CN116618405B - Special combined smoke-removing dust-collecting equipment for stokehole spheroidization - Google Patents
Special combined smoke-removing dust-collecting equipment for stokehole spheroidization Download PDFInfo
- Publication number
- CN116618405B CN116618405B CN202310620217.1A CN202310620217A CN116618405B CN 116618405 B CN116618405 B CN 116618405B CN 202310620217 A CN202310620217 A CN 202310620217A CN 116618405 B CN116618405 B CN 116618405B
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- Prior art keywords
- molten iron
- smoke
- shaped
- dust
- welded
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 170
- 239000000428 dust Substances 0.000 claims abstract description 94
- 229910052742 iron Inorganic materials 0.000 claims abstract description 85
- 239000000779 smoke Substances 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 230000008018 melting Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000003723 Smelting Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 239000003517 fume Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 101100043261 Caenorhabditis elegans spop-1 gene Proteins 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005563 spheronization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D45/00—Equipment for casting, not otherwise provided for
- B22D45/005—Evacuation of fumes, dust or waste gases during manipulations in the foundry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Abstract
The invention discloses special combined smoke-removing dust-collecting equipment for stokehole spheroidization, which comprises a roll-over stand, a molten iron smelting furnace, a C-shaped smoke dust suction hood, a molten iron spheroidization dust suction mechanism and a suction pipe, wherein the molten iron smelting furnace is arranged on the roll-over stand and is used for pouring molten iron through the roll-over stand; the C-shaped smoke dust suction hood is combined with the molten iron spheroidizing dust collection mechanism to capture smoke dust in a near mode, a conventional large dust suction hood in the prior art can be replaced, smoke dust generated during pouring of molten iron can be effectively sucked, smoke dust generated by high-speed heat jet flow and instant expansion of molten iron in a spheroidizing process can be effectively sucked, in addition, the C-shaped smoke dust suction hood is combined with the molten iron spheroidizing dust collection mechanism to capture smoke dust in a near mode, air quantity can be reduced, and the energy-saving and environment-friendly advantages are achieved.
Description
Technical Field
The invention particularly relates to special combined smoke-removing dust-collecting equipment for stokehole spheroidization.
Background
In the foundry industry, when steel (or iron) is smelted, especially spheroidal graphite cast iron is produced, rare earth magnesium is added into a molten iron transfer pot containing molten iron, and molten iron is directly poured into the ladle to carry out spheroidizing treatment, and the spheroidizing treatment is carried out in the stokehole. In the molten iron transfer pot, a large amount of white dense smoke of magnesium oxide and rare earth elements is instantaneously generated, and is accompanied by strong flash, strong high-temperature smoke jet flow of a molten iron transfer pot opening is upward, dense smoke is scattered in a four-direction mode, the spheroidizing process is carried out for a long time, but the temperature of smoke is higher than or equal to 1380 ℃ and is estimated by expansion at 273 ℃ by one time, the volume expansion of the high-concentration smoke is nearly five times higher, and the whole workshop is filled in a short time under the action of transverse airflow, so that the pollution influence is greatly caused to post operators.
In the prior art, the equipment for independently carrying out auxiliary collection by adopting the semi-closed chamber of the spheroidizing station needs to carry out smoke dust suction treatment on the whole workshop, the required air quantity is large, and the larger the air quantity is, the more exhaust fans are required to operate simultaneously, the larger the electricity consumption is, which is unfavorable for environmental protection and energy saving, and in the actual use process, the smoke dust cannot be sufficiently sucked and treated, and the great pollution influence is still caused on post operators.
