CN219772168U - Converter vaporization flue - Google Patents

Converter vaporization flue Download PDF

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Publication number
CN219772168U
CN219772168U CN202223272735.9U CN202223272735U CN219772168U CN 219772168 U CN219772168 U CN 219772168U CN 202223272735 U CN202223272735 U CN 202223272735U CN 219772168 U CN219772168 U CN 219772168U
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China
Prior art keywords
flue
heat conducting
section flue
conducting plate
converter
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CN202223272735.9U
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Chinese (zh)
Inventor
赵勇龙
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Wuxi Xianglong Global Technology Co ltd
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Wuxi Xianglong Global Technology Co ltd
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Priority to CN202223272735.9U priority Critical patent/CN219772168U/en
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Abstract

The utility model relates to a converter vaporization flue, which comprises a movable smoke hood, wherein a furnace mouth section flue is arranged at the top end of the movable smoke hood, a furnace mouth section fixing support is fixedly arranged at the bottom of the furnace mouth section flue through bolts, the furnace mouth section fixing support is fixedly connected with the movable smoke hood, a middle section flue is arranged at the top end of the furnace mouth section flue, the furnace mouth section flue is connected with the middle section flue through a sealing telescopic connection device, a middle section flue is fixedly arranged at the top end of the middle section flue through bolts, and a tail section flue is fixedly arranged at the top end of the middle section flue through bolts.

