CN219103676U - Bottom blowing furnace and smoke outlet water jacket of bottom blowing furnace - Google Patents
Bottom blowing furnace and smoke outlet water jacket of bottom blowing furnace Download PDFInfo
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- CN219103676U CN219103676U CN202222971069.1U CN202222971069U CN219103676U CN 219103676 U CN219103676 U CN 219103676U CN 202222971069 U CN202222971069 U CN 202222971069U CN 219103676 U CN219103676 U CN 219103676U
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- 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
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Abstract
The utility model relates to a bottom blowing furnace and a smoke outlet water jacket of the bottom blowing furnace. Wherein, bottom blowing stove outlet flue water jacket includes: a heat conducting layer; the wear-resistant layer is arranged on the hot surface of the heat conducting layer; a back cladding layer disposed on the cold face of the thermally conductive layer; and a plurality of studs disposed on the back cover configured to be adapted to mount the outlet water jacket to an inner wall of the outlet. The water jacket is formed by multi-layer compounding, so that the high temperature resistance, the abrasion resistance and the corrosion resistance of the water jacket can be greatly improved, the service life of the water jacket can be prolonged, the water jacket is convenient to install, and leakage of smoke can be effectively prevented.
Description
Technical Field
The utility model relates to the field of bottom blowing furnace equipment, in particular to a bottom blowing furnace and a smoke outlet water jacket of the bottom blowing furnace.
Background
The bottom blowing furnace smelting has the advantages of simple proportioning process, strong raw material adaptability and high smelting strength, can realize self-heating smelting, has good working environment, no dust or smoke harm and excellent technical adaptability, can be used in combination with various smelting methods, and is widely applied to smelting of nonferrous metals. Therefore, the bottom blowing furnace is also widely popularized and used.
But the smelting flue gas temperature of the bottom blowing furnace is higher, and the flue gas is required to be cooled by arranging a water jacket at the flue of the bottom blowing furnace. However, the current water jacket is severely worn by flue gas scouring, and the water jacket is easy to leak flue gas to corrode a steel frame of a cold face of the water jacket, so that the service life of the water jacket is influenced. Accordingly, there is an urgent need in the art for a new water jacket.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a bottom blowing furnace smoke outlet water jacket, which comprises the following components: a heat conducting layer; the wear-resistant layer is arranged on the hot surface of the heat conducting layer; a back cladding layer disposed on the cold face of the thermally conductive layer; and a plurality of studs disposed on the back cover configured to be adapted to mount the outlet water jacket to an inner wall of the outlet.
The bottom blowing furnace smoke outlet water jacket is characterized in that the wear-resistant layer comprises a high-temperature-resistant and wear-resistant stainless steel layer, the heat conduction layer comprises a copper layer or a copper alloy layer, and the wear-resistant layer and the heat conduction layer are combined through one of mechanical connection, composite connection, laser cladding and electroplating.
The bottom blowing furnace smoke outlet water jacket comprises the heat conduction layer and the back cladding layer, wherein the heat conduction layer comprises a copper layer or a copper alloy layer, the back cladding layer comprises a corrosion-resistant stainless steel layer, and the back cladding layer and the heat conduction layer are combined through one of mechanical connection, composite connection, laser cladding and electroplating.
The bottom blowing furnace smoke outlet water jacket comprises the smoke guide structure on the wear-resisting layer.
The smoke diversion structure of the smoke outlet water jacket of the bottom blowing furnace is a vertical structure formed by welded steel bars or overlaying welding.
The bottom blowing furnace smoke outlet water jacket comprises the first groove in the heat conduction layer and the second groove in the back coating layer, and the first groove and the second groove correspond to form a plurality of cooling water channels.
The bottom blowing furnace smoke outlet water jacket comprises a plurality of channels formed by drilling holes, and the channels are partially plugged to form a plurality of cooling water channels.
The bottom blowing furnace smoke outlet water jacket comprises a first water channel and a second water channel, wherein the first water channel is approximately U-shaped and is arranged near three edges of the bottom blowing furnace smoke outlet water jacket; the second water jacket is approximately annular and is arranged in the U-shaped part of the first water jacket and is close to one edge of the bottom blowing furnace smoke outlet water jacket.
The thickness of the wear-resistant layer is 3-10mm; the thickness of the heat conduction layer is 50-110mm; the thickness of the back coating is 10-30mm.
According to another aspect of the application, a bottom blowing furnace is provided, which comprises a smoke outlet, and the inner wall of the smoke outlet comprises a plurality of bottom blowing furnace smoke outlet water jackets.
