CN111551020A - Dust removal system for charging section and horizontal continuous charging electric furnace - Google Patents
Dust removal system for charging section and horizontal continuous charging electric furnace Download PDFInfo
- Publication number
- CN111551020A CN111551020A CN202010401973.1A CN202010401973A CN111551020A CN 111551020 A CN111551020 A CN 111551020A CN 202010401973 A CN202010401973 A CN 202010401973A CN 111551020 A CN111551020 A CN 111551020A
- Authority
- CN
- China
- Prior art keywords
- dust
- dust removal
- section
- trough
- feeding section
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 161
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims description 29
- 238000005453 pelletization Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 2
- 238000010410 dusting Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 239000011148 porous material Substances 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009845 electric arc furnace steelmaking Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/003—Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a feeding section dust removal system and a horizontal continuous feeding electric furnace, wherein the feeding section dust removal system comprises a feeding section trough, a feeding section apron board and a dust removal assembly, the feeding section apron board is arranged at the upper part of the side surface of the feeding section trough, the feeding section trough and the feeding section apron board are both provided with dust collection holes, the dust removal assembly is communicated with the dust collection holes, and the dust removal assembly can absorb smoke dust at the feeding section trough and the feeding section apron board. The dust collection device has the advantages that the dust collection components are arranged at the feeding section trough and the feeding section apron board, so that smoke dust can be collected at the smoke dust generation position, the smoke dust generation position is close to the smoke dust generation point, the smoke dust escape can be effectively reduced, and the good workshop environment is ensured.
Description
Technical Field
The invention relates to the field of electric arc furnace steelmaking, in particular to a dust removal system for a feeding section and a horizontal continuous feeding electric furnace.
Background
Along with the stricter and stricter environmental protection requirements of the metallurgical industry, the dust removal problem in the field of electric arc furnace steelmaking is more and more prominent. For horizontal continuous charging electric furnaces, when the scrap steel is charged into the charging section, a large amount of smoke is inevitably generated, and no better solution is provided for the smoke so far.
Because the temperature of the smoke dust is normal temperature, the hot gas rising effect cannot be generated, and therefore, the smoke dust cannot be collected in a roof cover mode arranged on the roof of a factory building. The arrangement of a trap hood above a horizontal continuous charging furnace is also difficult to achieve, considering that the charging of scrap steel is also required above the charging section.
Disclosure of Invention
The invention provides a dust removal system for a feeding section and a horizontal continuous feeding electric furnace, which aim to reduce the escape of smoke dust.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a add feed segment dust pelletizing system, is including adding feed segment silo, adding feed segment skirtboard and dust removal component, adds feed segment skirtboard setting on the side upper portion of adding feed segment silo, adds feed segment silo and adds feed segment skirtboard and all is provided with the dust absorption hole, and dust removal component and dust absorption hole intercommunication, dust removal component can absorb the smoke and dust of adding feed segment silo and adding feed segment skirtboard department.
Furthermore, dust absorption holes are formed in the bottom plate of the feeding section trough, the dust removal assembly comprises a dust removal pipe below the feeding section trough, and the dust removal pipe below the feeding section trough is communicated with the dust absorption holes in the bottom plate of the feeding section trough.
Furthermore, a plurality of dust collection holes are uniformly distributed on the bottom plate of the feeding section trough at intervals.
Furthermore, dust absorption holes are formed in side plates of the feeding section trough, the dust removal assembly comprises a trough side dust removal pipe, and the trough side dust removal pipe is communicated with the dust absorption holes in the side plates of the feeding section trough.
Furthermore, the dust absorption pore space is a plurality of, and the interval equipartition is on the curb plate of feeding section silo.
Furthermore, add feed section skirtboard and be two, the symmetry sets up in the both sides of adding the feed section silo, all is provided with the dust absorption hole on every feeding section skirtboard, and dust removal component still includes dust removal pipe under the skirtboard, and dust removal pipe is connected with the dust absorption hole on the feed section skirtboard under the skirtboard.
Furthermore, a plurality of dust absorption holes are uniformly distributed on the skirtboard of each feeding section at intervals.
Furthermore, the dust absorption pore is of a circular hole structure, and the diameter range of the dust absorption pore is between 0.01m and 0.1 m.
The invention also provides a horizontal continuous charging electric furnace which comprises the charging section dust removal system.