Disclosure of Invention
In view of the above, the invention aims to provide the special energy-saving and environment-friendly combined smoke-removing dust-collecting equipment for the stokehole spheroidization, which combines the C-shaped smoke dust suction hood with the molten iron spheroidization dust-collecting mechanism to capture smoke dust closely, effectively reduces the air quantity and improves the smoke dust treatment effect.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the special combined smoke-removing dust-collecting equipment for stokehole spheroidization comprises a roll-over stand, a molten iron furnace which is arranged on the roll-over stand and is used for pouring molten iron through the roll-over stand, a C-shaped smoke dust suction hood which is fixedly arranged on the roll-over stand and is positioned above the molten iron furnace, a molten iron spheroidization dust-collecting mechanism which is positioned in front of the roll-over stand, and a suction pipe which is communicated with the C-shaped smoke dust suction hood and the molten iron spheroidization dust-collecting mechanism.
Further, the C-shaped smoke dust suction hood comprises a C-shaped hood body with suction ports at two ends, an air pipe movable joint arranged at one side of the C-shaped hood body and communicated with the C-shaped hood body, and a plurality of C-shaped hood mounting seats welded below the outer part of the C-shaped hood body and uniformly distributed, wherein the middle part of the C-shaped hood body corresponds to an opening of the molten iron melting furnace, and the opening of the C-shaped hood body corresponds to a position of the turnover frame for pouring molten iron after the molten iron melting furnace is turned over.
Further, a guide plate is arranged in the C-shaped housing, the guide plate extends to the other end of the C-shaped housing from the air pipe movable joint, and the two suction ports of the C-shaped housing are provided with the screen plates.
Preferably, the molten iron spheroidizing dust collection mechanism comprises a steel frame, a smoke dust suction hood arranged above the steel frame, and a molten iron tank arranged above the smoke dust suction hood.
Further, a plurality of steel frame clamping seats are arranged above the steel frame and evenly distributed around the side of the steel frame.
Further, the smoke and dust suction hood comprises an air pipe fixing joint, a circular dust collection shell integrally formed with the air pipe fixing joint, a steel plate welded on the side of the circular dust collection shell and matched with the steel frame, and a smoke and dust suction pipe integrally formed with the air pipe fixing joint and extending to the upper part of the circular dust collection shell.
Further, air pipe fixing joint installation clamping seats are welded below two sides of the air pipe fixing joint, the air pipe fixing joint installation clamping seats can enable the air pipe fixing joint to be stably assembled on the steel frame, a hole in the middle of the circular dust collection shell is a molten iron flowing hole, a mesh plate is welded on the inner side of the circular dust collection shell around the molten iron flowing hole, the mesh plate is welded on the molten iron flowing hole to form a round table-shaped molten iron flowing hole with a small upper end opening and a large lower end opening, and three shell supporting frames are welded on the circular dust collection shell.
Furthermore, the lower part of the steel plate is welded with channel steel, and the upper end is welded with a steel plate mounting seat.
Further, the molten iron tank comprises a tank body, a tank side supporting frame uniformly welded below the outer side of the tank body, and a round hole formed in the bottom of the tank body.
Preferably, the suction pipe comprises two pipe bodies which are communicated with an external high-pressure exhaust fan in parallel, and connecting flanges which are welded at the tail ends of the two pipe bodies respectively, wherein an extension pipe barrel is welded on the connecting flange of the pipe body which is communicated with the C-shaped smoke suction cover.
The C-shaped smoke dust suction hood is combined with the molten iron spheroidizing dust collection mechanism to capture smoke dust in a near mode, a conventional large dust suction hood in the prior art can be replaced, smoke dust generated during pouring of molten iron can be effectively sucked, smoke dust generated by high-speed heat jet flow and instant expansion of molten iron in a spheroidizing process can be effectively sucked, in addition, the C-shaped smoke dust suction hood is combined with the molten iron spheroidizing dust collection mechanism to capture smoke dust in a near mode, air quantity can be reduced, and the energy-saving and environment-friendly advantages are achieved.
Drawings
FIG. 1 is a block diagram of a special combined smoke removal and dust collection device for stokehole spheroidization;
FIG. 2 is a block diagram of the C-shaped smoke suction hood of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a block diagram of the molten iron spheronization dust extraction mechanism of FIG. 1;
FIG. 5 is a block diagram of the smoke suction hood of FIG. 4;
FIG. 6 is a bottom view of FIG. 5;
FIG. 7 is a view showing a construction of the molten iron tank of FIG. 4;
fig. 8 is a structural view of the suction tube of fig. 1.
Detailed Description
The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.
In this embodiment, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right", "left", "upper", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention.
In this embodiment, if not specifically described, the members may be connected or fixed by bolts, pins, or the like, which are commonly used in the prior art, and therefore, the details thereof will not be described in this embodiment.
Examples
The special combined smoke-removing dust-collecting equipment for stokehold spheroidization is shown in fig. 1, and comprises a roll-over stand 1, a molten iron furnace 2 which is arranged on the roll-over stand 1 and is used for pouring molten iron through the roll-over stand 1, a C-shaped smoke dust suction hood 3 which is fixedly arranged on the roll-over stand 1 and is positioned above the molten iron furnace 2, a molten iron spheroidization dust suction mechanism 4 which is positioned in front of the roll-over stand 1, and a suction pipe 5 which is communicated with the C-shaped smoke dust suction hood 3 and the molten iron spheroidization dust suction mechanism 4.
As shown in fig. 2-3, the C-shaped fume suction hood 3 comprises a C-shaped hood 31 with suction ports at both ends, an air pipe movable joint 32 mounted on one side of the C-shaped hood 31 and communicated with the C-shaped hood 31, and a plurality of C-shaped hood mounting seats 33 welded below the outer part of the C-shaped hood 31 and uniformly distributed, wherein the middle part of the C-shaped hood 31 corresponds to the opening of the molten iron melting furnace 2, and the opening of the C-shaped hood 31 corresponds to the position of the roll-over stand 1 for pouring molten iron after the molten iron melting furnace 2 is turned over. The inside of the C-shaped housing 31 is provided with a guide plate 311, the guide plate 311 extends to the other end of the C-shaped housing 31 from the air pipe movable joint 32, and the inside of the C-shaped housing 31 can be separated into different air channels through the guide plate 311, so that the suction force of the C-shaped housing 31 is uniform, smoke dust generated by high-temperature evaporation of air moisture of molten iron is effectively sucked, the suction ports at the two ends of the C-shaped housing 31 are provided with a screen plate 312, and sundries are prevented from entering the inside of the C-shaped housing 31 through the screen plate 312.
As shown in fig. 4 to 7, the molten iron spheroidizing dust collection mechanism 4 includes a steel frame 41, a fume suction hood 42 fitted over the steel frame 41, and a molten iron bath 43 fitted over the fume suction hood 42. A plurality of steel frame clamping seats 41 are arranged above the steel frames 41, and the steel frame clamping seats 41 are uniformly distributed around the side sides of the steel frames 41, so that the smoke dust suction hood 42 can be stably installed. The smoke suction hood 42 comprises an air pipe fixing joint 421, a circular ring dust suction shell 422 integrally formed with the air pipe fixing joint 421, a steel plate 423 welded on the side of the circular ring dust suction shell 422 and matched with the steel frame 41, and a smoke suction pipe 424 integrally formed with the air pipe fixing joint 421 and extending to the upper part of the circular ring dust suction shell 422. The air pipe fixing connector mounting clamping bases 4211 are welded below two sides of the air pipe fixing connector 421, the air pipe fixing connector mounting clamping bases 4211 can enable the air pipe fixing connector 421 to be stably assembled on the steel frame 41, holes in the middle of the circular ring dust collection shell 422 are molten iron flowing holes, mesh plates 4221 are welded on the inner side of the circular ring dust collection shell 422 around the molten iron flowing holes, the mesh plates 4221 are welded on the molten iron flowing holes to form round table-shaped molten iron flowing holes with small upper end openings and large lower end openings, the suction area of the circular ring dust collection shell 422 can be increased, smoke dust suction efficiency is improved, three shell supporting legs 4223 are welded on the circular ring dust collection shell 422, the molten iron groove 43 is stably supported through the shell supporting legs 4223, two of the three shell supporting legs 4223 are symmetrically arranged and used for being matched with groove side supporting legs 432 welded on the longer side of the molten iron groove 43, and the third one of the three shell supporting legs is matched with groove side supporting legs 432 welded on the shorter side of the molten iron groove 43. The steel plate 423 is welded with a channel steel 4231 below, the upper end of the steel plate 423 is welded with a steel plate mounting seat 4232, the steel plate 423 is matched with the steel frame 41 through the channel steel 4231, and the steel plate mounting seat 4232 is matched with the molten iron groove 43. The molten iron tank 43 comprises a tank body 43, tank side supporting legs 432 which are evenly welded below the outer side of the tank body 43, and a round hole 433 which is formed in the inner bottom of the tank body 43, specifically, the tank body 43 seals a molten iron flowing hole in the middle of the circular dust collection shell 422, meanwhile, the round hole 433 at the inner bottom of the tank body 43 corresponds to the molten iron flowing hole, when the molten iron is poured out through the overturning of the molten iron melting furnace 2, after the molten iron passes through the round hole 433, smoke dust generated by the high-temperature spheroidization in the space of the circular dust collection shell 422 is blocked by the tank body 43 and does not drift, and the molten iron is rapidly pumped through the circular dust collection shell 422.
In the actual smoke dust suction process, the ring dust collection shell 422 sucks the smoke dust generated by the molten iron balling below the molten iron tank 43, and the smoke dust suction pipe 424 sucks the smoke dust generated by the molten iron balling above the molten iron tank 43, so that a large amount of smoke dust can be prevented from drifting in a workshop in a two-stage smoke dust suction treatment approach mode, and the body harm to post operators can be reduced.
As shown in fig. 8, referring to fig. 1-3, the suction pipe 5 includes two pipe bodies 51 connected with an external high-pressure exhaust fan in parallel, and connecting flanges 52 welded at the ends of the two pipe bodies 51, wherein an extending pipe barrel 53 is welded on the connecting flanges of the pipe bodies connected with the C-shaped dust suction hood 3, specifically, the pipe bodies 51 connected with the molten iron spheroidizing dust suction mechanism 4 are fixedly connected with the air pipe fixing joint 421 through the connecting flanges 52, and the connecting flanges of the pipe bodies connected with the C-shaped dust suction hood 3 extend to the inside of the air pipe movable joint 32 through the extending pipe barrel 53 and are in clearance fit with the air pipe movable joint 32, so that the C-shaped dust suction hood 3 can be turned along with the turning frame 1 conveniently, and the extending pipe barrel 53 extends to the inside of the air pipe movable joint 32 even if a clearance exists, so that the suction force is not affected.
The C-shaped smoke dust suction hood is combined with the molten iron spheroidizing dust collection mechanism to capture smoke dust in a near mode, a conventional large dust suction hood in the prior art can be replaced, smoke dust generated during pouring of molten iron can be effectively sucked, smoke dust generated by high-speed heat jet flow and instant expansion of molten iron in a spheroidizing process can be effectively sucked, in addition, the C-shaped smoke dust suction hood is combined with the molten iron spheroidizing dust collection mechanism to capture smoke dust in a near mode, air quantity can be reduced, and the energy-saving and environment-friendly advantages are achieved.
Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (5)
1. The special combined smoke-removing dust-collecting equipment for stokehold spheroidization is characterized in that: the device comprises a turnover frame, a molten iron furnace, a C-shaped smoke dust suction hood, a molten iron spheroidizing dust suction mechanism and a suction pipe, wherein the molten iron furnace is arranged on the turnover frame and is used for pouring molten iron through the turnover frame; the C-shaped smoke dust suction hood comprises a C-shaped hood body with suction ports at two ends, an air pipe movable joint arranged at one side of the C-shaped hood body and communicated with the C-shaped hood body, and a plurality of C-shaped hood body mounting seats welded below the outer part of the C-shaped hood body and uniformly distributed, wherein the middle part of the C-shaped hood body corresponds to an opening of a molten iron melting furnace, and the opening of the C-shaped hood body corresponds to a position of a turnover frame for pouring molten iron after the molten iron melting furnace is turned over; the molten iron spheroidizing dust collection mechanism comprises a steel frame, a smoke dust suction hood arranged above the steel frame and a molten iron tank arranged above the smoke dust suction hood; the smoke dust suction hood comprises an air pipe fixing joint, a circular dust collection shell integrally formed with the air pipe fixing joint, a steel plate welded on the side of the circular dust collection shell and matched with the steel frame, and a smoke dust suction pipe integrally formed with the air pipe fixing joint and extending to the upper part of the circular dust collection shell; the lower parts of two sides of the air pipe fixing joint are welded with air pipe fixing joint mounting clamping seats, the air pipe fixing joint mounting clamping seats can enable the air pipe fixing joint to be stably assembled on a steel frame, a hole in the middle of the circular dust collection shell is a molten iron flowing hole, a mesh plate is welded on the inner side of the circular dust collection shell around the molten iron flowing hole, the mesh plate is welded on the molten iron flowing hole to form a round table-shaped molten iron flowing hole with a small upper end opening and a large lower end opening, and three shell supporting frames are welded on the circular dust collection shell; the molten iron tank comprises a tank body, a tank side supporting frame uniformly welded below the outer side of the tank body, and a round hole formed in the bottom of the tank body.
2. The special combined smoke-removing dust-collecting device for stokehole spheroidization according to claim 1, wherein: the inside of the C-shaped housing is provided with a guide plate, the guide plate extends to the other end of the C-shaped housing from the air pipe movable joint, and the two ends of the C-shaped housing are provided with screen plates.
3. The special combined smoke-removing dust-collecting device for stokehole spheroidization according to claim 1, wherein: a plurality of steel frame clamping seats are arranged above the steel frame and are uniformly distributed around the side of the steel frame.
4. The special combined smoke-removing dust-collecting device for stokehole spheroidization according to claim 1, wherein: the lower part of the steel plate is welded with channel steel, and the upper end is welded with a steel plate mounting seat.
5. The special combined smoke-removing dust-collecting device for stokehole spheroidization according to claim 1, wherein: the suction pipe comprises two pipe bodies which are communicated with an external high-pressure exhaust fan in parallel, and connecting flanges which are welded at the tail ends of the two pipe bodies respectively, wherein an extension pipe barrel is welded on the connecting flange of the pipe body which is communicated with the C-shaped smoke suction cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310620217.1A CN116618405B (en) | 2023-05-29 | 2023-05-29 | Special combined smoke-removing dust-collecting equipment for stokehole spheroidization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310620217.1A CN116618405B (en) | 2023-05-29 | 2023-05-29 | Special combined smoke-removing dust-collecting equipment for stokehole spheroidization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116618405A CN116618405A (en) | 2023-08-22 |
| CN116618405B true CN116618405B (en) | 2024-03-26 |
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|---|---|---|---|
| CN202310620217.1A Active CN116618405B (en) | 2023-05-29 | 2023-05-29 | Special combined smoke-removing dust-collecting equipment for stokehole spheroidization |
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| CN (1) | CN116618405B (en) |
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| CN206469719U (en) * | 2017-02-14 | 2017-09-05 | 岳阳市金扶羊新材料技术有限公司 | A kind of smelting furnace fire door c-type dust exhaust apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116618405A (en) | 2023-08-22 |
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