CN220288169U - Smelting equipment for manufacturing fine-grain stainless steel material - Google Patents
Smelting equipment for manufacturing fine-grain stainless steel material Download PDFInfo
- Publication number
- CN220288169U CN220288169U CN202321806307.1U CN202321806307U CN220288169U CN 220288169 U CN220288169 U CN 220288169U CN 202321806307 U CN202321806307 U CN 202321806307U CN 220288169 U CN220288169 U CN 220288169U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- furnace body
- smelting furnace
- smelting
- annular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003723 Smelting Methods 0.000 title claims abstract description 53
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 19
- 239000010935 stainless steel Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title claims abstract description 11
- 239000011449 brick Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to smelting equipment for manufacturing fine-grain stainless steel materials, which aims to solve the technical problem that local heat exchange obviously causes large temperature change after the gas preheated by a hot air pipe of a circular furnace enters the furnace, and comprises a smelting furnace body, an air inlet structure and a pipeline bracket; the air inlet structure is sleeved on the smelting furnace body; a plurality of pipeline brackets are arranged between the air inlet structure and the air inlet of the smelting furnace body in an annular array; wherein, the inner cavity of the air inlet structure is communicated with the air inlet of the smelting furnace body through a pipeline bracket. The utility model has the advantages that the contact area between the air inlet structure choke part and the outer wall of the smelting furnace body is increased, the checker bricks of the smelting furnace body fully transfer heat into the annular pipeline to preheat the gas, and the temperature difference between the gas and the interior of the smelting furnace body is reduced.
Description
Technical Field
The utility model relates to the technical field of stainless steel production, in particular to smelting equipment for manufacturing a fine-grain stainless steel material.
Background
Stainless steel is short for stainless acid-resistant steel, is resistant to weak corrosive media such as air, steam, water and the like or steel with stainless property, is called stainless steel, and is prepared by mixing and smelting various metals.
The method is characterized in that various metal raw materials for manufacturing stainless steel are sent into a smelting furnace to be melted into mixed metal liquid, for manufacturing fine-grain stainless steel, the temperature in the smelting furnace is kept relatively stable, an annular furnace hot air pipe is arranged in the existing smelting furnace, gas is sent into the furnace after being preheated through the annular furnace hot air pipe, and because the outer wall of the annular furnace hot air pipe is a curved surface and the contact surface between the annular furnace hot air pipe and the outer wall of the furnace is limited, the temperature of the gas preheated through the annular furnace hot air pipe is not high enough, local heat exchange is obvious after the gas enters the furnace, the temperature change is large, and therefore the manufacturing of the fine-grain stainless steel is affected.
In view of this, we propose a smelting plant for manufacturing fine-grained stainless steel material.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide smelting equipment for manufacturing fine-grain stainless steel materials, so as to solve the technical problem that the temperature change is large due to obvious local heat exchange after the gas preheated by a hot air pipe of a circular furnace enters the furnace.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the smelting equipment for manufacturing the fine-grain stainless steel material comprises a smelting furnace body, an air inlet structure and a pipeline bracket;
the air inlet structure is sleeved on the smelting furnace body; a plurality of pipeline brackets are arranged between the air inlet structure and the air inlet of the smelting furnace body in an annular array; wherein, the inner cavity of the air inlet structure is communicated with the air inlet of the smelting furnace body through a pipeline bracket. Wherein, the choke part of the air inlet structure is attached to the outer wall of the smelting furnace body.
Preferably, the air inlet structure comprises an annular pipeline, a closed annular plate, a furnace sticking annular plate and a choke strip;
an annular pipe; the two closed ring plates are respectively and fixedly arranged at two ends of the inner side of the annular pipeline; the furnace pasting ring plate is fixedly arranged between the inner rings of the two closed ring plates; the choke strips are fixedly arranged on the outer ring wall of the furnace pasting ring plate in an annular array; wherein the inner ring wall of the furnace pasting ring plate is contacted with the outer wall of the smelting furnace body.
Preferably, an air inlet is formed in the outer wall of the annular pipeline, and an air inlet pipe is fixedly arranged on the outer wall of the annular pipeline at the air inlet.
Preferably, an opening in one of the closed ring plates corresponds to and communicates with an opening in one end of the pipe support.
Preferably, the choke strip adopts a trapezoid structure design; wherein, both sides of the choke strip are provided with arc surfaces.
Compared with the prior art, the utility model has the beneficial effects that:
1. the annular pipeline, the closed annular plate and the furnace pasting annular plate are arranged, so that the area of contact with the outer wall of the smelting furnace body is increased, the checker bricks of the smelting furnace body fully transfer heat into the annular pipeline to preheat gas, the temperature difference between the gas and the inner part of the smelting furnace body is reduced, and the problems that the temperature of the gas preheated by the annular furnace hot air pipe is not high enough and the local heat exchange is obvious and the temperature change is large after the gas enters the furnace due to the limited contact surface between the outer wall of the annular furnace hot air pipe and the outer wall of the furnace are solved.
2. According to the utility model, the choke strip is arranged, and the choke strip is used for blocking the introduced gas, so that the gas flow rate is reduced, the gas preheating time is increased, the heat exchange area is further increased by arranging the choke strip with the trapezoid structure and the arc-shaped surface, the gas is effectively preheated, and the gas temperature is increased.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is an exploded view of the air intake structure of the present utility model;
FIG. 3 is a schematic view in partial cross-section of an air intake structure of the present utility model;
FIG. 4 is a schematic view of a choke strip according to the present utility model;
in the figure: 1. a smelting furnace body; 2. an air inlet structure; 3. a conduit bracket;
201. an annular pipe; 202. an air inlet pipe; 203. a closed ring plate; 204. pasting a furnace annular plate; 205. a choke strip; 206. an air inlet;
2051. an arc surface.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1: smelting equipment for manufacturing fine-grained stainless steel material, see fig. 1-4, comprises a smelting furnace body 1, an air inlet structure 2 and a pipeline bracket 3; the air inlet structure 2 is sleeved on the smelting furnace body 1; the pipeline brackets 3 are arranged between the air inlet structure 2 and the air inlet of the smelting furnace body 1 in an annular array; wherein, the inner cavity of the air inlet structure 2 is communicated with the air inlet of the smelting furnace body 1 through a pipeline bracket 3. Wherein, the choke part of the air inlet structure 2 is attached to the outer wall of the smelting furnace body 1; the air inlet structure 2 comprises an annular pipeline 201, a closed annular plate 203, a furnace pasting annular plate 204 and a choke strip 205; an annular duct 201; the two closed ring plates 203 are respectively fixed at two ends of the inner side of the annular pipeline 201; the furnace pasting ring plate 204 is fixedly arranged between the inner rings of the two closed ring plates 203; a plurality of choke strips 205 are fixedly arranged on the outer ring wall of the furnace pasting ring plate 204 in a ring array; wherein, the inner ring wall of the furnace pasting ring plate 204 is contacted with the outer wall of the smelting furnace body 1. The annular pipeline 201, the closed annular plate 203 and the furnace pasting annular plate 204 are arranged, so that the contact area with the outer wall of the smelting furnace body 1 is increased, the checker bricks of the smelting furnace body 1 fully transfer heat into the annular pipeline 201 to preheat gas, the temperature difference between the gas and the interior of the smelting furnace body 1 is reduced, and the problems that the temperature of the gas preheated by the annular furnace hot air pipe is not high enough, local heat exchange is obvious after entering the furnace and the temperature change is large due to the fact that the contact surface between the outer wall of the annular furnace hot air pipe and the furnace outer wall is limited are solved.
Specifically, an air inlet 206 is formed in the outer wall of the annular pipeline 201, and an air inlet pipe 202 is fixedly arranged on the outer wall of the annular pipeline 201 at the air inlet 206. The air inlet pipe 202 is connected with an external blower, and the conveyed air enters the annular pipeline 201 from the air inlet 206 through the air inlet pipe 202.
Further, an opening of the closed ring 203 corresponds to and communicates with an opening of one end of the pipe bracket 3. The preheated gas is discharged from the opening of the closed ring plate 203 and enters the smelting furnace body 1 through the pipeline bracket 3, and the pipeline bracket 3 can also convey the gas while playing a supporting role, so that the practicability is strong.
Still further, the choke strip 205 is designed in a trapezoid structure; wherein, both sides of the choke strip 205 are provided with arc surfaces 2051. According to the utility model, the choke strip 205 is arranged, and the choke strip 205 is used for blocking the introduced gas, so that the gas flow rate is reduced, the gas preheating time is increased, and the heat exchange area is further increased by arranging the choke strip 205 with the trapezoid structure and the arc-shaped surface 2051, so that the gas is effectively preheated, and the gas temperature is increased.
Working principle: by using the device provided by the utility model, air is conveyed by an external blower and enters the annular pipeline 201 from the air inlet 206 through the air inlet pipe 202, heat is transferred to the position of the furnace pasting ring plate 204 by the checker bricks of the smelting furnace body 1, so that the temperature of the furnace pasting ring plate 204 and the choke strip 205 is increased, the air entering the annular pipeline 201 contacts the furnace pasting ring plate 204 and the choke strip 205 for heat exchange, the choke strip 205 is used for blocking the introduced air, so that the air flow rate is reduced, the air preheating time is increased, the heat exchange area is further increased by the arrangement of the choke strip 205 and the arc-shaped surface 2051 of the trapezoid structure, the air is effectively preheated, the air temperature is increased, the preheated air is discharged from the opening on the closed ring plate 203 and enters the smelting furnace body 1 through the pipeline bracket 3, and the temperature difference between the introduced air and the smelting furnace body 1 is reduced.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (5)
1. Smelting equipment for manufacturing fine-grained stainless steel material, comprising a smelting furnace body (1), characterized in that it further comprises:
the air inlet structure (2) is sleeved on the smelting furnace body (1);
a plurality of pipeline brackets (3) which are arranged between the air inlet structure (2) and the air inlet of the smelting furnace body (1) in an annular array;
wherein the inner cavity of the air inlet structure (2) is communicated with the air inlet of the smelting furnace body (1) through a pipeline bracket (3);
wherein, the choke part of the air inlet structure (2) is attached to the outer wall of the smelting furnace body (1).