The dust collection device has the advantages that the dust collection components are arranged at the feeding section trough and the feeding section apron board, so that smoke dust can be collected at the smoke dust generation position, the smoke dust generation position is close to the smoke dust generation point, the smoke dust escape can be effectively reduced, and the good workshop environment is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numbers in the figures: 11. a feeding section trough; 12. a feeding section apron board; 21. a feeding section material groove lower dust removal pipe; 22. a dust removal pipe on the side surface of the trough; 23. and a dust removal pipe below the apron board.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, an embodiment of the present invention provides a feeding section dust removal system, which includes a feeding section trough 11, a feeding section apron 12, and a dust removal assembly, where the feeding section apron 12 is disposed on an upper portion of a side surface of the feeding section trough 11, both the feeding section trough 11 and the feeding section apron 12 are provided with dust collection holes, and the dust removal assembly is communicated with the dust collection holes and can collect dust at the feeding section trough 11 and the feeding section apron 12.
Through setting up dust removal component in reinforced section silo 11 and reinforced section skirtboard 12 department, can carry out the smoke and dust entrapment in the production department of smoke and dust, it is close to the smoke and dust production point, can effectively reduce the smoke and dust and escape, guarantee that workshop environment is good.
Dust absorption hole is arranged on the bottom plate of the feeding section trough 11, the dust removal assembly comprises a dust removal pipe 21 below the feeding section trough, and the dust removal pipe 21 below the feeding section trough is connected with the dust absorption hole at the bottom plate of the feeding section trough 11.
Dust absorption holes are formed in the side plates of the feeding section trough 11, the dust removal assembly comprises a trough side dust removal pipe 22, and the trough side dust removal pipe 22 is connected with the dust absorption holes in the side plates of the feeding section trough 11.
Dust collection holes are formed in the bottom plate and the side plates, and the whole bottom plate and the whole side plates of the feeding section trough 11 can be dedusted. As shown in fig. 1, the bottom plate is arranged along the horizontal direction, the side plates are symmetrically arranged at two sides of the bottom plate at intervals, and the feeding section trough 11 is in an open shape and is used for feeding materials.
Preferably, a plurality of dust suction holes are uniformly distributed on the bottom plate and the side plate of the feeding section trough 11 at intervals. The plurality of dust absorption holes are arranged, so that the adsorption capacity is increased, negative pressure is generated in the dust absorption holes when the dust absorption assembly is opened, and the smoke dust is prevented from overflowing and scattering. Meanwhile, the adsorption range and the area of the feeding section trough 11 can be increased by the aid of the dust collection holes.
Add material section skirtboard 12 and be two, the symmetry sets up in the both sides of adding material section silo 11, all is provided with the dust absorption hole on every material section skirtboard 12, and dust removal component still includes dust removal pipe 23 under the skirtboard, and dust removal pipe 23 is connected with the dust absorption hole on the material section skirtboard 12 under the skirtboard.
The apron board lower dust removal pipe 23 is arranged on the feeding section apron board 12, and dust removal at the feeding apron board 12 can be achieved through the apron board lower dust removal pipe 23, so that the dust removal area of the whole device is increased, and the dust removal quality is guaranteed.
Preferably, a plurality of dust suction holes are uniformly distributed on each feeding section apron plate 12 at intervals. The plurality of dust absorption holes are arranged, so that the adsorption capacity is increased, negative pressure is generated in the dust absorption holes when the dust absorption assembly is opened, and the smoke dust is prevented from overflowing and scattering. Meanwhile, the plurality of dust absorption holes can increase the adsorption range and area of the skirtboard 12 of each feeding section.
In the embodiment of the invention, the dust absorption pore is of a circular hole structure, and the diameter range of the dust absorption pore is between 0.01m and 0.1 m. The pore size can ensure that smoke dust can pass through smoothly, but materials (scrap steel and the like) cannot leak into the pores through dust collection pores.
The embodiment of the invention also provides a horizontal continuous charging electric furnace, which comprises the charging section dust removal system, wherein the installation mode and the installation position of the charging section dust removal system can be selected according to different working conditions of the horizontal continuous charging electric furnace, but the change of the installation modes is within the protection scope of the invention.
