CN111551020B - 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
- CN111551020B CN111551020B CN202010401973.1A CN202010401973A CN111551020B CN 111551020 B CN111551020 B CN 111551020B CN 202010401973 A CN202010401973 A CN 202010401973A CN 111551020 B CN111551020 B CN 111551020B
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- China
- Prior art keywords
- dust
- charging section
- dust collection
- trough
- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 163
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 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
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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 removing system and a horizontal continuous feeding electric furnace, wherein the feeding section dust removing system comprises a feeding section trough, a feeding section skirt board and a dust removing component, wherein the feeding section skirt board is arranged at the upper side part of the feeding section trough, dust collecting holes are formed in the feeding section trough and the feeding section skirt board, the dust removing component is communicated with the dust collecting holes, and the dust removing component can absorb smoke dust at the feeding section trough and the feeding section skirt board. The invention has the beneficial effects that the dust collection assemblies are arranged at the charging section trough and the charging section skirt board, so that the dust collection can be carried out at the dust generation position, the dust collection is close to the dust generation point, the escape of the dust 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 of a charging section and a horizontal continuous charging electric furnace.
Background
With the increasingly strict environmental protection requirements of the metallurgical industry, the dust removal problem in the field of electric arc furnace steelmaking is increasingly highlighted. For horizontal continuous charging furnaces, the scrap steel, when added to the charging section, inevitably generates a large amount of smoke and so far there is no better solution for such smoke.
Because the temperature of the smoke dust is normal temperature, the rising effect of hot air can not be generated, and therefore, the mode of setting a roof cover on the roof of a factory building is not feasible to capture the smoke dust. Considering that scrap steel feeding is also required above the feeding section, it is also difficult to achieve a trapping hood above the horizontal continuous feeding electric furnace.
Disclosure of Invention
The invention provides a dust removal system of a charging section and a horizontal continuous charging electric furnace, so as to achieve the purpose of reducing smoke and dust escape.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a reinforced section dust pelletizing system, includes reinforced section silo, reinforced section skirtboard and dust removal subassembly, and reinforced section skirtboard sets up on the side upper portion of reinforced section silo, and reinforced section silo and reinforced section skirtboard all are provided with dust absorption hole, and dust removal subassembly and dust absorption hole intercommunication, dust removal subassembly can absorb the smoke and dust of reinforced section silo and reinforced section skirtboard department.
Further, a dust collection pore is formed in the bottom plate of the charging section trough, the dust collection assembly comprises a lower dust collection pipe of the charging section trough, and the lower dust collection pipe of the charging section trough is communicated with the dust collection pore at the bottom plate of the charging section trough.
Further, dust collection holes are distributed on the bottom plate of the charging section trough at intervals.
Further, dust collection holes are formed in the side plates of the charging section trough, the dust collection assembly comprises a trough side dust collection pipe, and the trough side dust collection pipe is communicated with the dust collection holes in the side plates of the charging section trough.
Further, dust collection holes are distributed on the side plates of the charging section trough at intervals.
Further, the apron boards of the feeding section are two, the two apron boards of the feeding section are symmetrically arranged on two sides of the feeding section trough, dust collection holes are formed in each apron board of the feeding section, the dust collection assembly further comprises an apron board lower dust collection pipe, and the apron board lower dust collection pipe is connected with the dust collection holes in the apron board of the feeding section.
Further, dust collection holes are distributed on the skirt board of each charging section at intervals.
Further, the dust collection pore is of a round hole structure, and the diameter of the dust collection pore ranges from 0.01m to 0.1 m.
The invention also provides a horizontal continuous charging electric furnace, which comprises the charging section dust removal system.
The invention has the beneficial effects that the dust collection assemblies are arranged at the charging section trough and the charging section skirt board, so that the dust collection can be carried out at the dust generation position, the dust collection is close to the dust generation point, the escape of the dust can be effectively reduced, and the good workshop environment is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals in the drawings: 11. a charging section trough; 12. skirt board of charging section; 21. a dust removing pipe under the trough of the feeding section; 22. a dust removing pipe on the side surface of the trough; 23. and a dust removing pipe under the apron board.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, the embodiment of the invention provides a dust removal system for a charging section, which comprises a charging section trough 11, a charging section skirt board 12 and a dust removal component, wherein the charging section skirt board 12 is arranged at the upper side part of the charging section trough 11, the charging section trough 11 and the charging section skirt board 12 are both provided with dust collection holes, and the dust removal component is communicated with the dust collection holes and can absorb dust at the charging section trough 11 and the charging section skirt board 12.
Through setting up dust removal subassembly in charging section silo 11 and charging section skirtboard 12 department, can carry out the smoke and dust entrapment in the department of producing of smoke and dust, it is near to the smoke and dust production point, can effectively reduce the smoke and dust and escape, guarantee that workshop environment is good.
The bottom plate of the feeding section trough 11 is provided with dust collection holes, the dust collection assembly comprises a feeding section trough lower dust collection pipe 21, and the feeding section trough lower dust collection pipe 21 is connected with the dust collection holes at the bottom plate of the feeding section trough 11.
The side plate of the charging section trough 11 is provided with dust collection holes, the dust collection assembly comprises a trough side dust collection pipe 22, and the trough side dust collection pipe 22 is connected with the dust collection holes at the side plate of the charging section trough 11.
Dust collection holes are formed in the bottom plate and the side plates, and dust can be removed from the whole bottom plate and the side plates of the charging section trough 11. As shown in fig. 1, the bottom plate is arranged along the horizontal direction, two side plates are symmetrically arranged at two sides of the bottom plate at intervals, and the charging section trough 11 is opened for allowing materials to enter.
Preferably, the dust collection holes are distributed on the bottom plate and the side plate of the charging section trough 11 at intervals. The dust collection holes are arranged, so that the adsorption capacity is increased, negative pressure is generated in the dust collection holes when the dust collection assembly is opened, and the dust is prevented from overflowing. Meanwhile, the adsorption range and the area of the charging section trough 11 can be increased by the dust collection holes.
The two apron boards 12 of the charging section are symmetrically arranged on two sides of the charging section trough 11, dust collection holes are formed in each apron board 12 of the charging section, the dust collection assembly further comprises an apron board lower dust collection pipe 23, and the apron board lower dust collection pipe 23 is connected with the dust collection holes in the apron board 12 of the charging section.
The apron board lower dust removing pipe 23 is arranged on the apron board 12 of the feeding section, and dust removal at the position of the apron board 12 of the feeding can be realized through the apron board lower dust removing pipe 23, so that the dust removing area of the whole device is increased, and the dust removing quality is ensured.
Preferably, the dust collection holes are distributed on the skirt plate 12 of each feeding section at intervals. The dust collection holes are arranged, so that the adsorption capacity is increased, negative pressure is generated in the dust collection holes when the dust collection assembly is opened, and the dust is prevented from overflowing. At the same time, the plurality of dust extraction apertures can increase the adsorption area and area of each charging section skirt 12.
In the embodiment of the invention, the dust collection pore is of a round hole structure, and the diameter of the dust collection pore ranges from 0.01m to 0.1 m. The aperture can ensure that smoke dust smoothly passes through, but materials (waste steel and the like) cannot leak in from dust collection holes.
The embodiment of the invention also provides a horizontal continuous charging electric furnace, which comprises the charging section dust removal system, wherein the mounting mode and the mounting position of the charging section dust removal system of the horizontal continuous charging electric furnace can be selected according to different working condition requirements, but the changes of the mounting modes are all within the protection scope of the invention.
The lower trough dust removing pipe 21, the side trough dust removing pipe 22 and the lower skirt plate dust removing pipe 23 of the charging section are all communicated with a dust removing device, and the dust removing device is a dust removing device of a horizontal continuous charging electric furnace, such as a cloth bag dust removing device. Dust in the feeding section under-trough dust removing pipe 21, the trough side dust removing pipe 22 and the apron board under-trough dust removing pipe 23 finally enters the cloth bag dust removing device.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
1. The smoke dust is trapped at the smoke dust generation position of the feeding section of the horizontal continuous feeding electric furnace, and is close to the smoke dust generation point, so that the escape of the smoke dust can be effectively reduced, and the good workshop environment is ensured.
2. The dust removing pipes are arranged in the space below the horizontal continuous feeding electric furnace trough and the apron board, the equipment is simple, and the space is saved.
3. The wall of the dust removing pipe is connected with the skirt board and the wall board and the bottom board of the trough, so that pipeline materials are saved, and investment cost is reduced.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical scheme, technical characteristics and technical scheme can be freely combined for use.
Claims (7)
1. The utility model provides a charging section dust pelletizing system which is characterized in that, including charging section silo (11), charging section skirtboard (12) and dust removal subassembly, charging section skirtboard (12) set up charging section silo (11) side upper portion, charging section silo (11) with charging section skirtboard (12) all are provided with dust absorption hole, dust removal subassembly with dust absorption hole intercommunication, dust removal subassembly can absorb charging section silo (11) with the smoke and dust of charging section skirtboard (12) department;
The dust collection pore is formed in the bottom plate of the feeding section trough (11), the dust collection assembly comprises a feeding section trough lower dust collection pipe (21), and the feeding section trough lower dust collection pipe (21) is communicated with the dust collection pore at the bottom plate of the feeding section trough (11);
The side plate of the charging section trough (11) is provided with dust collection holes, the dust collection assembly comprises a trough side dust collection pipe (22), and the trough side dust collection pipe (22) is communicated with the dust collection holes at the side plate of the charging section trough (11);
The dust removal assembly further comprises a skirt plate lower dust removal pipe (23), and the skirt plate lower dust removal pipe (23) is connected with the dust collection holes on the skirt plate (12) of the charging section.
2. The charging section dust removal system according to claim 1, wherein the dust collection holes are a plurality of and are uniformly distributed on the bottom plate of the charging section trough (11) at intervals.
3. The charging section dust removal system according to claim 1, wherein the dust collection holes are a plurality of and are uniformly distributed on the side plate of the charging section trough (11) at intervals.
4. The charging section dust removal system according to claim 1, wherein two charging section skirtboards (12) are symmetrically arranged on two sides of the charging section trough (11), and each charging section skirtboard (12) is provided with the dust collection hole.
5. The charging section dust removal system as set forth in claim 4, wherein said plurality of dust collection apertures are spaced apart and evenly distributed on each of said charging section skirt panels (12).
6. The charging section dust removal system of claim 1, wherein the dust collection aperture is of circular aperture configuration, and the diameter of the dust collection aperture ranges from 0.01m to 0.1 m.
7. A horizontal continuous feed electric furnace comprising a feed section dust removal system, wherein the feed section dust removal system is the feed section dust removal system of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010401973.1A CN111551020B (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 CN111551020B (en) | 2020-05-13 | 2020-05-13 | Dust removal system for charging section and horizontal continuous charging electric furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111551020A CN111551020A (en) | 2020-08-18 |
| CN111551020B true CN111551020B (en) | 2024-07-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010401973.1A Active CN111551020B (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) | CN111551020B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Family Cites Families (5)
| 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 |
| 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 |
| CN109612264B (en) * | 2019-02-22 | 2024-02-06 | 中冶赛迪工程技术股份有限公司 | Continuous charging steelmaking electric arc furnace 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 |
-
2020
- 2020-05-13 CN CN202010401973.1A patent/CN111551020B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
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| Publication number | Publication date |
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| CN111551020A (en) | 2020-08-18 |
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