CN203582282U - Automatic tripping device - Google Patents
Automatic tripping device Download PDFInfo
- Publication number
- CN203582282U CN203582282U CN201320682544.1U CN201320682544U CN203582282U CN 203582282 U CN203582282 U CN 203582282U CN 201320682544 U CN201320682544 U CN 201320682544U CN 203582282 U CN203582282 U CN 203582282U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- water cooling
- furnace shell
- steel
- tripping device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 9
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 9
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 9
- 235000009120 camo Nutrition 0.000 claims abstract description 9
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 9
- 239000011487 hemp Substances 0.000 claims abstract description 9
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000381142 Pachydermia Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model provides an automatic tripping device for rapidly dismounting a shell of a blast furnace. The automatic tripping device comprises guide pulleys arranged on each layer of frame platform of a frame column of a furnace body, and a windlass arranged on a furnace roof platform; the automatic tripping device also comprises a steel pipe; a lifting lug is welded in the middle of the steel pipe; the steel pipe is arranged below a water cooling pipe on a cooling wall of the furnace body; the water cooling pipe plays a supporting effect; the upper part of the steel pipe is connected with a cable wire by virtue of the lifting lug; the cable wire is connected with the windlass; the steel pipe is tensioned and attached to the lower part of the water cooling pipe; the lower part of the steel pipe is also connected with a hemp rope used for manual position regulation. The automatic tripping device disclosed by the utility model is simple in structure, safe, reliable, simple and convenient to operate; the construction period is saved, and the construction cost is lowered.
Description
Technical field
The utility model relates to blast furnace transformation Demolishing Technology field in metallurgy industry, relates in particular to a kind of fast dismantling except last furnace shell automatic decoupling device.
Background technology
Blast furnace overhaul transformation is the periodicity engineering (be approximately 8 years the domestic life of the blast furnace) of iron and steel enterprise, and the quality of blast furnace overhaul directly affects the smelting life-span of generation blast furnace and the economic benefit of enterprise, and therefore enterprise is strict to duration examination, duration anxiety.Overhauling reform engineering is much the structure that retains shaft and furnace roof, only the positions such as furnace shell is changed, and due to the restriction of these conditions, particularly place and space condition restriction, the medium-and-large-sized machinery of constructing cannot use.
The construction method that furnace shell is removed is at present on the main platform of furnace roof, annular single-beam to be set to join electric block, utilize electric block to lift the furnace shell of dismounting, the method drawback is as follows: 1, round and round track is fixed, furnace shell diameter changes, have unavoidably the part of dismounting will carry out that oblique pull is askew hangs, easy like this cause hoist ceiling crane derailing increase remove dangerous; 2, the hoisting capacity of electric block is limited, and removing piecemeal quantity increases, and waste of manpower, material resources have strengthened construction cost; 3,, because electric block is arranged on furnace roof, hoist, the falling time is longer, also will, by row people decoupling device, cause time waste below, larger to construction delay at every turn.
Summary of the invention
Technical problem to be solved in the utility model is the technical deficiency to above-mentioned existence just, provide a kind of simple in structure, safe and reliable, easy and simple to handle, save the duration, reduce the automatic decoupling device of the quick Demolition Construction of last furnace shell in the blast furnace overhaul engineering of construction cost.
The utility model solves the technical scheme that its technical matters adopts:
Automatic decoupling device, it is characterized in that: include the leading sheave on the each layer of framework platform that is arranged on furnace shell frame post, and be arranged on the winch on throat platform, in the middle of also including, be welded with the steel pipe of hanger, steel pipe is arranged at below the water cooling tube of body of heater cooling wall, utilize water cooling tube to support, steel pipe top is connected with steel rope by hanger, steel rope is connected with winch, steel pipe tension is adjacent to below water cooling tube, and described steel pipe below is also connected with for the rope made of hemp of adjusting position manually.
In such scheme, described steel pipe two ends are provided with the steel closure plate for strengthening intensity, and the length of steel pipe is greater than the width in water cooling tube gap.
In such scheme, described hanger is respectively provided with snap ring up and down, and steel rope and the rope made of hemp are all connected on hanger by snap ring.
The principle of the utility model device is, utilize the water cooling tube of cooling wall to support, automatic decoupling device is placed on below water cooling tube and connects steel rope, under the effect of winch pulling force, the furnace shell of cut-out is toppled in burner hearth, by time fast rotation winch cylinder, there is the loosening distance that produces with cooling wall trip mechanism and water cooling tube when toppling in burner hearth in furnace shell now, furnace shell continues to fall downwards and causes the loosening of steel rope, thereby it is automatic separation with furnace shell to realize trip mechanism, realizes once and removing.。
Main beneficial effect of the present utility model is:
1, save the duration, furnace shell is toppled in burner hearth only tens seconds, and can be automatically-unhooked, if remove with electric block, electric block operation will be once 20 minutes, below also very important person's decoupling device
2, reduce costs (artificial, auxiliary material cost), use this device to remove whole construction cost low, labor operation intensity is low.Under similar circumstances, if adopt electric block to remove, because the limited cutting whole into sections quantity of hoisting capacity of electric block increases, remove artificial, auxiliary material and all double.
