CN112129112A - Smoke outlet water jacket and smoke outlet of side-blown converter - Google Patents
Smoke outlet water jacket and smoke outlet of side-blown converter Download PDFInfo
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- CN112129112A CN112129112A CN202010921715.6A CN202010921715A CN112129112A CN 112129112 A CN112129112 A CN 112129112A CN 202010921715 A CN202010921715 A CN 202010921715A CN 112129112 A CN112129112 A CN 112129112A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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Abstract
The invention provides a smoke outlet water jacket and a smoke outlet of a side-blown converter, which comprise a water jacket main body, wherein a cooling water accommodating cavity is arranged in the water jacket main body; a T-shaped structure is arranged at the bottom of the water jacket main body, and the interior of the T-shaped structure is communicated with the bottom of the cooling water accommodating cavity; a brick layer is arranged on one side of the inner wall of the water jacket main body close to the smoke outlet, and the bottom of the brick layer is arranged at the upper end of the T-shaped structure; a tooth-shaped structure is arranged on the smoke outlet side of the water jacket main body, which is close to the smoke outlet, and the inside of the tooth-shaped structure is communicated with the cooling water accommodating cavity. The invention can solve the problems that the water jacket of the existing smoke outlet is directly arranged on the inner side wall of the smoke outlet, the working surface of the water jacket is directly contacted with smoke, the water jacket is easily subjected to the phenomena of water leakage and the like caused by long-term high-temperature smoke washing and frequent cleaning of a bonding object, and the potential safety production hazard and the like are caused.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a smoke outlet water jacket and a smoke outlet of a side-blown converter.
Background
The side-blown converter is a vertical molten pool smelting furnace, and concentrate, flux and fuel, etc. are added into the strongly stirred melt through the charging hole on the top of the furnace. Oxygen-enriched air is blown into the slag layer through the primary air ports on the two sides, the melt is intensively stirred, the added materials are quickly and uniformly distributed in the melt, and the mass and heat transfer process is realized between the melt and the furnace burden and between the blown gas. The smoke generated in the smelting production process is discharged through the smoke outlet, the using state of the smoke outlet is one of key parts for ensuring the continuous production, the smoke outlet is easy to burn and lose due to the erosion and corrosion of high-temperature smoke, particularly sulfur dioxide smoke, and the service life of the smoke outlet is shortened.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a water jacket for a smoke outlet of a side-blown converter and a smoke outlet, so as to solve the problems that the current water jacket for a smoke outlet is directly arranged on the inner side wall of the smoke outlet, the working surface of the water jacket directly contacts with smoke, the water jacket is easily washed by high-temperature smoke for a long time and cleaned by frequent adhesive, and the water jacket leaks easily, which causes potential safety production hazards.
The invention provides a smoke outlet water jacket of a side-blown converter, which comprises a water jacket main body, wherein a cooling water accommodating cavity is arranged inside the water jacket main body, a water inlet and a water outlet are arranged on the outer side wall of the water jacket main body, and the water inlet is arranged below the water outlet; a T-shaped structure is arranged at the bottom of the water jacket main body, and the interior of the T-shaped structure is communicated with the bottom of the cooling water accommodating cavity; a brick layer is arranged on one side of the inner wall of the water jacket main body close to the smoke outlet, and the bottom of the brick layer is arranged at the upper end of the T-shaped structure; a tooth-shaped structure is arranged on the water jacket main body close to the smoke outlet side of the smoke outlet, and the interior of the tooth-shaped structure is communicated with the cooling water accommodating cavity; and a ramming material layer is arranged outside the tooth-shaped structure, one side of the ramming material layer is connected with the gaps between the teeth of the tooth-shaped structure in an embedded manner, and the other side of the ramming material layer is a flat surface.
In addition, it is preferable that the water jacket main body includes at least two water dividing jacket main bodies having the same structure; the water distribution sleeve main bodies are all arranged on the inner side wall of the smoke outlet; and each water distribution sleeve main body is provided with a water inlet and a water outlet.
In addition, the preferable scheme is that a water inlet pipe is arranged at the water inlet; a water outlet pipe is arranged at the water outlet; the water inlet end of the water inlet pipe and the water outlet end of the water outlet pipe are both arranged on the outer side wall of the brick layer.
In addition, the preferable scheme is that a water inlet valve is arranged on the water inlet pipe; and/or a water outlet valve is arranged on the water outlet pipe.
Further, it is preferable that the water jacket main body has the same shape as the inner side wall of the smoke outlet.
In addition, preferably, an ion permeable membrane is arranged at the communication position of the tooth-shaped structure and the cooling water accommodating cavity; and/or an ion permeable membrane is arranged at the communication position of the T-shaped structure and the cooling water containing cavity. Further, it is preferable that a scale-proof coating layer is provided on an inner side wall of the water jacket main body.
In addition, it is preferable that the scale prevention coating is a nano ceramic coating.
Further, it is preferable that the water jacket main body is a copper water jacket.
The invention provides a smoke outlet of a side-blown converter, which comprises a smoke outlet body, wherein the inner side wall of the smoke outlet body is provided with a smoke outlet water jacket of the side-blown converter.
According to the technical scheme, the water jacket of the smoke outlet and the smoke outlet of the side-blown converter, provided by the invention, are characterized in that the brick layer is arranged on one side of the water jacket main body, which is close to the inner wall of the smoke outlet, the tooth-shaped structure is arranged on the water jacket main body, which is close to the smoke outlet, and the ramming material layer is arranged outside the tooth-shaped structure, so that the water jacket main body can be protected, the brick layer plays a role in continuous production, in the production practice, the smoke outlet can be bonded to different degrees and needs to be cleaned, the ramming material layer well protects the water jacket main body, the damage to the water jacket main body in the cleaning process is avoided, and the service life of the water jacket main body is prolonged; the cooling water containing cavity is formed in the water jacket main body, the T-shaped structure is arranged at the bottom of the water jacket main body, the interior of the T-shaped structure is communicated with the bottom of the cooling water containing cavity, and the interior of the tooth-shaped structure is communicated with the cooling water containing cavity, so that the aim of rapidly cooling the high-temperature smoke outlet can be fulfilled, and the service life of the smoke outlet is prolonged; meanwhile, the water jacket main body can be better fixed at the smoke outlet through the design of the T-shaped structure and the tooth-shaped structure, and the water jacket main body is prevented from being displaced due to rolling vibration generated in the smelting process in the furnace.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic structural view of a water jacket of a smoke outlet of a side-blown converter according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a water jacket body according to an embodiment of the invention;
FIG. 3 is an enlarged schematic view of section I of FIG. 2;
FIG. 4 is a top view of a smoke outlet water jacket of a side-blown furnace according to an embodiment of the invention.
In the attached drawing, 1-a water jacket main body, 11-a cooling water containing cavity, 12-a water dividing sleeve main body, 2-a T-shaped structure, 3-a brick layer, 4-a tooth-shaped structure, 5-a ramming material layer, 6-a water inlet pipe, 7-a water outlet pipe, 8-an ion permeable membrane and 9-a scale prevention coating.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
The water jacket of the smoke outlet of the side-blown converter and the smoke outlet are provided aiming at the problems that the prior smoke outlet water jacket is directly arranged on the inner side wall of the smoke outlet, the working surface of the water jacket is directly contacted with smoke, and the water jacket is easily leaked due to long-term high-temperature smoke washing and frequent cleaning of a bonding object, so that potential safety production hazards are caused, and the like.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to illustrate the smoke outlet water jacket and the smoke outlet of the side-blown converter provided by the invention, fig. 1 shows the structure of the smoke outlet water jacket of the side-blown converter in the embodiment of the invention; fig. 2 shows the structure of a water jacket main body of an embodiment of the invention; FIG. 3 shows the structure of section I of FIG. 2; fig. 4 shows a top view structure of a smoke outlet water jacket of the side-blown converter of the embodiment of the invention.
As shown in fig. 1 to 4, the smoke outlet water jacket of the side-blown converter provided by the invention comprises a water jacket main body 1, wherein a cooling water accommodating cavity 11 is arranged in the water jacket main body 1, a water inlet and a water outlet are arranged on the outer side wall of the water jacket main body 1, and the water inlet is arranged below the water outlet; a T-shaped structure 2 is arranged at the bottom of the water jacket main body 1, and the interior of the T-shaped structure 2 is communicated with the bottom of the cooling water accommodating cavity 11; a brick body layer 3 is arranged on one side of the inner wall of the water jacket main body 1 close to the smoke outlet, and the bottom of the brick body layer 3 is arranged at the upper end of the T-shaped structure 2; a tooth-shaped structure 4 is arranged on the smoke outlet side of the water jacket main body 1 close to the smoke outlet, and the interior of the tooth-shaped structure 4 is communicated with the cooling water accommodating cavity 11; a ramming material layer 5 is arranged outside the tooth-shaped structure 4, one side of the ramming material layer 5 is connected with the gaps between the teeth of the tooth-shaped structure 4 in an embedded manner, and the other side of the ramming material layer is a flat surface.
The brick body layer 3 is arranged on one side, close to the inner wall of the smoke outlet, of the water jacket main body 1, the tooth-shaped structure 4 is arranged on the smoke outlet side, close to the smoke outlet, of the water jacket main body 1, the ramming material layer 5 is arranged outside the tooth-shaped structure 4, the water jacket main body 1 can be protected, and the brick body layer 3 plays a role in continuous production; the cooling water containing cavity 11 is formed in the water jacket main body 1, the T-shaped structure 2 is arranged at the bottom of the water jacket main body 1, the interior of the T-shaped structure 2 is communicated with the bottom of the cooling water containing cavity 11, and the interior of the tooth-shaped structure 4 is communicated with the cooling water containing cavity 11, so that the aim of rapidly cooling a high-temperature smoke outlet can be fulfilled, and the service life of the smoke outlet is prolonged; meanwhile, the water jacket main body 1 can be better fixed at a smoke outlet through the design of the T-shaped structure 2 and the tooth-shaped structure 4, and the water jacket main body is prevented from being displaced due to rolling vibration generated in the smelting process in the furnace.
As a preferable scheme of the invention, the water jacket main body 1 comprises at least two water dividing jacket main bodies 12 with the same structure; the water distribution sleeve main bodies 12 are all arranged on the inner side wall of the smoke outlet; a water inlet and a water outlet are arranged on each water distribution sleeve main body 12. According to the size and the shape of the smoke outlet, the water jacket main body 1 can be divided into a plurality of water diversion jacket main bodies 12, a water inlet and a water outlet are formed in each water diversion jacket main body 12, cooling water circulation can be accelerated, and in actual work, cooling work of different water diversion jacket main bodies 12 can be controlled according to needs.
As the preferred scheme of the invention, a water inlet pipe 6 is arranged at the water inlet; a water outlet pipe 7 is arranged at the water outlet; the water inlet end of the water inlet pipe 6 and the water outlet end of the water outlet pipe 7 are both arranged on the outer side wall of the brick body layer 3. Cooling water is conveniently introduced into the cooling water containing cavity 11 and discharged through the water inlet pipe 6 and the water outlet pipe 7; the water inlet end of the water inlet pipe 6 and the water outlet end of the water outlet pipe 7 are both arranged on the outer side wall of the brick body layer 3, so that the operation is convenient.
As the preferred scheme of the invention, a water inlet valve is arranged on the water inlet pipe 6; and/or a water outlet valve is arranged on the water outlet pipe 7. The cooling circulating water can be conveniently controlled to work through the water inlet valve and the water outlet valve.
As a preferable aspect of the present invention, the water jacket body 1 has the same shape as the inner side wall of the smoke outlet. In order to conveniently install the water jacket main body 1 on the inner side wall of the smoke outlet, the overall shape of the water jacket main body 1 is designed to be the same as that of the inner side wall of the smoke outlet, for example, the water jacket main body 1 is installed on four inner side walls of a square smoke outlet, and the overall shape of the water jacket main body 1 is the same as that of the square smoke outlet; the smoke outlet can also be a circular smoke outlet, and for the circular smoke outlet, the water jacket main body 1 is installed on the inner side wall of the circular smoke outlet, and the whole shape of the water jacket main body 1 is circular.
As the preferred scheme of the invention, an ion permeable membrane 8 is arranged at the communication part of the tooth-shaped structure 4 and the cooling water containing cavity 11; and/or an ion permeable membrane 8 is arranged at the communication part of the T-shaped structure 2 and the cooling water containing cavity 11. Ions in the cooling water easily form scale on the metal surface under the heat exchange condition, and the ions in the cooling water entering the cooling water accommodating cavity 11 can be prevented from entering the tooth-shaped structures 4 and the T-shaped structures 2 through the ion permeable membrane 8, so that the ions in the cooling water are prevented from forming scale on the inner walls of the tooth-shaped structures 4 and the T-shaped structures 2.
As a preferable aspect of the present invention, a scale-preventive coating 9 is provided on the inner side wall of the water jacket main body 1. The scale formation of the cooling water inside the water jacket main body 1 can be avoided by the scale-preventive coating 9.
As a preferred embodiment of the present invention, the scale-preventive coating 9 is a nano ceramic coating. The scale-proof coating 9 is preferably a nano ceramic coating which has good scale-releasing effect, high temperature resistance and good thermal conductivity, and can be replaced by other scale-proof coatings such as polytetrafluoroethylene coatings.
As a preferable embodiment of the present invention, the water jacket body 1 is a copper water jacket. The copper water jacket has high thermal conductivity, and the high-temperature melt is cooled on the inner wall surface of the smoke outlet and falls into the furnace through the cooling effect of the copper water jacket, so that the adhesion of splashed objects on the surface of the smoke outlet is reduced.
The smoke outlet of the side-blown converter provided by the invention comprises a smoke outlet body, wherein the smoke outlet water jacket of the side-blown converter is arranged on the inner side wall of the smoke outlet body.
According to the smoke outlet water jacket and the smoke outlet of the side-blown converter, the brick layer is arranged on one side, close to the inner wall of the smoke outlet, of the water jacket main body, the tooth-shaped structure is arranged on the smoke outlet side, close to the smoke outlet, of the water jacket main body, and the ramming material layer is arranged outside the tooth-shaped structure, so that the water jacket main body can be protected, the brick layer plays a role in continuous production, in the production practice, the smoke outlet can be bonded to different degrees and needs to be cleaned, the ramming material layer well protects the water jacket main body, the damage to the water jacket main body in the cleaning process is avoided, and the service life of the water jacket main body is prolonged; the cooling water containing cavity is formed in the water jacket main body, the T-shaped structure is arranged at the bottom of the water jacket main body, the interior of the T-shaped structure is communicated with the bottom of the cooling water containing cavity, and the interior of the tooth-shaped structure is communicated with the cooling water containing cavity, so that the aim of rapidly cooling the high-temperature smoke outlet can be fulfilled, and the service life of the smoke outlet is prolonged; meanwhile, the water jacket main body can be better fixed at the smoke outlet through the design of the T-shaped structure and the tooth-shaped structure, and the water jacket main body is prevented from being displaced due to rolling vibration generated in the smelting process in the furnace.
