CN1084566A - Workshop structure for blast-furnace cast house - Google Patents
Workshop structure for blast-furnace cast house Download PDFInfo
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- CN1084566A CN1084566A CN 93109138 CN93109138A CN1084566A CN 1084566 A CN1084566 A CN 1084566A CN 93109138 CN93109138 CN 93109138 CN 93109138 A CN93109138 A CN 93109138A CN 1084566 A CN1084566 A CN 1084566A
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- factory building
- furnace
- colonnade
- blast
- roof truss
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Abstract
The invention discloses a kind of workshop structure for blast-furnace cast house; Solved the differential settlement problem between blast furnace (1) and the casting house factory building (2).Factory building (2) adopts factory building columns axis (7), (8) vertical or approximately perpendicular to the tap a blast furnace lateral arrangement of direction of blast furnace iron notch (3), high colonnade (9) is arranged on the same axis (7) with the factory building side frame trestle (5) of blast furnace (1), the high colonnade of frame column (5) this position of double as, Vierendeel girder (6) double as carriage, roof truss (13) and furnace structure have been linked to be one, dwindled the distance between factory building (2) and the blast furnace (1), thereby enlarged the use range of crane, shorten the length of trough, satisfied the needs of iron-smelting process and production.
Description
The present invention relates to a kind of industrial building, specifically a kind of workshop structure for blast-furnace cast house.
Existing blast furnace discharge yard factory building adopts parallel or approximate the tap a blast furnace vertical layout of direction of blast furnace iron notch that is parallel to of its factory building columns axis more.Principal feature is that it and blast furnace design for split, and promptly casting house mill construction and blast-furnace body structure are separate.Its objective is for fear of the disadvantageous effect of the differential settlement between blast furnace and the casting house factory building basis the casting house factory building.But so just need outside the high furnace frame post, found factory building columns in addition, make the bigger distance of generation between blast furnace and its casting house factory building, thereby reduced the crane use range, crane can't be served around the blast furnace iron notch, caused trough length to increase simultaneously, near problem such as working space is narrow and small the iron notch.
The objective of the invention is to avoid above-mentioned weak point of the prior art, a kind of workshop structure for blast-furnace cast house that can dwindle distance between blast furnace and the casting house factory building is provided.
The objective of the invention is to reach by following measure: factory building adopts the factory building columns axis normal or approximately perpendicular to the tap a blast furnace lateral arrangement of direction of blast furnace iron notch.Factory building columns is divided into two kinds of high colonnade, low colonnades.The factory building side frame trestle of high colonnade and blast furnace is arranged on the same axis, the high colonnade of this position of frame column double as, and Vierendeel girder double as carriage is directly installed on the part roof truss on the high furnace frame, makes casting house mill construction and furnace binding be linked to be one.High furnace frame is as the stationary bearing between high colonnade, and the intercolumniation that has replaced high colonnade side supports.The bolt connecting hole that roof truss links to each other with high furnace frame on the last lower-chord panel point plate of end is Long Circle, and the adjustable joint that formation can adjust upward roof truss makes it work as differential settlement between blast furnace and the low colonnade when exceeding the design controlling valu of permission, can raise roof truss.Prevented to cause low colonnade outward-dipping, and bear additional bending stress because of roof truss sinks to the horizontal thrust of the low colonnade generation of factory building with high furnace frame.Solved the differential settlement problem between blast furnace and the casting house factory building, the overhead traveling crane function that makes its two beam-and-rails be installed in high and low colonnade side is respectively normally moved along the factory building axis direction.
The advantage that workshop structure for blast-furnace cast house of the present invention is compared with prior art had is: 1. having solved does not have the blast furnace that solves and the differential settlement problem between the casting house for a long time, and casting house mill construction and furnace binding have been linked to be one, and factory building is stressed reasonable; With the casting house factory building than the casting house factory building of prior art near 3 meters in blast furnace, thereby enlarged the crane use range, shortened the length of trough; 3. the minimizing of factory building lateral arrangement and high furnace side factory building columns has enlarged near the working space of iron notch; 4. save steel, shorten the construction time limit.
Below in conjunction with accompanying drawing embodiments of the invention are done to describe in further detail.
Fig. 1 is the plot plan of workshop structure for blast-furnace cast house of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the adjustable joint of workshop structure for blast-furnace cast house of the present invention.
Fig. 5 is the C-C sectional view of Fig. 4.
Fig. 1,2,3 is depicted as workshop structure for blast-furnace cast house of the present invention, and it is made of jointly two factory buildings 2 and two penthouses 23.Every factory building 2 comprises high colonnade 9, low colonnade 10, carriage 11, intercolumniation supporting 12, roof truss 13, adjustable joint 14 and dormer 22.The installation of penthouse 23 has utilized the high colonnade 9 and the high furnace frame 4 of two factory buildings 2 of blast furnace 1 both sides, and its structure is a penthouse structure well known in the prior art.As seen from the figure, factory building 2 is a lateral arrangement, and the axis 7,8 of its high and low colonnade is perpendicular to the direction of tapping a blast furnace of blast furnace iron notch 3.High colonnade 9 is arranged on the same axis 7 with the factory building side frame trestle 5 of blast furnace 1.Carriage 11 links to each other the high colonnade of frame column 5 these positions of double as, Vierendeel girder 6 double as carriages in twos with the upper end of high colonnade 9.High furnace frame 4 plays the intercolumniation supporting role as the stationary bearing of 9 of high colonnades.The low colonnade 10 that is distributed on the axis 8 is corresponding one by one with high colonnade 9, and their upper end links to each other in twos by carriage 11 equally.Low colonnade 10 sides have an intercolumniation to support 12, and it can be installed between any two low colonnades.The two ends of roof truss 13 are installed in respectively on the high colonnade 9 of its span both sides, low colonnade 10, carriage 11 and the high furnace frame 4.Roof truss 13 usefulness bolts add bracket or other known mode links to each other with carriage 11 with high colonnade 9, low colonnade 10.Roof truss 13 with adopt adjustable joint 14 being connected of high furnace frame 4.Be evenly equipped with the perpendicular dormer 22 of the high and low colonnade axis of several and factory building 7,8 on the roof truss 13, wherein be arranged on the top of iron notch 3.
The structure of adjustable joint 14 is shown in Fig. 4,5.The connecting hole of bolt 17 that roof truss 13 links to each other with high furnace frame 4 on the wind up gusset plate 15 and the lower-chord panel point plate 16 of end is Long Circle, between upper and lower string gusset plate 15,16, be provided with the montant 18 of a connection two gusset plates, the bottom of lower-chord panel point plate 16 is a horizontal plane, with be provided with a bracket 19 in order to bear its shearing force of 13 with respect to each roof truss 13 on the high furnace frame 4 that roof truss 13 links to each other, bracket 20 is equipped with in the below of bracket 19.During adjusting, on bracket 20, put a screw block 21, the horizontal plane of the push rod of screw block 21 by the lower-chord panel point plate 16 bottoms jacking roof truss 13 that makes progress.The adjustable length L of slotted hole decides according to the design rise amount of roof truss 13 on the upper and lower string gusset plate 15,16, and erection bolt 17 was positioned at the top of slotted hole when its position should make installation, to guarantee its maximum rise amount.
Determine the adjustable length L value of slotted hole on the design rise amount of roof truss 13 that is the upper and lower string gusset plate 15,16 of roof truss, at first, can and determine blast furnace 1 and casting house factory building by " Code for design of building " and hang down differential settlement total amount V between the colonnade 10 according to building blast furnace zone geologic report.Then, determine the design controlling valu that is the permission differential settlement △ of differential settlement between blast furnace 1 and the low colonnade 10.As shown in Figure 2, in the framed bent plane that high furnace frame post 5, roof truss 13 and low colonnade 10 constitute, the rigidity of low colonnade 10 is much smaller than the rigidity of roof truss 13.At blast furnace 1 also is under the horizontal thrust effect of the 13 pairs of low colonnades 10 of the roof truss that differential settlement caused between frame column 5 and the low colonnade 10, and low colonnade 10 will be owing to flexural deformation produces horizontal shift.Differential settlement between the two is big more, and the horizontal shift of low colonnade 10 is big more.The result of low colonnade 10 horizontal shifts has increased the distance between bridge crane 24 beam-and-rails that are installed in factory building 2 both sides, influences the normal operation of lifting machine 24 the most at last.Therefore differential settlement controlling valu △ mainly is subjected to low absolute altitude place, colonnade 10 side lifting machines, 24 track top flange to guarantee the restriction of the horizontal shift controlling valu that lifting machine 24 normal operations are allowed.This value can be according to " rubber tyre gantry crane design handbook and the analysis of lifting machine examination criteria draw.In addition, the distortion of pillar is relevant with the rigidity of himself, so after the cross dimensions of low colonnade 10 that is self rigidity are determined, just can adopt the method for plane mechanics to set up differential settlement controlling valu △, the rigidity of low colonnade 10 and the relation between the horizontal shift controlling valu, calculate the differential settlement controlling valu △ between the low colonnade 10 of blast furnace 1 and factory building.
After differential settlement total amount V, differential settlement controlling valu △ between the low colonnade 10 of blast furnace 1 and factory building have all determined, the design rise of roof truss 13 measure slotted hole on the roof truss 13 upper and lower string gusset plates 15,16 in other words adjustable length L determine can reduce following two kinds:
1. when V＜△, consider to raise the syndeton of roof truss 13 in design, this moment, the design rise amount of roof truss 13 also was the L=40 millimeter.
2. when V＞△, it be L=(V-△ that the connection that should consider roof truss 13 can be raised (V-△) values in the design be constructed).When finishing, construction also raises roof truss 13 by (V-△) value.But (if V-△)＜40 millimeters, then press the design of L=40 millimeter.
When needs raise roof truss 13, at first erection bolt 17 is unscrewed, again screw block 21 is placed on the bracket 20 the jacking roof truss 13 that makes progress of the horizontal plane by lower-chord panel point plate 16 lower ends.After roof truss 13 rises, on bracket 19, add the cushion block contour with the rise amount of roof truss 13, and itself and bracket 19 is integrally welded.Then, take off screw block 21, tighten erection bolt 17.With all roof trusses 13 that links to each other with high furnace frame 4, after raising one by one as stated above, whole adjustment end-of-job.
Claims (3)
1, a kind of workshop structure for blast-furnace cast house, can constitute by one or two factory buildings according to the number of blast furnace iron notch, every factory building comprises factory building columns, carriage, intercolumniation support, roof truss and dormer, it is characterized in that: factory building [2] adopts factory building columns axis [7], [8] vertical or approximately perpendicular to the tap a blast furnace lateral arrangement of direction of blast furnace iron notch [3]; Factory building columns is divided into [10] two kinds of high colonnade [9], low colonnades, and high colonnade [9] is arranged on the same axis [7] the high colonnade of frame column [5] this position of double as, Vierendeel girder [6] double as carriage with the factory building side frame trestle [5] of blast furnace [1]; Part roof truss [13] directly links to each other with high furnace frame [4], link to each other with high furnace frame [4] gusset plate that winds up [15] of end and the connecting hole of the double-screw bolt [17] on the lower-chord panel point plate [16] of roof truss [13] is Long Circle, and formation makes the roof truss [13] can be to the adjustable joint [14] of adjusted.
2, workshop structure for blast-furnace cast house according to claim 1 is characterized in that: described adjustable joint [14] has at it and is provided with a montant [18] that connects two gusset plates between gusset plate that winds up [15] of slotted hole and the lower-chord panel point plate [16], the bottom of lower-chord panel point plate [16] is a horizontal plane, the below that high furnace frame [4] is gone up in order to the bracket [19] that bears roof truss [13] shearing force does not have bracket [20], on bracket [20], put a screw block [21] during adjusting, the push rod of screw block [21] is by the horizontal plane of lower-chord panel point plate [16] bottom, and jacking roof truss [13] makes progress.
3, workshop structure for blast-furnace cast house according to claim 1 and 2 is characterized in that: be evenly equipped with several and the high and low colonnade axis of factory building [7], [8] perpendicular dormer [22] on the described roof truss [13], one of them is arranged on the top of blast furnace iron notch [3].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93109138 CN1031352C (en) | 1993-08-05 | 1993-08-05 | Workshop structure for blast-furnace cast house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93109138 CN1031352C (en) | 1993-08-05 | 1993-08-05 | Workshop structure for blast-furnace cast house |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1084566A true CN1084566A (en) | 1994-03-30 |
| CN1031352C CN1031352C (en) | 1996-03-20 |
Family
ID=4987486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93109138 Expired - Lifetime CN1031352C (en) | 1993-08-05 | 1993-08-05 | Workshop structure for blast-furnace cast house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031352C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411973A (en) * | 2022-01-13 | 2022-04-29 | 上海二十冶建设有限公司 | Method for mounting roof structure of casting house |
-
1993
- 1993-08-05 CN CN 93109138 patent/CN1031352C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411973A (en) * | 2022-01-13 | 2022-04-29 | 上海二十冶建设有限公司 | Method for mounting roof structure of casting house |
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| Publication number | Publication date |
|---|---|
| CN1031352C (en) | 1996-03-20 |
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Expiration termination date: 20130805 Granted publication date: 19960320 |