CN210560547U - Blast furnace surrounding pipe hoisting structure - Google Patents
Blast furnace surrounding pipe hoisting structure Download PDFInfo
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- CN210560547U CN210560547U CN201921159174.7U CN201921159174U CN210560547U CN 210560547 U CN210560547 U CN 210560547U CN 201921159174 U CN201921159174 U CN 201921159174U CN 210560547 U CN210560547 U CN 210560547U
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- surrounding pipe
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Abstract
The utility model discloses a blast furnace surrounding pipe hoisting structure belongs to blast furnace maintenance technical field. The utility model discloses a furnace body frame post and blast furnace stove outer covering, the surface of furnace body frame post and blast furnace stove outer covering all install a supporting beam layer board, a supporting beam is born to the upper surface of supporting beam layer board, the upper portion of furnace body frame post be connected with the surrounding pipe and hang the platform, the surrounding pipe is hung and is installed hydraulic lifting device on the platform, hydraulic lifting device passes through the steel strand with the hoist of supporting preparation and links to each other, the lug department of hoist is connected with the wire rope that is used for binding the surrounding pipe. The utility model discloses both be suitable for the blast furnace newly-built, also be suitable for the blast furnace overhaul, need not weld support piece on the blast furnace stove outer covering, the surrounding pipe can be installed in whole circle, a supporting beam sets up simply, the surrounding pipe falls on a supporting beam and can carry out the installation that the surrounding pipe hung immediately after the alignment, whole construction period is short, construction safety, swift.
Description
Technical Field
The utility model relates to a blast furnace overhauls technical field, more specifically says, relates to a blast furnace surrounding pipe hoist and mount structure.
Background
The installation method of the hot blast surrounding pipe mainly comprises two methods at present, wherein one method can only be used in the new construction of the blast furnace, namely when a furnace body upright post and a surrounding pipe hanging platform are not formed, the surrounding pipe is wholly or sectionally dropped on a tripod arranged on the outer circumferential surface of a furnace shell of the blast furnace, and after the furnace body upright post and the surrounding pipe hanging platform are installed, a vertical hanging and a horizontal pull rod of the surrounding pipe are connected. The mounting method has the defects that the time for placing the enclosing pipe on the tripod is too long, and if the enclosing pipe is hoisted in a segmented mode, the segmented enclosing pipe is difficult to assemble on the tripod into a whole, and the high-altitude operation is unsafe. The other installation method can be used in the new construction of the blast furnace and the overhaul, namely the manufactured surrounding pipes are assembled into a plurality of sections or a whole on the tuyere platform, a tripod is arranged on the outer circumferential surface of the furnace shell of the blast furnace after the surrounding pipes are lifted by a winch in sections or the whole, the sectioned or the whole surrounding pipes are dropped on the tripod, and the vertical hanging and the horizontal pull rod are installed after the centering. The construction method has the defects that the triangular frame for supporting the enclosing pipe is long in time after the enclosing pipe is lifted, and the enclosing pipe cannot be hoisted by using a winch if the enclosing pipe is heavy after being assembled into a whole, and is difficult and unsafe in overhead operation if the enclosing pipe is assembled into a whole on the triangular frame by means of sectional hoisting.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The defect and not enough to prior art exist, the utility model provides a blast furnace surrounding pipe hoist and mount structure, the utility model discloses both be suitable for the blast furnace newly-built, also be suitable for the blast furnace overhaul, need not weld support piece on the blast furnace stove outer covering, the surrounding pipe can be installed in whole circle, and the surrounding pipe falls on an alignment installation that can carry out the surrounding pipe immediately after a supporting beam after lifting by crane, and whole construction period is short, and construction safety, swift.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a blast furnace surrounding pipe hoisting structure, including furnace body frame post, blast furnace stove outer covering and tuyere platform, the surface of furnace body frame post and blast furnace stove outer covering all install a supporting beam layer board, a supporting beam layer board and the fixed welding of furnace body frame post, a supporting beam layer board's upper surface bears a supporting beam, a supporting beam's bottom be connected with the support column, the bottom of support column is provided with the support column crossbeam, the support column crossbeam falls on the tuyere platform, the upper portion of furnace body frame post be connected with the surrounding pipe and hang the platform, install hydraulic lifting device on the surrounding pipe hanging platform, hydraulic lifting device has worn the steel hinge line, the one end of steel hinge line is connected with the hoist with the supporting preparation of hydraulic lifting device, the lug department of hoist is connected with wire rope, wire rope's lower part is binded and is provided.
Further, the surrounding pipe is placed on the upper surface of the supporting beam and aligned.
Furthermore, the hydraulic lifting devices are arranged on the surrounding pipe hanging platform at intervals.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses both be suitable for the blast furnace newly-built, also be suitable for the blast furnace overhaul, need not weld support piece on the blast furnace stove outer covering, also need not weld the lug on the surrounding pipe, the surrounding pipe can be installed in whole circle, a supporting beam sets up simply, the time is short, moreover alignment under the condition of hydraulic lifting device atress, a supporting beam's atress is not big, the surrounding pipe falls on a supporting beam after lifting by crane and can carry out the installation that the surrounding pipe hung immediately after aligning, whole construction period is short, construction safety, swiftly.
Drawings
FIG. 1 is a partial cross-sectional view of the present invention;
fig. 2 is a top view of the present invention.
In the figure: 1. a furnace body frame column; 2. a support beam; 3. a surrounding pipe; 4. a hydraulic lifting device; 5. a blast furnace shell; 6. a tuyere platform; 7. a support beam pallet; 8. a surrounding pipe hanging platform; 9. steel strand wires; 10. a spreader; 11. a wire rope; 12. a support pillar; 13. and (4) supporting a column beam.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1-2, the blast furnace bustle pipe hoisting structure of the embodiment includes a furnace body frame column 1, a blast furnace shell 5 and a tuyere platform 6, wherein both surfaces of the furnace body frame column 1 and the blast furnace shell 5 are provided with a supporting beam supporting plate 7, the supporting beam supporting plate 7 is fixedly welded with the furnace body frame column 1, the upper surface of the supporting beam supporting plate 7 bears a supporting beam 2, the bottom of the supporting beam 2 is connected with a supporting column 12, the supporting column 12 is used for bearing the supporting beam 2, the bottom of the supporting column 12 is provided with a supporting column cross beam 13, the supporting column cross beam 13 falls on the tuyere platform 6, the upper portion of the furnace body frame column 1 is connected with a bustle pipe hoisting platform 8, the bustle pipe hoisting platform 8 is provided with a hydraulic hoisting device 4, the hydraulic hoisting device 4 is arranged on the bustle pipe hoisting platform 8 at intervals, the hydraulic hoisting device 4 is provided with steel hinge wires 9, one end of, the lifting lug of the lifting appliance 10 is connected with a steel wire rope 11, the lower part of the steel wire rope 11 is bound with a surrounding pipe 3, and the surrounding pipe 3 is placed on the upper surface of the supporting beam 2 and aligned.
The concrete installation method of the hoisting structure comprises the following steps:
the method comprises the following steps: measuring the positions of supporting beam supporting plates 7 on the furnace body frame column 1 and the blast furnace shell 5 according to the installation elevation of the surrounding pipe 3 and the height of the supporting beam 2, determining the length of the supporting beam 2, and respectively manufacturing four supporting beam supporting plates 7 connected with the furnace body frame column 1 and four supporting beam supporting plates 7 connected with the blast furnace shell 5;
step two: according to the actual installation position of the supporting beams 2, four supporting beams 2 are arranged on an air port platform 6 below the supporting beams 2, a supporting beam supporting plate 7 is respectively connected with a blast furnace shell 5 and a furnace body frame column 1, the supporting beam supporting plate 7 is connected with the furnace body frame column 1 in a welding mode, and the supporting beam supporting plate 7 is connected with the blast furnace shell 5 by means of a water pipe hole and a bolt hole in the blast furnace shell 5 in a cylindrical pin or bolt connection mode;
step three: supplementing temporary supports for aligning all the sections of the surrounding pipe 3 on the tuyere platform 6 according to the sections of the manufactured surrounding pipe 3, pouring the sectioned surrounding pipe 3 into the tuyere platform 6, and assembling and welding the sectioned surrounding pipe 3 into a whole circle;
step four: the number of the hydraulic lifting devices 4 is determined according to the weight of the surrounding pipe 3, the hydraulic lifting devices 4 are arranged on the surrounding pipe hanging platform 8, the hydraulic lifting devices 4 are located right above the surrounding pipe 3 and are uniformly distributed along the circumference of the surrounding pipe 3, and the number of the hydraulic lifting devices 4 is not less than three;
step five: penetrating through a steel strand 9 of the hydraulic lifting device 4, connecting the steel strand 9 with a lifting appliance 10 which is manufactured in a matching way, and pre-tightening the steel strand 9;
step six: two ends of a steel wire rope 11 of the binding enclosing pipe 3 are respectively connected with lifting lugs on the lifting appliance 10;
step seven: the hydraulic lifting device 4 works by a single oil cylinder, and the steel wire rope 11 of each lifting point is tightened;
step eight: all the oil cylinders of the hydraulic lifting device 4 work synchronously to lift the whole enclosing pipe 3 horizontally, so that the whole enclosing pipe 3 exceeds the elevation of the upper surface of the supporting beam 2 to be arranged;
step nine: the supporting beam 2 is hung on the arranged supporting beam supporting plate 7, and the supporting beam 2 and the supporting beam supporting plate 7 are fixed by bolts;
step ten: a support column 12 and a support column cross beam 13 are arranged below the support beam 2, and the position of the support column 12 is right below the surrounding pipe 3;
step eleven: after the enclosing pipe 3 falls on the supporting beam 2 for alignment, the vertical hanging and the horizontal pull rod of the enclosing pipe 3 are installed, and the installation of the enclosing pipe 3 is completed.
Specific construction examples are: a certain 4000m3Blast furnace overhaul, after the surrounding pipe 3 is assembled on the tuyere platform 6, the surrounding pipe platform and the water supply and drainage ring pipe attached to the surrounding pipe 3 are further installed, the total weight is 130t, TS100B-250 type cable numerical control hydraulic elevator is selected, 4 oil cylinders are used, the rated lifting capacity is 400t, the supporting beam 2 is lower than the theoretical elevation by 20mm when being arranged, after the surrounding pipe 3 is lifted and falls on the supporting beam 2 for alignment and positioning, a stop block for preventing the position change of the surrounding pipe 3 is welded on the supporting beam 2, and the blast furnace overhaul device is installedThe surrounding pipe 3 is vertically hung and horizontally pulled to complete the installation of the surrounding pipe 3.
A certain 2500m3The blast furnace overhaul, the bustle pipe 3 and the platform and pipeline attached to it are 110t together, choose TS100B-250 type steel cable numerical control hydraulic hoist for use, 4 hydro-cylinders, rated load-lifting capacity 400t, the bustle pipe 3 drops on a supporting beam 2 after lifting, because weight is little, do not set up support column 12, after the bustle pipe 3 location, installation bustle pipe 3 hangs and horizontal pull rod perpendicularly, accomplishes the installation of bustle pipe 3.
The utility model discloses both be suitable for the blast furnace newly-built, also be suitable for the blast furnace overhaul, need not weld support piece on blast furnace stove outer covering 5, also need not weld the lug on the surrounding pipe 3, the surrounding pipe 3 can be installed in whole circle, a supporting beam 2 sets up simply, the time is short, and align under the condition of hydraulic lifting device 4 atress, a supporting beam 2's atress is not big, the installation that can carry out the surrounding pipe 3 after aligning immediately after falling on a supporting beam 2 after the surrounding pipe 3 lifts by crane, whole construction period is short, safety in construction, swiftly.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a blast furnace surrounding pipe hoist and mount structure, includes furnace body frame post (1), blast furnace stove outer covering (5) and tuyere platform (6), its characterized in that: the surface of the furnace body frame column (1) and the surface of the blast furnace shell (5) are both provided with a supporting beam supporting plate (7), the supporting beam supporting plate (7) is fixedly welded with the furnace body frame column (1), the upper surface of the supporting beam supporting plate (7) bears a supporting beam (2), the bottom of the supporting beam (2) is connected with a supporting column (12), the bottom of the supporting column (12) is provided with a supporting column cross beam (13), the supporting column cross beam (13) falls on the tuyere platform (6), the upper part of the furnace body frame column (1) is connected with a surrounding pipe hanging platform (8), a hydraulic lifting device (4) is installed on the surrounding pipe hanging platform (8), a steel hinge line (9) penetrates through the hydraulic lifting device (4), one end of the steel hinge line (9) is connected with a lifting appliance (10) which is made in a matching way with the hydraulic lifting device (4), and a lifting lug of the lifting appliance, the lower part of the steel wire rope (11) is provided with a surrounding pipe (3) in a binding way.
2. The blast furnace bustle pipe hoisting structure according to claim 1, characterized in that: the surrounding pipe (3) is placed on the upper surface of the supporting beam (2) and aligned.
3. The blast furnace bustle pipe hoisting structure according to claim 1, characterized in that: the hydraulic lifting devices (4) are arranged on the surrounding pipe hanging platform (8) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921159174.7U CN210560547U (en) | 2019-07-23 | 2019-07-23 | Blast furnace surrounding pipe hoisting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921159174.7U CN210560547U (en) | 2019-07-23 | 2019-07-23 | Blast furnace surrounding pipe hoisting structure |
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| CN210560547U true CN210560547U (en) | 2020-05-19 |
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| CN201921159174.7U Active CN210560547U (en) | 2019-07-23 | 2019-07-23 | Blast furnace surrounding pipe hoisting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273039A (en) * | 2019-07-23 | 2019-09-24 | 安徽马钢设备检修有限公司 | A kind of blast furnace bustle pipe hoisting structure and its installation method |
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2019
- 2019-07-23 CN CN201921159174.7U patent/CN210560547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273039A (en) * | 2019-07-23 | 2019-09-24 | 安徽马钢设备检修有限公司 | A kind of blast furnace bustle pipe hoisting structure and its installation method |
| CN110273039B (en) * | 2019-07-23 | 2023-11-14 | 安徽马钢设备检修有限公司 | Blast furnace surrounding pipe hoisting structure and installation method thereof |
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