CN211939033U - Steel ladle bottom pouring smoke dust collecting system - Google Patents
Steel ladle bottom pouring smoke dust collecting system Download PDFInfo
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- CN211939033U CN211939033U CN202020429703.7U CN202020429703U CN211939033U CN 211939033 U CN211939033 U CN 211939033U CN 202020429703 U CN202020429703 U CN 202020429703U CN 211939033 U CN211939033 U CN 211939033U
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- 239000000779 smoke Substances 0.000 title claims abstract description 68
- 239000000428 dust Substances 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 210000001503 joint Anatomy 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 244000035744 Hura crepitans Species 0.000 description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model provides a ladle package end pouring smoke and dust collecting system belongs to the field is collected to the casting trade smoke and dust. The steel ladle bottom pouring smoke dust collecting system comprises a main smoke exhaust pipeline, a butt joint valve, a bottom pouring collecting cover, a traveling track and a reserved opening sealing device; the ladle bottom pouring collection cover comprises a first independent collection cover and a second independent collection cover, and during pouring, the two independent ladle bottom pouring collection covers are butted into a whole and are symmetrical along a butt joint surface. Pouring smoke and dust collecting system is through improving the suction hood design and sealed mode, and the cooperation is switched with the butt joint valve, can locate to form small-size sealed space in pouring station, and the leakproofness is good, compares with the top suction hood and can reduce the required amount of wind of dust removal by a wide margin, improves collection efficiency by a wide margin. Compared with the scheme of isolating the whole pouring workshop, the method is more energy-saving and better in operability.
Description
Technical Field
The utility model belongs to the field is collected to the foundry industry smoke and dust, especially relates to a ladle package end pouring smoke and dust collecting system.
Background
In the pouring process of large castings in the casting industry, a travelling crane is needed to hang a ladle for pouring, the ladle leaks molten steel into a sand box or a casting mold through a ladle bottom pouring valve, a large amount of smoke and dust are generated in the pouring process, mainly splashing dust caused by falling of the molten steel, smoke and dust generated by gasification of a sand box core and smoke and volatile matters generated by heating of the casting sand, and the environment of a pouring site is severe due to the large amount of smoke and dust, so the smoke and dust needs to be collected.
The form of cover is collected in pouring ladle bottom pouring of current is mostly the top suction type, the side suction type and the portable of semi-surrounding, nevertheless because of the crane ladle removes, end runner operation needs, the suction hood is very far away from the pouring point, can't effectively collect a large amount of smoke and dust and harmful gas that produce in the pouring process, has caused the environmental pollution in whole workshop. The chinese utility model patent CN110538853A discloses a portable totally closed casting dust removal facility's use method, sets up the dust excluding hood track on the both sides of casting sand box, sets up portable dust excluding hood above the track to the top of installing electric roller shutter door, dust excluding hood additional, the storing storehouse of large-scale dust catcher is passed through wire hose and is connected, in order to realize the regional closure of pouring, promotes the flue gas collection effect. But this suction hood uses the flexible steel wire hose adjustment position, and the operation is complicated, and is with high costs, and can't avoid the flue gas to pass through the sprue gate excessive during the pouring, still has the problem that flue gas efficiency is low, the rate of leaking out is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that exists in the pouring of above-mentioned large-scale foundry goods, provide one kind can effectively airtight pouring process dust, flue gas collection efficiency height, the high ladle package end pouring smoke and dust collecting system of amount of wind utilization.
In order to achieve the above object, the utility model discloses a technical scheme be:
the steel ladle bottom pouring smoke dust collecting system comprises a main smoke discharging pipeline, a butt joint valve, a bottom pouring collecting cover, a walking track, a reserved port sealing device and an illuminating and monitoring system.
The ladle bottom pouring collection cover comprises a first independent collection cover and a second independent collection cover, the top of the first independent collection cover is provided with a smoke outlet, a crown block reserved opening and a reserved opening sealing device, and the bottom of the first independent collection cover is provided with a walking device; the exhaust port is matched with the main pipeline butt joint valve, and the crown block reserved port is a rectangular notch with three sealed sides and one open side.