Description

Converter vaporization flue
Technical Field
The utility model relates to the technical field of flues, in particular to a converter vaporization flue.
Background
The vaporization flue of the converter, also called as a waste heat boiler, is one of main supporting equipment for steelmaking of the converter. When the equipment works, high-temperature flue gas is collected to the maximum extent, the highest furnace gas temperature and severe and frequent temperature change are born, and the working condition is worst.
The converter vaporization flue is usually formed by connecting a movable smoke hood with a plurality of flues through bolts and nuts, the flue is of a tubular structure formed by connecting a plurality of heated pipes through welding, a frame is welded outside the flue to play a supporting role, the heated pipes are mutually communicated through pipelines welded at two ends, and the flow of cooling water is realized.
Therefore, there is a need for a vaporization flue of a converter with a firm structure and a large heat exchange area.
Disclosure of Invention
The utility model aims to overcome the defects and provide the converter vaporization flue with firm structure and large heat exchange area.
The purpose of the utility model is realized in the following way:
the converter vaporization flue comprises a movable flue cover, a flue mouth section flue is arranged at the top end of the movable flue cover, a flue mouth section fixing support is fixedly arranged at the bottom of the flue mouth section flue through bolts, the flue mouth section fixing support is fixedly connected with the movable flue cover, a middle section flue is arranged at the top end of the flue mouth section flue, the flue mouth section flue is connected with the middle section flue through a sealing telescopic connection device, a middle section flue is fixedly arranged at the top end of the middle section flue through bolts, and a tail section flue is fixedly arranged at the top end of the middle section flue through bolts.
Preferably, the outer wall of the middle section flue is formed by connecting a plurality of heated pipes in a welding mode, and a heat conducting plate is welded and installed on the inner wall of each heated pipe.
Preferably, the heat conducting plate comprises a heat conducting plate body, connecting parts and fins, wherein the connecting parts are arranged at two ends of the heat conducting plate body, and the fins are arranged on the outer wall of the heat conducting plate body.
Preferably, the heat conducting plate main body is of a circular arc plate structure, and the inner wall of the heat conducting plate main body is bonded with the outer wall of the heated pipe and fixed in a welding mode.
Preferably, the connecting parts are rectangular plate structures, and the connecting parts of the heat conducting plates on the inner walls of the two adjacent heated pipes are connected into a whole in a welding mode.
Preferably, the fins are in a circular arc plate structure, and the fins and the heat conducting plate main body are in central symmetry.
Preferably, a ceramic fiber rope is arranged in a gap at the joint of the middle section flue and the middle section flue.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the converter vaporization flue, the heat conducting plates are welded and installed on the inner walls of the heat receiving pipes, each heat conducting plate comprises the heat conducting plate main body, the connecting parts and the fins, the connecting parts are arranged at two ends of the heat conducting plate main body, each connecting part is of a rectangular plate-shaped structure, the connecting parts of the heat conducting plates on the inner walls of two adjacent heat receiving pipes are connected into a whole in a welding mode, the heat conducting plates are welded and installed on the inner walls of the heat receiving pipes and are welded and connected into a whole through the connecting parts, the heat receiving pipes are protected, high-temperature flue gas in the flue is prevented from being directly connected with the heat receiving pipes, the service life of the heat receiving pipes is prolonged, the supporting effect is good, the reinforcing effect is achieved on the interior of the flue, and the overall stability is improved.
2. According to the converter vaporization flue, the fins are arranged on the outer wall of the heat conducting plate main body and are of the arc-shaped plate-shaped structure, and the fins and the heat conducting plate main body are in central symmetry, so that the overall surface area is increased, the heat exchange efficiency is improved, and the waste heat recovery effect is improved.
Drawings
FIG. 1 is a schematic diagram of the front view structure of the vaporization flue of the converter.
FIG. 2 is a schematic side view of the final section of the gasification flue of the converter.
Fig. 3 is a schematic top view of a furnace mouth section fixing support of a vaporization flue of a converter.
FIG. 4 is a schematic diagram of the joint between the middle section flue and the middle section flue of the vaporization flue of the converter.
FIG. 5 is a schematic view of a cross-sectional view of A-A direction of a vaporization flue of a converter according to the present utility model.
FIG. 6 is a schematic view of the B-B directional cross-section structure of the vaporization flue of the converter.
FIG. 7 is a schematic view of the C-C directional cross-section structure of the vaporization flue of the revolving furnace.
FIG. 8 is a schematic view of the D-D directional cross-section structure of the vaporization flue of the converter.
FIG. 9 is a schematic view of E-E directional cross-section structure of the vaporization flue of the converter.
FIG. 10 is a schematic view of a partial structure of a middle section of a vaporization flue of a converter according to the present utility model.
FIG. 11 is a schematic diagram of the vaporization flue of the converter of the present utility model showing the enlarged structure at I.
Fig. 12 is a schematic view of a heat conducting plate structure of a vaporization flue of a converter according to the present utility model.
Wherein: the movable smoke hood 1, a furnace mouth section flue 2, a furnace mouth section fixed support 3, a middle section flue 4, a middle section flue 5, a tail section flue 6, a sealed telescopic connection device 7, a heat receiving pipe 41, a heat conducting plate 42, a heat conducting plate main body 421, a connection part 422 and fins 423.
Detailed Description
Referring to fig. 1 to 12, the vaporization flue of the converter related to the utility model comprises a movable flue cover 1, a furnace mouth section flue 2 is arranged at the top end of the movable flue cover 1, a furnace mouth section fixed support 3 is fixedly arranged at the bottom of the furnace mouth section flue 2 through bolts, the furnace mouth section fixed support 3 is fixedly connected with the movable flue cover 1, a middle section flue 4 is arranged at the top end of the furnace mouth section flue 2, the furnace mouth section flue 2 is connected with the middle section flue 4 through a sealing telescopic connection device 7, a middle section flue 5 is fixedly arranged at the top end of the middle section flue 4 through bolts, a tail section flue 6 is fixedly arranged at the top end of the middle section flue 5 through bolts, the outer wall of the middle section flue 4 is formed by connecting a plurality of heated pipes 41 in a welding mode, a heat conducting plate 42 is fixedly arranged on the inner wall of each heated pipe 41, each heat conducting plate 42 comprises a heat conducting plate main body 421, a connecting part 422 and a connecting part 423, each heat conducting plate 42 is arranged on the outer wall of each heat conducting plate main body 421, each heat conducting plate 42 is welded and connected with each other into a whole through the connecting part 422, the heat conducting plate 41 is directly contacted with the heat conducting pipe 41, and the heat conducting pipe 41 is prevented from being directly contacted with the heat pipe 41, and the service life of the heat pipe 41 is prolonged.
Further, the heat conducting plate body 421 is of a circular arc plate structure, the inner wall of the heat conducting plate body 421 is attached to the outer wall of the heated tube 41 and fixed in a welding mode, the supporting effect is good, the reinforcing effect is achieved on the inside of the flue, and the overall stability is improved.
Further, the connection portion 422 is of a rectangular plate structure, the connection portions 422 of the heat conducting plates 42 on the inner walls of the two adjacent heated tubes 41 are connected into a whole in a welding manner, the fins 423 are of a circular arc plate structure, the fins 423 and the heat conducting plate main body 421 are in central symmetry, the whole surface area is increased, the heat exchange efficiency is improved, and the waste heat recovery effect is improved.
In order to improve the firmness and the tightness of the connection part, a ceramic fiber rope is arranged in a gap at the connection part of the middle section flue 4 and the middle section flue 5, so that the connection of the two is firmer and more stable.
The working principle of the vaporization flue of the converter is as follows: the movable smoke hood 1 has a certain entering stroke, the lifting is convenient, the high-temperature smoke generated by the converter is collected by the movable smoke hood 1, the smoke passes through the smoke channel 2 at the rear furnace mouth, and then flows into the smoke channel 4 at the middle section, the smoke channel 5 at the middle section and the smoke channel 6 at the tail section in sequence, the outer wall of the smoke channel 4 at the middle section is formed by connecting a plurality of heated pipes 41 in a welding mode, in order to improve the firmness and durability in the smoke channel, the heat conducting plate 42 is welded and installed on the inner wall of the heated pipes 41, the heat conducting plate 42 comprises a heat conducting plate main body 421, a connecting part 422 and fins 423, the connecting part 422 is arranged at two ends of the heat conducting plate main body 421, the heat conducting plate 42 is welded and installed on the inner wall of the heated pipes 41 and is welded and connected into a whole through the connecting part 422, the heat conducting plate 41 plays a role in protecting the heat receiving pipes 41, the high-temperature smoke in the smoke channel is prevented from being in direct contact with the heated pipes 41, the service life of the heated pipes 41 is prolonged, cooling water flowing continuously in the heat receiving pipes 41 is heated during the smoke passing, the waste heat recovery is realized, the fins 423 are arranged on the outer wall of the heat conducting plate main body 421, the heat exchanging efficiency is increased, and the heat exchanging efficiency is improved, and the waste heat efficiency is improved.
In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.

Claims (7)

1. The converter vaporization flue is characterized in that: including movable petticoat pipe (1), stove mouth section flue (2) are installed on the top of movable petticoat pipe (1), there is stove mouth section mount (3) stove mouth section flue (2) bottom through bolt fixed mounting, stove mouth section mount (3) and movable petticoat pipe (1) fixed connection, well section flue (4) are installed on the top of stove mouth section flue (2), stove mouth section flue (2) are connected through sealed telescopic connection device (7) with well section flue (4), there is well second section flue (5) on the top of well section flue (4) through bolt fixed mounting, there is last section flue (6) on the top of well second section flue (5) through bolt fixed mounting.
2. The converter gasification tunnel of claim 1, wherein: the outer wall of the middle section flue (4) is formed by connecting a plurality of heated pipes (41) in a welding mode, and a heat conducting plate (42) is welded and installed on the inner wall of each heated pipe (41).
3. The converter gasification tunnel of claim 2, wherein: the heat conducting plate (42) comprises a heat conducting plate main body (421), connecting parts (422) and fins (423), wherein the connecting parts (422) are arranged at two ends of the heat conducting plate main body (421), and the fins (423) are arranged on the outer wall of the heat conducting plate main body (421).
4. A converter gasification tunnel according to claim 3 wherein: the heat conducting plate body (421) is of a circular arc plate-shaped structure, and the inner wall of the heat conducting plate body (421) is bonded with the outer wall of the heated tube (41) and fixed in a welding mode.
5. A converter gasification tunnel according to claim 3 wherein: the connecting parts (422) are of rectangular plate-shaped structures, and the connecting parts (422) of the heat conducting plates (42) on the inner walls of the two adjacent heat receiving pipes (41) are connected into a whole in a welding mode.
6. A converter gasification tunnel according to claim 3 wherein: the fins (423) are of arc-shaped plate structures, and the fins (423) and the heat conducting plate main body (421) are in central symmetry.
7. A converter gasification flue according to claim 1 or 3, wherein: and a ceramic fiber rope is arranged in a gap at the joint of the middle section flue (4) and the middle section flue (5).
CN202223272735.9U 2022-12-07 2022-12-07 Converter vaporization flue Active CN219772168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223272735.9U CN219772168U (en) 2022-12-07 2022-12-07 Converter vaporization flue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223272735.9U CN219772168U (en) 2022-12-07 2022-12-07 Converter vaporization flue

Publications (1)

Publication Number Publication Date
CN219772168U true CN219772168U (en) 2023-09-29

Family

ID=88109167

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223272735.9U Active CN219772168U (en) 2022-12-07 2022-12-07 Converter vaporization flue

Country Status (1)

Country Link
CN (1) CN219772168U (en)

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