CN201639809U

CN201639809U - Energy-saving bus of submerged arc furnace

Info

Publication number: CN201639809U
Application number: CN2010201643975U
Authority: CN
Inventors: 肖放; 肖应琼
Original assignee: HUBEI TIANFANG TECHNOLOGY Co Ltd
Current assignee: HUBEI TIANFANG TECHNOLOGY Co Ltd
Priority date: 2010-04-07
Filing date: 2010-04-07
Publication date: 2010-11-17
Anticipated expiration: 2020-04-07

Abstract

The utility model relates to an energy-saving bus of a submerged arc furnace, which belongs to the technical field of electric energy conservation of submerged arc furnaces, and mainly aims to solve the problems of the heavy-current bus of the short network of the conventional submerged arc furnace of high reactive power, high operation consumption, large use amount of copper material. The energy-saving bus is mainly characterized in that rectangular copper tubes, an insulated partition plate, insulated fixed plates, conductive connecting plates and water joint parts are included, wherein the long edges of the rectangular copper tubes are arranged side by side; the insulated partition plate is arranged between the rectangular copper tubes; the rectangular copper tubes are clamped and fixed into a whole by the insulated fixed plates in sections; the conductive connecting plates are welded at two ends of each rectangular copper tube, and are connected between in-phase terminals of the short network; water inlet joints and water outlet joints are arranged on the rectangular copper tubes; and the rectangular copper tubes are externally connected with circulating water for cooling through the water inlet joints and water outlet joints. The energy-saving bus with small size, low operation consumption and small use amount of copper material can effectively increase the power factor of short network of submerged arc furnace, and can be widely used for the technical transformation of electric energy conservation of the short network system in submerged arc furnace.

Description

The energy-conservation bus of the hot stove in ore deposit

Technical field

The utility model belongs to ore deposit hot stove electric energy-saving technical field.Be specifically related to the energy-conservation bus of the hot stove in ore deposit that the short net of the hot stove in a kind of ore deposit is used.

Background technology

At present, the short net electric current of the hot stove in ore deposit is generally greater than more than the 10kA, and short net and transformer bay current bus bar electric conductor are copper bar.The copper bar ampacity is bigger, and the self-heating amount is greatly again that air is self cooling during operation, so copper bar must leave bigger heat dissipation channel and insulation spacing when mounted; Because the copper bar spacing is bigger, current field just can not effectively be offset between confluence copper bar, and the bus inductance value is big, needs to absorb a large amount of lagging reactive powers of electrical network, causes power factor of ore furnace low; Simultaneously, confluence copper bar is moved under big current condition for a long time, since eddy current, kelvin effect effect and the more high factor affecting of ambient temperature of alternating current, bus active loss height, and current capacity is low, needs big with the copper material amount simultaneously.

Summary of the invention

The purpose of this utility model provides a kind of ore deposit short net of hot stove system that can be applicable to, and can effectively improve the power factor level of the ore deposit short net of hot stove system, can reduce the energy-conservation bus of the hot stove in ore deposit of bus running wastage and the used copper material of bus simultaneously.

Technical solution of the present utility model is: the energy-conservation bus of the hot stove in a kind of ore deposit is characterized in that: it comprises rectangle copper pipe, insulation gap plate, insulation fixed head, conductive connection plates and water swivel part; Wherein, the rectangle copper pipe is grown the limit side by side, and insulation gap plate pad is between the rectangle copper pipe, and the segmentation of insulation fixed head is fixedly clamped the rectangle copper pipe in aggregates; Conductive connection plates is welded on rectangle copper pipe two ends, and conductive connection plates is connected between short net homophase terminal; The rectangle copper pipe is provided with the water-in and water-out joint, and the rectangle copper pipe is by the external recirculated water cooling of water-in and water-out joint.

Its end section of rectangle copper pipe described in the technical solution of the utility model is rectangular, and the ratio of its length and width size is greater than 5.

The utility model is owing to adopt by two rectangle copper pipes, the spacer insulator plate, conductive connection plates, cleat insulator, the energy-conservation bus of the hot stove in the ore deposit that water swivel is partly formed, wherein, the long limit of rectangle copper pipe side by side, insulation gap plate pad is between the rectangle copper pipe, the segmentation of insulation fixed head is fixedly clamped the rectangle copper pipe in aggregates, conductive connection plates is welded on rectangle copper pipe two ends, conductive connection plates is connected between short net homophase terminal, the rectangle copper pipe is provided with into, water out adapter, the rectangle copper pipe is by advancing, the external recirculated water cooling of water out adapter, its end section of used copper pipe is rectangular, and the ratio of its length and width size should be greater than 5, thereby, when two parallel rectangle copper pipes are connected on the same phase line of transformer, two copper pipe size of current equal directions are opposite, and simultaneously, two copper pipes spatially are parallel symmetric arrays, plumbers shed can be ignored apart from relative busbar cross-section size, therefore two copper pipe magnetic fields that electric current produces are bordering on whole counteractings in the space, and the bus inductance minimizes, thereby have improved the short net power factor of the hot stove in ore deposit level.In addition owing to adopted rectangle copper pipe and water cooling plant, can reduce copper pipe under big current condition because of eddy current and active loss that kelvin effect produces, improved the current capacity of bus simultaneously, reduced the copper material expense of bus.The utlity model has cocoa and effectively improve the short net power factor of the hot stove in ore deposit level, have characteristics such as volume is little, running wastage is low, the copper material expense is little.The utility model can be widely used in the electric energy-saving technological transformation of the ore deposit short net of hot stove system.

Description of drawings

Fig. 1 is the utility model profile front view;

Fig. 2 is the utility model profile left view;

Fig. 3 is the utility model internal structure cutaway view.

Embodiment

As shown in Figure 1, rectangle copper pipe 1,2 long limits side by side, 1,2 of rectangle copper pipes are lined with an insulation gap plate 3, and there are a plurality of insulation fixed heads 8,9 in rectangle copper pipe 1,2 outsides, and by bolt 10 clampings two rectangle copper pipes 1,2 and insulation gap plate 3 are fixed into an integral body.Rectangle copper pipe 1,2 two ends are welded with conductive connection plates 4,5,6,7 respectively, and conductive connection plates 4,6 alternate terminals with the ore heat furnace transformer low-pressure side link to each other, and conductive connection plates 5,7 links to each other with the short net electrode of the hot stove in ore deposit.Rectangle copper pipe 1,2 transmits the transformer in-phase current, because of in-phase current intensity equal direction opposite, rectangle copper pipe 1,2 electric currents around the conductor the magnitude of field intensity equal direction that produces opposite, because rectangle copper pipe 1,2 parallel closely arrangements, current field is almost completely offset in the space, bus equivalent electric sensibility reciprocal is very little, and required lagging reactive power is very low, thereby has improved the short net power factor of the hot stove in ore deposit level.

As shown in Figure 2, rectangle copper pipe 1,2 two ends are welded with water swivel 11,12, and recirculated water is introduced in the rectangle copper pipe by water swivel 11,12, and water-cooled has reduced the copper pipe temperature rise, reduce the supplementary load loss that copper pipe is produced simultaneously under high ambient conditions, improved bus safe operation ability.

As shown in Figure 3, rectangle copper pipe 1,2 cross section length-width ratios are generally greater than 5, can guarantee tightness between the rectangle copper pipe 1,2 like this, can effectively reduce simultaneously copper pipe under big current work condition because eddy current and kelvin effect active loss that effect produces, increase the copper pipe current capacity simultaneously, reduced bus copper material consumption.Because adopt rectangle copper pipe and water cooling plant, bus has been realized the energy-saving safe operation.

Claims

1. energy-conservation bus of the hot stove in ore deposit is characterized in that: it comprises rectangle copper pipe (1,2), insulation gap plate (3), insulation fixed head (8,9), conductive connection plates (4,5,6,7) and water swivel (11,12) part; Wherein, rectangle copper pipe (1,2) is grown the limit side by side, and insulation gap plate (3) fills up between rectangle copper pipe (1,2), and the segmentation of insulation fixed head (8,9) is fixedly clamped rectangle copper pipe (1,2) in aggregates; Conductive connection plates (4,5,6,7) is welded on rectangle copper pipe (1,2) two ends, and conductive connection plates (4,5,6,7) is connected between short net homophase terminal; Rectangle copper pipe (1,2) is provided with water-in and water-out joint (11,12), and rectangle copper pipe (1,2) is by the external recirculated water cooling of water-in and water-out joint (11,12).

2. the energy-conservation bus of the hot stove in ore deposit according to claim 1 is characterized in that: its end section of described rectangle copper pipe (1,2) is rectangular, and the ratio of its length and width size is greater than 5.