Water-cooling dust removal elbow for furnace cover of electric furnace

Abstract

The utility model discloses an electric furnace cover water-cooling dedusting elbow which comprises an elbow head body, a dedusting plate is arranged in the middle of the outer wall of the elbow head body, an inserting groove is formed in one end of the dedusting plate, an inserting plate is inserted into the inner side of the dedusting plate, rotating columns are arranged on the inner sides of the two ends of the inserting plate, and a rotating plate is installed at the lower end of the outer wall of a torsional spring. According to the water-cooling dust removal elbow for the furnace cover of the electric furnace, when the dust removal screen plate needs to be maintained, only the rotating plate needs to be rotated, the clamping block is rotated out of the clamping groove, the rotating column is driven to rotate, the torsion spring is tightened, and the dust removal screen plate can be maintained. The inserting plate and the dust removal screen plate can slide out of the dust removal plate, the dust removal screen plate can be maintained, after maintenance is completed, the inserting plate and the dust removal screen plate are inserted into the dust removal plate, the clamping blocks are clamped into the clamping grooves through the torsional force of the torsional springs, and then rapid maintenance of the inserting plate and the dust removal screen plate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgy, in particular to a water-cooled dust removal elbow for an electric furnace cover. Background Art

[0002] With the development of the electric power industry, the above-mentioned electric furnaces have begun to be promoted and applied in industry, and medium and high frequency induction melting furnaces, near-infrared furnaces, simple controlled atmosphere resistance furnaces, etc. have also been developed. With the development of industrial metallurgy, large-scale industrial electric furnaces have been promoted and applied. A dust removal elbow will be installed above the cover of the electric furnace to remove dust from the flue gas during the heating process.

[0003] The current dust removal elbow dust removal structure adopts a built-in structure. When performing subsequent maintenance on the internal dust removal structure, the elbow needs to be removed to achieve further maintenance, which increases the workload of maintenance personnel. Utility Model Content

[0004] The utility model aims to provide a water-cooled dust removal elbow for an electric furnace cover, so as to solve the problem in the above background technology that the elbow needs to be removed when the internal dust removal structure is subsequently maintained.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-cooled dust removal elbow for an electric furnace cover, comprising an elbow body, a dust removal plate is arranged in the middle of the outer wall of the elbow body, and a slot is opened at one end of the dust removal plate, a plug plate is inserted into the inner side of the dust removal plate, rotating columns are arranged on the inner sides of both ends of the plug plate, and a rotating plate is installed at the lower end of the outer wall of the torsion spring, a torsion spring is sleeved on the upper end of the outer wall of the rotating column, and a clamping block is installed on one side of the rotating plate;

[0006] Water cooling pipes are arranged on both sides of the outer wall of the elbow body, a linkage rotating rod is arranged on the outer wall of the water cooling pipe, an extension plate is installed below one end of the outer wall of the linkage rotating rod, and a display strip is arranged at one end of the extension plate.

[0007] As a preferred technical solution of the utility model, the plug plate is adapted to the slot, and the plug plate is slidably connected to the dust removal plate.

[0008] As a preferred technical solution of the utility model, the rotating column is rotatably connected to the plug plate, and the two ends of the torsion spring are fixedly connected to the plug plate and the rotating plate respectively.

[0009] As a preferred technical solution of the utility model, a dust removal mesh plate is arranged on one side of the top of the plug plate, and card slots are opened on both sides of the dust removal plate, and the card blocks are adapted to the card slots.

[0010] As a preferred technical solution of the utility model, the water cooling pipe is spiral-shaped, and both ends of the water cooling pipe are respectively connected to a delivery pipe and a return pipe of cooling water.

[0011] As a preferred technical solution of the utility model, the linkage rotating rod is rotatably connected to the water cooling pipe, and the display strip is made of dark soft material.

[0012] As a preferred technical solution of the utility model, a plurality of push paddles are arranged at the other end of the outer wall of the linkage rotating rod, the push paddles are adapted to the water cooling pipe, and connecting flanges are installed at both ends of the elbow body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a dust removal plate, a plug plate, a rotating plate and a clamping block. The design is installed with the electric furnace cover, and the smoke generated in the electric furnace is dusted by the dust removal mesh plate. When the dust removal mesh plate needs to be maintained, it is only necessary to rotate the rotating plate, and rotate the clamping block out of the clamping slot, and drive the rotating column to rotate, and tighten the torsion spring, so that the plug plate and the dust removal mesh plate can be slid out of the dust removal plate, and the dust removal mesh plate can be maintained. After the maintenance is completed, the plug plate and the dust removal mesh plate are inserted into the dust removal plate, and the torsional force of the torsion spring is used to clamp the clamping block into the clamping slot, thereby realizing quick maintenance of the plug plate and the dust removal mesh plate, without the need to disassemble the elbow head body for maintenance, thereby reducing the workload of maintenance personnel.

[0015] The utility model provides a water-cooling pipe, an extension plate and a display strip. When the high-temperature flue gas in the electric furnace flows through the elbow body, the external cooling water continuously circulates through the water-cooling pipe to cool the elbow body. At the same time, during the circulation of the cooling water, a thrust is generated on the push paddle, which drives the linkage rotating rod to rotate and pushes the extension plate to swing with the display strip. Workers can judge the circulation status of the cooling water by the swing of the display strip to avoid excessive temperature at the elbow body due to the non-circulation of cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the disassembly structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the plug board in the utility model;

[0019] Figure 4 It is a partial cross-sectional view of the water cooling pipe in the utility model.

[0020] In the figure: 1. elbow body; 11. connecting flange; 2. water cooling pipe; 21. linkage rotating rod; 22. pushing paddle; 23. extension plate; 24. display strip; 3. dust removal plate; 31. plug-in plate; 32. slot; 33. card slot; 34. dust removal mesh plate; 35. rotating column; 36. torsion spring; 37. rotating plate; 38. card block. Implementation

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution for a water-cooled dust removal elbow of an electric furnace cover: Example

[0023] according to Figure 1 , Figure 2 and Figure 3 As shown, a water-cooled dust removal elbow for an electric furnace cover comprises an elbow body 1, a dust removal plate 3 is arranged in the middle of the outer wall of the elbow body 1, and a slot 32 is opened at one end of the dust removal plate 3, a plug plate 31 is inserted into the inner side of the dust removal plate 3, rotating columns 35 are arranged on the inner sides of both ends of the plug plate 31, and a rotating plate 37 is installed at the lower end of the outer wall of the torsion spring 36, a torsion spring 36 is sleeved on the upper end of the outer wall of the rotating column 35, and a clamping block 38 is installed on one side of the rotating plate 37;

[0024] The plug plate 31 is adapted to the slot 32, the plug plate 31 is slidably connected to the dust removal plate 3, the rotating column 35 is rotatably connected to the plug plate 31, the two ends of the torsion spring 36 are fixedly connected to the plug plate 31 and the rotating plate 37 respectively, a dust removal mesh plate 34 is provided on one side of the top of the plug plate 31, and a card slot 33 is provided on both sides of the dust removal plate 3. The card block 38 is carded into the card slot 33, and then the plug plate 31 and the dust removal mesh plate 34 are quickly maintained, without the need to disassemble and maintain the elbow body 1, thereby reducing the workload of the maintenance personnel, and the card block 38 is adapted to the card slot 33. Example

[0025] On the basis of the first embodiment, Figure 1 and Figure 4As shown, water-cooling tubes 2 are arranged on both sides of the outer wall of the elbow body 1, and a linkage rotating rod 21 is arranged on the outer wall of the water-cooling tube 2. An extension plate 23 is installed below one end of the outer wall of the linkage rotating rod 21, and a display strip 24 is arranged at one end of the extension plate 23. The water-cooling tube 2 is spiral, and the two ends of the water-cooling tube 2 are respectively connected to the delivery pipe and the return pipe of the cooling water. The linkage rotating rod 21 is rotatably connected to the water-cooling tube 2. The display strip 24 is a dark soft material. The circulation condition of the cooling water is judged by the swing of the display strip 24 to avoid the temperature at the elbow body 1 being too high due to the non-circulation of cooling water. A plurality of push paddles 22 are arranged on the other end of the outer wall of the linkage rotating rod 21, and the push paddles 22 are adapted to the water-cooling tube 2. Connecting flanges 11 are installed on both ends of the elbow body 1.

[0026] When in use, the utility model is a water-cooled dust removal elbow for an electric furnace cover. The utility model is installed with the electric furnace cover, and the dust removal mesh plate 34 is used to remove dust from the flue gas generated in the electric furnace. When the dust removal mesh plate 34 needs to be maintained, it is only necessary to rotate the rotating plate 37, and rotate the clamping block 38 out of the clamping slot 33, and drive the rotating column 35 to rotate, and tighten the torsion spring 36, so that the plug plate 31 and the dust removal mesh plate 34 can be slid out of the dust removal plate 3, and the dust removal mesh plate 34 can be maintained. After the maintenance is completed, the plug plate 31 and the dust removal mesh plate 34 are inserted into the dust removal plate 3, and the torsion force of the torsion spring 36 is used to clamp the clamping block 38 into the clamping slot 33;

[0027] When the high-temperature flue gas in the electric furnace flows through the elbow body 1, it is continuously circulated through the water-cooling pipe 2 through the external cooling water to achieve cooling of the elbow body 1. At the same time, during the circulation of the cooling water, a thrust will be generated on the push paddle 22, and the linkage rotating rod 21 will be driven to rotate, and the extension plate 23 will be pushed to swing with the display strip 24. Workers can judge the circulation status of the cooling water by the swing of the display strip 24.

[0028] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like 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 invention and simplifying the description, and do not indicate or imply that the referred device or element 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 invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

Claims

1. A water-cooled dust removal elbow for an electric furnace roof, comprising an elbow body (1), characterized in that: A dust removal plate (3) is provided at the middle of the outer wall of the elbow body (1), and a slot (32) is provided at one end of the dust removal plate (3), a plug plate (31) is inserted into the inner side of the dust removal plate (3), rotating columns (35) are provided on the inner sides of both ends of the plug plate (31), and a rotating plate (37) is installed at the lower end of the outer wall of the torsion spring (36), a torsion spring (36) is sleeved on the upper end of the outer wall of the rotating column (35), and a clamping block (38) is installed on one side of the rotating plate (37); Water cooling tubes (2) are provided on both sides of the outer wall of the elbow body (1), a linkage rotating rod (21) is provided on the outer wall of the water cooling tube (2), an extension plate (23) is installed below one end of the outer wall of the linkage rotating rod (21), and a display strip (24) is provided at one end of the extension plate (23).

2. The water-cooled dust removal elbow for an electric furnace cover according to claim 1, characterized in that: The plug plate (31) is matched with the slot (32), and the plug plate (31) is slidably connected to the dust removal plate (3).

3. The water-cooled dust removal elbow for an electric furnace cover according to claim 1, characterized in that: The rotating column (35) is rotatably connected to the inserting plate (31), and two ends of the torsion spring (36) are fixedly connected to the inserting plate (31) and the rotating plate (37), respectively.

4. The water-cooled dust removal elbow for an electric furnace roof according to claim 1, characterized in that: A dust removal screen plate (34) is provided on one side of the top end of the plug plate (31), and clamping grooves (33) are provided on both sides of the dust removal plate (3), and the clamping blocks (38) are adapted to fit the clamping grooves (33).

5. The water-cooled dust removal elbow for an electric furnace roof according to claim 1, characterized in that: The water cooling pipe (2) is spiral-shaped, and both ends of the water cooling pipe (2) are respectively connected to a delivery pipe and a return pipe of cooling water.

6. The water-cooled dust removal elbow for an electric furnace roof according to claim 1, characterized in that: The linkage rotating rod (21) is rotatably connected to the water cooling tube (2), and the display strip (24) is made of a dark soft material.

7. The water-cooled dust removal elbow for an electric furnace roof according to claim 1, characterized in that: A plurality of push paddles (22) are provided at the other end of the outer wall of the linkage rotating rod (21), the push paddles (22) being compatible with the water cooling pipe (2), and connecting flanges (11) are installed at both ends of the elbow body (1).

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