CN204100774U - The simple and easy scrap preheater of electric arc furnaces - Google Patents
The simple and easy scrap preheater of electric arc furnaces Download PDFInfo
- Publication number
- CN204100774U CN204100774U CN201320572519.8U CN201320572519U CN204100774U CN 204100774 U CN204100774 U CN 204100774U CN 201320572519 U CN201320572519 U CN 201320572519U CN 204100774 U CN204100774 U CN 204100774U
- Authority
- CN
- China
- Prior art keywords
- electric arc
- arc furnaces
- shaft furnace
- horizontal stove
- scrap preheater
- 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.)
- Expired - Fee Related
Links
- 238000010891 electric arc Methods 0.000 title claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000003517 fume Substances 0.000 claims description 10
- 238000003032 molecular docking Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 4
- 239000003566 sealing material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000009845 electric arc furnace steelmaking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to a kind of simple and easy electric arc furnaces scrap steel preheating and dust arrester, and the technical problem that solve is on the basis of existing level formula scrap preheater, add patent " intermediate frequency furnace for preheating furnace charge and dust arrester " (ZL201020545313.2) shaft furnace; What replace horizontal scrap preheater is the slat feeder sealed, and horizontal stove and shaft furnace have angle to couple together at shaft furnace top.Steel scrap first enters shaft furnace by horizontal stove, more controlledly joins in electric arc furnaces, defines simple and easy electric arc furnaces scrap steel preheating and dust arrester.Shaft furnace, horizontal stove and confession airduct thereof, Gas Pipe, dust removing tube are all placed on the framework with running gear; Connection for airduct, Gas Pipe, dust removing tube and device outside is realized by flexible pipe or revoling tube.
Description
Technical field
Field of smelting belonging to the utility model, relates to the simple and easy scrap preheater of a kind of electric arc furnaces, and this device has many good qualities compared with existing electric arc furnaces preheating device.The utility model structure is simple, effectively realize electric-arc furnace steelmaking produce in preheating scrap, reach steel-making obviously energy-conservation, economize on electricity, boost productivity and the object of good dedusting effect.
Background technology
At present, the steel scrap preheating device of electric arc furnace that China is existing, mainly horizontal and shaft furnace formula.Its weak point is that output investment ratio is larger; Device is fixed, and not easily seals, and has connection problem with the operation of electric arc furnaces.
Summary of the invention
Technical problem to be solved in the utility model is to provide the simple and easy scrap preheater of a kind of electric arc furnaces, and it is larger that this device overcomes existing apparatus output investment ratio; Device is fixed, and not easily seals, and has connection problem etc. with the operation of electric arc furnaces.Simple and easy scrap preheater mainly contains shaft furnace and horizontal stove and forms, and is all contained on a transportable framework, needs when filling with substance to dock charging, leave when not needing with electric arc furnaces at electric arc furnaces, ensures the normal operating of the rear reduction period of electric arc furnaces fusing.Between separation period, the outer heating load of simple and easy scrap preheater still heats the steel scrap of the inside.
Technical problem to be solved in the utility model realizes with following scheme:
The simple and easy scrap preheater of electric arc furnaces, comprises shaft furnace, horizontal stove, heat supply burner, fume pipe, framework and electric arc furnaces docking port six part.It is characterized in that, the horizontal stove of the angled connection in top of shaft furnace, the bottom of shaft furnace can be connected with electric arc furnaces docking port or leave as required; The other end of horizontal stove has fume pipe to be connected with the outside phoenix house steward that draws, and plays the effect leading high-temperature flue gas and steel scrap heat convection; The appropriate location of shaft furnace and horizontal stove arranges some heat supply burners; Shaft furnace in whole device, horizontal stove and annex thereof are all arranged on a moveable framework.
The simple and easy scrap preheater of above-mentioned electric arc furnaces, said shaft furnace refers to fixing cigarette material pipe, lifting cigarette material tube portion in patent " intermediate frequency furnace scrap steel preheating and dust arrester " (ZL201020545313.2), comprises canned paragraph sleeve and the superincumbent active segment sleeve of cover; Sleeve section configuration can be circular or square or platform shape; The angle on sleeve and ground can be 45
0-90
0scope.
The simple and easy scrap preheater of above-mentioned electric arc furnaces, said horizontal stove, inside is a slat feeder, and body of heater is a sealing thermal insulation casing, and sealing thermal insulation casing is equipped with heating burner close to shaft furnace part, and there are sealing material mouth and air inducing fume pipe in the one end away from shaft furnace.
The simple and easy scrap preheater of above-mentioned electric arc furnaces, said heat supply burner comprises shaft furnace burner and horizontal stove burner.Airduct, the gas pipe of heat supply burner are connected source by flexible pipe or revoling tube be connected with outside wind regime, coal gas.
The simple and easy scrap preheater of above-mentioned electric arc furnaces, described flue dust pipe is connected the receiving opening end of horizontal stove and is connected with air inducing house steward or Special draft fan by flexible pipe or movable telescoping tube.
The simple and easy scrap preheater of above-mentioned electric arc furnaces, described movable framework carries the facilities such as all shaft furnaces, horizontal stove, and movable framework can laterally or perpendicularly to move up.
The simple and easy scrap preheater of above-mentioned electric arc furnaces, described electric arc furnaces docking port is mounted on electric arc furnaces, comprises receiving opening and receiving opening removable cover.
The simple and easy preheating of electric arc furnaces provided by the utility model and dust arrester, patent ZL201020545313.2 " intermediate frequency furnace for preheating furnace charge and dust arrester " basis is improved, supporting horizontal stove and the facility such as burner, sealing feeding port thereof, be applied on electric arc furnaces.Solve original plant investment larger; Device is fixed, and not easily seals, and is connected the problem of difficulty with the operation of electric arc furnaces.
accompanying drawing explanation
Fig. 1 be the utility model the side view of a kind of embodiment of the simple and easy scrap preheater of electric arc furnaces, Figure of description are provided; Specification digest accompanying drawing;
Tool
body embodiment
Below in conjunction with embodiment accompanying drawing, the utility model is further described:
See Fig. 1.The embodiment of the simple and easy scrap preheater of a kind of electric arc furnaces provided by the utility model: comprise shaft furnace [1], horizontal stove [2], heat supply burner [3], fume pipe [4], movable framework [5] and electric arc furnaces docking port [6] six part and form.It is characterized in that, the angled and horizontal stove [2] in top of shaft furnace [1] is connected, and bottom can connect electric arc furnaces docking port [6]; The other end of horizontal stove [2] has fume pipe [4]; Shaft furnace and horizontal stove arrange some heat supply burners [3]; Shaft furnace [1] in whole device, horizontal stove [2], heat supply burner [3], fume pipe [4] are all arranged on framework [5].
Shaft furnace [1] is the fixing cigarette material lifting cigarette material tube portion in patent " (ZL201020545313.2) intermediate frequency furnace for preheating furnace charge and dust arrester ", comprises canned paragraph sleeve [1-1] and overlaps heat supply burner [3-1], the control valve [1-3] on superincumbent active segment sleeve [1-2] and active segment [1-2].Canned paragraph sleeve [1-1] and to overlap superincumbent active segment sleeve [1-2] section be square circular or trapezoidal, with ground angle 45
0-90
0scope.
Horizontal stove [2] is made up of slat feeder [2-1], thermal-insulating sealing casing [2-2], heating burner [3-2] and reinforced sealing material mouth [2-3].
Dust removing tube [5] is connected the receiving opening end of horizontal stove [2] and is connected by flexible pipe air inducing house steward.Framework [5] carrying shaft furnace [1], horizontal stove [2] facility, framework [5] can laterally or vertically to move up.
Electric arc furnaces interface [6] comprises receiving opening [6-1] and receiving opening removable cover [6-2].
Claims (7)
1. the simple and easy scrap preheater of electric arc furnaces, comprises shaft furnace [1], horizontal stove [2], heat supply burner [3], fume pipe [4], framework [5] and electric arc furnaces docking port [6] six part.It is characterized in that, the top of shaft furnace [1] is connected with horizontal stove [2], and shaft furnace [1] bottom can connect the docking port [6] of electric arc furnaces; The other end of horizontal stove [2] has fume pipe [4]; Shaft furnace [1] and horizontal stove [2] arrange heat supply burner [3]; Shaft furnace [1] in whole device, horizontal stove [2], heat supply burner [3], fume pipe [4] are all arranged on framework [5].
2. the simple and easy scrap preheater of a kind of electric arc furnaces according to claim 1, is characterized in that; Said shaft furnace [1] is fixing cigarette material pipe, lifting cigarette material tube portion in patent " intermediate frequency furnace scrap steel preheating and dust arrester (ZL201020545313.2) "; Comprise canned paragraph sleeve [1-1] and overlap heat supply burner [3-1], the control valve [1-3] on superincumbent active segment sleeve [1-2] and active segment [1-2].
3. according to the simple and easy scrap preheater of a kind of electric arc furnaces of claim 1 or claim 2, the sleeve section configuration of said canned paragraph sleeve [1-1] and active segment sleeve [1-2] is respectively circular or square or platform shape, and canned paragraph sleeve [1-1] and active segment sleeve [1-2] can be 45 with the angle on ground
0-90
0scope.
4. the simple and easy scrap preheater of a kind of electric arc furnaces according to claim 1, is characterized in that; Said horizontal stove [2], is made up of slat feeder [2-1], thermal-insulating sealing casing [2-2], heat supply burner [3-2], reinforced sealing material mouth [2-3];
5. the simple and easy scrap preheater of a kind of electric arc furnaces according to claim 1, is characterized in that; Described fume pipe [4] is connected the receiving opening end of horizontal stove [2] and is connected with air inducing house steward or air-introduced machine by flexible pipe or movable telescoping tube.
6. the simple and easy scrap preheater of a kind of electric arc furnaces according to claim 1, is characterized in that; Described framework [5] carrying shaft furnace [1], horizontal stove [2] facility, framework [5] can laterally or perpendicularly to move up.
7. the simple and easy scrap preheater of a kind of electric arc furnaces according to claim 1, is characterized in that; Described electric arc furnaces docking port [6] comprises receiving opening [6-1] and receiving opening removable cover [6-2].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572519.8U CN204100774U (en) | 2013-09-16 | 2013-09-16 | The simple and easy scrap preheater of electric arc furnaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572519.8U CN204100774U (en) | 2013-09-16 | 2013-09-16 | The simple and easy scrap preheater of electric arc furnaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204100774U true CN204100774U (en) | 2015-01-14 |
Family
ID=52269194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320572519.8U Expired - Fee Related CN204100774U (en) | 2013-09-16 | 2013-09-16 | The simple and easy scrap preheater of electric arc furnaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204100774U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236841A (en) * | 2017-07-31 | 2017-10-10 | 安徽盛博冶金环保科技有限公司 | The heater and heating means of a kind of use converter gas waste-heat steel scrap |
| CN107267709A (en) * | 2017-07-31 | 2017-10-20 | 安徽盛博冶金环保科技有限公司 | A kind of use converter gas all can heat the heater and heating means of steel scrap |
| WO2020083579A1 (en) * | 2018-10-22 | 2020-04-30 | Inteco Melting And Casting Technologies Gmbh | System for melting down scrap and method for operating the system |
-
2013
- 2013-09-16 CN CN201320572519.8U patent/CN204100774U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236841A (en) * | 2017-07-31 | 2017-10-10 | 安徽盛博冶金环保科技有限公司 | The heater and heating means of a kind of use converter gas waste-heat steel scrap |
| CN107267709A (en) * | 2017-07-31 | 2017-10-20 | 安徽盛博冶金环保科技有限公司 | A kind of use converter gas all can heat the heater and heating means of steel scrap |
| WO2020083579A1 (en) * | 2018-10-22 | 2020-04-30 | Inteco Melting And Casting Technologies Gmbh | System for melting down scrap and method for operating the system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20160916 |