Cover type annealing furnace

Abstract

The utility model discloses a bell-type annealing furnace which comprises a furnace base and a furnace cover, the flow guide device comprises a bottom plate, flow guide plates and a bearing plate, the bottom plate is arranged on the furnace base, a first through hole is formed in the middle of the bottom plate, the flow guide plates are arranged on the bottom plate, a plurality of flow guide plates are arranged around the circumference of the first through hole, the flow guide plates surround to form a second through hole, the second through hole and the first through hole are coaxially arranged, and the bearing plate is arranged above the flow guide plates; the bearing plate is used for bearing a steel belt, the bearing plate is provided with ribs, the ribs are arranged around the circumference of the bearing plate, channels are formed between the ribs, the middle of the bearing plate is provided with a third through hole, the third through hole and the second through hole are coaxially arranged, the third through hole is provided with a grid shaped like a Chinese character'jing ', the end of the grid is provided with a bent part, and the bent part is fixedly connected with the bearing plate; and the furnace cover covers the fluid director, and the furnace seat is connected with the furnace seat in a sealing manner. According to the cover type annealing furnace, the bearing capacity of the bearing plate can be improved, deformation of the bearing plate is avoided, and the product quality is guaranteed.

Description

Technical Field

[0001] The present application relates to the field of heat treatment technology, and in particular to a bell-type annealing furnace. Background Art

[0002] Hood annealing furnace is commonly used in the bright annealing (softening annealing) process of cold-rolled strip steel. Usually, the annealing furnace is pre-filled with protective gas (such as nitrogen, hydrogen) to heat and anneal the heated cold-rolled strip steel, so that the work hardening of the cold-rolled strip steel is fully eliminated and the required mechanical properties are obtained, thereby providing favorable assistance for subsequent processing.

[0003] However, the guide of the existing bell-type annealing furnace is easily deformed due to insufficient load-bearing capacity, thereby affecting product quality. Utility Model Content

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a bell-type annealing furnace, which can strengthen the strength of the support plate, improve the load-bearing capacity of the support plate, avoid deformation of the support plate, and ensure product quality.

[0005] According to the hood-type annealing furnace described in the embodiment of the present application, it includes: a furnace base; a deflector, including a bottom plate, a deflector and a supporting plate, the bottom plate is arranged on the furnace base, a first through hole is arranged in the middle of the bottom plate, the deflector is arranged on the bottom plate, a plurality of deflectors are arranged around the circumference of the first through hole, a second through hole is formed around the deflector, the second through hole is coaxially arranged with the first through hole, the supporting plate is arranged above the deflector, the supporting plate is used to support the steel strip, the supporting plate is provided with ribs, the ribs are arranged around the circumference of the supporting plate, channels are formed between the ribs, a third through hole is arranged in the middle of the supporting plate, the third through hole is coaxially arranged with the second through hole, the third through hole is provided with a tic-tac-toe grille, the end of the grille is provided with a bending portion, and the bending portion is fixedly connected to the supporting plate; a furnace hood, which is covered by the deflector, and the furnace base is sealed and connected to the furnace base.

[0006] The hood-type annealing furnace described in the embodiment of the present application has at least the following beneficial effects: by arranging ribs on the support plate, the strength of the support plate can be strengthened, the load-bearing capacity of the support plate can be improved, and deformation of the support plate can be avoided. Moreover, channels are formed between the ribs, which is beneficial to improving ventilation efficiency, shortening working time, and reducing production costs. By arranging a criss-cross-shaped grille, the load-bearing capacity of the support plate can be further improved to ensure product quality.

[0007] According to the hood-type annealing furnace described in the embodiment of the present application, a surrounding plate is provided on the upper part of the second through hole, the surrounding plate is fixedly connected to the guide plate, the surrounding plate is provided with a protrusion, the protrusion is arranged toward the axis of the second through hole, and the grille abuts against the protrusion.

[0008] According to the hood-type annealing furnace described in the embodiment of the present application, the guide device also includes an insert plate, a clamping plate is provided at the outward end of the guide plate, the clamping plate is located on both sides of the guide plate, the clamping plate is provided with a clamping slot, and the insert plate is inserted into the clamping slot.

[0009] According to the bell-type annealing furnace described in the embodiment of the present application, the bottom plate is provided with support rods, the guide plate is located between the support rods, and the support plate abuts against the tops of the support rods.

[0010] According to the bell-type annealing furnace described in the embodiment of the present application, a connecting rod is provided between the support rod and the clamping plate.

[0011] According to the hood-type annealing furnace described in the embodiment of the present application, the support plate is provided with a mounting groove, and the support rod is embedded in the mounting groove.

[0012] According to the bell-type annealing furnace described in the embodiment of the present application, the furnace base is provided with a mounting cavity, the deflector is arranged above the mounting cavity, a fan is arranged in the mounting cavity, and the fan extends into the second through hole through the first through hole.

[0013] According to the bell-type annealing furnace described in the embodiment of the present application, a sealing ring is provided between the furnace base and the furnace hood.

[0014] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the structure of a bell-type annealing furnace according to an embodiment of the present application;

[0017] Figure 2 This is a schematic diagram of the structure of a guide in a bell-type annealing furnace according to an embodiment of the present application;

[0018] Figure 3 This is a top view of a guide in a bell-type annealing furnace according to an embodiment of the present application.

[0019] Description of reference numerals:

[0020] Furnace base 100; fan 110; deflector 200; bottom plate 210; first through hole 211; support rod 212; connecting rod 213; deflector 220; second through hole 221; clamping plate 222; clamping groove 223; enclosure 224; protrusion 225; supporting plate 230; rib 231; channel 232; third through hole 233; grille 234; bending portion 235; mounting groove 236; plug plate 240; furnace cover 300. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0022] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] In the description of this application, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0025] Reference Figures 1 to 3The embodiment of the present application provides a bell-type annealing furnace, comprising: a furnace base 100; a guide 200, comprising a bottom plate 210, a guide plate 220 and a supporting plate 230, the bottom plate 210 is arranged on the furnace base 100, a first through hole 211 is arranged in the middle of the bottom plate 210, the guide plate 220 is arranged on the bottom plate 210, a plurality of guide plates 220 are arranged around the first through hole 211, a second through hole 221 is formed around the guide plate 220, the second through hole 221 is coaxially arranged with the first through hole 211, and the supporting plate 230 is arranged above the guide plate 220, The supporting plate 230 is used to support the steel strip. The supporting plate 230 is provided with ribs 231. The ribs 231 are arranged around the circumference of the supporting plate 230. Channels 232 are formed between the ribs 231. A third through hole 233 is provided in the middle of the supporting plate 230. The third through hole 233 is coaxially arranged with the second through hole 221. The third through hole 233 is provided with a tic-tac-toe grille 234. The end of the grille 234 is provided with a bending portion 235. The bending portion 235 is fixedly connected to the supporting plate 230; the furnace hood 300 is provided on the deflector 200, and the furnace base 100 is sealed and connected to the furnace base 100.

[0026] By providing ribs 231 on the support plate 230, the strength of the support plate 230 can be enhanced, the load-bearing capacity of the support plate 230 can be improved, and deformation of the support plate 230 can be avoided. Channels 232 are formed between the ribs 231 and the ribs 231, which is beneficial to improving ventilation efficiency, shortening working time, and reducing production costs. By providing a criss-cross-shaped grille 234, the load-bearing capacity of the support plate 230 is further improved to ensure product quality.

[0027] Reference Figures 1 to 3 , wherein a panel 224 is provided at the upper part of the second through hole 221, the panel 224 is fixedly connected to the guide plate 220, the panel 224 is provided with a protrusion 225, the protrusion 225 is arranged toward the axis of the second through hole 221, and the grille 234 abuts against the protrusion 225. By providing the panel 224 and the fixed connection between the panel 224 and the guide plate 220, the end of the guide plate 220 can be fixed, thereby improving the stability of the guide plate 220, and by providing the protrusion 225 on the guide plate 220, the protrusion 225 abuts against the grille 234, it is prevented that debris falls and damages the grille 234 and falls into the guide 200, thereby improving the stability and reliability.