The reserved opening sealing device comprises a sealing baffle, a tension spring, a control motor, a sliding groove, a contraction elastic rope, a tarpaulin covering film, a rolling rod and a crown block induction positioning device; a sliding groove is formed above the boundary of the crown block reserved opening along the extending direction of the rail, the sealing baffle is positioned above the sliding groove and just covers the crown block reserved opening, the elastic rope is pulled and contracted by controlling the motor to perform telescopic motion, and the tensioning spring is used for assisting in tensioning the sealing baffle; the overhead traveling crane is characterized in that a tarpaulin covering film is further arranged at the reserved opening of the overhead traveling crane, the tarpaulin covering film performs telescopic motion through a rolling rod, is contracted and rolled into a roll at ordinary times, is pulled out along with the sealing baffle when the sealing baffle moves, and is the same as the sealing baffle in size when the sealing baffle is completely unfolded; the overhead traveling crane induction positioning device is a row of magnetic induction overhead traveling crane induction positioners arranged along one side of the overhead traveling crane reserved opening, can induce the position of the overhead traveling crane, and is interlocked with the control motor to control the telescopic distance of the sealing baffle.
The second independent collecting cover has the same structure as the first independent collecting cover and can freely move on the traveling track; during pouring, the two independent ladle bottom pouring collecting covers are butted into a whole and are symmetrical along a butt joint surface, and the crown block reserved opening is in a rectangular hole shape.
Preferably, the first independent collecting cover and the second independent collecting cover are all steel structure wall plates except for the butt joint surface and the crown block reserved opening, and the height from the bottom of each side structure wall plate to the ground is more than 2 meters.
Preferably, temperature-resistant materials are laid inside the steel structure wall plate, and the temperature-resistant materials are aluminum silicate plates.
Preferably, a buffer labyrinth sealing structure is arranged at the butt joint surface of the first independent collecting cover and the second independent collecting cover.
Preferably, the buffering labyrinth seal structure is in sealing fit through a concave-convex structure, and a rubber pad is arranged at the concave position of the buffering labyrinth seal structure.
Preferably, the heights of the ladle bottom pouring collection cover are consistent along the track direction, the cross section perpendicular to the track direction is in a gradual rising type, and the smoke outlet is located at the highest position of the cover body.
Preferably, the pouring flask arrangement may be in the form of a pit, a half pit and an above-ground form.
The smoke collecting method of the ladle bottom pouring smoke collecting system comprises the following steps:
a. separating the first independent collecting cover from the second independent collecting cover, hanging a steel ladle by a crown block to enter a pouring area, roughly positioning a bottom pouring valve of the steel ladle and a dead head of a sand box, and closing the two independent bottom pouring collecting covers;
b. adjusting the position of the ladle bottom pouring collection cover, butting a smoke outlet of the ladle bottom pouring collection cover with a dust suction port of the main pipeline, and starting a fan;
c. starting a control motor at a crown block reserved opening at the top of the ladle bottom pouring collection cover, sensing the position of the crown block through a crown block sensing and positioning device, moving a sealing baffle plate to seal the crown block reserved opening, and at the moment, hanging the ladle and sealing a sand box in the ladle bottom pouring collection cover;
d. an operator positions a ladle bottom pouring valve and a sand box riser, opens the ladle bottom pouring valve, injects molten steel into a sand box or a steel mould and starts pouring;
e. after the first sand box is poured, the crane ladle is commanded by an operator to travel along the inner part of the ladle bottom pouring collection cover with a reserved crown block opening, the motor is controlled to drive the double-side sealing baffle plates to correspondingly travel along with the movement of the crown block under the guidance of the crown block induction positioning device, and the second sand box is poured after the steel ladle is positioned to the next pouring point;
f. when the sand box in the ladle bottom pouring collection cover is completely poured, smoke dust in the cover is emptied, the ladle bottom pouring collection cover moves on the traveling track, and the smoke outlet moves to the next butt valve of the smoke exhaust main pipeline;
g. after the butt joint is completed, moving the steel ladle to a preset pouring position, opening a butt joint valve of a main smoke exhaust pipeline, and entering the next pouring cycle;
h. and after the molten steel in the ladle is used, exhausting flue gas in the ladle bottom pouring collection cover, separating the first independent collection cover from the second independent collection cover, and driving the crown block to separate and replace the ladle.
Preferably, when the sand box needs to be arranged in a pouring pit before pouring, the sand box casting heads are linearly arranged along the direction of the traveling track of the ladle bottom pouring collection cover and are arranged in the middle of a reserved crown block opening of the ladle bottom pouring collection cover.
Preferably, the movement of the ladle bottom pouring collection cover and the crown block ladle is instructed by an operator in the cover, and the ladle bottom pouring collection cover and the crown block ladle can move simultaneously or independently.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. pouring smoke and dust collecting system adopts totally enclosed collection form, can open/confined removal cover integrated configuration through improving suction hood design and sealed mode, and the cooperation is switched with the butt joint valve, can form small-size sealed space in pouring station department, and the leakproofness is good, inhales the cover with the top and compares and can reduce the required amount of wind of dust removal by a wide margin, improves collection efficiency. Compared with the scheme of isolating the whole pouring workshop, the method is more energy-saving and better in operability.
2. The movable ladle bottom pouring collection cover adopts a gradually rising cover body structure, so that large-discharge smoke dust in the moment of pouring is buffered, the smoke dust can be effectively collected at the highest point, and the whole set of system can be controlled by lower air volume.
3. Through setting up the main pipeline diverter valve of discharging fume, can use each pouring station with ladle bottom pouring collection cover, practice thrift environmental protection dust removal input.
Drawings
Fig. 1 is a front view of a ladle bottom pouring smoke collecting system according to an embodiment of the present invention;
fig. 2 is a top view of a ladle bottom pouring smoke collecting system according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a ladle bottom pouring smoke dust collecting system with a sand box in a pit form, which is perpendicular to a track according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a ladle bottom pouring smoke collecting system with a semi-pit type sand box according to an embodiment of the present invention, the cross-sectional view being perpendicular to a track;
fig. 5 is a cross-sectional view of a ladle bottom pouring smoke collection system with a sand box in an above-ground form, which is perpendicular to a rail according to an embodiment of the present invention;
fig. 6 is a schematic view of a sealing device of a reserved opening of a ladle bottom pouring smoke collecting system provided by the embodiment of the utility model;
fig. 7 is a schematic view of a butt joint of two ladle bottom pouring collecting covers in the ladle bottom pouring smoke collecting system provided by the embodiment of the present invention;
fig. 8 is a working state diagram of the system for collecting the dust from the bottom pouring of the ladle provided by the embodiment of the present invention;
in the figure, 11: main flue gas duct, 12: docking valve, 21: smoke outlet, 22: first independent collection hood, 22': second independent collecting cover, 23: running gear, 24: buffer labyrinth seal structure, 241: concave-convex structure, 242: rubber pad, 25: preformed hole sealing device, 251: control motor, 252: tarpaulin coating, 253: seal baffle, 254: tension spring, 255: sliding groove, 256: contracting elastic cord, 257: winding rod, 26: crown block reserved port, 27: travel track, 31: ladle, 32: ladle bottom pouring valve, 41: flask, 42: and (5) pouring a pit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a steel ladle bottom pouring smoke collecting system, which includes a main smoke discharging pipe 11, a butt joint valve 12, a bottom pouring collecting cover, a walking rail 23, a reserved opening sealing device 25 and an illumination and monitoring system.
The ladle bottom pouring collection cover comprises a first independent collection cover 22 and a second independent collection cover 22', the top of the first independent collection cover 22 is provided with a smoke outlet 21, a crown block reserved opening 26 and a reserved opening sealing device 25, and the bottom of the first independent collection cover is provided with a walking device 23; the smoke outlet 21 is matched with the main pipeline butt joint valve 12, and the position can be adjusted according to different pouring points, so that one set of equipment can be realized, and multiple points can be utilized. The crown block reserved opening 26 is a rectangular gap with three closed sides and one open side. So that the crown block can move flexibly and is convenient for pouring. The second independent collecting cover 22' has the same structure as the first independent collecting cover 22 and can freely move on the travelling track 27; during pouring, the two independent ladle bottom pouring collecting covers are butted into a whole and are symmetrical along a butting surface, and the crown block reserved opening 26 is in a rectangular hole shape.
As further shown in fig. 3, the heights of the ladle bottom pouring collection cover are consistent along the track direction, the cross section perpendicular to the track direction is gradually increased, the smoke outlet 21 is located at the highest position of the cover body, smoke can easily flow to the smoke outlet, smoke exhaust efficiency is improved, and smoke overflow is avoided. As shown in fig. 3-5, the pouring sand box can be arranged in three different forms according to the working requirement and the actual situation on site, wherein fig. 3 is in a pit form, fig. 4 is in a half pit form, and fig. 5 is in an above-ground form, and the different forms of arrangement do not affect the collection efficiency of the ladle bottom pouring collection cover.
As further shown in fig. 6, in order to ensure the sealing performance of the ladle bottom pouring collection cover, the preformed port sealing device 25 comprises a control motor 251, a tarpaulin covering film 252, a sealing baffle 253, a tensioning spring 254, a sliding groove 255, a contraction elastic rope 256, a winding rod 257 and a crown block induction positioning device; a sliding groove 255 is formed above the boundary of the crown block reserved opening 26 in the track extending direction, the sealing baffle 253 is located above the sliding groove 255 and just covers the crown block reserved opening 26, the control motor 251 pulls the contraction elastic rope 256 to perform telescopic motion, the tensioning spring 254 tensions a fixed point at the bottom of the sealing plate, and the sealing baffle 253 is close to a crown block steel wire rope by elasticity to play a role in assisting in tensioning the sealing baffle 253.
The crown block reserved opening 26 is also provided with a tarpaulin coating film 252, the tarpaulin coating film 252 performs telescopic motion through a rolling rod 257, the tarpaulin coating film 252 is contracted and rolled into a roll at ordinary times, the sealing baffle 253 is pulled out along with the sealing baffle 253 when moving, and the size of the sealing baffle 253 is the same as that of the sealing baffle 253 when being completely unfolded; the overhead traveling crane sensing and positioning device is a row of magnetic sensing overhead traveling crane sensing and positioning devices arranged along one side of the overhead traveling crane reserved opening 26, can sense the position of the overhead traveling crane, and is interlocked with the control motor 251 to control the telescopic distance of the sealing baffle 253. The sealing device for the reserved opening is matched with a tarpaulin covering film through the sealing baffle plate, a following sealing mode is adopted, the cover is poured and collected at the bottom of the ladle and is always in a sealing state after being closed, the sealing performance is good, and compared with a top suction cover, the required air quantity for dust removal can be greatly reduced, and the collection efficiency is improved.
In order to improve device bulk strength and stability, first independently collect cover 22 and second independently collect cover 22' except that butt joint face and overhead traveling crane reserve opening 26, all the other three sides and top surface are the steel construction wallboard, and its inside temperature resistant material that lays, temperature resistant material is aluminum silicate plate to set up to the net pulling form, can play the effect of inhaling the sound, thermal-insulated, preventing splashing, not only can protect and collect operating personnel in the cover, can prevent moreover that the overheated cover that arouses of molten iron from warping. The height of the bottom of the side structure wall plate from the ground is greater than 2 meters, the sight of an operator is not blocked, the moving space is large, no influence is caused on command and operation, and the side structure wall plate is easier to use by operators.
As further shown in fig. 7, a buffer labyrinth seal structure 24 is disposed at the butt joint surface of the first independent collecting cover 22 and the second independent collecting cover 22', and the buffer labyrinth seal structure 24 is in seal fit through a concave-convex structure 241, so as to increase the sealing performance of the two bottom pouring collecting covers after butt joint; in addition, the concave part is provided with a rubber pad 242 which plays a role of buffering when the two moving covers are butted.
In addition, for the crown block operator, there is the blind area in the collection cover, consequently for the convenience crown block operator removes the crown block, and avoids appearing unnecessary operation, be provided with the monitor in the pouring collection cover at the bottom of the package, the position of monitor can set up in four apex angle departments of collection cover. To increase visibility, the collection hood is also provided with lighting means inside.
The smoke collecting method of the ladle bottom pouring smoke collecting system comprises the following steps:
a. the first and second independent collection hoods 22 and 22' are separated, the ladle 31 is hoisted by the crane into the pouring area, and after the ladle bottom pouring valve 32 and the feeder head of the sand box 41 are roughly positioned, the two independent ladle bottom pouring collection hoods are closed, as shown in fig. 8.
b. And adjusting the position of the ladle bottom pouring collection cover, butting the smoke outlet 21 of the ladle bottom pouring collection cover with the main pipeline butt joint valve 12, and starting the fan.
c. The control motor 251 at the position of the crown block reserved opening 26 at the top of the ladle bottom pouring collection cover is started, the crown block position is sensed through the crown block sensing and positioning device, the sealing baffle 253 is moved to seal the crown block reserved opening 26, and at the moment, the ladle is hoisted and the sand boxes are sealed in the ladle bottom pouring collection cover.
d. An operator positions the ladle bottom pouring valve 32 and a sand box 41 riser, opens the ladle bottom pouring valve 32, pours molten steel into the sand box and starts pouring; the cover is collected for airtight structure to ladle end pouring this moment, and the smoke and dust of production is all collected by the mouth is collected at the top, does not pour the space in the cover, can cushion the gasification of pouring initial stage core and produce a large amount of smoke and dust and harmful gas.
e. After the first sand box is poured, the crane ladle is commanded by an operator to travel along the inner part of the ladle bottom pouring collection cover with the reserved crown block opening, the motor is controlled to drive the double-side sealing baffle plates to correspondingly travel along with the movement of the crown block under the guidance of the crown block induction positioning device, and the second sand box is poured after the steel ladle is positioned to the next pouring point.
f. When the sand box in the ladle bottom pouring collection cover is completely poured, smoke dust in the cover is exhausted, the ladle bottom pouring collection cover moves on the traveling track 27, and the smoke outlet 21 moves to the next butt-joint valve of the smoke exhaust main pipeline 11.
g. After the butt joint is completed, the steel ladle is moved to a preset pouring position, the butt joint valve 12 of the main smoke exhaust pipeline 11 is opened, and the next pouring cycle is started.
h. When the molten steel in the ladle is used, the smoke in the ladle bottom pouring collection cover is exhausted, the first independent collection cover 22 and the second independent collection cover 22' are separated, and a crown block is driven to separate and replace the ladle.
In order to further reduce the moving and positioning time of the crown block and shorten the molten steel pouring time, when the sand box 41 is arranged in the pouring pit 42 before pouring, a sand box pouring head needs to be linearly arranged along the direction of the ladle bottom pouring collecting cover walking track 27 and is arranged in the middle of the reserved crown block opening 26 of the ladle bottom pouring collecting cover. It can be understood that the arrangement of the casting head of the sand box is not necessarily a straight line, and the casting can be realized by a certain transverse distance, because the crown block can also move transversely, but the amplitude is small, and because the outlet of the bottom casting ladle is generally eccentric, the transverse distance between the bottom casting head and the moving direction of the crane can be adjusted according to the central rotation of the lifting hook of the crown block. It should be noted that the movement of the ladle bottom pouring collection cover and the crown block ladle is commanded by an operator in the cover and is operated by matching with a monitor, and the ladle bottom pouring collection cover and the crown block ladle can move simultaneously or independently.
The device not only is applicable to the sand box according to different foundry goods, can adjust the mould in a flexible way, is equally applicable to the mould of other forms.
Claims (7)
1. The steel ladle bottom pouring smoke dust collecting system is characterized by comprising a main smoke discharging pipeline, a butt joint valve, a bottom pouring collecting cover, a walking track, a reserved opening sealing device and an illuminating and monitoring system;
the ladle bottom pouring collection cover comprises a first independent collection cover and a second independent collection cover, the top of the first independent collection cover is provided with a smoke outlet, a crown block reserved opening and a reserved opening sealing device, and the bottom of the first independent collection cover is provided with a walking device; the smoke outlet is matched with the main pipeline butt joint valve, and the crown block reserved opening is a rectangular notch with three closed sides and one open side;
the reserved opening sealing device comprises a sealing baffle, a tension spring, a control motor, a sliding groove, a contraction elastic rope, a tarpaulin covering film, a rolling rod and a crown block induction positioning device; a sliding groove is formed above the boundary of the crown block reserved opening along the extending direction of the rail, the sealing baffle is positioned above the sliding groove and just covers the crown block reserved opening, the elastic rope is pulled and contracted by controlling the motor to perform telescopic motion, and the tensioning spring is used for assisting in tensioning the sealing baffle; the overhead traveling crane is characterized in that a tarpaulin covering film is further arranged at the reserved opening of the overhead traveling crane, the tarpaulin covering film performs telescopic motion through a rolling rod, is contracted and rolled into a roll at ordinary times, is pulled out along with the sealing baffle when the sealing baffle moves, and is the same as the sealing baffle in size when the sealing baffle is completely unfolded; the overhead traveling crane induction positioning device is a row of magnetic induction overhead traveling crane induction positioners arranged along one side of a reserved opening of an overhead traveling crane, can sense the position of the overhead traveling crane and is interlocked with a control motor to control the telescopic distance of the sealing baffle;
the second independent collecting cover has the same structure as the first independent collecting cover and can freely move on the traveling track; during pouring, the two independent ladle bottom pouring collecting covers are butted into a whole and are symmetrical along a butt joint surface, and the crown block reserved opening is in a rectangular hole shape.
2. The ladle bottom pouring smoke collection system according to claim 1, wherein the first and second independent collection covers are all steel structure wall plates except for the butt joint surface and the crown block reserved opening, and the height of the bottom of each side steel structure wall plate from the ground is more than 2 m.
3. The ladle bottom pouring smoke collection system according to claim 2, wherein a temperature-resistant material is laid inside the steel structure wall plate, and the temperature-resistant material is an aluminum silicate plate.
4. The ladle bottom pouring smoke collection system according to claim 1, wherein a buffer labyrinth structure is arranged at the butt joint surface of the first independent collection cover and the second independent collection cover.
5. The ladle bottom pouring smoke collection system according to claim 4, wherein the buffer labyrinth seal structure is sealed in a matching way through a concave-convex structure, and a rubber pad is arranged at the concave position of the buffer labyrinth seal structure.
6. The ladle bottom pouring smoke dust collecting system according to claim 1, wherein the ladle bottom pouring collecting cover has the same height at each position along the track direction, the cross section perpendicular to the track direction is gradually raised, and the smoke outlet is positioned at the highest position of the cover body.
7. The ladle bottom pouring smoke collection system according to claim 1, wherein the pouring flask arrangement is in the form of a pit, a half pit, and an above ground form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020429703.7U CN211939033U (en) | 2020-03-30 | 2020-03-30 | Steel ladle bottom pouring smoke dust collecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020429703.7U CN211939033U (en) | 2020-03-30 | 2020-03-30 | Steel ladle bottom pouring smoke dust collecting system |
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| Publication Number | Publication Date |
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| CN211939033U true CN211939033U (en) | 2020-11-17 |
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| CN202020429703.7U Active CN211939033U (en) | 2020-03-30 | 2020-03-30 | Steel ladle bottom pouring smoke dust collecting system |
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Effective date of registration: 20231201 Address after: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee after: Qingdao Hailang Intelligent Equipment Co.,Ltd. Address before: No.88 Gangxing Avenue, Huangdao District, Qingdao City, Shandong Province 266400 Patentee before: QINGDAO DOUBLESTAR ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |