CN217149274U - Furnace hearth convection plate for furnace and hood-type annealing furnace - Google Patents
Furnace hearth convection plate for furnace and hood-type annealing furnace Download PDFInfo
- Publication number
- CN217149274U CN217149274U CN202220018297.4U CN202220018297U CN217149274U CN 217149274 U CN217149274 U CN 217149274U CN 202220018297 U CN202220018297 U CN 202220018297U CN 217149274 U CN217149274 U CN 217149274U
- Authority
- CN
- China
- Prior art keywords
- plate
- wind shield
- furnace
- fan
- sector
- 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
Images
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
- Y02P10/25—Process efficiency
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The utility model provides a furnace hearth convection plate and hood-type annealing furnace for furnace, include: the middle plate, the sector plate, the supporting panel and the base plate; the middle plate is annular, and the outer side of the middle plate radially extends out of the supporting panel; the fan-shaped plates are arranged on two sides of the supporting panel and the middle plate extending to the supporting panel; the base plate is arranged on one side, back to the supporting panel and the middle plate, of the fan-shaped plate; the base plate does not exceed the sector plate; two sides of the backing plate allow a steel coil to be placed. The structural design mode that this device passed through backing plate and sector plate one-to-one configuration has reduced the coil of strip inner and outer lane indentation that arouses because of annealing raw materials coil of strip tower type defect, has reduced the requirement of coil of strip curling tip depth of parallelism to a certain extent.
Description
Technical Field
The utility model relates to a convection plate structure for stove specifically relates to stove is with stove top convection plate and bell-type annealing stove.
Background
The cold-rolled medium-width steel strip needs to be annealed after the rolling process is finished, when the bell-type annealing furnace is used for annealing, a plurality of coils of steel strips are generally vertically stacked in the furnace, and a convection disc with a radial air duct is arranged between an upper adjacent coil and a lower adjacent coil to ensure that the coils are uniformly heated. The convection plate generally comprises a middle clamping plate with a central hole and radial sector plates which are uniformly and alternately arranged on the front surface and the back surface of the middle clamping plate, and an air channel is formed between the adjacent sector plates on the same surface. The tower-shaped defects of the annealed raw material steel coil can cause indentation of the inner ring and the outer ring of the steel coil, and the requirement on the parallelism of the curled end part of the steel coil is high. The maintenance cost of the convection plate is high due to the fact that the middle plate, the fan-shaped plate and the base plate are prone to cracking and falling of welding seams.
Patent document CN2528779Y relates to a convection plate for an annealing furnace, which comprises a plurality of upper and lower support plates and a base plate; the upper and lower supporting plates are fixed on the base plate; the upper supporting plate and the lower supporting plate are spirally arranged; at least one turbulent flow strip is respectively arranged above and below the base plate between the upper supporting plate and the lower supporting plate; the upper and lower supporting plates are provided with at least one turbulent air channel; the turbulent flow strips are respectively arranged at the two sides of the outlet of the turbulent flow ventilating duct; one end of the ventilation duct is communicated with the outer end parts of the upper and lower supporting plates, and the other end of the ventilation duct is communicated with the side parts of the upper and lower supporting plates; the upper and lower support plates are wedge-shaped.
Patent document CN201459205U relates to a cold-rolled bell-type annealing furnace convection disc, belongs to the technical field of heat treatment, and is used for solving the problem of welding seam overflow edge bonding in the annealing process of cold-rolled steel strips. The technical scheme is as follows: the steel strip coil is composed of a gear-shaped middle clamping plate with a central hole, a plurality of front fan-shaped plates fixed on the front side of the middle clamping plate and a plurality of back fan-shaped plates fixed on the back side of the middle clamping plate, wherein the front fan-shaped plates and the back fan-shaped plates are arranged in the radial direction and correspond to teeth on the outer edge of the middle clamping plate, and after improvement, grooves corresponding to annular overflow edges at the welding seams of a steel strip coil are formed in the front fan-shaped plates and the back fan-shaped plates.
Patent document CN203174169U relates to metallurgical bell-type annealing furnace field, especially relates to a convection plate in middle of bell-type annealing furnace, including sector plate and connecting plate, its characterized in that is equipped with the fan ring backing plate of thickness 10 ~ 15mm on the sector plate bottom, and the angle of fan ring backing plate and place sector plate is unanimous, and the internal diameter of fan ring backing plate equals the board and rolls up internal diameter + (100 ~ 150mm), and the external diameter of fan ring backing plate equals the board and rolls up external diameter- (100 ~ 150 mm).
The prior art can not solve the problems of indentation of the inner and outer rings of the steel coil, cracking of the intermediate plate, the fan-shaped plate and the base plate.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a furnace hearth convection plate for a furnace and a bell-type annealing furnace.
According to the utility model provides a pair of stove top convection plate for stove, include: the middle plate, the sector plate, the supporting panel and the base plate;
the middle plate is annular, and the outer side of the middle plate extends out of the support panel in a radial shape;
the fan-shaped plates are arranged on two sides of the supporting panel and the middle plate extending to the supporting panel;
the base plate is arranged on one side, back to the supporting panel and the middle plate, of the fan-shaped plate;
the base plate does not exceed the sector plate, and the distance between the inner diameter and the outer diameter of the base plate is smaller than that of the sector plate;
steel coils are allowed to be placed on two sides of the backing plate, and the backing plate avoids the outer diameter and the inner diameter of each steel coil;
and a lifting hook assembly is arranged in the middle plate.
Preferably, the backing plate, the sector plate and the support panel are provided in plurality and in a sector shape;
the base plate, the fan-shaped plates and the supporting panels are uniformly distributed in a radial shape.
Preferably, the backing plates on the two sides are fixedly connected through a plurality of fasteners;
and the base plate is connected with the sector plate in a welding manner.
Preferably, the base plate and the fan-shaped plate corners are provided with rounded corners.
Preferably, a first wind shield, a second wind shield and a third wind shield are arranged between adjacent fan-shaped plates;
the first wind shield, the second wind shield and the third wind shield are mounted on the middle plate.
Preferably, the first wind deflector, the second wind deflector and the third wind deflector are arranged perpendicular to the central line direction of the fan-shaped plates;
the first wind shield, the second wind shield and the third wind shield are arranged from far to near from the center of the middle plate.
Preferably, an air flow channel is arranged between the first wind deflector and the second wind deflector and between the second wind deflector and the third wind deflector.
Preferably, the baffle extends from the inner ring of the middle plate in four equal parts;
the baffle is provided with a lifting hook assembly;
the diameter of the hook component is smaller than the inner diameter of the steel coil.
Preferably, the hook assembly comprises: a first hook plate and a second hook plate;
the first lifting hook plate and the second lifting hook plate are arranged in an arc shape and cross;
and one ends of the first lifting hook plate and the second lifting hook plate are respectively arranged on the opposite baffle plates.