3, save the input of scheme materials, use this device not need scheme materials to drop into, make simply, if remove with electric block, need to make monorail, buying electric block etc., have strengthened construction cost.
4, safe and reliable, do not affect upper and lower operation, fast and easy dismounting, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment integral structure figure
Fig. 2 is the utility model embodiment steel-tube construction figure
Fig. 3 is the utility model embodiment shackle structure figure
Fig. 4 is the utility model embodiment penstock installation position front view
Fig. 5 is the utility model embodiment penstock installation position right elevation
In figure: 1. furnace shell; 2. throat platform; 3. furnace shell frame post; 4. the rope made of hemp; 5. automatic decoupling device; 6. leading sheave; 7. cooling wall; 8. steel rope; 9. furnace shell cut-off wheel profile; 10. solid drawn pipe; 11. steel closure plates; 12. hangers; 13. snap rings: 14. temporary supportings
The specific embodiment
Below in conjunction with the specific embodiment, to the utility model, embodiment is further described:
During making, select joint pachydermia solid drawn pipe 10 its diameters to be not less than preparing water cooling pipe for cooling wall, length is cooling wall two water cooling tube horizontal throw+300mm; Pachydermia steel pipe is the stifled 11 interior shutoff of δ=10mm steel plate for two ends, and with 20mm steel plate, make hanger 12 in center, bore two 30mm holes snap ring 13 is installed on hanger 12.Hanger 12 is welded in the middle of solid drawn pipe 10.
Concrete implementation step
1, after blast furnace stops production, drain residual iron, the cooling of fetching water, removes part furnace shell 1 in the bottom (place identical with cast house absolute altitude) of furnace shell 1, forms side's door of an about 3mx3m, and rear furnace shell discharge orifice is torn in this conduct open, at cast house, arranges a 10t winch.
2, on the main platform of furnace roof, arrange a main winch, four jiaos, winch and main steel platform structure firm welding, prepare suitable steel rope 8, on the opposite furnace shell frame post 3 of removing furnace shell, leading sheave 6 is installed.
3, tearing front accessory structure on furnace shell and the water cooling tube of cooling wall 7 first removed of furnace shell 1 open, reserve part water cooling tube (the part straight section that stretches out furnace shell 1 retains) is as the strong point of automatic decoupling device 5.
4, according to drawing, calculate each section of furnace shell and cooling wall, resistance to material weight, carry out the piecemeal of this section of furnace shell, to remove the temporary supporting 14(that burn-ons between the furnace shell 1 of this section and furnace shell frame can be with angle steel or steel pipe), on the furnace shell surface of piecemeal, (will at each cooling wall gap location) be drawn furnace shell cut-off wheel profile 9, according to line, cut off furnace shell with oxygen cutting gun, first removes first cooling wall (for removing this section of furnace shell headspace) on each section of furnace shell with jack.Next section is removed the same.
5, in the hole up and down of trip mechanism hanger 12, load onto respectively two snap rings 13, upper snap ring connects steel wire rope of windlass 8, lower snap ring is fastened Φ 14mm rope made of hemp 4(and is used as regaining trip mechanism), automatic decoupling device 5 is stuck in to the bottom of the cooling wall of furnace shell water cooling tube that must remove, start winch pipe and suitably tighten up steel rope 8, with burning torch excision temporary supporting 14, check that this piece is removed furnace shell 1 really own after all cutting off, start winch, furnace shell 1 is toppled under steel wire rope of windlass 8 pulling force effects in burner hearth, toppling over moment, refund fast winch cylinder, steel wire rope of windlass 8 connects trip mechanism and topples over furnace shell and occurs becoming flexible, furnace shell 1 by installation site in toppling process in burner hearth, loosening and the furnace shell 1 of steel rope 8 produce distance, trip mechanism can be automatic separation with furnace shell, complete a furnace shell demolishing process.Retract automatic decoupling device 5 with the rope made of hemp 4, be contained on the furnace shell 1 that next piece will remove, must adjust the correspondence position of steel rope 8 leading sheaves 6 simultaneously, then carry out the dismounting of next piece furnace shell.
6, when furnace shell, at burner hearth bottom, pile up after some, stop the cutting of furnace shell, utilize piece pull-out of the square goalkeeper furnace shell of cast house winch by 3mx3m, walk with cast house traveling crane.
Protection domain of the present utility model is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not depart from scope and spirit of the present utility model the utility model.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, intention of the present utility model also comprises these changes and is out of shape interior.
Claims (3)
1. automatic decoupling device, it is characterized in that: include the leading sheave on the each layer of framework platform that is arranged on furnace shell frame post, and be arranged on the winch on throat platform, in the middle of also including, be welded with the steel pipe of hanger, steel pipe is arranged at below the water cooling tube of body of heater cooling wall, utilize water cooling tube to support, steel pipe top is connected with steel rope by hanger, steel rope is connected with winch, steel pipe tension is adjacent to below water cooling tube, and described steel pipe below is also connected with for the rope made of hemp of adjusting position manually.
