do not add W；
Comparative example 2
According to the steel B2 that the method for embodiment 1 prepares, the difference is that, do not add V；
Comparative example 3
According to the steel B3 that the method for embodiment 1 prepares, the difference is that, do not add Cr；
Detection example 1
The toughness of above-mentioned steel, plasticity, welding performance and decay resistance are detected, and result is: the toughness of steel A1-A3, plasticity, welding performance and corrosion resistance are better than the toughness of steel B1-B3, plasticity, welding performance and corrosion resistance.
The preferred embodiment of the present invention described in detail above; but, the present invention is not limited to the detail in above-mentioned embodiment, in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a high speed bucket elevator, it is characterized in that: the composition of the steel of described high speed bucket elevator is by weight percentage: C:0.05～0.09%, Si:0.23～0.33%, Mn:0.5～0.9%, P:0.12～0.16%, S:0.0016～0.0034%, W:0.25～0.31%, V:0.024～0.029%, Cr:0.034～0.036%, surplus is Fe and other impurity inevitable.
2. the manufacture method of high speed bucket elevator steel according to claim 1, comprises the following steps:
1) steel described in claim 1 are carried out pretreatment, put into vacuum melting furnace afterwards and smelt, become ingot casting with the molten steel casting smelting gained；
2) described steel are obtained after being cooled down by ingot casting.
3. manufacture method according to claim 2, wherein, the melting pressure of smelting furnace is 430-510Pa.
4. manufacture method according to claim 2, wherein, the smelting temperature of smelting furnace is 1700-1900 DEG C.
5. manufacture method according to claim 2, wherein, the smelting time of smelting furnace is 80-110min.
6. manufacture method according to claim 2, wherein, the temperature of casting is 1600-1750 DEG C, and temperature retention time is 0.5-0.8h.
7. manufacture method according to claim 2, wherein, the type of cooling is air cooling, is cooled to 20-25 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288741.3A CN105734443A (en) | 2016-05-04 | 2016-05-04 | High-speed bucket elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288741.3A CN105734443A (en) | 2016-05-04 | 2016-05-04 | High-speed bucket elevator |
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| Publication Number | Publication Date |
|---|---|
| CN105734443A true CN105734443A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610288741.3A Pending CN105734443A (en) | 2016-05-04 | 2016-05-04 | High-speed bucket elevator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038641A (en) * | 1998-07-21 | 2000-02-08 | Sumitomo Metal Ind Ltd | Steel sheet for inner frame of cathode-ray tube and its production |
| JP2000328187A (en) * | 1999-05-20 | 2000-11-28 | Nippon Steel Corp | High strength hot rolled steel sheet for working excellent in endurance fatigue property and small in variation of material and its production |
| JP2004359973A (en) * | 2003-06-02 | 2004-12-24 | Nippon Steel Corp | High strength steel sheet having excellent delayed fracture resistance, and its production method |
| JP2011047038A (en) * | 2009-07-28 | 2011-03-10 | Jfe Steel Corp | High-strength cold-rolled steel sheet and method for manufacturing the same |
-
2016
- 2016-05-04 CN CN201610288741.3A patent/CN105734443A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038641A (en) * | 1998-07-21 | 2000-02-08 | Sumitomo Metal Ind Ltd | Steel sheet for inner frame of cathode-ray tube and its production |
| JP2000328187A (en) * | 1999-05-20 | 2000-11-28 | Nippon Steel Corp | High strength hot rolled steel sheet for working excellent in endurance fatigue property and small in variation of material and its production |
| JP2004359973A (en) * | 2003-06-02 | 2004-12-24 | Nippon Steel Corp | High strength steel sheet having excellent delayed fracture resistance, and its production method |
| JP2011047038A (en) * | 2009-07-28 | 2011-03-10 | Jfe Steel Corp | High-strength cold-rolled steel sheet and method for manufacturing the same |
Non-Patent Citations (1)
| Title |
|---|
| 沈才芳: "《电弧炉炼钢工艺与设备第2版》", 31 January 2001, 冶金工业出版社 * |
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Application publication date: 20160706 |