The water jacket is formed by multi-layer compounding, so that the high temperature resistance, the abrasion resistance and the corrosion resistance of the water jacket can be greatly improved, the service life of the water jacket can be prolonged, the water jacket is convenient to install, and leakage of smoke can be effectively prevented.
Drawings
Preferred embodiments of the present utility model will be described in further detail below with reference to the attached drawing figures, wherein:
FIGS. 1A and 1B are schematic views of a water jacket according to one embodiment of the present application; and
fig. 2 is a schematic view of a water jacket according to another embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the application may be practiced. In the drawings, like reference numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to practice the teachings of the present application. It is to be understood that other embodiments may be utilized or structural, logical, or electrical changes may be made to the embodiments of the present application.
The application provides a novel high performance water jacket, it is through the multilayer is compound, can make the water jacket possess good wearability and corrosion resistance, can effectually increase the life of water jacket, has optimized the structure of water course in the water jacket moreover for the water jacket is convenient for make, and the water course is difficult for Fang Sheng to destroy, leads to the water jacket inefficacy, and the water jacket of this application is convenient for install in addition, has solved the risk that current water jacket installation counter bore leaked the flue gas.
The technical scheme of the application is further described through specific embodiments. It should be understood by those skilled in the art that the following descriptions are only for convenience in understanding the technical solutions of the present application and should not be used to limit the scope of protection of the present application.
Fig. 1A and 1B are schematic views of a water jacket according to one embodiment of the present application.
As shown in the figure, the outlet water jacket 100 (hereinafter may be simply referred to as "water jacket") includes a heat conducting layer 110, a wear-resistant layer 120 and a back coating layer 130, which may be disposed on an inner wall of the outlet of the bottom blowing furnace, and may radiate heat from the flue gas of the bottom blowing furnace. Wherein, heat conduction layer 110 can be used for the heat of conduction flue gas, and wearing layer 120 sets up on the hot face of heat conduction layer, and it can increase the wear-resisting performance of heat conduction layer, improves the life of heat conduction layer, and back cladding layer 130 sets up on the cold face of heat conduction layer, and it can be used for supporting the heat conduction layer, improves the intensity of heat conduction layer to can also improve the corrosion resistance of heat conduction layer, thereby can improve the life of heat conduction layer. In some embodiments, the cold face of the thermally conductive layer is the surface of the thermally conductive layer that is remote from the side of the furnace interior; the heat conduction layer has a hot surface which is the surface of the heat conduction layer close to one side in the furnace.
In some embodiments, the thermally conductive layer 110 may include a copper layer or a copper alloy layer, so that the heat exchange efficiency of the thermally conductive layer may be increased. In some embodiments, the material of the heat conducting layer can also be copper or copper alloy, so that the heat conducting efficiency of the heat conducting layer can be greatly increased, the heat exchanging efficiency of the water jacket can be improved, and the service life of the water jacket is prolonged. In some embodiments, the thermally conductive layer may have a thickness of 50-110mm.
In some embodiments, the wear layer 120 may include a high temperature resistant wear resistant steel layer or a stainless steel layer, which may increase the high temperature resistance, wear resistance of the heat conducting layer hot face, which may increase the service life of the water jacket. In some embodiments, the high temperature resistant and wear resistant steel layer or stainless steel layer of the wear resistant layer 120 is remote from the heat conductive layer so as to be close to the furnace interior and in direct contact with the high temperature in the furnace interior, thereby effectively protecting the heat conductive layer. In some embodiments, the material of the wear layer may also be a high temperature resistant wear resistant steel or a stainless steel. In some embodiments, the wear layer may be 3-10mm thick.
In some embodiments, the back cladding 130 includes a corrosion resistant steel layer or a stainless steel layer that can increase the corrosion resistance of the cold side of the thermally conductive layer, prevent the cold side of the thermally conductive layer from being corroded and damaged, protect the thermally conductive layer, and also support the thermally conductive layer, which can increase the strength of the thermally conductive layer and prevent it from being deformed by the high temperature. In some embodiments, the corrosion resistant steel or stainless steel layer of the back cladding is remote from the thermally conductive layer, thereby effectively protecting the thermally conductive layer. In some embodiments, the material of the back cladding may also be corrosion resistant steel or stainless steel. In some embodiments, the thickness of the back cover layer may be 10-30mm.
