CN103215051A - Local-slippage construction method of furnace column - Google Patents

Abstract

The invention provides a local-slippage construction method of a furnace column. The local-slippage construction method of the furnace column comprises the following steps of: moving the furnace column towards the outer side; supporting a heightening column at the upper end of the furnace column for installing a coke oven shed, wherein an end enclosure plate is welded at each of the upper end head of the furnace column and the lower end head of the heightening column, respectively, the two end enclosure plates are superposed together and long slide slots of the same size are arranged on a plurality of corresponding positions on the two end enclosure plates, and bolts penetrate through the slide slots for locking and fixing; dismounting protective plates and modifying the inner part of the coke oven; mounting the protective plates; loosening the bolts penetrating through the slide slots, moving the furnace column towards the inner side, so that the furnace column is resisted against the protective plate, and applying force towards the outer side at the bottom end of the heightening column for enabling the heightening column to be erected. The local-slippage construction method of the furnace column can be used for preventing the coke oven shed from being dismounted repeatedly and can be used for completing some process of dismounting the protective iron pieces before normal construction, so that the working period is saved and the cost is lowered.

Description

The local gliding construction method of furnace stay

Technical field

The present invention relates to the local gliding construction method of a kind of furnace stay, be specifically related to the installation method of coke oven with protecting sheet, furnace stay.

Background technology

The installation of protecting coke oven ironware is the important step that coke oven is installed.The protecting coke oven ironware mainly comprises protecting sheet, furnace stay, firedoor frame, fire door four big parts compositions.Traditional erection sequence that the protecting coke oven ironware is installed is to allow protecting sheet directly contact with the body of building by laying bricks or stones of the refractory brick of coke oven end earlier, and the masonry heater capital is lived protecting sheet, and shove charge doorframe between two furnace stays side by side is installed in fire door on the firedoor frame at last.And in old coke oven improvement project, need on coke oven, to build a coke oven booth earlier, to play the effect of keeping off the rain and bearing some weight handling equipments.Building of coke oven booth is subjected to the place region limits.For example, through measuring, pushing machine only has 230mm apart from the distance of coke oven furnace stay on the production line that has, so building of coke oven booth need be erected on the furnace stay.Treat old coke oven improvement project refractory materials build by laying bricks or stones finish after, need to remove coke oven booth and furnace stay, adopt the installation method of traditional furnace retaining ironware to finish the installation of furnace retaining ironware again.Be not subjected to rainwater to dash pouring for satisfying coke oven therebetween, it is rain-proof shed temporarily to adopt building steel tube to build.The interim rain-proof shed poor stability of coke oven, potential safety hazard is many, increases construction cost and has a strong impact on the duration.Therefore, press for and a kind ofly can improve installation effectiveness, save the duration and reduce the novel construction method of potential safety hazard.

Summary of the invention

Technical problem to be solved by this invention is: at the problems referred to above, and the method that the object of the present invention is to provide high free removal coke oven booth of a kind of easy construction, efficient and furnace stay that protecting sheet can be installed.

The technical scheme that the present invention solves its technical problem employing is: the local gliding construction method of a kind of furnace stay comprises: mobile laterally furnace stay; On furnace stay, support and increase post in order to the coke oven booth to be installed, wherein the furnace stay upper end is welded with head plate respectively with increasing on the post lower end, described two head plates be superimposed and on two head plates the position of a plurality of correspondences be provided with onesize microscler chute, and adopt bolt to pass described chute to be locked; Remove protecting sheet and finish the pressures inside transformation;

Described protecting sheet is installed; And unclamp the bolt that passes described chute, move described furnace stay to the inside and make described furnace stay be close to described protecting sheet, and apply power laterally and guarantee to increase post and keep vertically increasing the post bottom.

Described two head plates are onesize rectangular steel plates.

Between described head plate, coat lubricant in the process that described two head plates are superimposed.

Described protecting sheet is installed is by removing top, the described coke oven booth outside watt, and described protecting sheet hung to fall from coke oven booth top install.

Be provided with the slippage bracing or strutting arrangement in the upper end of described furnace stay, described slippage bracing or strutting arrangement is used for supporting in described furnace stay upper end screw block to apply power laterally increasing the post bottom.

Described slippage bracing or strutting arrangement comprises bracing frame, spacer, screw block supporting plate and inserted link, wherein, support frame as described above comprises the perpendicular support in bottom, horizontal support, diagonal ligament and top are perpendicular to be supported, described bottom is perpendicular to be supported, horizontal support and diagonal ligament are welded into trilateral, and be welded with on the top of described horizontal support that described top is perpendicular to be supported, the perpendicular side of supporting is welded with the screw block supporting plate on described top, side at the close furnace stay of bracing frame is provided with spacer, spacer and bracing frame are fixed together, spacer comprises that 3 sections channel-section steels weld together the concave shape structure of formation, the channel-section steel of spacer both sides all is drilled with two through holes, and described inserted link can pass furnace stay from a side through hole of described spacer and be inserted into the opposite side through hole so that described slippage bracing or strutting arrangement is fixed on the described furnace stay.

Move to the inside in the process of described furnace stay by the top horizontal brace on the furnace stay and bottom tie rod top and bottom with the moved further furnace stay.

 

Beneficial effect of the present invention mainly is:

1, simple installation: this method has been avoided the repeated disassembled and assembled of coke oven booth, and has finished the operation that part furnace retaining ironware is installed before formal construction;

2, save the duration: according to conventional construction process in the past, finish time that the furnace retaining ironware of a coke oven installs about 30 days, utilize the actual installation time of this method then to shorten to about 20 days;

3, reduce cost: according to this programme the furnace retaining ironware being installed does not need repeated disassembled and assembled coke oven booth, does not need coke oven is done interim protection yet, and the duration of saving has also reduced artificial and mechanical one-shift expense.

Description of drawings

Fig. 1 is the front schematic view after the slippage laterally of coke oven furnace stay.

Fig. 2 is the schematic top plan view of furnace stay position after the slippage laterally of coke oven furnace stay.

Fig. 3 is the front schematic view after the slippage to the inside of coke oven furnace stay.

Fig. 4 is the schematic top plan view of furnace stay position after the slippage to the inside of coke oven furnace stay.

Fig. 5 is a slippage bracing or strutting arrangement synoptic diagram.

Among the figure: 1. increase post; 2. head plate; 3. top horizontal brace; 4. furnace stay; 5. protecting sheet; 6. bottom tie rod; 7. coke oven end; 8. slippage bracing or strutting arrangement; 9. spacer; 10. screw block supporting plate; 11. inserted link; 12. screw block; 13. bolt;Support 14. the bottom is perpendicular; 15. diagonal ligament; 16. horizontal support;Support 17. top is perpendicular; 18. steel plate; 19. coke oven booth.

Embodiment

In order to understand the present invention better, technical scheme of the present invention is described further below in conjunction with embodiment and accompanying drawing.Wherein, as shown in Figure 1,coke oven end 7 arranged outside have protecting sheet 5.Protectingsheet 5 arranged outside have furnace stay 4.After furnace stay 4 moves a segment distance laterally, spaced apart between protectingsheet 5 and the furnace stay 4.As shown in Figure 3, when furnace stay 4 moved to the normal position to the inside, furnace stay 4 withstood protectingsheet 5, and protectingsheet 5 is near the refractory brick on the coke oven end 7.Furnace stay 4 tops are provided with tophorizontal brace 3, and furnace stay 4 bottoms are provided with bottom tie rod 6.With the same in the prior art, the mobile of furnace stay is to realize by the nut that turns on thebottom tie rod 6 that is positioned at furnace stay 4 bottoms among the present invention, and the tophorizontal brace 3 that needs to be positioned at by adjustment furnace stay 4 tops after furnace stay moves into place is fastening.On furnace stay 4, supportcoke oven booth 19 by increasing post 1.Weld head plate 2 at furnace stay 4 upper ends on post 1 lower end with increasing.In one embodiment, as shown in Figure 5, twohead plates 2 are onesize rectangular steel plates, and twohead plates 2 are provided withmicroscler chute 20 in a plurality of same positions.And adoptbolt 13 to passmicroscler chute 20 butt joints and reinforce described two head plates 2.Should spread butter earlier between thehead plate 2 of two beltlength shape chutes 20, so that after coke furnace building finishes, when protectingsheet 5 was installed, the coke oven booth was increased the free relatively sliding of energy between thehead plate 2 onpost 1 and the furnace stay 4.Coke oven booth 19 can play the effect of keeping off the rain and bearing some weight handling equipments.

The local gliding construction method of two-in-one coke oven booth furnace stay provided by the invention, as shown in Figures 1 to 4, its step comprises:

1, moves furnace stay laterally.In one embodiment, the tophorizontal brace 3 of dismantling earlier turns the nut on thebottom tie rod 6, finishes moving of furnace stay, makes the furnace stay 4 and the location interval at protecting sheet place open certain distance.

2, support in furnace stay 4 upper ends and increasepost 1 in order to cokeoven booth 19 to be installed, wherein furnace stay 4 upper ends are welded withhead plate 2 respectively with increasing on post 1 lower end, twohead plates 2 be superimposed and on twohead plates 2 position of a plurality of correspondences be provided withonesize microscler chute 20, and adoptbolt 13 to pass describedchute 20 to be locked.

3, remove protectingsheet 5, and finish the pressures inside transformation.

4, protectingsheet 5 is installed.In one embodiment; after coke furnace building finishes; when installing, protectingsheet 5 earlier watt dismounting is pushed up in the coke oven booth outside; hanging protectingsheet 5 with crane falls from coke oven booth top; the refractory brick of arrival furnace stay 4 andcoke oven end 7 is built the gap between the body by laying bricks or stones; after protectingsheet 5 is in place, with chain block and wireline working fastening.

5, unclamp thebolt 13 that passes describedchute 20, mobile to the inside furnace stay 4 makes furnace stay 4 be close to protectingsheet 5, and applies power laterally and guarantee to increasepost 1 and keep vertically increasingpost 1 bottom.

In one embodiment, tophorizontal brace 3 was installed before mobile furnace stay 4, keepsbottom tie rod 6 and tophorizontal brace 3 synchronization actions, finish moving of furnace stay.Because furnace stay 4 upper ends and coke oven booth are increased and are had frictional force between thehead plate 2 on post 1 lower end and exist, in the process of mobile furnace stay 4, in order to keep increasing the vertically stable ofpost 1, the slippage bracing or strutting arrangement is set offsets two frictional force between thehead plate 2.

The slippage bracing or strutting arrangement as shown in Figure 5, mainly form bybracing frame 8,spacer 9, screwblock supporting plate 10 and insertedlink 11, wherein,bracing frame 8 adopts channel-section steel to make, its structure is that theperpendicular support 14 in bottom,horizontal support 16 are welded into trilateral withdiagonal ligament 15, and be welded with on the top ofhorizontal support 16 that top is perpendicular supports 17, and perpendicular 17 back of supporting, top adoptsteel plate 18 to reinforce, and the material of above-mentioned parts adopts 100mm U-steel and 10mm steel plate to be welded.Perpendicular 17 the side welding screwblock supporting plate 10 that supports on top; A side that is adjacent to furnace stay 4 atbracing frame 8 is provided withspacer 9, andspacer 9 is fixed together withbracing frame 8;Spacer 9 comprises that 3 sections channel-section steels weld together the structure that constitutes concave shape, the channel-section steel ofspacer 9 both sides all is drilled with two through holes and is consistent with pitch-row on thefurnace stay 4, adopt insertedlink 11 to be inserted into the opposite side through hole, the slippage bracing or strutting arrangement can be fixed on the furnace stay 4 from a side through hole ofspacer 9.

During use, earlier the slippage bracing or strutting arrangement is installed on the furnace stay 4,screw block 12 is placed on the screwblock supporting plate 10 again,pressurization screw block 12 makes it withstand on the bottom that the coke oven booth is increased post 1.During mobile furnace stay 4; unclampbolt 13 earlier; the coke oven both sides are used the tight bottom of bigspanner tie rod 6 simultaneously; both sides furnace stay 4 is progressively drawn close tocoke oven end 7; in this process, adjust tophorizontal brace 3 simultaneously;furnace stay 4 is moved to the predetermined position, and palpus maintenance furnace stay 4 moves up and down the unanimity of distance in the slipping, and the working fastening of protectingsheet 5 is unclamped in the appropriate location in slipping.Vertically stable in order to keep increasingpost 1 in this process, need progressively pressurize toscrew block 12, increase relatively sliding between the head plate onpost 1 and the furnace stay 4 like this.When furnace stay 4 is progressively drawn close tocoke oven end 7, screw block also progressively elongation eject, make the coke oven booth increase the original position ofpost 1 maintenance by the slippage of increasing between the head plate onpost 1 and the furnace stay 4.

Repeated for the 4th step and the 5th step, finish the installation of other protectingsheets 5 and the slippage of furnace stay successively.

Effect: the local gliding construction method of coke oven booth furnace stay provided by the invention, utilizefurnace stay 4 that the coke oven booth is installed, use the traditional coke oven booth design of column to use furnace stay instead separately needs and replace, inadvance furnace stay 4 is in place, the big booth structure of coke oven is installed on furnace stay top again.Treat the coke oven body build by laying bricks or stones finish after, subsequently furnace retaining ironware is installed only needs directly to install protecting sheet, the both sides furnace stay is pressurizeed carry out local slippage again, and protecting sheet, furnace stay one-step installation are put in place.Treat only watt recovery of big ceiling to be got final product after the complete installation of furnace retaining ironware finishes.Utilize this method obviously to improve operating efficiency, shortened the duration, save mechanical one-shift and labour cost, can also effectively solve the rainproof problem when the furnace retaining ironware is installed under the simple plastic greenhouse condition.

More than explanation only is an Application Example of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalence of being done according to the present patent application claim changes, and still belongs to protection scope of the present invention.

Claims (7)

1. the local gliding construction method of a furnace stay is characterized in that comprising:

Mobile laterally furnace stay;

On furnace stay, support and increase post in order to the coke oven booth to be installed, wherein the furnace stay upper end is welded with head plate respectively with increasing on the post lower end, described two head plates be superimposed and on two head plates the position of a plurality of correspondences be provided with onesize microscler chute, and adopt bolt to pass described chute to be locked;

Remove protecting sheet and finish the pressures inside transformation;

Described protecting sheet is installed; And

Unclamp the bolt that passes described chute, move described furnace stay to the inside and make described furnace stay be close to described protecting sheet, and apply power laterally and guarantee to increase post and keep vertically increasing the post bottom.

2. constructional method according to claim 1, its feature in, described two head plates are onesize rectangular steel plates.

3. constructional method according to claim 1, its feature in, between described head plate, coat lubricant in the process that described two head plates are superimposed.

4. constructional method according to claim 1, its feature in, described protecting sheet be installed be by removing top, the described coke oven booth outside watt, and described protecting sheet hung to fall from coke oven booth top install.

5. constructional method according to claim 1, its feature in, be provided with the slippage bracing or strutting arrangement in the upper end of described furnace stay, described slippage bracing or strutting arrangement is used for supporting in described furnace stay upper end screw block to apply power laterally increasing the post bottom.

6. constructional method according to claim 5, its feature in, described slippage bracing or strutting arrangement comprises bracing frame, spacer, screw block supporting plate and inserted link, wherein, support frame as described above comprises the perpendicular support in bottom, horizontal support, diagonal ligament and top are perpendicular to be supported, described bottom is perpendicular to be supported, horizontal support and diagonal ligament are welded into trilateral, and be welded with on the top of described horizontal support that described top is perpendicular to be supported, the perpendicular side of supporting is welded with the screw block supporting plate on described top, side at the close furnace stay of bracing frame is provided with spacer, spacer and bracing frame are fixed together, spacer comprises that 3 sections channel-section steels weld together the concave shape structure of formation, the channel-section steel of spacer both sides all is drilled with two through holes, and described inserted link can pass furnace stay from a side through hole of described spacer and be inserted into the opposite side through hole so that described slippage bracing or strutting arrangement is fixed on the described furnace stay.

7. constructional method according to claim 1, its feature in, move to the inside in the process of described furnace stay by the top horizontal brace on the furnace stay and bottom tie rod top and bottom with the moved further furnace stay.

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