CN201159590Y

CN201159590Y - Collapsible water sealing skirt cover

Info

Publication number: CN201159590Y
Application number: CNU2007200773185U
Authority: CN
Inventors: 阮大昌
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd; Baosteel Group Corp
Priority date: 2007-12-26
Filing date: 2007-12-26
Publication date: 2008-12-03
Anticipated expiration: 2017-12-26

Abstract

The utility model discloses a detachable waterseal skirt cover which is fixed at the bottom of a heating furnace. The waterseal skirt cover, located at a waterseal groove, comprises a cover structure which is made up of four armor plates, each of which is provided with a hem at the upper end; connecting holes are arranged along the hems and are connected to the bottom of the furnace through connecting bolts and gaskets4; gasket seals are arranged between the hems and the bottom of the furnace. The utility model adopts an assembled structure and in the case of that the waterseal groove transforms or is damaged, no incision or welding processes are necessary, and the user only needs to disassemble the corresponding connecting bolts on the waterseal skirt cover when to replace the transformed or damaged component parts. So, the examining and repairing processes are simple and quick and the waterseal skirt cover can be quickly repaired, thus reducing processing time and improving the operation efficiency of the furnace.

Description

A kind of detachable water seal skirt cover

Technical field

The utility model relates to furnace apparatus, particularly a kind of detachable water seal skirt cover.

Background technology

Walking beam furnace is a kind of advanced heating furnace, and the slab quality temperature difference of heating is little, good evenness.The operation principle of walking beam furnace is the step rate periodic motion by activity, and slab is sent to the extraction side from the side of packing into, satisfies rolling line and produces needs.

Because step rate is by the periodic motion in stove, slab is moved, so a peristome that supplies walking beam to move is arranged in stove at furnace bottom, if peristome is not taked seal approach, cold air will suck from walking beam peristome in the stove, destroy in the stove empty right than and combustion atmosphere, cause and increase the weight of the oxidization burning loss of slab, influence heating quality and the rate of becoming a useful person.For this reason, must take the heating furnace seal approach, suck to prevent cold air walking beam peristome in the stove.Heating furnace all is to adopt to be provided with water sealed tank and water seal skirt cover at walking beam peristome place now, and by sealing of water seal trough inner water, secluding air enters in the stove, guarantees the combustion atmosphere in the stove.

The water seal skirt cover (being commonly called as welded type water seal skirt cover) of heating furnace use at present is an integral body, is weldingly fixed on the furnace bottom of heating furnace.

Because temperature extra-high-speed, especially high temperature orientation silicon steel stove in the heating-furnace, furnace temperature are up to more than 1390 ℃, this temperature has surpassed the fusing point (slab begins fusing in the time of 1320 ℃) of slab.After slab heating temperature in the stove surpassed 1320 ℃, slab began fusing, and toward dirty, often blast after going into the water sealed tank peristome, and water sealed tank is blown up by the part slag falls along beam column for slag (the scaling loss slag amount of orientation silicon steel account for slab amount 4%).

Because water seal skirt cover is weldingly fixed on the steel plate of furnace hearth, after blast distortion or the breakage, the equipment that influences runs well.During processing, at first repair and cut, and then repair or change welding (overhead welding) damaging parts.Because water sealed tank is below furnace bottom, construction environment is narrow and small, environment is abominable, and (water when handling the skirt cover in the water sealed tank need drain, temperature height in the stove, radiant heat is big), difficult treatment, and because the construction site is narrow and small, constructional difficulties, processing time is long, will directly have influence on the ordinary production activity duration of stove like this, simultaneously workmen healthy is had very big influence.

Summary of the invention

The purpose of this utility model provides a kind of detachable water seal skirt cover, need not cut and weld, can repair water seal skirt cover fast, reduce fault handling time because of water sealed tank distortion or damage back water seal skirt cover, alleviate workmen's labour intensity, improve the production operational availability of stove.

For achieving the above object, the technical solution of the utility model is,

A kind of detachable water seal skirt cover is fixed at the bottom of the heating furnace; Comprise the cover body structure that four block plates surround, described four block plates upper end is connected at the bottom of the heating furnace by coupling bolt, packing ring; Also establish gasket seal between at the bottom of flanging and the heating furnace.

Further, described four block plates upper end is flanging respectively, along offering connecting hole on the flanging length direction, and at the bottom of being connected in heating furnace by coupling bolt, packing ring.

Earlier skirt cover burst is put into water sealed tank during installation, because there is water beam column at the water sealed tank middle part, the skirt cover can not be assembled in advance in advance, can not put into after the assembling in advance, thereafter according to assembling sequence with require to carry out fastening and connection steel plate of furnace hearth of skirt cover assembling and fix.After sealing skirt cover damages, only need the bolt of damage or distortion place is unclamped, just can in time repair and change.

The beneficial effects of the utility model

After adopting the present invention, compare with the fixed water seal skirt cover of welding, after the sealed skirt cover damages, need not cut and weld, just can repair and change water seal skirt cover safely and fast, thereby the time of minimizing skirt cover damage post processing and reduction maintenance workmen's labour intensity are for the operating rate of stove provides strong assurance with producing normally.

Description of drawings

Fig. 1 is the structural representation of the utility model one embodiment;

Fig. 2 is a vertical view of the present utility model;

Fig. 3 is the A portion enlarged diagram of Fig. 1;

Fig. 4 is the B portion enlarged diagram of Fig. 2.

The specific embodiment

Referring to Fig. 1～Fig. 4, detachable water seal skirt cover 1 of the present utility model is fixed at the bottom of the heating furnace 2; Water seal skirt cover 1 is positioned at water sealed tank 6, and anti-material 7 is arranged on 2 steel plates at the bottom of the heating furnace.

Water seal skirt cover 1 comprises the cover body structure that four block plates 11 surround, and described four block plates 11 upper ends are flanging 111 respectively, along offering connecting hole 112 on flanging 111 length directions, and is connected at the bottom of the heating furnace 2 by coupling bolt 3, packing ring 4; Also establish gasket seal 5 at the bottom of flanging 111 and the heating furnace between 2.

After sealing skirt cover damages, only need the bolt of damage or distortion place is unclamped, just can in time repair and change.

In sum, the utility model adopts fabricated structure, if water sealed tank distortion or damage take place, does not need cutting and soldering, only needs coupling bolt, promptly replaceable distortion or damage parts on the relevant position on the dismounting water seal skirt cover.Maintenance is handled construction simply, fast like this, can repair water seal skirt cover fast, reduces the processing time, improves the production operational availability of stove.

Claims

1. a detachable water seal skirt cover is fixed at the bottom of the heating furnace; Comprise the cover body structure that four block plates surround, it is characterized in that described four block plates upper end is connected at the bottom of the heating furnace by coupling bolt, packing ring; Also establish gasket seal between at the bottom of flanging and the heating furnace.

2. detachable water seal skirt cover as claimed in claim 1 is characterized in that, described four block plates upper end is flanging respectively, along offering connecting hole on the flanging length direction, and at the bottom of being connected in heating furnace by coupling bolt, packing ring.