Preferably, a hood-type annealing furnace employs the furnace hearth convection plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the device avoids the inner diameter and the outer diameter of the end face of the corresponding steel coil through the structural design mode that the backing plate and the sector plate are configured in a one-to-one correspondence manner, when the annealing incoming material has an overflow edge or a tower shape, the indentation of the inner and the outer rings of the steel coil caused by the tower shape defect of the annealing raw material steel coil is reduced, and the requirement on the parallelism of the curled end part of the steel coil is reduced to a certain extent;
2. the base plate, the intermediate plate and the fan-shaped plate are correspondingly fixed and welded through the fasteners, so that the problem that the welding seams of the intermediate plate, the fan-shaped plate and the base plate are easy to crack and fall off is solved, and meanwhile, the maintenance cost of the convection plate is reduced;
3. the wind shield is arranged between the fan-shaped plates, so that airflow channels between the fan-shaped plates form turbulent flow to increase heat transfer efficiency, and the influence of convection plate gap airflow on large circulation in the furnace can be effectively reduced;
4. the design of a cross-shaped lifting hook plate is added, and the crane lifting hook can be adopted for direct lifting.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic top view of a convection plate;
FIG. 2 is a schematic front view of a convection plate;
shown in the figure:
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, a convection plate for a furnace hearth, which can be used in a hood-type annealing furnace, comprises: the device comprises an intermediate plate 1, a sector plate 2, a support panel 3 and a base plate 4; the intermediate plate 1 sets up to cyclic annular, and the 1 outside of intermediate plate is radial extension supporting panel 3, and supporting panel 3 and intermediate plate 1 extend supporting panel 3 department both sides installation sector plate 2, and sector plate 2 is supporting panel 3 and intermediate plate 1 side-mounting backing plate 4 dorsad, and backing plate 4 does not surpass sector plate 2, and the coil of strip is allowed to be placed to backing plate 4 both sides, and coil of strip external diameter and internal diameter are avoided to backing plate 4, installation hook assembly in the intermediate plate 1. The baffle 8 extends from the inner ring quartering part of the middle plate 1, the lifting hook component is arranged on the baffle 8, and the diameter of the lifting hook component is smaller than the inner diameter of the steel coil. The lifting hook subassembly includes: the first lifting hook plate 9 and the second lifting hook plate 10 are arranged in an arc shape, the first lifting hook plate 9 and the second lifting hook plate 10 are crossed in a cross shape, and one ends of the first lifting hook plate 9 and one end of the second lifting hook plate 10 are respectively arranged on the opposite baffle plates 8.
The base plate 4, the fan-shaped plate 2 and the support panel 3 are provided with a plurality of fan-shaped plates and are arranged in a fan shape, and the base plate 4, the fan-shaped plate 2 and the support panel 3 are uniformly distributed in a radial shape. The backing plates 4 on the two sides are fixedly connected through a plurality of fasteners 11, and the backing plates 4 and the sector plates 2 are connected in a welding mode. The corners of the backing plate 4 and the sector plate 2 are provided with rounded corners.
A first wind shield 5, a second wind shield 6 and a third wind shield 7 are arranged between the adjacent fan-shaped plates 2, and the first wind shield 5, the second wind shield 6 and the third wind shield 7 are arranged on the middle plate 1. The first wind shield 5, the second wind shield 6 and the third wind shield 7 are arranged in the direction perpendicular to the central line of the sector plate 2, and the first wind shield 5, the second wind shield 6 and the third wind shield 7 are arranged from far to near from the center of the middle plate 1. Airflow channels are arranged between the first wind deflector 5 and the second wind deflector 6 and between the second wind deflector 6 and the third wind deflector 7.
Example 2
Example 2 is a preferred example of example 1.
As shown in fig. 1 and 2, the present embodiment includes: the wind-proof structure comprises an intermediate plate 1, a sector plate 2, a supporting panel 3, a base plate 4, a first wind shield 5, a second wind shield 6, a third wind shield 7, a baffle 8, a first hook plate 9, a second hook plate 10 and a fastener 11; the main body of the embodiment is formed by overlapping, discontinuously welding and fixing the middle plate 1, the sector plate 2, the supporting panel 3 and the backing plate 4, wherein the sector plate 2, the supporting panel 3 and the backing plate 4 are arranged in a radial and uniform distribution manner, and the sector plate 2 and the backing plate 4 are both subjected to fillet treatment. The sector plates 2 correspond to the backing plates 4 one by one, and are fixed by fasteners 11 while being welded and connected. Compared with the design that one large base plate corresponds to two fan-shaped plates 2, the design has the advantages that the probability that the base plate 4 deforms to collide the end part of the steel coil is reduced, and the yield of the annealed coil is improved; contrast backing plate 4 and fan-shaped board 2 only welded connection's mode, increase the fixed back of fastener 11, welded connection is more about undertaking the fixed position, takes off to weld the back because of there being fastener 11 fastening fixed, also can effectively avoid backing plate 4 to drop, and the maintenance frequency of obvious reduction convection current board, obvious reduction are maintained artifical material and are thrown into.
First deep bead 5, second deep bead 6 and third deep bead 7 are arranged between two adjacent sector plates 2, design airflow channel between first deep bead 5, second deep bead 6 and the third deep bead 7, and first deep bead 5, second deep bead 6 and the third deep bead 7 height are calculated according to different stove types and are confirmed through the design. The novel steel coil air-flow heat-preserving device has the beneficial effects that the air flow channel between the two adjacent fan-shaped plates 2 forms turbulent flow, the heat transfer efficiency between the air flow and the end part of the steel coil can be improved, the airflow fluid area between the two adjacent fan-shaped plates 2 is reduced due to the existence of the first air baffle 5, the second air baffle 6 and the third air baffle 7, the proportion of large circulating air flow in the furnace by the gap air flow of the convection plates can be effectively reduced, and the strong convection effect is enhanced.
The first lifting hook plate 9 and the second lifting hook plate 10 are combined to be designed into a lifting hook assembly, the lifting hook assembly is designed according to the size of the inner diameter of a steel coil, the first lifting hook plate 9 and the second lifting hook plate 10 can be directly hoisted by a crane, the upper portion and the lower portion of the lifting hook assembly extend out of the upper plane and the lower plane of the convection plate, and the upper plane and the lower plane can both play a role in guiding. The convection plate of the general furnace platform is hoisted by a three-jaw hoist, a traveling hook is provided with the three-jaw hoist, and the convection plate is hoisted by the three-jaw hoist. The design of this embodiment hangs the hook subassembly, has reduced the use frequency of three-jaw hoist, has reduced because of the hook strip, has lifted off the operating time of three-jaw hoist and has increased production operating efficiency.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A hearth convection plate for a furnace, comprising: the device comprises an intermediate plate (1), a sector plate (2), a supporting panel (3) and a base plate (4);
the middle plate (1) is arranged in a ring shape, and the outer side of the middle plate (1) radially extends out of the support panel (3);
the fan-shaped plates (2) are arranged on two sides of the supporting panel (3) where the supporting panel (3) and the middle plate (1) extend;
the base plate (4) is arranged on one side, back to the supporting panel (3) and the middle plate (1), of the fan-shaped plate (2);
the backing plate (4) does not exceed the sector plate (2);
steel coils are allowed to be placed on two sides of the backing plate (4), and the backing plate (4) avoids the outer diameter and the inner diameter of each steel coil;
and a lifting hook assembly is arranged in the middle plate (1).
2. The hearth convection plate for a furnace according to claim 1, wherein: the base plate (4), the fan-shaped plate (2) and the support panel (3) are provided in a plurality and are arranged in a fan shape;
the base plate (4), the fan-shaped plates (2) and the supporting panels (3) are uniformly distributed in a radial shape.
3. The hearth convection plate for a furnace according to claim 1, wherein: the backing plates (4) on the two sides are fixedly connected through a plurality of fasteners (11);
the backing plate (4) is connected with the sector plate (2) in a welding mode.
4. The hearth convection plate for a furnace according to claim 1, wherein: and the corners of the base plate (4) and the sector plate (2) are provided with rounded corners.
5. The hearth convection plate for a furnace according to claim 1, wherein: a first wind shield (5), a second wind shield (6) and a third wind shield (7) are arranged between the adjacent fan-shaped plates (2);
the first wind shield plate (5), the second wind shield plate (6) and the third wind shield plate (7) are installed on the middle plate (1).
6. The hearth convection plate for a furnace according to claim 5, wherein: the first wind shield plate (5), the second wind shield plate (6) and the third wind shield plate (7) are arranged in a direction perpendicular to the central line direction of the sector plates (2);
the first wind shield plate (5), the second wind shield plate (6) and the third wind shield plate (7) are arranged from far to near from the circle center of the middle plate (1).
7. The hearth convection plate for a furnace according to claim 5, wherein: and air flow channels are arranged between the first wind shield (5) and the second wind shield (6) and between the second wind shield (6) and the third wind shield (7).
8. The hearth convection plate for a furnace according to claim 1, wherein: baffle plates (8) extend from the inner ring quartering part of the middle plate (1);
the baffle (8) is provided with the lifting hook assembly;
the diameter of the hook component is smaller than the inner diameter of the steel coil.
9. The hearth convection plate for a furnace of claim 8, wherein said hook assembly comprises: a first hook plate (9) and a second hook plate (10);
the first lifting hook plate (9) and the second lifting hook plate (10) are arranged in an arc shape;
the first hook plate (9) and the second hook plate (10) are crossed;
and one ends of the first lifting hook plate (9) and the second lifting hook plate (10) are respectively arranged on the baffle plate (8).
10. A hood-type annealing furnace characterized in that: the hood-type annealing furnace uses the hearth convection plate for the furnace according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018297.4U CN217149274U (en) | 2022-01-05 | 2022-01-05 | Furnace hearth convection plate for furnace and hood-type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018297.4U CN217149274U (en) | 2022-01-05 | 2022-01-05 | Furnace hearth convection plate for furnace and hood-type annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217149274U true CN217149274U (en) | 2022-08-09 |
Family
ID=82689076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220018297.4U Active CN217149274U (en) | 2022-01-05 | 2022-01-05 | Furnace hearth convection plate for furnace and hood-type annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217149274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397090A (en) * | 2023-06-05 | 2023-07-07 | 山西鑫磁科技有限公司 | Iron core heat treatment device and process |
-
2022
- 2022-01-05 CN CN202220018297.4U patent/CN217149274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397090A (en) * | 2023-06-05 | 2023-07-07 | 山西鑫磁科技有限公司 | Iron core heat treatment device and process |
| CN116397090B (en) * | 2023-06-05 | 2023-08-18 | 山西鑫磁科技有限公司 | Iron core heat treatment device and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217149274U (en) | Furnace hearth convection plate for furnace and hood-type annealing furnace | |
| CN102913956B (en) | Gas-cooker | |
| CN201762407U (en) | Bell type furnace convection plate | |
| US2854226A (en) | Annealing cover furnace with improved inner cover seal | |
| CN111678178B (en) | Energy gathering ring | |
| CN202401118U (en) | Aluminum alloy heat-treatment furnace | |
| JPH04188535A (en) | Gas exhausting furnace for cathode ray tube | |
| CN109321722A (en) | A kind of spheroidizing annealing furnace | |
| CN211977600U (en) | Industrial furnace capable of uniformly cooling and realizing atmosphere in furnace | |
| CN201183813Y (en) | Convection plate for bell-type annealing furnace | |
| CN202099353U (en) | Movable final cooling table for bell-type furnace | |
| CN213059823U (en) | Smelting cooling tray | |
| CN205954078U (en) | Formula strutting arrangement is singly piled up neatly to high temperature hood -type annealing furnace's bilayer | |
| CN1333088C (en) | Cage type furnace convection plate | |
| CN209144218U (en) | A kind of spheroidizing annealing furnace furnace bottom deflector | |
| CN2670373Y (en) | Bell-type annealer coil bases | |
| CN101644482B (en) | Air deflector of fuel gas hot-blast stove | |
| CN219526743U (en) | Annealing holds in palm work or material rest for coiled material | |
| CN215293011U (en) | Air guide device for furnace platform circulating fan of bell-type furnace | |
| CN219714030U (en) | Material frame structure | |
| CN221280038U (en) | Heat dissipation recycling device for hearth of hot blast stove | |
| CN209957856U (en) | Single-cone surface convection disc structure | |
| CN215864637U (en) | Bottom type roasting furnace of locomotive with high-temperature circulating air | |
| CN208218898U (en) | A kind of cooling system applied to well furnace tempering technique | |
| CN215713105U (en) | Non-metal supporting device for hot blast stove checker brick masonry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |