CN201364035Y

CN201364035Y - Movable semi-closed guiding cover

Info

Publication number: CN201364035Y
Application number: CNU2009200037481U
Authority: CN
Inventors: 孙江涛; 杨明渊
Original assignee: WUXI DONGXIONG HEAVY ARC-FURNACE Co Ltd
Current assignee: WUXI DONGXIONG HEAVY ARC-FURNACE Co Ltd
Priority date: 2009-01-23
Filing date: 2009-01-23
Publication date: 2009-12-16
Anticipated expiration: 2019-01-23

Abstract

The utility model discloses a movable semi-closed guiding cover, which comprises a fixing cover connected with a transformer room, the fixing cover is movably abutted with a movable cover, the movable cover is provided with a forced smoke outlet, the movable cover sliding on a runway track via connected wheels can move to a position above an arc furnace or move away from the position above the same, rotation of the wheels is controlled by a motor, and the runway track is fixed on upright posts of a factory building. The movable semi-closed guiding cover has the advantages of 1, being capable of controlling diffusion area and range of smoke and dust to the utmost extend, 2, increasing smoke and dust collecting rate of a large cover of the roof, 3, reducing light pollution and noise pollution of the arc furnace, 4, reducing unit dust concentration of an operation platform, 5, effectively decreasing smoke and gas collecting area of the large cover of the roof, and 6, effectively reducing designed air extraction volume of collecting equipment of a dust removing system and reducing initial investment expense of the dust removing system and running cost.

Description

Move semiclosed kuppe

Technical field

The utility model relates to kuppe, is meant the mobile semiclosed kuppe of electric arc furnaces dedusting especially.

Background technology

At the smoke evacuation of ultra high electric arc furnace, the collection cigarette form that at present all adopts stove to collect outward to combine inside and outside cigarette or the stove, and stove collects the cigarette catching apparatus outward and adopts the big cover in roof usually.

For the operation that do not influence shop traveller with reduce of the influence of smoke catching equipment to smelting process, the big cover in roof is arranged on the electric arc furnaces top and needs to satisfy the requirement for height of driving operation, at this moment, the space length of big cover bottom, roof and electric arc furnaces is far away, flue dust in uphill process to around diffusion, and be subjected to the influence of factory building beam wind easily, when causing flue dust to rise to the big cover negative pressuren zone in roof, the flue dust area is bigger than normal, has improved the smoke catching difficulty and the exhausting amount of the big cover in roof.

The utility model content

In view of this, the utility model is to provide and moves semiclosed kuppe, with the flue dust that the solves above-mentioned electric arc furnaces problem of easily collecting not.

For addressing the above problem, the utility model provides and moves semiclosed kuppe, comprise: the fixed cover that connects transformer room, fixed cover docks with movable guard is movable, has the forced fume exhaust mouth on the movable guard, movable guard, moves to the electric arc furnaces top or removes from the electric arc furnaces top along sliding on the track girder by the wheel that connects; Wheel is rotated by Electric Machine Control, and track girder is fixed on the arc furnace platform on factory building column and ground.

Semiclosed kuppe of the present utility model has following characteristics:

1. control is flexible, and cover body is opened when reinforced, closes when normally smelting;

2. when cover body was closed, flue dust was all discharged by the pressure outlet flue that is arranged on the cover body top, has limited the diffusion area of flue dust to greatest extent, can set the rising trace of flue dust simultaneously, improves the dust arrestment rate of the big cover in roof;

3. when cover body was closed, because of the heat energy effect of electric arc furnaces, the environmental gas temperature raise in the cover body, had reduced the rise rate of decay of hot kinetic energy of flue dust, accelerated the speed that flue dust rises, and had improved the height that flue dust rises under self hot kinetic energy effect;

4. the light pollution and the noise pollution that produce in the time of can effectively reducing electric arc furnace smelting;

5. can reduce the post dust concentration of operating platform, improve operator's processing safety, improve operator's labour health condition;

6. when electric arc furnaces dust pelletizing system smoke catching equipment adopts the big cover in roof, this is set moves half-sealed cover, can effectively reduce the smoke catching area of the big cover in roof, reduce system's exhausting amount, finally can reduce the initial outlay expense and the operating cost of system equipment.

Description of drawings

Fig. 1 is the front view of embodiment;

Fig. 2 is the vertical view of embodiment;

Fig. 3 is that the A of Fig. 2 is to view.

The specific embodiment

For clearly demonstrating the technical scheme in the utility model, provide preferred embodiment below and be described with reference to the accompanying drawings.

Referring to Fig. 1 to Fig. 3, semiclosed kuppe comprises: the fixed cover 11 that connects transformer room, fixed cover 11 and movable guard 13 movable butt joints, has forced fume exhaust mouth 12 on the movable guard 13, movable guard 13 belows are electric arc furnaces 18, the wheel 15 that movable guard 13 passes through to connect is along sliding on the track girder 17, and wheel 15 is rotated by motor 14 controls.

Track girder 17 is fixed on the arc furnace platform on factory building column 16 and ground.

By the rotation of wheel 15, drive movable guard 13 along moving on the track girder 17, remove from the top of electric arc furnaces, be convenient in electric arc furnaces 18, add materials; When movable guard 13 moves to electric arc furnaces 18 tops, be docking together with movable guard 13, can effectively collect the flue dust of electric arc furnaces 18.

Semiclosed kuppe of the present utility model has following characteristics:

For the mobile semiclosed kuppe of being set forth among each embodiment of the utility model, all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of mobile semiclosed kuppe, it is characterized in that, comprise: the fixed cover (11) that connects transformer room, fixed cover (11) docks with movable guard (13) is movable, has forced fume exhaust mouth (12) on the movable guard (13), movable guard (13) is gone up along track girder (17) by the wheel (15) that connects and is slided, and moves to above the electric arc furnaces (18) or from electric arc furnaces (18) top and removes; Wheel (15) is rotated by motor (14) control, and track girder (17) is fixed on the arc furnace platform on factory building column (16) and ground.