The smoke outlet water jacket and the smoke outlet of the side-blown converter proposed according to the present invention are described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the smoke outlet water jacket and the smoke outlet of the side-blown converter proposed by the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (10)
1. A water jacket of a smoke outlet of a side-blown converter comprises a water jacket main body and is characterized in that,
a cooling water accommodating cavity is arranged inside the water jacket main body, a water inlet and a water outlet are arranged on the outer side wall of the water jacket main body, and the water inlet is arranged below the water outlet;
a T-shaped structure is arranged at the bottom of the water jacket main body, and the interior of the T-shaped structure is communicated with the bottom of the cooling water accommodating cavity;
a brick layer is arranged on one side of the inner wall of the water jacket main body close to the smoke outlet, and the bottom of the brick layer is arranged at the upper end of the T-shaped structure;
a tooth-shaped structure is arranged on the water jacket main body close to the smoke outlet side of the smoke outlet, and the interior of the tooth-shaped structure is communicated with the cooling water accommodating cavity;
and a ramming material layer is arranged outside the tooth-shaped structure, one side of the ramming material layer is connected with the gaps between the teeth of the tooth-shaped structure in an embedded manner, and the other side of the ramming material layer is a flat surface.
2. The side-blown converter's outlet jacket according to claim 1,
the water jacket main body comprises at least two water distribution jacket main bodies with the same structure;
the water distribution sleeve main bodies are all arranged on the inner side wall of the smoke outlet;
and each water distribution sleeve main body is provided with a water inlet and a water outlet.
3. The side-blown converter's outlet jacket according to claim 1,
a water inlet pipe is arranged at the water inlet;
a water outlet pipe is arranged at the water outlet;
the water inlet end of the water inlet pipe and the water outlet end of the water outlet pipe are both arranged on the outer side wall of the brick layer.
4. The side-blown converter's outlet jacket according to claim 1,
a water inlet valve is arranged on the water inlet pipe; and/or the presence of a gas in the gas,
and a water outlet valve is arranged on the water outlet pipe.
5. The side-blown converter's outlet jacket according to claim 1,
the water jacket main body is the same as the inner side wall of the smoke outlet in shape.
6. The side-blown converter's outlet jacket according to claim 1,
an ion permeable membrane is arranged at the communication position of the tooth-shaped structure and the cooling water accommodating cavity; and/or the presence of a gas in the gas,
and an ion permeable membrane is arranged at the communication position of the T-shaped structure and the cooling water accommodating cavity.
7. The side-blown converter's outlet jacket according to claim 1,
and a scale-proof coating is arranged on the inner side wall of the water jacket main body.
8. The side-blown converter's outlet jacket according to claim 7,
the scale-proof coating is a nano ceramic coating.
9. The side-blown converter's outlet jacket according to claim 1,
the water jacket main body is a copper water jacket.
10. A smoke outlet of a side-blown converter, which comprises a smoke outlet body, and is characterized in that a smoke outlet water jacket of the side-blown converter according to any one of claims 1 to 9 is arranged on the inner side wall of the smoke outlet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921715.6A CN112129112A (en) | 2020-09-04 | 2020-09-04 | Smoke outlet water jacket and smoke outlet of side-blown converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921715.6A CN112129112A (en) | 2020-09-04 | 2020-09-04 | Smoke outlet water jacket and smoke outlet of side-blown converter |
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| Publication Number | Publication Date |
|---|---|
| CN112129112A true CN112129112A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010921715.6A Pending CN112129112A (en) | 2020-09-04 | 2020-09-04 | Smoke outlet water jacket and smoke outlet of side-blown converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720148A (en) * | 2021-11-03 | 2021-11-30 | 中国恩菲工程技术有限公司 | Side-blown furnace |
-
2020
- 2020-09-04 CN CN202010921715.6A patent/CN112129112A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720148A (en) * | 2021-11-03 | 2021-11-30 | 中国恩菲工程技术有限公司 | Side-blown furnace |
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