[0028] Reference Figures 1 to 3In this embodiment, the deflector 200 further includes an insert plate 240. A card plate 222 is provided at one end of the deflector 220 facing outward. The card plate 222 is located on both sides of the deflector 220. The card plate 222 is provided with a card slot 223. The insert plate 240 is inserted into the card slot 223. The number of the insert plates 240 is the same as that of the guide channel 232. The insert plates 240 can at least block the partial extension path of the channel 232 outward, and the insert plates 240 are tilted upward and outward, so as to guide the airflow in the channel 232 upward. In addition, by inserting the insert plate 240 into the card slot 223, it is easy to install the insert plate 240 without welding, so as to prevent the insert plate 240 from being deformed by welding.

[0029] Reference Figure 1 and Figure 2 In some embodiments, the bottom plate 210 is provided with support rods 212, the guide plate 220 is located between the support rods 212, and the support plate 230 is in contact with the top of the support rod 212. By adopting the above structure, the support rod 212 and the guide plate 220 can bear the weight of the steel together to prevent the guide plate 220 from being deformed by explosion welding; at the same time, the guide plate 220 is arranged between the support rods 212, which can limit the guide plate 220, so that the guide plate 220 is not easy to shift and deflect, and the structure is more stable. Further, the support plate 230 is provided with a mounting groove 236, and the support rod 212 is embedded in the mounting groove 236. By providing the mounting groove 236, the stability of the connection between the support rod 212 and the support plate 230 can be improved, and at the same time, it can also prevent the support plate 230 from being misaligned with the guide plate 220 due to excessive force. It is easy to understand that a connecting rod 213 is provided between the support rod 212 and the clamping plate 222 to further improve the stability of the connection.

[0030] Reference Figure 1 In some embodiments, the furnace base 100 is provided with an installation cavity, the deflector 200 is provided above the installation cavity, a fan 110 is provided in the installation cavity, and the fan 110 extends into the second through hole 221 through the first through hole 211. By providing the fan 110, the flow rate of the wind can be accelerated and the working efficiency can be improved. It is conceivable that a sealing ring is provided between the furnace base 100 and the furnace cover 300, so as to improve the sealing performance and ensure the product quality.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0032] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A bell-type annealing furnace, characterized in that: include: Stove base; The deflector comprises a bottom plate, a deflector plate and a supporting plate, wherein the bottom plate is arranged on the furnace seat, a first through hole is arranged in the middle of the bottom plate, the deflector plate is arranged on the bottom plate, a plurality of deflectors are arranged around the circumference of the first through hole, a second through hole is formed around the deflector plate, the second through hole is coaxially arranged with the first through hole, the supporting plate is arranged above the deflector plate, the supporting plate is used to support the steel strip, the supporting plate is provided with ribs, the ribs are arranged around the circumference of the supporting plate, channels are formed between the ribs, a third through hole is arranged in the middle of the supporting plate, the third through hole is coaxially arranged with the second through hole, a well-shaped grille is provided on the third through hole, a bending portion is provided at the end of the grille, and the bending portion is fixedly connected to the supporting plate; A furnace cover is arranged on the deflector, and the furnace seat is sealed and connected with the furnace seat.

2. The bell-type annealing furnace according to claim 1, characterized in that: A surrounding plate is arranged on the upper part of the second through hole, the surrounding plate is fixedly connected to the guide plate, the surrounding plate is provided with a protrusion, the protrusion is arranged toward the axis of the second through hole, and the grille abuts against the protrusion.

3. The bell-type annealing furnace according to claim 1, characterized in that: The deflector further comprises an inserting plate, a clamping plate is arranged at an outward end of the deflector, the clamping plate is located at two sides of the deflector, the clamping plate is provided with a clamping slot, and the inserting plate is inserted into the clamping slot.

4. The bell-type annealing furnace according to claim 3, characterized in that: The bottom plate is provided with support rods, the guide plate is located between the support rods, and the supporting plate abuts against the tops of the support rods.

5. The bell-type annealing furnace according to claim 4, characterized in that: A connecting rod is arranged between the supporting rod and the clamping plate.

6. The bell-type annealing furnace according to claim 4, characterized in that: The supporting plate is provided with a mounting groove, and the support rod is embedded in the mounting groove.

7. The bell-type annealing furnace according to claim 1, characterized in that: The furnace base is provided with an installation cavity, the deflector is arranged above the installation cavity, a fan is arranged in the installation cavity, and the fan extends into the second through hole through the first through hole.

8. The bell-type annealing furnace according to claim 7, characterized in that: A sealing ring is arranged between the furnace seat and the furnace cover.

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