The feeding section trough lower dust removal pipe 21, the trough side surface dust removal pipe 22 and the apron plate lower dust removal pipe 23 are all communicated with a dust removal device, and the dust removal device is a dust removal device of a horizontal continuous feeding electric furnace, such as a cloth bag dust removal device. Dust in the feeding section trough lower dust removal pipe 21, the trough side dust removal pipe 22 and the apron plate lower dust removal pipe 23 finally enters the cloth bag dust removal device.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. the smoke dust is collected at the smoke dust generating position of the feeding section of the horizontal continuous feeding electric furnace and is close to the smoke dust generating point, so that the escape of the smoke dust can be effectively reduced, and the good workshop environment is ensured.
2. The dust removal pipes are arranged in the space below the material groove and the space below the apron plate of the horizontal continuous charging electric furnace effectively, the equipment is simple, and the space is saved.
3. The wall of the dust removal pipe is provided with the wall plate and the bottom plate of the apron plate and the trough, so that the pipeline material is saved, and the investment cost is reduced.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (9)
1. The utility model provides a add feed section dust pelletizing system, its characterized in that, is including adding feed section silo (11), adding feed section skirtboard (12) and dust removal component, it sets up to add feed section skirtboard (12) add the side upper portion of feed section silo (11), add feed section silo (11) with it all is provided with the dust absorption hole to add feed section skirtboard (12), dust removal component with dust absorption hole intercommunication, dust removal component can absorb add feed section silo (11) with add the smoke and dust of feed section skirtboard (12) department.
2. The charging section dust removal system according to claim 1, wherein the dust suction aperture is provided in a bottom plate of the charging section trough (11), and the dust removal assembly comprises a charging section trough lower dust removal pipe (21), and the charging section trough lower dust removal pipe (21) is communicated with the dust suction aperture at the bottom plate of the charging section trough (11).
3. The dust removal system for the feeding section of claim 2, wherein the dust suction holes are distributed at intervals on the bottom plate of the feeding section trough (11).
4. The charging section dust removal system according to claim 1, wherein the dust suction aperture is provided in a side plate of the charging section trough (11), and the dust removal assembly comprises a trough side dust removal pipe (22), and the trough side dust removal pipe (22) is communicated with the dust suction aperture at the side plate of the charging section trough (11).
5. The dust removal system for the feeding section of claim 4, wherein the dust suction holes are distributed in a plurality at intervals on the side plate of the feeding section trough (11).
6. The feeding section dedusting system of claim 1, wherein the feeding section skirt boards (12) are two and symmetrically arranged on two sides of the feeding section trough (11), each feeding section skirt board (12) is provided with the dust suction hole, and the dedusting assembly further comprises a skirt board lower dedusting pipe (23), and the skirt board lower dedusting pipe (23) is connected with the dust suction hole on the feeding section skirt board (12).
7. A charging section de-dusting system according to claim 6, characterised in that said dust suction apertures are provided in plurality, spaced apart from each other on each of said charging section skirt panels (12).
8. The dust pelletizing system of claim 1, wherein the dust extraction aperture is a circular hole configuration, and the diameter of the dust extraction aperture ranges from 0.01m to 0.1 m.
9. A horizontal continuous charging electric furnace comprising a charging section dust removal system, characterized in that the charging section dust removal system is the charging section dust removal system of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010401973.1A CN111551020A (en) | 2020-05-13 | 2020-05-13 | Dust removal system for charging section and horizontal continuous charging electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010401973.1A CN111551020A (en) | 2020-05-13 | 2020-05-13 | Dust removal system for charging section and horizontal continuous charging electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111551020A true CN111551020A (en) | 2020-08-18 |
Family
ID=72008131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010401973.1A Pending CN111551020A (en) | 2020-05-13 | 2020-05-13 | Dust removal system for charging section and horizontal continuous charging electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111551020A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348357A (en) * | 2005-06-17 | 2006-12-28 | Nippon Steel Corp | Method for melting scrap in refining furnace |
| CN2906510Y (en) * | 2006-03-24 | 2007-05-30 | 李振洪 | Horizontal continuous-charging scrap preheating device for electric arc steel smelting furnace |
| CN105865193A (en) * | 2016-05-30 | 2016-08-17 | 中冶赛迪工程技术股份有限公司 | Sealed charging device and flue gas temperature control method of electric-arc furnace |
| CN205690871U (en) * | 2016-05-30 | 2016-11-16 | 中冶赛迪工程技术股份有限公司 | A kind of electric arc furnace sealed feeding device |
| CN107460274A (en) * | 2017-09-22 | 2017-12-12 | 中冶赛迪工程技术股份有限公司 | A kind of horizontal continuity charging preheating device and its strengthening preheating method |
| CN109612264A (en) * | 2019-02-22 | 2019-04-12 | 中冶赛迪工程技术股份有限公司 | Continuous charging electric furnace arrangement for producing steel device |
| CN110819758A (en) * | 2019-11-12 | 2020-02-21 | 中冶京诚工程技术有限公司 | Combined converter tertiary dust collecting device and converter steelmaking system |
| CN212133261U (en) * | 2020-05-13 | 2020-12-11 | 中冶京诚工程技术有限公司 | Dust removal system for charging section and horizontal continuous charging electric furnace |
-
2020
- 2020-05-13 CN CN202010401973.1A patent/CN111551020A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348357A (en) * | 2005-06-17 | 2006-12-28 | Nippon Steel Corp | Method for melting scrap in refining furnace |
| CN2906510Y (en) * | 2006-03-24 | 2007-05-30 | 李振洪 | Horizontal continuous-charging scrap preheating device for electric arc steel smelting furnace |
| CN105865193A (en) * | 2016-05-30 | 2016-08-17 | 中冶赛迪工程技术股份有限公司 | Sealed charging device and flue gas temperature control method of electric-arc furnace |
| CN205690871U (en) * | 2016-05-30 | 2016-11-16 | 中冶赛迪工程技术股份有限公司 | A kind of electric arc furnace sealed feeding device |
| CN107460274A (en) * | 2017-09-22 | 2017-12-12 | 中冶赛迪工程技术股份有限公司 | A kind of horizontal continuity charging preheating device and its strengthening preheating method |
| CN109612264A (en) * | 2019-02-22 | 2019-04-12 | 中冶赛迪工程技术股份有限公司 | Continuous charging electric furnace arrangement for producing steel device |
| CN110819758A (en) * | 2019-11-12 | 2020-02-21 | 中冶京诚工程技术有限公司 | Combined converter tertiary dust collecting device and converter steelmaking system |
| CN212133261U (en) * | 2020-05-13 | 2020-12-11 | 中冶京诚工程技术有限公司 | Dust removal system for charging section and horizontal continuous charging electric furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212133261U (en) | Dust removal system for charging section and horizontal continuous charging electric furnace | |
| CN111551020A (en) | Dust removal system for charging section and horizontal continuous charging electric furnace | |
| CN201969720U (en) | Smoke gathering device for ladle refining furnace | |
| CN108767764A (en) | A kind of fireproofing cable bridge used under high temperature environment | |
| CN209990186U (en) | Dust fall sound insulation box structure | |
| CN201615692U (en) | Multi-seal blasting annular cooling machine | |
| CN212176737U (en) | Suspended ceiling type machine room | |
| CN209084308U (en) | A kind of Anti-seismic electromechanical assembly | |
| CN210339397U (en) | Dust suppression assembly of sand making production line | |
| CN207763511U (en) | A kind of aluminium melting and holding furnace fire door air curtain dust collection cover | |
| CN103090007B (en) | Sealing device between annular cooler trolley breast board and door-shaped cover | |
| CN204757713U (en) | Intermediate frequency furnace stove top dust collector | |
| CN204425828U (en) | Rack | |
| CN213790473U (en) | High temperature resistant blast furnace dust collector | |
| CN209166104U (en) | A kind of follow-on arc furnace cover convenient for heat dissipation smoke evacuation | |
| CN211233930U (en) | Sealing structure for sintering machine | |
| CN204495038U (en) | A kind of novel vertical cylindrical shape furnace | |
| CN220892995U (en) | Side labyrinth sealing structure of vibration conveying preheating duct | |
| CN209623332U (en) | A kind of novel furnace cover structure of electric arc furnaces | |
| CN203904383U (en) | Flue support device | |
| CN107062922B (en) | Main exhauster of sintering frequency conversion tank disassembles and installs method | |
| CN219139166U (en) | Prefilter and tail pipe sealing structure for loader | |
| CN208522390U (en) | A kind of fireproofing cable bridge used under high temperature environment | |
| CN210151146U (en) | Converter tertiary dust excluding hood and converter tertiary dust excluding system | |
| CN110986025B (en) | Baffle type secondary combustion chamber |
Legal Events
| 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 |