CN209969555U

CN209969555U - Overhanging type continuous casting dust hood

Info

Publication number: CN209969555U
Application number: CN201920435272.2U
Authority: CN
Inventors: 陈晓玉; 杨红; 朱林
Original assignee: Jiangsu Tianjia Environmental Protection Technology Co Ltd
Current assignee: Jiangsu Tianjia Environmental Protection Technology Co Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-01-21
Anticipated expiration: 2029-04-01

Abstract

The utility model relates to a formula of encorbelmenting continuous casting dust excluding hood has the effect that does not influence the pot cover motion. The utility model discloses an overhanging type continuous casting dust hood, which comprises a movable hood positioned above a rotary table, wherein a dust removal auxiliary pipe is connected on the movable hood, the dust removal auxiliary pipe can be detachably connected with a dust removal main pipe, and a first bracket for supporting the dust removal main pipe is arranged obliquely above the rotary table; a first support rod vertically extends below the support, a first roller is arranged at the top end of the fixing frame, and a first rail for the first roller to roll is arranged on one side of the first support rod, which is far away from the movable cover; the movable cover is characterized in that a second support used for supporting the movable cover is arranged on one side of the rotary table, a second rail is arranged above the second support, a fixed frame used for fixing the movable cover is arranged on the movable cover, a second roller capable of sliding along the length direction of the second rail is arranged on the fixed frame, and the first rail is parallel to the second rail. By means of the matching of the movable cover and the plurality of tracks, the sliding of the movable cover relative to the rotary table is realized.

Description

Overhanging type continuous casting dust hood

Technical Field

The utility model relates to a formula of encorbelmenting continuous casting dust excluding hood, more specifically says, it relates to a formula of encorbelmenting continuous casting dust excluding hood.

Background

In the pouring process of the conventional continuous casting ladle, smoke generated at a pouring station is not large and is not collected generally, and the smoke is directly dissipated into a workshop to cause pollution. With the stricter requirements of national environmental protection policies, the station also needs to treat the smoke dust in an environmental protection way.

The patent with publication number CN108500224A and published Japanese 20180907 discloses a flue gas dust removal process for continuous casting of large ladles, wherein full ladles are placed in a rotary table, the rotary table rotates to a casting position, a movable cover moves to the upper part of the casting ladles, the fixed cover and the movable cover are sealed and closed, the full ladles begin to be cast, a fan above an operation platform draws flue gas away in the casting process through an exhaust inlet on the fixed cover, and meanwhile, a hoisting position begins to prepare the full ladles. After casting is finished, the rotary table rotates 180 degrees, an empty steel ladle enters the hoisting position, a full steel ladle enters the casting position, the movable cover moves to the upper part of the casting position, and a hoisting space is made available, so that the circular operation is realized.

The flue gas dust removal process in the patent improves the workshop environment, and compared with the traditional roof cover, the flue gas dust removal process greatly reduces the one-time investment and the running cost. However, in the actual production process, some continuous casting production needs to seal a continuous casting ladle by a pot cover to realize the heat preservation of molten steel, so that a driving mechanism for controlling the pot cover needs to be installed on the rotary table, and if a movable cover is installed on the rotary table, the normal operation of the driving mechanism is interfered.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a formula of encorbelmenting continuous casting dust excluding hood has the effect that does not influence the pot cover motion.

In order to achieve the technical purpose, the utility model provides a following technical scheme: a cantilever type continuous casting dust hood comprises a movable hood located above a rotary table, wherein a dust removal auxiliary pipe is connected to the movable hood, the dust removal auxiliary pipe is detachably connected with a dust removal main pipe, and a first support for supporting the dust removal main pipe is arranged obliquely above the rotary table;

a first support rod vertically extends below the support, a first roller is arranged at the top end of the fixing frame, and a first rail for the first roller to roll is arranged on one side of the first support rod, which is far away from the movable cover;

a second support used for supporting the moving cover is arranged on one side of the rotary table, a second rail is arranged above the second support, a fixed frame used for fixing the moving cover is arranged on the moving cover, a second roller sliding along the length direction of the second rail is arranged on the fixed frame, and the first rail is parallel to the second rail;

one surface of the second support, which points to the rotary table, is provided with a third rail, and the fixed frame is provided with a third roller which slides along the length direction of the third rail.

By adopting the technical scheme, the first roller, the second roller and the third roller on the fixing frame respectively roll on respective tracks, three-point positioning is realized, the movable cover and the support are ensured to be relatively fixed, the movable cover can only slide along the length direction of the tracks, when the pouring bale works, a worker pushes the movable cover to be right above the pouring bale, the exhaust fan communicated with the dust removal header pipe is started, and smoke and dust generated during pouring are sucked away. When the continuous casting ladle is required to be overhauled or the pot cover is covered, the movable cover can be moved away again, and the dust removal and the normal work of a continuous casting machine are realized.

Preferably, a second support rod parallel to the first support rod extends vertically below the support, a fourth track parallel to the first track is arranged on the second support rod, a fourth roller rolling along the fourth track is arranged on the fixing frame, and the fourth roller and the first roller are positioned on two sides of the same rod of the fixing frame.

Through adopting above-mentioned technical scheme, with the help of gyro wheel one and the cooperation of gyro wheel four, with the branch card of mount between bracing piece one and bracing piece two, guaranteed to remove when covering slides, can not rock, further strengthened the structure steadiness.

Preferably, the fixed frame is provided with a motor, and the motor drives the roller to rotate by two rotations through the belt pulley.

Through adopting above-mentioned technical scheme, the motor drives two rotations of gyro wheel, makes and removes the relative track two and slide of cover, consequently does not need artifical promotion to remove the cover and slides, has reduced staff's burden, has improved the simple operation nature.

Preferably, the fixing frame comprises two groups of main rods, cross rods and inclined rods which are respectively enclosed to form a triangle, each group of the cross rods and the inclined rods are respectively arranged on one side of the movable cover, the inclined rods and the cross rods are fixedly connected through a plurality of fixing rods parallel to the main rods, every two adjacent fixing rods are provided with reinforcing rods, and each main rod is provided with a roller I, a roller II and a roller IV.

Through adopting above-mentioned technical scheme, two sets of poles support and remove the cover, have guaranteed to remove the stability of cover structure, have two gyro wheels on every track simultaneously, have improved the structure steadiness.

Preferably, one end of the auxiliary dedusting pipe close to the main dedusting pipe is provided with a butt joint, and the main dedusting pipe is provided with a butt joint pipe matched with the butt joint.

Through adopting above-mentioned technical scheme, remove the cover and remove directly over the big package of casting after, the butt joint mouth will play the butt joint pipe and align and laminate, and the smoke and dust of the big package of casting will be in following the vice pipe entering dust removal main in the dust removal, and non-rigid connection does not influence the normal removal that removes the cover between dust removal main and the dust removal vice pipe at this moment.

Preferably, the end face of the butt joint port is coated with a semicircular first sealing gasket, the end face of the butt joint pipe is provided with a semicircular second sealing gasket, the second sealing gasket is positioned on one side departing from the moving direction of the moving cover, and the first sealing gasket is positioned on one side of the moving direction of the moving cover.

By adopting the technical scheme, after the butt joint port and the butt joint pipe are folded, the first sealing gasket and the second sealing gasket are folded to form the circular sealing gasket, so that a gap between the butt joint port and the butt joint pipe is sealed, external air is prevented from entering a dust removal pipeline from the gap, power consumption of the air suction pump is increased, and dust removal cost is reduced.

Preferably, triangular gaps are formed in two ends of the first sealing gasket, the distance from each gap to the butt joint port is gradually reduced from the end portion, and the gaps which are the same as those of the first sealing gasket are formed in two ends of the second sealing gasket.

By adopting the technical scheme, after the first sealing gasket and the second sealing gasket are folded, the two ends of the first sealing gasket can be inserted into the notches of the second sealing gasket, so that the first sealing gasket and the second sealing gasket are tightly connected, and the gap between the first sealing gasket and the second sealing gasket can be removed under the mutual pushing of the first sealing gasket and the second sealing gasket, so that the sealing property is further ensured.

To sum up, the utility model discloses following effect has been gained:

1. by means of the matching of the movable cover and the plurality of tracks, the sliding of the movable cover relative to the rotary table is realized.

Drawings

FIG. 1 is a schematic view for showing the overall structure in the present embodiment;

FIG. 2 is a schematic view illustrating the relationship between the fixed frame and the movable cover in the present embodiment;

FIG. 3 is a schematic view illustrating a relationship between the fixing frame and the second roller in the present embodiment;

FIG. 4 is a schematic view illustrating a specific structure of the fixing frame in the present embodiment;

FIG. 5 is a schematic view showing the relationship between the secondary dedusting pipes and the main dedusting pipe in this embodiment;

fig. 6 is a partially enlarged view of a portion a of fig. 5 for showing the fitting relationship between the first gasket and the second gasket.

In the figure, 1, a cover is moved; 2. a fixed mount; 21. a first roller; 22. a second roller; 23. a third roller; 24. a fourth roller; 25. a motor; 26. a main rod; 27. a diagonal bar; 28. a cross bar; 281. fixing the rod; 282. a reinforcing bar; 3. a turntable; 31. a second bracket; 32. a second track; 33. a third rail; 5. a dust removal auxiliary pipe; 51. a butt joint port; 52. a first sealing gasket; 53. a notch; 4. a dust removal header pipe; 41. butt-joint pipes; 42. a second sealing gasket; 6. a first bracket; 62. a first supporting rod; 63. a second supporting rod; 64. a first track; 65. and a fourth track.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b): a cantilever type continuous casting dust hood is shown in figure 1 and comprises a movable hood 1 located above a rotary table 3, wherein the movable hood 1 is made of metal materials, a dust removing auxiliary pipe 5 is connected to the movable hood 1, and the dust removing auxiliary pipe 5 is communicated with a dust removing main pipe 4.

As shown in fig. 1 and 2, a first support 6 for supporting the dust collection header pipe 4 is arranged obliquely above the rotary table 3, a first support rod 62 vertically extends below the first support 6, a first roller 21 is arranged at the top end of the fixed frame 2, and a first rail 64 for rolling the first roller 21 is arranged on one side of the first support rod 62 departing from the movable cover 1.

As shown in fig. 2, a second bracket 31 for supporting the movable cover 1 is arranged on one side of the rotary table 3, a second rail 32 is arranged above the second bracket, a fixed frame 2 for fixing the movable cover 1 is arranged on the movable cover 1, a second roller 22 which slides along the length direction of the second rail 32 is arranged on the fixed frame 2, and a first rail 64 is parallel to the second rail 32. One surface of the second bracket 31, which points to the rotary table 3, is provided with a third rail 33, and the fixed frame 2 is provided with a third roller 23 which slides along the length direction of the third rail 33.

The first roller 21, the second roller 22 and the third roller 23 on the fixing frame 2 respectively roll on respective tracks, three-point positioning is achieved, it is guaranteed that the movable cover 1 and the support are relatively fixed, the movable cover 1 can only slide along the length direction of the tracks, when the pouring bale works, workers push the movable cover 1 to the position right above the pouring bale, an exhaust fan communicated with the dust removal main pipe 4 is started, and smoke and dust generated during pouring are sucked away. When the continuous casting ladle is required to be overhauled or the cover of the pot is covered, the movable cover 1 can be moved away again, and the dust removal and the normal work of a continuous casting machine are realized.

As shown in fig. 2, a second support bar 63 parallel to the first support bar 62 vertically extends below the first support 6, the second support bar 63 is provided with a fourth track 65 parallel to the first track 64, the fixed frame 2 is provided with a fourth roller 24 rolling along the fourth track 65, and the fourth roller 24 and the first roller 21 are located on two sides of the same bar of the fixed frame 2. By means of the cooperation of the first roller 21 and the fourth roller 24, the supporting rod of the fixing frame 2 is clamped between the first supporting rod 62 and the second supporting rod 63, and the moving cover 1 is guaranteed not to shake when sliding.

As shown in fig. 3, the fixed frame 2 is provided with a motor 25, and the motor 25 drives the second roller 22 to rotate by a belt pulley. The motor 25 drives the second roller 22 to rotate, so that the movable cover 1 slides relative to the second rail 32, manual pushing of the movable cover 1 is not needed, and the burden of workers is reduced.

As shown in fig. 4, the fixing frame 2 includes two groups of main rods 26, cross rods 28 and diagonal rods 27, which are respectively enclosed to form a triangle, each group of cross rods 28 and diagonal rods 27 is respectively disposed at one side of the movable cover 1, the diagonal rods 27 and the cross rods 28 are fixedly connected through a plurality of fixing rods 281 parallel to the main rods 26, a reinforcing rod 282 is disposed between every two adjacent fixing rods 281, and a roller one 21, a roller two 22 and a roller four 24 are disposed on each main rod 26. Two sets of rods support the movable cover 1, so that the stability of the structure of the movable cover 1 is ensured, and two rollers are arranged on each track.

As shown in fig. 5, the dust removing sub-pipe 5 is provided with a docking port 51 at one end thereof close to the dust removing main pipe 4, and the dust removing main pipe 4 is provided with a docking pipe 41 which is fitted to the docking port 51. After the movable cover 1 moves to the position right above the casting ladle, the butt joint port 51 can start the butt joint pipe 41 to align and attach, at the moment, smoke dust of the casting ladle can enter the dust removal main pipe 4 along the dust removal auxiliary pipe 5, the dust removal main pipe 4 is not rigidly connected with the dust removal auxiliary pipe 5, and the normal movement of the movable cover 1 is not influenced.

As shown in fig. 6, a semicircular first sealing gasket 52 is attached to the end surface of the butt joint port 51, a semicircular second sealing gasket 42 is arranged on the end surface of the butt joint pipe 41, the second sealing gasket 42 is located on the side departing from the moving direction of the moving cover 1, and the first sealing gasket 52 is located on the side of the moving direction of the moving cover 1. After the butt joint port 51 and the butt joint pipe 41 are folded, the first sealing gasket 52 and the second sealing gasket 42 are folded to form a circular sealing gasket, so that a gap between the butt joint port 51 and the butt joint pipe 41 is sealed, and external air is prevented from entering a dust removal pipeline from the gap, and the power consumption of the air suction pump is increased.

As shown in fig. 6, triangular notches 53 are formed at both ends of the first seal 52, the distance from the notch 53 to the mating port 51 is gradually reduced from the end, and notches 53 identical to those of the first seal 52 are formed at both ends of the second seal 42. When the first seal 52 and the second seal 42 are folded, two ends of the first seal 52 are inserted into the notches 53 of the second seal 42, so that the first seal 52 and the second seal 42 are tightly connected, and the gap between the first seal 52 and the second seal 42 is removed under the mutual pushing of the first seal 52 and the second seal 42.

Claims

1. The utility model provides a formula of encorbelmenting continuous casting dust excluding hood which characterized in that: the device comprises a movable cover (1) positioned above a rotary table (3), wherein a dedusting auxiliary pipe (5) is connected to the movable cover (1), the dedusting auxiliary pipe (5) is detachably connected with a dedusting main pipe (4), and a first support (6) for supporting the dedusting main pipe (4) is arranged obliquely above the rotary table (3);

a first support rod (62) vertically extends below the first support (6), a fixed frame (2) used for supporting the movable cover (1) is arranged below the dust removal auxiliary pipe (5), a first roller (21) is arranged at the top end of the fixed frame (2), and a first rail (64) for the first roller (21) to roll is arranged on one side, away from the movable cover (1), of the first support rod (62);

a second support (31) used for supporting the movable cover (1) is arranged on one side of the rotary table (3), a second rail (32) is arranged above the second support, a fixed frame (2) used for fixing the movable cover (1) is arranged on the movable cover (1), a second roller (22) sliding along the length direction of the second rail (32) is arranged on the fixed frame (2), and the first rail (64) is parallel to the second rail (32);

one surface of the second support (31) pointing to the rotary table (3) is provided with a third rail (33), and the fixed frame (2) is provided with a third roller (23) which slides along the length direction of the third rail (33).

2. The overhanging type continuous casting dust excluding hood as claimed in claim 1, wherein: the vertical extension in support one (6) below has bracing piece two (63) parallel with bracing piece one (62), bracing piece two (63) are provided with track four (65) parallel with track one (64), be provided with on mount (2) along track four (65) rolling gyro wheel four (24), gyro wheel four (24) and gyro wheel one (21) are located the two sides of the same root pole of mount (2).

3. The overhanging type continuous casting dust excluding hood as claimed in claim 2, wherein: the fixed frame (2) is provided with a motor (25), and the motor (25) drives the second roller (22) to rotate through a belt pulley.

4. The overhanging type continuous casting dust excluding hood as claimed in claim 3, wherein: the fixing frame (2) comprises two groups of main rods (26), cross rods (28) and inclined rods (27) which are respectively enclosed to form a triangle, each group of main rods (26), cross rods (28) and inclined rods (27) are respectively arranged on one side of the movable cover (1), fixing rods (281) which are parallel to the main rods (26) are fixedly connected between the inclined rods (27) and the cross rods (28) through a plurality of fixing rods, every two fixing rods are adjacent to each other, reinforcing rods (282) are arranged between the fixing rods (281), and each fixing rod is provided with a roller I (21), a roller II (22) and a roller IV (24) on the main rods (26).

5. The overhanging type continuous casting dust excluding hood as claimed in claim 4, wherein: one end of the auxiliary dedusting pipe (5) close to the main dedusting pipe (4) is provided with a butt joint port (51), and the main dedusting pipe (4) is provided with a butt joint pipe (41) matched with the butt joint port (51).

6. The overhanging type continuous casting dust excluding hood as claimed in claim 5, wherein: the terminal surface subsides of interface (51) have semicircular sealed the pad one (52), the terminal surface of butt joint pipe (41) is provided with semicircular sealed pad two (42), sealed pad two (42) are located and deviate from the one side that removes cover (1) moving direction, sealed pad one (52) are located the one side that removes cover (1) moving direction.

7. The overhanging type continuous casting dust excluding hood as claimed in claim 6, wherein: the both ends of sealed pad (52) are provided with triangular breach (53), breach (53) are to the distance of butt joint mouth (51) from the tip diminish gradually, the both ends of sealed pad two (42) are provided with the breach (53) the same with sealed pad (52).