LF refining furnace with dust removal flue

Abstract

The utility model discloses an LF (Ladle Furnace) refining furnace with a dust removal flue, and relates to the technical field of LF refining furnaces. The furnace comprises a furnace body, a furnace cover and a flue, the furnace cover is arranged at the upper end of the furnace body, the flue is arranged on the upper surface of the furnace cover, the interior of the flue is communicated with the interior of the furnace body, two mounting sleeves are further arranged on the upper surface of the furnace cover and arranged on the two sides of the flue, and clamping rods are clamped in the two mounting sleeves respectively. An electric push rod is arranged on the lower surface of the top plate, a connecting plate is welded to the lower surface of the electric push rod, and a rotating motor is fixed to the lower surface of the connecting plate. Through the structure of the electric push rod, the rotating motor and the scraping plate, the mounting plate is conveniently controlled to move up and down in the flue and is matched with the scraping plate to scrape dust accumulated on the inner wall of the flue, the mounting plate rotates while moving up and down, stubborn dust removal of the scraping plate is improved, and the dust removal effect of the device is improved.

Description

Technical Field

[0001] This utility model belongs to the field of LF refining furnace technology, and in particular relates to an LF refining furnace with a dust removal flue. Background Technology

[0002] A refining furnace is a type of smelting equipment used in the hot processing industry. It is primarily used in ferrous metallurgy for the final deoxidation and alloying processes of molten steel. An LF refining furnace, also known as a ladle refining furnace, is a device that combines the functions of a steelmaking furnace for heating and refining. It is an important metallurgical piece of equipment used to refine molten steel from primary furnaces (electric arc furnaces, open-hearth furnaces, converters), and to regulate the temperature of the molten steel, providing process buffering to meet the requirements of continuous casting and rolling. The ladle furnace is one of the main pieces of equipment for ladle refining.

[0003] In existing technologies, refining furnaces generally produce a large amount of smoke and dust during use. After prolonged use, dust tends to accumulate on the inner wall of the flue, affecting the subsequent discharge of smoke and dust. Existing refining furnaces generally do not have dust removal flues. Therefore, an LF refining furnace with a dust removal flue is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide an LF refining furnace with a dust removal flue, thereby solving the existing problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to an LF refining furnace with a dust removal flue, comprising a furnace body, a furnace cover, and a flue. The furnace cover is located at the upper end of the furnace body, and the flue is located on the upper surface of the furnace cover, with the interior of the flue connected to the interior of the furnace body. Two mounting sleeves are also provided on the upper surface of the furnace cover, positioned on both sides of the flue. Each mounting sleeve has a locking rod inside it, and a top plate is welded to the upper end of each locking rod. An electric push rod is provided on the lower surface of the top plate, and a connecting plate is welded to the lower surface of the electric push rod. A rotating motor is fixed to the lower surface of the connecting plate, facilitating the control of the mounting plate's movement up and down within the flue while simultaneously scraping away dust accumulated on the inner wall of the flue with a scraper. Furthermore, the motor rotates while moving up and down, improving the scraper's ability to remove stubborn dust and enhancing the dust removal effect of the device.

[0007] Furthermore, a rotating shaft is provided on the lower surface of the rotating motor, a rotating plate is welded to the lower surface of the rotating shaft, and two snap-fit ​​plates are welded to the periphery of the rotating plate. The two snap-fit ​​plates are arranged opposite to each other, and a mounting plate is connected to one end of each snap-fit ​​plate.

[0008] Further, the mounting plate is a ring plate body structure, a plurality of scrapers are arranged on the peripheral side of the mounting plate, the scraper is in contact with the inside of the flue, and two placing grooves are arranged on the upper surface of the mounting plate.

[0009] Further, the positions of the two placing grooves are adapted to the positions of the two clamping plates, and clamping grooves are arranged in the two placing grooves.

[0010] Further, one end of the two clamping plates is slidably connected to the inner bottom surface of the placing groove, and the other end of the two clamping plates is clamped in the clamping groove.

[0011] Further, two positioning rods are embedded on the upper surface of the mounting plate, the two positioning rods are arranged above the two clamping grooves, and the lower ends of the two positioning rods penetrate the upper surface of the mounting plate.

[0012] Further, the lower ends of the two positioning rods extend into the clamping grooves, the lower ends of the two positioning rods are clamped to one end of the clamping plate, and pull plates are welded to the upper ends of the two positioning rods.

[0013] Further, two connecting springs are arranged between the lower surfaces of the two pull plates and the upper surfaces of the two mounting plates, the two connecting springs are arranged on the peripheral side surfaces of the positioning rods, the mounting plate and the clamping plate are convenient to mount and dismount, thereby facilitating cleaning and maintenance of the mounting plate and the scraper in the later period, and improving the flexibility of the device in use.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a scraper structure, which is convenient to control the mounting plate to move up and down on the flue, cooperate the scraper to scrape the dust accumulated on the inner wall of the flue, rotate while moving up and down, improve the cleaning of the scraper for stubborn dust, and improve the dust removal effect of the device.

[0016] 2. The utility model discloses a clamping plate, a clamping groove and a positioning rod structure, which are convenient to mount and dismount the mounting plate and the clamping plate, thereby facilitating cleaning and maintenance of the mounting plate and the scraper in the later period, and improving the flexibility of the device in use.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 A structure schematic view of the LF refining furnace with the dust removal flue according to the present application;

[0020] Figure 2 A structure schematic view of the LF refining furnace with the dust removal flue according to the present application Figure 1 An enlarged structure schematic view of A in the present application;

[0021] Figure 3 A front view structure schematic view of the LF refining furnace with the dust removal flue according to the present application;

[0022] Figure 4 A top view structure schematic view of the LF refining furnace with the dust removal flue according to the present application.

[0023] In the drawings, the components represented by each reference numeral are listed as follows:

[0024] 1, furnace body; 2, furnace cover; 3, flue; 4, mounting sleeve; 5, clamping rod; 6, top plate; 7, electric push rod; 8, connecting plate; 9, rotating motor; 10, rotating plate; 11, clamping plate; 12, mounting plate; 13, scraper; 14, placing groove; 15, clamping groove; 16, positioning rod; 17, connecting spring; 18, pull plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0027] Please refer to Figures 1-4As shown, the utility model is a kind of LF refining furnace with dust removal flue, including furnace body 1, furnace cover 2 and flue 3, furnace cover 2 is set on the upper end of furnace body 1, flue 3 is set on the upper surface of furnace cover 2, the inside of flue 3 is connected with the inside of furnace body 1, two mounting sleeves 4 are also set on the upper surface of furnace cover 2, two mounting sleeves 4 are set on the both sides of flue 3, clamping rod 5 is clamped in the inside of two mounting sleeves 4, top plate 6 is welded on the upper end of two clamping rods 5, electric push rod 7 is set on the lower surface of top plate 6, connecting plate 8 is welded on the lower surface of electric push rod 7, rotating motor 9 is fixed on the lower surface of connecting plate 8, conveniently control mounting plate 12 on the flue 3 up and down, cooperate with scraper 13 to scrape the dust accumulated in the inner wall of flue 3, and rotate while moving up and down, improve the removal of stubborn dust of scraper 13, improve the dust removal effect of device.

[0028] Rotating shaft is set on the lower surface of rotating motor 9, rotating plate 10 is welded on the lower surface of rotating shaft, two clamping plates 11 are welded on the circumferential side of rotating plate 10, two clamping plates 11 are oppositely arranged, mounting plate 12 is connected to one end of two clamping plates 11, mounting plate 12 is annular plate body structure, a plurality of scrapers 13 are arranged on the circumferential side of mounting plate 12, scraper 13 is in contact with the inside of flue 3, two placing grooves 14 are arranged on the upper surface of mounting plate 12.

[0029] The position of two placing grooves 14 is adapted to the position of two clamping plates 11, clamping groove 15 is arranged in the inside of two placing grooves 14, two clamping plates 11 slide between one end and the inside bottom surface of placing groove 14, and clamping groove 15 is arranged between one end of two clamping plates 11 and the inside.

[0030] Two positioning rods 16 are embedded on the upper surface of mounting plate 12, two positioning rods 16 are arranged above two clamping grooves 15, two positioning rods 16 extend to the inside of clamping groove 15 through the upper surface of mounting plate 12, and two positioning rods 16 are fixedly connected between lower end and one end of clamping plate 11, and pull plate 18 is welded on the upper end of two positioning rods 16.

[0031] Connecting spring 17 is arranged between the lower surface of two pull plates 18 and the upper surface of two mounting plates 12, two connecting springs 17 are arranged on the circumferential surface of positioning rod 16, to facilitate the installation and disassembly between mounting plate 12 and clamping plate 11, so as to facilitate the cleaning and maintenance of mounting plate 12 and scraper 13 in later period, improve the flexibility of device use.

[0032] Please refer to Figures 1-4As shown, the utility model is a LF refining furnace with dust removal flue, and the use method is: through electric push rod 7, rotation motor 9 and scraper 13 structure, conveniently control mounting plate 12 on the flue 3 up and down, cooperate scraper 13 to the dust that scrape off in the inner wall of flue 3 is accumulated, and rotate while moving up and down, improve the removal of stubborn dust of scraper 13, improve the dust removal effect of device, through the structure of clamping plate 11, clamping groove 15 and positioning rod 16, the installation and dismounting between mounting plate 12 and clamping plate 11 are convenient, thereby being convenient for the cleaning and maintenance of mounting plate 12 and scraper 13 in later period, improve the flexibility of device use.

[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above disclosed preferred embodiments of the utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A LF refining furnace with dust removal flue, comprising a furnace body (1), a furnace cover (2) and a flue (3), characterized in that: The furnace cover (2) is arranged on the upper end of the furnace body (1), the flue (3) is arranged on the upper surface of the furnace cover (2), the inside of the flue (3) is communicated with the inside of the furnace body (1), the upper surface of the furnace cover (2) is also provided with two mounting sleeves (4), two mounting sleeves (4) are arranged on both sides of the flue (3), the inside of two mounting sleeves (4) is clamped with a clamping rod (5), the upper end of two clamping rods (5) is welded with a top plate (6), the lower surface of the top plate (6) is provided with an electric push rod (7), the lower surface of the electric push rod (7) is welded with a connecting plate (8), the lower surface of the connecting plate (8) is fixed with a rotating motor (9).

2. The LF refining furnace with a dust removal flue according to claim 1, characterized in that, The lower surface of the rotating motor (9) is provided with a rotating shaft, the lower surface of the rotating shaft is welded with a rotating plate (10), the peripheral side of the rotating plate (10) is welded with two clamping plates (11), two clamping plates (11) are oppositely arranged, one end of two clamping plates (11) is connected with a mounting plate (12).

3. The LF refining furnace with a dust removal flue according to claim 2, characterized in that, The mounting plate (12) is an annular plate body structure, a plurality of scraper plates (13) are arranged on the peripheral side of the mounting plate (12), the scraper plates (13) are in contact with the inside of the flue (3), the upper surface of the mounting plate (12) is provided with two placing grooves (14).

4. The LF refining furnace with a dust removal flue according to claim 3, characterized in that, The positions of two placing grooves (14) are adapted to the positions of two clamping plates (11), and two placing grooves (14) are provided with clamping grooves (15) inside.

5. The LF refining furnace with a dust removal flue according to claim 4, characterized in that, One end of two clamping plates (11) slides between the inside bottom surface of the placing groove (14), and the other end of the clamping plate (11) is clamped with the clamping groove (15).

6. The LF refining furnace with a dust removal flue according to claim 2, characterized in that, The upper surface of the mounting plate (12) is also embedded with two positioning rods (16), two positioning rods (16) are arranged above two clamping grooves (15), and the lower ends of two positioning rods (16) penetrate the upper surface of the mounting plate (12).

7. The LF refining furnace with a dust removal flue according to claim 6, characterized in that, The lower ends of two positioning rods (16) extend into the clamping grooves (15), the lower ends of two positioning rods (16) are clamped and fixed with one end of the clamping plate (11), and the upper ends of two positioning rods (16) are welded with pull plates (18).

8. The LF refining furnace with a dust removal flue according to claim 7, characterized in that, Two pull plates (18) are arranged on the upper surface of two mounting plates (12), and two connecting springs (17) are arranged on the peripheral side of the positioning rod (16).

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