Submerged arc furnace short network system busbar

Abstract

The utility model discloses a busbar of a submerged arc furnace short network system, and relates to the technical field of submerged arc furnaces. The busbar comprises a busbar body frame and glands, the top of the busbar body is connected with a hanging bracket on an electrode cylinder of the submerged arc furnace through fasteners, a plurality of first arc grooves are formed in the two outer side walls of the busbar body frame, the number of the glands corresponds to the number of the first arc grooves, second arc grooves are formed in the side walls of the glands, and the first arc grooves are communicated with the second arc grooves. After the second arc groove and the first arc groove are buckled, the two ends of the gland are connected with the busbar body frame through fasteners, and the diameter of the second arc groove and the diameter of the first arc groove are the same as the diameter of a copper pipe of a short net system. The copper pipes with different lengths are connected to the busbar main body frame, so that the connection mode of the copper pipes on the busbar is more regular, the problem that the lengths of the copper pipes between the outgoing line terminal of the transformer and the copper tiles are different can be effectively solved, the magnitude of current on each copper tile (or holder) tends to be uniform, the arcing phenomenon is reduced, and the equipment damage risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ore heating furnace, especially relates to a ore heating furnace short net system busbar. BACKGROUND

[0002] At present, the existing ore heating furnace short net system in domestic is the connection conductive mode of transformer - short net copper pipe - water cooling cable - furnace copper pipe - copper tile (or holder) - electrode. Because the transformer outlet terminal to the electrode usually needs to carry out the phase jump processing, makes the copper pipe length between the transformer outlet terminal and copper tile not to be one, causes the current size on each copper tile (or holder) not to be one, easily occurs the arc striking phenomenon, seriously damages the equipment. SUMMARY

[0003] In view of the above technical problem, the utility model provides a ore heating furnace short net system busbar for solving the copper pipe length between the transformer outlet terminal of existing ore heating furnace short net and copper tile not to be one, easily occurs the arc striking phenomenon.

[0004] In order to realize the above purpose, the technical scheme of the utility model is as follows:

[0005] A ore heating furnace short net system busbar, including busbar mainframe and gland, the busbar main body top is connected with the hanger of ore heating furnace through connecting bolt, the two outer side walls of busbar mainframe are equipped with a plurality of first circular arc groove, the number of gland corresponds to the number of first circular arc groove, the sidewall of gland is equipped with second circular arc groove, after the second circular arc groove and first circular arc groove buckle, the both ends of gland are connected with busbar mainframe through fastener, the diameter of second circular arc groove and first circular arc groove is same with the diameter of copper pipe of short net system.

[0006] Further, the first circular arc groove and the second circular arc groove form a clamping hole after buckling, the vertical diameter of the clamping hole is same with the diameter of the copper pipe of the short net system, and the horizontal diameter of the clamping hole is 5mm less than the diameter of the copper pipe of the short net system.

[0007] Further, the first circular arc groove is evenly distributed on the two outer side walls of the busbar mainframe.

[0008] Compared with the prior art, the utility model has the beneficial effects that:

[0009] 1、 by connecting copper pipes of different lengths on the busbar main frame, using the clamping hole formed by the first circular groove and the gland buckle connection, the connection mode of the copper pipe on the busbar is more regular, which can effectively solve the problem of different lengths of copper pipes between the transformer outlet terminal and the copper tile, and further make the current size on each copper tile (or holder) tend to be uniform, reduce the arc phenomenon, reduce the risk of equipment damage, the busbar main frame is connected with the suspension bracket of the electric furnace through fasteners, and the two ends of the gland are also connected with the busbar main frame through fasteners, this structure is convenient for installation and disassembly, and convenient for maintenance work such as overhaul and replacement of copper pipes;

[0010] 2、 the clamping hole formed by the buckle connection of the first circular groove and the second circular groove, the vertical diameter is the same as the diameter of the copper pipe, and the horizontal diameter is 5mm smaller than the diameter of the copper pipe, this design can tightly clamp the copper pipe, ensure the stable connection between the copper pipe and the busbar, prevent the copper pipe from loosening and falling off due to vibration or other factors, and improve the reliability and safety of the whole short net system;

[0011] 3、 the first circular grooves are uniformly distributed on the two outer side walls of the busbar main frame, so that the installation position of the copper pipe is more clear, and the operation and management are convenient; BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure schematic view of the utility model;

[0013] Figure 2 It is a sectional structure schematic view of the utility model.

[0014] In the drawing:

[0015] 1、 busbar main frame; 2、 gland; 3、 connecting bolt; 4、 nut; 5、 washer; 6、 suspension bracket; 7、 fastener; 8、 fastening bolt; 9、 first circular groove; 10、 second circular groove; 11、 clamping hole. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear and clear, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0017] A short net system busbar of an electric arc furnace, comprising a busbar body frame and a gland 2, the top of the busbar body frame is connected to the hanger of the electric arc furnace through connecting bolts 3, the two outer side walls of the busbar body frame 1 are provided with a plurality of first circular arc grooves 9, the number of the glands 2 corresponds to the number of the first circular arc grooves 9, the side wall of the gland 2 is provided with a second circular arc groove 10, after the second circular arc groove 10 is buckled with the first circular arc groove 9, the two ends of the gland 2 are connected to the busbar body frame 1 through fasteners 7, the diameters of the second circular arc groove 10 and the first circular arc groove 9 are the same as the diameter of the copper pipe of the short net system.

[0018] After the first circular arc groove 9 and the second circular arc groove 10 are buckled, a clamping hole 11 is formed, the vertical diameter of the clamping hole 11 is the same as the diameter of the copper pipe of the short net system, and the horizontal diameter of the clamping hole 11 is 5mm smaller than the diameter of the copper pipe of the short net system.

[0019] The first circular arc grooves 9 are evenly distributed on the two outer side walls of the busbar body frame 1.

[0020] In use:

[0021] 1. Install the busbar body frame 1: connect the top of the busbar body frame 1 to the hanger of the electric arc furnace through fasteners 7, and ensure that the busbar body frame 1 is stably installed in the appropriate position of the electric arc furnace.

[0022] 2. Determine the position of the copper pipe: according to the layout of the short net system of the electric arc furnace, place the copper pipe on the first circular arc grooves 9 on the two outer side walls of the busbar body frame 1. The first circular arc grooves 9 are evenly distributed on the two outer side walls of the busbar body frame 1, which facilitates the positioning and installation of the copper pipe.

[0023] 3. Install the gland 2: align the second circular arc groove 10 on the side wall of the gland 2 with the first circular arc groove 9 and buckle them, and then connect the two ends of the gland 2 to the busbar body frame 1 through fasteners 7. After buckling, the clamping hole 11 formed has the same vertical diameter as the diameter of the copper pipe of the short net system, and the horizontal diameter is 5mm smaller than the diameter of the copper pipe. This design allows the copper pipe to be firmly clamped between the busbar body frame 1 and the gland 2, limiting the movement of the copper pipe in the horizontal direction, while ensuring the close fit of the copper pipe in the vertical direction, and ensuring good contact between the copper pipe and the busbar.

[0024] 4. Connecting copper pipe: the fastener 7 is composed of a fastening bolt 8, a nut 4 and a washer 5, the fastening bolt 8 is connected with the nut 4 with loosening, the copper pipe of the short net system is passed through the clamping hole 11 according to the design requirement, then the fastening bolt 8 is tightened, the copper pipe is fastened and connected, the washer 5 can prevent the loosening of the matched connection of the fastening bolt 8 and the nut 4 due to external reasons, so that the copper pipe is tightly connected with the busbar main body frame 1 and the gland 2. Since the diameters of the first circular arc groove 9 and the second circular arc groove 10 are the same as the diameter of the copper pipe, and the vertical diameter of the clamping hole 11 is consistent with the diameter of the copper pipe, the copper pipe can be accurately positioned in the installation process, and remains stable in the whole system operation process.

[0025] Through the above specific embodiments, the installation and optimization of the short net system busbar of the ore smelting furnace are realized, the problem of the different lengths of the copper pipes between the existing ore smelting furnace short net transformer outlet terminals and copper tiles is effectively solved, the problem of easy arc striking is solved, and the stability and safety of the ore smelting furnace short net system are improved.

[0026] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A busbar for a short circuit network system of an electric arc furnace, characterized in that: The utility model relates to a short net system copper pipe clamping device, including the confluence main body frame and the gland (2), and the confluence row main body top is connected with the gallows (6) of the electric furnace through the connecting bolt (3), is equipped with a plurality of first circular arc grooves (9) in the two outer side walls of confluence row main body frame (1), the number of gland (2) corresponds with the number of first circular arc groove (9), is equipped with second circular arc groove (10) on the side wall of gland (2), after second circular arc groove (10) and first circular arc groove (9) buckle, the both ends of gland (2) are connected with confluence row main body frame (1) through fastener (7), and the diameter of second circular arc groove (10) and first circular arc groove (9) is same with the diameter of copper pipe of short net system.

2. A busbar for a short circuit system of a submerged arc furnace according to claim 1, characterized in that: The first circular arc groove (9) and the second circular arc groove (10) form a clamping hole (11) after buckling, the vertical diameter of the clamping hole (11) is the same as the diameter of the copper pipe of the short net system, and the horizontal diameter of the clamping hole (11) is 5mm smaller than the diameter of the copper pipe of the short net system.

3. A busbar for a short circuit system of a submerged arc furnace according to claim 2, characterized in that: The first circular arc grooves (9) are evenly distributed on the two outer side walls of the confluence row main body frame (1).

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