CN209655833U - A kind of telescopic arc furnace dust hood - Google Patents
A kind of telescopic arc furnace dust hood Download PDFInfo
- Publication number
- CN209655833U CN209655833U CN201920355224.2U CN201920355224U CN209655833U CN 209655833 U CN209655833 U CN 209655833U CN 201920355224 U CN201920355224 U CN 201920355224U CN 209655833 U CN209655833 U CN 209655833U
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- electric arc
- track
- cover
- hood
- movable guard
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Abstract
The utility model relates to a kind of telescopic arc furnace dust hoods, belong to metallurgy industry Dedusting of EAF equipment technical field.Technical solution is: including fixed cover (1), movable guard, plugging hood (4), track (5), track girder (7), electric arc furnaces workbench (8), rail wheel (9) and cleaning shaft (14), track girder (7) is fixed on electric arc furnaces workbench (8), track girder (7) is equipped with track (5), fixed cover (1) is fixed on electric arc furnaces workbench (8), fixed cover (1) is equipped with cleaning shaft (14), the rail wheel (9) matched with track (5) is respectively equipped on movable guard and plugging hood (4), plugging hood (4), Multi-section active cover and fixed cover (1) mutually connect together the housing that composition is matched with electric arc furnaces.The beneficial effects of the utility model are: facilitate electric arc furnaces changes furnace handling and maintenance, and good dedusting effect using telescopic dust excluding hood, environmental requirement can satisfy.
Description
Technical field
The utility model relates to a kind of telescopic arc furnace dust hoods, belong to metallurgy industry Dedusting of EAF equipment and technology neck
Domain.
Background technique
Short flow-process electric arc furnace steel-making enterprise is fitted with dust pelletizing system at present, and wherein arc furnace dust hood covers on electricity for one
Whole housing on arc furnace, this entirety housing have the following problems:
(1) this whole housing is limited by workshop space, and farther out apart from electric arc kiln gas point, dust removing effects are poor, and flue dust is dirty
Dye is big, is not able to satisfy environmental protection administration's requirement；
(2) since workshop space is limited, entire furnace equipment is not only high but also big, furnace equipment have a lot of operating conditions be it is movable,
There are also alloy charging equipments to be at around electric arc furnaces, and therefore, it is difficult that this entirety housing installs；
(3) when electric arc furnaces changes furnace, it is necessary to integrally hang away electric arc furnaces, electric arc furnaces upper space must have two 100 tons of days
Vehicle work compound could be completed, and piece cover clamshell directly affects the handling of electric arc furnaces on electric arc furnaces；
It (4) is to guarantee that housing covers entire electric arc furnaces, it is necessary to have sufficiently large cover, and can move, but due to by vehicle
Between space and plant building column spacing restriction, dust excluding hood can not be accomplished it is sufficiently large, therefore, install additional top charging
When, this entirety housing can seriously affect the opening of bell.
Utility model content
The utility model aim is to provide a kind of telescopic arc furnace dust hood and facilitates electric arc using telescopic dust excluding hood
Furnace changes furnace handling and maintenance, and good dedusting effect, can satisfy environmental requirement, solves the problems, such as background technique.
The technical solution of the utility model is:
A kind of telescopic arc furnace dust hood includes fixed cover, movable guard, plugging hood, track, track girder, electric arc furnaceman
Make platform, rail wheel and cleaning shaft, track girder is fixed on electric arc furnaces workbench, and track girder is equipped with track, fixed cover
It is fixed on electric arc furnaces workbench, fixed cover is equipped with cleaning shaft, is respectively equipped with and track phase on movable guard and plugging hood
The rail wheel of cooperation, plugging hood, Multi-section active cover and the fixed housing for covering the composition that mutually connects together and being matched with electric arc furnaces.
The longitudinal section of the fixed cover, movable guard and plugging hood is the U-shaped structure that Open Side Down, fixed cover and plugging hood
Side be enclosed construction, the other side of fixed cover and plugging hood is hatch frame, and the both ends of movable guard are respectively and fixed cover
The hatch frame matched with plugging hood.
Sealing is equipped between the fixed cover and movable guard, between Multi-section active cover and between movable guard and plugging hood
Plate and sealing joint strip.
The cleaning shaft is connected to the top of fixed cover, is equipped with air-valve in cleaning shaft.
The rail wheel is separately fixed at the lower section of movable guard and plugging hood, and rail wheel is connect with track actuation.
The track actuation includes rail wheel driving motor and wheel shaft, and driving motor and wheel shaft are drivingly connected, rail
Road wheel is arranged on wheel shaft.
Application method, steps are as follows:
(1) dust excluding hood operating mode under the normal production status of electric arc furnaces
Plugging hood and movable guard are moved along track to fixed cover side, until plugging hood, movable guard and fixed cover
Between dock complete, formed housing；Electric arc furnaces whole quilt cover clamshell is lived at this time, and electric arc furnaces slags tap, taps, fascinating, rise fall of electrodes institute
There is movement to complete in housing, flue dust when including tapping, slagging tap also all is collected by dust pelletizing system, so that scene be avoided to go out
Existing flue dust；
(2) electric arc furnaces changes the operating mode of dust excluding hood under furnace or inspecting state
When changing furnace or maintenance, movable guard is moved along track to fixed cover side, and plugging hood is to far from movable guard side
It is moved to terminal limit, movable guard is retracted to outside fixed cover, and electric arc furnaces upper space is opened, so that meeting electric arc furnaces changes furnace or inspection
Repair the requirement in space；
(3) operating mode of dust excluding hood after electric arc furnaces changes furnace or overhauls
After electric arc furnaces changes furnace or service work, movable guard is moved along track to far from fixed cover side, plugging hood
Then to close to the movement of movable guard side, until docking completion between plugging hood, movable guard and fixed cover, electric arc furnaces is all by housing
It covers.
Using the utility model, when changing furnace or maintenance, plugging hood is to far from the movement of electric arc furnaces direction, and movable guard is along rail
Road overlaps until movable guard with fixed cover to fixed cover side is mobile, electric arc furnaces is exposed, electric arc furnaces enters inspection at this time
Repair or replace the states such as electrode；After electric arc furnaces changes furnace or maintenance, plugging hood and movable guard are along track into electric arc furnaces
Heart direction is mobile, until plugging hood and movable guard are docking together, one complete housing of formation, by electric arc furnaces and electrode hood
Firmly, electric arc furnaces enters normal production status at this time.
The beneficial effects of the utility model are: using telescopic dust excluding hood, facilitate electric arc furnaces changes furnace handling and maintenance, and
And good dedusting effect, it can satisfy environmental requirement.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model changes furnace or inspecting state schematic diagram；
Fig. 3 is the utility model side view；
Fig. 4 is the utility model first segment cover side view；
Fig. 5 is the second section of the utility model movable guard side view；
Fig. 6 is the utility model third section movable guard side view；
Fig. 7 is Section of four cover side view of the utility model；
Fig. 8 is the utility model track actuation schematic diagram；
In figure: fixed cover the 1, second section movable guard 2, third section movable guard 3, plugging hood 4, track 5, track actuation
6, track girder 7, electric arc furnaces workbench 8, rail wheel 9, track girder column 10, lower plugging plate 11, side seal closure plate 12, air-valve 13,
Cleaning shaft 14, electric arc furnaces 15, electrode clamp arm 16, air-valve motor 17, the second section sealing plate 19, the second section sealing strip 20, third
Save sealing plate 21,22, the 4th sections of sealing plates 23 of third section sealing strip, rail wheel driving motor 24, end carriage 25, wheel shaft 26, output
Gear 27, driving gear 28, wheel shaft platen 29, end carriage steel plate 30.
Specific embodiment
Below in conjunction with attached drawing, by example, the utility model is described in further detail.
Referring to attached drawing 1-8, a kind of telescopic arc furnace dust hood, comprising fixed cover 1, movable guard, plugging hood 4, track 5,
Track girder 7, electric arc furnaces workbench 8, rail wheel 9 and cleaning shaft 14, track girder 7 are fixed on electric arc furnaces workbench 8, rail
Road beam 7 is equipped with track 5, and fixed cover 1 is fixed on electric arc furnaces workbench 8, and fixed cover 1 is equipped with cleaning shaft 14, activity
The rail wheel 9 matched with track 5, plugging hood 4, Multi-section active cover and the mutually set of fixed cover 1 are respectively equipped on cover and plugging hood 4
The housing that the composition that is connected together is matched with electric arc furnaces.
Specific embodiment:
In the present embodiment, referring to attached drawing 1,2,3, the housing of the telescopic arc furnace dust hood totally four section cover, first segment
Cover is fixed cover 1, and the second section cover and three-section cover are movable guard, and Section of four cover is plugging hood 4.
Referring to attached drawing 4, first segment cover is fixed cover 1, and longitudinal section is U-shaped for what Open Side Down, and wherein side uses iron plate
It blocks, cleaning shaft 14 is installed in top side, air-valve 13 is installed in cleaning shaft 14, for adjusting the air quantity of cleaning shaft；
Referring to attached drawing 5, the second section cover is movable guard, and longitudinal section is U-shaped for what Open Side Down, and two sides do not have sealing plate, similar
The channel of one inverted U, contour dimension cover 1 more fixed than first segment is big, can be socketed on fixed cover 1.To ensure first segment
Cover the seal request between the second section movable guard 2, pass through the second section sealing plate 19 for being fixed on the second section movable guard 2 and the
Two section sealing strips 20, it is ensured that neutral gear between two sections is close not to leak out；
Referring to attached drawing 6, three-section cover is also movable guard, identical as 2 structure of the second section movable guard, but its contour dimension is than the
Two section movable guards 2 are big, can be socketed on the second section movable guard 2.To ensure between third section movable guard and the second section movable guard
Seal request, pass through the third section sealing plate 21 and third section sealing strip 22 being fixed on third section movable guard 3, it is ensured that two sections
Between neutral gear close do not leak out；
Referring to attached drawing 7, Section of four cover is plugging hood 4, and longitudinal section is U-shaped for what Open Side Down, and wherein side uses iron plate
It blocks, the other side is hatch frame, and contour dimension can be docked on third section movable guard 3 as third section movable guard.
To ensure the seal request between Section of four plugging hood 4 and third section movable guard, by be fixed on Section of four plugging hood 4 the
Four section sealing plates 23 and sealing rubber strip, it is ensured that neutral gear between two sections is close not to leak out；
Referring to attached drawing 1-7, the lower section of the second section movable guard 2, third section movable guard 3 and Section of four plugging hood 4 is mounted on
Rail wheel 9, each rail wheel 9 are equipped with track actuation 6.
Referring to attached drawing 8, track actuation 6 includes rail wheel driving motor 24, wheel shaft 26, output gear 27, driving
Gear 28 and wheel shaft platen 29, driving motor 24 are sequentially connected by output gear 27 and driving gear 28 and wheel shaft 26, track
Wheel 9 is fixed on wheel shaft 26 by wheel shaft platen 29.
Referring to attached drawing 1-3, track girder 7 is fixed on electric arc furnaces workbench 8, and track girder 7 is equipped with track 5, first segment
Fixed cover 1 is fixed on electric arc furnaces workbench 8, and first segment, which is fixed, covers 1 right side for being located at electric arc furnaces 15, the second section movable guard 2,
Third section movable guard 3 and Section of four plugging hood 4 are arranged on the rail 5 by rail wheel 9 respectively, third section movable guard 3, the second section
Movable guard 2 and the fixed cover 1 of first segment mutually connect together and dock what composition was matched with electric arc furnaces 15 with Section of four plugging hood 4
Housing.
Rail wheel driving motor 24 provides power, and Section of four plugging hood 4, third section movable guard 3, the second section can be driven living
Left and right moves back and forth dynamic cover 2 on the rail 5, to realize the flexible of arc furnace dust hood.
Dust excluding hood is described in detail below with reference to electric arc furnaces applying working condition:
(1) electric arc furnaces changes the operating mode of dust excluding hood under furnace or inspecting state
Referring to attached drawing 2, when changing furnace or maintenance, third section movable guard 3 and the second section movable guard 2 are along track 5 to fixation
It is mobile to cover 1 side, Section of four plugging hood 4 is moved to terminal limit to far from center of arc furnace side, third section movable guard 3 and the
Two section movable guards 2 are retracted to the length of a section with the fixed cover 1 of first segment, keep housing space length most short, electric arc furnaces upper space
It opens, to meet the requirement that electric arc furnaces changes furnace or space for maintenance.
(2) the normal production status dust excluding hood operating mode of electric arc furnaces
Referring to attached drawing 1, electric arc furnaces maintenance plus top charging change furnace after hours, and third section movable guard 3 and the second section are living
Dynamic cover 2 is moved along track 5 to far from 1 side of the fixed cover of first segment, and extension elongation is exactly the length of three-section cover, and Section four
Plugging hood 4 is then mobile to third section movable guard direction, docks until with third section movable guard, electric arc furnaces 15 and alloy add at this time
Material, auxiliary material attaching system whole quilt cover clamshell are lived, and electric arc furnaces slags tap, taps, fascinating, rise fall of electrodes everything is in dust excluding hood
It is completed in shell, flue dust when including tapping, slagging tap also all is collected by dust pelletizing system, so that avoiding scene from seeing flue dust occurs.
Claims (6)
1. a kind of telescopic arc furnace dust hood, it is characterised in that: include fixed cover (1), movable guard, plugging hood (4), track
(5), track girder (7), electric arc furnaces workbench (8), rail wheel (9) and cleaning shaft (14), track girder (7) are fixed on electric arc furnaces
On workbench (8), track girder (7) is equipped with track (5), and fixed cover (1) is fixed on electric arc furnaces workbench (8), fixed
It covers (1) and is equipped with cleaning shaft (14), be respectively equipped with the rail wheel matched with track (5) on movable guard and plugging hood (4)
(9), plugging hood (4), Multi-section active cover and fixed cover (1) mutually connect together the housing that composition is matched with electric arc furnaces.
2. a kind of telescopic arc furnace dust hood according to claim 1, it is characterised in that: the fixed cover (1), activity
The longitudinal section of cover and plugging hood (4) is the U-shaped structure that Open Side Down, and fixed (1) and the side of plugging hood (4) of covering is closing knot
The other side of structure, fixed cover (1) and plugging hood (4) is hatch frame, and the both ends of movable guard are respectively and fix cover (1) and block
The hatch frame that cover (4) matches.
3. a kind of telescopic arc furnace dust hood according to claim 1 or 2, it is characterised in that: the fixed cover (1) and
Sealing plate and sealing joint strip are equipped between movable guard, between Multi-section active cover and between movable guard and plugging hood (4).
4. a kind of telescopic arc furnace dust hood according to claim 1, it is characterised in that: the cleaning shaft (14) is even
It connects and is equipped with air-valve (13) in the top of fixed cover (1), cleaning shaft (14).
5. a kind of telescopic arc furnace dust hood according to claim 1, it is characterised in that: the rail wheel (9) is respectively
It is fixed on the lower section of movable guard and plugging hood (4), rail wheel (9) is connect with track actuation.
6. a kind of telescopic arc furnace dust hood according to claim 5, it is characterised in that: the track actuation
Comprising rail wheel driving motor (24) and wheel shaft (25), driving motor (24) and wheel shaft (25) are drivingly connected, rail wheel (9) setting
On wheel shaft (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355224.2U CN209655833U (en) | 2019-03-20 | 2019-03-20 | A kind of telescopic arc furnace dust hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355224.2U CN209655833U (en) | 2019-03-20 | 2019-03-20 | A kind of telescopic arc furnace dust hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209655833U true CN209655833U (en) | 2019-11-19 |
Family
ID=68527629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920355224.2U Active CN209655833U (en) | 2019-03-20 | 2019-03-20 | A kind of telescopic arc furnace dust hood |
Country Status (1)
| Country | Link |
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| CN (1) | CN209655833U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798780A (en) * | 2019-03-20 | 2019-05-24 | 唐山正丰钢铁有限公司 | A kind of telescopic arc furnace dust hood and its application method |
| CN114410869A (en) * | 2022-01-24 | 2022-04-29 | 中冶建筑研究总院有限公司 | Heat-resistant movable blast furnace taphole dust removal device and method |
-
2019
- 2019-03-20 CN CN201920355224.2U patent/CN209655833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798780A (en) * | 2019-03-20 | 2019-05-24 | 唐山正丰钢铁有限公司 | A kind of telescopic arc furnace dust hood and its application method |
| CN114410869A (en) * | 2022-01-24 | 2022-04-29 | 中冶建筑研究总院有限公司 | Heat-resistant movable blast furnace taphole dust removal device and method |
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