CN104060012A - Device and method for sealing blast-furnace damping-down tuyere - Google Patents
Device and method for sealing blast-furnace damping-down tuyere Download PDFInfo
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- CN104060012A CN104060012A CN201410308741.6A CN201410308741A CN104060012A CN 104060012 A CN104060012 A CN 104060012A CN 201410308741 A CN201410308741 A CN 201410308741A CN 104060012 A CN104060012 A CN 104060012A
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Abstract
The invention provides a device and method for sealing a blast-furnace damping-down tuyere. The device comprises a conveying mechanism and a smearing mechanism, wherein the conveying mechanism is used for conveying media for plugging the blast-furnace tuyere into the tuyere, and the smearing mechanism is movably arranged on the conveying mechanism and used for smearing the media conveyed by the conveying mechanism to fire clay at the front end of the blast-furnace tuyere at the position outside a blast furnace. The device is reasonable in design, simple in structure and easy to machine and operate, time and labor are saved, and the problem that the media such as grease for sealing are inconveniently conveyed to the position of the tuyere can be solved. According to the device and method, cracks generated on the clay are sealed and plugged with the grease, the sealing effect is good, and meanwhile tuyere opening operation during re-blowing is not influenced. Although the grease is semisolid, the grease can be easily, rapidly and conveniently pushed to the bottom of the tuyere through the device.
Description
Technical field
The present invention relates to metallurgical ironmaking technology field, particularly a kind of blast furnace staying air port sealing equipment and method.
Background technology
Iron Works must be opened air port great Gai when damping down, and blast furnace tuyere area coke directly contacts meeting combustion oxidation with outside air, causes the waste of the energy, and the CO that incomplete combustion produces has increased potential safety hazard.At present, most of blast furnaces all adopt refractory mortar to block up air port, but in actual production, find that the stifled mud in air port there will be crack, distortion after the long period, causes and leaks out.And when air port shutoff refractory mortar, due to narrow space, it is very inconvenient to operate.Nonetheless, if now increase stifled mud amount, in the time of can causing multiple wind, air port is difficult to disclose and holds, and increases workman's workload, delays the multiple wind time.
Summary of the invention
The object of the present invention is to provide a kind of blast furnace staying air port sealing equipment, unhandy problem when solving current shutoff air port.
Further, another object of the present invention is to provide a kind of blast furnace staying air port sealing method, utilize above-mentioned sealing equipment to take butter as the stifled blast-furnace tuyere of medium.
In order to address the above problem, the technical scheme of blast furnace staying provided by the invention air port sealing equipment is as follows:
A blast furnace staying air port sealing equipment, it comprises: transfer mechanism, for by the medium transport of shutoff blast-furnace tuyere to air port; Smearing mechanism, is located on described transfer mechanism movably, the refractory mortar for the spreading medium described transfer mechanism carried in blast furnace outside at blast-furnace tuyere device front end.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, described transfer mechanism comprises: sleeve, is tubular, for load medium; End plate, ringwise, central zone is provided with through hole, is fixed on the aft end face of described sleeve; Carry handle, be shaft-like, front end is vertically fixed on the rear surface of described end plate, for described sleeve is sent into blast-furnace tuyere device.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, described smearing mechanism comprises: smear dish, be reciprocally located at movably in described sleeve; Stifled rake handle, is shaft-like, described in front end is fixed on through the through hole of described end plate, smears on the rear surface of dish, for smearing dish described in driving, at described sleeve, move, with by spreading medium on the refractory mortar of blast-furnace tuyere.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, described stifled rake handle is reciprocally located on described conveying handle movably.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, described conveying handle is hollow rod shaped structure, and described stifled rake handle is reciprocally arranged in described conveying handle movably.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, described sleeve is weldless steel tube material.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, described transfer mechanism, smearing mechanism are steel material and make.
Preferably, in the sealing equipment of above-mentioned blast furnace staying air port, blast-furnace tuyere device comprises: elbow, blowpipe, little cover, wherein, little cover is positioned at blast-furnace tuyere device near blast-furnace tuyere foremost, the front end of blowpipe inserts in little cover, and the rear end of blowpipe is connected with elbow, and a side relative with blowpipe on elbow is provided with air port peep hole.
In order to address the above problem, the technical scheme of blast furnace staying provided by the invention air port sealing method is as follows:
A blast furnace staying air port sealing method, it comprises the following steps: after blast furnace staying certain hour, utilize the transfer mechanism of above-mentioned arbitrary described equipment to carry butter to blast-furnace tuyere, and utilize smearing mechanism coating butter on the refractory mortar of blast-furnace tuyere.
Preferably, in the sealing method of above-mentioned blast furnace staying air port, blast furnace staying, after 4～6 hours, starts coating butter.
Preferably, in the sealing method of above-mentioned blast furnace staying air port, by the peep hole of blast-furnace tuyere, butter is carried, smeared on the refractory mortar of blast-furnace tuyere.
Analyze knownly, equipment provided by the invention is reasonable in design, simple in structure, be easy to processing, easy handling, time saving and energy saving, can overcome sealing is sent to air port with media such as butter locates inconvenient problem.
In addition the crack that the present invention utilizes the stifled mud of grease seal to produce, good sealing effect, mouthful operation of blowing in while not affecting multiple wind again, simultaneously.But because butter belongs to semi-solid, equipment provided by the invention can by butter simple and convenient be pushed into tuyere bottom.
Accompanying drawing explanation
Fig. 1 is the left view of present device embodiment;
Fig. 2 is along the sectional view of E-E line in Fig. 1;
Fig. 3 is the cross-sectional view of blast-furnace tuyere.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
During blast furnace staying, the air leakage phenomena for fear of because adopting the stifled air port of refractory mortar to produce, the invention provides a kind of blast furnace staying air port sealing equipment and method.Before describing the present invention in detail, be necessary briefly to describe the structure of blast-furnace tuyere device, as shown in Figure 3, blast-furnace tuyere device comprises the air intake passage that elbow 6, blowpipe 7, little cover 8 form.Little cover 8 is positioned at blast-furnace tuyere device near blast-furnace tuyere foremost, the front end of blowpipe 7 inserts in little cover 8, the rear end of blowpipe 7 is connected with elbow 6, on elbow 6, a side relative with blowpipe 7 is provided with air port peep hole 9 (concrete structure of blast-furnace tuyere device is prior art, at this, does not describe in detail.)。
Apparatus embodiments of the present invention comprises transfer mechanism, the smearing mechanism that is iron and steel material quality or other high temperature resistant rigidity material, and wherein, transfer mechanism is used for the medium transport of shutoff blast-furnace tuyere to air port.Smearing mechanism is to be located at movably on transfer mechanism, for the medium of transfer mechanism being carried in blast furnace outside, by air port peep hole 9, spread upon the refractory mortar of blast-furnace tuyere, say exactly on the refractory mortar of blast-furnace tuyere device front end, particularly blast-furnace tuyere device front end produces on the refractory mortar in crack because of temperature distortion.
Particularly, as Fig. 1, as shown in Figure 2, transfer mechanism comprises sleeve 1, end plate 2, carries handle 3.Smearing mechanism comprises smears dish 4, stifled rake handle 5.Particularly, sleeve 1 is tubular, is preferably the cylinder of weldless steel tube etc. and so on, for loading the medium such as butter class.End plate 2 ringwise, is preferably annular, and its central zone is provided with through hole (unmarked), and the rear surface edge joint weld of this through hole is connected to carries handle 3.The fringe region of end plate 2 is fixed on the aft end face of sleeve 1, between end plate 2, sleeve 1, can weld, and can be also integral type structure.Carry handle 3 to be shaft-like, its front end is vertically fixed on the rear surface of end plate 2, for sleeve 1 is sent into blast-furnace tuyere device through air port peep hole 9.Smear dish 4 and be reciprocally located at movably in sleeve 1, preferably, smear dish 4 and in sleeve 1, be similar to the same the moving back and forth of piston.Stifled rake handle 5 is shaft-like, and its front end is fixed on the rear surface of smearing dish 4 through the through hole of end plate 2, for driving, smear dish 4 and move at sleeve 1, with by spreading medium on the refractory mortar of blast-furnace tuyere.
Preferably, stifled rake handle 5 is reciprocally located at movably and is carried on handle 3, and as shown in Figure 2, carry handle 5 is hollow rod shaped structure to example, and stifled rake handle 5 is reciprocally arranged in movably carries handle 3.
When concrete application is of the present invention, as shown in Figure 1-Figure 3, the laggard sector-style mouth of blast furnace staying blocks up mud, and refractory mortar is delivered to little cover 8 front end tampings.Until damping down, after 4～6 hours, start air port coating butter work.During coating butter, butter (commercially available) is placed in sleeve 1, holds and carry handle 3 that butter is delivered to little cover 8 front ends by air port peep hole 9, then push hard stifled rake handle 5, butter is extruded in sleeve 1, and evenly spread upon on the refractory mortar because of temperature distortion generation crack.Certainly, the external diameter of sleeve 1 is less than the internal diameter of little cover 8.
In other embodiments, the apparatus embodiments of the present invention shown in Fig. 1, Fig. 2 can also be by the spreading medium of other lipid on the refractory mortar leaking out, and this is no longer going to repeat them.Therefore, it will be appreciated by those skilled in the art that Fig. 1, Fig. 2 are not exclusively used in coating butter.
Comprehensive, the apparatus embodiments of the present invention shown in Fig. 1, Fig. 2 has following characteristics:
All parts all adopt high temperature material to make.
Sleeve 1 is weldless steel tube, and one end is uncovered, one end welded end plate 2 and conveying handle 3.
Stifled rake handle 5 external diameters are slightly less than carries handle 3 internal diameters, and is placed in conveying handle 3 inside.
Stifled rake handle 5 length are greater than carries handle 3, and the length surpassing should be greater than the length of sleeve 1.
Smear dish 4 diameters and be slightly less than sleeve 1 internal diameter, can in sleeve 1, do piston motion, butter is extruded in sleeve 1.
As the above analysis, the present invention can obtain following advantage:
Carry and smearing mechanism unification, be convenient to carry semisolid butter, simple to operate, time saving and energy saving.
All structures adopt steel material to make, high temperature resistant easy processing.
With butter, smear the crack that the stifled mud in sealing air port produces, good sealing effect, air leakage phenomena obviously reduces; During multiple wind, air port is easy to disclose out.
Simple in structure, easy to process, easy handling, can be widely used in the air port seal operation of banking or banking.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Change within the scope of the present invention all or within being equal to scope of the present invention is all included in the invention.
Claims (10)
1. a blast furnace staying air port sealing equipment, is characterized in that, comprising:
Transfer mechanism, for by the medium transport of shutoff blast-furnace tuyere to air port;
Smearing mechanism, is located on described transfer mechanism movably, the refractory mortar for the spreading medium described transfer mechanism carried in blast furnace outside at blast-furnace tuyere device front end.
2. blast furnace staying according to claim 1 air port sealing equipment, is characterized in that, described transfer mechanism comprises:
Sleeve, is tubular, for load medium;
End plate, ringwise, central zone is provided with through hole, is fixed on the aft end face of described sleeve;
Carry handle, be shaft-like, front end is vertically fixed on the rear surface of described end plate, for described sleeve is sent into blast-furnace tuyere device.
3. blast furnace staying according to claim 2 air port sealing equipment, is characterized in that, described smearing mechanism comprises:
Smear dish, be reciprocally located at movably in described sleeve;
Stifled rake handle, is shaft-like, described in front end is fixed on through the through hole of described end plate, smears on the rear surface of dish, for smearing dish described in driving, at described sleeve, move, with by spreading medium on the refractory mortar of blast-furnace tuyere.
4. blast furnace staying according to claim 3 air port sealing equipment, is characterized in that, described stifled rake handle is reciprocally located on described conveying handle movably.
5. blast furnace staying according to claim 4 air port sealing equipment, is characterized in that, described conveying handle is hollow rod shaped structure, and described stifled rake handle is reciprocally arranged in described conveying handle movably.
6. blast furnace staying according to claim 2 air port sealing equipment, is characterized in that, described sleeve is weldless steel tube material.
7. blast furnace staying according to claim 1 air port sealing equipment, is characterized in that, described transfer mechanism, smearing mechanism are steel material and make,
Preferably blast-furnace tuyere device comprises: elbow, blowpipe, little cover;
Wherein, little cover is positioned at blast-furnace tuyere device near blast-furnace tuyere foremost, and the front end of blowpipe inserts in little cover, and the rear end of blowpipe is connected with elbow, and a side relative with blowpipe on elbow is provided with air port peep hole.
8. a blast furnace staying air port sealing method, is characterized in that, comprises the following steps:
After blast furnace staying certain hour, utilize the transfer mechanism of the arbitrary described equipment of claim 1-7 to carry butter to blast-furnace tuyere, and utilize smearing mechanism coating butter on the refractory mortar of blast-furnace tuyere.
9. blast furnace staying air port sealing method according to claim 8, is characterized in that, blast furnace staying, after 4～6 hours, starts coating butter.
10. blast furnace staying air port sealing method according to claim 8, is characterized in that, by the peep hole of blast-furnace tuyere, butter is carried, is smeared on the refractory mortar of blast-furnace tuyere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308741.6A CN104060012A (en) | 2014-06-30 | 2014-06-30 | Device and method for sealing blast-furnace damping-down tuyere |
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| CN201410308741.6A CN104060012A (en) | 2014-06-30 | 2014-06-30 | Device and method for sealing blast-furnace damping-down tuyere |
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| CN104060012A true CN104060012A (en) | 2014-09-24 |
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| CN201410308741.6A Pending CN104060012A (en) | 2014-06-30 | 2014-06-30 | Device and method for sealing blast-furnace damping-down tuyere |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593535A (en) * | 2015-01-29 | 2015-05-06 | 江苏永钢集团有限公司 | Blast furnace banking structure |
| CN113201615A (en) * | 2021-05-17 | 2021-08-03 | 济南华北升降平台制造有限公司 | Manipulator and equipment for blocking small sleeve tuyere of blast furnace |
Citations (3)
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| CN201296761Y (en) * | 2008-10-24 | 2009-08-26 | 青岛钢铁控股集团有限责任公司 | Equipment for conveying fireclay for blocking up blast furnace tuyere |
| CN202107712U (en) * | 2011-05-27 | 2012-01-11 | 宝山钢铁股份有限公司 | Mud blocking device for blast-furnace tuyere |
| CN203960245U (en) * | 2014-06-30 | 2014-11-26 | 莱芜钢铁集团有限公司 | Blast furnace staying air port sealing equipment |
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2014
- 2014-06-30 CN CN201410308741.6A patent/CN104060012A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201296761Y (en) * | 2008-10-24 | 2009-08-26 | 青岛钢铁控股集团有限责任公司 | Equipment for conveying fireclay for blocking up blast furnace tuyere |
| CN202107712U (en) * | 2011-05-27 | 2012-01-11 | 宝山钢铁股份有限公司 | Mud blocking device for blast-furnace tuyere |
| CN203960245U (en) * | 2014-06-30 | 2014-11-26 | 莱芜钢铁集团有限公司 | Blast furnace staying air port sealing equipment |
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| 王明海: "《冶金生产概论》", 31 August 2008, 冶金工业出版社 * |
| 程贵 等: ""宣钢7#高炉长期休风快速恢复实践"", 《河北冶金学会2007炼铁技术暨学术年会论文集》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593535A (en) * | 2015-01-29 | 2015-05-06 | 江苏永钢集团有限公司 | Blast furnace banking structure |
| CN113201615A (en) * | 2021-05-17 | 2021-08-03 | 济南华北升降平台制造有限公司 | Manipulator and equipment for blocking small sleeve tuyere of blast furnace |
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Application publication date: 20140924 |
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