In some embodiments, the wear layer 120 and/or the back cladding 130 may be combined with the thermally conductive layer by a mechanical connection, a composite connection, laser cladding, electroplating, or the like. In some embodiments, the mechanical connection includes, but is not limited to: mechanical inlays, bolting, welding, etc. In some embodiments, the composite connection includes, but is not limited to: solid-solid composites (e.g., rolling composites, explosive composites, extrusion composites, drawing composites, forging composites, welding composites, diffusion composites, electrical pulse composites, etc.) and solid-liquid composites (e.g., clad casting composites, electroslag clad casting, composite wire casting, reverse solidification composites, dual solidification composites, spray deposition composites, liquid-solid cast-in composites, braze composites, insert casting composites, etc.).
In some embodiments, the water jacket 100 may further include a protective layer 140 disposed on a side of the heat conductive layer adjacent to the interior of the furnace, which may protect the side of the heat conductive layer from direct exposure to high temperature environments, thereby facilitating an increase in the service life of the water jacket. In some embodiments, the protective layer 140 may be stainless steel. In some embodiments, the protective layer may also be disposed on other sides of the thermally conductive layer. For example: keep away from the inside side or both sides of blast furnace to can carry out the complete cladding to the heat conduction layer, can comprehensively protect it. In some embodiments, the protective layer 140 may be disposed on the thermally conductive layer in the same manner as the wear layer and/or the back cover layer is disposed on the thermally conductive layer. According to a preferred embodiment of the application, the protective layer can also be arranged on the heat conducting layer through overlaying, so that the water jacket is convenient to manufacture.
In some embodiments, the water jacket 100 may further include a smoke guiding structure 150, which may be disposed on the wear layer, may guide smoke in the flue, thereby may prevent the smoke from eroding the water jacket, and may effectively improve the service life of the water jacket. In some embodiments, the smoke guiding structure may be a plurality of steel bars, which are arranged on the wear-resistant layer at intervals, and may guide the smoke. In some embodiments, the steel strip may be welded to the wear layer. In some embodiments, the flue gas guiding structure may also be a vertical structure formed by overlaying, and is arranged at intervals, so that flue gas can be guided.
In some embodiments, the water jacket 100 may also include a plurality of studs 160, which may be disposed on the back cover 130, may be used to mount the outlet water jacket to the inner wall of the outlet so that the water jacket counterbore installation may be eliminated and the risk of the counterbore installation causing smoke leakage may be avoided. In some embodiments, the material of the stud 160 may be steel or stainless steel to facilitate the connection between the back cladding layers. In some embodiments, the stud 160 may be disposed on the back cladding by welding.
In some embodiments, the water jacket 100 may further include a cooling water channel 170 that may be configured to receive a cooling medium (e.g., cooling water) therethrough, so as to exchange heat with the heat conductive layer, and may carry heat away from the heat conductive layer, thereby dissipating heat from the heat conductive layer and increasing the service life of the water jacket. In some embodiments, the cooling waterways 170 may include a first waterway 171 and a second waterway 172. Wherein the first water channel 171 is substantially U-shaped and is disposed near and along three edges (an edge near the inside of the furnace and two edges adjacent thereto) of the bottom-blowing furnace outlet water jacket; the second water jacket 172 is generally annular and is disposed inside the first water jacket U-shape and near one edge (away from the edge inside the furnace) of the bottom-blowing furnace outlet water jacket, so that the cooling water channel covers the whole water jacket, and the cooling water channel can radiate heat effectively.
In some embodiments, the cooling water channel may be formed by a thermally conductive layer and a back cover layer. For example: and grooves are formed in the corresponding positions of the cooling water channels, and the heat conducting layer and the back coating layer are connected, so that the grooves in the heat conducting layer and the back coating layer are correspondingly formed into the cooling water channels, the manufacturing difficulty of the cooling water channels can be reduced, and the water jacket is convenient to manufacture. In some embodiments, grooves may be formed in the connected heat conducting layer and back cladding layer, and then a cover plate is added to seal the cooling water channel. For example: and grooving the back coating until reaching the heat conducting layer, and then arranging a cover plate on the back coating to cover the grooving, so that a cooling water channel can be formed.
Of course the cooling water channel may also be formed by a heat conducting layer. Referring to fig. 2, fig. 2 is a schematic view of a water jacket according to another embodiment of the present application.
As shown, the structure of the water jacket 200 is substantially similar to the embodiment of fig. 1, and thus will not be described in detail herein. Only the way in which the cooling water channels are arranged will be described.
In some embodiments, the cooling water channel may be formed by drilling a plurality of interconnected channels into the thermally conductive layer, the plurality of channels being partially plugged to form the cooling water channel. Referring to fig. 2, three channels are transversely drilled in the heat conducting layer, four channels are vertically drilled, the transverse channels and the vertical channels are mutually connected, the channels can be separated through plugs 201-203, two independent cooling water channels can be formed, the ends of the transverse channels are plugged by the plugs 204-208, the cooling water channels can be sealed, and the manufacturing of the cooling water channels is completed.
According to the smoke outlet water jacket, the heat surface of the heat conducting layer and the cold surface of the heat conducting layer are compounded with the wear-resisting layer and the supporting layer, so that the heat surface of the water jacket is resistant to scouring, and the cold surface is resistant to corrosion. The cold surface is stainless steel, and the mounting studs can be directly welded, so that risks of smoke leakage and the like of the original mounting counter bores are eliminated, and the service life of the water jacket is greatly prolonged.
The above embodiments are provided for illustrating the present utility model and not for limiting the present utility model, and various changes and modifications may be made by one skilled in the relevant art without departing from the scope of the present utility model, therefore, all equivalent technical solutions shall fall within the scope of the present disclosure.
Claims (10)
1. The utility model provides a bottom blowing stove smoke outlet water jacket which characterized in that includes:
a heat conducting layer;
the wear-resistant layer is arranged on the hot surface of the heat conducting layer;
a back cladding layer disposed on the cold face of the thermally conductive layer; and
a plurality of studs disposed on the back cladding configured to be adapted to mount the outlet water jacket to an inner wall of an outlet.
2. The bottom-blowing furnace outlet water jacket of claim 1, wherein the wear-resistant layer comprises a high temperature resistant and wear resistant stainless steel layer, the thermally conductive layer comprises a copper layer or a copper alloy layer, and the wear-resistant layer and the thermally conductive layer are combined by one of mechanical connection, composite connection, laser cladding, and electroplating.
3. The bottom-blowing oven exit water jacket of claim 1, wherein the thermally conductive layer comprises a copper layer or a copper alloy layer, the back cladding layer comprises a corrosion resistant stainless steel layer, and the back cladding layer and the thermally conductive layer are combined by one of mechanical connection, composite connection, laser cladding, and electroplating.
4. The bottom-blowing furnace outlet water jacket of claim 1, wherein the wear layer comprises a flue gas guiding structure thereon.
5. The bottom-blowing furnace outlet water jacket of claim 4, wherein the flue gas guiding structure is a vertical structure formed by welded steel bars or overlaying welding.
6. The bottom-blowing furnace outlet water jacket of claim 1, wherein the thermally conductive layer comprises a first groove and the back cover layer comprises a second groove, the first groove and the second groove corresponding to form a plurality of cooling water channels.
7. The bottom-blowing furnace outlet water jacket of claim 1, wherein the heat-conducting layer comprises a plurality of channels formed by drilling, and the channels are partially plugged to form a plurality of cooling water channels.
8. The bottom-blowing furnace outlet water jacket of claim 6 or 7, wherein the cooling water channel comprises a first water channel and a second water channel, the first water channel being substantially U-shaped and disposed adjacent three edges of the bottom-blowing furnace outlet water jacket; the second water jacket is approximately annular and is arranged in the U-shaped part of the first water jacket and is close to one edge of the bottom blowing furnace smoke outlet water jacket.
9. The bottom-blowing furnace outlet flue water jacket of claim 1, wherein the wear-resistant layer has a thickness of 3-10mm; the thickness of the heat conduction layer is 50-110mm; the thickness of the back coating is 10-30mm.
10. A bottom-blowing furnace, comprising a smoke outlet, wherein the inner wall of the smoke outlet comprises a plurality of bottom-blowing furnace smoke outlet water jackets according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222971069.1U CN219103676U (en) | 2022-11-08 | 2022-11-08 | Bottom blowing furnace and smoke outlet water jacket of bottom blowing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222971069.1U CN219103676U (en) | 2022-11-08 | 2022-11-08 | Bottom blowing furnace and smoke outlet water jacket of bottom blowing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219103676U true CN219103676U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222971069.1U Active CN219103676U (en) | 2022-11-08 | 2022-11-08 | Bottom blowing furnace and smoke outlet water jacket of bottom blowing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219103676U (en) |
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2022
- 2022-11-08 CN CN202222971069.1U patent/CN219103676U/en active Active
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhangjiakou Dahaoheshan Steel Structure Engineering Co.,Ltd. Assignor: HEBEI WANFENG METALLURGICAL SPARE PARTS Co.,Ltd. Contract record no.: X2023980039992 Denomination of utility model: A bottom blowing furnace and a water jacket for the smoke outlet of the bottom blowing furnace Granted publication date: 20230530 License type: Common License Record date: 20230817 |