CN213161302U - Water granulated slag deironing device suitable for blast furnace ironmaking process of iron works - Google Patents
Water granulated slag deironing device suitable for blast furnace ironmaking process of iron works Download PDFInfo
- Publication number
- CN213161302U CN213161302U CN202020961719.2U CN202020961719U CN213161302U CN 213161302 U CN213161302 U CN 213161302U CN 202020961719 U CN202020961719 U CN 202020961719U CN 213161302 U CN213161302 U CN 213161302U
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- Prior art keywords
- unit
- iron
- deironing
- granulated slag
- magnetic drum
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 88
- 239000002893 slag Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 10
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 9
- 230000032258 transport Effects 0.000 description 10
- 238000007885 magnetic separation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a grain slag deironing device suitable for among iron works blast furnace ironmaking process, the device includes: the first transportation unit is configured for transporting the grain slag generated in the blast furnace ironmaking process; the first iron removal unit is configured for removing iron from the granulated slag for the first time to obtain an iron-containing material, the granulated slag passing through the first iron removal unit falls into the granulated slag buffer bin, and the first iron removal unit is positioned below the first transportation unit and above the granulated slag buffer bin; a second transport unit configured to transport the iron-containing material; the second deironing unit is arranged at the end part of the second transportation unit and is configured for deironing for the second time; and the third deironing unit is arranged below the second deironing unit and is configured for carrying out third deironing. The utility model is used for reduce the problem of iron material content in the grain slag.
Description
Technical Field
The utility model relates to a water granulated slag powder process charging system field of iron and steel industry iron works, concretely relates to water granulated slag deironing device suitable for among the blast furnace ironmaking process of iron works.
Background
The water granulated slag is a byproduct in the iron making process of a blast furnace in an iron-making plant, and the water granulated slag contains about 1 percent of iron particles due to slag discharge process control. The existence of iron materials in the grain slag grinding process can accelerate the abrasion of the grain slag grinding roller and the grinding disc, influence the yield exertion of the grain slag grinding roller and is an important factor for restricting the grain slag grinding. Therefore, the reduction of the content of the iron material in the grain slag becomes a key problem.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a grain slag deironing device suitable for among iron works blast furnace ironmaking process for reduce the problem of iron material content in the grain slag.
The utility model provides a grain slag deironing device suitable for among iron works blast furnace ironmaking process, the device includes:
the first transportation unit is configured for transporting the grain slag generated in the blast furnace ironmaking process;
the first iron removal unit is configured for removing iron from the granulated slag for the first time to obtain an iron-containing material, the granulated slag passing through the first iron removal unit falls into the granulated slag buffer bin, and the first iron removal unit is positioned below the first transportation unit and above the granulated slag buffer bin;
a second transport unit configured to transport the iron-containing material;
the second deironing unit is arranged at the end part of the second transportation unit and is configured for deironing for the second time;
and the third deironing unit is arranged below the second deironing unit and is configured for carrying out third deironing.
In one embodiment, further comprising: and the iron particle storage bin is arranged below the third deironing unit.
In one embodiment, the first transport unit comprises: the conveying device comprises a first conveying belt which is obliquely arranged, wherein the lower end of the first conveying belt is a granulated slag loading and unloading end, and the higher end of the first conveying belt is a granulated slag unloading end.
In one embodiment, the first secondary iron removal unit comprises: the magnetic drum separator comprises a first magnetic drum separator and a second magnetic drum separator, wherein the second magnetic drum separator is positioned behind and below the first magnetic drum separator; the first magnetic drum separator and the second magnetic drum separator are distributed in a vertically staggered mode.
In one embodiment, the second transport unit comprises: a second conveyor belt arranged horizontally.
In one embodiment, the second deferrization unit comprises: and the head wheel of the second conveyor belt is a semi-magnetic roller.
In one embodiment, the third iron removal unit comprises: an iron throwing machine.
In one embodiment, a scraping unit is arranged between the second-time iron removal unit and the third-time iron removal unit.
In one embodiment, the scraping unit includes: the scraping plate is obliquely arranged.
To sum up, the utility model discloses following beneficial effect has: deironing is carried out to the granulating slag in proper order through cubic deironing unit, can effectively reduce and go into mill granulating slag iron content, improves slay mill machine time, extension grinding roller, mill build-up welding cycle.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 is a schematic structural diagram of a granulated slag deironing device suitable for use in a blast furnace ironmaking process of an iron works according to an embodiment of the present invention.
Description of the element reference numerals
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
It should be noted that the drawings provided in the present embodiment are only schematic and illustrative of the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated. The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, the utility model provides a grain slag deironing device suitable for among iron works blast furnace ironmaking process, the device includes:
the first transportation unit 1 is configured for transporting granulated slag generated in a blast furnace ironmaking process;
the first iron removal unit 2 is configured to remove iron from the granulated slag for the first time to obtain an iron-containing material, the granulated slag passing through the first iron removal unit 2 falls into the granulated slag buffer bin, and the first iron removal unit 2 is positioned below the first transportation unit 1 and above the granulated slag buffer bin;
a second transport unit 3 configured to transport the iron-containing material;
a second deironing unit 4 arranged at an end of the second transport unit 3 and configured to deironing for a second time;
and a third deironing unit 5 disposed below the second deironing unit 4 and configured to deironing for the third time.
As shown in FIG. 1, the first iron removing unit 2 is located below the first transporting unit 1 and above the granulated slag buffer bin, so that it is possible to ensure that a preliminary iron removing process is performed before the granulated slag enters the granulated slag buffer bin, thereby reducing iron particles in the granulated slag entering the bin. The first deironing unit 2 comprises at least two stages of deironing equipment so as to ensure the deironing efficiency. A second transportation unit 3 is arranged below the iron-containing material outlet of the first iron removal unit 2, and the iron material is directly conveyed to the second iron removal unit 4.
As shown in fig. 1, in one embodiment, the apparatus further comprises: and the iron particle storage bin 6 is arranged below the third deironing unit 5 and used for storing iron particles obtained by the third deironing unit 5 and then transporting the iron particles to a blast furnace for recycling through transportation tools (such as automobiles and other transportation tools).
In one embodiment, the first transport unit 1 comprises: the conveying device comprises a first conveying belt which is obliquely arranged, wherein the lower end of the first conveying belt is a granulated slag loading and unloading end, and the higher end of the first conveying belt is a granulated slag unloading end. The first transportation unit 1 transports the granulated slag from a low position to a high position, and freely scatters to the first iron removal unit 2 by utilizing gravity, so as to remove iron for the first time.
As shown in fig. 1, in one embodiment, the first-stage iron removal unit 2 includes: a first magnetic drum separator 21 and a second magnetic drum separator 22, wherein the second magnetic drum separator 22 is positioned at the rear lower part of the first magnetic drum separator 21.
It should be noted that the front and back directions are defined by the material flow direction, that is, the material is scattered to the first drum separator 21 and then falls to the second drum separator 22. The first magnetic drum separator 21 and the second magnetic drum separator 22 are distributed in a vertically staggered manner, so that the iron removal efficiency of the two-stage iron removal equipment is ensured.
In one embodiment, the second transport unit 3 comprises: a second conveyor belt arranged horizontally.
In one embodiment, the second deferrization unit 4 comprises: and the head wheel of the second conveyor belt is a semi-magnetic roller. The head pulley is half magnetic drum, and the iron material is when through conveyor belt, through the secondary magnetic separation at the head pulley position, and the iron material falls into below third time deironing unit 5, and the material that the iron content is low falls into the surge bin.
In one embodiment, the third deferrization unit 5 may include: get rid of the iron machine, get rid of the iron machine and can effectually convey the iron granule to iron granule storage storehouse 6.
As shown in fig. 1, in one embodiment, a scraping unit 7 is disposed between the second iron removing unit 4 and the third iron removing unit 5, and the scraping unit 7 scrapes iron particles adsorbed by the magnetic member on the second iron removing unit 4 onto the third iron removing unit 5.
In one embodiment, the scraping unit 7 includes: the scraping plate is obliquely arranged and is downwards inclined to the position above the third deironing unit 5 from the second deironing unit 4.
As shown in fig. 1, the dotted line in the figure is the flow direction track of the iron material, the solid line is the flow direction track of the water slag, two magnetic drum separators are arranged at the top of the water slag buffer bin, the water slag falls on the first magnetic drum separator 21 and the second magnetic drum separator 22 due to inertia before entering the buffer bin, and the water slag falls into the buffer bin after iron selection by the two magnetic drum separators; the iron material falls into a second conveying belt through the material guide groove; the head wheel of the second conveyor belt is a semi-magnetic roller, when iron materials pass through the second conveyor belt, the head wheel part is subjected to secondary magnetic separation, the iron materials fall into a lower iron throwing machine, and the materials with low iron content fall into a buffer bin; the iron material is magnetically separated by an iron throwing machine for three times, falls into an iron particle storage bin 6 for storage, and is transported to a blast furnace for recycling by an automobile.
To sum up, the utility model discloses simple structure can effectively reduce the iron content in the grain slag through the cubic magnetic separation, and the deironing effect is obvious. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.
The above-described embodiments are merely illustrative of the principles of the present invention and its efficacy, rather than limiting the same, and various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the invention, such modifications and variations all falling within the scope of the appended claims.
Claims (9)
1. A granulating slag deironing device suitable for a blast furnace ironmaking process in an iron works is characterized by comprising:
the first transportation unit is configured for transporting the grain slag generated in the blast furnace ironmaking process;
the first iron removal unit is configured for removing iron from the granulated slag for the first time to obtain an iron-containing material, the granulated slag passing through the first iron removal unit falls into the granulated slag buffer bin, and the first iron removal unit is positioned below the first transportation unit and above the granulated slag buffer bin;
a second transport unit configured to transport the iron-containing material;
the second deironing unit is arranged at the end part of the second transportation unit and is configured for deironing for the second time;
and the third deironing unit is arranged below the second deironing unit and is configured for carrying out third deironing.
2. The apparatus of claim 1, further comprising: and the iron particle storage bin is arranged below the third deironing unit.
3. The apparatus of claim 1, wherein the first transportation unit comprises: the conveying device comprises a first conveying belt which is obliquely arranged, wherein the lower end of the first conveying belt is a granulated slag loading and unloading end, and the higher end of the first conveying belt is a granulated slag unloading end.
4. The apparatus as claimed in claim 1, wherein the first deironing unit comprises: the magnetic drum separator comprises a first magnetic drum separator and a second magnetic drum separator, wherein the second magnetic drum separator is positioned behind and below the first magnetic drum separator; the first magnetic drum separator and the second magnetic drum separator are distributed in a vertically staggered mode.
5. The apparatus of claim 1, wherein the second transportation unit comprises: a second conveyor belt arranged horizontally.
6. The apparatus as claimed in claim 5, wherein the second deironing unit comprises: and the head wheel of the second conveyor belt is a semi-magnetic roller.
7. The apparatus as claimed in claim 1, wherein the third deironing unit comprises: an iron throwing machine.
8. The apparatus as claimed in claim 1, wherein a scraper unit is provided between the second and third deironing units.
9. The apparatus of claim 8, wherein the scraping unit comprises: the scraping plate is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961719.2U CN213161302U (en) | 2020-05-29 | 2020-05-29 | Water granulated slag deironing device suitable for blast furnace ironmaking process of iron works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961719.2U CN213161302U (en) | 2020-05-29 | 2020-05-29 | Water granulated slag deironing device suitable for blast furnace ironmaking process of iron works |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213161302U true CN213161302U (en) | 2021-05-11 |
Family
ID=75786792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020961719.2U Expired - Fee Related CN213161302U (en) | 2020-05-29 | 2020-05-29 | Water granulated slag deironing device suitable for blast furnace ironmaking process of iron works |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213161302U (en) |
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2020
- 2020-05-29 CN CN202020961719.2U patent/CN213161302U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |