CN107916317A - The heating unit and heating means of converter steel scrap - Google Patents
The heating unit and heating means of converter steel scrap Download PDFInfo
- Publication number
- CN107916317A CN107916317A CN201710999595.XA CN201710999595A CN107916317A CN 107916317 A CN107916317 A CN 107916317A CN 201710999595 A CN201710999595 A CN 201710999595A CN 107916317 A CN107916317 A CN 107916317A
- Authority
- CN
- China
- Prior art keywords
- heating
- scrap
- converter
- heater body
- heat source
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
- C21C5/565—Preheating of scrap
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a kind of heating unit and heating means of converter steel scrap, wherein, the heating unit includes scrap heating converter (2) and heater body, and described heater body one end can provide mechanism with heat source and be connected, the other end can extend in the scrap heating converter (2)；Wherein, the end that can extend in the heater body in the scrap heating converter (2) is formed as multilayer platform scalariform annulus column.The present invention also sets up an one end outside scrap heating converter and can extend to heater body in scrap heating converter, and the one end that can be placed in scrap heating converter in the heater body is arranged to multilayer platform scalariform annulus column, so that through the above way, the steel scrap that can be opposite in scrap heating converter carries out safe and stable heating, realize the thermal balance smelted, by simple mode, reach reduction smelting cost, improve the effect of smelting quality.
Description
Technical field
The present invention relates to the production technology field of converter steel scrap, and in particular, to the heating unit of converter steel scrap and heating
Method.
Background technology
At present, the addition of steel scrap amount gradually increases in process for making, causes the thermal balance in steelmaking process to occur unbalance, leads
Cause occur negative heat steel-making in the smelting process of part steel scrap, not only the duration of heat increases, and metallurgical effect is also poor.
Therefore it provides one kind can carry out heat compensation to steel scrap, reach the thermal balance of smelting, and can meet scrap heating
The smelting requirements of converter, improve scrap heating converter rhythm of production, reduce smelting cost converter steel scrap heating unit and
The problem of heating means are urgent need to resolve of the present invention.
The content of the invention
For the above-mentioned prior art, it is an object of the invention to overcome the addition of steel scrap amount in process for making in the prior art
Gradually increase, cause the thermal balance in steelmaking process to occur unbalance, cause occur negative heat refining in the smelting process of part steel scrap
Steel, not only the duration of heat increase, and the problem of metallurgical effect is also poor, so that heat benefit can be carried out to steel scrap by providing one kind
Repay, reach the thermal balance of smelting, and can meet the smelting requirements of scrap heating converter, improve the production section of scrap heating converter
Play, reduce the heating unit and heating means of the converter steel scrap of smelting cost.
To achieve these goals, the present invention provides a kind of heating unit of converter steel scrap, wherein, the heating unit
Including scrap heating converter and heater body, and described heater body one end can provide mechanism with heat source and be connected, the other end
It can extend in the scrap heating converter；Wherein,
The end that can extend in the heater body in the scrap heating converter is formed as multilayer platform scalariform annulus
Column.
Preferably, moving mechanism is additionally provided with the heater body, and the moving mechanism can drive the heating
Body moves.
Preferably, the heater body includes at least can provide the inlet end that be connected of mechanism with the heat source, one end with
The inlet port is connected, and the other end extends to the connecting tube in the scrap heating converter, and is arranged at the connecting tube
In away from the inlet port output terminal.
Preferably, the output terminal is formed as multilayer platform scalariform annulus column, and the interior connection described without leave of the annulus column
Pipe to the direction away from the connecting tube gradually increases.
Preferably, the connecting tube is formed as bend pipe, and the angle at the elbow curvature is 20-40 °.
Preferably, be also associated with cooling body on the heater body, and the cooling body include at least water inlet and
Valve is provided with water outlet, the water inlet and the water outlet.
Present invention also offers a kind of heating means of converter steel scrap, wherein, the heating means use is according to above-mentioned institute
The heating unit stated, the heating means include：
1) one end of heater body is placed in the scrap heating converter, the other end provides mechanism connection with heat source；
2) while scrap heating converter is heated and made steel, open heat source provides mechanism and to useless in scrap heating converter
Steel is heated.
Preferably, in step 2), heating time 3-10min, and the temperature of steel scrap is 950-1100 DEG C after heating.
Preferably, the heat source provides mechanism and produces thermal energy by combustion oxygen.
Preferably, after heating, it is additionally included in after the heat source offer mechanism is provided, is provided to the heat source in mechanism
It is passed through nitrogen.
According to above-mentioned technical proposal, the present invention also sets up an one end outside scrap heating converter and can extend to steel scrap
The heater body in converter is heated, and the one end that can be placed in scrap heating converter in the heater body is arranged to multilayer platform
Scalariform annulus column, so that by the above-mentioned means, the steel scrap progress that can be opposite in scrap heating converter is safe and stable
Heating, realizes the thermal balance of smelting, by simple mode, reaches reduction smelting cost, improve the effect of smelting quality.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of connecting tube provided by the invention；
Fig. 2 is a kind of structure diagram of output terminal provided by the invention；
Fig. 3 is a kind of structure diagram of scrap heating converter provided by the invention；
Fig. 4 is that the present invention hears a kind of structure diagram of the heating unit of converter steel scrap of volume.
Description of reference numerals
1- connecting tube 2- scrap heating converters
3- output terminals.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making conversely explanation, the noun of locality included in term such as " close, remote " is only
Represent orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, and be not construed as to this
The limitation of term.
The present invention provides a kind of heating unit of converter steel scrap, wherein, as Figure 1-Figure 4, the heating unit bag
Scrap heating converter 2 and heater body are included, and described heater body one end can provide mechanism with heat source and be connected, other end energy
Enough extend in the scrap heating converter 2；Wherein,
The end that can extend in the heater body in the scrap heating converter 2 is formed as multilayer platform scalariform annulus
Column.
The present invention also sets up an one end outside scrap heating converter 2 and can extend to adding in scrap heating converter 2
Hot body, and the one end that can be placed in scrap heating converter 2 in the heater body is arranged to multilayer platform scalariform annulus column, from
And by the above-mentioned means, the steel scrap that can be opposite in scrap heating converter 2 carries out safe and stable heating, to realize smelting
The thermal balance of refining, by simple mode, reaches reduction smelting cost, improves the effect of smelting quality.
In a kind of preferred embodiment of the present invention, in order to enable the heater body is more convenient for mobile and is used,
Moving mechanism is also provided with the heater body, and the moving mechanism can drive the heater body to move.
In further preferred embodiment, the heater body, which includes at least, to be connected with heat source offer mechanism
Inlet end, one end is connected with the inlet port, and the other end extends to the connecting tube 1 in the scrap heating converter 2, and
It is arranged at the output terminal 3 away from the inlet port in the connecting tube 1.
In a kind of embodiment being more highly preferred to of the present invention, the output terminal 3 is formed as multilayer platform scalariform annulus column,
And the interior connecting tube 1 described without leave of the annulus column to the direction away from the connecting tube 1 gradually increases.For example, connecting tube 1
Length can be 7850mm, and multilayer platform scalariform annulus column can include five donuts, and its diameter selected as successively
100mm, 150mm, 200mm, 250mm and 300mm.Certainly, the present invention is not limited thereto.
In further preferred embodiment, the connecting tube 1 is formed as bend pipe, and the angle at the elbow curvature is
20-40°。
In a kind of preferred embodiment of the present invention, cooling body can also be connected with the heater body, and
The cooling body includes at least water inlet and water outlet, and valve is provided with the water inlet and the water outlet.
Present invention also offers a kind of heating means of converter steel scrap, wherein, the heating means use is according to above-mentioned institute
The heating unit stated, the heating means include：
1) one end of heater body is placed in the scrap heating converter 2, the other end provides mechanism connection with heat source；
2) while scrap heating converter 2 is heated and made steel, open heat source provides mechanism and in scrap heating converter 2
Steel scrap is heated.
Certainly, connecting tube 1 here can seldom be repeated herein with selected as high pressure flexible metallic conduit etc..
Similarly, in order to enable heater body is not easily susceptible to the damage of the temperature of overheat in itself, it is only to play one
The effect of hot gas is transmitted, further, as above, the cooling body including water inlet and water outlet can be set, and heated
Cheng Zhong, the valve on water inlet and water outlet is opened.
In a kind of embodiment being more highly preferred to of the present invention, in step 2), heating time 3-10min, and heat
The temperature of steel scrap is 950-1100 DEG C afterwards.For example, specifically, heating here first can provide heat source to mechanism opening, first open
Coal gas, then pneumatics wind is opened, finally open oxygen and realize heating, certainly, the present invention is not limited thereto.
In the embodiment being more highly preferred to, the heat source, which provides mechanism, to produce thermal energy by combustion oxygen.
In another preferred embodiment of the present invention, after heating, it is additionally included in and the heat source offer machine is provided
After structure, provided to the heat source in mechanism and be passed through nitrogen.For example, specifically, after heating, oxygen, then turn out the gas are first closed,
Pneumatics wind is closed again, finally opens nitrogen displacement.Similarly, the present invention is also not limited thereto.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of heating unit of converter steel scrap, it is characterised in that the heating unit includes scrap heating converter (2) and heating
Body, and described heater body one end can provide mechanism with heat source and be connected, the other end can extend to the scrap heating
In converter (2)；Wherein,
The end that can extend in the heater body in the scrap heating converter (2) is formed as multilayer platform scalariform annulus
Column.
2. heating unit according to claim 1, it is characterised in that moving mechanism is additionally provided with the heater body,
And the moving mechanism can drive the heater body to move.
3. heating unit according to claim 1 or 2, it is characterised in that the heater body includes at least can be with institute
State heat source and the inlet end that mechanism is connected is provided, one end is connected with the inlet port, and the other end extends to the scrap heating and turns
Connecting tube (1) in stove (2), and it is arranged at the output terminal (3) away from the inlet port in the connecting tube (1).
4. heating unit according to claim 3, it is characterised in that the output terminal (3) is formed as multilayer platform scalariform circle
Annulated column, and the interior connecting tube (1) described without leave of the annulus column to the direction away from the connecting tube (1) gradually increases.
5. heating unit according to claim 3, it is characterised in that the connecting tube (1) is formed as bend pipe, and described curved
The angle in pipe knee is 20-40 °.
6. heating unit according to claim 1 or 2, it is characterised in that be also associated with cooler on the heater body
Structure, and the cooling body includes at least water inlet and water outlet, and valve is provided with the water inlet and the water outlet.
7. a kind of heating means of converter steel scrap, it is characterised in that the heating means use is according to any in claim 1-6
Heating unit described in one, the heating means include：
1) one end of heater body is placed in the scrap heating converter (2), the other end provides mechanism connection with heat source；
2) while scrap heating converter (2) is heated and made steel, open heat source provides mechanism and in scrap heating converter (2)
Steel scrap is heated.
8. heating means according to claim 7, it is characterised in that in step 2), heating time 3-10min, and add
The temperature of steel scrap is 950-1100 DEG C after heat.
9. heating means according to claim 7, it is characterised in that the heat source provides mechanism and produces heat by combustion oxygen
Energy.
10. heating means according to claim 9, it is characterised in that after heating, be additionally included in and close the heat source
After mechanism is provided, is provided to the heat source in mechanism and be passed through nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999595.XA CN107916317A (en) | 2017-10-24 | 2017-10-24 | The heating unit and heating means of converter steel scrap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999595.XA CN107916317A (en) | 2017-10-24 | 2017-10-24 | The heating unit and heating means of converter steel scrap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107916317A true CN107916317A (en) | 2018-04-17 |
Family
ID=61894932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999595.XA Pending CN107916317A (en) | 2017-10-24 | 2017-10-24 | The heating unit and heating means of converter steel scrap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107916317A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2095701A (en) * | 1981-03-27 | 1982-10-06 | British Steel Corp | Preheating of steel scrap |
| JPS6115080A (en) * | 1984-06-29 | 1986-01-23 | 新日本製鐵株式会社 | Scrap preheating method by exhaust gas |
| JPS61235504A (en) * | 1985-04-09 | 1986-10-20 | Nippon Steel Corp | Manufacture of pig iron for casting |
| JPH11229024A (en) * | 1998-02-16 | 1999-08-24 | Daido Steel Co Ltd | Scrap preheating and charging device |
| KR20110059449A (en) * | 2009-11-27 | 2011-06-02 | 현대제철 주식회사 | Apparatus for pre-heating scrap |
| CN102382938A (en) * | 2011-09-20 | 2012-03-21 | 李科胜 | Ferrous waste smelting process by utilizing natural gas for preheating |
| CN104846145A (en) * | 2015-05-14 | 2015-08-19 | 新疆德坤元绿色建筑科技有限公司 | Novel technique for preheating and premelting steel scrape and efficiently making steel by electric furnace |
| CN105087862A (en) * | 2015-09-09 | 2015-11-25 | 江苏兴辉炉业科技有限公司 | Scrap steel preheating-type heating furnace for steel production conducted through medium-frequency electric furnace |
| CN107166967A (en) * | 2017-07-20 | 2017-09-15 | 安徽盛博冶金环保科技有限公司 | A kind of portable scrap heating stove |
-
2017
- 2017-10-24 CN CN201710999595.XA patent/CN107916317A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2095701A (en) * | 1981-03-27 | 1982-10-06 | British Steel Corp | Preheating of steel scrap |
| JPS6115080A (en) * | 1984-06-29 | 1986-01-23 | 新日本製鐵株式会社 | Scrap preheating method by exhaust gas |
| JPS61235504A (en) * | 1985-04-09 | 1986-10-20 | Nippon Steel Corp | Manufacture of pig iron for casting |
| JPH11229024A (en) * | 1998-02-16 | 1999-08-24 | Daido Steel Co Ltd | Scrap preheating and charging device |
| KR20110059449A (en) * | 2009-11-27 | 2011-06-02 | 현대제철 주식회사 | Apparatus for pre-heating scrap |
| CN102382938A (en) * | 2011-09-20 | 2012-03-21 | 李科胜 | Ferrous waste smelting process by utilizing natural gas for preheating |
| CN104846145A (en) * | 2015-05-14 | 2015-08-19 | 新疆德坤元绿色建筑科技有限公司 | Novel technique for preheating and premelting steel scrape and efficiently making steel by electric furnace |
| CN105087862A (en) * | 2015-09-09 | 2015-11-25 | 江苏兴辉炉业科技有限公司 | Scrap steel preheating-type heating furnace for steel production conducted through medium-frequency electric furnace |
| CN107166967A (en) * | 2017-07-20 | 2017-09-15 | 安徽盛博冶金环保科技有限公司 | A kind of portable scrap heating stove |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180417 |
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| RJ01 | Rejection of invention patent application after publication |