CN220793912U - Full-closed double-suction-port trapping cover device of electric furnace - Google Patents
Full-closed double-suction-port trapping cover device of electric furnace Download PDFInfo
- Publication number
- CN220793912U CN220793912U CN202322444256.9U CN202322444256U CN220793912U CN 220793912 U CN220793912 U CN 220793912U CN 202322444256 U CN202322444256 U CN 202322444256U CN 220793912 U CN220793912 U CN 220793912U
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- Prior art keywords
- cover body
- cover
- electric furnace
- suction
- convex edge
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- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 abstract description 22
- 238000010079 rubber tapping Methods 0.000 abstract description 7
- 238000007600 charging Methods 0.000 abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a totally-enclosed double-suction-port trapping cover device of an electric furnace, which comprises: the electric furnace comprises a first cover body, a second cover body and a first air draft structure and a second air draft structure, wherein the first cover body and the second cover body can be matched with each other correspondingly, the first air draft structure and the second air draft structure are respectively arranged on the first cover body and the second cover body and used for exhausting air, a fixed structure is arranged at the butt joint end of the first cover body and the second cover body and used for controlling the switch of the first cover body and the second cover body, and the first air draft structure moves at the upper end inside the first cover body through a moving structure and corresponds to the electric furnace. The fully-closed double-suction-port trapping cover device for the electric furnace moves the position of the first air suction structure according to actual conditions, so that the first air suction cover is always aligned with the furnace port of the electric furnace, normal trapping of smoke is ensured, the condition that smoke cannot be trapped is avoided, and the leakage phenomenon of the smoke is prevented when charging, tapping or maintaining is performed.
Description
Technical Field
The utility model belongs to the technical field of electric furnace flue gas trapping hoods, and particularly relates to a fully-closed double-suction-port trapping hood device for an electric furnace.
Background
In the smelting process of the electric furnace, furnace charge is heated instantly under the action of electric arc to be melted, and evaporated iron atoms, carbon in waste iron and steel and oxygen in the atmosphere form a certain amount of iron oxide and carbon dioxide, and under the action of hot pressing, dust overflows from a gap between an electrode and a furnace cover, a gap between the furnace cover and a furnace body and the like. If effective control measures are not adopted for the smoke dust of the arc furnace, the smoke dust seriously pollutes the environment of workshops and factories, and influences the health of workers and surrounding residents
The dust removing system of the electric furnace in the metallurgical industry generally adopts a smoke dust collecting mode of a semi-closed cover, a movable cover and a roof cover to achieve the purpose of smoke prevention and dust control. The traditional method is characterized in that a movable cover is opened in the charging and tapping process, the collection of smoke is mainly completed by a semi-closed cover and a roof cover, and as the semi-closed cover and the roof cover are far away from a smoke starting point, a large part of smoke overflows and rises during the opening of the movable cover, the collection is completed by the roof cover, and the smoke is scattered due to the influence of natural wind in a smelting workshop in the rising process, and cannot be collected comprehensively around the roof cover, so that environmental pollution is caused.
The existing semi-closed cover and the existing closed cover have good trapping effect, but secondary smoke in working conditions such as charging, tapping, maintenance and the like cannot be trapped, so that a great amount of smoke is leaked along the old process, and the butt joint of the two trapping covers is poor in sealing effect, so that leakage is easy to occur.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and aims to provide a full-closed double-suction-port trapping cover device for an electric furnace, so as to solve the problems that secondary flue gas in working conditions such as loading and tapping of a semi-closed cover and a closed cover at present cannot be trapped during maintenance, so that a large amount of flue gas leaks along the old, and the sealing effect of the butt joint of the two trapping covers is poor, so that leakage is easy to cause.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a totally enclosed double suction mouth trapping cover device for an electric furnace, comprising: the electric furnace comprises a first cover body, a second cover body, a first air draft structure and a second air draft structure, wherein the first cover body and the second cover body can be correspondingly matched with each other, the first air draft structure and the second air draft structure are respectively arranged on the first cover body and the second cover body and used for exhausting air, a fixed structure is arranged at the butt joint end of the first cover body and the second cover body and used for controlling a switch of the first cover body and the second cover body, and the first air draft structure moves at the upper end inside the first cover body through a moving structure and corresponds to the electric furnace;
the lower part both ends of the first cover body and the second cover body are matched with the slide rail through pulleys.
Further, the first air extraction structure includes: the first exhaust pipe is inlaid at the upper end of the first cover body, and the first exhaust cover is connected with the lower end of the first exhaust pipe through the telescopic pipe, and one side of the first exhaust cover is connected with the moving structure.
Further, the moving structure includes: two fixed plates fixed at the upper end inside the first cover body, and be equipped with corresponding screw rod and slide bar between the fixed plates, the other end of screw rod is connected with the output of motor, inlay on screw rod and the slide bar and have the slide plate, and slide plate one end is connected with first exhaust hood through the connecting plate.
Further, the motor is fixedly connected with the first cover body, the screw rod is parallel to the sliding rod, and the sliding plate is provided with a threaded hole and a sliding hole which are matched with the screw rod and the sliding rod.
Further, the second air extraction structure includes: the second exhaust pipe is inlaid at the upper end of the second cover body, and the second exhaust cover is connected with the lower end of the second exhaust pipe.
Further, the upper ends of the first air draft structure and the second air draft structure are respectively connected with the fan.
Further, the corresponding mask body of the first mask body and the second mask body is provided with a first convex edge and a second convex edge which extend downwards, the first convex edge and the second convex edge are corresponding, and the fixing structure is matched with the first convex edge and the second convex edge to be used for switching on and switching off the first mask body and the second mask body.
Further, the fixing structure includes: the telescopic device comprises a telescopic rod connected with a first cover body and a jacket hinged with the first cover body, wherein a groove is formed in the middle of the jacket and used for matching with the first convex edge and the second convex edge, a first supporting point of the jacket is hinged with the first cover body, and a second supporting point of the jacket is hinged with the output end of the telescopic rod.
Further, a sealing gasket is arranged on the inner surface of the groove in the middle of the jacket.
The beneficial effects are that: compared with the prior art, the application has the following advantages:
1. the first exhaust structure of the first cover body of the electric furnace full-closed double-suction-port trapping cover device can move, when a user needs to open the first cover body and the second cover body and needs to enter charging and tapping or maintenance, the first cover body and the second cover body move, the original exhaust structure is displaced, a worker can start a motor, the motor drives a screw rod to rotate, the screw rod drives a sliding plate to move, the sliding plate drives the first exhaust cover to move, the worker can move the position of the first exhaust cover according to actual conditions, the first exhaust cover is always aligned with the furnace mouth of the electric furnace, normal trapping of smoke is guaranteed, and leakage of smoke is avoided when charging, tapping or maintenance is prevented.
2. This totally closed double suction mouth entrapment cover device of electric stove's first cover body and second cover body switch through fixed knot constructs, when needs are closed, make first cover body and second cover body correspond, and first chimb and second chimb correspond, then start fixed knot constructs's telescopic link, telescopic link drives and presss from both sides the cover rotation and block first chimb and second chimb, improves the connection stability of first cover body and second cover body greatly, and the leakproofness of connecting between the first cover body and the second cover body can be improved greatly to the sealed pad in pressing from both sides the cover in addition, and overall structure is simple simultaneously, and convenient and fast more is got up in operation.
Drawings
FIG. 1 is a schematic diagram of a fully-closed double-suction-port trapping cover device of an electric furnace;
FIG. 2 is a schematic view of a first housing structure;
FIG. 3 is a schematic view of a second housing structure;
FIG. 4 is a schematic diagram of a mobile structure;
FIG. 5 is a schematic view of a fixed structure;
reference numerals: 1. a first cover; 11. a first flange; 2. a second cover; 21. a second convex edge; 3. a first air extraction structure; 31. a first exhaust tube; 32. a telescopic tube; 33. a first exhaust hood; 4. a second air extraction structure; 41. the second exhaust tube; 42. a second exhaust hood; 5. a pulley; 6. a slide rail; 7. a moving structure; 71. a fixing plate; 72. a screw; 73. a slide bar; 74. a motor; 75. a sliding plate; 76. a connecting plate; 8. a fixed structure; 81. a telescopic rod; 82. a jacket; 821. a first fulcrum; 822. a second fulcrum; 83. and a sealing gasket.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4 and 5, a totally enclosed double suction mouth trapping cover device for an electric furnace comprises: can correspond complex first cover body 1 and second cover body 2 each other, first cover body 1 and second cover body 2 can mutually support together and carry out the entrapment to the flue gas of electric stove, also can separate, staff gets into and feeds in raw materials to overhaul, and establish respectively on first cover body 1 and second cover body 2 be used for the first exhaust structure 3 and the second exhaust structure 4 of bleeding, the butt joint end of first cover body 1 and second cover body 2 is equipped with fixed knot construct 8 and is used for controlling the switch of first cover body 1 and second cover body 2, fixed knot construct 8 can block first chimb 11 and the second chimb 22 of first cover body 1 and second cover body 2, improve the connection stability of first cover body 1 and second cover body 2 greatly, the sealing washer 83 of fixed knot construct 8 can improve the leakproofness of being connected between first cover body 1 and the second cover body 2 greatly, the whole structure is simple simultaneously, it is more convenient and fast to operate, first exhaust structure 3 moves at the inside upper end of first cover body 1 through moving structure 7 and corresponding electric stove cover, can not make the first exhaust structure 33 take place when the actual exhaust position can not leak the circumstances of the electric stove, can not guarantee that the flue gas can's is leaked, the condition is guaranteed to the first exhaust 33 takes place, the circumstances of can's of filling up the electric stove is guaranteed.
Both ends of the lower parts of the first cover body 1 and the second cover body 2 are matched with the slide rail 6 through the pulleys 5. The first cover body 1 and the second cover body 2 are L-shaped, one side of the first cover body and the wall face are matched and slide, the other side of the first cover body and the second cover body are matched and slide with the ground, a driving motor is arranged on the pulley 5, the first cover body 1 and the second cover body 2 can be automatically slid, opened and closed, convenience and quickness are achieved, and labor intensity of workers is reduced.
As shown in fig. 2, the first air extraction structure 3 includes: the first exhaust tube 31 inlaid at the upper end of the first cover body 1, the first exhaust tube 31 and the first cover body 1 are fixedly connected, the stability of the first exhaust tube 31 is guaranteed, the first exhaust cover 33 connected with the lower end of the first exhaust tube 31 through the telescopic tube 32, the telescopic tube 32 is a metal telescopic tube, the telescopic tube similar to an aluminum paper telescopic tube of a range hood can be lengthened and shortened, smooth movement of the first exhaust cover 33 is guaranteed, one side of the first exhaust cover 33 is connected with the moving structure 7, the moving structure 7 can move with the first exhaust cover 33, the first exhaust cover 33 is always aligned with a furnace mouth of an electric furnace, and normal trapping of smoke is guaranteed.
As shown in fig. 2 and 4, the moving structure 7 includes: the two fixed plates 71 fixed at the upper end inside the first cover body 1, and be equipped with corresponding screw rod 72 and slide bar 73 between the fixed plates 71, screw rod 72 and slide bar 73 length are unanimous, screw rod 72 passes through the bearing to be fixed on the fixed plate 71, screw rod 72 can normally rotate, slide bar 73 is fixed on the fixed plate 71, the cooperation of screw rod 72 and slide bar 73 can guarantee the normal movement of slide bar 75, the other end of screw rod 72 is connected with the output of motor 74, the motor drives screw rod 72 and rotates, inlay on screw rod 72 and the slide bar 73 has slide bar 75, and slide bar 75 one end is connected with first exhaust hood 33 through connecting plate 76, motor 74 starts to drive screw rod 72 rotation, screw rod 72 corotation and reversal drive slide bar 75 left and right movement, thereby drive second exhaust hood 33 can aim at the stove mouth of electric stove all the time, guarantee the normal entrapment to the flue gas.
The motor 74 is fixedly connected with the first cover body 1, stability of the motor 74 is guaranteed, the screw rod 72 is parallel to the sliding rod 73, threaded holes and sliding holes are formed in the sliding plate 75 and matched with the screw rod 72 and the sliding rod 73, and the screw rod 72 can drive the sliding plate 75 to move but not rotate.
As shown in fig. 3, the second suction structure 4 includes: the second exhaust pipe 41 inlaid at the upper end of the second cover body 2 and the second exhaust cover 42 connected with the lower end of the second exhaust pipe 41 can normally trap smoke.
The upper ends of the first air draft structure 3 and the second air draft structure 4 are respectively connected with a fan, and the fan can smoothly convey the smoke trapped by the first air draft structure 3 and the second air draft structure 4 to the smoke purifying equipment through a pipeline.
The corresponding mask body of the first mask body 1 and the second mask body 2 is provided with a first convex edge 11 and a second convex edge 21 which extend downwards, the first convex edge 11 corresponds to the second convex edge 21, after the first mask body 1 and the second mask body 2 are closed and abutted, the first convex edge 11 corresponds to the second convex edge 21, the fixing structure 8 is matched with the first convex edge 11 and the second convex edge 21 to be used for switching the first mask body 1 and the second mask body 2, and the first convex edge 11 and the second convex edge 21 can be clamped by the starting fixing structure 8, so that the first mask body 1 and the second mask body 2 are fixed, the stability of the first mask body 1 and the second mask body 2 is guaranteed, and a certain sealing effect is achieved.
As shown in fig. 5, the fixing structure 8 includes: the telescopic rod 81 connected with the first cover body 1 and the jacket 82 hinged with the first cover body 1, a groove is formed in the middle of the jacket 82 and used for being matched with the first convex edge 11 and the second convex edge 21, a first supporting point 821 of the jacket 82 is hinged with the first cover body 1, a second supporting point 822 of the jacket 82 is hinged with the output end of the telescopic rod 81, the telescopic rod 81 is started, the telescopic rod 81 acts on the second supporting point 822 of the jacket 82, and the jacket 82 rotates by taking the first supporting point 821 as a circle center, so that the jacket 82 clamps the first convex edge 11 and the second convex edge 21 to be fixed.
The inner surface of the groove in the middle of the jacket 82 is provided with a sealing gasket 83, the sealing gasket 83 not only can provide a certain elastic space to ensure that the jacket 82 can smoothly clamp the first convex edge 11 and the second convex edge 21, but also can play a certain role in sealing and prevent gas leakage.
When the first cover body 1 and the second cover body 2 are required to be separated, the telescopic rod 81 is started, the telescopic rod 81 acts on the second pivot 822 of the jacket 82, the jacket 82 rotates back by taking the first pivot 821 as a circle center, the jacket 82 loosens the first convex edge 11 and the second convex edge 21, then the second cover body 2 and the first cover body 1 are opened by sliding of the pulley 5, a worker can start the motor 74 to drive the screw 72 to rotate, the screw 72 rotates positively and reversely drives the sliding plate 75 to move left and right, so that the second exhaust cover 33 is driven to always align with the furnace mouth of the electric furnace, normal collection of smoke is ensured, the condition that the smoke cannot be collected cannot occur, and the leakage phenomenon of the smoke is prevented when charging, tapping or maintaining is performed.
The utility model provides a thought and an implementation method of a fully-closed double-suction-port trapping cover device of an electric furnace, and the specific application ways are a plurality of preferred embodiments of the utility model, and it should be pointed out that a plurality of improvements can be made by those skilled in the art without departing from the principle of the utility model, and the improvements are also considered as the protection scope of the utility model.
Claims (9)
1. The utility model provides a totally closed double suction mouth entrapment cover device of electric stove which characterized in that includes: the electric furnace comprises a first cover body (1) and a second cover body (2) which can be matched with each other correspondingly, and a first air draft structure (3) and a second air draft structure (4) which are respectively arranged on the first cover body (1) and the second cover body (2) and used for exhausting air, wherein a fixing structure (8) is arranged at the butt joint end of the first cover body (1) and the second cover body (2) and used for controlling the switch of the first cover body (1) and the second cover body (2), and the first air draft structure (3) moves at the upper end inside the first cover body (1) through a moving structure (7) and corresponds to the electric furnace;
both ends of the lower parts of the first cover body (1) and the second cover body (2) are matched with the sliding rail (6) through pulleys (5).
2. The electric furnace fully-closed double-suction-port trapping cover device according to claim 1, wherein: the first air extraction structure (3) comprises: the first exhaust pipe (31) embedded at the upper end of the first cover body (1) and the first exhaust cover (33) connected with the lower end of the first exhaust pipe (31) through the telescopic pipe (32), wherein one side of the first exhaust cover (33) is connected with the moving structure (7).
3. The electric furnace totally-enclosed double-suction-port trapping cover device according to claim 2, wherein: the moving structure (7) comprises: two fixed plates (71) fixed at the inside upper end of first cover body (1), and be equipped with corresponding screw rod (72) and slide bar (73) between fixed plate (71), the other end of screw rod (72) is connected with the output of motor (74), inlay on screw rod (72) and slide bar (73) and have slide plate (75), and slide plate (75) one end is connected with first exhaust hood (33) through connecting plate (76).
4. The electric furnace totally-enclosed double-suction-port trapping cover device according to claim 3, wherein: the motor (74) is fixedly connected with the first cover body (1), the screw rod (72) is parallel to the sliding rod (73), and the sliding plate (75) is provided with threaded holes and sliding holes which are matched with the screw rod (72) and the sliding rod (73).
5. The electric furnace fully-closed double-suction-port trapping cover device according to claim 1, wherein: the second air extraction structure (4) comprises: the second exhaust pipe (41) is inlaid at the upper end of the second cover body (2), and the second exhaust cover (42) is connected with the lower end of the second exhaust pipe (41).
6. The electric furnace fully-closed double-suction-port trapping cover device according to claim 1, wherein: the upper ends of the first air draft structure (3) and the second air draft structure (4) are respectively connected with a fan.
7. The electric furnace fully-closed double-suction-port trapping cover device according to claim 1, wherein: the corresponding mask body of the first mask body (1) and the second mask body (2) is provided with a first convex edge (11) and a second convex edge (21) which extend downwards, the first convex edge (11) and the second convex edge (21) are corresponding, and the fixing structure (8) is matched with the first convex edge (11) and the second convex edge (21) to be used for opening and closing the first mask body (1) and the second mask body (2).
8. The electric stove fully-enclosed double-suction mouth trapping cover device according to claim 7, wherein: the fixing structure (8) comprises: the telescopic device comprises a telescopic rod (81) connected with a first cover body (1) and a jacket (82) hinged with the first cover body (1), wherein a groove is formed in the middle of the jacket (82) and used for being matched with a first convex edge (11) and a second convex edge (21), a first supporting point (821) of the jacket (82) is hinged with the first cover body (1), and a second supporting point (822) of the jacket (82) is hinged with the output end of the telescopic rod (81).
9. The electric stove fully-enclosed double-suction mouth trapping cover device according to claim 8, wherein: and a sealing gasket (83) is arranged on the inner surface of the groove in the middle of the jacket (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322444256.9U CN220793912U (en) | 2023-09-08 | 2023-09-08 | Full-closed double-suction-port trapping cover device of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322444256.9U CN220793912U (en) | 2023-09-08 | 2023-09-08 | Full-closed double-suction-port trapping cover device of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220793912U true CN220793912U (en) | 2024-04-16 |
Family
ID=90665862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322444256.9U Active CN220793912U (en) | 2023-09-08 | 2023-09-08 | Full-closed double-suction-port trapping cover device of electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220793912U (en) |
-
2023
- 2023-09-08 CN CN202322444256.9U patent/CN220793912U/en active Active
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