Direct-current submerged arc furnace short net

Abstract

The utility model relates to the technical field of metallurgy, and discloses a direct current submerged arc furnace short net. Comprising a furnace body and further comprises a mounting disc arranged at the top of the furnace body, a short net body is arranged above the mounting disc, and a mounting frame is arranged above the short net body; according to the short net convenient to install, the short net body can be conveniently and rapidly installed through the installation mechanism, the needed labor cost and time cost can be correspondingly reduced, and therefore the overall installation cost is reduced, the installation period of a submerged arc furnace can be remarkably shortened through the short net convenient to install, and the service life of the submerged arc furnace is prolonged. According to the method, the project can be completed more quickly, so that the project can be put into production earlier, the economic benefit is improved, the installation quality can be improved through simplified installation steps and clear installation guidance, errors and omissions in the installation process are reduced, and the reliability and safety of the short network are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical technical field, concretely is a kind of short network of direct current electric arc furnace. BACKGROUND

[0002] Direct current electric arc furnace is a kind of metallurgical equipment, using direct current power supply to introduce furnace bottom electrode to form arc, high-temperature melting ore, it has high current density, high arc temperature and arc stability etc.

[0003] Short network is the main power supply equipment of secondary circuit between electric furnace transformer and electrode of direct current electric arc furnace, it can efficiently and stably transfer low-voltage large current to furnace charge, therefore, short network needs to be used, but the structure of traditional direct current electric arc furnace short network is relatively complex, involves multiple components and connecting points. This increases the difficulty and time of installation, due to installation complexity and technical requirements, the short network inconvenient to install will lead to the increase of installation cost, including labor cost, material cost and possible delay cost, the inconvenience of installation process can lead to the extension of construction period, in turn affect the progress and commissioning time of entire electric arc furnace project, bring economic loss to enterprise. SUMMARY

[0004] The utility model aims at providing a kind of short network of direct current electric arc furnace to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of short network of direct current electric arc furnace, including furnace body, further comprising:

[0006] Mounting disc is arranged at the top of furnace body, short network body is arranged above the mounting disc, and mounting frame is arranged above the short network body;

[0007] Mounting mechanism for installing short network body is arranged in the inner cavity of mounting frame, the mounting mechanism includes positioning ring fixed to the inner wall of mounting frame, and the inner wall of positioning ring is connected with the outer side of short network body, the outer side of short network body is connected with limiting ring, and the outer side of limiting ring is fixedly connected with connecting seat.

[0008] Preferably, the inner wall of connecting seat is rotatably connected with connecting shaft, and the outer side of connecting shaft is rotatably connected with connecting plate.

[0009] Preferably, the inner wall of connecting plate is rotatably connected with mounting shaft, and the outer side of mounting shaft is rotatably connected with moving seat.

[0010] Preferably, the inner wall of moving seat is slidably connected with mounting column, and the outer side of mounting column is provided with spring.

[0011] Preferably, one end of the mounting column is fixedly connected with a positioning plate, and one side of the positioning plate is fixedly connected with the inner wall of the mounting frame.

[0012] Preferably, the top of the mounting disc is fixedly connected with a support block for fixing the mounting frame, and the top of the mounting disc is provided with a pipe body.

[0013] Preferably, the inner wall of the furnace body is clamped with a baffle, and the inner wall of the furnace body is provided with a plurality of notches.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The installation mechanism is provided, so that the short net body can be quickly installed, the labor cost and time cost are reduced, the overall installation cost is reduced, the installation period of the electric arc furnace is shortened, the project is completed faster, the production is started earlier, the economic benefit is improved, the installation quality is improved, the errors and omissions in the installation process are reduced, and the reliability and safety of the short net are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A preferred embodiment of the direct current electric arc furnace short net provided by the utility model is shown in the structure schematic view.

[0017] Figure 2 The mounting disc and the mounting frame structure schematic view provided by the utility model is shown in the structure schematic view.

[0018] Figure 3 The mounting frame and the support block structure schematic view provided by the utility model is shown in the structure schematic view.

[0019] Figure 4 For Figure 3 The enlarged structure schematic view of the A shown.

[0020] In the figure: 1, furnace body; 2, mounting disc; 3, short net body; 4, mounting frame; 5, installation mechanism; 51, positioning ring; 52, limiting ring; 53, connecting seat; 6, connecting shaft; 7, connecting plate; 8, mounting shaft; 9, moving seat; 10, mounting column; 11, spring; 12, positioning plate; 13, support block; 14, pipe body; 15, baffle; 16, notch. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 As shown in FIG. 1, a short net of a direct current electric arc furnace, comprising a furnace body 1, by setting the furnace body 1, the direct current can be applied to smelting of the electric arc furnace, the top of the furnace body 1 is provided with a mounting disc 2, by setting the mounting disc 2, the pipe body 14 can be conveniently communicated, the upper side of the mounting disc 2 is provided with a short net body 3, by setting the short net body 3, low voltage and large current can be conveniently transported into the electric arc furnace, the upper side of the short net body 3 is provided with a mounting frame 4, by setting the mounting frame 4, the positioning ring 51 can be conveniently fixed, the mounting mechanism 5 for mounting the short net body 3 is arranged in the inner cavity of the mounting frame 4, the mounting mechanism 5 comprises a positioning ring 51 fixed to the inner wall of the mounting frame 4, by setting the positioning ring 51, the short net body 3 can be conveniently limited, and the inner wall of the positioning ring 51 is connected with the outer side of the short net body 3, the outer side of the short net body 3 is connected with a limiting ring 52, by setting the limiting ring 52, the short net body 3 can be conveniently connected, the outer side of the limiting ring 52 is fixedly connected with a connecting seat 53, by setting the connecting seat 53, the limiting ring 52 can be conveniently connected.

[0023] The inner wall of the connecting seat 53 is rotatably connected with a connecting shaft 6, by setting the connecting shaft 6, the connecting seat 53 can be conveniently rotated, the outer side of the connecting shaft 6 is rotatably connected with a connecting plate 7, by setting the connecting plate 7, the connecting shaft 6 can be conveniently rotatably connected; the inner wall of the connecting plate 7 is rotatably connected with a mounting shaft 8, by setting the mounting shaft 8, the moving seat 9 can be conveniently connected, the outer side of the mounting shaft 8 is rotatably connected with a moving seat 9, by setting the moving seat 9, the moving seat 9 can be conveniently slid on the outer side of the mounting column 10; the inner wall of the moving seat 9 is slidably connected with a mounting column 10, by setting the mounting column 10, the spring 11 can be conveniently mounted, the outer side of the mounting column 10 is provided with a spring 11, by setting the spring 11, the moving seat 9 can be conveniently reset, and one end of the spring 11 is fixedly connected with one side of the moving seat 9, the other end of the spring 11 is mounted on one side of the positioning plate 12; one end of the mounting column 10 is fixedly connected with a positioning plate 12, by setting the positioning plate 12, the mounting column 10 can be conveniently fixed, and one side of the positioning plate 12 is fixedly connected with the inner wall of the mounting frame 4.

[0024] The top of the mounting disc 2 is fixedly connected with a support block 13 for fixing the mounting frame 4, the top of the mounting disc 2 is provided with a pipe body 14, by setting the pipe body 14, heat can be conveniently transported.

[0025] The inner wall of the furnace body 1 is clamped with a baffle 15, by arranging the baffle 15, the furnace body 1 can be closed conveniently, the inner wall of the furnace body 1 is provided with a plurality of notches 16, by arranging the notches 16, the fuel can be added into the furnace body 1.

[0026] Working principle: in use, direct current is used to enter the furnace charge through the electrode, the heat effect of the current is used to heat the furnace charge, so that it reaches the required temperature of melting or reduction, the low voltage and large current output by the transformer is delivered to the electrode in the furnace by the short net body 3, the low resistance and low reactance characteristics of the short net body 3 are used to ensure that the electric energy is efficiently and stably transmitted to the furnace charge, so that the smelting process such as heating, melting and reduction is realized, when it is necessary to install the short net body 3, the short net body 3 is installed on the inner wall of the positioning ring 51, at this time, the moving seat 9 is reset through the reaction force of the spring 11 itself, the mounting shaft 8 in the inner wall of the moving seat 9 rotates with the connecting plate 7, the connecting plate 7 is connected with the connecting seat 53 through the connecting shaft 6, so that the limiting ring 52 fixedly connected on one side of the connecting seat 53 is reset, the inner wall of the limiting ring 52 is tightly attached to the outer side of the short net body 3, so that the short net body 3 is installed and positioned.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between such entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or further includes elements inherent in such a process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A short net for a direct current (DC) submerged arc furnace comprising a furnace body (1), characterized in that, Also include: The installation disc (2) is arranged at the top of the furnace body (1), the upper side of the installation disc (2) is provided with a short net body (3), and the upper side of the short net body (3) is provided with an installation frame (4); The installation mechanism (5) is arranged in the inner cavity of the installation frame (4) and used for installing the short net body (3), the installation mechanism (5) comprises a positioning ring (51) fixed to the inner wall of the installation frame (4), the inner wall of the positioning ring (51) is connected with the outer side of the short net body (3), the outer side of the short net body (3) is connected with a limiting ring (52), and the outer side of the limiting ring (52) is fixedly connected with a connecting seat (53).

2. A short net for a direct current submerged arc furnace as claimed in claim 1, characterized in that: The inner wall of the connecting seat (53) is rotatably connected with a connecting shaft (6), and the outer side of the connecting shaft (6) is rotatably connected with a connecting plate (7).

3. A short circuit for a direct current submerged arc furnace as claimed in claim 2, characterized in that: The inner wall of the connecting plate (7) is rotatably connected with a mounting shaft (8), and the outer side of the mounting shaft (8) is rotatably connected with a moving seat (9).

4. A short circuit for a direct current submerged arc furnace as claimed in claim 3, characterized in that: The inner wall of the moving seat (9) is slidably connected with a mounting column (10), and the outer side of the mounting column (10) is provided with a spring (11).

5. A short circuit for a direct current submerged arc furnace as claimed in claim 4, characterized in that: One end of the mounting column (10) is fixedly connected with a positioning plate (12), and one side of the positioning plate (12) is fixedly connected with the inner wall of the installation frame (4).

6. A short circuit for a direct current submerged arc furnace as claimed in claim 1, characterized in that: The top of the installation disc (2) is fixedly connected with a supporting block (13) used for fixing the installation frame (4), and the top of the installation disc (2) is provided with a pipe body (14).

7. A short circuit for a direct current submerged arc furnace as defined in claim 1, characterized in that: The inner wall of the furnace body (1) is connected with a baffle (15), and the inner wall of the furnace body (1) is provided with a plurality of notches (16).

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