CN103215051B - Local-slippage construction method of furnace column - Google Patents
Local-slippage construction method of furnace column Download PDFInfo
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- CN103215051B CN103215051B CN201310114683.9A CN201310114683A CN103215051B CN 103215051 B CN103215051 B CN 103215051B CN 201310114683 A CN201310114683 A CN 201310114683A CN 103215051 B CN103215051 B CN 103215051B
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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
Technical field
The present invention relates to a kind of furnace stay Local Sliding constructional method, be specifically related to the installation method of protecting sheet for coke oven, furnace stay.
Background technology
The installation of coke oven guarding iron is the important step that coke oven is installed.Coke oven guarding iron mainly comprises protecting sheet, furnace stay, firedoor frame, the large part composition of fire door four.Traditional erection sequence that coke oven guarding iron is installed is first to allow protecting sheet directly contact with the body of building by laying bricks or stones of the refractory brick of coke oven end, and masonry heater capital is lived protecting sheet, and shove charge doorframe between two furnace stays side by side, is finally arranged on fire door on firedoor frame.And in old coke oven improvement project, need first on coke oven, to build a coke oven booth, to play the effect of keeping off the rain and bearing some weight handling equipments.Building of coke oven booth is subject to place region limits.For example, through measuring, on some production lines, pushing machine only has 230mm apart from the distance of coke oven stay, and therefore building of coke oven booth need to be erected on furnace stay.After treating old coke oven improvement project refractory material laying, need to remove coke oven booth and furnace stay, then adopt the installation method of traditional furnace retaining ironware to complete the installation of furnace retaining ironware.Be not subject to rainwater shower for meeting coke oven therebetween, must adopt building steel tube to build temporarily rain-proof shed.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, in the urgent need to a kind ofly improving 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: for the problems referred to above, and the method that the object of the present invention is to provide the high free removal coke oven booth of a kind of easy construction, efficiency and furnace stay that protecting sheet can be installed.
The technical scheme that the present invention solves its technical problem employing is: a kind of furnace stay Local Sliding constructional method, comprising: mobile furnace stay laterally; Support heightened column in furnace stay upper end in order to coke oven booth to be installed, wherein on furnace stay upper end and heightened column lower end, be welded with respectively head plate, described two head plates be superimposed and on two head plates the position of multiple correspondences be provided with onesize microscler chute, and adopt bolt to pass described chute to be locked; Remove protecting sheet and complete pressures inside transformation;
Described protecting sheet is installed; And unclamping the bolt through described chute, mobile described furnace stay makes described furnace stay be close to described protecting sheet to the inside, and the power that applies laterally in heightened column bottom guarantees that heightened column keeps vertically.
Described two head plates are onesize rectangular steel plates.
In the process that described two head plates are superimposed, between described head plate, coat lubricant.
It is by removing top watt, described coke oven booth outside that described protecting sheet is installed, and described protecting sheet is hung to fall from coke oven booth top and install.
Be provided with slippage bracing or strutting arrangement in the upper end of described furnace stay, described slippage bracing or strutting arrangement is used at described furnace stay upper end support jack to apply laterally power in heightened column 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, on described top, the perpendicular side of supporting is welded with screw block supporting plate, be provided with spacer at bracing frame near a side of furnace stay, spacer and bracing frame are fixed together, spacer comprises that 3 sections of channel-section steels weld together the concave shape structure of formation, the channel-section steel of spacer both sides is all drilled with two through holes, described inserted link can be inserted into opposite side through hole so that described slippage bracing or strutting arrangement is fixed on described furnace stay through furnace stay from a side through hole of described spacer.
To the inside in the process of mobile described furnace stay by the top and bottom of the top horizontal brace on furnace stay and bottom tie rod synchronizing moving furnace stay.
Beneficial effect of the present invention is mainly:
1, simple installation: this method has been avoided the repeated disassembled and assembled of coke oven booth, and before formal construction, completed the operation that part furnace retaining ironware is installed;
2, save the duration: according to conventional construction flow process in the past, complete a coke oven furnace retaining ironware install time about 30 days, utilize the actual installation time of this method to shorten to about 20 days;
3, reduce costs: according to this programme, furnace retaining ironware being installed does not need repeated disassembled and assembled coke oven booth, does not need coke oven to do provisional protection yet, and the duration of saving has also reduced artificial and mechanical one-shift expense.
Accompanying drawing explanation
Fig. 1 is the front schematic view after coke oven stay slippage laterally.
Fig. 2 is the schematic top plan view of furnace stay position after coke oven stay slippage laterally.
Fig. 3 is the front schematic view after coke oven stay slippage to the inside.
Fig. 4 is the schematic top plan view of furnace stay position after coke oven stay slippage to the inside.
Fig. 5 is slippage bracing or strutting arrangement schematic diagram.
In figure: 1. heightened column; 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 links; 12. screw block; 13. bolts; 14. bottoms are perpendicular to be supported; 15. diagonal ligaments; 16. horizontal supports; 17. tops are perpendicular to be supported; 18. steel plates; 19. coke oven booths.
Embodiment
In order to understand better the present invention, below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described further.Wherein, as shown in Figure 1, coke oven end 7 arranged outside have protecting sheet 5.Protecting sheet 5 arranged outside have furnace stay 4.When furnace stay 4 moves after a segment distance laterally, spaced apart between protecting sheet 5 and furnace stay 4.As shown in Figure 3, in the time that furnace stay 4 moves to normal position to the inside, furnace stay 4 withstands protecting sheet 5, and protecting sheet 5 is near the refractory brick on coke oven end 7.Furnace stay 4 tops are provided with top horizontal brace 3, and furnace stay 4 bottoms are provided with bottom tie rod 6.The same with prior art, in the present invention, the movement of furnace stay is that nut by turning on the bottom tie rod 6 that is positioned at furnace stay 4 bottoms is realized, and the top horizontal 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, support coke oven booth 19 by heightened column 1.On furnace stay 4 upper ends and heightened column 1 lower end, weld head plate 2.In one embodiment, as shown in Figure 5, two head plates 2 are onesize rectangular steel plates, and two head plates 2 are provided with microscler chute 20 in multiple same positions.And adopt bolt 13 to reinforce described two head plates 2 through microscler chute 20 docking.Between two head plates 2 with microscler chute 20, should first spread butter, so that after coke furnace building, when protecting sheet 5 is installed, can free relatively sliding between the head plate 2 on coke oven booth heightened column 1 and furnace stay 4.Coke oven booth 19 can play the effect of keeping off the rain and bearing some weight handling equipments.
Two-in-one coke oven booth furnace stay Local Sliding constructional method provided by the invention, as shown in Figures 1 to 4, its step comprises:
1, move laterally furnace stay.In one embodiment, the top horizontal brace 3 of first dismantling, turns the nut on bottom tie rod 6, completes the movement of furnace stay, makes furnace stay 4 and the location interval at protecting sheet place open certain distance.
2, support heightened column 1 in order to coke oven booth 19 to be installed in furnace stay 4 upper ends, wherein on furnace stay 4 upper ends and heightened column 1 lower end, be welded with respectively head plate 2, two head plates 2 be superimposed and on two head plates 2 position of multiple correspondences be provided with onesize microscler chute 20, and adopt bolt 13 to be locked through described chute 20.
3, remove protecting sheet 5, and complete pressures inside transformation.
4, protecting sheet 5 is installed.In one embodiment; after coke furnace building; when installing, protecting sheet 5 first watt dismounting is pushed up in coke oven booth outside; hanging protecting sheet 5 with crane falls from coke oven booth top; arrive the gap between furnace stay 4 and the laying fireproof bricks body of coke oven end 7; after protecting sheet 5 is in place, temporary fixed with chain block and wireline.
5, unclamp the bolt 13 through described chute 20, mobile furnace stay 4 makes furnace stay 4 be close to protecting sheet 5 to the inside, and the power that applies laterally in heightened column 1 bottom guarantees that heightened column 1 keeps vertically.
In one embodiment, before mobile furnace stay 4, top horizontal brace 3 is installed, keeps bottom tie rod 6 and top horizontal brace 3 synchronization actions, complete the movement of furnace stay.Exist owing to having frictional force between the head plate 2 on furnace stay 4 upper ends and coke oven booth heightened column 1 lower end, in the process of mobile furnace stay 4, in order to keep the vertically stable of heightened column 1, slippage bracing or strutting arrangement is set and offsets two frictional force between head plate 2.
Slippage bracing or strutting arrangement as shown in Figure 5, mainly formed by bracing frame 8, spacer 9, screw block supporting plate 10 and inserted link 11, wherein, bracing frame 8 adopts channel-section steel to make, its structure is that the perpendicular support 14 in bottom, horizontal support 16 are welded into trilateral with diagonal ligament 15, and be welded with the perpendicular support 17 in top on the top of horizontal support 16, and the perpendicular support 17 in top adopts steel plate 18 to reinforce below, and the material of above-mentioned parts adopts 100mm U-steel and 10mm Plate Welding to form.Perpendicular 17 the side welding screw block supporting plate 10 that supports on top; A side that is adjacent to furnace stay 4 at bracing frame 8 is provided with spacer 9, and spacer 9 is fixed together with bracing frame 8; Spacer 9 comprises that 3 sections of channel-section steels weld together the structure that forms concave shape, the channel-section steel of spacer 9 both sides is all drilled with two through holes and is consistent with the pitch-row on furnace stay 4, adopt inserted link 11 to be inserted into opposite side through hole from a side through hole of spacer 9, slippage bracing or strutting arrangement can be fixed on furnace stay 4.
When use, first slippage bracing or strutting arrangement is arranged on furnace stay 4, then screw block 12 is placed on screw block supporting plate 10, pressurizing jack 12, makes it withstand on the bottom of coke oven booth heightened column 1.When mobile furnace stay 4; first unclamp bolt 13; the tight bottom of large spanner tie rod 6 is used in coke oven both sides simultaneously; both sides furnace stay 4 is progressively drawn close to coke oven end 7; in this process, adjust top horizontal brace 3 simultaneously; furnace stay 4 is moved to predetermined position, in slipping, must keep furnace stay 4 move up and down the consistent of distance, and the temporary fixed of protecting sheet 5 unclamped in appropriate location in slipping.In this process, in order to keep heightened column 1 vertically stable, need to progressively pressurize to screw block 12, like this relatively sliding between the head plate on heightened column 1 and furnace stay 4.When furnace stay 4 is progressively drawn close to coke oven end 7, screw block also progressively extends and ejects, and makes coke oven booth heightened column 1 keep original position by the slippage between the head plate on heightened column 1 and furnace stay 4.
Repeat the 4th step and the 5th step, complete successively the installation of other protecting sheets 5 and the slippage of furnace stay.
Effect: coke oven booth furnace stay Local Sliding constructional method provided by the invention, utilize furnace stay 4 that coke oven booth is installed, using separately the traditional coke oven booth design of column to use furnace stay instead needs replaces, in advance furnace stay 4 is in place, then on furnace stay top, coke oven booth structure is installed.After treating that coke oven body is built by laying bricks or stones, furnace retaining ironware is subsequently installed only needs directly to install protecting sheet, then furnace stay pressurization in both sides is carried out to Local Sliding, and protecting sheet, furnace stay one-step installation are put in place.Treating after the complete installation of furnace retaining ironware only needs large ceiling watt to recover.Utilize this method obviously to improve operating efficiency, shortened the duration, save mechanical one-shift and labour cost, can also effectively solve under simple plastic greenhouse condition rainproof problem when furnace retaining ironware is installed.
More than explanation is only Application Example of the present invention, certainly can not limit with this interest field of the present invention, and the equivalence of therefore doing according to the present patent application the scope of the claims changes, and still belongs to protection scope of the present invention.
Claims (5)
1. a furnace stay Local Sliding constructional method, is characterized in that comprising:
Mobile furnace stay laterally;
Support heightened column in furnace stay upper end in order to coke oven booth to be installed, wherein on furnace stay upper end and heightened column lower end, be welded with respectively head plate, described two head plates be superimposed and on two head plates the position of multiple correspondences be provided with onesize microscler chute, and adopt bolt to pass described chute to be locked;
Remove protecting sheet and complete pressures inside transformation;
Described protecting sheet is installed; And
Unclamp the bolt through described chute, mobile described furnace stay makes described furnace stay be close to described protecting sheet to the inside, and the power that applies laterally in heightened column bottom guarantees that heightened column keeps vertically;
Be provided with slippage bracing or strutting arrangement in the upper end of described furnace stay, described slippage bracing or strutting arrangement is used at described furnace stay upper end support jack to apply laterally power in heightened column 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, on described top, the perpendicular side of supporting is welded with screw block supporting plate, be provided with spacer at bracing frame near a side of furnace stay, spacer and bracing frame are fixed together, spacer comprises that 3 sections of channel-section steels weld together the concave shape structure of formation, the channel-section steel of spacer both sides is all drilled with two through holes, described inserted link can be inserted into opposite side through hole so that described slippage bracing or strutting arrangement is fixed on described furnace stay through furnace stay from a side through hole of described spacer.
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, in the process that described two head plates are superimposed, between described head plate, coat lubricant.
4. constructional method according to claim 1, its feature in, described protecting sheet be installed be by removing top watt, described coke oven booth outside, and described protecting sheet is hung to fall from coke oven booth top and install.
5. constructional method according to claim 1, its feature in, to the inside in the process of mobile described furnace stay by the top and bottom of the top horizontal brace on furnace stay and bottom tie rod synchronizing moving furnace stay.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114683.9A CN103215051B (en) | 2013-04-03 | 2013-04-03 | Local-slippage construction method of furnace column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310114683.9A CN103215051B (en) | 2013-04-03 | 2013-04-03 | Local-slippage construction method of furnace column |
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| CN103215051A CN103215051A (en) | 2013-07-24 |
| CN103215051B true CN103215051B (en) | 2014-07-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104694141B (en) * | 2015-02-13 | 2017-05-03 | 山东钢铁股份有限公司 | Protection plate fixing device and method during replacement of coke oven column |
| CN107163955B (en) * | 2017-07-13 | 2023-09-22 | 南京钢铁股份有限公司 | Device and method for replacing furnace column above middle platform of coke side furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732652A (en) * | 1980-11-28 | 1988-03-22 | Krupp Koppers Gmbh | Clamping system for coke oven heating walls |
| CN102002374A (en) * | 2010-12-06 | 2011-04-06 | 中国二十二冶集团有限公司 | Thermal-exchange construction method of coke oven column |
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2013
- 2013-04-03 CN CN201310114683.9A patent/CN103215051B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732652A (en) * | 1980-11-28 | 1988-03-22 | Krupp Koppers Gmbh | Clamping system for coke oven heating walls |
| CN102002374A (en) * | 2010-12-06 | 2011-04-06 | 中国二十二冶集团有限公司 | Thermal-exchange construction method of coke oven column |
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| CN103215051A (en) | 2013-07-24 |
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