2. Smelting apparatus for manufacturing fine-grained stainless steel material according to claim 1, characterized in that the air intake structure (2) comprises:
-an annular duct (201);
two closed ring plates (203) respectively fixed at two ends of the inner side of the annular pipeline (201);
the furnace pasting annular plate (204) is fixedly arranged between the inner rings of the two closed annular plates (203);
a plurality of choke strips (205) which are fixedly arranged on the outer ring wall of the furnace pasting ring plate (204) in an annular array;
wherein the inner ring wall of the furnace sticking ring plate (204) is contacted with the outer wall of the smelting furnace body (1).
3. Smelting equipment for manufacturing fine-grained stainless steel according to claim 2, characterized in that the outer wall of the annular pipeline (201) is provided with an air inlet (206), and the outer wall of the annular pipeline (201) at the air inlet (206) is fixedly provided with an air inlet pipe (202).
4. Smelting apparatus for producing fine-grained stainless steel according to claim 2, characterized in that the opening in one of the closed loop plates (203) corresponds to and communicates with an opening in one end of the pipe support (3).
5. Smelting equipment for manufacturing fine-grained stainless steel material according to claim 2, characterized in that the choke strip (205) is of trapezoidal design;
wherein, both sides of the choke strip (205) are provided with arc-shaped surfaces (2051).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806307.1U CN220288169U (en) | 2023-07-11 | 2023-07-11 | Smelting equipment for manufacturing fine-grain stainless steel material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806307.1U CN220288169U (en) | 2023-07-11 | 2023-07-11 | Smelting equipment for manufacturing fine-grain stainless steel material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288169U true CN220288169U (en) | 2024-01-02 |
Family
ID=89338683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321806307.1U Active CN220288169U (en) | 2023-07-11 | 2023-07-11 | Smelting equipment for manufacturing fine-grain stainless steel material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288169U (en) |
-
2023
- 2023-07-11 CN CN202321806307.1U patent/CN220288169U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220288169U (en) | Smelting equipment for manufacturing fine-grain stainless steel material | |
| CN208296584U (en) | A kind of burning facility producing flying dust chelating agent | |
| CN207749077U (en) | A kind of burner of varied angle | |
| CN100552358C (en) | A kind of circular ring-type continuous calcining annealing hearth | |
| CN101543753B (en) | Embedded type cylindrical blast cap | |
| CN207247873U (en) | Electrical heating shaft furnace material forced heat-exchanging device | |
| CN111504062B (en) | Waste heat utilization system for balancing temperature field of cooling section of kiln and using method thereof | |
| CN219934742U (en) | Phase-change air-gas double-preheater | |
| CN114608312A (en) | Method for preheating secondary air of rotary kiln by utilizing high-temperature flue gas of submerged arc furnace | |
| CN202254789U (en) | Annealing kiln for marble production | |
| CN108362135B (en) | Cupola waste heat utilization device | |
| CN207537330U (en) | A kind of cover-plate glass platinum channel throat tubular construction | |
| CN206127345U (en) | Hot -air pipes system with oneself compensation function | |
| CN219390461U (en) | Direct reduction rotary kiln back air supply device | |
| CN216745497U (en) | Exhaust pipeline and system of sintering kiln | |
| CN214830447U (en) | Temporary cooling and purging device for hot air outlet furnace shell of hot blast stove | |
| CN212426084U (en) | Blast furnace cooling wall blocks up clearance mechanism | |
| CN215725017U (en) | Heat exchange tube combustion-supporting hot air self-supply device for furnace top and wall of rotary hearth furnace | |
| CN201273774Y (en) | Inner stove blanking mouth for ore furnace | |
| CN213195605U (en) | Double-preheating baking heat exchange device | |
| CN201916914U (en) | Double-layer tube discharge type slag cooler | |
| CN208762460U (en) | A kind of gasification furnace slag discharge cold slag of vapor ring-type air inlet and control slag device | |
| CN212357284U (en) | Hot-blast furnace is able to bear or endure firebrick and repairs structure | |
| CN220246173U (en) | Blast furnace hot blast stove system | |
| CN215862244U (en) | Hot air spray gun water-cooling three-way device of smelting reduction furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |