CN217818200U - Secondary catching device for dust gas of molten iron casting ladle - Google Patents
Secondary catching device for dust gas of molten iron casting ladle Download PDFInfo
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- CN217818200U CN217818200U CN202221769113.4U CN202221769113U CN217818200U CN 217818200 U CN217818200 U CN 217818200U CN 202221769113 U CN202221769113 U CN 202221769113U CN 217818200 U CN217818200 U CN 217818200U
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- frame
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- molten iron
- gas secondary
- door
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Abstract
The utility model relates to a molten iron is watered a packet dust gas secondary trapping apparatus, its innovation point lies in: including establishing the frame on the intermediate frequency furnace base, the top of frame is equipped with the roof, and the left and right sides is equipped with the curb plate respectively to and the front side is equipped with the front bezel, top, curb plate and front bezel enclose into the inner chamber of erectting in the intermediate frequency furnace top, the top of frame is equipped with the door that makes things convenient for driving hoist and mount mechanism to get into inner chamber hoist and mount molten iron to water the package, one side and the roof of door are articulated to be connected, and the opposite side is through establishing opening and shutting of the mechanism control door that opens and shuts in the frame, the inner chamber of frame just is close to the top and is equipped with the dust gas secondary and catches the air flue, be equipped with the suction hole on the air flue is caught to the dust gas secondary to and catch the pipe that the air flue is linked together with the dust gas secondary. The utility model discloses can carry out the secondary to the flue gas that the molten iron was watered a packet in-process and is produced and catch, improve seizure efficiency, also environmental protection more.
Description
Technical Field
The utility model relates to a trapping apparatus, concretely relates to molten iron is watered a packet dust gas secondary trapping apparatus.
Background
The furnace mouth of the existing intermediate frequency furnace is a main smoke source emitting dust gas, and a large amount of smoke gas can be generated in the process of molten iron casting ladle, so that the dust gas emitted from the furnace mouth and the smoke gas generated in the process of molten iron casting ladle need to be collected and dedusted at the same time, and the important effects of improving the working environment and reducing the pollution of smoke to atmosphere can be achieved.
In the prior art, a dust gas collecting device is additionally arranged at a furnace mouth of an intermediate frequency furnace to collect dust gas generated in the molten iron ladle process, but the device can only capture about 80-85% of flue gas, and still can emit partial flue gas into the air, thereby polluting the environment. Therefore, it is urgently needed to design a device capable of collecting part of the smoke emitted to the air for the second time, so that the smoke collection efficiency is improved.
Disclosure of Invention
The utility model aims at: the secondary catching device for the dust and gas of the molten iron casting ladle can carry out secondary catching on the smoke generated in the molten iron casting ladle process, improve the catching efficiency and is more environment-friendly.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a molten iron ladle dust gas secondary trapping apparatus which innovation point lies in: comprises a frame arranged on a base of the intermediate frequency furnace, a top plate is arranged at the top of the frame, side plates are respectively arranged at the left side and the right side of the frame, a front plate is arranged at the front side of the frame, the top plate, the side plates and the front plate enclose an inner cavity erected above the intermediate frequency furnace,
the top of the frame is provided with a door which is convenient for the crane hoisting mechanism to enter the inner cavity to hoist the molten iron casting ladle, one side of the door is hinged with the top plate, the other side of the door controls the opening and closing of the door through an opening and closing mechanism arranged on the frame,
the inner cavity of the frame is provided with a secondary dust gas capturing air passage close to the top, the secondary dust gas capturing air passage is provided with an air suction hole, and a capturing pipe communicated with the secondary dust gas capturing air passage.
In the technical scheme, the opening and closing mechanism comprises a support, a fixed pulley and a hand-cranking device, the support is arranged at the top of the rack and fixedly connected with the top plate, the fixed pulley is arranged on the support, the hand-cranking device is arranged at the middle lower part of the rack, and one end of a pull rope of the hand-cranking device is fixed at the other side of the door.