2. automatic decoupling device as claimed in claim 1, is characterized in that: described steel pipe two ends are provided with the steel closure plate for strengthening intensity, and the length of steel pipe is greater than the width in water cooling tube gap.
3. automatic decoupling device as claimed in claim 2, is characterized in that: described hanger is respectively provided with snap ring up and down, and steel rope and the rope made of hemp are all connected on hanger by snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320682544.1U CN203582282U (en) | 2013-10-31 | 2013-10-31 | Automatic tripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320682544.1U CN203582282U (en) | 2013-10-31 | 2013-10-31 | Automatic tripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203582282U true CN203582282U (en) | 2014-05-07 |
Family
ID=50580233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320682544.1U Expired - Lifetime CN203582282U (en) | 2013-10-31 | 2013-10-31 | Automatic tripping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203582282U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420432A (en) * | 2015-12-04 | 2016-03-23 | 山东钢铁股份有限公司 | Replacing method for cooling wall of blast furnace |
| CN106755677A (en) * | 2016-11-29 | 2017-05-31 | 中国冶集团有限公司 | The method for safely and fast removing furnace shell |
| CN113832275A (en) * | 2021-09-09 | 2021-12-24 | 武汉钢铁有限公司 | Method for replacing whole circle of blast furnace copper cooling wall without entering people |
| CN116083668A (en) * | 2023-02-14 | 2023-05-09 | 中国十九冶集团有限公司 | Dismantling Method of Blast Furnace Shell and Cooling Wall |
-
2013
- 2013-10-31 CN CN201320682544.1U patent/CN203582282U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420432A (en) * | 2015-12-04 | 2016-03-23 | 山东钢铁股份有限公司 | Replacing method for cooling wall of blast furnace |
| CN105420432B (en) * | 2015-12-04 | 2017-08-25 | 山东钢铁股份有限公司 | A kind of replacing options of blast furnace cooling stave |
| CN106755677A (en) * | 2016-11-29 | 2017-05-31 | 中国冶集团有限公司 | The method for safely and fast removing furnace shell |
| CN113832275A (en) * | 2021-09-09 | 2021-12-24 | 武汉钢铁有限公司 | Method for replacing whole circle of blast furnace copper cooling wall without entering people |
| CN113832275B (en) * | 2021-09-09 | 2023-01-24 | 武汉钢铁有限公司 | Method for replacing whole circle of blast furnace copper cooling wall without entering people |
| CN116083668A (en) * | 2023-02-14 | 2023-05-09 | 中国十九冶集团有限公司 | Dismantling Method of Blast Furnace Shell and Cooling Wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107055347B (en) | A kind of Tower crane disassembly structures and methods of high-rise installation | |
| CN104099875B (en) | A kind of hitch structure of arch rib vertical rotator construction and drag construction method | |
| CN101619630B (en) | Installation method of steel chimney and jacking device implemented therefor | |
| CN103086279B (en) | Vertical transportation construction method for building construction | |
| CN203654702U (en) | Operating platform for construction of reinforced concrete chimney | |
| CN203582282U (en) | Automatic tripping device | |
| CN202358849U (en) | Small-size suspension crane | |
| CN102212630A (en) | Construction method for replacing cooling wall of blast furnace by utilizing movable hanging scaffold | |
| CN105621280B (en) | The apparatus and method for mounting and dismounting crane arm | |
| CN211286601U (en) | Chimney construction device applying hydraulic lifting and rollover technology | |
| CN108892060A (en) | A kind of crane upper mechanism is from dismantling device, crane and tears method open certainly | |
| CN102618677B (en) | Method for cleaning materials in large-scale blast furnace in overhaul | |
| CN100509607C (en) | The Method of Quickly Changing the Large-scale Driving Wire Rope | |
| CN103867022B (en) | One is carried and is touched formula concrete chimney construction method | |
| CN107142954B (en) | A steel hanging box hoisting system for overall hoisting and hoisting method thereof | |
| CN209620657U (en) | A self-elevating platform for horizontal protection of super high-rise openings | |
| CN205716004U (en) | A kind of high pressure vertical shaft penstock erecting device | |
| CN105110205B (en) | A kind of reverse method for dismounting of derrick crane | |
| CN201801321U (en) | Lifting appliance for lining board of coke bucket car | |
| CN103982046A (en) | Lifting and installation method of buckling restrained braces | |
| CN209243086U (en) | The device of the quick handling cleaning cupola well of overhaul 2500m3 blast furnace | |
| CN115432570A (en) | Steel reinforcement cage hoisting method for existing pipeline of diaphragm wall | |
| CN113846641A (en) | Telescopic and integrated pile-forming operation platform | |
| CN101344011B (en) | Simple automatic slag discharging device of deep large silo | |
| CN202208696U (en) | Construction platform used for dry quenching furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |