CN220520539U - Scrap steel dust collector for steelmaking - Google Patents
Scrap steel dust collector for steelmaking Download PDFInfo
- Publication number
- CN220520539U CN220520539U CN202321953678.2U CN202321953678U CN220520539U CN 220520539 U CN220520539 U CN 220520539U CN 202321953678 U CN202321953678 U CN 202321953678U CN 220520539 U CN220520539 U CN 220520539U
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- China
- Prior art keywords
- dust removal
- air
- air inlet
- exhaust
- air distribution
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- 239000000428 dust Substances 0.000 title claims abstract description 88
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000009628 steelmaking Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000009826 distribution Methods 0.000 claims description 59
- 230000001174 ascending effect Effects 0.000 abstract description 6
- 238000010891 electric arc Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009845 electric arc furnace steelmaking Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to the technical field of steelmaking, in particular to a steel scrap dust removing device for steelmaking, which comprises a dust removing channel, wherein one end of the dust removing channel is communicated with a conveying groove, the other end of the dust removing channel is communicated with a buffer tube, the top of the dust removing channel is provided with an exhaust structure, the bottom of the dust removing channel is connected with an air inlet mechanism, air flow entering the dust removing channel through the air inlet mechanism can be discharged from the exhaust structure, and the air inlet mechanism at the bottom of the dust removing channel is used for forming an ascending air flow in the dust removing channel.
Description
Technical Field
The utility model relates to the technical field of steelmaking, in particular to a steel scrap dust removal device for steelmaking.
Background
The steelmaking furnace is mainly an electric arc furnace, has the advantages of short flow, high efficiency, environmental protection and the like, and needs to convey the compressed and formed scrap steel stack into the electric arc furnace based on a horizontal feeding device through a pusher in the steelmaking process of the electric arc furnace.
Chinese patent publication No. CN2906510 discloses a horizontal continuous feeding scrap preheating device for electric arc steelmaking furnace, which preheats the scrap to be steelmaking by flue gas, but in actual production, because most scrap to be steelmaking is recycled steel products, and is piled up in compression molding process for a long time, there are certain impurities such as dust and stone in scrap pile, and this part affects the configuration of lime, dolomite, carbon powder, etc. in electric arc furnace steelmaking, and affects steelmaking quality to a certain extent.
Disclosure of Invention
The utility model aims at the problems and provides a steel scrap dust removal device for steelmaking.
The technical scheme who adopts is, a steel-making is with steel scrap dust collector, including the dust removal passageway, dust removal passageway one end and conveyer trough intercommunication, the dust removal passageway other end and buffer tube intercommunication, wherein dust removal passageway top is provided with exhaust structure, and dust removal passageway bottom is connected with air inlet mechanism, and the air current that air inlet mechanism got into dust removal passageway can follow exhaust structure and discharge.
Further, the exhaust structure comprises an exhaust pipe and an exhaust branch pipe, wherein the exhaust pipe is arranged above the dust removal channel, one end of the exhaust branch pipe is communicated with the top of the dust removal channel, and the other end of the exhaust branch pipe is communicated with the exhaust pipe.
Optionally, the exhaust structure includes many exhaust branch pipes, many exhaust branch pipes are the same interval setting, and exhaust branch pipe vertical projection is located exhaust pipe vertical projection below.
Optionally, the air inlet mechanism includes a first air inlet mechanism and a second air inlet mechanism, and the first air inlet mechanism and the second air inlet mechanism are respectively arranged at two sides of the dust removal channel.
Further, the first air inlet mechanism comprises a first air inlet machine, a first air inlet pipe and a first air distribution structure, the first air distribution structure is arranged in the dust removal channel and is positioned at the bottom of the dust removal channel, one end of the first air inlet pipe is connected with the air outlet end of the first air inlet machine, and the other end of the first air inlet pipe is connected with the first air distribution structure;
the second air inlet mechanism comprises a second air inlet machine, a second air inlet pipe and a second air distribution structure, wherein the second air distribution structure is arranged in the dust collection channel and is arranged at the bottom of the dust collection channel opposite to the first air distribution structure, one end of the second air inlet pipe is connected with the air outlet end of the second air inlet machine, and the other end of the second air inlet pipe is connected with the second air distribution structure.
Optionally, the first air distribution structure and the second air distribution structure have the same structure.
Further, the first air distribution structure comprises symmetrically arranged fixing plates, air distribution grooves are formed between the symmetrically arranged fixing plates, air distribution openings are formed in the bottoms of the air distribution grooves, and the air distribution openings are communicated with the first air inlet pipe.
Optionally, a screen is arranged in the air distribution groove.
Further, one end of the fixing plate along the dust removing channel is an inclined plane.
The beneficial effects of the utility model at least comprise one of the following;
1. through the exhaust structure of setting at dust removal passageway top, the air inlet mechanism of dust removal passageway bottom for form an ascending air current in dust removal passageway, because the steel scrap is fashioned steel scrap buttress under the preceding process, have more gaps wherein, can export impurity such as dust through ascending air current and unify recovery processing.
2. Through setting up the first air inlet mechanism that contains first air inlet machine, first air-supply line and first wind distribution structure, contain second air inlet machine, second air-supply line and second wind distribution structure's second air inlet mechanism, carry out the air supply from dust removal passageway bottom both sides for it is more even that the upward air flow distributes in the dust removal passageway.
3. The first air distribution structure and the second air distribution structure with special structures are arranged, so that the air distribution opening can be protected, and the scrap steel pile can be slightly jacked up, so that air flow can more easily pass through the bottom of the scrap steel pile.
Drawings
FIG. 1 is a schematic diagram of a dust collector for steel scrap;
FIG. 2 is a schematic diagram of an end structure of a steel scrap dust collector;
FIG. 3 is a schematic side view of a dust removal channel;
FIG. 4 is a schematic structural view of a first wind distribution structure;
wherein reference numerals 5 are a fixing frame, 10 are conveying grooves, 20 are dust removing channels, 21 are exhaust pipes, 22 are first air inlet fans, 23 are second air inlet fans, 24 are first air inlet pipes, 25 are second air inlet pipes, 26 are reinforcing ribs, 27 are exhaust branch pipes, 28 are first air distribution structures, 29 are second air distribution structures, 30 are fixing plates, 31 are air distribution grooves, 32 are screens, 33 are air distribution openings, and 44 are buffer pipes.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
As shown in fig. 1 to 4, a steel scrap dust removal device for steelmaking comprises a dust removal channel 20, one end of the dust removal channel 20 is communicated with a conveying groove 10, the other end of the dust removal channel 20 is communicated with a buffer tube 44, wherein an exhaust structure is arranged at the top of the dust removal channel 20, an air inlet mechanism is connected to the bottom of the dust removal channel 20, and air flow entering the dust removal channel 20 through the air inlet mechanism can be discharged from the exhaust structure.
The purpose of design like this is through setting up the exhaust structure at dust removal passageway top, the air inlet mechanism of dust removal passageway bottom for form a ascending air current in the dust removal passageway, because the steel scrap is the fashioned steel scrap buttress under the preceding process, have more gaps wherein, can export impurity such as dust through ascending air current and carry out unified recovery processing.
The horizontal feeding device solves the problems that in actual production, most of steel products are recycled as steel scraps in steelmaking are piled up in a compression molding process for a long time, so that certain impurities such as dust, stones and the like exist in a steel scraps stack, and the arrangement of lime, dolomite, carbon powder and the like can be influenced in electric arc furnace steelmaking to a certain extent, so that the steelmaking quality is influenced.
Meanwhile, in this embodiment, the exhaust structure includes exhaust pipe 21 and exhaust branch pipe 27, exhaust pipe 21 locates dust removal passageway 20 top, exhaust branch pipe 27 one end and dust removal passageway 20 top intercommunication, exhaust branch pipe 27 other end and exhaust pipe 21 intercommunication, exhaust structure includes many exhaust branch pipes 27, many exhaust branch pipe 27 the same interval sets up, and the vertical projection of exhaust branch pipe 27 is located exhaust pipe 21 vertical projection below.
It should be noted that, in actual use, in order to secure the overall mechanical strength of the dust removal channel, the reinforcing ribs 26 are provided on the outer periphery of the dust removal channel.
And divide into the multistage with dust removal passageway through strengthening rib 26, every section all sets up exhaust branch pipe and air inlet mechanism, can all form comparatively independent updraft like this at every section, improves whole dust removal efficiency.
Meanwhile, in this embodiment, the air inlet mechanism includes a first air inlet mechanism and a second air inlet mechanism, and the first air inlet mechanism and the second air inlet mechanism are respectively disposed at two sides of the dust collecting channel 20, the first air inlet mechanism includes a first air inlet fan 22, a first air inlet pipe 24 and a first air distribution structure 28, the first air distribution structure 28 is disposed in the dust collecting channel 20 and is located at the bottom of the dust collecting channel 20, one end of the first air inlet pipe 24 is connected with an air outlet end of the first air inlet fan 22, and the other end of the first air inlet pipe 24 is connected with the first air distribution structure 28;
the second air inlet mechanism comprises a second air inlet fan 23, a second air inlet pipe 25 and a second air distribution structure 29, the second air distribution structure 29 is arranged in the dust removal channel 20 and is arranged at the bottom of the dust removal channel 20 opposite to the first air distribution structure 28, one end of the second air inlet pipe 25 is connected with the air outlet end of the second air inlet fan 23, and the other end of the second air inlet pipe 25 is connected with the second air distribution structure 29.
The purpose of design like this is through setting up the first air inlet mechanism that contains first air inlet machine, first air-supply line and first wind distribution structure, contains the second air inlet machine of second air inlet machine, second air-supply line and second wind distribution structure, supplies air from dust removal passageway bottom both sides for it is more even that the upward air flow distributes in the dust removal passageway.
In this embodiment, the first air distribution structure 28 and the second air distribution structure 29 have the same structure, the first air distribution structure 28 includes symmetrically arranged fixing plates 30, and symmetrically arranged air distribution grooves 31 are arranged between the fixing plates 30, air distribution openings 33 are arranged at the bottoms of the air distribution grooves 31, the air distribution openings 33 are communicated with the first air inlet pipe 24, a screen 32 is arranged in the air distribution grooves 31, and one ends of the fixing plates 30 along the dust removal channel 20 are inclined planes.
The purpose of design like this is that setting up first wind distribution structure and the second wind distribution structure of special structure, both can protect the wind gap, can jack up the steel scrap buttress slightly again for the air current is more easy to upwards pass from steel scrap pile bottom.
It is pointed out that in the wind distribution structure, the fixed plate that the symmetry set up is the metal material, and its one end is the inclined plane, and the steel scrap buttress can be along the inclined plane upward movement like this under pushing mechanism's effect, with the slight jack-up of steel scrap buttress, then continue to remove forward, remove to the horizontal segment of fixed plate, the wind gap that sets up can upwards rise the air current, owing to be provided with the screen cloth in the wind distribution groove, can block the debris that can't be influenced by the ascending air current with stone etc. in the steel scrap buttress to avoid the wind gap to block up.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a steelmaking is with steel scrap dust collector, includes dust removal passageway (20), dust removal passageway (20) one end and conveyer trough (10) intercommunication, dust removal passageway (20) other end and buffer tube (44) intercommunication, a serial communication port, dust removal passageway (20) top is provided with exhaust structure, and dust removal passageway (20) bottom is connected with air inlet mechanism, and the air current that air inlet mechanism got into dust removal passageway (20) can follow exhaust structure and discharge.
2. The steel scrap dust removal device for steelmaking as claimed in claim 1, wherein the exhaust structure comprises an exhaust pipe (21) and an exhaust branch pipe (27), the exhaust pipe (21) is arranged above the dust removal channel (20), one end of the exhaust branch pipe (27) is communicated with the top of the dust removal channel (20), and the other end of the exhaust branch pipe (27) is communicated with the exhaust pipe (21).
3. The steel scrap dust removal device for steelmaking as set forth in claim 2, wherein the exhaust structure includes a plurality of exhaust branch pipes (27), the exhaust branch pipes (27) are arranged at the same interval, and the vertical projection of the exhaust branch pipes (27) is located below the vertical projection of the exhaust pipe (21).
4. The steel scrap dust removal device for steelmaking as set forth in claim 1, wherein said air intake mechanism includes a first air intake mechanism and a second air intake mechanism, and the first air intake mechanism and the second air intake mechanism are provided on both sides of the dust removal passage (20), respectively.
5. The steel-making scrap dust removal device according to claim 4, wherein the first air inlet mechanism comprises a first air inlet machine (22), a first air inlet pipe (24) and a first air distribution structure (28), the first air distribution structure (28) is arranged in the dust removal channel (20) and is positioned at the bottom of the dust removal channel (20), one end of the first air inlet pipe (24) is connected with an air outlet end of the first air inlet machine (22), and the other end of the first air inlet pipe (24) is connected with the first air distribution structure (28);
the second air inlet mechanism comprises a second air inlet machine (23), a second air inlet pipe (25) and a second air distribution structure (29), wherein the second air distribution structure (29) is arranged in the dust collection channel (20) and is oppositely arranged at the bottom of the dust collection channel (20) with the first air distribution structure (28), one end of the second air inlet pipe (25) is connected with the air outlet end of the second air inlet machine (23), and the other end of the second air inlet pipe (25) is connected with the second air distribution structure (29).
6. The steel scrap dust removing apparatus in accordance with claim 5, wherein the first wind distributing structure (28) has the same structure as the second wind distributing structure (29).
7. The steel scrap dust removal device for steelmaking as set forth in claim 6, wherein said first air distribution structure (28) includes symmetrically disposed fixing plates (30), and air distribution grooves (31) are formed between said symmetrically disposed fixing plates (30), air distribution openings (33) are formed in bottoms of said air distribution grooves (31), and said air distribution openings (33) are communicated with said first air inlet duct (24).
8. The steel scrap dust removal apparatus in accordance with claim 7, wherein a screen (32) is provided in the air distribution groove (31).
9. The steel scrap dust removing apparatus in accordance with claim 7, wherein one end of the fixing plate (30) is inclined along the dust removing passage (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321953678.2U CN220520539U (en) | 2023-07-24 | 2023-07-24 | Scrap steel dust collector for steelmaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321953678.2U CN220520539U (en) | 2023-07-24 | 2023-07-24 | Scrap steel dust collector for steelmaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220520539U true CN220520539U (en) | 2024-02-23 |
Family
ID=89935163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321953678.2U Active CN220520539U (en) | 2023-07-24 | 2023-07-24 | Scrap steel dust collector for steelmaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220520539U (en) |
-
2023
- 2023-07-24 CN CN202321953678.2U patent/CN220520539U/en active Active
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