In the technical scheme, the left side, the right side and the rear side of the inner cavity of the rack, which are close to the top, are provided with dust gas secondary capturing air passages which are communicated with each other, the dust gas secondary capturing air passages are formed by surrounding a back plate and a smoke suction plate, and the smoke suction plate is provided with air suction holes.
In the above technical scheme, the air suction holes are kidney-round through holes or round through holes.
In the technical scheme, a door opening for facilitating the molten iron casting ladle to enter and exit is formed in the front plate of the frame.
In the technical scheme, the device further comprises a flue gas conveying pipe communicated with the dust removal equipment, and the flue gas conveying pipe is communicated with the capture pipe.
In the technical scheme, the frame is including linking base and landing leg as an organic whole, the landing leg supports on the intermediate frequency furnace base station and is located the periphery of intermediate frequency furnace, the top of base is equipped with the roof, and the left and right sides is equipped with the curb plate respectively to and the front side is equipped with the front bezel.
The utility model discloses the positive effect who has is: after the secondary catching device of the molten iron ladle dust gas is adopted, because the device comprises a frame arranged on a base platform of the intermediate frequency furnace, the top of the frame is provided with a top plate, the left side and the right side are respectively provided with a side plate, and the front side is provided with a front plate, the top, the side plates and the front plate enclose an inner cavity erected above the intermediate frequency furnace,
the top of the frame is provided with a door which is convenient for the crane hoisting mechanism to enter the inner cavity to hoist the molten iron casting ladle, one side of the door is hinged with the top plate, the other side of the door controls the opening and closing of the door through an opening and closing mechanism arranged on the frame,
a dust gas secondary capturing air passage is arranged in the inner cavity of the frame and close to the top, an air suction hole and a capturing pipe communicated with the dust gas secondary capturing air passage are arranged on the dust gas secondary capturing air passage,
when in use, the capturing pipe is communicated with the air inlet of the dust removing device, the frame is arranged on the base station of the intermediate frequency furnace, the periphery of the intermediate frequency furnace is covered in the inner cavity of the frame, the secondary dust gas capturing air passage is positioned above the furnace mouth of the intermediate frequency furnace,
in the process of casting a ladle, a dust gas trapping device additionally arranged at a furnace mouth of the intermediate frequency furnace is used for collecting flue gas for the first time in advance, and the overflowed flue gas enters a dust gas secondary trapping air passage through an air suction hole and is finally sent to an air inlet of dust removing equipment for dust removal,
the utility model discloses can carry out the secondary flue gas to intermediate frequency furnace at the molten iron ladle in-process and catch for flue gas capture efficiency promotes 90% ~ 96%, not only improves the capture efficiency of flue gas, can not cause the pollution to all ring edge borders in addition.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the secondary dust-catching air passage of the present invention;
FIG. 3 is a schematic perspective view of FIG. 1 with the front panel removed;
FIG. 4 is a schematic view of the utility model in use;
fig. 5 is another schematic view of fig. 4.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.
As shown in fig. 1, 2, 3, 4 and 5, a secondary catching device for dust gas of a molten iron ladle comprises a frame 1 arranged on a base of an intermediate frequency furnace, a top plate 2 is arranged at the top of the frame 1, side plates 3 are respectively arranged at the left side and the right side of the frame 1, a front plate 4 is arranged at the front side of the frame, an inner cavity erected above the intermediate frequency furnace is enclosed by the top plate 2, the side plates 3 and the front plate 4,
a door 5 which is convenient for a travelling crane hoisting mechanism to enter an inner cavity to hoist a molten iron ladle is arranged at the top of the frame 1, one side of the door 5 is hinged with the top plate 2, the other side of the door 5 controls the opening and closing of the door 5 through an opening and closing mechanism 6 arranged on the frame 1,
the inner cavity of the frame 1 is provided with a secondary dust gas capturing air passage 7 close to the top, the secondary dust gas capturing air passage 7 is provided with an air suction hole 71, and a capturing pipe 8 communicated with the secondary dust gas capturing air passage 7.
As shown in fig. 1 and 3, in order to conveniently control the opening and closing state of the door, the opening and closing mechanism 6 includes a bracket 61, a fixed pulley 62 and a hand crank 63, the bracket 61 is disposed at the top of the frame 1 and fixedly connected with the top plate 2, the fixed pulley 62 is mounted on the bracket 61, the hand crank 63 is disposed at the middle lower part of the frame 1, and one end of a pull rope 631 of the hand crank 63 is fixed at the other side of the door 5. When the door is used, the hand of the hand rocker 63 is rotated, the pull rope 631 of the hand rocker 63 is unreeled or reeled, and the door 5 is opened or closed.
As shown in fig. 2 and 3, in order to make the structure more reasonable and facilitate secondary dust gas collection, dust gas secondary collecting air passages 7 are provided in the inner cavity of the frame 1, at the left and right sides and the rear side near the top, the dust gas secondary collecting air passages 7 are enclosed by a back plate 72 and a smoke absorbing plate 73, and the smoke absorbing plate 73 is provided with air suction holes 71.
As shown in fig. 2 and 3, the air intake holes 71 are oval through holes or circular through holes to further improve the trapping effect. Of course, suction opening 71 is the circular through-hole of waist preferentially, reduces cross sectional area and increases the cross-sectional wind speed, realizes the effect of better supply flue gas.
As shown in fig. 1, in order to facilitate the transfer of the molten iron ladles, a door opening 41 for facilitating the entry and exit of the molten iron ladles and an avoidance notch 42 for facilitating the horizontal movement of a crane hoisting mechanism are arranged on the front plate 4 of the frame 1. The specific process is as follows: hand ware 63 control door 5 is the open mode, and the lifting hook of driving gets into and catches on the molten iron casting ladle from the open-top of frame 1 through unreeling of wire rope, wire rope shifts out from dodging breach 42, shifts out from door opening 41 after the molten iron casting ladle promotes and implements the transportation.
Certainly, the utility model discloses the structure is not limited to this, and the molten iron is watered and is wrapped the top that can follow frame 1 and transport out, perhaps be equipped with in advance on front plate 4 rather than sliding fit's the door that moves, or the sliding door, through controlling and move door or sliding door, makes things convenient for the molten iron to water the package and passes in and out from front plate 4.
As shown in fig. 1, 3 and 4, in order to facilitate the communication between the capturing pipe and the air inlet of the dust removing device, the dust removing device further comprises a flue gas conveying pipe 9 communicated with the dust removing device, and the flue gas conveying pipe 9 is communicated with the capturing pipe 8.
As shown in fig. 1, in order to facilitate installation of a side plate or a cover plate and support on an intermediate frequency furnace base, the frame 1 includes a base 11 and a leg 12 which are connected into a whole, the leg 12 is supported on the intermediate frequency furnace base and located at the periphery of the intermediate frequency furnace, a top plate 2 is arranged at the top of the base 11, side plates 3 are respectively arranged at the left side and the right side, and a front plate 4 is arranged at the front side.
As shown in figure 4, when the utility model is used, the flue gas conveying pipe 9 connected with the catching pipe 8 is communicated with the air inlet of the dust removing device, the frame 1 is arranged on the base platform 101 of the intermediate frequency furnace, the periphery of the intermediate frequency furnace 102 is covered in the inner cavity of the frame 1, the dust gas secondary catching air passage 7 is positioned above the furnace mouth of the intermediate frequency furnace,
in the process of casting the molten iron, a dust gas trapping device additionally arranged at a furnace mouth of the intermediate frequency furnace is used for collecting primary flue gas in advance, the overflowed flue gas enters a dust gas secondary trapping air passage 7 through an air suction hole 71 and is finally sent to an air inlet of dust removing equipment for dust removal,
the utility model is not only simple in structure, convenient to use can carry out the secondary flue gas to intermediate frequency furnace at the molten iron ladle in-process and catch for the flue gas efficiency of catching promotes 90% ~ 96%, not only improves the efficiency of catching of flue gas, can not cause the pollution to all ring edge borders moreover.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a molten iron ladle dust gas secondary trapping apparatus which characterized in that: comprises a frame (1) arranged on an intermediate frequency furnace base platform, a top plate (2) is arranged at the top of the frame (1), side plates (3) are respectively arranged at the left side and the right side of the frame, a front plate (4) is arranged at the front side of the frame, the top plate (2), the side plates (3) and the front plate (4) enclose an inner cavity erected above the intermediate frequency furnace,
a door (5) which is convenient for a travelling crane hoisting mechanism to enter an inner cavity to hoist a molten iron ladle is arranged at the top of the frame (1), one side of the door (5) is hinged with the top plate (2), the other side of the door (5) controls the opening and closing of the door (5) through an opening and closing mechanism (6) arranged on the frame (1),
the inner cavity of the frame (1) is provided with a dust gas secondary capturing air passage (7) close to the top, the dust gas secondary capturing air passage (7) is provided with an air suction hole (71) and a capturing pipe (8) communicated with the dust gas secondary capturing air passage (7).
2. The molten iron ladle dust gas secondary capture device of claim 1, wherein: mechanism (6) that opens and shuts includes support (61), fixed pulley (62) and hand ware (63), support (61) establish the top in frame (1) and with roof (2) fixed connection, fixed pulley (62) dress is on support (61), the well lower part in frame (1) is established in hand ware (63), and the opposite side at door (5) is fixed to the one end of stay cord (631) of hand ware (63).
3. The molten iron ladle dust gas secondary capture device of claim 1, wherein: the dust gas secondary capturing device is characterized in that dust gas secondary capturing air passages (7) which are communicated with each other are arranged on the left side, the right side and the rear side of an inner cavity of the rack (1), the left side and the right side are close to the top of the inner cavity, the dust gas secondary capturing air passages (7) are formed by enclosing a back plate (72) and a smoke absorbing plate (73), and the smoke absorbing plate (73) is provided with a suction hole (71).
4. The molten iron ladle dust gas secondary capture device of claim 1, wherein: the air suction holes (71) are waist-shaped through holes or round through holes.
5. The molten iron ladle dust gas secondary capture device of claim 1, wherein: a front plate (4) of the frame (1) is provided with a door opening (41) for facilitating the entry and exit of a molten iron ladle and an avoidance notch (42) for facilitating the horizontal movement of a crane hoisting mechanism.
6. The molten iron ladle dust gas secondary capture device of claim 1, wherein: the dust removal device is characterized by further comprising a flue gas conveying pipe (9) communicated with the dust removal device, wherein the flue gas conveying pipe (9) is communicated with the capture pipe (8).
7. The molten iron ladle dust gas secondary capture device of claim 1, wherein: frame (1) is including linking base (11) and landing leg (12) as an organic whole, landing leg (12) support on the intermediate frequency furnace base station and are located the periphery of intermediate frequency furnace, the top of base (11) is equipped with roof (2), and the left and right sides is equipped with curb plate (3) respectively to and the front side is equipped with front bezel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769113.4U CN217818200U (en) | 2022-07-08 | 2022-07-08 | Secondary catching device for dust gas of molten iron casting ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769113.4U CN217818200U (en) | 2022-07-08 | 2022-07-08 | Secondary catching device for dust gas of molten iron casting ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217818200U true CN217818200U (en) | 2022-11-15 |
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ID=83965559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221769113.4U Active CN217818200U (en) | 2022-07-08 | 2022-07-08 | Secondary catching device for dust gas of molten iron casting ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217818200U (en) |
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2022
- 2022-07-08 CN CN202221769113.4U patent/CN217818200U/en active Active
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